diff --git a/.gitignore b/.gitignore new file mode 100755 index 0000000..d163863 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +build/ \ No newline at end of file diff --git a/build.bat b/build.bat new file mode 100755 index 0000000..687556d --- /dev/null +++ b/build.bat @@ -0,0 +1,6 @@ +@echo off + +mkdir build +cd build +cl.exe -Fe:visualize.exe ../src/visualize/vis_main.cpp -WX -W3 -wd4200 -diagnostics:column -nologo -FC -Z7 -GF -Gm- -Oi -Zo -D_CRT_SECURE_NO_WARNINGS -Od -D_DEBUG -MTd -EHa- -GR- -link -incremental:no -opt:ref -NODEFAULTLIB:LIBCMT +cd .. \ No newline at end of file diff --git a/src/core/arena.h b/src/core/arena.h new file mode 100755 index 0000000..fdcd361 --- /dev/null +++ b/src/core/arena.h @@ -0,0 +1,607 @@ +#ifndef MA_HEADER +#define MA_HEADER +#include +#include +#include + +#define MA_KIB(x) ((x##ull) * 1024ull) +#define MA_MIB(x) (MA_KIB(x) * 1024ull) +#define MA_GIB(x) (MA_MIB(x) * 1024ull) +#define MA_TIB(x) (MA_GIB(x) * 1024ull) + +#ifndef MA_DEFAULT_RESERVE_SIZE + #define MA_DEFAULT_RESERVE_SIZE MA_GIB(1) +#endif + +#ifndef MA_DEFAULT_ALIGNMENT + #define MA_DEFAULT_ALIGNMENT 8 +#endif + +#ifndef MA_COMMIT_ADD_SIZE + #define MA_COMMIT_ADD_SIZE MA_MIB(4) +#endif + +#ifndef MA_INHERIT_HOOK + #define MA_INHERIT_HOOK +#endif + +#ifndef MA_C_INHERIT_HOOK + #define MA_C_INHERIT_HOOK M_Allocator allocator; +#endif + +#ifndef MA_ZERO_IS_INITIALIZATION +#define MA_ZERO_IS_INITIALIZATION 1 +#endif + +#ifndef MA_INIT_HOOK + #define MA_INIT_HOOK(arena) \ + arena->allocator.obj = (void *)arena; \ + arena->allocator.p = (M_AllocatorProc *)MA_AllocatorProc; +#endif + +#ifndef MA_API + #ifdef __cplusplus + #define MA_API extern "C" + #else + #define MA_API + #endif +#endif + +#ifndef MA_THREAD_LOCAL + #if defined(__cplusplus) && __cplusplus >= 201103L + #define MA_THREAD_LOCAL thread_local + #elif defined(__GNUC__) + #define MA_THREAD_LOCAL __thread + #elif defined(_MSC_VER) + #define MA_THREAD_LOCAL __declspec(thread) + #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__) + #define MA_THREAD_LOCAL _Thread_local + #elif defined(__TINYC__) + #define MA_THREAD_LOCAL _Thread_local + #else + #error Couldnt figure out thread local, needs to be provided manually + #endif +#endif + +typedef enum M_AllocatorOp { + M_AllocatorOp_Invalid, + M_AllocatorOp_Allocate, + M_AllocatorOp_Deallocate, +} M_AllocatorOp; + +typedef struct MV_Memory MV_Memory; +typedef struct MA_Checkpoint MA_Checkpoint; +typedef struct MA_Arena MA_Arena; +typedef struct M_Allocator M_Allocator; +typedef void *M_AllocatorProc(void *allocator, M_AllocatorOp kind, void *p, size_t size); + +struct M_Allocator { + void *obj; + void *(*p)(void *allocator, M_AllocatorOp kind, void *p, size_t size); +}; + +struct MV_Memory { + size_t commit; + size_t reserve; + uint8_t *data; +}; + +struct MA_Arena MA_INHERIT_HOOK { + MA_C_INHERIT_HOOK + MV_Memory memory; + int alignment; + int saved_alignment; + size_t len; + + size_t packed_array_element_size; + size_t packed_array_begin; +}; + +struct MA_Checkpoint { + MA_Arena *arena; + size_t pos; +}; + +#define MA_PushArrayNonZeroed(a, T, c) (T *)MA_PushSizeNonZeroed(a, sizeof(T) * (c)) +#define MA_PushStructNonZeroed(a, T) (T *)MA_PushSizeNonZeroed(a, sizeof(T)) +#define MA_PushStruct(a, T) (T *)MA_PushSize(a, sizeof(T)) +#define MA_PushArray(a, T, c) (T *)MA_PushSize(a, sizeof(T) * (c)) +#define MA_PushStructCopy(a, T, p) (T *)MA_PushCopy(a, (p), sizeof(T)) +#define MA_BeginPackedArray(arena, T) (T *)MA__BeginPackedArray(arena, sizeof(T)) +#define MA_CheckpointScope(name, InArena) for (MA_Checkpoint name = MA_Save(InArena); name.arena; (MA_Load(name), name.arena = 0)) + +#define M_AllocStruct(a, T) (T *)M_Alloc((a), sizeof(T)) +#define M_AllocArray(a, T, c) (T *)M_Alloc((a), sizeof(T) * (c)) +#define M_AllocStructCopy(a, T, p) (T *)M_PushCopy(a, (p), sizeof(T)) + +#define MA_IS_POW2(x) (((x) & ((x)-1)) == 0) +#define MA_MIN(x, y) ((x) <= (y) ? (x) : (y)) +#define MA_MAX(x, y) ((x) >= (y) ? (x) : (y)) + +#define MA_CLAMP_TOP(x, max) ((x) >= (max) ? (max) : (x)) +#define MA_CLAMP_BOT(x, min) ((x) <= (min) ? (min) : (x)) +#define MA_CLAMP(x, min, max) ((x) >= (max) ? (max) : (x) <= (min) ? (min) \ + : (x)) +// clang-format off +MA_API void MA_MemoryZero(void *p, size_t size); +MA_API void MA_MemoryCopy(void *dst, void *src, size_t size); +MA_API size_t MA_GetAlignOffset(size_t size, size_t align); +MA_API size_t MA_AlignUp(size_t size, size_t align); +MA_API size_t MA_AlignDown(size_t size, size_t align); +MA_API void MA_DeallocateStub(MA_Arena *arena, void *p); +MA_API void MA_PopToPos(MA_Arena *arena, size_t pos); +MA_API void * MA_PopSize(MA_Arena *arena, size_t size); +MA_API void MA_DeallocateArena(MA_Arena *arena); +MA_API void MA_Reset(MA_Arena *arena); +MA_API void * MA__BeginPackedArray(MA_Arena *arena, size_t element_size); +MA_API int MA_EndPackedArray(MA_Arena *arena); +MA_API void MA_SetAlignment(MA_Arena *arena, int alignment); +MA_API uint8_t * MA_GetTop(MA_Arena *a); +MA_API void * MA_PushSizeNonZeroed(MA_Arena *a, size_t size); +MA_API void * MA_PushSize(MA_Arena *arena, size_t size); +MA_API void MA_InitEx(MA_Arena *a, size_t reserve); +MA_API void MA_Init(MA_Arena *a); +MA_API void MA_MakeSureInitialized(MA_Arena *a); +MA_API MA_Arena * MA_Bootstrap(void); +MA_API void MA_InitFromBuffer(MA_Arena *arena, void *buffer, size_t size); +MA_API MA_Arena MA_MakeFromBuffer(void *buffer, size_t size); +MA_API char * MA_PushStringCopy(MA_Arena *arena, char *p, size_t size); +MA_API void * MA_PushCopy(MA_Arena *arena, void *p, size_t size); +MA_API bool MA_IsPointerInside(MA_Arena *arena, void *p); +MA_API MA_Arena MA_PushArena(MA_Arena *arena, size_t size); +MA_API MA_Checkpoint MA_Save(MA_Arena *arena); +MA_API void MA_Load(MA_Checkpoint checkpoint); +MA_API MA_Checkpoint MA_GetScratchEx(MA_Arena **conflicts, int conflict_count); +MA_API MA_Checkpoint MA_GetScratch(void); +MA_API MA_Checkpoint MA_GetScratch1(MA_Arena *conflict); +MA_API void * MA_AllocatorProc(M_Allocator allocator, M_AllocatorOp kind, void *p, size_t size); + +MA_API MV_Memory MV_Reserve(size_t size); +MA_API bool MV_Commit(MV_Memory *m, size_t commit); +MA_API void MV_Deallocate(MV_Memory *m); +MA_API bool MV_DecommitPos(MV_Memory *m, size_t pos); + +MA_API void * M_AllocNonZeroed(M_Allocator allocator, size_t size); +MA_API void * M_Alloc(M_Allocator allocator, size_t size); +MA_API void * M_AllocCopy(M_Allocator allocator, void *p, size_t size); +MA_API void M_Dealloc(M_Allocator allocator, void *p); +MA_API M_Allocator M_GetSystemAllocator(void); +// clang-format on + +#ifdef MA_ENABLE_SCRATCH +extern MA_THREAD_LOCAL MA_Arena MA_ScratchArenaPool[]; + #define MA_ScratchScope(x) for (MA_Checkpoint x = MA_GetScratch(); x.arena; (MA_ReleaseScratch(x), x.arena = 0)) + #define MA_ReleaseScratch MA_Load + + #if defined(__cplusplus) +struct MA_Scratch { + MA_Checkpoint checkpoint; + MA_Scratch() { this->checkpoint = MA_GetScratch(); } + ~MA_Scratch() { MA_Load(checkpoint); } + operator MA_Arena *() { return checkpoint.arena; } + + private: // @Note: Disable copy constructors, cause its error prone + MA_Scratch(MA_Scratch &arena); + MA_Scratch(MA_Scratch &arena, MA_Scratch &a2); +}; + #endif // __cplusplus +#endif // MA_ENABLE_SCRATCH +#endif // MA_HEADER + +#ifdef MA_IMPLEMENTATION + +#ifndef MA_ASSERT + #include + #define MA_ASSERT(x) assert(x) +#endif + +#ifndef MA_MemoryZero + #include +MA_API void MA_MemoryZero(void *p, size_t size) { + memset(p, 0, size); +} +#endif + +#ifndef MA_MemoryCopy + #include +MA_API void MA_MemoryCopy(void *dst, void *src, size_t size) { + memcpy(dst, src, size); +} +#endif + +#ifndef MA_CMalloc + #include + #define MA_CMalloc(x) malloc(x) + #define MA_CFree(x) free(x) +#endif + +#ifndef MA_FN + #if defined(__GNUC__) || defined(__clang__) + #define MA_FN __attribute__((unused)) static + #else + #define MA_FN static + #endif +#endif + +#define MA_Lengthof(x) (sizeof(x) / sizeof((x)[0])) + +MA_API size_t MA_GetAlignOffset(size_t size, size_t align) { + size_t mask = align - 1; + size_t val = size & mask; + if (val) { + val = align - val; + } + return val; +} + +MA_API size_t MA_AlignUp(size_t size, size_t align) { + size_t result = size + MA_GetAlignOffset(size, align); + return result; +} + +MA_API size_t MA_AlignDown(size_t size, size_t align) { + size += 1; // Make sure when align is 8 doesn't get rounded down to 0 + size_t result = size - (align - MA_GetAlignOffset(size, align)); + return result; +} + +MA_FN uint8_t *MV__AdvanceCommit(MV_Memory *m, size_t *commit_size, size_t page_size) { + size_t aligned_up_commit = MA_AlignUp(*commit_size, page_size); + size_t to_be_total_commited_size = aligned_up_commit + m->commit; + size_t to_be_total_commited_size_clamped_to_reserve = MA_CLAMP_TOP(to_be_total_commited_size, m->reserve); + size_t adjusted_to_boundary_commit = to_be_total_commited_size_clamped_to_reserve - m->commit; + MA_ASSERT(adjusted_to_boundary_commit && "Reached the virtual memory reserved boundary"); + *commit_size = adjusted_to_boundary_commit; + + if (adjusted_to_boundary_commit == 0) { + return 0; + } + uint8_t *result = m->data + m->commit; + return result; +} + +MA_API void MA_DeallocateStub(MA_Arena *arena, void *p) {} + +MA_API void MA_PopToPos(MA_Arena *arena, size_t pos) { + pos = MA_CLAMP_TOP(pos, arena->len); + arena->len = pos; +} + +MA_API void *MA_PopSize(MA_Arena *arena, size_t size) { + size = MA_CLAMP_TOP(size, arena->len); + arena->len -= size; + return arena->memory.data + arena->len; +} + +MA_API void MA_DeallocateArena(MA_Arena *arena) { + MV_Deallocate(&arena->memory); +} + +MA_API void MA_Reset(MA_Arena *arena) { + MA_PopToPos(arena, 0); +} + +MA_FN size_t MA__AlignLen(MA_Arena *a) { + size_t align_offset = a->alignment ? MA_GetAlignOffset((uintptr_t)a->memory.data + (uintptr_t)a->len, a->alignment) : 0; + size_t aligned = a->len + align_offset; + return aligned; +} + +MA_API void *MA__BeginPackedArray(MA_Arena *arena, size_t element_size) { + MA_ASSERT(arena->memory.data); + arena->len = MA__AlignLen(arena); + arena->saved_alignment = arena->alignment; + arena->alignment = 0; + arena->packed_array_begin = arena->len; + arena->packed_array_element_size = element_size; + void *result = arena->memory.data + arena->len; + return result; +} + +MA_API int MA_EndPackedArray(MA_Arena *arena) { + arena->alignment = arena->saved_alignment; + size_t different = (arena->len - arena->packed_array_begin); + int result = (int)((arena->len - arena->packed_array_begin) / arena->packed_array_element_size); + return result; +} + +MA_API void MA_SetAlignment(MA_Arena *arena, int alignment) { + arena->alignment = alignment; +} + +MA_API uint8_t *MA_GetTop(MA_Arena *a) { + MA_ASSERT(a->memory.data); + return a->memory.data + a->len; +} + +MA_API void *MA_PushSizeNonZeroed(MA_Arena *a, size_t size) { + size_t align_offset = a->alignment ? MA_GetAlignOffset((uintptr_t)a->memory.data + (uintptr_t)a->len, a->alignment) : 0; + size_t aligned_len = a->len + align_offset; + size_t size_with_alignment = size + align_offset; + + if (a->len + size_with_alignment > a->memory.commit) { + if (a->memory.reserve == 0) { +#if MA_ZERO_IS_INITIALIZATION + MA_Init(a); +#else + MA_ASSERT("Pushing on uninitialized arena"); +#endif + } + bool result = MV_Commit(&a->memory, size_with_alignment + MA_COMMIT_ADD_SIZE); + MA_ASSERT(result && "Failed to commit memory"); + (void)result; + } + + uint8_t *result = a->memory.data + aligned_len; + a->len += size_with_alignment; + MA_ASSERT(a->len <= a->memory.commit); + return (void *)result; +} + +MA_API void *MA_PushSize(MA_Arena *arena, size_t size) { + void *result = MA_PushSizeNonZeroed(arena, size); + MA_MemoryZero(result, size); + return result; +} + +MA_API void MA_InitEx(MA_Arena *a, size_t reserve) { + a->memory = MV_Reserve(reserve); + a->alignment = MA_DEFAULT_ALIGNMENT; + MA_INIT_HOOK(a); +} + +MA_API void MA_Init(MA_Arena *a) { + MA_InitEx(a, MA_DEFAULT_RESERVE_SIZE); +} + +MA_API void MA_MakeSureInitialized(MA_Arena *a) { + if (a->memory.data == 0) { + MA_Init(a); + } +} + +MA_API MA_Arena *MA_Bootstrap(void) { + MA_Arena bootstrap_arena = {0}; + MA_Arena *arena = MA_PushStruct(&bootstrap_arena, MA_Arena); + *arena = bootstrap_arena; + arena->allocator.obj = arena; + return arena; +} + +MA_API void MA_InitFromBuffer(MA_Arena *arena, void *buffer, size_t size) { + arena->memory.data = (uint8_t *)buffer; + arena->memory.commit = size; + arena->memory.reserve = size; + arena->alignment = MA_DEFAULT_ALIGNMENT; + MA_INIT_HOOK(arena); +} + +MA_API MA_Arena MA_MakeFromBuffer(void *buffer, size_t size) { + MA_Arena arena; + MA_MemoryZero(&arena, sizeof(arena)); + MA_InitFromBuffer(&arena, buffer, size); + return arena; +} + +MA_API char *MA_PushStringCopy(MA_Arena *arena, char *p, size_t size) { + char *copy_buffer = (char *)MA_PushSizeNonZeroed(arena, size + 1); + MA_MemoryCopy(copy_buffer, p, size); + copy_buffer[size] = 0; + return copy_buffer; +} + +MA_API void *MA_PushCopy(MA_Arena *arena, void *p, size_t size) { + void *copy_buffer = MA_PushSizeNonZeroed(arena, size); + MA_MemoryCopy(copy_buffer, p, size); + return copy_buffer; +} + +MA_API bool MA_IsPointerInside(MA_Arena *arena, void *p) { + uintptr_t pointer = (uintptr_t)p; + uintptr_t start = (uintptr_t)arena->memory.data; + uintptr_t stop = start + (uintptr_t)arena->len; + bool result = pointer >= start && pointer < stop; + return result; +} + +MA_API MA_Arena MA_PushArena(MA_Arena *arena, size_t size) { + MA_Arena result; + MA_MemoryZero(&result, sizeof(result)); + result.memory.data = MA_PushArrayNonZeroed(arena, uint8_t, size); + result.memory.commit = size; + result.memory.reserve = size; + result.alignment = arena->alignment; + return result; +} + +MA_API MA_Checkpoint MA_Save(MA_Arena *arena) { + MA_Checkpoint result; + result.pos = arena->len; + result.arena = arena; + return result; +} + +MA_API void MA_Load(MA_Checkpoint checkpoint) { + MA_PopToPos(checkpoint.arena, checkpoint.pos); +} + +MA_API void *M_AllocNonZeroed(M_Allocator allocator, size_t size) { + void *p = allocator.p(allocator.obj, M_AllocatorOp_Allocate, NULL, size); + return p; +} + +MA_API void *M_Alloc(M_Allocator allocator, size_t size) { + void *p = allocator.p(allocator.obj, M_AllocatorOp_Allocate, NULL, size); + MA_MemoryZero(p, size); + return p; +} + +MA_API void *M_AllocCopy(M_Allocator allocator, void *p, size_t size) { + void *copy_buffer = M_AllocNonZeroed(allocator, size); + MA_MemoryCopy(copy_buffer, p, size); + return copy_buffer; +} + +MA_API void M_Dealloc(M_Allocator allocator, void *p) { + allocator.p(allocator.obj, M_AllocatorOp_Deallocate, p, 0); +} + +MA_FN void *M_ClibAllocatorProc(void *allocator, M_AllocatorOp kind, void *p, size_t size) { + if (kind == M_AllocatorOp_Allocate) { + return MA_CMalloc(size); + } + + if (kind == M_AllocatorOp_Deallocate) { + MA_CFree(p); + return NULL; + } + + MA_ASSERT("MA_Arena invalid codepath"); + return NULL; +} + +MA_API void *MA_AllocatorProc(M_Allocator allocator, M_AllocatorOp kind, void *p, size_t size) { + if (kind == M_AllocatorOp_Allocate) { + return MA_PushSizeNonZeroed((MA_Arena *)allocator.obj, size); + } + + if (kind == M_AllocatorOp_Deallocate) { + return NULL; + } + + MA_ASSERT("MA_Arena invalid codepath"); + return NULL; +} + +MA_API M_Allocator M_GetSystemAllocator(void) { + M_Allocator a = {0}; + a.p = M_ClibAllocatorProc; + return a; +} + +#ifdef MA_ENABLE_SCRATCH +MA_THREAD_LOCAL MA_Arena MA_ScratchArenaPool[4]; + +MA_API MA_Checkpoint MA_GetScratchEx(MA_Arena **conflicts, int conflict_count) { + MA_Arena *unoccupied = 0; + for (int i = 0; i < MA_Lengthof(MA_ScratchArenaPool); i += 1) { + MA_Arena *from_pool = MA_ScratchArenaPool + i; + unoccupied = from_pool; + for (int conflict_i = 0; conflict_i < conflict_count; conflict_i += 1) { + MA_Arena *from_conflict = conflicts[conflict_i]; + if (from_pool == from_conflict) { + unoccupied = 0; + break; + } + } + + if (unoccupied) { + break; + } + } + + MA_ASSERT(unoccupied); + MA_Checkpoint result = MA_Save(unoccupied); + return result; +} + +MA_API MA_Checkpoint MA_GetScratch(void) { + MA_Checkpoint result = MA_Save(MA_ScratchArenaPool + 0); + return result; +} + +MA_API MA_Checkpoint MA_GetScratch1(MA_Arena *conflict) { + MA_Arena *conflicts[] = {conflict}; + return MA_GetScratchEx(conflicts, 1); +} +#endif // MA_ENABLE_SCRATCH + +#ifdef _WIN32 + #ifndef NOMINMAX + #define NOMINMAX + #endif + #ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN + #endif + #include + +const size_t MV__WIN32_PAGE_SIZE = 4096; + +MA_API MV_Memory MV_Reserve(size_t size) { + MV_Memory result; + MA_MemoryZero(&result, sizeof(result)); + size_t adjusted_size = MA_AlignUp(size, MV__WIN32_PAGE_SIZE); + result.data = (uint8_t *)VirtualAlloc(0, adjusted_size, MEM_RESERVE, PAGE_READWRITE); + MA_ASSERT(result.data && "Failed to reserve virtual memory"); + result.reserve = adjusted_size; + return result; +} + +MA_API bool MV_Commit(MV_Memory *m, size_t commit) { + uint8_t *pointer = MV__AdvanceCommit(m, &commit, MV__WIN32_PAGE_SIZE); + if (pointer) { + void *result = VirtualAlloc(pointer, commit, MEM_COMMIT, PAGE_READWRITE); + MA_ASSERT(result && "Failed to commit more memory"); + if (result) { + m->commit += commit; + return true; + } + } + return false; +} + +MA_API void MV_Deallocate(MV_Memory *m) { + BOOL result = VirtualFree(m->data, 0, MEM_RELEASE); + MA_ASSERT(result != 0 && "Failed to release MV_Memory"); +} + +MA_API bool MV_DecommitPos(MV_Memory *m, size_t pos) { + size_t aligned = MA_AlignDown(pos, MV__WIN32_PAGE_SIZE); + size_t adjusted_pos = MA_CLAMP_TOP(aligned, m->commit); + size_t size_to_decommit = m->commit - adjusted_pos; + if (size_to_decommit) { + uint8_t *base_address = m->data + adjusted_pos; + BOOL result = VirtualFree(base_address, size_to_decommit, MEM_DECOMMIT); + if (result) { + m->commit -= size_to_decommit; + return true; + } + } + return false; +} + +#elif __unix__ // _WIN32 + #include + #define MV__UNIX_PAGE_SIZE 4096 +MA_API MV_Memory MV_Reserve(size_t size) { + MV_Memory result = {}; + size_t size_aligned = MA_AlignUp(size, MV__UNIX_PAGE_SIZE); + result.data = (uint8_t *)mmap(0, size_aligned, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + MA_ASSERT(result.data && "Failed to reserve memory using mmap!!"); + if (result.data) { + result.reserve = size_aligned; + } + return result; +} + +MA_API bool MV_Commit(MV_Memory *m, size_t commit) { + uint8_t *pointer = MV__AdvanceCommit(m, &commit, MV__UNIX_PAGE_SIZE); + if (pointer) { + int mprotect_result = mprotect(pointer, commit, PROT_READ | PROT_WRITE); + MA_ASSERT(mprotect_result == 0 && "Failed to commit more memory using mmap"); + if (mprotect_result == 0) { + m->commit += commit; + return true; + } + } + return false; +} + +MA_API void MV_Deallocate(MV_Memory *m) { + int result = munmap(m->data, m->reserve); + MA_ASSERT(result == 0 && "Failed to release virtual memory using munmap"); +} +#else + #error "unhandled arena platform" +#endif // __unix__ +#endif // MA_IMPL \ No newline at end of file diff --git a/src/core/array.h b/src/core/array.h new file mode 100755 index 0000000..7456b7d --- /dev/null +++ b/src/core/array.h @@ -0,0 +1,73 @@ +#ifndef ARRAY_HEADER +#define ARRAY_HEADER +#include +#include +#ifndef AUser_Assert + #include + #define AUser_Assert(x) assert(x) +#endif + +#ifndef Array_LongNames + #define Add A_Add + #define Pop A_Pop + #define Last A_Last + #define Reserve A_Reserve + #define SetLen A_SetLen + #define UnorderedRemove A_UnorderedRemove + #define OrderedRemove A_OrderedRemove + #define Insert A_Insert +#endif + +#define Array(T) \ + struct { \ + T *data; \ + int cap, len; \ + } +typedef Array(void) Array_Void; +#define For(i, n) for (int i = 0; i < n; i += 1) +#define FoR(i, n) for (int i = n - 1; i >= 0; i -= 1) + +#define A_ElementSize(a) sizeof(*(a)->data) +#define A_Add(a, e) (A__Grow((Array_Void *)a, A_ElementSize(a)), (a)->data[(a)->len++] = (e)) +#define A_Pop(a) (AUser_Assert((a)->len > 0), (a)->data[--(a)->len]) +#define A_Last(a) (AUser_Assert((a)->len > 0), (a)->data[(a)->len - 1]) +#define A_Reserve(a, n) (A__Reserve((Array_Void *)(a), A_ElementSize(a), (n))) +#define A_SetLen(a, n) (A__Reserve((Array_Void *)(a), A_ElementSize(a), (n)), (a)->len = (n)) +#define A_UnorderedRemove(a, n) ( \ + AUser_Assert((n) >= 0 && (n) < (a)->len), \ + (a)->data[(n)] = A_Pop(a)) +#define A_OrderedRemoveN(a, i, n) ( \ + AUser_Assert((n) >= 0 && (n) < (a)->len), \ + memcpy((a)->data + i, (a)->data + (i) + (n), A_ElementSize(a) * ((a)->len - (i) - (n))), \ + (a)->len -= (n)) +#define A_OrderedRemove(a, i) A_OrderedRemoveN(a, i, 1) + +#define A_InsertN(a, i, n) ( \ + AUser_Assert((i) >= 0 && (i) < (a)->len), \ + A__Grow((Array_Void *)a, A_ElementSize(a)), \ + memcpy((a)->data + (i) + (n), (a)->data + i, (n)*A_ElementSize(a)), \ + (a)->len += (n)) +#define A_Insert(a, i, e) (A_InsertN(a, i, 1), (a)->data[i] = (e)) +#define A_Free(a) (free((a)->data), memset(a, 0, sizeof(*a))) + +static void A__Reserve(Array_Void *a, int element_size, int new_cap) { + if (new_cap > a->cap) { + a->cap = new_cap; + a->data = realloc(a->data, a->cap * element_size); + AUser_Assert(a->data); + } +} + +static void A__Grow(Array_Void *a, int element_size) { + if (a->cap == 0) { + a->cap = 16; + a->data = realloc(0, element_size * a->cap); + } + else if (a->len + 1 > a->cap) { + a->cap *= 2; + a->data = realloc(a->data, element_size * a->cap); + } + AUser_Assert(a->data); +} + +#endif // ARRAY_HEADER \ No newline at end of file diff --git a/src/core/array.hpp b/src/core/array.hpp new file mode 100755 index 0000000..f0eda17 --- /dev/null +++ b/src/core/array.hpp @@ -0,0 +1,314 @@ +// #define ARRAY_ALLOCATOR_TYPE Allocator + +#ifndef ARRAY_PRIVATE_FUNCTION + #if defined(__GNUC__) || defined(__clang__) + #define ARRAY_PRIVATE_FUNCTION __attribute__((unused)) static + #else + #define ARRAY_PRIVATE_FUNCTION static + #endif +#endif + +#ifndef ARRAY_ALLOCATE + #include + #define ARRAY_ALLOCATE(allocator, size) malloc(size) +#endif + +#ifndef ARRAY_DEALLOCATE + #include + #define ARRAY_DEALLOCATE(allocator, p) free(p) +#endif + +#ifndef ARRAY_ASSERT + #include + #define ARRAY_ASSERT(x) assert(x) +#endif + +#ifndef ARRAY_MemoryMove + #include + #define ARRAY_MemoryMove(dst, src, size) memmove(dst, src, size) +#endif + +#ifndef ARRAY_SET_DEFAULT_ALLOCATOR + #define ARRAY_SET_DEFAULT_ALLOCATOR +// Example: +// #define ARRAY_SET_DEFAULT_ALLOCATOR if (!allocator) allocator = global_heap; +#endif + +#ifdef DEFER_HEADER +#define ForArrayRemovable(a) for (int __i = 0; __i < (a).len; __i += 1) +#define ForArrayRemovablePrepare(a) \ + auto &it = (a)[__i]; \ + bool remove_it = false; \ + defer { \ + if (remove_it) { \ + (a).ordered_remove(it); \ + __i -= 1; \ + } \ + } +#define ForArrayRemovableDeclare() (remove_it = true) +#endif + +#if !defined(ARRAY_ALLOCATOR_CODE) + #if defined(ARRAY_ALLOCATOR_TYPE) + #define ARRAY_ALLOCATOR_CODE(x) x + #define ARRAY_ALLOCATOR_PARAM ARRAY_ALLOCATOR_TYPE *allocator, + #define ARRAY_ALLOCATOR_PASS allocator, + #define ARRAY__PASS(ctx, name) (ctx)->name, + #else + #define ARRAY_ALLOCATOR_CODE(x) + #define ARRAY_ALLOCATOR_PARAM + #define ARRAY_ALLOCATOR_PASS + #define ARRAY__PASS(ctx, name) + #endif +#endif + +#if !defined(For) +#define For2(a,it) for(auto &it : (a)) +#define For(x) For2(x,it) +#endif + +template +struct Array { + ARRAY_ALLOCATOR_CODE(ARRAY_ALLOCATOR_TYPE *allocator;) + T *data; + int cap, len; + + T &operator[](int index) { + ARRAY_ASSERT(index >= 0 && index < len); + return data[index]; + } + T &operator[](long long index) { + ARRAY_ASSERT(index >= 0 && index < len); + return data[index]; + } + + bool is_first(T &item) { return &item == first(); } + bool is_last(T &item) { return &item == last(); } + + bool contains(T *item) { + bool result = item >= data && item < data + len; + return result; + } + + int get_index(T &item) { + ARRAY_ASSERT((data <= &item) && ((data + len) > &item)); + size_t offset = &item - data; + return (int)offset; + } + + void add(T item) { + try_growing(); + data[len++] = item; + } + + // Struct needs to have 'value_to_sort_by' field + void sorted_insert_decreasing(T item) { + int insert_index = -1; + For(*this) { + if (it.value_to_sort_by <= item.value_to_sort_by) { + insert_index = get_index(it); + insert(item, insert_index); + break; + } + } + + if (insert_index == -1) { + add(item); + } + } + + void bounded_add(T item) { + ARRAY_ASSERT(len + 1 <= cap); + try_growing(); // in case of error + data[len++] = item; + } + + T *alloc(const T &item) { + try_growing(); + T *ref = data + len++; + *ref = item; + return ref; + } + + T *alloc() { + try_growing(); + T *ref = data + len++; + *ref = {}; + return ref; + } + + T *alloc_multiple(int size) { + try_growing_to_fit_item_count(size); + T *result = data + len; + len += size; + return result; + } + + void add_array(T *items, int item_count) { + for (int i = 0; i < item_count; i += 1) { + add(items[i]); + } + } + + void reserve(int size) { + if (size > cap) { + ARRAY_SET_DEFAULT_ALLOCATOR; + + void *p = ARRAY_ALLOCATE(allocator, size * sizeof(T)); + ARRAY_ASSERT(p); + + if (data) { + ARRAY_MemoryMove(p, data, len * sizeof(T)); + ARRAY_DEALLOCATE(allocator, data); + } + + data = (T *)p; + cap = size; + } + } + + void init(ARRAY_ALLOCATOR_PARAM int size) { + len = 0; + cap = 0; + data = 0; + ARRAY_ALLOCATOR_CODE(this->allocator = allocator;) + reserve(size); + } + + void reset() { + len = 0; + } + + T pop() { + ARRAY_ASSERT(len > 0); + return data[--len]; + } + + void unordered_remove(T &item) { // DONT USE IN LOOPS !!!! + ARRAY_ASSERT(len > 0); + ARRAY_ASSERT(&item >= begin() && &item < end()); + item = data[--len]; + } + + int get_index(const T &item) { + ptrdiff_t index = (ptrdiff_t)(&item - data); + ARRAY_ASSERT(index >= 0 && index < len); + // ARRAY_ASSERT(index > INT_MIN && index < INT_MAX); + return (int)index; + } + + void ordered_remove(T &item) { // DONT USE IN LOOPS !!! + ARRAY_ASSERT(len > 0); + ARRAY_ASSERT(&item >= begin() && &item < end()); + int index = get_index(item); + ARRAY_ASSERT(index >= 0 && index < len); + + int right_len = len - index - 1; + ARRAY_MemoryMove(data + index, data + index + 1, right_len * sizeof(T)); + len -= 1; + } + + void insert(T item, int index) { + if (index == len) { + add(item); + return; + } + + ARRAY_ASSERT(index < len); + ARRAY_ASSERT(index >= 0); + + try_growing(); + int right_len = len - index; + ARRAY_MemoryMove(data + index + 1, data + index, sizeof(T) * right_len); + data[index] = item; + len += 1; + } + + void dealloc() { + if (data) ARRAY_DEALLOCATE(allocator, data); + data = 0; + len = cap = 0; + } + + Array exact_copy(ARRAY_ALLOCATOR_CODE(ARRAY_ALLOCATOR_TYPE *allocator)) { + Array result = {}; + ARRAY_ALLOCATOR_CODE(result.allocator = allocator;) + result.reserve(cap); + + ARRAY_MemoryMove(result.data, data, sizeof(T) * len); + result.len = len; + return result; + } + + Array tight_copy(ARRAY_ALLOCATOR_CODE(ARRAY_ALLOCATOR_TYPE *allocator)) { + Array result = {}; + ARRAY_ALLOCATOR_CODE(result.allocator = allocator;) + result.reserve(len); + + ARRAY_MemoryMove(result.data, data, sizeof(T) * len); + result.len = len; + return result; + } + + T *first() { + ARRAY_ASSERT(len > 0); + return data; + } + T *last() { + ARRAY_ASSERT(len > 0); + return data + len - 1; + } + T *front() { + ARRAY_ASSERT(len > 0); + return data; + } + T *back() { + ARRAY_ASSERT(len > 0); + return data + len - 1; + } + T *begin() { return data; } + T *end() { return data + len; } + + struct Reverse_Iter { + T *data; + Array *arr; + + Reverse_Iter operator++(int) { + Reverse_Iter ret = *this; + data -= 1; + return ret; + } + Reverse_Iter &operator++() { + data -= 1; + return *this; + } + + T &operator*() { return data[0]; } + T *operator->() { return data; } + + friend bool operator==(const Reverse_Iter &a, const Reverse_Iter &b) { return a.data == b.data; }; + friend bool operator!=(const Reverse_Iter &a, const Reverse_Iter &b) { return a.data != b.data; }; + + Reverse_Iter begin() { return Reverse_Iter{arr->end() - 1, arr}; } + Reverse_Iter end() { return Reverse_Iter{arr->begin() - 1, arr}; } + }; + + Reverse_Iter reverse() { return {end() - 1, this}; } + + void try_growing() { + if (len + 1 > cap) { + int new_size = cap * 2; + if (new_size < 16) new_size = 16; + + reserve(new_size); + } + } + + void try_growing_to_fit_item_count(int item_count) { + if (len + item_count > cap) { + int new_size = (cap + item_count) * 2; + if (new_size < 16) new_size = 16; + reserve(new_size); + } + } +}; diff --git a/src/core/bld.c b/src/core/bld.c new file mode 100755 index 0000000..4b459a1 --- /dev/null +++ b/src/core/bld.c @@ -0,0 +1,438 @@ +#include "core/core.c" + +#define CL_Arena MA_Arena +#define CL_PushSize MA_PushSizeNonZeroed +#define CL_ASSERT IO_Assert +#define CL_VSNPRINTF stbsp_vsnprintf +#define CL_SNPRINTF stbsp_snprintf +#include "clexer.h" + +MA_Arena G__Arena; +MA_Arena *G_Arena = &G__Arena; + +S8_List BLD_DefaultMSVCCompileFlags; +S8_List BLD_DefaultMSVCDebugCompileFlags; +S8_List BLD_DefaultMSVCReleaseCompileFlags; +S8_List BLD_DefaultMSVCReleaseCompileFlagsWithoutCRT; +S8_List BLD_DefaultMSVCCompileFlagsWithSTD; +S8_List BLD_DefaultMSVCDebugCompileFlagsWithSTD; +S8_List BLD_DefaultMSVCReleaseCompileFlagsWithSTD; +S8_List BLD_BundledMSVCIncludeSearchPaths; +S8_List BLD_BundledMSVCLibrarySearchPaths; +S8_List BLD_DefaultMSVCLinkerFlags; +S8_List BLD_DefaultMSVCDebugLinkerFlags; +S8_List BLD_DefaultMSVCLinkerFlagsWithoutCRT; +S8_List BLD_CoreLibraryIncludeSearchPaths; + +bool SRC_WasModified(S8_String file); + +static char *BLD_CoreLibraryIncludes[] = { + BASE_PATH, + VENDOR_PATH "imgui", +}; + +CL_SearchPaths SRC_SearchPaths = { + BLD_CoreLibraryIncludes, + lengthof(BLD_CoreLibraryIncludes), +}; + +void BLD_Init() { + // COMPILER FLAGS + { + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-WX"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-W3"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-wd4200"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-diagnostics:column"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-nologo"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-FC"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-Z7"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-GF"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-Gm-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-Oi"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-Zo"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-D_CRT_SECURE_NO_WARNINGS"); + + BLD_DefaultMSVCDebugCompileFlags = S8_CopyList(G_Arena, BLD_DefaultMSVCCompileFlags); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugCompileFlags, "-Od"); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugCompileFlags, "-D_DEBUG"); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugCompileFlags, "-MTd"); // Statically link the C library with debug symbols // required because std C++ calls some debug stuff + + BLD_DefaultMSVCReleaseCompileFlags = S8_CopyList(G_Arena, BLD_DefaultMSVCCompileFlags); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlags, "-O2"); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlags, "-MT"); + + BLD_DefaultMSVCReleaseCompileFlagsWithoutCRT = S8_CopyList(G_Arena, BLD_DefaultMSVCCompileFlags); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlagsWithoutCRT, "-GS-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlagsWithoutCRT, "-Gs9999999"); + + BLD_DefaultMSVCCompileFlagsWithSTD = S8_CopyList(G_Arena, BLD_DefaultMSVCCompileFlags); + BLD_DefaultMSVCDebugCompileFlagsWithSTD = S8_CopyList(G_Arena, BLD_DefaultMSVCDebugCompileFlags); + BLD_DefaultMSVCReleaseCompileFlagsWithSTD = S8_CopyList(G_Arena, BLD_DefaultMSVCReleaseCompileFlags); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlagsWithSTD, "-EHsc"); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugCompileFlagsWithSTD, "-EHsc"); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlagsWithSTD, "-EHsc"); + + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-EHa-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCCompileFlags, "-GR-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugCompileFlags, "-EHa-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugCompileFlags, "-GR-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlags, "-EHa-"); + S8_AddF(G_Arena, &BLD_DefaultMSVCReleaseCompileFlags, "-GR-"); + } + + // SEARCH PATHS + { + S8_AddArrayWithPrefix(G_Arena, &BLD_CoreLibraryIncludeSearchPaths, "-I", BLD_CoreLibraryIncludes, lengthof(BLD_CoreLibraryIncludes)); + + S8_AddF(G_Arena, &BLD_BundledMSVCIncludeSearchPaths, "-I" MISC_PATH "MSVC/14.34.31933/include"); + S8_AddF(G_Arena, &BLD_BundledMSVCIncludeSearchPaths, "-I" MISC_PATH "WindowsKits/Include/10.0.22000.0/ucrt"); + S8_AddF(G_Arena, &BLD_BundledMSVCIncludeSearchPaths, "-I" MISC_PATH "WindowsKits/Include/10.0.22000.0/shared"); + S8_AddF(G_Arena, &BLD_BundledMSVCIncludeSearchPaths, "-I" MISC_PATH "WindowsKits/Include/10.0.22000.0/um"); + S8_AddArrayWithPrefix(G_Arena, &BLD_BundledMSVCIncludeSearchPaths, "-I", BLD_CoreLibraryIncludes, lengthof(BLD_CoreLibraryIncludes)); + + S8_AddF(G_Arena, &BLD_BundledMSVCLibrarySearchPaths, "-LIBPATH:" MISC_PATH "MSVC/14.34.31933/lib/x64"); + S8_AddF(G_Arena, &BLD_BundledMSVCLibrarySearchPaths, "-LIBPATH:" MISC_PATH "WindowsKits/Lib/10.0.22000.0/um/x64"); + S8_AddF(G_Arena, &BLD_BundledMSVCLibrarySearchPaths, "-LIBPATH:" MISC_PATH "WindowsKits/Lib/10.0.22000.0/ucrt/x64"); + } + + // LINKER + { + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlags, "-incremental:no"); + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlags, "-opt:ref"); + + BLD_DefaultMSVCDebugLinkerFlags = S8_CopyList(G_Arena, BLD_DefaultMSVCLinkerFlags); + S8_AddF(G_Arena, &BLD_DefaultMSVCDebugLinkerFlags, "-NODEFAULTLIB:LIBCMT"); + + BLD_DefaultMSVCLinkerFlagsWithoutCRT = S8_CopyList(G_Arena, BLD_DefaultMSVCLinkerFlags); + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlagsWithoutCRT, "-STACK:0x100000,0x100000"); + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlagsWithoutCRT, "-subsystem:windows"); + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlagsWithoutCRT, "gdi32.lib"); + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlagsWithoutCRT, "user32.lib"); + S8_AddF(G_Arena, &BLD_DefaultMSVCLinkerFlagsWithoutCRT, "kernel32.lib"); + } +} + +typedef struct BLD_CompilerArgs BLD_CompilerArgs; +struct BLD_CompilerArgs { + bool compile_to_objects; + S8_String compiler_path; + S8_List include_paths; + S8_List library_paths; + + S8_List files_to_compile_to_objects; + S8_List object_files_to_link; + S8_List libraries_to_link; + + S8_List link_flags; + S8_List compile_flags; + + S8_String output_filename; +}; + +BLD_CompilerArgs BLD_DefaultCompilerArgs() { + BLD_CompilerArgs args = {0}; + args.compiler_path = S8_Lit(CL_PATH); + args.include_paths = BLD_BundledMSVCIncludeSearchPaths; + args.library_paths = BLD_BundledMSVCLibrarySearchPaths; + args.compile_flags = BLD_DefaultMSVCDebugCompileFlags; + args.link_flags = BLD_DefaultMSVCDebugLinkerFlags; + return args; +} + +int BLD_Compile(BLD_CompilerArgs a) { + S8_String include_search_paths = S8_MergeWithSeparator(G_Arena, a.include_paths, S8_Lit(" ")); + S8_String library_paths = S8_MergeWithSeparator(G_Arena, a.library_paths, S8_Lit(" ")); + S8_String files_to_compile_to_objects = S8_MergeWithSeparator(G_Arena, a.files_to_compile_to_objects, S8_Lit(" ")); + S8_String object_files_to_link = S8_MergeWithSeparator(G_Arena, a.object_files_to_link, S8_Lit(" ")); + S8_String libraries_to_link = S8_MergeWithSeparator(G_Arena, a.libraries_to_link, S8_Lit(" ")); + + S8_String link_flags = S8_MergeWithSeparator(G_Arena, a.link_flags, S8_Lit(" ")); + S8_String compiler_flags = S8_MergeWithSeparator(G_Arena, a.compile_flags, S8_Lit(" ")); + + char *_c = "-c"; + if (a.compile_to_objects == false) { + _c = ""; + } + + S8_String output_filename = a.output_filename; + if (output_filename.len != 0) { + output_filename = S8_Format(G_Arena, "-Fe:%.*s", S8_Expand(output_filename)); + } + + int result = OS_SystemF("%.*s %s %.*s %.*s %.*s %.*s %.*s -link %.*s %.*s %.*s", + S8_Expand(a.compiler_path), _c, S8_Expand(output_filename), S8_Expand(files_to_compile_to_objects), + S8_Expand(object_files_to_link), S8_Expand(compiler_flags), S8_Expand(include_search_paths), + S8_Expand(library_paths), S8_Expand(link_flags), S8_Expand(libraries_to_link)); + return result; +} + +void BLD_AddDynamicSourceFile(S8_List *object_source_files, S8_List *object_files, S8_String source_filename, S8_String object_filename) { + if (SRC_WasModified(source_filename)) { + IO_Printf("RECOMPILING %.*s\n", S8_Expand(source_filename)); + S8_AddNode(G_Arena, object_source_files, source_filename); + } + S8_AddNode(G_Arena, object_files, object_filename); +} + +void BLD_AddStaticSourceFile(S8_List *object_source_files, S8_List *object_files, S8_String source_filename, S8_String object_filename) { + if (OS_FileExists(object_filename) == false) { + S8_AddNode(G_Arena, object_source_files, source_filename); + IO_Printf("RECOMPILING %.*s\n", S8_Expand(source_filename)); + } + S8_AddNode(G_Arena, object_files, object_filename); +} + +void BLD_AddRaylib(S8_List *libraries_to_link) { + S8_AddF(G_Arena, libraries_to_link, VENDOR_PATH "raylib/windows/raylibdll.lib"); + OS_CopyFile(S8_Lit(VENDOR_PATH "raylib/windows/raylib.dll"), S8_Lit("raylib.dll"), false); + IO_Printf("cp %s %s\n", VENDOR_PATH "raylib/windows/raylib.dll", "raylib.dll"); +} + +const int BLD_Lib_Glad = 1; +const int BLD_Lib_StbImage = 2; +const int BLD_Lib_StbTruetype = 4; +const int BLD_Lib_ImGui = 8; +const int BLD_Lib_StbDs = 16; +const int BLD_Lib_RemoveCore = 32; + +const int BLD_Lib_Raylib = 32; // Arg to build project + +void BLD_AddLibsToBuild(S8_List *object_source_files, S8_List *object_files, int flags) { + if ((flags & BLD_Lib_RemoveCore) == 0) { + BLD_AddDynamicSourceFile(object_source_files, object_files, S8_Lit(BASE_PATH "core/core.c"), S8_Lit("encore.obj")); + } + if (flags & BLD_Lib_Glad) { + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "glad/glad.c"), S8_Lit("glad.obj")); + } + if (flags & BLD_Lib_StbImage) { + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "stb_image.c"), S8_Lit("stb_image.obj")); + } + if (flags & BLD_Lib_StbTruetype) { + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "stb_truetype.c"), S8_Lit("stb_truetype.obj")); + } + if (flags & BLD_Lib_ImGui) { + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/backends/imgui_impl_win32.cpp"), S8_Lit("imgui_impl_win32.obj")); + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/backends/imgui_impl_opengl3.cpp"), S8_Lit("imgui_impl_opengl3.obj")); + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/imgui.cpp"), S8_Lit("imgui.obj")); + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/imgui_widgets.cpp"), S8_Lit("imgui_widgets.obj")); + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/imgui_draw.cpp"), S8_Lit("imgui_draw.obj")); + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/imgui_tables.cpp"), S8_Lit("imgui_tables.obj")); + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "imgui/imgui_demo.cpp"), S8_Lit("imgui_demo.obj")); + } + if (flags & BLD_Lib_StbDs) { + BLD_AddStaticSourceFile(object_source_files, object_files, S8_Lit(VENDOR_PATH "stb_ds.c"), S8_Lit("stb_ds.obj")); + } +} + +int BLD_PresetUnity(S8_String cfile, int libs_to_compile) { + S8_List object_files = {0}; + + // Incremental compile of libraries + { + S8_List object_source_files = {0}; + BLD_AddLibsToBuild(&object_source_files, &object_files, libs_to_compile); + if (object_source_files.node_count) { + BLD_CompilerArgs args = BLD_DefaultCompilerArgs(); + args.compile_to_objects = true; + args.files_to_compile_to_objects = object_source_files; + int result = BLD_Compile(args); + if (result != 0) { + IO_Printf("FAILED to compile libraries\n"); + return result; + } + } + } + + BLD_CompilerArgs args = BLD_DefaultCompilerArgs(); + args.files_to_compile_to_objects = S8_MakeList(G_Arena, cfile); + + S8_List libraries_to_link = {0}; + if (libs_to_compile & BLD_Lib_Raylib) { + BLD_AddRaylib(&libraries_to_link); + } + args.libraries_to_link = libraries_to_link; + args.object_files_to_link = object_files; + int result = BLD_Compile(args); + return result; +} + +typedef struct TokenReplacement TokenReplacement; +struct TokenReplacement { + S8_String replace; + S8_String with; +}; + +S8_String TokenReplace(MA_Arena *arena, CL_ArenaTuple *arena_tuple, S8_String content, TokenReplacement *replace, int replace_count) { + IO_Assert(content.str[content.len] == 0); + CL_LexResult *lex_result = CL_LexString(arena_tuple, "TokenReplace", content.str); + CL_Tokens tokens = lex_result->tokens; + + S8_List out = {0}; + S8_String c = content; + + for (int i = 0; i < tokens.count; i += 1) { + CL_Token *it = tokens.data + i; + S8_String s = S8_Make(it->str, it->len); + S8_String replacement = {0}; + + bool match = false; + for (int ii = 0; ii < replace_count; ii += 1) { + if (S8_AreEqual(s, replace[ii].replace, 0)) { + match = true; + replacement = replace[ii].with; + break; + } + } + + if (match) { + S8_String prefix = S8_GetPrefix(c, s.str - c.str); + S8_AddNode(arena_tuple->other, &out, prefix); + S8_AddNode(arena_tuple->other, &out, replacement); + c = S8_Skip(c, s.len + prefix.len); + } + } + S8_AddNode(arena_tuple->other, &out, c); + + S8_String result = S8_Merge(arena, out); + return result; +} + +// +// Cache +// + +double SRC_Time; + +typedef struct SRC_CacheEntry SRC_CacheEntry; +struct SRC_CacheEntry { + uint64_t filepath_hash; + uint64_t file_hash; + uint64_t includes_hash; + uint64_t total_hash; +}; + +#define SRC_CACHE_ENTRY_COUNT 1024 +typedef struct SRC_Cache SRC_Cache; +struct SRC_Cache { + int entry_cap; + int entry_len; + SRC_CacheEntry entries[SRC_CACHE_ENTRY_COUNT]; +}; +SRC_Cache *SRC_InMemoryCache; +SRC_Cache *SRC_FromFileCache; +CL_ArenaTuple SRC_ArenaTuple; +S8_String SRC_CacheFilename; + +void SRC_InitCache(MA_Arena *arena, S8_String cachefilename) { + SRC_CacheFilename = cachefilename; + CL_InitDefaultTuple(&SRC_ArenaTuple); + + SRC_InMemoryCache = MA_PushStruct(arena, SRC_Cache); + SRC_InMemoryCache->entry_cap = SRC_CACHE_ENTRY_COUNT; + + SRC_FromFileCache = MA_PushStruct(arena, SRC_Cache); + SRC_FromFileCache->entry_cap = SRC_CACHE_ENTRY_COUNT; + + S8_String cache = OS_ReadFile(arena, SRC_CacheFilename); + if (cache.len) MA_MemoryCopy(SRC_FromFileCache, cache.str, cache.len); +} + +void SRC_SaveCache() { + S8_String dump = S8_Make((char *)SRC_InMemoryCache, sizeof(SRC_Cache)); + OS_WriteFile(SRC_CacheFilename, dump); +} + +SRC_CacheEntry *SRC_AddHash(uint64_t filepath, uint64_t file, uint64_t includes) { + IO_Assert(SRC_InMemoryCache->entry_len + 1 < SRC_InMemoryCache->entry_cap); + SRC_CacheEntry *result = SRC_InMemoryCache->entries + SRC_InMemoryCache->entry_len++; + result->filepath_hash = filepath; + result->file_hash = file; + result->includes_hash = includes; + result->total_hash = HashBytes(result, sizeof(uint64_t) * 3); + return result; +} + +SRC_CacheEntry *SRC_FindCache(SRC_Cache *cache, uint64_t filepath_hash) { + for (int cache_i = 0; cache_i < cache->entry_len; cache_i += 1) { + SRC_CacheEntry *it = cache->entries + cache_i; + if (it->filepath_hash == filepath_hash) { + return it; + } + } + return 0; +} + +SRC_CacheEntry *SRC_HashFile(S8_String file, char *parent_file) { + char *resolved_file = CL_ResolveFilepath(G_Arena, &SRC_SearchPaths, file.str, parent_file, false); + if (!resolved_file) { + IO_Printf("Failed to resolve file: %s\n", file.str); + return 0; + } + + uint64_t filepath_hash = HashBytes(resolved_file, S8_Length(resolved_file)); + SRC_CacheEntry *entry = SRC_FindCache(SRC_InMemoryCache, filepath_hash); + if (entry) return entry; + + CL_LexResult *first_lex = CL_LexFile(&SRC_ArenaTuple, resolved_file); + IO_Assert(first_lex); + uint64_t file_hash = HashBytes(first_lex->stream_begin, first_lex->stream - first_lex->stream_begin); + uint64_t includes_hash = 13; + + CL_LexList list = CL_MakeLexList(first_lex); + for (CL_IncludeIter iter = CL_IterateIncludes(&list); iter.filename; CL_GetNextInclude(&iter)) { + if (iter.is_system_include) continue; + + S8_String file_it = S8_MakeFromChar(iter.filename); + SRC_CacheEntry *cache = SRC_HashFile(file_it, resolved_file); + if (!cache) { + IO_Printf("Missing cache for: %s\n", file_it.str); + continue; + } + + includes_hash = HashMix(includes_hash, cache->total_hash); + } + + SRC_CacheEntry *result = SRC_AddHash(filepath_hash, file_hash, includes_hash); + return result; +} + +bool SRC_WasModified(S8_String file) { + double time_start = OS_GetTime(); + + if (OS_FileExists(file) == false) { + IO_Printf("FAILED File doesnt exist: %.*s\n", S8_Expand(file)); + exit(0); + } + if (OS_IsAbsolute(file) == false) { + file = OS_GetAbsolutePath(G_Arena, file); + } + + S8_String without_ext = S8_ChopLastPeriod(file); + S8_String name_only = S8_SkipToLastSlash(without_ext); + S8_String obj = S8_Format(G_Arena, "%.*s.obj", S8_Expand(name_only)); + bool modified = OS_FileExists(obj) == false; + + SRC_CacheEntry *in_memory = SRC_HashFile(file, 0); + IO_Assert(in_memory); + + if (modified == false) { + SRC_CacheEntry *from_file = SRC_FindCache(SRC_FromFileCache, in_memory->filepath_hash); + if (from_file == 0 || (in_memory->total_hash != from_file->total_hash)) { + modified = true; + } + } + + SRC_Time = SRC_Time + (OS_GetTime() - time_start); + + return modified; +} + +#ifdef BLD_METAPROGRAM +int BLD_Main(); +int main() { + BLD_Init(); + SRC_InitCache(G_Arena, S8_Lit("main.cache")); + int result = BLD_Main(); + if (result == 0) SRC_SaveCache(); +} +#endif \ No newline at end of file diff --git a/src/core/bld_paths.c b/src/core/bld_paths.c new file mode 100755 index 0000000..eb24f13 --- /dev/null +++ b/src/core/bld_paths.c @@ -0,0 +1,5 @@ +#define BASE_PATH "C:/Work/" +#define VENDOR_PATH BASE_PATH "vendor/" +#define MISC_PATH BASE_PATH "misc/" +#define BIN_PATH MISC_PATH "bin/" +#define CL_PATH MISC_PATH "MSVC/14.34.31933/bin/Hostx64/x64/cl.exe" diff --git a/src/core/clexer.h b/src/core/clexer.h new file mode 100755 index 0000000..4f51a17 --- /dev/null +++ b/src/core/clexer.h @@ -0,0 +1,2411 @@ +#ifndef CL_HEADER +#define CL_HEADER +#include +#include +#include + +#ifndef CL_PRIVATE_FUNCTION + #if defined(__GNUC__) || defined(__clang__) + #define CL_PRIVATE_FUNCTION __attribute__((unused)) static + #else + #define CL_PRIVATE_FUNCTION static + #endif +#endif + +#ifndef CL_API_FUNCTION + #ifdef __cplusplus + #define CL_API_FUNCTION extern "C" + #else + #define CL_API_FUNCTION + #endif +#endif + +#ifndef CL_INLINE + #ifndef _MSC_VER + #ifdef __cplusplus + #define CL_INLINE inline + #else + #define CL_INLINE + #endif + #else + #define CL_INLINE __forceinline + #endif +#endif + +#ifndef CL_Arena + #define CL_Arena CL__Arena +typedef struct CL__Arena { + char *buff; + int len, cap; +} CL_Arena; +CL_PRIVATE_FUNCTION void *CL_PushSize(CL_Arena *arena, int size); +#else + #define CL_CUSTOM_ARENA_TYPE + #ifndef CL_PushSize + #error If you use a custom Arena type, you need to implement CL_PushSize macro + #endif +#endif + +typedef enum CL_Kind CL_Kind; +enum CL_Kind { + CL_EOF, + CL_MUL, + CL_DIV, + CL_MOD, + CL_LEFTSHIFT, + CL_RIGHTSHIFT, + CL_ADD, + CL_SUB, + CL_EQUALS, + CL_LESSERTHEN, + CL_GREATERTHEN, + CL_LESSERTHEN_OR_EQUAL, + CL_GREATERTHEN_OR_EQUAL, + CL_NOTEQUALS, + CL_BITAND, + CL_BITOR, + CL_BITXOR, + CL_AND, + CL_OR, + CL_NEG, + CL_NOT, + CL_DECREMENT, + CL_INCREMENT, + CL_POSTDECREMENT, + CL_POSTINCREMENT, + CL_ASSIGN, + CL_DIVASSIGN, + CL_MULASSIGN, + CL_MODASSIGN, + CL_SUBASSIGN, + CL_ADDASSIGN, + CL_ANDASSIGN, + CL_ORASSIGN, + CL_XORASSIGN, + CL_LEFTSHIFTASSIGN, + CL_RIGHTSHIFTASSIGN, + CL_OPENPAREN, + CL_CLOSEPAREN, + CL_OPENBRACE, + CL_CLOSEBRACE, + CL_OPENBRACKET, + CL_CLOSEBRACKET, + CL_COMMA, + CL_MACRO_CONCAT, + CL_PREPROC_STRINGIFY, + CL_QUESTION, + CL_THREEDOTS, + CL_SEMICOLON, + CL_DOT, + CL_COLON, + CL_TAG, + CL_ARROW, + CL_EXPRSIZEOF, + CL_DOCCOMMENT, + CL_COMMENT, + CL_IDENTIFIER, + CL_STRINGLIT, + CL_CHARLIT, + CL_ERROR, + CL_FLOAT, + CL_INT, + CL_PREPROC_NULL, + CL_PREPROC_DEFINE, + CL_PREPROC_IFDEF, + CL_PREPROC_IFNDEF, + CL_PREPROC_INCLUDE, + CL_PREPROC_ENDIF, + CL_PREPROC_IF, + CL_PREPROC_PRAGMA, + CL_PREPROC_ERROR, + CL_PREPROC_ELSE, + CL_PREPROC_ELIF, + CL_PREPROC_UNDEF, + CL_KEYWORD_VOID, + CL_KEYWORD_INT, + CL_KEYWORD_CHAR, + CL_KEYWORD_UNSIGNED, + CL_KEYWORD_SIGNED, + CL_KEYWORD_LONG, + CL_KEYWORD_SHORT, + CL_KEYWORD_DOUBLE, + CL_KEYWORD_FLOAT, + CL_KEYWORD__BOOL, + CL_KEYWORD__COMPLEX, + CL_KEYWORD__IMAGINARY, + CL_KEYWORD_STATIC, + CL_KEYWORD_AUTO, + CL_KEYWORD_CONST, + CL_KEYWORD_EXTERN, + CL_KEYWORD_INLINE, + CL_KEYWORD_REGISTER, + CL_KEYWORD_RESTRICT, + CL_KEYWORD_VOLATILE, + CL_KEYWORD__THREAD_LOCAL, + CL_KEYWORD__ATOMIC, + CL_KEYWORD__NORETURN, + CL_KEYWORD_STRUCT, + CL_KEYWORD_UNION, + CL_KEYWORD_ENUM, + CL_KEYWORD_TYPEDEF, + CL_KEYWORD_DEFAULT, + CL_KEYWORD_BREAK, + CL_KEYWORD_RETURN, + CL_KEYWORD_SWITCH, + CL_KEYWORD_IF, + CL_KEYWORD_ELSE, + CL_KEYWORD_FOR, + CL_KEYWORD_WHILE, + CL_KEYWORD_CASE, + CL_KEYWORD_CONTINUE, + CL_KEYWORD_DO, + CL_KEYWORD_GOTO, + CL_KEYWORD_SIZEOF, + CL_KEYWORD__ALIGNAS, + CL_KEYWORD__ALIGNOF, + CL_KEYWORD__STATIC_ASSERT, + CL_KEYWORD__GENERIC, + CL_COUNT, +}; + +typedef enum CL_Fix CL_Fix; +enum CL_Fix { + CL_FIX_NONE, + CL_SUFFIX_U, + CL_SUFFIX_UL, + CL_SUFFIX_ULL, + CL_SUFFIX_L, + CL_SUFFIX_LL, + CL_SUFFIX_F, + CL_SUFFIX_FL, + CL_PREFIX_U8, + CL_PREFIX_U16, + CL_PREFIX_U32, + CL_PREFIX_L, +}; + +typedef uint16_t CL_Flag; +enum { + CL_NONE, + CL_HEX = 1, + CL_DIGRAPH = 2, + CL_INSIDE_OF_MACRO = 4, + CL_SYSTEM_INCLUDE = 8, + CL_WHITESPACE_BEFORE_TOKEN = 16, +}; + +typedef struct CL_Hideset CL_Hideset; +struct CL_Hideset { + CL_Hideset *next; + char *name; +}; + +typedef struct CL_Token CL_Token; // 64 bytes +struct CL_Token { + // 16 bytes :( we want debug info etc. + CL_Kind kind; + CL_Flag flags; + CL_Fix fix; + + // 8bytes + uint32_t id; + int len; + char *str; // 8bytes + + // We dont store line_begin like I would normally cause the user could + // override the line and file information using directives. + // On error need to do search if I want nice error context. + int line, column; // 8bytes + char *file; // 8bytes + CL_Hideset *hideset; // 8bytes + + union { // 8bytes + double f64; + uint64_t u64; + char *intern; + char *string_literal; + struct CL_Message *error; + CL_Token *comment_is_attached_to_token; + }; +}; + +typedef enum CL_MessageKind { + CLM_ERROR, + CLM_WARNING, + CLM_TRACE, +} CL_MessageKind; + +typedef struct CL_Message CL_Message; +struct CL_Message { + CL_Message *next; + CL_MessageKind kind; + char *string; + CL_Token token; +}; + +typedef struct CL_Tokens CL_Tokens; +struct CL_Tokens { + CL_Token *data; + int count; +}; + +typedef char CL_Intern; +typedef struct CL_InternEntry CL_InternEntry; +struct CL_InternEntry { + CL_InternEntry *next; + char *string; + int len; + uint64_t hash; +}; + +typedef struct CL_InternTable CL_InternTable; +struct CL_InternTable { + CL_InternEntry *entries; + int entry_count; + int occupied_entry_count; + CL_Arena *arena; +}; + +typedef struct CL_ArenaTuple CL_ArenaTuple; +struct CL_ArenaTuple { + + // @todo: Add TokenList and TokenNode, get rid of 1 arena ? + CL_Arena *token; + CL_Arena *other; + union { + CL_Arena *include; + CL_Arena *macro_token; + }; + union { + CL_Arena *comment; + CL_Arena *scratch2; + }; + + CL_Arena default_comment; + CL_Arena default_token; + CL_Arena default_include; + CL_Arena default_other; +}; + +typedef struct CL_LexResult CL_LexResult; +struct CL_LexResult { + CL_LexResult *next_result; + + CL_Tokens tokens; + CL_Tokens includes; + CL_Tokens comments; + int attached_comment_index; + + CL_Message *first_message; + CL_Message *last_message; + int errors; + + char *stream; + char *stream_begin; + int line; + int column; + char *file; + bool inside_of_macro; + + CL_ArenaTuple *arena; +}; + +typedef struct CL_SearchPaths CL_SearchPaths; +struct CL_SearchPaths { + char **include_path; + int include_path_count; + + char **system_include_path; + int system_include_path_count; + + char *file_begin_to_ignore; +}; + +typedef struct CL_LexList CL_LexList; +struct CL_LexList { + int count; + CL_LexResult *first_result; + CL_LexResult *last_result; + CL_InternTable *intern_table; + CL_SearchPaths search_paths; +}; + +typedef struct CL_IncludeIter CL_IncludeIter; +struct CL_IncludeIter { + char *filename; + bool is_system_include; + bool inited_with_filename; + + CL_Token *include_token; + + int include_index; + CL_LexResult *parent; + CL_LexList *lex_list; + + CL_Arena *arena; + CL_SearchPaths search_paths; + bool resolve; +}; + +// +// Main API +// +CL_API_FUNCTION void CL_InitDefaultTuple(CL_ArenaTuple *tuple); +CL_API_FUNCTION CL_LexResult *CL_LexString(CL_ArenaTuple *arena, char *filename, char *string); +CL_API_FUNCTION CL_LexResult *CL_LexFile(CL_ArenaTuple *arena, char *filename); +CL_API_FUNCTION CL_LexList CL_LexRecursive(CL_ArenaTuple *arena, char *filename, CL_SearchPaths paths); + +// +// Intern table +// +CL_API_FUNCTION void CL_InitInternTable(CL_Arena *arena, CL_InternTable *table, int size); +CL_API_FUNCTION CL_InternTable *CL_CreateInternTable(CL_Arena *arena, int size); +CL_API_FUNCTION CL_Intern *CL_InsertIntern(CL_InternTable *table, char *string, int len); +CL_API_FUNCTION void CL_InternResult(CL_InternTable *table, CL_LexResult *result); + +// +// Include iteration and path resolution +// +CL_API_FUNCTION CL_IncludeIter CL_IterateIncludes(CL_LexList *list); +CL_API_FUNCTION CL_IncludeIter CL_IterateResolvedIncludes(CL_Arena *arena, CL_LexList *list, CL_SearchPaths search_paths); +CL_API_FUNCTION char *CL_ResolveFilepath(CL_Arena *arena, CL_SearchPaths *search_paths, char *filename, char *parent_file, bool is_system_include); +CL_API_FUNCTION bool CL_IsValidFile(CL_LexList *list, char *filename); +CL_API_FUNCTION void CL_GetNextInclude(CL_IncludeIter *iter); + +// Token serialization +CL_API_FUNCTION void CL_StringifyMessage(char *buff, int buff_size, CL_Message *msg); +CL_API_FUNCTION void CL_PrintMessages(CL_LexResult *lex_result); +CL_API_FUNCTION void CL_Stringify(char *buff, int buff_size, CL_Token *token); +CL_API_FUNCTION void CL_PrintTokens(CL_Tokens tokens); +// +// Extended API for "manual" lexing with extended help +// +CL_API_FUNCTION void CL_ReportError(CL_LexResult *T, CL_Token *token, const char *string, ...); +CL_API_FUNCTION bool CL_EatWhitespace(CL_LexResult *T); +CL_API_FUNCTION void CL_SetTokenLength(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION void CL_TryToFinalizeToken(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION void CL_ParseCharLiteral(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION void CL_ParseString(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION void CL_IsIdentifierKeyword(CL_LexResult *ctx, CL_Token *token); +CL_API_FUNCTION void CL_LexMacroInclude(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION bool CL_LexMacro(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION CL_LexResult *CL_CreateLexingResult(CL_ArenaTuple *arena, char *filename, char *filecontent); +CL_API_FUNCTION void CL_PrepareToken(CL_LexResult *T, CL_Token *token, bool skipped_whitespace); +CL_API_FUNCTION void CL_DefaultTokenize(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION bool CL_IsComment(CL_Kind kind); +CL_API_FUNCTION void CL_InitNextToken(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION CL_Hideset *CL_CreateHideset(CL_Arena *arena, char *name); +CL_API_FUNCTION CL_Token *CL_AddNextToken(CL_LexResult *T); +CL_API_FUNCTION void CL_AddToken(CL_LexResult *T, CL_Token *token); +CL_API_FUNCTION CL_LexList CL_MakeLexList(CL_LexResult *l); +CL_API_FUNCTION CL_IncludeIter CL_IterateFileAndResolvedIncludes(CL_ArenaTuple *arena, char *filename, CL_SearchPaths search_paths); + +// +// Token iteration and utilities +// +CL_INLINE int CL_StringLength(char *string) { + int len = 0; + while (*string++ != 0) len++; + return len; +} + +CL_INLINE bool CL_StringsAreEqual(char *a, int64_t alen, char *b, int64_t blen) { + if (alen != blen) return false; + for (int i = 0; i < alen; i += 1) { + if (a[i] != b[i]) return false; + } + return true; +} + +CL_INLINE bool CL_IsIdentifier(CL_Token *token, char *str) { + int str_len = CL_StringLength(str); + bool result = token->kind == CL_IDENTIFIER && CL_StringsAreEqual(token->str, token->len, str, str_len); + return result; +} + +CL_INLINE bool CL_IsAssign(CL_Kind op) { + bool result = op >= CL_ASSIGN && op <= CL_RIGHTSHIFTASSIGN; + return result; +} + +CL_INLINE bool CL_IsKeywordType(CL_Kind op) { + bool result = op >= CL_KEYWORD_VOID && op <= CL_KEYWORD__IMAGINARY; + return result; +} + +CL_INLINE bool CL_IsKeywordTypeOrSpec(CL_Kind op) { + bool result = op >= CL_KEYWORD_VOID && op <= CL_KEYWORD_TYPEDEF; + return result; +} + +CL_INLINE bool CL_IsMacro(CL_Kind kind) { + /*print(f"bool result = kind >= CL_PREPROC_{meta.preproc_keywords[0].upper()} && kind <= CL_PREPROC_{meta.preproc_keywords[-1].upper()};")*/ + bool result = kind >= CL_PREPROC_DEFINE && kind <= CL_PREPROC_UNDEF; + /*END*/ + return result; +} + +CL_INLINE bool CL_IsKeyword(CL_Kind kind) { + /*#print(f"bool result = kind >= CL_KEYWORD_{meta.keywords[0].upper()} && kind <= CL_KEYWORD_{meta.keywords[-1].upper()};")*/ + bool result = kind >= CL_KEYWORD_VOID && kind <= CL_KEYWORD__GENERIC; + /*END*/ + return result; +} + +CL_INLINE bool CL_IsKeywordOrIdent(CL_Kind kind) { + bool result = CL_IsKeyword(kind) || kind == CL_IDENTIFIER; + return result; +} + +CL_Token CL_NullToken; +CL_INLINE CL_Token *CL_Next(CL_Tokens *tokens) { + if (tokens->count > 0) { + CL_Token *result = tokens->data; + tokens->data += 1; + tokens->count -= 1; + return result; + } + return &CL_NullToken; +} + +CL_INLINE CL_Token *CL_Get(CL_Tokens *tokens) { + if (tokens->count > 0) { + return tokens->data; + } + return &CL_NullToken; +} + +CL_INLINE CL_Token *CL_Match(CL_Tokens *tokens, CL_Kind kind) { + CL_Token *result = CL_Get(tokens); + if (result->kind == kind) { + CL_Token *next = CL_Next(tokens); + return next; + } + return 0; +} + +CL_INLINE CL_Token *CL_MatchIdentifier(CL_Tokens *tokens, char *str) { + CL_Token *result = CL_Get(tokens); + if (CL_IsIdentifier(result, str)) { + CL_Token *next = CL_Next(tokens); + return next; + } + return 0; +} + +#endif // CL_HEADER + +#ifdef CL_IMPLEMENTATION + +#include + +#ifndef CL_STRING_TO_DOUBLE + #include + #define CL_STRING_TO_DOUBLE(str, len) strtod(str, 0) +#endif + +#ifndef CL_ASSERT + #include + #define CL_ASSERT(x) assert(x) +#endif + +#ifndef CL_VSNPRINTF + #include + #define CL_VSNPRINTF vsnprintf +#endif + +#ifndef CL_SNPRINTF + #include + #define CL_SNPRINTF snprintf +#endif + +#ifndef CL_ReadFile + #define CL_ReadFile CL__ReadFile + #include +CL_PRIVATE_FUNCTION char *CL_ReadFile(CL_Arena *arena, char *name) { + char *result = 0; + FILE *f = fopen(name, "rb"); + if (f) { + fseek(f, 0, SEEK_END); + int len = ftell(f); + fseek(f, 0, SEEK_SET); + + result = (char *)CL_PushSize(arena, len + 1); + fread(result, len, 1, f); + fclose(f); + result[len] = 0; + } + + return result; +} +#endif + +#ifndef CL_FileExists + #define CL_FileExists CL__FileExists + #include +CL_API_FUNCTION bool CL_FileExists(char *name) { + bool result = false; + FILE *f = fopen(name, "rb"); + if (f) { + result = true; + fclose(f); + } + return result; +} +#endif + +#ifndef CL__HASH_BYTES + #define CL__HASH_BYTES CL__HashBytes +// FNV HASH (1a?) +static uint64_t CL__HashBytes(void *p, int bytes) { + uint8_t *p8 = (uint8_t *)p; + uint64_t hash = (uint64_t)14695981039346656037ULL; + for (int i = 0; i < bytes; i++) { + hash = hash ^ (uint64_t)(p8[i]); + hash = hash * (uint64_t)1099511628211ULL; + } + return hash; +} +#endif + +#ifndef CL_CUSTOM_ARENA_TYPE +CL_PRIVATE_FUNCTION void *CL_PushSize(CL_Arena *arena, int size) { + if (arena->len + size > arena->cap) { + CL_ASSERT(!"CLEX: Not enough memory"); + } + void *result = arena->buff + arena->len; + arena->len += size; + return result; +} +#endif + +#ifdef __cplusplus + #define CL_ZeroStruct() \ + {} +#else + #define CL_ZeroStruct() \ + { 0 } +#endif + +CL_PRIVATE_FUNCTION void CL__MemoryZero(void *p, size_t size) { + uint8_t *p8 = (uint8_t *)p; + while (size--) *p8++ = 0; +} + +CL_PRIVATE_FUNCTION void CL__MemoryCopy(void *dst, const void *src, size_t size) { + char *src8 = (char *)src; + char *dst8 = (char *)dst; + while (size--) *dst8++ = *src8++; +} + +#define CL_PushArray(arena, T, size) (T *)CL__PushSizeZeroed(arena, sizeof(T) * (size)) +#define CL_PushStruct(arena, T) CL_PushArray(arena, T, 1) +CL_PRIVATE_FUNCTION void *CL__PushSizeZeroed(CL_Arena *arena, int size) { + void *result = CL_PushSize(arena, size); + CL__MemoryZero(result, size); + return result; +} + +/*# +print("\nchar *CL_FixString[] = {") +for i in meta.fix: print(f""" "{i if i != "FIX_NONE" else ""}", """) +print("};") +meta.gen_enum(meta.tokens, table_name="CL_KindString", table=True) +meta.gen_enum(meta.message_kinds, table_name="CL_MessageKindString", table=True) +*/ + +char *CL_FixString[] = { + "", + "SUFFIX_U", + "SUFFIX_UL", + "SUFFIX_ULL", + "SUFFIX_L", + "SUFFIX_LL", + "SUFFIX_F", + "SUFFIX_FL", + "PREFIX_U8", + "PREFIX_U16", + "PREFIX_U32", + "PREFIX_L", +}; + +char *CL_KindString[] = { + "EOF", + "*", + "/", + "%", + "<<", + ">>", + "+", + "-", + "==", + "<", + ">", + "<=", + ">=", + "!=", + "&", + "|", + "^", + "&&", + "||", + "~", + "!", + "--", + "++", + "--", + "++", + "=", + "/=", + "*=", + "%=", + "-=", + "+=", + "&=", + "|=", + "^=", + "<<=", + ">>=", + "(", + ")", + "{", + "}", + "[", + "]", + ",", + "##", + "#Stringify", + "?", + "...", + ";", + ".", + ":", + "TAG", + "->", + "SIZEOF", + "DOCCOMMENT", + "COMMENT", + "IDENTIFIER", + "STRING_LITERAL", + "CHARACTER_LITERAL", + "ERROR TOKEN", + "FLOAT", + "INT", + "PREPROC_NULL", + "PREPROC_DEFINE", + "PREPROC_IFDEF", + "PREPROC_IFNDEF", + "PREPROC_INCLUDE", + "PREPROC_ENDIF", + "PREPROC_IF", + "PREPROC_PRAGMA", + "PREPROC_ERROR", + "PREPROC_ELSE", + "PREPROC_ELIF", + "PREPROC_UNDEF", + "KEYWORD_VOID", + "KEYWORD_INT", + "KEYWORD_CHAR", + "KEYWORD_UNSIGNED", + "KEYWORD_SIGNED", + "KEYWORD_LONG", + "KEYWORD_SHORT", + "KEYWORD_DOUBLE", + "KEYWORD_FLOAT", + "KEYWORD__BOOL", + "KEYWORD__COMPLEX", + "KEYWORD__IMAGINARY", + "KEYWORD_STATIC", + "KEYWORD_AUTO", + "KEYWORD_CONST", + "KEYWORD_EXTERN", + "KEYWORD_INLINE", + "KEYWORD_REGISTER", + "KEYWORD_RESTRICT", + "KEYWORD_VOLATILE", + "KEYWORD__THREAD_LOCAL", + "KEYWORD__ATOMIC", + "KEYWORD__NORETURN", + "KEYWORD_STRUCT", + "KEYWORD_UNION", + "KEYWORD_ENUM", + "KEYWORD_TYPEDEF", + "KEYWORD_DEFAULT", + "KEYWORD_BREAK", + "KEYWORD_RETURN", + "KEYWORD_SWITCH", + "KEYWORD_IF", + "KEYWORD_ELSE", + "KEYWORD_FOR", + "KEYWORD_WHILE", + "KEYWORD_CASE", + "KEYWORD_CONTINUE", + "KEYWORD_DO", + "KEYWORD_GOTO", + "KEYWORD_SIZEOF", + "KEYWORD__ALIGNAS", + "KEYWORD__ALIGNOF", + "KEYWORD__STATIC_ASSERT", + "KEYWORD__GENERIC", +}; + +char *CL_MessageKindString[] = { + "ERROR", + "WARNING", + "TRACE", +}; +/*END*/ + +#define CL_DLL_QUEUE_ADD_MOD(f, l, node, next, prev) \ + do { \ + if ((f) == 0) { \ + (f) = (l) = (node); \ + (node)->prev = 0; \ + (node)->next = 0; \ + } \ + else { \ + (l)->next = (node); \ + (node)->prev = (l); \ + (node)->next = 0; \ + (l) = (node); \ + } \ + } while (0) +#define CL_DLL_QUEUE_ADD(f, l, node) CL_DLL_QUEUE_ADD_MOD(f, l, node, next, prev) + +#define CL_SLL_QUEUE_ADD_MOD(f, l, n, next) \ + do { \ + (n)->next = 0; \ + if ((f) == 0) { \ + (f) = (l) = (n); \ + } \ + else { \ + (l) = (l)->next = (n); \ + } \ + } while (0) +#define CL_SLL_QUEUE_ADD(f, l, n) CL_SLL_QUEUE_ADD_MOD(f, l, n, next) + +#define CL__FORMAT(arena, string, result) \ + va_list args1, args2; \ + va_start(args1, string); \ + va_copy(args2, args1); \ + int len = CL_VSNPRINTF(0, 0, string, args2); \ + va_end(args2); \ + char *result = (char *)CL_PushSize((arena), len + 1); \ + CL_VSNPRINTF(result, len + 1, string, args1); \ + va_end(args1) + +CL_API_FUNCTION void CL_ReportError(CL_LexResult *T, CL_Token *token, const char *string, ...) { + CL__FORMAT(T->arena->other, string, message_string); + CL_Message *result = CL_PushStruct(T->arena->other, CL_Message); + result->kind = CLM_ERROR; + result->string = (char *)string; + CL_SLL_QUEUE_ADD(T->first_message, T->last_message, result); + result->token = *token; + T->errors += 1; + token->kind = CL_ERROR; + token->error = result; +#if TEST_DEBUG + printf("%s:%d %s\n", token->file, token->line, string); + __debugbreak(); +#endif +} + +CL_PRIVATE_FUNCTION char *CL_PushStringCopy(CL_Arena *arena, char *p, int size) { + char *copy_buffer = (char *)CL_PushSize(arena, size + 1); + CL__MemoryCopy(copy_buffer, p, size); + copy_buffer[size] = 0; + return copy_buffer; +} + +CL_PRIVATE_FUNCTION CL_Token *CL_CopyToken(CL_Arena *arena, CL_Token *token) { + CL_Token *copy_buffer = (CL_Token *)CL_PushSize(arena, sizeof(CL_Token)); + CL__MemoryCopy(copy_buffer, token, sizeof(CL_Token)); + return copy_buffer; +} + +CL_API_FUNCTION void CL_StringifyMessage(char *buff, int buff_size, CL_Message *msg) { + char *kind = CL_MessageKindString[msg->kind]; + CL_SNPRINTF(buff, buff_size, "%s:%d %15s %15s", msg->token.file, msg->token.line, kind, msg->string); +} + +CL_API_FUNCTION void CL_Stringify(char *buff, int buff_size, CL_Token *token) { + char *token_kind = "UNKNOWN"; + if (token->kind < CL_COUNT) token_kind = CL_KindString[token->kind]; + CL_SNPRINTF(buff, buff_size, "%s:%d %15s %15.*s", token->file, token->line, token_kind, token->len, token->str); +} + +CL_API_FUNCTION void CL_PrintMessages(CL_LexResult *lex_result) { + char buff[1024]; + for (CL_Message *it = lex_result->first_message; it; it = it->next) { + CL_StringifyMessage(buff, sizeof(buff), it); + printf("%s\n", buff); + } +} + +CL_API_FUNCTION void CL_PrintTokens(CL_Tokens tokens) { + char buff[1024]; + for (int i = 0; i < tokens.count; i += 1) { + CL_Stringify(buff, sizeof(buff), &tokens.data[i]); + printf("%s\n", buff); + } +} + +CL_INLINE void CL_Advance(CL_LexResult *T) { + if (*T->stream == '\n') { + T->line += 1; + T->column = 0; + } + else if (*T->stream == ' ') { + T->column += 1; + } + else if (*T->stream == '\t') { + T->column += 1; + } + else if (*T->stream == 0) { + return; + } + T->stream += 1; +} + +CL_INLINE bool CL_IsAlphabetic(char c) { + bool result = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); + return result; +} + +CL_INLINE bool CL_IsNumeric(char c) { + bool result = (c >= '0' && c <= '9'); + return result; +} + +CL_INLINE bool CL_IsHexNumeric(char c) { + bool result = (c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'); + return result; +} + +CL_INLINE bool CL_IsWhitespace(char c) { + bool result = c == ' ' || c == '\n' || c == '\r' || c == '\t'; + return result; +} + +CL_INLINE bool CL_IsAlphanumeric(char c) { + bool result = CL_IsAlphabetic(c) || CL_IsNumeric(c); + return result; +} + +CL_API_FUNCTION bool CL_EatWhitespace(CL_LexResult *T) { + bool skipped = false; + for (;;) { + if (CL_IsWhitespace(*T->stream)) { + if (*T->stream == '\n') T->inside_of_macro = false; + CL_Advance(T); + skipped = true; + } + else if (T->stream[0] == '\\' && T->stream[1] == '\n') { + CL_Advance(T); + CL_Advance(T); + skipped = true; + } + else if (T->stream[0] == '\\' && T->stream[1] == '\r' && T->stream[2] == '\n') { + CL_Advance(T); + CL_Advance(T); + CL_Advance(T); + skipped = true; + } + else { + break; + } + } + return skipped; +} + +CL_API_FUNCTION void CL_SetTokenLength(CL_LexResult *T, CL_Token *token) { + intptr_t diff = T->stream - token->str; + CL_ASSERT(diff < 2147483647); + token->len = (int)diff; +} + +CL_API_FUNCTION void CL_TryToFinalizeToken(CL_LexResult *T, CL_Token *token) { + for (; T->attached_comment_index < T->comments.count; T->attached_comment_index += 1) { + CL_Token *it = T->comments.data + T->attached_comment_index; + it->comment_is_attached_to_token = token; + } + if (!token->len) { + CL_SetTokenLength(T, token); + } + if (T->inside_of_macro) { + token->flags |= CL_INSIDE_OF_MACRO; + } +} + +CL_PRIVATE_FUNCTION uint64_t CL_CharMapToNumber(char c) { + switch (c) { + case '0': return 0; break; + case '1': return 1; break; + case '2': return 2; break; + case '3': return 3; break; + case '4': return 4; break; + case '5': return 5; break; + case '6': return 6; break; + case '7': return 7; break; + case '8': return 8; break; + case '9': return 9; break; + case 'a': + case 'A': return 10; break; + case 'b': + case 'B': return 11; break; + case 'c': + case 'C': return 12; break; + case 'd': + case 'D': return 13; break; + case 'e': + case 'E': return 14; break; + case 'f': + case 'F': return 15; break; + default: return 255; + } +} + +CL_PRIVATE_FUNCTION uint64_t CL_ParseInteger(CL_LexResult *T, CL_Token *token, char *string, uint64_t len, uint64_t base) { + CL_ASSERT(base >= 2 && base <= 16); + uint64_t acc = 0; + for (uint64_t i = 0; i < len; i++) { + uint64_t num = CL_CharMapToNumber(string[i]); + if (num >= base) { + CL_ReportError(T, token, "Internal compiler error! Failed to parse a number"); + break; + } + acc *= base; + acc += num; + } + return acc; +} + +typedef struct CL_UTF32Result { + uint32_t out_str; + int advance; + int error; +} CL_UTF32Result; + +CL_PRIVATE_FUNCTION CL_UTF32Result CL_UTF8ToUTF32(char *c, int max_advance) { + CL_UTF32Result result = CL_ZeroStruct(); + + if ((c[0] & 0x80) == 0) { // Check if leftmost zero of first byte is unset + if (max_advance >= 1) { + result.out_str = c[0]; + result.advance = 1; + } + else result.error = 1; + } + + else if ((c[0] & 0xe0) == 0xc0) { + if ((c[1] & 0xc0) == 0x80) { // Continuation byte required + if (max_advance >= 2) { + result.out_str = (uint32_t)(c[0] & 0x1f) << 6u | (c[1] & 0x3f); + result.advance = 2; + } + else result.error = 2; + } + else result.error = 2; + } + + else if ((c[0] & 0xf0) == 0xe0) { + if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80) { // Two continuation bytes required + if (max_advance >= 3) { + result.out_str = (uint32_t)(c[0] & 0xf) << 12u | (uint32_t)(c[1] & 0x3f) << 6u | (c[2] & 0x3f); + result.advance = 3; + } + else result.error = 3; + } + else result.error = 3; + } + + else if ((c[0] & 0xf8) == 0xf0) { + if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80 && (c[3] & 0xc0) == 0x80) { // Three continuation bytes required + if (max_advance >= 4) { + result.out_str = (uint32_t)(c[0] & 0xf) << 18u | (uint32_t)(c[1] & 0x3f) << 12u | (uint32_t)(c[2] & 0x3f) << 6u | (uint32_t)(c[3] & 0x3f); + result.advance = 4; + } + else result.error = 4; + } + else result.error = 4; + } + else result.error = 4; + + return result; +} + +// @todo I think I should look at this again +CL_API_FUNCTION void CL_ParseCharLiteral(CL_LexResult *T, CL_Token *token) { + token->kind = CL_CHARLIT; + token->str = T->stream; + while (*T->stream != '\'') { + if (*T->stream == '\\') { + CL_Advance(T); + } + if (*T->stream == 0) { + CL_ReportError(T, token, "Unclosed character literal!"); + return; + } + CL_Advance(T); + } + CL_SetTokenLength(T, token); + + if (token->str[0] == '\\') { + switch (token->str[1]) { + case '\\': token->u64 = '\\'; break; + case '\'': token->u64 = '\''; break; + case '"': token->u64 = '"'; break; + case 't': token->u64 = '\t'; break; + case 'v': token->u64 = '\v'; break; + case 'f': token->u64 = '\f'; break; + case 'n': token->u64 = '\n'; break; + case 'r': token->u64 = '\r'; break; + case 'a': token->u64 = '\a'; break; + case 'b': token->u64 = '\b'; break; + case '0': + token->u64 = '\0'; + break; + // Octal constant + case 'x': + case 'X': CL_ASSERT(0); break; // Hex constant + case 'u': CL_ASSERT(0); break; // Unicode constant + default: { + CL_ReportError(T, token, "Unknown escape code"); + } + } + } + + else { + if (token->len > 4) { + CL_ReportError(T, token, "This character literal has invalid format, it's too big"); + goto skip_utf_encode; + } + + token->u64 = 0; + int i = 0; + + for (; i < token->len;) { + CL_UTF32Result result = CL_UTF8ToUTF32(token->str + i, (int)token->len); + i += result.advance; + token->u64 |= result.out_str << (8 * (token->len - i)); + if (result.error) { + CL_ReportError(T, token, "This character literal couldnt be parsed as utf8"); + break; + } + } + if (i != token->len) { + CL_ReportError(T, token, "Character literal decode error"); + } + } + +skip_utf_encode: + CL_Advance(T); +} + +CL_PRIVATE_FUNCTION void CL_BufferWrite(char *buffer, int buffer_size, int *buffer_iter, char write) { + if (*buffer_iter < buffer_size) { + buffer[*buffer_iter] = write; + *buffer_iter += 1; + } +} + +// @todo I think I should look at this again +// Idea: Maybe try to figure out size first and then write the string +CL_API_FUNCTION void CL_ParseString(CL_LexResult *T, CL_Token *token) { + // @todo String builder here, we dont really want 4096 character limit + int buffer_iter = 0; + int buffer_size = 4096; + char buffer[4096]; + + token->kind = CL_STRINGLIT; + // First we try to parse the string normally, we write contents to scratch memory. + // Afterwards we try to seek if there are more consecutive strings. As the speak + // says, those are one string, so we combine them nicely. Then after we have written + // everything to the scratch buffer. We make a proper tight copy on the pernament + // allocator. +combine_next_string_literal: + while (*T->stream != '"' && *T->stream != 0 && *T->stream != '\n') { + if (*T->stream == '\\') { + CL_Advance(T); + switch (*T->stream) { + case '\\': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\\'); break; + case '\'': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\''); break; + case '"': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '"'); break; + case 't': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\t'); break; + case 'f': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\f'); break; + case 'n': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\n'); break; + case 'v': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\v'); break; + case 'r': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\r'); break; + case 'a': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\a'); break; + case 'b': CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\b'); break; + case '0': + CL_BufferWrite(buffer, buffer_size, &buffer_iter, '\0'); + break; + + // Octal constant + case 'x': + case 'X': CL_ASSERT(0); break; // Hex constant + case 'u': CL_ASSERT(0); break; // Unicode constant + } + } + else { + CL_BufferWrite(buffer, buffer_size, &buffer_iter, *T->stream); + } + + CL_Advance(T); + } + CL_Advance(T); + + // Try to seek if there is a consecutive string. + // If there is such string we try to combine it. + char *seek_for_next_string = T->stream; + while (CL_IsWhitespace(*seek_for_next_string)) { + seek_for_next_string += 1; + } + + if (*seek_for_next_string == '"') { + seek_for_next_string += 1; + while (T->stream != seek_for_next_string) CL_Advance(T); + goto combine_next_string_literal; + } + + int len = buffer_iter + 1; + if (len > buffer_size) { + len = buffer_size; + CL_ReportError(T, token, "Truncated string! Reached 4096 character limit for string literal."); + } + + token->string_literal = CL_PushStringCopy(T->arena->other, buffer, len); +} + +CL_API_FUNCTION void CL_IsIdentifierKeyword(CL_LexResult *ctx, CL_Token *token) { + if (token->len == 1) return; + char *c = token->str; + /*import meta +meta.gen_lex_keywords()*/ + switch (c[0]) { + case 'v': { + switch (c[1]) { + case 'o': { + if (CL_StringsAreEqual(token->str, token->len, "void", 4)) { + token->kind = CL_KEYWORD_VOID; + } + else if (CL_StringsAreEqual(token->str, token->len, "volatile", 8)) { + token->kind = CL_KEYWORD_VOLATILE; + } + } break; + } + } break; + case 'i': { + switch (c[1]) { + case 'n': { + if (CL_StringsAreEqual(token->str, token->len, "int", 3)) { + token->kind = CL_KEYWORD_INT; + } + else if (CL_StringsAreEqual(token->str, token->len, "inline", 6)) { + token->kind = CL_KEYWORD_INLINE; + } + } break; + case 'f': { + if (CL_StringsAreEqual(token->str, token->len, "if", 2)) { + token->kind = CL_KEYWORD_IF; + } + } break; + } + } break; + case 'c': { + switch (c[1]) { + case 'h': { + if (CL_StringsAreEqual(token->str, token->len, "char", 4)) { + token->kind = CL_KEYWORD_CHAR; + } + } break; + case 'o': { + if (CL_StringsAreEqual(token->str, token->len, "const", 5)) { + token->kind = CL_KEYWORD_CONST; + } + else if (CL_StringsAreEqual(token->str, token->len, "continue", 8)) { + token->kind = CL_KEYWORD_CONTINUE; + } + } break; + case 'a': { + if (CL_StringsAreEqual(token->str, token->len, "case", 4)) { + token->kind = CL_KEYWORD_CASE; + } + } break; + } + } break; + case 'u': { + switch (c[1]) { + case 'n': { + if (CL_StringsAreEqual(token->str, token->len, "unsigned", 8)) { + token->kind = CL_KEYWORD_UNSIGNED; + } + else if (CL_StringsAreEqual(token->str, token->len, "union", 5)) { + token->kind = CL_KEYWORD_UNION; + } + } break; + } + } break; + case 's': { + switch (c[1]) { + case 'i': { + if (CL_StringsAreEqual(token->str, token->len, "signed", 6)) { + token->kind = CL_KEYWORD_SIGNED; + } + else if (CL_StringsAreEqual(token->str, token->len, "sizeof", 6)) { + token->kind = CL_KEYWORD_SIZEOF; + } + } break; + case 'h': { + if (CL_StringsAreEqual(token->str, token->len, "short", 5)) { + token->kind = CL_KEYWORD_SHORT; + } + } break; + case 't': { + if (CL_StringsAreEqual(token->str, token->len, "static", 6)) { + token->kind = CL_KEYWORD_STATIC; + } + else if (CL_StringsAreEqual(token->str, token->len, "struct", 6)) { + token->kind = CL_KEYWORD_STRUCT; + } + } break; + case 'w': { + if (CL_StringsAreEqual(token->str, token->len, "switch", 6)) { + token->kind = CL_KEYWORD_SWITCH; + } + } break; + } + } break; + case 'l': { + switch (c[1]) { + case 'o': { + if (CL_StringsAreEqual(token->str, token->len, "long", 4)) { + token->kind = CL_KEYWORD_LONG; + } + } break; + } + } break; + case 'd': { + switch (c[1]) { + case 'o': { + if (CL_StringsAreEqual(token->str, token->len, "double", 6)) { + token->kind = CL_KEYWORD_DOUBLE; + } + else if (CL_StringsAreEqual(token->str, token->len, "do", 2)) { + token->kind = CL_KEYWORD_DO; + } + } break; + case 'e': { + if (CL_StringsAreEqual(token->str, token->len, "default", 7)) { + token->kind = CL_KEYWORD_DEFAULT; + } + } break; + } + } break; + case 'f': { + switch (c[1]) { + case 'l': { + if (CL_StringsAreEqual(token->str, token->len, "float", 5)) { + token->kind = CL_KEYWORD_FLOAT; + } + } break; + case 'o': { + if (CL_StringsAreEqual(token->str, token->len, "for", 3)) { + token->kind = CL_KEYWORD_FOR; + } + } break; + } + } break; + case '_': { + switch (c[1]) { + case 'B': { + if (CL_StringsAreEqual(token->str, token->len, "_Bool", 5)) { + token->kind = CL_KEYWORD__BOOL; + } + } break; + case 'C': { + if (CL_StringsAreEqual(token->str, token->len, "_Complex", 8)) { + token->kind = CL_KEYWORD__COMPLEX; + } + } break; + case 'I': { + if (CL_StringsAreEqual(token->str, token->len, "_Imaginary", 10)) { + token->kind = CL_KEYWORD__IMAGINARY; + } + } break; + case 'T': { + if (CL_StringsAreEqual(token->str, token->len, "_Thread_local", 13)) { + token->kind = CL_KEYWORD__THREAD_LOCAL; + } + } break; + case 'A': { + if (CL_StringsAreEqual(token->str, token->len, "_Atomic", 7)) { + token->kind = CL_KEYWORD__ATOMIC; + } + else if (CL_StringsAreEqual(token->str, token->len, "_Alignas", 8)) { + token->kind = CL_KEYWORD__ALIGNAS; + } + else if (CL_StringsAreEqual(token->str, token->len, "_Alignof", 8)) { + token->kind = CL_KEYWORD__ALIGNOF; + } + } break; + case 'N': { + if (CL_StringsAreEqual(token->str, token->len, "_Noreturn", 9)) { + token->kind = CL_KEYWORD__NORETURN; + } + } break; + case 'S': { + if (CL_StringsAreEqual(token->str, token->len, "_Static_assert", 14)) { + token->kind = CL_KEYWORD__STATIC_ASSERT; + } + } break; + case 'G': { + if (CL_StringsAreEqual(token->str, token->len, "_Generic", 8)) { + token->kind = CL_KEYWORD__GENERIC; + } + } break; + } + } break; + case 'a': { + switch (c[1]) { + case 'u': { + if (CL_StringsAreEqual(token->str, token->len, "auto", 4)) { + token->kind = CL_KEYWORD_AUTO; + } + } break; + } + } break; + case 'e': { + switch (c[1]) { + case 'x': { + if (CL_StringsAreEqual(token->str, token->len, "extern", 6)) { + token->kind = CL_KEYWORD_EXTERN; + } + } break; + case 'n': { + if (CL_StringsAreEqual(token->str, token->len, "enum", 4)) { + token->kind = CL_KEYWORD_ENUM; + } + } break; + case 'l': { + if (CL_StringsAreEqual(token->str, token->len, "else", 4)) { + token->kind = CL_KEYWORD_ELSE; + } + } break; + } + } break; + case 'r': { + switch (c[1]) { + case 'e': { + if (CL_StringsAreEqual(token->str, token->len, "register", 8)) { + token->kind = CL_KEYWORD_REGISTER; + } + else if (CL_StringsAreEqual(token->str, token->len, "restrict", 8)) { + token->kind = CL_KEYWORD_RESTRICT; + } + else if (CL_StringsAreEqual(token->str, token->len, "return", 6)) { + token->kind = CL_KEYWORD_RETURN; + } + } break; + } + } break; + case 't': { + switch (c[1]) { + case 'y': { + if (CL_StringsAreEqual(token->str, token->len, "typedef", 7)) { + token->kind = CL_KEYWORD_TYPEDEF; + } + } break; + } + } break; + case 'b': { + switch (c[1]) { + case 'r': { + if (CL_StringsAreEqual(token->str, token->len, "break", 5)) { + token->kind = CL_KEYWORD_BREAK; + } + } break; + } + } break; + case 'w': { + switch (c[1]) { + case 'h': { + if (CL_StringsAreEqual(token->str, token->len, "while", 5)) { + token->kind = CL_KEYWORD_WHILE; + } + } break; + } + } break; + case 'g': { + switch (c[1]) { + case 'o': { + if (CL_StringsAreEqual(token->str, token->len, "goto", 4)) { + token->kind = CL_KEYWORD_GOTO; + } + } break; + } + } break; + } + /*END*/ +} + +CL_API_FUNCTION void CL_LexMacroInclude(CL_LexResult *T, CL_Token *token) { + token->kind = CL_PREPROC_INCLUDE; + while (*T->stream == ' ') CL_Advance(T); + char end = 0; + if (*T->stream == '"') { + end = '"'; + } + else if (*T->stream == '<') { + end = '>'; + token->flags |= CL_SYSTEM_INCLUDE; + } + else { + CL_ReportError(T, token, "Invalid include directive, file not specified"); + return; + } + CL_Advance(T); + + token->str = T->stream; + while (*T->stream != end) { + if (*T->stream == 0) { + CL_ReportError(T, token, "Invalid include directive, reached end of file while reading filename"); + } + if (*T->stream == '\n') { + CL_ReportError(T, token, "Invalid include directive filename, got newline character while reading filename"); + } + CL_Advance(T); + } + CL_SetTokenLength(T, token); + CL_Advance(T); + + token->str = CL_PushStringCopy(T->arena->other, token->str, token->len); + + CL_Token *include_list_item = CL_CopyToken(T->arena->include, token); + T->includes.count += 1; + if (T->includes.data == 0) T->includes.data = include_list_item; +} + +CL_API_FUNCTION bool CL_LexMacro(CL_LexResult *T, CL_Token *token) { + while (*T->stream == ' ' || T->stream[0] == '\t') CL_Advance(T); + token->str = T->stream; + while (CL_IsAlphabetic(*T->stream)) CL_Advance(T); + CL_SetTokenLength(T, token); + + /*import meta + meta.gen_lex_preproc_keywords() Need to add END*/ + switch (*token->str) { + case 'd': + if (CL_StringsAreEqual(token->str, token->len, "define", 6)) { + token->kind = CL_PREPROC_DEFINE; + } + break; + + case 'i': + if (CL_StringsAreEqual(token->str, token->len, "ifdef", 5)) { + token->kind = CL_PREPROC_IFDEF; + } + else if (CL_StringsAreEqual(token->str, token->len, "ifndef", 6)) { + token->kind = CL_PREPROC_IFNDEF; + } + else if (CL_StringsAreEqual(token->str, token->len, "include", 7)) { + token->kind = CL_PREPROC_INCLUDE; + CL_LexMacroInclude(T, token); + } + else if (CL_StringsAreEqual(token->str, token->len, "if", 2)) { + token->kind = CL_PREPROC_IF; + } + break; + + case 'e': + if (CL_StringsAreEqual(token->str, token->len, "endif", 5)) { + token->kind = CL_PREPROC_ENDIF; + } + else if (CL_StringsAreEqual(token->str, token->len, "error", 5)) { + token->kind = CL_PREPROC_ERROR; + } + else if (CL_StringsAreEqual(token->str, token->len, "else", 4)) { + token->kind = CL_PREPROC_ELSE; + } + else if (CL_StringsAreEqual(token->str, token->len, "elif", 4)) { + token->kind = CL_PREPROC_ELIF; + } + break; + + case 'p': + if (CL_StringsAreEqual(token->str, token->len, "pragma", 6)) { + token->kind = CL_PREPROC_PRAGMA; + } + break; + + case 'u': + if (CL_StringsAreEqual(token->str, token->len, "undef", 5)) { + token->kind = CL_PREPROC_UNDEF; + } + break; + default: return false; + } + return true; +} + +CL_API_FUNCTION void CL_InitLexResult(CL_LexResult *T, CL_ArenaTuple *arena, char *filename, char *filecontent) { + CL__MemoryZero(T, sizeof(CL_LexResult)); + T->arena = arena; + T->stream = filecontent; + T->stream_begin = filecontent; + T->file = filename; +} + +CL_API_FUNCTION CL_LexResult *CL_CreateLexingResult(CL_ArenaTuple *arena, char *filename, char *filecontent) { + CL_LexResult *T = CL_PushStruct(arena->other, CL_LexResult); + CL_InitLexResult(T, arena, filename, filecontent); + return T; +} + +// Skipped space here is for case #define Memes (a), this is not a function like macro because of space +static uint32_t CL_TokenID; // @todo: make it stable, thread local? +CL_API_FUNCTION void CL_PrepareToken(CL_LexResult *T, CL_Token *token, bool skipped_space) { + CL__MemoryZero(token, sizeof(*token)); + token->str = T->stream; + token->line = T->line; + token->column = T->column; + token->file = T->file; + token->id = ++CL_TokenID; + if (skipped_space) token->flags |= CL_WHITESPACE_BEFORE_TOKEN; + CL_Advance(T); +} + +CL_API_FUNCTION void CL_DefaultTokenize(CL_LexResult *T, CL_Token *token) { + char *c = token->str; + switch (*c) { + case 0: break; + case '(': token->kind = CL_OPENPAREN; break; + case ')': token->kind = CL_CLOSEPAREN; break; + case '{': token->kind = CL_OPENBRACE; break; + case '}': token->kind = CL_CLOSEBRACE; break; + case '[': token->kind = CL_OPENBRACKET; break; + case ']': token->kind = CL_CLOSEBRACKET; break; + case ',': token->kind = CL_COMMA; break; + case '~': token->kind = CL_NEG; break; + case '?': token->kind = CL_QUESTION; break; + case ';': token->kind = CL_SEMICOLON; break; + case '.': { + token->kind = CL_DOT; + if (T->stream[0] == '.' && T->stream[1] == '.') { + CL_Advance(T); + CL_Advance(T); + token->kind = CL_THREEDOTS; + } + } break; + case ':': { + token->kind = CL_COLON; + // if (*T->stream == '>') { // Digraph :> = } + // token->kind = CL_CLOSEBRACKET; + // CL_Advance(T); + // } + } break; + case '/': { + token->kind = CL_DIV; + if (*T->stream == '/') { + token->kind = CL_COMMENT; + CL_Advance(T); + + while (*T->stream != '\n' && *T->stream != 0) { + CL_Advance(T); + } + CL_SetTokenLength(T, token); + + CL_Token *comment_token = CL_CopyToken(T->arena->comment, token); + if (T->comments.data == 0) T->comments.data = comment_token; + T->comments.count += 1; + } + else if (*T->stream == '*') { + token->kind = CL_COMMENT; + CL_Advance(T); + for (;;) { + if (T->stream[0] == '*' && T->stream[1] == '/') { + break; + } + if (T->stream[0] == 0) { + CL_ReportError(T, token, "Unclosed block comment"); + goto error_end_path; + } + CL_Advance(T); + } + token->str += 2; + CL_SetTokenLength(T, token); + CL_Advance(T); + CL_Advance(T); + + CL_Token *comment_token = CL_CopyToken(T->arena->comment, token); + if (T->comments.data == 0) T->comments.data = comment_token; + T->comments.count += 1; + } + else if (*T->stream == '=') { + token->kind = CL_DIVASSIGN; + CL_Advance(T); + } + } break; + case '#': { + if (*T->stream == '#') { + token->kind = CL_MACRO_CONCAT; + CL_Advance(T); + } + else { + bool is_macro_directive = CL_LexMacro(T, token); + if (is_macro_directive) { + T->inside_of_macro = true; + } + else { + if (!T->inside_of_macro) { + CL_ReportError(T, token, "Invalid preprocessor directive"); + goto error_end_path; + } + + token->kind = CL_PREPROC_STRINGIFY; + token->str = T->stream; + while (*T->stream == '_' || CL_IsAlphanumeric(*T->stream)) + CL_Advance(T); + CL_SetTokenLength(T, token); + } + } + } break; + case '>': { + if (*T->stream == '=') { + token->kind = CL_GREATERTHEN_OR_EQUAL; + CL_Advance(T); + } + else if (*T->stream == '>') { + CL_Advance(T); + if (*T->stream == '=') { + CL_Advance(T); + token->kind = CL_RIGHTSHIFTASSIGN; + } + else { + token->kind = CL_RIGHTSHIFT; + } + } + else { + token->kind = CL_GREATERTHEN; + } + } break; + case '<': { + token->kind = CL_LESSERTHEN; + if (*T->stream == '=') { + token->kind = CL_LESSERTHEN_OR_EQUAL; + CL_Advance(T); + } + else if (*T->stream == '<') { + CL_Advance(T); + if (*T->stream == '=') { + CL_Advance(T); + token->kind = CL_LEFTSHIFTASSIGN; + } + else { + token->kind = CL_LEFTSHIFT; + } + } + } break; + case '&': { + if (*T->stream == '=') { + token->kind = CL_ANDASSIGN; + CL_Advance(T); + } + else if (*T->stream == '&') { + token->kind = CL_AND; + CL_Advance(T); + } + else { + token->kind = CL_BITAND; + } + } break; + case '-': { + if (*T->stream == '-') { + token->kind = CL_DECREMENT; + CL_Advance(T); + } + else if (*T->stream == '=') { + token->kind = CL_SUBASSIGN; + CL_Advance(T); + } + else { + token->kind = CL_SUB; + } + } break; + case '+': { + if (*T->stream == '+') { + token->kind = CL_INCREMENT; + CL_Advance(T); + } + else if (*T->stream == '=') { + token->kind = CL_ADDASSIGN; + CL_Advance(T); + } + else { + token->kind = CL_ADD; + } + } break; + case '|': { + if (*T->stream == '|') { + token->kind = CL_OR; + CL_Advance(T); + } + else if (*T->stream == '=') { + token->kind = CL_ORASSIGN; + CL_Advance(T); + } + else { + token->kind = CL_BITOR; + } + } break; + case '=': { + if (*T->stream != '=') { + token->kind = CL_ASSIGN; + } + else { + CL_Advance(T); + token->kind = CL_EQUALS; + } + } break; + case '!': { + if (*T->stream != '=') { + token->kind = CL_NOT; + } + else { + CL_Advance(T); + token->kind = CL_NOTEQUALS; + } + } break; + case '*': { + token->kind = CL_MUL; + if (*T->stream == '=') { + CL_Advance(T); + token->kind = CL_MULASSIGN; + } + } break; + case '%': { + token->kind = CL_MOD; + if (*T->stream == '=') { + token->kind = CL_MODASSIGN; + CL_Advance(T); + } + // else if (*T->stream == '>') { // Digraph %> == ] + // token->kind = CL_CLOSEBRACE; + // CL_Advance(T); + // token->flags |= CL_DIGRAPH; + // } + // else if (*T->stream == ':') { + // token->flags |= CL_DIGRAPH; + // CL_Advance(T); + // if (T->stream[0] == '%' && T->stream[1] == ':') { // Digraph %:%: == ## + // token->kind = CL_MACRO_CONCAT; + // CL_Advance(T); + // CL_Advance(T); + // } + // else { // Digraph %: == # + // T->inside_of_macro = true; + // CL_Advance(T); + // CL_LexMacro(T, token); + // CL_ASSERT(token->kind); + // } + // } + } break; + case '^': { + token->kind = CL_BITXOR; + if (*T->stream == '=') { + CL_Advance(T); + token->kind = CL_XORASSIGN; + } + } break; + case '"': { + CL_ParseString(T, token); + } break; + case '\'': { + CL_ParseCharLiteral(T, token); + } break; + case 'U': { // @todo Unicode32 + if (*T->stream == '"') { + token->fix = CL_PREFIX_U32; + CL_Advance(T); + CL_ParseString(T, token); + } + else if (*T->stream == '\'') { + token->fix = CL_PREFIX_U32; + CL_Advance(T); + CL_ParseCharLiteral(T, token); + } + else goto parse_regular_char; + } break; + case 'u': { // Unicode16 + if (*T->stream == '8') { // Unicode8 + if (T->stream[1] == '"') { // U8 STRING + token->fix = CL_PREFIX_U8; + CL_Advance(T); + CL_Advance(T); + CL_ParseString(T, token); + } + else if (T->stream[1] == '\'') { // U8 CHAR + token->fix = CL_PREFIX_U8; + CL_Advance(T); + CL_Advance(T); + CL_ParseCharLiteral(T, token); + } + else goto parse_regular_char; + } + else if (*T->stream == '"') { // U16 STRING + token->fix = CL_PREFIX_U16; + CL_Advance(T); + CL_ParseString(T, token); + } + else if (*T->stream == '\'') { // U16 CHAR + CL_Advance(T); + CL_ParseCharLiteral(T, token); + } + else goto parse_regular_char; + } + case 'L': { // Widechar + if (*T->stream == '"') { + token->fix = CL_PREFIX_L; + CL_Advance(T); + CL_ParseString(T, token); // @todo UTF16 + } + else if (*T->stream == '\'') { + token->fix = CL_PREFIX_L; + CL_Advance(T); + CL_ParseCharLiteral(T, token); + } + else goto parse_regular_char; + } break; + case 'A': + case 'a': + case 'B': + case 'b': + case 'C': + case 'c': + case 'D': + case 'd': + case 'E': + case 'e': + case 'F': + case 'f': + case 'G': + case 'g': + case 'H': + case 'h': + case 'I': + case 'i': + case 'J': + case 'j': + case 'K': + case 'k': + /*case 'L':*/ case 'l': + case 'M': + case 'm': + case 'N': + case 'n': + case 'O': + case 'o': + case 'P': + case 'p': + case 'Q': + case 'q': + case 'R': + case 'r': + case 'S': + case 's': + case 'T': + case 't': + // case 'U': case 'u': + case 'V': + case 'v': + case 'W': + case 'w': + case 'X': + case 'x': + case 'Y': + case 'y': + case 'Z': + case 'z': + case '_': + parse_regular_char : { + token->kind = CL_IDENTIFIER; + while (*T->stream == '_' || CL_IsAlphanumeric(*T->stream)) { + CL_Advance(T); + } + CL_SetTokenLength(T, token); + CL_IsIdentifierKeyword(T, token); + } break; + case '0': { + if (*T->stream == 'x' || *T->stream == 'X') { + token->kind = CL_INT; + token->flags |= CL_HEX; + CL_Advance(T); + while (CL_IsHexNumeric(*T->stream)) { + CL_Advance(T); + } + uint64_t len = T->stream - token->str; + CL_ASSERT(len > 2); + token->u64 = CL_ParseInteger(T, token, token->str + 2, len - 2, 16); + break; + } + } + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': { + token->kind = CL_INT; + for (;;) { + if (*T->stream == '.') { + if (token->kind == CL_FLOAT) { + CL_ReportError(T, token, "Failed to parse a floating point number, invalid format, found multiple '.'"); + } + + if (token->kind == CL_INT) { + token->kind = CL_FLOAT; + } + } + else if (CL_IsNumeric(*T->stream) == false) { + break; + } + CL_Advance(T); + } + + if (token->kind == CL_INT) { + uint64_t len = T->stream - token->str; + CL_ASSERT(len > 0); + token->u64 = CL_ParseInteger(T, token, token->str, len, 10); + } + + else if (token->kind == CL_FLOAT) { + token->f64 = CL_STRING_TO_DOUBLE(token->str, token->len); + } + + else { + CL_ASSERT(token->kind == CL_ERROR); + } + + if (*T->stream == 'f' || *T->stream == 'F') { + CL_Advance(T); + token->fix = CL_SUFFIX_F; + } + + else if (*T->stream == 'l' || *T->stream == 'L') { + CL_Advance(T); + token->fix = CL_SUFFIX_L; + if (*T->stream == 'l' || *T->stream == 'L') { + CL_Advance(T); + token->fix = CL_SUFFIX_LL; + if (*T->stream == 'u' || *T->stream == 'U') { + CL_Advance(T); + token->fix = CL_SUFFIX_ULL; + } + } + else if (*T->stream == 'u' || *T->stream == 'U') { + CL_Advance(T); + token->fix = CL_SUFFIX_UL; + } + } + + else if (*T->stream == 'u' || *T->stream == 'U') { + CL_Advance(T); + token->fix = CL_SUFFIX_U; + if (*T->stream == 'l' || *T->stream == 'L') { + CL_Advance(T); + token->fix = CL_SUFFIX_UL; + if (*T->stream == 'l' || *T->stream == 'L') { + CL_Advance(T); + token->fix = CL_SUFFIX_ULL; + } + } + } + + } break; + + default: { + CL_Message *result = CL_PushStruct(T->arena->other, CL_Message); + result->kind = CLM_WARNING; + result->string = "Unhandled character, skipping ..."; + CL_SLL_QUEUE_ADD(T->first_message, T->last_message, result); + result->token = *token; + token->kind = CL_COMMENT; + } break; + } + +error_end_path:; +} + +CL_API_FUNCTION bool CL_IsComment(CL_Kind kind) { + bool result = kind == CL_COMMENT && kind != CL_EOF; + return result; +} + +CL_API_FUNCTION void CL_InitNextToken(CL_LexResult *T, CL_Token *token) { + // Skip comments, comments get allocated on perm and gathered on the Tokenizer. + // First non comment token gets those comments attached. + do { + bool skipped = CL_EatWhitespace(T); + CL_PrepareToken(T, token, skipped); + CL_DefaultTokenize(T, token); + } while (CL_IsComment(token->kind)); + CL_TryToFinalizeToken(T, token); +} + +CL_API_FUNCTION void CL_AddToken(CL_LexResult *T, CL_Token *token) { + if (!T->tokens.data) T->tokens.data = token; + T->tokens.count += 1; +} + +CL_API_FUNCTION void CL_AddTokenEx(CL_Arena *arena, CL_Tokens *tokens, CL_Token *token_to_add) { + if (token_to_add->kind != CL_EOF) { + CL_Token *token = CL_PushStruct(arena, CL_Token); + *token = *token_to_add; + if (!tokens->data) tokens->data = token; + tokens->count += 1; + } +} + +CL_API_FUNCTION void CL_AddTokenList(CL_Arena *arena, CL_Tokens *main, CL_Tokens *tokens_to_add) { + for (int i = 0; i < tokens_to_add->count; i += 1) { + CL_Token *it = tokens_to_add->data + i; + CL_AddTokenEx(arena, main, it); + } +} + +CL_API_FUNCTION CL_Token *CL_AddNextToken(CL_LexResult *T) { + CL_Token *token = CL_PushStruct(T->arena->token, CL_Token); + CL_InitNextToken(T, token); + CL_AddToken(T, token); + return token; +} + +CL_API_FUNCTION void CL_LexStringEx(CL_LexResult *result) { + CL_Token *token; + do { + token = CL_AddNextToken(result); + } while (token->kind != CL_EOF); +} + +CL_API_FUNCTION CL_LexResult *CL_LexString(CL_ArenaTuple *arena, char *filename, char *string) { + CL_LexResult *result = CL_CreateLexingResult(arena, filename, string); + CL_LexStringEx(result); + return result; +} + +CL_API_FUNCTION CL_LexResult *CL_LexFile(CL_ArenaTuple *arena, char *filename) { + char *file = CL_ReadFile(arena->other, filename); + CL_LexResult *result = 0; + if (file) { + result = CL_LexString(arena, filename, file); + } + return result; +} + +CL_API_FUNCTION void CL_AddLexResult(CL_LexList *list, CL_LexResult *result) { + if (result == 0) return; + CL_SLL_QUEUE_ADD_MOD(list->first_result, list->last_result, result, next_result); + list->count += 1; +} + +CL_API_FUNCTION CL_LexList CL_MakeLexList(CL_LexResult *l) { + CL_LexList result = CL_ZeroStruct(); + CL_AddLexResult(&result, l); + return result; +} + +CL_PRIVATE_FUNCTION void CL__SetIncludeToken(CL_IncludeIter *iter, CL_Token *token) { + if (token) { + iter->include_token = token; + iter->filename = token->str; + iter->is_system_include = token->flags & CL_SYSTEM_INCLUDE; + } + else { + iter->include_token = 0; + iter->filename = 0; + iter->is_system_include = 0; + } +} + +CL_API_FUNCTION void CL_GetNextInclude(CL_IncludeIter *iter) { + if (iter->inited_with_filename) { + iter->parent = iter->lex_list->first_result; + iter->inited_with_filename = false; + } + + for (; iter->parent;) { + iter->include_index += 1; + if (iter->include_index >= iter->parent->includes.count) { + iter->parent = iter->parent->next_result; + CL__SetIncludeToken(iter, 0); + iter->include_index = -1; + continue; + } + + CL_Token *it = iter->parent->includes.data + iter->include_index; + CL__SetIncludeToken(iter, it); + + if (iter->resolve) { + char *filename = CL_ResolveFilepath(iter->arena, &iter->search_paths, iter->filename, iter->parent->file, iter->is_system_include); + if (CL_IsValidFile(iter->lex_list, filename)) { + iter->filename = filename; + } + else { + CL__SetIncludeToken(iter, 0); + continue; + } + } + + return; + } +} + +CL_API_FUNCTION CL_IncludeIter CL_IterateFileAndResolvedIncludes(CL_ArenaTuple *arena, char *filename, CL_SearchPaths search_paths) { + CL_IncludeIter result; + CL__MemoryZero(&result, sizeof(CL_IncludeIter)); + result.lex_list = CL_PushStruct(arena->other, CL_LexList); + if (CL_FileExists(filename)) { + result.inited_with_filename = true; + result.filename = filename; + } + result.include_index = -1; + result.resolve = true; + result.search_paths = search_paths; + result.arena = arena->other; + return result; +} + +CL_API_FUNCTION CL_IncludeIter CL_IterateIncludes(CL_LexList *list) { + CL_IncludeIter result; + CL__MemoryZero(&result, sizeof(CL_IncludeIter)); + result.lex_list = list; + result.parent = list->first_result; + result.include_index = -1; + CL_GetNextInclude(&result); + return result; +} + +CL_API_FUNCTION CL_IncludeIter CL_IterateResolvedIncludes(CL_Arena *arena, CL_LexList *list, CL_SearchPaths search_paths) { + CL_IncludeIter result; + CL__MemoryZero(&result, sizeof(CL_IncludeIter)); + result.lex_list = list; + result.parent = list->first_result; + result.include_index = -1; + result.resolve = true; + result.search_paths = search_paths; + result.arena = arena; + CL_GetNextInclude(&result); + return result; +} + +#define CL_IS_POW2(x) (((x) & ((x)-1)) == 0) +#define CL_WRAP_AROUND_POWER_OF_2(x, pow2) (((x) & ((pow2)-1llu))) + +CL_API_FUNCTION void CL_InitInternTable(CL_Arena *arena, CL_InternTable *table, int size) { + CL_ASSERT(CL_IS_POW2(size)); + table->arena = arena; + table->entries = CL_PushArray(arena, CL_InternEntry, size); + table->entry_count = size; + table->occupied_entry_count = 0; +} + +CL_API_FUNCTION CL_InternTable *CL_CreateInternTable(CL_Arena *arena, int size) { + CL_InternTable *result = CL_PushStruct(arena, CL_InternTable); + CL_InitInternTable(arena, result, size); + return result; +} + +CL_API_FUNCTION CL_Intern *CL_InsertIntern(CL_InternTable *table, char *string, int len) { + CL_ASSERT(table->arena); + uint64_t hash = CL__HASH_BYTES(string, len); + if (hash == 0) hash += 1; + + uint64_t index = CL_WRAP_AROUND_POWER_OF_2(hash, table->entry_count); + CL_InternEntry *it = table->entries + index; + for (;;) { + if (it->hash == 0) { + it->string = CL_PushStringCopy(table->arena, string, len); + it->len = len; + it->hash = hash; + table->occupied_entry_count += 1; + return it->string; + } + else if (CL_StringsAreEqual(string, len, it->string, it->len)) { + return it->string; + } + + if (!it->next) { + it->next = CL_PushStruct(table->arena, CL_InternEntry); + } + it = it->next; + } +} + +CL_API_FUNCTION void CL_InternResult(CL_InternTable *table, CL_LexResult *result) { + for (int i = 0; i < result->tokens.count; i += 1) { + CL_Token *it = result->tokens.data + i; + if (it->kind == CL_IDENTIFIER) { + it->intern = CL_InsertIntern(table, it->str, it->len); + } + } +} + +CL_API_FUNCTION void CL_InternListEx(CL_InternTable *table, CL_LexList *list) { + for (CL_LexResult *it = list->first_result; it; it = it->next_result) { + CL_InternResult(table, it); + } +} + +CL_API_FUNCTION void CL_InternList(CL_Arena *arena, CL_LexList *list) { + list->intern_table = CL_CreateInternTable(arena, 4096); + CL_InternListEx(list->intern_table, list); +} + +CL_PRIVATE_FUNCTION char *CL_ChopLastSlash(CL_Arena *arena, char *str) { + int i = 0; + int slash_pos = -1; + while (str[i]) { + if (str[i] == '/') { + slash_pos = i; + } + i += 1; + } + + char *result = str; + if (slash_pos != -1) { + result = CL_PushStringCopy(arena, str, slash_pos); + } + else { + result = "./"; + } + return result; +} + +CL_PRIVATE_FUNCTION char *CL_JoinPath(CL_Arena *arena, char *a, char *b) { + int alen = CL_StringLength(a); + int blen = CL_StringLength(b); + int additional_len = 0; + + if (alen && a[alen - 1] != '/') additional_len = 1; + char *result = CL_PushArray(arena, char, alen + blen + 1 + additional_len); + CL__MemoryCopy(result, a, alen); + if (additional_len) result[alen++] = '/'; + CL__MemoryCopy(result + alen, b, blen); + result[alen + blen] = 0; + return result; +} + +CL_PRIVATE_FUNCTION bool CL_IsAbsolutePath(char *path) { +#if _WIN32 + bool result = CL_IsAlphabetic(path[0]) && path[1] == ':' && path[2] == '/'; +#else + bool result = path[0] == '/'; +#endif + return result; +} + +char *CL_SkipToLastSlash(char *p) { + int last_slash = 0; + for (int i = 0; p[i]; i += 1) { + if (p[i] == '/') last_slash = i; + } + return p + last_slash; +} + +CL_API_FUNCTION char *CL_ResolveFilepath(CL_Arena *arena, CL_SearchPaths *search_paths, char *filename, char *parent_file, bool is_system_include) { + CL_SearchPaths null_search_paths = CL_ZeroStruct(); + if (search_paths == 0) search_paths = &null_search_paths; + + if (search_paths->file_begin_to_ignore) { + char *name = CL_SkipToLastSlash(filename); + int namelen = CL_StringLength(name); + char *ignore = search_paths->file_begin_to_ignore; + int ignorelen = CL_StringLength(ignore); + if (namelen > ignorelen) { + namelen = ignorelen; + } + if (CL_StringsAreEqual(name, namelen, search_paths->file_begin_to_ignore, ignorelen)) { + return 0; + } + } + + if (CL_IsAbsolutePath(filename) && CL_FileExists(filename)) { + return filename; + } + + if (is_system_include) { + for (int path_i = 0; path_i < search_paths->system_include_path_count; path_i += 1) { + char *path_it = search_paths->system_include_path[path_i]; + char *file = CL_JoinPath(arena, path_it, filename); + if (CL_FileExists(file)) { + return file; + } + } + } + else { + if (parent_file) { + char *parent_dir = CL_ChopLastSlash(arena, parent_file); + char *file = CL_JoinPath(arena, parent_dir, filename); + if (CL_FileExists(file)) { + return file; + } + } + + for (int path_i = 0; path_i < search_paths->include_path_count; path_i += 1) { + char *path_it = search_paths->include_path[path_i]; + char *file = CL_JoinPath(arena, path_it, filename); + if (CL_FileExists(file)) { + return file; + } + } + } + return 0; +} + +CL_API_FUNCTION bool CL_IsValidFile(CL_LexList *list, char *filename) { + if (filename == 0) return false; + int filename_len = CL_StringLength(filename); + if (filename_len == 0) return false; + + for (CL_LexResult *it = list->first_result; it; it = it->next_result) { + int file_len = CL_StringLength(it->file); + if (CL_StringsAreEqual(filename, filename_len, it->file, file_len)) { + return false; + } + } + return true; +} + +CL_API_FUNCTION CL_LexResult *CL_GetFile(CL_LexList *list, char *name) { + for (CL_LexResult *it = list->first_result; it; it = it->next_result) { + if (CL_StringsAreEqual(it->file, CL_StringLength(it->file), name, CL_StringLength(name))) { + return it; + } + } + return 0; +} + +CL_API_FUNCTION void CL_InitDefaultTuple(CL_ArenaTuple *tuple) { + CL__MemoryZero(tuple, sizeof(CL_ArenaTuple)); + tuple->comment = &tuple->default_comment; + tuple->token = &tuple->default_token; + tuple->include = &tuple->default_include; + tuple->other = &tuple->default_other; +} + +CL_API_FUNCTION CL_LexList CL_LexRecursive(CL_ArenaTuple *arena, char *filename, CL_SearchPaths paths) { + CL_LexResult *first_file = CL_LexFile(arena, filename); + CL_LexList result = CL_MakeLexList(first_file); + result.search_paths = paths; + for (CL_IncludeIter iter = CL_IterateResolvedIncludes(arena->other, &result, paths); iter.filename; CL_GetNextInclude(&iter)) { + CL_LexResult *file = CL_LexFile(arena, iter.filename); + CL_AddLexResult(&result, file); + } + return result; +} + +#endif // CL_IMPLEMENTATION \ No newline at end of file diff --git a/src/core/core.c b/src/core/core.c new file mode 100755 index 0000000..1eb2c9f --- /dev/null +++ b/src/core/core.c @@ -0,0 +1,21 @@ +#include "core.h" +#define UTF_IMPLEMENTATION +#define MA_IMPLEMENTATION +#define STB_SPRINTF_IMPLEMENTATION +#define S8_IMPLEMENTATION +#define RE_IMPLEMENTATION +#define CL_IMPLEMENTATION +#define CPP_IMPLEMENTATION +#define MU_IMPLEMENTATION +#define VIS_IMPLEMENTATION +#define IO_IMPLEMENTATION +#include "stb_sprintf.h" +#include "regex.h" +#include "unicode.h" +#include "string.h" +#include "arena.h" +#include "io.h" +#include "multimedia.h" +#include "hash.c" +#include "load_library.c" +#include "filesystem.c" diff --git a/src/core/core.h b/src/core/core.h new file mode 100755 index 0000000..f0b9259 --- /dev/null +++ b/src/core/core.h @@ -0,0 +1,61 @@ +#pragma once +#include "preproc_env.h" +#include "bld_paths.c" +#include "stb_sprintf.h" + +#define IO_VSNPRINTF stbsp_vsnprintf +#define IO_SNPRINTF stbsp_snprintf +#include "io.h" + +#define MA_ENABLE_SCRATCH +#define MA_ASSERT(x) IO_Assert(x) +#include "arena.h" + +#define S8_VSNPRINTF stbsp_vsnprintf +#define S8_Allocator MA_Arena * +#define S8_ALLOCATE(allocator, size) MA_PushSize(allocator, size) +#define S8_ASSERT(x) IO_Assert(x) +#define S8_MemoryCopy MA_MemoryCopy +#include "string.h" + +#include "unicode.h" +#include "hash.h" +#include "linked_list.h" + +#define RE_PushSize MA_PushSize +#define RE_Arena MA_Arena +#define RE_ArenaFromBuffer MA_MakeFromBuffer +#define RE_ASSERT(x) IO_Assert(x) +#define RE__MemoryZero MA_MemoryZero +#include "regex.h" + +#define MU_ASSERT IO_Assert +#include "multimedia.h" + +#include "load_library.h" +#include "filesystem.h" + +#ifdef __cplusplus + #include "defer.hpp" + #define TABLE_ASSERT IO_Assert + #include "table.hpp" + #define ARRAY_ASSERT IO_Assert + #include "array.hpp" +#endif + +#define lengthof(x) ((int64_t)((sizeof(x) / sizeof((x)[0])))) +#define Unused(x) (void)(x) +#define Transmute(T, x) (*(T *)&(x)) + +// #define CL_Arena MA_Arena +// #define CL_PushSize MA_PushSizeNonZeroed +// #define CL_ASSERT IO_Assert +// #define CL_VSNPRINTF stbsp_vsnprintf +// #define CL_SNPRINTF stbsp_snprintf +// #include "clexer.h" +// #include "cpreproc.h" + +// #define VIS_MemoryCopy MA_MemoryCopy +// #define VIS_MemoryZero MA_MemoryZero +// #define VIS_ASSERT IO_Assert +// #include "visualize.h" diff --git a/src/core/cpreproc.h b/src/core/cpreproc.h new file mode 100755 index 0000000..d67afc1 --- /dev/null +++ b/src/core/cpreproc.h @@ -0,0 +1,1056 @@ +#ifndef CPP_HEADER +#define CPP_HEADER + +/* +@todo: +Implement pragma once + + +*/ + +#ifndef CPP_API_FUNCTION + #ifdef __cplusplus + #define CPP_API_FUNCTION extern "C" + #else + #define CPP_API_FUNCTION + #endif +#endif + +/*#meta.gen_enum(meta.macro_kind, decl=True, enum_name="CPP_MacroKind", prefix="CPP_MACRO")*/ +typedef enum CPP_MacroKind { + CPP_MACRO_NULL, + CPP_MACRO_ERROR, + CPP_MACRO_DEFINE, + CPP_MACRO_IF, + CPP_MACRO_ELSE, + CPP_MACRO_ELIF, +} CPP_MacroKind; +/*END*/ + +typedef struct CPP_Macro CPP_Macro; +struct CPP_Macro { + CPP_MacroKind kind; + CPP_Macro *next; + union { + struct { + char *name; + bool function_like; + bool vargs; + CL_Tokens args; + CL_Tokens body; + } defn; + struct { + int evaluation; + } ifn; + }; +}; + +typedef struct CPP_Message CPP_Message; +struct CPP_Message { + CL_MessageKind kind; + CPP_Message *next; + char *string; + + struct CPP_Macro *macro; + CL_Token token; +}; + +typedef struct CPP_HashEntry CPP_HashEntry; +struct CPP_HashEntry { + CPP_HashEntry *next; + void *pointer; + uint64_t hash; + uint64_t key; +}; + +typedef struct CPP_HashTable CPP_HashTable; +struct CPP_HashTable { + CPP_HashEntry *entries; + int entry_count; + int occupied_entry_count; + CL_Arena *arena; +}; + +// Preprocessing stage assumptions: +// We get a list of tokens (and list of files with tokens to handle includes) +// All identifiers should be interned, dont care how +// +// Returns: +// Tokens, messages +// + +// Define table +// It can be reused +typedef struct CPP_PreprocResult { + CL_Tokens tokens; + CPP_Message *first_message; + CPP_Message *last_message; + CPP_HashTable *defines; + + // Private for preprocessing + CL_LexResult **pragma_onced; + int pragma_onced_count; + + CL_LexList lex_list; + CPP_Macro *if_stack; + CL_ArenaTuple arena; +} CPP_PreprocResult; + +#endif // CPP_HEADER +#ifdef CPP_IMPLEMENTATION + +static CPP_Macro CPP_NullMacro; + +#define CPP_SLL_STACK_ADD_MOD(stack_base, new_stack_base, next) \ + do { \ + (new_stack_base)->next = (stack_base); \ + (stack_base) = (new_stack_base); \ + } while (0) +#define CPP_SLL_STACK_ADD(stack_base, new_stack_base) \ + CPP_SLL_STACK_ADD_MOD(stack_base, new_stack_base, next) + +#define CPP_SLL_STACK_POP_AND_STORE(stack_base, out_node) \ + do { \ + if (stack_base) { \ + (out_node) = (stack_base); \ + (stack_base) = (stack_base)->next; \ + (out_node)->next = 0; \ + } \ + } while (0) + +/*# +meta.gen_enum(meta.macro_kind, table=True, table_name="CPP_MacroKindString")*/ +#ifndef CPP_PRIVATE_FUNCTION + #if defined(__GNUC__) || defined(__clang__) + #define CPP_PRIVATE_FUNCTION __attribute__((unused)) static + #else + #define CPP_PRIVATE_FUNCTION static + #endif +#endif + +char *CPP_MacroKindString[] = { + "NULL", + "ERROR", + "DEFINE", + "IF", + "ELSE", + "ELIF", +}; +/*END*/ + +#define CPP_IS_POW2(x) (((x) & ((x)-1)) == 0) +#define CPP_WRAP_AROUND_POWER_OF_2(x, pow2) (((x) & ((pow2)-1llu))) + +#ifndef CPP_HASH_BYTES + #define CPP_HASH_BYTES CPP__HashBytes +CPP_PRIVATE_FUNCTION uint64_t CPP__HashBytes(void *data, unsigned size) { + uint8_t *data8 = (uint8_t *)data; + uint64_t hash = (uint64_t)14695981039346656037ULL; + for (unsigned i = 0; i < size; i++) { + hash = hash ^ (uint64_t)(data8[i]); + hash = hash * (uint64_t)1099511628211ULL; + } + return hash; +} +#endif + +CPP_API_FUNCTION void CPP_InitHashTable(CL_Arena *arena, CPP_HashTable *table, int size) { + CL_ASSERT(CPP_IS_POW2(size) && "Required to be a power of 2"); + table->arena = arena; + table->entries = (CPP_HashEntry *)CL_PushSize(arena, sizeof(CPP_HashEntry) * size); + CL__MemoryZero(table->entries, sizeof(CPP_HashEntry) * size); + table->entry_count = size; + table->occupied_entry_count = 0; +} + +CPP_API_FUNCTION CPP_HashTable *CPP_CreateHashTable(CL_Arena *arena, int size) { + CPP_HashTable *result = (CPP_HashTable *)CL_PushSize(arena, sizeof(CPP_HashTable)); + CL__MemoryZero(result, sizeof(*result)); + CPP_InitHashTable(arena, result, size); + return result; +} + +CPP_API_FUNCTION CPP_HashEntry *CPP_InsertEntry(CPP_HashTable *table, uint64_t key, void *pointer) { + /*HT_Insert("table->entries", "table->entry_count", "key", "pointer")*/ + CL_ASSERT(table->arena && "Uninitialized hash table"); + uint64_t hash = CPP_HASH_BYTES(&key, sizeof(key)); + if (hash == 0) hash += 1; + + uint64_t index = CPP_WRAP_AROUND_POWER_OF_2(hash, table->entry_count); + CPP_HashEntry *it = table->entries + index; + for (;;) { + if (it->hash == 0) { + it->pointer = pointer; + it->hash = hash; + it->key = key; + return it; + } + else if (it->key == key && it->hash == hash) { + return 0; + } + + if (!it->next) { + it->next = (CPP_HashEntry *)CL_PushSize(table->arena, sizeof(CPP_HashEntry)); + CL__MemoryZero(it->next, sizeof(CPP_HashEntry)); + } + it = it->next; + } +} + +static CPP_HashEntry CPP_NullHashEntry; +CPP_API_FUNCTION CPP_HashEntry *CPP_LookupEntry(CPP_HashTable *table, uint64_t key) { + CL_ASSERT(table->arena && "Uninitialized hash table"); + uint64_t hash = CPP_HASH_BYTES(&key, sizeof(key)); + if (hash == 0) hash += 1; + uint64_t index = CPP_WRAP_AROUND_POWER_OF_2(hash, table->entry_count); + + for (CPP_HashEntry *it = table->entries + index; it; it = it->next) { + if (it->hash == hash && it->key == key) { + return it; + } + } + return &CPP_NullHashEntry; +} + +CPP_API_FUNCTION bool CPP_RemoveEntry(CPP_HashTable *table, uint64_t key) { + CPP_HashEntry *entry = CPP_LookupEntry(table, key); + if (entry->hash) { + CL__MemoryZero(entry, sizeof(*entry)); + return true; + } + return false; +} + +CPP_API_FUNCTION CPP_HashEntry *CPP_InsertI(CPP_HashTable *table, char *key, void *value) { + return CPP_InsertEntry(table, (uint64_t)key, value); +} +CPP_API_FUNCTION void *CPP_LookupI(CPP_HashTable *table, char *key) { + return CPP_LookupEntry(table, (uint64_t)key)->pointer; +} +CPP_API_FUNCTION bool CPP_RemoveI(CPP_HashTable *table, char *key) { + return CPP_LookupEntry(table, (uint64_t)key)->pointer; +} + +CPP_PRIVATE_FUNCTION CPP_Message *CPP_CreateMessage(CL_Arena *arena, CL_MessageKind kind, char *string) { + CPP_Message *result = CL_PushStruct(arena, CPP_Message); + result->kind = kind; + result->string = (char *)string; + return result; +} + +CPP_PRIVATE_FUNCTION void CPP_ReportError(CPP_PreprocResult *ctx, CPP_Macro **macro, CL_Token *token, const char *string, ...) { + CL__FORMAT(ctx->arena.other, string, message_string); + CPP_Message *result = CPP_CreateMessage(ctx->arena.other, CLM_ERROR, message_string); + CL_SLL_QUEUE_ADD(ctx->first_message, ctx->last_message, result); + result->token = *token; + + if (macro && macro[0]) { + macro[0]->kind = CPP_MACRO_ERROR; + result->macro = macro[0]; + } +#if TEST_DEBUG + printf("%s:%d %s\n", token->file, token->line, message_string); + __debugbreak(); +#endif +} + +CPP_PRIVATE_FUNCTION void CPP_ReportWarning(CPP_PreprocResult *ctx, CL_Token *token, const char *string, ...) { + CL__FORMAT(ctx->arena.other, string, message_string); + CPP_Message *result = CPP_CreateMessage(ctx->arena.other, CLM_WARNING, message_string); + CL_SLL_QUEUE_ADD(ctx->first_message, ctx->last_message, result); + result->token = *token; +} + +#define CPP_REPORT_ERROR(ctx, macro, token, ...) \ + do { \ + CPP_ReportError((ctx), (macro), (token), ##__VA_ARGS__); \ + error_occured = true; \ + goto end_of_iteration; \ + } while (0) + +CPP_API_FUNCTION void CPP_StringifyMessage(char *buff, int buff_size, CPP_Message *msg) { + char *kind = CL_MessageKindString[msg->kind]; + CL_SNPRINTF(buff, buff_size, "%s:%d %15s %15s", msg->token.file, msg->token.line, kind, msg->string); +} + +CPP_API_FUNCTION void CPP_PrintMessages(CPP_PreprocResult *preproc_result) { + char buff[1024]; + for (CPP_Message *it = preproc_result->first_message; it; it = it->next) { + CPP_StringifyMessage(buff, sizeof(buff), it); + printf("%s\n", buff); + } +} + +CPP_API_FUNCTION int CPP__EvalExpr(CPP_PreprocResult *ctx, CL_Tokens *it); +CPP_PRIVATE_FUNCTION int CPP_EvalAtom(CPP_PreprocResult *ctx, CL_Tokens *it) { + CL_Token *token = CL_Next(it); + int result = 0; + switch (token->kind) { + case CL_OPENPAREN: { + result = CPP__EvalExpr(ctx, it); + if (!CL_Match(it, CL_CLOSEPAREN)) CPP_ReportError(ctx, 0, token, "No matching open parenthesis '(' found"); + } break; + case CL_FLOAT: CPP_ReportError(ctx, 0, token, "Floats illegal in preprocessor expressions"); break; + case CL_STRINGLIT: CPP_ReportError(ctx, 0, token, "Strings illegal in preprocessor expressions"); break; + case CL_INT: result = (int)token->u64; break; + case CL_IDENTIFIER: result = 0; break; // @todo: check if this is correct + default: CPP_ReportError(ctx, 0, token, "Illegal token in preprocessor expression"); break; + } + return result; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalUnary(CPP_PreprocResult *ctx, CL_Tokens *it) { + int result = 0; + CL_Token *token = CL_Get(it); + switch (token->kind) { + case CL_ADD: + CL_Next(it); + result = +CPP_EvalUnary(ctx, it); + break; + case CL_SUB: + CL_Next(it); + result = -CPP_EvalUnary(ctx, it); + break; + case CL_NEG: + CL_Next(it); + result = ~CPP_EvalUnary(ctx, it); + break; + case CL_NOT: + CL_Next(it); + result = !CPP_EvalUnary(ctx, it); + break; + default: result = CPP_EvalAtom(ctx, it); + } + return result; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalMul(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalUnary(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_MUL) || CL_Match(it, CL_DIV) || CL_Match(it, CL_MOD)) { + int right = CPP_EvalUnary(ctx, it); + switch (op->kind) { + case CL_MUL: left = left * right; break; + case CL_DIV: left = left / right; break; + case CL_MOD: left = left % right; break; + default: CL_ASSERT(!"Invalid default case"); + } + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalAdd(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalMul(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_ADD) || CL_Match(it, CL_SUB)) { + int right = CPP_EvalMul(ctx, it); + switch (op->kind) { + case CL_ADD: left = left + right; break; + case CL_SUB: left = left - right; break; + default: CL_ASSERT(!"Invalid default case"); + } + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalShift(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalAdd(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_LEFTSHIFT) || CL_Match(it, CL_RIGHTSHIFT)) { + int right = CPP_EvalAdd(ctx, it); + switch (op->kind) { + case CL_LEFTSHIFT: left = left << right; break; + case CL_RIGHTSHIFT: left = left >> right; break; + default: CL_ASSERT(!"Invalid default case"); + } + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalLesserThen(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalShift(ctx, it); + + CL_Token *op = CL_Get(it); + while (op->kind == CL_LESSERTHEN || op->kind == CL_GREATERTHEN || op->kind == CL_GREATERTHEN_OR_EQUAL || op->kind == CL_LESSERTHEN_OR_EQUAL) { + CL_Next(it); + int right = CPP_EvalShift(ctx, it); + switch (op->kind) { + case CL_LESSERTHEN: left = left < right; break; + case CL_GREATERTHEN: left = left > right; break; + case CL_GREATERTHEN_OR_EQUAL: left = left >= right; break; + case CL_LESSERTHEN_OR_EQUAL: left = left <= right; break; + default: CL_ASSERT(!"Invalid default case"); + } + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalEqual(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalLesserThen(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_EQUALS) || CL_Match(it, CL_NOTEQUALS)) { + int right = CPP_EvalLesserThen(ctx, it); + switch (op->kind) { + case CL_EQUALS: left = left == right; break; + case CL_NOTEQUALS: left = left != right; break; + default: CL_ASSERT(!"Invalid default case"); + } + + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalBitAnd(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalEqual(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_BITAND)) { + int right = CPP_EvalEqual(ctx, it); + left = left & right; + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalBitXor(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalBitAnd(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_BITXOR)) { + int right = CPP_EvalBitAnd(ctx, it); + left = left ^ right; + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalBitOr(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalBitXor(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_BITOR)) { + int right = CPP_EvalBitXor(ctx, it); + left = left | right; + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalAnd(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalBitOr(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_AND)) { + int right = CPP_EvalBitOr(ctx, it); + left = left && right; + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalOr(CPP_PreprocResult *ctx, CL_Tokens *it) { + int left = CPP_EvalAnd(ctx, it); + + CL_Token *op = CL_Get(it); + while (CL_Match(it, CL_OR)) { + int right = CPP_EvalAnd(ctx, it); + left = left || right; + op = CL_Get(it); + } + + return left; +} + +CPP_PRIVATE_FUNCTION int CPP_EvalTernary(CPP_PreprocResult *ctx, CL_Tokens *it) { + int expr = CPP_EvalOr(ctx, it); + CL_Token *pos = CL_Get(it); + if (CL_Match(it, CL_QUESTION)) { + int on_true = CPP_EvalTernary(ctx, it); + if (!CL_Match(it, CL_COLON)) { + CPP_ReportError(ctx, 0, pos, "Missing ':' in a ternary expression"); + return 0; + } + int on_false = CPP_EvalTernary(ctx, it); + expr = expr ? on_true : on_false; + } + + return expr; +} + +CPP_API_FUNCTION int CPP__EvalExpr(CPP_PreprocResult *ctx, CL_Tokens *tokens) { + int result = CPP_EvalTernary(ctx, tokens); + return result; +} + +CPP_API_FUNCTION int CPP_EvalExpr(CPP_PreprocResult *ctx, CL_Tokens tokens) { + return CPP__EvalExpr(ctx, &tokens); +} + +CPP_API_FUNCTION CPP_Macro *CPP_CreateMacro(CL_Arena *arena, CPP_MacroKind kind) { + CPP_Macro *result = CL_PushStruct(arena, CPP_Macro); + result->kind = kind; + return result; +} + +CPP_API_FUNCTION CL_Hideset *CPP_CreateHideset(CL_Arena *arena, char *name) { + CL_Hideset *result = CL_PushStruct(arena, CL_Hideset); + result->name = name; + return result; +} + +CPP_API_FUNCTION CL_Hideset *CPP_CopyHideset(CL_Arena *arena, CL_Hideset *hideset) { + CL_Hideset *result = 0; + for (CL_Hideset *it = hideset; it; it = it->next) { + CL_Hideset *copy = CPP_CreateHideset(arena, it->name); + CPP_SLL_STACK_ADD(result, copy); + } + return result; +} + +CPP_API_FUNCTION bool CL_ContainsHideset(CL_Hideset *hideset, char *name) { + for (CL_Hideset *it = hideset; it; it = it->next) { + if (it->name == name) { + return true; + } + } + return false; +} + +CPP_API_FUNCTION CL_Hideset *CPP_HidesetIntersection(CL_Arena *arena, CL_Hideset *a, CL_Hideset *b) { + CL_Hideset *first = 0; + CL_Hideset *last = 0; + for (CL_Hideset *it = b; it; it = it->next) { + if (CL_ContainsHideset(a, b->name)) { + CL_Hideset *hideset = CPP_CreateHideset(arena, b->name); + CL_SLL_QUEUE_ADD(first, last, hideset); + } + } + return first; +} + +CPP_API_FUNCTION CL_Tokens CPP_ConsumePreprocTokens(CL_Tokens *it) { + CL_Tokens result = *it; + result.count = 0; + for (;;) { + CL_Token *token = CL_Get(it); + if ((token->flags & CL_INSIDE_OF_MACRO) && CL_IsMacro(token->kind) == false) { + CL_Next(it); + result.count += 1; + } + else break; + } + return result; +} + +CPP_API_FUNCTION CL_Tokens CPP_EatMacroCallParam(CL_Tokens *it) { + CL_Tokens result = *it; + result.count = 0; + int paren_counter = 0; + for (;;) { + CL_Token *t = CL_Get(it); + if (t->kind == CL_EOF) { + break; + } + if (t->kind == CL_OPENPAREN) { + paren_counter += 1; + } + if (paren_counter == 0 && t->kind == CL_COMMA) { + break; + } + if (paren_counter == 0 && t->kind == CL_CLOSEPAREN) { + break; + } + if (t->kind == CL_CLOSEPAREN) { + paren_counter -= 1; + } + CL_Next(it); + result.count += 1; + } + return result; +} + +CPP_API_FUNCTION void CPP_SkipPreprocIf(CL_Tokens *it) { + // Any #ifs inside of the conditional block need to be ended with #endif. + // #elses we can skip, but the #if and #endif counts how to match. + int inner_if_count = 0; + for (;;) { + CL_Token *t = CL_Get(it); + if (t->kind == CL_EOF) { + break; + } + if (t->kind == CL_PREPROC_IF || t->kind == CL_PREPROC_IFNDEF || t->kind == CL_PREPROC_IFDEF) { + inner_if_count += 1; + } + if (t->kind == CL_PREPROC_ENDIF || t->kind == CL_PREPROC_ELIF || t->kind == CL_PREPROC_ELSE) { + if (inner_if_count == 0) { + break; + } + } + if (t->kind == CL_PREPROC_ENDIF) { + inner_if_count -= 1; + } + CL_Next(it); + } +} + +CPP_PRIVATE_FUNCTION CL_Tokens CPP_CopyTokens(CL_Arena *arena, CL_Tokens tokens) { + CL_Tokens result = tokens; + result.data = CL_PushArray(arena, CL_Token, tokens.count); + CL__MemoryCopy(result.data, tokens.data, tokens.count * sizeof(CL_Token)); + return result; +} + +CPP_PRIVATE_FUNCTION void CPP_AddHideset(CL_Arena *arena, CL_Tokens tokens, CL_Hideset *hideset, char *additional_hideset_name) { + for (int i = 0; i < tokens.count; i += 1) { + CL_Token *it = tokens.data + i; + it->hideset = CPP_CopyHideset(arena, hideset); + CL_Hideset *additional = CPP_CreateHideset(arena, additional_hideset_name); + CPP_SLL_STACK_ADD(it->hideset, additional); + } +} + +CPP_API_FUNCTION CL_Tokens CPP__PreprocTokens(CL_Arena *arena, CPP_PreprocResult *ctx, CL_Tokens *it); +CPP_API_FUNCTION int CPP_EvalPreprocConstExpr(CPP_PreprocResult *ctx, CL_Tokens tokens) { + MA_Checkpoint scratch = MA_Save(ctx->arena.macro_token); + + // Const expr eval := + // 1. Expand defined() + // 2. Preprocess + // 3. Replace remaining identifiers with 0 numbers + // 4. Parse + // 5. Evaluate + CL_Token *save = tokens.data; + CL_Tokens *it = &tokens; + CL_Tokens tokens_with_expanded_defined = CL_ZeroStruct(); + for (;;) { + CL_Token *token = CL_Next(it); + if (token->kind == CL_IDENTIFIER && CL_StringsAreEqual(token->str, token->len, "defined", 7)) { + CL_Token *open_paren = CL_Match(it, CL_OPENPAREN); + CL_Token *ident = CL_Next(it); + if (CL_IsKeywordOrIdent(ident->kind) == false) { + CPP_ReportError(ctx, 0, ident, "Expected a macro name"); + return 0; + } + + void *is_defined = CPP_LookupI(ctx->defines, ident->intern); + token->kind = CL_INT; + token->u64 = is_defined == 0 ? 0 : 1; + + if (open_paren && !CL_Match(it, CL_CLOSEPAREN)) { + CPP_ReportError(ctx, 0, ident, "Expected ')' close parenthesis"); + return 0; + } + } + + if (token->kind == CL_EOF) break; + if (token) CL_AddTokenEx(scratch.arena, &tokens_with_expanded_defined, token); + } + + CL_Tokens *temp = &tokens_with_expanded_defined; + CL_Tokens preprocessed_tokens = CPP__PreprocTokens(scratch.arena, ctx, temp); + for (int i = 0; i < preprocessed_tokens.count; i += 1) { + CL_Token *it = preprocessed_tokens.data + i; + if (CL_IsKeywordOrIdent(it->kind)) { + it->kind = CL_INT; + it->u64 = 0; + } + } + + int result = CPP_EvalExpr(ctx, preprocessed_tokens); + MA_Load(scratch); + return result; +} + +CPP_API_FUNCTION CL_Tokens CPP__PreprocTokens(CL_Arena *arena, CPP_PreprocResult *ctx, CL_Tokens *it) { + bool error_occured = false; + CL_Tokens result = CL_ZeroStruct(); + for (;;) { + CL_Token *token = CL_Next(it); + switch (token->kind) { + case CL_EOF: goto end_of_loop; break; + case CL_PREPROC_DEFINE: { + + CPP_Macro *macro = CPP_CreateMacro(ctx->arena.other, CPP_MACRO_DEFINE); + CL_Token *name = CL_Get(it); + if (CL_IsKeywordOrIdent(name->kind) == false) { + CPP_REPORT_ERROR(ctx, ¯o, CL_Get(it), "Failed to parse macro definition, identifier is required"); + } + else { + CL_Next(it); + macro->defn.name = name->intern; + } + + // idea: we insert before parsing everything so that we have an error node in the + // table instead of undefined + + // @todo: Allow for multiple definitions and issue warning + CPP_HashEntry *result = CPP_InsertI(ctx->defines, macro->defn.name, (void *)macro); + if (result == 0) { + CPP_REPORT_ERROR(ctx, ¯o, name, "Macro with name %s was already defined", name->intern); + } + + // PARSE MACRO ARGUMENTS START + // #define MACRO(we, are, here) + CL_Token *open_paren = CL_Get(it); + bool whitespace_before_paren = (open_paren->flags & CL_WHITESPACE_BEFORE_TOKEN); + if ((open_paren->kind == CL_OPENPAREN) && whitespace_before_paren == false) { + CL_Next(it); + macro->defn.function_like = true; + if (!CL_Match(it, CL_CLOSEPAREN)) { + for (;;) { + CL_Token *ident = CL_Next(it); + if (ident->kind == CL_THREEDOTS) { + macro->defn.vargs = true; + break; + } + if (CL_IsKeywordOrIdent(ident->kind) == false) { + CPP_REPORT_ERROR(ctx, ¯o, ident, "Failed to parse macro definition, invalid token inside of function like macro argument"); + } + CL_AddTokenEx(ctx->arena.macro_token, ¯o->defn.args, ident); + if (!CL_Match(it, CL_COMMA)) { + break; + } + } + if (!CL_Match(it, CL_CLOSEPAREN)) { + CPP_REPORT_ERROR(ctx, ¯o, CL_Get(it), "Failed to parse macro definition, unclosed parenthesis '('"); + } + } + } + // PARSE MACRO ARGUMENTS END + + macro->defn.body = CPP_ConsumePreprocTokens(it); + + } break; + + case CL_PREPROC_IFNDEF: + case CL_PREPROC_IFDEF: { + CPP_Macro *macro = CPP_CreateMacro(ctx->arena.other, CPP_MACRO_IF); + CL_Token *name = CL_Next(it); + if (CL_IsKeywordOrIdent(name->kind) == false) { + CPP_REPORT_ERROR(ctx, ¯o, name, "Failed to parse macro definition, expected an identifier after #ifdef"); + } + + char *ident = name->intern; + CPP_Macro *definition = (CPP_Macro *)CPP_LookupI(ctx->defines, ident); + CPP_SLL_STACK_ADD(ctx->if_stack, macro); + + if ((definition && token->kind == CL_PREPROC_IFDEF) || (definition == 0 && token->kind == CL_PREPROC_IFNDEF)) { + macro->ifn.evaluation = 1; + } + if (macro->ifn.evaluation == 0) { + CPP_SkipPreprocIf(it); + } + } break; + + case CL_PREPROC_IF: { + CL_Tokens tokens = CPP_ConsumePreprocTokens(it); + int result = CPP_EvalPreprocConstExpr(ctx, tokens); + CPP_Macro *macro = CPP_CreateMacro(ctx->arena.other, CPP_MACRO_IF); + macro->ifn.evaluation = result; + CPP_SLL_STACK_ADD(ctx->if_stack, macro); + if (macro->ifn.evaluation == 0) CPP_SkipPreprocIf(it); + } break; + + case CL_PREPROC_ELSE: { + CPP_Macro *macro = ctx->if_stack; + if (macro == 0) { + CPP_REPORT_ERROR(ctx, ¯o, token, "Stumbled across a stray #else directive"); + } + + macro->kind = CPP_MACRO_ELSE; + if (macro->ifn.evaluation) { + CPP_SkipPreprocIf(it); + } + } break; + + case CL_PREPROC_ELIF: { + CPP_Macro *macro = ctx->if_stack; + if (macro == 0) { + CPP_REPORT_ERROR(ctx, ¯o, token, "Stumbled across a stray #elif directive"); + } + + if (macro->kind == CPP_MACRO_ELSE) { + CPP_REPORT_ERROR(ctx, ¯o, token, "Stumbled across #elif after #else directive"); + } + + macro->kind = CPP_MACRO_ELIF; + if (macro->ifn.evaluation == 1) { + CPP_SkipPreprocIf(it); + } + else { + CL_Tokens tokens = CPP_ConsumePreprocTokens(it); + int result = CPP_EvalPreprocConstExpr(ctx, tokens); + macro->ifn.evaluation = result; + if (macro->ifn.evaluation == 0) CPP_SkipPreprocIf(it); + } + } break; + + case CL_PREPROC_ENDIF: { + CPP_Macro *macro = 0; + CPP_SLL_STACK_POP_AND_STORE(ctx->if_stack, macro); + if (macro == 0) { + CPP_REPORT_ERROR(ctx, ¯o, token, "Stumbled across a stray #endif directive"); + } + } break; + + case CL_PREPROC_INCLUDE: { + MA_Checkpoint scratch = MA_Save(ctx->arena.macro_token); + if (scratch.arena == arena) scratch = MA_Save(ctx->arena.scratch2); + + bool is_sys_inc = token->flags & CL_SYSTEM_INCLUDE; + char *resolved_filename = CL_ResolveFilepath(scratch.arena, &ctx->lex_list.search_paths, token->str, token->file, is_sys_inc); + if (!resolved_filename) { + CPP_REPORT_ERROR(ctx, 0, token, "Failed to expand include: %s, Couldn't find file", token->str); + } + CL_LexResult *lex = CL_GetFile(&ctx->lex_list, resolved_filename); + if (!lex) { + CPP_REPORT_ERROR(ctx, 0, token, "Failed to expand include: %s, File is not included in LexList", token->str); + } + +#if 0 +// This is wrong because first file is not included in pragma once list + // Check if pragma once + if (lex->tokens.count >= 2) { + CL_Token *it = lex->tokens.data; + if (it[0].kind == CL_PREPROC_PRAGMA && CL_IsIdentifier(it + 1, "once")) { + + bool found = false; + for (int pragma_it = 0; pragma_it < ctx->pragma_onced_count; pragma_it += 1) { + CL_LexResult *it = ctx->pragma_onced[pragma_it]; + if (it == lex) { + found = true; + break; + } + } + + if (!found) { + if (ctx->pragma_onced_count < ctx->lex_list.count) { + ctx->pragma_onced[ctx->pragma_onced_count++] = lex; + } + } + else { + CPP_ReportWarning(ctx, token, "Pragma once, skipping inclusion ... "); + goto skip_inclusion; + } + } + } +#endif + + CL_Tokens tokens = CPP__PreprocTokens(arena, ctx, &lex->tokens); + if (result.data == 0) result = tokens; + else result.count += tokens.count; + + MA_Load(scratch); + } break; + + case CL_PREPROC_PRAGMA: { + CL_Tokens tokens = CPP_ConsumePreprocTokens(it); + if (!(tokens.count == 1 && CL_IsIdentifier(tokens.data, "once"))) { + CPP_ReportWarning(ctx, token, "Unkown pragma, skipping ... "); + } + } break; + + case CL_PREPROC_ERROR: { + CL_Tokens tokens = CPP_ConsumePreprocTokens(it); + CL_Token *first_token = tokens.data; + CL_Token *last_token = tokens.data + tokens.count - 1; + if (tokens.count == 0) CPP_ReportError(ctx, 0, token, "Empty #error directive"); + else { + int64_t len64 = (last_token->str - first_token->str) + last_token->len; + int len = (int)len64; + CPP_ReportError(ctx, 0, token, "%.*s", len, first_token->str); + } + } break; + + case CL_PREPROC_UNDEF: { + CL_Token *token = CL_Next(it); + if (CL_IsKeywordOrIdent(token->kind) == false) { + CPP_REPORT_ERROR(ctx, 0, token, "Invalid #undef syntax, expected an identifier"); + } + CPP_RemoveI(ctx->defines, token->intern); + // Nothing to do here ~ + // It doesn't matter if it's defined or not + } break; + + case CL_PREPROC_NULL: { + // Nothing to do ~ + // '#' single hash without directive + } break; + + case CL_PREPROC_STRINGIFY: { // NOT TESTED + MA_Checkpoint scratch = MA_Save(ctx->arena.macro_token); // @todo: dependency + if (scratch.arena == arena) scratch = MA_Save(ctx->arena.scratch2); + + CL_Token *ident = CL_PushStruct(scratch.arena, CL_Token); + *ident = *token; + ident->kind = CL_IDENTIFIER; + + CL_Tokens tokens = {ident, 1}; + CL_Tokens result = CPP__PreprocTokens(scratch.arena, ctx, &tokens); + + CL_Token *string = 0; + if (result.count) { + string = CL_PushStruct(scratch.arena, CL_Token); + *string = *token; + + string->kind = CL_STRINGLIT; + + CL_Token *last = result.data + result.count - 1; + CL_Token *first = result.data; + string->str = first->str; + string->len = (int)((last->str - first->str) + last->len); + } + + CL_AddTokenEx(arena, &result, string); + MA_Load(scratch); + } break; + + default: { + bool add_token = true; + + // @todo: + // - What to do with arenas ?? + // - There is a bug where EOF end up in tokens buffer probably from expansion + + CPP_Macro *macro = (CPP_Macro *)CPP_LookupI(ctx->defines, token->intern); + if (macro) { + if (!CL_ContainsHideset(token->hideset, macro->defn.name)) { + MA_Checkpoint scratch = MA_Save(ctx->arena.macro_token); // @todo: dependency + if (scratch.arena == arena) scratch = MA_Save(ctx->arena.scratch2); + + CL_Token *open_paren = CL_Get(it); + if (macro->defn.function_like && open_paren->kind == CL_OPENPAREN) { + CL_Next(it); + + // + // Read macro call params + // + CL_Tokens *call_params = CL_PushArray(scratch.arena, CL_Tokens, macro->defn.args.count); + int call_param_i = 0; + if (!CL_Match(it, CL_CLOSEPAREN)) { + for (;;) { + CL_Tokens param = CPP_EatMacroCallParam(it); + if (param.count == 0) { + CPP_REPORT_ERROR(ctx, ¯o, CL_Get(it), "Empty macro argument is not allowed!"); + } + if (call_param_i >= macro->defn.args.count) { + CPP_REPORT_ERROR(ctx, ¯o, CL_Get(it), "Too many arguments in macro invocation"); + } + call_params[call_param_i++] = param; + if (!CL_Match(it, CL_COMMA)) { + break; + } + } + if (!CL_Match(it, CL_CLOSEPAREN)) { + CPP_REPORT_ERROR(ctx, ¯o, CL_Get(it), "Failed to parse macro call, unclosed parenthesis '('"); + } + } + + if (call_param_i != macro->defn.args.count) { + CPP_REPORT_ERROR(ctx, ¯o, CL_Get(it), "Not enough arguments in macro invocation"); + } + + // + // Expand params inside the macro body + // + CL_Tokens body1 = CL_ZeroStruct(); // body with expanded params + // token->hideset, macro->defn.name + CL_Tokens body0 = CPP_CopyTokens(scratch.arena, macro->defn.body); + CL_Tokens args = macro->defn.args; + for (int body_i = 0; body_i < body0.count; body_i += 1) { + CL_Token *body_it = body0.data + body_i; + + // Match current token with argument and expand corresponding list of + // tokens found in the macro call invocation + bool expanded = false; + for (int arg_i = 0; arg_i < args.count; arg_i += 1) { + CL_Token *arg_it = args.data + arg_i; + CL_ASSERT(CL_IsKeywordOrIdent(arg_it->kind)); + if (CL_IsKeywordOrIdent(body_it->kind) && body_it->intern == arg_it->intern) { + CL_Tokens call_param = call_params[arg_i]; + CL_AddTokenList(scratch.arena, &body1, &call_param); + expanded = true; + break; + } + } + + if (!expanded) CL_AddTokenEx(scratch.arena, &body1, body_it); + } + + // Took this from chibicc source code, no idea what's going on here + // in rui314 we believe. + CL_Hideset *hideset = CPP_HidesetIntersection(ctx->arena.other, token->hideset, open_paren->hideset); + CPP_AddHideset(ctx->arena.other, body1, token->hideset, macro->defn.name); + CL_Tokens tokens = CPP__PreprocTokens(scratch.arena, ctx, &body1); + + CL_AddTokenList(arena, &result, &tokens); + add_token = false; + } + + else { + CL_Tokens body = CPP_CopyTokens(scratch.arena, macro->defn.body); + CPP_AddHideset(ctx->arena.other, macro->defn.body, token->hideset, macro->defn.name); + CL_Tokens tokens = CPP__PreprocTokens(scratch.arena, ctx, &body); + CL_AddTokenList(arena, &result, &tokens); + add_token = false; + } + + MA_Load(scratch); + } + } + + if (add_token) { + CL_AddTokenEx(arena, &result, token); + } + } + } + end_of_iteration:; + if (error_occured) { + error_occured = false; + CPP_ConsumePreprocTokens(it); + } + } +end_of_loop:; + return result; +} + +CPP_API_FUNCTION CPP_PreprocResult CPP_MakePreprocResult(CL_ArenaTuple *arena) { + CPP_PreprocResult result = CL_ZeroStruct(); + result.arena = *arena; + result.defines = CPP_CreateHashTable(arena->other, 512); + return result; +} + +CPP_API_FUNCTION CPP_PreprocResult CPP_PreprocTokens(CL_ArenaTuple *arena, CL_Tokens tokens) { + CPP_PreprocResult result = CPP_MakePreprocResult(arena); + result.tokens = CPP__PreprocTokens(arena->token, &result, &tokens); + return result; +} + +CPP_API_FUNCTION CPP_PreprocResult CPP_PreprocFiles(CL_ArenaTuple *arena, CL_LexList list) { + CPP_PreprocResult result = CPP_MakePreprocResult(arena); + result.pragma_onced = CL_PushArray(arena->other, CL_LexResult *, list.count); + result.lex_list = list; + CL_Tokens tokens = list.first_result->tokens; + result.tokens = CPP__PreprocTokens(arena->token, &result, &tokens); + return result; +} + +#endif // CPP_IMPLEMENTATION \ No newline at end of file diff --git a/src/core/defer.hpp b/src/core/defer.hpp new file mode 100755 index 0000000..a5f1a83 --- /dev/null +++ b/src/core/defer.hpp @@ -0,0 +1,21 @@ +#define DEFER_HEADER +template +struct DEFER_ExitScope { + T lambda; + DEFER_ExitScope(T lambda) : lambda(lambda) {} + ~DEFER_ExitScope() { lambda(); } + DEFER_ExitScope(const DEFER_ExitScope &i) : lambda(i.lambda){}; + + private: + DEFER_ExitScope &operator=(const DEFER_ExitScope &); +}; + +class DEFER_ExitScopeHelp { + public: + template + DEFER_ExitScope operator+(T t) { return t; } +}; + +#define DEFER_CONCAT_INTERNAL(x, y) x##y +#define DEFER_CONCAT(x, y) DEFER_CONCAT_INTERNAL(x, y) +#define defer const auto DEFER_CONCAT(defer__, __LINE__) = DEFER_ExitScopeHelp() + [&]() diff --git a/src/core/filesystem.c b/src/core/filesystem.c new file mode 100755 index 0000000..e34ce4d --- /dev/null +++ b/src/core/filesystem.c @@ -0,0 +1,508 @@ +#include "filesystem.h" +#ifdef _WIN32 + #ifndef NOMINMAX + #define NOMINMAX + #endif + #ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN + #endif + #include + #include + #include + +OS_API bool WIN_EnableTerminalColors(void) { + // Enable color terminal output + { + // Set output mode to handle virtual terminal sequences + HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); + if (hOut != INVALID_HANDLE_VALUE) { + DWORD dwMode = 0; + if (GetConsoleMode(hOut, &dwMode)) { + dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING; + if (SetConsoleMode(hOut, dwMode)) { + return true; + } + else { + IO_Printf("Failed to enable colored terminal output C\n"); + } + } + else { + IO_Printf("Failed to enable colored terminal output B\n"); + } + } + else { + IO_Printf("Failed to enable colored terminal output A\n"); + } + } + return false; +} + +OS_API void DEV_SetWorkingDir(void) { + // Enable color terminal output + { + // Set output mode to handle virtual terminal sequences + HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE); + if (hOut != INVALID_HANDLE_VALUE) { + DWORD dwMode = 0; + if (GetConsoleMode(hOut, &dwMode)) { + dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING; + if (SetConsoleMode(hOut, dwMode)) { + // COLOR CODES ENABLED + } + else { + IO_Printf("Failed to enable colored terminal output C\n"); + } + } + else { + IO_Printf("Failed to enable colored terminal output B\n"); + } + } + else { + IO_Printf("Failed to enable colored terminal output A\n"); + } + } + + MA_Checkpoint scratch = MA_GetScratch(); + S8_String working_dir = OS_GetWorkingDir(scratch.arena); + if (S8_EndsWith(working_dir, S8_Lit("build/"), S8_IGNORE_CASE)) { + OS_SetWorkingDir(S8_Lit("..")); + } + MA_ReleaseScratch(scratch); +} + +OS_API bool OS_IsAbsolute(S8_String path) { + bool result = path.len > 3 && CHAR_IsAlphabetic(path.str[0]) && path.str[1] == ':' && path.str[2] == '/'; + return result; +} + +OS_API S8_String OS_GetExePath(MA_Arena *arena) { + wchar_t wbuffer[1024]; + DWORD wsize = GetModuleFileNameW(0, wbuffer, lengthof(wbuffer)); + IO_Assert(wsize != 0); + + S8_String path = UTF_CreateStringFromWidechar(arena, wbuffer, wsize); + S8_NormalizePath(path); + return path; +} + +OS_API S8_String OS_GetExeDir(MA_Arena *arena) { + S8_String path = OS_GetExePath(arena); + path = S8_ChopLastSlash(path); + path.str[path.len] = 0; + return path; +} + +OS_API S8_String OS_GetWorkingDir(MA_Arena *arena) { + wchar_t wbuffer[1024]; + DWORD wsize = GetCurrentDirectoryW(lengthof(wbuffer), wbuffer); + IO_Assert(wsize != 0); + IO_Assert(wsize < 1022); + wbuffer[wsize++] = '/'; + wbuffer[wsize] = 0; + + S8_String path = UTF_CreateStringFromWidechar(arena, wbuffer, wsize); + S8_NormalizePath(path); + return path; +} + +OS_API void OS_SetWorkingDir(S8_String path) { + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), path.str, path.len); + SetCurrentDirectoryW(wpath); +} + +OS_API S8_String OS_GetAbsolutePath(MA_Arena *arena, S8_String relative) { + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), relative.str, relative.len); + wchar_t wpath_abs[1024]; + DWORD written = GetFullPathNameW((wchar_t *)wpath, lengthof(wpath_abs), wpath_abs, 0); + if (written == 0) + return S8_MakeEmpty(); + S8_String path = UTF_CreateStringFromWidechar(arena, wpath_abs, written); + S8_NormalizePath(path); + return path; +} + +OS_API bool OS_FileExists(S8_String path) { + wchar_t wbuff[1024]; + UTF_CreateWidecharFromChar(wbuff, lengthof(wbuff), path.str, path.len); + DWORD attribs = GetFileAttributesW(wbuff); + bool result = attribs == INVALID_FILE_ATTRIBUTES ? false : true; + return result; +} + +OS_API bool OS_IsDir(S8_String path) { + wchar_t wbuff[1024]; + UTF_CreateWidecharFromChar(wbuff, lengthof(wbuff), path.str, path.len); + DWORD dwAttrib = GetFileAttributesW(wbuff); + return dwAttrib != INVALID_FILE_ATTRIBUTES && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY); +} + +OS_API bool OS_IsFile(S8_String path) { + wchar_t wbuff[1024]; + UTF_CreateWidecharFromChar(wbuff, lengthof(wbuff), path.str, path.len); + DWORD dwAttrib = GetFileAttributesW(wbuff); + bool is_file = (dwAttrib & FILE_ATTRIBUTE_DIRECTORY) == 0; + return dwAttrib != INVALID_FILE_ATTRIBUTES && is_file; +} + +OS_API double OS_GetTime(void) { + static int64_t counts_per_second; + if (counts_per_second == 0) { + LARGE_INTEGER freq; + QueryPerformanceFrequency(&freq); + counts_per_second = freq.QuadPart; + } + + LARGE_INTEGER time; + QueryPerformanceCounter(&time); + double result = (double)time.QuadPart / (double)counts_per_second; + return result; +} + +// @todo: I think we want a list with both relative + absolute + other things +// +// Returns directories with slash at the end '/' +// By default returns absolute paths +OS_API S8_List OS_ListDir(MA_Arena *arena, S8_String path, unsigned flags) { + MA_Checkpoint scratch = MA_GetScratch1(arena); + S8_List dirs_to_read = S8_MakeEmptyList(); + S8_List result = S8_MakeEmptyList(); + S8_AddNode(scratch.arena, &dirs_to_read, path); + + for (S8_Node *it = dirs_to_read.first; it; it = it->next) { + wchar_t wbuff[1024]; + S8_String modified_path = S8_Format(scratch.arena, "%.*s\\*", (int)it->string.len, it->string.str); + IO_Assert(modified_path.len < lengthof(wbuff)); + int64_t wsize = UTF_CreateWidecharFromChar(wbuff, lengthof(wbuff), modified_path.str, modified_path.len); + IO_Assert(wsize); + + WIN32_FIND_DATAW ffd; + HANDLE handle = FindFirstFileW(wbuff, &ffd); + if (handle == INVALID_HANDLE_VALUE) + continue; + + do { + + // + // Skip '.' and '..' + // + if (ffd.cFileName[0] == '.') { + if (ffd.cFileName[1] == '.') { + if (ffd.cFileName[2] == 0) + continue; + } + + if (ffd.cFileName[1] == 0) + continue; + } + + bool dir = ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY; + S8_String filename = UTF_CreateStringFromWidechar(scratch.arena, ffd.cFileName, S8_WideLength(ffd.cFileName)); + S8_String rel_abs_path = S8_Format(scratch.arena, "%.*s/%.*s%s", it->string.len, it->string.str, filename.len, filename.str, dir ? "/" : ""); + if (flags & OS_RELATIVE_PATHS) { + S8_AddNode(arena, &result, rel_abs_path); + } + else { + S8_String abs_path = OS_GetAbsolutePath(arena, rel_abs_path); + S8_AddNode(arena, &result, abs_path); + } + + if (dir && flags & OS_RECURSIVE) { + S8_AddNode(scratch.arena, &dirs_to_read, rel_abs_path); + } + } while (FindNextFileW(handle, &ffd) != 0); + + DWORD error = GetLastError(); + if (error != ERROR_NO_MORE_FILES) { + // Not sure what to do here hmmm + } + FindClose(handle); + } + + MA_ReleaseScratch(scratch); + return result; +} + +OS_API OS_Result OS_MakeDir(S8_String path) { + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), path.str, path.len); + BOOL success = CreateDirectoryW(wpath, NULL); + OS_Result result = OS_SUCCESS; + if (success == 0) { + DWORD error = GetLastError(); + if (error == ERROR_ALREADY_EXISTS) { + result = OS_ALREADY_EXISTS; + } + else if (error == ERROR_PATH_NOT_FOUND) { + result = OS_PATH_NOT_FOUND; + } + else { + IO_Assert(0); + } + } + return result; +} + +OS_API OS_Result OS_CopyFile(S8_String from, S8_String to, bool overwrite) { + wchar_t wfrom[1024]; + UTF_CreateWidecharFromChar(wfrom, lengthof(wfrom), from.str, from.len); + + wchar_t wto[1024]; + UTF_CreateWidecharFromChar(wto, lengthof(wto), to.str, to.len); + + BOOL fail_if_exists = !overwrite; + BOOL success = CopyFileW(wfrom, wto, fail_if_exists); + + OS_Result result = OS_SUCCESS; + if (success == FALSE) + result = OS_FAILURE; + return result; +} + +OS_API OS_Result OS_DeleteFile(S8_String path) { + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), path.str, path.len); + BOOL success = DeleteFileW(wpath); + OS_Result result = OS_SUCCESS; + if (success == 0) + result = OS_PATH_NOT_FOUND; + return result; +} + +OS_API OS_Result OS_DeleteDir(S8_String path, unsigned flags) { + if (flags & OS_RECURSIVE) { + MA_Checkpoint scratch = MA_GetScratch(); + S8_List list = OS_ListDir(scratch.arena, path, OS_RECURSIVE); + S8_Node *dirs_to_remove = 0; + for (S8_Node *it = list.first; it; it = it->next) { + if (!S8_EndsWith(it->string, S8_Lit("/"), S8_IGNORE_CASE)) { + OS_DeleteFile(it->string); + } + else { + S8_Node *node = S8_CreateNode(scratch.arena, it->string); + SLL_STACK_ADD(dirs_to_remove, node); + } + } + for (S8_Node *it = dirs_to_remove; it; it = it->next) { + OS_DeleteDir(it->string, OS_NO_FLAGS); + } + OS_Result result = OS_DeleteDir(path, OS_NO_FLAGS); + MA_ReleaseScratch(scratch); + return result; + } + else { + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), path.str, path.len); + BOOL success = RemoveDirectoryW(wpath); + OS_Result result = OS_SUCCESS; + if (success == 0) + result = OS_PATH_NOT_FOUND; + return result; + } +} + +static OS_Result OS__WriteFile(S8_String path, S8_String data, bool append) { + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), path.str, path.len); + OS_Result result = OS_FAILURE; + + DWORD access = GENERIC_WRITE; + DWORD creation_disposition = CREATE_ALWAYS; + if (append) { + access = FILE_APPEND_DATA; + creation_disposition = OPEN_ALWAYS; + } + + HANDLE handle = CreateFileW(wpath, access, 0, NULL, creation_disposition, FILE_ATTRIBUTE_NORMAL, NULL); + if (handle != INVALID_HANDLE_VALUE) { + DWORD bytes_written = 0; + IO_Assert(data.len == (DWORD)data.len); // @Todo: can only read 32 byte size files? + BOOL error = WriteFile(handle, data.str, (DWORD)data.len, &bytes_written, NULL); + if (error == TRUE) { + if (bytes_written != data.len) { + result = OS_SUCCESS; + } + } + CloseHandle(handle); + } + else + result = OS_PATH_NOT_FOUND; + + return result; +} + +OS_API OS_Result OS_AppendFile(S8_String path, S8_String string) { + return OS__WriteFile(path, string, true); +} // @untested + +OS_API OS_Result OS_WriteFile(S8_String path, S8_String string) { + return OS__WriteFile(path, string, false); +} + +OS_API S8_String OS_ReadFile(MA_Arena *arena, S8_String path) { + bool success = false; + S8_String result = S8_MakeEmpty(); + MA_Checkpoint checkpoint = MA_Save(arena); + + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, lengthof(wpath), path.str, path.len); + HANDLE handle = CreateFileW(wpath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); + if (handle != INVALID_HANDLE_VALUE) { + LARGE_INTEGER file_size; + if (GetFileSizeEx(handle, &file_size)) { + if (file_size.QuadPart != 0) { + result.len = (int64_t)file_size.QuadPart; + result.str = (char *)MA_PushSizeNonZeroed(arena, result.len + 1); + DWORD read; + if (ReadFile(handle, result.str, (DWORD)result.len, &read, NULL)) { // @todo: can only read 32 byte size files? + if (read == result.len) { + success = true; + result.str[result.len] = 0; + } + } + } + } + CloseHandle(handle); + } + + if (!success) { + result = S8_MakeEmpty(); + MA_Load(checkpoint); + } + + return result; +} + +OS_API int OS_SystemF(const char *string, ...) { + MA_Checkpoint scratch = MA_GetScratch(); + S8_FORMAT(scratch.arena, string, result); + IO_Printf("Executing: %s\n", result.str); + fflush(stdout); + int error_code = system(result.str); + MA_ReleaseScratch(scratch); + return error_code; +} + +OS_API int64_t OS_GetFileModTime(S8_String file) { + FILETIME time = {0}; + WIN32_FIND_DATAW data; + + wchar_t wpath[1024]; + UTF_CreateWidecharFromChar(wpath, 1024, file.str, file.len); + HANDLE handle = FindFirstFileW(wpath, &data); + if (handle != INVALID_HANDLE_VALUE) { + FindClose(handle); + time = data.ftLastWriteTime; + } + else { + return -1; + } + int64_t result = (int64_t)time.dwHighDateTime << 32 | time.dwLowDateTime; + return result; +} + +OS_API OS_Date OS_GetDate(void) { + SYSTEMTIME local; + GetLocalTime(&local); + + OS_Date result = {0}; + result.year = local.wYear; + result.month = local.wMonth; + result.day = local.wDay; + result.hour = local.wHour; + result.second = local.wSecond; + result.milliseconds = local.wMilliseconds; + return result; +} + +#endif + +OS_API S8_String UTF_CreateStringFromWidechar(MA_Arena *arena, wchar_t *wstr, int64_t wsize) { + int64_t buffer_size = (wsize + 1) * 2; + char *buffer = (char *)MA_PushSizeNonZeroed(arena, buffer_size); + int64_t size = UTF_CreateCharFromWidechar(buffer, buffer_size, wstr, wsize); + IO_Assert(size < buffer_size); + return S8_Make(buffer, size); +} + +OS_API S8_List S8_SplitOnRegex(MA_Arena *arena, S8_String string, S8_String regex, unsigned flags) { + S8_List result = S8_MakeEmptyList(); + int64_t index = 0; + + char buff[4096]; + RE_Regex *re = RE2_ParseBuff(buff, sizeof(buff), regex.str, regex.len); + for (RE_Match match = RE3_Find(re, string.str, string.len); match.pos != -1; match = RE3_Find(re, string.str, string.len)) { + S8_String before_match = S8_Make(string.str, match.pos); + S8_String the_match = S8_Make(string.str + match.pos, match.size); + if (before_match.len) S8_AddNode(arena, &result, before_match); + if (flags & S8_SPLIT_INCLUSIVE) { + if (the_match.len) S8_AddNode(arena, &result, the_match); + } + string = S8_Skip(string, match.pos + match.size); + } + S8_AddNode(arena, &result, string); + return result; +} + +OS_API S8_List OS_ListDirRegex(MA_Arena *arena, S8_String path, unsigned flags, char *regex) { + S8_List result = S8_MakeEmptyList(); + RE_Regex *re = RE1_Parse(arena, regex); + S8_List files = OS_ListDir(arena, path, flags); + for (S8_Node *it = files.first; it; it = it->next) { + if (RE3_AreEqual(re, it->string.str, it->string.len)) { + S8_AddNode(arena, &result, it->string); + } + } + return result; +} + +OS_API S8_String OS_ListDirRegexAsString(MA_Arena *arena, S8_String path, unsigned flags, char *regex) { + S8_List files = OS_ListDirRegex(arena, path, flags, regex); + S8_String files_str = S8_MergeWithSeparator(arena, files, S8_Lit(" ")); + return files_str; +} + +OS_API bool OS_ExpandIncludesList(MA_Arena *arena, S8_List *out, S8_String filepath) { + S8_String c = OS_ReadFile(arena, filepath); + if (c.str == 0) return false; + S8_String path = S8_ChopLastSlash(filepath); + S8_String include = S8_Lit("#include \""); + for (;;) { + int64_t idx = -1; + if (S8_Find(c, include, 0, &idx)) { + S8_String str_to_add = S8_GetPrefix(c, idx); + S8_AddNode(arena, out, str_to_add); + S8_String save = c; + c = S8_Skip(c, idx + include.len); + + S8_String filename = c; + filename.len = 0; + while (filename.str[filename.len] != '"' && filename.len < c.len) { + filename.len += 1; + } + + c = S8_Skip(c, filename.len + 1); + S8_String inc_path = S8_Format(arena, "%.*s/%.*s", S8_Expand(path), S8_Expand(filename)); + if (!OS_ExpandIncludesList(arena, out, inc_path)) { + S8_String s = S8_GetPrefix(save, save.len - c.len); + S8_AddNode(arena, out, s); + } + } + else { + S8_AddNode(arena, out, c); + break; + } + } + return true; +} + +OS_API S8_String OS_ExpandIncludes(MA_Arena *arena, S8_String filepath) { + S8_List out = {0}; + S8_String result = {0}; + MA_ScratchScope(s) { + OS_ExpandIncludesList(s.arena, &out, filepath); + result = S8_Merge(arena, out); + } + return result; +} \ No newline at end of file diff --git a/src/core/filesystem.h b/src/core/filesystem.h new file mode 100755 index 0000000..c1856c2 --- /dev/null +++ b/src/core/filesystem.h @@ -0,0 +1,67 @@ +#ifndef OS_FS_HEADER +#define OS_FS_HEADER + +#ifndef OS_API + #ifdef __cplusplus + #define OS_API extern "C" + #else + #define OS_API + #endif +#endif + +typedef enum OS_Result OS_Result; +typedef struct OS_Date OS_Date; + +enum OS_Result { + OS_SUCCESS, + OS_ALREADY_EXISTS, + OS_PATH_NOT_FOUND, + OS_FAILURE, +}; + +enum { + OS_NO_FLAGS = 0, + OS_RECURSIVE = 1, + OS_RELATIVE_PATHS = 2, +}; + +struct OS_Date { + uint32_t year; + uint32_t month; + uint32_t day; + uint32_t hour; + uint32_t minute; + uint32_t second; + uint32_t milliseconds; +}; + +OS_API void DEV_SetWorkingDir(void); +OS_API bool OS_IsAbsolute(S8_String path); +OS_API S8_String OS_GetExePath(MA_Arena *arena); +OS_API S8_String OS_GetExeDir(MA_Arena *arena); +OS_API S8_String OS_GetWorkingDir(MA_Arena *arena); +OS_API void OS_SetWorkingDir(S8_String path); +OS_API S8_String OS_GetAbsolutePath(MA_Arena *arena, S8_String relative); +OS_API bool OS_FileExists(S8_String path); +OS_API bool OS_IsDir(S8_String path); +OS_API bool OS_IsFile(S8_String path); +OS_API double OS_GetTime(void); +OS_API S8_List OS_ListDir(MA_Arena *arena, S8_String path, unsigned flags); +OS_API OS_Result OS_MakeDir(S8_String path); +OS_API OS_Result OS_CopyFile(S8_String from, S8_String to, bool overwrite); +OS_API OS_Result OS_DeleteFile(S8_String path); +OS_API OS_Result OS_DeleteDir(S8_String path, unsigned flags); +OS_API OS_Result OS_AppendFile(S8_String path, S8_String string); +OS_API OS_Result OS_WriteFile(S8_String path, S8_String string); +OS_API S8_String OS_ReadFile(MA_Arena *arena, S8_String path); +OS_API int OS_SystemF(const char *string, ...); +OS_API int64_t OS_GetFileModTime(S8_String file); +OS_API OS_Date OS_GetDate(void); +OS_API S8_String UTF_CreateStringFromWidechar(MA_Arena *arena, wchar_t *wstr, int64_t wsize); +OS_API S8_List S8_SplitOnRegex(MA_Arena *arena, S8_String string, S8_String regex, unsigned flags); +OS_API S8_List OS_ListDirRegex(MA_Arena *arena, S8_String path, unsigned flags, char *regex); +OS_API S8_String OS_ListDirRegexAsString(MA_Arena *arena, S8_String path, unsigned flags, char *regex); +OS_API bool OS_ExpandIncludesList(MA_Arena *arena, S8_List *out, S8_String filepath); +OS_API S8_String OS_ExpandIncludes(MA_Arena *arena, S8_String filepath); +OS_API bool WIN_EnableTerminalColors(void); +#endif // OS_FS_HEADER diff --git a/src/core/hash.c b/src/core/hash.c new file mode 100755 index 0000000..8b44f00 --- /dev/null +++ b/src/core/hash.c @@ -0,0 +1,53 @@ +#include "hash.h" + +// FNV HASH (1a?) +HASH_API_FUNCTION uint64_t HashBytes(void *data, uint64_t size) { + uint8_t *data8 = (uint8_t *)data; + uint64_t hash = (uint64_t)14695981039346656037ULL; + for (uint64_t i = 0; i < size; i++) { + hash = hash ^ (uint64_t)(data8[i]); + hash = hash * (uint64_t)1099511628211ULL; + } + return hash; +} + +HASH_API_FUNCTION RandomSeed MakeRandomSeed(uint64_t value) { + RandomSeed result; + result.a = value; + return result; +} + +HASH_API_FUNCTION uint64_t GetRandomU64(RandomSeed *state) { + uint64_t x = state->a; + x ^= x << 13; + x ^= x >> 7; + x ^= x << 17; + return state->a = x; +} + +HASH_API_FUNCTION int GetRandomRangeI(RandomSeed *seed, int first, int last_included) { + uint64_t random = GetRandomU64(seed); + int range = (last_included - first + 1); + int mapped = random % range; + int result = mapped + first; + return result; +} + +HASH_API_FUNCTION double GetRandomNormal(RandomSeed *series) { + uint64_t rnd = GetRandomU64(series); + double result = (double)rnd / (double)UINT64_MAX; + return result; +} + +HASH_API_FUNCTION double GetRandomNormalRange(RandomSeed *seed, double min, double max) { + double value = GetRandomNormal(seed); + double result = value * (max - min) + min; + return result; +} + +HASH_API_FUNCTION uint64_t HashMix(uint64_t x, uint64_t y) { + x ^= y; + x *= 0xff51afd7ed558ccd; + x ^= x >> 32; + return x; +} diff --git a/src/core/hash.h b/src/core/hash.h new file mode 100755 index 0000000..35d06fd --- /dev/null +++ b/src/core/hash.h @@ -0,0 +1,33 @@ +#ifndef HASH_HEADER +#define HASH_HEADER +#include + +#ifndef HASH_API_FUNCTION + #ifdef __cplusplus + #define HASH_API_FUNCTION extern "C" + #else + #define HASH_API_FUNCTION + #endif +#endif + +//@begin gen_structs +typedef struct RandomSeed RandomSeed; +//@end gen_structs + +struct RandomSeed { + uint64_t a; +}; + +//@begin gen_api_funcs +HASH_API_FUNCTION uint64_t HashBytes(void *data, uint64_t size); +HASH_API_FUNCTION RandomSeed MakeRandomSeed(uint64_t value); +HASH_API_FUNCTION uint64_t GetRandomU64(RandomSeed *state); +HASH_API_FUNCTION int GetRandomRangeI(RandomSeed *seed, int first, int last_included); +HASH_API_FUNCTION double GetRandomNormal(RandomSeed *series); +HASH_API_FUNCTION double GetRandomNormalRange(RandomSeed *seed, double min, double max); +HASH_API_FUNCTION uint64_t HashMix(uint64_t x, uint64_t y); +//@end gen_api_funcs + +#define WRAP_AROUND_POWER_OF_2(x, pow2) (((x) & ((pow2)-1llu))) +static inline float GetRandomNormalF(RandomSeed *series) { return (float)GetRandomNormal(series); } +#endif diff --git a/src/core/io.h b/src/core/io.h new file mode 100755 index 0000000..4cf5a0c --- /dev/null +++ b/src/core/io.h @@ -0,0 +1,295 @@ +#ifndef IO_HEADER +#define IO_HEADER +#include +typedef enum IO_ErrorResult IO_ErrorResult; +#ifndef IO_API + #ifdef __cplusplus + #define IO_API extern "C" + #else + #define IO_API + #endif +#endif + +enum IO_ErrorResult { + IO_ErrorResult_Continue, + IO_ErrorResult_Break, + IO_ErrorResult_Exit, +}; + +#ifdef _WIN32 + #define IO_DebugBreak() (__debugbreak(), 0) +#else + #define IO_DebugBreak() (IO_Exit(1), 0) +#endif + +extern void (*IO_User_OutputMessage)(char *str, int len); + +#define IO__STRINGIFY(x) #x +#define IO__TOSTRING(x) IO__STRINGIFY(x) +#define IO_LINE IO__TOSTRING(__LINE__) + +#define IO_Assert(x) !(x) && IO__FatalError((char *)(__FILE__ "(" IO_LINE "): " \ + "error: " #x "\n")) && \ + IO_DebugBreak() +#define IO_FatalErrorf(...) \ + do { \ + bool result = IO__FatalErrorf(__FILE__, __LINE__, __VA_ARGS__); \ + if (result) IO_DebugBreak(); \ + } while (0) +#define IO_FatalError(...) \ + do { \ + bool result = IO__FatalError(__FILE__ "(" IO_LINE "): error - " __VA_ARGS__); \ + if (result) IO_DebugBreak(); \ + } while (0) +#define IO_Assertf(x, ...) \ + do { \ + if (!(x)) { \ + bool result = IO__FatalErrorf(__FILE__, __LINE__, __VA_ARGS__); \ + if (result) IO_DebugBreak(); \ + } \ + } while (0) + +#define IO_InvalidElseIf(c) \ + else if (c) { \ + IO_InvalidCodepath(); \ + } +#define IO_InvalidElse() \ + else { \ + IO_InvalidCodepath(); \ + } +#define IO_InvalidCodepath() IO_FatalError("This codepath is invalid") +#define IO_InvalidDefaultCase() \ + default: { \ + IO_FatalError("Entered invalid switch statement case"); \ + } +#define IO_Todo() IO_FatalError("This codepath is not implemented yet") + +IO_API bool IO__FatalErrorf(const char *file, int line, const char *msg, ...); +IO_API void IO_Printf(const char *msg, ...); +IO_API bool IO__FatalError(char *msg); +IO_API void IO_Print(char *msg); +IO_API void IO_OutputMessage(char *str, int len); +IO_API IO_ErrorResult IO_OutputError(char *str, int len); +IO_API void IO_Exit(int error_code); +IO_API bool IO_IsDebuggerPresent(void); +#endif + +#ifdef IO_IMPLEMENTATION +#ifndef IO_SNPRINTF + #include + #define IO_SNPRINTF snprintf +#endif + +#ifndef IO_VSNPRINTF + #include + #define IO_VSNPRINTF vsnprintf +#endif + +#ifndef IO_ALLOCATE + #include + #define IO_ALLOCATE(x) malloc(x) + #define IO_FREE(x) free(x) +#endif + +#ifndef IO_FN + #if defined(__GNUC__) || defined(__clang__) + #define IO_FN __attribute__((unused)) static + #else + #define IO_FN static + #endif +#endif + +IO_FN int IO_Strlen(char *string) { + int len = 0; + while (*string++ != 0) len++; + return len; +} + +void (*IO_User_OutputMessage)(char *str, int len); + +IO_API bool IO__FatalErrorf(const char *file, int line, const char *msg, ...) { + va_list args1; + va_list args2; + char buff[2048]; + + va_start(args1, msg); + va_copy(args2, args1); + int size = IO_VSNPRINTF(buff, sizeof(buff), msg, args2); + va_end(args2); + + char *new_buffer = 0; + char *user_message = buff; + if (size >= sizeof(buff)) { + size += 4; + new_buffer = (char *)IO_ALLOCATE(size); + IO_VSNPRINTF(new_buffer, size, msg, args1); + user_message = new_buffer; + } + va_end(args1); + + IO_ErrorResult ret = IO_ErrorResult_Continue; + { + char buff2[2048]; + char *result = buff2; + char *b = 0; + int size = IO_SNPRINTF(buff2, sizeof(buff2), "%s(%d): error: %s \n", file, line, user_message); + if (size >= sizeof(buff2)) { + size += 4; + b = (char *)IO_ALLOCATE(size); + size = IO_SNPRINTF(b, size, "%s(%d): error: %s \n", file, line, user_message); + result = b; + } + + ret = IO_OutputError(result, size); + if (ret == IO_ErrorResult_Exit) { + IO_Exit(1); + } + + if (b) { + IO_FREE(b); + } + } + + if (new_buffer) { + IO_FREE(new_buffer); + } + + return ret == IO_ErrorResult_Break; +} + +IO_API void IO_Printf(const char *msg, ...) { + va_list args1; + va_list args2; + char buff[2048]; + + va_start(args1, msg); + va_copy(args2, args1); + int size = IO_VSNPRINTF(buff, sizeof(buff), msg, args2); + va_end(args2); + + char *new_buffer = 0; + char *result = buff; + if (size >= sizeof(buff)) { + size += 4; + new_buffer = (char *)IO_ALLOCATE(size); + IO_VSNPRINTF(new_buffer, size, msg, args1); + result = new_buffer; + } + va_end(args1); + + if (IO_User_OutputMessage) { + IO_User_OutputMessage(result, size); + } + else { + IO_OutputMessage(result, size); + } + + if (new_buffer) { + IO_FREE(new_buffer); + } +} + +IO_API bool IO__FatalError(char *msg) { + int len = IO_Strlen(msg); + IO_ErrorResult result = IO_OutputError(msg, len); + if (result == IO_ErrorResult_Exit) { + IO_Exit(1); + } + return result == IO_ErrorResult_Break; +} + +IO_API void IO_Print(char *msg) { + int len = IO_Strlen(msg); + if (IO_User_OutputMessage) { + IO_User_OutputMessage(msg, len); + } + else { + IO_OutputMessage(msg, len); + } +} +#ifdef _WIN32 + #ifndef NOMINMAX + #define NOMINMAX + #endif + #ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN + #endif + #include + + #pragma comment(lib, "user32") + + #include + +IO_API bool IO_IsDebuggerPresent(void) { + return IsDebuggerPresent(); +} + +IO_API void IO_OutputMessage(char *str, int len) { + printf("%.*s", len, str); + fflush(stdout); +} + +IO_API IO_ErrorResult IO_OutputError(char *str, int len) { + IO_ErrorResult result = IO_ErrorResult_Continue; + IO_OutputMessage(str, len); + + char *msg = str; + if (str[len] != 0) { + msg = (char *)IO_ALLOCATE(len + 1); + for (int i = 0; i < len; i += 1) msg[i] = str[i]; + msg[len] = 0; + } + + OutputDebugStringA(msg); + if (!IsDebuggerPresent()) { + + // Limit size of error output message + char tmp = 0; + if (len > 4096) { + tmp = str[4096]; + str[4096] = 0; + } + + MessageBoxA(0, msg, "Error!", 0); + + if (tmp != 0) { + str[4096] = tmp; + } + + result = IO_ErrorResult_Exit; + } + else { + result = IO_ErrorResult_Break; + } + + if (msg != str) { + IO_FREE(msg); + } + + return result; +} + +IO_API void IO_Exit(int error_code) { + ExitProcess(error_code); +} +#else // _WIN32 else // LIBC + #include + +IO_API IO_ErrorResult IO_OutputError(char *str, int len) { + fprintf(stderr, "%.*s", len, str); + return IO_ErrorResult_Exit; +} + +IO_API void IO_OutputMessage(char *str, int len) { + fprintf(stdout, "%.*s", len, str); +} + +IO_API void IO_Exit(int error_code) { + exit(error_code); +} + +IO_API bool IO_IsDebuggerPresent(void) { + return false; +} +#endif // LIBC +#endif // IO_IMPLEMENTATION \ No newline at end of file diff --git a/src/core/linked_list.h b/src/core/linked_list.h new file mode 100755 index 0000000..dc4f748 --- /dev/null +++ b/src/core/linked_list.h @@ -0,0 +1,129 @@ +#ifndef LINKED_LIST_HEADER +#define LINKED_LIST_HEADER + +#define SLL_QUEUE_ADD_MOD(f, l, n, next) \ + do { \ + (n)->next = 0; \ + if ((f) == 0) { \ + (f) = (l) = (n); \ + } \ + else { \ + (l) = (l)->next = (n); \ + } \ + } while (0) +#define SLL_QUEUE_ADD(f, l, n) SLL_QUEUE_ADD_MOD(f, l, n, next) + +#define SLL_QUEUE_POP_FIRST_MOD(f, l, next) \ + do { \ + if ((f) == (l)) { \ + (f) = (l) = 0; \ + } \ + else { \ + (f) = (f)->next; \ + } \ + } while (0) +#define SLL_QUEUE_POP_FIRST(f, l) SLL_QUEUE_POP_FIRST_MOD(f, l, next) + +#define SLL_STACK_ADD_MOD(stack_base, new_stack_base, next) \ + do { \ + (new_stack_base)->next = (stack_base); \ + (stack_base) = (new_stack_base); \ + } while (0) +#define SLL_STACK_ADD(stack_base, new_stack_base) \ + SLL_STACK_ADD_MOD(stack_base, new_stack_base, next) + +#define SLL_STACK_POP_AND_STORE(stack_base, out_node) \ + do { \ + if (stack_base) { \ + (out_node) = (stack_base); \ + (stack_base) = (stack_base)->next; \ + (out_node)->next = 0; \ + } \ + } while (0) + +#define DLL_QUEUE_ADD_MOD(f, l, node, next, prev) \ + do { \ + if ((f) == 0) { \ + (f) = (l) = (node); \ + (node)->prev = 0; \ + (node)->next = 0; \ + } \ + else { \ + (l)->next = (node); \ + (node)->prev = (l); \ + (node)->next = 0; \ + (l) = (node); \ + } \ + } while (0) +#define DLL_QUEUE_ADD(f, l, node) DLL_QUEUE_ADD_MOD(f, l, node, next, prev) +#define DLL_QUEUE_REMOVE_MOD(first, last, node, next, prev) \ + do { \ + if ((first) == (last)) { \ + IO_Assertf((node) == (first), "Not you are trying to remove is not in the list"); \ + (first) = (last) = 0; \ + } \ + else if ((last) == (node)) { \ + (last) = (last)->prev; \ + (last)->next = 0; \ + } \ + else if ((first) == (node)) { \ + (first) = (first)->next; \ + (first)->prev = 0; \ + } \ + else { \ + (node)->prev->next = (node)->next; \ + (node)->next->prev = (node)->prev; \ + } \ + if (node) { \ + (node)->prev = 0; \ + (node)->next = 0; \ + } \ + } while (0) +#define DLL_QUEUE_REMOVE(first, last, node) DLL_QUEUE_REMOVE_MOD(first, last, node, next, prev) + +#define DLL_STACK_ADD_MOD(first, node, next, prev) \ + do { \ + (node)->next = (first); \ + if ((first)) \ + (first)->prev = (node); \ + (first) = (node); \ + (node)->prev = 0; \ + } while (0) +#define DLL_STACK_ADD(first, node) DLL_STACK_ADD_MOD(first, node, next, prev) +#define DLL_STACK_REMOVE_MOD(first, node, next, prev) \ + do { \ + if ((node) == (first)) { \ + (first) = (first)->next; \ + if ((first)) \ + (first)->prev = 0; \ + } \ + else { \ + (node)->prev->next = (node)->next; \ + if ((node)->next) \ + (node)->next->prev = (node)->prev; \ + } \ + if (node) { \ + (node)->prev = 0; \ + (node)->next = 0; \ + } \ + } while (0) +#define DLL_STACK_REMOVE(first, node) DLL_STACK_REMOVE_MOD(first, node, next, prev) + +#define DLL_INSERT_NEXT_MOD(base, new, next, prev) \ + do { \ + if ((base) == 0) { \ + (base) = (new); \ + (new)->next = 0; \ + (new)->prev = 0; \ + } \ + else { \ + (new)->next = (base)->next; \ + (base)->next = (new); \ + (new)->prev = (base); \ + if ((new)->next) (new)->next->prev = (new); \ + } \ + } while (0) +#define DLL_INSERT_NEXT(base, new) DLL_INSERT_NEXT_MOD(base, new, next, prev) +#define DLL_INSERT_PREV(base, new) DLL_INSERT_NEXT_MOD(base, new, next, prev) + +#endif \ No newline at end of file diff --git a/src/core/load_library.c b/src/core/load_library.c new file mode 100755 index 0000000..5a76e5f --- /dev/null +++ b/src/core/load_library.c @@ -0,0 +1,26 @@ +#include "load_library.h" +#ifdef _WIN32 + #ifndef NOMINMAX + #define NOMINMAX + #endif + #ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN + #endif + #include + +API LIB_Library LIB_LoadLibrary(char *str) { + HMODULE module = LoadLibraryA(str); + return (LIB_Library)module; +} + +API void *LIB_LoadSymbol(LIB_Library lib, char *symbol) { + void *result = GetProcAddress((HMODULE)lib, symbol); + return result; +} + +API bool LIB_UnloadLibrary(LIB_Library lib) { + BOOL result = FreeLibrary((HMODULE)lib); + if (result == 0) return false; + return true; +} +#endif // _WIN32 diff --git a/src/core/load_library.h b/src/core/load_library.h new file mode 100755 index 0000000..5a14796 --- /dev/null +++ b/src/core/load_library.h @@ -0,0 +1,14 @@ +#ifndef LIB_LOAD_HEADER +#define LIB_LOAD_HEADER + +typedef void *LIB_Library; + +API LIB_Library LIB_LoadLibrary(char *str); +API void *LIB_LoadSymbol(LIB_Library lib, char *symbol); +API bool LIB_UnloadLibrary(LIB_Library lib); + +#ifndef LIB_EXPORT + #define LIB_EXPORT __declspec(dllexport) +#endif + +#endif \ No newline at end of file diff --git a/src/core/map.c b/src/core/map.c new file mode 100755 index 0000000..8ce2923 --- /dev/null +++ b/src/core/map.c @@ -0,0 +1,103 @@ +#include "map.h" + +API void Map_Reserve(Map *map, int size) { + Map old_map = *map; + + map->len = 0; + map->cap = size; + if (map->cap < 32) { + map->cap = 32; + IO_Assert(map->allocator.p); + } + + size_t byte_size = sizeof(Map_Entry) * map->cap; + map->entries = (Map_Entry *)M_Alloc(map->allocator, byte_size); + MA_MemoryZero(map->entries, byte_size); + + if (old_map.entries) { + for (int i = 0; i < old_map.cap; i += 1) { + Map_Entry *it = old_map.entries + i; + if (it->key) Map_InsertEntry(map, it->key, it->value); + } + M_Dealloc(map->allocator, old_map.entries); + } +} + +API Map_Entry *Map_GetEntryBase(Map *map, uint64_t key) { + IO_Assert(key); + if (map->len * 2 >= map->cap) Map_Reserve(map, map->cap * 2); + + uint64_t hash = HashBytes(&key, sizeof(key)); + if (hash == 0) hash += 1; + uint64_t index = WRAP_AROUND_POWER_OF_2(hash, map->cap); + uint64_t i = index; + for (;;) { + Map_Entry *it = map->entries + i; + if (it->key == key || it->key == 0) { + return it; + } + + i = WRAP_AROUND_POWER_OF_2(i + 1, map->cap); + if (i == index) return NULL; + } + IO_InvalidCodepath(); +} + +API bool Map_InsertWithoutReplace(Map *map, void *key, void *value) { + Map_Entry *entry = Map_GetEntryBase(map, (uint64_t)key); + if (entry->key != 0) return false; + + map->len += 1; + entry->key = (uint64_t)key; + entry->value = (uint64_t)value; + return true; +} + +API Map_Entry *Map_InsertEntry(Map *map, uint64_t key, uint64_t value) { + Map_Entry *entry = Map_GetEntryBase(map, key); + if (entry->key == key) { + entry->value = value; + } + if (entry->key == 0) { + entry->key = key; + entry->value = value; + map->len += 1; + } + return entry; +} + +API Map_Entry *Map_GetEntry(Map *map, uint64_t key) { + Map_Entry *entry = Map_GetEntryBase(map, key); + if (entry && entry->key == key) { + return entry; + } + return NULL; +} + +API void Map_Insert(Map *map, S8_String keystr, void *value) { + uint64_t key = HashBytes(keystr.str, keystr.len); + Map_InsertEntry(map, key, (uint64_t)value); +} + +API void *Map_Get(Map *map, S8_String keystr) { + uint64_t key = HashBytes(keystr.str, keystr.len); + Map_Entry *r = Map_GetEntry(map, key); + return r ? (void *)r->value : 0; +} + +API void Map_InsertU64(Map *map, uint64_t key, void *value) { + Map_InsertEntry(map, key, (uint64_t)value); +} + +API void *Map_GetU64(Map *map, uint64_t key) { + Map_Entry *r = Map_GetEntry(map, key); + return r ? (void *)r->value : 0; +} + +API void *Map_GetP(Map *map, void *key) { + return Map_GetU64(map, (uint64_t)key); +} + +API void Map_InsertP(Map *map, void *key, void *value) { + Map_InsertEntry(map, (uint64_t)key, (uint64_t)value); +} diff --git a/src/core/map.h b/src/core/map.h new file mode 100755 index 0000000..2253ddb --- /dev/null +++ b/src/core/map.h @@ -0,0 +1,27 @@ +#pragma once +typedef struct Map_Entry Map_Entry; +typedef struct Map Map; + +struct Map_Entry { + uint64_t key; + uint64_t value; +}; + +struct Map { + M_Allocator allocator; + Map_Entry *entries; + int cap; + int len; +}; + +API void Map_Reserve(Map *map, int size); +API Map_Entry *Map_GetEntryBase(Map *map, uint64_t key); +API Map_Entry *Map_InsertEntry(Map *map, uint64_t key, uint64_t value); +API Map_Entry *Map_GetEntry(Map *map, uint64_t key); +API void Map_Insert(Map *map, S8_String keystr, void *value); +API void *Map_Get(Map *map, S8_String keystr); +API void Map_InsertU64(Map *map, uint64_t keystr, void *value); +API void *Map_GetU64(Map *map, uint64_t keystr); +API void *Map_GetP(Map *map, void *key); +API void Map_InsertP(Map *map, void *key, void *value); +API void Map_Insert2P(Map *map, void *key, void *value); \ No newline at end of file diff --git a/src/core/multimedia.h b/src/core/multimedia.h new file mode 100755 index 0000000..737a8e0 --- /dev/null +++ b/src/core/multimedia.h @@ -0,0 +1,2112 @@ +#ifndef MU_HEADER +#define MU_HEADER +#include +#include +#include +#ifndef MU_API + #ifdef __cplusplus + #define MU_API extern "C" + #else + #define MU_API + #endif +#endif + +#ifndef MU_FN + #if defined(__GNUC__) || defined(__clang__) + #define MU_FN __attribute__((unused)) static + #else + #define MU_FN static + #endif +#endif + +#ifndef MU_PRIVATE_VAR + #define MU_PRIVATE_VAR MU_FN +#endif + +#ifndef MU_INLINE + #ifndef _MSC_VER + #ifdef __cplusplus + #define MU_INLINE inline + #else + #define MU_INLINE + #endif + #else + #define MU_INLINE __forceinline + #endif +#endif + +#ifndef MU_Float2 + #define MU_Float2 MU__Float2 +typedef struct MU__Float2 { + float x; + float y; +} MU__Float2; +#endif + +#ifndef MU_Int2 + #define MU_Int2 MU__Int2 +typedef struct MU__Int2 { + int x; + int y; +} MU__Int2; +#endif + +//@begin gen_structs +typedef struct MU_UTF32Result MU_UTF32Result; +typedef struct MU_UTF8Result MU_UTF8Result; +typedef struct MU_Win32 MU_Win32; +typedef struct MU_Win32_Window MU_Win32_Window; +typedef struct MU_Window_Params MU_Window_Params; +typedef struct MU_Params MU_Params; +typedef struct MU_Key_State MU_Key_State; +typedef enum MU_Key MU_Key; +typedef struct MU_Mouse_State MU_Mouse_State; +typedef struct MU_DroppedFile MU_DroppedFile; +typedef struct MU_Arena MU_Arena; +typedef struct MU_Window MU_Window; +typedef struct MU_Time MU_Time; +typedef struct MU_Sound MU_Sound; +typedef struct MU_Context MU_Context; +//@end gen_structs + +typedef void *MU_glGetProcAddress(const char *); + +struct MU_Window_Params { + MU_Int2 size; + MU_Int2 pos; + char *title; + bool enable_canvas; + bool resizable; + bool borderless; + bool fps_cursor; +}; + +struct MU_Params { + void *memory; + size_t cap; + + bool enable_opengl; + int opengl_major; + int opengl_minor; + + double delta_time; + MU_Window_Params window; // this controls window when calling MU_Start + void (*sound_callback)(MU_Context *mu, uint16_t *buffer, uint32_t samples_to_fill); +}; + +struct MU_Key_State { + bool down; + bool press; + bool unpress; + bool raw_press; +}; + +enum MU_Key { + MU_KEY_INVALID, + MU_KEY_ESCAPE, + MU_KEY_ENTER, + MU_KEY_TAB, + MU_KEY_BACKSPACE, + MU_KEY_INSERT, + MU_KEY_DELETE, + MU_KEY_RIGHT, + MU_KEY_LEFT, + MU_KEY_DOWN, + MU_KEY_UP, + MU_KEY_PAGE_UP, + MU_KEY_PAGE_DOWN, + MU_KEY_HOME, + MU_KEY_END, + MU_KEY_F1, + MU_KEY_F2, + MU_KEY_F3, + MU_KEY_F4, + MU_KEY_F5, + MU_KEY_F6, + MU_KEY_F7, + MU_KEY_F8, + MU_KEY_F9, + MU_KEY_F10, + MU_KEY_F11, + MU_KEY_F12, + MU_KEY_SPACE = 32, + MU_KEY_APOSTROPHE = 39, + MU_KEY_PLUS = 43, + MU_KEY_COMMA = 44, + MU_KEY_MINUS = 45, + MU_KEY_PERIOD = 46, + MU_KEY_SLASH = 47, + MU_KEY_0 = 48, + MU_KEY_1 = 49, + MU_KEY_2 = 50, + MU_KEY_3 = 51, + MU_KEY_4 = 52, + MU_KEY_5 = 53, + MU_KEY_6 = 54, + MU_KEY_7 = 55, + MU_KEY_8 = 56, + MU_KEY_9 = 57, + MU_KEY_SEMICOLON = 59, + MU_KEY_EQUAL = 61, + MU_KEY_A = 65, + MU_KEY_B = 66, + MU_KEY_C = 67, + MU_KEY_D = 68, + MU_KEY_E = 69, + MU_KEY_F = 70, + MU_KEY_G = 71, + MU_KEY_H = 72, + MU_KEY_I = 73, + MU_KEY_J = 74, + MU_KEY_K = 75, + MU_KEY_L = 76, + MU_KEY_M = 77, + MU_KEY_N = 78, + MU_KEY_O = 79, + MU_KEY_P = 80, + MU_KEY_Q = 81, + MU_KEY_R = 82, + MU_KEY_S = 83, + MU_KEY_T = 84, + MU_KEY_U = 85, + MU_KEY_V = 86, + MU_KEY_W = 87, + MU_KEY_X = 88, + MU_KEY_Y = 89, + MU_KEY_Z = 90, + MU_KEY_LEFT_BRACKET = 91, + MU_KEY_BACKSLASH = 92, + MU_KEY_RIGHT_BRACKET = 93, + MU_KEY_GRAVE_ACCENT = 96, + MU_KEY_F13, + MU_KEY_F14, + MU_KEY_F15, + MU_KEY_F16, + MU_KEY_F17, + MU_KEY_F18, + MU_KEY_F19, + MU_KEY_F20, + MU_KEY_F21, + MU_KEY_F22, + MU_KEY_F23, + MU_KEY_F24, + MU_KEY_KP_0, + MU_KEY_KP_1, + MU_KEY_KP_2, + MU_KEY_KP_3, + MU_KEY_KP_4, + MU_KEY_KP_5, + MU_KEY_KP_6, + MU_KEY_KP_7, + MU_KEY_KP_8, + MU_KEY_KP_9, + MU_KEY_KP_DECIMAL, + MU_KEY_KP_DIVIDE, + MU_KEY_KP_MULTIPLY, + MU_KEY_KP_SUBTRACT, + MU_KEY_KP_ADD, + MU_KEY_KP_ENTER, + MU_KEY_LEFT_SHIFT, + MU_KEY_LEFT_CONTROL, + MU_KEY_LEFT_ALT, + MU_KEY_LEFT_SUPER, + MU_KEY_RIGHT_SHIFT, + MU_KEY_RIGHT_CONTROL, + MU_KEY_RIGHT_ALT, + MU_KEY_RIGHT_SUPER, + MU_KEY_CAPS_LOCK, + MU_KEY_SCROLL_LOCK, + MU_KEY_NUM_LOCK, + MU_KEY_PRINT_SCREEN, + MU_KEY_PAUSE, + MU_KEY_SHIFT, + MU_KEY_CONTROL, + MU_KEY_COUNT, +}; + +struct MU_Mouse_State { + MU_Int2 pos; + MU_Float2 posf; + MU_Int2 delta_pos; + MU_Float2 delta_pos_normalized; + MU_Key_State left; + MU_Key_State middle; + MU_Key_State right; + float delta_wheel; // @todo: add smooth delta? +}; + +struct MU_DroppedFile { + MU_DroppedFile *next; + char *filename; // null terminated + int filename_size; +}; + +struct MU_Arena { + char *memory; + size_t len; + size_t cap; +}; + +// Most of the fields in the window struct are read only. They are updated +// in appropriate update functions. The window should belong to the MU_Context +// but you get access to the information. +struct MU_Window { + MU_Int2 size; + MU_Float2 sizef; + MU_Int2 pos; + MU_Float2 posf; + float dpi_scale; + bool is_fullscreen; + bool is_fps_mode; + bool is_focused; + bool change_cursor_on_mouse_hold; // @in @out + uint64_t processed_events_this_frame; + bool should_render; // @in @out this is false on first frame but it doesn't matter cause it shouldnt be rendered + + MU_DroppedFile *first_dropped_file; + + uint32_t *canvas; + bool canvas_enabled; // @in @out + + MU_Mouse_State mouse; + MU_Key_State key[MU_KEY_COUNT]; + + uint32_t user_text32[32]; + int user_text32_count; + + char user_text8[32]; + int user_text8_count; + + MU_Window *next; + void *handle; + void *platform; +}; + +struct MU_Time { + double app_start; + double frame_start; + + double update; + double update_total; + + double delta; + float deltaf; + double total; + float totalf; +}; + +struct MU_Sound { + bool initialized; + unsigned samples_per_second; + unsigned number_of_channels; + unsigned bytes_per_sample; + void (*callback)(MU_Context *mu, uint16_t *buffer, uint32_t samples_to_fill); +}; + +struct MU_Context { + bool quit; + + MU_Sound sound; + MU_Time time; + bool first_frame; + int _MU_Update_count; + size_t frame; + size_t consecutive_missed_frames; + size_t total_missed_frames; + + MU_Int2 primary_monitor_size; + bool opengl_initialized; + int opengl_major; + int opengl_minor; + void *(*gl_get_proc_address)(const char *str); + + MU_Params params; + MU_Window *window; + MU_Window *all_windows; + MU_Arena perm_arena; + MU_Arena frame_arena; // Reset at beginning of MU_Update + void *platform; +}; + +//@begin gen_api_funcs +MU_API void MU_Quit(MU_Context *mu); +MU_API void MU_DefaultSoundCallback(MU_Context *mu, uint16_t *buffer, uint32_t samples_to_fill); +MU_API double MU_GetTime(void); +MU_API void MU_ToggleFPSMode(MU_Window *window); +MU_API void MU_DisableFPSMode(MU_Window *window); +MU_API void MU_EnableFPSMode(MU_Window *window); +MU_API void MU_ToggleFullscreen(MU_Window *window); +MU_API void MU_Init(MU_Context *mu, MU_Params params, size_t len); +MU_API MU_Window *MU_AddWindow(MU_Context *mu, MU_Window_Params params); +MU_API void MU_InitWindow(MU_Context *mu, MU_Window *window, MU_Window_Params params); +MU_API MU_Context *MU_Start(MU_Params params); +MU_API bool MU_Update(MU_Context *mu); +//@end gen_api_funcs + +/* @! In the future, api for processing messages manually + + while(true) { + MU_Event event; + while (mu_get_event_blocking(&event)) { + switch(event.kind) { + + } + } + } + +typedef int MU_Modifier; +enum MU_Modifier { + MU_MODIFIER_SHIFT = 0x1, // left or right shift key + MU_MODIFIER_CTRL = 0x2, // left or right control key + MU_MODIFIER_ALT = 0x4, // left or right alt key + MU_MODIFIER_SUPER = 0x8, // left or right 'super' key + MU_MODIFIER_LMB = 0x100, // left mouse button + MU_MODIFIER_RMB = 0x200, // right mouse button + MU_MODIFIER_MMB = 0x400, // middle mouse button +}; + +typedef enum MU_Event_Kind { + MU_EVENT_KIND_INVALID, + MU_EVENT_KIND_KEY_DOWN, + MU_EVENT_KIND_KEY_UP, + MU_EVENT_KIND_MOUSE_MOVE, +} MU_Event_Kind; + +typedef struct MU_Event { + MU_Event_Kind kind; + MU_Modifier modifier; + MU_Key key; +} MU_Event; + + + */ + +#endif // MU_HEADER +#ifdef MU_IMPLEMENTATION +#ifdef _WIN32 + #ifndef NOMINMAX + #define NOMINMAX + #endif + #ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN + #endif + #include + #include // for handling dropped files + + #define INITGUID + #define CINTERFACE + #define COBJMACROS + #define CONST_VTABLE + #include + #include + #include + #include + + // + // Automatically linking with the libraries + // + #pragma comment(lib, "gdi32.lib") + #pragma comment(lib, "user32.lib") + #pragma comment(lib, "shell32.lib") // For handling dropping files into the app +#endif +MU_FN void *MU_PushSize(MU_Arena *ar, size_t size); +MU_FN MU_UTF32Result MU_UTF16ToUTF32(uint16_t *c, int max_advance); +MU_FN MU_UTF8Result MU_UTF32ToUTF8(uint32_t codepoint); +MU_FN int64_t MU_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wchar_t *in, int64_t inlen); +MU_FN void MU_WIN32_UpdateFocusedWindowBasedOnHandle(MU_Context *mu, HWND handle); +MU_FN void MU_WIN32_UpdateFocusedWindow(MU_Context *mu); +MU_FN void MU_Win32_GetWindowSize(HWND window, int *x, int *y); +MU_FN void MU_WIN32_GetWindowPos(HWND window, int *x, int *y); +MU_FN MU_Int2 MU_WIN32_GetMousePosition(HWND window); +MU_FN MU_Int2 MU_WIN32_GetMousePositionInverted(HWND window, int y); +MU_FN void MU_WIN32_CreateCanvas(MU_Window *window); +MU_FN void MU_WIN32_DestroyCanvas(MU_Window *window); +MU_FN void MU_WIN32_DrawCanvas(MU_Window *window); +MU_FN void MU__MemoryCopy(void *dst, const void *src, size_t size); +MU_FN void MU_PushDroppedFile(MU_Context *mu, MU_Window *window, char *str, int size); +MU_FN void MU_UpdateWindowState(MU_Window *window); +MU_FN int MU__AreStringsEqual(const char *src, const char *dst, size_t dstlen); +MU_FN void *MU_Win32_GLGetWindowProcAddressForGlad(const char *proc); +MU_FN void MU_WIN32_GetWGLFunctions(MU_Context *mu); +MU_FN void MU_WIN32_TryToInitGLContextForWindow(MU_Context *mu, MU_Win32_Window *w32_window); +MU_FN void MU_WIN32_DeinitSound(MU_Context *mu); +MU_FN void MU_WIN32_LoadCOM(MU_Context *mu); +MU_FN DWORD MU_WIN32_SoundThread(void *parameter); +MU_FN void MU_WIN32_InitWasapi(MU_Context *mu); + +#ifndef MU_GL_ENABLE_MULTISAMPLING + #define MU_GL_ENABLE_MULTISAMPLING 1 +#endif + +#ifndef MU_GL_BUILD_DEBUG + #define MU_GL_BUILD_DEBUG 1 +#endif + +#ifndef MU_ASSERT_CODE + #define MU_ASSERT_CODE(x) x +#endif + +#ifndef MU_ASSERT + #include + #define MU_ASSERT(x) assert(x) +#endif + +/* Quake uses this to sleep when user is not interacting with app + void SleepUntilInput (int time) + { + MsgWaitForMultipleObjects(1, &tevent, FALSE, time, QS_ALLINPUT); + } + + if ((cl.paused && (!ActiveApp && !DDActive)) || Minimized || block_drawing) + { + SleepUntilInput (PAUSE_SLEEP); + scr_skipupdate = 1; // no point in bothering to draw + } + else if (!ActiveApp && !DDActive) + { + SleepUntilInput (NOT_FOCUS_SLEEP); + } + */ +// @! Add native handle to MU_Context for Directx 11 initialize +// @! Add option to manually blit, some manual blit param and manual blit function +// @! Add ram info? https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-globalmemorystatusex +// @! Maybe make the library friendly to people who dont use debuggers +// @! Set window title +// @! Good defaults for multiple windows ?? + +struct MU_UTF32Result { + uint32_t out_str; + int advance; + int error; +}; + +struct MU_UTF8Result { + char out_str[4]; + int len; + int error; +}; + +#define MU_ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#define MU_STACK_ADD_MOD(stack_base, new_stack_base, next) \ + do { \ + (new_stack_base)->next = (stack_base); \ + (stack_base) = (new_stack_base); \ + } while (0) +#define MU_STACK_ADD(stack_base, new_stack_base) \ + MU_STACK_ADD_MOD(stack_base, new_stack_base, next) + +MU_API void MU_Quit(MU_Context *mu) { + mu->quit = true; +} + +MU_API void MU_DefaultSoundCallback(MU_Context *mu, uint16_t *buffer, uint32_t samples_to_fill) { +} + +MU_INLINE void MU__WriteChar8(MU_Window *window, char *c, int len) { + if (window->user_text8_count + len < MU_ARRAY_SIZE(window->user_text8)) { + for (int i = 0; i < len; i += 1) { + window->user_text8[window->user_text8_count++] = c[i]; + } + } +} + +MU_INLINE void MU__WriteChar32(MU_Window *window, uint32_t c) { + if (window->user_text32_count + 1 < MU_ARRAY_SIZE(window->user_text32)) { + window->user_text32[window->user_text32_count++] = c; + } +} + +MU_INLINE void MU__KeyDown(MU_Window *window, MU_Key key) { + if (window->key[key].down == false) + window->key[key].press = true; + window->key[key].down = true; + window->key[key].raw_press = true; +} + +MU_INLINE void MU__ZeroMemory(void *p, size_t size) { + uint8_t *p8 = (uint8_t *)p; + for (size_t i = 0; i < size; i += 1) { + p8[i] = 0; + } +} + +MU_INLINE size_t MU__GetAlignOffset(size_t size, size_t align) { + size_t mask = align - 1; + size_t val = size & mask; + if (val) { + val = align - val; + } + return val; +} + +MU_INLINE void MU__KeyUP(MU_Window *window, MU_Key key) { + if (window->key[key].down == true) + window->key[key].unpress = true; + window->key[key].down = false; +} + +MU_INLINE bool MU_DoesSizeFit(MU_Arena *ar, size_t size) { + const size_t alignment = 16; + size_t align = MU__GetAlignOffset((uintptr_t)ar->memory + ar->len, alignment); + size_t cursor = ar->len + align; + bool result = cursor + size <= ar->cap; + return result; +} + +#define MU_PUSH_STRUCT(mu, T) (T *)MU_PushSize(mu, sizeof(T)) +MU_FN void *MU_PushSize(MU_Arena *ar, size_t size) { + const size_t alignment = 16; + + ar->len += MU__GetAlignOffset((uintptr_t)ar->memory + ar->len, alignment); + if (ar->len + size > ar->cap) { + MU_ASSERT(!"MU_Context has not enough memory for what you are trying to do!"); + } + + void *result = (void *)(ar->memory + ar->len); + ar->len += size; + MU_ASSERT(ar->len < ar->cap); + MU__ZeroMemory(result, size); + return result; +} + +MU_FN MU_UTF32Result MU_UTF16ToUTF32(uint16_t *c, int max_advance) { + MU_UTF32Result result; + MU__ZeroMemory(&result, sizeof(result)); + if (max_advance >= 1) { + result.advance = 1; + result.out_str = c[0]; + if (c[0] >= 0xD800 && c[0] <= 0xDBFF && c[1] >= 0xDC00 && c[1] <= 0xDFFF) { + if (max_advance >= 2) { + result.out_str = 0x10000; + result.out_str += (uint32_t)(c[0] & 0x03FF) << 10u | (c[1] & 0x03FF); + result.advance = 2; + } + else + result.error = 2; + } + } + else { + result.error = 1; + } + return result; +} + +MU_FN MU_UTF8Result MU_UTF32ToUTF8(uint32_t codepoint) { + MU_UTF8Result result; + MU__ZeroMemory(&result, sizeof(result)); + if (codepoint <= 0x7F) { + result.len = 1; + result.out_str[0] = (char)codepoint; + } + else if (codepoint <= 0x7FF) { + result.len = 2; + result.out_str[0] = 0xc0 | (0x1f & (codepoint >> 6)); + result.out_str[1] = 0x80 | (0x3f & codepoint); + } + else if (codepoint <= 0xFFFF) { // 16 bit word + result.len = 3; + result.out_str[0] = 0xe0 | (0xf & (codepoint >> 12)); // 4 bits + result.out_str[1] = 0x80 | (0x3f & (codepoint >> 6)); // 6 bits + result.out_str[2] = 0x80 | (0x3f & codepoint); // 6 bits + } + else if (codepoint <= 0x10FFFF) { // 21 bit word + result.len = 4; + result.out_str[0] = 0xf0 | (0x7 & (codepoint >> 18)); // 3 bits + result.out_str[1] = 0x80 | (0x3f & (codepoint >> 12)); // 6 bits + result.out_str[2] = 0x80 | (0x3f & (codepoint >> 6)); // 6 bits + result.out_str[3] = 0x80 | (0x3f & codepoint); // 6 bits + } + else { + result.error = true; + } + + return result; +} + +// @warning: this function is a little different from usual, returns -1 on decode errors +MU_FN int64_t MU_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wchar_t *in, int64_t inlen) { + int64_t outlen = 0; + for (int64_t i = 0; i < inlen && in[i] != 0;) { + MU_UTF32Result decode = MU_UTF16ToUTF32((uint16_t *)(in + i), (int)(inlen - i)); + if (!decode.error) { + i += decode.advance; + MU_UTF8Result encode = MU_UTF32ToUTF8(decode.out_str); + if (!encode.error) { + for (int64_t j = 0; j < encode.len; j++) { + if (outlen >= buffer_size) { + outlen = -1; + goto failed_to_decode; + } + buffer[outlen++] = encode.out_str[j]; + } + } + else { + outlen = -1; + goto failed_to_decode; + } + } + else { + outlen = -1; + goto failed_to_decode; + } + } + + buffer[outlen] = 0; +failed_to_decode:; + return outlen; +} + +#ifdef _WIN32 + #define MU_DEFAULT_MEMORY_SIZE (1024 * 4) + +// Typedefines for the COM functions which are going to be loaded currently only required for sound +typedef HRESULT CoCreateInstanceFunction(REFCLSID rclsid, LPUNKNOWN *pUnkOuter, DWORD dwClsContext, REFIID riid, LPVOID *ppv); +typedef HRESULT CoInitializeExFunction(LPVOID pvReserved, DWORD dwCoInit); + +struct MU_Win32 { + WNDCLASSW wc; + bool good_scheduling; + MU_glGetProcAddress *wgl_get_proc_address; + HMODULE opengl32; + + HCURSOR cursor_hand; + HCURSOR cursor_arrow; + + // Sound + IMMDevice *device; + IAudioClient *audio_client; + IMMDeviceEnumerator *device_enum; + IAudioRenderClient *audio_render_client; + + uint32_t buffer_frame_count; + // IAudioCaptureClient *audio_capture_client; + + // Pointers to the functions from the dll + CoCreateInstanceFunction *CoCreateInstanceFunctionPointer; + CoInitializeExFunction *CoInitializeExFunctionPointer; +}; + +struct MU_Win32_Window { + HDC handle_dc; + HDC canvas_dc; + HBITMAP canvas_dib; + + // for fullscreen + WINDOWPLACEMENT prev_placement; + DWORD style; +}; + +MU_API double MU_GetTime(void) { + static int64_t counts_per_second; + if (counts_per_second == 0) { + LARGE_INTEGER freq; + QueryPerformanceFrequency(&freq); + counts_per_second = freq.QuadPart; + } + + LARGE_INTEGER time; + QueryPerformanceCounter(&time); + double result = (double)time.QuadPart / (double)counts_per_second; + return result; +} + +MU_FN void MU_WIN32_UpdateFocusedWindowBasedOnHandle(MU_Context *mu, HWND handle) { + if (mu->all_windows == 0) return; + for (MU_Window *it = mu->all_windows; it; it = it->next) { + if (it->handle == handle) { + mu->window = it; + return; + } + } +} + +MU_FN void MU_WIN32_UpdateFocusedWindow(MU_Context *mu) { + HWND handle = GetFocus(); + if (handle) { + MU_WIN32_UpdateFocusedWindowBasedOnHandle(mu, handle); + } +} + +MU_FN void MU_Win32_GetWindowSize(HWND window, int *x, int *y) { + RECT window_rect; + GetClientRect(window, &window_rect); + *x = window_rect.right - window_rect.left; + *y = window_rect.bottom - window_rect.top; +} + +MU_FN void MU_WIN32_GetWindowPos(HWND window, int *x, int *y) { + POINT point = {0, 0}; + ClientToScreen(window, &point); + *x = point.x; + *y = point.y; +} + +MU_FN MU_Int2 MU_WIN32_GetMousePosition(HWND window) { + POINT p; + GetCursorPos(&p); + ScreenToClient(window, &p); + MU_Int2 result = {p.x, p.y}; + return result; +} + +MU_FN MU_Int2 MU_WIN32_GetMousePositionInverted(HWND window, int y) { + MU_Int2 result = MU_WIN32_GetMousePosition(window); + result.y = y - result.y; + return result; +} + +MU_FN void MU_WIN32_CreateCanvas(MU_Window *window) { + MU_Win32_Window *w32_window = (MU_Win32_Window *)window->platform; + + MU_ASSERT(window->canvas == 0); + + BITMAPINFO bminfo; + { + MU__ZeroMemory(&bminfo, sizeof(bminfo)); + bminfo.bmiHeader.biSize = sizeof(bminfo.bmiHeader); + bminfo.bmiHeader.biWidth = (LONG)window->size.x; + bminfo.bmiHeader.biHeight = (LONG)window->size.y; + bminfo.bmiHeader.biPlanes = 1; + bminfo.bmiHeader.biBitCount = 32; + bminfo.bmiHeader.biCompression = BI_RGB; // AA RR GG BB + bminfo.bmiHeader.biXPelsPerMeter = 1; + bminfo.bmiHeader.biYPelsPerMeter = 1; + } + w32_window->canvas_dib = CreateDIBSection(w32_window->handle_dc, &bminfo, DIB_RGB_COLORS, (void **)&window->canvas, 0, 0); + w32_window->canvas_dc = CreateCompatibleDC(w32_window->handle_dc); +} + +MU_FN void MU_WIN32_DestroyCanvas(MU_Window *window) { + MU_Win32_Window *w32_window = (MU_Win32_Window *)window->platform; + if (window->canvas) { + DeleteDC(w32_window->canvas_dc); + DeleteObject(w32_window->canvas_dib); + w32_window->canvas_dc = 0; + w32_window->canvas_dib = 0; + window->canvas = 0; + } +} + +MU_FN void MU_WIN32_DrawCanvas(MU_Window *window) { + if (window->canvas) { + MU_Win32_Window *w32_window = (MU_Win32_Window *)window->platform; + SelectObject(w32_window->canvas_dc, w32_window->canvas_dib); + BitBlt(w32_window->handle_dc, 0, 0, window->size.x, window->size.y, w32_window->canvas_dc, 0, 0, SRCCOPY); + } +} + +MU_API void MU_ToggleFPSMode(MU_Window *window) { + ShowCursor(window->is_fps_mode); + window->is_fps_mode = !window->is_fps_mode; +} + +MU_API void MU_DisableFPSMode(MU_Window *window) { + if (window->is_fps_mode == true) MU_ToggleFPSMode(window); +} + +MU_API void MU_EnableFPSMode(MU_Window *window) { + if (window->is_fps_mode == false) MU_ToggleFPSMode(window); +} + +MU_FN void MU__MemoryCopy(void *dst, const void *src, size_t size) { + char *src8 = (char *)src; + char *dst8 = (char *)dst; + while (size--) *dst8++ = *src8++; +} + +// https://devblogs.microsoft.com/oldnewthing/20100412-00/?p=14353 +MU_API void MU_ToggleFullscreen(MU_Window *window) { + MU_Win32_Window *w32_window = (MU_Win32_Window *)window->platform; + DWORD dwStyle = GetWindowLong((HWND)window->handle, GWL_STYLE); + if (window->is_fullscreen == false) { + MONITORINFO mi = {sizeof(mi)}; + if (GetWindowPlacement((HWND)window->handle, &w32_window->prev_placement) && + GetMonitorInfo(MonitorFromWindow((HWND)window->handle, MONITOR_DEFAULTTOPRIMARY), &mi)) { + SetWindowLong((HWND)window->handle, GWL_STYLE, dwStyle & ~WS_OVERLAPPEDWINDOW); + BOOL result = SetWindowPos((HWND)window->handle, HWND_TOP, + mi.rcMonitor.left, mi.rcMonitor.top, + mi.rcMonitor.right - mi.rcMonitor.left, + mi.rcMonitor.bottom - mi.rcMonitor.top, + SWP_NOOWNERZORDER | SWP_FRAMECHANGED); + if (result) window->is_fullscreen = true; + } + } + else { + SetWindowLong((HWND)window->handle, GWL_STYLE, w32_window->style); + SetWindowPlacement((HWND)window->handle, &w32_window->prev_placement); + BOOL result = SetWindowPos((HWND)window->handle, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_FRAMECHANGED); + if (result) window->is_fullscreen = false; + } +} + +MU_FN void MU_PushDroppedFile(MU_Context *mu, MU_Window *window, char *str, int size) { + if (MU_DoesSizeFit(&mu->frame_arena, sizeof(MU_DroppedFile) + size)) { + MU_DroppedFile *result = MU_PUSH_STRUCT(&mu->frame_arena, MU_DroppedFile); + result->filename = (char *)MU_PushSize(&mu->frame_arena, size + 1); + result->filename_size = size; + MU__MemoryCopy(result->filename, str, size); + result->filename[size] = 0; + + result->next = window->first_dropped_file; + window->first_dropped_file = result; + } +} + +// Should be initialized before processing events +// Should be initialized before initializing opengl functions using GLAD +static MU_Context *MU_WIN32_ContextPointerForEventHandling = 0; +static LRESULT CALLBACK MU_WIN32_WindowProc(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam) { + MU_Context *mu = MU_WIN32_ContextPointerForEventHandling; + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + + MU_WIN32_UpdateFocusedWindowBasedOnHandle(mu, wnd); + MU_Window *window = mu->window ? mu->window : 0; + if (window) window->processed_events_this_frame += 1; + + (void)w32; + switch (msg) { + + case WM_DROPFILES: { + wchar_t buffer[512]; + char buffer8[1024]; + + HDROP hdrop = (HDROP)wparam; + int file_count = (int)DragQueryFileW(hdrop, 0xffffffff, NULL, 0); + bool drop_failed = false; + for (int i = 0; i < file_count; i += 1) { + // UINT num_chars = DragQueryFileW(hdrop, i, NULL, 0) + 1; + // WCHAR* buffer = (WCHAR*) _sapp_malloc_clear(num_chars * sizeof(WCHAR)); + UINT result = DragQueryFileW(hdrop, i, buffer, MU_ARRAY_SIZE(buffer)); + MU_ASSERT(result != 0); + if (result) { + int64_t size = MU_CreateCharFromWidechar(buffer8, MU_ARRAY_SIZE(buffer8), buffer, MU_ARRAY_SIZE(buffer)); + if (size != -1) { + MU_PushDroppedFile(mu, window, buffer8, (int)size); + } + } + } + DragFinish(hdrop); + } break; + + case WM_CLOSE: { + // @! Make sure that focus works + // @! We should find the window and make sure we inform it that the user clicked the close button + PostQuitMessage(0); + mu->quit = true; + } break; + + case WM_LBUTTONDOWN: { + SetCapture(wnd); + if (window->change_cursor_on_mouse_hold) SetCursor(w32->cursor_hand); + if (window->mouse.left.down == false) + window->mouse.left.press = true; + window->mouse.left.down = true; + } break; + + case WM_LBUTTONUP: { + ReleaseCapture(); + if (window->change_cursor_on_mouse_hold) SetCursor(w32->cursor_arrow); + if (window->mouse.left.down == true) + window->mouse.left.unpress = true; + window->mouse.left.down = false; + } break; + + case WM_RBUTTONDOWN: { + SetCapture(wnd); + if (window->mouse.right.down == false) + window->mouse.right.press = true; + window->mouse.right.down = true; + } break; + + case WM_RBUTTONUP: { + ReleaseCapture(); + if (window->mouse.right.down == true) + window->mouse.right.unpress = true; + window->mouse.right.down = false; + } break; + + case WM_MBUTTONDOWN: { + SetCapture(wnd); + if (window->mouse.middle.down == false) + window->mouse.middle.press = true; + window->mouse.middle.down = true; + } break; + + case WM_MBUTTONUP: { + ReleaseCapture(); + if (window->mouse.middle.down == true) + window->mouse.middle.unpress = true; + window->mouse.middle.down = false; + } break; + + case WM_MOUSEWHEEL: { + if ((int)wparam > 0) { + window->mouse.delta_wheel += 1.0f; + } + else { + window->mouse.delta_wheel -= 1.0f; + } + } break; + + case WM_CHAR: { + MU_UTF32Result encode = MU_UTF16ToUTF32((uint16_t *)&wparam, 2); + if (encode.error) { + MU__WriteChar32(window, (uint32_t)'?'); + MU__WriteChar8(window, "?", 1); + } + else { + MU__WriteChar32(window, encode.out_str); + } + + // Utf8 encode + if (encode.error == false) { + MU_UTF8Result encode8 = MU_UTF32ToUTF8(encode.out_str); + if (encode8.error) { + MU__WriteChar8(window, "?", 1); + } + else { + MU__WriteChar8(window, encode8.out_str, encode8.len); + } + } + } break; + + case WM_KEYUP: + case WM_SYSKEYUP: { + switch (wparam) { + case VK_ESCAPE: MU__KeyUP(window, MU_KEY_ESCAPE); break; + case VK_RETURN: MU__KeyUP(window, MU_KEY_ENTER); break; + case VK_TAB: MU__KeyUP(window, MU_KEY_TAB); break; + case VK_BACK: MU__KeyUP(window, MU_KEY_BACKSPACE); break; + case VK_INSERT: MU__KeyUP(window, MU_KEY_INSERT); break; + case VK_DELETE: MU__KeyUP(window, MU_KEY_DELETE); break; + case VK_RIGHT: MU__KeyUP(window, MU_KEY_RIGHT); break; + case VK_LEFT: MU__KeyUP(window, MU_KEY_LEFT); break; + case VK_DOWN: MU__KeyUP(window, MU_KEY_DOWN); break; + case VK_UP: MU__KeyUP(window, MU_KEY_UP); break; + case VK_PRIOR: MU__KeyUP(window, MU_KEY_PAGE_UP); break; + case VK_NEXT: MU__KeyUP(window, MU_KEY_PAGE_DOWN); break; + case VK_END: MU__KeyUP(window, MU_KEY_HOME); break; + case VK_HOME: MU__KeyUP(window, MU_KEY_END); break; + case VK_F1: MU__KeyUP(window, MU_KEY_F1); break; + case VK_F2: MU__KeyUP(window, MU_KEY_F2); break; + case VK_F3: MU__KeyUP(window, MU_KEY_F3); break; + case VK_F4: MU__KeyUP(window, MU_KEY_F4); break; + case VK_F5: MU__KeyUP(window, MU_KEY_F5); break; + case VK_F6: MU__KeyUP(window, MU_KEY_F6); break; + case VK_F7: MU__KeyUP(window, MU_KEY_F7); break; + case VK_F8: MU__KeyUP(window, MU_KEY_F8); break; + case VK_F9: MU__KeyUP(window, MU_KEY_F9); break; + case VK_F10: MU__KeyUP(window, MU_KEY_F10); break; + case VK_F11: MU__KeyUP(window, MU_KEY_F11); break; + case VK_F12: MU__KeyUP(window, MU_KEY_F12); break; + case VK_SPACE: MU__KeyUP(window, MU_KEY_SPACE); break; + case VK_OEM_PLUS: MU__KeyUP(window, MU_KEY_PLUS); break; + case VK_OEM_COMMA: MU__KeyUP(window, MU_KEY_COMMA); break; + case VK_OEM_MINUS: MU__KeyUP(window, MU_KEY_MINUS); break; + case VK_OEM_PERIOD: MU__KeyUP(window, MU_KEY_PERIOD); break; + case '0': MU__KeyUP(window, MU_KEY_0); break; + case '1': MU__KeyUP(window, MU_KEY_1); break; + case '2': MU__KeyUP(window, MU_KEY_2); break; + case '3': MU__KeyUP(window, MU_KEY_3); break; + case '4': MU__KeyUP(window, MU_KEY_4); break; + case '5': MU__KeyUP(window, MU_KEY_5); break; + case '6': MU__KeyUP(window, MU_KEY_6); break; + case '7': MU__KeyUP(window, MU_KEY_7); break; + case '8': MU__KeyUP(window, MU_KEY_8); break; + case '9': MU__KeyUP(window, MU_KEY_9); break; + case ';': MU__KeyUP(window, MU_KEY_SEMICOLON); break; + case '=': MU__KeyUP(window, MU_KEY_EQUAL); break; + case 'A': MU__KeyUP(window, MU_KEY_A); break; + case 'B': MU__KeyUP(window, MU_KEY_B); break; + case 'C': MU__KeyUP(window, MU_KEY_C); break; + case 'D': MU__KeyUP(window, MU_KEY_D); break; + case 'E': MU__KeyUP(window, MU_KEY_E); break; + case 'F': MU__KeyUP(window, MU_KEY_F); break; + case 'G': MU__KeyUP(window, MU_KEY_G); break; + case 'H': MU__KeyUP(window, MU_KEY_H); break; + case 'I': MU__KeyUP(window, MU_KEY_I); break; + case 'J': MU__KeyUP(window, MU_KEY_J); break; + case 'K': MU__KeyUP(window, MU_KEY_K); break; + case 'L': MU__KeyUP(window, MU_KEY_L); break; + case 'M': MU__KeyUP(window, MU_KEY_M); break; + case 'N': MU__KeyUP(window, MU_KEY_N); break; + case 'O': MU__KeyUP(window, MU_KEY_O); break; + case 'P': MU__KeyUP(window, MU_KEY_P); break; + case 'Q': MU__KeyUP(window, MU_KEY_Q); break; + case 'R': MU__KeyUP(window, MU_KEY_R); break; + case 'S': MU__KeyUP(window, MU_KEY_S); break; + case 'T': MU__KeyUP(window, MU_KEY_T); break; + case 'U': MU__KeyUP(window, MU_KEY_U); break; + case 'V': MU__KeyUP(window, MU_KEY_V); break; + case 'W': MU__KeyUP(window, MU_KEY_W); break; + case 'X': MU__KeyUP(window, MU_KEY_X); break; + case 'Y': MU__KeyUP(window, MU_KEY_Y); break; + case 'Z': MU__KeyUP(window, MU_KEY_Z); break; + case VK_F13: MU__KeyUP(window, MU_KEY_F13); break; + case VK_F14: MU__KeyUP(window, MU_KEY_F14); break; + case VK_F15: MU__KeyUP(window, MU_KEY_F15); break; + case VK_F16: MU__KeyUP(window, MU_KEY_F16); break; + case VK_F17: MU__KeyUP(window, MU_KEY_F17); break; + case VK_F18: MU__KeyUP(window, MU_KEY_F18); break; + case VK_F19: MU__KeyUP(window, MU_KEY_F19); break; + case VK_F20: MU__KeyUP(window, MU_KEY_F20); break; + case VK_F21: MU__KeyUP(window, MU_KEY_F21); break; + case VK_F22: MU__KeyUP(window, MU_KEY_F22); break; + case VK_F23: MU__KeyUP(window, MU_KEY_F23); break; + case VK_F24: MU__KeyUP(window, MU_KEY_F24); break; + case 0x60: MU__KeyUP(window, MU_KEY_KP_0); break; + case 0x61: MU__KeyUP(window, MU_KEY_KP_1); break; + case 0x62: MU__KeyUP(window, MU_KEY_KP_2); break; + case 0x63: MU__KeyUP(window, MU_KEY_KP_3); break; + case 0x64: MU__KeyUP(window, MU_KEY_KP_4); break; + case 0x65: MU__KeyUP(window, MU_KEY_KP_5); break; + case 0x66: MU__KeyUP(window, MU_KEY_KP_6); break; + case 0x67: MU__KeyUP(window, MU_KEY_KP_7); break; + case 0x68: MU__KeyUP(window, MU_KEY_KP_8); break; + case 0x69: MU__KeyUP(window, MU_KEY_KP_9); break; + case VK_DECIMAL: MU__KeyUP(window, MU_KEY_KP_DECIMAL); break; + case VK_DIVIDE: MU__KeyUP(window, MU_KEY_KP_DIVIDE); break; + case VK_MULTIPLY: MU__KeyUP(window, MU_KEY_KP_MULTIPLY); break; + case VK_SUBTRACT: MU__KeyUP(window, MU_KEY_KP_SUBTRACT); break; + case VK_ADD: MU__KeyUP(window, MU_KEY_KP_ADD); break; + case VK_LMENU: MU__KeyUP(window, MU_KEY_LEFT_ALT); break; + case VK_LWIN: MU__KeyUP(window, MU_KEY_LEFT_SUPER); break; + case VK_CONTROL: MU__KeyUP(window, MU_KEY_CONTROL); break; + case VK_SHIFT: MU__KeyUP(window, MU_KEY_SHIFT); break; + case VK_LSHIFT: MU__KeyUP(window, MU_KEY_LEFT_SHIFT); break; + case VK_LCONTROL: MU__KeyUP(window, MU_KEY_LEFT_CONTROL); break; + case VK_RSHIFT: MU__KeyUP(window, MU_KEY_RIGHT_SHIFT); break; + case VK_RCONTROL: MU__KeyUP(window, MU_KEY_RIGHT_CONTROL); break; + case VK_RMENU: MU__KeyUP(window, MU_KEY_RIGHT_ALT); break; + case VK_RWIN: MU__KeyUP(window, MU_KEY_RIGHT_SUPER); break; + case VK_CAPITAL: MU__KeyUP(window, MU_KEY_CAPS_LOCK); break; + case VK_SCROLL: MU__KeyUP(window, MU_KEY_SCROLL_LOCK); break; + case VK_NUMLOCK: MU__KeyUP(window, MU_KEY_NUM_LOCK); break; + case VK_SNAPSHOT: MU__KeyUP(window, MU_KEY_PRINT_SCREEN); break; + case VK_PAUSE: MU__KeyUP(window, MU_KEY_PAUSE); break; + } + } break; + + case WM_KEYDOWN: + case WM_SYSKEYDOWN: { + switch (wparam) { + case VK_ESCAPE: MU__KeyDown(window, MU_KEY_ESCAPE); break; + case VK_RETURN: MU__KeyDown(window, MU_KEY_ENTER); break; + case VK_TAB: MU__KeyDown(window, MU_KEY_TAB); break; + case VK_BACK: MU__KeyDown(window, MU_KEY_BACKSPACE); break; + case VK_INSERT: MU__KeyDown(window, MU_KEY_INSERT); break; + case VK_DELETE: MU__KeyDown(window, MU_KEY_DELETE); break; + case VK_RIGHT: MU__KeyDown(window, MU_KEY_RIGHT); break; + case VK_LEFT: MU__KeyDown(window, MU_KEY_LEFT); break; + case VK_DOWN: MU__KeyDown(window, MU_KEY_DOWN); break; + case VK_UP: MU__KeyDown(window, MU_KEY_UP); break; + case VK_PRIOR: MU__KeyDown(window, MU_KEY_PAGE_UP); break; + case VK_NEXT: MU__KeyDown(window, MU_KEY_PAGE_DOWN); break; + case VK_END: MU__KeyDown(window, MU_KEY_HOME); break; + case VK_HOME: MU__KeyDown(window, MU_KEY_END); break; + case VK_F1: MU__KeyDown(window, MU_KEY_F1); break; + case VK_F2: MU__KeyDown(window, MU_KEY_F2); break; + case VK_F3: MU__KeyDown(window, MU_KEY_F3); break; + case VK_F4: MU__KeyDown(window, MU_KEY_F4); break; + case VK_F5: MU__KeyDown(window, MU_KEY_F5); break; + case VK_F6: MU__KeyDown(window, MU_KEY_F6); break; + case VK_F7: MU__KeyDown(window, MU_KEY_F7); break; + case VK_F8: MU__KeyDown(window, MU_KEY_F8); break; + case VK_F9: MU__KeyDown(window, MU_KEY_F9); break; + case VK_F10: MU__KeyDown(window, MU_KEY_F10); break; + case VK_F11: MU__KeyDown(window, MU_KEY_F11); break; + case VK_F12: MU__KeyDown(window, MU_KEY_F12); break; + case VK_SPACE: MU__KeyDown(window, MU_KEY_SPACE); break; + case VK_OEM_PLUS: MU__KeyDown(window, MU_KEY_PLUS); break; + case VK_OEM_COMMA: MU__KeyDown(window, MU_KEY_COMMA); break; + case VK_OEM_MINUS: MU__KeyDown(window, MU_KEY_MINUS); break; + case VK_OEM_PERIOD: MU__KeyDown(window, MU_KEY_PERIOD); break; + case '0': MU__KeyDown(window, MU_KEY_0); break; + case '1': MU__KeyDown(window, MU_KEY_1); break; + case '2': MU__KeyDown(window, MU_KEY_2); break; + case '3': MU__KeyDown(window, MU_KEY_3); break; + case '4': MU__KeyDown(window, MU_KEY_4); break; + case '5': MU__KeyDown(window, MU_KEY_5); break; + case '6': MU__KeyDown(window, MU_KEY_6); break; + case '7': MU__KeyDown(window, MU_KEY_7); break; + case '8': MU__KeyDown(window, MU_KEY_8); break; + case '9': MU__KeyDown(window, MU_KEY_9); break; + case ';': MU__KeyDown(window, MU_KEY_SEMICOLON); break; + case '=': MU__KeyDown(window, MU_KEY_EQUAL); break; + case 'A': MU__KeyDown(window, MU_KEY_A); break; + case 'B': MU__KeyDown(window, MU_KEY_B); break; + case 'C': MU__KeyDown(window, MU_KEY_C); break; + case 'D': MU__KeyDown(window, MU_KEY_D); break; + case 'E': MU__KeyDown(window, MU_KEY_E); break; + case 'F': MU__KeyDown(window, MU_KEY_F); break; + case 'G': MU__KeyDown(window, MU_KEY_G); break; + case 'H': MU__KeyDown(window, MU_KEY_H); break; + case 'I': MU__KeyDown(window, MU_KEY_I); break; + case 'J': MU__KeyDown(window, MU_KEY_J); break; + case 'K': MU__KeyDown(window, MU_KEY_K); break; + case 'L': MU__KeyDown(window, MU_KEY_L); break; + case 'M': MU__KeyDown(window, MU_KEY_M); break; + case 'N': MU__KeyDown(window, MU_KEY_N); break; + case 'O': MU__KeyDown(window, MU_KEY_O); break; + case 'P': MU__KeyDown(window, MU_KEY_P); break; + case 'Q': MU__KeyDown(window, MU_KEY_Q); break; + case 'R': MU__KeyDown(window, MU_KEY_R); break; + case 'S': MU__KeyDown(window, MU_KEY_S); break; + case 'T': MU__KeyDown(window, MU_KEY_T); break; + case 'U': MU__KeyDown(window, MU_KEY_U); break; + case 'V': MU__KeyDown(window, MU_KEY_V); break; + case 'W': MU__KeyDown(window, MU_KEY_W); break; + case 'X': MU__KeyDown(window, MU_KEY_X); break; + case 'Y': MU__KeyDown(window, MU_KEY_Y); break; + case 'Z': MU__KeyDown(window, MU_KEY_Z); break; + case VK_F13: MU__KeyDown(window, MU_KEY_F13); break; + case VK_F14: MU__KeyDown(window, MU_KEY_F14); break; + case VK_F15: MU__KeyDown(window, MU_KEY_F15); break; + case VK_F16: MU__KeyDown(window, MU_KEY_F16); break; + case VK_F17: MU__KeyDown(window, MU_KEY_F17); break; + case VK_F18: MU__KeyDown(window, MU_KEY_F18); break; + case VK_F19: MU__KeyDown(window, MU_KEY_F19); break; + case VK_F20: MU__KeyDown(window, MU_KEY_F20); break; + case VK_F21: MU__KeyDown(window, MU_KEY_F21); break; + case VK_F22: MU__KeyDown(window, MU_KEY_F22); break; + case VK_F23: MU__KeyDown(window, MU_KEY_F23); break; + case VK_F24: MU__KeyDown(window, MU_KEY_F24); break; + case 0x60: MU__KeyDown(window, MU_KEY_KP_0); break; + case 0x61: MU__KeyDown(window, MU_KEY_KP_1); break; + case 0x62: MU__KeyDown(window, MU_KEY_KP_2); break; + case 0x63: MU__KeyDown(window, MU_KEY_KP_3); break; + case 0x64: MU__KeyDown(window, MU_KEY_KP_4); break; + case 0x65: MU__KeyDown(window, MU_KEY_KP_5); break; + case 0x66: MU__KeyDown(window, MU_KEY_KP_6); break; + case 0x67: MU__KeyDown(window, MU_KEY_KP_7); break; + case 0x68: MU__KeyDown(window, MU_KEY_KP_8); break; + case 0x69: MU__KeyDown(window, MU_KEY_KP_9); break; + case VK_CONTROL: MU__KeyDown(window, MU_KEY_CONTROL); break; + case VK_SHIFT: MU__KeyDown(window, MU_KEY_SHIFT); break; + case VK_DECIMAL: MU__KeyDown(window, MU_KEY_KP_DECIMAL); break; + case VK_DIVIDE: MU__KeyDown(window, MU_KEY_KP_DIVIDE); break; + case VK_MULTIPLY: MU__KeyDown(window, MU_KEY_KP_MULTIPLY); break; + case VK_SUBTRACT: MU__KeyDown(window, MU_KEY_KP_SUBTRACT); break; + case VK_ADD: MU__KeyDown(window, MU_KEY_KP_ADD); break; + case VK_LSHIFT: MU__KeyDown(window, MU_KEY_LEFT_SHIFT); break; + case VK_LCONTROL: MU__KeyDown(window, MU_KEY_LEFT_CONTROL); break; + case VK_LMENU: MU__KeyDown(window, MU_KEY_LEFT_ALT); break; + case VK_LWIN: MU__KeyDown(window, MU_KEY_LEFT_SUPER); break; + case VK_RSHIFT: MU__KeyDown(window, MU_KEY_RIGHT_SHIFT); break; + case VK_RCONTROL: MU__KeyDown(window, MU_KEY_RIGHT_CONTROL); break; + case VK_RMENU: MU__KeyDown(window, MU_KEY_RIGHT_ALT); break; + case VK_RWIN: MU__KeyDown(window, MU_KEY_RIGHT_SUPER); break; + case VK_CAPITAL: MU__KeyDown(window, MU_KEY_CAPS_LOCK); break; + case VK_SCROLL: MU__KeyDown(window, MU_KEY_SCROLL_LOCK); break; + case VK_NUMLOCK: MU__KeyDown(window, MU_KEY_NUM_LOCK); break; + case VK_SNAPSHOT: MU__KeyDown(window, MU_KEY_PRINT_SCREEN); break; + case VK_PAUSE: MU__KeyDown(window, MU_KEY_PAUSE); break; + } + } break; + + default: { + return DefWindowProcW(wnd, msg, wparam, lparam); + } + } + return 0; +} + +MU_API void MU_Init(MU_Context *mu, MU_Params params, size_t len) { + MU_ASSERT(params.memory && params.cap && "Expected any kind of memory"); + + MU__ZeroMemory(mu, sizeof(*mu)); + mu->perm_arena.memory = (char *)params.memory; + mu->perm_arena.cap = params.cap; + mu->perm_arena.len = len; + MU_WIN32_ContextPointerForEventHandling = mu; + + mu->platform = MU_PUSH_STRUCT(&mu->perm_arena, MU_Win32); + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + + mu->frame_arena.cap = (mu->perm_arena.cap - mu->perm_arena.len) / 2; + mu->frame_arena.memory = (char *)MU_PushSize(&mu->perm_arena, mu->frame_arena.cap); + + mu->time.delta = params.delta_time == 0.0 ? 0.0166666 : params.delta_time; + + mu->sound.callback = params.sound_callback; + mu->params = params; + + if (mu->sound.callback) { + MU_WIN32_InitWasapi(mu); + MU_ASSERT(mu->sound.initialized); + } + + typedef enum MU_PROCESS_DPI_AWARENESS { + MU_PROCESS_DPI_UNAWARE = 0, + MU_PROCESS_SYSTEM_DPI_AWARE = 1, + MU_PROCESS_PER_MONITOR_DPI_AWARE = 2 + } MU_PROCESS_DPI_AWARENESS; + typedef unsigned MU_TimeBeginPeriod(unsigned); + typedef HRESULT MU_SetProcessDpiAwareness(MU_PROCESS_DPI_AWARENESS); + + HMODULE shcore = LoadLibraryA("Shcore.dll"); + if (shcore) { + MU_SetProcessDpiAwareness *set_dpi_awr = (MU_SetProcessDpiAwareness *)GetProcAddress(shcore, "SetProcessDpiAwareness"); + if (set_dpi_awr) { + HRESULT hr = set_dpi_awr(MU_PROCESS_PER_MONITOR_DPI_AWARE); + MU_ASSERT(SUCCEEDED(hr) && "Failed to set dpi awareness"); + } + } + + HMODULE winmm = LoadLibraryA("winmm.dll"); + if (winmm) { + MU_TimeBeginPeriod *timeBeginPeriod = (MU_TimeBeginPeriod *)GetProcAddress(winmm, "timeBeginPeriod"); + if (timeBeginPeriod) { + if (timeBeginPeriod(1) == 0) { + w32->good_scheduling = true; + } + } + } + + WNDCLASSW wc; + { + MU__ZeroMemory(&wc, sizeof(wc)); + wc.lpfnWndProc = MU_WIN32_WindowProc; + wc.hInstance = GetModuleHandleW(NULL); + wc.lpszClassName = L"Multimedia_Start"; + wc.hCursor = LoadCursor(0, IDC_ARROW); + wc.hIcon = NULL; // LoadIcon(wc.hInstance, IDI_APPLICATION); + wc.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW; + MU_ASSERT_CODE(ATOM result =) + RegisterClassW(&wc); + MU_ASSERT(result != 0); + w32->wc = wc; + } + + mu->primary_monitor_size.x = GetSystemMetrics(SM_CXSCREEN); + mu->primary_monitor_size.y = GetSystemMetrics(SM_CYSCREEN); + + w32->cursor_hand = LoadCursor(0, IDC_SIZEALL); + w32->cursor_arrow = LoadCursor(0, IDC_ARROW); + + mu->time.app_start = MU_GetTime(); + mu->first_frame = true; +} + +MU_FN void MU_UpdateWindowState(MU_Window *window) { + MU_Win32_Window *w32_window = (MU_Win32_Window *)window->platform; + + UINT dpi = GetDpiForWindow((HWND)window->handle); + MU_ASSERT(dpi != 0 && "Failed to get dpi for window"); + window->dpi_scale = (float)dpi / 96.f; + + MU_Int2 size; + MU_WIN32_GetWindowPos((HWND)window->handle, &window->pos.x, &window->pos.y); + MU_Win32_GetWindowSize((HWND)window->handle, &size.x, &size.y); + + if (window->canvas_enabled == false || window->size.x != size.x || window->size.y != size.y) { + MU_WIN32_DestroyCanvas(window); + } + + window->size = size; + window->sizef.x = (float)window->size.x; + window->sizef.y = (float)window->size.y; + + window->posf.x = (float)window->pos.x; + window->posf.y = (float)window->pos.y; + + if (window->canvas_enabled && window->canvas == 0) { + MU_WIN32_CreateCanvas(window); + } +} + +MU_API MU_Window *MU_AddWindow(MU_Context *mu, MU_Window_Params params) { + MU_Window *window = MU_PUSH_STRUCT(&mu->perm_arena, MU_Window); + MU_InitWindow(mu, window, params); + return window; +} + +MU_API void MU_InitWindow(MU_Context *mu, MU_Window *window, MU_Window_Params params) { + window->platform = MU_PUSH_STRUCT(&mu->perm_arena, MU_Win32_Window); + + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + MU_Win32_Window *w32_window = (MU_Win32_Window *)window->platform; + + if (params.pos.x == 0) params.pos.x = (int)((double)mu->primary_monitor_size.x * 0.1); + if (params.pos.y == 0) params.pos.y = (int)((double)mu->primary_monitor_size.y * 0.1); + if (params.size.x == 0) params.size.x = (int)((double)mu->primary_monitor_size.x * 0.8); + if (params.size.y == 0) params.size.y = (int)((double)mu->primary_monitor_size.y * 0.8); + window->canvas_enabled = params.enable_canvas; + + w32_window->style = WS_OVERLAPPEDWINDOW; + if (!params.resizable) { + w32_window->style &= ~WS_THICKFRAME & ~WS_MAXIMIZEBOX; + } + if (params.borderless) { + w32_window->style = WS_POPUP | WS_VISIBLE | WS_SYSMENU; + } + + RECT window_rect; + window_rect.left = (LONG)params.pos.x; + window_rect.top = (LONG)params.pos.y; + window_rect.right = (LONG)params.size.x + window_rect.left; + window_rect.bottom = (LONG)params.size.y + window_rect.top; + AdjustWindowRectEx(&window_rect, w32_window->style, false, 0); + + HWND handle = CreateWindowW(w32->wc.lpszClassName, L"Zzz... Window, hello!", w32_window->style, window_rect.left, window_rect.top, window_rect.right - window_rect.left, window_rect.bottom - window_rect.top, NULL, NULL, w32->wc.hInstance, NULL); + MU_ASSERT(handle); + + window->handle = handle; + w32_window->handle_dc = GetDC(handle); + MU_ASSERT(w32_window->handle_dc); + + DragAcceptFiles(handle, TRUE); + + MU_WIN32_TryToInitGLContextForWindow(mu, w32_window); + + ShowWindow(handle, SW_SHOW); + MU_UpdateWindowState(window); + MU_STACK_ADD(mu->all_windows, window); + MU_WIN32_UpdateFocusedWindow(mu); +} + +MU_API MU_Context *MU_Start(MU_Params params) { + // Bootstrap the context from user memory + // If the user didnt provide memory, allocate it ourselves + if (!params.memory) { + HANDLE process_heap = GetProcessHeap(); + params.cap = MU_DEFAULT_MEMORY_SIZE; + params.memory = HeapAlloc(process_heap, 0, params.cap); + MU_ASSERT(params.memory); + } + MU_Context *mu = (MU_Context *)params.memory; + MU_Init(mu, params, sizeof(MU_Context)); + mu->window = MU_AddWindow(mu, params.window); + + return mu; +} + +MU_API bool MU_Update(MU_Context *mu) { + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + + // Since this is meant to be called in while loop + // first MU_Update happens before first frame + // therfore start of second MU_Update is end of first frame + mu->_MU_Update_count += 1; + if (mu->_MU_Update_count == 2) mu->first_frame = false; + mu->frame_arena.len = 0; + + MU_WIN32_UpdateFocusedWindow(mu); + for (MU_Window *it = mu->all_windows; it; it = it->next) { + if (it->should_render == true && mu->first_frame == false && mu->opengl_initialized) { + MU_Win32_Window *w32_window = (MU_Win32_Window *)it->platform; + MU_ASSERT_CODE(BOOL result =) + SwapBuffers(w32_window->handle_dc); + MU_ASSERT(result); + } + it->should_render = true; + + it->first_dropped_file = 0; + MU_WIN32_DrawCanvas(it); + it->processed_events_this_frame = 0; + it->user_text8_count = 0; + it->user_text32_count = 0; + it->mouse.delta_wheel = 0.0; + it->mouse.left.press = 0; + it->mouse.right.press = 0; + it->mouse.middle.press = 0; + it->mouse.left.unpress = 0; + it->mouse.right.unpress = 0; + it->mouse.middle.unpress = 0; + for (int i = 0; i < MU_KEY_COUNT; i += 1) { + it->key[i].press = 0; + it->key[i].unpress = 0; + it->key[i].raw_press = 0; + } + } + + MSG msg; + MU_WIN32_ContextPointerForEventHandling = mu; + while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) { + TranslateMessage(&msg); + DispatchMessage(&msg); + } + + for (MU_Window *it = mu->all_windows; it; it = it->next) { + MU_UpdateWindowState(it); + } + + mu->window->user_text8[mu->window->user_text8_count] = 0; + mu->window->user_text32[mu->window->user_text32_count] = 0; + + MU_Win32_Window *w32_window = (MU_Win32_Window *)mu->window->platform; + HWND focused_window = GetFocus(); + mu->window->is_focused = focused_window == (HWND)mu->window->handle; + + // We only need to update the mouse position of a currently focused window? + { + + MU_Int2 mouse_pos = MU_WIN32_GetMousePositionInverted((HWND)mu->window->handle, mu->window->size.y); + + if (mu->window->is_focused) { + if (mu->first_frame == false) { + mu->window->mouse.delta_pos.x = mouse_pos.x - mu->window->mouse.pos.x; + mu->window->mouse.delta_pos.y = mouse_pos.y - mu->window->mouse.pos.y; + mu->window->mouse.delta_pos_normalized.x = (float)mu->window->mouse.delta_pos.x / (float)mu->window->size.x; + mu->window->mouse.delta_pos_normalized.y = (float)mu->window->mouse.delta_pos.y / (float)mu->window->size.y; + } + if (mu->window->is_fps_mode) { + SetCursorPos(mu->window->size.x / 2, mu->window->size.y / 2); + mouse_pos = MU_WIN32_GetMousePositionInverted((HWND)mu->window->handle, mu->window->size.y); + } + } + mu->window->mouse.pos = mouse_pos; + mu->window->mouse.posf.x = (float)mouse_pos.x; + mu->window->mouse.posf.y = (float)mouse_pos.y; + } + + // Timming + if (mu->first_frame == false) { + mu->time.update = MU_GetTime() - mu->time.frame_start; + if (mu->time.update < mu->time.delta) { + mu->consecutive_missed_frames = 0; + + // Try to use the Sleep, if we dont have good scheduler priority + // then we can miss framerate so need to busy loop instead + if (w32->good_scheduling) { + double time_to_sleep = mu->time.delta - mu->time.update; + double time_to_sleep_in_ms = time_to_sleep * 1000.0 - 1; + if (time_to_sleep > 0.0) { + DWORD time_to_sleep_uint = (DWORD)time_to_sleep_in_ms; + if (time_to_sleep_uint) { + Sleep(time_to_sleep_uint); + } + } + } + + // Busy loop if we dont have good scheduling + // or we woke up early + double update_time = MU_GetTime() - mu->time.frame_start; + while (update_time < mu->time.delta) { + update_time = MU_GetTime() - mu->time.frame_start; + } + } + else { + mu->consecutive_missed_frames += 1; + mu->total_missed_frames += 1; + } + + mu->frame += 1; + mu->time.update_total = MU_GetTime() - mu->time.frame_start; + mu->time.total += mu->time.delta; + } + mu->time.frame_start = MU_GetTime(); + + mu->time.deltaf = (float)mu->time.delta; + mu->time.totalf = (float)mu->time.total; + + return !mu->quit; +} + +// +// Opengl context setup +// +// @! Cleanup OpenGL - Should the user be cappable of detecting that opengl couldnt load? +// Should the layer automatically downscale? +// Should the layer inform and allow for a response? +/* + MU_Context *mu = MU_Start((MU_Params){ + .enable_opengl = true, + }); + if (mu->opengl_initialized == false) { + mu_opengl_try_initializng_context_for_window(mu->window, 3, 3); + } + if (mu->opengl_initialized == false) { + // directx + } + + + */ + +// Symbols taken from GLFW +// +// Executables (but not DLLs) exporting this symbol with this value will be +// automatically directed to the high-performance GPU on Nvidia Optimus systems +// with up-to-date drivers +// +__declspec(dllexport) DWORD NvOptimusEnablement = 1; + +// Executables (but not DLLs) exporting this symbol with this value will be +// automatically directed to the high-performance GPU on AMD PowerXpress systems +// with up-to-date drivers +// +__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1; + +typedef HGLRC MU_wglCreateContext(HDC unnamedParam1); +typedef BOOL MU_wglMakeCurrent(HDC unnamedParam1, HGLRC unnamedParam2); +typedef BOOL MU_wglDeleteContext(HGLRC unnamedParam1); +HGLRC(*mu_wglCreateContext) +(HDC unnamedParam1); +BOOL(*mu_wglMakeCurrent) +(HDC unnamedParam1, HGLRC unnamedParam2); +BOOL(*mu_wglDeleteContext) +(HGLRC unnamedParam1); + +typedef const char *MU_wglGetExtensionsStringARB(HDC hdc); +typedef BOOL MU_wglChoosePixelFormatARB(HDC hdc, const int *piAttribIList, const float *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats); +typedef HGLRC MU_wglCreateContextAttribsARB(HDC hDC, HGLRC hshareContext, const int *attribList); +typedef BOOL MU_wglSwapIntervalEXT(int interval); +MU_wglChoosePixelFormatARB *wglChoosePixelFormatARB; +MU_wglCreateContextAttribsARB *wglCreateContextAttribsARB; +MU_wglSwapIntervalEXT *wglSwapIntervalEXT; + + #define WGL_DRAW_TO_WINDOW_ARB 0x2001 + #define WGL_SUPPORT_OPENGL_ARB 0x2010 + #define WGL_DOUBLE_BUFFER_ARB 0x2011 + #define WGL_PIXEL_TYPE_ARB 0x2013 + #define WGL_TYPE_RGBA_ARB 0x202B + #define WGL_COLOR_BITS_ARB 0x2014 + #define WGL_DEPTH_BITS_ARB 0x2022 + #define WGL_STENCIL_BITS_ARB 0x2023 + + #define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091 + #define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092 + #define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126 + #define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 + #define WGL_CONTEXT_FLAGS_ARB 0x2094 + #define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001 + + #define WGL_SAMPLE_BUFFERS_ARB 0x2041 + #define WGL_SAMPLES_ARB 0x2042 + +// +// Below loading part largely taken from github gist of Martins Mozeiko +// + +// compares src string with dstlen characters from dst, returns 1 if they are equal, 0 if not +MU_FN int MU__AreStringsEqual(const char *src, const char *dst, size_t dstlen) { + while (*src && dstlen-- && *dst) { + if (*src++ != *dst++) { + return 0; + } + } + + return (dstlen && *src == *dst) || (!dstlen && *src == 0); +} + +MU_FN void *MU_Win32_GLGetWindowProcAddressForGlad(const char *proc) { + MU_Win32 *w32 = (MU_Win32 *)MU_WIN32_ContextPointerForEventHandling->platform; + void *func; + + func = w32->wgl_get_proc_address(proc); + if (!func) { + func = GetProcAddress(w32->opengl32, proc); + } + return func; +} + +MU_FN void MU_WIN32_GetWGLFunctions(MU_Context *mu) { + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + HMODULE opengl32 = LoadLibraryA("opengl32"); + MU_ASSERT(opengl32); + if (opengl32) { + w32->opengl32 = opengl32; + w32->wgl_get_proc_address = (MU_glGetProcAddress *)GetProcAddress(opengl32, "wglGetProcAddress"); + mu->gl_get_proc_address = MU_Win32_GLGetWindowProcAddressForGlad; + mu_wglCreateContext = (MU_wglCreateContext *)GetProcAddress(opengl32, "wglCreateContext"); + mu_wglMakeCurrent = (MU_wglMakeCurrent *)GetProcAddress(opengl32, "wglMakeCurrent"); + mu_wglDeleteContext = (MU_wglDeleteContext *)GetProcAddress(opengl32, "wglDeleteContext"); + } + if (opengl32 == NULL || mu_wglCreateContext == NULL || mu->gl_get_proc_address == NULL || mu_wglMakeCurrent == NULL || mu_wglDeleteContext == NULL) { + MU_ASSERT(!"Failed to load Opengl wgl functions from opengl32.lib"); + return; + } + + // to get WGL functions we need valid GL context, so create dummy window for dummy GL contetx + HWND dummy = CreateWindowExW( + 0, L"STATIC", L"DummyWindow", WS_OVERLAPPED, + CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, + NULL, NULL, NULL, NULL); + MU_ASSERT(dummy && "Failed to create dummy window"); + + HDC dc = GetDC(dummy); + MU_ASSERT(dc && "Failed to get device context for dummy window"); + + PIXELFORMATDESCRIPTOR desc; + MU__ZeroMemory(&desc, sizeof(desc)); + { + desc.nSize = sizeof(desc); + desc.nVersion = 1; + desc.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; + desc.iPixelType = PFD_TYPE_RGBA; + desc.cColorBits = 24; + }; + + int format = ChoosePixelFormat(dc, &desc); + if (!format) { + MU_ASSERT(!"Cannot choose OpenGL pixel format for dummy window!"); + } + + int ok = DescribePixelFormat(dc, format, sizeof(desc), &desc); + MU_ASSERT(ok && "Failed to describe OpenGL pixel format"); + + // reason to create dummy window is that SetPixelFormat can be called only once for the window + if (!SetPixelFormat(dc, format, &desc)) { + MU_ASSERT(!"Cannot set OpenGL pixel format for dummy window!"); + } + + HGLRC rc = mu_wglCreateContext(dc); + MU_ASSERT(rc && "Failed to create OpenGL context for dummy window"); + + ok = mu_wglMakeCurrent(dc, rc); + MU_ASSERT(ok && "Failed to make current OpenGL context for dummy window"); + + // https://www.khronos.org/registry/OpenGL/extensions/ARB/WGL_ARB_extensions_string.txt + MU_wglGetExtensionsStringARB *wglGetExtensionsStringARB = (MU_wglGetExtensionsStringARB *)mu->gl_get_proc_address("wglGetExtensionsStringARB"); + if (!wglGetExtensionsStringARB) { + MU_ASSERT(!"OpenGL does not support WGL_ARB_extensions_string extension!"); + } + + const char *ext = wglGetExtensionsStringARB(dc); + MU_ASSERT(ext && "Failed to get OpenGL WGL extension string"); + + const char *start = ext; + for (;;) { + while (*ext != 0 && *ext != ' ') { + ext++; + } + size_t length = ext - start; + if (MU__AreStringsEqual("WGL_ARB_pixel_format", start, length)) { + // https://www.khronos.org/registry/OpenGL/extensions/ARB/WGL_ARB_pixel_format.txt + wglChoosePixelFormatARB = (MU_wglChoosePixelFormatARB *)mu->gl_get_proc_address("wglChoosePixelFormatARB"); + } + else if (MU__AreStringsEqual("WGL_ARB_create_context", start, length)) { + // https://www.khronos.org/registry/OpenGL/extensions/ARB/WGL_ARB_create_context.txt + wglCreateContextAttribsARB = (MU_wglCreateContextAttribsARB *)mu->gl_get_proc_address("wglCreateContextAttribsARB"); + } + else if (MU__AreStringsEqual("WGL_EXT_swap_control", start, length)) { + // https://www.khronos.org/registry/OpenGL/extensions/EXT/WGL_EXT_swap_control.txt + wglSwapIntervalEXT = (MU_wglSwapIntervalEXT *)mu->gl_get_proc_address("wglSwapIntervalEXT"); + } + + if (*ext == 0) { + break; + } + + ext++; + start = ext; + } + + if (!wglChoosePixelFormatARB || !wglCreateContextAttribsARB || !wglSwapIntervalEXT) { + MU_ASSERT(!"OpenGL does not support required WGL extensions for modern context!"); + } + + mu_wglMakeCurrent(NULL, NULL); + mu_wglDeleteContext(rc); + ReleaseDC(dummy, dc); + DestroyWindow(dummy); + + mu->opengl_initialized = true; +} + +MU_FN void MU_WIN32_TryToInitGLContextForWindow(MU_Context *mu, MU_Win32_Window *w32_window) { + if (mu->opengl_initialized == false && mu->params.enable_opengl) { + MU_WIN32_GetWGLFunctions(mu); + if (mu->opengl_initialized) { + mu->opengl_major = mu->params.opengl_major ? mu->params.opengl_major : 4; + mu->opengl_minor = mu->params.opengl_minor ? mu->params.opengl_minor : 5; + } + } + + if (mu->opengl_initialized) { + // set pixel format for OpenGL context + int attrib[] = + { + WGL_DRAW_TO_WINDOW_ARB, + true, + WGL_SUPPORT_OPENGL_ARB, + true, + WGL_DOUBLE_BUFFER_ARB, + true, + WGL_PIXEL_TYPE_ARB, + WGL_TYPE_RGBA_ARB, + WGL_COLOR_BITS_ARB, + 32, + WGL_DEPTH_BITS_ARB, + 24, + WGL_STENCIL_BITS_ARB, + 8, + + // uncomment for sRGB framebuffer, from WGL_ARB_framebuffer_sRGB extension + // https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_framebuffer_sRGB.txt + // WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, GL_TRUE, + + // uncomment for multisampeld framebuffer, from WGL_ARB_multisample extension + // https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_multisample.txt + #if MU_GL_ENABLE_MULTISAMPLING + WGL_SAMPLE_BUFFERS_ARB, + 1, + WGL_SAMPLES_ARB, + 4, // 4x MSAA + #endif + + 0, + }; + + int format; + UINT formats; + if (!wglChoosePixelFormatARB(w32_window->handle_dc, attrib, 0, 1, &format, &formats) || formats == 0) { + MU_ASSERT(!"OpenGL does not support required pixel format!"); + } + + PIXELFORMATDESCRIPTOR desc; + MU__ZeroMemory(&desc, sizeof(desc)); + desc.nSize = sizeof(desc); + int ok = DescribePixelFormat(w32_window->handle_dc, format, sizeof(desc), &desc); + MU_ASSERT(ok && "Failed to describe OpenGL pixel format"); + + if (!SetPixelFormat(w32_window->handle_dc, format, &desc)) { + MU_ASSERT(!"Cannot set OpenGL selected pixel format!"); + } + + // create modern OpenGL context + { + int attrib[] = + { + WGL_CONTEXT_MAJOR_VERSION_ARB, + mu->opengl_major, + WGL_CONTEXT_MINOR_VERSION_ARB, + mu->opengl_minor, + WGL_CONTEXT_PROFILE_MASK_ARB, + WGL_CONTEXT_CORE_PROFILE_BIT_ARB, + + #if MU_GL_BUILD_DEBUG + WGL_CONTEXT_FLAGS_ARB, + WGL_CONTEXT_DEBUG_BIT_ARB, + #endif + + 0, + }; + + HGLRC rc = wglCreateContextAttribsARB(w32_window->handle_dc, 0, attrib); + if (!rc) { + MU_ASSERT(!"Cannot create modern OpenGL context! OpenGL version 4.5 not supported?"); + } + + BOOL ok = mu_wglMakeCurrent(w32_window->handle_dc, rc); + MU_ASSERT(ok && "Failed to make current OpenGL context"); + } + } +} + +// +// Sound using WASAPI +// @! Sound: Comeback to it later! I dont really know what I should expect from a sound system +// What actually in reality errors out in WASAPI, what is important when working with sound. +// As such I'm not really currently equiped to make something good / reliable. +// Probably would be nice to work with it a bit more. +// +// Sound params should probably be configurable +// but I dont really understand what I should want to expect +// from this sort of system +// +// Not sure if I should in the future implement some different non threaded api. +// +// +// Below GUID stuff taken from libsoundio +// reference: https://github.com/andrewrk/libsoundio/blob/master/src/wasapi.c +// + +// And some GUID are never implemented (Ignoring the INITGUID define) +MU_PRIVATE_VAR const CLSID MU_CLSID_MMDeviceEnumerator = { + 0xbcde0395, 0xe52f, 0x467c, {0x8e, 0x3d, 0xc4, 0x57, 0x92, 0x91, 0x69, 0x2e} +}; +MU_PRIVATE_VAR const IID MU_IID_IMMDeviceEnumerator = { + // MIDL_INTERFACE("A95664D2-9614-4F35-A746-DE8DB63617E6") + 0xa95664d2, + 0x9614, + 0x4f35, + {0xa7, 0x46, 0xde, 0x8d, 0xb6, 0x36, 0x17, 0xe6} +}; +MU_PRIVATE_VAR const IID MU_IID_IMMNotificationClient = { + // MIDL_INTERFACE("7991EEC9-7E89-4D85-8390-6C703CEC60C0") + 0x7991eec9, + 0x7e89, + 0x4d85, + {0x83, 0x90, 0x6c, 0x70, 0x3c, 0xec, 0x60, 0xc0} +}; +MU_PRIVATE_VAR const IID MU_IID_IAudioClient = { + // MIDL_INTERFACE("1CB9AD4C-DBFA-4c32-B178-C2F568A703B2") + 0x1cb9ad4c, + 0xdbfa, + 0x4c32, + {0xb1, 0x78, 0xc2, 0xf5, 0x68, 0xa7, 0x03, 0xb2} +}; +MU_PRIVATE_VAR const IID MU_IID_IAudioRenderClient = { + // MIDL_INTERFACE("F294ACFC-3146-4483-A7BF-ADDCA7C260E2") + 0xf294acfc, + 0x3146, + 0x4483, + {0xa7, 0xbf, 0xad, 0xdc, 0xa7, 0xc2, 0x60, 0xe2} +}; +MU_PRIVATE_VAR const IID MU_IID_IAudioSessionControl = { + // MIDL_INTERFACE("F4B1A599-7266-4319-A8CA-E70ACB11E8CD") + 0xf4b1a599, + 0x7266, + 0x4319, + {0xa8, 0xca, 0xe7, 0x0a, 0xcb, 0x11, 0xe8, 0xcd} +}; +MU_PRIVATE_VAR const IID MU_IID_IAudioSessionEvents = { + // MIDL_INTERFACE("24918ACC-64B3-37C1-8CA9-74A66E9957A8") + 0x24918acc, + 0x64b3, + 0x37c1, + {0x8c, 0xa9, 0x74, 0xa6, 0x6e, 0x99, 0x57, 0xa8} +}; +MU_PRIVATE_VAR const IID MU_IID_IMMEndpoint = { + // MIDL_INTERFACE("1BE09788-6894-4089-8586-9A2A6C265AC5") + 0x1be09788, + 0x6894, + 0x4089, + {0x85, 0x86, 0x9a, 0x2a, 0x6c, 0x26, 0x5a, 0xc5} +}; +MU_PRIVATE_VAR const IID MU_IID_IAudioClockAdjustment = { + // MIDL_INTERFACE("f6e4c0a0-46d9-4fb8-be21-57a3ef2b626c") + 0xf6e4c0a0, + 0x46d9, + 0x4fb8, + {0xbe, 0x21, 0x57, 0xa3, 0xef, 0x2b, 0x62, 0x6c} +}; +MU_PRIVATE_VAR const IID MU_IID_IAudioCaptureClient = { + // MIDL_INTERFACE("C8ADBD64-E71E-48a0-A4DE-185C395CD317") + 0xc8adbd64, + 0xe71e, + 0x48a0, + {0xa4, 0xde, 0x18, 0x5c, 0x39, 0x5c, 0xd3, 0x17} +}; +MU_PRIVATE_VAR const IID MU_IID_ISimpleAudioVolume = { + // MIDL_INTERFACE("87ce5498-68d6-44e5-9215-6da47ef883d8") + 0x87ce5498, + 0x68d6, + 0x44e5, + {0x92, 0x15, 0x6d, 0xa4, 0x7e, 0xf8, 0x83, 0xd8} +}; + + #ifdef __cplusplus + // In C++ mode, IsEqualGUID() takes its arguments by reference + #define IS_EQUAL_GUID(a, b) IsEqualGUID(*(a), *(b)) + #define IS_EQUAL_IID(a, b) IsEqualIID((a), *(b)) + + // And some constants are passed by reference + #define MU_IID_IAUDIOCLIENT (MU_IID_IAudioClient) + #define MU_IID_IMMENDPOINT (MU_IID_IMMEndpoint) + #define MU_IID_IAUDIOCLOCKADJUSTMENT (MU_IID_IAudioClockAdjustment) + #define MU_IID_IAUDIOSESSIONCONTROL (MU_IID_IAudioSessionControl) + #define MU_IID_IAUDIORENDERCLIENT (MU_IID_IAudioRenderClient) + #define MU_IID_IMMDEVICEENUMERATOR (MU_IID_IMMDeviceEnumerator) + #define MU_IID_IAUDIOCAPTURECLIENT (MU_IID_IAudioCaptureClient) + #define MU_IID_ISIMPLEAUDIOVOLUME (MU_IID_ISimpleAudioVolume) + #define MU_CLSID_MMDEVICEENUMERATOR (MU_CLSID_MMDeviceEnumerator) + #define MU_PKEY_DEVICE_FRIENDLYNAME (PKEY_Device_FriendlyName) + #define MU_PKEY_AUDIOENGINE_DEVICEFORMAT (PKEY_AudioEngine_DeviceFormat) + + #else + #define IS_EQUAL_GUID(a, b) IsEqualGUID((a), (b)) + #define IS_EQUAL_IID(a, b) IsEqualIID((a), (b)) + + #define MU_IID_IAUDIOCLIENT (&MU_IID_IAudioClient) + #define MU_IID_IMMENDPOINT (&MU_IID_IMMEndpoint) + #define MU_PKEY_DEVICE_FRIENDLYNAME (&PKEY_Device_FriendlyName) + #define MU_PKEY_AUDIOENGINE_DEVICEFORMAT (&PKEY_AudioEngine_DeviceFormat) + #define MU_CLSID_MMDEVICEENUMERATOR (&MU_CLSID_MMDeviceEnumerator) + #define MU_IID_IAUDIOCLOCKADJUSTMENT (&MU_IID_IAudioClockAdjustment) + #define MU_IID_IAUDIOSESSIONCONTROL (&MU_IID_IAudioSessionControl) + #define MU_IID_IAUDIORENDERCLIENT (&MU_IID_IAudioRenderClient) + #define MU_IID_IMMDEVICEENUMERATOR (&MU_IID_IMMDeviceEnumerator) + #define MU_IID_IAUDIOCAPTURECLIENT (&MU_IID_IAudioCaptureClient) + #define MU_IID_ISIMPLEAUDIOVOLUME (&MU_IID_ISimpleAudioVolume) + #endif + + // Number of REFERENCE_TIME units per second + // One unit is equal to 100 nano seconds + #define MU_REF_TIMES_PER_SECOND 10000000 + #define MU_REF_TIMES_PER_MSECOND 10000 + +// Empty functions(stubs) which are used when library fails to load +static HRESULT CoCreateInstanceStub(REFCLSID rclsid, LPUNKNOWN *pUnkOuter, DWORD dwClsContext, REFIID riid, LPVOID *ppv) { + (void)(rclsid); + (void)(pUnkOuter); + (void)(dwClsContext); + (void)(riid); + (void)(ppv); + return S_FALSE; +} + +static HRESULT CoInitializeExStub(LPVOID pvReserved, DWORD dwCoInit) { + (void)(pvReserved); + (void)(dwCoInit); + return S_FALSE; +} + +MU_FN void MU_WIN32_DeinitSound(MU_Context *mu) { + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + if (w32->audio_client) w32->audio_client->lpVtbl->Stop(w32->audio_client); + if (w32->audio_client) w32->audio_client->lpVtbl->Release(w32->audio_client); + if (w32->device_enum) w32->device_enum->lpVtbl->Release(w32->device_enum); + if (w32->device) w32->device->lpVtbl->Release(w32->device); + if (w32->audio_render_client) w32->audio_render_client->lpVtbl->Release(w32->audio_render_client); + mu->sound.initialized = false; +} + +// Load COM Library functions dynamically, +// this way sound is not necessary to run the game +MU_FN void MU_WIN32_LoadCOM(MU_Context *mu) { + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + + HMODULE ole32_lib = LoadLibraryA("ole32.dll"); + if (ole32_lib) { + w32->CoCreateInstanceFunctionPointer = (CoCreateInstanceFunction *)GetProcAddress(ole32_lib, "CoCreateInstance"); + w32->CoInitializeExFunctionPointer = (CoInitializeExFunction *)GetProcAddress(ole32_lib, "CoInitializeEx"); + mu->sound.initialized = true; + } + + if (ole32_lib == 0 || w32->CoCreateInstanceFunctionPointer == 0 || w32->CoInitializeExFunctionPointer == 0) { + w32->CoCreateInstanceFunctionPointer = CoCreateInstanceStub; + w32->CoInitializeExFunctionPointer = CoInitializeExStub; + mu->sound.initialized = false; + } +} + +MU_FN DWORD MU_WIN32_SoundThread(void *parameter) { + MU_Context *mu = (MU_Context *)parameter; + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + + HANDLE thread_handle = GetCurrentThread(); + SetThreadPriority(thread_handle, THREAD_PRIORITY_HIGHEST); + HANDLE buffer_ready_event = CreateEvent(0, 0, 0, 0); + if (!buffer_ready_event) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + if (FAILED(IAudioClient_SetEventHandle(w32->audio_client, buffer_ready_event))) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + + if (FAILED(IAudioClient_Start(w32->audio_client))) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + for (;;) { + if (WaitForSingleObject(buffer_ready_event, INFINITE) != WAIT_OBJECT_0) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + uint32_t padding_frame_count; + if (FAILED(IAudioClient_GetCurrentPadding(w32->audio_client, &padding_frame_count))) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + uint32_t *samples; + uint32_t fill_frame_count = w32->buffer_frame_count - padding_frame_count; + if (FAILED(IAudioRenderClient_GetBuffer(w32->audio_render_client, fill_frame_count, (BYTE **)&samples))) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + + // Call user callback + uint32_t sample_count_to_fill = fill_frame_count * mu->sound.number_of_channels; + mu->sound.callback((MU_Context *)mu, (uint16_t *)samples, sample_count_to_fill); + + if (FAILED(IAudioRenderClient_ReleaseBuffer(w32->audio_render_client, fill_frame_count, 0))) { + MU_ASSERT(!"Sound thread failed"); + goto error_cleanup; + } + } + return 0; +error_cleanup: + MU_WIN32_DeinitSound(mu); + return -1; +} + +MU_FN void MU_WIN32_InitWasapi(MU_Context *mu) { + REFERENCE_TIME requested_buffer_duration = MU_REF_TIMES_PER_MSECOND * 40; + MU_Win32 *w32 = (MU_Win32 *)mu->platform; + + MU_WIN32_LoadCOM(mu); + MU_ASSERT(mu->sound.initialized); + if (mu->sound.initialized == false) { + return; + } + + mu->sound.bytes_per_sample = 2; + mu->sound.number_of_channels = 2; + mu->sound.samples_per_second = 44100; + + HANDLE thread_handle; + + HRESULT hr = w32->CoInitializeExFunctionPointer(0, COINITBASE_MULTITHREADED); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + hr = w32->CoCreateInstanceFunctionPointer(MU_CLSID_MMDEVICEENUMERATOR, NULL, CLSCTX_ALL, MU_IID_IMMDEVICEENUMERATOR, (void **)&w32->device_enum); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(w32->device_enum, eRender, eMultimedia, &w32->device); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + hr = IMMDevice_Activate(w32->device, MU_IID_IAUDIOCLIENT, CLSCTX_ALL, NULL, (void **)&w32->audio_client); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + WAVEFORMATEX fmt; + { + MU__ZeroMemory(&fmt, sizeof(fmt)); + fmt.wFormatTag = WAVE_FORMAT_PCM; + fmt.nChannels = mu->sound.number_of_channels; + fmt.nSamplesPerSec = mu->sound.samples_per_second; + fmt.wBitsPerSample = mu->sound.bytes_per_sample * 8; + fmt.nBlockAlign = fmt.nChannels * fmt.wBitsPerSample / 8; + fmt.nAvgBytesPerSec = fmt.nSamplesPerSec * fmt.nBlockAlign; + } + + hr = IAudioClient_Initialize( + w32->audio_client, AUDCLNT_SHAREMODE_SHARED, + AUDCLNT_STREAMFLAGS_EVENTCALLBACK | AUDCLNT_STREAMFLAGS_RATEADJUST | + AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY, + requested_buffer_duration, 0, &fmt, 0); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + hr = IAudioClient_GetService(w32->audio_client, MU_IID_IAUDIORENDERCLIENT, (void **)&w32->audio_render_client); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + hr = IAudioClient_GetBufferSize(w32->audio_client, &w32->buffer_frame_count); + if (FAILED(hr)) { + MU_ASSERT(!"Failed to initialize sound"); + goto failure_path; + } + + thread_handle = CreateThread(0, 0, MU_WIN32_SoundThread, mu, 0, 0); + if (thread_handle == INVALID_HANDLE_VALUE) { + MU_ASSERT(!"Failed to create a sound thread"); + goto failure_path; + } + + return; +failure_path: + MU_WIN32_DeinitSound(mu); +} + +#endif // _WIN32 +#endif // MU_IMPLEMENTATION \ No newline at end of file diff --git a/src/core/preproc_env.h b/src/core/preproc_env.h new file mode 100755 index 0000000..3060632 --- /dev/null +++ b/src/core/preproc_env.h @@ -0,0 +1,118 @@ +#ifndef PREPROC_ENV_HEADER +#define PREPROC_ENV_HEADER + +#ifndef _CRT_SECURE_NO_WARNINGS + #define _CRT_SECURE_NO_WARNINGS +#endif + +#if defined(__APPLE__) && defined(__MACH__) + #define OS_MAC 1 +#elif defined(_WIN32) + #define OS_WINDOWS 1 +#elif defined(__linux__) + #define OS_POSIX 1 + #define OS_LINUX 1 +#else + #error Unsupported platform +#endif + +#if defined(__clang__) + #define COMPILER_CLANG 1 +#elif defined(__GNUC__) || defined(__GNUG__) + #define COMPILER_GCC 1 +#elif defined(_MSC_VER) + #define COMPILER_MSVC 1 +#elif defined(__TINYC__) + #define COMPILER_TCC 1 +#else + #error Unsupported compiler +#endif + +#ifdef __cplusplus + #define LANG_CPP 1 +#else + #define LANG_C 1 +#endif + +#ifndef OS_MAC + #define OS_MAC 0 +#endif + +#ifndef OS_WINDOWS + #define OS_WINDOWS 0 +#endif + +#ifndef OS_LINUX + #define OS_LINUX 0 +#endif + +#ifndef OS_POSIX + #define OS_POSIX 0 +#endif + +#ifndef COMPILER_MSVC + #define COMPILER_MSVC 0 +#endif + +#ifndef COMPILER_CLANG + #define COMPILER_CLANG 0 +#endif + +#ifndef COMPILER_GCC + #define COMPILER_GCC 0 +#endif + +#ifndef COMPILER_TCC + #define COMPILER_TCC 0 +#endif + +#ifndef LANG_CPP + #define LANG_CPP 0 +#endif + +#ifndef LANG_C + #define LANG_C 0 +#endif + +#if COMPILER_MSVC + #define INLINE __forceinline +#elif COMPILER_GCC || COMPILER_CLANG + #define INLINE __attribute__((always_inline)) inline +#else + #define INLINE inline +#endif + +#if COMPILER_GCC || COMPILER_CLANG + #define FUNC_INTERNAL __attribute__((unused)) static +#else + #define FUNC_INTERNAL static +#endif + +#define FN FUNC_INTERNAL + +#if defined(__cplusplus) && __cplusplus >= 201103L + #define THREAD_LOCAL thread_local +#elif COMPILER_GCC || COMPILER_CLANG + #define THREAD_LOCAL __thread +#elif COMPILER_MSVC + #define THREAD_LOCAL __declspec(thread) +#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__) + #define THREAD_LOCAL _Thread_local +#elif COMPILER_TCC + #define MA_THREAD_LOCAL _Thread_local +#else + #error Couldnt figure out thread local, needs to be provided manually +#endif + +#if COMPILER_CLANG + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wmicrosoft-enum-forward-reference" +#endif + +#if LANG_CPP + #define API extern "C" +#else + #define API +#endif + +#endif // PREPROC_ENV_HEADER \ No newline at end of file diff --git a/src/core/regex.h b/src/core/regex.h new file mode 100755 index 0000000..9a91da1 --- /dev/null +++ b/src/core/regex.h @@ -0,0 +1,685 @@ +#ifndef RE_HEADER +#define RE_HEADER +#include +#include + +#ifndef RE_Int + #define RE_Int int64_t +#endif + +#ifndef RE_API + #ifdef __cplusplus + #define RE_API extern "C" + #else + #define RE_API + #endif +#endif + +#ifndef RE_FN + #if defined(__GNUC__) || defined(__clang__) + #define RE_FN __attribute__((unused)) static + #else + #define RE_FN static + #endif +#endif + +#ifndef RE_Arena + #define RE_Arena RE__Arena +typedef struct RE__Arena { + char *buff; + RE_Int len; + RE_Int cap; +} RE_Arena; + #define RE_PushSize(arena, size) RE__PushSize(arena, size) + #define RE_ArenaFromBuffer(buff, size) RE__ArenaFromBuffer(buff, size) +#else + #define RE_CUSTOM_ARENA_TYPE + #ifndef RE_PushSize + #error If you use a custom Arena type, you need to implement RE_PushSize macro + #endif + #ifndef RE_ArenaFromBuffer + #define RE_ArenaFromBuffer(buff, size) RE__ArenaFromBufferStub(buff, size) + #endif +#endif + +typedef struct RE_String RE_String; +typedef struct RE_Utf32Result RE_Utf32Result; +typedef struct RE_Parser RE_Parser; +typedef enum RE_MatchKind RE_MatchKind; +typedef struct RE_Regex RE_Regex; +typedef struct RE_Match RE_Match; + +/* @todo +Add \W \D \S oppsites +*/ + +enum RE_MatchKind { + RE_MATCH_NULL, + RE_MATCH_FRONT, + RE_MATCH_BACK, + RE_MATCH_WORD, + RE_MATCH_OR, + RE_MATCH_GROUP, + RE_MATCH_SELECTED, + RE_MATCH_NOT_SELECTED, + RE_MATCH_RANGE, + RE_MATCH_ANY, + RE_MATCH_ANY_WORD, + RE_MATCH_ANY_DIGIT, + RE_MATCH_ANY_WHITESPACE, + RE_MATCH_ONE_OR_MORE, + RE_MATCH_ZERO_OR_MORE, + RE_MATCH_ZERO_OR_ONE, +}; + +struct RE_Regex { + RE_MatchKind kind; + RE_Regex *next; + RE_Regex *prev; + + union { + struct { + char word_min; + char word_max; + }; + char word; + uint32_t word32; + RE_Regex *child; + struct { + RE_Regex *left; + RE_Regex *right; + }; + struct { + RE_Regex *first; + RE_Regex *last; + } group; + }; +}; + +struct RE_Match { + RE_Int pos; + RE_Int size; +}; + +RE_API bool RE1_AreEqual(char *regex, char *string); +RE_API bool RE2_AreEqual(RE_Regex *regex, char *string); +RE_API bool RE3_AreEqual(RE_Regex *regex, char *string, RE_Int len); +RE_API RE_Match RE1_Find(char *regex, char *string); +RE_API RE_Match RE2_Find(RE_Regex *regex, char *string); +RE_API RE_Match RE3_Find(RE_Regex *regex, char *string, RE_Int len); +RE_API RE_Match RE2_FindAgain(RE_Regex *regex, char *string, RE_Match prev_match); +RE_API RE_Match RE3_FindAgain(RE_Regex *regex, char *string, RE_Int len, RE_Match prev_match); +RE_API RE_Int RE3_MatchFront(RE_Regex *regex, char *string, RE_Int len, char *string_front); +RE_API RE_Regex *RE1_Parse(RE_Arena *arena, char *string); +RE_API RE_Regex *RE2_Parse(RE_Arena *arena, char *string, RE_Int len); +RE_API RE_Regex *RE1_ParseBuff(char *buff, RE_Int buffsize, char *string); +RE_API RE_Regex *RE2_ParseBuff(char *buff, RE_Int buffsize, char *string, RE_Int len); + +#endif // RE_HEADER + +#ifdef RE_IMPLEMENTATION +#ifndef RE_ASSERT + #include + #define RE_ASSERT(x) assert(x) +#endif + +#ifndef RE_STRICT_ASSERT + #define RE_STRICT_ASSERT RE_ASSERT +#endif + +#ifndef RE__MemoryZero + #define RE__MemoryZero RE__MemoryZero +RE_FN void RE__MemoryZero(void *p, size_t size) { + uint8_t *p8 = (uint8_t *)p; + while (size--) *p8++ = 0; +} +#endif + +#ifndef RE_CUSTOM_ARENA_TYPE +RE_FN void *RE__PushSize(RE_Arena *arena, RE_Int size) { + if (arena->len + size > arena->cap) { + RE_ASSERT(!"RE_Regex: Not enough memory passed for this regex"); + } + void *result = arena->buff + arena->len; + arena->len += size; + return result; +} + +RE_FN RE_Arena RE__ArenaFromBuffer(char *buff, RE_Int size) { + RE_Arena result; + result.len = 0; + result.cap = size; + result.buff = buff; + return result; +} +#else +RE_FN RE_Arena RE__ArenaFromBufferStub(char *buff, RE_Int size) { + RE_Arena result; + RE_ASSERT(!"RE_Regex: ArenaFromBuffer is not implemented"); + RE__MemoryZero(&result, sizeof(result)); + return result; +} +#endif + +struct RE_String { + char *str; + RE_Int len; +}; + +RE_FN RE_String RE_Skip(RE_String string, RE_Int len) { + if (len > string.len) len = string.len; + RE_Int remain = string.len - len; + RE_String result; + result.str = string.str + len; + result.len = remain; + return result; +} + +RE_FN RE_Int RE_StringLength(char *string) { + RE_Int len = 0; + while (*string++ != 0) len++; + return len; +} + +struct RE_Utf32Result { + uint32_t out_str; + int advance; + int error; +}; + +RE_FN RE_Utf32Result RE_ConvertUTF8ToUTF32(char *c, int max_advance) { + RE_Utf32Result result; + RE__MemoryZero(&result, sizeof(result)); + + if ((c[0] & 0x80) == 0) { // Check if leftmost zero of first byte is unset + if (max_advance >= 1) { + result.out_str = c[0]; + result.advance = 1; + } + else result.error = 1; + } + + else if ((c[0] & 0xe0) == 0xc0) { + if ((c[1] & 0xc0) == 0x80) { // Continuation byte required + if (max_advance >= 2) { + result.out_str = (uint32_t)(c[0] & 0x1f) << 6u | (c[1] & 0x3f); + result.advance = 2; + } + else result.error = 2; + } + else result.error = 2; + } + + else if ((c[0] & 0xf0) == 0xe0) { + if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80) { // Two continuation bytes required + if (max_advance >= 3) { + result.out_str = (uint32_t)(c[0] & 0xf) << 12u | (uint32_t)(c[1] & 0x3f) << 6u | (c[2] & 0x3f); + result.advance = 3; + } + else result.error = 3; + } + else result.error = 3; + } + + else if ((c[0] & 0xf8) == 0xf0) { + if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80 && (c[3] & 0xc0) == 0x80) { // Three continuation bytes required + if (max_advance >= 4) { + result.out_str = (uint32_t)(c[0] & 0xf) << 18u | (uint32_t)(c[1] & 0x3f) << 12u | (uint32_t)(c[2] & 0x3f) << 6u | (uint32_t)(c[3] & 0x3f); + result.advance = 4; + } + else result.error = 4; + } + else result.error = 4; + } + else result.error = 4; + + return result; +} + +#define RE_DLL_QUEUE_REMOVE(first, last, node) \ + do { \ + if ((first) == (last)) { \ + (first) = (last) = 0; \ + } \ + else if ((last) == (node)) { \ + (last) = (last)->prev; \ + (last)->next = 0; \ + } \ + else if ((first) == (node)) { \ + (first) = (first)->next; \ + (first)->prev = 0; \ + } \ + else { \ + (node)->prev->next = (node)->next; \ + (node)->next->prev = (node)->prev; \ + } \ + if (node) (node)->prev = 0; \ + } while (0) + +#define RE_DLL_QUEUE_ADD(f, l, node) \ + do { \ + if ((f) == 0) { \ + (f) = (l) = (node); \ + (node)->prev = 0; \ + (node)->next = 0; \ + } \ + else { \ + (l)->next = (node); \ + (node)->prev = (l); \ + (node)->next = 0; \ + (l) = (node); \ + } \ + } while (0) + +static RE_Regex RE_NullRegex; +static char RE_NullChar; + +struct RE_Parser { + RE_String string; + RE_Int i; + RE_Regex *first; + RE_Regex *last; +}; + +RE_FN char *RE_GetP(RE_Parser *P) { + if (P->i >= P->string.len) return &RE_NullChar; + return P->string.str + P->i; +} + +RE_FN char RE_Get(RE_Parser *P) { + if (P->i >= P->string.len) return 0; + return P->string.str[P->i]; +} + +RE_FN char RE_Get1(RE_Parser *P) { + if ((P->i + 1) >= P->string.len || P->i >= P->string.len) return 0; + return P->string.str[P->i + 1]; +} + +RE_FN void RE_Advance(RE_Parser *P) { + if (P->i >= P->string.len) return; + P->i += 1; +} + +RE_FN RE_Regex *RE_ParseSingle(RE_Parser *P, RE_Arena *arena, RE_Regex **first, RE_Regex **last) { + RE_Regex *regex = (RE_Regex *)RE_PushSize(arena, sizeof(RE_Regex)); + RE__MemoryZero(regex, sizeof(*regex)); + char *c = RE_GetP(P); + RE_Int size_left = P->string.len - P->i; + RE_Advance(P); + switch (*c) { + case ')': RE_STRICT_ASSERT(regex->kind != RE_MATCH_NULL && "Invalid regex syntax, ')' appeared without matching '('"); break; + case '\0': RE_STRICT_ASSERT(regex->kind != RE_MATCH_NULL && "Invalid regex syntax, reached end of string obruptly"); break; + case '.': regex->kind = RE_MATCH_ANY; break; + case '^': regex->kind = RE_MATCH_FRONT; break; + case '$': regex->kind = RE_MATCH_BACK; break; + + case '*': { + if (*last) { + regex->kind = RE_MATCH_ZERO_OR_MORE; + RE_Regex *prev = *last; + RE_DLL_QUEUE_REMOVE(*first, *last, *last); + regex->child = prev; + } + else { + RE_STRICT_ASSERT(!"Invalid regex syntax, '*' is not attached to anything"); + } + } break; + + case '+': { + if (*last) { + regex->kind = RE_MATCH_ONE_OR_MORE; + RE_Regex *prev = *last; + RE_DLL_QUEUE_REMOVE(*first, *last, *last); + regex->child = prev; + } + else { + RE_STRICT_ASSERT(!"Invalid regex syntax, '+' is not attached to anything"); + } + } break; + + case '?': { + if (*last) { + regex->kind = RE_MATCH_ZERO_OR_ONE; + RE_Regex *prev = *last; + RE_DLL_QUEUE_REMOVE(*first, *last, *last); + regex->child = prev; + } + else { + RE_STRICT_ASSERT(!"Invalid regex syntax, '?' is not attached to anything"); + } + } break; + + case '[': { + regex->kind = RE_MATCH_SELECTED; + if (RE_Get(P) == '^') { + regex->kind = RE_MATCH_NOT_SELECTED; + RE_Advance(P); + } + while (RE_Get(P) != 0 && RE_Get(P) != ']') { + RE_Regex *r = RE_ParseSingle(P, arena, ®ex->group.first, ®ex->group.last); + if (r->kind == RE_MATCH_NULL) { + regex->kind = RE_MATCH_NULL; + break; + } + if (r->kind == RE_MATCH_WORD && RE_Get(P) == '-') { + char word = RE_Get1(P); + if (word >= '!' && word <= '~') { + RE_Advance(P); + RE_Regex *right = RE_ParseSingle(P, arena, 0, 0); + if (right->kind == RE_MATCH_NULL) { + regex->kind = RE_MATCH_NULL; + break; + } + RE_ASSERT(right->kind == RE_MATCH_WORD); + RE_ASSERT(right->word == word); + r->word_min = word > r->word ? r->word : word; + r->word_max = word > r->word ? word : r->word; + r->kind = RE_MATCH_RANGE; + } + } + RE_DLL_QUEUE_ADD(regex->group.first, regex->group.last, r); + } + RE_Advance(P); + } break; + + case '(': { + regex->kind = RE_MATCH_GROUP; + while (RE_Get(P) != 0 && RE_Get(P) != ')') { + RE_Regex *r = RE_ParseSingle(P, arena, ®ex->group.first, ®ex->group.last); + if (r->kind == RE_MATCH_NULL) { + regex->kind = RE_MATCH_NULL; + break; + } + RE_DLL_QUEUE_ADD(regex->group.first, regex->group.last, r); + } + RE_Advance(P); + } break; + + case '|': { + if (*last) { + regex->kind = RE_MATCH_OR; + RE_Regex *left = *last; + RE_Regex *right = RE_ParseSingle(P, arena, first, last); + if (right->kind == RE_MATCH_NULL) { + regex->kind = RE_MATCH_NULL; + RE_STRICT_ASSERT(!"Invalid regex syntax, '|' appeared but it's right option is invalid"); + } + else { + RE_DLL_QUEUE_REMOVE(*first, *last, left); + regex->left = left; + regex->right = right; + } + } + } break; + + case '\\': { + regex->kind = RE_MATCH_WORD; + regex->word = RE_Get(P); + switch (regex->word) { + case 'n': regex->word = '\n'; break; + case 't': regex->word = '\t'; break; + case 'r': regex->word = '\r'; break; + case 'w': regex->kind = RE_MATCH_ANY_WORD; break; + case 'd': regex->kind = RE_MATCH_ANY_DIGIT; break; + case 's': regex->kind = RE_MATCH_ANY_WHITESPACE; break; + case '\0': { + regex->kind = RE_MATCH_NULL; + RE_STRICT_ASSERT(!"Invalid regex syntax, escape '\\' followed by end of string"); + } break; + } + RE_Advance(P); + } break; + + default: { + regex->kind = RE_MATCH_WORD; + RE_Utf32Result decode = RE_ConvertUTF8ToUTF32(c, (int)size_left); + if (decode.error) { + regex->kind = RE_MATCH_NULL; + RE_STRICT_ASSERT(!"Invalid regex syntax, string is an invalid utf8"); + } + else { + regex->word32 = decode.out_str; + for (int i = 0; i < decode.advance - 1; i += 1) + RE_Advance(P); + } + } + } + + return regex; +} + +RE_FN RE_Int RE_MatchSingle(RE_Regex *regex, RE_String string) { + switch (regex->kind) { + case RE_MATCH_ZERO_OR_MORE: { + RE_Int result = 0; + for (; string.len;) { + // @idea + // In this case (asd)*(asd) we just quit with 0 + // when we meet asd + // Maybe this should be collapsed in parsing stage/ + // asd should be combined with *asd etc. cause + // now it's a bit weird but I dont know why you would + // type that in the first place + if (RE_MatchSingle(regex->next, string) != -1) break; + RE_Int index = RE_MatchSingle(regex->child, string); + if (index == -1) break; + string = RE_Skip(string, index); + result += index; + } + return result; + } break; + + case RE_MATCH_ONE_OR_MORE: { + RE_Int result = 0; + for (; string.len;) { + RE_Int index = RE_MatchSingle(regex->child, string); + if (index == -1) break; + string = RE_Skip(string, index); + result += index; + } + + if (result == 0) return -1; + return result; + } break; + + case RE_MATCH_OR: { + RE_Int right = RE_MatchSingle(regex->right, string); + RE_Int left = RE_MatchSingle(regex->left, string); + if (left > right) return left; + else return right; + } break; + + case RE_MATCH_GROUP: { + RE_Int result = 0; + for (RE_Regex *it = regex->group.first; it; it = it->next) { + if (string.len == 0) return -1; + RE_Int index = RE_MatchSingle(it, string); + if (index == -1) return -1; + result += index; + string = RE_Skip(string, index); + } + return result; + } break; + + case RE_MATCH_NOT_SELECTED: { + for (RE_Regex *it = regex->group.first; it; it = it->next) { + RE_Int index = RE_MatchSingle(it, string); + if (index != -1) return -1; + } + RE_Utf32Result decode = RE_ConvertUTF8ToUTF32(string.str, (int)string.len); + if (decode.error) return -1; + return decode.advance; + } break; + + case RE_MATCH_SELECTED: { + for (RE_Regex *it = regex->group.first; it; it = it->next) { + RE_Int index = RE_MatchSingle(it, string); + if (index != -1) return index; + } + return -1; + } break; + + case RE_MATCH_RANGE: { + if (string.str[0] >= regex->word_min && string.str[0] <= regex->word_max) + return 1; + return -1; + } + + case RE_MATCH_ANY_WORD: { + if ((string.str[0] >= 'a' && string.str[0] <= 'z') || (string.str[0] >= 'A' && string.str[0] <= 'Z')) + return 1; + return -1; + } break; + + case RE_MATCH_ANY_DIGIT: { + if (string.str[0] >= '0' && string.str[0] <= '9') + return 1; + return -1; + } break; + + case RE_MATCH_ANY_WHITESPACE: { + if (string.str[0] == ' ' || string.str[0] == '\n' || string.str[0] == '\t' || string.str[0] == '\r') + return 1; + return -1; + } break; + + case RE_MATCH_ANY: { + if (string.str[0] != '\n') { + return 1; + } + return -1; + } break; + + case RE_MATCH_ZERO_OR_ONE: { + RE_Int index = RE_MatchSingle(regex->child, string); + if (index == -1) index = 0; + return index; + } break; + + case RE_MATCH_WORD: { + RE_Utf32Result decode = RE_ConvertUTF8ToUTF32(string.str, (int)string.len); + if (decode.error) return -1; + if (decode.out_str == regex->word32) return decode.advance; + return -1; + } break; + + case RE_MATCH_BACK: + case RE_MATCH_NULL: return -1; + + default: RE_ASSERT(!"Invalid codepath"); + } + return -1; +} + +RE_API bool RE1_AreEqual(char *regex, char *string) { + char buff[4096]; + RE_Arena arena = RE_ArenaFromBuffer(buff, sizeof(buff)); + RE_Regex *re = RE1_Parse(&arena, regex); + bool result = RE3_AreEqual(re, string, RE_StringLength(string)); + return result; +} + +RE_API bool RE2_AreEqual(RE_Regex *regex, char *string) { + return RE3_AreEqual(regex, string, RE_StringLength(string)); +} + +RE_API bool RE3_AreEqual(RE_Regex *regex, char *string, RE_Int len) { + RE_Int result = RE3_MatchFront(regex, string, len, string); + return result == len ? true : false; +} + +RE_API RE_Match RE1_Find(char *regex, char *string) { + char buff[4096]; + RE_Arena arena = RE_ArenaFromBuffer(buff, sizeof(buff)); + RE_Regex *re = RE1_Parse(&arena, regex); + RE_Match result = RE2_Find(re, string); + return result; +} + +RE_API RE_Match RE2_Find(RE_Regex *regex, char *string) { + return RE3_Find(regex, string, RE_StringLength(string)); +} + +RE_API RE_Match RE3_Find(RE_Regex *regex, char *string, RE_Int len) { + RE_Match result; + for (RE_Int i = 0; i < len; i += 1) { + result.size = RE3_MatchFront(regex, string + i, len - i, string); + if (result.size != -1) { + result.pos = i; + return result; + } + } + + result.size = 0; + result.pos = -1; + return result; +} + +RE_API RE_Match RE2_FindAgain(RE_Regex *regex, char *string, RE_Match prev_match) { + return RE2_Find(regex, string + prev_match.pos); +} + +RE_API RE_Match RE3_FindAgain(RE_Regex *regex, char *string, RE_Int len, RE_Match prev_match) { + return RE3_Find(regex, string + prev_match.pos, len - prev_match.pos); +} + +RE_API RE_Int RE3_MatchFront(RE_Regex *regex, char *string, RE_Int len, char *string_front) { + RE_String re_string; + re_string.str = string; + re_string.len = len; + RE_Int submatch_len = 0; + for (RE_Regex *it = regex; it; it = it->next) { + if (it->kind == RE_MATCH_FRONT) { + if (re_string.str == string_front) + continue; + return -1; + } + if (it->kind == RE_MATCH_BACK) { + if (re_string.len == 0) + continue; + return -1; + } + + RE_Int index = RE_MatchSingle(it, re_string); + if (index == -1) return -1; + re_string = RE_Skip(re_string, index); + submatch_len += index; + } + return submatch_len; +} + +RE_API RE_Regex *RE1_Parse(RE_Arena *arena, char *string) { + return RE2_Parse(arena, string, RE_StringLength(string)); +} + +RE_API RE_Regex *RE2_Parse(RE_Arena *arena, char *string, RE_Int len) { + RE_Parser P; + RE__MemoryZero(&P, sizeof(P)); + P.string.str = string; + P.string.len = len; + + for (; P.i < P.string.len;) { + RE_Regex *regex = RE_ParseSingle(&P, arena, &P.first, &P.last); + RE_DLL_QUEUE_ADD(P.first, P.last, regex); + if (regex->kind == RE_MATCH_NULL) { + P.first = &RE_NullRegex; + break; + } + } + return P.first; +} + +RE_API RE_Regex *RE1_ParseBuff(char *buff, RE_Int buffsize, char *string) { + RE_Arena arena = RE_ArenaFromBuffer(buff, buffsize); + RE_Regex *result = RE1_Parse(&arena, string); + return result; +} + +RE_API RE_Regex *RE2_ParseBuff(char *buff, RE_Int buffsize, char *string, RE_Int len) { + RE_Arena arena = RE_ArenaFromBuffer(buff, buffsize); + RE_Regex *result = RE2_Parse(&arena, string, len); + return result; +} + +#endif \ No newline at end of file diff --git a/src/core/stack.h b/src/core/stack.h new file mode 100755 index 0000000..183e3f5 --- /dev/null +++ b/src/core/stack.h @@ -0,0 +1,21 @@ + +#define Stack_Lengthof(x) ((int)((sizeof(x) / sizeof((x)[0])))) +#define Stack(T, size) \ + struct { \ + int len; \ + T data[size]; \ + } +#define S_Add(s, val) ( \ + ((s).len + 1 > Stack_Lengthof((s).data) && IO_Assert("Reached stack capacity")), \ + (s).data[(s).len++] = (val)) +#define S_Alloc(s) ( \ + ((s).len + 1 > Stack_Lengthof((s).data) && IO_Assert("Reached stack capacity")), \ + ((s).data + (s).len++)) + +#define S_Pop(s) ( \ + ((s).len <= 0 && IO_Assert("Trying to pop stack of size 0")), \ + (s).data[--(s).len]) +#define S_Get(s, i) ( \ + ((i) >= (s).len && IO_Assert("Trying to index stack out of bounds")), \ + (s).data + (i)) +#define S_GetLast(s) S_Get(s, (s).len - 1) diff --git a/src/core/stb_sprintf.h b/src/core/stb_sprintf.h new file mode 100755 index 0000000..6ae1c48 --- /dev/null +++ b/src/core/stb_sprintf.h @@ -0,0 +1,1931 @@ +// stb_sprintf - v1.10 - public domain snprintf() implementation +// originally by Jeff Roberts / RAD Game Tools, 2015/10/20 +// http://github.com/nothings/stb +// +// allowed types: sc uidBboXx p AaGgEef n +// lengths : hh h ll j z t I64 I32 I +// +// Contributors: +// Fabian "ryg" Giesen (reformatting) +// github:aganm (attribute format) +// +// Contributors (bugfixes): +// github:d26435 +// github:trex78 +// github:account-login +// Jari Komppa (SI suffixes) +// Rohit Nirmal +// Marcin Wojdyr +// Leonard Ritter +// Stefano Zanotti +// Adam Allison +// Arvid Gerstmann +// Markus Kolb +// +// LICENSE: +// +// See end of file for license information. + +#ifndef STB_SPRINTF_H_INCLUDE + #define STB_SPRINTF_H_INCLUDE + #include +/* +Single file sprintf replacement. + +Originally written by Jeff Roberts at RAD Game Tools - 2015/10/20. +Hereby placed in public domain. + +This is a full sprintf replacement that supports everything that +the C runtime sprintfs support, including float/double, 64-bit integers, +hex floats, field parameters (%*.*d stuff), length reads backs, etc. + +Why would you need this if sprintf already exists? Well, first off, +it's *much* faster (see below). It's also much smaller than the CRT +versions code-space-wise. We've also added some simple improvements +that are super handy (commas in thousands, callbacks at buffer full, +for example). Finally, the format strings for MSVC and GCC differ +for 64-bit integers (among other small things), so this lets you use +the same format strings in cross platform code. + +It uses the standard single file trick of being both the header file +and the source itself. If you just include it normally, you just get +the header file function definitions. To get the code, you include +it from a C or C++ file and define STB_SPRINTF_IMPLEMENTATION first. + +It only uses va_args macros from the C runtime to do it's work. It +does cast doubles to S64s and shifts and divides U64s, which does +drag in CRT code on most platforms. + +It compiles to roughly 8K with float support, and 4K without. +As a comparison, when using MSVC static libs, calling sprintf drags +in 16K. + +API: +==== +int stbsp_sprintf( char * buf, char const * fmt, ... ) +int stbsp_snprintf( char * buf, int count, char const * fmt, ... ) + Convert an arg list into a buffer. stbsp_snprintf always returns + a zero-terminated string (unlike regular snprintf). + +int stbsp_vsprintf( char * buf, char const * fmt, va_list va ) +int stbsp_vsnprintf( char * buf, int count, char const * fmt, va_list va ) + Convert a va_list arg list into a buffer. stbsp_vsnprintf always returns + a zero-terminated string (unlike regular snprintf). + +int stbsp_vsprintfcb( STBSP_SPRINTFCB * callback, void * user, char * buf, char const * fmt, va_list va ) + typedef char * STBSP_SPRINTFCB( char const * buf, void * user, int len ); + Convert into a buffer, calling back every STB_SPRINTF_MIN chars. + Your callback can then copy the chars out, print them or whatever. + This function is actually the workhorse for everything else. + The buffer you pass in must hold at least STB_SPRINTF_MIN characters. + // you return the next buffer to use or 0 to stop converting + +void stbsp_set_separators( char comma, char period ) + Set the comma and period characters to use. + +FLOATS/DOUBLES: +=============== +This code uses a internal float->ascii conversion method that uses +doubles with error correction (double-doubles, for ~105 bits of +precision). This conversion is round-trip perfect - that is, an atof +of the values output here will give you the bit-exact double back. + +One difference is that our insignificant digits will be different than +with MSVC or GCC (but they don't match each other either). We also +don't attempt to find the minimum length matching float (pre-MSVC15 +doesn't either). + +If you don't need float or doubles at all, define STB_SPRINTF_NOFLOAT +and you'll save 4K of code space. + +64-BIT INTS: +============ +This library also supports 64-bit integers and you can use MSVC style or +GCC style indicators (%I64d or %lld). It supports the C99 specifiers +for size_t and ptr_diff_t (%jd %zd) as well. + +EXTRAS: +======= +Like some GCCs, for integers and floats, you can use a ' (single quote) +specifier and commas will be inserted on the thousands: "%'d" on 12345 +would print 12,345. + +For integers and floats, you can use a "$" specifier and the number +will be converted to float and then divided to get kilo, mega, giga or +tera and then printed, so "%$d" 1000 is "1.0 k", "%$.2d" 2536000 is +"2.53 M", etc. For byte values, use two $:s, like "%$$d" to turn +2536000 to "2.42 Mi". If you prefer JEDEC suffixes to SI ones, use three +$:s: "%$$$d" -> "2.42 M". To remove the space between the number and the +suffix, add "_" specifier: "%_$d" -> "2.53M". + +In addition to octal and hexadecimal conversions, you can print +integers in binary: "%b" for 256 would print 100. + +PERFORMANCE vs MSVC 2008 32-/64-bit (GCC is even slower than MSVC): +=================================================================== +"%d" across all 32-bit ints (4.8x/4.0x faster than 32-/64-bit MSVC) +"%24d" across all 32-bit ints (4.5x/4.2x faster) +"%x" across all 32-bit ints (4.5x/3.8x faster) +"%08x" across all 32-bit ints (4.3x/3.8x faster) +"%f" across e-10 to e+10 floats (7.3x/6.0x faster) +"%e" across e-10 to e+10 floats (8.1x/6.0x faster) +"%g" across e-10 to e+10 floats (10.0x/7.1x faster) +"%f" for values near e-300 (7.9x/6.5x faster) +"%f" for values near e+300 (10.0x/9.1x faster) +"%e" for values near e-300 (10.1x/7.0x faster) +"%e" for values near e+300 (9.2x/6.0x faster) +"%.320f" for values near e-300 (12.6x/11.2x faster) +"%a" for random values (8.6x/4.3x faster) +"%I64d" for 64-bits with 32-bit values (4.8x/3.4x faster) +"%I64d" for 64-bits > 32-bit values (4.9x/5.5x faster) +"%s%s%s" for 64 char strings (7.1x/7.3x faster) +"...512 char string..." ( 35.0x/32.5x faster!) +*/ + + #if defined(__clang__) + #if defined(__has_feature) && defined(__has_attribute) + #if __has_feature(address_sanitizer) + #if __has_attribute(__no_sanitize__) + #define STBSP__ASAN __attribute__((__no_sanitize__("address"))) + #elif __has_attribute(__no_sanitize_address__) + #define STBSP__ASAN __attribute__((__no_sanitize_address__)) + #elif __has_attribute(__no_address_safety_analysis__) + #define STBSP__ASAN __attribute__((__no_address_safety_analysis__)) + #endif + #endif + #endif + #elif defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) + #if defined(__SANITIZE_ADDRESS__) && __SANITIZE_ADDRESS__ + #define STBSP__ASAN __attribute__((__no_sanitize_address__)) + #endif + #endif + + #ifndef STBSP__ASAN + #define STBSP__ASAN + #endif + + #ifdef STB_SPRINTF_STATIC + #define STBSP__PUBLICDEC static + #define STBSP__PUBLICDEF static STBSP__ASAN + #else + #ifdef __cplusplus + #define STBSP__PUBLICDEC extern "C" + #define STBSP__PUBLICDEF extern "C" STBSP__ASAN + #else + #define STBSP__PUBLICDEC extern + #define STBSP__PUBLICDEF STBSP__ASAN + #endif + #endif + + #if defined(__has_attribute) + #if __has_attribute(format) + #define STBSP__ATTRIBUTE_FORMAT(fmt, va) __attribute__((format(printf, fmt, va))) + #endif + #endif + + #ifndef STBSP__ATTRIBUTE_FORMAT + #define STBSP__ATTRIBUTE_FORMAT(fmt, va) + #endif + + #ifdef _MSC_VER + #define STBSP__NOTUSED(v) (void)(v) + #else + #define STBSP__NOTUSED(v) (void)sizeof(v) + #endif + + #include // for va_arg(), va_list() + #include // size_t, ptrdiff_t + + #ifndef STB_SPRINTF_MIN + #define STB_SPRINTF_MIN 512 // how many characters per callback + #endif +typedef char *STBSP_SPRINTFCB(const char *buf, void *user, int len); + + #ifndef STB_SPRINTF_DECORATE + #define STB_SPRINTF_DECORATE(name) stbsp_##name // define this before including if you want to change the names + #endif + +STBSP__PUBLICDEC int STB_SPRINTF_DECORATE(vsprintf)(char *buf, char const *fmt, va_list va); +STBSP__PUBLICDEC int STB_SPRINTF_DECORATE(vsnprintf)(char *buf, int count, char const *fmt, va_list va); +STBSP__PUBLICDEC int STB_SPRINTF_DECORATE(sprintf)(char *buf, char const *fmt, ...) STBSP__ATTRIBUTE_FORMAT(2, 3); +STBSP__PUBLICDEC int STB_SPRINTF_DECORATE(snprintf)(char *buf, int count, char const *fmt, ...) STBSP__ATTRIBUTE_FORMAT(3, 4); + +STBSP__PUBLICDEC int STB_SPRINTF_DECORATE(vsprintfcb)(STBSP_SPRINTFCB *callback, void *user, char *buf, char const *fmt, va_list va); +STBSP__PUBLICDEC void STB_SPRINTF_DECORATE(set_separators)(char comma, char period); + +#endif // STB_SPRINTF_H_INCLUDE + +#ifdef STB_SPRINTF_IMPLEMENTATION + + #define stbsp__uint32 unsigned int + #define stbsp__int32 signed int + + #ifdef _MSC_VER + #define stbsp__uint64 unsigned __int64 + #define stbsp__int64 signed __int64 + #else + #define stbsp__uint64 unsigned long long + #define stbsp__int64 signed long long + #endif + #define stbsp__uint16 unsigned short + + #ifndef stbsp__uintptr + #if defined(__ppc64__) || defined(__powerpc64__) || defined(__aarch64__) || defined(_M_X64) || defined(__x86_64__) || defined(__x86_64) || defined(__s390x__) + #define stbsp__uintptr stbsp__uint64 + #else + #define stbsp__uintptr stbsp__uint32 + #endif + #endif + + #ifndef STB_SPRINTF_MSVC_MODE // used for MSVC2013 and earlier (MSVC2015 matches GCC) + #if defined(_MSC_VER) && (_MSC_VER < 1900) + #define STB_SPRINTF_MSVC_MODE + #endif + #endif + + #ifdef STB_SPRINTF_NOUNALIGNED // define this before inclusion to force stbsp_sprintf to always use aligned accesses + #define STBSP__UNALIGNED(code) + #else + #define STBSP__UNALIGNED(code) code + #endif + + #ifndef STB_SPRINTF_NOFLOAT +// internal float utility functions +static stbsp__int32 stbsp__real_to_str(char const **start, stbsp__uint32 *len, char *out, stbsp__int32 *decimal_pos, double value, stbsp__uint32 frac_digits); +static stbsp__int32 stbsp__real_to_parts(stbsp__int64 *bits, stbsp__int32 *expo, double value); + #define STBSP__SPECIAL 0x7000 + #endif + +static char stbsp__period = '.'; +static char stbsp__comma = ','; +static struct +{ + short temp; // force next field to be 2-byte aligned + char pair[201]; +} stbsp__digitpair = + { + 0, + "00010203040506070809101112131415161718192021222324" + "25262728293031323334353637383940414243444546474849" + "50515253545556575859606162636465666768697071727374" + "75767778798081828384858687888990919293949596979899"}; + +STBSP__PUBLICDEF void STB_SPRINTF_DECORATE(set_separators)(char pcomma, char pperiod) { + stbsp__period = pperiod; + stbsp__comma = pcomma; +} + + #define STBSP__LEFTJUST 1 + #define STBSP__LEADINGPLUS 2 + #define STBSP__LEADINGSPACE 4 + #define STBSP__LEADING_0X 8 + #define STBSP__LEADINGZERO 16 + #define STBSP__INTMAX 32 + #define STBSP__TRIPLET_COMMA 64 + #define STBSP__NEGATIVE 128 + #define STBSP__METRIC_SUFFIX 256 + #define STBSP__HALFWIDTH 512 + #define STBSP__METRIC_NOSPACE 1024 + #define STBSP__METRIC_1024 2048 + #define STBSP__METRIC_JEDEC 4096 + +static void stbsp__lead_sign(stbsp__uint32 fl, char *sign) { + sign[0] = 0; + if (fl & STBSP__NEGATIVE) { + sign[0] = 1; + sign[1] = '-'; + } + else if (fl & STBSP__LEADINGSPACE) { + sign[0] = 1; + sign[1] = ' '; + } + else if (fl & STBSP__LEADINGPLUS) { + sign[0] = 1; + sign[1] = '+'; + } +} + +static STBSP__ASAN stbsp__uint32 stbsp__strlen_limited(char const *s, stbsp__uint32 limit) { + char const *sn = s; + + // get up to 4-byte alignment + for (;;) { + if (((stbsp__uintptr)sn & 3) == 0) + break; + + if (!limit || *sn == 0) + return (stbsp__uint32)(sn - s); + + ++sn; + --limit; + } + + // scan over 4 bytes at a time to find terminating 0 + // this will intentionally scan up to 3 bytes past the end of buffers, + // but becase it works 4B aligned, it will never cross page boundaries + // (hence the STBSP__ASAN markup; the over-read here is intentional + // and harmless) + while (limit >= 4) { + stbsp__uint32 v = *(stbsp__uint32 *)sn; + // bit hack to find if there's a 0 byte in there + if ((v - 0x01010101) & (~v) & 0x80808080UL) + break; + + sn += 4; + limit -= 4; + } + + // handle the last few characters to find actual size + while (limit && *sn) { + ++sn; + --limit; + } + + return (stbsp__uint32)(sn - s); +} + +STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(vsprintfcb)(STBSP_SPRINTFCB *callback, void *user, char *buf, char const *fmt, va_list va) { + static char hex[] = "0123456789abcdefxp"; + static char hexu[] = "0123456789ABCDEFXP"; + char *bf; + char const *f; + int tlen = 0; + + bf = buf; + f = fmt; + for (;;) { + stbsp__int32 fw, pr, tz; + stbsp__uint32 fl; + + // macros for the callback buffer stuff + #define stbsp__chk_cb_bufL(bytes) \ + { \ + int len = (int)(bf - buf); \ + if ((len + (bytes)) >= STB_SPRINTF_MIN) { \ + tlen += len; \ + if (0 == (bf = buf = callback(buf, user, len))) \ + goto done; \ + } \ + } + #define stbsp__chk_cb_buf(bytes) \ + { \ + if (callback) { \ + stbsp__chk_cb_bufL(bytes); \ + } \ + } + #define stbsp__flush_cb() \ + { \ + stbsp__chk_cb_bufL(STB_SPRINTF_MIN - 1); \ + } // flush if there is even one byte in the buffer + #define stbsp__cb_buf_clamp(cl, v) \ + cl = v; \ + if (callback) { \ + int lg = STB_SPRINTF_MIN - (int)(bf - buf); \ + if (cl > lg) \ + cl = lg; \ + } + + // fast copy everything up to the next % (or end of string) + for (;;) { + while (((stbsp__uintptr)f) & 3) { + schk1: + if (f[0] == '%') + goto scandd; + schk2: + if (f[0] == 0) + goto endfmt; + stbsp__chk_cb_buf(1); + *bf++ = f[0]; + ++f; + } + for (;;) { + // Check if the next 4 bytes contain %(0x25) or end of string. + // Using the 'hasless' trick: + // https://graphics.stanford.edu/~seander/bithacks.html#HasLessInWord + stbsp__uint32 v, c; + v = *(stbsp__uint32 *)f; + c = (~v) & 0x80808080; + if (((v ^ 0x25252525) - 0x01010101) & c) + goto schk1; + if ((v - 0x01010101) & c) + goto schk2; + if (callback) + if ((STB_SPRINTF_MIN - (int)(bf - buf)) < 4) + goto schk1; + #ifdef STB_SPRINTF_NOUNALIGNED + if (((stbsp__uintptr)bf) & 3) { + bf[0] = f[0]; + bf[1] = f[1]; + bf[2] = f[2]; + bf[3] = f[3]; + } + else + #endif + { + *(stbsp__uint32 *)bf = v; + } + bf += 4; + f += 4; + } + } + scandd: + + ++f; + + // ok, we have a percent, read the modifiers first + fw = 0; + pr = -1; + fl = 0; + tz = 0; + + // flags + for (;;) { + switch (f[0]) { + // if we have left justify + case '-': + fl |= STBSP__LEFTJUST; + ++f; + continue; + // if we have leading plus + case '+': + fl |= STBSP__LEADINGPLUS; + ++f; + continue; + // if we have leading space + case ' ': + fl |= STBSP__LEADINGSPACE; + ++f; + continue; + // if we have leading 0x + case '#': + fl |= STBSP__LEADING_0X; + ++f; + continue; + // if we have thousand commas + case '\'': + fl |= STBSP__TRIPLET_COMMA; + ++f; + continue; + // if we have kilo marker (none->kilo->kibi->jedec) + case '$': + if (fl & STBSP__METRIC_SUFFIX) { + if (fl & STBSP__METRIC_1024) { + fl |= STBSP__METRIC_JEDEC; + } + else { + fl |= STBSP__METRIC_1024; + } + } + else { + fl |= STBSP__METRIC_SUFFIX; + } + ++f; + continue; + // if we don't want space between metric suffix and number + case '_': + fl |= STBSP__METRIC_NOSPACE; + ++f; + continue; + // if we have leading zero + case '0': + fl |= STBSP__LEADINGZERO; + ++f; + goto flags_done; + default: goto flags_done; + } + } + flags_done: + + // get the field width + if (f[0] == '*') { + fw = va_arg(va, stbsp__uint32); + ++f; + } + else { + while ((f[0] >= '0') && (f[0] <= '9')) { + fw = fw * 10 + f[0] - '0'; + f++; + } + } + // get the precision + if (f[0] == '.') { + ++f; + if (f[0] == '*') { + pr = va_arg(va, stbsp__uint32); + ++f; + } + else { + pr = 0; + while ((f[0] >= '0') && (f[0] <= '9')) { + pr = pr * 10 + f[0] - '0'; + f++; + } + } + } + + // handle integer size overrides + switch (f[0]) { + // are we halfwidth? + case 'h': + fl |= STBSP__HALFWIDTH; + ++f; + if (f[0] == 'h') + ++f; // QUARTERWIDTH + break; + // are we 64-bit (unix style) + case 'l': + fl |= ((sizeof(long) == 8) ? STBSP__INTMAX : 0); + ++f; + if (f[0] == 'l') { + fl |= STBSP__INTMAX; + ++f; + } + break; + // are we 64-bit on intmax? (c99) + case 'j': + fl |= (sizeof(size_t) == 8) ? STBSP__INTMAX : 0; + ++f; + break; + // are we 64-bit on size_t or ptrdiff_t? (c99) + case 'z': + fl |= (sizeof(ptrdiff_t) == 8) ? STBSP__INTMAX : 0; + ++f; + break; + case 't': + fl |= (sizeof(ptrdiff_t) == 8) ? STBSP__INTMAX : 0; + ++f; + break; + // are we 64-bit (msft style) + case 'I': + if ((f[1] == '6') && (f[2] == '4')) { + fl |= STBSP__INTMAX; + f += 3; + } + else if ((f[1] == '3') && (f[2] == '2')) { + f += 3; + } + else { + fl |= ((sizeof(void *) == 8) ? STBSP__INTMAX : 0); + ++f; + } + break; + default: break; + } + + // handle each replacement + switch (f[0]) { + #define STBSP__NUMSZ 512 // big enough for e308 (with commas) or e-307 + char num[STBSP__NUMSZ]; + char lead[8]; + char tail[8]; + char *s; + char const *h; + stbsp__uint32 l, n, cs; + stbsp__uint64 n64; + #ifndef STB_SPRINTF_NOFLOAT + double fv; + #endif + stbsp__int32 dp; + char const *sn; + struct STB_STRING { + char *str; + int64_t len; + }; + struct STB_STRING str; + + case 'Q': + str = va_arg(va, struct STB_STRING); + if (str.str == 0 && str.len != 0) { + str.str = "null"; + str.len = 4; + } + pr = (int)str.len; + s = (char *)str.str; + l = stbsp__strlen_limited(s, (pr >= 0) ? pr : ~0u); + lead[0] = 0; + tail[0] = 0; + pr = 0; + dp = 0; + cs = 0; + goto scopy; + + case 's': + // get the string + s = va_arg(va, char *); + if (s == 0) + s = (char *)"null"; + // get the length, limited to desired precision + // always limit to ~0u chars since our counts are 32b + l = stbsp__strlen_limited(s, (pr >= 0) ? pr : ~0u); + lead[0] = 0; + tail[0] = 0; + pr = 0; + dp = 0; + cs = 0; + // copy the string in + goto scopy; + + case 'c': // char + // get the character + s = num + STBSP__NUMSZ - 1; + *s = (char)va_arg(va, int); + l = 1; + lead[0] = 0; + tail[0] = 0; + pr = 0; + dp = 0; + cs = 0; + goto scopy; + + case 'n': // weird write-bytes specifier + { + int *d = va_arg(va, int *); + *d = tlen + (int)(bf - buf); + } break; + + #ifdef STB_SPRINTF_NOFLOAT + case 'A': // float + case 'a': // hex float + case 'G': // float + case 'g': // float + case 'E': // float + case 'e': // float + case 'f': // float + va_arg(va, double); // eat it + s = (char *)"No float"; + l = 8; + lead[0] = 0; + tail[0] = 0; + pr = 0; + cs = 0; + STBSP__NOTUSED(dp); + goto scopy; + #else + case 'A': // hex float + case 'a': // hex float + h = (f[0] == 'A') ? hexu : hex; + fv = va_arg(va, double); + if (pr == -1) + pr = 6; // default is 6 + // read the double into a string + if (stbsp__real_to_parts((stbsp__int64 *)&n64, &dp, fv)) + fl |= STBSP__NEGATIVE; + + s = num + 64; + + stbsp__lead_sign(fl, lead); + + if (dp == -1023) + dp = (n64) ? -1022 : 0; + else + n64 |= (((stbsp__uint64)1) << 52); + n64 <<= (64 - 56); + if (pr < 15) + n64 += ((((stbsp__uint64)8) << 56) >> (pr * 4)); + // add leading chars + + #ifdef STB_SPRINTF_MSVC_MODE + *s++ = '0'; + *s++ = 'x'; + #else + lead[1 + lead[0]] = '0'; + lead[2 + lead[0]] = 'x'; + lead[0] += 2; + #endif + *s++ = h[(n64 >> 60) & 15]; + n64 <<= 4; + if (pr) + *s++ = stbsp__period; + sn = s; + + // print the bits + n = pr; + if (n > 13) + n = 13; + if (pr > (stbsp__int32)n) + tz = pr - n; + pr = 0; + while (n--) { + *s++ = h[(n64 >> 60) & 15]; + n64 <<= 4; + } + + // print the expo + tail[1] = h[17]; + if (dp < 0) { + tail[2] = '-'; + dp = -dp; + } + else + tail[2] = '+'; + n = (dp >= 1000) ? 6 : ((dp >= 100) ? 5 : ((dp >= 10) ? 4 : 3)); + tail[0] = (char)n; + for (;;) { + tail[n] = '0' + dp % 10; + if (n <= 3) + break; + --n; + dp /= 10; + } + + dp = (int)(s - sn); + l = (int)(s - (num + 64)); + s = num + 64; + cs = 1 + (3 << 24); + goto scopy; + + case 'G': // float + case 'g': // float + h = (f[0] == 'G') ? hexu : hex; + fv = va_arg(va, double); + if (pr == -1) + pr = 6; + else if (pr == 0) + pr = 1; // default is 6 + // read the double into a string + if (stbsp__real_to_str(&sn, &l, num, &dp, fv, (pr - 1) | 0x80000000)) + fl |= STBSP__NEGATIVE; + + // clamp the precision and delete extra zeros after clamp + n = pr; + if (l > (stbsp__uint32)pr) + l = pr; + while ((l > 1) && (pr) && (sn[l - 1] == '0')) { + --pr; + --l; + } + + // should we use %e + if ((dp <= -4) || (dp > (stbsp__int32)n)) { + if (pr > (stbsp__int32)l) + pr = l - 1; + else if (pr) + --pr; // when using %e, there is one digit before the decimal + goto doexpfromg; + } + // this is the insane action to get the pr to match %g semantics for %f + if (dp > 0) { + pr = (dp < (stbsp__int32)l) ? l - dp : 0; + } + else { + pr = -dp + ((pr > (stbsp__int32)l) ? (stbsp__int32)l : pr); + } + goto dofloatfromg; + + case 'E': // float + case 'e': // float + h = (f[0] == 'E') ? hexu : hex; + fv = va_arg(va, double); + if (pr == -1) + pr = 6; // default is 6 + // read the double into a string + if (stbsp__real_to_str(&sn, &l, num, &dp, fv, pr | 0x80000000)) + fl |= STBSP__NEGATIVE; + doexpfromg: + tail[0] = 0; + stbsp__lead_sign(fl, lead); + if (dp == STBSP__SPECIAL) { + s = (char *)sn; + cs = 0; + pr = 0; + goto scopy; + } + s = num + 64; + // handle leading chars + *s++ = sn[0]; + + if (pr) + *s++ = stbsp__period; + + // handle after decimal + if ((l - 1) > (stbsp__uint32)pr) + l = pr + 1; + for (n = 1; n < l; n++) + *s++ = sn[n]; + // trailing zeros + tz = pr - (l - 1); + pr = 0; + // dump expo + tail[1] = h[0xe]; + dp -= 1; + if (dp < 0) { + tail[2] = '-'; + dp = -dp; + } + else + tail[2] = '+'; + #ifdef STB_SPRINTF_MSVC_MODE + n = 5; + #else + n = (dp >= 100) ? 5 : 4; + #endif + tail[0] = (char)n; + for (;;) { + tail[n] = '0' + dp % 10; + if (n <= 3) + break; + --n; + dp /= 10; + } + cs = 1 + (3 << 24); // how many tens + goto flt_lead; + + case 'f': // float + fv = va_arg(va, double); + doafloat: + // do kilos + if (fl & STBSP__METRIC_SUFFIX) { + double divisor; + divisor = 1000.0f; + if (fl & STBSP__METRIC_1024) + divisor = 1024.0; + while (fl < 0x4000000) { + if ((fv < divisor) && (fv > -divisor)) + break; + fv /= divisor; + fl += 0x1000000; + } + } + if (pr == -1) + pr = 6; // default is 6 + // read the double into a string + if (stbsp__real_to_str(&sn, &l, num, &dp, fv, pr)) + fl |= STBSP__NEGATIVE; + dofloatfromg: + tail[0] = 0; + stbsp__lead_sign(fl, lead); + if (dp == STBSP__SPECIAL) { + s = (char *)sn; + cs = 0; + pr = 0; + goto scopy; + } + s = num + 64; + + // handle the three decimal varieties + if (dp <= 0) { + stbsp__int32 i; + // handle 0.000*000xxxx + *s++ = '0'; + if (pr) + *s++ = stbsp__period; + n = -dp; + if ((stbsp__int32)n > pr) + n = pr; + i = n; + while (i) { + if ((((stbsp__uintptr)s) & 3) == 0) + break; + *s++ = '0'; + --i; + } + while (i >= 4) { + *(stbsp__uint32 *)s = 0x30303030; + s += 4; + i -= 4; + } + while (i) { + *s++ = '0'; + --i; + } + if ((stbsp__int32)(l + n) > pr) + l = pr - n; + i = l; + while (i) { + *s++ = *sn++; + --i; + } + tz = pr - (n + l); + cs = 1 + (3 << 24); // how many tens did we write (for commas below) + } + else { + cs = (fl & STBSP__TRIPLET_COMMA) ? ((600 - (stbsp__uint32)dp) % 3) : 0; + if ((stbsp__uint32)dp >= l) { + // handle xxxx000*000.0 + n = 0; + for (;;) { + if ((fl & STBSP__TRIPLET_COMMA) && (++cs == 4)) { + cs = 0; + *s++ = stbsp__comma; + } + else { + *s++ = sn[n]; + ++n; + if (n >= l) + break; + } + } + if (n < (stbsp__uint32)dp) { + n = dp - n; + if ((fl & STBSP__TRIPLET_COMMA) == 0) { + while (n) { + if ((((stbsp__uintptr)s) & 3) == 0) + break; + *s++ = '0'; + --n; + } + while (n >= 4) { + *(stbsp__uint32 *)s = 0x30303030; + s += 4; + n -= 4; + } + } + while (n) { + if ((fl & STBSP__TRIPLET_COMMA) && (++cs == 4)) { + cs = 0; + *s++ = stbsp__comma; + } + else { + *s++ = '0'; + --n; + } + } + } + cs = (int)(s - (num + 64)) + (3 << 24); // cs is how many tens + if (pr) { + *s++ = stbsp__period; + tz = pr; + } + } + else { + // handle xxxxx.xxxx000*000 + n = 0; + for (;;) { + if ((fl & STBSP__TRIPLET_COMMA) && (++cs == 4)) { + cs = 0; + *s++ = stbsp__comma; + } + else { + *s++ = sn[n]; + ++n; + if (n >= (stbsp__uint32)dp) + break; + } + } + cs = (int)(s - (num + 64)) + (3 << 24); // cs is how many tens + if (pr) + *s++ = stbsp__period; + if ((l - dp) > (stbsp__uint32)pr) + l = pr + dp; + while (n < l) { + *s++ = sn[n]; + ++n; + } + tz = pr - (l - dp); + } + } + pr = 0; + + // handle k,m,g,t + if (fl & STBSP__METRIC_SUFFIX) { + char idx; + idx = 1; + if (fl & STBSP__METRIC_NOSPACE) + idx = 0; + tail[0] = idx; + tail[1] = ' '; + { + if (fl >> 24) { // SI kilo is 'k', JEDEC and SI kibits are 'K'. + if (fl & STBSP__METRIC_1024) + tail[idx + 1] = "_KMGT"[fl >> 24]; + else + tail[idx + 1] = "_kMGT"[fl >> 24]; + idx++; + // If printing kibits and not in jedec, add the 'i'. + if (fl & STBSP__METRIC_1024 && !(fl & STBSP__METRIC_JEDEC)) { + tail[idx + 1] = 'i'; + idx++; + } + tail[0] = idx; + } + } + }; + + flt_lead: + // get the length that we copied + l = (stbsp__uint32)(s - (num + 64)); + s = num + 64; + goto scopy; + #endif + + case 'B': // upper binary + case 'b': // lower binary + h = (f[0] == 'B') ? hexu : hex; + lead[0] = 0; + if (fl & STBSP__LEADING_0X) { + lead[0] = 2; + lead[1] = '0'; + lead[2] = h[0xb]; + } + l = (8 << 4) | (1 << 8); + goto radixnum; + + case 'o': // octal + h = hexu; + lead[0] = 0; + if (fl & STBSP__LEADING_0X) { + lead[0] = 1; + lead[1] = '0'; + } + l = (3 << 4) | (3 << 8); + goto radixnum; + + case 'p': // pointer + fl |= (sizeof(void *) == 8) ? STBSP__INTMAX : 0; + pr = sizeof(void *) * 2; + fl &= ~STBSP__LEADINGZERO; // 'p' only prints the pointer with zeros + // fall through - to X + + case 'X': // upper hex + case 'x': // lower hex + h = (f[0] == 'X') ? hexu : hex; + l = (4 << 4) | (4 << 8); + lead[0] = 0; + if (fl & STBSP__LEADING_0X) { + lead[0] = 2; + lead[1] = '0'; + lead[2] = h[16]; + } + radixnum: + // get the number + if (fl & STBSP__INTMAX) + n64 = va_arg(va, stbsp__uint64); + else + n64 = va_arg(va, stbsp__uint32); + + s = num + STBSP__NUMSZ; + dp = 0; + // clear tail, and clear leading if value is zero + tail[0] = 0; + if (n64 == 0) { + lead[0] = 0; + if (pr == 0) { + l = 0; + cs = 0; + goto scopy; + } + } + // convert to string + for (;;) { + *--s = h[n64 & ((1 << (l >> 8)) - 1)]; + n64 >>= (l >> 8); + if (!((n64) || ((stbsp__int32)((num + STBSP__NUMSZ) - s) < pr))) + break; + if (fl & STBSP__TRIPLET_COMMA) { + ++l; + if ((l & 15) == ((l >> 4) & 15)) { + l &= ~15; + *--s = stbsp__comma; + } + } + }; + // get the tens and the comma pos + cs = (stbsp__uint32)((num + STBSP__NUMSZ) - s) + ((((l >> 4) & 15)) << 24); + // get the length that we copied + l = (stbsp__uint32)((num + STBSP__NUMSZ) - s); + // copy it + goto scopy; + + case 'u': // unsigned + case 'i': + case 'd': // integer + // get the integer and abs it + if (fl & STBSP__INTMAX) { + stbsp__int64 i64 = va_arg(va, stbsp__int64); + n64 = (stbsp__uint64)i64; + if ((f[0] != 'u') && (i64 < 0)) { + n64 = (stbsp__uint64)-i64; + fl |= STBSP__NEGATIVE; + } + } + else { + stbsp__int32 i = va_arg(va, stbsp__int32); + n64 = (stbsp__uint32)i; + if ((f[0] != 'u') && (i < 0)) { + n64 = (stbsp__uint32)-i; + fl |= STBSP__NEGATIVE; + } + } + + #ifndef STB_SPRINTF_NOFLOAT + if (fl & STBSP__METRIC_SUFFIX) { + if (n64 < 1024) + pr = 0; + else if (pr == -1) + pr = 1; + fv = (double)(stbsp__int64)n64; + goto doafloat; + } + #endif + + // convert to string + s = num + STBSP__NUMSZ; + l = 0; + + for (;;) { + // do in 32-bit chunks (avoid lots of 64-bit divides even with constant denominators) + char *o = s - 8; + if (n64 >= 100000000) { + n = (stbsp__uint32)(n64 % 100000000); + n64 /= 100000000; + } + else { + n = (stbsp__uint32)n64; + n64 = 0; + } + if ((fl & STBSP__TRIPLET_COMMA) == 0) { + do { + s -= 2; + *(stbsp__uint16 *)s = *(stbsp__uint16 *)&stbsp__digitpair.pair[(n % 100) * 2]; + n /= 100; + } while (n); + } + while (n) { + if ((fl & STBSP__TRIPLET_COMMA) && (l++ == 3)) { + l = 0; + *--s = stbsp__comma; + --o; + } + else { + *--s = (char)(n % 10) + '0'; + n /= 10; + } + } + if (n64 == 0) { + if ((s[0] == '0') && (s != (num + STBSP__NUMSZ))) + ++s; + break; + } + while (s != o) + if ((fl & STBSP__TRIPLET_COMMA) && (l++ == 3)) { + l = 0; + *--s = stbsp__comma; + --o; + } + else { + *--s = '0'; + } + } + + tail[0] = 0; + stbsp__lead_sign(fl, lead); + + // get the length that we copied + l = (stbsp__uint32)((num + STBSP__NUMSZ) - s); + if (l == 0) { + *--s = '0'; + l = 1; + } + cs = l + (3 << 24); + if (pr < 0) + pr = 0; + + scopy: + // get fw=leading/trailing space, pr=leading zeros + if (pr < (stbsp__int32)l) + pr = l; + n = pr + lead[0] + tail[0] + tz; + if (fw < (stbsp__int32)n) + fw = n; + fw -= n; + pr -= l; + + // handle right justify and leading zeros + if ((fl & STBSP__LEFTJUST) == 0) { + if (fl & STBSP__LEADINGZERO) // if leading zeros, everything is in pr + { + pr = (fw > pr) ? fw : pr; + fw = 0; + } + else { + fl &= ~STBSP__TRIPLET_COMMA; // if no leading zeros, then no commas + } + } + + // copy the spaces and/or zeros + if (fw + pr) { + stbsp__int32 i; + stbsp__uint32 c; + + // copy leading spaces (or when doing %8.4d stuff) + if ((fl & STBSP__LEFTJUST) == 0) + while (fw > 0) { + stbsp__cb_buf_clamp(i, fw); + fw -= i; + while (i) { + if ((((stbsp__uintptr)bf) & 3) == 0) + break; + *bf++ = ' '; + --i; + } + while (i >= 4) { + *(stbsp__uint32 *)bf = 0x20202020; + bf += 4; + i -= 4; + } + while (i) { + *bf++ = ' '; + --i; + } + stbsp__chk_cb_buf(1); + } + + // copy leader + sn = lead + 1; + while (lead[0]) { + stbsp__cb_buf_clamp(i, lead[0]); + lead[0] -= (char)i; + while (i) { + *bf++ = *sn++; + --i; + } + stbsp__chk_cb_buf(1); + } + + // copy leading zeros + c = cs >> 24; + cs &= 0xffffff; + cs = (fl & STBSP__TRIPLET_COMMA) ? ((stbsp__uint32)(c - ((pr + cs) % (c + 1)))) : 0; + while (pr > 0) { + stbsp__cb_buf_clamp(i, pr); + pr -= i; + if ((fl & STBSP__TRIPLET_COMMA) == 0) { + while (i) { + if ((((stbsp__uintptr)bf) & 3) == 0) + break; + *bf++ = '0'; + --i; + } + while (i >= 4) { + *(stbsp__uint32 *)bf = 0x30303030; + bf += 4; + i -= 4; + } + } + while (i) { + if ((fl & STBSP__TRIPLET_COMMA) && (cs++ == c)) { + cs = 0; + *bf++ = stbsp__comma; + } + else + *bf++ = '0'; + --i; + } + stbsp__chk_cb_buf(1); + } + } + + // copy leader if there is still one + sn = lead + 1; + while (lead[0]) { + stbsp__int32 i; + stbsp__cb_buf_clamp(i, lead[0]); + lead[0] -= (char)i; + while (i) { + *bf++ = *sn++; + --i; + } + stbsp__chk_cb_buf(1); + } + + // copy the string + n = l; + while (n) { + stbsp__int32 i; + stbsp__cb_buf_clamp(i, n); + n -= i; + STBSP__UNALIGNED(while (i >= 4) { + *(stbsp__uint32 volatile *)bf = *(stbsp__uint32 volatile *)s; + bf += 4; + s += 4; + i -= 4; + }) + while (i) { + *bf++ = *s++; + --i; + } + stbsp__chk_cb_buf(1); + } + + // copy trailing zeros + while (tz) { + stbsp__int32 i; + stbsp__cb_buf_clamp(i, tz); + tz -= i; + while (i) { + if ((((stbsp__uintptr)bf) & 3) == 0) + break; + *bf++ = '0'; + --i; + } + while (i >= 4) { + *(stbsp__uint32 *)bf = 0x30303030; + bf += 4; + i -= 4; + } + while (i) { + *bf++ = '0'; + --i; + } + stbsp__chk_cb_buf(1); + } + + // copy tail if there is one + sn = tail + 1; + while (tail[0]) { + stbsp__int32 i; + stbsp__cb_buf_clamp(i, tail[0]); + tail[0] -= (char)i; + while (i) { + *bf++ = *sn++; + --i; + } + stbsp__chk_cb_buf(1); + } + + // handle the left justify + if (fl & STBSP__LEFTJUST) + if (fw > 0) { + while (fw) { + stbsp__int32 i; + stbsp__cb_buf_clamp(i, fw); + fw -= i; + while (i) { + if ((((stbsp__uintptr)bf) & 3) == 0) + break; + *bf++ = ' '; + --i; + } + while (i >= 4) { + *(stbsp__uint32 *)bf = 0x20202020; + bf += 4; + i -= 4; + } + while (i--) + *bf++ = ' '; + stbsp__chk_cb_buf(1); + } + } + break; + + default: // unknown, just copy code + s = num + STBSP__NUMSZ - 1; + *s = f[0]; + l = 1; + fw = fl = 0; + lead[0] = 0; + tail[0] = 0; + pr = 0; + dp = 0; + cs = 0; + goto scopy; + } + ++f; + } +endfmt: + + if (!callback) + *bf = 0; + else + stbsp__flush_cb(); + +done: + return tlen + (int)(bf - buf); +} + + // cleanup + #undef STBSP__LEFTJUST + #undef STBSP__LEADINGPLUS + #undef STBSP__LEADINGSPACE + #undef STBSP__LEADING_0X + #undef STBSP__LEADINGZERO + #undef STBSP__INTMAX + #undef STBSP__TRIPLET_COMMA + #undef STBSP__NEGATIVE + #undef STBSP__METRIC_SUFFIX + #undef STBSP__NUMSZ + #undef stbsp__chk_cb_bufL + #undef stbsp__chk_cb_buf + #undef stbsp__flush_cb + #undef stbsp__cb_buf_clamp + +// ============================================================================ +// wrapper functions + +STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(sprintf)(char *buf, char const *fmt, ...) { + int result; + va_list va; + va_start(va, fmt); + result = STB_SPRINTF_DECORATE(vsprintfcb)(0, 0, buf, fmt, va); + va_end(va); + return result; +} + +typedef struct stbsp__context { + char *buf; + int count; + int length; + char tmp[STB_SPRINTF_MIN]; +} stbsp__context; + +static char *stbsp__clamp_callback(const char *buf, void *user, int len) { + stbsp__context *c = (stbsp__context *)user; + c->length += len; + + if (len > c->count) + len = c->count; + + if (len) { + if (buf != c->buf) { + const char *s, *se; + char *d; + d = c->buf; + s = buf; + se = buf + len; + do { + *d++ = *s++; + } while (s < se); + } + c->buf += len; + c->count -= len; + } + + if (c->count <= 0) + return c->tmp; + return (c->count >= STB_SPRINTF_MIN) ? c->buf : c->tmp; // go direct into buffer if you can +} + +static char *stbsp__count_clamp_callback(const char *buf, void *user, int len) { + stbsp__context *c = (stbsp__context *)user; + (void)sizeof(buf); + + c->length += len; + return c->tmp; // go direct into buffer if you can +} + +STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(vsnprintf)(char *buf, int count, char const *fmt, va_list va) { + stbsp__context c; + + if ((count == 0) && !buf) { + c.length = 0; + + STB_SPRINTF_DECORATE(vsprintfcb) + (stbsp__count_clamp_callback, &c, c.tmp, fmt, va); + } + else { + int l; + + c.buf = buf; + c.count = count; + c.length = 0; + + STB_SPRINTF_DECORATE(vsprintfcb) + (stbsp__clamp_callback, &c, stbsp__clamp_callback(0, &c, 0), fmt, va); + + // zero-terminate + l = (int)(c.buf - buf); + if (l >= count) // should never be greater, only equal (or less) than count + l = count - 1; + buf[l] = 0; + } + + return c.length; +} + +STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(snprintf)(char *buf, int count, char const *fmt, ...) { + int result; + va_list va; + va_start(va, fmt); + + result = STB_SPRINTF_DECORATE(vsnprintf)(buf, count, fmt, va); + va_end(va); + + return result; +} + +STBSP__PUBLICDEF int STB_SPRINTF_DECORATE(vsprintf)(char *buf, char const *fmt, va_list va) { + return STB_SPRINTF_DECORATE(vsprintfcb)(0, 0, buf, fmt, va); +} + +// ======================================================================= +// low level float utility functions + + #ifndef STB_SPRINTF_NOFLOAT + + // copies d to bits w/ strict aliasing (this compiles to nothing on /Ox) + #define STBSP__COPYFP(dest, src) \ + { \ + int cn; \ + for (cn = 0; cn < 8; cn++) \ + ((char *)&dest)[cn] = ((char *)&src)[cn]; \ + } + +// get float info +static stbsp__int32 stbsp__real_to_parts(stbsp__int64 *bits, stbsp__int32 *expo, double value) { + double d; + stbsp__int64 b = 0; + + // load value and round at the frac_digits + d = value; + + STBSP__COPYFP(b, d); + + *bits = b & ((((stbsp__uint64)1) << 52) - 1); + *expo = (stbsp__int32)(((b >> 52) & 2047) - 1023); + + return (stbsp__int32)((stbsp__uint64)b >> 63); +} + +static double const stbsp__bot[23] = { + 1e+000, 1e+001, 1e+002, 1e+003, 1e+004, 1e+005, 1e+006, 1e+007, 1e+008, 1e+009, 1e+010, 1e+011, + 1e+012, 1e+013, 1e+014, 1e+015, 1e+016, 1e+017, 1e+018, 1e+019, 1e+020, 1e+021, 1e+022}; +static double const stbsp__negbot[22] = { + 1e-001, 1e-002, 1e-003, 1e-004, 1e-005, 1e-006, 1e-007, 1e-008, 1e-009, 1e-010, 1e-011, + 1e-012, 1e-013, 1e-014, 1e-015, 1e-016, 1e-017, 1e-018, 1e-019, 1e-020, 1e-021, 1e-022}; +static double const stbsp__negboterr[22] = { + -5.551115123125783e-018, -2.0816681711721684e-019, -2.0816681711721686e-020, -4.7921736023859299e-021, -8.1803053914031305e-022, 4.5251888174113741e-023, + 4.5251888174113739e-024, -2.0922560830128471e-025, -6.2281591457779853e-026, -3.6432197315497743e-027, 6.0503030718060191e-028, 2.0113352370744385e-029, + -3.0373745563400371e-030, 1.1806906454401013e-032, -7.7705399876661076e-032, 2.0902213275965398e-033, -7.1542424054621921e-034, -7.1542424054621926e-035, + 2.4754073164739869e-036, 5.4846728545790429e-037, 9.2462547772103625e-038, -4.8596774326570872e-039}; +static double const stbsp__top[13] = { + 1e+023, 1e+046, 1e+069, 1e+092, 1e+115, 1e+138, 1e+161, 1e+184, 1e+207, 1e+230, 1e+253, 1e+276, 1e+299}; +static double const stbsp__negtop[13] = { + 1e-023, 1e-046, 1e-069, 1e-092, 1e-115, 1e-138, 1e-161, 1e-184, 1e-207, 1e-230, 1e-253, 1e-276, 1e-299}; +static double const stbsp__toperr[13] = { + 8388608, + 6.8601809640529717e+028, + -7.253143638152921e+052, + -4.3377296974619174e+075, + -1.5559416129466825e+098, + -3.2841562489204913e+121, + -3.7745893248228135e+144, + -1.7356668416969134e+167, + -3.8893577551088374e+190, + -9.9566444326005119e+213, + 6.3641293062232429e+236, + -5.2069140800249813e+259, + -5.2504760255204387e+282}; +static double const stbsp__negtoperr[13] = { + 3.9565301985100693e-040, -2.299904345391321e-063, 3.6506201437945798e-086, 1.1875228833981544e-109, + -5.0644902316928607e-132, -6.7156837247865426e-155, -2.812077463003139e-178, -5.7778912386589953e-201, + 7.4997100559334532e-224, -4.6439668915134491e-247, -6.3691100762962136e-270, -9.436808465446358e-293, + 8.0970921678014997e-317}; + + #if defined(_MSC_VER) && (_MSC_VER <= 1200) +static stbsp__uint64 const stbsp__powten[20] = { + 1, + 10, + 100, + 1000, + 10000, + 100000, + 1000000, + 10000000, + 100000000, + 1000000000, + 10000000000, + 100000000000, + 1000000000000, + 10000000000000, + 100000000000000, + 1000000000000000, + 10000000000000000, + 100000000000000000, + 1000000000000000000, + 10000000000000000000U}; + #define stbsp__tento19th ((stbsp__uint64)1000000000000000000) + #else +static stbsp__uint64 const stbsp__powten[20] = { + 1, + 10, + 100, + 1000, + 10000, + 100000, + 1000000, + 10000000, + 100000000, + 1000000000, + 10000000000ULL, + 100000000000ULL, + 1000000000000ULL, + 10000000000000ULL, + 100000000000000ULL, + 1000000000000000ULL, + 10000000000000000ULL, + 100000000000000000ULL, + 1000000000000000000ULL, + 10000000000000000000ULL}; + #define stbsp__tento19th (1000000000000000000ULL) + #endif + + #define stbsp__ddmulthi(oh, ol, xh, yh) \ + { \ + double ahi = 0, alo, bhi = 0, blo; \ + stbsp__int64 bt; \ + oh = xh * yh; \ + STBSP__COPYFP(bt, xh); \ + bt &= ((~(stbsp__uint64)0) << 27); \ + STBSP__COPYFP(ahi, bt); \ + alo = xh - ahi; \ + STBSP__COPYFP(bt, yh); \ + bt &= ((~(stbsp__uint64)0) << 27); \ + STBSP__COPYFP(bhi, bt); \ + blo = yh - bhi; \ + ol = ((ahi * bhi - oh) + ahi * blo + alo * bhi) + alo * blo; \ + } + + #define stbsp__ddtoS64(ob, xh, xl) \ + { \ + double ahi = 0, alo, vh, t; \ + ob = (stbsp__int64)xh; \ + vh = (double)ob; \ + ahi = (xh - vh); \ + t = (ahi - xh); \ + alo = (xh - (ahi - t)) - (vh + t); \ + ob += (stbsp__int64)(ahi + alo + xl); \ + } + + #define stbsp__ddrenorm(oh, ol) \ + { \ + double s; \ + s = oh + ol; \ + ol = ol - (s - oh); \ + oh = s; \ + } + + #define stbsp__ddmultlo(oh, ol, xh, xl, yh, yl) ol = ol + (xh * yl + xl * yh); + + #define stbsp__ddmultlos(oh, ol, xh, yl) ol = ol + (xh * yl); + +static void stbsp__raise_to_power10(double *ohi, double *olo, double d, stbsp__int32 power) // power can be -323 to +350 +{ + double ph, pl; + if ((power >= 0) && (power <= 22)) { + stbsp__ddmulthi(ph, pl, d, stbsp__bot[power]); + } + else { + stbsp__int32 e, et, eb; + double p2h, p2l; + + e = power; + if (power < 0) + e = -e; + et = (e * 0x2c9) >> 14; /* %23 */ + if (et > 13) + et = 13; + eb = e - (et * 23); + + ph = d; + pl = 0.0; + if (power < 0) { + if (eb) { + --eb; + stbsp__ddmulthi(ph, pl, d, stbsp__negbot[eb]); + stbsp__ddmultlos(ph, pl, d, stbsp__negboterr[eb]); + } + if (et) { + stbsp__ddrenorm(ph, pl); + --et; + stbsp__ddmulthi(p2h, p2l, ph, stbsp__negtop[et]); + stbsp__ddmultlo(p2h, p2l, ph, pl, stbsp__negtop[et], stbsp__negtoperr[et]); + ph = p2h; + pl = p2l; + } + } + else { + if (eb) { + e = eb; + if (eb > 22) + eb = 22; + e -= eb; + stbsp__ddmulthi(ph, pl, d, stbsp__bot[eb]); + if (e) { + stbsp__ddrenorm(ph, pl); + stbsp__ddmulthi(p2h, p2l, ph, stbsp__bot[e]); + stbsp__ddmultlos(p2h, p2l, stbsp__bot[e], pl); + ph = p2h; + pl = p2l; + } + } + if (et) { + stbsp__ddrenorm(ph, pl); + --et; + stbsp__ddmulthi(p2h, p2l, ph, stbsp__top[et]); + stbsp__ddmultlo(p2h, p2l, ph, pl, stbsp__top[et], stbsp__toperr[et]); + ph = p2h; + pl = p2l; + } + } + } + stbsp__ddrenorm(ph, pl); + *ohi = ph; + *olo = pl; +} + +// given a float value, returns the significant bits in bits, and the position of the +// decimal point in decimal_pos. +/-INF and NAN are specified by special values +// returned in the decimal_pos parameter. +// frac_digits is absolute normally, but if you want from first significant digits (got %g and %e), or in 0x80000000 +static stbsp__int32 stbsp__real_to_str(char const **start, stbsp__uint32 *len, char *out, stbsp__int32 *decimal_pos, double value, stbsp__uint32 frac_digits) { + double d; + stbsp__int64 bits = 0; + stbsp__int32 expo, e, ng, tens; + + d = value; + STBSP__COPYFP(bits, d); + expo = (stbsp__int32)((bits >> 52) & 2047); + ng = (stbsp__int32)((stbsp__uint64)bits >> 63); + if (ng) + d = -d; + + if (expo == 2047) // is nan or inf? + { + *start = (bits & ((((stbsp__uint64)1) << 52) - 1)) ? "NaN" : "Inf"; + *decimal_pos = STBSP__SPECIAL; + *len = 3; + return ng; + } + + if (expo == 0) // is zero or denormal + { + if (((stbsp__uint64)bits << 1) == 0) // do zero + { + *decimal_pos = 1; + *start = out; + out[0] = '0'; + *len = 1; + return ng; + } + // find the right expo for denormals + { + stbsp__int64 v = ((stbsp__uint64)1) << 51; + while ((bits & v) == 0) { + --expo; + v >>= 1; + } + } + } + + // find the decimal exponent as well as the decimal bits of the value + { + double ph, pl; + + // log10 estimate - very specifically tweaked to hit or undershoot by no more than 1 of log10 of all expos 1..2046 + tens = expo - 1023; + tens = (tens < 0) ? ((tens * 617) / 2048) : (((tens * 1233) / 4096) + 1); + + // move the significant bits into position and stick them into an int + stbsp__raise_to_power10(&ph, &pl, d, 18 - tens); + + // get full as much precision from double-double as possible + stbsp__ddtoS64(bits, ph, pl); + + // check if we undershot + if (((stbsp__uint64)bits) >= stbsp__tento19th) + ++tens; + } + + // now do the rounding in integer land + frac_digits = (frac_digits & 0x80000000) ? ((frac_digits & 0x7ffffff) + 1) : (tens + frac_digits); + if ((frac_digits < 24)) { + stbsp__uint32 dg = 1; + if ((stbsp__uint64)bits >= stbsp__powten[9]) + dg = 10; + while ((stbsp__uint64)bits >= stbsp__powten[dg]) { + ++dg; + if (dg == 20) + goto noround; + } + if (frac_digits < dg) { + stbsp__uint64 r; + // add 0.5 at the right position and round + e = dg - frac_digits; + if ((stbsp__uint32)e >= 24) + goto noround; + r = stbsp__powten[e]; + bits = bits + (r / 2); + if ((stbsp__uint64)bits >= stbsp__powten[dg]) + ++tens; + bits /= r; + } + noround:; + } + + // kill long trailing runs of zeros + if (bits) { + stbsp__uint32 n; + for (;;) { + if (bits <= 0xffffffff) + break; + if (bits % 1000) + goto donez; + bits /= 1000; + } + n = (stbsp__uint32)bits; + while ((n % 1000) == 0) + n /= 1000; + bits = n; + donez:; + } + + // convert to string + out += 64; + e = 0; + for (;;) { + stbsp__uint32 n; + char *o = out - 8; + // do the conversion in chunks of U32s (avoid most 64-bit divides, worth it, constant denomiators be damned) + if (bits >= 100000000) { + n = (stbsp__uint32)(bits % 100000000); + bits /= 100000000; + } + else { + n = (stbsp__uint32)bits; + bits = 0; + } + while (n) { + out -= 2; + *(stbsp__uint16 *)out = *(stbsp__uint16 *)&stbsp__digitpair.pair[(n % 100) * 2]; + n /= 100; + e += 2; + } + if (bits == 0) { + if ((e) && (out[0] == '0')) { + ++out; + --e; + } + break; + } + while (out != o) { + *--out = '0'; + ++e; + } + } + + *decimal_pos = tens; + *start = out; + *len = e; + return ng; +} + + #undef stbsp__ddmulthi + #undef stbsp__ddrenorm + #undef stbsp__ddmultlo + #undef stbsp__ddmultlos + #undef STBSP__SPECIAL + #undef STBSP__COPYFP + + #endif // STB_SPRINTF_NOFLOAT + + // clean up + #undef stbsp__uint16 + #undef stbsp__uint32 + #undef stbsp__int32 + #undef stbsp__uint64 + #undef stbsp__int64 + #undef STBSP__UNALIGNED + +#endif // STB_SPRINTF_IMPLEMENTATION + +/* +------------------------------------------------------------------------------ +This software is available under 2 licenses -- choose whichever you prefer. +------------------------------------------------------------------------------ +ALTERNATIVE A - MIT License +Copyright (c) 2017 Sean Barrett +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +------------------------------------------------------------------------------ +ALTERNATIVE B - Public Domain (www.unlicense.org) +This is free and unencumbered software released into the public domain. +Anyone is free to copy, modify, publish, use, compile, sell, or distribute this +software, either in source code form or as a compiled binary, for any purpose, +commercial or non-commercial, and by any means. +In jurisdictions that recognize copyright laws, the author or authors of this +software dedicate any and all copyright interest in the software to the public +domain. We make this dedication for the benefit of the public at large and to +the detriment of our heirs and successors. We intend this dedication to be an +overt act of relinquishment in perpetuity of all present and future rights to +this software under copyright law. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +------------------------------------------------------------------------------ +*/ diff --git a/src/core/string.h b/src/core/string.h new file mode 100755 index 0000000..d4c603a --- /dev/null +++ b/src/core/string.h @@ -0,0 +1,581 @@ +#ifndef S8_HEADER +#define S8_HEADER +#include +#include + +// Preprocessor Input: ALLOCATOR_TYPE + +#ifndef S8_FN + #if defined(__GNUC__) || defined(__clang__) + #define S8_FN __attribute__((unused)) static + #else + #define S8_FN static + #endif +#endif + +#ifndef S8_API + #ifdef __cplusplus + #define S8_API extern "C" + #else + #define S8_API + #endif +#endif + +#ifndef S8_Allocator + #define S8_Allocator void +#endif + +typedef struct S8_String S8_String; +typedef struct S8_Node S8_Node; +typedef struct S8_List S8_List; + +struct S8_String { + char *str; + int64_t len; +}; + +struct S8_Node { + S8_Node *next; + S8_String string; +}; + +struct S8_List { + int64_t node_count; + int64_t char_count; + S8_Node *first; + S8_Node *last; +}; + +enum { + S8_NO_FLAGS = 0, + S8_IGNORE_CASE = 1, + S8_SPLIT_INCLUSIVE = 4, + S8_MATCH_FIND_LAST = 32, +}; + +#define S8_Lit(string) S8_Make((char *)string, sizeof(string) - 1) +#define S8_ConstLit(string) \ + { string, sizeof(string) - 1 } +#define S8_Expand(string) (int)(string).len, (string).str + +#define S8_FORMAT(allocator, str, result) \ + va_list args1; \ + va_start(args1, str); \ + S8_String result = S8_FormatV(allocator, str, args1); \ + va_end(args1) + +#define S8_For(it, x) for (S8_Node *it = (x).first; it; it = it->next) + +#if defined(__cplusplus) +S8_API bool S8_AreEqual(S8_String a, S8_String b, unsigned ignore_case); +inline bool operator==(S8_String a, S8_String b) { return S8_AreEqual(a, b, false); } +inline S8_String operator""_s(const char *str, size_t size) { return {(char *)str, (int64_t)size}; } +#endif + +S8_API char CHAR_ToLowerCase(char a); +S8_API char CHAR_ToUpperCase(char a); +S8_API bool CHAR_IsWhitespace(char w); +S8_API bool CHAR_IsAlphabetic(char a); +S8_API bool CHAR_IsDigit(char a); +S8_API bool CHAR_IsAlphanumeric(char a); +S8_API bool S8_AreEqual(S8_String a, S8_String b, unsigned ignore_case); +S8_API bool S8_EndsWith(S8_String a, S8_String end, unsigned ignore_case); +S8_API bool S8_StartsWith(S8_String a, S8_String start, unsigned ignore_case); +S8_API S8_String S8_Make(char *str, int64_t len); +S8_API S8_String S8_Copy(S8_Allocator allocator, S8_String string); +S8_API void S8_NormalizePath(S8_String s); +S8_API S8_String S8_Chop(S8_String string, int64_t len); +S8_API S8_String S8_Skip(S8_String string, int64_t len); +S8_API S8_String S8_GetPostfix(S8_String string, int64_t len); +S8_API S8_String S8_GetPrefix(S8_String string, int64_t len); +S8_API S8_String S8_Slice(S8_String string, int64_t first_index, int64_t one_past_last_index); +S8_API S8_String S8_Trim(S8_String string); +S8_API S8_String S8_TrimEnd(S8_String string); +S8_API S8_String S8_ToLowerCase(S8_Allocator allocator, S8_String s); +S8_API S8_String S8_ToUpperCase(S8_Allocator allocator, S8_String s); +S8_API bool S8_Find(S8_String string, S8_String find, unsigned flags, int64_t *index_out); +S8_API S8_List S8_Split(S8_Allocator allocator, S8_String string, S8_String find, unsigned flags); +S8_API S8_String S8_MergeWithSeparator(S8_Allocator allocator, S8_List list, S8_String separator); +S8_API S8_String S8_Merge(S8_Allocator allocator, S8_List list); +S8_API S8_String S8_ReplaceAll(S8_Allocator allocator, S8_String string, S8_String replace, S8_String with, unsigned flags); +S8_API S8_List S8_FindAll(S8_Allocator allocator, S8_String string, S8_String find, unsigned flags); +S8_API S8_String S8_ChopLastSlash(S8_String s); +S8_API S8_String S8_ChopLastPeriod(S8_String s); +S8_API S8_String S8_SkipToLastSlash(S8_String s); +S8_API S8_String S8_SkipToLastPeriod(S8_String s); +S8_API int64_t S8_Length(char *string); +S8_API int64_t S8_WideLength(wchar_t *string); +S8_API S8_String S8_MakeFromChar(char *string); +S8_API S8_String S8_MakeEmpty(void); +S8_API S8_List S8_MakeEmptyList(void); +S8_API S8_String S8_FormatV(S8_Allocator allocator, const char *str, va_list args1); +S8_API S8_String S8_Format(S8_Allocator allocator, const char *str, ...); +S8_API S8_Node *S8_CreateNode(S8_Allocator allocator, S8_String string); +S8_API void S8_ReplaceNodeString(S8_List *list, S8_Node *node, S8_String new_string); +S8_API void S8_AddExistingNode(S8_List *list, S8_Node *node); +S8_API void S8_AddArray(S8_Allocator allocator, S8_List *list, char **array, int count); +S8_API void S8_AddArrayWithPrefix(S8_Allocator allocator, S8_List *list, char *prefix, char **array, int count); +S8_API S8_List S8_MakeList(S8_Allocator allocator, S8_String a); +S8_API S8_List S8_CopyList(S8_Allocator allocator, S8_List a); +S8_API S8_List S8_ConcatLists(S8_Allocator allocator, S8_List a, S8_List b); +S8_API S8_Node *S8_AddNode(S8_Allocator allocator, S8_List *list, S8_String string); +S8_API S8_String S8_AddF(S8_Allocator allocator, S8_List *list, const char *str, ...); + +#endif // S8_HEADER +#ifdef S8_IMPLEMENTATION +#include + +#ifndef S8_VSNPRINTF + #include + #define S8_VSNPRINTF vsnprintf +#endif + +#ifndef S8_ALLOCATE + #include + #define S8_ALLOCATE(allocator, size) malloc(size) +#endif + +#ifndef S8_ASSERT + #include + #define S8_ASSERT(x) assert(x) +#endif + +#ifndef S8_MemoryCopy + #include + #define S8_MemoryCopy(dst, src, s) memcpy(dst, src, s) +#endif + +S8_FN int64_t S8__ClampTop(int64_t val, int64_t max) { + if (val > max) val = max; + return val; +} + +S8_API char CHAR_ToLowerCase(char a) { + if (a >= 'A' && a <= 'Z') a += 32; + return a; +} + +S8_API char CHAR_ToUpperCase(char a) { + if (a >= 'a' && a <= 'z') a -= 32; + return a; +} + +S8_API bool CHAR_IsWhitespace(char w) { + bool result = w == '\n' || w == ' ' || w == '\t' || w == '\v' || w == '\r'; + return result; +} + +S8_API bool CHAR_IsAlphabetic(char a) { + bool result = (a >= 'a' && a <= 'z') || (a >= 'A' && a <= 'Z'); + return result; +} + +S8_API bool CHAR_IsDigit(char a) { + bool result = a >= '0' && a <= '9'; + return result; +} + +S8_API bool CHAR_IsAlphanumeric(char a) { + bool result = CHAR_IsDigit(a) || CHAR_IsAlphabetic(a); + return result; +} + +S8_API bool S8_AreEqual(S8_String a, S8_String b, unsigned ignore_case) { + if (a.len != b.len) return false; + for (int64_t i = 0; i < a.len; i++) { + char A = a.str[i]; + char B = b.str[i]; + if (ignore_case & S8_IGNORE_CASE) { + A = CHAR_ToLowerCase(A); + B = CHAR_ToLowerCase(B); + } + if (A != B) + return false; + } + return true; +} + +S8_API bool S8_EndsWith(S8_String a, S8_String end, unsigned ignore_case) { + S8_String a_end = S8_GetPostfix(a, end.len); + bool result = S8_AreEqual(end, a_end, ignore_case); + return result; +} + +S8_API bool S8_StartsWith(S8_String a, S8_String start, unsigned ignore_case) { + S8_String a_start = S8_GetPrefix(a, start.len); + bool result = S8_AreEqual(start, a_start, ignore_case); + return result; +} + +S8_API S8_String S8_Make(char *str, int64_t len) { + S8_String result; + result.str = (char *)str; + result.len = len; + return result; +} + +S8_API S8_String S8_Copy(S8_Allocator allocator, S8_String string) { + char *copy = (char *)S8_ALLOCATE(allocator, sizeof(char) * (string.len + 1)); + S8_MemoryCopy(copy, string.str, string.len); + copy[string.len] = 0; + S8_String result = S8_Make(copy, string.len); + return result; +} + +S8_API void S8_NormalizePath(S8_String s) { + for (int64_t i = 0; i < s.len; i++) { + if (s.str[i] == '\\') + s.str[i] = '/'; + } +} + +S8_API S8_String S8_Chop(S8_String string, int64_t len) { + len = S8__ClampTop(len, string.len); + S8_String result = S8_Make(string.str, string.len - len); + return result; +} + +S8_API S8_String S8_Skip(S8_String string, int64_t len) { + len = S8__ClampTop(len, string.len); + int64_t remain = string.len - len; + S8_String result = S8_Make(string.str + len, remain); + return result; +} + +S8_API S8_String S8_GetPostfix(S8_String string, int64_t len) { + len = S8__ClampTop(len, string.len); + int64_t remain_len = string.len - len; + S8_String result = S8_Make(string.str + remain_len, len); + return result; +} + +S8_API S8_String S8_GetPrefix(S8_String string, int64_t len) { + len = S8__ClampTop(len, string.len); + S8_String result = S8_Make(string.str, len); + return result; +} + +S8_API S8_String S8_Slice(S8_String string, int64_t first_index, int64_t one_past_last_index) { + if (one_past_last_index < 0) one_past_last_index = string.len + one_past_last_index + 1; + if (first_index < 0) first_index = string.len + first_index; + S8_ASSERT(first_index < one_past_last_index && "S8_Slice, first_index is bigger then one_past_last_index"); + S8_ASSERT(string.len > 0 && "Slicing string of length 0! Might be an error!"); + S8_String result = string; + if (string.len > 0) { + if (one_past_last_index > first_index) { + first_index = S8__ClampTop(first_index, string.len - 1); + one_past_last_index = S8__ClampTop(one_past_last_index, string.len); + result.str += first_index; + result.len = one_past_last_index - first_index; + } + else { + result.len = 0; + } + } + return result; +} + +S8_API S8_String S8_Trim(S8_String string) { + if (string.len == 0) + return string; + + int64_t whitespace_begin = 0; + for (; whitespace_begin < string.len; whitespace_begin++) { + if (!CHAR_IsWhitespace(string.str[whitespace_begin])) { + break; + } + } + + int64_t whitespace_end = string.len; + for (; whitespace_end != whitespace_begin; whitespace_end--) { + if (!CHAR_IsWhitespace(string.str[whitespace_end - 1])) { + break; + } + } + + if (whitespace_begin == whitespace_end) { + string.len = 0; + } + else { + string = S8_Slice(string, whitespace_begin, whitespace_end); + } + + return string; +} + +S8_API S8_String S8_TrimEnd(S8_String string) { + int64_t whitespace_end = string.len; + for (; whitespace_end != 0; whitespace_end--) { + if (!CHAR_IsWhitespace(string.str[whitespace_end - 1])) { + break; + } + } + + S8_String result = S8_GetPrefix(string, whitespace_end); + return result; +} + +S8_API S8_String S8_ToLowerCase(S8_Allocator allocator, S8_String s) { + S8_String copy = S8_Copy(allocator, s); + for (int64_t i = 0; i < copy.len; i++) { + copy.str[i] = CHAR_ToLowerCase(copy.str[i]); + } + return copy; +} + +S8_API S8_String S8_ToUpperCase(S8_Allocator allocator, S8_String s) { + S8_String copy = S8_Copy(allocator, s); + for (int64_t i = 0; i < copy.len; i++) { + copy.str[i] = CHAR_ToUpperCase(copy.str[i]); + } + return copy; +} + +S8_API bool S8_Find(S8_String string, S8_String find, unsigned flags, int64_t *index_out) { + bool result = false; + if (flags & S8_MATCH_FIND_LAST) { + for (int64_t i = string.len; i != 0; i--) { + int64_t index = i - 1; + S8_String substring = S8_Slice(string, index, index + find.len); + if (S8_AreEqual(substring, find, flags)) { + if (index_out) + *index_out = index; + result = true; + break; + } + } + } + else { + for (int64_t i = 0; i < string.len; i++) { + S8_String substring = S8_Slice(string, i, i + find.len); + if (S8_AreEqual(substring, find, flags)) { + if (index_out) + *index_out = i; + result = true; + break; + } + } + } + + return result; +} + +S8_API S8_List S8_Split(S8_Allocator allocator, S8_String string, S8_String find, unsigned flags) { + S8_ASSERT((flags & S8_MATCH_FIND_LAST) == 0); + S8_List result = S8_MakeEmptyList(); + int64_t index = 0; + while (S8_Find(string, find, flags, &index)) { + S8_String before_match = S8_Make(string.str, index); + S8_AddNode(allocator, &result, before_match); + if (flags & S8_SPLIT_INCLUSIVE) { + S8_String match = S8_Make(string.str + index, find.len); + S8_AddNode(allocator, &result, match); + } + string = S8_Skip(string, index + find.len); + } + S8_AddNode(allocator, &result, string); + return result; +} + +S8_API S8_String S8_MergeWithSeparator(S8_Allocator allocator, S8_List list, S8_String separator) { + if (list.node_count == 0) return S8_MakeEmpty(); + if (list.char_count == 0) return S8_MakeEmpty(); + // S8_ASSERT((flags & S8_MATCH_FIND_LAST) == 0); + int64_t base_size = (list.char_count + 1); + int64_t sep_size = (list.node_count - 1) * separator.len; + int64_t size = base_size + sep_size; + char *buff = (char *)S8_ALLOCATE(allocator, sizeof(char) * size); + S8_String string = S8_Make(buff, 0); + for (S8_Node *it = list.first; it; it = it->next) { + S8_ASSERT(string.len + it->string.len <= size); + S8_MemoryCopy(string.str + string.len, it->string.str, it->string.len); + string.len += it->string.len; + if (it != list.last) { + S8_MemoryCopy(string.str + string.len, separator.str, separator.len); + string.len += separator.len; + } + } + S8_ASSERT(string.len == size - 1); + string.str[size] = 0; + return string; +} + +S8_API S8_String S8_Merge(S8_Allocator allocator, S8_List list) { + return S8_MergeWithSeparator(allocator, list, S8_Lit("")); +} + +S8_API S8_String S8_ReplaceAll(S8_Allocator allocator, S8_String string, S8_String replace, S8_String with, unsigned flags) { + S8_ASSERT((flags & S8_MATCH_FIND_LAST) == 0); + S8_List list = S8_Split(allocator, string, replace, flags | S8_SPLIT_INCLUSIVE); + for (S8_Node *it = list.first; it; it = it->next) { + if (S8_AreEqual(it->string, replace, flags)) { + S8_ReplaceNodeString(&list, it, with); + } + } + S8_String result = S8_Merge(allocator, list); + return result; +} + +S8_API S8_List S8_FindAll(S8_Allocator allocator, S8_String string, S8_String find, unsigned flags) { // @untested + S8_ASSERT((flags & S8_MATCH_FIND_LAST) == 0); + S8_List result = S8_MakeEmptyList(); + int64_t index = 0; + while (S8_Find(string, find, flags, &index)) { + S8_String match = S8_Make(string.str + index, find.len); + S8_AddNode(allocator, &result, match); + string = S8_Skip(string, index + find.len); + } + return result; +} + +S8_API S8_String S8_ChopLastSlash(S8_String s) { + S8_String result = s; + S8_Find(s, S8_Lit("/"), S8_MATCH_FIND_LAST, &result.len); + return result; +} + +S8_API S8_String S8_ChopLastPeriod(S8_String s) { + S8_String result = s; + S8_Find(s, S8_Lit("."), S8_MATCH_FIND_LAST, &result.len); + return result; +} + +S8_API S8_String S8_SkipToLastSlash(S8_String s) { + int64_t pos; + S8_String result = s; + if (S8_Find(s, S8_Lit("/"), S8_MATCH_FIND_LAST, &pos)) { + result = S8_Skip(result, pos + 1); + } + return result; +} + +S8_API S8_String S8_SkipToLastPeriod(S8_String s) { + int64_t pos; + S8_String result = s; + if (S8_Find(s, S8_Lit("."), S8_MATCH_FIND_LAST, &pos)) { + result = S8_Skip(result, pos + 1); + } + return result; +} + +S8_API int64_t S8_Length(char *string) { + int64_t len = 0; + while (*string++ != 0) + len++; + return len; +} + +S8_API int64_t S8_WideLength(wchar_t *string) { + int64_t len = 0; + while (*string++ != 0) + len++; + return len; +} + +S8_API S8_String S8_MakeFromChar(char *string) { + S8_String result; + result.str = (char *)string; + result.len = S8_Length(string); + return result; +} + +S8_API S8_String S8_MakeEmpty(void) { + return S8_Make(0, 0); +} + +S8_API S8_List S8_MakeEmptyList(void) { + S8_List result; + result.first = 0; + result.last = 0; + result.char_count = 0; + result.node_count = 0; + return result; +} + +S8_API S8_String S8_FormatV(S8_Allocator allocator, const char *str, va_list args1) { + va_list args2; + va_copy(args2, args1); + int64_t len = S8_VSNPRINTF(0, 0, str, args2); + va_end(args2); + + char *result = (char *)S8_ALLOCATE(allocator, sizeof(char) * (len + 1)); + S8_VSNPRINTF(result, (int)(len + 1), str, args1); + S8_String res = S8_Make(result, len); + return res; +} + +S8_API S8_String S8_Format(S8_Allocator allocator, const char *str, ...) { + S8_FORMAT(allocator, str, result); + return result; +} + +S8_API S8_Node *S8_CreateNode(S8_Allocator allocator, S8_String string) { + S8_Node *result = (S8_Node *)S8_ALLOCATE(allocator, sizeof(S8_Node)); + result->string = string; + result->next = 0; + return result; +} + +S8_API void S8_ReplaceNodeString(S8_List *list, S8_Node *node, S8_String new_string) { + list->char_count -= node->string.len; + list->char_count += new_string.len; + node->string = new_string; +} + +S8_API void S8_AddExistingNode(S8_List *list, S8_Node *node) { + if (list->first) { + list->last->next = node; + list->last = list->last->next; + } + else { + list->first = list->last = node; + } + list->node_count += 1; + list->char_count += node->string.len; +} + +S8_API void S8_AddArray(S8_Allocator allocator, S8_List *list, char **array, int count) { + for (int i = 0; i < count; i += 1) { + S8_String s = S8_MakeFromChar(array[i]); + S8_AddNode(allocator, list, s); + } +} + +S8_API void S8_AddArrayWithPrefix(S8_Allocator allocator, S8_List *list, char *prefix, char **array, int count) { + for (int i = 0; i < count; i += 1) { + S8_AddF(allocator, list, "%s%s", prefix, array[i]); + } +} + +S8_API S8_List S8_MakeList(S8_Allocator allocator, S8_String a) { + S8_List result = S8_MakeEmptyList(); + S8_AddNode(allocator, &result, a); + return result; +} + +S8_API S8_List S8_CopyList(S8_Allocator allocator, S8_List a) { + S8_List result = S8_MakeEmptyList(); + for (S8_Node *it = a.first; it; it = it->next) S8_AddNode(allocator, &result, it->string); + return result; +} + +S8_API S8_List S8_ConcatLists(S8_Allocator allocator, S8_List a, S8_List b) { + S8_List result = S8_MakeEmptyList(); + for (S8_Node *it = a.first; it; it = it->next) S8_AddNode(allocator, &result, it->string); + for (S8_Node *it = b.first; it; it = it->next) S8_AddNode(allocator, &result, it->string); + return result; +} + +S8_API S8_Node *S8_AddNode(S8_Allocator allocator, S8_List *list, S8_String string) { + S8_Node *node = S8_CreateNode(allocator, string); + S8_AddExistingNode(list, node); + return node; +} + +S8_API S8_String S8_AddF(S8_Allocator allocator, S8_List *list, const char *str, ...) { + S8_FORMAT(allocator, str, result); + S8_AddNode(allocator, list, result); + return result; +} + +#endif // S8_IMPLEMENTATION diff --git a/src/core/table.hpp b/src/core/table.hpp new file mode 100755 index 0000000..cf292a7 --- /dev/null +++ b/src/core/table.hpp @@ -0,0 +1,209 @@ +#include +/* + Hash table implementation: + Pointers to values + Open adressing + Linear Probing + Power of 2 + Robin Hood hashing + Resizes on high probe count (min max load factor) + + Hash 0 is reserved for empty hash table entry +*/ + +// #define TABLE_ALLOCATOR_TYPE Allocator + +#ifndef TABLE_PRIVATE_FUNCTION + #if defined(__GNUC__) || defined(__clang__) + #define TABLE_PRIVATE_FUNCTION __attribute__((unused)) static + #else + #define TABLE_PRIVATE_FUNCTION static + #endif +#endif + +#ifndef TABLE_ALLOCATE + #include + #define TABLE_ALLOCATE(allocator, size) malloc(size) +#endif + +#ifndef TABLE_DEALLOCATE + #include + #define TABLE_DEALLOCATE(allocator, p) free(p) +#endif + +#ifndef TABLE_ASSERT + #include + #define TABLE_ASSERT(x) assert(x) +#endif + +#ifndef TABLE_SET_DEFAULT_ALLOCATOR + #define TABLE_SET_DEFAULT_ALLOCATOR +// Example: +// #define TABLE_SET_DEFAULT_ALLOCATOR if (!allocator) allocator = global_heap; +#endif + +#ifndef TABLE_HASH_BYTES + #define TABLE_HASH_BYTES TABLE__HashBytes +TABLE_PRIVATE_FUNCTION uint64_t TABLE__HashBytes(void *data, unsigned size) { + uint8_t *data8 = (uint8_t *)data; + uint64_t hash = (uint64_t)14695981039346656037ULL; + for (unsigned i = 0; i < size; i++) { + hash = hash ^ (uint64_t)(data8[i]); + hash = hash * (uint64_t)1099511628211ULL; + } + return hash; +} +#endif + +#define TABLE__WRAP_AROUND_POWER_OF_2(x, pow2) (((x) & ((pow2)-1llu))) + +template +struct Table { + struct Entry { + uint64_t hash; + uint64_t key; + size_t distance; + Value value; + }; + + inline bool is_empty(Entry *entry) { return entry->hash == 0; } + inline bool is_occupied(Entry *entry) { return entry->hash != 0; } + + void reserve(size_t size) { + TABLE_ASSERT(size > cap && "New size is smaller then original size"); + TABLE_SET_DEFAULT_ALLOCATOR; + + Entry *old_values = values; + size_t old_cap = cap; + + values = (Entry *)TABLE_ALLOCATE(allocator, sizeof(Entry) * size); + cap = size; + + TABLE_ASSERT(!(old_values == 0 && len != 0)); + if (len == 0) { + if (old_values) TABLE_DEALLOCATE(allocator, old_values); + return; + } + + len = 0; + for (size_t i = 0; i < old_cap; i += 1) { + Entry *it = old_values + i; + if (is_occupied(it)) { + insert(it->key, it->value); + } + } + TABLE_DEALLOCATE(allocator, old_values); + } + + Entry *get_table_entry(uint64_t key) { + uint64_t hash = TABLE_HASH_BYTES(&key, sizeof(key)); + if (hash == 0) hash += 1; + uint64_t index = TABLE__WRAP_AROUND_POWER_OF_2(hash, cap); + uint64_t i = index; + uint64_t distance = 0; + for (;;) { + Entry *it = values + i; + if (distance > it->distance) { + return 0; + } + + if (it->hash == hash && it->key == key) { + return it; + } + + distance += 1; + i = TABLE__WRAP_AROUND_POWER_OF_2(i + 1, cap); + if (i == index) return 0; + } + TABLE_ASSERT(!"Invalid codepath"); + } + + // load factor calculation was rearranged + // to get rid of division: + //> 100 * len / cap = load_factor + //> len * 100 = load_factor * cap + inline bool reached_load_factor(size_t lfactor) { + return (len + 1) * 100 >= lfactor * cap; + } + + void insert(uint64_t key, const Value &value) { + if (reached_load_factor(max_load_factor)) { + if (cap == 0) cap = 16; // 32 cause cap*2 + reserve(cap * 2); + } + + uint64_t hash = TABLE_HASH_BYTES(&key, sizeof(key)); + if (hash == 0) hash += 1; + uint64_t index = TABLE__WRAP_AROUND_POWER_OF_2(hash, cap); + uint64_t i = index; + Entry to_insert = {hash, key, 0, value}; + for (;;) { + Entry *it = values + i; + if (is_empty(it)) { + *it = to_insert; + len += 1; + // If we have more then 8 consecutive items we try to resize + if (to_insert.distance > 8 && reached_load_factor(min_load_factor)) { + reserve(cap * 2); + } + return; + } + if (it->hash == hash && it->key == key) { + *it = to_insert; + // If we have more then 8 consecutive items we try to resize + if (to_insert.distance > 8 && reached_load_factor(min_load_factor)) { + reserve(cap * 2); + } + return; + } + + // Robin hood hashing + if (to_insert.distance > it->distance) { + Entry temp = to_insert; + to_insert = *it; + *it = temp; + } + + to_insert.distance += 1; + i = TABLE__WRAP_AROUND_POWER_OF_2(i + 1, cap); + TABLE_ASSERT(i != index && "Did a full 360 through a hash table, no good :( that shouldnt be possible"); + } + TABLE_ASSERT(!"Invalid codepath"); + } + + void remove(uint64_t key) { + Entry *entry = get_table_entry(key); + entry->hash = 0; + entry->distance = 0; + } + + Value *get(uint64_t key) { + Entry *v = get_table_entry(key); + if (!v) return 0; + return &v->value; + } + + void reset() { + len = 0; + for (size_t i = 0; i < cap; i += 1) { + Entry *it = values + i; + it->hash = 0; + } + } + + void dealloc() { + COR_DEALLOCATE(allocator, values); + len = 0; + cap = 0; + values = 0; + } + static const size_t max_load_factor = 80; + static const size_t min_load_factor = 50; + static const size_t significant_distance = 8; + + size_t len, cap; + Entry *values; +#ifdef TABLE_ALLOCATOR_TYPE + TABLE_ALLOCATOR_TYPE *allocator; +#endif +}; \ No newline at end of file diff --git a/src/core/unicode.h b/src/core/unicode.h new file mode 100755 index 0000000..1cc5b03 --- /dev/null +++ b/src/core/unicode.h @@ -0,0 +1,278 @@ +#ifndef UTF_HEADER +#define UTF_HEADER +#include +typedef struct UTF32_Result UTF32_Result; +typedef struct UTF8_Result UTF8_Result; +typedef struct UTF16_Result UTF16_Result; +typedef struct UTF8_Iter UTF8_Iter; + +#ifndef UTF_FN + #if defined(__GNUC__) || defined(__clang__) + #define UTF_FN __attribute__((unused)) static + #else + #define UTF_FN static + #endif +#endif + +#ifndef UTF_API + #ifdef __cplusplus + #define UTF_API extern "C" + #else + #define UTF_API + #endif +#endif + +struct UTF32_Result { + uint32_t out_str; + int advance; + int error; +}; + +struct UTF8_Result { + uint8_t out_str[4]; + int len; + int error; +}; + +struct UTF16_Result { + uint16_t out_str[2]; + int len; + int error; +}; + +struct UTF8_Iter { + char *str; + int len; + int utf8_codepoint_byte_size; + int i; + uint32_t item; +}; + +UTF_API UTF32_Result UTF_ConvertUTF16ToUTF32(uint16_t *c, int max_advance); +UTF_API UTF8_Result UTF_ConvertUTF32ToUTF8(uint32_t codepoint); +UTF_API UTF32_Result UTF_ConvertUTF8ToUTF32(char *c, int max_advance); +UTF_API UTF16_Result UTF_ConvertUTF32ToUTF16(uint32_t codepoint); +UTF_API int64_t UTF_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wchar_t *in, int64_t inlen); +UTF_API int64_t UTF_CreateWidecharFromChar(wchar_t *buffer, int64_t buffer_size, char *in, int64_t inlen); +UTF_API void UTF8_Advance(UTF8_Iter *iter); +UTF_API UTF8_Iter UTF8_IterateEx(char *str, int len); +UTF_API UTF8_Iter UTF8_Iterate(char *str); + +#endif // UTF_HEADER +#ifdef UTF_IMPLEMENTATION + +UTF_FN int UTF__StringLength(char *string) { + int len = 0; + while (*string++ != 0) + len++; + return len; +} + +UTF_FN void UTF__MemoryZero(void *p, size_t size) { + uint8_t *p8 = (uint8_t *)p; + while (size--) *p8++ = 0; +} + +UTF_API UTF32_Result UTF_ConvertUTF16ToUTF32(uint16_t *c, int max_advance) { + UTF32_Result result; + UTF__MemoryZero(&result, sizeof(result)); + if (max_advance >= 1) { + result.advance = 1; + result.out_str = c[0]; + if (c[0] >= 0xD800 && c[0] <= 0xDBFF && c[1] >= 0xDC00 && c[1] <= 0xDFFF) { + if (max_advance >= 2) { + result.out_str = 0x10000; + result.out_str += (uint32_t)(c[0] & 0x03FF) << 10u | (c[1] & 0x03FF); + result.advance = 2; + } + else + result.error = 2; + } + } + else { + result.error = 1; + } + return result; +} + +UTF_API UTF8_Result UTF_ConvertUTF32ToUTF8(uint32_t codepoint) { + UTF8_Result result; + UTF__MemoryZero(&result, sizeof(result)); + + if (codepoint <= 0x7F) { + result.len = 1; + result.out_str[0] = (char)codepoint; + } + else if (codepoint <= 0x7FF) { + result.len = 2; + result.out_str[0] = 0xc0 | (0x1f & (codepoint >> 6)); + result.out_str[1] = 0x80 | (0x3f & codepoint); + } + else if (codepoint <= 0xFFFF) { // 16 bit word + result.len = 3; + result.out_str[0] = 0xe0 | (0xf & (codepoint >> 12)); // 4 bits + result.out_str[1] = 0x80 | (0x3f & (codepoint >> 6)); // 6 bits + result.out_str[2] = 0x80 | (0x3f & codepoint); // 6 bits + } + else if (codepoint <= 0x10FFFF) { // 21 bit word + result.len = 4; + result.out_str[0] = 0xf0 | (0x7 & (codepoint >> 18)); // 3 bits + result.out_str[1] = 0x80 | (0x3f & (codepoint >> 12)); // 6 bits + result.out_str[2] = 0x80 | (0x3f & (codepoint >> 6)); // 6 bits + result.out_str[3] = 0x80 | (0x3f & codepoint); // 6 bits + } + else { + result.error = 1; + } + + return result; +} + +UTF_API UTF32_Result UTF_ConvertUTF8ToUTF32(char *c, int max_advance) { + UTF32_Result result; + UTF__MemoryZero(&result, sizeof(result)); + + if ((c[0] & 0x80) == 0) { // Check if leftmost zero of first byte is unset + if (max_advance >= 1) { + result.out_str = c[0]; + result.advance = 1; + } + else result.error = 1; + } + + else if ((c[0] & 0xe0) == 0xc0) { + if ((c[1] & 0xc0) == 0x80) { // Continuation byte required + if (max_advance >= 2) { + result.out_str = (uint32_t)(c[0] & 0x1f) << 6u | (c[1] & 0x3f); + result.advance = 2; + } + else result.error = 2; + } + else result.error = 2; + } + + else if ((c[0] & 0xf0) == 0xe0) { + if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80) { // Two continuation bytes required + if (max_advance >= 3) { + result.out_str = (uint32_t)(c[0] & 0xf) << 12u | (uint32_t)(c[1] & 0x3f) << 6u | (c[2] & 0x3f); + result.advance = 3; + } + else result.error = 3; + } + else result.error = 3; + } + + else if ((c[0] & 0xf8) == 0xf0) { + if ((c[1] & 0xc0) == 0x80 && (c[2] & 0xc0) == 0x80 && (c[3] & 0xc0) == 0x80) { // Three continuation bytes required + if (max_advance >= 4) { + result.out_str = (uint32_t)(c[0] & 0xf) << 18u | (uint32_t)(c[1] & 0x3f) << 12u | (uint32_t)(c[2] & 0x3f) << 6u | (uint32_t)(c[3] & 0x3f); + result.advance = 4; + } + else result.error = 4; + } + else result.error = 4; + } + else result.error = 4; + + return result; +} + +UTF_API UTF16_Result UTF_ConvertUTF32ToUTF16(uint32_t codepoint) { + UTF16_Result result; + UTF__MemoryZero(&result, sizeof(result)); + if (codepoint < 0x10000) { + result.out_str[0] = (uint16_t)codepoint; + result.out_str[1] = 0; + result.len = 1; + } + else if (codepoint <= 0x10FFFF) { + uint32_t code = (codepoint - 0x10000); + result.out_str[0] = (uint16_t)(0xD800 | (code >> 10)); + result.out_str[1] = (uint16_t)(0xDC00 | (code & 0x3FF)); + result.len = 2; + } + else { + result.error = 1; + } + + return result; +} + +#define UTF__HANDLE_DECODE_ERROR(question_mark) \ + { \ + if (outlen < buffer_size - 1) buffer[outlen++] = (question_mark); \ + break; \ + } + +UTF_API int64_t UTF_CreateCharFromWidechar(char *buffer, int64_t buffer_size, wchar_t *in, int64_t inlen) { + int64_t outlen = 0; + for (int64_t i = 0; i < inlen && in[i];) { + UTF32_Result decode = UTF_ConvertUTF16ToUTF32((uint16_t *)(in + i), (int)(inlen - i)); + if (!decode.error) { + i += decode.advance; + UTF8_Result encode = UTF_ConvertUTF32ToUTF8(decode.out_str); + if (!encode.error) { + for (int64_t j = 0; j < encode.len; j++) { + if (outlen < buffer_size - 1) { + buffer[outlen++] = encode.out_str[j]; + } + } + } + else UTF__HANDLE_DECODE_ERROR('?'); + } + else UTF__HANDLE_DECODE_ERROR('?'); + } + + buffer[outlen] = 0; + return outlen; +} + +UTF_API int64_t UTF_CreateWidecharFromChar(wchar_t *buffer, int64_t buffer_size, char *in, int64_t inlen) { + int64_t outlen = 0; + for (int64_t i = 0; i < inlen;) { + UTF32_Result decode = UTF_ConvertUTF8ToUTF32(in + i, (int)(inlen - i)); + if (!decode.error) { + i += decode.advance; + UTF16_Result encode = UTF_ConvertUTF32ToUTF16(decode.out_str); + if (!encode.error) { + for (int64_t j = 0; j < encode.len; j++) { + if (outlen < buffer_size - 1) { + buffer[outlen++] = encode.out_str[j]; + } + } + } + else UTF__HANDLE_DECODE_ERROR(0x003f); + } + else UTF__HANDLE_DECODE_ERROR(0x003f); + } + + buffer[outlen] = 0; + return outlen; +} + +UTF_API void UTF8_Advance(UTF8_Iter *iter) { + iter->i += iter->utf8_codepoint_byte_size; + UTF32_Result r = UTF_ConvertUTF8ToUTF32(iter->str + iter->i, iter->len - iter->i); + if (r.error) { + iter->item = 0; + return; + } + + iter->utf8_codepoint_byte_size = r.advance; + iter->item = r.out_str; +} + +UTF_API UTF8_Iter UTF8_IterateEx(char *str, int len) { + UTF8_Iter result; + UTF__MemoryZero(&result, sizeof(result)); + result.str = str; + result.len = len; + if (len) UTF8_Advance(&result); + return result; +} + +UTF_API UTF8_Iter UTF8_Iterate(char *str) { + return UTF8_IterateEx(str, UTF__StringLength(str)); +} + +#endif // UTF_IMPLEMENTATION \ No newline at end of file diff --git a/src/core/vmath.hpp b/src/core/vmath.hpp new file mode 100755 index 0000000..988de79 --- /dev/null +++ b/src/core/vmath.hpp @@ -0,0 +1,711 @@ +#pragma once + +constexpr float PI32 = 3.14159265359f; +constexpr float DEG2RAD = (PI32 / 180.f); // @Usage: degree * DEG2RAD = radians; +constexpr float RAD2DEG = (180.f / PI32); + +union Vec2 { + struct { + float x, y; + }; + struct { + float w, h; + }; + float e[2]; +}; + +union Vec3 { + struct { + float x, y, z; + }; + struct { + float r, g, b; + }; + struct { + float h, s, l; + }; + struct { + Vec2 xy; + float floor; + }; + struct { + float _x1; + Vec2 yz; + }; + float e[3]; +}; + +union Vec4 { + struct { + float x, y, z, w; + }; + struct { + float r, g, b, a; + }; + struct { + float h, s, l, a; + }; + struct { + Vec3 rgb; + float _i1; + }; + struct { + Vec3 xyz; + float _i2; + }; + struct { + Vec2 xy; + Vec2 zw; + }; + + + float e[4]; +}; + +union Vec2I { + struct { + int x, y; + }; + int e[2]; +}; + +union Vec3I { + struct { + int x; + int y; + int z; + }; + struct { + int r, g, b; + }; + struct { + int z_[2]; + int floor; + }; + int e[3]; +}; + +union Vec4I { + struct { + int x, y, z, w; + }; + struct { + int r, g, b, a; + }; + int e[4]; +}; + +struct Rect2 { + union { + struct { + float x0; + float y0; + float x1; + float y1; + }; + struct { + Vec2 min; + Vec2 max; + }; + }; +}; + +struct Rect3 { + Vec3 min; + Vec3 max; +}; + +// Right handed coordinate system + +struct M4x4 { + // Matrices are stored ROW MAJOR (But they follow notation and behaviour of column major math notation !) + // Matrix.e[row][column] + // Multiplication follows right to left = TRANSLATION * ROTATION * SCALE * V + // When sending to OpenGL need to transpose to column major !!! + // + // We want matrices to look and act exactly like in a textbook. + // When we store row major the C notation mimicks the textbook. + float e[4][4]; +}; + +#define COLOR_WHITE \ + Vec4 { 1.f, 1.f, 1.f, 1.f } +#define COLOR_BLACK \ + Vec4 { 0.f, 0.f, 0.f, 1.f } +#define COLOR_BLACK_NO_ALPHA \ + Vec4 { 0.f, 0.f, 0.f, 0.f } +#define COLOR_GREY \ + Vec4 { 0.5f, 0.5f, 0.5f, 1.f } +#define COLOR_RED \ + Vec4 { 1.0f, 0.f, 0.f, 1.f } +#define COLOR_GREEN \ + Vec4 { 0.0f, 1.f, 0.f, 1.f } +#define COLOR_BLUE \ + Vec4 { 0.0f, 0.f, 1.f, 1.f } + + +template +inline T Maximum(T a, T b) { + if (a > b) return a; + return b; +} + +template +inline T Minimum(T a, T b) { + if (a > b) return b; + return a; +} + +template +inline void Swap(T &a, T& b) { + T temp = a; + a = b; + b = temp; +} + +inline Vec2 Vec2IToVec2(Vec2I a) { return { (float)a.x, (float)a.y, }; } +inline Vec3 Vec3IToVec3(Vec3I a) { return { (float)a.x, (float)a.y, (float)a.z, }; } +inline Vec4 Vec4IToVec4(Vec4I a) { return { (float)a.x, (float)a.y, (float)a.z, (float)a.w, }; } +inline Vec2 operator-(Vec2 a) { return { -a.x, -a.y }; } +inline Vec3 operator-(Vec3 a) { return { -a.x, -a.y ,-a.z }; } +inline Vec4 operator-(Vec4 a) { return { -a.x, -a.y ,-a.z ,-a.w }; } +inline Vec2 operator*(Vec2 a, Vec2 b) { return { a.x * b.x, a.y * b.y, }; } +inline Vec2 &operator*=(Vec2 &a, Vec2 b) { a = a * b; return a; } +inline Vec2 operator*(Vec2 a, float b) { return { a.x * b, a.y * b, }; } +inline Vec2 operator*(float b, Vec2 a) { return { a.x * b, a.y * b, }; } +inline Vec2 &operator*=(Vec2 &a, float b) { a = a * b; return a; } +inline Vec3 operator*(Vec3 a, Vec3 b) { return { a.x * b.x, a.y * b.y, a.z * b.z, }; } +inline Vec3 &operator*=(Vec3 &a, Vec3 b) { a = a * b; return a; } +inline Vec3 operator*(Vec3 a, float b) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3 operator*(float b, Vec3 a) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3 &operator*=(Vec3 &a, float b) { a = a * b; return a; } +inline Vec4 operator*(Vec4 a, Vec4 b) { return { a.x * b.x, a.y * b.y, a.z * b.z, a.w * b.w, }; } +inline Vec4 &operator*=(Vec4 &a, Vec4 b) { a = a * b; return a; } +inline Vec4 operator*(Vec4 a, float b) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4 operator*(float b, Vec4 a) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4 &operator*=(Vec4 &a, float b) { a = a * b; return a; } +inline Vec2 operator/(Vec2 a, Vec2 b) { return { a.x / b.x, a.y / b.y, }; } +inline Vec2 &operator/=(Vec2 &a, Vec2 b) { a = a / b; return a; } +inline Vec2 operator/(Vec2 a, float b) { return { a.x / b, a.y / b, }; } +inline Vec2 operator/(float b, Vec2 a) { return { b / a.x, b / a.y, }; } +inline Vec2 &operator/=(Vec2 &a, float b) { a = a / b; return a; } +inline Vec3 operator/(Vec3 a, Vec3 b) { return { a.x / b.x, a.y / b.y, a.z / b.z, }; } +inline Vec3 &operator/=(Vec3 &a, Vec3 b) { a = a / b; return a; } +inline Vec3 operator/(Vec3 a, float b) { return { a.x / b, a.y / b, a.z / b, }; } +inline Vec3 operator/(float b, Vec3 a) { return { b / a.x, b / a.y, b / a.z, }; } +inline Vec3 &operator/=(Vec3 &a, float b) { a = a / b; return a; } +inline Vec4 operator/(Vec4 a, Vec4 b) { return { a.x / b.x, a.y / b.y, a.z / b.z, a.w / b.w, }; } +inline Vec4 &operator/=(Vec4 &a, Vec4 b) { a = a / b; return a; } +inline Vec4 operator/(Vec4 a, float b) { return { a.x / b, a.y / b, a.z / b, a.w / b, }; } +inline Vec4 operator/(float b, Vec4 a) { return { b / a.x, b / a.y, b / a.z, b / a.w, }; } +inline Vec4 &operator/=(Vec4 &a, float b) { a = a / b; return a; } +inline Vec2 operator+(Vec2 a, Vec2 b) { return { a.x + b.x, a.y + b.y, }; } +inline Vec2 &operator+=(Vec2 &a, Vec2 b) { a = a + b; return a; } +inline Vec2 operator+(Vec2 a, float b) { return { a.x + b, a.y + b, }; } +inline Vec2 operator+(float b, Vec2 a) { return { a.x + b, a.y + b, }; } +inline Vec2 &operator+=(Vec2 &a, float b) { a = a + b; return a; } +inline Vec3 operator+(Vec3 a, Vec3 b) { return { a.x + b.x, a.y + b.y, a.z + b.z, }; } +inline Vec3 &operator+=(Vec3 &a, Vec3 b) { a = a + b; return a; } +inline Vec3 operator+(Vec3 a, float b) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3 operator+(float b, Vec3 a) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3 &operator+=(Vec3 &a, float b) { a = a + b; return a; } +inline Vec4 operator+(Vec4 a, Vec4 b) { return { a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w, }; } +inline Vec4 &operator+=(Vec4 &a, Vec4 b) { a = a + b; return a; } +inline Vec4 operator+(Vec4 a, float b) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4 operator+(float b, Vec4 a) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4 &operator+=(Vec4 &a, float b) { a = a + b; return a; } +inline Vec2 operator-(Vec2 a, Vec2 b) { return { a.x - b.x, a.y - b.y, }; } +inline Vec2 &operator-=(Vec2 &a, Vec2 b) { a = a - b; return a; } +inline Vec2 operator-(Vec2 a, float b) { return { a.x - b, a.y - b, }; } +inline Vec2 operator-(float b, Vec2 a) { return { b - a.x, b - a.y, }; } +inline Vec2 &operator-=(Vec2 &a, float b) { a = a - b; return a; } +inline Vec3 operator-(Vec3 a, Vec3 b) { return { a.x - b.x, a.y - b.y, a.z - b.z, }; } +inline Vec3 &operator-=(Vec3 &a, Vec3 b) { a = a - b; return a; } +inline Vec3 operator-(Vec3 a, float b) { return { a.x - b, a.y - b, a.z - b, }; } +inline Vec3 operator-(float b, Vec3 a) { return { b - a.x, b - a.y, b - a.z, }; } +inline Vec3 &operator-=(Vec3 &a, float b) { a = a - b; return a; } +inline Vec4 operator-(Vec4 a, Vec4 b) { return { a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w, }; } +inline Vec4 &operator-=(Vec4 &a, Vec4 b) { a = a - b; return a; } +inline Vec4 operator-(Vec4 a, float b) { return { a.x - b, a.y - b, a.z - b, a.w - b, }; } +inline Vec4 operator-(float b, Vec4 a) { return { b - a.x, b - a.y, b - a.z, b - a.w, }; } +inline Vec4 &operator-=(Vec4 &a, float b) { a = a - b; return a; } + +inline Vec2I operator-(Vec2I a) { return { -a.x, -a.y }; } +inline Vec3I operator-(Vec3I a) { return { -a.x, -a.y ,-a.z }; } +inline Vec4I operator-(Vec4I a) { return { -a.x, -a.y ,-a.z ,-a.w }; } +inline Vec2I operator*(Vec2I a, Vec2I b) { return { a.x * b.x, a.y * b.y, }; } +inline Vec2I &operator*=(Vec2I &a, Vec2I b) { a = a * b; return a; } +inline Vec2I operator*(Vec2I a, int b) { return { a.x * b, a.y * b, }; } +inline Vec2I operator*(int b, Vec2I a) { return { a.x * b, a.y * b, }; } +inline Vec2I &operator*=(Vec2I &a, int b) { a = a * b; return a; } +inline Vec3I operator*(Vec3I a, Vec3I b) { return { a.x * b.x, a.y * b.y, a.z * b.z, }; } +inline Vec3I &operator*=(Vec3I &a, Vec3I b) { a = a * b; return a; } +inline Vec3I operator*(Vec3I a, int b) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3I operator*(int b, Vec3I a) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3I &operator*=(Vec3I &a, int b) { a = a * b; return a; } +inline Vec4I operator*(Vec4I a, Vec4I b) { return { a.x * b.x, a.y * b.y, a.z * b.z, a.w * b.w, }; } +inline Vec4I &operator*=(Vec4I &a, Vec4I b) { a = a * b; return a; } +inline Vec4I operator*(Vec4I a, int b) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4I operator*(int b, Vec4I a) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4I &operator*=(Vec4I &a, int b) { a = a * b; return a; } +inline Vec2I operator/(Vec2I a, Vec2I b) { return { a.x / b.x, a.y / b.y, }; } +inline Vec2I &operator/=(Vec2I &a, Vec2I b) { a = a / b; return a; } +inline Vec2I operator/(Vec2I a, int b) { return { a.x / b, a.y / b, }; } +inline Vec2I operator/(int b, Vec2I a) { return { b / a.x, b / a.y, }; } +inline Vec2I &operator/=(Vec2I &a, int b) { a = a / b; return a; } +inline Vec3I operator/(Vec3I a, Vec3I b) { return { a.x / b.x, a.y / b.y, a.z / b.z, }; } +inline Vec3I &operator/=(Vec3I &a, Vec3I b) { a = a / b; return a; } +inline Vec3I operator/(Vec3I a, int b) { return { a.x / b, a.y / b, a.z / b, }; } +inline Vec3I operator/(int b, Vec3I a) { return { b / a.x, b / a.y, b / a.z, }; } +inline Vec3I &operator/=(Vec3I &a, int b) { a = a / b; return a; } +inline Vec4I operator/(Vec4I a, Vec4I b) { return { a.x / b.x, a.y / b.y, a.z / b.z, a.w / b.w, }; } +inline Vec4I &operator/=(Vec4I &a, Vec4I b) { a = a / b; return a; } +inline Vec4I operator/(Vec4I a, int b) { return { a.x / b, a.y / b, a.z / b, a.w / b, }; } +inline Vec4I operator/(int b, Vec4I a) { return { b / a.x, b / a.y, b / a.z, b / a.w, }; } +inline Vec4I &operator/=(Vec4I &a, int b) { a = a / b; return a; } +inline Vec2I operator+(Vec2I a, Vec2I b) { return { a.x + b.x, a.y + b.y, }; } +inline Vec2I &operator+=(Vec2I &a, Vec2I b) { a = a + b; return a; } +inline Vec2I operator+(Vec2I a, int b) { return { a.x + b, a.y + b, }; } +inline Vec2I operator+(int b, Vec2I a) { return { a.x + b, a.y + b, }; } +inline Vec2I &operator+=(Vec2I &a, int b) { a = a + b; return a; } +inline Vec3I operator+(Vec3I a, Vec3I b) { return { a.x + b.x, a.y + b.y, a.z + b.z, }; } +inline Vec3I &operator+=(Vec3I &a, Vec3I b) { a = a + b; return a; } +inline Vec3I operator+(Vec3I a, int b) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3I operator+(int b, Vec3I a) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3I &operator+=(Vec3I &a, int b) { a = a + b; return a; } +inline Vec4I operator+(Vec4I a, Vec4I b) { return { a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w, }; } +inline Vec4I &operator+=(Vec4I &a, Vec4I b) { a = a + b; return a; } +inline Vec4I operator+(Vec4I a, int b) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4I operator+(int b, Vec4I a) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4I &operator+=(Vec4I &a, int b) { a = a + b; return a; } +inline Vec2I operator-(Vec2I a, Vec2I b) { return { a.x - b.x, a.y - b.y, }; } +inline Vec2I &operator-=(Vec2I &a, Vec2I b) { a = a - b; return a; } +inline Vec2I operator-(Vec2I a, int b) { return { a.x - b, a.y - b, }; } +inline Vec2I operator-(int b, Vec2I a) { return { b - a.x, b - a.y, }; } +inline Vec2I &operator-=(Vec2I &a, int b) { a = a - b; return a; } +inline Vec3I operator-(Vec3I a, Vec3I b) { return { a.x - b.x, a.y - b.y, a.z - b.z, }; } +inline Vec3I &operator-=(Vec3I &a, Vec3I b) { a = a - b; return a; } +inline Vec3I operator-(Vec3I a, int b) { return { a.x - b, a.y - b, a.z - b, }; } +inline Vec3I operator-(int b, Vec3I a) { return { b - a.x, b - a.y, b - a.z, }; } +inline Vec3I &operator-=(Vec3I &a, int b) { a = a - b; return a; } +inline Vec4I operator-(Vec4I a, Vec4I b) { return { a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w, }; } +inline Vec4I &operator-=(Vec4I &a, Vec4I b) { a = a - b; return a; } +inline Vec4I operator-(Vec4I a, int b) { return { a.x - b, a.y - b, a.z - b, a.w - b, }; } +inline Vec4I operator-(int b, Vec4I a) { return { b - a.x, b - a.y, b - a.z, b - a.w, }; } +inline Vec4I &operator-=(Vec4I &a, int b) { a = a - b; return a; } + +inline Rect2 Rect2_Center(Vec2 center, Vec2 halfdim) { return {center.x - halfdim.x, center.y - halfdim.y, center.x + halfdim.x, center.y + halfdim.y}; } +inline Vec2 CalcSize(Rect2 r) { return { r.max.x - r.min.x, r.max.y - r.min.y }; } +inline Rect2 Rect2_Size(float x, float y, float w, float h) { return { x, y, x + w, y + h }; } +inline Rect2 Rect2_Size(Vec2 pos, Vec2 size) { return { pos.x, pos.y, pos.x + size.w, pos.y + size.h }; } +inline Rect2 Rect2_MinMax(Vec2 p0, Vec2 p1) { return {p0.x, p0.y, p1.x, p1.y }; } +inline Rect2 ShrinkByHalfSize(Rect2 rect, Vec2 half_size) { return {rect.min.x + half_size.x, rect.min.y + half_size.y, rect.max.x - half_size.x, rect.max.y - half_size.y}; } +inline Rect2 ExpandByHalfSize(Rect2 rect, Vec2 half_size) { return {rect.min.x - half_size.x, rect.min.y - half_size.y, rect.max.x + half_size.x, rect.max.y + half_size.y}; } + +inline Rect2 Rect2_AdjustMinMax(Vec2 p0, Vec2 p1) { + Rect2 result = { + Minimum(p0.x, p1.x), Minimum(p0.y, p1.y), + Maximum(p0.x, p1.x), Maximum(p0.y, p1.y), + }; + return result; +} + +inline float GetXSize(Rect2 r) { return r.max.x - r.min.x; } +inline float GetYSize(Rect2 r) { return r.max.y - r.min.y; } +inline Vec2 GetSize(Rect2 r) { return r.max - r.min; } + +inline float Lerp(float from, float to, float t) {return (1-t)*from + t*to;} +inline Vec2 Lerp(Vec2 from, Vec2 to, float t) {return (1-t)*from + t*to;} +inline Vec3 Lerp(Vec3 from, Vec3 to, float t) {return (1-t)*from + t*to;} +inline Vec4 Lerp(Vec4 from, Vec4 to, float t) {return (1-t)*from + t*to;} + +#include +inline float SquareRoot(float a) { return sqrtf(a); } +inline Vec2 SquareRoot(Vec2 a) { return {SquareRoot(a.x), SquareRoot(a.y)}; } +inline Vec3 SquareRoot(Vec3 a) { return {SquareRoot(a.x), SquareRoot(a.y), SquareRoot(a.z)}; } +inline Vec4 SquareRoot(Vec4 a) { return {SquareRoot(a.x), SquareRoot(a.y), SquareRoot(a.z), SquareRoot(a.w)}; } +inline float Dot(Vec2 a, Vec2 b) { return a.x * b.x + a.y * b.y; } +inline float Dot(Vec3 a, Vec3 b) { return a.x * b.x + a.y * b.y + a.z * b.z; } +inline float Dot(Vec4 a, Vec4 b) { return a.x * b.x + a.y * b.y + a.z * b.z + a.w * b.w; } +inline float Length(Vec2 a) { return SquareRoot(Dot(a,a)); } +inline float Length(Vec3 a) { return SquareRoot(Dot(a,a)); } +inline float Length(Vec4 a) { return SquareRoot(Dot(a,a)); } + +inline Vec2 Normalize(Vec2 a) { + Vec2 result = {}; + float len = Length(a); + if (len != 0.f) { + float inv_len = 1.0f / len; + result.x = a.x * inv_len; + result.y = a.y * inv_len; + } + return result; +} + +inline Vec3 Normalize(Vec3 a) { + Vec3 result = {}; + float len = Length(a); + if (len != 0.f) { + float inv_len = 1.0f / len; + result.x = a.x * inv_len; + result.y = a.y * inv_len; + result.z = a.z * inv_len; + } + return result; +} + +inline Vec4 Normalize(Vec4 a) { + Vec4 result = {}; + float len = Length(a); + if (len != 0.f) { + float inv_len = 1.0f / len; + result.x = a.x * inv_len; + result.y = a.y * inv_len; + result.z = a.z * inv_len; + result.w = a.w * inv_len; + } + return result; +} + +inline M4x4 operator*(M4x4 a, M4x4 b) { + M4x4 result; + for (int y = 0; y < 4; y++) { + for (int x = 0; x < 4; x++) { + result.e[y][x] = + a.e[y][0] * b.e[0][x] + a.e[y][1] * b.e[1][x] + a.e[y][2] * b.e[2][x] + a.e[y][3] * b.e[3][x]; + } + } + return result; +} + +// Matrix is stored ROW MAJOR in memory so that it mimicks the COLUMN MAJOR MATH NOTATION from textbooks. +// AMAZIN! +inline Vec4 operator*(M4x4 a, Vec4 b) { + Vec4 result; + for (int y = 0; y < 4; y++) { + result.e[y] = a.e[y][0] * b.e[0] + a.e[y][1] * b.e[1] + a.e[y][2] * b.e[2] + a.e[y][3] * b.e[3]; + } + return result; +} + +// Matrix is stored ROW MAJOR in memory so that it mimicks the COLUMN MAJOR MATH NOTATION from textbooks. +// AMAZIN! +inline Vec3 operator*(M4x4 a, Vec3 b) { + Vec4 result; + for (int y = 0; y < 4; y++) + result.e[y] = a.e[y][0] * b.e[0] + a.e[y][1] * b.e[1] + a.e[y][2] * b.e[2] + a.e[y][3] * 1; + return {result.x, result.y, result.z}; +} + +inline Vec3 GetBasisX(M4x4 a) { + Vec3 result = {a.e[0][0], a.e[0][1], a.e[0][2]}; + return result; +} + +inline Vec3 GetBasisY(M4x4 a) { + Vec3 result = {a.e[1][0], a.e[1][1], a.e[1][2]}; + return result; +} + +inline Vec3 GetBasisZ(M4x4 a) { + Vec3 result = {a.e[2][0], a.e[2][1], a.e[2][2]}; + return result; +} + +inline Vec3 GetTranslation(M4x4 a) { + Vec3 result = {a.e[0][3], a.e[1][3], a.e[2][3]}; + return result; +} + +// Row major or column major: Read struct M4x4 +inline M4x4 M4_Perspective(float fov, float window_x, float window_y, float znear, float zfar) { + float a = window_x / window_y; + float c = 1.0f / tanf(DEG2RAD*fov/2.0f); + float f = zfar; + float n = znear; + M4x4 result = { + c/a , 0 , 0 , 0 , + 0 , c , 0 , 0 , + 0 , 0 , -(f+n)/(f-n) , -(2*f*n)/(f-n) , + 0 , 0 , -1 , 0 , + }; + return result; +} + +// Row major or column major: Read struct M4x4 +inline M4x4 M4_RotationX(float rotation) { + float s = sinf(rotation); + float c = cosf(rotation); + M4x4 result = { + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1, + }; + return result; +} + +// Row major or column major: Read struct M4x4 +inline M4x4 M4_RotationY(float rotation) { + float s = sinf(rotation); + float c = cosf(rotation); + M4x4 result = { + c, 0, s, 0, + 0, 1, 0, 0, + -s, 0, c, 0, + 0, 0, 0, 1, + }; + return result; +} + +// Row major or column major: Read struct M4x4 +inline M4x4 M4_RotationZ(float rotation) { + float s = sinf(rotation); + float c = cosf(rotation); + M4x4 result = { + c, -s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1, + }; + return result; +} + +#if 0 +inline Vec3 Cross(Vec3 a, Vec3 b) { + Vec3 result; + result.x = a.y * b.z - a.z * b.y; + result.y = a.z * b.x - a.x * b.z; + result.z = a.x * b.y - a.y * b.x; + return result; +} + +#endif +inline M4x4 M4_Identity() { + M4x4 result = { + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1, + }; + return result; +} + +// Row major +inline M4x4 M4_Scale(Vec3 a) { + M4x4 result = { + a.x, 0, 0, 0, + 0, a.y, 0, 0, + 0, 0, a.z, 0, + 0, 0, 0, 1, + }; + return result; +} + +// Row major +inline M4x4 M4_Translation(Vec3 a) { + return { + 1, 0, 0, a.x, + 0, 1, 0, a.y, + 0, 0, 1, a.z, + 0, 0, 0, 1 + }; +} + +// ? +// Why in the instance of changing the basis you need the vectors setup in this way +// but in camera transforms you have those vectors transposed?? +inline M4x4 M4_ChangeOfBasis(Vec3 side, Vec3 up, Vec3 forward) { + M4x4 result = { + side.x , up.x , forward.x , 0 , + side.y , up.y , forward.y , 0 , + side.z , up.z , forward.z , 0 , + 0 , 0 , 0 , 1 , + }; + return result; +} + +inline M4x4 Transpose(M4x4 a) { + M4x4 result = a; + result.e[0][1] = result.e[1][0]; + result.e[0][2] = result.e[2][0]; + result.e[0][3] = result.e[3][0]; + result.e[2][1] = result.e[1][2]; + result.e[3][1] = result.e[1][3]; + result.e[3][2] = result.e[2][3]; + return result; +} + +template +inline T ClampTop(T t, T max) { + if (t > max) return max; + return t; +} + +template +inline T ClampBot(T t, T min) { + if (t < min) return min; + return t; +} + + +template +inline T Clamp(T t, T min, T max) { + if (t > max) return max; + else if (t < min) return min; + return t; +} + +inline float Clamp01(float t) { + return Clamp(t, 0.f, 1.f); +} + +inline float Clamp01MapToRange(float t, float min, float max) { + float range = max - min; + float value = (t - min) / range; + float result = Clamp(value, 0.f, 1.f); + return result; +} + +inline bool AreColliding(Rect2 rect, Vec2 point) { + bool result = point.x > rect.min.x && point.x < rect.max.x && point.y > rect.min.y && point.y < rect.max.y; + return result; +} + +inline bool AreColliding(Rect2 a, Rect2 b) { + bool result = a.min.x < b.max.x && a.max.x > b.min.x &&a.min.y < b.max.y && a.max.y > b.min.y; + return result; +} + +inline bool AreColliding(Vec2 circle_pos, float radius, Vec2 point) { + Vec2 d = point - circle_pos; + float distance = Length(d); + bool result = distance <= radius; + return result; +} + +/* + * Converts an RGB color value to HSL. Conversion formula + * adapted from http://en.wikipedia.org/wiki/HSL_color_space. + * also https://gist.github.com/ciembor/1494530 + * alpha is ignored + */ +inline Vec3 RGBToHSL(Vec3 color) { + + Vec3 result; + float max = Maximum(Maximum(color.r,color.g),color.b); + float min = Minimum(Minimum(color.r,color.g),color.b); + + result.h = result.s = result.l = (max + min) / 2.f; + + if (max == min) { + result.h = result.s = 0.f; // achromatic + } + else { + float d = max - min; + result.s = (result.l > 0.5f) ? d / (2.f - max - min) : d / (max + min); + + if (max == color.r) { + result.h = (color.g - color.b) / d + (color.g < color.b ? 6.f : 0.f); + } + else if (max == color.g) { + result.h = (color.b - color.r) / d + 2.f; + } + else if (max == color.b) { + result.h = (color.r - color.g) / d + 4.f; + } + + result.h /= 6.f; + } + + return result; + +} + +inline Vec4 RGBToHSL(Vec4 color) { + Vec3 result = RGBToHSL(color.rgb); + return {result.r, result.g, result.b, color.a}; +} + +/* + * Converts an HUE to r, g or b. + * returns float in the set [0, 1]. + */ +inline float HueToRGB(float p, float q, float t) { + if (t < 0.f) t += 1.f; + if (t > 1.f) t -= 1.f; + if (t < 1.f/6.f) return p + (q - p) * 6.f * t; + if (t < 1.f/2.f) return q; + if (t < 2.f/3.f) return p + (q - p) * (2.f/3.f - t) * 6.f; + return p; +} + +inline Vec3 HSLToRGB(Vec3 color) { + Vec3 result; + + if(0 == color.s) { + result.r = result.g = result.b = color.l; // achromatic + } + else { + float q = color.l < 0.5f ? color.l * (1.f + color.s) : color.l + color.s - color.l * color.s; + float p = 2.f * color.l - q; + result.r = HueToRGB(p, q, color.h + 1.f/3.f); + result.g = HueToRGB(p, q, color.h); + result.b = HueToRGB(p, q, color.h - 1.f/3.f); + } + return result; +} + + +inline Vec4 HSLToRGB(Vec4 color) { + Vec3 result = HSLToRGB(color.rgb); + return {result.r, result.g, result.b, color.a}; +} + +inline float PingPong(float x) { + return 1.0f - fabsf(1.f - fmodf(x,2)); +} + +inline float Absolute(float x) {return fabsf(x);} +inline Vec2 Absolute(Vec2 x) {return {fabsf(x.x), fabsf(x.y)};} +inline Vec4 SetAlpha(Vec4 color, float x) { + Vec4 result = color; + result.a = x; + return result; +} + +inline float SmoothStep(float t) { + float result = t*t*(3-2*t); + return result; +} + +inline float EaseOutBounce(float x) { + float n1 = 7.5625f; + float d1 = 2.75f; + + if (x < 1.f / d1) { + return n1 * x * x; + } else if (x < 2.f / d1) { + return n1 * (x -= 1.5f / d1) * x + 0.75f; + } else if (x < 2.5f / d1) { + return n1 * (x -= 2.25f / d1) * x + 0.9375f; + } else { + return n1 * (x -= 2.625f / d1) * x + 0.984375f; + } +} + +inline float EaseOutElastic(float x) { + float c4 = (2 * PI32) / 3; + + return x == 0.f + ? 0 + : x == 1.f + ? 1 + : powf(2.f, -10.f * x) * sinf((x * 10.f - 0.75f) * c4) + 1.f; +} + +inline float EaseInQuint(float x) { + return x * x * x * x * x; +} +inline float EaseInCubic(float x) { + return x * x * x; +} diff --git a/src/core/vmath64.hpp b/src/core/vmath64.hpp new file mode 100755 index 0000000..790b336 --- /dev/null +++ b/src/core/vmath64.hpp @@ -0,0 +1,306 @@ +// +// 64 bit +// + +union Vec2F64 { + struct { + double x, y; + }; + struct { + double w, h; + }; + double e[2]; +}; + +union Vec3F64 { + struct { + double x, y, z; + }; + struct { + double r, g, b; + }; + struct { + double h, s, l; + }; + struct { + Vec2F64 xy; + double floor; + }; + struct { + double _x1; + Vec2F64 yz; + }; + double e[3]; +}; + +union Vec4F64 { + struct { + double x, y, z, w; + }; + struct { + double r, g, b, a; + }; + struct { + double h, s, l, a; + }; + struct { + Vec3F64 rgb; + double _i1; + }; + struct { + Vec3F64 xyz; + double _i2; + }; + struct { + Vec2F64 xy; + Vec2F64 zw; + }; + + + double e[4]; +}; + +union Vec2I64 { + struct { + int64_t x, y; + }; + int64_t e[2]; +}; + +union Vec3I64 { + struct { + int64_t x; + int64_t y; + int64_t z; + }; + struct { + int64_t r, g, b; + }; + struct { + int64_t z_[2]; + int64_t floor; + }; + int64_t e[3]; +}; + +union Vec4I64 { + struct { + int64_t x, y, z, w; + }; + struct { + int64_t r, g, b, a; + }; + int64_t e[4]; +}; + +struct Rect2F64 { + union { + struct { + double x0; + double y0; + double x1; + double y1; + }; + struct { + Vec2F64 min; + Vec2F64 max; + }; + }; +}; + +struct Rect3F64 { + Vec3F64 min; + Vec3F64 max; +}; + +// clang-format off +/*--# + +for vec in ["Vec2F64", "Vec3F64", "Vec4F64"]: + v = vec.lower() + z = "(double)a.z," if vec == "Vec3F64" or vec == "Vec4F64" else "" + w = "(double)a.w," if vec == "Vec4F64" else "" + print(f"inline {vec} {vec}ITo{vec}({vec}I a) {{ return {{ (double)a.x, (double)a.y, {z} {w} }}; }}") + if z != "": z = ",-a.z" + if w != "": w = ",-a.w" + print(f"inline {vec} operator-({vec} a) {{ return {{ -a.x, -a.y {z} {w} }}; }}") + +for op in ["*", "/", "+", "-"]: + for vec in ["Vec2F64", "Vec3F64", "Vec4F64"]: + x = f"a.x {op} b.x," + y = f"a.y {op} b.y," + z = f"a.z {op} b.z," if vec == "Vec3F64" or vec == "Vec4F64" else "" + w = f"a.w {op} b.w," if vec == "Vec4F64" else "" + + print(f"inline {vec} operator{op}({vec} a, {vec} b) {{ return {{ {x} {y} {z} {w} }}; }}") + print(f"inline {vec} &operator{op}=({vec} &a, {vec} b) {{ a = a {op} b; return a; }}") + + + x = f"a.x {op} b," + y = f"a.y {op} b," + z = f"a.z {op} b," if vec == "Vec3F64" or vec == "Vec4F64" else "" + w = f"a.w {op} b," if vec == "Vec4F64" else "" + + print(f"inline {vec} operator{op}({vec} a, double b) {{ return {{ {x} {y} {z} {w} }}; }}") + print(f"inline {vec} operator{op}(double b, {vec} a) {{ return {{ {x} {y} {z} {w} }}; }}") + print(f"inline {vec} &operator{op}=({vec} &a, double b) {{ a = a {op} b; return a; }}") +*/ +inline Vec2F64 Vec2IToVec2(Vec2I64 a) { return { (double)a.x, (double)a.y, }; } +inline Vec3F64 Vec3IToVec3(Vec3I64 a) { return { (double)a.x, (double)a.y, (double)a.z, }; } +inline Vec4F64 Vec4IToVec4(Vec4I64 a) { return { (double)a.x, (double)a.y, (double)a.z, (double)a.w, }; } +inline Vec2F64 operator-(Vec2F64 a) { return { -a.x, -a.y }; } +inline Vec3F64 operator-(Vec3F64 a) { return { -a.x, -a.y ,-a.z }; } +inline Vec4F64 operator-(Vec4F64 a) { return { -a.x, -a.y ,-a.z ,-a.w }; } +inline Vec2F64 operator*(Vec2F64 a, Vec2F64 b) { return { a.x * b.x, a.y * b.y, }; } +inline Vec2F64 &operator*=(Vec2F64 &a, Vec2F64 b) { a = a * b; return a; } +inline Vec2F64 operator*(Vec2F64 a, double b) { return { a.x * b, a.y * b, }; } +inline Vec2F64 operator*(double b, Vec2F64 a) { return { a.x * b, a.y * b, }; } +inline Vec2F64 &operator*=(Vec2F64 &a, double b) { a = a * b; return a; } +inline Vec3F64 operator*(Vec3F64 a, Vec3F64 b) { return { a.x * b.x, a.y * b.y, a.z * b.z, }; } +inline Vec3F64 &operator*=(Vec3F64 &a, Vec3F64 b) { a = a * b; return a; } +inline Vec3F64 operator*(Vec3F64 a, double b) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3F64 operator*(double b, Vec3F64 a) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3F64 &operator*=(Vec3F64 &a, double b) { a = a * b; return a; } +inline Vec4F64 operator*(Vec4F64 a, Vec4F64 b) { return { a.x * b.x, a.y * b.y, a.z * b.z, a.w * b.w, }; } +inline Vec4F64 &operator*=(Vec4F64 &a, Vec4F64 b) { a = a * b; return a; } +inline Vec4F64 operator*(Vec4F64 a, double b) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4F64 operator*(double b, Vec4F64 a) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4F64 &operator*=(Vec4F64 &a, double b) { a = a * b; return a; } +inline Vec2F64 operator/(Vec2F64 a, Vec2F64 b) { return { a.x / b.x, a.y / b.y, }; } +inline Vec2F64 &operator/=(Vec2F64 &a, Vec2F64 b) { a = a / b; return a; } +inline Vec2F64 operator/(Vec2F64 a, double b) { return { a.x / b, a.y / b, }; } +inline Vec2F64 operator/(double b, Vec2F64 a) { return { b / a.x, b / a.y, }; } +inline Vec2F64 &operator/=(Vec2F64 &a, double b) { a = a / b; return a; } +inline Vec3F64 operator/(Vec3F64 a, Vec3F64 b) { return { a.x / b.x, a.y / b.y, a.z / b.z, }; } +inline Vec3F64 &operator/=(Vec3F64 &a, Vec3F64 b) { a = a / b; return a; } +inline Vec3F64 operator/(Vec3F64 a, double b) { return { a.x / b, a.y / b, a.z / b, }; } +inline Vec3F64 operator/(double b, Vec3F64 a) { return { b / a.x, b / a.y, b / a.z, }; } +inline Vec3F64 &operator/=(Vec3F64 &a, double b) { a = a / b; return a; } +inline Vec4F64 operator/(Vec4F64 a, Vec4F64 b) { return { a.x / b.x, a.y / b.y, a.z / b.z, a.w / b.w, }; } +inline Vec4F64 &operator/=(Vec4F64 &a, Vec4F64 b) { a = a / b; return a; } +inline Vec4F64 operator/(Vec4F64 a, double b) { return { a.x / b, a.y / b, a.z / b, a.w / b, }; } +inline Vec4F64 operator/(double b, Vec4F64 a) { return { b / a.x, b / a.y, b / a.z, b / a.w, }; } +inline Vec4F64 &operator/=(Vec4F64 &a, double b) { a = a / b; return a; } +inline Vec2F64 operator+(Vec2F64 a, Vec2F64 b) { return { a.x + b.x, a.y + b.y, }; } +inline Vec2F64 &operator+=(Vec2F64 &a, Vec2F64 b) { a = a + b; return a; } +inline Vec2F64 operator+(Vec2F64 a, double b) { return { a.x + b, a.y + b, }; } +inline Vec2F64 operator+(double b, Vec2F64 a) { return { a.x + b, a.y + b, }; } +inline Vec2F64 &operator+=(Vec2F64 &a, double b) { a = a + b; return a; } +inline Vec3F64 operator+(Vec3F64 a, Vec3F64 b) { return { a.x + b.x, a.y + b.y, a.z + b.z, }; } +inline Vec3F64 &operator+=(Vec3F64 &a, Vec3F64 b) { a = a + b; return a; } +inline Vec3F64 operator+(Vec3F64 a, double b) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3F64 operator+(double b, Vec3F64 a) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3F64 &operator+=(Vec3F64 &a, double b) { a = a + b; return a; } +inline Vec4F64 operator+(Vec4F64 a, Vec4F64 b) { return { a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w, }; } +inline Vec4F64 &operator+=(Vec4F64 &a, Vec4F64 b) { a = a + b; return a; } +inline Vec4F64 operator+(Vec4F64 a, double b) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4F64 operator+(double b, Vec4F64 a) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4F64 &operator+=(Vec4F64 &a, double b) { a = a + b; return a; } +inline Vec2F64 operator-(Vec2F64 a, Vec2F64 b) { return { a.x - b.x, a.y - b.y, }; } +inline Vec2F64 &operator-=(Vec2F64 &a, Vec2F64 b) { a = a - b; return a; } +inline Vec2F64 operator-(Vec2F64 a, double b) { return { a.x - b, a.y - b, }; } +inline Vec2F64 operator-(double b, Vec2F64 a) { return { b - a.x, b - a.y, }; } +inline Vec2F64 &operator-=(Vec2F64 &a, double b) { a = a - b; return a; } +inline Vec3F64 operator-(Vec3F64 a, Vec3F64 b) { return { a.x - b.x, a.y - b.y, a.z - b.z, }; } +inline Vec3F64 &operator-=(Vec3F64 &a, Vec3F64 b) { a = a - b; return a; } +inline Vec3F64 operator-(Vec3F64 a, double b) { return { a.x - b, a.y - b, a.z - b, }; } +inline Vec3F64 operator-(double b, Vec3F64 a) { return { b - a.x, b - a.y, b - a.z, }; } +inline Vec3F64 &operator-=(Vec3F64 &a, double b) { a = a - b; return a; } +inline Vec4F64 operator-(Vec4F64 a, Vec4F64 b) { return { a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w, }; } +inline Vec4F64 &operator-=(Vec4F64 &a, Vec4F64 b) { a = a - b; return a; } +inline Vec4F64 operator-(Vec4F64 a, double b) { return { a.x - b, a.y - b, a.z - b, a.w - b, }; } +inline Vec4F64 operator-(double b, Vec4F64 a) { return { b - a.x, b - a.y, b - a.z, b - a.w, }; } +inline Vec4F64 &operator-=(Vec4F64 &a, double b) { a = a - b; return a; } +/*END*/ + +inline Vec2I64 operator-(Vec2I64 a) { return { -a.x, -a.y }; } +inline Vec3I64 operator-(Vec3I64 a) { return { -a.x, -a.y ,-a.z }; } +inline Vec4I64 operator-(Vec4I64 a) { return { -a.x, -a.y ,-a.z ,-a.w }; } +inline Vec2I64 operator*(Vec2I64 a, Vec2I64 b) { return { a.x * b.x, a.y * b.y, }; } +inline Vec2I64 &operator*=(Vec2I64 &a, Vec2I64 b) { a = a * b; return a; } +inline Vec2I64 operator*(Vec2I64 a, int64_t b) { return { a.x * b, a.y * b, }; } +inline Vec2I64 operator*(int64_t b, Vec2I64 a) { return { a.x * b, a.y * b, }; } +inline Vec2I64 &operator*=(Vec2I64 &a, int64_t b) { a = a * b; return a; } +inline Vec3I64 operator*(Vec3I64 a, Vec3I64 b) { return { a.x * b.x, a.y * b.y, a.z * b.z, }; } +inline Vec3I64 &operator*=(Vec3I64 &a, Vec3I64 b) { a = a * b; return a; } +inline Vec3I64 operator*(Vec3I64 a, int64_t b) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3I64 operator*(int64_t b, Vec3I64 a) { return { a.x * b, a.y * b, a.z * b, }; } +inline Vec3I64 &operator*=(Vec3I64 &a, int64_t b) { a = a * b; return a; } +inline Vec4I64 operator*(Vec4I64 a, Vec4I64 b) { return { a.x * b.x, a.y * b.y, a.z * b.z, a.w * b.w, }; } +inline Vec4I64 &operator*=(Vec4I64 &a, Vec4I64 b) { a = a * b; return a; } +inline Vec4I64 operator*(Vec4I64 a, int64_t b) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4I64 operator*(int64_t b, Vec4I64 a) { return { a.x * b, a.y * b, a.z * b, a.w * b, }; } +inline Vec4I64 &operator*=(Vec4I64 &a, int64_t b) { a = a * b; return a; } +inline Vec2I64 operator/(Vec2I64 a, Vec2I64 b) { return { a.x / b.x, a.y / b.y, }; } +inline Vec2I64 &operator/=(Vec2I64 &a, Vec2I64 b) { a = a / b; return a; } +inline Vec2I64 operator/(Vec2I64 a, int64_t b) { return { a.x / b, a.y / b, }; } +inline Vec2I64 operator/(int64_t b, Vec2I64 a) { return { b / a.x, b / a.y, }; } +inline Vec2I64 &operator/=(Vec2I64 &a, int64_t b) { a = a / b; return a; } +inline Vec3I64 operator/(Vec3I64 a, Vec3I64 b) { return { a.x / b.x, a.y / b.y, a.z / b.z, }; } +inline Vec3I64 &operator/=(Vec3I64 &a, Vec3I64 b) { a = a / b; return a; } +inline Vec3I64 operator/(Vec3I64 a, int64_t b) { return { a.x / b, a.y / b, a.z / b, }; } +inline Vec3I64 operator/(int64_t b, Vec3I64 a) { return { b / a.x, b / a.y, b / a.z, }; } +inline Vec3I64 &operator/=(Vec3I64 &a, int64_t b) { a = a / b; return a; } +inline Vec4I64 operator/(Vec4I64 a, Vec4I64 b) { return { a.x / b.x, a.y / b.y, a.z / b.z, a.w / b.w, }; } +inline Vec4I64 &operator/=(Vec4I64 &a, Vec4I64 b) { a = a / b; return a; } +inline Vec4I64 operator/(Vec4I64 a, int64_t b) { return { a.x / b, a.y / b, a.z / b, a.w / b, }; } +inline Vec4I64 operator/(int64_t b, Vec4I64 a) { return { b / a.x, b / a.y, b / a.z, b / a.w, }; } +inline Vec4I64 &operator/=(Vec4I64 &a, int64_t b) { a = a / b; return a; } +inline Vec2I64 operator+(Vec2I64 a, Vec2I64 b) { return { a.x + b.x, a.y + b.y, }; } +inline Vec2I64 &operator+=(Vec2I64 &a, Vec2I64 b) { a = a + b; return a; } +inline Vec2I64 operator+(Vec2I64 a, int64_t b) { return { a.x + b, a.y + b, }; } +inline Vec2I64 operator+(int64_t b, Vec2I64 a) { return { a.x + b, a.y + b, }; } +inline Vec2I64 &operator+=(Vec2I64 &a, int64_t b) { a = a + b; return a; } +inline Vec3I64 operator+(Vec3I64 a, Vec3I64 b) { return { a.x + b.x, a.y + b.y, a.z + b.z, }; } +inline Vec3I64 &operator+=(Vec3I64 &a, Vec3I64 b) { a = a + b; return a; } +inline Vec3I64 operator+(Vec3I64 a, int64_t b) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3I64 operator+(int64_t b, Vec3I64 a) { return { a.x + b, a.y + b, a.z + b, }; } +inline Vec3I64 &operator+=(Vec3I64 &a, int64_t b) { a = a + b; return a; } +inline Vec4I64 operator+(Vec4I64 a, Vec4I64 b) { return { a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w, }; } +inline Vec4I64 &operator+=(Vec4I64 &a, Vec4I64 b) { a = a + b; return a; } +inline Vec4I64 operator+(Vec4I64 a, int64_t b) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4I64 operator+(int64_t b, Vec4I64 a) { return { a.x + b, a.y + b, a.z + b, a.w + b, }; } +inline Vec4I64 &operator+=(Vec4I64 &a, int64_t b) { a = a + b; return a; } +inline Vec2I64 operator-(Vec2I64 a, Vec2I64 b) { return { a.x - b.x, a.y - b.y, }; } +inline Vec2I64 &operator-=(Vec2I64 &a, Vec2I64 b) { a = a - b; return a; } +inline Vec2I64 operator-(Vec2I64 a, int64_t b) { return { a.x - b, a.y - b, }; } +inline Vec2I64 operator-(int64_t b, Vec2I64 a) { return { b - a.x, b - a.y, }; } +inline Vec2I64 &operator-=(Vec2I64 &a, int64_t b) { a = a - b; return a; } +inline Vec3I64 operator-(Vec3I64 a, Vec3I64 b) { return { a.x - b.x, a.y - b.y, a.z - b.z, }; } +inline Vec3I64 &operator-=(Vec3I64 &a, Vec3I64 b) { a = a - b; return a; } +inline Vec3I64 operator-(Vec3I64 a, int64_t b) { return { a.x - b, a.y - b, a.z - b, }; } +inline Vec3I64 operator-(int64_t b, Vec3I64 a) { return { b - a.x, b - a.y, b - a.z, }; } +inline Vec3I64 &operator-=(Vec3I64 &a, int64_t b) { a = a - b; return a; } +inline Vec4I64 operator-(Vec4I64 a, Vec4I64 b) { return { a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w, }; } +inline Vec4I64 &operator-=(Vec4I64 &a, Vec4I64 b) { a = a - b; return a; } +inline Vec4I64 operator-(Vec4I64 a, int64_t b) { return { a.x - b, a.y - b, a.z - b, a.w - b, }; } +inline Vec4I64 operator-(int64_t b, Vec4I64 a) { return { b - a.x, b - a.y, b - a.z, b - a.w, }; } +inline Vec4I64 &operator-=(Vec4I64 &a, int64_t b) { a = a - b; return a; } + +inline Rect2F64 Rect2_Center(Vec2F64 center, Vec2F64 halfdim) { return {center.x - halfdim.x, center.y - halfdim.y, center.x + halfdim.x, center.y + halfdim.y}; } +inline Vec2F64 CalcSize(Rect2F64 r) { return { r.max.x - r.min.x, r.max.y - r.min.y }; } +inline Rect2F64 Rect2_Size(double x, double y, double w, double h) { return { x, y, x + w, y + h }; } +inline Rect2F64 Rect2_Size(Vec2F64 pos, Vec2F64 size) { return { pos.x, pos.y, pos.x + size.w, pos.y + size.h }; } +inline Rect2F64 Rect2_MinMax(Vec2F64 p0, Vec2F64 p1) { return {p0.x, p0.y, p1.x, p1.y }; } +inline Rect2F64 ShrinkByHalfSize(Rect2F64 rect, Vec2F64 half_size) { return {rect.min.x + half_size.x, rect.min.y + half_size.y, rect.max.x - half_size.x, rect.max.y - half_size.y}; } +inline Rect2F64 ExpandByHalfSize(Rect2F64 rect, Vec2F64 half_size) { return {rect.min.x - half_size.x, rect.min.y - half_size.y, rect.max.x + half_size.x, rect.max.y + half_size.y}; } + +inline Rect2F64 Rect2_AdjustMinMax(Vec2F64 p0, Vec2F64 p1) { + Rect2F64 result = { + Minimum(p0.x, p1.x), Minimum(p0.y, p1.y), + Maximum(p0.x, p1.x), Maximum(p0.y, p1.y), + }; + return result; +} + +inline double GetXSize(Rect2F64 r) { return r.max.x - r.min.x; } +inline double GetYSize(Rect2F64 r) { return r.max.y - r.min.y; } +inline Vec2F64 GetSize(Rect2F64 r) { return r.max - r.min; } + +inline double Lerp(double from, double to, double t) {return (1-t)*from + t*to;} +inline Vec2F64 Lerp(Vec2F64 from, Vec2F64 to, double t) {return (1-t)*from + t*to;} +inline Vec3F64 Lerp(Vec3F64 from, Vec3F64 to, double t) {return (1-t)*from + t*to;} +inline Vec4F64 Lerp(Vec4F64 from, Vec4F64 to, double t) {return (1-t)*from + t*to;} + +inline Vec2 Vec2F64ToVec2(Vec2F64 a) {return Vec2{(float)a.x, (float)a.y};} +inline Rect2 Rect2F64ToRect2(Rect2F64 a) { return Rect2{(float)a.min.x, (float)a.min.y, (float)a.max.x, (float)a.max.y}; } diff --git a/src/vendor/glad/glad.c b/src/vendor/glad/glad.c new file mode 100755 index 0000000..45f4fbb --- /dev/null +++ b/src/vendor/glad/glad.c @@ -0,0 +1,1819 @@ +/* + + OpenGL loader generated by glad 0.1.36 on Sat Dec 10 19:12:52 2022. + + Language/Generator: C/C++ + Specification: gl + APIs: gl=4.5 + Profile: core + Extensions: + + Loader: True + Local files: False + Omit khrplatform: False + Reproducible: False + + Commandline: + --profile="core" --api="gl=4.5" --generator="c" --spec="gl" --extensions="" + Online: + https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D4.5 +*/ + +#include +#include +#include +#include "glad.h" + +static void* get_proc(const char *namez); + +#if defined(_WIN32) || defined(__CYGWIN__) +#ifndef _WINDOWS_ +#undef APIENTRY +#endif +#include +static HMODULE libGL; + +typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*); +static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr; + +#ifdef _MSC_VER +#ifdef __has_include + #if __has_include() + #define HAVE_WINAPIFAMILY 1 + #endif +#elif _MSC_VER >= 1700 && !_USING_V110_SDK71_ + #define HAVE_WINAPIFAMILY 1 +#endif +#endif + +#ifdef HAVE_WINAPIFAMILY + #include + #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) + #define IS_UWP 1 + #endif +#endif + +static +int open_gl(void) { +#ifndef IS_UWP + libGL = LoadLibraryW(L"opengl32.dll"); + if(libGL != NULL) { + void (* tmp)(void); + tmp = (void(*)(void)) GetProcAddress(libGL, "wglGetProcAddress"); + gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE) tmp; + return gladGetProcAddressPtr != NULL; + } +#endif + + return 0; +} + +static +void close_gl(void) { + if(libGL != NULL) { + FreeLibrary((HMODULE) libGL); + libGL = NULL; + } +} +#else +#include +static void* libGL; + +#if !defined(__APPLE__) && !defined(__HAIKU__) +typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*); +static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr; +#endif + +static +int open_gl(void) { +#ifdef __APPLE__ + static const char *NAMES[] = { + "../Frameworks/OpenGL.framework/OpenGL", + "/Library/Frameworks/OpenGL.framework/OpenGL", + "/System/Library/Frameworks/OpenGL.framework/OpenGL", + "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL" + }; +#else + static const char *NAMES[] = {"libGL.so.1", "libGL.so"}; +#endif + + unsigned int index = 0; + for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) { + libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL); + + if(libGL != NULL) { +#if defined(__APPLE__) || defined(__HAIKU__) + return 1; +#else + gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL, + "glXGetProcAddressARB"); + return gladGetProcAddressPtr != NULL; +#endif + } + } + + return 0; +} + +static +void close_gl(void) { + if(libGL != NULL) { + dlclose(libGL); + libGL = NULL; + } +} +#endif + +static +void* get_proc(const char *namez) { + void* result = NULL; + if(libGL == NULL) return NULL; + +#if !defined(__APPLE__) && !defined(__HAIKU__) + if(gladGetProcAddressPtr != NULL) { + result = gladGetProcAddressPtr(namez); + } +#endif + if(result == NULL) { +#if defined(_WIN32) || defined(__CYGWIN__) + result = (void*)GetProcAddress((HMODULE) libGL, namez); +#else + result = dlsym(libGL, namez); +#endif + } + + return result; +} + +int gladLoadGL(void) { + int status = 0; + + if(open_gl()) { + status = gladLoadGLLoader(&get_proc); + close_gl(); + } + + return status; +} + +struct gladGLversionStruct GLVersion = { 0, 0 }; + +#if defined(GL_ES_VERSION_3_0) || defined(GL_VERSION_3_0) +#define _GLAD_IS_SOME_NEW_VERSION 1 +#endif + +static int max_loaded_major; +static int max_loaded_minor; + +static const char *exts = NULL; +static int num_exts_i = 0; +static char **exts_i = NULL; + +static int get_exts(void) { +#ifdef _GLAD_IS_SOME_NEW_VERSION + if(max_loaded_major < 3) { +#endif + exts = (const char *)glGetString(GL_EXTENSIONS); +#ifdef _GLAD_IS_SOME_NEW_VERSION + } else { + unsigned int index; + + num_exts_i = 0; + glGetIntegerv(GL_NUM_EXTENSIONS, &num_exts_i); + if (num_exts_i > 0) { + exts_i = (char **)malloc((size_t)num_exts_i * (sizeof *exts_i)); + } + + if (exts_i == NULL) { + return 0; + } + + for(index = 0; index < (unsigned)num_exts_i; index++) { + const char *gl_str_tmp = (const char*)glGetStringi(GL_EXTENSIONS, index); + size_t len = strlen(gl_str_tmp); + + char *local_str = (char*)malloc((len+1) * sizeof(char)); + if(local_str != NULL) { + memcpy(local_str, gl_str_tmp, (len+1) * sizeof(char)); + } + exts_i[index] = local_str; + } + } +#endif + return 1; +} + +static void free_exts(void) { + if (exts_i != NULL) { + int index; + for(index = 0; index < num_exts_i; index++) { + free((char *)exts_i[index]); + } + free((void *)exts_i); + exts_i = NULL; + } +} + +static int has_ext(const char *ext) { +#ifdef _GLAD_IS_SOME_NEW_VERSION + if(max_loaded_major < 3) { +#endif + const char *extensions; + const char *loc; + const char *terminator; + extensions = exts; + if(extensions == NULL || ext == NULL) { + return 0; + } + + while(1) { + loc = strstr(extensions, ext); + if(loc == NULL) { + return 0; + } + + terminator = loc + strlen(ext); + if((loc == extensions || *(loc - 1) == ' ') && + (*terminator == ' ' || *terminator == '\0')) { + return 1; + } + extensions = terminator; + } +#ifdef _GLAD_IS_SOME_NEW_VERSION + } else { + int index; + if(exts_i == NULL) return 0; + for(index = 0; index < num_exts_i; index++) { + const char *e = exts_i[index]; + + if(exts_i[index] != NULL && strcmp(e, ext) == 0) { + return 1; + } + } + } +#endif + + return 0; +} +int GLAD_GL_VERSION_1_0 = 0; +int GLAD_GL_VERSION_1_1 = 0; +int GLAD_GL_VERSION_1_2 = 0; +int GLAD_GL_VERSION_1_3 = 0; +int GLAD_GL_VERSION_1_4 = 0; +int GLAD_GL_VERSION_1_5 = 0; +int GLAD_GL_VERSION_2_0 = 0; +int GLAD_GL_VERSION_2_1 = 0; +int GLAD_GL_VERSION_3_0 = 0; +int GLAD_GL_VERSION_3_1 = 0; +int GLAD_GL_VERSION_3_2 = 0; +int GLAD_GL_VERSION_3_3 = 0; +int GLAD_GL_VERSION_4_0 = 0; +int GLAD_GL_VERSION_4_1 = 0; +int GLAD_GL_VERSION_4_2 = 0; +int GLAD_GL_VERSION_4_3 = 0; +int GLAD_GL_VERSION_4_4 = 0; +int GLAD_GL_VERSION_4_5 = 0; +PFNGLACTIVESHADERPROGRAMPROC glad_glActiveShaderProgram = NULL; +PFNGLACTIVETEXTUREPROC glad_glActiveTexture = NULL; +PFNGLATTACHSHADERPROC glad_glAttachShader = NULL; +PFNGLBEGINCONDITIONALRENDERPROC glad_glBeginConditionalRender = NULL; +PFNGLBEGINQUERYPROC glad_glBeginQuery = NULL; +PFNGLBEGINQUERYINDEXEDPROC glad_glBeginQueryIndexed = NULL; +PFNGLBEGINTRANSFORMFEEDBACKPROC glad_glBeginTransformFeedback = NULL; +PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation = NULL; +PFNGLBINDBUFFERPROC glad_glBindBuffer = NULL; +PFNGLBINDBUFFERBASEPROC glad_glBindBufferBase = NULL; +PFNGLBINDBUFFERRANGEPROC glad_glBindBufferRange = NULL; +PFNGLBINDBUFFERSBASEPROC glad_glBindBuffersBase = NULL; +PFNGLBINDBUFFERSRANGEPROC glad_glBindBuffersRange = NULL; +PFNGLBINDFRAGDATALOCATIONPROC glad_glBindFragDataLocation = NULL; +PFNGLBINDFRAGDATALOCATIONINDEXEDPROC glad_glBindFragDataLocationIndexed = NULL; +PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer = NULL; +PFNGLBINDIMAGETEXTUREPROC glad_glBindImageTexture = NULL; +PFNGLBINDIMAGETEXTURESPROC glad_glBindImageTextures = NULL; +PFNGLBINDPROGRAMPIPELINEPROC glad_glBindProgramPipeline = NULL; +PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer = NULL; +PFNGLBINDSAMPLERPROC glad_glBindSampler = NULL; +PFNGLBINDSAMPLERSPROC glad_glBindSamplers = NULL; +PFNGLBINDTEXTUREPROC glad_glBindTexture = NULL; +PFNGLBINDTEXTUREUNITPROC glad_glBindTextureUnit = NULL; +PFNGLBINDTEXTURESPROC glad_glBindTextures = NULL; +PFNGLBINDTRANSFORMFEEDBACKPROC glad_glBindTransformFeedback = NULL; +PFNGLBINDVERTEXARRAYPROC glad_glBindVertexArray = NULL; +PFNGLBINDVERTEXBUFFERPROC glad_glBindVertexBuffer = NULL; +PFNGLBINDVERTEXBUFFERSPROC glad_glBindVertexBuffers = NULL; +PFNGLBLENDCOLORPROC glad_glBlendColor = NULL; +PFNGLBLENDEQUATIONPROC glad_glBlendEquation = NULL; +PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate = NULL; +PFNGLBLENDEQUATIONSEPARATEIPROC glad_glBlendEquationSeparatei = NULL; +PFNGLBLENDEQUATIONIPROC glad_glBlendEquationi = NULL; +PFNGLBLENDFUNCPROC glad_glBlendFunc = NULL; +PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate = NULL; +PFNGLBLENDFUNCSEPARATEIPROC glad_glBlendFuncSeparatei = NULL; +PFNGLBLENDFUNCIPROC glad_glBlendFunci = NULL; +PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer = NULL; +PFNGLBLITNAMEDFRAMEBUFFERPROC glad_glBlitNamedFramebuffer = NULL; +PFNGLBUFFERDATAPROC glad_glBufferData = NULL; +PFNGLBUFFERSTORAGEPROC glad_glBufferStorage = NULL; +PFNGLBUFFERSUBDATAPROC glad_glBufferSubData = NULL; +PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus = NULL; +PFNGLCHECKNAMEDFRAMEBUFFERSTATUSPROC glad_glCheckNamedFramebufferStatus = NULL; +PFNGLCLAMPCOLORPROC glad_glClampColor = NULL; +PFNGLCLEARPROC glad_glClear = NULL; +PFNGLCLEARBUFFERDATAPROC glad_glClearBufferData = NULL; +PFNGLCLEARBUFFERSUBDATAPROC glad_glClearBufferSubData = NULL; +PFNGLCLEARBUFFERFIPROC glad_glClearBufferfi = NULL; +PFNGLCLEARBUFFERFVPROC glad_glClearBufferfv = NULL; +PFNGLCLEARBUFFERIVPROC glad_glClearBufferiv = NULL; +PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv = NULL; +PFNGLCLEARCOLORPROC glad_glClearColor = NULL; +PFNGLCLEARDEPTHPROC glad_glClearDepth = NULL; +PFNGLCLEARDEPTHFPROC glad_glClearDepthf = NULL; +PFNGLCLEARNAMEDBUFFERDATAPROC glad_glClearNamedBufferData = NULL; +PFNGLCLEARNAMEDBUFFERSUBDATAPROC glad_glClearNamedBufferSubData = NULL; +PFNGLCLEARNAMEDFRAMEBUFFERFIPROC glad_glClearNamedFramebufferfi = NULL; +PFNGLCLEARNAMEDFRAMEBUFFERFVPROC glad_glClearNamedFramebufferfv = NULL; +PFNGLCLEARNAMEDFRAMEBUFFERIVPROC glad_glClearNamedFramebufferiv = NULL; +PFNGLCLEARNAMEDFRAMEBUFFERUIVPROC glad_glClearNamedFramebufferuiv = NULL; +PFNGLCLEARSTENCILPROC glad_glClearStencil = NULL; +PFNGLCLEARTEXIMAGEPROC glad_glClearTexImage = NULL; +PFNGLCLEARTEXSUBIMAGEPROC glad_glClearTexSubImage = NULL; +PFNGLCLIENTWAITSYNCPROC glad_glClientWaitSync = NULL; +PFNGLCLIPCONTROLPROC glad_glClipControl = NULL; +PFNGLCOLORMASKPROC glad_glColorMask = NULL; +PFNGLCOLORMASKIPROC glad_glColorMaski = NULL; +PFNGLCOLORP3UIPROC glad_glColorP3ui = NULL; +PFNGLCOLORP3UIVPROC glad_glColorP3uiv = NULL; +PFNGLCOLORP4UIPROC glad_glColorP4ui = NULL; +PFNGLCOLORP4UIVPROC glad_glColorP4uiv = NULL; +PFNGLCOMPILESHADERPROC glad_glCompileShader = NULL; +PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D = NULL; +PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D = NULL; +PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D = NULL; +PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D = NULL; +PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D = NULL; +PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D = NULL; +PFNGLCOMPRESSEDTEXTURESUBIMAGE1DPROC glad_glCompressedTextureSubImage1D = NULL; +PFNGLCOMPRESSEDTEXTURESUBIMAGE2DPROC glad_glCompressedTextureSubImage2D = NULL; +PFNGLCOMPRESSEDTEXTURESUBIMAGE3DPROC glad_glCompressedTextureSubImage3D = NULL; +PFNGLCOPYBUFFERSUBDATAPROC glad_glCopyBufferSubData = NULL; +PFNGLCOPYIMAGESUBDATAPROC glad_glCopyImageSubData = NULL; +PFNGLCOPYNAMEDBUFFERSUBDATAPROC glad_glCopyNamedBufferSubData = NULL; +PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D = NULL; +PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D = NULL; +PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D = NULL; +PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D = NULL; +PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D = NULL; +PFNGLCOPYTEXTURESUBIMAGE1DPROC glad_glCopyTextureSubImage1D = NULL; +PFNGLCOPYTEXTURESUBIMAGE2DPROC glad_glCopyTextureSubImage2D = NULL; +PFNGLCOPYTEXTURESUBIMAGE3DPROC glad_glCopyTextureSubImage3D = NULL; +PFNGLCREATEBUFFERSPROC glad_glCreateBuffers = NULL; +PFNGLCREATEFRAMEBUFFERSPROC glad_glCreateFramebuffers = NULL; +PFNGLCREATEPROGRAMPROC glad_glCreateProgram = NULL; +PFNGLCREATEPROGRAMPIPELINESPROC glad_glCreateProgramPipelines = NULL; +PFNGLCREATEQUERIESPROC glad_glCreateQueries = NULL; +PFNGLCREATERENDERBUFFERSPROC glad_glCreateRenderbuffers = NULL; +PFNGLCREATESAMPLERSPROC glad_glCreateSamplers = NULL; +PFNGLCREATESHADERPROC glad_glCreateShader = NULL; +PFNGLCREATESHADERPROGRAMVPROC glad_glCreateShaderProgramv = NULL; +PFNGLCREATETEXTURESPROC glad_glCreateTextures = NULL; +PFNGLCREATETRANSFORMFEEDBACKSPROC glad_glCreateTransformFeedbacks = NULL; +PFNGLCREATEVERTEXARRAYSPROC glad_glCreateVertexArrays = NULL; +PFNGLCULLFACEPROC glad_glCullFace = NULL; +PFNGLDEBUGMESSAGECALLBACKPROC glad_glDebugMessageCallback = NULL; +PFNGLDEBUGMESSAGECONTROLPROC glad_glDebugMessageControl = NULL; +PFNGLDEBUGMESSAGEINSERTPROC glad_glDebugMessageInsert = NULL; +PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers = NULL; +PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers = NULL; +PFNGLDELETEPROGRAMPROC glad_glDeleteProgram = NULL; +PFNGLDELETEPROGRAMPIPELINESPROC glad_glDeleteProgramPipelines = NULL; +PFNGLDELETEQUERIESPROC glad_glDeleteQueries = NULL; +PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers = NULL; +PFNGLDELETESAMPLERSPROC glad_glDeleteSamplers = NULL; +PFNGLDELETESHADERPROC glad_glDeleteShader = NULL; +PFNGLDELETESYNCPROC glad_glDeleteSync = NULL; +PFNGLDELETETEXTURESPROC glad_glDeleteTextures = NULL; +PFNGLDELETETRANSFORMFEEDBACKSPROC glad_glDeleteTransformFeedbacks = NULL; +PFNGLDELETEVERTEXARRAYSPROC glad_glDeleteVertexArrays = NULL; +PFNGLDEPTHFUNCPROC glad_glDepthFunc = NULL; +PFNGLDEPTHMASKPROC glad_glDepthMask = NULL; +PFNGLDEPTHRANGEPROC glad_glDepthRange = NULL; +PFNGLDEPTHRANGEARRAYVPROC glad_glDepthRangeArrayv = NULL; +PFNGLDEPTHRANGEINDEXEDPROC glad_glDepthRangeIndexed = NULL; +PFNGLDEPTHRANGEFPROC glad_glDepthRangef = NULL; +PFNGLDETACHSHADERPROC glad_glDetachShader = NULL; +PFNGLDISABLEPROC glad_glDisable = NULL; +PFNGLDISABLEVERTEXARRAYATTRIBPROC glad_glDisableVertexArrayAttrib = NULL; +PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray = NULL; +PFNGLDISABLEIPROC glad_glDisablei = NULL; +PFNGLDISPATCHCOMPUTEPROC glad_glDispatchCompute = NULL; +PFNGLDISPATCHCOMPUTEINDIRECTPROC glad_glDispatchComputeIndirect = NULL; +PFNGLDRAWARRAYSPROC glad_glDrawArrays = NULL; +PFNGLDRAWARRAYSINDIRECTPROC glad_glDrawArraysIndirect = NULL; +PFNGLDRAWARRAYSINSTANCEDPROC glad_glDrawArraysInstanced = NULL; +PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC glad_glDrawArraysInstancedBaseInstance = NULL; +PFNGLDRAWBUFFERPROC glad_glDrawBuffer = NULL; +PFNGLDRAWBUFFERSPROC glad_glDrawBuffers = NULL; +PFNGLDRAWELEMENTSPROC glad_glDrawElements = NULL; +PFNGLDRAWELEMENTSBASEVERTEXPROC glad_glDrawElementsBaseVertex = NULL; +PFNGLDRAWELEMENTSINDIRECTPROC glad_glDrawElementsIndirect = NULL; +PFNGLDRAWELEMENTSINSTANCEDPROC glad_glDrawElementsInstanced = NULL; +PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC glad_glDrawElementsInstancedBaseInstance = NULL; +PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glad_glDrawElementsInstancedBaseVertex = NULL; +PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC glad_glDrawElementsInstancedBaseVertexBaseInstance = NULL; +PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements = NULL; +PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glad_glDrawRangeElementsBaseVertex = NULL; +PFNGLDRAWTRANSFORMFEEDBACKPROC glad_glDrawTransformFeedback = NULL; +PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC glad_glDrawTransformFeedbackInstanced = NULL; +PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC glad_glDrawTransformFeedbackStream = NULL; +PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC glad_glDrawTransformFeedbackStreamInstanced = NULL; +PFNGLENABLEPROC glad_glEnable = NULL; +PFNGLENABLEVERTEXARRAYATTRIBPROC glad_glEnableVertexArrayAttrib = NULL; +PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray = NULL; +PFNGLENABLEIPROC glad_glEnablei = NULL; +PFNGLENDCONDITIONALRENDERPROC glad_glEndConditionalRender = NULL; +PFNGLENDQUERYPROC glad_glEndQuery = NULL; +PFNGLENDQUERYINDEXEDPROC glad_glEndQueryIndexed = NULL; +PFNGLENDTRANSFORMFEEDBACKPROC glad_glEndTransformFeedback = NULL; +PFNGLFENCESYNCPROC glad_glFenceSync = NULL; +PFNGLFINISHPROC glad_glFinish = NULL; +PFNGLFLUSHPROC glad_glFlush = NULL; +PFNGLFLUSHMAPPEDBUFFERRANGEPROC glad_glFlushMappedBufferRange = NULL; +PFNGLFLUSHMAPPEDNAMEDBUFFERRANGEPROC glad_glFlushMappedNamedBufferRange = NULL; +PFNGLFRAMEBUFFERPARAMETERIPROC glad_glFramebufferParameteri = NULL; +PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer = NULL; +PFNGLFRAMEBUFFERTEXTUREPROC glad_glFramebufferTexture = NULL; +PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D = NULL; +PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D = NULL; +PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D = NULL; +PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer = NULL; +PFNGLFRONTFACEPROC glad_glFrontFace = NULL; +PFNGLGENBUFFERSPROC glad_glGenBuffers = NULL; +PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers = NULL; +PFNGLGENPROGRAMPIPELINESPROC glad_glGenProgramPipelines = NULL; +PFNGLGENQUERIESPROC glad_glGenQueries = NULL; +PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers = NULL; +PFNGLGENSAMPLERSPROC glad_glGenSamplers = NULL; +PFNGLGENTEXTURESPROC glad_glGenTextures = NULL; +PFNGLGENTRANSFORMFEEDBACKSPROC glad_glGenTransformFeedbacks = NULL; +PFNGLGENVERTEXARRAYSPROC glad_glGenVertexArrays = NULL; +PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap = NULL; +PFNGLGENERATETEXTUREMIPMAPPROC glad_glGenerateTextureMipmap = NULL; +PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC glad_glGetActiveAtomicCounterBufferiv = NULL; +PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib = NULL; +PFNGLGETACTIVESUBROUTINENAMEPROC glad_glGetActiveSubroutineName = NULL; +PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC glad_glGetActiveSubroutineUniformName = NULL; +PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC glad_glGetActiveSubroutineUniformiv = NULL; +PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform = NULL; +PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glad_glGetActiveUniformBlockName = NULL; +PFNGLGETACTIVEUNIFORMBLOCKIVPROC glad_glGetActiveUniformBlockiv = NULL; +PFNGLGETACTIVEUNIFORMNAMEPROC glad_glGetActiveUniformName = NULL; +PFNGLGETACTIVEUNIFORMSIVPROC glad_glGetActiveUniformsiv = NULL; +PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders = NULL; +PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation = NULL; +PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v = NULL; +PFNGLGETBOOLEANVPROC glad_glGetBooleanv = NULL; +PFNGLGETBUFFERPARAMETERI64VPROC glad_glGetBufferParameteri64v = NULL; +PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv = NULL; +PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv = NULL; +PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData = NULL; +PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage = NULL; +PFNGLGETCOMPRESSEDTEXTUREIMAGEPROC glad_glGetCompressedTextureImage = NULL; +PFNGLGETCOMPRESSEDTEXTURESUBIMAGEPROC glad_glGetCompressedTextureSubImage = NULL; +PFNGLGETDEBUGMESSAGELOGPROC glad_glGetDebugMessageLog = NULL; +PFNGLGETDOUBLEI_VPROC glad_glGetDoublei_v = NULL; +PFNGLGETDOUBLEVPROC glad_glGetDoublev = NULL; +PFNGLGETERRORPROC glad_glGetError = NULL; +PFNGLGETFLOATI_VPROC glad_glGetFloati_v = NULL; +PFNGLGETFLOATVPROC glad_glGetFloatv = NULL; +PFNGLGETFRAGDATAINDEXPROC glad_glGetFragDataIndex = NULL; +PFNGLGETFRAGDATALOCATIONPROC glad_glGetFragDataLocation = NULL; +PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv = NULL; +PFNGLGETFRAMEBUFFERPARAMETERIVPROC glad_glGetFramebufferParameteriv = NULL; +PFNGLGETGRAPHICSRESETSTATUSPROC glad_glGetGraphicsResetStatus = NULL; +PFNGLGETINTEGER64I_VPROC glad_glGetInteger64i_v = NULL; +PFNGLGETINTEGER64VPROC glad_glGetInteger64v = NULL; +PFNGLGETINTEGERI_VPROC glad_glGetIntegeri_v = NULL; +PFNGLGETINTEGERVPROC glad_glGetIntegerv = NULL; +PFNGLGETINTERNALFORMATI64VPROC glad_glGetInternalformati64v = NULL; +PFNGLGETINTERNALFORMATIVPROC glad_glGetInternalformativ = NULL; +PFNGLGETMULTISAMPLEFVPROC glad_glGetMultisamplefv = NULL; +PFNGLGETNAMEDBUFFERPARAMETERI64VPROC glad_glGetNamedBufferParameteri64v = NULL; +PFNGLGETNAMEDBUFFERPARAMETERIVPROC glad_glGetNamedBufferParameteriv = NULL; +PFNGLGETNAMEDBUFFERPOINTERVPROC glad_glGetNamedBufferPointerv = NULL; +PFNGLGETNAMEDBUFFERSUBDATAPROC glad_glGetNamedBufferSubData = NULL; +PFNGLGETNAMEDFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetNamedFramebufferAttachmentParameteriv = NULL; +PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVPROC glad_glGetNamedFramebufferParameteriv = NULL; +PFNGLGETNAMEDRENDERBUFFERPARAMETERIVPROC glad_glGetNamedRenderbufferParameteriv = NULL; +PFNGLGETOBJECTLABELPROC glad_glGetObjectLabel = NULL; +PFNGLGETOBJECTPTRLABELPROC glad_glGetObjectPtrLabel = NULL; +PFNGLGETPOINTERVPROC glad_glGetPointerv = NULL; +PFNGLGETPROGRAMBINARYPROC glad_glGetProgramBinary = NULL; +PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog = NULL; +PFNGLGETPROGRAMINTERFACEIVPROC glad_glGetProgramInterfaceiv = NULL; +PFNGLGETPROGRAMPIPELINEINFOLOGPROC glad_glGetProgramPipelineInfoLog = NULL; +PFNGLGETPROGRAMPIPELINEIVPROC glad_glGetProgramPipelineiv = NULL; +PFNGLGETPROGRAMRESOURCEINDEXPROC glad_glGetProgramResourceIndex = NULL; +PFNGLGETPROGRAMRESOURCELOCATIONPROC glad_glGetProgramResourceLocation = NULL; +PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC glad_glGetProgramResourceLocationIndex = NULL; +PFNGLGETPROGRAMRESOURCENAMEPROC glad_glGetProgramResourceName = NULL; +PFNGLGETPROGRAMRESOURCEIVPROC glad_glGetProgramResourceiv = NULL; +PFNGLGETPROGRAMSTAGEIVPROC glad_glGetProgramStageiv = NULL; +PFNGLGETPROGRAMIVPROC glad_glGetProgramiv = NULL; +PFNGLGETQUERYBUFFEROBJECTI64VPROC glad_glGetQueryBufferObjecti64v = NULL; +PFNGLGETQUERYBUFFEROBJECTIVPROC glad_glGetQueryBufferObjectiv = NULL; +PFNGLGETQUERYBUFFEROBJECTUI64VPROC glad_glGetQueryBufferObjectui64v = NULL; +PFNGLGETQUERYBUFFEROBJECTUIVPROC glad_glGetQueryBufferObjectuiv = NULL; +PFNGLGETQUERYINDEXEDIVPROC glad_glGetQueryIndexediv = NULL; +PFNGLGETQUERYOBJECTI64VPROC glad_glGetQueryObjecti64v = NULL; +PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv = NULL; +PFNGLGETQUERYOBJECTUI64VPROC glad_glGetQueryObjectui64v = NULL; +PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv = NULL; +PFNGLGETQUERYIVPROC glad_glGetQueryiv = NULL; +PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv = NULL; +PFNGLGETSAMPLERPARAMETERIIVPROC glad_glGetSamplerParameterIiv = NULL; +PFNGLGETSAMPLERPARAMETERIUIVPROC glad_glGetSamplerParameterIuiv = NULL; +PFNGLGETSAMPLERPARAMETERFVPROC glad_glGetSamplerParameterfv = NULL; +PFNGLGETSAMPLERPARAMETERIVPROC glad_glGetSamplerParameteriv = NULL; +PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog = NULL; +PFNGLGETSHADERPRECISIONFORMATPROC glad_glGetShaderPrecisionFormat = NULL; +PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource = NULL; +PFNGLGETSHADERIVPROC glad_glGetShaderiv = NULL; +PFNGLGETSTRINGPROC glad_glGetString = NULL; +PFNGLGETSTRINGIPROC glad_glGetStringi = NULL; +PFNGLGETSUBROUTINEINDEXPROC glad_glGetSubroutineIndex = NULL; +PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC glad_glGetSubroutineUniformLocation = NULL; +PFNGLGETSYNCIVPROC glad_glGetSynciv = NULL; +PFNGLGETTEXIMAGEPROC glad_glGetTexImage = NULL; +PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv = NULL; +PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv = NULL; +PFNGLGETTEXPARAMETERIIVPROC glad_glGetTexParameterIiv = NULL; +PFNGLGETTEXPARAMETERIUIVPROC glad_glGetTexParameterIuiv = NULL; +PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv = NULL; +PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv = NULL; +PFNGLGETTEXTUREIMAGEPROC glad_glGetTextureImage = NULL; +PFNGLGETTEXTURELEVELPARAMETERFVPROC glad_glGetTextureLevelParameterfv = NULL; +PFNGLGETTEXTURELEVELPARAMETERIVPROC glad_glGetTextureLevelParameteriv = NULL; +PFNGLGETTEXTUREPARAMETERIIVPROC glad_glGetTextureParameterIiv = NULL; +PFNGLGETTEXTUREPARAMETERIUIVPROC glad_glGetTextureParameterIuiv = NULL; +PFNGLGETTEXTUREPARAMETERFVPROC glad_glGetTextureParameterfv = NULL; +PFNGLGETTEXTUREPARAMETERIVPROC glad_glGetTextureParameteriv = NULL; +PFNGLGETTEXTURESUBIMAGEPROC glad_glGetTextureSubImage = NULL; +PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glad_glGetTransformFeedbackVarying = NULL; +PFNGLGETTRANSFORMFEEDBACKI64_VPROC glad_glGetTransformFeedbacki64_v = NULL; +PFNGLGETTRANSFORMFEEDBACKI_VPROC glad_glGetTransformFeedbacki_v = NULL; +PFNGLGETTRANSFORMFEEDBACKIVPROC glad_glGetTransformFeedbackiv = NULL; +PFNGLGETUNIFORMBLOCKINDEXPROC glad_glGetUniformBlockIndex = NULL; +PFNGLGETUNIFORMINDICESPROC glad_glGetUniformIndices = NULL; +PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation = NULL; +PFNGLGETUNIFORMSUBROUTINEUIVPROC glad_glGetUniformSubroutineuiv = NULL; +PFNGLGETUNIFORMDVPROC glad_glGetUniformdv = NULL; +PFNGLGETUNIFORMFVPROC glad_glGetUniformfv = NULL; +PFNGLGETUNIFORMIVPROC glad_glGetUniformiv = NULL; +PFNGLGETUNIFORMUIVPROC glad_glGetUniformuiv = NULL; +PFNGLGETVERTEXARRAYINDEXED64IVPROC glad_glGetVertexArrayIndexed64iv = NULL; +PFNGLGETVERTEXARRAYINDEXEDIVPROC glad_glGetVertexArrayIndexediv = NULL; +PFNGLGETVERTEXARRAYIVPROC glad_glGetVertexArrayiv = NULL; +PFNGLGETVERTEXATTRIBIIVPROC glad_glGetVertexAttribIiv = NULL; +PFNGLGETVERTEXATTRIBIUIVPROC glad_glGetVertexAttribIuiv = NULL; +PFNGLGETVERTEXATTRIBLDVPROC glad_glGetVertexAttribLdv = NULL; +PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv = NULL; +PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv = NULL; +PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv = NULL; +PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv = NULL; +PFNGLGETNCOLORTABLEPROC glad_glGetnColorTable = NULL; +PFNGLGETNCOMPRESSEDTEXIMAGEPROC glad_glGetnCompressedTexImage = NULL; +PFNGLGETNCONVOLUTIONFILTERPROC glad_glGetnConvolutionFilter = NULL; +PFNGLGETNHISTOGRAMPROC glad_glGetnHistogram = NULL; +PFNGLGETNMAPDVPROC glad_glGetnMapdv = NULL; +PFNGLGETNMAPFVPROC glad_glGetnMapfv = NULL; +PFNGLGETNMAPIVPROC glad_glGetnMapiv = NULL; +PFNGLGETNMINMAXPROC glad_glGetnMinmax = NULL; +PFNGLGETNPIXELMAPFVPROC glad_glGetnPixelMapfv = NULL; +PFNGLGETNPIXELMAPUIVPROC glad_glGetnPixelMapuiv = NULL; +PFNGLGETNPIXELMAPUSVPROC glad_glGetnPixelMapusv = NULL; +PFNGLGETNPOLYGONSTIPPLEPROC glad_glGetnPolygonStipple = NULL; +PFNGLGETNSEPARABLEFILTERPROC glad_glGetnSeparableFilter = NULL; +PFNGLGETNTEXIMAGEPROC glad_glGetnTexImage = NULL; +PFNGLGETNUNIFORMDVPROC glad_glGetnUniformdv = NULL; +PFNGLGETNUNIFORMFVPROC glad_glGetnUniformfv = NULL; +PFNGLGETNUNIFORMIVPROC glad_glGetnUniformiv = NULL; +PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv = NULL; +PFNGLHINTPROC glad_glHint = NULL; +PFNGLINVALIDATEBUFFERDATAPROC glad_glInvalidateBufferData = NULL; +PFNGLINVALIDATEBUFFERSUBDATAPROC glad_glInvalidateBufferSubData = NULL; +PFNGLINVALIDATEFRAMEBUFFERPROC glad_glInvalidateFramebuffer = NULL; +PFNGLINVALIDATENAMEDFRAMEBUFFERDATAPROC glad_glInvalidateNamedFramebufferData = NULL; +PFNGLINVALIDATENAMEDFRAMEBUFFERSUBDATAPROC glad_glInvalidateNamedFramebufferSubData = NULL; +PFNGLINVALIDATESUBFRAMEBUFFERPROC glad_glInvalidateSubFramebuffer = NULL; +PFNGLINVALIDATETEXIMAGEPROC glad_glInvalidateTexImage = NULL; +PFNGLINVALIDATETEXSUBIMAGEPROC glad_glInvalidateTexSubImage = NULL; +PFNGLISBUFFERPROC glad_glIsBuffer = NULL; +PFNGLISENABLEDPROC glad_glIsEnabled = NULL; +PFNGLISENABLEDIPROC glad_glIsEnabledi = NULL; +PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer = NULL; +PFNGLISPROGRAMPROC glad_glIsProgram = NULL; +PFNGLISPROGRAMPIPELINEPROC glad_glIsProgramPipeline = NULL; +PFNGLISQUERYPROC glad_glIsQuery = NULL; +PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer = NULL; +PFNGLISSAMPLERPROC glad_glIsSampler = NULL; +PFNGLISSHADERPROC glad_glIsShader = NULL; +PFNGLISSYNCPROC glad_glIsSync = NULL; +PFNGLISTEXTUREPROC glad_glIsTexture = NULL; +PFNGLISTRANSFORMFEEDBACKPROC glad_glIsTransformFeedback = NULL; +PFNGLISVERTEXARRAYPROC glad_glIsVertexArray = NULL; +PFNGLLINEWIDTHPROC glad_glLineWidth = NULL; +PFNGLLINKPROGRAMPROC glad_glLinkProgram = NULL; +PFNGLLOGICOPPROC glad_glLogicOp = NULL; +PFNGLMAPBUFFERPROC glad_glMapBuffer = NULL; +PFNGLMAPBUFFERRANGEPROC glad_glMapBufferRange = NULL; +PFNGLMAPNAMEDBUFFERPROC glad_glMapNamedBuffer = NULL; +PFNGLMAPNAMEDBUFFERRANGEPROC glad_glMapNamedBufferRange = NULL; +PFNGLMEMORYBARRIERPROC glad_glMemoryBarrier = NULL; +PFNGLMEMORYBARRIERBYREGIONPROC glad_glMemoryBarrierByRegion = NULL; +PFNGLMINSAMPLESHADINGPROC glad_glMinSampleShading = NULL; +PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays = NULL; +PFNGLMULTIDRAWARRAYSINDIRECTPROC glad_glMultiDrawArraysIndirect = NULL; +PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements = NULL; +PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glad_glMultiDrawElementsBaseVertex = NULL; +PFNGLMULTIDRAWELEMENTSINDIRECTPROC glad_glMultiDrawElementsIndirect = NULL; +PFNGLMULTITEXCOORDP1UIPROC glad_glMultiTexCoordP1ui = NULL; +PFNGLMULTITEXCOORDP1UIVPROC glad_glMultiTexCoordP1uiv = NULL; +PFNGLMULTITEXCOORDP2UIPROC glad_glMultiTexCoordP2ui = NULL; +PFNGLMULTITEXCOORDP2UIVPROC glad_glMultiTexCoordP2uiv = NULL; +PFNGLMULTITEXCOORDP3UIPROC glad_glMultiTexCoordP3ui = NULL; +PFNGLMULTITEXCOORDP3UIVPROC glad_glMultiTexCoordP3uiv = NULL; +PFNGLMULTITEXCOORDP4UIPROC glad_glMultiTexCoordP4ui = NULL; +PFNGLMULTITEXCOORDP4UIVPROC glad_glMultiTexCoordP4uiv = NULL; +PFNGLNAMEDBUFFERDATAPROC glad_glNamedBufferData = NULL; +PFNGLNAMEDBUFFERSTORAGEPROC glad_glNamedBufferStorage = NULL; +PFNGLNAMEDBUFFERSUBDATAPROC glad_glNamedBufferSubData = NULL; +PFNGLNAMEDFRAMEBUFFERDRAWBUFFERPROC glad_glNamedFramebufferDrawBuffer = NULL; +PFNGLNAMEDFRAMEBUFFERDRAWBUFFERSPROC glad_glNamedFramebufferDrawBuffers = NULL; +PFNGLNAMEDFRAMEBUFFERPARAMETERIPROC glad_glNamedFramebufferParameteri = NULL; +PFNGLNAMEDFRAMEBUFFERREADBUFFERPROC glad_glNamedFramebufferReadBuffer = NULL; +PFNGLNAMEDFRAMEBUFFERRENDERBUFFERPROC glad_glNamedFramebufferRenderbuffer = NULL; +PFNGLNAMEDFRAMEBUFFERTEXTUREPROC glad_glNamedFramebufferTexture = NULL; +PFNGLNAMEDFRAMEBUFFERTEXTURELAYERPROC glad_glNamedFramebufferTextureLayer = NULL; +PFNGLNAMEDRENDERBUFFERSTORAGEPROC glad_glNamedRenderbufferStorage = NULL; +PFNGLNAMEDRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glNamedRenderbufferStorageMultisample = NULL; +PFNGLNORMALP3UIPROC glad_glNormalP3ui = NULL; +PFNGLNORMALP3UIVPROC glad_glNormalP3uiv = NULL; +PFNGLOBJECTLABELPROC glad_glObjectLabel = NULL; +PFNGLOBJECTPTRLABELPROC glad_glObjectPtrLabel = NULL; +PFNGLPATCHPARAMETERFVPROC glad_glPatchParameterfv = NULL; +PFNGLPATCHPARAMETERIPROC glad_glPatchParameteri = NULL; +PFNGLPAUSETRANSFORMFEEDBACKPROC glad_glPauseTransformFeedback = NULL; +PFNGLPIXELSTOREFPROC glad_glPixelStoref = NULL; +PFNGLPIXELSTOREIPROC glad_glPixelStorei = NULL; +PFNGLPOINTPARAMETERFPROC glad_glPointParameterf = NULL; +PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv = NULL; +PFNGLPOINTPARAMETERIPROC glad_glPointParameteri = NULL; +PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv = NULL; +PFNGLPOINTSIZEPROC glad_glPointSize = NULL; +PFNGLPOLYGONMODEPROC glad_glPolygonMode = NULL; +PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset = NULL; +PFNGLPOPDEBUGGROUPPROC glad_glPopDebugGroup = NULL; +PFNGLPRIMITIVERESTARTINDEXPROC glad_glPrimitiveRestartIndex = NULL; +PFNGLPROGRAMBINARYPROC glad_glProgramBinary = NULL; +PFNGLPROGRAMPARAMETERIPROC glad_glProgramParameteri = NULL; +PFNGLPROGRAMUNIFORM1DPROC glad_glProgramUniform1d = NULL; +PFNGLPROGRAMUNIFORM1DVPROC glad_glProgramUniform1dv = NULL; +PFNGLPROGRAMUNIFORM1FPROC glad_glProgramUniform1f = NULL; +PFNGLPROGRAMUNIFORM1FVPROC glad_glProgramUniform1fv = NULL; +PFNGLPROGRAMUNIFORM1IPROC glad_glProgramUniform1i = NULL; +PFNGLPROGRAMUNIFORM1IVPROC glad_glProgramUniform1iv = NULL; +PFNGLPROGRAMUNIFORM1UIPROC glad_glProgramUniform1ui = NULL; +PFNGLPROGRAMUNIFORM1UIVPROC glad_glProgramUniform1uiv = NULL; +PFNGLPROGRAMUNIFORM2DPROC glad_glProgramUniform2d = NULL; +PFNGLPROGRAMUNIFORM2DVPROC glad_glProgramUniform2dv = NULL; +PFNGLPROGRAMUNIFORM2FPROC glad_glProgramUniform2f = NULL; +PFNGLPROGRAMUNIFORM2FVPROC glad_glProgramUniform2fv = NULL; +PFNGLPROGRAMUNIFORM2IPROC glad_glProgramUniform2i = NULL; +PFNGLPROGRAMUNIFORM2IVPROC glad_glProgramUniform2iv = NULL; +PFNGLPROGRAMUNIFORM2UIPROC glad_glProgramUniform2ui = NULL; +PFNGLPROGRAMUNIFORM2UIVPROC glad_glProgramUniform2uiv = NULL; +PFNGLPROGRAMUNIFORM3DPROC glad_glProgramUniform3d = NULL; +PFNGLPROGRAMUNIFORM3DVPROC glad_glProgramUniform3dv = NULL; +PFNGLPROGRAMUNIFORM3FPROC glad_glProgramUniform3f = NULL; +PFNGLPROGRAMUNIFORM3FVPROC glad_glProgramUniform3fv = NULL; +PFNGLPROGRAMUNIFORM3IPROC glad_glProgramUniform3i = NULL; +PFNGLPROGRAMUNIFORM3IVPROC glad_glProgramUniform3iv = NULL; +PFNGLPROGRAMUNIFORM3UIPROC glad_glProgramUniform3ui = NULL; +PFNGLPROGRAMUNIFORM3UIVPROC glad_glProgramUniform3uiv = NULL; +PFNGLPROGRAMUNIFORM4DPROC glad_glProgramUniform4d = NULL; +PFNGLPROGRAMUNIFORM4DVPROC glad_glProgramUniform4dv = NULL; +PFNGLPROGRAMUNIFORM4FPROC glad_glProgramUniform4f = NULL; +PFNGLPROGRAMUNIFORM4FVPROC glad_glProgramUniform4fv = NULL; +PFNGLPROGRAMUNIFORM4IPROC glad_glProgramUniform4i = NULL; +PFNGLPROGRAMUNIFORM4IVPROC glad_glProgramUniform4iv = NULL; +PFNGLPROGRAMUNIFORM4UIPROC glad_glProgramUniform4ui = NULL; +PFNGLPROGRAMUNIFORM4UIVPROC glad_glProgramUniform4uiv = NULL; +PFNGLPROGRAMUNIFORMMATRIX2DVPROC glad_glProgramUniformMatrix2dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX2FVPROC glad_glProgramUniformMatrix2fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC glad_glProgramUniformMatrix2x3dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC glad_glProgramUniformMatrix2x3fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC glad_glProgramUniformMatrix2x4dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC glad_glProgramUniformMatrix2x4fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX3DVPROC glad_glProgramUniformMatrix3dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX3FVPROC glad_glProgramUniformMatrix3fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC glad_glProgramUniformMatrix3x2dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC glad_glProgramUniformMatrix3x2fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC glad_glProgramUniformMatrix3x4dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC glad_glProgramUniformMatrix3x4fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX4DVPROC glad_glProgramUniformMatrix4dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX4FVPROC glad_glProgramUniformMatrix4fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC glad_glProgramUniformMatrix4x2dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC glad_glProgramUniformMatrix4x2fv = NULL; +PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC glad_glProgramUniformMatrix4x3dv = NULL; +PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC glad_glProgramUniformMatrix4x3fv = NULL; +PFNGLPROVOKINGVERTEXPROC glad_glProvokingVertex = NULL; +PFNGLPUSHDEBUGGROUPPROC glad_glPushDebugGroup = NULL; +PFNGLQUERYCOUNTERPROC glad_glQueryCounter = NULL; +PFNGLREADBUFFERPROC glad_glReadBuffer = NULL; +PFNGLREADPIXELSPROC glad_glReadPixels = NULL; +PFNGLREADNPIXELSPROC glad_glReadnPixels = NULL; +PFNGLRELEASESHADERCOMPILERPROC glad_glReleaseShaderCompiler = NULL; +PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage = NULL; +PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample = NULL; +PFNGLRESUMETRANSFORMFEEDBACKPROC glad_glResumeTransformFeedback = NULL; +PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage = NULL; +PFNGLSAMPLEMASKIPROC glad_glSampleMaski = NULL; +PFNGLSAMPLERPARAMETERIIVPROC glad_glSamplerParameterIiv = NULL; +PFNGLSAMPLERPARAMETERIUIVPROC glad_glSamplerParameterIuiv = NULL; +PFNGLSAMPLERPARAMETERFPROC glad_glSamplerParameterf = NULL; +PFNGLSAMPLERPARAMETERFVPROC glad_glSamplerParameterfv = NULL; +PFNGLSAMPLERPARAMETERIPROC glad_glSamplerParameteri = NULL; +PFNGLSAMPLERPARAMETERIVPROC glad_glSamplerParameteriv = NULL; +PFNGLSCISSORPROC glad_glScissor = NULL; +PFNGLSCISSORARRAYVPROC glad_glScissorArrayv = NULL; +PFNGLSCISSORINDEXEDPROC glad_glScissorIndexed = NULL; +PFNGLSCISSORINDEXEDVPROC glad_glScissorIndexedv = NULL; +PFNGLSECONDARYCOLORP3UIPROC glad_glSecondaryColorP3ui = NULL; +PFNGLSECONDARYCOLORP3UIVPROC glad_glSecondaryColorP3uiv = NULL; +PFNGLSHADERBINARYPROC glad_glShaderBinary = NULL; +PFNGLSHADERSOURCEPROC glad_glShaderSource = NULL; +PFNGLSHADERSTORAGEBLOCKBINDINGPROC glad_glShaderStorageBlockBinding = NULL; +PFNGLSTENCILFUNCPROC glad_glStencilFunc = NULL; +PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate = NULL; +PFNGLSTENCILMASKPROC glad_glStencilMask = NULL; +PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate = NULL; +PFNGLSTENCILOPPROC glad_glStencilOp = NULL; +PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate = NULL; +PFNGLTEXBUFFERPROC glad_glTexBuffer = NULL; +PFNGLTEXBUFFERRANGEPROC glad_glTexBufferRange = NULL; +PFNGLTEXCOORDP1UIPROC glad_glTexCoordP1ui = NULL; +PFNGLTEXCOORDP1UIVPROC glad_glTexCoordP1uiv = NULL; +PFNGLTEXCOORDP2UIPROC glad_glTexCoordP2ui = NULL; +PFNGLTEXCOORDP2UIVPROC glad_glTexCoordP2uiv = NULL; +PFNGLTEXCOORDP3UIPROC glad_glTexCoordP3ui = NULL; +PFNGLTEXCOORDP3UIVPROC glad_glTexCoordP3uiv = NULL; +PFNGLTEXCOORDP4UIPROC glad_glTexCoordP4ui = NULL; +PFNGLTEXCOORDP4UIVPROC glad_glTexCoordP4uiv = NULL; +PFNGLTEXIMAGE1DPROC glad_glTexImage1D = NULL; +PFNGLTEXIMAGE2DPROC glad_glTexImage2D = NULL; +PFNGLTEXIMAGE2DMULTISAMPLEPROC glad_glTexImage2DMultisample = NULL; +PFNGLTEXIMAGE3DPROC glad_glTexImage3D = NULL; +PFNGLTEXIMAGE3DMULTISAMPLEPROC glad_glTexImage3DMultisample = NULL; +PFNGLTEXPARAMETERIIVPROC glad_glTexParameterIiv = NULL; +PFNGLTEXPARAMETERIUIVPROC glad_glTexParameterIuiv = NULL; +PFNGLTEXPARAMETERFPROC glad_glTexParameterf = NULL; +PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv = NULL; +PFNGLTEXPARAMETERIPROC glad_glTexParameteri = NULL; +PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv = NULL; +PFNGLTEXSTORAGE1DPROC glad_glTexStorage1D = NULL; +PFNGLTEXSTORAGE2DPROC glad_glTexStorage2D = NULL; +PFNGLTEXSTORAGE2DMULTISAMPLEPROC glad_glTexStorage2DMultisample = NULL; +PFNGLTEXSTORAGE3DPROC glad_glTexStorage3D = NULL; +PFNGLTEXSTORAGE3DMULTISAMPLEPROC glad_glTexStorage3DMultisample = NULL; +PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D = NULL; +PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D = NULL; +PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D = NULL; +PFNGLTEXTUREBARRIERPROC glad_glTextureBarrier = NULL; +PFNGLTEXTUREBUFFERPROC glad_glTextureBuffer = NULL; +PFNGLTEXTUREBUFFERRANGEPROC glad_glTextureBufferRange = NULL; +PFNGLTEXTUREPARAMETERIIVPROC glad_glTextureParameterIiv = NULL; +PFNGLTEXTUREPARAMETERIUIVPROC glad_glTextureParameterIuiv = NULL; +PFNGLTEXTUREPARAMETERFPROC glad_glTextureParameterf = NULL; +PFNGLTEXTUREPARAMETERFVPROC glad_glTextureParameterfv = NULL; +PFNGLTEXTUREPARAMETERIPROC glad_glTextureParameteri = NULL; +PFNGLTEXTUREPARAMETERIVPROC glad_glTextureParameteriv = NULL; +PFNGLTEXTURESTORAGE1DPROC glad_glTextureStorage1D = NULL; +PFNGLTEXTURESTORAGE2DPROC glad_glTextureStorage2D = NULL; +PFNGLTEXTURESTORAGE2DMULTISAMPLEPROC glad_glTextureStorage2DMultisample = NULL; +PFNGLTEXTURESTORAGE3DPROC glad_glTextureStorage3D = NULL; +PFNGLTEXTURESTORAGE3DMULTISAMPLEPROC glad_glTextureStorage3DMultisample = NULL; +PFNGLTEXTURESUBIMAGE1DPROC glad_glTextureSubImage1D = NULL; +PFNGLTEXTURESUBIMAGE2DPROC glad_glTextureSubImage2D = NULL; +PFNGLTEXTURESUBIMAGE3DPROC glad_glTextureSubImage3D = NULL; +PFNGLTEXTUREVIEWPROC glad_glTextureView = NULL; +PFNGLTRANSFORMFEEDBACKBUFFERBASEPROC glad_glTransformFeedbackBufferBase = NULL; +PFNGLTRANSFORMFEEDBACKBUFFERRANGEPROC glad_glTransformFeedbackBufferRange = NULL; +PFNGLTRANSFORMFEEDBACKVARYINGSPROC glad_glTransformFeedbackVaryings = NULL; +PFNGLUNIFORM1DPROC glad_glUniform1d = NULL; +PFNGLUNIFORM1DVPROC glad_glUniform1dv = NULL; +PFNGLUNIFORM1FPROC glad_glUniform1f = NULL; +PFNGLUNIFORM1FVPROC glad_glUniform1fv = NULL; +PFNGLUNIFORM1IPROC glad_glUniform1i = NULL; +PFNGLUNIFORM1IVPROC glad_glUniform1iv = NULL; +PFNGLUNIFORM1UIPROC glad_glUniform1ui = NULL; +PFNGLUNIFORM1UIVPROC glad_glUniform1uiv = NULL; +PFNGLUNIFORM2DPROC glad_glUniform2d = NULL; +PFNGLUNIFORM2DVPROC glad_glUniform2dv = NULL; +PFNGLUNIFORM2FPROC glad_glUniform2f = NULL; +PFNGLUNIFORM2FVPROC glad_glUniform2fv = NULL; +PFNGLUNIFORM2IPROC glad_glUniform2i = NULL; +PFNGLUNIFORM2IVPROC glad_glUniform2iv = NULL; +PFNGLUNIFORM2UIPROC glad_glUniform2ui = NULL; +PFNGLUNIFORM2UIVPROC glad_glUniform2uiv = NULL; +PFNGLUNIFORM3DPROC glad_glUniform3d = NULL; +PFNGLUNIFORM3DVPROC glad_glUniform3dv = NULL; +PFNGLUNIFORM3FPROC glad_glUniform3f = NULL; +PFNGLUNIFORM3FVPROC glad_glUniform3fv = NULL; +PFNGLUNIFORM3IPROC glad_glUniform3i = NULL; +PFNGLUNIFORM3IVPROC glad_glUniform3iv = NULL; +PFNGLUNIFORM3UIPROC glad_glUniform3ui = NULL; +PFNGLUNIFORM3UIVPROC glad_glUniform3uiv = NULL; +PFNGLUNIFORM4DPROC glad_glUniform4d = NULL; +PFNGLUNIFORM4DVPROC glad_glUniform4dv = NULL; +PFNGLUNIFORM4FPROC glad_glUniform4f = NULL; +PFNGLUNIFORM4FVPROC glad_glUniform4fv = NULL; +PFNGLUNIFORM4IPROC glad_glUniform4i = NULL; +PFNGLUNIFORM4IVPROC glad_glUniform4iv = NULL; +PFNGLUNIFORM4UIPROC glad_glUniform4ui = NULL; +PFNGLUNIFORM4UIVPROC glad_glUniform4uiv = NULL; +PFNGLUNIFORMBLOCKBINDINGPROC glad_glUniformBlockBinding = NULL; +PFNGLUNIFORMMATRIX2DVPROC glad_glUniformMatrix2dv = NULL; +PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv = NULL; +PFNGLUNIFORMMATRIX2X3DVPROC glad_glUniformMatrix2x3dv = NULL; +PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv = NULL; +PFNGLUNIFORMMATRIX2X4DVPROC glad_glUniformMatrix2x4dv = NULL; +PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv = NULL; +PFNGLUNIFORMMATRIX3DVPROC glad_glUniformMatrix3dv = NULL; +PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv = NULL; +PFNGLUNIFORMMATRIX3X2DVPROC glad_glUniformMatrix3x2dv = NULL; +PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv = NULL; +PFNGLUNIFORMMATRIX3X4DVPROC glad_glUniformMatrix3x4dv = NULL; +PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv = NULL; +PFNGLUNIFORMMATRIX4DVPROC glad_glUniformMatrix4dv = NULL; +PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv = NULL; +PFNGLUNIFORMMATRIX4X2DVPROC glad_glUniformMatrix4x2dv = NULL; +PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv = NULL; +PFNGLUNIFORMMATRIX4X3DVPROC glad_glUniformMatrix4x3dv = NULL; +PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv = NULL; +PFNGLUNIFORMSUBROUTINESUIVPROC glad_glUniformSubroutinesuiv = NULL; +PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer = NULL; +PFNGLUNMAPNAMEDBUFFERPROC glad_glUnmapNamedBuffer = NULL; +PFNGLUSEPROGRAMPROC glad_glUseProgram = NULL; +PFNGLUSEPROGRAMSTAGESPROC glad_glUseProgramStages = NULL; +PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram = NULL; +PFNGLVALIDATEPROGRAMPIPELINEPROC glad_glValidateProgramPipeline = NULL; +PFNGLVERTEXARRAYATTRIBBINDINGPROC glad_glVertexArrayAttribBinding = NULL; +PFNGLVERTEXARRAYATTRIBFORMATPROC glad_glVertexArrayAttribFormat = NULL; +PFNGLVERTEXARRAYATTRIBIFORMATPROC glad_glVertexArrayAttribIFormat = NULL; +PFNGLVERTEXARRAYATTRIBLFORMATPROC glad_glVertexArrayAttribLFormat = NULL; +PFNGLVERTEXARRAYBINDINGDIVISORPROC glad_glVertexArrayBindingDivisor = NULL; +PFNGLVERTEXARRAYELEMENTBUFFERPROC glad_glVertexArrayElementBuffer = NULL; +PFNGLVERTEXARRAYVERTEXBUFFERPROC glad_glVertexArrayVertexBuffer = NULL; +PFNGLVERTEXARRAYVERTEXBUFFERSPROC glad_glVertexArrayVertexBuffers = NULL; +PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d = NULL; +PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv = NULL; +PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f = NULL; +PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv = NULL; +PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s = NULL; +PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv = NULL; +PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d = NULL; +PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv = NULL; +PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f = NULL; +PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv = NULL; +PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s = NULL; +PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv = NULL; +PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d = NULL; +PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv = NULL; +PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f = NULL; +PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv = NULL; +PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s = NULL; +PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv = NULL; +PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv = NULL; +PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv = NULL; +PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv = NULL; +PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub = NULL; +PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv = NULL; +PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv = NULL; +PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv = NULL; +PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv = NULL; +PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d = NULL; +PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv = NULL; +PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f = NULL; +PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv = NULL; +PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv = NULL; +PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s = NULL; +PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv = NULL; +PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv = NULL; +PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv = NULL; +PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv = NULL; +PFNGLVERTEXATTRIBBINDINGPROC glad_glVertexAttribBinding = NULL; +PFNGLVERTEXATTRIBDIVISORPROC glad_glVertexAttribDivisor = NULL; +PFNGLVERTEXATTRIBFORMATPROC glad_glVertexAttribFormat = NULL; +PFNGLVERTEXATTRIBI1IPROC glad_glVertexAttribI1i = NULL; +PFNGLVERTEXATTRIBI1IVPROC glad_glVertexAttribI1iv = NULL; +PFNGLVERTEXATTRIBI1UIPROC glad_glVertexAttribI1ui = NULL; +PFNGLVERTEXATTRIBI1UIVPROC glad_glVertexAttribI1uiv = NULL; +PFNGLVERTEXATTRIBI2IPROC glad_glVertexAttribI2i = NULL; +PFNGLVERTEXATTRIBI2IVPROC glad_glVertexAttribI2iv = NULL; +PFNGLVERTEXATTRIBI2UIPROC glad_glVertexAttribI2ui = NULL; +PFNGLVERTEXATTRIBI2UIVPROC glad_glVertexAttribI2uiv = NULL; +PFNGLVERTEXATTRIBI3IPROC glad_glVertexAttribI3i = NULL; +PFNGLVERTEXATTRIBI3IVPROC glad_glVertexAttribI3iv = NULL; +PFNGLVERTEXATTRIBI3UIPROC glad_glVertexAttribI3ui = NULL; +PFNGLVERTEXATTRIBI3UIVPROC glad_glVertexAttribI3uiv = NULL; +PFNGLVERTEXATTRIBI4BVPROC glad_glVertexAttribI4bv = NULL; +PFNGLVERTEXATTRIBI4IPROC glad_glVertexAttribI4i = NULL; +PFNGLVERTEXATTRIBI4IVPROC glad_glVertexAttribI4iv = NULL; +PFNGLVERTEXATTRIBI4SVPROC glad_glVertexAttribI4sv = NULL; +PFNGLVERTEXATTRIBI4UBVPROC glad_glVertexAttribI4ubv = NULL; +PFNGLVERTEXATTRIBI4UIPROC glad_glVertexAttribI4ui = NULL; +PFNGLVERTEXATTRIBI4UIVPROC glad_glVertexAttribI4uiv = NULL; +PFNGLVERTEXATTRIBI4USVPROC glad_glVertexAttribI4usv = NULL; +PFNGLVERTEXATTRIBIFORMATPROC glad_glVertexAttribIFormat = NULL; +PFNGLVERTEXATTRIBIPOINTERPROC glad_glVertexAttribIPointer = NULL; +PFNGLVERTEXATTRIBL1DPROC glad_glVertexAttribL1d = NULL; +PFNGLVERTEXATTRIBL1DVPROC glad_glVertexAttribL1dv = NULL; +PFNGLVERTEXATTRIBL2DPROC glad_glVertexAttribL2d = NULL; +PFNGLVERTEXATTRIBL2DVPROC glad_glVertexAttribL2dv = NULL; +PFNGLVERTEXATTRIBL3DPROC glad_glVertexAttribL3d = NULL; +PFNGLVERTEXATTRIBL3DVPROC glad_glVertexAttribL3dv = NULL; +PFNGLVERTEXATTRIBL4DPROC glad_glVertexAttribL4d = NULL; +PFNGLVERTEXATTRIBL4DVPROC glad_glVertexAttribL4dv = NULL; +PFNGLVERTEXATTRIBLFORMATPROC glad_glVertexAttribLFormat = NULL; +PFNGLVERTEXATTRIBLPOINTERPROC glad_glVertexAttribLPointer = NULL; +PFNGLVERTEXATTRIBP1UIPROC glad_glVertexAttribP1ui = NULL; +PFNGLVERTEXATTRIBP1UIVPROC glad_glVertexAttribP1uiv = NULL; +PFNGLVERTEXATTRIBP2UIPROC glad_glVertexAttribP2ui = NULL; +PFNGLVERTEXATTRIBP2UIVPROC glad_glVertexAttribP2uiv = NULL; +PFNGLVERTEXATTRIBP3UIPROC glad_glVertexAttribP3ui = NULL; +PFNGLVERTEXATTRIBP3UIVPROC glad_glVertexAttribP3uiv = NULL; +PFNGLVERTEXATTRIBP4UIPROC glad_glVertexAttribP4ui = NULL; +PFNGLVERTEXATTRIBP4UIVPROC glad_glVertexAttribP4uiv = NULL; +PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer = NULL; +PFNGLVERTEXBINDINGDIVISORPROC glad_glVertexBindingDivisor = NULL; +PFNGLVERTEXP2UIPROC glad_glVertexP2ui = NULL; +PFNGLVERTEXP2UIVPROC glad_glVertexP2uiv = NULL; +PFNGLVERTEXP3UIPROC glad_glVertexP3ui = NULL; +PFNGLVERTEXP3UIVPROC glad_glVertexP3uiv = NULL; +PFNGLVERTEXP4UIPROC glad_glVertexP4ui = NULL; +PFNGLVERTEXP4UIVPROC glad_glVertexP4uiv = NULL; +PFNGLVIEWPORTPROC glad_glViewport = NULL; +PFNGLVIEWPORTARRAYVPROC glad_glViewportArrayv = NULL; +PFNGLVIEWPORTINDEXEDFPROC glad_glViewportIndexedf = NULL; +PFNGLVIEWPORTINDEXEDFVPROC glad_glViewportIndexedfv = NULL; +PFNGLWAITSYNCPROC glad_glWaitSync = NULL; +static void load_GL_VERSION_1_0(GLADloadproc load) { + if(!GLAD_GL_VERSION_1_0) return; + glad_glCullFace = (PFNGLCULLFACEPROC)load("glCullFace"); + glad_glFrontFace = (PFNGLFRONTFACEPROC)load("glFrontFace"); + glad_glHint = (PFNGLHINTPROC)load("glHint"); + glad_glLineWidth = (PFNGLLINEWIDTHPROC)load("glLineWidth"); + glad_glPointSize = (PFNGLPOINTSIZEPROC)load("glPointSize"); + glad_glPolygonMode = (PFNGLPOLYGONMODEPROC)load("glPolygonMode"); + glad_glScissor = (PFNGLSCISSORPROC)load("glScissor"); + glad_glTexParameterf = (PFNGLTEXPARAMETERFPROC)load("glTexParameterf"); + glad_glTexParameterfv = (PFNGLTEXPARAMETERFVPROC)load("glTexParameterfv"); + glad_glTexParameteri = (PFNGLTEXPARAMETERIPROC)load("glTexParameteri"); + glad_glTexParameteriv = (PFNGLTEXPARAMETERIVPROC)load("glTexParameteriv"); + glad_glTexImage1D = (PFNGLTEXIMAGE1DPROC)load("glTexImage1D"); + glad_glTexImage2D = (PFNGLTEXIMAGE2DPROC)load("glTexImage2D"); + glad_glDrawBuffer = (PFNGLDRAWBUFFERPROC)load("glDrawBuffer"); + glad_glClear = (PFNGLCLEARPROC)load("glClear"); + glad_glClearColor = (PFNGLCLEARCOLORPROC)load("glClearColor"); + glad_glClearStencil = (PFNGLCLEARSTENCILPROC)load("glClearStencil"); + glad_glClearDepth = (PFNGLCLEARDEPTHPROC)load("glClearDepth"); + glad_glStencilMask = (PFNGLSTENCILMASKPROC)load("glStencilMask"); + glad_glColorMask = (PFNGLCOLORMASKPROC)load("glColorMask"); + glad_glDepthMask = (PFNGLDEPTHMASKPROC)load("glDepthMask"); + glad_glDisable = (PFNGLDISABLEPROC)load("glDisable"); + glad_glEnable = (PFNGLENABLEPROC)load("glEnable"); + glad_glFinish = (PFNGLFINISHPROC)load("glFinish"); + glad_glFlush = (PFNGLFLUSHPROC)load("glFlush"); + glad_glBlendFunc = (PFNGLBLENDFUNCPROC)load("glBlendFunc"); + glad_glLogicOp = (PFNGLLOGICOPPROC)load("glLogicOp"); + glad_glStencilFunc = (PFNGLSTENCILFUNCPROC)load("glStencilFunc"); + glad_glStencilOp = (PFNGLSTENCILOPPROC)load("glStencilOp"); + glad_glDepthFunc = (PFNGLDEPTHFUNCPROC)load("glDepthFunc"); + glad_glPixelStoref = (PFNGLPIXELSTOREFPROC)load("glPixelStoref"); + glad_glPixelStorei = (PFNGLPIXELSTOREIPROC)load("glPixelStorei"); + glad_glReadBuffer = (PFNGLREADBUFFERPROC)load("glReadBuffer"); + glad_glReadPixels = (PFNGLREADPIXELSPROC)load("glReadPixels"); + glad_glGetBooleanv = (PFNGLGETBOOLEANVPROC)load("glGetBooleanv"); + glad_glGetDoublev = (PFNGLGETDOUBLEVPROC)load("glGetDoublev"); + glad_glGetError = (PFNGLGETERRORPROC)load("glGetError"); + glad_glGetFloatv = (PFNGLGETFLOATVPROC)load("glGetFloatv"); + glad_glGetIntegerv = (PFNGLGETINTEGERVPROC)load("glGetIntegerv"); + glad_glGetString = (PFNGLGETSTRINGPROC)load("glGetString"); + glad_glGetTexImage = (PFNGLGETTEXIMAGEPROC)load("glGetTexImage"); + glad_glGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC)load("glGetTexParameterfv"); + glad_glGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC)load("glGetTexParameteriv"); + glad_glGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC)load("glGetTexLevelParameterfv"); + glad_glGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC)load("glGetTexLevelParameteriv"); + glad_glIsEnabled = (PFNGLISENABLEDPROC)load("glIsEnabled"); + glad_glDepthRange = (PFNGLDEPTHRANGEPROC)load("glDepthRange"); + glad_glViewport = (PFNGLVIEWPORTPROC)load("glViewport"); +} +static void load_GL_VERSION_1_1(GLADloadproc load) { + if(!GLAD_GL_VERSION_1_1) return; + glad_glDrawArrays = (PFNGLDRAWARRAYSPROC)load("glDrawArrays"); + glad_glDrawElements = (PFNGLDRAWELEMENTSPROC)load("glDrawElements"); + glad_glPolygonOffset = (PFNGLPOLYGONOFFSETPROC)load("glPolygonOffset"); + glad_glCopyTexImage1D = (PFNGLCOPYTEXIMAGE1DPROC)load("glCopyTexImage1D"); + glad_glCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC)load("glCopyTexImage2D"); + glad_glCopyTexSubImage1D = (PFNGLCOPYTEXSUBIMAGE1DPROC)load("glCopyTexSubImage1D"); + glad_glCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC)load("glCopyTexSubImage2D"); + glad_glTexSubImage1D = (PFNGLTEXSUBIMAGE1DPROC)load("glTexSubImage1D"); + glad_glTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC)load("glTexSubImage2D"); + glad_glBindTexture = (PFNGLBINDTEXTUREPROC)load("glBindTexture"); + glad_glDeleteTextures = (PFNGLDELETETEXTURESPROC)load("glDeleteTextures"); + glad_glGenTextures = (PFNGLGENTEXTURESPROC)load("glGenTextures"); + glad_glIsTexture = (PFNGLISTEXTUREPROC)load("glIsTexture"); +} +static void load_GL_VERSION_1_2(GLADloadproc load) { + if(!GLAD_GL_VERSION_1_2) return; + glad_glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)load("glDrawRangeElements"); + glad_glTexImage3D = (PFNGLTEXIMAGE3DPROC)load("glTexImage3D"); + glad_glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)load("glTexSubImage3D"); + glad_glCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC)load("glCopyTexSubImage3D"); +} +static void load_GL_VERSION_1_3(GLADloadproc load) { + if(!GLAD_GL_VERSION_1_3) return; + glad_glActiveTexture = (PFNGLACTIVETEXTUREPROC)load("glActiveTexture"); + glad_glSampleCoverage = (PFNGLSAMPLECOVERAGEPROC)load("glSampleCoverage"); + glad_glCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC)load("glCompressedTexImage3D"); + glad_glCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC)load("glCompressedTexImage2D"); + glad_glCompressedTexImage1D = (PFNGLCOMPRESSEDTEXIMAGE1DPROC)load("glCompressedTexImage1D"); + glad_glCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)load("glCompressedTexSubImage3D"); + glad_glCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)load("glCompressedTexSubImage2D"); + glad_glCompressedTexSubImage1D = (PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC)load("glCompressedTexSubImage1D"); + glad_glGetCompressedTexImage = (PFNGLGETCOMPRESSEDTEXIMAGEPROC)load("glGetCompressedTexImage"); +} +static void load_GL_VERSION_1_4(GLADloadproc load) { + if(!GLAD_GL_VERSION_1_4) return; + glad_glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)load("glBlendFuncSeparate"); + glad_glMultiDrawArrays = (PFNGLMULTIDRAWARRAYSPROC)load("glMultiDrawArrays"); + glad_glMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC)load("glMultiDrawElements"); + glad_glPointParameterf = (PFNGLPOINTPARAMETERFPROC)load("glPointParameterf"); + glad_glPointParameterfv = (PFNGLPOINTPARAMETERFVPROC)load("glPointParameterfv"); + glad_glPointParameteri = (PFNGLPOINTPARAMETERIPROC)load("glPointParameteri"); + glad_glPointParameteriv = (PFNGLPOINTPARAMETERIVPROC)load("glPointParameteriv"); + glad_glBlendColor = (PFNGLBLENDCOLORPROC)load("glBlendColor"); + glad_glBlendEquation = (PFNGLBLENDEQUATIONPROC)load("glBlendEquation"); +} +static void load_GL_VERSION_1_5(GLADloadproc load) { + if(!GLAD_GL_VERSION_1_5) return; + glad_glGenQueries = (PFNGLGENQUERIESPROC)load("glGenQueries"); + glad_glDeleteQueries = (PFNGLDELETEQUERIESPROC)load("glDeleteQueries"); + glad_glIsQuery = (PFNGLISQUERYPROC)load("glIsQuery"); + glad_glBeginQuery = (PFNGLBEGINQUERYPROC)load("glBeginQuery"); + glad_glEndQuery = (PFNGLENDQUERYPROC)load("glEndQuery"); + glad_glGetQueryiv = (PFNGLGETQUERYIVPROC)load("glGetQueryiv"); + glad_glGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC)load("glGetQueryObjectiv"); + glad_glGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC)load("glGetQueryObjectuiv"); + glad_glBindBuffer = (PFNGLBINDBUFFERPROC)load("glBindBuffer"); + glad_glDeleteBuffers = (PFNGLDELETEBUFFERSPROC)load("glDeleteBuffers"); + glad_glGenBuffers = (PFNGLGENBUFFERSPROC)load("glGenBuffers"); + glad_glIsBuffer = (PFNGLISBUFFERPROC)load("glIsBuffer"); + glad_glBufferData = (PFNGLBUFFERDATAPROC)load("glBufferData"); + glad_glBufferSubData = (PFNGLBUFFERSUBDATAPROC)load("glBufferSubData"); + glad_glGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)load("glGetBufferSubData"); + glad_glMapBuffer = (PFNGLMAPBUFFERPROC)load("glMapBuffer"); + glad_glUnmapBuffer = (PFNGLUNMAPBUFFERPROC)load("glUnmapBuffer"); + glad_glGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC)load("glGetBufferParameteriv"); + glad_glGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC)load("glGetBufferPointerv"); +} +static void load_GL_VERSION_2_0(GLADloadproc load) { + if(!GLAD_GL_VERSION_2_0) return; + glad_glBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC)load("glBlendEquationSeparate"); + glad_glDrawBuffers = (PFNGLDRAWBUFFERSPROC)load("glDrawBuffers"); + glad_glStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC)load("glStencilOpSeparate"); + glad_glStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC)load("glStencilFuncSeparate"); + glad_glStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC)load("glStencilMaskSeparate"); + glad_glAttachShader = (PFNGLATTACHSHADERPROC)load("glAttachShader"); + glad_glBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)load("glBindAttribLocation"); + glad_glCompileShader = (PFNGLCOMPILESHADERPROC)load("glCompileShader"); + glad_glCreateProgram = (PFNGLCREATEPROGRAMPROC)load("glCreateProgram"); + glad_glCreateShader = (PFNGLCREATESHADERPROC)load("glCreateShader"); + glad_glDeleteProgram = (PFNGLDELETEPROGRAMPROC)load("glDeleteProgram"); + glad_glDeleteShader = (PFNGLDELETESHADERPROC)load("glDeleteShader"); + glad_glDetachShader = (PFNGLDETACHSHADERPROC)load("glDetachShader"); + glad_glDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC)load("glDisableVertexAttribArray"); + glad_glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)load("glEnableVertexAttribArray"); + glad_glGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC)load("glGetActiveAttrib"); + glad_glGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC)load("glGetActiveUniform"); + glad_glGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC)load("glGetAttachedShaders"); + glad_glGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC)load("glGetAttribLocation"); + glad_glGetProgramiv = (PFNGLGETPROGRAMIVPROC)load("glGetProgramiv"); + glad_glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)load("glGetProgramInfoLog"); + glad_glGetShaderiv = (PFNGLGETSHADERIVPROC)load("glGetShaderiv"); + glad_glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)load("glGetShaderInfoLog"); + glad_glGetShaderSource = (PFNGLGETSHADERSOURCEPROC)load("glGetShaderSource"); + glad_glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)load("glGetUniformLocation"); + glad_glGetUniformfv = (PFNGLGETUNIFORMFVPROC)load("glGetUniformfv"); + glad_glGetUniformiv = (PFNGLGETUNIFORMIVPROC)load("glGetUniformiv"); + glad_glGetVertexAttribdv = (PFNGLGETVERTEXATTRIBDVPROC)load("glGetVertexAttribdv"); + glad_glGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC)load("glGetVertexAttribfv"); + glad_glGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC)load("glGetVertexAttribiv"); + glad_glGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC)load("glGetVertexAttribPointerv"); + glad_glIsProgram = (PFNGLISPROGRAMPROC)load("glIsProgram"); + glad_glIsShader = (PFNGLISSHADERPROC)load("glIsShader"); + glad_glLinkProgram = (PFNGLLINKPROGRAMPROC)load("glLinkProgram"); + glad_glShaderSource = (PFNGLSHADERSOURCEPROC)load("glShaderSource"); + glad_glUseProgram = (PFNGLUSEPROGRAMPROC)load("glUseProgram"); + glad_glUniform1f = (PFNGLUNIFORM1FPROC)load("glUniform1f"); + glad_glUniform2f = (PFNGLUNIFORM2FPROC)load("glUniform2f"); + glad_glUniform3f = (PFNGLUNIFORM3FPROC)load("glUniform3f"); + glad_glUniform4f = (PFNGLUNIFORM4FPROC)load("glUniform4f"); + glad_glUniform1i = (PFNGLUNIFORM1IPROC)load("glUniform1i"); + glad_glUniform2i = (PFNGLUNIFORM2IPROC)load("glUniform2i"); + glad_glUniform3i = (PFNGLUNIFORM3IPROC)load("glUniform3i"); + glad_glUniform4i = (PFNGLUNIFORM4IPROC)load("glUniform4i"); + glad_glUniform1fv = (PFNGLUNIFORM1FVPROC)load("glUniform1fv"); + glad_glUniform2fv = (PFNGLUNIFORM2FVPROC)load("glUniform2fv"); + glad_glUniform3fv = (PFNGLUNIFORM3FVPROC)load("glUniform3fv"); + glad_glUniform4fv = (PFNGLUNIFORM4FVPROC)load("glUniform4fv"); + glad_glUniform1iv = (PFNGLUNIFORM1IVPROC)load("glUniform1iv"); + glad_glUniform2iv = (PFNGLUNIFORM2IVPROC)load("glUniform2iv"); + glad_glUniform3iv = (PFNGLUNIFORM3IVPROC)load("glUniform3iv"); + glad_glUniform4iv = (PFNGLUNIFORM4IVPROC)load("glUniform4iv"); + glad_glUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC)load("glUniformMatrix2fv"); + glad_glUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC)load("glUniformMatrix3fv"); + glad_glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)load("glUniformMatrix4fv"); + glad_glValidateProgram = (PFNGLVALIDATEPROGRAMPROC)load("glValidateProgram"); + glad_glVertexAttrib1d = (PFNGLVERTEXATTRIB1DPROC)load("glVertexAttrib1d"); + glad_glVertexAttrib1dv = (PFNGLVERTEXATTRIB1DVPROC)load("glVertexAttrib1dv"); + glad_glVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC)load("glVertexAttrib1f"); + glad_glVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC)load("glVertexAttrib1fv"); + glad_glVertexAttrib1s = (PFNGLVERTEXATTRIB1SPROC)load("glVertexAttrib1s"); + glad_glVertexAttrib1sv = (PFNGLVERTEXATTRIB1SVPROC)load("glVertexAttrib1sv"); + glad_glVertexAttrib2d = (PFNGLVERTEXATTRIB2DPROC)load("glVertexAttrib2d"); + glad_glVertexAttrib2dv = (PFNGLVERTEXATTRIB2DVPROC)load("glVertexAttrib2dv"); + glad_glVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC)load("glVertexAttrib2f"); + glad_glVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC)load("glVertexAttrib2fv"); + glad_glVertexAttrib2s = (PFNGLVERTEXATTRIB2SPROC)load("glVertexAttrib2s"); + glad_glVertexAttrib2sv = (PFNGLVERTEXATTRIB2SVPROC)load("glVertexAttrib2sv"); + glad_glVertexAttrib3d = (PFNGLVERTEXATTRIB3DPROC)load("glVertexAttrib3d"); + glad_glVertexAttrib3dv = (PFNGLVERTEXATTRIB3DVPROC)load("glVertexAttrib3dv"); + glad_glVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC)load("glVertexAttrib3f"); + glad_glVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC)load("glVertexAttrib3fv"); + glad_glVertexAttrib3s = (PFNGLVERTEXATTRIB3SPROC)load("glVertexAttrib3s"); + glad_glVertexAttrib3sv = (PFNGLVERTEXATTRIB3SVPROC)load("glVertexAttrib3sv"); + glad_glVertexAttrib4Nbv = (PFNGLVERTEXATTRIB4NBVPROC)load("glVertexAttrib4Nbv"); + glad_glVertexAttrib4Niv = (PFNGLVERTEXATTRIB4NIVPROC)load("glVertexAttrib4Niv"); + glad_glVertexAttrib4Nsv = (PFNGLVERTEXATTRIB4NSVPROC)load("glVertexAttrib4Nsv"); + glad_glVertexAttrib4Nub = (PFNGLVERTEXATTRIB4NUBPROC)load("glVertexAttrib4Nub"); + glad_glVertexAttrib4Nubv = (PFNGLVERTEXATTRIB4NUBVPROC)load("glVertexAttrib4Nubv"); + glad_glVertexAttrib4Nuiv = (PFNGLVERTEXATTRIB4NUIVPROC)load("glVertexAttrib4Nuiv"); + glad_glVertexAttrib4Nusv = (PFNGLVERTEXATTRIB4NUSVPROC)load("glVertexAttrib4Nusv"); + glad_glVertexAttrib4bv = (PFNGLVERTEXATTRIB4BVPROC)load("glVertexAttrib4bv"); + glad_glVertexAttrib4d = (PFNGLVERTEXATTRIB4DPROC)load("glVertexAttrib4d"); + glad_glVertexAttrib4dv = (PFNGLVERTEXATTRIB4DVPROC)load("glVertexAttrib4dv"); + glad_glVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC)load("glVertexAttrib4f"); + glad_glVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC)load("glVertexAttrib4fv"); + glad_glVertexAttrib4iv = (PFNGLVERTEXATTRIB4IVPROC)load("glVertexAttrib4iv"); + glad_glVertexAttrib4s = (PFNGLVERTEXATTRIB4SPROC)load("glVertexAttrib4s"); + glad_glVertexAttrib4sv = (PFNGLVERTEXATTRIB4SVPROC)load("glVertexAttrib4sv"); + glad_glVertexAttrib4ubv = (PFNGLVERTEXATTRIB4UBVPROC)load("glVertexAttrib4ubv"); + glad_glVertexAttrib4uiv = (PFNGLVERTEXATTRIB4UIVPROC)load("glVertexAttrib4uiv"); + glad_glVertexAttrib4usv = (PFNGLVERTEXATTRIB4USVPROC)load("glVertexAttrib4usv"); + glad_glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)load("glVertexAttribPointer"); +} +static void load_GL_VERSION_2_1(GLADloadproc load) { + if(!GLAD_GL_VERSION_2_1) return; + glad_glUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC)load("glUniformMatrix2x3fv"); + glad_glUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC)load("glUniformMatrix3x2fv"); + glad_glUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC)load("glUniformMatrix2x4fv"); + glad_glUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC)load("glUniformMatrix4x2fv"); + glad_glUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC)load("glUniformMatrix3x4fv"); + glad_glUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC)load("glUniformMatrix4x3fv"); +} +static void load_GL_VERSION_3_0(GLADloadproc load) { + if(!GLAD_GL_VERSION_3_0) return; + glad_glColorMaski = (PFNGLCOLORMASKIPROC)load("glColorMaski"); + glad_glGetBooleani_v = (PFNGLGETBOOLEANI_VPROC)load("glGetBooleani_v"); + glad_glGetIntegeri_v = (PFNGLGETINTEGERI_VPROC)load("glGetIntegeri_v"); + glad_glEnablei = (PFNGLENABLEIPROC)load("glEnablei"); + glad_glDisablei = (PFNGLDISABLEIPROC)load("glDisablei"); + glad_glIsEnabledi = (PFNGLISENABLEDIPROC)load("glIsEnabledi"); + glad_glBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC)load("glBeginTransformFeedback"); 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(PFNGLGETVERTEXATTRIBIUIVPROC)load("glGetVertexAttribIuiv"); + glad_glVertexAttribI1i = (PFNGLVERTEXATTRIBI1IPROC)load("glVertexAttribI1i"); + glad_glVertexAttribI2i = (PFNGLVERTEXATTRIBI2IPROC)load("glVertexAttribI2i"); + glad_glVertexAttribI3i = (PFNGLVERTEXATTRIBI3IPROC)load("glVertexAttribI3i"); + glad_glVertexAttribI4i = (PFNGLVERTEXATTRIBI4IPROC)load("glVertexAttribI4i"); + glad_glVertexAttribI1ui = (PFNGLVERTEXATTRIBI1UIPROC)load("glVertexAttribI1ui"); + glad_glVertexAttribI2ui = (PFNGLVERTEXATTRIBI2UIPROC)load("glVertexAttribI2ui"); + glad_glVertexAttribI3ui = (PFNGLVERTEXATTRIBI3UIPROC)load("glVertexAttribI3ui"); + glad_glVertexAttribI4ui = (PFNGLVERTEXATTRIBI4UIPROC)load("glVertexAttribI4ui"); + glad_glVertexAttribI1iv = (PFNGLVERTEXATTRIBI1IVPROC)load("glVertexAttribI1iv"); + glad_glVertexAttribI2iv = (PFNGLVERTEXATTRIBI2IVPROC)load("glVertexAttribI2iv"); + glad_glVertexAttribI3iv = (PFNGLVERTEXATTRIBI3IVPROC)load("glVertexAttribI3iv"); + glad_glVertexAttribI4iv = (PFNGLVERTEXATTRIBI4IVPROC)load("glVertexAttribI4iv"); + glad_glVertexAttribI1uiv = (PFNGLVERTEXATTRIBI1UIVPROC)load("glVertexAttribI1uiv"); + glad_glVertexAttribI2uiv = (PFNGLVERTEXATTRIBI2UIVPROC)load("glVertexAttribI2uiv"); + glad_glVertexAttribI3uiv = (PFNGLVERTEXATTRIBI3UIVPROC)load("glVertexAttribI3uiv"); + glad_glVertexAttribI4uiv = (PFNGLVERTEXATTRIBI4UIVPROC)load("glVertexAttribI4uiv"); + glad_glVertexAttribI4bv = (PFNGLVERTEXATTRIBI4BVPROC)load("glVertexAttribI4bv"); + glad_glVertexAttribI4sv = (PFNGLVERTEXATTRIBI4SVPROC)load("glVertexAttribI4sv"); + glad_glVertexAttribI4ubv = (PFNGLVERTEXATTRIBI4UBVPROC)load("glVertexAttribI4ubv"); + glad_glVertexAttribI4usv = (PFNGLVERTEXATTRIBI4USVPROC)load("glVertexAttribI4usv"); + glad_glGetUniformuiv = (PFNGLGETUNIFORMUIVPROC)load("glGetUniformuiv"); + glad_glBindFragDataLocation = (PFNGLBINDFRAGDATALOCATIONPROC)load("glBindFragDataLocation"); + glad_glGetFragDataLocation = (PFNGLGETFRAGDATALOCATIONPROC)load("glGetFragDataLocation"); + glad_glUniform1ui = (PFNGLUNIFORM1UIPROC)load("glUniform1ui"); + glad_glUniform2ui = (PFNGLUNIFORM2UIPROC)load("glUniform2ui"); + glad_glUniform3ui = (PFNGLUNIFORM3UIPROC)load("glUniform3ui"); + glad_glUniform4ui = (PFNGLUNIFORM4UIPROC)load("glUniform4ui"); + glad_glUniform1uiv = (PFNGLUNIFORM1UIVPROC)load("glUniform1uiv"); + glad_glUniform2uiv = (PFNGLUNIFORM2UIVPROC)load("glUniform2uiv"); + glad_glUniform3uiv = (PFNGLUNIFORM3UIVPROC)load("glUniform3uiv"); + glad_glUniform4uiv = (PFNGLUNIFORM4UIVPROC)load("glUniform4uiv"); + glad_glTexParameterIiv = (PFNGLTEXPARAMETERIIVPROC)load("glTexParameterIiv"); + glad_glTexParameterIuiv = (PFNGLTEXPARAMETERIUIVPROC)load("glTexParameterIuiv"); + glad_glGetTexParameterIiv = (PFNGLGETTEXPARAMETERIIVPROC)load("glGetTexParameterIiv"); + glad_glGetTexParameterIuiv = (PFNGLGETTEXPARAMETERIUIVPROC)load("glGetTexParameterIuiv"); + glad_glClearBufferiv = (PFNGLCLEARBUFFERIVPROC)load("glClearBufferiv"); + glad_glClearBufferuiv = (PFNGLCLEARBUFFERUIVPROC)load("glClearBufferuiv"); + glad_glClearBufferfv = (PFNGLCLEARBUFFERFVPROC)load("glClearBufferfv"); + glad_glClearBufferfi = (PFNGLCLEARBUFFERFIPROC)load("glClearBufferfi"); + glad_glGetStringi = (PFNGLGETSTRINGIPROC)load("glGetStringi"); + glad_glIsRenderbuffer = (PFNGLISRENDERBUFFERPROC)load("glIsRenderbuffer"); + glad_glBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)load("glBindRenderbuffer"); + glad_glDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)load("glDeleteRenderbuffers"); + glad_glGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)load("glGenRenderbuffers"); + glad_glRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC)load("glRenderbufferStorage"); + glad_glGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC)load("glGetRenderbufferParameteriv"); + glad_glIsFramebuffer = (PFNGLISFRAMEBUFFERPROC)load("glIsFramebuffer"); + glad_glBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)load("glBindFramebuffer"); + glad_glDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)load("glDeleteFramebuffers"); + glad_glGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)load("glGenFramebuffers"); + glad_glCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)load("glCheckFramebufferStatus"); + glad_glFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC)load("glFramebufferTexture1D"); + glad_glFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)load("glFramebufferTexture2D"); + glad_glFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC)load("glFramebufferTexture3D"); + glad_glFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)load("glFramebufferRenderbuffer"); + glad_glGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetFramebufferAttachmentParameteriv"); + glad_glGenerateMipmap = (PFNGLGENERATEMIPMAPPROC)load("glGenerateMipmap"); + glad_glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)load("glBlitFramebuffer"); + glad_glRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glRenderbufferStorageMultisample"); + glad_glFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC)load("glFramebufferTextureLayer"); + glad_glMapBufferRange = (PFNGLMAPBUFFERRANGEPROC)load("glMapBufferRange"); + glad_glFlushMappedBufferRange = (PFNGLFLUSHMAPPEDBUFFERRANGEPROC)load("glFlushMappedBufferRange"); + glad_glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)load("glBindVertexArray"); + glad_glDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC)load("glDeleteVertexArrays"); + glad_glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)load("glGenVertexArrays"); + glad_glIsVertexArray = (PFNGLISVERTEXARRAYPROC)load("glIsVertexArray"); +} +static void load_GL_VERSION_3_1(GLADloadproc load) { + if(!GLAD_GL_VERSION_3_1) return; + glad_glDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDPROC)load("glDrawArraysInstanced"); + glad_glDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDPROC)load("glDrawElementsInstanced"); + glad_glTexBuffer = (PFNGLTEXBUFFERPROC)load("glTexBuffer"); + glad_glPrimitiveRestartIndex = (PFNGLPRIMITIVERESTARTINDEXPROC)load("glPrimitiveRestartIndex"); + glad_glCopyBufferSubData = (PFNGLCOPYBUFFERSUBDATAPROC)load("glCopyBufferSubData"); + glad_glGetUniformIndices = (PFNGLGETUNIFORMINDICESPROC)load("glGetUniformIndices"); + glad_glGetActiveUniformsiv = (PFNGLGETACTIVEUNIFORMSIVPROC)load("glGetActiveUniformsiv"); + glad_glGetActiveUniformName = (PFNGLGETACTIVEUNIFORMNAMEPROC)load("glGetActiveUniformName"); + glad_glGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC)load("glGetUniformBlockIndex"); + glad_glGetActiveUniformBlockiv = (PFNGLGETACTIVEUNIFORMBLOCKIVPROC)load("glGetActiveUniformBlockiv"); + glad_glGetActiveUniformBlockName = (PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC)load("glGetActiveUniformBlockName"); + glad_glUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC)load("glUniformBlockBinding"); + glad_glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC)load("glBindBufferRange"); + glad_glBindBufferBase = (PFNGLBINDBUFFERBASEPROC)load("glBindBufferBase"); + glad_glGetIntegeri_v = (PFNGLGETINTEGERI_VPROC)load("glGetIntegeri_v"); +} +static void load_GL_VERSION_3_2(GLADloadproc load) { + if(!GLAD_GL_VERSION_3_2) return; + glad_glDrawElementsBaseVertex = (PFNGLDRAWELEMENTSBASEVERTEXPROC)load("glDrawElementsBaseVertex"); + glad_glDrawRangeElementsBaseVertex = (PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC)load("glDrawRangeElementsBaseVertex"); + glad_glDrawElementsInstancedBaseVertex = (PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC)load("glDrawElementsInstancedBaseVertex"); + glad_glMultiDrawElementsBaseVertex = (PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC)load("glMultiDrawElementsBaseVertex"); + glad_glProvokingVertex = (PFNGLPROVOKINGVERTEXPROC)load("glProvokingVertex"); + glad_glFenceSync = (PFNGLFENCESYNCPROC)load("glFenceSync"); + glad_glIsSync = (PFNGLISSYNCPROC)load("glIsSync"); + glad_glDeleteSync = (PFNGLDELETESYNCPROC)load("glDeleteSync"); + glad_glClientWaitSync = (PFNGLCLIENTWAITSYNCPROC)load("glClientWaitSync"); + glad_glWaitSync = (PFNGLWAITSYNCPROC)load("glWaitSync"); + glad_glGetInteger64v = (PFNGLGETINTEGER64VPROC)load("glGetInteger64v"); + glad_glGetSynciv = (PFNGLGETSYNCIVPROC)load("glGetSynciv"); + glad_glGetInteger64i_v = (PFNGLGETINTEGER64I_VPROC)load("glGetInteger64i_v"); + glad_glGetBufferParameteri64v = (PFNGLGETBUFFERPARAMETERI64VPROC)load("glGetBufferParameteri64v"); + glad_glFramebufferTexture = (PFNGLFRAMEBUFFERTEXTUREPROC)load("glFramebufferTexture"); + glad_glTexImage2DMultisample = (PFNGLTEXIMAGE2DMULTISAMPLEPROC)load("glTexImage2DMultisample"); + glad_glTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC)load("glTexImage3DMultisample"); + glad_glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC)load("glGetMultisamplefv"); + glad_glSampleMaski = (PFNGLSAMPLEMASKIPROC)load("glSampleMaski"); +} +static void load_GL_VERSION_3_3(GLADloadproc load) { + if(!GLAD_GL_VERSION_3_3) return; + glad_glBindFragDataLocationIndexed = (PFNGLBINDFRAGDATALOCATIONINDEXEDPROC)load("glBindFragDataLocationIndexed"); + glad_glGetFragDataIndex = (PFNGLGETFRAGDATAINDEXPROC)load("glGetFragDataIndex"); + glad_glGenSamplers = (PFNGLGENSAMPLERSPROC)load("glGenSamplers"); + glad_glDeleteSamplers = (PFNGLDELETESAMPLERSPROC)load("glDeleteSamplers"); + glad_glIsSampler = (PFNGLISSAMPLERPROC)load("glIsSampler"); + glad_glBindSampler = (PFNGLBINDSAMPLERPROC)load("glBindSampler"); + glad_glSamplerParameteri = (PFNGLSAMPLERPARAMETERIPROC)load("glSamplerParameteri"); + glad_glSamplerParameteriv = (PFNGLSAMPLERPARAMETERIVPROC)load("glSamplerParameteriv"); + glad_glSamplerParameterf = (PFNGLSAMPLERPARAMETERFPROC)load("glSamplerParameterf"); + glad_glSamplerParameterfv = (PFNGLSAMPLERPARAMETERFVPROC)load("glSamplerParameterfv"); + glad_glSamplerParameterIiv = (PFNGLSAMPLERPARAMETERIIVPROC)load("glSamplerParameterIiv"); + glad_glSamplerParameterIuiv = (PFNGLSAMPLERPARAMETERIUIVPROC)load("glSamplerParameterIuiv"); + glad_glGetSamplerParameteriv = (PFNGLGETSAMPLERPARAMETERIVPROC)load("glGetSamplerParameteriv"); + glad_glGetSamplerParameterIiv = (PFNGLGETSAMPLERPARAMETERIIVPROC)load("glGetSamplerParameterIiv"); + glad_glGetSamplerParameterfv = (PFNGLGETSAMPLERPARAMETERFVPROC)load("glGetSamplerParameterfv"); + glad_glGetSamplerParameterIuiv = (PFNGLGETSAMPLERPARAMETERIUIVPROC)load("glGetSamplerParameterIuiv"); + glad_glQueryCounter = (PFNGLQUERYCOUNTERPROC)load("glQueryCounter"); + glad_glGetQueryObjecti64v = (PFNGLGETQUERYOBJECTI64VPROC)load("glGetQueryObjecti64v"); + glad_glGetQueryObjectui64v = (PFNGLGETQUERYOBJECTUI64VPROC)load("glGetQueryObjectui64v"); + glad_glVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISORPROC)load("glVertexAttribDivisor"); + glad_glVertexAttribP1ui = (PFNGLVERTEXATTRIBP1UIPROC)load("glVertexAttribP1ui"); + glad_glVertexAttribP1uiv = (PFNGLVERTEXATTRIBP1UIVPROC)load("glVertexAttribP1uiv"); + glad_glVertexAttribP2ui = (PFNGLVERTEXATTRIBP2UIPROC)load("glVertexAttribP2ui"); + glad_glVertexAttribP2uiv = (PFNGLVERTEXATTRIBP2UIVPROC)load("glVertexAttribP2uiv"); + glad_glVertexAttribP3ui = (PFNGLVERTEXATTRIBP3UIPROC)load("glVertexAttribP3ui"); + glad_glVertexAttribP3uiv = (PFNGLVERTEXATTRIBP3UIVPROC)load("glVertexAttribP3uiv"); + glad_glVertexAttribP4ui = (PFNGLVERTEXATTRIBP4UIPROC)load("glVertexAttribP4ui"); + glad_glVertexAttribP4uiv = (PFNGLVERTEXATTRIBP4UIVPROC)load("glVertexAttribP4uiv"); + glad_glVertexP2ui = (PFNGLVERTEXP2UIPROC)load("glVertexP2ui"); + glad_glVertexP2uiv = (PFNGLVERTEXP2UIVPROC)load("glVertexP2uiv"); + glad_glVertexP3ui = (PFNGLVERTEXP3UIPROC)load("glVertexP3ui"); + glad_glVertexP3uiv = (PFNGLVERTEXP3UIVPROC)load("glVertexP3uiv"); + glad_glVertexP4ui = (PFNGLVERTEXP4UIPROC)load("glVertexP4ui"); + glad_glVertexP4uiv = (PFNGLVERTEXP4UIVPROC)load("glVertexP4uiv"); + glad_glTexCoordP1ui = (PFNGLTEXCOORDP1UIPROC)load("glTexCoordP1ui"); + glad_glTexCoordP1uiv = (PFNGLTEXCOORDP1UIVPROC)load("glTexCoordP1uiv"); + glad_glTexCoordP2ui = (PFNGLTEXCOORDP2UIPROC)load("glTexCoordP2ui"); + glad_glTexCoordP2uiv = (PFNGLTEXCOORDP2UIVPROC)load("glTexCoordP2uiv"); + glad_glTexCoordP3ui = (PFNGLTEXCOORDP3UIPROC)load("glTexCoordP3ui"); + glad_glTexCoordP3uiv = (PFNGLTEXCOORDP3UIVPROC)load("glTexCoordP3uiv"); + glad_glTexCoordP4ui = (PFNGLTEXCOORDP4UIPROC)load("glTexCoordP4ui"); + glad_glTexCoordP4uiv = (PFNGLTEXCOORDP4UIVPROC)load("glTexCoordP4uiv"); + glad_glMultiTexCoordP1ui = (PFNGLMULTITEXCOORDP1UIPROC)load("glMultiTexCoordP1ui"); + glad_glMultiTexCoordP1uiv = (PFNGLMULTITEXCOORDP1UIVPROC)load("glMultiTexCoordP1uiv"); + glad_glMultiTexCoordP2ui = (PFNGLMULTITEXCOORDP2UIPROC)load("glMultiTexCoordP2ui"); + glad_glMultiTexCoordP2uiv = (PFNGLMULTITEXCOORDP2UIVPROC)load("glMultiTexCoordP2uiv"); + glad_glMultiTexCoordP3ui = (PFNGLMULTITEXCOORDP3UIPROC)load("glMultiTexCoordP3ui"); + glad_glMultiTexCoordP3uiv = (PFNGLMULTITEXCOORDP3UIVPROC)load("glMultiTexCoordP3uiv"); + glad_glMultiTexCoordP4ui = (PFNGLMULTITEXCOORDP4UIPROC)load("glMultiTexCoordP4ui"); + glad_glMultiTexCoordP4uiv = (PFNGLMULTITEXCOORDP4UIVPROC)load("glMultiTexCoordP4uiv"); + glad_glNormalP3ui = (PFNGLNORMALP3UIPROC)load("glNormalP3ui"); + glad_glNormalP3uiv = (PFNGLNORMALP3UIVPROC)load("glNormalP3uiv"); + glad_glColorP3ui = (PFNGLCOLORP3UIPROC)load("glColorP3ui"); + glad_glColorP3uiv = (PFNGLCOLORP3UIVPROC)load("glColorP3uiv"); + glad_glColorP4ui = (PFNGLCOLORP4UIPROC)load("glColorP4ui"); + glad_glColorP4uiv = (PFNGLCOLORP4UIVPROC)load("glColorP4uiv"); + glad_glSecondaryColorP3ui = (PFNGLSECONDARYCOLORP3UIPROC)load("glSecondaryColorP3ui"); + glad_glSecondaryColorP3uiv = (PFNGLSECONDARYCOLORP3UIVPROC)load("glSecondaryColorP3uiv"); +} +static void load_GL_VERSION_4_0(GLADloadproc load) { + if(!GLAD_GL_VERSION_4_0) return; + glad_glMinSampleShading = (PFNGLMINSAMPLESHADINGPROC)load("glMinSampleShading"); + glad_glBlendEquationi = (PFNGLBLENDEQUATIONIPROC)load("glBlendEquationi"); + glad_glBlendEquationSeparatei = (PFNGLBLENDEQUATIONSEPARATEIPROC)load("glBlendEquationSeparatei"); + glad_glBlendFunci = (PFNGLBLENDFUNCIPROC)load("glBlendFunci"); + glad_glBlendFuncSeparatei = (PFNGLBLENDFUNCSEPARATEIPROC)load("glBlendFuncSeparatei"); + glad_glDrawArraysIndirect = (PFNGLDRAWARRAYSINDIRECTPROC)load("glDrawArraysIndirect"); + glad_glDrawElementsIndirect = (PFNGLDRAWELEMENTSINDIRECTPROC)load("glDrawElementsIndirect"); + glad_glUniform1d = (PFNGLUNIFORM1DPROC)load("glUniform1d"); + glad_glUniform2d = (PFNGLUNIFORM2DPROC)load("glUniform2d"); + glad_glUniform3d = (PFNGLUNIFORM3DPROC)load("glUniform3d"); + glad_glUniform4d = (PFNGLUNIFORM4DPROC)load("glUniform4d"); + glad_glUniform1dv = (PFNGLUNIFORM1DVPROC)load("glUniform1dv"); + glad_glUniform2dv = (PFNGLUNIFORM2DVPROC)load("glUniform2dv"); + glad_glUniform3dv = (PFNGLUNIFORM3DVPROC)load("glUniform3dv"); + glad_glUniform4dv = (PFNGLUNIFORM4DVPROC)load("glUniform4dv"); + glad_glUniformMatrix2dv = (PFNGLUNIFORMMATRIX2DVPROC)load("glUniformMatrix2dv"); + glad_glUniformMatrix3dv = (PFNGLUNIFORMMATRIX3DVPROC)load("glUniformMatrix3dv"); + glad_glUniformMatrix4dv = (PFNGLUNIFORMMATRIX4DVPROC)load("glUniformMatrix4dv"); + glad_glUniformMatrix2x3dv = (PFNGLUNIFORMMATRIX2X3DVPROC)load("glUniformMatrix2x3dv"); + glad_glUniformMatrix2x4dv = (PFNGLUNIFORMMATRIX2X4DVPROC)load("glUniformMatrix2x4dv"); + glad_glUniformMatrix3x2dv = (PFNGLUNIFORMMATRIX3X2DVPROC)load("glUniformMatrix3x2dv"); + glad_glUniformMatrix3x4dv = (PFNGLUNIFORMMATRIX3X4DVPROC)load("glUniformMatrix3x4dv"); + glad_glUniformMatrix4x2dv = (PFNGLUNIFORMMATRIX4X2DVPROC)load("glUniformMatrix4x2dv"); + glad_glUniformMatrix4x3dv = (PFNGLUNIFORMMATRIX4X3DVPROC)load("glUniformMatrix4x3dv"); + glad_glGetUniformdv = (PFNGLGETUNIFORMDVPROC)load("glGetUniformdv"); + glad_glGetSubroutineUniformLocation = (PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC)load("glGetSubroutineUniformLocation"); + glad_glGetSubroutineIndex = (PFNGLGETSUBROUTINEINDEXPROC)load("glGetSubroutineIndex"); + glad_glGetActiveSubroutineUniformiv = (PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC)load("glGetActiveSubroutineUniformiv"); + glad_glGetActiveSubroutineUniformName = (PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC)load("glGetActiveSubroutineUniformName"); + glad_glGetActiveSubroutineName = (PFNGLGETACTIVESUBROUTINENAMEPROC)load("glGetActiveSubroutineName"); + glad_glUniformSubroutinesuiv = (PFNGLUNIFORMSUBROUTINESUIVPROC)load("glUniformSubroutinesuiv"); + glad_glGetUniformSubroutineuiv = (PFNGLGETUNIFORMSUBROUTINEUIVPROC)load("glGetUniformSubroutineuiv"); + glad_glGetProgramStageiv = (PFNGLGETPROGRAMSTAGEIVPROC)load("glGetProgramStageiv"); + glad_glPatchParameteri = (PFNGLPATCHPARAMETERIPROC)load("glPatchParameteri"); + glad_glPatchParameterfv = (PFNGLPATCHPARAMETERFVPROC)load("glPatchParameterfv"); + glad_glBindTransformFeedback = (PFNGLBINDTRANSFORMFEEDBACKPROC)load("glBindTransformFeedback"); + glad_glDeleteTransformFeedbacks = (PFNGLDELETETRANSFORMFEEDBACKSPROC)load("glDeleteTransformFeedbacks"); + glad_glGenTransformFeedbacks = (PFNGLGENTRANSFORMFEEDBACKSPROC)load("glGenTransformFeedbacks"); + glad_glIsTransformFeedback = (PFNGLISTRANSFORMFEEDBACKPROC)load("glIsTransformFeedback"); + glad_glPauseTransformFeedback = (PFNGLPAUSETRANSFORMFEEDBACKPROC)load("glPauseTransformFeedback"); + glad_glResumeTransformFeedback = (PFNGLRESUMETRANSFORMFEEDBACKPROC)load("glResumeTransformFeedback"); + glad_glDrawTransformFeedback = (PFNGLDRAWTRANSFORMFEEDBACKPROC)load("glDrawTransformFeedback"); + glad_glDrawTransformFeedbackStream = (PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC)load("glDrawTransformFeedbackStream"); + glad_glBeginQueryIndexed = (PFNGLBEGINQUERYINDEXEDPROC)load("glBeginQueryIndexed"); + glad_glEndQueryIndexed = (PFNGLENDQUERYINDEXEDPROC)load("glEndQueryIndexed"); + glad_glGetQueryIndexediv = (PFNGLGETQUERYINDEXEDIVPROC)load("glGetQueryIndexediv"); +} +static void load_GL_VERSION_4_1(GLADloadproc load) { + 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(PFNGLBINDPROGRAMPIPELINEPROC)load("glBindProgramPipeline"); + glad_glDeleteProgramPipelines = (PFNGLDELETEPROGRAMPIPELINESPROC)load("glDeleteProgramPipelines"); + glad_glGenProgramPipelines = (PFNGLGENPROGRAMPIPELINESPROC)load("glGenProgramPipelines"); + glad_glIsProgramPipeline = (PFNGLISPROGRAMPIPELINEPROC)load("glIsProgramPipeline"); + glad_glGetProgramPipelineiv = (PFNGLGETPROGRAMPIPELINEIVPROC)load("glGetProgramPipelineiv"); + glad_glProgramParameteri = (PFNGLPROGRAMPARAMETERIPROC)load("glProgramParameteri"); + glad_glProgramUniform1i = (PFNGLPROGRAMUNIFORM1IPROC)load("glProgramUniform1i"); + glad_glProgramUniform1iv = (PFNGLPROGRAMUNIFORM1IVPROC)load("glProgramUniform1iv"); + glad_glProgramUniform1f = (PFNGLPROGRAMUNIFORM1FPROC)load("glProgramUniform1f"); + glad_glProgramUniform1fv = (PFNGLPROGRAMUNIFORM1FVPROC)load("glProgramUniform1fv"); + glad_glProgramUniform1d = (PFNGLPROGRAMUNIFORM1DPROC)load("glProgramUniform1d"); + glad_glProgramUniform1dv = (PFNGLPROGRAMUNIFORM1DVPROC)load("glProgramUniform1dv"); + glad_glProgramUniform1ui = (PFNGLPROGRAMUNIFORM1UIPROC)load("glProgramUniform1ui"); + glad_glProgramUniform1uiv = (PFNGLPROGRAMUNIFORM1UIVPROC)load("glProgramUniform1uiv"); + glad_glProgramUniform2i = (PFNGLPROGRAMUNIFORM2IPROC)load("glProgramUniform2i"); + glad_glProgramUniform2iv = (PFNGLPROGRAMUNIFORM2IVPROC)load("glProgramUniform2iv"); + glad_glProgramUniform2f = (PFNGLPROGRAMUNIFORM2FPROC)load("glProgramUniform2f"); + glad_glProgramUniform2fv = (PFNGLPROGRAMUNIFORM2FVPROC)load("glProgramUniform2fv"); + glad_glProgramUniform2d = (PFNGLPROGRAMUNIFORM2DPROC)load("glProgramUniform2d"); + glad_glProgramUniform2dv = (PFNGLPROGRAMUNIFORM2DVPROC)load("glProgramUniform2dv"); + glad_glProgramUniform2ui = (PFNGLPROGRAMUNIFORM2UIPROC)load("glProgramUniform2ui"); + glad_glProgramUniform2uiv = (PFNGLPROGRAMUNIFORM2UIVPROC)load("glProgramUniform2uiv"); + glad_glProgramUniform3i = (PFNGLPROGRAMUNIFORM3IPROC)load("glProgramUniform3i"); + glad_glProgramUniform3iv = (PFNGLPROGRAMUNIFORM3IVPROC)load("glProgramUniform3iv"); + glad_glProgramUniform3f = (PFNGLPROGRAMUNIFORM3FPROC)load("glProgramUniform3f"); + glad_glProgramUniform3fv = (PFNGLPROGRAMUNIFORM3FVPROC)load("glProgramUniform3fv"); + glad_glProgramUniform3d = (PFNGLPROGRAMUNIFORM3DPROC)load("glProgramUniform3d"); + glad_glProgramUniform3dv = (PFNGLPROGRAMUNIFORM3DVPROC)load("glProgramUniform3dv"); + glad_glProgramUniform3ui = (PFNGLPROGRAMUNIFORM3UIPROC)load("glProgramUniform3ui"); + glad_glProgramUniform3uiv = (PFNGLPROGRAMUNIFORM3UIVPROC)load("glProgramUniform3uiv"); + glad_glProgramUniform4i = (PFNGLPROGRAMUNIFORM4IPROC)load("glProgramUniform4i"); + glad_glProgramUniform4iv = (PFNGLPROGRAMUNIFORM4IVPROC)load("glProgramUniform4iv"); + glad_glProgramUniform4f = (PFNGLPROGRAMUNIFORM4FPROC)load("glProgramUniform4f"); + glad_glProgramUniform4fv = (PFNGLPROGRAMUNIFORM4FVPROC)load("glProgramUniform4fv"); + glad_glProgramUniform4d = 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(PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC)load("glProgramUniformMatrix4x2dv"); + glad_glProgramUniformMatrix3x4dv = (PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC)load("glProgramUniformMatrix3x4dv"); + glad_glProgramUniformMatrix4x3dv = (PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC)load("glProgramUniformMatrix4x3dv"); + glad_glValidateProgramPipeline = (PFNGLVALIDATEPROGRAMPIPELINEPROC)load("glValidateProgramPipeline"); + glad_glGetProgramPipelineInfoLog = (PFNGLGETPROGRAMPIPELINEINFOLOGPROC)load("glGetProgramPipelineInfoLog"); + glad_glVertexAttribL1d = (PFNGLVERTEXATTRIBL1DPROC)load("glVertexAttribL1d"); + glad_glVertexAttribL2d = (PFNGLVERTEXATTRIBL2DPROC)load("glVertexAttribL2d"); + glad_glVertexAttribL3d = (PFNGLVERTEXATTRIBL3DPROC)load("glVertexAttribL3d"); + glad_glVertexAttribL4d = (PFNGLVERTEXATTRIBL4DPROC)load("glVertexAttribL4d"); + glad_glVertexAttribL1dv = (PFNGLVERTEXATTRIBL1DVPROC)load("glVertexAttribL1dv"); + glad_glVertexAttribL2dv = (PFNGLVERTEXATTRIBL2DVPROC)load("glVertexAttribL2dv"); + glad_glVertexAttribL3dv = (PFNGLVERTEXATTRIBL3DVPROC)load("glVertexAttribL3dv"); + glad_glVertexAttribL4dv = (PFNGLVERTEXATTRIBL4DVPROC)load("glVertexAttribL4dv"); + glad_glVertexAttribLPointer = (PFNGLVERTEXATTRIBLPOINTERPROC)load("glVertexAttribLPointer"); + glad_glGetVertexAttribLdv = (PFNGLGETVERTEXATTRIBLDVPROC)load("glGetVertexAttribLdv"); + glad_glViewportArrayv = (PFNGLVIEWPORTARRAYVPROC)load("glViewportArrayv"); + glad_glViewportIndexedf = (PFNGLVIEWPORTINDEXEDFPROC)load("glViewportIndexedf"); + glad_glViewportIndexedfv = (PFNGLVIEWPORTINDEXEDFVPROC)load("glViewportIndexedfv"); + glad_glScissorArrayv = (PFNGLSCISSORARRAYVPROC)load("glScissorArrayv"); + glad_glScissorIndexed = (PFNGLSCISSORINDEXEDPROC)load("glScissorIndexed"); + glad_glScissorIndexedv = (PFNGLSCISSORINDEXEDVPROC)load("glScissorIndexedv"); + glad_glDepthRangeArrayv = (PFNGLDEPTHRANGEARRAYVPROC)load("glDepthRangeArrayv"); + glad_glDepthRangeIndexed = (PFNGLDEPTHRANGEINDEXEDPROC)load("glDepthRangeIndexed"); + glad_glGetFloati_v = (PFNGLGETFLOATI_VPROC)load("glGetFloati_v"); + glad_glGetDoublei_v = (PFNGLGETDOUBLEI_VPROC)load("glGetDoublei_v"); +} +static void load_GL_VERSION_4_2(GLADloadproc load) { + if(!GLAD_GL_VERSION_4_2) return; + glad_glDrawArraysInstancedBaseInstance = (PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC)load("glDrawArraysInstancedBaseInstance"); + glad_glDrawElementsInstancedBaseInstance = (PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC)load("glDrawElementsInstancedBaseInstance"); + glad_glDrawElementsInstancedBaseVertexBaseInstance = (PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC)load("glDrawElementsInstancedBaseVertexBaseInstance"); + glad_glGetInternalformativ = (PFNGLGETINTERNALFORMATIVPROC)load("glGetInternalformativ"); + glad_glGetActiveAtomicCounterBufferiv = (PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC)load("glGetActiveAtomicCounterBufferiv"); + glad_glBindImageTexture = (PFNGLBINDIMAGETEXTUREPROC)load("glBindImageTexture"); + glad_glMemoryBarrier = (PFNGLMEMORYBARRIERPROC)load("glMemoryBarrier"); + glad_glTexStorage1D = (PFNGLTEXSTORAGE1DPROC)load("glTexStorage1D"); + glad_glTexStorage2D = (PFNGLTEXSTORAGE2DPROC)load("glTexStorage2D"); + glad_glTexStorage3D = (PFNGLTEXSTORAGE3DPROC)load("glTexStorage3D"); + glad_glDrawTransformFeedbackInstanced = (PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC)load("glDrawTransformFeedbackInstanced"); + glad_glDrawTransformFeedbackStreamInstanced = (PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC)load("glDrawTransformFeedbackStreamInstanced"); +} +static void load_GL_VERSION_4_3(GLADloadproc load) { + if(!GLAD_GL_VERSION_4_3) return; + glad_glClearBufferData = (PFNGLCLEARBUFFERDATAPROC)load("glClearBufferData"); + glad_glClearBufferSubData = (PFNGLCLEARBUFFERSUBDATAPROC)load("glClearBufferSubData"); + glad_glDispatchCompute = (PFNGLDISPATCHCOMPUTEPROC)load("glDispatchCompute"); + glad_glDispatchComputeIndirect = (PFNGLDISPATCHCOMPUTEINDIRECTPROC)load("glDispatchComputeIndirect"); + glad_glCopyImageSubData 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(PFNGLMULTIDRAWARRAYSINDIRECTPROC)load("glMultiDrawArraysIndirect"); + glad_glMultiDrawElementsIndirect = (PFNGLMULTIDRAWELEMENTSINDIRECTPROC)load("glMultiDrawElementsIndirect"); + glad_glGetProgramInterfaceiv = (PFNGLGETPROGRAMINTERFACEIVPROC)load("glGetProgramInterfaceiv"); + glad_glGetProgramResourceIndex = (PFNGLGETPROGRAMRESOURCEINDEXPROC)load("glGetProgramResourceIndex"); + glad_glGetProgramResourceName = (PFNGLGETPROGRAMRESOURCENAMEPROC)load("glGetProgramResourceName"); + glad_glGetProgramResourceiv = (PFNGLGETPROGRAMRESOURCEIVPROC)load("glGetProgramResourceiv"); + glad_glGetProgramResourceLocation = (PFNGLGETPROGRAMRESOURCELOCATIONPROC)load("glGetProgramResourceLocation"); + glad_glGetProgramResourceLocationIndex = (PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC)load("glGetProgramResourceLocationIndex"); + glad_glShaderStorageBlockBinding = (PFNGLSHADERSTORAGEBLOCKBINDINGPROC)load("glShaderStorageBlockBinding"); + glad_glTexBufferRange = (PFNGLTEXBUFFERRANGEPROC)load("glTexBufferRange"); + glad_glTexStorage2DMultisample = (PFNGLTEXSTORAGE2DMULTISAMPLEPROC)load("glTexStorage2DMultisample"); + glad_glTexStorage3DMultisample = (PFNGLTEXSTORAGE3DMULTISAMPLEPROC)load("glTexStorage3DMultisample"); + glad_glTextureView = (PFNGLTEXTUREVIEWPROC)load("glTextureView"); + glad_glBindVertexBuffer = (PFNGLBINDVERTEXBUFFERPROC)load("glBindVertexBuffer"); + glad_glVertexAttribFormat = (PFNGLVERTEXATTRIBFORMATPROC)load("glVertexAttribFormat"); + glad_glVertexAttribIFormat = (PFNGLVERTEXATTRIBIFORMATPROC)load("glVertexAttribIFormat"); + glad_glVertexAttribLFormat = (PFNGLVERTEXATTRIBLFORMATPROC)load("glVertexAttribLFormat"); + glad_glVertexAttribBinding = (PFNGLVERTEXATTRIBBINDINGPROC)load("glVertexAttribBinding"); + glad_glVertexBindingDivisor = (PFNGLVERTEXBINDINGDIVISORPROC)load("glVertexBindingDivisor"); + glad_glDebugMessageControl = (PFNGLDEBUGMESSAGECONTROLPROC)load("glDebugMessageControl"); + glad_glDebugMessageInsert = (PFNGLDEBUGMESSAGEINSERTPROC)load("glDebugMessageInsert"); + glad_glDebugMessageCallback = (PFNGLDEBUGMESSAGECALLBACKPROC)load("glDebugMessageCallback"); + glad_glGetDebugMessageLog = (PFNGLGETDEBUGMESSAGELOGPROC)load("glGetDebugMessageLog"); + glad_glPushDebugGroup = (PFNGLPUSHDEBUGGROUPPROC)load("glPushDebugGroup"); + glad_glPopDebugGroup = (PFNGLPOPDEBUGGROUPPROC)load("glPopDebugGroup"); + glad_glObjectLabel = (PFNGLOBJECTLABELPROC)load("glObjectLabel"); + glad_glGetObjectLabel = (PFNGLGETOBJECTLABELPROC)load("glGetObjectLabel"); + glad_glObjectPtrLabel = (PFNGLOBJECTPTRLABELPROC)load("glObjectPtrLabel"); + glad_glGetObjectPtrLabel = (PFNGLGETOBJECTPTRLABELPROC)load("glGetObjectPtrLabel"); + glad_glGetPointerv = (PFNGLGETPOINTERVPROC)load("glGetPointerv"); +} +static void load_GL_VERSION_4_4(GLADloadproc load) { + if(!GLAD_GL_VERSION_4_4) return; + glad_glBufferStorage = (PFNGLBUFFERSTORAGEPROC)load("glBufferStorage"); + glad_glClearTexImage = (PFNGLCLEARTEXIMAGEPROC)load("glClearTexImage"); + glad_glClearTexSubImage = (PFNGLCLEARTEXSUBIMAGEPROC)load("glClearTexSubImage"); + glad_glBindBuffersBase = (PFNGLBINDBUFFERSBASEPROC)load("glBindBuffersBase"); + glad_glBindBuffersRange = (PFNGLBINDBUFFERSRANGEPROC)load("glBindBuffersRange"); + glad_glBindTextures = (PFNGLBINDTEXTURESPROC)load("glBindTextures"); + glad_glBindSamplers = (PFNGLBINDSAMPLERSPROC)load("glBindSamplers"); + glad_glBindImageTextures = (PFNGLBINDIMAGETEXTURESPROC)load("glBindImageTextures"); + glad_glBindVertexBuffers = (PFNGLBINDVERTEXBUFFERSPROC)load("glBindVertexBuffers"); +} +static void load_GL_VERSION_4_5(GLADloadproc load) { + if(!GLAD_GL_VERSION_4_5) return; + glad_glClipControl = (PFNGLCLIPCONTROLPROC)load("glClipControl"); + glad_glCreateTransformFeedbacks = (PFNGLCREATETRANSFORMFEEDBACKSPROC)load("glCreateTransformFeedbacks"); + glad_glTransformFeedbackBufferBase = (PFNGLTRANSFORMFEEDBACKBUFFERBASEPROC)load("glTransformFeedbackBufferBase"); + glad_glTransformFeedbackBufferRange = (PFNGLTRANSFORMFEEDBACKBUFFERRANGEPROC)load("glTransformFeedbackBufferRange"); + glad_glGetTransformFeedbackiv = (PFNGLGETTRANSFORMFEEDBACKIVPROC)load("glGetTransformFeedbackiv"); + glad_glGetTransformFeedbacki_v = (PFNGLGETTRANSFORMFEEDBACKI_VPROC)load("glGetTransformFeedbacki_v"); + glad_glGetTransformFeedbacki64_v = (PFNGLGETTRANSFORMFEEDBACKI64_VPROC)load("glGetTransformFeedbacki64_v"); + glad_glCreateBuffers = (PFNGLCREATEBUFFERSPROC)load("glCreateBuffers"); + glad_glNamedBufferStorage = (PFNGLNAMEDBUFFERSTORAGEPROC)load("glNamedBufferStorage"); + glad_glNamedBufferData = (PFNGLNAMEDBUFFERDATAPROC)load("glNamedBufferData"); + glad_glNamedBufferSubData = (PFNGLNAMEDBUFFERSUBDATAPROC)load("glNamedBufferSubData"); + glad_glCopyNamedBufferSubData = (PFNGLCOPYNAMEDBUFFERSUBDATAPROC)load("glCopyNamedBufferSubData"); + glad_glClearNamedBufferData = (PFNGLCLEARNAMEDBUFFERDATAPROC)load("glClearNamedBufferData"); + glad_glClearNamedBufferSubData = (PFNGLCLEARNAMEDBUFFERSUBDATAPROC)load("glClearNamedBufferSubData"); + glad_glMapNamedBuffer = (PFNGLMAPNAMEDBUFFERPROC)load("glMapNamedBuffer"); + glad_glMapNamedBufferRange = (PFNGLMAPNAMEDBUFFERRANGEPROC)load("glMapNamedBufferRange"); + glad_glUnmapNamedBuffer = (PFNGLUNMAPNAMEDBUFFERPROC)load("glUnmapNamedBuffer"); + glad_glFlushMappedNamedBufferRange = (PFNGLFLUSHMAPPEDNAMEDBUFFERRANGEPROC)load("glFlushMappedNamedBufferRange"); + glad_glGetNamedBufferParameteriv = (PFNGLGETNAMEDBUFFERPARAMETERIVPROC)load("glGetNamedBufferParameteriv"); + glad_glGetNamedBufferParameteri64v = (PFNGLGETNAMEDBUFFERPARAMETERI64VPROC)load("glGetNamedBufferParameteri64v"); + glad_glGetNamedBufferPointerv = (PFNGLGETNAMEDBUFFERPOINTERVPROC)load("glGetNamedBufferPointerv"); + glad_glGetNamedBufferSubData = (PFNGLGETNAMEDBUFFERSUBDATAPROC)load("glGetNamedBufferSubData"); + glad_glCreateFramebuffers = (PFNGLCREATEFRAMEBUFFERSPROC)load("glCreateFramebuffers"); + glad_glNamedFramebufferRenderbuffer = (PFNGLNAMEDFRAMEBUFFERRENDERBUFFERPROC)load("glNamedFramebufferRenderbuffer"); + glad_glNamedFramebufferParameteri = (PFNGLNAMEDFRAMEBUFFERPARAMETERIPROC)load("glNamedFramebufferParameteri"); + glad_glNamedFramebufferTexture = (PFNGLNAMEDFRAMEBUFFERTEXTUREPROC)load("glNamedFramebufferTexture"); + glad_glNamedFramebufferTextureLayer = (PFNGLNAMEDFRAMEBUFFERTEXTURELAYERPROC)load("glNamedFramebufferTextureLayer"); + glad_glNamedFramebufferDrawBuffer = (PFNGLNAMEDFRAMEBUFFERDRAWBUFFERPROC)load("glNamedFramebufferDrawBuffer"); + glad_glNamedFramebufferDrawBuffers = (PFNGLNAMEDFRAMEBUFFERDRAWBUFFERSPROC)load("glNamedFramebufferDrawBuffers"); + glad_glNamedFramebufferReadBuffer = (PFNGLNAMEDFRAMEBUFFERREADBUFFERPROC)load("glNamedFramebufferReadBuffer"); + glad_glInvalidateNamedFramebufferData = (PFNGLINVALIDATENAMEDFRAMEBUFFERDATAPROC)load("glInvalidateNamedFramebufferData"); + glad_glInvalidateNamedFramebufferSubData = (PFNGLINVALIDATENAMEDFRAMEBUFFERSUBDATAPROC)load("glInvalidateNamedFramebufferSubData"); + glad_glClearNamedFramebufferiv = (PFNGLCLEARNAMEDFRAMEBUFFERIVPROC)load("glClearNamedFramebufferiv"); + glad_glClearNamedFramebufferuiv = (PFNGLCLEARNAMEDFRAMEBUFFERUIVPROC)load("glClearNamedFramebufferuiv"); + glad_glClearNamedFramebufferfv = (PFNGLCLEARNAMEDFRAMEBUFFERFVPROC)load("glClearNamedFramebufferfv"); + glad_glClearNamedFramebufferfi = (PFNGLCLEARNAMEDFRAMEBUFFERFIPROC)load("glClearNamedFramebufferfi"); + glad_glBlitNamedFramebuffer = (PFNGLBLITNAMEDFRAMEBUFFERPROC)load("glBlitNamedFramebuffer"); + glad_glCheckNamedFramebufferStatus = (PFNGLCHECKNAMEDFRAMEBUFFERSTATUSPROC)load("glCheckNamedFramebufferStatus"); + glad_glGetNamedFramebufferParameteriv = (PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVPROC)load("glGetNamedFramebufferParameteriv"); + glad_glGetNamedFramebufferAttachmentParameteriv = (PFNGLGETNAMEDFRAMEBUFFERATTACHMENTPARAMETERIVPROC)load("glGetNamedFramebufferAttachmentParameteriv"); + glad_glCreateRenderbuffers = (PFNGLCREATERENDERBUFFERSPROC)load("glCreateRenderbuffers"); + glad_glNamedRenderbufferStorage = (PFNGLNAMEDRENDERBUFFERSTORAGEPROC)load("glNamedRenderbufferStorage"); + glad_glNamedRenderbufferStorageMultisample = (PFNGLNAMEDRENDERBUFFERSTORAGEMULTISAMPLEPROC)load("glNamedRenderbufferStorageMultisample"); + glad_glGetNamedRenderbufferParameteriv = (PFNGLGETNAMEDRENDERBUFFERPARAMETERIVPROC)load("glGetNamedRenderbufferParameteriv"); + glad_glCreateTextures = (PFNGLCREATETEXTURESPROC)load("glCreateTextures"); + glad_glTextureBuffer = (PFNGLTEXTUREBUFFERPROC)load("glTextureBuffer"); + glad_glTextureBufferRange = (PFNGLTEXTUREBUFFERRANGEPROC)load("glTextureBufferRange"); + glad_glTextureStorage1D = (PFNGLTEXTURESTORAGE1DPROC)load("glTextureStorage1D"); + glad_glTextureStorage2D = (PFNGLTEXTURESTORAGE2DPROC)load("glTextureStorage2D"); + glad_glTextureStorage3D = (PFNGLTEXTURESTORAGE3DPROC)load("glTextureStorage3D"); + glad_glTextureStorage2DMultisample = (PFNGLTEXTURESTORAGE2DMULTISAMPLEPROC)load("glTextureStorage2DMultisample"); + glad_glTextureStorage3DMultisample = (PFNGLTEXTURESTORAGE3DMULTISAMPLEPROC)load("glTextureStorage3DMultisample"); + glad_glTextureSubImage1D = (PFNGLTEXTURESUBIMAGE1DPROC)load("glTextureSubImage1D"); + glad_glTextureSubImage2D = (PFNGLTEXTURESUBIMAGE2DPROC)load("glTextureSubImage2D"); + glad_glTextureSubImage3D = (PFNGLTEXTURESUBIMAGE3DPROC)load("glTextureSubImage3D"); + glad_glCompressedTextureSubImage1D = (PFNGLCOMPRESSEDTEXTURESUBIMAGE1DPROC)load("glCompressedTextureSubImage1D"); + glad_glCompressedTextureSubImage2D = (PFNGLCOMPRESSEDTEXTURESUBIMAGE2DPROC)load("glCompressedTextureSubImage2D"); + glad_glCompressedTextureSubImage3D = (PFNGLCOMPRESSEDTEXTURESUBIMAGE3DPROC)load("glCompressedTextureSubImage3D"); + glad_glCopyTextureSubImage1D = (PFNGLCOPYTEXTURESUBIMAGE1DPROC)load("glCopyTextureSubImage1D"); + glad_glCopyTextureSubImage2D = (PFNGLCOPYTEXTURESUBIMAGE2DPROC)load("glCopyTextureSubImage2D"); + glad_glCopyTextureSubImage3D = (PFNGLCOPYTEXTURESUBIMAGE3DPROC)load("glCopyTextureSubImage3D"); + glad_glTextureParameterf = (PFNGLTEXTUREPARAMETERFPROC)load("glTextureParameterf"); + glad_glTextureParameterfv = (PFNGLTEXTUREPARAMETERFVPROC)load("glTextureParameterfv"); + glad_glTextureParameteri = (PFNGLTEXTUREPARAMETERIPROC)load("glTextureParameteri"); + glad_glTextureParameterIiv = (PFNGLTEXTUREPARAMETERIIVPROC)load("glTextureParameterIiv"); + glad_glTextureParameterIuiv = (PFNGLTEXTUREPARAMETERIUIVPROC)load("glTextureParameterIuiv"); + glad_glTextureParameteriv = (PFNGLTEXTUREPARAMETERIVPROC)load("glTextureParameteriv"); + glad_glGenerateTextureMipmap = (PFNGLGENERATETEXTUREMIPMAPPROC)load("glGenerateTextureMipmap"); + glad_glBindTextureUnit = (PFNGLBINDTEXTUREUNITPROC)load("glBindTextureUnit"); + glad_glGetTextureImage = (PFNGLGETTEXTUREIMAGEPROC)load("glGetTextureImage"); + glad_glGetCompressedTextureImage = (PFNGLGETCOMPRESSEDTEXTUREIMAGEPROC)load("glGetCompressedTextureImage"); + glad_glGetTextureLevelParameterfv = (PFNGLGETTEXTURELEVELPARAMETERFVPROC)load("glGetTextureLevelParameterfv"); + glad_glGetTextureLevelParameteriv = (PFNGLGETTEXTURELEVELPARAMETERIVPROC)load("glGetTextureLevelParameteriv"); + glad_glGetTextureParameterfv = (PFNGLGETTEXTUREPARAMETERFVPROC)load("glGetTextureParameterfv"); + glad_glGetTextureParameterIiv = (PFNGLGETTEXTUREPARAMETERIIVPROC)load("glGetTextureParameterIiv"); + glad_glGetTextureParameterIuiv = (PFNGLGETTEXTUREPARAMETERIUIVPROC)load("glGetTextureParameterIuiv"); + glad_glGetTextureParameteriv = (PFNGLGETTEXTUREPARAMETERIVPROC)load("glGetTextureParameteriv"); + glad_glCreateVertexArrays = (PFNGLCREATEVERTEXARRAYSPROC)load("glCreateVertexArrays"); + glad_glDisableVertexArrayAttrib = (PFNGLDISABLEVERTEXARRAYATTRIBPROC)load("glDisableVertexArrayAttrib"); + glad_glEnableVertexArrayAttrib = (PFNGLENABLEVERTEXARRAYATTRIBPROC)load("glEnableVertexArrayAttrib"); + glad_glVertexArrayElementBuffer = (PFNGLVERTEXARRAYELEMENTBUFFERPROC)load("glVertexArrayElementBuffer"); + glad_glVertexArrayVertexBuffer = (PFNGLVERTEXARRAYVERTEXBUFFERPROC)load("glVertexArrayVertexBuffer"); + glad_glVertexArrayVertexBuffers = (PFNGLVERTEXARRAYVERTEXBUFFERSPROC)load("glVertexArrayVertexBuffers"); + glad_glVertexArrayAttribBinding = (PFNGLVERTEXARRAYATTRIBBINDINGPROC)load("glVertexArrayAttribBinding"); + glad_glVertexArrayAttribFormat = (PFNGLVERTEXARRAYATTRIBFORMATPROC)load("glVertexArrayAttribFormat"); + glad_glVertexArrayAttribIFormat = (PFNGLVERTEXARRAYATTRIBIFORMATPROC)load("glVertexArrayAttribIFormat"); + glad_glVertexArrayAttribLFormat = (PFNGLVERTEXARRAYATTRIBLFORMATPROC)load("glVertexArrayAttribLFormat"); + glad_glVertexArrayBindingDivisor = (PFNGLVERTEXARRAYBINDINGDIVISORPROC)load("glVertexArrayBindingDivisor"); + glad_glGetVertexArrayiv = (PFNGLGETVERTEXARRAYIVPROC)load("glGetVertexArrayiv"); + glad_glGetVertexArrayIndexediv = (PFNGLGETVERTEXARRAYINDEXEDIVPROC)load("glGetVertexArrayIndexediv"); + glad_glGetVertexArrayIndexed64iv = (PFNGLGETVERTEXARRAYINDEXED64IVPROC)load("glGetVertexArrayIndexed64iv"); + glad_glCreateSamplers = (PFNGLCREATESAMPLERSPROC)load("glCreateSamplers"); + glad_glCreateProgramPipelines = (PFNGLCREATEPROGRAMPIPELINESPROC)load("glCreateProgramPipelines"); + glad_glCreateQueries = (PFNGLCREATEQUERIESPROC)load("glCreateQueries"); + glad_glGetQueryBufferObjecti64v = (PFNGLGETQUERYBUFFEROBJECTI64VPROC)load("glGetQueryBufferObjecti64v"); + glad_glGetQueryBufferObjectiv = (PFNGLGETQUERYBUFFEROBJECTIVPROC)load("glGetQueryBufferObjectiv"); + glad_glGetQueryBufferObjectui64v = (PFNGLGETQUERYBUFFEROBJECTUI64VPROC)load("glGetQueryBufferObjectui64v"); + glad_glGetQueryBufferObjectuiv = (PFNGLGETQUERYBUFFEROBJECTUIVPROC)load("glGetQueryBufferObjectuiv"); + glad_glMemoryBarrierByRegion = (PFNGLMEMORYBARRIERBYREGIONPROC)load("glMemoryBarrierByRegion"); + glad_glGetTextureSubImage = (PFNGLGETTEXTURESUBIMAGEPROC)load("glGetTextureSubImage"); + glad_glGetCompressedTextureSubImage = (PFNGLGETCOMPRESSEDTEXTURESUBIMAGEPROC)load("glGetCompressedTextureSubImage"); + glad_glGetGraphicsResetStatus = (PFNGLGETGRAPHICSRESETSTATUSPROC)load("glGetGraphicsResetStatus"); + glad_glGetnCompressedTexImage = (PFNGLGETNCOMPRESSEDTEXIMAGEPROC)load("glGetnCompressedTexImage"); + glad_glGetnTexImage = (PFNGLGETNTEXIMAGEPROC)load("glGetnTexImage"); + glad_glGetnUniformdv = (PFNGLGETNUNIFORMDVPROC)load("glGetnUniformdv"); + glad_glGetnUniformfv = (PFNGLGETNUNIFORMFVPROC)load("glGetnUniformfv"); + glad_glGetnUniformiv = (PFNGLGETNUNIFORMIVPROC)load("glGetnUniformiv"); + glad_glGetnUniformuiv = (PFNGLGETNUNIFORMUIVPROC)load("glGetnUniformuiv"); + glad_glReadnPixels = (PFNGLREADNPIXELSPROC)load("glReadnPixels"); + glad_glGetnMapdv = (PFNGLGETNMAPDVPROC)load("glGetnMapdv"); + glad_glGetnMapfv = (PFNGLGETNMAPFVPROC)load("glGetnMapfv"); + glad_glGetnMapiv = (PFNGLGETNMAPIVPROC)load("glGetnMapiv"); + glad_glGetnPixelMapfv = (PFNGLGETNPIXELMAPFVPROC)load("glGetnPixelMapfv"); + glad_glGetnPixelMapuiv = (PFNGLGETNPIXELMAPUIVPROC)load("glGetnPixelMapuiv"); + glad_glGetnPixelMapusv = (PFNGLGETNPIXELMAPUSVPROC)load("glGetnPixelMapusv"); + glad_glGetnPolygonStipple = (PFNGLGETNPOLYGONSTIPPLEPROC)load("glGetnPolygonStipple"); + glad_glGetnColorTable = (PFNGLGETNCOLORTABLEPROC)load("glGetnColorTable"); + glad_glGetnConvolutionFilter = (PFNGLGETNCONVOLUTIONFILTERPROC)load("glGetnConvolutionFilter"); + glad_glGetnSeparableFilter = (PFNGLGETNSEPARABLEFILTERPROC)load("glGetnSeparableFilter"); + glad_glGetnHistogram = (PFNGLGETNHISTOGRAMPROC)load("glGetnHistogram"); + glad_glGetnMinmax = (PFNGLGETNMINMAXPROC)load("glGetnMinmax"); + glad_glTextureBarrier = (PFNGLTEXTUREBARRIERPROC)load("glTextureBarrier"); +} +static int find_extensionsGL(void) { + if (!get_exts()) return 0; + (void)&has_ext; + free_exts(); + return 1; +} + +static void find_coreGL(void) { + + /* Thank you @elmindreda + * https://github.com/elmindreda/greg/blob/master/templates/greg.c.in#L176 + * https://github.com/glfw/glfw/blob/master/src/context.c#L36 + */ + int i, major, minor; + + const char* version; + const char* prefixes[] = { + "OpenGL ES-CM ", + "OpenGL ES-CL ", + "OpenGL ES ", + NULL + }; + + version = (const char*) glGetString(GL_VERSION); + if (!version) return; + + for (i = 0; prefixes[i]; i++) { + const size_t length = strlen(prefixes[i]); + if (strncmp(version, prefixes[i], length) == 0) { + version += length; + break; + } + } + +/* PR #18 */ +#ifdef _MSC_VER + sscanf_s(version, "%d.%d", &major, &minor); +#else + sscanf(version, "%d.%d", &major, &minor); +#endif + + GLVersion.major = major; GLVersion.minor = minor; + max_loaded_major = major; max_loaded_minor = minor; + GLAD_GL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1; + GLAD_GL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1; + GLAD_GL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1; + GLAD_GL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1; + GLAD_GL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1; + GLAD_GL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1; + GLAD_GL_VERSION_2_0 = (major == 2 && minor >= 0) || major > 2; + GLAD_GL_VERSION_2_1 = (major == 2 && minor >= 1) || major > 2; + GLAD_GL_VERSION_3_0 = (major == 3 && minor >= 0) || major > 3; + GLAD_GL_VERSION_3_1 = (major == 3 && minor >= 1) || major > 3; + GLAD_GL_VERSION_3_2 = (major == 3 && minor >= 2) || major > 3; + GLAD_GL_VERSION_3_3 = (major == 3 && minor >= 3) || major > 3; + GLAD_GL_VERSION_4_0 = (major == 4 && minor >= 0) || major > 4; + GLAD_GL_VERSION_4_1 = (major == 4 && minor >= 1) || major > 4; + GLAD_GL_VERSION_4_2 = (major == 4 && minor >= 2) || major > 4; + GLAD_GL_VERSION_4_3 = (major == 4 && minor >= 3) || major > 4; + GLAD_GL_VERSION_4_4 = (major == 4 && minor >= 4) || major > 4; + GLAD_GL_VERSION_4_5 = (major == 4 && minor >= 5) || major > 4; + if (GLVersion.major > 4 || (GLVersion.major >= 4 && GLVersion.minor >= 5)) { + max_loaded_major = 4; + max_loaded_minor = 5; + } +} + +int gladLoadGLLoader(GLADloadproc load) { + GLVersion.major = 0; GLVersion.minor = 0; + glGetString = (PFNGLGETSTRINGPROC)load("glGetString"); + if(glGetString == NULL) return 0; + if(glGetString(GL_VERSION) == NULL) return 0; + find_coreGL(); + load_GL_VERSION_1_0(load); + load_GL_VERSION_1_1(load); + load_GL_VERSION_1_2(load); + load_GL_VERSION_1_3(load); + load_GL_VERSION_1_4(load); + load_GL_VERSION_1_5(load); + load_GL_VERSION_2_0(load); + load_GL_VERSION_2_1(load); + load_GL_VERSION_3_0(load); + load_GL_VERSION_3_1(load); + load_GL_VERSION_3_2(load); + load_GL_VERSION_3_3(load); + load_GL_VERSION_4_0(load); + load_GL_VERSION_4_1(load); + load_GL_VERSION_4_2(load); + load_GL_VERSION_4_3(load); + load_GL_VERSION_4_4(load); + load_GL_VERSION_4_5(load); + + if (!find_extensionsGL()) return 0; + return GLVersion.major != 0 || GLVersion.minor != 0; +} + diff --git a/src/vendor/glad/glad.h b/src/vendor/glad/glad.h new file mode 100755 index 0000000..1277bb6 --- /dev/null +++ b/src/vendor/glad/glad.h @@ -0,0 +1,3655 @@ +/* + + OpenGL loader generated by glad 0.1.36 on Sat Dec 10 19:12:52 2022. + + Language/Generator: C/C++ + Specification: gl + APIs: gl=4.5 + Profile: core + Extensions: + + Loader: True + Local files: False + Omit khrplatform: False + Reproducible: False + + Commandline: + --profile="core" --api="gl=4.5" --generator="c" --spec="gl" --extensions="" + Online: + https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D4.5 +*/ + +#ifndef __glad_h_ +#define __glad_h_ + +#ifdef __gl_h_ + #error OpenGL header already included, remove this include, glad already provides it +#endif +#define __gl_h_ + +#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) + #define APIENTRY __stdcall +#endif + +#ifndef APIENTRY + #define APIENTRY +#endif +#ifndef APIENTRYP + #define APIENTRYP APIENTRY * +#endif + +#ifndef GLAPIENTRY + #define GLAPIENTRY APIENTRY +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +struct gladGLversionStruct { + int major; + int minor; +}; + +typedef void *(*GLADloadproc)(const char *name); + +#ifndef GLAPI + #if defined(GLAD_GLAPI_EXPORT) + #if defined(_WIN32) || defined(__CYGWIN__) + #if defined(GLAD_GLAPI_EXPORT_BUILD) + #if defined(__GNUC__) + #define GLAPI __attribute__((dllexport)) extern + #else + #define GLAPI __declspec(dllexport) extern + #endif + #else + #if defined(__GNUC__) + #define GLAPI __attribute__((dllimport)) extern + #else + #define GLAPI __declspec(dllimport) extern + #endif + #endif + #elif defined(__GNUC__) && defined(GLAD_GLAPI_EXPORT_BUILD) + #define GLAPI __attribute__((visibility("default"))) extern + #else + #define GLAPI extern + #endif + #else + #define GLAPI extern + #endif +#endif + +GLAPI struct gladGLversionStruct GLVersion; + +GLAPI int gladLoadGL(void); + +GLAPI int gladLoadGLLoader(GLADloadproc); + +#include "khrplatform.h" +typedef unsigned int GLenum; +typedef unsigned char GLboolean; +typedef unsigned int GLbitfield; +typedef void GLvoid; +typedef khronos_int8_t GLbyte; +typedef khronos_uint8_t GLubyte; +typedef khronos_int16_t GLshort; +typedef khronos_uint16_t GLushort; +typedef int GLint; +typedef unsigned int GLuint; +typedef khronos_int32_t GLclampx; +typedef int GLsizei; +typedef khronos_float_t GLfloat; +typedef khronos_float_t GLclampf; +typedef double GLdouble; +typedef double GLclampd; +typedef void *GLeglClientBufferEXT; +typedef void *GLeglImageOES; +typedef char GLchar; +typedef char GLcharARB; +#ifdef __APPLE__ +typedef void *GLhandleARB; +#else +typedef unsigned int GLhandleARB; +#endif +typedef khronos_uint16_t GLhalf; +typedef khronos_uint16_t GLhalfARB; +typedef khronos_int32_t GLfixed; +typedef khronos_intptr_t GLintptr; +typedef khronos_intptr_t GLintptrARB; +typedef khronos_ssize_t GLsizeiptr; +typedef khronos_ssize_t GLsizeiptrARB; +typedef khronos_int64_t GLint64; +typedef khronos_int64_t GLint64EXT; +typedef khronos_uint64_t GLuint64; +typedef khronos_uint64_t GLuint64EXT; +typedef struct __GLsync *GLsync; +struct _cl_context; +struct _cl_event; +typedef void(APIENTRY *GLDEBUGPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam); +typedef void(APIENTRY *GLDEBUGPROCARB)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam); +typedef void(APIENTRY *GLDEBUGPROCKHR)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam); +typedef void(APIENTRY *GLDEBUGPROCAMD)(GLuint id, GLenum category, GLenum severity, GLsizei length, const GLchar *message, void *userParam); +typedef unsigned short GLhalfNV; +typedef GLintptr GLvdpauSurfaceNV; +typedef void(APIENTRY *GLVULKANPROCNV)(void); +#define GL_DEPTH_BUFFER_BIT 0x00000100 +#define GL_STENCIL_BUFFER_BIT 0x00000400 +#define GL_COLOR_BUFFER_BIT 0x00004000 +#define GL_FALSE 0 +#define GL_TRUE 1 +#define GL_POINTS 0x0000 +#define GL_LINES 0x0001 +#define GL_LINE_LOOP 0x0002 +#define GL_LINE_STRIP 0x0003 +#define GL_TRIANGLES 0x0004 +#define GL_TRIANGLE_STRIP 0x0005 +#define GL_TRIANGLE_FAN 0x0006 +#define GL_NEVER 0x0200 +#define GL_LESS 0x0201 +#define GL_EQUAL 0x0202 +#define GL_LEQUAL 0x0203 +#define GL_GREATER 0x0204 +#define GL_NOTEQUAL 0x0205 +#define GL_GEQUAL 0x0206 +#define GL_ALWAYS 0x0207 +#define GL_ZERO 0 +#define GL_ONE 1 +#define GL_SRC_COLOR 0x0300 +#define GL_ONE_MINUS_SRC_COLOR 0x0301 +#define GL_SRC_ALPHA 0x0302 +#define GL_ONE_MINUS_SRC_ALPHA 0x0303 +#define GL_DST_ALPHA 0x0304 +#define GL_ONE_MINUS_DST_ALPHA 0x0305 +#define GL_DST_COLOR 0x0306 +#define GL_ONE_MINUS_DST_COLOR 0x0307 +#define GL_SRC_ALPHA_SATURATE 0x0308 +#define GL_NONE 0 +#define GL_FRONT_LEFT 0x0400 +#define GL_FRONT_RIGHT 0x0401 +#define GL_BACK_LEFT 0x0402 +#define GL_BACK_RIGHT 0x0403 +#define GL_FRONT 0x0404 +#define GL_BACK 0x0405 +#define GL_LEFT 0x0406 +#define GL_RIGHT 0x0407 +#define GL_FRONT_AND_BACK 0x0408 +#define GL_NO_ERROR 0 +#define GL_INVALID_ENUM 0x0500 +#define GL_INVALID_VALUE 0x0501 +#define GL_INVALID_OPERATION 0x0502 +#define GL_OUT_OF_MEMORY 0x0505 +#define GL_CW 0x0900 +#define GL_CCW 0x0901 +#define GL_POINT_SIZE 0x0B11 +#define GL_POINT_SIZE_RANGE 0x0B12 +#define GL_POINT_SIZE_GRANULARITY 0x0B13 +#define GL_LINE_SMOOTH 0x0B20 +#define GL_LINE_WIDTH 0x0B21 +#define GL_LINE_WIDTH_RANGE 0x0B22 +#define GL_LINE_WIDTH_GRANULARITY 0x0B23 +#define GL_POLYGON_MODE 0x0B40 +#define GL_POLYGON_SMOOTH 0x0B41 +#define GL_CULL_FACE 0x0B44 +#define GL_CULL_FACE_MODE 0x0B45 +#define GL_FRONT_FACE 0x0B46 +#define GL_DEPTH_RANGE 0x0B70 +#define GL_DEPTH_TEST 0x0B71 +#define GL_DEPTH_WRITEMASK 0x0B72 +#define GL_DEPTH_CLEAR_VALUE 0x0B73 +#define GL_DEPTH_FUNC 0x0B74 +#define GL_STENCIL_TEST 0x0B90 +#define GL_STENCIL_CLEAR_VALUE 0x0B91 +#define GL_STENCIL_FUNC 0x0B92 +#define GL_STENCIL_VALUE_MASK 0x0B93 +#define GL_STENCIL_FAIL 0x0B94 +#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95 +#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96 +#define GL_STENCIL_REF 0x0B97 +#define GL_STENCIL_WRITEMASK 0x0B98 +#define GL_VIEWPORT 0x0BA2 +#define GL_DITHER 0x0BD0 +#define GL_BLEND_DST 0x0BE0 +#define GL_BLEND_SRC 0x0BE1 +#define GL_BLEND 0x0BE2 +#define GL_LOGIC_OP_MODE 0x0BF0 +#define GL_DRAW_BUFFER 0x0C01 +#define GL_READ_BUFFER 0x0C02 +#define GL_SCISSOR_BOX 0x0C10 +#define GL_SCISSOR_TEST 0x0C11 +#define GL_COLOR_CLEAR_VALUE 0x0C22 +#define GL_COLOR_WRITEMASK 0x0C23 +#define GL_DOUBLEBUFFER 0x0C32 +#define GL_STEREO 0x0C33 +#define GL_LINE_SMOOTH_HINT 0x0C52 +#define GL_POLYGON_SMOOTH_HINT 0x0C53 +#define GL_UNPACK_SWAP_BYTES 0x0CF0 +#define GL_UNPACK_LSB_FIRST 0x0CF1 +#define GL_UNPACK_ROW_LENGTH 0x0CF2 +#define GL_UNPACK_SKIP_ROWS 0x0CF3 +#define GL_UNPACK_SKIP_PIXELS 0x0CF4 +#define GL_UNPACK_ALIGNMENT 0x0CF5 +#define GL_PACK_SWAP_BYTES 0x0D00 +#define GL_PACK_LSB_FIRST 0x0D01 +#define GL_PACK_ROW_LENGTH 0x0D02 +#define GL_PACK_SKIP_ROWS 0x0D03 +#define GL_PACK_SKIP_PIXELS 0x0D04 +#define GL_PACK_ALIGNMENT 0x0D05 +#define GL_MAX_TEXTURE_SIZE 0x0D33 +#define GL_MAX_VIEWPORT_DIMS 0x0D3A +#define GL_SUBPIXEL_BITS 0x0D50 +#define GL_TEXTURE_1D 0x0DE0 +#define GL_TEXTURE_2D 0x0DE1 +#define GL_TEXTURE_WIDTH 0x1000 +#define GL_TEXTURE_HEIGHT 0x1001 +#define GL_TEXTURE_BORDER_COLOR 0x1004 +#define GL_DONT_CARE 0x1100 +#define GL_FASTEST 0x1101 +#define GL_NICEST 0x1102 +#define GL_BYTE 0x1400 +#define GL_UNSIGNED_BYTE 0x1401 +#define GL_SHORT 0x1402 +#define GL_UNSIGNED_SHORT 0x1403 +#define GL_INT 0x1404 +#define GL_UNSIGNED_INT 0x1405 +#define GL_FLOAT 0x1406 +#define GL_CLEAR 0x1500 +#define GL_AND 0x1501 +#define GL_AND_REVERSE 0x1502 +#define GL_COPY 0x1503 +#define GL_AND_INVERTED 0x1504 +#define GL_NOOP 0x1505 +#define GL_XOR 0x1506 +#define GL_OR 0x1507 +#define GL_NOR 0x1508 +#define GL_EQUIV 0x1509 +#define GL_INVERT 0x150A +#define GL_OR_REVERSE 0x150B +#define GL_COPY_INVERTED 0x150C +#define GL_OR_INVERTED 0x150D +#define GL_NAND 0x150E +#define GL_SET 0x150F +#define GL_TEXTURE 0x1702 +#define GL_COLOR 0x1800 +#define GL_DEPTH 0x1801 +#define GL_STENCIL 0x1802 +#define GL_STENCIL_INDEX 0x1901 +#define GL_DEPTH_COMPONENT 0x1902 +#define GL_RED 0x1903 +#define GL_GREEN 0x1904 +#define GL_BLUE 0x1905 +#define GL_ALPHA 0x1906 +#define GL_RGB 0x1907 +#define GL_RGBA 0x1908 +#define GL_POINT 0x1B00 +#define GL_LINE 0x1B01 +#define GL_FILL 0x1B02 +#define GL_KEEP 0x1E00 +#define GL_REPLACE 0x1E01 +#define GL_INCR 0x1E02 +#define GL_DECR 0x1E03 +#define GL_VENDOR 0x1F00 +#define GL_RENDERER 0x1F01 +#define GL_VERSION 0x1F02 +#define GL_EXTENSIONS 0x1F03 +#define GL_NEAREST 0x2600 +#define GL_LINEAR 0x2601 +#define GL_NEAREST_MIPMAP_NEAREST 0x2700 +#define GL_LINEAR_MIPMAP_NEAREST 0x2701 +#define GL_NEAREST_MIPMAP_LINEAR 0x2702 +#define GL_LINEAR_MIPMAP_LINEAR 0x2703 +#define GL_TEXTURE_MAG_FILTER 0x2800 +#define GL_TEXTURE_MIN_FILTER 0x2801 +#define GL_TEXTURE_WRAP_S 0x2802 +#define GL_TEXTURE_WRAP_T 0x2803 +#define GL_REPEAT 0x2901 +#define GL_COLOR_LOGIC_OP 0x0BF2 +#define GL_POLYGON_OFFSET_UNITS 0x2A00 +#define GL_POLYGON_OFFSET_POINT 0x2A01 +#define GL_POLYGON_OFFSET_LINE 0x2A02 +#define GL_POLYGON_OFFSET_FILL 0x8037 +#define GL_POLYGON_OFFSET_FACTOR 0x8038 +#define GL_TEXTURE_BINDING_1D 0x8068 +#define GL_TEXTURE_BINDING_2D 0x8069 +#define GL_TEXTURE_INTERNAL_FORMAT 0x1003 +#define GL_TEXTURE_RED_SIZE 0x805C +#define GL_TEXTURE_GREEN_SIZE 0x805D +#define GL_TEXTURE_BLUE_SIZE 0x805E +#define GL_TEXTURE_ALPHA_SIZE 0x805F +#define GL_DOUBLE 0x140A +#define GL_PROXY_TEXTURE_1D 0x8063 +#define GL_PROXY_TEXTURE_2D 0x8064 +#define GL_R3_G3_B2 0x2A10 +#define GL_RGB4 0x804F +#define GL_RGB5 0x8050 +#define GL_RGB8 0x8051 +#define GL_RGB10 0x8052 +#define GL_RGB12 0x8053 +#define GL_RGB16 0x8054 +#define GL_RGBA2 0x8055 +#define GL_RGBA4 0x8056 +#define GL_RGB5_A1 0x8057 +#define GL_RGBA8 0x8058 +#define GL_RGB10_A2 0x8059 +#define GL_RGBA12 0x805A +#define GL_RGBA16 0x805B +#define GL_UNSIGNED_BYTE_3_3_2 0x8032 +#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 +#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 +#define GL_UNSIGNED_INT_8_8_8_8 0x8035 +#define GL_UNSIGNED_INT_10_10_10_2 0x8036 +#define GL_TEXTURE_BINDING_3D 0x806A +#define GL_PACK_SKIP_IMAGES 0x806B +#define GL_PACK_IMAGE_HEIGHT 0x806C +#define GL_UNPACK_SKIP_IMAGES 0x806D +#define GL_UNPACK_IMAGE_HEIGHT 0x806E +#define GL_TEXTURE_3D 0x806F +#define GL_PROXY_TEXTURE_3D 0x8070 +#define GL_TEXTURE_DEPTH 0x8071 +#define GL_TEXTURE_WRAP_R 0x8072 +#define GL_MAX_3D_TEXTURE_SIZE 0x8073 +#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362 +#define GL_UNSIGNED_SHORT_5_6_5 0x8363 +#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364 +#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365 +#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366 +#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 +#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 +#define GL_BGR 0x80E0 +#define GL_BGRA 0x80E1 +#define GL_MAX_ELEMENTS_VERTICES 0x80E8 +#define GL_MAX_ELEMENTS_INDICES 0x80E9 +#define GL_CLAMP_TO_EDGE 0x812F +#define GL_TEXTURE_MIN_LOD 0x813A +#define GL_TEXTURE_MAX_LOD 0x813B +#define GL_TEXTURE_BASE_LEVEL 0x813C +#define GL_TEXTURE_MAX_LEVEL 0x813D +#define GL_SMOOTH_POINT_SIZE_RANGE 0x0B12 +#define GL_SMOOTH_POINT_SIZE_GRANULARITY 0x0B13 +#define GL_SMOOTH_LINE_WIDTH_RANGE 0x0B22 +#define GL_SMOOTH_LINE_WIDTH_GRANULARITY 0x0B23 +#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E +#define GL_TEXTURE0 0x84C0 +#define GL_TEXTURE1 0x84C1 +#define GL_TEXTURE2 0x84C2 +#define GL_TEXTURE3 0x84C3 +#define GL_TEXTURE4 0x84C4 +#define GL_TEXTURE5 0x84C5 +#define GL_TEXTURE6 0x84C6 +#define GL_TEXTURE7 0x84C7 +#define GL_TEXTURE8 0x84C8 +#define GL_TEXTURE9 0x84C9 +#define GL_TEXTURE10 0x84CA +#define GL_TEXTURE11 0x84CB +#define GL_TEXTURE12 0x84CC +#define GL_TEXTURE13 0x84CD +#define GL_TEXTURE14 0x84CE +#define GL_TEXTURE15 0x84CF +#define GL_TEXTURE16 0x84D0 +#define GL_TEXTURE17 0x84D1 +#define GL_TEXTURE18 0x84D2 +#define GL_TEXTURE19 0x84D3 +#define GL_TEXTURE20 0x84D4 +#define GL_TEXTURE21 0x84D5 +#define GL_TEXTURE22 0x84D6 +#define GL_TEXTURE23 0x84D7 +#define GL_TEXTURE24 0x84D8 +#define GL_TEXTURE25 0x84D9 +#define GL_TEXTURE26 0x84DA +#define GL_TEXTURE27 0x84DB +#define GL_TEXTURE28 0x84DC +#define GL_TEXTURE29 0x84DD +#define GL_TEXTURE30 0x84DE +#define GL_TEXTURE31 0x84DF +#define GL_ACTIVE_TEXTURE 0x84E0 +#define GL_MULTISAMPLE 0x809D +#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E +#define GL_SAMPLE_ALPHA_TO_ONE 0x809F +#define GL_SAMPLE_COVERAGE 0x80A0 +#define GL_SAMPLE_BUFFERS 0x80A8 +#define GL_SAMPLES 0x80A9 +#define GL_SAMPLE_COVERAGE_VALUE 0x80AA +#define GL_SAMPLE_COVERAGE_INVERT 0x80AB +#define GL_TEXTURE_CUBE_MAP 0x8513 +#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A +#define GL_PROXY_TEXTURE_CUBE_MAP 0x851B +#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C +#define GL_COMPRESSED_RGB 0x84ED +#define GL_COMPRESSED_RGBA 0x84EE +#define GL_TEXTURE_COMPRESSION_HINT 0x84EF +#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE 0x86A0 +#define GL_TEXTURE_COMPRESSED 0x86A1 +#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2 +#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3 +#define GL_CLAMP_TO_BORDER 0x812D +#define GL_BLEND_DST_RGB 0x80C8 +#define GL_BLEND_SRC_RGB 0x80C9 +#define GL_BLEND_DST_ALPHA 0x80CA +#define GL_BLEND_SRC_ALPHA 0x80CB +#define GL_POINT_FADE_THRESHOLD_SIZE 0x8128 +#define GL_DEPTH_COMPONENT16 0x81A5 +#define GL_DEPTH_COMPONENT24 0x81A6 +#define GL_DEPTH_COMPONENT32 0x81A7 +#define GL_MIRRORED_REPEAT 0x8370 +#define GL_MAX_TEXTURE_LOD_BIAS 0x84FD +#define GL_TEXTURE_LOD_BIAS 0x8501 +#define GL_INCR_WRAP 0x8507 +#define GL_DECR_WRAP 0x8508 +#define GL_TEXTURE_DEPTH_SIZE 0x884A +#define GL_TEXTURE_COMPARE_MODE 0x884C +#define GL_TEXTURE_COMPARE_FUNC 0x884D +#define GL_BLEND_COLOR 0x8005 +#define GL_BLEND_EQUATION 0x8009 +#define GL_CONSTANT_COLOR 0x8001 +#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002 +#define GL_CONSTANT_ALPHA 0x8003 +#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004 +#define GL_FUNC_ADD 0x8006 +#define GL_FUNC_REVERSE_SUBTRACT 0x800B +#define GL_FUNC_SUBTRACT 0x800A +#define GL_MIN 0x8007 +#define GL_MAX 0x8008 +#define GL_BUFFER_SIZE 0x8764 +#define GL_BUFFER_USAGE 0x8765 +#define GL_QUERY_COUNTER_BITS 0x8864 +#define GL_CURRENT_QUERY 0x8865 +#define GL_QUERY_RESULT 0x8866 +#define GL_QUERY_RESULT_AVAILABLE 0x8867 +#define GL_ARRAY_BUFFER 0x8892 +#define GL_ELEMENT_ARRAY_BUFFER 0x8893 +#define GL_ARRAY_BUFFER_BINDING 0x8894 +#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895 +#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F +#define GL_READ_ONLY 0x88B8 +#define GL_WRITE_ONLY 0x88B9 +#define GL_READ_WRITE 0x88BA +#define GL_BUFFER_ACCESS 0x88BB +#define GL_BUFFER_MAPPED 0x88BC +#define GL_BUFFER_MAP_POINTER 0x88BD +#define GL_STREAM_DRAW 0x88E0 +#define GL_STREAM_READ 0x88E1 +#define GL_STREAM_COPY 0x88E2 +#define GL_STATIC_DRAW 0x88E4 +#define GL_STATIC_READ 0x88E5 +#define GL_STATIC_COPY 0x88E6 +#define GL_DYNAMIC_DRAW 0x88E8 +#define GL_DYNAMIC_READ 0x88E9 +#define GL_DYNAMIC_COPY 0x88EA +#define GL_SAMPLES_PASSED 0x8914 +#define GL_SRC1_ALPHA 0x8589 +#define GL_BLEND_EQUATION_RGB 0x8009 +#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622 +#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623 +#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624 +#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625 +#define GL_CURRENT_VERTEX_ATTRIB 0x8626 +#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642 +#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645 +#define GL_STENCIL_BACK_FUNC 0x8800 +#define GL_STENCIL_BACK_FAIL 0x8801 +#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802 +#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803 +#define GL_MAX_DRAW_BUFFERS 0x8824 +#define GL_DRAW_BUFFER0 0x8825 +#define GL_DRAW_BUFFER1 0x8826 +#define GL_DRAW_BUFFER2 0x8827 +#define GL_DRAW_BUFFER3 0x8828 +#define GL_DRAW_BUFFER4 0x8829 +#define GL_DRAW_BUFFER5 0x882A +#define GL_DRAW_BUFFER6 0x882B +#define GL_DRAW_BUFFER7 0x882C +#define GL_DRAW_BUFFER8 0x882D +#define GL_DRAW_BUFFER9 0x882E +#define GL_DRAW_BUFFER10 0x882F +#define GL_DRAW_BUFFER11 0x8830 +#define GL_DRAW_BUFFER12 0x8831 +#define GL_DRAW_BUFFER13 0x8832 +#define GL_DRAW_BUFFER14 0x8833 +#define GL_DRAW_BUFFER15 0x8834 +#define GL_BLEND_EQUATION_ALPHA 0x883D +#define GL_MAX_VERTEX_ATTRIBS 0x8869 +#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A +#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872 +#define GL_FRAGMENT_SHADER 0x8B30 +#define GL_VERTEX_SHADER 0x8B31 +#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49 +#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A +#define GL_MAX_VARYING_FLOATS 0x8B4B +#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C +#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D +#define GL_SHADER_TYPE 0x8B4F +#define GL_FLOAT_VEC2 0x8B50 +#define GL_FLOAT_VEC3 0x8B51 +#define GL_FLOAT_VEC4 0x8B52 +#define GL_INT_VEC2 0x8B53 +#define GL_INT_VEC3 0x8B54 +#define GL_INT_VEC4 0x8B55 +#define GL_BOOL 0x8B56 +#define GL_BOOL_VEC2 0x8B57 +#define GL_BOOL_VEC3 0x8B58 +#define GL_BOOL_VEC4 0x8B59 +#define GL_FLOAT_MAT2 0x8B5A +#define GL_FLOAT_MAT3 0x8B5B +#define GL_FLOAT_MAT4 0x8B5C +#define GL_SAMPLER_1D 0x8B5D +#define GL_SAMPLER_2D 0x8B5E +#define GL_SAMPLER_3D 0x8B5F +#define GL_SAMPLER_CUBE 0x8B60 +#define GL_SAMPLER_1D_SHADOW 0x8B61 +#define GL_SAMPLER_2D_SHADOW 0x8B62 +#define GL_DELETE_STATUS 0x8B80 +#define GL_COMPILE_STATUS 0x8B81 +#define GL_LINK_STATUS 0x8B82 +#define GL_VALIDATE_STATUS 0x8B83 +#define GL_INFO_LOG_LENGTH 0x8B84 +#define GL_ATTACHED_SHADERS 0x8B85 +#define GL_ACTIVE_UNIFORMS 0x8B86 +#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87 +#define GL_SHADER_SOURCE_LENGTH 0x8B88 +#define GL_ACTIVE_ATTRIBUTES 0x8B89 +#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A +#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B +#define GL_SHADING_LANGUAGE_VERSION 0x8B8C +#define GL_CURRENT_PROGRAM 0x8B8D +#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0 +#define GL_LOWER_LEFT 0x8CA1 +#define GL_UPPER_LEFT 0x8CA2 +#define GL_STENCIL_BACK_REF 0x8CA3 +#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4 +#define GL_STENCIL_BACK_WRITEMASK 0x8CA5 +#define GL_PIXEL_PACK_BUFFER 0x88EB +#define GL_PIXEL_UNPACK_BUFFER 0x88EC +#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED +#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF +#define GL_FLOAT_MAT2x3 0x8B65 +#define GL_FLOAT_MAT2x4 0x8B66 +#define GL_FLOAT_MAT3x2 0x8B67 +#define GL_FLOAT_MAT3x4 0x8B68 +#define GL_FLOAT_MAT4x2 0x8B69 +#define GL_FLOAT_MAT4x3 0x8B6A +#define GL_SRGB 0x8C40 +#define GL_SRGB8 0x8C41 +#define GL_SRGB_ALPHA 0x8C42 +#define GL_SRGB8_ALPHA8 0x8C43 +#define GL_COMPRESSED_SRGB 0x8C48 +#define GL_COMPRESSED_SRGB_ALPHA 0x8C49 +#define GL_COMPARE_REF_TO_TEXTURE 0x884E +#define GL_CLIP_DISTANCE0 0x3000 +#define GL_CLIP_DISTANCE1 0x3001 +#define GL_CLIP_DISTANCE2 0x3002 +#define GL_CLIP_DISTANCE3 0x3003 +#define GL_CLIP_DISTANCE4 0x3004 +#define GL_CLIP_DISTANCE5 0x3005 +#define GL_CLIP_DISTANCE6 0x3006 +#define GL_CLIP_DISTANCE7 0x3007 +#define GL_MAX_CLIP_DISTANCES 0x0D32 +#define GL_MAJOR_VERSION 0x821B +#define GL_MINOR_VERSION 0x821C +#define GL_NUM_EXTENSIONS 0x821D +#define GL_CONTEXT_FLAGS 0x821E +#define GL_COMPRESSED_RED 0x8225 +#define GL_COMPRESSED_RG 0x8226 +#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x00000001 +#define GL_RGBA32F 0x8814 +#define GL_RGB32F 0x8815 +#define GL_RGBA16F 0x881A +#define GL_RGB16F 0x881B +#define GL_VERTEX_ATTRIB_ARRAY_INTEGER 0x88FD +#define GL_MAX_ARRAY_TEXTURE_LAYERS 0x88FF +#define GL_MIN_PROGRAM_TEXEL_OFFSET 0x8904 +#define GL_MAX_PROGRAM_TEXEL_OFFSET 0x8905 +#define GL_CLAMP_READ_COLOR 0x891C +#define GL_FIXED_ONLY 0x891D +#define GL_MAX_VARYING_COMPONENTS 0x8B4B +#define GL_TEXTURE_1D_ARRAY 0x8C18 +#define GL_PROXY_TEXTURE_1D_ARRAY 0x8C19 +#define GL_TEXTURE_2D_ARRAY 0x8C1A +#define GL_PROXY_TEXTURE_2D_ARRAY 0x8C1B +#define GL_TEXTURE_BINDING_1D_ARRAY 0x8C1C +#define GL_TEXTURE_BINDING_2D_ARRAY 0x8C1D +#define GL_R11F_G11F_B10F 0x8C3A +#define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B +#define GL_RGB9_E5 0x8C3D +#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E +#define GL_TEXTURE_SHARED_SIZE 0x8C3F +#define GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH 0x8C76 +#define GL_TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F +#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80 +#define GL_TRANSFORM_FEEDBACK_VARYINGS 0x8C83 +#define GL_TRANSFORM_FEEDBACK_BUFFER_START 0x8C84 +#define GL_TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85 +#define GL_PRIMITIVES_GENERATED 0x8C87 +#define GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88 +#define GL_RASTERIZER_DISCARD 0x8C89 +#define GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A +#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B +#define GL_INTERLEAVED_ATTRIBS 0x8C8C +#define GL_SEPARATE_ATTRIBS 0x8C8D +#define GL_TRANSFORM_FEEDBACK_BUFFER 0x8C8E +#define GL_TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F +#define GL_RGBA32UI 0x8D70 +#define GL_RGB32UI 0x8D71 +#define GL_RGBA16UI 0x8D76 +#define GL_RGB16UI 0x8D77 +#define GL_RGBA8UI 0x8D7C +#define GL_RGB8UI 0x8D7D +#define GL_RGBA32I 0x8D82 +#define GL_RGB32I 0x8D83 +#define GL_RGBA16I 0x8D88 +#define GL_RGB16I 0x8D89 +#define GL_RGBA8I 0x8D8E +#define GL_RGB8I 0x8D8F +#define GL_RED_INTEGER 0x8D94 +#define GL_GREEN_INTEGER 0x8D95 +#define GL_BLUE_INTEGER 0x8D96 +#define GL_RGB_INTEGER 0x8D98 +#define GL_RGBA_INTEGER 0x8D99 +#define GL_BGR_INTEGER 0x8D9A +#define GL_BGRA_INTEGER 0x8D9B +#define GL_SAMPLER_1D_ARRAY 0x8DC0 +#define GL_SAMPLER_2D_ARRAY 0x8DC1 +#define GL_SAMPLER_1D_ARRAY_SHADOW 0x8DC3 +#define GL_SAMPLER_2D_ARRAY_SHADOW 0x8DC4 +#define GL_SAMPLER_CUBE_SHADOW 0x8DC5 +#define GL_UNSIGNED_INT_VEC2 0x8DC6 +#define GL_UNSIGNED_INT_VEC3 0x8DC7 +#define GL_UNSIGNED_INT_VEC4 0x8DC8 +#define GL_INT_SAMPLER_1D 0x8DC9 +#define GL_INT_SAMPLER_2D 0x8DCA +#define GL_INT_SAMPLER_3D 0x8DCB +#define GL_INT_SAMPLER_CUBE 0x8DCC +#define GL_INT_SAMPLER_1D_ARRAY 0x8DCE +#define GL_INT_SAMPLER_2D_ARRAY 0x8DCF +#define GL_UNSIGNED_INT_SAMPLER_1D 0x8DD1 +#define GL_UNSIGNED_INT_SAMPLER_2D 0x8DD2 +#define GL_UNSIGNED_INT_SAMPLER_3D 0x8DD3 +#define GL_UNSIGNED_INT_SAMPLER_CUBE 0x8DD4 +#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY 0x8DD6 +#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY 0x8DD7 +#define GL_QUERY_WAIT 0x8E13 +#define GL_QUERY_NO_WAIT 0x8E14 +#define GL_QUERY_BY_REGION_WAIT 0x8E15 +#define GL_QUERY_BY_REGION_NO_WAIT 0x8E16 +#define GL_BUFFER_ACCESS_FLAGS 0x911F +#define GL_BUFFER_MAP_LENGTH 0x9120 +#define GL_BUFFER_MAP_OFFSET 0x9121 +#define GL_DEPTH_COMPONENT32F 0x8CAC +#define GL_DEPTH32F_STENCIL8 0x8CAD +#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD +#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506 +#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210 +#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211 +#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212 +#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213 +#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214 +#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215 +#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216 +#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217 +#define GL_FRAMEBUFFER_DEFAULT 0x8218 +#define GL_FRAMEBUFFER_UNDEFINED 0x8219 +#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A +#define GL_MAX_RENDERBUFFER_SIZE 0x84E8 +#define GL_DEPTH_STENCIL 0x84F9 +#define GL_UNSIGNED_INT_24_8 0x84FA +#define GL_DEPTH24_STENCIL8 0x88F0 +#define GL_TEXTURE_STENCIL_SIZE 0x88F1 +#define GL_TEXTURE_RED_TYPE 0x8C10 +#define GL_TEXTURE_GREEN_TYPE 0x8C11 +#define GL_TEXTURE_BLUE_TYPE 0x8C12 +#define GL_TEXTURE_ALPHA_TYPE 0x8C13 +#define GL_TEXTURE_DEPTH_TYPE 0x8C16 +#define GL_UNSIGNED_NORMALIZED 0x8C17 +#define GL_FRAMEBUFFER_BINDING 0x8CA6 +#define GL_DRAW_FRAMEBUFFER_BINDING 0x8CA6 +#define GL_RENDERBUFFER_BINDING 0x8CA7 +#define GL_READ_FRAMEBUFFER 0x8CA8 +#define GL_DRAW_FRAMEBUFFER 0x8CA9 +#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA +#define GL_RENDERBUFFER_SAMPLES 0x8CAB +#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0 +#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4 +#define GL_FRAMEBUFFER_COMPLETE 0x8CD5 +#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6 +#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7 +#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB +#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC +#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD +#define GL_MAX_COLOR_ATTACHMENTS 0x8CDF +#define GL_COLOR_ATTACHMENT0 0x8CE0 +#define GL_COLOR_ATTACHMENT1 0x8CE1 +#define GL_COLOR_ATTACHMENT2 0x8CE2 +#define GL_COLOR_ATTACHMENT3 0x8CE3 +#define GL_COLOR_ATTACHMENT4 0x8CE4 +#define GL_COLOR_ATTACHMENT5 0x8CE5 +#define GL_COLOR_ATTACHMENT6 0x8CE6 +#define GL_COLOR_ATTACHMENT7 0x8CE7 +#define GL_COLOR_ATTACHMENT8 0x8CE8 +#define GL_COLOR_ATTACHMENT9 0x8CE9 +#define GL_COLOR_ATTACHMENT10 0x8CEA +#define GL_COLOR_ATTACHMENT11 0x8CEB +#define GL_COLOR_ATTACHMENT12 0x8CEC +#define GL_COLOR_ATTACHMENT13 0x8CED +#define GL_COLOR_ATTACHMENT14 0x8CEE +#define GL_COLOR_ATTACHMENT15 0x8CEF +#define GL_COLOR_ATTACHMENT16 0x8CF0 +#define GL_COLOR_ATTACHMENT17 0x8CF1 +#define GL_COLOR_ATTACHMENT18 0x8CF2 +#define GL_COLOR_ATTACHMENT19 0x8CF3 +#define GL_COLOR_ATTACHMENT20 0x8CF4 +#define GL_COLOR_ATTACHMENT21 0x8CF5 +#define GL_COLOR_ATTACHMENT22 0x8CF6 +#define GL_COLOR_ATTACHMENT23 0x8CF7 +#define GL_COLOR_ATTACHMENT24 0x8CF8 +#define GL_COLOR_ATTACHMENT25 0x8CF9 +#define GL_COLOR_ATTACHMENT26 0x8CFA +#define GL_COLOR_ATTACHMENT27 0x8CFB +#define GL_COLOR_ATTACHMENT28 0x8CFC +#define GL_COLOR_ATTACHMENT29 0x8CFD +#define GL_COLOR_ATTACHMENT30 0x8CFE +#define GL_COLOR_ATTACHMENT31 0x8CFF +#define GL_DEPTH_ATTACHMENT 0x8D00 +#define GL_STENCIL_ATTACHMENT 0x8D20 +#define GL_FRAMEBUFFER 0x8D40 +#define GL_RENDERBUFFER 0x8D41 +#define GL_RENDERBUFFER_WIDTH 0x8D42 +#define GL_RENDERBUFFER_HEIGHT 0x8D43 +#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44 +#define GL_STENCIL_INDEX1 0x8D46 +#define GL_STENCIL_INDEX4 0x8D47 +#define GL_STENCIL_INDEX8 0x8D48 +#define GL_STENCIL_INDEX16 0x8D49 +#define GL_RENDERBUFFER_RED_SIZE 0x8D50 +#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51 +#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52 +#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53 +#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54 +#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55 +#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56 +#define GL_MAX_SAMPLES 0x8D57 +#define GL_FRAMEBUFFER_SRGB 0x8DB9 +#define GL_HALF_FLOAT 0x140B +#define GL_MAP_READ_BIT 0x0001 +#define GL_MAP_WRITE_BIT 0x0002 +#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004 +#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008 +#define GL_MAP_FLUSH_EXPLICIT_BIT 0x0010 +#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020 +#define GL_COMPRESSED_RED_RGTC1 0x8DBB +#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC +#define GL_COMPRESSED_RG_RGTC2 0x8DBD +#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE +#define GL_RG 0x8227 +#define GL_RG_INTEGER 0x8228 +#define GL_R8 0x8229 +#define GL_R16 0x822A +#define GL_RG8 0x822B +#define GL_RG16 0x822C +#define GL_R16F 0x822D +#define GL_R32F 0x822E +#define GL_RG16F 0x822F +#define GL_RG32F 0x8230 +#define GL_R8I 0x8231 +#define GL_R8UI 0x8232 +#define GL_R16I 0x8233 +#define GL_R16UI 0x8234 +#define GL_R32I 0x8235 +#define GL_R32UI 0x8236 +#define GL_RG8I 0x8237 +#define GL_RG8UI 0x8238 +#define GL_RG16I 0x8239 +#define GL_RG16UI 0x823A +#define GL_RG32I 0x823B +#define GL_RG32UI 0x823C +#define GL_VERTEX_ARRAY_BINDING 0x85B5 +#define GL_SAMPLER_2D_RECT 0x8B63 +#define GL_SAMPLER_2D_RECT_SHADOW 0x8B64 +#define GL_SAMPLER_BUFFER 0x8DC2 +#define GL_INT_SAMPLER_2D_RECT 0x8DCD +#define GL_INT_SAMPLER_BUFFER 0x8DD0 +#define GL_UNSIGNED_INT_SAMPLER_2D_RECT 0x8DD5 +#define GL_UNSIGNED_INT_SAMPLER_BUFFER 0x8DD8 +#define GL_TEXTURE_BUFFER 0x8C2A +#define GL_MAX_TEXTURE_BUFFER_SIZE 0x8C2B +#define GL_TEXTURE_BINDING_BUFFER 0x8C2C +#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING 0x8C2D +#define GL_TEXTURE_RECTANGLE 0x84F5 +#define GL_TEXTURE_BINDING_RECTANGLE 0x84F6 +#define GL_PROXY_TEXTURE_RECTANGLE 0x84F7 +#define GL_MAX_RECTANGLE_TEXTURE_SIZE 0x84F8 +#define GL_R8_SNORM 0x8F94 +#define GL_RG8_SNORM 0x8F95 +#define GL_RGB8_SNORM 0x8F96 +#define GL_RGBA8_SNORM 0x8F97 +#define GL_R16_SNORM 0x8F98 +#define GL_RG16_SNORM 0x8F99 +#define GL_RGB16_SNORM 0x8F9A +#define GL_RGBA16_SNORM 0x8F9B +#define GL_SIGNED_NORMALIZED 0x8F9C +#define GL_PRIMITIVE_RESTART 0x8F9D +#define GL_PRIMITIVE_RESTART_INDEX 0x8F9E +#define GL_COPY_READ_BUFFER 0x8F36 +#define GL_COPY_WRITE_BUFFER 0x8F37 +#define GL_UNIFORM_BUFFER 0x8A11 +#define GL_UNIFORM_BUFFER_BINDING 0x8A28 +#define GL_UNIFORM_BUFFER_START 0x8A29 +#define GL_UNIFORM_BUFFER_SIZE 0x8A2A +#define GL_MAX_VERTEX_UNIFORM_BLOCKS 0x8A2B +#define GL_MAX_GEOMETRY_UNIFORM_BLOCKS 0x8A2C +#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS 0x8A2D +#define GL_MAX_COMBINED_UNIFORM_BLOCKS 0x8A2E +#define GL_MAX_UNIFORM_BUFFER_BINDINGS 0x8A2F +#define GL_MAX_UNIFORM_BLOCK_SIZE 0x8A30 +#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31 +#define GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS 0x8A32 +#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33 +#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34 +#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH 0x8A35 +#define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36 +#define GL_UNIFORM_TYPE 0x8A37 +#define GL_UNIFORM_SIZE 0x8A38 +#define GL_UNIFORM_NAME_LENGTH 0x8A39 +#define GL_UNIFORM_BLOCK_INDEX 0x8A3A +#define GL_UNIFORM_OFFSET 0x8A3B +#define GL_UNIFORM_ARRAY_STRIDE 0x8A3C +#define GL_UNIFORM_MATRIX_STRIDE 0x8A3D +#define GL_UNIFORM_IS_ROW_MAJOR 0x8A3E +#define GL_UNIFORM_BLOCK_BINDING 0x8A3F +#define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40 +#define GL_UNIFORM_BLOCK_NAME_LENGTH 0x8A41 +#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42 +#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER 0x8A45 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46 +#define GL_INVALID_INDEX 0xFFFFFFFF +#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001 +#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002 +#define GL_LINES_ADJACENCY 0x000A +#define GL_LINE_STRIP_ADJACENCY 0x000B +#define GL_TRIANGLES_ADJACENCY 0x000C +#define GL_TRIANGLE_STRIP_ADJACENCY 0x000D +#define GL_PROGRAM_POINT_SIZE 0x8642 +#define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 0x8C29 +#define GL_FRAMEBUFFER_ATTACHMENT_LAYERED 0x8DA7 +#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS 0x8DA8 +#define GL_GEOMETRY_SHADER 0x8DD9 +#define GL_GEOMETRY_VERTICES_OUT 0x8916 +#define GL_GEOMETRY_INPUT_TYPE 0x8917 +#define GL_GEOMETRY_OUTPUT_TYPE 0x8918 +#define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS 0x8DDF +#define GL_MAX_GEOMETRY_OUTPUT_VERTICES 0x8DE0 +#define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 0x8DE1 +#define GL_MAX_VERTEX_OUTPUT_COMPONENTS 0x9122 +#define GL_MAX_GEOMETRY_INPUT_COMPONENTS 0x9123 +#define GL_MAX_GEOMETRY_OUTPUT_COMPONENTS 0x9124 +#define GL_MAX_FRAGMENT_INPUT_COMPONENTS 0x9125 +#define GL_CONTEXT_PROFILE_MASK 0x9126 +#define GL_DEPTH_CLAMP 0x864F +#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION 0x8E4C +#define GL_FIRST_VERTEX_CONVENTION 0x8E4D +#define GL_LAST_VERTEX_CONVENTION 0x8E4E +#define GL_PROVOKING_VERTEX 0x8E4F +#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F +#define GL_MAX_SERVER_WAIT_TIMEOUT 0x9111 +#define GL_OBJECT_TYPE 0x9112 +#define GL_SYNC_CONDITION 0x9113 +#define GL_SYNC_STATUS 0x9114 +#define GL_SYNC_FLAGS 0x9115 +#define GL_SYNC_FENCE 0x9116 +#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117 +#define GL_UNSIGNALED 0x9118 +#define GL_SIGNALED 0x9119 +#define GL_ALREADY_SIGNALED 0x911A +#define GL_TIMEOUT_EXPIRED 0x911B +#define GL_CONDITION_SATISFIED 0x911C +#define GL_WAIT_FAILED 0x911D +#define GL_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFF +#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001 +#define GL_SAMPLE_POSITION 0x8E50 +#define GL_SAMPLE_MASK 0x8E51 +#define GL_SAMPLE_MASK_VALUE 0x8E52 +#define GL_MAX_SAMPLE_MASK_WORDS 0x8E59 +#define GL_TEXTURE_2D_MULTISAMPLE 0x9100 +#define GL_PROXY_TEXTURE_2D_MULTISAMPLE 0x9101 +#define GL_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9102 +#define GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9103 +#define GL_TEXTURE_BINDING_2D_MULTISAMPLE 0x9104 +#define GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY 0x9105 +#define GL_TEXTURE_SAMPLES 0x9106 +#define GL_TEXTURE_FIXED_SAMPLE_LOCATIONS 0x9107 +#define GL_SAMPLER_2D_MULTISAMPLE 0x9108 +#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109 +#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A +#define GL_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910B +#define GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910C +#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910D +#define GL_MAX_COLOR_TEXTURE_SAMPLES 0x910E +#define GL_MAX_DEPTH_TEXTURE_SAMPLES 0x910F +#define GL_MAX_INTEGER_SAMPLES 0x9110 +#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR 0x88FE +#define GL_SRC1_COLOR 0x88F9 +#define GL_ONE_MINUS_SRC1_COLOR 0x88FA +#define GL_ONE_MINUS_SRC1_ALPHA 0x88FB +#define GL_MAX_DUAL_SOURCE_DRAW_BUFFERS 0x88FC +#define GL_ANY_SAMPLES_PASSED 0x8C2F +#define GL_SAMPLER_BINDING 0x8919 +#define GL_RGB10_A2UI 0x906F +#define GL_TEXTURE_SWIZZLE_R 0x8E42 +#define GL_TEXTURE_SWIZZLE_G 0x8E43 +#define GL_TEXTURE_SWIZZLE_B 0x8E44 +#define GL_TEXTURE_SWIZZLE_A 0x8E45 +#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46 +#define GL_TIME_ELAPSED 0x88BF +#define GL_TIMESTAMP 0x8E28 +#define GL_INT_2_10_10_10_REV 0x8D9F +#define GL_SAMPLE_SHADING 0x8C36 +#define GL_MIN_SAMPLE_SHADING_VALUE 0x8C37 +#define GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5E +#define GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5F +#define GL_TEXTURE_CUBE_MAP_ARRAY 0x9009 +#define GL_TEXTURE_BINDING_CUBE_MAP_ARRAY 0x900A +#define GL_PROXY_TEXTURE_CUBE_MAP_ARRAY 0x900B +#define GL_SAMPLER_CUBE_MAP_ARRAY 0x900C +#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW 0x900D +#define GL_INT_SAMPLER_CUBE_MAP_ARRAY 0x900E +#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY 0x900F +#define GL_DRAW_INDIRECT_BUFFER 0x8F3F +#define GL_DRAW_INDIRECT_BUFFER_BINDING 0x8F43 +#define GL_GEOMETRY_SHADER_INVOCATIONS 0x887F +#define GL_MAX_GEOMETRY_SHADER_INVOCATIONS 0x8E5A +#define GL_MIN_FRAGMENT_INTERPOLATION_OFFSET 0x8E5B +#define GL_MAX_FRAGMENT_INTERPOLATION_OFFSET 0x8E5C +#define GL_FRAGMENT_INTERPOLATION_OFFSET_BITS 0x8E5D +#define GL_MAX_VERTEX_STREAMS 0x8E71 +#define GL_DOUBLE_VEC2 0x8FFC +#define GL_DOUBLE_VEC3 0x8FFD +#define GL_DOUBLE_VEC4 0x8FFE +#define GL_DOUBLE_MAT2 0x8F46 +#define GL_DOUBLE_MAT3 0x8F47 +#define GL_DOUBLE_MAT4 0x8F48 +#define GL_DOUBLE_MAT2x3 0x8F49 +#define GL_DOUBLE_MAT2x4 0x8F4A +#define GL_DOUBLE_MAT3x2 0x8F4B +#define GL_DOUBLE_MAT3x4 0x8F4C +#define GL_DOUBLE_MAT4x2 0x8F4D +#define GL_DOUBLE_MAT4x3 0x8F4E +#define GL_ACTIVE_SUBROUTINES 0x8DE5 +#define GL_ACTIVE_SUBROUTINE_UNIFORMS 0x8DE6 +#define GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS 0x8E47 +#define GL_ACTIVE_SUBROUTINE_MAX_LENGTH 0x8E48 +#define GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH 0x8E49 +#define GL_MAX_SUBROUTINES 0x8DE7 +#define GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS 0x8DE8 +#define GL_NUM_COMPATIBLE_SUBROUTINES 0x8E4A +#define GL_COMPATIBLE_SUBROUTINES 0x8E4B +#define GL_PATCHES 0x000E +#define GL_PATCH_VERTICES 0x8E72 +#define GL_PATCH_DEFAULT_INNER_LEVEL 0x8E73 +#define GL_PATCH_DEFAULT_OUTER_LEVEL 0x8E74 +#define GL_TESS_CONTROL_OUTPUT_VERTICES 0x8E75 +#define GL_TESS_GEN_MODE 0x8E76 +#define GL_TESS_GEN_SPACING 0x8E77 +#define GL_TESS_GEN_VERTEX_ORDER 0x8E78 +#define GL_TESS_GEN_POINT_MODE 0x8E79 +#define GL_ISOLINES 0x8E7A +#define GL_QUADS 0x0007 +#define GL_FRACTIONAL_ODD 0x8E7B +#define GL_FRACTIONAL_EVEN 0x8E7C +#define GL_MAX_PATCH_VERTICES 0x8E7D +#define GL_MAX_TESS_GEN_LEVEL 0x8E7E +#define GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E7F +#define GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E80 +#define GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS 0x8E81 +#define GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS 0x8E82 +#define GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS 0x8E83 +#define GL_MAX_TESS_PATCH_COMPONENTS 0x8E84 +#define GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS 0x8E85 +#define GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS 0x8E86 +#define GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS 0x8E89 +#define GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS 0x8E8A +#define GL_MAX_TESS_CONTROL_INPUT_COMPONENTS 0x886C +#define GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS 0x886D +#define GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E1E +#define GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E1F +#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER 0x84F0 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER 0x84F1 +#define GL_TESS_EVALUATION_SHADER 0x8E87 +#define GL_TESS_CONTROL_SHADER 0x8E88 +#define GL_TRANSFORM_FEEDBACK 0x8E22 +#define GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED 0x8E23 +#define GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE 0x8E24 +#define GL_TRANSFORM_FEEDBACK_BINDING 0x8E25 +#define GL_MAX_TRANSFORM_FEEDBACK_BUFFERS 0x8E70 +#define GL_FIXED 0x140C +#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A +#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B +#define GL_LOW_FLOAT 0x8DF0 +#define GL_MEDIUM_FLOAT 0x8DF1 +#define GL_HIGH_FLOAT 0x8DF2 +#define GL_LOW_INT 0x8DF3 +#define GL_MEDIUM_INT 0x8DF4 +#define GL_HIGH_INT 0x8DF5 +#define GL_SHADER_COMPILER 0x8DFA +#define GL_SHADER_BINARY_FORMATS 0x8DF8 +#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9 +#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB +#define GL_MAX_VARYING_VECTORS 0x8DFC +#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD +#define GL_RGB565 0x8D62 +#define GL_PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257 +#define GL_PROGRAM_BINARY_LENGTH 0x8741 +#define GL_NUM_PROGRAM_BINARY_FORMATS 0x87FE +#define GL_PROGRAM_BINARY_FORMATS 0x87FF +#define GL_VERTEX_SHADER_BIT 0x00000001 +#define GL_FRAGMENT_SHADER_BIT 0x00000002 +#define GL_GEOMETRY_SHADER_BIT 0x00000004 +#define GL_TESS_CONTROL_SHADER_BIT 0x00000008 +#define GL_TESS_EVALUATION_SHADER_BIT 0x00000010 +#define GL_ALL_SHADER_BITS 0xFFFFFFFF +#define GL_PROGRAM_SEPARABLE 0x8258 +#define GL_ACTIVE_PROGRAM 0x8259 +#define GL_PROGRAM_PIPELINE_BINDING 0x825A +#define GL_MAX_VIEWPORTS 0x825B +#define GL_VIEWPORT_SUBPIXEL_BITS 0x825C +#define GL_VIEWPORT_BOUNDS_RANGE 0x825D +#define GL_LAYER_PROVOKING_VERTEX 0x825E +#define GL_VIEWPORT_INDEX_PROVOKING_VERTEX 0x825F +#define GL_UNDEFINED_VERTEX 0x8260 +#define GL_COPY_READ_BUFFER_BINDING 0x8F36 +#define GL_COPY_WRITE_BUFFER_BINDING 0x8F37 +#define GL_TRANSFORM_FEEDBACK_ACTIVE 0x8E24 +#define GL_TRANSFORM_FEEDBACK_PAUSED 0x8E23 +#define GL_UNPACK_COMPRESSED_BLOCK_WIDTH 0x9127 +#define GL_UNPACK_COMPRESSED_BLOCK_HEIGHT 0x9128 +#define GL_UNPACK_COMPRESSED_BLOCK_DEPTH 0x9129 +#define GL_UNPACK_COMPRESSED_BLOCK_SIZE 0x912A +#define GL_PACK_COMPRESSED_BLOCK_WIDTH 0x912B +#define GL_PACK_COMPRESSED_BLOCK_HEIGHT 0x912C +#define GL_PACK_COMPRESSED_BLOCK_DEPTH 0x912D +#define GL_PACK_COMPRESSED_BLOCK_SIZE 0x912E +#define GL_NUM_SAMPLE_COUNTS 0x9380 +#define GL_MIN_MAP_BUFFER_ALIGNMENT 0x90BC +#define GL_ATOMIC_COUNTER_BUFFER 0x92C0 +#define GL_ATOMIC_COUNTER_BUFFER_BINDING 0x92C1 +#define GL_ATOMIC_COUNTER_BUFFER_START 0x92C2 +#define GL_ATOMIC_COUNTER_BUFFER_SIZE 0x92C3 +#define GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE 0x92C4 +#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS 0x92C5 +#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES 0x92C6 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER 0x92C7 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER 0x92C8 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER 0x92C9 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER 0x92CA +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER 0x92CB +#define GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS 0x92CC +#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS 0x92CD +#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS 0x92CE +#define GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS 0x92CF +#define GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS 0x92D0 +#define GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS 0x92D1 +#define GL_MAX_VERTEX_ATOMIC_COUNTERS 0x92D2 +#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS 0x92D3 +#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS 0x92D4 +#define GL_MAX_GEOMETRY_ATOMIC_COUNTERS 0x92D5 +#define GL_MAX_FRAGMENT_ATOMIC_COUNTERS 0x92D6 +#define GL_MAX_COMBINED_ATOMIC_COUNTERS 0x92D7 +#define GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE 0x92D8 +#define GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS 0x92DC +#define GL_ACTIVE_ATOMIC_COUNTER_BUFFERS 0x92D9 +#define GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX 0x92DA +#define GL_UNSIGNED_INT_ATOMIC_COUNTER 0x92DB +#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001 +#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002 +#define GL_UNIFORM_BARRIER_BIT 0x00000004 +#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008 +#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020 +#define GL_COMMAND_BARRIER_BIT 0x00000040 +#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080 +#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100 +#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200 +#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400 +#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800 +#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000 +#define GL_ALL_BARRIER_BITS 0xFFFFFFFF +#define GL_MAX_IMAGE_UNITS 0x8F38 +#define GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS 0x8F39 +#define GL_IMAGE_BINDING_NAME 0x8F3A +#define GL_IMAGE_BINDING_LEVEL 0x8F3B +#define GL_IMAGE_BINDING_LAYERED 0x8F3C +#define GL_IMAGE_BINDING_LAYER 0x8F3D +#define GL_IMAGE_BINDING_ACCESS 0x8F3E +#define GL_IMAGE_1D 0x904C +#define GL_IMAGE_2D 0x904D +#define GL_IMAGE_3D 0x904E +#define GL_IMAGE_2D_RECT 0x904F +#define GL_IMAGE_CUBE 0x9050 +#define GL_IMAGE_BUFFER 0x9051 +#define GL_IMAGE_1D_ARRAY 0x9052 +#define GL_IMAGE_2D_ARRAY 0x9053 +#define GL_IMAGE_CUBE_MAP_ARRAY 0x9054 +#define GL_IMAGE_2D_MULTISAMPLE 0x9055 +#define GL_IMAGE_2D_MULTISAMPLE_ARRAY 0x9056 +#define GL_INT_IMAGE_1D 0x9057 +#define GL_INT_IMAGE_2D 0x9058 +#define GL_INT_IMAGE_3D 0x9059 +#define GL_INT_IMAGE_2D_RECT 0x905A +#define GL_INT_IMAGE_CUBE 0x905B +#define GL_INT_IMAGE_BUFFER 0x905C +#define GL_INT_IMAGE_1D_ARRAY 0x905D +#define GL_INT_IMAGE_2D_ARRAY 0x905E +#define GL_INT_IMAGE_CUBE_MAP_ARRAY 0x905F +#define GL_INT_IMAGE_2D_MULTISAMPLE 0x9060 +#define GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x9061 +#define GL_UNSIGNED_INT_IMAGE_1D 0x9062 +#define GL_UNSIGNED_INT_IMAGE_2D 0x9063 +#define GL_UNSIGNED_INT_IMAGE_3D 0x9064 +#define GL_UNSIGNED_INT_IMAGE_2D_RECT 0x9065 +#define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066 +#define GL_UNSIGNED_INT_IMAGE_BUFFER 0x9067 +#define GL_UNSIGNED_INT_IMAGE_1D_ARRAY 0x9068 +#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069 +#define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A +#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE 0x906B +#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x906C +#define GL_MAX_IMAGE_SAMPLES 0x906D +#define GL_IMAGE_BINDING_FORMAT 0x906E +#define GL_IMAGE_FORMAT_COMPATIBILITY_TYPE 0x90C7 +#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE 0x90C8 +#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS 0x90C9 +#define GL_MAX_VERTEX_IMAGE_UNIFORMS 0x90CA +#define GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS 0x90CB +#define GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS 0x90CC +#define GL_MAX_GEOMETRY_IMAGE_UNIFORMS 0x90CD +#define GL_MAX_FRAGMENT_IMAGE_UNIFORMS 0x90CE +#define GL_MAX_COMBINED_IMAGE_UNIFORMS 0x90CF +#define GL_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C +#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D +#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E +#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F +#define GL_TEXTURE_IMMUTABLE_FORMAT 0x912F +#define GL_NUM_SHADING_LANGUAGE_VERSIONS 0x82E9 +#define GL_VERTEX_ATTRIB_ARRAY_LONG 0x874E +#define GL_COMPRESSED_RGB8_ETC2 0x9274 +#define GL_COMPRESSED_SRGB8_ETC2 0x9275 +#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276 +#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277 +#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 +#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279 +#define GL_COMPRESSED_R11_EAC 0x9270 +#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271 +#define GL_COMPRESSED_RG11_EAC 0x9272 +#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273 +#define GL_PRIMITIVE_RESTART_FIXED_INDEX 0x8D69 +#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE 0x8D6A +#define GL_MAX_ELEMENT_INDEX 0x8D6B +#define GL_COMPUTE_SHADER 0x91B9 +#define GL_MAX_COMPUTE_UNIFORM_BLOCKS 0x91BB +#define GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS 0x91BC +#define GL_MAX_COMPUTE_IMAGE_UNIFORMS 0x91BD +#define GL_MAX_COMPUTE_SHARED_MEMORY_SIZE 0x8262 +#define GL_MAX_COMPUTE_UNIFORM_COMPONENTS 0x8263 +#define GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS 0x8264 +#define GL_MAX_COMPUTE_ATOMIC_COUNTERS 0x8265 +#define GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS 0x8266 +#define GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS 0x90EB +#define GL_MAX_COMPUTE_WORK_GROUP_COUNT 0x91BE +#define GL_MAX_COMPUTE_WORK_GROUP_SIZE 0x91BF +#define GL_COMPUTE_WORK_GROUP_SIZE 0x8267 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER 0x90EC +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER 0x90ED +#define GL_DISPATCH_INDIRECT_BUFFER 0x90EE +#define GL_DISPATCH_INDIRECT_BUFFER_BINDING 0x90EF +#define GL_COMPUTE_SHADER_BIT 0x00000020 +#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242 +#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243 +#define GL_DEBUG_CALLBACK_FUNCTION 0x8244 +#define GL_DEBUG_CALLBACK_USER_PARAM 0x8245 +#define GL_DEBUG_SOURCE_API 0x8246 +#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247 +#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248 +#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249 +#define GL_DEBUG_SOURCE_APPLICATION 0x824A +#define GL_DEBUG_SOURCE_OTHER 0x824B +#define GL_DEBUG_TYPE_ERROR 0x824C +#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D +#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E +#define GL_DEBUG_TYPE_PORTABILITY 0x824F +#define GL_DEBUG_TYPE_PERFORMANCE 0x8250 +#define GL_DEBUG_TYPE_OTHER 0x8251 +#define GL_MAX_DEBUG_MESSAGE_LENGTH 0x9143 +#define GL_MAX_DEBUG_LOGGED_MESSAGES 0x9144 +#define GL_DEBUG_LOGGED_MESSAGES 0x9145 +#define GL_DEBUG_SEVERITY_HIGH 0x9146 +#define GL_DEBUG_SEVERITY_MEDIUM 0x9147 +#define GL_DEBUG_SEVERITY_LOW 0x9148 +#define GL_DEBUG_TYPE_MARKER 0x8268 +#define GL_DEBUG_TYPE_PUSH_GROUP 0x8269 +#define GL_DEBUG_TYPE_POP_GROUP 0x826A +#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B +#define GL_MAX_DEBUG_GROUP_STACK_DEPTH 0x826C +#define GL_DEBUG_GROUP_STACK_DEPTH 0x826D +#define GL_BUFFER 0x82E0 +#define GL_SHADER 0x82E1 +#define GL_PROGRAM 0x82E2 +#define GL_VERTEX_ARRAY 0x8074 +#define GL_QUERY 0x82E3 +#define GL_PROGRAM_PIPELINE 0x82E4 +#define GL_SAMPLER 0x82E6 +#define GL_MAX_LABEL_LENGTH 0x82E8 +#define GL_DEBUG_OUTPUT 0x92E0 +#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002 +#define GL_MAX_UNIFORM_LOCATIONS 0x826E +#define GL_FRAMEBUFFER_DEFAULT_WIDTH 0x9310 +#define GL_FRAMEBUFFER_DEFAULT_HEIGHT 0x9311 +#define GL_FRAMEBUFFER_DEFAULT_LAYERS 0x9312 +#define GL_FRAMEBUFFER_DEFAULT_SAMPLES 0x9313 +#define GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS 0x9314 +#define GL_MAX_FRAMEBUFFER_WIDTH 0x9315 +#define GL_MAX_FRAMEBUFFER_HEIGHT 0x9316 +#define GL_MAX_FRAMEBUFFER_LAYERS 0x9317 +#define GL_MAX_FRAMEBUFFER_SAMPLES 0x9318 +#define GL_INTERNALFORMAT_SUPPORTED 0x826F +#define GL_INTERNALFORMAT_PREFERRED 0x8270 +#define GL_INTERNALFORMAT_RED_SIZE 0x8271 +#define GL_INTERNALFORMAT_GREEN_SIZE 0x8272 +#define GL_INTERNALFORMAT_BLUE_SIZE 0x8273 +#define GL_INTERNALFORMAT_ALPHA_SIZE 0x8274 +#define GL_INTERNALFORMAT_DEPTH_SIZE 0x8275 +#define GL_INTERNALFORMAT_STENCIL_SIZE 0x8276 +#define GL_INTERNALFORMAT_SHARED_SIZE 0x8277 +#define GL_INTERNALFORMAT_RED_TYPE 0x8278 +#define GL_INTERNALFORMAT_GREEN_TYPE 0x8279 +#define GL_INTERNALFORMAT_BLUE_TYPE 0x827A +#define GL_INTERNALFORMAT_ALPHA_TYPE 0x827B +#define GL_INTERNALFORMAT_DEPTH_TYPE 0x827C +#define GL_INTERNALFORMAT_STENCIL_TYPE 0x827D +#define GL_MAX_WIDTH 0x827E +#define GL_MAX_HEIGHT 0x827F +#define GL_MAX_DEPTH 0x8280 +#define GL_MAX_LAYERS 0x8281 +#define GL_MAX_COMBINED_DIMENSIONS 0x8282 +#define GL_COLOR_COMPONENTS 0x8283 +#define GL_DEPTH_COMPONENTS 0x8284 +#define GL_STENCIL_COMPONENTS 0x8285 +#define GL_COLOR_RENDERABLE 0x8286 +#define GL_DEPTH_RENDERABLE 0x8287 +#define GL_STENCIL_RENDERABLE 0x8288 +#define GL_FRAMEBUFFER_RENDERABLE 0x8289 +#define GL_FRAMEBUFFER_RENDERABLE_LAYERED 0x828A +#define GL_FRAMEBUFFER_BLEND 0x828B +#define GL_READ_PIXELS 0x828C +#define GL_READ_PIXELS_FORMAT 0x828D +#define GL_READ_PIXELS_TYPE 0x828E +#define GL_TEXTURE_IMAGE_FORMAT 0x828F +#define GL_TEXTURE_IMAGE_TYPE 0x8290 +#define GL_GET_TEXTURE_IMAGE_FORMAT 0x8291 +#define GL_GET_TEXTURE_IMAGE_TYPE 0x8292 +#define GL_MIPMAP 0x8293 +#define GL_MANUAL_GENERATE_MIPMAP 0x8294 +#define GL_AUTO_GENERATE_MIPMAP 0x8295 +#define GL_COLOR_ENCODING 0x8296 +#define GL_SRGB_READ 0x8297 +#define GL_SRGB_WRITE 0x8298 +#define GL_FILTER 0x829A +#define GL_VERTEX_TEXTURE 0x829B +#define GL_TESS_CONTROL_TEXTURE 0x829C +#define GL_TESS_EVALUATION_TEXTURE 0x829D +#define GL_GEOMETRY_TEXTURE 0x829E +#define GL_FRAGMENT_TEXTURE 0x829F +#define GL_COMPUTE_TEXTURE 0x82A0 +#define GL_TEXTURE_SHADOW 0x82A1 +#define GL_TEXTURE_GATHER 0x82A2 +#define GL_TEXTURE_GATHER_SHADOW 0x82A3 +#define GL_SHADER_IMAGE_LOAD 0x82A4 +#define GL_SHADER_IMAGE_STORE 0x82A5 +#define GL_SHADER_IMAGE_ATOMIC 0x82A6 +#define GL_IMAGE_TEXEL_SIZE 0x82A7 +#define GL_IMAGE_COMPATIBILITY_CLASS 0x82A8 +#define GL_IMAGE_PIXEL_FORMAT 0x82A9 +#define GL_IMAGE_PIXEL_TYPE 0x82AA +#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST 0x82AC +#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST 0x82AD +#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE 0x82AE +#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE 0x82AF +#define GL_TEXTURE_COMPRESSED_BLOCK_WIDTH 0x82B1 +#define GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT 0x82B2 +#define GL_TEXTURE_COMPRESSED_BLOCK_SIZE 0x82B3 +#define GL_CLEAR_BUFFER 0x82B4 +#define GL_TEXTURE_VIEW 0x82B5 +#define GL_VIEW_COMPATIBILITY_CLASS 0x82B6 +#define GL_FULL_SUPPORT 0x82B7 +#define GL_CAVEAT_SUPPORT 0x82B8 +#define GL_IMAGE_CLASS_4_X_32 0x82B9 +#define GL_IMAGE_CLASS_2_X_32 0x82BA +#define GL_IMAGE_CLASS_1_X_32 0x82BB +#define GL_IMAGE_CLASS_4_X_16 0x82BC +#define GL_IMAGE_CLASS_2_X_16 0x82BD +#define GL_IMAGE_CLASS_1_X_16 0x82BE +#define GL_IMAGE_CLASS_4_X_8 0x82BF +#define GL_IMAGE_CLASS_2_X_8 0x82C0 +#define GL_IMAGE_CLASS_1_X_8 0x82C1 +#define GL_IMAGE_CLASS_11_11_10 0x82C2 +#define GL_IMAGE_CLASS_10_10_10_2 0x82C3 +#define GL_VIEW_CLASS_128_BITS 0x82C4 +#define GL_VIEW_CLASS_96_BITS 0x82C5 +#define GL_VIEW_CLASS_64_BITS 0x82C6 +#define GL_VIEW_CLASS_48_BITS 0x82C7 +#define GL_VIEW_CLASS_32_BITS 0x82C8 +#define GL_VIEW_CLASS_24_BITS 0x82C9 +#define GL_VIEW_CLASS_16_BITS 0x82CA +#define GL_VIEW_CLASS_8_BITS 0x82CB +#define GL_VIEW_CLASS_S3TC_DXT1_RGB 0x82CC +#define GL_VIEW_CLASS_S3TC_DXT1_RGBA 0x82CD +#define GL_VIEW_CLASS_S3TC_DXT3_RGBA 0x82CE +#define GL_VIEW_CLASS_S3TC_DXT5_RGBA 0x82CF +#define GL_VIEW_CLASS_RGTC1_RED 0x82D0 +#define GL_VIEW_CLASS_RGTC2_RG 0x82D1 +#define GL_VIEW_CLASS_BPTC_UNORM 0x82D2 +#define GL_VIEW_CLASS_BPTC_FLOAT 0x82D3 +#define GL_UNIFORM 0x92E1 +#define GL_UNIFORM_BLOCK 0x92E2 +#define GL_PROGRAM_INPUT 0x92E3 +#define GL_PROGRAM_OUTPUT 0x92E4 +#define GL_BUFFER_VARIABLE 0x92E5 +#define GL_SHADER_STORAGE_BLOCK 0x92E6 +#define GL_VERTEX_SUBROUTINE 0x92E8 +#define GL_TESS_CONTROL_SUBROUTINE 0x92E9 +#define GL_TESS_EVALUATION_SUBROUTINE 0x92EA +#define GL_GEOMETRY_SUBROUTINE 0x92EB +#define GL_FRAGMENT_SUBROUTINE 0x92EC +#define GL_COMPUTE_SUBROUTINE 0x92ED +#define GL_VERTEX_SUBROUTINE_UNIFORM 0x92EE +#define GL_TESS_CONTROL_SUBROUTINE_UNIFORM 0x92EF +#define GL_TESS_EVALUATION_SUBROUTINE_UNIFORM 0x92F0 +#define GL_GEOMETRY_SUBROUTINE_UNIFORM 0x92F1 +#define GL_FRAGMENT_SUBROUTINE_UNIFORM 0x92F2 +#define GL_COMPUTE_SUBROUTINE_UNIFORM 0x92F3 +#define GL_TRANSFORM_FEEDBACK_VARYING 0x92F4 +#define GL_ACTIVE_RESOURCES 0x92F5 +#define GL_MAX_NAME_LENGTH 0x92F6 +#define GL_MAX_NUM_ACTIVE_VARIABLES 0x92F7 +#define GL_MAX_NUM_COMPATIBLE_SUBROUTINES 0x92F8 +#define GL_NAME_LENGTH 0x92F9 +#define GL_TYPE 0x92FA +#define GL_ARRAY_SIZE 0x92FB +#define GL_OFFSET 0x92FC +#define GL_BLOCK_INDEX 0x92FD +#define GL_ARRAY_STRIDE 0x92FE +#define GL_MATRIX_STRIDE 0x92FF +#define GL_IS_ROW_MAJOR 0x9300 +#define GL_ATOMIC_COUNTER_BUFFER_INDEX 0x9301 +#define GL_BUFFER_BINDING 0x9302 +#define GL_BUFFER_DATA_SIZE 0x9303 +#define GL_NUM_ACTIVE_VARIABLES 0x9304 +#define GL_ACTIVE_VARIABLES 0x9305 +#define GL_REFERENCED_BY_VERTEX_SHADER 0x9306 +#define GL_REFERENCED_BY_TESS_CONTROL_SHADER 0x9307 +#define GL_REFERENCED_BY_TESS_EVALUATION_SHADER 0x9308 +#define GL_REFERENCED_BY_GEOMETRY_SHADER 0x9309 +#define GL_REFERENCED_BY_FRAGMENT_SHADER 0x930A +#define GL_REFERENCED_BY_COMPUTE_SHADER 0x930B +#define GL_TOP_LEVEL_ARRAY_SIZE 0x930C +#define GL_TOP_LEVEL_ARRAY_STRIDE 0x930D +#define GL_LOCATION 0x930E +#define GL_LOCATION_INDEX 0x930F +#define GL_IS_PER_PATCH 0x92E7 +#define GL_SHADER_STORAGE_BUFFER 0x90D2 +#define GL_SHADER_STORAGE_BUFFER_BINDING 0x90D3 +#define GL_SHADER_STORAGE_BUFFER_START 0x90D4 +#define GL_SHADER_STORAGE_BUFFER_SIZE 0x90D5 +#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6 +#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7 +#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8 +#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9 +#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA +#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB +#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC +#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD +#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE 0x90DE +#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF +#define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000 +#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES 0x8F39 +#define GL_DEPTH_STENCIL_TEXTURE_MODE 0x90EA +#define GL_TEXTURE_BUFFER_OFFSET 0x919D +#define GL_TEXTURE_BUFFER_SIZE 0x919E +#define GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT 0x919F +#define GL_TEXTURE_VIEW_MIN_LEVEL 0x82DB +#define GL_TEXTURE_VIEW_NUM_LEVELS 0x82DC +#define GL_TEXTURE_VIEW_MIN_LAYER 0x82DD +#define GL_TEXTURE_VIEW_NUM_LAYERS 0x82DE +#define GL_TEXTURE_IMMUTABLE_LEVELS 0x82DF +#define GL_VERTEX_ATTRIB_BINDING 0x82D4 +#define GL_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D5 +#define GL_VERTEX_BINDING_DIVISOR 0x82D6 +#define GL_VERTEX_BINDING_OFFSET 0x82D7 +#define GL_VERTEX_BINDING_STRIDE 0x82D8 +#define GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D9 +#define GL_MAX_VERTEX_ATTRIB_BINDINGS 0x82DA +#define GL_VERTEX_BINDING_BUFFER 0x8F4F +#define GL_DISPLAY_LIST 0x82E7 +#define GL_STACK_UNDERFLOW 0x0504 +#define GL_STACK_OVERFLOW 0x0503 +#define GL_MAX_VERTEX_ATTRIB_STRIDE 0x82E5 +#define GL_PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED 0x8221 +#define GL_TEXTURE_BUFFER_BINDING 0x8C2A +#define GL_MAP_PERSISTENT_BIT 0x0040 +#define GL_MAP_COHERENT_BIT 0x0080 +#define GL_DYNAMIC_STORAGE_BIT 0x0100 +#define GL_CLIENT_STORAGE_BIT 0x0200 +#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT 0x00004000 +#define GL_BUFFER_IMMUTABLE_STORAGE 0x821F +#define GL_BUFFER_STORAGE_FLAGS 0x8220 +#define GL_CLEAR_TEXTURE 0x9365 +#define GL_LOCATION_COMPONENT 0x934A +#define GL_TRANSFORM_FEEDBACK_BUFFER_INDEX 0x934B +#define GL_TRANSFORM_FEEDBACK_BUFFER_STRIDE 0x934C +#define GL_QUERY_BUFFER 0x9192 +#define GL_QUERY_BUFFER_BARRIER_BIT 0x00008000 +#define GL_QUERY_BUFFER_BINDING 0x9193 +#define GL_QUERY_RESULT_NO_WAIT 0x9194 +#define GL_MIRROR_CLAMP_TO_EDGE 0x8743 +#define GL_CONTEXT_LOST 0x0507 +#define GL_NEGATIVE_ONE_TO_ONE 0x935E +#define GL_ZERO_TO_ONE 0x935F +#define GL_CLIP_ORIGIN 0x935C +#define GL_CLIP_DEPTH_MODE 0x935D +#define GL_QUERY_WAIT_INVERTED 0x8E17 +#define GL_QUERY_NO_WAIT_INVERTED 0x8E18 +#define GL_QUERY_BY_REGION_WAIT_INVERTED 0x8E19 +#define GL_QUERY_BY_REGION_NO_WAIT_INVERTED 0x8E1A +#define GL_MAX_CULL_DISTANCES 0x82F9 +#define GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES 0x82FA +#define GL_TEXTURE_TARGET 0x1006 +#define GL_QUERY_TARGET 0x82EA +#define GL_GUILTY_CONTEXT_RESET 0x8253 +#define GL_INNOCENT_CONTEXT_RESET 0x8254 +#define GL_UNKNOWN_CONTEXT_RESET 0x8255 +#define GL_RESET_NOTIFICATION_STRATEGY 0x8256 +#define GL_LOSE_CONTEXT_ON_RESET 0x8252 +#define GL_NO_RESET_NOTIFICATION 0x8261 +#define GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT 0x00000004 +#define GL_COLOR_TABLE 0x80D0 +#define GL_POST_CONVOLUTION_COLOR_TABLE 0x80D1 +#define GL_POST_COLOR_MATRIX_COLOR_TABLE 0x80D2 +#define GL_PROXY_COLOR_TABLE 0x80D3 +#define GL_PROXY_POST_CONVOLUTION_COLOR_TABLE 0x80D4 +#define GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE 0x80D5 +#define GL_CONVOLUTION_1D 0x8010 +#define GL_CONVOLUTION_2D 0x8011 +#define GL_SEPARABLE_2D 0x8012 +#define GL_HISTOGRAM 0x8024 +#define GL_PROXY_HISTOGRAM 0x8025 +#define GL_MINMAX 0x802E +#define GL_CONTEXT_RELEASE_BEHAVIOR 0x82FB +#define GL_CONTEXT_RELEASE_BEHAVIOR_FLUSH 0x82FC +#ifndef GL_VERSION_1_0 + #define GL_VERSION_1_0 1 +GLAPI int GLAD_GL_VERSION_1_0; +typedef void(APIENTRYP PFNGLCULLFACEPROC)(GLenum mode); +GLAPI PFNGLCULLFACEPROC glad_glCullFace; + #define glCullFace glad_glCullFace +typedef void(APIENTRYP PFNGLFRONTFACEPROC)(GLenum mode); +GLAPI PFNGLFRONTFACEPROC glad_glFrontFace; + #define glFrontFace glad_glFrontFace +typedef void(APIENTRYP PFNGLHINTPROC)(GLenum target, GLenum mode); +GLAPI PFNGLHINTPROC glad_glHint; + #define glHint glad_glHint +typedef void(APIENTRYP PFNGLLINEWIDTHPROC)(GLfloat width); +GLAPI PFNGLLINEWIDTHPROC glad_glLineWidth; + #define glLineWidth glad_glLineWidth +typedef void(APIENTRYP PFNGLPOINTSIZEPROC)(GLfloat size); +GLAPI PFNGLPOINTSIZEPROC glad_glPointSize; + #define glPointSize glad_glPointSize +typedef void(APIENTRYP PFNGLPOLYGONMODEPROC)(GLenum face, GLenum mode); +GLAPI PFNGLPOLYGONMODEPROC glad_glPolygonMode; + #define glPolygonMode glad_glPolygonMode +typedef void(APIENTRYP PFNGLSCISSORPROC)(GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLSCISSORPROC glad_glScissor; + #define glScissor glad_glScissor +typedef void(APIENTRYP PFNGLTEXPARAMETERFPROC)(GLenum target, GLenum pname, GLfloat param); +GLAPI PFNGLTEXPARAMETERFPROC glad_glTexParameterf; + #define glTexParameterf glad_glTexParameterf +typedef void(APIENTRYP PFNGLTEXPARAMETERFVPROC)(GLenum target, GLenum pname, const GLfloat *params); +GLAPI PFNGLTEXPARAMETERFVPROC glad_glTexParameterfv; + #define glTexParameterfv glad_glTexParameterfv +typedef void(APIENTRYP PFNGLTEXPARAMETERIPROC)(GLenum target, GLenum pname, GLint param); +GLAPI PFNGLTEXPARAMETERIPROC glad_glTexParameteri; + #define glTexParameteri glad_glTexParameteri +typedef void(APIENTRYP PFNGLTEXPARAMETERIVPROC)(GLenum target, GLenum pname, const GLint *params); +GLAPI PFNGLTEXPARAMETERIVPROC glad_glTexParameteriv; + #define glTexParameteriv glad_glTexParameteriv +typedef void(APIENTRYP PFNGLTEXIMAGE1DPROC)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXIMAGE1DPROC glad_glTexImage1D; + #define glTexImage1D glad_glTexImage1D +typedef void(APIENTRYP PFNGLTEXIMAGE2DPROC)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXIMAGE2DPROC glad_glTexImage2D; + #define glTexImage2D glad_glTexImage2D +typedef void(APIENTRYP PFNGLDRAWBUFFERPROC)(GLenum buf); +GLAPI PFNGLDRAWBUFFERPROC glad_glDrawBuffer; + #define glDrawBuffer glad_glDrawBuffer +typedef void(APIENTRYP PFNGLCLEARPROC)(GLbitfield mask); +GLAPI PFNGLCLEARPROC glad_glClear; + #define glClear glad_glClear +typedef void(APIENTRYP PFNGLCLEARCOLORPROC)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); +GLAPI PFNGLCLEARCOLORPROC glad_glClearColor; + #define glClearColor glad_glClearColor +typedef void(APIENTRYP PFNGLCLEARSTENCILPROC)(GLint s); +GLAPI PFNGLCLEARSTENCILPROC glad_glClearStencil; + #define glClearStencil glad_glClearStencil +typedef void(APIENTRYP PFNGLCLEARDEPTHPROC)(GLdouble depth); +GLAPI PFNGLCLEARDEPTHPROC glad_glClearDepth; + #define glClearDepth glad_glClearDepth +typedef void(APIENTRYP PFNGLSTENCILMASKPROC)(GLuint mask); +GLAPI PFNGLSTENCILMASKPROC glad_glStencilMask; + #define glStencilMask glad_glStencilMask +typedef void(APIENTRYP PFNGLCOLORMASKPROC)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); +GLAPI PFNGLCOLORMASKPROC glad_glColorMask; + #define glColorMask glad_glColorMask +typedef void(APIENTRYP PFNGLDEPTHMASKPROC)(GLboolean flag); +GLAPI PFNGLDEPTHMASKPROC glad_glDepthMask; + #define glDepthMask glad_glDepthMask +typedef void(APIENTRYP PFNGLDISABLEPROC)(GLenum cap); +GLAPI PFNGLDISABLEPROC glad_glDisable; + #define glDisable glad_glDisable +typedef void(APIENTRYP PFNGLENABLEPROC)(GLenum cap); +GLAPI PFNGLENABLEPROC glad_glEnable; + #define glEnable glad_glEnable +typedef void(APIENTRYP PFNGLFINISHPROC)(void); +GLAPI PFNGLFINISHPROC glad_glFinish; + #define glFinish glad_glFinish +typedef void(APIENTRYP PFNGLFLUSHPROC)(void); +GLAPI PFNGLFLUSHPROC glad_glFlush; + #define glFlush glad_glFlush +typedef void(APIENTRYP PFNGLBLENDFUNCPROC)(GLenum sfactor, GLenum dfactor); +GLAPI PFNGLBLENDFUNCPROC glad_glBlendFunc; + #define glBlendFunc glad_glBlendFunc +typedef void(APIENTRYP PFNGLLOGICOPPROC)(GLenum opcode); +GLAPI PFNGLLOGICOPPROC glad_glLogicOp; + #define glLogicOp glad_glLogicOp +typedef void(APIENTRYP PFNGLSTENCILFUNCPROC)(GLenum func, GLint ref, GLuint mask); +GLAPI PFNGLSTENCILFUNCPROC glad_glStencilFunc; + #define glStencilFunc glad_glStencilFunc +typedef void(APIENTRYP PFNGLSTENCILOPPROC)(GLenum fail, GLenum zfail, GLenum zpass); +GLAPI PFNGLSTENCILOPPROC glad_glStencilOp; + #define glStencilOp glad_glStencilOp +typedef void(APIENTRYP PFNGLDEPTHFUNCPROC)(GLenum func); +GLAPI PFNGLDEPTHFUNCPROC glad_glDepthFunc; + #define glDepthFunc glad_glDepthFunc +typedef void(APIENTRYP PFNGLPIXELSTOREFPROC)(GLenum pname, GLfloat param); +GLAPI PFNGLPIXELSTOREFPROC glad_glPixelStoref; + #define glPixelStoref glad_glPixelStoref +typedef void(APIENTRYP PFNGLPIXELSTOREIPROC)(GLenum pname, GLint param); +GLAPI PFNGLPIXELSTOREIPROC glad_glPixelStorei; + #define glPixelStorei glad_glPixelStorei +typedef void(APIENTRYP PFNGLREADBUFFERPROC)(GLenum src); +GLAPI PFNGLREADBUFFERPROC glad_glReadBuffer; + #define glReadBuffer glad_glReadBuffer +typedef void(APIENTRYP PFNGLREADPIXELSPROC)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels); +GLAPI PFNGLREADPIXELSPROC glad_glReadPixels; + #define glReadPixels glad_glReadPixels +typedef void(APIENTRYP PFNGLGETBOOLEANVPROC)(GLenum pname, GLboolean *data); +GLAPI PFNGLGETBOOLEANVPROC glad_glGetBooleanv; + #define glGetBooleanv glad_glGetBooleanv +typedef void(APIENTRYP PFNGLGETDOUBLEVPROC)(GLenum pname, GLdouble *data); +GLAPI PFNGLGETDOUBLEVPROC glad_glGetDoublev; + #define glGetDoublev glad_glGetDoublev +typedef GLenum(APIENTRYP PFNGLGETERRORPROC)(void); +GLAPI PFNGLGETERRORPROC glad_glGetError; + #define glGetError glad_glGetError +typedef void(APIENTRYP PFNGLGETFLOATVPROC)(GLenum pname, GLfloat *data); +GLAPI PFNGLGETFLOATVPROC glad_glGetFloatv; + #define glGetFloatv glad_glGetFloatv +typedef void(APIENTRYP PFNGLGETINTEGERVPROC)(GLenum pname, GLint *data); +GLAPI PFNGLGETINTEGERVPROC glad_glGetIntegerv; + #define glGetIntegerv glad_glGetIntegerv +typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGPROC)(GLenum name); +GLAPI PFNGLGETSTRINGPROC glad_glGetString; + #define glGetString glad_glGetString +typedef void(APIENTRYP PFNGLGETTEXIMAGEPROC)(GLenum target, GLint level, GLenum format, GLenum type, void *pixels); +GLAPI PFNGLGETTEXIMAGEPROC glad_glGetTexImage; + #define glGetTexImage glad_glGetTexImage +typedef void(APIENTRYP PFNGLGETTEXPARAMETERFVPROC)(GLenum target, GLenum pname, GLfloat *params); +GLAPI PFNGLGETTEXPARAMETERFVPROC glad_glGetTexParameterfv; + #define glGetTexParameterfv glad_glGetTexParameterfv +typedef void(APIENTRYP PFNGLGETTEXPARAMETERIVPROC)(GLenum target, GLenum pname, GLint *params); +GLAPI PFNGLGETTEXPARAMETERIVPROC glad_glGetTexParameteriv; + #define glGetTexParameteriv glad_glGetTexParameteriv +typedef void(APIENTRYP PFNGLGETTEXLEVELPARAMETERFVPROC)(GLenum target, GLint level, GLenum pname, GLfloat *params); +GLAPI PFNGLGETTEXLEVELPARAMETERFVPROC glad_glGetTexLevelParameterfv; + #define glGetTexLevelParameterfv glad_glGetTexLevelParameterfv +typedef void(APIENTRYP PFNGLGETTEXLEVELPARAMETERIVPROC)(GLenum target, GLint level, GLenum pname, GLint *params); +GLAPI PFNGLGETTEXLEVELPARAMETERIVPROC glad_glGetTexLevelParameteriv; + #define glGetTexLevelParameteriv glad_glGetTexLevelParameteriv +typedef GLboolean(APIENTRYP PFNGLISENABLEDPROC)(GLenum cap); +GLAPI PFNGLISENABLEDPROC glad_glIsEnabled; + #define glIsEnabled glad_glIsEnabled +typedef void(APIENTRYP PFNGLDEPTHRANGEPROC)(GLdouble n, GLdouble f); +GLAPI PFNGLDEPTHRANGEPROC glad_glDepthRange; + #define glDepthRange glad_glDepthRange +typedef void(APIENTRYP PFNGLVIEWPORTPROC)(GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLVIEWPORTPROC glad_glViewport; + #define glViewport glad_glViewport +#endif +#ifndef GL_VERSION_1_1 + #define GL_VERSION_1_1 1 +GLAPI int GLAD_GL_VERSION_1_1; +typedef void(APIENTRYP PFNGLDRAWARRAYSPROC)(GLenum mode, GLint first, GLsizei count); +GLAPI PFNGLDRAWARRAYSPROC glad_glDrawArrays; + #define glDrawArrays glad_glDrawArrays +typedef void(APIENTRYP PFNGLDRAWELEMENTSPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices); +GLAPI PFNGLDRAWELEMENTSPROC glad_glDrawElements; + #define glDrawElements glad_glDrawElements +typedef void(APIENTRYP PFNGLPOLYGONOFFSETPROC)(GLfloat factor, GLfloat units); +GLAPI PFNGLPOLYGONOFFSETPROC glad_glPolygonOffset; + #define glPolygonOffset glad_glPolygonOffset +typedef void(APIENTRYP PFNGLCOPYTEXIMAGE1DPROC)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border); +GLAPI PFNGLCOPYTEXIMAGE1DPROC glad_glCopyTexImage1D; + #define glCopyTexImage1D glad_glCopyTexImage1D +typedef void(APIENTRYP PFNGLCOPYTEXIMAGE2DPROC)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); +GLAPI PFNGLCOPYTEXIMAGE2DPROC glad_glCopyTexImage2D; + #define glCopyTexImage2D glad_glCopyTexImage2D +typedef void(APIENTRYP PFNGLCOPYTEXSUBIMAGE1DPROC)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width); +GLAPI PFNGLCOPYTEXSUBIMAGE1DPROC glad_glCopyTexSubImage1D; + #define glCopyTexSubImage1D glad_glCopyTexSubImage1D +typedef void(APIENTRYP PFNGLCOPYTEXSUBIMAGE2DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLCOPYTEXSUBIMAGE2DPROC glad_glCopyTexSubImage2D; + #define glCopyTexSubImage2D glad_glCopyTexSubImage2D +typedef void(APIENTRYP PFNGLTEXSUBIMAGE1DPROC)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXSUBIMAGE1DPROC glad_glTexSubImage1D; + #define glTexSubImage1D glad_glTexSubImage1D +typedef void(APIENTRYP PFNGLTEXSUBIMAGE2DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXSUBIMAGE2DPROC glad_glTexSubImage2D; + #define glTexSubImage2D glad_glTexSubImage2D +typedef void(APIENTRYP PFNGLBINDTEXTUREPROC)(GLenum target, GLuint texture); +GLAPI PFNGLBINDTEXTUREPROC glad_glBindTexture; + #define glBindTexture glad_glBindTexture +typedef void(APIENTRYP PFNGLDELETETEXTURESPROC)(GLsizei n, const GLuint *textures); +GLAPI PFNGLDELETETEXTURESPROC glad_glDeleteTextures; + #define glDeleteTextures glad_glDeleteTextures +typedef void(APIENTRYP PFNGLGENTEXTURESPROC)(GLsizei n, GLuint *textures); +GLAPI PFNGLGENTEXTURESPROC glad_glGenTextures; + #define glGenTextures glad_glGenTextures +typedef GLboolean(APIENTRYP PFNGLISTEXTUREPROC)(GLuint texture); +GLAPI PFNGLISTEXTUREPROC glad_glIsTexture; + #define glIsTexture glad_glIsTexture +#endif +#ifndef GL_VERSION_1_2 + #define GL_VERSION_1_2 1 +GLAPI int GLAD_GL_VERSION_1_2; +typedef void(APIENTRYP PFNGLDRAWRANGEELEMENTSPROC)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices); +GLAPI PFNGLDRAWRANGEELEMENTSPROC glad_glDrawRangeElements; + #define glDrawRangeElements glad_glDrawRangeElements +typedef void(APIENTRYP PFNGLTEXIMAGE3DPROC)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXIMAGE3DPROC glad_glTexImage3D; + #define glTexImage3D glad_glTexImage3D +typedef void(APIENTRYP PFNGLTEXSUBIMAGE3DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXSUBIMAGE3DPROC glad_glTexSubImage3D; + #define glTexSubImage3D glad_glTexSubImage3D +typedef void(APIENTRYP PFNGLCOPYTEXSUBIMAGE3DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLCOPYTEXSUBIMAGE3DPROC glad_glCopyTexSubImage3D; + #define glCopyTexSubImage3D glad_glCopyTexSubImage3D +#endif +#ifndef GL_VERSION_1_3 + #define GL_VERSION_1_3 1 +GLAPI int GLAD_GL_VERSION_1_3; +typedef void(APIENTRYP PFNGLACTIVETEXTUREPROC)(GLenum texture); +GLAPI PFNGLACTIVETEXTUREPROC glad_glActiveTexture; + #define glActiveTexture glad_glActiveTexture +typedef void(APIENTRYP PFNGLSAMPLECOVERAGEPROC)(GLfloat value, GLboolean invert); +GLAPI PFNGLSAMPLECOVERAGEPROC glad_glSampleCoverage; + #define glSampleCoverage glad_glSampleCoverage +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DPROC)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXIMAGE3DPROC glad_glCompressedTexImage3D; + #define glCompressedTexImage3D glad_glCompressedTexImage3D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXIMAGE2DPROC)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXIMAGE2DPROC glad_glCompressedTexImage2D; + #define glCompressedTexImage2D glad_glCompressedTexImage2D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXIMAGE1DPROC)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXIMAGE1DPROC glad_glCompressedTexImage1D; + #define glCompressedTexImage1D glad_glCompressedTexImage1D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glad_glCompressedTexSubImage3D; + #define glCompressedTexSubImage3D glad_glCompressedTexSubImage3D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glad_glCompressedTexSubImage2D; + #define glCompressedTexSubImage2D glad_glCompressedTexSubImage2D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glad_glCompressedTexSubImage1D; + #define glCompressedTexSubImage1D glad_glCompressedTexSubImage1D +typedef void(APIENTRYP PFNGLGETCOMPRESSEDTEXIMAGEPROC)(GLenum target, GLint level, void *img); +GLAPI PFNGLGETCOMPRESSEDTEXIMAGEPROC glad_glGetCompressedTexImage; + #define glGetCompressedTexImage glad_glGetCompressedTexImage +#endif +#ifndef GL_VERSION_1_4 + #define GL_VERSION_1_4 1 +GLAPI int GLAD_GL_VERSION_1_4; +typedef void(APIENTRYP PFNGLBLENDFUNCSEPARATEPROC)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha); +GLAPI PFNGLBLENDFUNCSEPARATEPROC glad_glBlendFuncSeparate; + #define glBlendFuncSeparate glad_glBlendFuncSeparate +typedef void(APIENTRYP PFNGLMULTIDRAWARRAYSPROC)(GLenum mode, const GLint *first, const GLsizei *count, GLsizei drawcount); +GLAPI PFNGLMULTIDRAWARRAYSPROC glad_glMultiDrawArrays; + #define glMultiDrawArrays glad_glMultiDrawArrays +typedef void(APIENTRYP PFNGLMULTIDRAWELEMENTSPROC)(GLenum mode, const GLsizei *count, GLenum type, const void *const *indices, GLsizei drawcount); +GLAPI PFNGLMULTIDRAWELEMENTSPROC glad_glMultiDrawElements; + #define glMultiDrawElements glad_glMultiDrawElements +typedef void(APIENTRYP PFNGLPOINTPARAMETERFPROC)(GLenum pname, GLfloat param); +GLAPI PFNGLPOINTPARAMETERFPROC glad_glPointParameterf; + #define glPointParameterf glad_glPointParameterf +typedef void(APIENTRYP PFNGLPOINTPARAMETERFVPROC)(GLenum pname, const GLfloat *params); +GLAPI PFNGLPOINTPARAMETERFVPROC glad_glPointParameterfv; + #define glPointParameterfv glad_glPointParameterfv +typedef void(APIENTRYP PFNGLPOINTPARAMETERIPROC)(GLenum pname, GLint param); +GLAPI PFNGLPOINTPARAMETERIPROC glad_glPointParameteri; + #define glPointParameteri glad_glPointParameteri +typedef void(APIENTRYP PFNGLPOINTPARAMETERIVPROC)(GLenum pname, const GLint *params); +GLAPI PFNGLPOINTPARAMETERIVPROC glad_glPointParameteriv; + #define glPointParameteriv glad_glPointParameteriv +typedef void(APIENTRYP PFNGLBLENDCOLORPROC)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); +GLAPI PFNGLBLENDCOLORPROC glad_glBlendColor; + #define glBlendColor glad_glBlendColor +typedef void(APIENTRYP PFNGLBLENDEQUATIONPROC)(GLenum mode); +GLAPI PFNGLBLENDEQUATIONPROC glad_glBlendEquation; + #define glBlendEquation glad_glBlendEquation +#endif +#ifndef GL_VERSION_1_5 + #define GL_VERSION_1_5 1 +GLAPI int GLAD_GL_VERSION_1_5; +typedef void(APIENTRYP PFNGLGENQUERIESPROC)(GLsizei n, GLuint *ids); +GLAPI PFNGLGENQUERIESPROC glad_glGenQueries; + #define glGenQueries glad_glGenQueries +typedef void(APIENTRYP PFNGLDELETEQUERIESPROC)(GLsizei n, const GLuint *ids); +GLAPI PFNGLDELETEQUERIESPROC glad_glDeleteQueries; + #define glDeleteQueries glad_glDeleteQueries +typedef GLboolean(APIENTRYP PFNGLISQUERYPROC)(GLuint id); +GLAPI PFNGLISQUERYPROC glad_glIsQuery; + #define glIsQuery glad_glIsQuery +typedef void(APIENTRYP PFNGLBEGINQUERYPROC)(GLenum target, GLuint id); +GLAPI PFNGLBEGINQUERYPROC glad_glBeginQuery; + #define glBeginQuery glad_glBeginQuery +typedef void(APIENTRYP PFNGLENDQUERYPROC)(GLenum target); +GLAPI PFNGLENDQUERYPROC glad_glEndQuery; + #define glEndQuery glad_glEndQuery +typedef void(APIENTRYP PFNGLGETQUERYIVPROC)(GLenum target, GLenum pname, GLint *params); +GLAPI PFNGLGETQUERYIVPROC glad_glGetQueryiv; + #define glGetQueryiv glad_glGetQueryiv +typedef void(APIENTRYP PFNGLGETQUERYOBJECTIVPROC)(GLuint id, GLenum pname, GLint *params); +GLAPI PFNGLGETQUERYOBJECTIVPROC glad_glGetQueryObjectiv; + #define glGetQueryObjectiv glad_glGetQueryObjectiv +typedef void(APIENTRYP PFNGLGETQUERYOBJECTUIVPROC)(GLuint id, GLenum pname, GLuint *params); +GLAPI PFNGLGETQUERYOBJECTUIVPROC glad_glGetQueryObjectuiv; + #define glGetQueryObjectuiv glad_glGetQueryObjectuiv +typedef void(APIENTRYP PFNGLBINDBUFFERPROC)(GLenum target, GLuint buffer); +GLAPI PFNGLBINDBUFFERPROC glad_glBindBuffer; + #define glBindBuffer glad_glBindBuffer +typedef void(APIENTRYP PFNGLDELETEBUFFERSPROC)(GLsizei n, const GLuint *buffers); +GLAPI PFNGLDELETEBUFFERSPROC glad_glDeleteBuffers; + #define glDeleteBuffers glad_glDeleteBuffers +typedef void(APIENTRYP PFNGLGENBUFFERSPROC)(GLsizei n, GLuint *buffers); +GLAPI PFNGLGENBUFFERSPROC glad_glGenBuffers; + #define glGenBuffers glad_glGenBuffers +typedef GLboolean(APIENTRYP PFNGLISBUFFERPROC)(GLuint buffer); +GLAPI PFNGLISBUFFERPROC glad_glIsBuffer; + #define glIsBuffer glad_glIsBuffer +typedef void(APIENTRYP PFNGLBUFFERDATAPROC)(GLenum target, GLsizeiptr size, const void *data, GLenum usage); +GLAPI PFNGLBUFFERDATAPROC glad_glBufferData; + #define glBufferData glad_glBufferData +typedef void(APIENTRYP PFNGLBUFFERSUBDATAPROC)(GLenum target, GLintptr offset, GLsizeiptr size, const void *data); +GLAPI PFNGLBUFFERSUBDATAPROC glad_glBufferSubData; + #define glBufferSubData glad_glBufferSubData +typedef void(APIENTRYP PFNGLGETBUFFERSUBDATAPROC)(GLenum target, GLintptr offset, GLsizeiptr size, void *data); +GLAPI PFNGLGETBUFFERSUBDATAPROC glad_glGetBufferSubData; + #define glGetBufferSubData glad_glGetBufferSubData +typedef void *(APIENTRYP PFNGLMAPBUFFERPROC)(GLenum target, GLenum access); +GLAPI PFNGLMAPBUFFERPROC glad_glMapBuffer; + #define glMapBuffer glad_glMapBuffer +typedef GLboolean(APIENTRYP PFNGLUNMAPBUFFERPROC)(GLenum target); +GLAPI PFNGLUNMAPBUFFERPROC glad_glUnmapBuffer; + #define glUnmapBuffer glad_glUnmapBuffer +typedef void(APIENTRYP PFNGLGETBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint *params); +GLAPI PFNGLGETBUFFERPARAMETERIVPROC glad_glGetBufferParameteriv; + #define glGetBufferParameteriv glad_glGetBufferParameteriv +typedef void(APIENTRYP PFNGLGETBUFFERPOINTERVPROC)(GLenum target, GLenum pname, void **params); +GLAPI PFNGLGETBUFFERPOINTERVPROC glad_glGetBufferPointerv; + #define glGetBufferPointerv glad_glGetBufferPointerv +#endif +#ifndef GL_VERSION_2_0 + #define GL_VERSION_2_0 1 +GLAPI int GLAD_GL_VERSION_2_0; +typedef void(APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC)(GLenum modeRGB, GLenum modeAlpha); +GLAPI PFNGLBLENDEQUATIONSEPARATEPROC glad_glBlendEquationSeparate; + #define glBlendEquationSeparate glad_glBlendEquationSeparate +typedef void(APIENTRYP PFNGLDRAWBUFFERSPROC)(GLsizei n, const GLenum *bufs); +GLAPI PFNGLDRAWBUFFERSPROC glad_glDrawBuffers; + #define glDrawBuffers glad_glDrawBuffers +typedef void(APIENTRYP PFNGLSTENCILOPSEPARATEPROC)(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass); +GLAPI PFNGLSTENCILOPSEPARATEPROC glad_glStencilOpSeparate; + #define glStencilOpSeparate glad_glStencilOpSeparate +typedef void(APIENTRYP PFNGLSTENCILFUNCSEPARATEPROC)(GLenum face, GLenum func, GLint ref, GLuint mask); +GLAPI PFNGLSTENCILFUNCSEPARATEPROC glad_glStencilFuncSeparate; + #define glStencilFuncSeparate glad_glStencilFuncSeparate +typedef void(APIENTRYP PFNGLSTENCILMASKSEPARATEPROC)(GLenum face, GLuint mask); +GLAPI PFNGLSTENCILMASKSEPARATEPROC glad_glStencilMaskSeparate; + #define glStencilMaskSeparate glad_glStencilMaskSeparate +typedef void(APIENTRYP PFNGLATTACHSHADERPROC)(GLuint program, GLuint shader); +GLAPI PFNGLATTACHSHADERPROC glad_glAttachShader; + #define glAttachShader glad_glAttachShader +typedef void(APIENTRYP PFNGLBINDATTRIBLOCATIONPROC)(GLuint program, GLuint index, const GLchar *name); +GLAPI PFNGLBINDATTRIBLOCATIONPROC glad_glBindAttribLocation; + #define glBindAttribLocation glad_glBindAttribLocation +typedef void(APIENTRYP PFNGLCOMPILESHADERPROC)(GLuint shader); +GLAPI PFNGLCOMPILESHADERPROC glad_glCompileShader; + #define glCompileShader glad_glCompileShader +typedef GLuint(APIENTRYP PFNGLCREATEPROGRAMPROC)(void); +GLAPI PFNGLCREATEPROGRAMPROC glad_glCreateProgram; + #define glCreateProgram glad_glCreateProgram +typedef GLuint(APIENTRYP PFNGLCREATESHADERPROC)(GLenum type); +GLAPI PFNGLCREATESHADERPROC glad_glCreateShader; + #define glCreateShader glad_glCreateShader +typedef void(APIENTRYP PFNGLDELETEPROGRAMPROC)(GLuint program); +GLAPI PFNGLDELETEPROGRAMPROC glad_glDeleteProgram; + #define glDeleteProgram glad_glDeleteProgram +typedef void(APIENTRYP PFNGLDELETESHADERPROC)(GLuint shader); +GLAPI PFNGLDELETESHADERPROC glad_glDeleteShader; + #define glDeleteShader glad_glDeleteShader +typedef void(APIENTRYP PFNGLDETACHSHADERPROC)(GLuint program, GLuint shader); +GLAPI PFNGLDETACHSHADERPROC glad_glDetachShader; + #define glDetachShader glad_glDetachShader +typedef void(APIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYPROC)(GLuint index); +GLAPI PFNGLDISABLEVERTEXATTRIBARRAYPROC glad_glDisableVertexAttribArray; + #define glDisableVertexAttribArray glad_glDisableVertexAttribArray +typedef void(APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC)(GLuint index); +GLAPI PFNGLENABLEVERTEXATTRIBARRAYPROC glad_glEnableVertexAttribArray; + #define glEnableVertexAttribArray glad_glEnableVertexAttribArray +typedef void(APIENTRYP PFNGLGETACTIVEATTRIBPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); +GLAPI PFNGLGETACTIVEATTRIBPROC glad_glGetActiveAttrib; + #define glGetActiveAttrib glad_glGetActiveAttrib +typedef void(APIENTRYP PFNGLGETACTIVEUNIFORMPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); +GLAPI PFNGLGETACTIVEUNIFORMPROC glad_glGetActiveUniform; + #define glGetActiveUniform glad_glGetActiveUniform +typedef void(APIENTRYP PFNGLGETATTACHEDSHADERSPROC)(GLuint program, GLsizei maxCount, GLsizei *count, GLuint *shaders); +GLAPI PFNGLGETATTACHEDSHADERSPROC glad_glGetAttachedShaders; + #define glGetAttachedShaders glad_glGetAttachedShaders +typedef GLint(APIENTRYP PFNGLGETATTRIBLOCATIONPROC)(GLuint program, const GLchar *name); +GLAPI PFNGLGETATTRIBLOCATIONPROC glad_glGetAttribLocation; + #define glGetAttribLocation glad_glGetAttribLocation +typedef void(APIENTRYP PFNGLGETPROGRAMIVPROC)(GLuint program, GLenum pname, GLint *params); +GLAPI PFNGLGETPROGRAMIVPROC glad_glGetProgramiv; + #define glGetProgramiv glad_glGetProgramiv +typedef void(APIENTRYP PFNGLGETPROGRAMINFOLOGPROC)(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +GLAPI PFNGLGETPROGRAMINFOLOGPROC glad_glGetProgramInfoLog; + #define glGetProgramInfoLog glad_glGetProgramInfoLog +typedef void(APIENTRYP PFNGLGETSHADERIVPROC)(GLuint shader, GLenum pname, GLint *params); +GLAPI PFNGLGETSHADERIVPROC glad_glGetShaderiv; + #define glGetShaderiv glad_glGetShaderiv +typedef void(APIENTRYP PFNGLGETSHADERINFOLOGPROC)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +GLAPI PFNGLGETSHADERINFOLOGPROC glad_glGetShaderInfoLog; + #define glGetShaderInfoLog glad_glGetShaderInfoLog +typedef void(APIENTRYP PFNGLGETSHADERSOURCEPROC)(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source); +GLAPI PFNGLGETSHADERSOURCEPROC glad_glGetShaderSource; + #define glGetShaderSource glad_glGetShaderSource +typedef GLint(APIENTRYP PFNGLGETUNIFORMLOCATIONPROC)(GLuint program, const GLchar *name); +GLAPI PFNGLGETUNIFORMLOCATIONPROC glad_glGetUniformLocation; + #define glGetUniformLocation glad_glGetUniformLocation +typedef void(APIENTRYP PFNGLGETUNIFORMFVPROC)(GLuint program, GLint location, GLfloat *params); +GLAPI PFNGLGETUNIFORMFVPROC glad_glGetUniformfv; + #define glGetUniformfv glad_glGetUniformfv +typedef void(APIENTRYP PFNGLGETUNIFORMIVPROC)(GLuint program, GLint location, GLint *params); +GLAPI PFNGLGETUNIFORMIVPROC glad_glGetUniformiv; + #define glGetUniformiv glad_glGetUniformiv +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBDVPROC)(GLuint index, GLenum pname, GLdouble *params); +GLAPI PFNGLGETVERTEXATTRIBDVPROC glad_glGetVertexAttribdv; + #define glGetVertexAttribdv glad_glGetVertexAttribdv +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBFVPROC)(GLuint index, GLenum pname, GLfloat *params); +GLAPI PFNGLGETVERTEXATTRIBFVPROC glad_glGetVertexAttribfv; + #define glGetVertexAttribfv glad_glGetVertexAttribfv +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBIVPROC)(GLuint index, GLenum pname, GLint *params); +GLAPI PFNGLGETVERTEXATTRIBIVPROC glad_glGetVertexAttribiv; + #define glGetVertexAttribiv glad_glGetVertexAttribiv +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBPOINTERVPROC)(GLuint index, GLenum pname, void **pointer); +GLAPI PFNGLGETVERTEXATTRIBPOINTERVPROC glad_glGetVertexAttribPointerv; + #define glGetVertexAttribPointerv glad_glGetVertexAttribPointerv +typedef GLboolean(APIENTRYP PFNGLISPROGRAMPROC)(GLuint program); +GLAPI PFNGLISPROGRAMPROC glad_glIsProgram; + #define glIsProgram glad_glIsProgram +typedef GLboolean(APIENTRYP PFNGLISSHADERPROC)(GLuint shader); +GLAPI PFNGLISSHADERPROC glad_glIsShader; + #define glIsShader glad_glIsShader +typedef void(APIENTRYP PFNGLLINKPROGRAMPROC)(GLuint program); +GLAPI PFNGLLINKPROGRAMPROC glad_glLinkProgram; + #define glLinkProgram glad_glLinkProgram +typedef void(APIENTRYP PFNGLSHADERSOURCEPROC)(GLuint shader, GLsizei count, const GLchar *const *string, const GLint *length); +GLAPI PFNGLSHADERSOURCEPROC glad_glShaderSource; + #define glShaderSource glad_glShaderSource +typedef void(APIENTRYP PFNGLUSEPROGRAMPROC)(GLuint program); +GLAPI PFNGLUSEPROGRAMPROC glad_glUseProgram; + #define glUseProgram glad_glUseProgram +typedef void(APIENTRYP PFNGLUNIFORM1FPROC)(GLint location, GLfloat v0); +GLAPI PFNGLUNIFORM1FPROC glad_glUniform1f; + #define glUniform1f glad_glUniform1f +typedef void(APIENTRYP PFNGLUNIFORM2FPROC)(GLint location, GLfloat v0, GLfloat v1); +GLAPI PFNGLUNIFORM2FPROC glad_glUniform2f; + #define glUniform2f glad_glUniform2f +typedef void(APIENTRYP PFNGLUNIFORM3FPROC)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +GLAPI PFNGLUNIFORM3FPROC glad_glUniform3f; + #define glUniform3f glad_glUniform3f +typedef void(APIENTRYP PFNGLUNIFORM4FPROC)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +GLAPI PFNGLUNIFORM4FPROC glad_glUniform4f; + #define glUniform4f glad_glUniform4f +typedef void(APIENTRYP PFNGLUNIFORM1IPROC)(GLint location, GLint v0); +GLAPI PFNGLUNIFORM1IPROC glad_glUniform1i; + #define glUniform1i glad_glUniform1i +typedef void(APIENTRYP PFNGLUNIFORM2IPROC)(GLint location, GLint v0, GLint v1); +GLAPI PFNGLUNIFORM2IPROC glad_glUniform2i; + #define glUniform2i glad_glUniform2i +typedef void(APIENTRYP PFNGLUNIFORM3IPROC)(GLint location, GLint v0, GLint v1, GLint v2); +GLAPI PFNGLUNIFORM3IPROC glad_glUniform3i; + #define glUniform3i glad_glUniform3i +typedef void(APIENTRYP PFNGLUNIFORM4IPROC)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +GLAPI PFNGLUNIFORM4IPROC glad_glUniform4i; + #define glUniform4i glad_glUniform4i +typedef void(APIENTRYP PFNGLUNIFORM1FVPROC)(GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLUNIFORM1FVPROC glad_glUniform1fv; + #define glUniform1fv glad_glUniform1fv +typedef void(APIENTRYP PFNGLUNIFORM2FVPROC)(GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLUNIFORM2FVPROC glad_glUniform2fv; + #define glUniform2fv glad_glUniform2fv +typedef void(APIENTRYP PFNGLUNIFORM3FVPROC)(GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLUNIFORM3FVPROC glad_glUniform3fv; + #define glUniform3fv glad_glUniform3fv +typedef void(APIENTRYP PFNGLUNIFORM4FVPROC)(GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLUNIFORM4FVPROC glad_glUniform4fv; + #define glUniform4fv glad_glUniform4fv +typedef void(APIENTRYP PFNGLUNIFORM1IVPROC)(GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLUNIFORM1IVPROC glad_glUniform1iv; + #define glUniform1iv glad_glUniform1iv +typedef void(APIENTRYP PFNGLUNIFORM2IVPROC)(GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLUNIFORM2IVPROC glad_glUniform2iv; + #define glUniform2iv glad_glUniform2iv +typedef void(APIENTRYP PFNGLUNIFORM3IVPROC)(GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLUNIFORM3IVPROC glad_glUniform3iv; + #define glUniform3iv glad_glUniform3iv +typedef void(APIENTRYP PFNGLUNIFORM4IVPROC)(GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLUNIFORM4IVPROC glad_glUniform4iv; + #define glUniform4iv glad_glUniform4iv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX2FVPROC glad_glUniformMatrix2fv; + #define glUniformMatrix2fv glad_glUniformMatrix2fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX3FVPROC glad_glUniformMatrix3fv; + #define glUniformMatrix3fv glad_glUniformMatrix3fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX4FVPROC glad_glUniformMatrix4fv; + #define glUniformMatrix4fv glad_glUniformMatrix4fv +typedef void(APIENTRYP PFNGLVALIDATEPROGRAMPROC)(GLuint program); +GLAPI PFNGLVALIDATEPROGRAMPROC glad_glValidateProgram; + #define glValidateProgram glad_glValidateProgram +typedef void(APIENTRYP PFNGLVERTEXATTRIB1DPROC)(GLuint index, GLdouble x); +GLAPI PFNGLVERTEXATTRIB1DPROC glad_glVertexAttrib1d; + #define glVertexAttrib1d glad_glVertexAttrib1d +typedef void(APIENTRYP PFNGLVERTEXATTRIB1DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIB1DVPROC glad_glVertexAttrib1dv; + #define glVertexAttrib1dv glad_glVertexAttrib1dv +typedef void(APIENTRYP PFNGLVERTEXATTRIB1FPROC)(GLuint index, GLfloat x); +GLAPI PFNGLVERTEXATTRIB1FPROC glad_glVertexAttrib1f; + #define glVertexAttrib1f glad_glVertexAttrib1f +typedef void(APIENTRYP PFNGLVERTEXATTRIB1FVPROC)(GLuint index, const GLfloat *v); +GLAPI PFNGLVERTEXATTRIB1FVPROC glad_glVertexAttrib1fv; + #define glVertexAttrib1fv glad_glVertexAttrib1fv +typedef void(APIENTRYP PFNGLVERTEXATTRIB1SPROC)(GLuint index, GLshort x); +GLAPI PFNGLVERTEXATTRIB1SPROC glad_glVertexAttrib1s; + #define glVertexAttrib1s glad_glVertexAttrib1s +typedef void(APIENTRYP PFNGLVERTEXATTRIB1SVPROC)(GLuint index, const GLshort *v); +GLAPI PFNGLVERTEXATTRIB1SVPROC glad_glVertexAttrib1sv; + #define glVertexAttrib1sv glad_glVertexAttrib1sv +typedef void(APIENTRYP PFNGLVERTEXATTRIB2DPROC)(GLuint index, GLdouble x, GLdouble y); +GLAPI PFNGLVERTEXATTRIB2DPROC glad_glVertexAttrib2d; + #define glVertexAttrib2d glad_glVertexAttrib2d +typedef void(APIENTRYP PFNGLVERTEXATTRIB2DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIB2DVPROC glad_glVertexAttrib2dv; + #define glVertexAttrib2dv glad_glVertexAttrib2dv +typedef void(APIENTRYP PFNGLVERTEXATTRIB2FPROC)(GLuint index, GLfloat x, GLfloat y); +GLAPI PFNGLVERTEXATTRIB2FPROC glad_glVertexAttrib2f; + #define glVertexAttrib2f glad_glVertexAttrib2f +typedef void(APIENTRYP PFNGLVERTEXATTRIB2FVPROC)(GLuint index, const GLfloat *v); +GLAPI PFNGLVERTEXATTRIB2FVPROC glad_glVertexAttrib2fv; + #define glVertexAttrib2fv glad_glVertexAttrib2fv +typedef void(APIENTRYP PFNGLVERTEXATTRIB2SPROC)(GLuint index, GLshort x, GLshort y); +GLAPI PFNGLVERTEXATTRIB2SPROC glad_glVertexAttrib2s; + #define glVertexAttrib2s glad_glVertexAttrib2s +typedef void(APIENTRYP PFNGLVERTEXATTRIB2SVPROC)(GLuint index, const GLshort *v); +GLAPI PFNGLVERTEXATTRIB2SVPROC glad_glVertexAttrib2sv; + #define glVertexAttrib2sv glad_glVertexAttrib2sv +typedef void(APIENTRYP PFNGLVERTEXATTRIB3DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z); +GLAPI PFNGLVERTEXATTRIB3DPROC glad_glVertexAttrib3d; + #define glVertexAttrib3d glad_glVertexAttrib3d +typedef void(APIENTRYP PFNGLVERTEXATTRIB3DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIB3DVPROC glad_glVertexAttrib3dv; + #define glVertexAttrib3dv glad_glVertexAttrib3dv +typedef void(APIENTRYP PFNGLVERTEXATTRIB3FPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat z); +GLAPI PFNGLVERTEXATTRIB3FPROC glad_glVertexAttrib3f; + #define glVertexAttrib3f glad_glVertexAttrib3f +typedef void(APIENTRYP PFNGLVERTEXATTRIB3FVPROC)(GLuint index, const GLfloat *v); +GLAPI PFNGLVERTEXATTRIB3FVPROC glad_glVertexAttrib3fv; + #define glVertexAttrib3fv glad_glVertexAttrib3fv +typedef void(APIENTRYP PFNGLVERTEXATTRIB3SPROC)(GLuint index, GLshort x, GLshort y, GLshort z); +GLAPI PFNGLVERTEXATTRIB3SPROC glad_glVertexAttrib3s; + #define glVertexAttrib3s glad_glVertexAttrib3s +typedef void(APIENTRYP PFNGLVERTEXATTRIB3SVPROC)(GLuint index, const GLshort *v); +GLAPI PFNGLVERTEXATTRIB3SVPROC glad_glVertexAttrib3sv; + #define glVertexAttrib3sv glad_glVertexAttrib3sv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NBVPROC)(GLuint index, const GLbyte *v); +GLAPI PFNGLVERTEXATTRIB4NBVPROC glad_glVertexAttrib4Nbv; + #define glVertexAttrib4Nbv glad_glVertexAttrib4Nbv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NIVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLVERTEXATTRIB4NIVPROC glad_glVertexAttrib4Niv; + #define glVertexAttrib4Niv glad_glVertexAttrib4Niv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NSVPROC)(GLuint index, const GLshort *v); +GLAPI PFNGLVERTEXATTRIB4NSVPROC glad_glVertexAttrib4Nsv; + #define glVertexAttrib4Nsv glad_glVertexAttrib4Nsv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NUBPROC)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w); +GLAPI PFNGLVERTEXATTRIB4NUBPROC glad_glVertexAttrib4Nub; + #define glVertexAttrib4Nub glad_glVertexAttrib4Nub +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NUBVPROC)(GLuint index, const GLubyte *v); +GLAPI PFNGLVERTEXATTRIB4NUBVPROC glad_glVertexAttrib4Nubv; + #define glVertexAttrib4Nubv glad_glVertexAttrib4Nubv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NUIVPROC)(GLuint index, const GLuint *v); +GLAPI PFNGLVERTEXATTRIB4NUIVPROC glad_glVertexAttrib4Nuiv; + #define glVertexAttrib4Nuiv glad_glVertexAttrib4Nuiv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4NUSVPROC)(GLuint index, const GLushort *v); +GLAPI PFNGLVERTEXATTRIB4NUSVPROC glad_glVertexAttrib4Nusv; + #define glVertexAttrib4Nusv glad_glVertexAttrib4Nusv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4BVPROC)(GLuint index, const GLbyte *v); +GLAPI PFNGLVERTEXATTRIB4BVPROC glad_glVertexAttrib4bv; + #define glVertexAttrib4bv glad_glVertexAttrib4bv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +GLAPI PFNGLVERTEXATTRIB4DPROC glad_glVertexAttrib4d; + #define glVertexAttrib4d glad_glVertexAttrib4d +typedef void(APIENTRYP PFNGLVERTEXATTRIB4DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIB4DVPROC glad_glVertexAttrib4dv; + #define glVertexAttrib4dv glad_glVertexAttrib4dv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4FPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +GLAPI PFNGLVERTEXATTRIB4FPROC glad_glVertexAttrib4f; + #define glVertexAttrib4f glad_glVertexAttrib4f +typedef void(APIENTRYP PFNGLVERTEXATTRIB4FVPROC)(GLuint index, const GLfloat *v); +GLAPI PFNGLVERTEXATTRIB4FVPROC glad_glVertexAttrib4fv; + #define glVertexAttrib4fv glad_glVertexAttrib4fv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4IVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLVERTEXATTRIB4IVPROC glad_glVertexAttrib4iv; + #define glVertexAttrib4iv glad_glVertexAttrib4iv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4SPROC)(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w); +GLAPI PFNGLVERTEXATTRIB4SPROC glad_glVertexAttrib4s; + #define glVertexAttrib4s glad_glVertexAttrib4s +typedef void(APIENTRYP PFNGLVERTEXATTRIB4SVPROC)(GLuint index, const GLshort *v); +GLAPI PFNGLVERTEXATTRIB4SVPROC glad_glVertexAttrib4sv; + #define glVertexAttrib4sv glad_glVertexAttrib4sv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4UBVPROC)(GLuint index, const GLubyte *v); +GLAPI PFNGLVERTEXATTRIB4UBVPROC glad_glVertexAttrib4ubv; + #define glVertexAttrib4ubv glad_glVertexAttrib4ubv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4UIVPROC)(GLuint index, const GLuint *v); +GLAPI PFNGLVERTEXATTRIB4UIVPROC glad_glVertexAttrib4uiv; + #define glVertexAttrib4uiv glad_glVertexAttrib4uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIB4USVPROC)(GLuint index, const GLushort *v); +GLAPI PFNGLVERTEXATTRIB4USVPROC glad_glVertexAttrib4usv; + #define glVertexAttrib4usv glad_glVertexAttrib4usv +typedef void(APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer); +GLAPI PFNGLVERTEXATTRIBPOINTERPROC glad_glVertexAttribPointer; + #define glVertexAttribPointer glad_glVertexAttribPointer +#endif +#ifndef GL_VERSION_2_1 + #define GL_VERSION_2_1 1 +GLAPI int GLAD_GL_VERSION_2_1; +typedef void(APIENTRYP PFNGLUNIFORMMATRIX2X3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX2X3FVPROC glad_glUniformMatrix2x3fv; + #define glUniformMatrix2x3fv glad_glUniformMatrix2x3fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX3X2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX3X2FVPROC glad_glUniformMatrix3x2fv; + #define glUniformMatrix3x2fv glad_glUniformMatrix3x2fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX2X4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX2X4FVPROC glad_glUniformMatrix2x4fv; + #define glUniformMatrix2x4fv glad_glUniformMatrix2x4fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX4X2FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX4X2FVPROC glad_glUniformMatrix4x2fv; + #define glUniformMatrix4x2fv glad_glUniformMatrix4x2fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX3X4FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX3X4FVPROC glad_glUniformMatrix3x4fv; + #define glUniformMatrix3x4fv glad_glUniformMatrix3x4fv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX4X3FVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLUNIFORMMATRIX4X3FVPROC glad_glUniformMatrix4x3fv; + #define glUniformMatrix4x3fv glad_glUniformMatrix4x3fv +#endif +#ifndef GL_VERSION_3_0 + #define GL_VERSION_3_0 1 +GLAPI int GLAD_GL_VERSION_3_0; +typedef void(APIENTRYP PFNGLCOLORMASKIPROC)(GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a); +GLAPI PFNGLCOLORMASKIPROC glad_glColorMaski; + #define glColorMaski glad_glColorMaski +typedef void(APIENTRYP PFNGLGETBOOLEANI_VPROC)(GLenum target, GLuint index, GLboolean *data); +GLAPI PFNGLGETBOOLEANI_VPROC glad_glGetBooleani_v; + #define glGetBooleani_v glad_glGetBooleani_v +typedef void(APIENTRYP PFNGLGETINTEGERI_VPROC)(GLenum target, GLuint index, GLint *data); +GLAPI PFNGLGETINTEGERI_VPROC glad_glGetIntegeri_v; + #define glGetIntegeri_v glad_glGetIntegeri_v +typedef void(APIENTRYP PFNGLENABLEIPROC)(GLenum target, GLuint index); +GLAPI PFNGLENABLEIPROC glad_glEnablei; + #define glEnablei glad_glEnablei +typedef void(APIENTRYP PFNGLDISABLEIPROC)(GLenum target, GLuint index); +GLAPI PFNGLDISABLEIPROC glad_glDisablei; + #define glDisablei glad_glDisablei +typedef GLboolean(APIENTRYP PFNGLISENABLEDIPROC)(GLenum target, GLuint index); +GLAPI PFNGLISENABLEDIPROC glad_glIsEnabledi; + #define glIsEnabledi glad_glIsEnabledi +typedef void(APIENTRYP PFNGLBEGINTRANSFORMFEEDBACKPROC)(GLenum primitiveMode); +GLAPI PFNGLBEGINTRANSFORMFEEDBACKPROC glad_glBeginTransformFeedback; + #define glBeginTransformFeedback glad_glBeginTransformFeedback +typedef void(APIENTRYP PFNGLENDTRANSFORMFEEDBACKPROC)(void); +GLAPI PFNGLENDTRANSFORMFEEDBACKPROC glad_glEndTransformFeedback; + #define glEndTransformFeedback glad_glEndTransformFeedback +typedef void(APIENTRYP PFNGLBINDBUFFERRANGEPROC)(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size); +GLAPI PFNGLBINDBUFFERRANGEPROC glad_glBindBufferRange; + #define glBindBufferRange glad_glBindBufferRange +typedef void(APIENTRYP PFNGLBINDBUFFERBASEPROC)(GLenum target, GLuint index, GLuint buffer); +GLAPI PFNGLBINDBUFFERBASEPROC glad_glBindBufferBase; + #define glBindBufferBase glad_glBindBufferBase +typedef void(APIENTRYP PFNGLTRANSFORMFEEDBACKVARYINGSPROC)(GLuint program, GLsizei count, const GLchar *const *varyings, GLenum bufferMode); +GLAPI PFNGLTRANSFORMFEEDBACKVARYINGSPROC glad_glTransformFeedbackVaryings; + #define glTransformFeedbackVaryings glad_glTransformFeedbackVaryings +typedef void(APIENTRYP PFNGLGETTRANSFORMFEEDBACKVARYINGPROC)(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name); +GLAPI PFNGLGETTRANSFORMFEEDBACKVARYINGPROC glad_glGetTransformFeedbackVarying; + #define glGetTransformFeedbackVarying glad_glGetTransformFeedbackVarying +typedef void(APIENTRYP PFNGLCLAMPCOLORPROC)(GLenum target, GLenum clamp); +GLAPI PFNGLCLAMPCOLORPROC glad_glClampColor; + #define glClampColor glad_glClampColor +typedef void(APIENTRYP PFNGLBEGINCONDITIONALRENDERPROC)(GLuint id, GLenum mode); +GLAPI PFNGLBEGINCONDITIONALRENDERPROC glad_glBeginConditionalRender; + #define glBeginConditionalRender glad_glBeginConditionalRender +typedef void(APIENTRYP PFNGLENDCONDITIONALRENDERPROC)(void); +GLAPI PFNGLENDCONDITIONALRENDERPROC glad_glEndConditionalRender; + #define glEndConditionalRender glad_glEndConditionalRender +typedef void(APIENTRYP PFNGLVERTEXATTRIBIPOINTERPROC)(GLuint index, GLint size, GLenum type, GLsizei stride, const void *pointer); +GLAPI PFNGLVERTEXATTRIBIPOINTERPROC glad_glVertexAttribIPointer; + #define glVertexAttribIPointer glad_glVertexAttribIPointer +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBIIVPROC)(GLuint index, GLenum pname, GLint *params); +GLAPI PFNGLGETVERTEXATTRIBIIVPROC glad_glGetVertexAttribIiv; + #define glGetVertexAttribIiv glad_glGetVertexAttribIiv +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBIUIVPROC)(GLuint index, GLenum pname, GLuint *params); +GLAPI PFNGLGETVERTEXATTRIBIUIVPROC glad_glGetVertexAttribIuiv; + #define glGetVertexAttribIuiv glad_glGetVertexAttribIuiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI1IPROC)(GLuint index, GLint x); +GLAPI PFNGLVERTEXATTRIBI1IPROC glad_glVertexAttribI1i; + #define glVertexAttribI1i glad_glVertexAttribI1i +typedef void(APIENTRYP PFNGLVERTEXATTRIBI2IPROC)(GLuint index, GLint x, GLint y); +GLAPI PFNGLVERTEXATTRIBI2IPROC glad_glVertexAttribI2i; + #define glVertexAttribI2i glad_glVertexAttribI2i +typedef void(APIENTRYP PFNGLVERTEXATTRIBI3IPROC)(GLuint index, GLint x, GLint y, GLint z); +GLAPI PFNGLVERTEXATTRIBI3IPROC glad_glVertexAttribI3i; + #define glVertexAttribI3i glad_glVertexAttribI3i +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4IPROC)(GLuint index, GLint x, GLint y, GLint z, GLint w); +GLAPI PFNGLVERTEXATTRIBI4IPROC glad_glVertexAttribI4i; + #define glVertexAttribI4i glad_glVertexAttribI4i +typedef void(APIENTRYP PFNGLVERTEXATTRIBI1UIPROC)(GLuint index, GLuint x); +GLAPI PFNGLVERTEXATTRIBI1UIPROC glad_glVertexAttribI1ui; + #define glVertexAttribI1ui glad_glVertexAttribI1ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBI2UIPROC)(GLuint index, GLuint x, GLuint y); +GLAPI PFNGLVERTEXATTRIBI2UIPROC glad_glVertexAttribI2ui; + #define glVertexAttribI2ui glad_glVertexAttribI2ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBI3UIPROC)(GLuint index, GLuint x, GLuint y, GLuint z); +GLAPI PFNGLVERTEXATTRIBI3UIPROC glad_glVertexAttribI3ui; + #define glVertexAttribI3ui glad_glVertexAttribI3ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4UIPROC)(GLuint index, GLuint x, GLuint y, GLuint z, GLuint w); +GLAPI PFNGLVERTEXATTRIBI4UIPROC glad_glVertexAttribI4ui; + #define glVertexAttribI4ui glad_glVertexAttribI4ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBI1IVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLVERTEXATTRIBI1IVPROC glad_glVertexAttribI1iv; + #define glVertexAttribI1iv glad_glVertexAttribI1iv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI2IVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLVERTEXATTRIBI2IVPROC glad_glVertexAttribI2iv; + #define glVertexAttribI2iv glad_glVertexAttribI2iv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI3IVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLVERTEXATTRIBI3IVPROC glad_glVertexAttribI3iv; + #define glVertexAttribI3iv glad_glVertexAttribI3iv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4IVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLVERTEXATTRIBI4IVPROC glad_glVertexAttribI4iv; + #define glVertexAttribI4iv glad_glVertexAttribI4iv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI1UIVPROC)(GLuint index, const GLuint *v); +GLAPI PFNGLVERTEXATTRIBI1UIVPROC glad_glVertexAttribI1uiv; + #define glVertexAttribI1uiv glad_glVertexAttribI1uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI2UIVPROC)(GLuint index, const GLuint *v); +GLAPI PFNGLVERTEXATTRIBI2UIVPROC glad_glVertexAttribI2uiv; + #define glVertexAttribI2uiv glad_glVertexAttribI2uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI3UIVPROC)(GLuint index, const GLuint *v); +GLAPI PFNGLVERTEXATTRIBI3UIVPROC glad_glVertexAttribI3uiv; + #define glVertexAttribI3uiv glad_glVertexAttribI3uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4UIVPROC)(GLuint index, const GLuint *v); +GLAPI PFNGLVERTEXATTRIBI4UIVPROC glad_glVertexAttribI4uiv; + #define glVertexAttribI4uiv glad_glVertexAttribI4uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4BVPROC)(GLuint index, const GLbyte *v); +GLAPI PFNGLVERTEXATTRIBI4BVPROC glad_glVertexAttribI4bv; + #define glVertexAttribI4bv glad_glVertexAttribI4bv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4SVPROC)(GLuint index, const GLshort *v); +GLAPI PFNGLVERTEXATTRIBI4SVPROC glad_glVertexAttribI4sv; + #define glVertexAttribI4sv glad_glVertexAttribI4sv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4UBVPROC)(GLuint index, const GLubyte *v); +GLAPI PFNGLVERTEXATTRIBI4UBVPROC glad_glVertexAttribI4ubv; + #define glVertexAttribI4ubv glad_glVertexAttribI4ubv +typedef void(APIENTRYP PFNGLVERTEXATTRIBI4USVPROC)(GLuint index, const GLushort *v); +GLAPI PFNGLVERTEXATTRIBI4USVPROC glad_glVertexAttribI4usv; + #define glVertexAttribI4usv glad_glVertexAttribI4usv +typedef void(APIENTRYP PFNGLGETUNIFORMUIVPROC)(GLuint program, GLint location, GLuint *params); +GLAPI PFNGLGETUNIFORMUIVPROC glad_glGetUniformuiv; + #define glGetUniformuiv glad_glGetUniformuiv +typedef void(APIENTRYP PFNGLBINDFRAGDATALOCATIONPROC)(GLuint program, GLuint color, const GLchar *name); +GLAPI PFNGLBINDFRAGDATALOCATIONPROC glad_glBindFragDataLocation; + #define glBindFragDataLocation glad_glBindFragDataLocation +typedef GLint(APIENTRYP PFNGLGETFRAGDATALOCATIONPROC)(GLuint program, const GLchar *name); +GLAPI PFNGLGETFRAGDATALOCATIONPROC glad_glGetFragDataLocation; + #define glGetFragDataLocation glad_glGetFragDataLocation +typedef void(APIENTRYP PFNGLUNIFORM1UIPROC)(GLint location, GLuint v0); +GLAPI PFNGLUNIFORM1UIPROC glad_glUniform1ui; + #define glUniform1ui glad_glUniform1ui +typedef void(APIENTRYP PFNGLUNIFORM2UIPROC)(GLint location, GLuint v0, GLuint v1); +GLAPI PFNGLUNIFORM2UIPROC glad_glUniform2ui; + #define glUniform2ui glad_glUniform2ui +typedef void(APIENTRYP PFNGLUNIFORM3UIPROC)(GLint location, GLuint v0, GLuint v1, GLuint v2); +GLAPI PFNGLUNIFORM3UIPROC glad_glUniform3ui; + #define glUniform3ui glad_glUniform3ui +typedef void(APIENTRYP PFNGLUNIFORM4UIPROC)(GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); +GLAPI PFNGLUNIFORM4UIPROC glad_glUniform4ui; + #define glUniform4ui glad_glUniform4ui +typedef void(APIENTRYP PFNGLUNIFORM1UIVPROC)(GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLUNIFORM1UIVPROC glad_glUniform1uiv; + #define glUniform1uiv glad_glUniform1uiv +typedef void(APIENTRYP PFNGLUNIFORM2UIVPROC)(GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLUNIFORM2UIVPROC glad_glUniform2uiv; + #define glUniform2uiv glad_glUniform2uiv +typedef void(APIENTRYP PFNGLUNIFORM3UIVPROC)(GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLUNIFORM3UIVPROC glad_glUniform3uiv; + #define glUniform3uiv glad_glUniform3uiv +typedef void(APIENTRYP PFNGLUNIFORM4UIVPROC)(GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLUNIFORM4UIVPROC glad_glUniform4uiv; + #define glUniform4uiv glad_glUniform4uiv +typedef void(APIENTRYP PFNGLTEXPARAMETERIIVPROC)(GLenum target, GLenum pname, const GLint *params); +GLAPI PFNGLTEXPARAMETERIIVPROC glad_glTexParameterIiv; + #define glTexParameterIiv glad_glTexParameterIiv +typedef void(APIENTRYP PFNGLTEXPARAMETERIUIVPROC)(GLenum target, GLenum pname, const GLuint *params); +GLAPI PFNGLTEXPARAMETERIUIVPROC glad_glTexParameterIuiv; + #define glTexParameterIuiv glad_glTexParameterIuiv +typedef void(APIENTRYP PFNGLGETTEXPARAMETERIIVPROC)(GLenum target, GLenum pname, GLint *params); +GLAPI PFNGLGETTEXPARAMETERIIVPROC glad_glGetTexParameterIiv; + #define glGetTexParameterIiv glad_glGetTexParameterIiv +typedef void(APIENTRYP PFNGLGETTEXPARAMETERIUIVPROC)(GLenum target, GLenum pname, GLuint *params); +GLAPI PFNGLGETTEXPARAMETERIUIVPROC glad_glGetTexParameterIuiv; + #define glGetTexParameterIuiv glad_glGetTexParameterIuiv +typedef void(APIENTRYP PFNGLCLEARBUFFERIVPROC)(GLenum buffer, GLint drawbuffer, const GLint *value); +GLAPI PFNGLCLEARBUFFERIVPROC glad_glClearBufferiv; + #define glClearBufferiv glad_glClearBufferiv +typedef void(APIENTRYP PFNGLCLEARBUFFERUIVPROC)(GLenum buffer, GLint drawbuffer, const GLuint *value); +GLAPI PFNGLCLEARBUFFERUIVPROC glad_glClearBufferuiv; + #define glClearBufferuiv glad_glClearBufferuiv +typedef void(APIENTRYP PFNGLCLEARBUFFERFVPROC)(GLenum buffer, GLint drawbuffer, const GLfloat *value); +GLAPI PFNGLCLEARBUFFERFVPROC glad_glClearBufferfv; + #define glClearBufferfv glad_glClearBufferfv +typedef void(APIENTRYP PFNGLCLEARBUFFERFIPROC)(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil); +GLAPI PFNGLCLEARBUFFERFIPROC glad_glClearBufferfi; + #define glClearBufferfi glad_glClearBufferfi +typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGIPROC)(GLenum name, GLuint index); +GLAPI PFNGLGETSTRINGIPROC glad_glGetStringi; + #define glGetStringi glad_glGetStringi +typedef GLboolean(APIENTRYP PFNGLISRENDERBUFFERPROC)(GLuint renderbuffer); +GLAPI PFNGLISRENDERBUFFERPROC glad_glIsRenderbuffer; + #define glIsRenderbuffer glad_glIsRenderbuffer +typedef void(APIENTRYP PFNGLBINDRENDERBUFFERPROC)(GLenum target, GLuint renderbuffer); +GLAPI PFNGLBINDRENDERBUFFERPROC glad_glBindRenderbuffer; + #define glBindRenderbuffer glad_glBindRenderbuffer +typedef void(APIENTRYP PFNGLDELETERENDERBUFFERSPROC)(GLsizei n, const GLuint *renderbuffers); +GLAPI PFNGLDELETERENDERBUFFERSPROC glad_glDeleteRenderbuffers; + #define glDeleteRenderbuffers glad_glDeleteRenderbuffers +typedef void(APIENTRYP PFNGLGENRENDERBUFFERSPROC)(GLsizei n, GLuint *renderbuffers); +GLAPI PFNGLGENRENDERBUFFERSPROC glad_glGenRenderbuffers; + #define glGenRenderbuffers glad_glGenRenderbuffers +typedef void(APIENTRYP PFNGLRENDERBUFFERSTORAGEPROC)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI PFNGLRENDERBUFFERSTORAGEPROC glad_glRenderbufferStorage; + #define glRenderbufferStorage glad_glRenderbufferStorage +typedef void(APIENTRYP PFNGLGETRENDERBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint *params); +GLAPI PFNGLGETRENDERBUFFERPARAMETERIVPROC glad_glGetRenderbufferParameteriv; + #define glGetRenderbufferParameteriv glad_glGetRenderbufferParameteriv +typedef GLboolean(APIENTRYP PFNGLISFRAMEBUFFERPROC)(GLuint framebuffer); +GLAPI PFNGLISFRAMEBUFFERPROC glad_glIsFramebuffer; + #define glIsFramebuffer glad_glIsFramebuffer +typedef void(APIENTRYP PFNGLBINDFRAMEBUFFERPROC)(GLenum target, GLuint framebuffer); +GLAPI PFNGLBINDFRAMEBUFFERPROC glad_glBindFramebuffer; + #define glBindFramebuffer glad_glBindFramebuffer +typedef void(APIENTRYP PFNGLDELETEFRAMEBUFFERSPROC)(GLsizei n, const GLuint *framebuffers); +GLAPI PFNGLDELETEFRAMEBUFFERSPROC glad_glDeleteFramebuffers; + #define glDeleteFramebuffers glad_glDeleteFramebuffers +typedef void(APIENTRYP PFNGLGENFRAMEBUFFERSPROC)(GLsizei n, GLuint *framebuffers); +GLAPI PFNGLGENFRAMEBUFFERSPROC glad_glGenFramebuffers; + #define glGenFramebuffers glad_glGenFramebuffers +typedef GLenum(APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC)(GLenum target); +GLAPI PFNGLCHECKFRAMEBUFFERSTATUSPROC glad_glCheckFramebufferStatus; + #define glCheckFramebufferStatus glad_glCheckFramebufferStatus +typedef void(APIENTRYP PFNGLFRAMEBUFFERTEXTURE1DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +GLAPI PFNGLFRAMEBUFFERTEXTURE1DPROC glad_glFramebufferTexture1D; + #define glFramebufferTexture1D glad_glFramebufferTexture1D +typedef void(APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +GLAPI PFNGLFRAMEBUFFERTEXTURE2DPROC glad_glFramebufferTexture2D; + #define glFramebufferTexture2D glad_glFramebufferTexture2D +typedef void(APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DPROC)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +GLAPI PFNGLFRAMEBUFFERTEXTURE3DPROC glad_glFramebufferTexture3D; + #define glFramebufferTexture3D glad_glFramebufferTexture3D +typedef void(APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +GLAPI PFNGLFRAMEBUFFERRENDERBUFFERPROC glad_glFramebufferRenderbuffer; + #define glFramebufferRenderbuffer glad_glFramebufferRenderbuffer +typedef void(APIENTRYP PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC)(GLenum target, GLenum attachment, GLenum pname, GLint *params); +GLAPI PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetFramebufferAttachmentParameteriv; + #define glGetFramebufferAttachmentParameteriv glad_glGetFramebufferAttachmentParameteriv +typedef void(APIENTRYP PFNGLGENERATEMIPMAPPROC)(GLenum target); +GLAPI PFNGLGENERATEMIPMAPPROC glad_glGenerateMipmap; + #define glGenerateMipmap glad_glGenerateMipmap +typedef void(APIENTRYP PFNGLBLITFRAMEBUFFERPROC)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); +GLAPI PFNGLBLITFRAMEBUFFERPROC glad_glBlitFramebuffer; + #define glBlitFramebuffer glad_glBlitFramebuffer +typedef void(APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glRenderbufferStorageMultisample; + #define glRenderbufferStorageMultisample glad_glRenderbufferStorageMultisample +typedef void(APIENTRYP PFNGLFRAMEBUFFERTEXTURELAYERPROC)(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer); +GLAPI PFNGLFRAMEBUFFERTEXTURELAYERPROC glad_glFramebufferTextureLayer; + #define glFramebufferTextureLayer glad_glFramebufferTextureLayer +typedef void *(APIENTRYP PFNGLMAPBUFFERRANGEPROC)(GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access); +GLAPI PFNGLMAPBUFFERRANGEPROC glad_glMapBufferRange; + #define glMapBufferRange glad_glMapBufferRange +typedef void(APIENTRYP PFNGLFLUSHMAPPEDBUFFERRANGEPROC)(GLenum target, GLintptr offset, GLsizeiptr length); +GLAPI PFNGLFLUSHMAPPEDBUFFERRANGEPROC glad_glFlushMappedBufferRange; + #define glFlushMappedBufferRange glad_glFlushMappedBufferRange +typedef void(APIENTRYP PFNGLBINDVERTEXARRAYPROC)(GLuint array); +GLAPI PFNGLBINDVERTEXARRAYPROC glad_glBindVertexArray; + #define glBindVertexArray glad_glBindVertexArray +typedef void(APIENTRYP PFNGLDELETEVERTEXARRAYSPROC)(GLsizei n, const GLuint *arrays); +GLAPI PFNGLDELETEVERTEXARRAYSPROC glad_glDeleteVertexArrays; + #define glDeleteVertexArrays glad_glDeleteVertexArrays +typedef void(APIENTRYP PFNGLGENVERTEXARRAYSPROC)(GLsizei n, GLuint *arrays); +GLAPI PFNGLGENVERTEXARRAYSPROC glad_glGenVertexArrays; + #define glGenVertexArrays glad_glGenVertexArrays +typedef GLboolean(APIENTRYP PFNGLISVERTEXARRAYPROC)(GLuint array); +GLAPI PFNGLISVERTEXARRAYPROC glad_glIsVertexArray; + #define glIsVertexArray glad_glIsVertexArray +#endif +#ifndef GL_VERSION_3_1 + #define GL_VERSION_3_1 1 +GLAPI int GLAD_GL_VERSION_3_1; +typedef void(APIENTRYP PFNGLDRAWARRAYSINSTANCEDPROC)(GLenum mode, GLint first, GLsizei count, GLsizei instancecount); +GLAPI PFNGLDRAWARRAYSINSTANCEDPROC glad_glDrawArraysInstanced; + #define glDrawArraysInstanced glad_glDrawArraysInstanced +typedef void(APIENTRYP PFNGLDRAWELEMENTSINSTANCEDPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount); +GLAPI PFNGLDRAWELEMENTSINSTANCEDPROC glad_glDrawElementsInstanced; + #define glDrawElementsInstanced glad_glDrawElementsInstanced +typedef void(APIENTRYP PFNGLTEXBUFFERPROC)(GLenum target, GLenum internalformat, GLuint buffer); +GLAPI PFNGLTEXBUFFERPROC glad_glTexBuffer; + #define glTexBuffer glad_glTexBuffer +typedef void(APIENTRYP PFNGLPRIMITIVERESTARTINDEXPROC)(GLuint index); +GLAPI PFNGLPRIMITIVERESTARTINDEXPROC glad_glPrimitiveRestartIndex; + #define glPrimitiveRestartIndex glad_glPrimitiveRestartIndex +typedef void(APIENTRYP PFNGLCOPYBUFFERSUBDATAPROC)(GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); +GLAPI PFNGLCOPYBUFFERSUBDATAPROC glad_glCopyBufferSubData; + #define glCopyBufferSubData glad_glCopyBufferSubData +typedef void(APIENTRYP PFNGLGETUNIFORMINDICESPROC)(GLuint program, GLsizei uniformCount, const GLchar *const *uniformNames, GLuint *uniformIndices); +GLAPI PFNGLGETUNIFORMINDICESPROC glad_glGetUniformIndices; + #define glGetUniformIndices glad_glGetUniformIndices +typedef void(APIENTRYP PFNGLGETACTIVEUNIFORMSIVPROC)(GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params); +GLAPI PFNGLGETACTIVEUNIFORMSIVPROC glad_glGetActiveUniformsiv; + #define glGetActiveUniformsiv glad_glGetActiveUniformsiv +typedef void(APIENTRYP PFNGLGETACTIVEUNIFORMNAMEPROC)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformName); +GLAPI PFNGLGETACTIVEUNIFORMNAMEPROC glad_glGetActiveUniformName; + #define glGetActiveUniformName glad_glGetActiveUniformName +typedef GLuint(APIENTRYP PFNGLGETUNIFORMBLOCKINDEXPROC)(GLuint program, const GLchar *uniformBlockName); +GLAPI PFNGLGETUNIFORMBLOCKINDEXPROC glad_glGetUniformBlockIndex; + #define glGetUniformBlockIndex glad_glGetUniformBlockIndex +typedef void(APIENTRYP PFNGLGETACTIVEUNIFORMBLOCKIVPROC)(GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params); +GLAPI PFNGLGETACTIVEUNIFORMBLOCKIVPROC glad_glGetActiveUniformBlockiv; + #define glGetActiveUniformBlockiv glad_glGetActiveUniformBlockiv +typedef void(APIENTRYP PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName); +GLAPI PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC glad_glGetActiveUniformBlockName; + #define glGetActiveUniformBlockName glad_glGetActiveUniformBlockName +typedef void(APIENTRYP PFNGLUNIFORMBLOCKBINDINGPROC)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding); +GLAPI PFNGLUNIFORMBLOCKBINDINGPROC glad_glUniformBlockBinding; + #define glUniformBlockBinding glad_glUniformBlockBinding +#endif +#ifndef GL_VERSION_3_2 + #define GL_VERSION_3_2 1 +GLAPI int GLAD_GL_VERSION_3_2; +typedef void(APIENTRYP PFNGLDRAWELEMENTSBASEVERTEXPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex); +GLAPI PFNGLDRAWELEMENTSBASEVERTEXPROC glad_glDrawElementsBaseVertex; + #define glDrawElementsBaseVertex glad_glDrawElementsBaseVertex +typedef void(APIENTRYP PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const void *indices, GLint basevertex); +GLAPI PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC glad_glDrawRangeElementsBaseVertex; + #define glDrawRangeElementsBaseVertex glad_glDrawRangeElementsBaseVertex +typedef void(APIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLint basevertex); +GLAPI PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC glad_glDrawElementsInstancedBaseVertex; + #define glDrawElementsInstancedBaseVertex glad_glDrawElementsInstancedBaseVertex +typedef void(APIENTRYP PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC)(GLenum mode, const GLsizei *count, GLenum type, const void *const *indices, GLsizei drawcount, const GLint *basevertex); +GLAPI PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC glad_glMultiDrawElementsBaseVertex; + #define glMultiDrawElementsBaseVertex glad_glMultiDrawElementsBaseVertex +typedef void(APIENTRYP PFNGLPROVOKINGVERTEXPROC)(GLenum mode); +GLAPI PFNGLPROVOKINGVERTEXPROC glad_glProvokingVertex; + #define glProvokingVertex glad_glProvokingVertex +typedef GLsync(APIENTRYP PFNGLFENCESYNCPROC)(GLenum condition, GLbitfield flags); +GLAPI PFNGLFENCESYNCPROC glad_glFenceSync; + #define glFenceSync glad_glFenceSync +typedef GLboolean(APIENTRYP PFNGLISSYNCPROC)(GLsync sync); +GLAPI PFNGLISSYNCPROC glad_glIsSync; + #define glIsSync glad_glIsSync +typedef void(APIENTRYP PFNGLDELETESYNCPROC)(GLsync sync); +GLAPI PFNGLDELETESYNCPROC glad_glDeleteSync; + #define glDeleteSync glad_glDeleteSync +typedef GLenum(APIENTRYP PFNGLCLIENTWAITSYNCPROC)(GLsync sync, GLbitfield flags, GLuint64 timeout); +GLAPI PFNGLCLIENTWAITSYNCPROC glad_glClientWaitSync; + #define glClientWaitSync glad_glClientWaitSync +typedef void(APIENTRYP PFNGLWAITSYNCPROC)(GLsync sync, GLbitfield flags, GLuint64 timeout); +GLAPI PFNGLWAITSYNCPROC glad_glWaitSync; + #define glWaitSync glad_glWaitSync +typedef void(APIENTRYP PFNGLGETINTEGER64VPROC)(GLenum pname, GLint64 *data); +GLAPI PFNGLGETINTEGER64VPROC glad_glGetInteger64v; + #define glGetInteger64v glad_glGetInteger64v +typedef void(APIENTRYP PFNGLGETSYNCIVPROC)(GLsync sync, GLenum pname, GLsizei count, GLsizei *length, GLint *values); +GLAPI PFNGLGETSYNCIVPROC glad_glGetSynciv; + #define glGetSynciv glad_glGetSynciv +typedef void(APIENTRYP PFNGLGETINTEGER64I_VPROC)(GLenum target, GLuint index, GLint64 *data); +GLAPI PFNGLGETINTEGER64I_VPROC glad_glGetInteger64i_v; + #define glGetInteger64i_v glad_glGetInteger64i_v +typedef void(APIENTRYP PFNGLGETBUFFERPARAMETERI64VPROC)(GLenum target, GLenum pname, GLint64 *params); +GLAPI PFNGLGETBUFFERPARAMETERI64VPROC glad_glGetBufferParameteri64v; + #define glGetBufferParameteri64v glad_glGetBufferParameteri64v +typedef void(APIENTRYP PFNGLFRAMEBUFFERTEXTUREPROC)(GLenum target, GLenum attachment, GLuint texture, GLint level); +GLAPI PFNGLFRAMEBUFFERTEXTUREPROC glad_glFramebufferTexture; + #define glFramebufferTexture glad_glFramebufferTexture +typedef void(APIENTRYP PFNGLTEXIMAGE2DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +GLAPI PFNGLTEXIMAGE2DMULTISAMPLEPROC glad_glTexImage2DMultisample; + #define glTexImage2DMultisample glad_glTexImage2DMultisample +typedef void(APIENTRYP PFNGLTEXIMAGE3DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +GLAPI PFNGLTEXIMAGE3DMULTISAMPLEPROC glad_glTexImage3DMultisample; + #define glTexImage3DMultisample glad_glTexImage3DMultisample +typedef void(APIENTRYP PFNGLGETMULTISAMPLEFVPROC)(GLenum pname, GLuint index, GLfloat *val); +GLAPI PFNGLGETMULTISAMPLEFVPROC glad_glGetMultisamplefv; + #define glGetMultisamplefv glad_glGetMultisamplefv +typedef void(APIENTRYP PFNGLSAMPLEMASKIPROC)(GLuint maskNumber, GLbitfield mask); +GLAPI PFNGLSAMPLEMASKIPROC glad_glSampleMaski; + #define glSampleMaski glad_glSampleMaski +#endif +#ifndef GL_VERSION_3_3 + #define GL_VERSION_3_3 1 +GLAPI int GLAD_GL_VERSION_3_3; +typedef void(APIENTRYP PFNGLBINDFRAGDATALOCATIONINDEXEDPROC)(GLuint program, GLuint colorNumber, GLuint index, const GLchar *name); +GLAPI PFNGLBINDFRAGDATALOCATIONINDEXEDPROC glad_glBindFragDataLocationIndexed; + #define glBindFragDataLocationIndexed glad_glBindFragDataLocationIndexed +typedef GLint(APIENTRYP PFNGLGETFRAGDATAINDEXPROC)(GLuint program, const GLchar *name); +GLAPI PFNGLGETFRAGDATAINDEXPROC glad_glGetFragDataIndex; + #define glGetFragDataIndex glad_glGetFragDataIndex +typedef void(APIENTRYP PFNGLGENSAMPLERSPROC)(GLsizei count, GLuint *samplers); +GLAPI PFNGLGENSAMPLERSPROC glad_glGenSamplers; + #define glGenSamplers glad_glGenSamplers +typedef void(APIENTRYP PFNGLDELETESAMPLERSPROC)(GLsizei count, const GLuint *samplers); +GLAPI PFNGLDELETESAMPLERSPROC glad_glDeleteSamplers; + #define glDeleteSamplers glad_glDeleteSamplers +typedef GLboolean(APIENTRYP PFNGLISSAMPLERPROC)(GLuint sampler); +GLAPI PFNGLISSAMPLERPROC glad_glIsSampler; + #define glIsSampler glad_glIsSampler +typedef void(APIENTRYP PFNGLBINDSAMPLERPROC)(GLuint unit, GLuint sampler); +GLAPI PFNGLBINDSAMPLERPROC glad_glBindSampler; + #define glBindSampler glad_glBindSampler +typedef void(APIENTRYP PFNGLSAMPLERPARAMETERIPROC)(GLuint sampler, GLenum pname, GLint param); +GLAPI PFNGLSAMPLERPARAMETERIPROC glad_glSamplerParameteri; + #define glSamplerParameteri glad_glSamplerParameteri +typedef void(APIENTRYP PFNGLSAMPLERPARAMETERIVPROC)(GLuint sampler, GLenum pname, const GLint *param); +GLAPI PFNGLSAMPLERPARAMETERIVPROC glad_glSamplerParameteriv; + #define glSamplerParameteriv glad_glSamplerParameteriv +typedef void(APIENTRYP PFNGLSAMPLERPARAMETERFPROC)(GLuint sampler, GLenum pname, GLfloat param); +GLAPI PFNGLSAMPLERPARAMETERFPROC glad_glSamplerParameterf; + #define glSamplerParameterf glad_glSamplerParameterf +typedef void(APIENTRYP PFNGLSAMPLERPARAMETERFVPROC)(GLuint sampler, GLenum pname, const GLfloat *param); +GLAPI PFNGLSAMPLERPARAMETERFVPROC glad_glSamplerParameterfv; + #define glSamplerParameterfv glad_glSamplerParameterfv +typedef void(APIENTRYP PFNGLSAMPLERPARAMETERIIVPROC)(GLuint sampler, GLenum pname, const GLint *param); +GLAPI PFNGLSAMPLERPARAMETERIIVPROC glad_glSamplerParameterIiv; + #define glSamplerParameterIiv glad_glSamplerParameterIiv +typedef void(APIENTRYP PFNGLSAMPLERPARAMETERIUIVPROC)(GLuint sampler, GLenum pname, const GLuint *param); +GLAPI PFNGLSAMPLERPARAMETERIUIVPROC glad_glSamplerParameterIuiv; + #define glSamplerParameterIuiv glad_glSamplerParameterIuiv +typedef void(APIENTRYP PFNGLGETSAMPLERPARAMETERIVPROC)(GLuint sampler, GLenum pname, GLint *params); +GLAPI PFNGLGETSAMPLERPARAMETERIVPROC glad_glGetSamplerParameteriv; + #define glGetSamplerParameteriv glad_glGetSamplerParameteriv +typedef void(APIENTRYP PFNGLGETSAMPLERPARAMETERIIVPROC)(GLuint sampler, GLenum pname, GLint *params); +GLAPI PFNGLGETSAMPLERPARAMETERIIVPROC glad_glGetSamplerParameterIiv; + #define glGetSamplerParameterIiv glad_glGetSamplerParameterIiv +typedef void(APIENTRYP PFNGLGETSAMPLERPARAMETERFVPROC)(GLuint sampler, GLenum pname, GLfloat *params); +GLAPI PFNGLGETSAMPLERPARAMETERFVPROC glad_glGetSamplerParameterfv; + #define glGetSamplerParameterfv glad_glGetSamplerParameterfv +typedef void(APIENTRYP PFNGLGETSAMPLERPARAMETERIUIVPROC)(GLuint sampler, GLenum pname, GLuint *params); +GLAPI PFNGLGETSAMPLERPARAMETERIUIVPROC glad_glGetSamplerParameterIuiv; + #define glGetSamplerParameterIuiv glad_glGetSamplerParameterIuiv +typedef void(APIENTRYP PFNGLQUERYCOUNTERPROC)(GLuint id, GLenum target); +GLAPI PFNGLQUERYCOUNTERPROC glad_glQueryCounter; + #define glQueryCounter glad_glQueryCounter +typedef void(APIENTRYP PFNGLGETQUERYOBJECTI64VPROC)(GLuint id, GLenum pname, GLint64 *params); +GLAPI PFNGLGETQUERYOBJECTI64VPROC glad_glGetQueryObjecti64v; + #define glGetQueryObjecti64v glad_glGetQueryObjecti64v +typedef void(APIENTRYP PFNGLGETQUERYOBJECTUI64VPROC)(GLuint id, GLenum pname, GLuint64 *params); +GLAPI PFNGLGETQUERYOBJECTUI64VPROC glad_glGetQueryObjectui64v; + #define glGetQueryObjectui64v glad_glGetQueryObjectui64v +typedef void(APIENTRYP PFNGLVERTEXATTRIBDIVISORPROC)(GLuint index, GLuint divisor); +GLAPI PFNGLVERTEXATTRIBDIVISORPROC glad_glVertexAttribDivisor; + #define glVertexAttribDivisor glad_glVertexAttribDivisor +typedef void(APIENTRYP PFNGLVERTEXATTRIBP1UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI PFNGLVERTEXATTRIBP1UIPROC glad_glVertexAttribP1ui; + #define glVertexAttribP1ui glad_glVertexAttribP1ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBP1UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI PFNGLVERTEXATTRIBP1UIVPROC glad_glVertexAttribP1uiv; + #define glVertexAttribP1uiv glad_glVertexAttribP1uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBP2UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI PFNGLVERTEXATTRIBP2UIPROC glad_glVertexAttribP2ui; + #define glVertexAttribP2ui glad_glVertexAttribP2ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBP2UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI PFNGLVERTEXATTRIBP2UIVPROC glad_glVertexAttribP2uiv; + #define glVertexAttribP2uiv glad_glVertexAttribP2uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBP3UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI PFNGLVERTEXATTRIBP3UIPROC glad_glVertexAttribP3ui; + #define glVertexAttribP3ui glad_glVertexAttribP3ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBP3UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI PFNGLVERTEXATTRIBP3UIVPROC glad_glVertexAttribP3uiv; + #define glVertexAttribP3uiv glad_glVertexAttribP3uiv +typedef void(APIENTRYP PFNGLVERTEXATTRIBP4UIPROC)(GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI PFNGLVERTEXATTRIBP4UIPROC glad_glVertexAttribP4ui; + #define glVertexAttribP4ui glad_glVertexAttribP4ui +typedef void(APIENTRYP PFNGLVERTEXATTRIBP4UIVPROC)(GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI PFNGLVERTEXATTRIBP4UIVPROC glad_glVertexAttribP4uiv; + #define glVertexAttribP4uiv glad_glVertexAttribP4uiv +typedef void(APIENTRYP PFNGLVERTEXP2UIPROC)(GLenum type, GLuint value); +GLAPI PFNGLVERTEXP2UIPROC glad_glVertexP2ui; + #define glVertexP2ui glad_glVertexP2ui +typedef void(APIENTRYP PFNGLVERTEXP2UIVPROC)(GLenum type, const GLuint *value); +GLAPI PFNGLVERTEXP2UIVPROC glad_glVertexP2uiv; + #define glVertexP2uiv glad_glVertexP2uiv +typedef void(APIENTRYP PFNGLVERTEXP3UIPROC)(GLenum type, GLuint value); +GLAPI PFNGLVERTEXP3UIPROC glad_glVertexP3ui; + #define glVertexP3ui glad_glVertexP3ui +typedef void(APIENTRYP PFNGLVERTEXP3UIVPROC)(GLenum type, const GLuint *value); +GLAPI PFNGLVERTEXP3UIVPROC glad_glVertexP3uiv; + #define glVertexP3uiv glad_glVertexP3uiv +typedef void(APIENTRYP PFNGLVERTEXP4UIPROC)(GLenum type, GLuint value); +GLAPI PFNGLVERTEXP4UIPROC glad_glVertexP4ui; + #define glVertexP4ui glad_glVertexP4ui +typedef void(APIENTRYP PFNGLVERTEXP4UIVPROC)(GLenum type, const GLuint *value); +GLAPI PFNGLVERTEXP4UIVPROC glad_glVertexP4uiv; + #define glVertexP4uiv glad_glVertexP4uiv +typedef void(APIENTRYP PFNGLTEXCOORDP1UIPROC)(GLenum type, GLuint coords); +GLAPI PFNGLTEXCOORDP1UIPROC glad_glTexCoordP1ui; + #define glTexCoordP1ui glad_glTexCoordP1ui +typedef void(APIENTRYP PFNGLTEXCOORDP1UIVPROC)(GLenum type, const GLuint *coords); +GLAPI PFNGLTEXCOORDP1UIVPROC glad_glTexCoordP1uiv; + #define glTexCoordP1uiv glad_glTexCoordP1uiv +typedef void(APIENTRYP PFNGLTEXCOORDP2UIPROC)(GLenum type, GLuint coords); +GLAPI PFNGLTEXCOORDP2UIPROC glad_glTexCoordP2ui; + #define glTexCoordP2ui glad_glTexCoordP2ui +typedef void(APIENTRYP PFNGLTEXCOORDP2UIVPROC)(GLenum type, const GLuint *coords); +GLAPI PFNGLTEXCOORDP2UIVPROC glad_glTexCoordP2uiv; + #define glTexCoordP2uiv glad_glTexCoordP2uiv +typedef void(APIENTRYP PFNGLTEXCOORDP3UIPROC)(GLenum type, GLuint coords); +GLAPI PFNGLTEXCOORDP3UIPROC glad_glTexCoordP3ui; + #define glTexCoordP3ui glad_glTexCoordP3ui +typedef void(APIENTRYP PFNGLTEXCOORDP3UIVPROC)(GLenum type, const GLuint *coords); +GLAPI PFNGLTEXCOORDP3UIVPROC glad_glTexCoordP3uiv; + #define glTexCoordP3uiv glad_glTexCoordP3uiv +typedef void(APIENTRYP PFNGLTEXCOORDP4UIPROC)(GLenum type, GLuint coords); +GLAPI PFNGLTEXCOORDP4UIPROC glad_glTexCoordP4ui; + #define glTexCoordP4ui glad_glTexCoordP4ui +typedef void(APIENTRYP PFNGLTEXCOORDP4UIVPROC)(GLenum type, const GLuint *coords); +GLAPI PFNGLTEXCOORDP4UIVPROC glad_glTexCoordP4uiv; + #define glTexCoordP4uiv glad_glTexCoordP4uiv +typedef void(APIENTRYP PFNGLMULTITEXCOORDP1UIPROC)(GLenum texture, GLenum type, GLuint coords); +GLAPI PFNGLMULTITEXCOORDP1UIPROC glad_glMultiTexCoordP1ui; + #define glMultiTexCoordP1ui glad_glMultiTexCoordP1ui +typedef void(APIENTRYP PFNGLMULTITEXCOORDP1UIVPROC)(GLenum texture, GLenum type, const GLuint *coords); +GLAPI PFNGLMULTITEXCOORDP1UIVPROC glad_glMultiTexCoordP1uiv; + #define glMultiTexCoordP1uiv glad_glMultiTexCoordP1uiv +typedef void(APIENTRYP PFNGLMULTITEXCOORDP2UIPROC)(GLenum texture, GLenum type, GLuint coords); +GLAPI PFNGLMULTITEXCOORDP2UIPROC glad_glMultiTexCoordP2ui; + #define glMultiTexCoordP2ui glad_glMultiTexCoordP2ui +typedef void(APIENTRYP PFNGLMULTITEXCOORDP2UIVPROC)(GLenum texture, GLenum type, const GLuint *coords); +GLAPI PFNGLMULTITEXCOORDP2UIVPROC glad_glMultiTexCoordP2uiv; + #define glMultiTexCoordP2uiv glad_glMultiTexCoordP2uiv +typedef void(APIENTRYP PFNGLMULTITEXCOORDP3UIPROC)(GLenum texture, GLenum type, GLuint coords); +GLAPI PFNGLMULTITEXCOORDP3UIPROC glad_glMultiTexCoordP3ui; + #define glMultiTexCoordP3ui glad_glMultiTexCoordP3ui +typedef void(APIENTRYP PFNGLMULTITEXCOORDP3UIVPROC)(GLenum texture, GLenum type, const GLuint *coords); +GLAPI PFNGLMULTITEXCOORDP3UIVPROC glad_glMultiTexCoordP3uiv; + #define glMultiTexCoordP3uiv glad_glMultiTexCoordP3uiv +typedef void(APIENTRYP PFNGLMULTITEXCOORDP4UIPROC)(GLenum texture, GLenum type, GLuint coords); +GLAPI PFNGLMULTITEXCOORDP4UIPROC glad_glMultiTexCoordP4ui; + #define glMultiTexCoordP4ui glad_glMultiTexCoordP4ui +typedef void(APIENTRYP PFNGLMULTITEXCOORDP4UIVPROC)(GLenum texture, GLenum type, const GLuint *coords); +GLAPI PFNGLMULTITEXCOORDP4UIVPROC glad_glMultiTexCoordP4uiv; + #define glMultiTexCoordP4uiv glad_glMultiTexCoordP4uiv +typedef void(APIENTRYP PFNGLNORMALP3UIPROC)(GLenum type, GLuint coords); +GLAPI PFNGLNORMALP3UIPROC glad_glNormalP3ui; + #define glNormalP3ui glad_glNormalP3ui +typedef void(APIENTRYP PFNGLNORMALP3UIVPROC)(GLenum type, const GLuint *coords); +GLAPI PFNGLNORMALP3UIVPROC glad_glNormalP3uiv; + #define glNormalP3uiv glad_glNormalP3uiv +typedef void(APIENTRYP PFNGLCOLORP3UIPROC)(GLenum type, GLuint color); +GLAPI PFNGLCOLORP3UIPROC glad_glColorP3ui; + #define glColorP3ui glad_glColorP3ui +typedef void(APIENTRYP PFNGLCOLORP3UIVPROC)(GLenum type, const GLuint *color); +GLAPI PFNGLCOLORP3UIVPROC glad_glColorP3uiv; + #define glColorP3uiv glad_glColorP3uiv +typedef void(APIENTRYP PFNGLCOLORP4UIPROC)(GLenum type, GLuint color); +GLAPI PFNGLCOLORP4UIPROC glad_glColorP4ui; + #define glColorP4ui glad_glColorP4ui +typedef void(APIENTRYP PFNGLCOLORP4UIVPROC)(GLenum type, const GLuint *color); +GLAPI PFNGLCOLORP4UIVPROC glad_glColorP4uiv; + #define glColorP4uiv glad_glColorP4uiv +typedef void(APIENTRYP PFNGLSECONDARYCOLORP3UIPROC)(GLenum type, GLuint color); +GLAPI PFNGLSECONDARYCOLORP3UIPROC glad_glSecondaryColorP3ui; + #define glSecondaryColorP3ui glad_glSecondaryColorP3ui +typedef void(APIENTRYP PFNGLSECONDARYCOLORP3UIVPROC)(GLenum type, const GLuint *color); +GLAPI PFNGLSECONDARYCOLORP3UIVPROC glad_glSecondaryColorP3uiv; + #define glSecondaryColorP3uiv glad_glSecondaryColorP3uiv +#endif +#ifndef GL_VERSION_4_0 + #define GL_VERSION_4_0 1 +GLAPI int GLAD_GL_VERSION_4_0; +typedef void(APIENTRYP PFNGLMINSAMPLESHADINGPROC)(GLfloat value); +GLAPI PFNGLMINSAMPLESHADINGPROC glad_glMinSampleShading; + #define glMinSampleShading glad_glMinSampleShading +typedef void(APIENTRYP PFNGLBLENDEQUATIONIPROC)(GLuint buf, GLenum mode); +GLAPI PFNGLBLENDEQUATIONIPROC glad_glBlendEquationi; + #define glBlendEquationi glad_glBlendEquationi +typedef void(APIENTRYP PFNGLBLENDEQUATIONSEPARATEIPROC)(GLuint buf, GLenum modeRGB, GLenum modeAlpha); +GLAPI PFNGLBLENDEQUATIONSEPARATEIPROC glad_glBlendEquationSeparatei; + #define glBlendEquationSeparatei glad_glBlendEquationSeparatei +typedef void(APIENTRYP PFNGLBLENDFUNCIPROC)(GLuint buf, GLenum src, GLenum dst); +GLAPI PFNGLBLENDFUNCIPROC glad_glBlendFunci; + #define glBlendFunci glad_glBlendFunci +typedef void(APIENTRYP PFNGLBLENDFUNCSEPARATEIPROC)(GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); +GLAPI PFNGLBLENDFUNCSEPARATEIPROC glad_glBlendFuncSeparatei; + #define glBlendFuncSeparatei glad_glBlendFuncSeparatei +typedef void(APIENTRYP PFNGLDRAWARRAYSINDIRECTPROC)(GLenum mode, const void *indirect); +GLAPI PFNGLDRAWARRAYSINDIRECTPROC glad_glDrawArraysIndirect; + #define glDrawArraysIndirect glad_glDrawArraysIndirect +typedef void(APIENTRYP PFNGLDRAWELEMENTSINDIRECTPROC)(GLenum mode, GLenum type, const void *indirect); +GLAPI PFNGLDRAWELEMENTSINDIRECTPROC glad_glDrawElementsIndirect; + #define glDrawElementsIndirect glad_glDrawElementsIndirect +typedef void(APIENTRYP PFNGLUNIFORM1DPROC)(GLint location, GLdouble x); +GLAPI PFNGLUNIFORM1DPROC glad_glUniform1d; + #define glUniform1d glad_glUniform1d +typedef void(APIENTRYP PFNGLUNIFORM2DPROC)(GLint location, GLdouble x, GLdouble y); +GLAPI PFNGLUNIFORM2DPROC glad_glUniform2d; + #define glUniform2d glad_glUniform2d +typedef void(APIENTRYP PFNGLUNIFORM3DPROC)(GLint location, GLdouble x, GLdouble y, GLdouble z); +GLAPI PFNGLUNIFORM3DPROC glad_glUniform3d; + #define glUniform3d glad_glUniform3d +typedef void(APIENTRYP PFNGLUNIFORM4DPROC)(GLint location, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +GLAPI PFNGLUNIFORM4DPROC glad_glUniform4d; + #define glUniform4d glad_glUniform4d +typedef void(APIENTRYP PFNGLUNIFORM1DVPROC)(GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLUNIFORM1DVPROC glad_glUniform1dv; + #define glUniform1dv glad_glUniform1dv +typedef void(APIENTRYP PFNGLUNIFORM2DVPROC)(GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLUNIFORM2DVPROC glad_glUniform2dv; + #define glUniform2dv glad_glUniform2dv +typedef void(APIENTRYP PFNGLUNIFORM3DVPROC)(GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLUNIFORM3DVPROC glad_glUniform3dv; + #define glUniform3dv glad_glUniform3dv +typedef void(APIENTRYP PFNGLUNIFORM4DVPROC)(GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLUNIFORM4DVPROC glad_glUniform4dv; + #define glUniform4dv glad_glUniform4dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX2DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX2DVPROC glad_glUniformMatrix2dv; + #define glUniformMatrix2dv glad_glUniformMatrix2dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX3DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX3DVPROC glad_glUniformMatrix3dv; + #define glUniformMatrix3dv glad_glUniformMatrix3dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX4DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX4DVPROC glad_glUniformMatrix4dv; + #define glUniformMatrix4dv glad_glUniformMatrix4dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX2X3DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX2X3DVPROC glad_glUniformMatrix2x3dv; + #define glUniformMatrix2x3dv glad_glUniformMatrix2x3dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX2X4DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX2X4DVPROC glad_glUniformMatrix2x4dv; + #define glUniformMatrix2x4dv glad_glUniformMatrix2x4dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX3X2DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX3X2DVPROC glad_glUniformMatrix3x2dv; + #define glUniformMatrix3x2dv glad_glUniformMatrix3x2dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX3X4DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX3X4DVPROC glad_glUniformMatrix3x4dv; + #define glUniformMatrix3x4dv glad_glUniformMatrix3x4dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX4X2DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX4X2DVPROC glad_glUniformMatrix4x2dv; + #define glUniformMatrix4x2dv glad_glUniformMatrix4x2dv +typedef void(APIENTRYP PFNGLUNIFORMMATRIX4X3DVPROC)(GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLUNIFORMMATRIX4X3DVPROC glad_glUniformMatrix4x3dv; + #define glUniformMatrix4x3dv glad_glUniformMatrix4x3dv +typedef void(APIENTRYP PFNGLGETUNIFORMDVPROC)(GLuint program, GLint location, GLdouble *params); +GLAPI PFNGLGETUNIFORMDVPROC glad_glGetUniformdv; + #define glGetUniformdv glad_glGetUniformdv +typedef GLint(APIENTRYP PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC)(GLuint program, GLenum shadertype, const GLchar *name); +GLAPI PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC glad_glGetSubroutineUniformLocation; + #define glGetSubroutineUniformLocation glad_glGetSubroutineUniformLocation +typedef GLuint(APIENTRYP PFNGLGETSUBROUTINEINDEXPROC)(GLuint program, GLenum shadertype, const GLchar *name); +GLAPI PFNGLGETSUBROUTINEINDEXPROC glad_glGetSubroutineIndex; + #define glGetSubroutineIndex glad_glGetSubroutineIndex +typedef void(APIENTRYP PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC)(GLuint program, GLenum shadertype, GLuint index, GLenum pname, GLint *values); +GLAPI PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC glad_glGetActiveSubroutineUniformiv; + #define glGetActiveSubroutineUniformiv glad_glGetActiveSubroutineUniformiv +typedef void(APIENTRYP PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC)(GLuint program, GLenum shadertype, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name); +GLAPI PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC glad_glGetActiveSubroutineUniformName; + #define glGetActiveSubroutineUniformName glad_glGetActiveSubroutineUniformName +typedef void(APIENTRYP PFNGLGETACTIVESUBROUTINENAMEPROC)(GLuint program, GLenum shadertype, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name); +GLAPI PFNGLGETACTIVESUBROUTINENAMEPROC glad_glGetActiveSubroutineName; + #define glGetActiveSubroutineName glad_glGetActiveSubroutineName +typedef void(APIENTRYP PFNGLUNIFORMSUBROUTINESUIVPROC)(GLenum shadertype, GLsizei count, const GLuint *indices); +GLAPI PFNGLUNIFORMSUBROUTINESUIVPROC glad_glUniformSubroutinesuiv; + #define glUniformSubroutinesuiv glad_glUniformSubroutinesuiv +typedef void(APIENTRYP PFNGLGETUNIFORMSUBROUTINEUIVPROC)(GLenum shadertype, GLint location, GLuint *params); +GLAPI PFNGLGETUNIFORMSUBROUTINEUIVPROC glad_glGetUniformSubroutineuiv; + #define glGetUniformSubroutineuiv glad_glGetUniformSubroutineuiv +typedef void(APIENTRYP PFNGLGETPROGRAMSTAGEIVPROC)(GLuint program, GLenum shadertype, GLenum pname, GLint *values); +GLAPI PFNGLGETPROGRAMSTAGEIVPROC glad_glGetProgramStageiv; + #define glGetProgramStageiv glad_glGetProgramStageiv +typedef void(APIENTRYP PFNGLPATCHPARAMETERIPROC)(GLenum pname, GLint value); +GLAPI PFNGLPATCHPARAMETERIPROC glad_glPatchParameteri; + #define glPatchParameteri glad_glPatchParameteri +typedef void(APIENTRYP PFNGLPATCHPARAMETERFVPROC)(GLenum pname, const GLfloat *values); +GLAPI PFNGLPATCHPARAMETERFVPROC glad_glPatchParameterfv; + #define glPatchParameterfv glad_glPatchParameterfv +typedef void(APIENTRYP PFNGLBINDTRANSFORMFEEDBACKPROC)(GLenum target, GLuint id); +GLAPI PFNGLBINDTRANSFORMFEEDBACKPROC glad_glBindTransformFeedback; + #define glBindTransformFeedback glad_glBindTransformFeedback +typedef void(APIENTRYP PFNGLDELETETRANSFORMFEEDBACKSPROC)(GLsizei n, const GLuint *ids); +GLAPI PFNGLDELETETRANSFORMFEEDBACKSPROC glad_glDeleteTransformFeedbacks; + #define glDeleteTransformFeedbacks glad_glDeleteTransformFeedbacks +typedef void(APIENTRYP PFNGLGENTRANSFORMFEEDBACKSPROC)(GLsizei n, GLuint *ids); +GLAPI PFNGLGENTRANSFORMFEEDBACKSPROC glad_glGenTransformFeedbacks; + #define glGenTransformFeedbacks glad_glGenTransformFeedbacks +typedef GLboolean(APIENTRYP PFNGLISTRANSFORMFEEDBACKPROC)(GLuint id); +GLAPI PFNGLISTRANSFORMFEEDBACKPROC glad_glIsTransformFeedback; + #define glIsTransformFeedback glad_glIsTransformFeedback +typedef void(APIENTRYP PFNGLPAUSETRANSFORMFEEDBACKPROC)(void); +GLAPI PFNGLPAUSETRANSFORMFEEDBACKPROC glad_glPauseTransformFeedback; + #define glPauseTransformFeedback glad_glPauseTransformFeedback +typedef void(APIENTRYP PFNGLRESUMETRANSFORMFEEDBACKPROC)(void); +GLAPI PFNGLRESUMETRANSFORMFEEDBACKPROC glad_glResumeTransformFeedback; + #define glResumeTransformFeedback glad_glResumeTransformFeedback +typedef void(APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKPROC)(GLenum mode, GLuint id); +GLAPI PFNGLDRAWTRANSFORMFEEDBACKPROC glad_glDrawTransformFeedback; + #define glDrawTransformFeedback glad_glDrawTransformFeedback +typedef void(APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC)(GLenum mode, GLuint id, GLuint stream); +GLAPI PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC glad_glDrawTransformFeedbackStream; + #define glDrawTransformFeedbackStream glad_glDrawTransformFeedbackStream +typedef void(APIENTRYP PFNGLBEGINQUERYINDEXEDPROC)(GLenum target, GLuint index, GLuint id); +GLAPI PFNGLBEGINQUERYINDEXEDPROC glad_glBeginQueryIndexed; + #define glBeginQueryIndexed glad_glBeginQueryIndexed +typedef void(APIENTRYP PFNGLENDQUERYINDEXEDPROC)(GLenum target, GLuint index); +GLAPI PFNGLENDQUERYINDEXEDPROC glad_glEndQueryIndexed; + #define glEndQueryIndexed glad_glEndQueryIndexed +typedef void(APIENTRYP PFNGLGETQUERYINDEXEDIVPROC)(GLenum target, GLuint index, GLenum pname, GLint *params); +GLAPI PFNGLGETQUERYINDEXEDIVPROC glad_glGetQueryIndexediv; + #define glGetQueryIndexediv glad_glGetQueryIndexediv +#endif +#ifndef GL_VERSION_4_1 + #define GL_VERSION_4_1 1 +GLAPI int GLAD_GL_VERSION_4_1; +typedef void(APIENTRYP PFNGLRELEASESHADERCOMPILERPROC)(void); +GLAPI PFNGLRELEASESHADERCOMPILERPROC glad_glReleaseShaderCompiler; + #define glReleaseShaderCompiler glad_glReleaseShaderCompiler +typedef void(APIENTRYP PFNGLSHADERBINARYPROC)(GLsizei count, const GLuint *shaders, GLenum binaryFormat, const void *binary, GLsizei length); +GLAPI PFNGLSHADERBINARYPROC glad_glShaderBinary; + #define glShaderBinary glad_glShaderBinary +typedef void(APIENTRYP PFNGLGETSHADERPRECISIONFORMATPROC)(GLenum shadertype, GLenum precisiontype, GLint *range, GLint *precision); +GLAPI PFNGLGETSHADERPRECISIONFORMATPROC glad_glGetShaderPrecisionFormat; + #define glGetShaderPrecisionFormat glad_glGetShaderPrecisionFormat +typedef void(APIENTRYP PFNGLDEPTHRANGEFPROC)(GLfloat n, GLfloat f); +GLAPI PFNGLDEPTHRANGEFPROC glad_glDepthRangef; + #define glDepthRangef glad_glDepthRangef +typedef void(APIENTRYP PFNGLCLEARDEPTHFPROC)(GLfloat d); +GLAPI PFNGLCLEARDEPTHFPROC glad_glClearDepthf; + #define glClearDepthf glad_glClearDepthf +typedef void(APIENTRYP PFNGLGETPROGRAMBINARYPROC)(GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, void *binary); +GLAPI PFNGLGETPROGRAMBINARYPROC glad_glGetProgramBinary; + #define glGetProgramBinary glad_glGetProgramBinary +typedef void(APIENTRYP PFNGLPROGRAMBINARYPROC)(GLuint program, GLenum binaryFormat, const void *binary, GLsizei length); +GLAPI PFNGLPROGRAMBINARYPROC glad_glProgramBinary; + #define glProgramBinary glad_glProgramBinary +typedef void(APIENTRYP PFNGLPROGRAMPARAMETERIPROC)(GLuint program, GLenum pname, GLint value); +GLAPI PFNGLPROGRAMPARAMETERIPROC glad_glProgramParameteri; + #define glProgramParameteri glad_glProgramParameteri +typedef void(APIENTRYP PFNGLUSEPROGRAMSTAGESPROC)(GLuint pipeline, GLbitfield stages, GLuint program); +GLAPI PFNGLUSEPROGRAMSTAGESPROC glad_glUseProgramStages; + #define glUseProgramStages glad_glUseProgramStages +typedef void(APIENTRYP PFNGLACTIVESHADERPROGRAMPROC)(GLuint pipeline, GLuint program); +GLAPI PFNGLACTIVESHADERPROGRAMPROC glad_glActiveShaderProgram; + #define glActiveShaderProgram glad_glActiveShaderProgram +typedef GLuint(APIENTRYP PFNGLCREATESHADERPROGRAMVPROC)(GLenum type, GLsizei count, const GLchar *const *strings); +GLAPI PFNGLCREATESHADERPROGRAMVPROC glad_glCreateShaderProgramv; + #define glCreateShaderProgramv glad_glCreateShaderProgramv +typedef void(APIENTRYP PFNGLBINDPROGRAMPIPELINEPROC)(GLuint pipeline); +GLAPI PFNGLBINDPROGRAMPIPELINEPROC glad_glBindProgramPipeline; + #define glBindProgramPipeline glad_glBindProgramPipeline +typedef void(APIENTRYP PFNGLDELETEPROGRAMPIPELINESPROC)(GLsizei n, const GLuint *pipelines); +GLAPI PFNGLDELETEPROGRAMPIPELINESPROC glad_glDeleteProgramPipelines; + #define glDeleteProgramPipelines glad_glDeleteProgramPipelines +typedef void(APIENTRYP PFNGLGENPROGRAMPIPELINESPROC)(GLsizei n, GLuint *pipelines); +GLAPI PFNGLGENPROGRAMPIPELINESPROC glad_glGenProgramPipelines; + #define glGenProgramPipelines glad_glGenProgramPipelines +typedef GLboolean(APIENTRYP PFNGLISPROGRAMPIPELINEPROC)(GLuint pipeline); +GLAPI PFNGLISPROGRAMPIPELINEPROC glad_glIsProgramPipeline; + #define glIsProgramPipeline glad_glIsProgramPipeline +typedef void(APIENTRYP PFNGLGETPROGRAMPIPELINEIVPROC)(GLuint pipeline, GLenum pname, GLint *params); +GLAPI PFNGLGETPROGRAMPIPELINEIVPROC glad_glGetProgramPipelineiv; + #define glGetProgramPipelineiv glad_glGetProgramPipelineiv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1IPROC)(GLuint program, GLint location, GLint v0); +GLAPI PFNGLPROGRAMUNIFORM1IPROC glad_glProgramUniform1i; + #define glProgramUniform1i glad_glProgramUniform1i +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1IVPROC)(GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLPROGRAMUNIFORM1IVPROC glad_glProgramUniform1iv; + #define glProgramUniform1iv glad_glProgramUniform1iv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1FPROC)(GLuint program, GLint location, GLfloat v0); +GLAPI PFNGLPROGRAMUNIFORM1FPROC glad_glProgramUniform1f; + #define glProgramUniform1f glad_glProgramUniform1f +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORM1FVPROC glad_glProgramUniform1fv; + #define glProgramUniform1fv glad_glProgramUniform1fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1DPROC)(GLuint program, GLint location, GLdouble v0); +GLAPI PFNGLPROGRAMUNIFORM1DPROC glad_glProgramUniform1d; + #define glProgramUniform1d glad_glProgramUniform1d +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1DVPROC)(GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORM1DVPROC glad_glProgramUniform1dv; + #define glProgramUniform1dv glad_glProgramUniform1dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1UIPROC)(GLuint program, GLint location, GLuint v0); +GLAPI PFNGLPROGRAMUNIFORM1UIPROC glad_glProgramUniform1ui; + #define glProgramUniform1ui glad_glProgramUniform1ui +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM1UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLPROGRAMUNIFORM1UIVPROC glad_glProgramUniform1uiv; + #define glProgramUniform1uiv glad_glProgramUniform1uiv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2IPROC)(GLuint program, GLint location, GLint v0, GLint v1); +GLAPI PFNGLPROGRAMUNIFORM2IPROC glad_glProgramUniform2i; + #define glProgramUniform2i glad_glProgramUniform2i +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2IVPROC)(GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLPROGRAMUNIFORM2IVPROC glad_glProgramUniform2iv; + #define glProgramUniform2iv glad_glProgramUniform2iv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2FPROC)(GLuint program, GLint location, GLfloat v0, GLfloat v1); +GLAPI PFNGLPROGRAMUNIFORM2FPROC glad_glProgramUniform2f; + #define glProgramUniform2f glad_glProgramUniform2f +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORM2FVPROC glad_glProgramUniform2fv; + #define glProgramUniform2fv glad_glProgramUniform2fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2DPROC)(GLuint program, GLint location, GLdouble v0, GLdouble v1); +GLAPI PFNGLPROGRAMUNIFORM2DPROC glad_glProgramUniform2d; + #define glProgramUniform2d glad_glProgramUniform2d +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2DVPROC)(GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORM2DVPROC glad_glProgramUniform2dv; + #define glProgramUniform2dv glad_glProgramUniform2dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2UIPROC)(GLuint program, GLint location, GLuint v0, GLuint v1); +GLAPI PFNGLPROGRAMUNIFORM2UIPROC glad_glProgramUniform2ui; + #define glProgramUniform2ui glad_glProgramUniform2ui +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM2UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLPROGRAMUNIFORM2UIVPROC glad_glProgramUniform2uiv; + #define glProgramUniform2uiv glad_glProgramUniform2uiv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3IPROC)(GLuint program, GLint location, GLint v0, GLint v1, GLint v2); +GLAPI PFNGLPROGRAMUNIFORM3IPROC glad_glProgramUniform3i; + #define glProgramUniform3i glad_glProgramUniform3i +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3IVPROC)(GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLPROGRAMUNIFORM3IVPROC glad_glProgramUniform3iv; + #define glProgramUniform3iv glad_glProgramUniform3iv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3FPROC)(GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +GLAPI PFNGLPROGRAMUNIFORM3FPROC glad_glProgramUniform3f; + #define glProgramUniform3f glad_glProgramUniform3f +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORM3FVPROC glad_glProgramUniform3fv; + #define glProgramUniform3fv glad_glProgramUniform3fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3DPROC)(GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2); +GLAPI PFNGLPROGRAMUNIFORM3DPROC glad_glProgramUniform3d; + #define glProgramUniform3d glad_glProgramUniform3d +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3DVPROC)(GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORM3DVPROC glad_glProgramUniform3dv; + #define glProgramUniform3dv glad_glProgramUniform3dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3UIPROC)(GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2); +GLAPI PFNGLPROGRAMUNIFORM3UIPROC glad_glProgramUniform3ui; + #define glProgramUniform3ui glad_glProgramUniform3ui +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM3UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLPROGRAMUNIFORM3UIVPROC glad_glProgramUniform3uiv; + #define glProgramUniform3uiv glad_glProgramUniform3uiv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4IPROC)(GLuint program, GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +GLAPI PFNGLPROGRAMUNIFORM4IPROC glad_glProgramUniform4i; + #define glProgramUniform4i glad_glProgramUniform4i +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4IVPROC)(GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI PFNGLPROGRAMUNIFORM4IVPROC glad_glProgramUniform4iv; + #define glProgramUniform4iv glad_glProgramUniform4iv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4FPROC)(GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +GLAPI PFNGLPROGRAMUNIFORM4FPROC glad_glProgramUniform4f; + #define glProgramUniform4f glad_glProgramUniform4f +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4FVPROC)(GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORM4FVPROC glad_glProgramUniform4fv; + #define glProgramUniform4fv glad_glProgramUniform4fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4DPROC)(GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3); +GLAPI PFNGLPROGRAMUNIFORM4DPROC glad_glProgramUniform4d; + #define glProgramUniform4d glad_glProgramUniform4d +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4DVPROC)(GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORM4DVPROC glad_glProgramUniform4dv; + #define glProgramUniform4dv glad_glProgramUniform4dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4UIPROC)(GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); +GLAPI PFNGLPROGRAMUNIFORM4UIPROC glad_glProgramUniform4ui; + #define glProgramUniform4ui glad_glProgramUniform4ui +typedef void(APIENTRYP PFNGLPROGRAMUNIFORM4UIVPROC)(GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI PFNGLPROGRAMUNIFORM4UIVPROC glad_glProgramUniform4uiv; + #define glProgramUniform4uiv glad_glProgramUniform4uiv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX2FVPROC glad_glProgramUniformMatrix2fv; + #define glProgramUniformMatrix2fv glad_glProgramUniformMatrix2fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX3FVPROC glad_glProgramUniformMatrix3fv; + #define glProgramUniformMatrix3fv glad_glProgramUniformMatrix3fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX4FVPROC glad_glProgramUniformMatrix4fv; + #define glProgramUniformMatrix4fv glad_glProgramUniformMatrix4fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX2DVPROC glad_glProgramUniformMatrix2dv; + #define glProgramUniformMatrix2dv glad_glProgramUniformMatrix2dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX3DVPROC glad_glProgramUniformMatrix3dv; + #define glProgramUniformMatrix3dv glad_glProgramUniformMatrix3dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX4DVPROC glad_glProgramUniformMatrix4dv; + #define glProgramUniformMatrix4dv glad_glProgramUniformMatrix4dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC glad_glProgramUniformMatrix2x3fv; + #define glProgramUniformMatrix2x3fv glad_glProgramUniformMatrix2x3fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC glad_glProgramUniformMatrix3x2fv; + #define glProgramUniformMatrix3x2fv glad_glProgramUniformMatrix3x2fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC glad_glProgramUniformMatrix2x4fv; + #define glProgramUniformMatrix2x4fv glad_glProgramUniformMatrix2x4fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC glad_glProgramUniformMatrix4x2fv; + #define glProgramUniformMatrix4x2fv glad_glProgramUniformMatrix4x2fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC glad_glProgramUniformMatrix3x4fv; + #define glProgramUniformMatrix3x4fv glad_glProgramUniformMatrix3x4fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC glad_glProgramUniformMatrix4x3fv; + #define glProgramUniformMatrix4x3fv glad_glProgramUniformMatrix4x3fv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC glad_glProgramUniformMatrix2x3dv; + #define glProgramUniformMatrix2x3dv glad_glProgramUniformMatrix2x3dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC glad_glProgramUniformMatrix3x2dv; + #define glProgramUniformMatrix3x2dv glad_glProgramUniformMatrix3x2dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC glad_glProgramUniformMatrix2x4dv; + #define glProgramUniformMatrix2x4dv glad_glProgramUniformMatrix2x4dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC glad_glProgramUniformMatrix4x2dv; + #define glProgramUniformMatrix4x2dv glad_glProgramUniformMatrix4x2dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC glad_glProgramUniformMatrix3x4dv; + #define glProgramUniformMatrix3x4dv glad_glProgramUniformMatrix3x4dv +typedef void(APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC)(GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC glad_glProgramUniformMatrix4x3dv; + #define glProgramUniformMatrix4x3dv glad_glProgramUniformMatrix4x3dv +typedef void(APIENTRYP PFNGLVALIDATEPROGRAMPIPELINEPROC)(GLuint pipeline); +GLAPI PFNGLVALIDATEPROGRAMPIPELINEPROC glad_glValidateProgramPipeline; + #define glValidateProgramPipeline glad_glValidateProgramPipeline +typedef void(APIENTRYP PFNGLGETPROGRAMPIPELINEINFOLOGPROC)(GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +GLAPI PFNGLGETPROGRAMPIPELINEINFOLOGPROC glad_glGetProgramPipelineInfoLog; + #define glGetProgramPipelineInfoLog glad_glGetProgramPipelineInfoLog +typedef void(APIENTRYP PFNGLVERTEXATTRIBL1DPROC)(GLuint index, GLdouble x); +GLAPI PFNGLVERTEXATTRIBL1DPROC glad_glVertexAttribL1d; + #define glVertexAttribL1d glad_glVertexAttribL1d +typedef void(APIENTRYP PFNGLVERTEXATTRIBL2DPROC)(GLuint index, GLdouble x, GLdouble y); +GLAPI PFNGLVERTEXATTRIBL2DPROC glad_glVertexAttribL2d; + #define glVertexAttribL2d glad_glVertexAttribL2d +typedef void(APIENTRYP PFNGLVERTEXATTRIBL3DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z); +GLAPI PFNGLVERTEXATTRIBL3DPROC glad_glVertexAttribL3d; + #define glVertexAttribL3d glad_glVertexAttribL3d +typedef void(APIENTRYP PFNGLVERTEXATTRIBL4DPROC)(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +GLAPI PFNGLVERTEXATTRIBL4DPROC glad_glVertexAttribL4d; + #define glVertexAttribL4d glad_glVertexAttribL4d +typedef void(APIENTRYP PFNGLVERTEXATTRIBL1DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIBL1DVPROC glad_glVertexAttribL1dv; + #define glVertexAttribL1dv glad_glVertexAttribL1dv +typedef void(APIENTRYP PFNGLVERTEXATTRIBL2DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIBL2DVPROC glad_glVertexAttribL2dv; + #define glVertexAttribL2dv glad_glVertexAttribL2dv +typedef void(APIENTRYP PFNGLVERTEXATTRIBL3DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIBL3DVPROC glad_glVertexAttribL3dv; + #define glVertexAttribL3dv glad_glVertexAttribL3dv +typedef void(APIENTRYP PFNGLVERTEXATTRIBL4DVPROC)(GLuint index, const GLdouble *v); +GLAPI PFNGLVERTEXATTRIBL4DVPROC glad_glVertexAttribL4dv; + #define glVertexAttribL4dv glad_glVertexAttribL4dv +typedef void(APIENTRYP PFNGLVERTEXATTRIBLPOINTERPROC)(GLuint index, GLint size, GLenum type, GLsizei stride, const void *pointer); +GLAPI PFNGLVERTEXATTRIBLPOINTERPROC glad_glVertexAttribLPointer; + #define glVertexAttribLPointer glad_glVertexAttribLPointer +typedef void(APIENTRYP PFNGLGETVERTEXATTRIBLDVPROC)(GLuint index, GLenum pname, GLdouble *params); +GLAPI PFNGLGETVERTEXATTRIBLDVPROC glad_glGetVertexAttribLdv; + #define glGetVertexAttribLdv glad_glGetVertexAttribLdv +typedef void(APIENTRYP PFNGLVIEWPORTARRAYVPROC)(GLuint first, GLsizei count, const GLfloat *v); +GLAPI PFNGLVIEWPORTARRAYVPROC glad_glViewportArrayv; + #define glViewportArrayv glad_glViewportArrayv +typedef void(APIENTRYP PFNGLVIEWPORTINDEXEDFPROC)(GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h); +GLAPI PFNGLVIEWPORTINDEXEDFPROC glad_glViewportIndexedf; + #define glViewportIndexedf glad_glViewportIndexedf +typedef void(APIENTRYP PFNGLVIEWPORTINDEXEDFVPROC)(GLuint index, const GLfloat *v); +GLAPI PFNGLVIEWPORTINDEXEDFVPROC glad_glViewportIndexedfv; + #define glViewportIndexedfv glad_glViewportIndexedfv +typedef void(APIENTRYP PFNGLSCISSORARRAYVPROC)(GLuint first, GLsizei count, const GLint *v); +GLAPI PFNGLSCISSORARRAYVPROC glad_glScissorArrayv; + #define glScissorArrayv glad_glScissorArrayv +typedef void(APIENTRYP PFNGLSCISSORINDEXEDPROC)(GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height); +GLAPI PFNGLSCISSORINDEXEDPROC glad_glScissorIndexed; + #define glScissorIndexed glad_glScissorIndexed +typedef void(APIENTRYP PFNGLSCISSORINDEXEDVPROC)(GLuint index, const GLint *v); +GLAPI PFNGLSCISSORINDEXEDVPROC glad_glScissorIndexedv; + #define glScissorIndexedv glad_glScissorIndexedv +typedef void(APIENTRYP PFNGLDEPTHRANGEARRAYVPROC)(GLuint first, GLsizei count, const GLdouble *v); +GLAPI PFNGLDEPTHRANGEARRAYVPROC glad_glDepthRangeArrayv; + #define glDepthRangeArrayv glad_glDepthRangeArrayv +typedef void(APIENTRYP PFNGLDEPTHRANGEINDEXEDPROC)(GLuint index, GLdouble n, GLdouble f); +GLAPI PFNGLDEPTHRANGEINDEXEDPROC glad_glDepthRangeIndexed; + #define glDepthRangeIndexed glad_glDepthRangeIndexed +typedef void(APIENTRYP PFNGLGETFLOATI_VPROC)(GLenum target, GLuint index, GLfloat *data); +GLAPI PFNGLGETFLOATI_VPROC glad_glGetFloati_v; + #define glGetFloati_v glad_glGetFloati_v +typedef void(APIENTRYP PFNGLGETDOUBLEI_VPROC)(GLenum target, GLuint index, GLdouble *data); +GLAPI PFNGLGETDOUBLEI_VPROC glad_glGetDoublei_v; + #define glGetDoublei_v glad_glGetDoublei_v +#endif +#ifndef GL_VERSION_4_2 + #define GL_VERSION_4_2 1 +GLAPI int GLAD_GL_VERSION_4_2; +typedef void(APIENTRYP PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC)(GLenum mode, GLint first, GLsizei count, GLsizei instancecount, GLuint baseinstance); +GLAPI PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC glad_glDrawArraysInstancedBaseInstance; + #define glDrawArraysInstancedBaseInstance glad_glDrawArraysInstancedBaseInstance +typedef void(APIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLuint baseinstance); +GLAPI PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC glad_glDrawElementsInstancedBaseInstance; + #define glDrawElementsInstancedBaseInstance glad_glDrawElementsInstancedBaseInstance +typedef void(APIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLint basevertex, GLuint baseinstance); +GLAPI PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC glad_glDrawElementsInstancedBaseVertexBaseInstance; + #define glDrawElementsInstancedBaseVertexBaseInstance glad_glDrawElementsInstancedBaseVertexBaseInstance +typedef void(APIENTRYP PFNGLGETINTERNALFORMATIVPROC)(GLenum target, GLenum internalformat, GLenum pname, GLsizei count, GLint *params); +GLAPI PFNGLGETINTERNALFORMATIVPROC glad_glGetInternalformativ; + #define glGetInternalformativ glad_glGetInternalformativ +typedef void(APIENTRYP PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC)(GLuint program, GLuint bufferIndex, GLenum pname, GLint *params); +GLAPI PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC glad_glGetActiveAtomicCounterBufferiv; + #define glGetActiveAtomicCounterBufferiv glad_glGetActiveAtomicCounterBufferiv +typedef void(APIENTRYP PFNGLBINDIMAGETEXTUREPROC)(GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format); +GLAPI PFNGLBINDIMAGETEXTUREPROC glad_glBindImageTexture; + #define glBindImageTexture glad_glBindImageTexture +typedef void(APIENTRYP PFNGLMEMORYBARRIERPROC)(GLbitfield barriers); +GLAPI PFNGLMEMORYBARRIERPROC glad_glMemoryBarrier; + #define glMemoryBarrier glad_glMemoryBarrier +typedef void(APIENTRYP PFNGLTEXSTORAGE1DPROC)(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +GLAPI PFNGLTEXSTORAGE1DPROC glad_glTexStorage1D; + #define glTexStorage1D glad_glTexStorage1D +typedef void(APIENTRYP PFNGLTEXSTORAGE2DPROC)(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI PFNGLTEXSTORAGE2DPROC glad_glTexStorage2D; + #define glTexStorage2D glad_glTexStorage2D +typedef void(APIENTRYP PFNGLTEXSTORAGE3DPROC)(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +GLAPI PFNGLTEXSTORAGE3DPROC glad_glTexStorage3D; + #define glTexStorage3D glad_glTexStorage3D +typedef void(APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC)(GLenum mode, GLuint id, GLsizei instancecount); +GLAPI PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC glad_glDrawTransformFeedbackInstanced; + #define glDrawTransformFeedbackInstanced glad_glDrawTransformFeedbackInstanced +typedef void(APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC)(GLenum mode, GLuint id, GLuint stream, GLsizei instancecount); +GLAPI PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC glad_glDrawTransformFeedbackStreamInstanced; + #define glDrawTransformFeedbackStreamInstanced glad_glDrawTransformFeedbackStreamInstanced +#endif +#ifndef GL_VERSION_4_3 + #define GL_VERSION_4_3 1 +GLAPI int GLAD_GL_VERSION_4_3; +typedef void(APIENTRYP PFNGLCLEARBUFFERDATAPROC)(GLenum target, GLenum internalformat, GLenum format, GLenum type, const void *data); +GLAPI PFNGLCLEARBUFFERDATAPROC glad_glClearBufferData; + #define glClearBufferData glad_glClearBufferData +typedef void(APIENTRYP PFNGLCLEARBUFFERSUBDATAPROC)(GLenum target, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const void *data); +GLAPI PFNGLCLEARBUFFERSUBDATAPROC glad_glClearBufferSubData; + #define glClearBufferSubData glad_glClearBufferSubData +typedef void(APIENTRYP PFNGLDISPATCHCOMPUTEPROC)(GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z); +GLAPI PFNGLDISPATCHCOMPUTEPROC glad_glDispatchCompute; + #define glDispatchCompute glad_glDispatchCompute +typedef void(APIENTRYP PFNGLDISPATCHCOMPUTEINDIRECTPROC)(GLintptr indirect); +GLAPI PFNGLDISPATCHCOMPUTEINDIRECTPROC glad_glDispatchComputeIndirect; + #define glDispatchComputeIndirect glad_glDispatchComputeIndirect +typedef void(APIENTRYP PFNGLCOPYIMAGESUBDATAPROC)(GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth); +GLAPI PFNGLCOPYIMAGESUBDATAPROC glad_glCopyImageSubData; + #define glCopyImageSubData glad_glCopyImageSubData +typedef void(APIENTRYP PFNGLFRAMEBUFFERPARAMETERIPROC)(GLenum target, GLenum pname, GLint param); +GLAPI PFNGLFRAMEBUFFERPARAMETERIPROC glad_glFramebufferParameteri; + #define glFramebufferParameteri glad_glFramebufferParameteri +typedef void(APIENTRYP PFNGLGETFRAMEBUFFERPARAMETERIVPROC)(GLenum target, GLenum pname, GLint *params); +GLAPI PFNGLGETFRAMEBUFFERPARAMETERIVPROC glad_glGetFramebufferParameteriv; + #define glGetFramebufferParameteriv glad_glGetFramebufferParameteriv +typedef void(APIENTRYP PFNGLGETINTERNALFORMATI64VPROC)(GLenum target, GLenum internalformat, GLenum pname, GLsizei count, GLint64 *params); +GLAPI PFNGLGETINTERNALFORMATI64VPROC glad_glGetInternalformati64v; + #define glGetInternalformati64v glad_glGetInternalformati64v +typedef void(APIENTRYP PFNGLINVALIDATETEXSUBIMAGEPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth); +GLAPI PFNGLINVALIDATETEXSUBIMAGEPROC glad_glInvalidateTexSubImage; + #define glInvalidateTexSubImage glad_glInvalidateTexSubImage +typedef void(APIENTRYP PFNGLINVALIDATETEXIMAGEPROC)(GLuint texture, GLint level); +GLAPI PFNGLINVALIDATETEXIMAGEPROC glad_glInvalidateTexImage; + #define glInvalidateTexImage glad_glInvalidateTexImage +typedef void(APIENTRYP PFNGLINVALIDATEBUFFERSUBDATAPROC)(GLuint buffer, GLintptr offset, GLsizeiptr length); +GLAPI PFNGLINVALIDATEBUFFERSUBDATAPROC glad_glInvalidateBufferSubData; + #define glInvalidateBufferSubData glad_glInvalidateBufferSubData +typedef void(APIENTRYP PFNGLINVALIDATEBUFFERDATAPROC)(GLuint buffer); +GLAPI PFNGLINVALIDATEBUFFERDATAPROC glad_glInvalidateBufferData; + #define glInvalidateBufferData glad_glInvalidateBufferData +typedef void(APIENTRYP PFNGLINVALIDATEFRAMEBUFFERPROC)(GLenum target, GLsizei numAttachments, const GLenum *attachments); +GLAPI PFNGLINVALIDATEFRAMEBUFFERPROC glad_glInvalidateFramebuffer; + #define glInvalidateFramebuffer glad_glInvalidateFramebuffer +typedef void(APIENTRYP PFNGLINVALIDATESUBFRAMEBUFFERPROC)(GLenum target, GLsizei numAttachments, const GLenum *attachments, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLINVALIDATESUBFRAMEBUFFERPROC glad_glInvalidateSubFramebuffer; + #define glInvalidateSubFramebuffer glad_glInvalidateSubFramebuffer +typedef void(APIENTRYP PFNGLMULTIDRAWARRAYSINDIRECTPROC)(GLenum mode, const void *indirect, GLsizei drawcount, GLsizei stride); +GLAPI PFNGLMULTIDRAWARRAYSINDIRECTPROC glad_glMultiDrawArraysIndirect; + #define glMultiDrawArraysIndirect glad_glMultiDrawArraysIndirect +typedef void(APIENTRYP PFNGLMULTIDRAWELEMENTSINDIRECTPROC)(GLenum mode, GLenum type, const void *indirect, GLsizei drawcount, GLsizei stride); +GLAPI PFNGLMULTIDRAWELEMENTSINDIRECTPROC glad_glMultiDrawElementsIndirect; + #define glMultiDrawElementsIndirect glad_glMultiDrawElementsIndirect +typedef void(APIENTRYP PFNGLGETPROGRAMINTERFACEIVPROC)(GLuint program, GLenum programInterface, GLenum pname, GLint *params); +GLAPI PFNGLGETPROGRAMINTERFACEIVPROC glad_glGetProgramInterfaceiv; + #define glGetProgramInterfaceiv glad_glGetProgramInterfaceiv +typedef GLuint(APIENTRYP PFNGLGETPROGRAMRESOURCEINDEXPROC)(GLuint program, GLenum programInterface, const GLchar *name); +GLAPI PFNGLGETPROGRAMRESOURCEINDEXPROC glad_glGetProgramResourceIndex; + #define glGetProgramResourceIndex glad_glGetProgramResourceIndex +typedef void(APIENTRYP PFNGLGETPROGRAMRESOURCENAMEPROC)(GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name); +GLAPI PFNGLGETPROGRAMRESOURCENAMEPROC glad_glGetProgramResourceName; + #define glGetProgramResourceName glad_glGetProgramResourceName +typedef void(APIENTRYP PFNGLGETPROGRAMRESOURCEIVPROC)(GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum *props, GLsizei count, GLsizei *length, GLint *params); +GLAPI PFNGLGETPROGRAMRESOURCEIVPROC glad_glGetProgramResourceiv; + #define glGetProgramResourceiv glad_glGetProgramResourceiv +typedef GLint(APIENTRYP PFNGLGETPROGRAMRESOURCELOCATIONPROC)(GLuint program, GLenum programInterface, const GLchar *name); +GLAPI PFNGLGETPROGRAMRESOURCELOCATIONPROC glad_glGetProgramResourceLocation; + #define glGetProgramResourceLocation glad_glGetProgramResourceLocation +typedef GLint(APIENTRYP PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC)(GLuint program, GLenum programInterface, const GLchar *name); +GLAPI PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC glad_glGetProgramResourceLocationIndex; + #define glGetProgramResourceLocationIndex glad_glGetProgramResourceLocationIndex +typedef void(APIENTRYP PFNGLSHADERSTORAGEBLOCKBINDINGPROC)(GLuint program, GLuint storageBlockIndex, GLuint storageBlockBinding); +GLAPI PFNGLSHADERSTORAGEBLOCKBINDINGPROC glad_glShaderStorageBlockBinding; + #define glShaderStorageBlockBinding glad_glShaderStorageBlockBinding +typedef void(APIENTRYP PFNGLTEXBUFFERRANGEPROC)(GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size); +GLAPI PFNGLTEXBUFFERRANGEPROC glad_glTexBufferRange; + #define glTexBufferRange glad_glTexBufferRange +typedef void(APIENTRYP PFNGLTEXSTORAGE2DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +GLAPI PFNGLTEXSTORAGE2DMULTISAMPLEPROC glad_glTexStorage2DMultisample; + #define glTexStorage2DMultisample glad_glTexStorage2DMultisample +typedef void(APIENTRYP PFNGLTEXSTORAGE3DMULTISAMPLEPROC)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +GLAPI PFNGLTEXSTORAGE3DMULTISAMPLEPROC glad_glTexStorage3DMultisample; + #define glTexStorage3DMultisample glad_glTexStorage3DMultisample +typedef void(APIENTRYP PFNGLTEXTUREVIEWPROC)(GLuint texture, GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers); +GLAPI PFNGLTEXTUREVIEWPROC glad_glTextureView; + #define glTextureView glad_glTextureView +typedef void(APIENTRYP PFNGLBINDVERTEXBUFFERPROC)(GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride); +GLAPI PFNGLBINDVERTEXBUFFERPROC glad_glBindVertexBuffer; + #define glBindVertexBuffer glad_glBindVertexBuffer +typedef void(APIENTRYP PFNGLVERTEXATTRIBFORMATPROC)(GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset); +GLAPI PFNGLVERTEXATTRIBFORMATPROC glad_glVertexAttribFormat; + #define glVertexAttribFormat glad_glVertexAttribFormat +typedef void(APIENTRYP PFNGLVERTEXATTRIBIFORMATPROC)(GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI PFNGLVERTEXATTRIBIFORMATPROC glad_glVertexAttribIFormat; + #define glVertexAttribIFormat glad_glVertexAttribIFormat +typedef void(APIENTRYP PFNGLVERTEXATTRIBLFORMATPROC)(GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI PFNGLVERTEXATTRIBLFORMATPROC glad_glVertexAttribLFormat; + #define glVertexAttribLFormat glad_glVertexAttribLFormat +typedef void(APIENTRYP PFNGLVERTEXATTRIBBINDINGPROC)(GLuint attribindex, GLuint bindingindex); +GLAPI PFNGLVERTEXATTRIBBINDINGPROC glad_glVertexAttribBinding; + #define glVertexAttribBinding glad_glVertexAttribBinding +typedef void(APIENTRYP PFNGLVERTEXBINDINGDIVISORPROC)(GLuint bindingindex, GLuint divisor); +GLAPI PFNGLVERTEXBINDINGDIVISORPROC glad_glVertexBindingDivisor; + #define glVertexBindingDivisor glad_glVertexBindingDivisor +typedef void(APIENTRYP PFNGLDEBUGMESSAGECONTROLPROC)(GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled); +GLAPI PFNGLDEBUGMESSAGECONTROLPROC glad_glDebugMessageControl; + #define glDebugMessageControl glad_glDebugMessageControl +typedef void(APIENTRYP PFNGLDEBUGMESSAGEINSERTPROC)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf); +GLAPI PFNGLDEBUGMESSAGEINSERTPROC glad_glDebugMessageInsert; + #define glDebugMessageInsert glad_glDebugMessageInsert +typedef void(APIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC)(GLDEBUGPROC callback, const void *userParam); +GLAPI PFNGLDEBUGMESSAGECALLBACKPROC glad_glDebugMessageCallback; + #define glDebugMessageCallback glad_glDebugMessageCallback +typedef GLuint(APIENTRYP PFNGLGETDEBUGMESSAGELOGPROC)(GLuint count, GLsizei bufSize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog); +GLAPI PFNGLGETDEBUGMESSAGELOGPROC glad_glGetDebugMessageLog; + #define glGetDebugMessageLog glad_glGetDebugMessageLog +typedef void(APIENTRYP PFNGLPUSHDEBUGGROUPPROC)(GLenum source, GLuint id, GLsizei length, const GLchar *message); +GLAPI PFNGLPUSHDEBUGGROUPPROC glad_glPushDebugGroup; + #define glPushDebugGroup glad_glPushDebugGroup +typedef void(APIENTRYP PFNGLPOPDEBUGGROUPPROC)(void); +GLAPI PFNGLPOPDEBUGGROUPPROC glad_glPopDebugGroup; + #define glPopDebugGroup glad_glPopDebugGroup +typedef void(APIENTRYP PFNGLOBJECTLABELPROC)(GLenum identifier, GLuint name, GLsizei length, const GLchar *label); +GLAPI PFNGLOBJECTLABELPROC glad_glObjectLabel; + #define glObjectLabel glad_glObjectLabel +typedef void(APIENTRYP PFNGLGETOBJECTLABELPROC)(GLenum identifier, GLuint name, GLsizei bufSize, GLsizei *length, GLchar *label); +GLAPI PFNGLGETOBJECTLABELPROC glad_glGetObjectLabel; + #define glGetObjectLabel glad_glGetObjectLabel +typedef void(APIENTRYP PFNGLOBJECTPTRLABELPROC)(const void *ptr, GLsizei length, const GLchar *label); +GLAPI PFNGLOBJECTPTRLABELPROC glad_glObjectPtrLabel; + #define glObjectPtrLabel glad_glObjectPtrLabel +typedef void(APIENTRYP PFNGLGETOBJECTPTRLABELPROC)(const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label); +GLAPI PFNGLGETOBJECTPTRLABELPROC glad_glGetObjectPtrLabel; + #define glGetObjectPtrLabel glad_glGetObjectPtrLabel +typedef void(APIENTRYP PFNGLGETPOINTERVPROC)(GLenum pname, void **params); +GLAPI PFNGLGETPOINTERVPROC glad_glGetPointerv; + #define glGetPointerv glad_glGetPointerv +#endif +#ifndef GL_VERSION_4_4 + #define GL_VERSION_4_4 1 +GLAPI int GLAD_GL_VERSION_4_4; +typedef void(APIENTRYP PFNGLBUFFERSTORAGEPROC)(GLenum target, GLsizeiptr size, const void *data, GLbitfield flags); +GLAPI PFNGLBUFFERSTORAGEPROC glad_glBufferStorage; + #define glBufferStorage glad_glBufferStorage +typedef void(APIENTRYP PFNGLCLEARTEXIMAGEPROC)(GLuint texture, GLint level, GLenum format, GLenum type, const void *data); +GLAPI PFNGLCLEARTEXIMAGEPROC glad_glClearTexImage; + #define glClearTexImage glad_glClearTexImage +typedef void(APIENTRYP PFNGLCLEARTEXSUBIMAGEPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data); +GLAPI PFNGLCLEARTEXSUBIMAGEPROC glad_glClearTexSubImage; + #define glClearTexSubImage glad_glClearTexSubImage +typedef void(APIENTRYP PFNGLBINDBUFFERSBASEPROC)(GLenum target, GLuint first, GLsizei count, const GLuint *buffers); +GLAPI PFNGLBINDBUFFERSBASEPROC glad_glBindBuffersBase; + #define glBindBuffersBase glad_glBindBuffersBase +typedef void(APIENTRYP PFNGLBINDBUFFERSRANGEPROC)(GLenum target, GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizeiptr *sizes); +GLAPI PFNGLBINDBUFFERSRANGEPROC glad_glBindBuffersRange; + #define glBindBuffersRange glad_glBindBuffersRange +typedef void(APIENTRYP PFNGLBINDTEXTURESPROC)(GLuint first, GLsizei count, const GLuint *textures); +GLAPI PFNGLBINDTEXTURESPROC glad_glBindTextures; + #define glBindTextures glad_glBindTextures +typedef void(APIENTRYP PFNGLBINDSAMPLERSPROC)(GLuint first, GLsizei count, const GLuint *samplers); +GLAPI PFNGLBINDSAMPLERSPROC glad_glBindSamplers; + #define glBindSamplers glad_glBindSamplers +typedef void(APIENTRYP PFNGLBINDIMAGETEXTURESPROC)(GLuint first, GLsizei count, const GLuint *textures); +GLAPI PFNGLBINDIMAGETEXTURESPROC glad_glBindImageTextures; + #define glBindImageTextures glad_glBindImageTextures +typedef void(APIENTRYP PFNGLBINDVERTEXBUFFERSPROC)(GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizei *strides); +GLAPI PFNGLBINDVERTEXBUFFERSPROC glad_glBindVertexBuffers; + #define glBindVertexBuffers glad_glBindVertexBuffers +#endif +#ifndef GL_VERSION_4_5 + #define GL_VERSION_4_5 1 +GLAPI int GLAD_GL_VERSION_4_5; +typedef void(APIENTRYP PFNGLCLIPCONTROLPROC)(GLenum origin, GLenum depth); +GLAPI PFNGLCLIPCONTROLPROC glad_glClipControl; + #define glClipControl glad_glClipControl +typedef void(APIENTRYP PFNGLCREATETRANSFORMFEEDBACKSPROC)(GLsizei n, GLuint *ids); +GLAPI PFNGLCREATETRANSFORMFEEDBACKSPROC glad_glCreateTransformFeedbacks; + #define glCreateTransformFeedbacks glad_glCreateTransformFeedbacks +typedef void(APIENTRYP PFNGLTRANSFORMFEEDBACKBUFFERBASEPROC)(GLuint xfb, GLuint index, GLuint buffer); +GLAPI PFNGLTRANSFORMFEEDBACKBUFFERBASEPROC glad_glTransformFeedbackBufferBase; + #define glTransformFeedbackBufferBase glad_glTransformFeedbackBufferBase +typedef void(APIENTRYP PFNGLTRANSFORMFEEDBACKBUFFERRANGEPROC)(GLuint xfb, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size); +GLAPI PFNGLTRANSFORMFEEDBACKBUFFERRANGEPROC glad_glTransformFeedbackBufferRange; + #define glTransformFeedbackBufferRange glad_glTransformFeedbackBufferRange +typedef void(APIENTRYP PFNGLGETTRANSFORMFEEDBACKIVPROC)(GLuint xfb, GLenum pname, GLint *param); +GLAPI PFNGLGETTRANSFORMFEEDBACKIVPROC glad_glGetTransformFeedbackiv; + #define glGetTransformFeedbackiv glad_glGetTransformFeedbackiv +typedef void(APIENTRYP PFNGLGETTRANSFORMFEEDBACKI_VPROC)(GLuint xfb, GLenum pname, GLuint index, GLint *param); +GLAPI PFNGLGETTRANSFORMFEEDBACKI_VPROC glad_glGetTransformFeedbacki_v; + #define glGetTransformFeedbacki_v glad_glGetTransformFeedbacki_v +typedef void(APIENTRYP PFNGLGETTRANSFORMFEEDBACKI64_VPROC)(GLuint xfb, GLenum pname, GLuint index, GLint64 *param); +GLAPI PFNGLGETTRANSFORMFEEDBACKI64_VPROC glad_glGetTransformFeedbacki64_v; + #define glGetTransformFeedbacki64_v glad_glGetTransformFeedbacki64_v +typedef void(APIENTRYP PFNGLCREATEBUFFERSPROC)(GLsizei n, GLuint *buffers); +GLAPI PFNGLCREATEBUFFERSPROC glad_glCreateBuffers; + #define glCreateBuffers glad_glCreateBuffers +typedef void(APIENTRYP PFNGLNAMEDBUFFERSTORAGEPROC)(GLuint buffer, GLsizeiptr size, const void *data, GLbitfield flags); +GLAPI PFNGLNAMEDBUFFERSTORAGEPROC glad_glNamedBufferStorage; + #define glNamedBufferStorage glad_glNamedBufferStorage +typedef void(APIENTRYP PFNGLNAMEDBUFFERDATAPROC)(GLuint buffer, GLsizeiptr size, const void *data, GLenum usage); +GLAPI PFNGLNAMEDBUFFERDATAPROC glad_glNamedBufferData; + #define glNamedBufferData glad_glNamedBufferData +typedef void(APIENTRYP PFNGLNAMEDBUFFERSUBDATAPROC)(GLuint buffer, GLintptr offset, GLsizeiptr size, const void *data); +GLAPI PFNGLNAMEDBUFFERSUBDATAPROC glad_glNamedBufferSubData; + #define glNamedBufferSubData glad_glNamedBufferSubData +typedef void(APIENTRYP PFNGLCOPYNAMEDBUFFERSUBDATAPROC)(GLuint readBuffer, GLuint writeBuffer, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); +GLAPI PFNGLCOPYNAMEDBUFFERSUBDATAPROC glad_glCopyNamedBufferSubData; + #define glCopyNamedBufferSubData glad_glCopyNamedBufferSubData +typedef void(APIENTRYP PFNGLCLEARNAMEDBUFFERDATAPROC)(GLuint buffer, GLenum internalformat, GLenum format, GLenum type, const void *data); +GLAPI PFNGLCLEARNAMEDBUFFERDATAPROC glad_glClearNamedBufferData; + #define glClearNamedBufferData glad_glClearNamedBufferData +typedef void(APIENTRYP PFNGLCLEARNAMEDBUFFERSUBDATAPROC)(GLuint buffer, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const void *data); +GLAPI PFNGLCLEARNAMEDBUFFERSUBDATAPROC glad_glClearNamedBufferSubData; + #define glClearNamedBufferSubData glad_glClearNamedBufferSubData +typedef void *(APIENTRYP PFNGLMAPNAMEDBUFFERPROC)(GLuint buffer, GLenum access); +GLAPI PFNGLMAPNAMEDBUFFERPROC glad_glMapNamedBuffer; + #define glMapNamedBuffer glad_glMapNamedBuffer +typedef void *(APIENTRYP PFNGLMAPNAMEDBUFFERRANGEPROC)(GLuint buffer, GLintptr offset, GLsizeiptr length, GLbitfield access); +GLAPI PFNGLMAPNAMEDBUFFERRANGEPROC glad_glMapNamedBufferRange; + #define glMapNamedBufferRange glad_glMapNamedBufferRange +typedef GLboolean(APIENTRYP PFNGLUNMAPNAMEDBUFFERPROC)(GLuint buffer); +GLAPI PFNGLUNMAPNAMEDBUFFERPROC glad_glUnmapNamedBuffer; + #define glUnmapNamedBuffer glad_glUnmapNamedBuffer +typedef void(APIENTRYP PFNGLFLUSHMAPPEDNAMEDBUFFERRANGEPROC)(GLuint buffer, GLintptr offset, GLsizeiptr length); +GLAPI PFNGLFLUSHMAPPEDNAMEDBUFFERRANGEPROC glad_glFlushMappedNamedBufferRange; + #define glFlushMappedNamedBufferRange glad_glFlushMappedNamedBufferRange +typedef void(APIENTRYP PFNGLGETNAMEDBUFFERPARAMETERIVPROC)(GLuint buffer, GLenum pname, GLint *params); +GLAPI PFNGLGETNAMEDBUFFERPARAMETERIVPROC glad_glGetNamedBufferParameteriv; + #define glGetNamedBufferParameteriv glad_glGetNamedBufferParameteriv +typedef void(APIENTRYP PFNGLGETNAMEDBUFFERPARAMETERI64VPROC)(GLuint buffer, GLenum pname, GLint64 *params); +GLAPI PFNGLGETNAMEDBUFFERPARAMETERI64VPROC glad_glGetNamedBufferParameteri64v; + #define glGetNamedBufferParameteri64v glad_glGetNamedBufferParameteri64v +typedef void(APIENTRYP PFNGLGETNAMEDBUFFERPOINTERVPROC)(GLuint buffer, GLenum pname, void **params); +GLAPI PFNGLGETNAMEDBUFFERPOINTERVPROC glad_glGetNamedBufferPointerv; + #define glGetNamedBufferPointerv glad_glGetNamedBufferPointerv +typedef void(APIENTRYP PFNGLGETNAMEDBUFFERSUBDATAPROC)(GLuint buffer, GLintptr offset, GLsizeiptr size, void *data); +GLAPI PFNGLGETNAMEDBUFFERSUBDATAPROC glad_glGetNamedBufferSubData; + #define glGetNamedBufferSubData glad_glGetNamedBufferSubData +typedef void(APIENTRYP PFNGLCREATEFRAMEBUFFERSPROC)(GLsizei n, GLuint *framebuffers); +GLAPI PFNGLCREATEFRAMEBUFFERSPROC glad_glCreateFramebuffers; + #define glCreateFramebuffers glad_glCreateFramebuffers +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERRENDERBUFFERPROC)(GLuint framebuffer, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +GLAPI PFNGLNAMEDFRAMEBUFFERRENDERBUFFERPROC glad_glNamedFramebufferRenderbuffer; + #define glNamedFramebufferRenderbuffer glad_glNamedFramebufferRenderbuffer +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERPARAMETERIPROC)(GLuint framebuffer, GLenum pname, GLint param); +GLAPI PFNGLNAMEDFRAMEBUFFERPARAMETERIPROC glad_glNamedFramebufferParameteri; + #define glNamedFramebufferParameteri glad_glNamedFramebufferParameteri +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERTEXTUREPROC)(GLuint framebuffer, GLenum attachment, GLuint texture, GLint level); +GLAPI PFNGLNAMEDFRAMEBUFFERTEXTUREPROC glad_glNamedFramebufferTexture; + #define glNamedFramebufferTexture glad_glNamedFramebufferTexture +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERTEXTURELAYERPROC)(GLuint framebuffer, GLenum attachment, GLuint texture, GLint level, GLint layer); +GLAPI PFNGLNAMEDFRAMEBUFFERTEXTURELAYERPROC glad_glNamedFramebufferTextureLayer; + #define glNamedFramebufferTextureLayer glad_glNamedFramebufferTextureLayer +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERDRAWBUFFERPROC)(GLuint framebuffer, GLenum buf); +GLAPI PFNGLNAMEDFRAMEBUFFERDRAWBUFFERPROC glad_glNamedFramebufferDrawBuffer; + #define glNamedFramebufferDrawBuffer glad_glNamedFramebufferDrawBuffer +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERDRAWBUFFERSPROC)(GLuint framebuffer, GLsizei n, const GLenum *bufs); +GLAPI PFNGLNAMEDFRAMEBUFFERDRAWBUFFERSPROC glad_glNamedFramebufferDrawBuffers; + #define glNamedFramebufferDrawBuffers glad_glNamedFramebufferDrawBuffers +typedef void(APIENTRYP PFNGLNAMEDFRAMEBUFFERREADBUFFERPROC)(GLuint framebuffer, GLenum src); +GLAPI PFNGLNAMEDFRAMEBUFFERREADBUFFERPROC glad_glNamedFramebufferReadBuffer; + #define glNamedFramebufferReadBuffer glad_glNamedFramebufferReadBuffer +typedef void(APIENTRYP PFNGLINVALIDATENAMEDFRAMEBUFFERDATAPROC)(GLuint framebuffer, GLsizei numAttachments, const GLenum *attachments); +GLAPI PFNGLINVALIDATENAMEDFRAMEBUFFERDATAPROC glad_glInvalidateNamedFramebufferData; + #define glInvalidateNamedFramebufferData glad_glInvalidateNamedFramebufferData +typedef void(APIENTRYP PFNGLINVALIDATENAMEDFRAMEBUFFERSUBDATAPROC)(GLuint framebuffer, GLsizei numAttachments, const GLenum *attachments, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLINVALIDATENAMEDFRAMEBUFFERSUBDATAPROC glad_glInvalidateNamedFramebufferSubData; + #define glInvalidateNamedFramebufferSubData glad_glInvalidateNamedFramebufferSubData +typedef void(APIENTRYP PFNGLCLEARNAMEDFRAMEBUFFERIVPROC)(GLuint framebuffer, GLenum buffer, GLint drawbuffer, const GLint *value); +GLAPI PFNGLCLEARNAMEDFRAMEBUFFERIVPROC glad_glClearNamedFramebufferiv; + #define glClearNamedFramebufferiv glad_glClearNamedFramebufferiv +typedef void(APIENTRYP PFNGLCLEARNAMEDFRAMEBUFFERUIVPROC)(GLuint framebuffer, GLenum buffer, GLint drawbuffer, const GLuint *value); +GLAPI PFNGLCLEARNAMEDFRAMEBUFFERUIVPROC glad_glClearNamedFramebufferuiv; + #define glClearNamedFramebufferuiv glad_glClearNamedFramebufferuiv +typedef void(APIENTRYP PFNGLCLEARNAMEDFRAMEBUFFERFVPROC)(GLuint framebuffer, GLenum buffer, GLint drawbuffer, const GLfloat *value); +GLAPI PFNGLCLEARNAMEDFRAMEBUFFERFVPROC glad_glClearNamedFramebufferfv; + #define glClearNamedFramebufferfv glad_glClearNamedFramebufferfv +typedef void(APIENTRYP PFNGLCLEARNAMEDFRAMEBUFFERFIPROC)(GLuint framebuffer, GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil); +GLAPI PFNGLCLEARNAMEDFRAMEBUFFERFIPROC glad_glClearNamedFramebufferfi; + #define glClearNamedFramebufferfi glad_glClearNamedFramebufferfi +typedef void(APIENTRYP PFNGLBLITNAMEDFRAMEBUFFERPROC)(GLuint readFramebuffer, GLuint drawFramebuffer, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); +GLAPI PFNGLBLITNAMEDFRAMEBUFFERPROC glad_glBlitNamedFramebuffer; + #define glBlitNamedFramebuffer glad_glBlitNamedFramebuffer +typedef GLenum(APIENTRYP PFNGLCHECKNAMEDFRAMEBUFFERSTATUSPROC)(GLuint framebuffer, GLenum target); +GLAPI PFNGLCHECKNAMEDFRAMEBUFFERSTATUSPROC glad_glCheckNamedFramebufferStatus; + #define glCheckNamedFramebufferStatus glad_glCheckNamedFramebufferStatus +typedef void(APIENTRYP PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVPROC)(GLuint framebuffer, GLenum pname, GLint *param); +GLAPI PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVPROC glad_glGetNamedFramebufferParameteriv; + #define glGetNamedFramebufferParameteriv glad_glGetNamedFramebufferParameteriv +typedef void(APIENTRYP PFNGLGETNAMEDFRAMEBUFFERATTACHMENTPARAMETERIVPROC)(GLuint framebuffer, GLenum attachment, GLenum pname, GLint *params); +GLAPI PFNGLGETNAMEDFRAMEBUFFERATTACHMENTPARAMETERIVPROC glad_glGetNamedFramebufferAttachmentParameteriv; + #define glGetNamedFramebufferAttachmentParameteriv glad_glGetNamedFramebufferAttachmentParameteriv +typedef void(APIENTRYP PFNGLCREATERENDERBUFFERSPROC)(GLsizei n, GLuint *renderbuffers); +GLAPI PFNGLCREATERENDERBUFFERSPROC glad_glCreateRenderbuffers; + #define glCreateRenderbuffers glad_glCreateRenderbuffers +typedef void(APIENTRYP PFNGLNAMEDRENDERBUFFERSTORAGEPROC)(GLuint renderbuffer, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI PFNGLNAMEDRENDERBUFFERSTORAGEPROC glad_glNamedRenderbufferStorage; + #define glNamedRenderbufferStorage glad_glNamedRenderbufferStorage +typedef void(APIENTRYP PFNGLNAMEDRENDERBUFFERSTORAGEMULTISAMPLEPROC)(GLuint renderbuffer, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI PFNGLNAMEDRENDERBUFFERSTORAGEMULTISAMPLEPROC glad_glNamedRenderbufferStorageMultisample; + #define glNamedRenderbufferStorageMultisample glad_glNamedRenderbufferStorageMultisample +typedef void(APIENTRYP PFNGLGETNAMEDRENDERBUFFERPARAMETERIVPROC)(GLuint renderbuffer, GLenum pname, GLint *params); +GLAPI PFNGLGETNAMEDRENDERBUFFERPARAMETERIVPROC glad_glGetNamedRenderbufferParameteriv; + #define glGetNamedRenderbufferParameteriv glad_glGetNamedRenderbufferParameteriv +typedef void(APIENTRYP PFNGLCREATETEXTURESPROC)(GLenum target, GLsizei n, GLuint *textures); +GLAPI PFNGLCREATETEXTURESPROC glad_glCreateTextures; + #define glCreateTextures glad_glCreateTextures +typedef void(APIENTRYP PFNGLTEXTUREBUFFERPROC)(GLuint texture, GLenum internalformat, GLuint buffer); +GLAPI PFNGLTEXTUREBUFFERPROC glad_glTextureBuffer; + #define glTextureBuffer glad_glTextureBuffer +typedef void(APIENTRYP PFNGLTEXTUREBUFFERRANGEPROC)(GLuint texture, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size); +GLAPI PFNGLTEXTUREBUFFERRANGEPROC glad_glTextureBufferRange; + #define glTextureBufferRange glad_glTextureBufferRange +typedef void(APIENTRYP PFNGLTEXTURESTORAGE1DPROC)(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width); +GLAPI PFNGLTEXTURESTORAGE1DPROC glad_glTextureStorage1D; + #define glTextureStorage1D glad_glTextureStorage1D +typedef void(APIENTRYP PFNGLTEXTURESTORAGE2DPROC)(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI PFNGLTEXTURESTORAGE2DPROC glad_glTextureStorage2D; + #define glTextureStorage2D glad_glTextureStorage2D +typedef void(APIENTRYP PFNGLTEXTURESTORAGE3DPROC)(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +GLAPI PFNGLTEXTURESTORAGE3DPROC glad_glTextureStorage3D; + #define glTextureStorage3D glad_glTextureStorage3D +typedef void(APIENTRYP PFNGLTEXTURESTORAGE2DMULTISAMPLEPROC)(GLuint texture, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +GLAPI PFNGLTEXTURESTORAGE2DMULTISAMPLEPROC glad_glTextureStorage2DMultisample; + #define glTextureStorage2DMultisample glad_glTextureStorage2DMultisample +typedef void(APIENTRYP PFNGLTEXTURESTORAGE3DMULTISAMPLEPROC)(GLuint texture, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +GLAPI PFNGLTEXTURESTORAGE3DMULTISAMPLEPROC glad_glTextureStorage3DMultisample; + #define glTextureStorage3DMultisample glad_glTextureStorage3DMultisample +typedef void(APIENTRYP PFNGLTEXTURESUBIMAGE1DPROC)(GLuint texture, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXTURESUBIMAGE1DPROC glad_glTextureSubImage1D; + #define glTextureSubImage1D glad_glTextureSubImage1D +typedef void(APIENTRYP PFNGLTEXTURESUBIMAGE2DPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXTURESUBIMAGE2DPROC glad_glTextureSubImage2D; + #define glTextureSubImage2D glad_glTextureSubImage2D +typedef void(APIENTRYP PFNGLTEXTURESUBIMAGE3DPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels); +GLAPI PFNGLTEXTURESUBIMAGE3DPROC glad_glTextureSubImage3D; + #define glTextureSubImage3D glad_glTextureSubImage3D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXTURESUBIMAGE1DPROC)(GLuint texture, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXTURESUBIMAGE1DPROC glad_glCompressedTextureSubImage1D; + #define glCompressedTextureSubImage1D glad_glCompressedTextureSubImage1D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXTURESUBIMAGE2DPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXTURESUBIMAGE2DPROC glad_glCompressedTextureSubImage2D; + #define glCompressedTextureSubImage2D glad_glCompressedTextureSubImage2D +typedef void(APIENTRYP PFNGLCOMPRESSEDTEXTURESUBIMAGE3DPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data); +GLAPI PFNGLCOMPRESSEDTEXTURESUBIMAGE3DPROC glad_glCompressedTextureSubImage3D; + #define glCompressedTextureSubImage3D glad_glCompressedTextureSubImage3D +typedef void(APIENTRYP PFNGLCOPYTEXTURESUBIMAGE1DPROC)(GLuint texture, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width); +GLAPI PFNGLCOPYTEXTURESUBIMAGE1DPROC glad_glCopyTextureSubImage1D; + #define glCopyTextureSubImage1D glad_glCopyTextureSubImage1D +typedef void(APIENTRYP PFNGLCOPYTEXTURESUBIMAGE2DPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLCOPYTEXTURESUBIMAGE2DPROC glad_glCopyTextureSubImage2D; + #define glCopyTextureSubImage2D glad_glCopyTextureSubImage2D +typedef void(APIENTRYP PFNGLCOPYTEXTURESUBIMAGE3DPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI PFNGLCOPYTEXTURESUBIMAGE3DPROC glad_glCopyTextureSubImage3D; + #define glCopyTextureSubImage3D glad_glCopyTextureSubImage3D +typedef void(APIENTRYP PFNGLTEXTUREPARAMETERFPROC)(GLuint texture, GLenum pname, GLfloat param); +GLAPI PFNGLTEXTUREPARAMETERFPROC glad_glTextureParameterf; + #define glTextureParameterf glad_glTextureParameterf +typedef void(APIENTRYP PFNGLTEXTUREPARAMETERFVPROC)(GLuint texture, GLenum pname, const GLfloat *param); +GLAPI PFNGLTEXTUREPARAMETERFVPROC glad_glTextureParameterfv; + #define glTextureParameterfv glad_glTextureParameterfv +typedef void(APIENTRYP PFNGLTEXTUREPARAMETERIPROC)(GLuint texture, GLenum pname, GLint param); +GLAPI PFNGLTEXTUREPARAMETERIPROC glad_glTextureParameteri; + #define glTextureParameteri glad_glTextureParameteri +typedef void(APIENTRYP PFNGLTEXTUREPARAMETERIIVPROC)(GLuint texture, GLenum pname, const GLint *params); +GLAPI PFNGLTEXTUREPARAMETERIIVPROC glad_glTextureParameterIiv; + #define glTextureParameterIiv glad_glTextureParameterIiv +typedef void(APIENTRYP PFNGLTEXTUREPARAMETERIUIVPROC)(GLuint texture, GLenum pname, const GLuint *params); +GLAPI PFNGLTEXTUREPARAMETERIUIVPROC glad_glTextureParameterIuiv; + #define glTextureParameterIuiv glad_glTextureParameterIuiv +typedef void(APIENTRYP PFNGLTEXTUREPARAMETERIVPROC)(GLuint texture, GLenum pname, const GLint *param); +GLAPI PFNGLTEXTUREPARAMETERIVPROC glad_glTextureParameteriv; + #define glTextureParameteriv glad_glTextureParameteriv +typedef void(APIENTRYP PFNGLGENERATETEXTUREMIPMAPPROC)(GLuint texture); +GLAPI PFNGLGENERATETEXTUREMIPMAPPROC glad_glGenerateTextureMipmap; + #define glGenerateTextureMipmap glad_glGenerateTextureMipmap +typedef void(APIENTRYP PFNGLBINDTEXTUREUNITPROC)(GLuint unit, GLuint texture); +GLAPI PFNGLBINDTEXTUREUNITPROC glad_glBindTextureUnit; + #define glBindTextureUnit glad_glBindTextureUnit +typedef void(APIENTRYP PFNGLGETTEXTUREIMAGEPROC)(GLuint texture, GLint level, GLenum format, GLenum type, GLsizei bufSize, void *pixels); +GLAPI PFNGLGETTEXTUREIMAGEPROC glad_glGetTextureImage; + #define glGetTextureImage glad_glGetTextureImage +typedef void(APIENTRYP PFNGLGETCOMPRESSEDTEXTUREIMAGEPROC)(GLuint texture, GLint level, GLsizei bufSize, void *pixels); +GLAPI PFNGLGETCOMPRESSEDTEXTUREIMAGEPROC glad_glGetCompressedTextureImage; + #define glGetCompressedTextureImage glad_glGetCompressedTextureImage +typedef void(APIENTRYP PFNGLGETTEXTURELEVELPARAMETERFVPROC)(GLuint texture, GLint level, GLenum pname, GLfloat *params); +GLAPI PFNGLGETTEXTURELEVELPARAMETERFVPROC glad_glGetTextureLevelParameterfv; + #define glGetTextureLevelParameterfv glad_glGetTextureLevelParameterfv +typedef void(APIENTRYP PFNGLGETTEXTURELEVELPARAMETERIVPROC)(GLuint texture, GLint level, GLenum pname, GLint *params); +GLAPI PFNGLGETTEXTURELEVELPARAMETERIVPROC glad_glGetTextureLevelParameteriv; + #define glGetTextureLevelParameteriv glad_glGetTextureLevelParameteriv +typedef void(APIENTRYP PFNGLGETTEXTUREPARAMETERFVPROC)(GLuint texture, GLenum pname, GLfloat *params); +GLAPI PFNGLGETTEXTUREPARAMETERFVPROC glad_glGetTextureParameterfv; + #define glGetTextureParameterfv glad_glGetTextureParameterfv +typedef void(APIENTRYP PFNGLGETTEXTUREPARAMETERIIVPROC)(GLuint texture, GLenum pname, GLint *params); +GLAPI PFNGLGETTEXTUREPARAMETERIIVPROC glad_glGetTextureParameterIiv; + #define glGetTextureParameterIiv glad_glGetTextureParameterIiv +typedef void(APIENTRYP PFNGLGETTEXTUREPARAMETERIUIVPROC)(GLuint texture, GLenum pname, GLuint *params); +GLAPI PFNGLGETTEXTUREPARAMETERIUIVPROC glad_glGetTextureParameterIuiv; + #define glGetTextureParameterIuiv glad_glGetTextureParameterIuiv +typedef void(APIENTRYP PFNGLGETTEXTUREPARAMETERIVPROC)(GLuint texture, GLenum pname, GLint *params); +GLAPI PFNGLGETTEXTUREPARAMETERIVPROC glad_glGetTextureParameteriv; + #define glGetTextureParameteriv glad_glGetTextureParameteriv +typedef void(APIENTRYP PFNGLCREATEVERTEXARRAYSPROC)(GLsizei n, GLuint *arrays); +GLAPI PFNGLCREATEVERTEXARRAYSPROC glad_glCreateVertexArrays; + #define glCreateVertexArrays glad_glCreateVertexArrays +typedef void(APIENTRYP PFNGLDISABLEVERTEXARRAYATTRIBPROC)(GLuint vaobj, GLuint index); +GLAPI PFNGLDISABLEVERTEXARRAYATTRIBPROC glad_glDisableVertexArrayAttrib; + #define glDisableVertexArrayAttrib glad_glDisableVertexArrayAttrib +typedef void(APIENTRYP PFNGLENABLEVERTEXARRAYATTRIBPROC)(GLuint vaobj, GLuint index); +GLAPI PFNGLENABLEVERTEXARRAYATTRIBPROC glad_glEnableVertexArrayAttrib; + #define glEnableVertexArrayAttrib glad_glEnableVertexArrayAttrib +typedef void(APIENTRYP PFNGLVERTEXARRAYELEMENTBUFFERPROC)(GLuint vaobj, GLuint buffer); +GLAPI PFNGLVERTEXARRAYELEMENTBUFFERPROC glad_glVertexArrayElementBuffer; + #define glVertexArrayElementBuffer glad_glVertexArrayElementBuffer +typedef void(APIENTRYP PFNGLVERTEXARRAYVERTEXBUFFERPROC)(GLuint vaobj, GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride); +GLAPI PFNGLVERTEXARRAYVERTEXBUFFERPROC glad_glVertexArrayVertexBuffer; + #define glVertexArrayVertexBuffer glad_glVertexArrayVertexBuffer +typedef void(APIENTRYP PFNGLVERTEXARRAYVERTEXBUFFERSPROC)(GLuint vaobj, GLuint first, GLsizei count, const GLuint *buffers, const GLintptr *offsets, const GLsizei *strides); +GLAPI PFNGLVERTEXARRAYVERTEXBUFFERSPROC glad_glVertexArrayVertexBuffers; + #define glVertexArrayVertexBuffers glad_glVertexArrayVertexBuffers +typedef void(APIENTRYP PFNGLVERTEXARRAYATTRIBBINDINGPROC)(GLuint vaobj, GLuint attribindex, GLuint bindingindex); +GLAPI PFNGLVERTEXARRAYATTRIBBINDINGPROC glad_glVertexArrayAttribBinding; + #define glVertexArrayAttribBinding glad_glVertexArrayAttribBinding +typedef void(APIENTRYP PFNGLVERTEXARRAYATTRIBFORMATPROC)(GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset); +GLAPI PFNGLVERTEXARRAYATTRIBFORMATPROC glad_glVertexArrayAttribFormat; + #define glVertexArrayAttribFormat glad_glVertexArrayAttribFormat +typedef void(APIENTRYP PFNGLVERTEXARRAYATTRIBIFORMATPROC)(GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI PFNGLVERTEXARRAYATTRIBIFORMATPROC glad_glVertexArrayAttribIFormat; + #define glVertexArrayAttribIFormat glad_glVertexArrayAttribIFormat +typedef void(APIENTRYP PFNGLVERTEXARRAYATTRIBLFORMATPROC)(GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI PFNGLVERTEXARRAYATTRIBLFORMATPROC glad_glVertexArrayAttribLFormat; + #define glVertexArrayAttribLFormat glad_glVertexArrayAttribLFormat +typedef void(APIENTRYP PFNGLVERTEXARRAYBINDINGDIVISORPROC)(GLuint vaobj, GLuint bindingindex, GLuint divisor); +GLAPI PFNGLVERTEXARRAYBINDINGDIVISORPROC glad_glVertexArrayBindingDivisor; + #define glVertexArrayBindingDivisor glad_glVertexArrayBindingDivisor +typedef void(APIENTRYP PFNGLGETVERTEXARRAYIVPROC)(GLuint vaobj, GLenum pname, GLint *param); +GLAPI PFNGLGETVERTEXARRAYIVPROC glad_glGetVertexArrayiv; + #define glGetVertexArrayiv glad_glGetVertexArrayiv +typedef void(APIENTRYP PFNGLGETVERTEXARRAYINDEXEDIVPROC)(GLuint vaobj, GLuint index, GLenum pname, GLint *param); +GLAPI PFNGLGETVERTEXARRAYINDEXEDIVPROC glad_glGetVertexArrayIndexediv; + #define glGetVertexArrayIndexediv glad_glGetVertexArrayIndexediv +typedef void(APIENTRYP PFNGLGETVERTEXARRAYINDEXED64IVPROC)(GLuint vaobj, GLuint index, GLenum pname, GLint64 *param); +GLAPI PFNGLGETVERTEXARRAYINDEXED64IVPROC glad_glGetVertexArrayIndexed64iv; + #define glGetVertexArrayIndexed64iv glad_glGetVertexArrayIndexed64iv +typedef void(APIENTRYP PFNGLCREATESAMPLERSPROC)(GLsizei n, GLuint *samplers); +GLAPI PFNGLCREATESAMPLERSPROC glad_glCreateSamplers; + #define glCreateSamplers glad_glCreateSamplers +typedef void(APIENTRYP PFNGLCREATEPROGRAMPIPELINESPROC)(GLsizei n, GLuint *pipelines); +GLAPI PFNGLCREATEPROGRAMPIPELINESPROC glad_glCreateProgramPipelines; + #define glCreateProgramPipelines glad_glCreateProgramPipelines +typedef void(APIENTRYP PFNGLCREATEQUERIESPROC)(GLenum target, GLsizei n, GLuint *ids); +GLAPI PFNGLCREATEQUERIESPROC glad_glCreateQueries; + #define glCreateQueries glad_glCreateQueries +typedef void(APIENTRYP PFNGLGETQUERYBUFFEROBJECTI64VPROC)(GLuint id, GLuint buffer, GLenum pname, GLintptr offset); +GLAPI PFNGLGETQUERYBUFFEROBJECTI64VPROC glad_glGetQueryBufferObjecti64v; + #define glGetQueryBufferObjecti64v glad_glGetQueryBufferObjecti64v +typedef void(APIENTRYP PFNGLGETQUERYBUFFEROBJECTIVPROC)(GLuint id, GLuint buffer, GLenum pname, GLintptr offset); +GLAPI PFNGLGETQUERYBUFFEROBJECTIVPROC glad_glGetQueryBufferObjectiv; + #define glGetQueryBufferObjectiv glad_glGetQueryBufferObjectiv +typedef void(APIENTRYP PFNGLGETQUERYBUFFEROBJECTUI64VPROC)(GLuint id, GLuint buffer, GLenum pname, GLintptr offset); +GLAPI PFNGLGETQUERYBUFFEROBJECTUI64VPROC glad_glGetQueryBufferObjectui64v; + #define glGetQueryBufferObjectui64v glad_glGetQueryBufferObjectui64v +typedef void(APIENTRYP PFNGLGETQUERYBUFFEROBJECTUIVPROC)(GLuint id, GLuint buffer, GLenum pname, GLintptr offset); +GLAPI PFNGLGETQUERYBUFFEROBJECTUIVPROC glad_glGetQueryBufferObjectuiv; + #define glGetQueryBufferObjectuiv glad_glGetQueryBufferObjectuiv +typedef void(APIENTRYP PFNGLMEMORYBARRIERBYREGIONPROC)(GLbitfield barriers); +GLAPI PFNGLMEMORYBARRIERBYREGIONPROC glad_glMemoryBarrierByRegion; + #define glMemoryBarrierByRegion glad_glMemoryBarrierByRegion +typedef void(APIENTRYP PFNGLGETTEXTURESUBIMAGEPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLsizei bufSize, void *pixels); +GLAPI PFNGLGETTEXTURESUBIMAGEPROC glad_glGetTextureSubImage; + #define glGetTextureSubImage glad_glGetTextureSubImage +typedef void(APIENTRYP PFNGLGETCOMPRESSEDTEXTURESUBIMAGEPROC)(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLsizei bufSize, void *pixels); +GLAPI PFNGLGETCOMPRESSEDTEXTURESUBIMAGEPROC glad_glGetCompressedTextureSubImage; + #define glGetCompressedTextureSubImage glad_glGetCompressedTextureSubImage +typedef GLenum(APIENTRYP PFNGLGETGRAPHICSRESETSTATUSPROC)(void); +GLAPI PFNGLGETGRAPHICSRESETSTATUSPROC glad_glGetGraphicsResetStatus; + #define glGetGraphicsResetStatus glad_glGetGraphicsResetStatus +typedef void(APIENTRYP PFNGLGETNCOMPRESSEDTEXIMAGEPROC)(GLenum target, GLint lod, GLsizei bufSize, void *pixels); +GLAPI PFNGLGETNCOMPRESSEDTEXIMAGEPROC glad_glGetnCompressedTexImage; + #define glGetnCompressedTexImage glad_glGetnCompressedTexImage +typedef void(APIENTRYP PFNGLGETNTEXIMAGEPROC)(GLenum target, GLint level, GLenum format, GLenum type, GLsizei bufSize, void *pixels); +GLAPI PFNGLGETNTEXIMAGEPROC glad_glGetnTexImage; + #define glGetnTexImage glad_glGetnTexImage +typedef void(APIENTRYP PFNGLGETNUNIFORMDVPROC)(GLuint program, GLint location, GLsizei bufSize, GLdouble *params); +GLAPI PFNGLGETNUNIFORMDVPROC glad_glGetnUniformdv; + #define glGetnUniformdv glad_glGetnUniformdv +typedef void(APIENTRYP PFNGLGETNUNIFORMFVPROC)(GLuint program, GLint location, GLsizei bufSize, GLfloat *params); +GLAPI PFNGLGETNUNIFORMFVPROC glad_glGetnUniformfv; + #define glGetnUniformfv glad_glGetnUniformfv +typedef void(APIENTRYP PFNGLGETNUNIFORMIVPROC)(GLuint program, GLint location, GLsizei bufSize, GLint *params); +GLAPI PFNGLGETNUNIFORMIVPROC glad_glGetnUniformiv; + #define glGetnUniformiv glad_glGetnUniformiv +typedef void(APIENTRYP PFNGLGETNUNIFORMUIVPROC)(GLuint program, GLint location, GLsizei bufSize, GLuint *params); +GLAPI PFNGLGETNUNIFORMUIVPROC glad_glGetnUniformuiv; + #define glGetnUniformuiv glad_glGetnUniformuiv +typedef void(APIENTRYP PFNGLREADNPIXELSPROC)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void *data); +GLAPI PFNGLREADNPIXELSPROC glad_glReadnPixels; + #define glReadnPixels glad_glReadnPixels +typedef void(APIENTRYP PFNGLGETNMAPDVPROC)(GLenum target, GLenum query, GLsizei bufSize, GLdouble *v); +GLAPI PFNGLGETNMAPDVPROC glad_glGetnMapdv; + #define glGetnMapdv glad_glGetnMapdv +typedef void(APIENTRYP PFNGLGETNMAPFVPROC)(GLenum target, GLenum query, GLsizei bufSize, GLfloat *v); +GLAPI PFNGLGETNMAPFVPROC glad_glGetnMapfv; + #define glGetnMapfv glad_glGetnMapfv +typedef void(APIENTRYP PFNGLGETNMAPIVPROC)(GLenum target, GLenum query, GLsizei bufSize, GLint *v); +GLAPI PFNGLGETNMAPIVPROC glad_glGetnMapiv; + #define glGetnMapiv glad_glGetnMapiv +typedef void(APIENTRYP PFNGLGETNPIXELMAPFVPROC)(GLenum map, GLsizei bufSize, GLfloat *values); +GLAPI PFNGLGETNPIXELMAPFVPROC glad_glGetnPixelMapfv; + #define glGetnPixelMapfv glad_glGetnPixelMapfv +typedef void(APIENTRYP PFNGLGETNPIXELMAPUIVPROC)(GLenum map, GLsizei bufSize, GLuint *values); +GLAPI PFNGLGETNPIXELMAPUIVPROC glad_glGetnPixelMapuiv; + #define glGetnPixelMapuiv glad_glGetnPixelMapuiv +typedef void(APIENTRYP PFNGLGETNPIXELMAPUSVPROC)(GLenum map, GLsizei bufSize, GLushort *values); +GLAPI PFNGLGETNPIXELMAPUSVPROC glad_glGetnPixelMapusv; + #define glGetnPixelMapusv glad_glGetnPixelMapusv +typedef void(APIENTRYP PFNGLGETNPOLYGONSTIPPLEPROC)(GLsizei bufSize, GLubyte *pattern); +GLAPI PFNGLGETNPOLYGONSTIPPLEPROC glad_glGetnPolygonStipple; + #define glGetnPolygonStipple glad_glGetnPolygonStipple +typedef void(APIENTRYP PFNGLGETNCOLORTABLEPROC)(GLenum target, GLenum format, GLenum type, GLsizei bufSize, void *table); +GLAPI PFNGLGETNCOLORTABLEPROC glad_glGetnColorTable; + #define glGetnColorTable glad_glGetnColorTable +typedef void(APIENTRYP PFNGLGETNCONVOLUTIONFILTERPROC)(GLenum target, GLenum format, GLenum type, GLsizei bufSize, void *image); +GLAPI PFNGLGETNCONVOLUTIONFILTERPROC glad_glGetnConvolutionFilter; + #define glGetnConvolutionFilter glad_glGetnConvolutionFilter +typedef void(APIENTRYP PFNGLGETNSEPARABLEFILTERPROC)(GLenum target, GLenum format, GLenum type, GLsizei rowBufSize, void *row, GLsizei columnBufSize, void *column, void *span); +GLAPI PFNGLGETNSEPARABLEFILTERPROC glad_glGetnSeparableFilter; + #define glGetnSeparableFilter glad_glGetnSeparableFilter +typedef void(APIENTRYP PFNGLGETNHISTOGRAMPROC)(GLenum target, GLboolean reset, GLenum format, GLenum type, GLsizei bufSize, void *values); +GLAPI PFNGLGETNHISTOGRAMPROC glad_glGetnHistogram; + #define glGetnHistogram glad_glGetnHistogram +typedef void(APIENTRYP PFNGLGETNMINMAXPROC)(GLenum target, GLboolean reset, GLenum format, GLenum type, GLsizei bufSize, void *values); +GLAPI PFNGLGETNMINMAXPROC glad_glGetnMinmax; + #define glGetnMinmax glad_glGetnMinmax +typedef void(APIENTRYP PFNGLTEXTUREBARRIERPROC)(void); +GLAPI PFNGLTEXTUREBARRIERPROC glad_glTextureBarrier; + #define glTextureBarrier glad_glTextureBarrier +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/vendor/glad/khrplatform.h b/src/vendor/glad/khrplatform.h new file mode 100755 index 0000000..0164644 --- /dev/null +++ b/src/vendor/glad/khrplatform.h @@ -0,0 +1,311 @@ +#ifndef __khrplatform_h_ +#define __khrplatform_h_ + +/* +** Copyright (c) 2008-2018 The Khronos Group Inc. +** +** Permission is hereby granted, free of charge, to any person obtaining a +** copy of this software and/or associated documentation files (the +** "Materials"), to deal in the Materials without restriction, including +** without limitation the rights to use, copy, modify, merge, publish, +** distribute, sublicense, and/or sell copies of the Materials, and to +** permit persons to whom the Materials are furnished to do so, subject to +** the following conditions: +** +** The above copyright notice and this permission notice shall be included +** in all copies or substantial portions of the Materials. +** +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. +*/ + +/* Khronos platform-specific types and definitions. + * + * The master copy of khrplatform.h is maintained in the Khronos EGL + * Registry repository at https://github.com/KhronosGroup/EGL-Registry + * The last semantic modification to khrplatform.h was at commit ID: + * 67a3e0864c2d75ea5287b9f3d2eb74a745936692 + * + * Adopters may modify this file to suit their platform. Adopters are + * encouraged to submit platform specific modifications to the Khronos + * group so that they can be included in future versions of this file. + * Please submit changes by filing pull requests or issues on + * the EGL Registry repository linked above. + * + * + * See the Implementer's Guidelines for information about where this file + * should be located on your system and for more details of its use: + * http://www.khronos.org/registry/implementers_guide.pdf + * + * This file should be included as + * #include + * by Khronos client API header files that use its types and defines. + * + * The types in khrplatform.h should only be used to define API-specific types. + * + * Types defined in khrplatform.h: + * khronos_int8_t signed 8 bit + * khronos_uint8_t unsigned 8 bit + * khronos_int16_t signed 16 bit + * khronos_uint16_t unsigned 16 bit + * khronos_int32_t signed 32 bit + * khronos_uint32_t unsigned 32 bit + * khronos_int64_t signed 64 bit + * khronos_uint64_t unsigned 64 bit + * khronos_intptr_t signed same number of bits as a pointer + * khronos_uintptr_t unsigned same number of bits as a pointer + * khronos_ssize_t signed size + * khronos_usize_t unsigned size + * khronos_float_t signed 32 bit floating point + * khronos_time_ns_t unsigned 64 bit time in nanoseconds + * khronos_utime_nanoseconds_t unsigned time interval or absolute time in + * nanoseconds + * khronos_stime_nanoseconds_t signed time interval in nanoseconds + * khronos_boolean_enum_t enumerated boolean type. This should + * only be used as a base type when a client API's boolean type is + * an enum. Client APIs which use an integer or other type for + * booleans cannot use this as the base type for their boolean. + * + * Tokens defined in khrplatform.h: + * + * KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values. + * + * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0. + * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0. + * + * Calling convention macros defined in this file: + * KHRONOS_APICALL + * KHRONOS_APIENTRY + * KHRONOS_APIATTRIBUTES + * + * These may be used in function prototypes as: + * + * KHRONOS_APICALL void KHRONOS_APIENTRY funcname( + * int arg1, + * int arg2) KHRONOS_APIATTRIBUTES; + */ + +#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC) +# define KHRONOS_STATIC 1 +#endif + +/*------------------------------------------------------------------------- + * Definition of KHRONOS_APICALL + *------------------------------------------------------------------------- + * This precedes the return type of the function in the function prototype. + */ +#if defined(KHRONOS_STATIC) + /* If the preprocessor constant KHRONOS_STATIC is defined, make the + * header compatible with static linking. */ +# define KHRONOS_APICALL +#elif defined(_WIN32) +# define KHRONOS_APICALL __declspec(dllimport) +#elif defined (__SYMBIAN32__) +# define KHRONOS_APICALL IMPORT_C +#elif defined(__ANDROID__) +# define KHRONOS_APICALL __attribute__((visibility("default"))) +#else +# define KHRONOS_APICALL +#endif + +/*------------------------------------------------------------------------- + * Definition of KHRONOS_APIENTRY + *------------------------------------------------------------------------- + * This follows the return type of the function and precedes the function + * name in the function prototype. + */ +#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__) + /* Win32 but not WinCE */ +# define KHRONOS_APIENTRY __stdcall +#else +# define KHRONOS_APIENTRY +#endif + +/*------------------------------------------------------------------------- + * Definition of KHRONOS_APIATTRIBUTES + *------------------------------------------------------------------------- + * This follows the closing parenthesis of the function prototype arguments. + */ +#if defined (__ARMCC_2__) +#define KHRONOS_APIATTRIBUTES __softfp +#else +#define KHRONOS_APIATTRIBUTES +#endif + +/*------------------------------------------------------------------------- + * basic type definitions + *-----------------------------------------------------------------------*/ +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__) + + +/* + * Using + */ +#include +typedef int32_t khronos_int32_t; +typedef uint32_t khronos_uint32_t; +typedef int64_t khronos_int64_t; +typedef uint64_t khronos_uint64_t; +#define KHRONOS_SUPPORT_INT64 1 +#define KHRONOS_SUPPORT_FLOAT 1 +/* + * To support platform where unsigned long cannot be used interchangeably with + * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t. + * Ideally, we could just use (u)intptr_t everywhere, but this could result in + * ABI breakage if khronos_uintptr_t is changed from unsigned long to + * unsigned long long or similar (this results in different C++ name mangling). + * To avoid changes for existing platforms, we restrict usage of intptr_t to + * platforms where the size of a pointer is larger than the size of long. + */ +#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__) +#if __SIZEOF_POINTER__ > __SIZEOF_LONG__ +#define KHRONOS_USE_INTPTR_T +#endif +#endif + +#elif defined(__VMS ) || defined(__sgi) + +/* + * Using + */ +#include +typedef int32_t khronos_int32_t; +typedef uint32_t khronos_uint32_t; +typedef int64_t khronos_int64_t; +typedef uint64_t khronos_uint64_t; +#define KHRONOS_SUPPORT_INT64 1 +#define KHRONOS_SUPPORT_FLOAT 1 + +#elif defined(_WIN32) && !defined(__SCITECH_SNAP__) + +/* + * Win32 + */ +typedef __int32 khronos_int32_t; +typedef unsigned __int32 khronos_uint32_t; +typedef __int64 khronos_int64_t; +typedef unsigned __int64 khronos_uint64_t; +#define KHRONOS_SUPPORT_INT64 1 +#define KHRONOS_SUPPORT_FLOAT 1 + +#elif defined(__sun__) || defined(__digital__) + +/* + * Sun or Digital + */ +typedef int khronos_int32_t; +typedef unsigned int khronos_uint32_t; +#if defined(__arch64__) || defined(_LP64) +typedef long int khronos_int64_t; +typedef unsigned long int khronos_uint64_t; +#else +typedef long long int khronos_int64_t; +typedef unsigned long long int khronos_uint64_t; +#endif /* __arch64__ */ +#define KHRONOS_SUPPORT_INT64 1 +#define KHRONOS_SUPPORT_FLOAT 1 + +#elif 0 + +/* + * Hypothetical platform with no float or int64 support + */ +typedef int khronos_int32_t; +typedef unsigned int khronos_uint32_t; +#define KHRONOS_SUPPORT_INT64 0 +#define KHRONOS_SUPPORT_FLOAT 0 + +#else + +/* + * Generic fallback + */ +#include +typedef int32_t khronos_int32_t; +typedef uint32_t khronos_uint32_t; +typedef int64_t khronos_int64_t; +typedef uint64_t khronos_uint64_t; +#define KHRONOS_SUPPORT_INT64 1 +#define KHRONOS_SUPPORT_FLOAT 1 + +#endif + + +/* + * Types that are (so far) the same on all platforms + */ +typedef signed char khronos_int8_t; +typedef unsigned char khronos_uint8_t; +typedef signed short int khronos_int16_t; +typedef unsigned short int khronos_uint16_t; + +/* + * Types that differ between LLP64 and LP64 architectures - in LLP64, + * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears + * to be the only LLP64 architecture in current use. + */ +#ifdef KHRONOS_USE_INTPTR_T +typedef intptr_t khronos_intptr_t; +typedef uintptr_t khronos_uintptr_t; +#elif defined(_WIN64) +typedef signed long long int khronos_intptr_t; +typedef unsigned long long int khronos_uintptr_t; +#else +typedef signed long int khronos_intptr_t; +typedef unsigned long int khronos_uintptr_t; +#endif + +#if defined(_WIN64) +typedef signed long long int khronos_ssize_t; +typedef unsigned long long int khronos_usize_t; +#else +typedef signed long int khronos_ssize_t; +typedef unsigned long int khronos_usize_t; +#endif + +#if KHRONOS_SUPPORT_FLOAT +/* + * Float type + */ +typedef float khronos_float_t; +#endif + +#if KHRONOS_SUPPORT_INT64 +/* Time types + * + * These types can be used to represent a time interval in nanoseconds or + * an absolute Unadjusted System Time. Unadjusted System Time is the number + * of nanoseconds since some arbitrary system event (e.g. since the last + * time the system booted). The Unadjusted System Time is an unsigned + * 64 bit value that wraps back to 0 every 584 years. Time intervals + * may be either signed or unsigned. + */ +typedef khronos_uint64_t khronos_utime_nanoseconds_t; +typedef khronos_int64_t khronos_stime_nanoseconds_t; +#endif + +/* + * Dummy value used to pad enum types to 32 bits. + */ +#ifndef KHRONOS_MAX_ENUM +#define KHRONOS_MAX_ENUM 0x7FFFFFFF +#endif + +/* + * Enumerated boolean type + * + * Values other than zero should be considered to be true. Therefore + * comparisons should not be made against KHRONOS_TRUE. + */ +typedef enum { + KHRONOS_FALSE = 0, + KHRONOS_TRUE = 1, + KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM +} khronos_boolean_enum_t; + +#endif /* __khrplatform_h_ */ diff --git a/src/vendor/stb_truetype.c b/src/vendor/stb_truetype.c new file mode 100755 index 0000000..dc22d88 --- /dev/null +++ b/src/vendor/stb_truetype.c @@ -0,0 +1,2 @@ +#define STB_TRUETYPE_IMPLEMENTATION +#include "stb_truetype.h" diff --git a/src/vendor/stb_truetype.h b/src/vendor/stb_truetype.h new file mode 100755 index 0000000..868b2b8 --- /dev/null +++ b/src/vendor/stb_truetype.h @@ -0,0 +1,5077 @@ +// stb_truetype.h - v1.26 - public domain +// authored from 2009-2021 by Sean Barrett / RAD Game Tools +// +// ======================================================================= +// +// NO SECURITY GUARANTEE -- DO NOT USE THIS ON UNTRUSTED FONT FILES +// +// This library does no range checking of the offsets found in the file, +// meaning an attacker can use it to read arbitrary memory. +// +// ======================================================================= +// +// This library processes TrueType files: +// parse files +// extract glyph metrics +// extract glyph shapes +// render glyphs to one-channel bitmaps with antialiasing (box filter) +// render glyphs to one-channel SDF bitmaps (signed-distance field/function) +// +// Todo: +// non-MS cmaps +// crashproof on bad data +// hinting? (no longer patented) +// cleartype-style AA? +// optimize: use simple memory allocator for intermediates +// optimize: build edge-list directly from curves +// optimize: rasterize directly from curves? +// +// ADDITIONAL CONTRIBUTORS +// +// Mikko Mononen: compound shape support, more cmap formats +// Tor Andersson: kerning, subpixel rendering +// Dougall Johnson: OpenType / Type 2 font handling +// Daniel Ribeiro Maciel: basic GPOS-based kerning +// +// Misc other: +// Ryan Gordon +// Simon Glass +// github:IntellectualKitty +// Imanol Celaya +// Daniel Ribeiro Maciel +// +// Bug/warning reports/fixes: +// "Zer" on mollyrocket Fabian "ryg" Giesen github:NiLuJe +// Cass Everitt Martins Mozeiko github:aloucks +// stoiko (Haemimont Games) Cap Petschulat github:oyvindjam +// Brian Hook Omar Cornut github:vassvik +// Walter van Niftrik Ryan Griege +// David Gow Peter LaValle +// David Given Sergey Popov +// Ivan-Assen Ivanov Giumo X. Clanjor +// Anthony Pesch Higor Euripedes +// Johan Duparc Thomas Fields +// Hou Qiming Derek Vinyard +// Rob Loach Cort Stratton +// Kenney Phillis Jr. Brian Costabile +// Ken Voskuil (kaesve) +// +// VERSION HISTORY +// +// 1.26 (2021-08-28) fix broken rasterizer +// 1.25 (2021-07-11) many fixes +// 1.24 (2020-02-05) fix warning +// 1.23 (2020-02-02) query SVG data for glyphs; query whole kerning table (but only kern not GPOS) +// 1.22 (2019-08-11) minimize missing-glyph duplication; fix kerning if both 'GPOS' and 'kern' are defined +// 1.21 (2019-02-25) fix warning +// 1.20 (2019-02-07) PackFontRange skips missing codepoints; GetScaleFontVMetrics() +// 1.19 (2018-02-11) GPOS kerning, STBTT_fmod +// 1.18 (2018-01-29) add missing function +// 1.17 (2017-07-23) make more arguments const; doc fix +// 1.16 (2017-07-12) SDF support +// 1.15 (2017-03-03) make more arguments const +// 1.14 (2017-01-16) num-fonts-in-TTC function +// 1.13 (2017-01-02) support OpenType fonts, certain Apple fonts +// 1.12 (2016-10-25) suppress warnings about casting away const with -Wcast-qual +// 1.11 (2016-04-02) fix unused-variable warning +// 1.10 (2016-04-02) user-defined fabs(); rare memory leak; remove duplicate typedef +// 1.09 (2016-01-16) warning fix; avoid crash on outofmem; use allocation userdata properly +// 1.08 (2015-09-13) document stbtt_Rasterize(); fixes for vertical & horizontal edges +// 1.07 (2015-08-01) allow PackFontRanges to accept arrays of sparse codepoints; +// variant PackFontRanges to pack and render in separate phases; +// fix stbtt_GetFontOFfsetForIndex (never worked for non-0 input?); +// fixed an assert() bug in the new rasterizer +// replace assert() with STBTT_assert() in new rasterizer +// +// Full history can be found at the end of this file. +// +// LICENSE +// +// See end of file for license information. +// +// USAGE +// +// Include this file in whatever places need to refer to it. In ONE C/C++ +// file, write: +// #define STB_TRUETYPE_IMPLEMENTATION +// before the #include of this file. This expands out the actual +// implementation into that C/C++ file. +// +// To make the implementation private to the file that generates the implementation, +// #define STBTT_STATIC +// +// Simple 3D API (don't ship this, but it's fine for tools and quick start) +// stbtt_BakeFontBitmap() -- bake a font to a bitmap for use as texture +// stbtt_GetBakedQuad() -- compute quad to draw for a given char +// +// Improved 3D API (more shippable): +// #include "stb_rect_pack.h" -- optional, but you really want it +// stbtt_PackBegin() +// stbtt_PackSetOversampling() -- for improved quality on small fonts +// stbtt_PackFontRanges() -- pack and renders +// stbtt_PackEnd() +// stbtt_GetPackedQuad() +// +// "Load" a font file from a memory buffer (you have to keep the buffer loaded) +// stbtt_InitFont() +// stbtt_GetFontOffsetForIndex() -- indexing for TTC font collections +// stbtt_GetNumberOfFonts() -- number of fonts for TTC font collections +// +// Render a unicode codepoint to a bitmap +// stbtt_GetCodepointBitmap() -- allocates and returns a bitmap +// stbtt_MakeCodepointBitmap() -- renders into bitmap you provide +// stbtt_GetCodepointBitmapBox() -- how big the bitmap must be +// +// Character advance/positioning +// stbtt_GetCodepointHMetrics() +// stbtt_GetFontVMetrics() +// stbtt_GetFontVMetricsOS2() +// stbtt_GetCodepointKernAdvance() +// +// Starting with version 1.06, the rasterizer was replaced with a new, +// faster and generally-more-precise rasterizer. The new rasterizer more +// accurately measures pixel coverage for anti-aliasing, except in the case +// where multiple shapes overlap, in which case it overestimates the AA pixel +// coverage. Thus, anti-aliasing of intersecting shapes may look wrong. If +// this turns out to be a problem, you can re-enable the old rasterizer with +// #define STBTT_RASTERIZER_VERSION 1 +// which will incur about a 15% speed hit. +// +// ADDITIONAL DOCUMENTATION +// +// Immediately after this block comment are a series of sample programs. +// +// After the sample programs is the "header file" section. This section +// includes documentation for each API function. +// +// Some important concepts to understand to use this library: +// +// Codepoint +// Characters are defined by unicode codepoints, e.g. 65 is +// uppercase A, 231 is lowercase c with a cedilla, 0x7e30 is +// the hiragana for "ma". +// +// Glyph +// A visual character shape (every codepoint is rendered as +// some glyph) +// +// Glyph index +// A font-specific integer ID representing a glyph +// +// Baseline +// Glyph shapes are defined relative to a baseline, which is the +// bottom of uppercase characters. Characters extend both above +// and below the baseline. +// +// Current Point +// As you draw text to the screen, you keep track of a "current point" +// which is the origin of each character. The current point's vertical +// position is the baseline. Even "baked fonts" use this model. +// +// Vertical Font Metrics +// The vertical qualities of the font, used to vertically position +// and space the characters. See docs for stbtt_GetFontVMetrics. +// +// Font Size in Pixels or Points +// The preferred interface for specifying font sizes in stb_truetype +// is to specify how tall the font's vertical extent should be in pixels. +// If that sounds good enough, skip the next paragraph. +// +// Most font APIs instead use "points", which are a common typographic +// measurement for describing font size, defined as 72 points per inch. +// stb_truetype provides a point API for compatibility. However, true +// "per inch" conventions don't make much sense on computer displays +// since different monitors have different number of pixels per +// inch. For example, Windows traditionally uses a convention that +// there are 96 pixels per inch, thus making 'inch' measurements have +// nothing to do with inches, and thus effectively defining a point to +// be 1.333 pixels. Additionally, the TrueType font data provides +// an explicit scale factor to scale a given font's glyphs to points, +// but the author has observed that this scale factor is often wrong +// for non-commercial fonts, thus making fonts scaled in points +// according to the TrueType spec incoherently sized in practice. +// +// DETAILED USAGE: +// +// Scale: +// Select how high you want the font to be, in points or pixels. +// Call ScaleForPixelHeight or ScaleForMappingEmToPixels to compute +// a scale factor SF that will be used by all other functions. +// +// Baseline: +// You need to select a y-coordinate that is the baseline of where +// your text will appear. Call GetFontBoundingBox to get the baseline-relative +// bounding box for all characters. SF*-y0 will be the distance in pixels +// that the worst-case character could extend above the baseline, so if +// you want the top edge of characters to appear at the top of the +// screen where y=0, then you would set the baseline to SF*-y0. +// +// Current point: +// Set the current point where the first character will appear. The +// first character could extend left of the current point; this is font +// dependent. You can either choose a current point that is the leftmost +// point and hope, or add some padding, or check the bounding box or +// left-side-bearing of the first character to be displayed and set +// the current point based on that. +// +// Displaying a character: +// Compute the bounding box of the character. It will contain signed values +// relative to . I.e. if it returns x0,y0,x1,y1, +// then the character should be displayed in the rectangle from +// to = 32 && *text < 128) { + stbtt_aligned_quad q; + stbtt_GetBakedQuad(cdata, 512,512, *text-32, &x,&y,&q,1);//1=opengl & d3d10+,0=d3d9 + glTexCoord2f(q.s0,q.t0); glVertex2f(q.x0,q.y0); + glTexCoord2f(q.s1,q.t0); glVertex2f(q.x1,q.y0); + glTexCoord2f(q.s1,q.t1); glVertex2f(q.x1,q.y1); + glTexCoord2f(q.s0,q.t1); glVertex2f(q.x0,q.y1); + } + ++text; + } + glEnd(); +} +#endif +// +// +////////////////////////////////////////////////////////////////////////////// +// +// Complete program (this compiles): get a single bitmap, print as ASCII art +// +#if 0 +#include +#define STB_TRUETYPE_IMPLEMENTATION // force following include to generate implementation +#include "stb_truetype.h" + +char ttf_buffer[1<<25]; + +int main(int argc, char **argv) +{ + stbtt_fontinfo font; + unsigned char *bitmap; + int w,h,i,j,c = (argc > 1 ? atoi(argv[1]) : 'a'), s = (argc > 2 ? atoi(argv[2]) : 20); + + fread(ttf_buffer, 1, 1<<25, fopen(argc > 3 ? argv[3] : "c:/windows/fonts/arialbd.ttf", "rb")); + + stbtt_InitFont(&font, ttf_buffer, stbtt_GetFontOffsetForIndex(ttf_buffer,0)); + bitmap = stbtt_GetCodepointBitmap(&font, 0,stbtt_ScaleForPixelHeight(&font, s), c, &w, &h, 0,0); + + for (j=0; j < h; ++j) { + for (i=0; i < w; ++i) + putchar(" .:ioVM@"[bitmap[j*w+i]>>5]); + putchar('\n'); + } + return 0; +} +#endif +// +// Output: +// +// .ii. +// @@@@@@. +// V@Mio@@o +// :i. V@V +// :oM@@M +// :@@@MM@M +// @@o o@M +// :@@. M@M +// @@@o@@@@ +// :M@@V:@@. +// +////////////////////////////////////////////////////////////////////////////// +// +// Complete program: print "Hello World!" banner, with bugs +// +#if 0 +char buffer[24<<20]; +unsigned char screen[20][79]; + +int main(int arg, char **argv) +{ + stbtt_fontinfo font; + int i,j,ascent,baseline,ch=0; + float scale, xpos=2; // leave a little padding in case the character extends left + char *text = "Heljo World!"; // intentionally misspelled to show 'lj' brokenness + + fread(buffer, 1, 1000000, fopen("c:/windows/fonts/arialbd.ttf", "rb")); + stbtt_InitFont(&font, buffer, 0); + + scale = stbtt_ScaleForPixelHeight(&font, 15); + stbtt_GetFontVMetrics(&font, &ascent,0,0); + baseline = (int) (ascent*scale); + + while (text[ch]) { + int advance,lsb,x0,y0,x1,y1; + float x_shift = xpos - (float) floor(xpos); + stbtt_GetCodepointHMetrics(&font, text[ch], &advance, &lsb); + stbtt_GetCodepointBitmapBoxSubpixel(&font, text[ch], scale,scale,x_shift,0, &x0,&y0,&x1,&y1); + stbtt_MakeCodepointBitmapSubpixel(&font, &screen[baseline + y0][(int) xpos + x0], x1-x0,y1-y0, 79, scale,scale,x_shift,0, text[ch]); + // note that this stomps the old data, so where character boxes overlap (e.g. 'lj') it's wrong + // because this API is really for baking character bitmaps into textures. if you want to render + // a sequence of characters, you really need to render each bitmap to a temp buffer, then + // "alpha blend" that into the working buffer + xpos += (advance * scale); + if (text[ch+1]) + xpos += scale*stbtt_GetCodepointKernAdvance(&font, text[ch],text[ch+1]); + ++ch; + } + + for (j=0; j < 20; ++j) { + for (i=0; i < 78; ++i) + putchar(" .:ioVM@"[screen[j][i]>>5]); + putchar('\n'); + } + + return 0; +} +#endif + + +////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////// +//// +//// INTEGRATION WITH YOUR CODEBASE +//// +//// The following sections allow you to supply alternate definitions +//// of C library functions used by stb_truetype, e.g. if you don't +//// link with the C runtime library. + +#ifdef STB_TRUETYPE_IMPLEMENTATION + // #define your own (u)stbtt_int8/16/32 before including to override this + #ifndef stbtt_uint8 + typedef unsigned char stbtt_uint8; + typedef signed char stbtt_int8; + typedef unsigned short stbtt_uint16; + typedef signed short stbtt_int16; + typedef unsigned int stbtt_uint32; + typedef signed int stbtt_int32; + #endif + + typedef char stbtt__check_size32[sizeof(stbtt_int32)==4 ? 1 : -1]; + typedef char stbtt__check_size16[sizeof(stbtt_int16)==2 ? 1 : -1]; + + // e.g. #define your own STBTT_ifloor/STBTT_iceil() to avoid math.h + #ifndef STBTT_ifloor + #include + #define STBTT_ifloor(x) ((int) floor(x)) + #define STBTT_iceil(x) ((int) ceil(x)) + #endif + + #ifndef STBTT_sqrt + #include + #define STBTT_sqrt(x) sqrt(x) + #define STBTT_pow(x,y) pow(x,y) + #endif + + #ifndef STBTT_fmod + #include + #define STBTT_fmod(x,y) fmod(x,y) + #endif + + #ifndef STBTT_cos + #include + #define STBTT_cos(x) cos(x) + #define STBTT_acos(x) acos(x) + #endif + + #ifndef STBTT_fabs + #include + #define STBTT_fabs(x) fabs(x) + #endif + + // #define your own functions "STBTT_malloc" / "STBTT_free" to avoid malloc.h + #ifndef STBTT_malloc + #include + #define STBTT_malloc(x,u) ((void)(u),malloc(x)) + #define STBTT_free(x,u) ((void)(u),free(x)) + #endif + + #ifndef STBTT_assert + #include + #define STBTT_assert(x) assert(x) + #endif + + #ifndef STBTT_strlen + #include + #define STBTT_strlen(x) strlen(x) + #endif + + #ifndef STBTT_memcpy + #include + #define STBTT_memcpy memcpy + #define STBTT_memset memset + #endif +#endif + +/////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// +//// +//// INTERFACE +//// +//// + +#ifndef __STB_INCLUDE_STB_TRUETYPE_H__ +#define __STB_INCLUDE_STB_TRUETYPE_H__ + +#ifdef STBTT_STATIC +#define STBTT_DEF static +#else +#define STBTT_DEF extern +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +// private structure +typedef struct stbtt__buf +{ + unsigned char *data; + int cursor; + int size; +} stbtt__buf; + +////////////////////////////////////////////////////////////////////////////// +// +// TEXTURE BAKING API +// +// If you use this API, you only have to call two functions ever. +// + +typedef struct stbtt_bakedchar +{ + unsigned short x0,y0,x1,y1; // coordinates of bbox in bitmap + float xoff,yoff,xadvance; +} stbtt_bakedchar; + +STBTT_DEF int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) + float pixel_height, // height of font in pixels + unsigned char *pixels, int pw, int ph, // bitmap to be filled in + int first_char, int num_chars, // characters to bake + stbtt_bakedchar *chardata); // you allocate this, it's num_chars long +// if return is positive, the first unused row of the bitmap +// if return is negative, returns the negative of the number of characters that fit +// if return is 0, no characters fit and no rows were used +// This uses a very crappy packing. + +typedef struct stbtt_aligned_quad +{ + float x0,y0,s0,t0; // top-left + float x1,y1,s1,t1; // bottom-right +} stbtt_aligned_quad; + +STBTT_DEF void stbtt_GetBakedQuad(const stbtt_bakedchar *chardata, int pw, int ph, // same data as above + int char_index, // character to display + float *xpos, float *ypos, // pointers to current position in screen pixel space + stbtt_aligned_quad *q, // output: quad to draw + int opengl_fillrule); // true if opengl fill rule; false if DX9 or earlier +// Call GetBakedQuad with char_index = 'character - first_char', and it +// creates the quad you need to draw and advances the current position. +// +// The coordinate system used assumes y increases downwards. +// +// Characters will extend both above and below the current position; +// see discussion of "BASELINE" above. +// +// It's inefficient; you might want to c&p it and optimize it. + +STBTT_DEF void stbtt_GetScaledFontVMetrics(const unsigned char *fontdata, int index, float size, float *ascent, float *descent, float *lineGap); +// Query the font vertical metrics without having to create a font first. + + +////////////////////////////////////////////////////////////////////////////// +// +// NEW TEXTURE BAKING API +// +// This provides options for packing multiple fonts into one atlas, not +// perfectly but better than nothing. + +typedef struct stbtt_packedchar +{ + unsigned short x0,y0,x1,y1; // coordinates of bbox in bitmap + float xoff,yoff,xadvance; + float xoff2,yoff2; +} stbtt_packedchar; + +typedef struct stbtt_pack_context stbtt_pack_context; +typedef struct stbtt_fontinfo stbtt_fontinfo; +#ifndef STB_RECT_PACK_VERSION +typedef struct stbrp_rect stbrp_rect; +#endif + +STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int width, int height, int stride_in_bytes, int padding, void *alloc_context); +// Initializes a packing context stored in the passed-in stbtt_pack_context. +// Future calls using this context will pack characters into the bitmap passed +// in here: a 1-channel bitmap that is width * height. stride_in_bytes is +// the distance from one row to the next (or 0 to mean they are packed tightly +// together). "padding" is the amount of padding to leave between each +// character (normally you want '1' for bitmaps you'll use as textures with +// bilinear filtering). +// +// Returns 0 on failure, 1 on success. + +STBTT_DEF void stbtt_PackEnd (stbtt_pack_context *spc); +// Cleans up the packing context and frees all memory. + +#define STBTT_POINT_SIZE(x) (-(x)) + +STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, float font_size, + int first_unicode_char_in_range, int num_chars_in_range, stbtt_packedchar *chardata_for_range); +// Creates character bitmaps from the font_index'th font found in fontdata (use +// font_index=0 if you don't know what that is). It creates num_chars_in_range +// bitmaps for characters with unicode values starting at first_unicode_char_in_range +// and increasing. Data for how to render them is stored in chardata_for_range; +// pass these to stbtt_GetPackedQuad to get back renderable quads. +// +// font_size is the full height of the character from ascender to descender, +// as computed by stbtt_ScaleForPixelHeight. To use a point size as computed +// by stbtt_ScaleForMappingEmToPixels, wrap the point size in STBTT_POINT_SIZE() +// and pass that result as 'font_size': +// ..., 20 , ... // font max minus min y is 20 pixels tall +// ..., STBTT_POINT_SIZE(20), ... // 'M' is 20 pixels tall + +typedef struct stbtt_pack_range +{ + float font_size; + int first_unicode_codepoint_in_range; // if non-zero, then the chars are continuous, and this is the first codepoint + int *array_of_unicode_codepoints; // if non-zero, then this is an array of unicode codepoints + int num_chars; + stbtt_packedchar *chardata_for_range; // output + unsigned char h_oversample, v_oversample; // don't set these, they're used internally +} stbtt_pack_range; + +STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges); +// Creates character bitmaps from multiple ranges of characters stored in +// ranges. This will usually create a better-packed bitmap than multiple +// calls to stbtt_PackFontRange. Note that you can call this multiple +// times within a single PackBegin/PackEnd. + +STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample); +// Oversampling a font increases the quality by allowing higher-quality subpixel +// positioning, and is especially valuable at smaller text sizes. +// +// This function sets the amount of oversampling for all following calls to +// stbtt_PackFontRange(s) or stbtt_PackFontRangesGatherRects for a given +// pack context. The default (no oversampling) is achieved by h_oversample=1 +// and v_oversample=1. The total number of pixels required is +// h_oversample*v_oversample larger than the default; for example, 2x2 +// oversampling requires 4x the storage of 1x1. For best results, render +// oversampled textures with bilinear filtering. Look at the readme in +// stb/tests/oversample for information about oversampled fonts +// +// To use with PackFontRangesGather etc., you must set it before calls +// call to PackFontRangesGatherRects. + +STBTT_DEF void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *spc, int skip); +// If skip != 0, this tells stb_truetype to skip any codepoints for which +// there is no corresponding glyph. If skip=0, which is the default, then +// codepoints without a glyph recived the font's "missing character" glyph, +// typically an empty box by convention. + +STBTT_DEF void stbtt_GetPackedQuad(const stbtt_packedchar *chardata, int pw, int ph, // same data as above + int char_index, // character to display + float *xpos, float *ypos, // pointers to current position in screen pixel space + stbtt_aligned_quad *q, // output: quad to draw + int align_to_integer); + +STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects); +STBTT_DEF void stbtt_PackFontRangesPackRects(stbtt_pack_context *spc, stbrp_rect *rects, int num_rects); +STBTT_DEF int stbtt_PackFontRangesRenderIntoRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects); +// Calling these functions in sequence is roughly equivalent to calling +// stbtt_PackFontRanges(). If you more control over the packing of multiple +// fonts, or if you want to pack custom data into a font texture, take a look +// at the source to of stbtt_PackFontRanges() and create a custom version +// using these functions, e.g. call GatherRects multiple times, +// building up a single array of rects, then call PackRects once, +// then call RenderIntoRects repeatedly. This may result in a +// better packing than calling PackFontRanges multiple times +// (or it may not). + +// this is an opaque structure that you shouldn't mess with which holds +// all the context needed from PackBegin to PackEnd. +struct stbtt_pack_context { + void *user_allocator_context; + void *pack_info; + int width; + int height; + int stride_in_bytes; + int padding; + int skip_missing; + unsigned int h_oversample, v_oversample; + unsigned char *pixels; + void *nodes; +}; + +////////////////////////////////////////////////////////////////////////////// +// +// FONT LOADING +// +// + +STBTT_DEF int stbtt_GetNumberOfFonts(const unsigned char *data); +// This function will determine the number of fonts in a font file. TrueType +// collection (.ttc) files may contain multiple fonts, while TrueType font +// (.ttf) files only contain one font. The number of fonts can be used for +// indexing with the previous function where the index is between zero and one +// less than the total fonts. If an error occurs, -1 is returned. + +STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index); +// Each .ttf/.ttc file may have more than one font. Each font has a sequential +// index number starting from 0. Call this function to get the font offset for +// a given index; it returns -1 if the index is out of range. A regular .ttf +// file will only define one font and it always be at offset 0, so it will +// return '0' for index 0, and -1 for all other indices. + +// The following structure is defined publicly so you can declare one on +// the stack or as a global or etc, but you should treat it as opaque. +struct stbtt_fontinfo +{ + void * userdata; + unsigned char * data; // pointer to .ttf file + int fontstart; // offset of start of font + + int numGlyphs; // number of glyphs, needed for range checking + + int loca,head,glyf,hhea,hmtx,kern,gpos,svg; // table locations as offset from start of .ttf + int index_map; // a cmap mapping for our chosen character encoding + int indexToLocFormat; // format needed to map from glyph index to glyph + + stbtt__buf cff; // cff font data + stbtt__buf charstrings; // the charstring index + stbtt__buf gsubrs; // global charstring subroutines index + stbtt__buf subrs; // private charstring subroutines index + stbtt__buf fontdicts; // array of font dicts + stbtt__buf fdselect; // map from glyph to fontdict +}; + +STBTT_DEF int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int offset); +// Given an offset into the file that defines a font, this function builds +// the necessary cached info for the rest of the system. You must allocate +// the stbtt_fontinfo yourself, and stbtt_InitFont will fill it out. You don't +// need to do anything special to free it, because the contents are pure +// value data with no additional data structures. Returns 0 on failure. + + +////////////////////////////////////////////////////////////////////////////// +// +// CHARACTER TO GLYPH-INDEX CONVERSIOn + +STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint); +// If you're going to perform multiple operations on the same character +// and you want a speed-up, call this function with the character you're +// going to process, then use glyph-based functions instead of the +// codepoint-based functions. +// Returns 0 if the character codepoint is not defined in the font. + + +////////////////////////////////////////////////////////////////////////////// +// +// CHARACTER PROPERTIES +// + +STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float pixels); +// computes a scale factor to produce a font whose "height" is 'pixels' tall. +// Height is measured as the distance from the highest ascender to the lowest +// descender; in other words, it's equivalent to calling stbtt_GetFontVMetrics +// and computing: +// scale = pixels / (ascent - descent) +// so if you prefer to measure height by the ascent only, use a similar calculation. + +STBTT_DEF float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels); +// computes a scale factor to produce a font whose EM size is mapped to +// 'pixels' tall. This is probably what traditional APIs compute, but +// I'm not positive. + +STBTT_DEF void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap); +// ascent is the coordinate above the baseline the font extends; descent +// is the coordinate below the baseline the font extends (i.e. it is typically negative) +// lineGap is the spacing between one row's descent and the next row's ascent... +// so you should advance the vertical position by "*ascent - *descent + *lineGap" +// these are expressed in unscaled coordinates, so you must multiply by +// the scale factor for a given size + +STBTT_DEF int stbtt_GetFontVMetricsOS2(const stbtt_fontinfo *info, int *typoAscent, int *typoDescent, int *typoLineGap); +// analogous to GetFontVMetrics, but returns the "typographic" values from the OS/2 +// table (specific to MS/Windows TTF files). +// +// Returns 1 on success (table present), 0 on failure. + +STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1); +// the bounding box around all possible characters + +STBTT_DEF void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing); +// leftSideBearing is the offset from the current horizontal position to the left edge of the character +// advanceWidth is the offset from the current horizontal position to the next horizontal position +// these are expressed in unscaled coordinates + +STBTT_DEF int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2); +// an additional amount to add to the 'advance' value between ch1 and ch2 + +STBTT_DEF int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1); +// Gets the bounding box of the visible part of the glyph, in unscaled coordinates + +STBTT_DEF void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing); +STBTT_DEF int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2); +STBTT_DEF int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1); +// as above, but takes one or more glyph indices for greater efficiency + +typedef struct stbtt_kerningentry +{ + int glyph1; // use stbtt_FindGlyphIndex + int glyph2; + int advance; +} stbtt_kerningentry; + +STBTT_DEF int stbtt_GetKerningTableLength(const stbtt_fontinfo *info); +STBTT_DEF int stbtt_GetKerningTable(const stbtt_fontinfo *info, stbtt_kerningentry* table, int table_length); +// Retrieves a complete list of all of the kerning pairs provided by the font +// stbtt_GetKerningTable never writes more than table_length entries and returns how many entries it did write. +// The table will be sorted by (a.glyph1 == b.glyph1)?(a.glyph2 < b.glyph2):(a.glyph1 < b.glyph1) + +////////////////////////////////////////////////////////////////////////////// +// +// GLYPH SHAPES (you probably don't need these, but they have to go before +// the bitmaps for C declaration-order reasons) +// + +#ifndef STBTT_vmove // you can predefine these to use different values (but why?) + enum { + STBTT_vmove=1, + STBTT_vline, + STBTT_vcurve, + STBTT_vcubic + }; +#endif + +#ifndef stbtt_vertex // you can predefine this to use different values + // (we share this with other code at RAD) + #define stbtt_vertex_type short // can't use stbtt_int16 because that's not visible in the header file + typedef struct stbtt_vertex + { + stbtt_vertex_type x,y,cx,cy,cx1,cy1; + unsigned char type,padding; + } stbtt_vertex; +#endif + +STBTT_DEF int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index); +// returns non-zero if nothing is drawn for this glyph + +STBTT_DEF int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices); +STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **vertices); +// returns # of vertices and fills *vertices with the pointer to them +// these are expressed in "unscaled" coordinates +// +// The shape is a series of contours. Each one starts with +// a STBTT_moveto, then consists of a series of mixed +// STBTT_lineto and STBTT_curveto segments. A lineto +// draws a line from previous endpoint to its x,y; a curveto +// draws a quadratic bezier from previous endpoint to +// its x,y, using cx,cy as the bezier control point. + +STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *vertices); +// frees the data allocated above + +STBTT_DEF unsigned char *stbtt_FindSVGDoc(const stbtt_fontinfo *info, int gl); +STBTT_DEF int stbtt_GetCodepointSVG(const stbtt_fontinfo *info, int unicode_codepoint, const char **svg); +STBTT_DEF int stbtt_GetGlyphSVG(const stbtt_fontinfo *info, int gl, const char **svg); +// fills svg with the character's SVG data. +// returns data size or 0 if SVG not found. + +////////////////////////////////////////////////////////////////////////////// +// +// BITMAP RENDERING +// + +STBTT_DEF void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata); +// frees the bitmap allocated below + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff); +// allocates a large-enough single-channel 8bpp bitmap and renders the +// specified character/glyph at the specified scale into it, with +// antialiasing. 0 is no coverage (transparent), 255 is fully covered (opaque). +// *width & *height are filled out with the width & height of the bitmap, +// which is stored left-to-right, top-to-bottom. +// +// xoff/yoff are the offset it pixel space from the glyph origin to the top-left of the bitmap + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff); +// the same as stbtt_GetCodepoitnBitmap, but you can specify a subpixel +// shift for the character + +STBTT_DEF void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint); +// the same as stbtt_GetCodepointBitmap, but you pass in storage for the bitmap +// in the form of 'output', with row spacing of 'out_stride' bytes. the bitmap +// is clipped to out_w/out_h bytes. Call stbtt_GetCodepointBitmapBox to get the +// width and height and positioning info for it first. + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint); +// same as stbtt_MakeCodepointBitmap, but you can specify a subpixel +// shift for the character + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int oversample_x, int oversample_y, float *sub_x, float *sub_y, int codepoint); +// same as stbtt_MakeCodepointBitmapSubpixel, but prefiltering +// is performed (see stbtt_PackSetOversampling) + +STBTT_DEF void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); +// get the bbox of the bitmap centered around the glyph origin; so the +// bitmap width is ix1-ix0, height is iy1-iy0, and location to place +// the bitmap top left is (leftSideBearing*scale,iy0). +// (Note that the bitmap uses y-increases-down, but the shape uses +// y-increases-up, so CodepointBitmapBox and CodepointBox are inverted.) + +STBTT_DEF void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); +// same as stbtt_GetCodepointBitmapBox, but you can specify a subpixel +// shift for the character + +// the following functions are equivalent to the above functions, but operate +// on glyph indices instead of Unicode codepoints (for efficiency) +STBTT_DEF unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph); +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph); +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int oversample_x, int oversample_y, float *sub_x, float *sub_y, int glyph); +STBTT_DEF void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); +STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); + + +// @TODO: don't expose this structure +typedef struct stbtt__bitmap +{ + int w,h,stride; + unsigned char *pixels; +} stbtt__bitmap; + +// rasterize a shape with quadratic beziers into a bitmap +STBTT_DEF void stbtt_Rasterize(stbtt__bitmap *result, // 1-channel bitmap to draw into + float flatness_in_pixels, // allowable error of curve in pixels + stbtt_vertex *vertices, // array of vertices defining shape + int num_verts, // number of vertices in above array + float scale_x, float scale_y, // scale applied to input vertices + float shift_x, float shift_y, // translation applied to input vertices + int x_off, int y_off, // another translation applied to input + int invert, // if non-zero, vertically flip shape + void *userdata); // context for to STBTT_MALLOC + +////////////////////////////////////////////////////////////////////////////// +// +// Signed Distance Function (or Field) rendering + +STBTT_DEF void stbtt_FreeSDF(unsigned char *bitmap, void *userdata); +// frees the SDF bitmap allocated below + +STBTT_DEF unsigned char * stbtt_GetGlyphSDF(const stbtt_fontinfo *info, float scale, int glyph, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char * stbtt_GetCodepointSDF(const stbtt_fontinfo *info, float scale, int codepoint, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff); +// These functions compute a discretized SDF field for a single character, suitable for storing +// in a single-channel texture, sampling with bilinear filtering, and testing against +// larger than some threshold to produce scalable fonts. +// info -- the font +// scale -- controls the size of the resulting SDF bitmap, same as it would be creating a regular bitmap +// glyph/codepoint -- the character to generate the SDF for +// padding -- extra "pixels" around the character which are filled with the distance to the character (not 0), +// which allows effects like bit outlines +// onedge_value -- value 0-255 to test the SDF against to reconstruct the character (i.e. the isocontour of the character) +// pixel_dist_scale -- what value the SDF should increase by when moving one SDF "pixel" away from the edge (on the 0..255 scale) +// if positive, > onedge_value is inside; if negative, < onedge_value is inside +// width,height -- output height & width of the SDF bitmap (including padding) +// xoff,yoff -- output origin of the character +// return value -- a 2D array of bytes 0..255, width*height in size +// +// pixel_dist_scale & onedge_value are a scale & bias that allows you to make +// optimal use of the limited 0..255 for your application, trading off precision +// and special effects. SDF values outside the range 0..255 are clamped to 0..255. +// +// Example: +// scale = stbtt_ScaleForPixelHeight(22) +// padding = 5 +// onedge_value = 180 +// pixel_dist_scale = 180/5.0 = 36.0 +// +// This will create an SDF bitmap in which the character is about 22 pixels +// high but the whole bitmap is about 22+5+5=32 pixels high. To produce a filled +// shape, sample the SDF at each pixel and fill the pixel if the SDF value +// is greater than or equal to 180/255. (You'll actually want to antialias, +// which is beyond the scope of this example.) Additionally, you can compute +// offset outlines (e.g. to stroke the character border inside & outside, +// or only outside). For example, to fill outside the character up to 3 SDF +// pixels, you would compare against (180-36.0*3)/255 = 72/255. The above +// choice of variables maps a range from 5 pixels outside the shape to +// 2 pixels inside the shape to 0..255; this is intended primarily for apply +// outside effects only (the interior range is needed to allow proper +// antialiasing of the font at *smaller* sizes) +// +// The function computes the SDF analytically at each SDF pixel, not by e.g. +// building a higher-res bitmap and approximating it. In theory the quality +// should be as high as possible for an SDF of this size & representation, but +// unclear if this is true in practice (perhaps building a higher-res bitmap +// and computing from that can allow drop-out prevention). +// +// The algorithm has not been optimized at all, so expect it to be slow +// if computing lots of characters or very large sizes. + + + +////////////////////////////////////////////////////////////////////////////// +// +// Finding the right font... +// +// You should really just solve this offline, keep your own tables +// of what font is what, and don't try to get it out of the .ttf file. +// That's because getting it out of the .ttf file is really hard, because +// the names in the file can appear in many possible encodings, in many +// possible languages, and e.g. if you need a case-insensitive comparison, +// the details of that depend on the encoding & language in a complex way +// (actually underspecified in truetype, but also gigantic). +// +// But you can use the provided functions in two possible ways: +// stbtt_FindMatchingFont() will use *case-sensitive* comparisons on +// unicode-encoded names to try to find the font you want; +// you can run this before calling stbtt_InitFont() +// +// stbtt_GetFontNameString() lets you get any of the various strings +// from the file yourself and do your own comparisons on them. +// You have to have called stbtt_InitFont() first. + + +STBTT_DEF int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *name, int flags); +// returns the offset (not index) of the font that matches, or -1 if none +// if you use STBTT_MACSTYLE_DONTCARE, use a font name like "Arial Bold". +// if you use any other flag, use a font name like "Arial"; this checks +// the 'macStyle' header field; i don't know if fonts set this consistently +#define STBTT_MACSTYLE_DONTCARE 0 +#define STBTT_MACSTYLE_BOLD 1 +#define STBTT_MACSTYLE_ITALIC 2 +#define STBTT_MACSTYLE_UNDERSCORE 4 +#define STBTT_MACSTYLE_NONE 8 // <= not same as 0, this makes us check the bitfield is 0 + +STBTT_DEF int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2); +// returns 1/0 whether the first string interpreted as utf8 is identical to +// the second string interpreted as big-endian utf16... useful for strings from next func + +STBTT_DEF const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID); +// returns the string (which may be big-endian double byte, e.g. for unicode) +// and puts the length in bytes in *length. +// +// some of the values for the IDs are below; for more see the truetype spec: +// http://developer.apple.com/textfonts/TTRefMan/RM06/Chap6name.html +// http://www.microsoft.com/typography/otspec/name.htm + +enum { // platformID + STBTT_PLATFORM_ID_UNICODE =0, + STBTT_PLATFORM_ID_MAC =1, + STBTT_PLATFORM_ID_ISO =2, + STBTT_PLATFORM_ID_MICROSOFT =3 +}; + +enum { // encodingID for STBTT_PLATFORM_ID_UNICODE + STBTT_UNICODE_EID_UNICODE_1_0 =0, + STBTT_UNICODE_EID_UNICODE_1_1 =1, + STBTT_UNICODE_EID_ISO_10646 =2, + STBTT_UNICODE_EID_UNICODE_2_0_BMP=3, + STBTT_UNICODE_EID_UNICODE_2_0_FULL=4 +}; + +enum { // encodingID for STBTT_PLATFORM_ID_MICROSOFT + STBTT_MS_EID_SYMBOL =0, + STBTT_MS_EID_UNICODE_BMP =1, + STBTT_MS_EID_SHIFTJIS =2, + STBTT_MS_EID_UNICODE_FULL =10 +}; + +enum { // encodingID for STBTT_PLATFORM_ID_MAC; same as Script Manager codes + STBTT_MAC_EID_ROMAN =0, STBTT_MAC_EID_ARABIC =4, + STBTT_MAC_EID_JAPANESE =1, STBTT_MAC_EID_HEBREW =5, + STBTT_MAC_EID_CHINESE_TRAD =2, STBTT_MAC_EID_GREEK =6, + STBTT_MAC_EID_KOREAN =3, STBTT_MAC_EID_RUSSIAN =7 +}; + +enum { // languageID for STBTT_PLATFORM_ID_MICROSOFT; same as LCID... + // problematic because there are e.g. 16 english LCIDs and 16 arabic LCIDs + STBTT_MS_LANG_ENGLISH =0x0409, STBTT_MS_LANG_ITALIAN =0x0410, + STBTT_MS_LANG_CHINESE =0x0804, STBTT_MS_LANG_JAPANESE =0x0411, + STBTT_MS_LANG_DUTCH =0x0413, STBTT_MS_LANG_KOREAN =0x0412, + STBTT_MS_LANG_FRENCH =0x040c, STBTT_MS_LANG_RUSSIAN =0x0419, + STBTT_MS_LANG_GERMAN =0x0407, STBTT_MS_LANG_SPANISH =0x0409, + STBTT_MS_LANG_HEBREW =0x040d, STBTT_MS_LANG_SWEDISH =0x041D +}; + +enum { // languageID for STBTT_PLATFORM_ID_MAC + STBTT_MAC_LANG_ENGLISH =0 , STBTT_MAC_LANG_JAPANESE =11, + STBTT_MAC_LANG_ARABIC =12, STBTT_MAC_LANG_KOREAN =23, + STBTT_MAC_LANG_DUTCH =4 , STBTT_MAC_LANG_RUSSIAN =32, + STBTT_MAC_LANG_FRENCH =1 , STBTT_MAC_LANG_SPANISH =6 , + STBTT_MAC_LANG_GERMAN =2 , STBTT_MAC_LANG_SWEDISH =5 , + STBTT_MAC_LANG_HEBREW =10, STBTT_MAC_LANG_CHINESE_SIMPLIFIED =33, + STBTT_MAC_LANG_ITALIAN =3 , STBTT_MAC_LANG_CHINESE_TRAD =19 +}; + +#ifdef __cplusplus +} +#endif + +#endif // __STB_INCLUDE_STB_TRUETYPE_H__ + +/////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// +//// +//// IMPLEMENTATION +//// +//// + +#ifdef STB_TRUETYPE_IMPLEMENTATION + +#ifndef STBTT_MAX_OVERSAMPLE +#define STBTT_MAX_OVERSAMPLE 8 +#endif + +#if STBTT_MAX_OVERSAMPLE > 255 +#error "STBTT_MAX_OVERSAMPLE cannot be > 255" +#endif + +typedef int stbtt__test_oversample_pow2[(STBTT_MAX_OVERSAMPLE & (STBTT_MAX_OVERSAMPLE-1)) == 0 ? 1 : -1]; + +#ifndef STBTT_RASTERIZER_VERSION +#define STBTT_RASTERIZER_VERSION 2 +#endif + +#ifdef _MSC_VER +#define STBTT__NOTUSED(v) (void)(v) +#else +#define STBTT__NOTUSED(v) (void)sizeof(v) +#endif + +////////////////////////////////////////////////////////////////////////// +// +// stbtt__buf helpers to parse data from file +// + +static stbtt_uint8 stbtt__buf_get8(stbtt__buf *b) +{ + if (b->cursor >= b->size) + return 0; + return b->data[b->cursor++]; +} + +static stbtt_uint8 stbtt__buf_peek8(stbtt__buf *b) +{ + if (b->cursor >= b->size) + return 0; + return b->data[b->cursor]; +} + +static void stbtt__buf_seek(stbtt__buf *b, int o) +{ + STBTT_assert(!(o > b->size || o < 0)); + b->cursor = (o > b->size || o < 0) ? b->size : o; +} + +static void stbtt__buf_skip(stbtt__buf *b, int o) +{ + stbtt__buf_seek(b, b->cursor + o); +} + +static stbtt_uint32 stbtt__buf_get(stbtt__buf *b, int n) +{ + stbtt_uint32 v = 0; + int i; + STBTT_assert(n >= 1 && n <= 4); + for (i = 0; i < n; i++) + v = (v << 8) | stbtt__buf_get8(b); + return v; +} + +static stbtt__buf stbtt__new_buf(const void *p, size_t size) +{ + stbtt__buf r; + STBTT_assert(size < 0x40000000); + r.data = (stbtt_uint8*) p; + r.size = (int) size; + r.cursor = 0; + return r; +} + +#define stbtt__buf_get16(b) stbtt__buf_get((b), 2) +#define stbtt__buf_get32(b) stbtt__buf_get((b), 4) + +static stbtt__buf stbtt__buf_range(const stbtt__buf *b, int o, int s) +{ + stbtt__buf r = stbtt__new_buf(NULL, 0); + if (o < 0 || s < 0 || o > b->size || s > b->size - o) return r; + r.data = b->data + o; + r.size = s; + return r; +} + +static stbtt__buf stbtt__cff_get_index(stbtt__buf *b) +{ + int count, start, offsize; + start = b->cursor; + count = stbtt__buf_get16(b); + if (count) { + offsize = stbtt__buf_get8(b); + STBTT_assert(offsize >= 1 && offsize <= 4); + stbtt__buf_skip(b, offsize * count); + stbtt__buf_skip(b, stbtt__buf_get(b, offsize) - 1); + } + return stbtt__buf_range(b, start, b->cursor - start); +} + +static stbtt_uint32 stbtt__cff_int(stbtt__buf *b) +{ + int b0 = stbtt__buf_get8(b); + if (b0 >= 32 && b0 <= 246) return b0 - 139; + else if (b0 >= 247 && b0 <= 250) return (b0 - 247)*256 + stbtt__buf_get8(b) + 108; + else if (b0 >= 251 && b0 <= 254) return -(b0 - 251)*256 - stbtt__buf_get8(b) - 108; + else if (b0 == 28) return stbtt__buf_get16(b); + else if (b0 == 29) return stbtt__buf_get32(b); + STBTT_assert(0); + return 0; +} + +static void stbtt__cff_skip_operand(stbtt__buf *b) { + int v, b0 = stbtt__buf_peek8(b); + STBTT_assert(b0 >= 28); + if (b0 == 30) { + stbtt__buf_skip(b, 1); + while (b->cursor < b->size) { + v = stbtt__buf_get8(b); + if ((v & 0xF) == 0xF || (v >> 4) == 0xF) + break; + } + } else { + stbtt__cff_int(b); + } +} + +static stbtt__buf stbtt__dict_get(stbtt__buf *b, int key) +{ + stbtt__buf_seek(b, 0); + while (b->cursor < b->size) { + int start = b->cursor, end, op; + while (stbtt__buf_peek8(b) >= 28) + stbtt__cff_skip_operand(b); + end = b->cursor; + op = stbtt__buf_get8(b); + if (op == 12) op = stbtt__buf_get8(b) | 0x100; + if (op == key) return stbtt__buf_range(b, start, end-start); + } + return stbtt__buf_range(b, 0, 0); +} + +static void stbtt__dict_get_ints(stbtt__buf *b, int key, int outcount, stbtt_uint32 *out) +{ + int i; + stbtt__buf operands = stbtt__dict_get(b, key); + for (i = 0; i < outcount && operands.cursor < operands.size; i++) + out[i] = stbtt__cff_int(&operands); +} + +static int stbtt__cff_index_count(stbtt__buf *b) +{ + stbtt__buf_seek(b, 0); + return stbtt__buf_get16(b); +} + +static stbtt__buf stbtt__cff_index_get(stbtt__buf b, int i) +{ + int count, offsize, start, end; + stbtt__buf_seek(&b, 0); + count = stbtt__buf_get16(&b); + offsize = stbtt__buf_get8(&b); + STBTT_assert(i >= 0 && i < count); + STBTT_assert(offsize >= 1 && offsize <= 4); + stbtt__buf_skip(&b, i*offsize); + start = stbtt__buf_get(&b, offsize); + end = stbtt__buf_get(&b, offsize); + return stbtt__buf_range(&b, 2+(count+1)*offsize+start, end - start); +} + +////////////////////////////////////////////////////////////////////////// +// +// accessors to parse data from file +// + +// on platforms that don't allow misaligned reads, if we want to allow +// truetype fonts that aren't padded to alignment, define ALLOW_UNALIGNED_TRUETYPE + +#define ttBYTE(p) (* (stbtt_uint8 *) (p)) +#define ttCHAR(p) (* (stbtt_int8 *) (p)) +#define ttFixed(p) ttLONG(p) + +static stbtt_uint16 ttUSHORT(stbtt_uint8 *p) { return p[0]*256 + p[1]; } +static stbtt_int16 ttSHORT(stbtt_uint8 *p) { return p[0]*256 + p[1]; } +static stbtt_uint32 ttULONG(stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } +static stbtt_int32 ttLONG(stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } + +#define stbtt_tag4(p,c0,c1,c2,c3) ((p)[0] == (c0) && (p)[1] == (c1) && (p)[2] == (c2) && (p)[3] == (c3)) +#define stbtt_tag(p,str) stbtt_tag4(p,str[0],str[1],str[2],str[3]) + +static int stbtt__isfont(stbtt_uint8 *font) +{ + // check the version number + if (stbtt_tag4(font, '1',0,0,0)) return 1; // TrueType 1 + if (stbtt_tag(font, "typ1")) return 1; // TrueType with type 1 font -- we don't support this! + if (stbtt_tag(font, "OTTO")) return 1; // OpenType with CFF + if (stbtt_tag4(font, 0,1,0,0)) return 1; // OpenType 1.0 + if (stbtt_tag(font, "true")) return 1; // Apple specification for TrueType fonts + return 0; +} + +// @OPTIMIZE: binary search +static stbtt_uint32 stbtt__find_table(stbtt_uint8 *data, stbtt_uint32 fontstart, const char *tag) +{ + stbtt_int32 num_tables = ttUSHORT(data+fontstart+4); + stbtt_uint32 tabledir = fontstart + 12; + stbtt_int32 i; + for (i=0; i < num_tables; ++i) { + stbtt_uint32 loc = tabledir + 16*i; + if (stbtt_tag(data+loc+0, tag)) + return ttULONG(data+loc+8); + } + return 0; +} + +static int stbtt_GetFontOffsetForIndex_internal(unsigned char *font_collection, int index) +{ + // if it's just a font, there's only one valid index + if (stbtt__isfont(font_collection)) + return index == 0 ? 0 : -1; + + // check if it's a TTC + if (stbtt_tag(font_collection, "ttcf")) { + // version 1? + if (ttULONG(font_collection+4) == 0x00010000 || ttULONG(font_collection+4) == 0x00020000) { + stbtt_int32 n = ttLONG(font_collection+8); + if (index >= n) + return -1; + return ttULONG(font_collection+12+index*4); + } + } + return -1; +} + +static int stbtt_GetNumberOfFonts_internal(unsigned char *font_collection) +{ + // if it's just a font, there's only one valid font + if (stbtt__isfont(font_collection)) + return 1; + + // check if it's a TTC + if (stbtt_tag(font_collection, "ttcf")) { + // version 1? + if (ttULONG(font_collection+4) == 0x00010000 || ttULONG(font_collection+4) == 0x00020000) { + return ttLONG(font_collection+8); + } + } + return 0; +} + +static stbtt__buf stbtt__get_subrs(stbtt__buf cff, stbtt__buf fontdict) +{ + stbtt_uint32 subrsoff = 0, private_loc[2] = { 0, 0 }; + stbtt__buf pdict; + stbtt__dict_get_ints(&fontdict, 18, 2, private_loc); + if (!private_loc[1] || !private_loc[0]) return stbtt__new_buf(NULL, 0); + pdict = stbtt__buf_range(&cff, private_loc[1], private_loc[0]); + stbtt__dict_get_ints(&pdict, 19, 1, &subrsoff); + if (!subrsoff) return stbtt__new_buf(NULL, 0); + stbtt__buf_seek(&cff, private_loc[1]+subrsoff); + return stbtt__cff_get_index(&cff); +} + +// since most people won't use this, find this table the first time it's needed +static int stbtt__get_svg(stbtt_fontinfo *info) +{ + stbtt_uint32 t; + if (info->svg < 0) { + t = stbtt__find_table(info->data, info->fontstart, "SVG "); + if (t) { + stbtt_uint32 offset = ttULONG(info->data + t + 2); + info->svg = t + offset; + } else { + info->svg = 0; + } + } + return info->svg; +} + +static int stbtt_InitFont_internal(stbtt_fontinfo *info, unsigned char *data, int fontstart) +{ + stbtt_uint32 cmap, t; + stbtt_int32 i,numTables; + + info->data = data; + info->fontstart = fontstart; + info->cff = stbtt__new_buf(NULL, 0); + + cmap = stbtt__find_table(data, fontstart, "cmap"); // required + info->loca = stbtt__find_table(data, fontstart, "loca"); // required + info->head = stbtt__find_table(data, fontstart, "head"); // required + info->glyf = stbtt__find_table(data, fontstart, "glyf"); // required + info->hhea = stbtt__find_table(data, fontstart, "hhea"); // required + info->hmtx = stbtt__find_table(data, fontstart, "hmtx"); // required + info->kern = stbtt__find_table(data, fontstart, "kern"); // not required + info->gpos = stbtt__find_table(data, fontstart, "GPOS"); // not required + + if (!cmap || !info->head || !info->hhea || !info->hmtx) + return 0; + if (info->glyf) { + // required for truetype + if (!info->loca) return 0; + } else { + // initialization for CFF / Type2 fonts (OTF) + stbtt__buf b, topdict, topdictidx; + stbtt_uint32 cstype = 2, charstrings = 0, fdarrayoff = 0, fdselectoff = 0; + stbtt_uint32 cff; + + cff = stbtt__find_table(data, fontstart, "CFF "); + if (!cff) return 0; + + info->fontdicts = stbtt__new_buf(NULL, 0); + info->fdselect = stbtt__new_buf(NULL, 0); + + // @TODO this should use size from table (not 512MB) + info->cff = stbtt__new_buf(data+cff, 512*1024*1024); + b = info->cff; + + // read the header + stbtt__buf_skip(&b, 2); + stbtt__buf_seek(&b, stbtt__buf_get8(&b)); // hdrsize + + // @TODO the name INDEX could list multiple fonts, + // but we just use the first one. + stbtt__cff_get_index(&b); // name INDEX + topdictidx = stbtt__cff_get_index(&b); + topdict = stbtt__cff_index_get(topdictidx, 0); + stbtt__cff_get_index(&b); // string INDEX + info->gsubrs = stbtt__cff_get_index(&b); + + stbtt__dict_get_ints(&topdict, 17, 1, &charstrings); + stbtt__dict_get_ints(&topdict, 0x100 | 6, 1, &cstype); + stbtt__dict_get_ints(&topdict, 0x100 | 36, 1, &fdarrayoff); + stbtt__dict_get_ints(&topdict, 0x100 | 37, 1, &fdselectoff); + info->subrs = stbtt__get_subrs(b, topdict); + + // we only support Type 2 charstrings + if (cstype != 2) return 0; + if (charstrings == 0) return 0; + + if (fdarrayoff) { + // looks like a CID font + if (!fdselectoff) return 0; + stbtt__buf_seek(&b, fdarrayoff); + info->fontdicts = stbtt__cff_get_index(&b); + info->fdselect = stbtt__buf_range(&b, fdselectoff, b.size-fdselectoff); + } + + stbtt__buf_seek(&b, charstrings); + info->charstrings = stbtt__cff_get_index(&b); + } + + t = stbtt__find_table(data, fontstart, "maxp"); + if (t) + info->numGlyphs = ttUSHORT(data+t+4); + else + info->numGlyphs = 0xffff; + + info->svg = -1; + + // find a cmap encoding table we understand *now* to avoid searching + // later. (todo: could make this installable) + // the same regardless of glyph. + numTables = ttUSHORT(data + cmap + 2); + info->index_map = 0; + for (i=0; i < numTables; ++i) { + stbtt_uint32 encoding_record = cmap + 4 + 8 * i; + // find an encoding we understand: + switch(ttUSHORT(data+encoding_record)) { + case STBTT_PLATFORM_ID_MICROSOFT: + switch (ttUSHORT(data+encoding_record+2)) { + case STBTT_MS_EID_UNICODE_BMP: + case STBTT_MS_EID_UNICODE_FULL: + // MS/Unicode + info->index_map = cmap + ttULONG(data+encoding_record+4); + break; + } + break; + case STBTT_PLATFORM_ID_UNICODE: + // Mac/iOS has these + // all the encodingIDs are unicode, so we don't bother to check it + info->index_map = cmap + ttULONG(data+encoding_record+4); + break; + } + } + if (info->index_map == 0) + return 0; + + info->indexToLocFormat = ttUSHORT(data+info->head + 50); + return 1; +} + +STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint) +{ + stbtt_uint8 *data = info->data; + stbtt_uint32 index_map = info->index_map; + + stbtt_uint16 format = ttUSHORT(data + index_map + 0); + if (format == 0) { // apple byte encoding + stbtt_int32 bytes = ttUSHORT(data + index_map + 2); + if (unicode_codepoint < bytes-6) + return ttBYTE(data + index_map + 6 + unicode_codepoint); + return 0; + } else if (format == 6) { + stbtt_uint32 first = ttUSHORT(data + index_map + 6); + stbtt_uint32 count = ttUSHORT(data + index_map + 8); + if ((stbtt_uint32) unicode_codepoint >= first && (stbtt_uint32) unicode_codepoint < first+count) + return ttUSHORT(data + index_map + 10 + (unicode_codepoint - first)*2); + return 0; + } else if (format == 2) { + STBTT_assert(0); // @TODO: high-byte mapping for japanese/chinese/korean + return 0; + } else if (format == 4) { // standard mapping for windows fonts: binary search collection of ranges + stbtt_uint16 segcount = ttUSHORT(data+index_map+6) >> 1; + stbtt_uint16 searchRange = ttUSHORT(data+index_map+8) >> 1; + stbtt_uint16 entrySelector = ttUSHORT(data+index_map+10); + stbtt_uint16 rangeShift = ttUSHORT(data+index_map+12) >> 1; + + // do a binary search of the segments + stbtt_uint32 endCount = index_map + 14; + stbtt_uint32 search = endCount; + + if (unicode_codepoint > 0xffff) + return 0; + + // they lie from endCount .. endCount + segCount + // but searchRange is the nearest power of two, so... + if (unicode_codepoint >= ttUSHORT(data + search + rangeShift*2)) + search += rangeShift*2; + + // now decrement to bias correctly to find smallest + search -= 2; + while (entrySelector) { + stbtt_uint16 end; + searchRange >>= 1; + end = ttUSHORT(data + search + searchRange*2); + if (unicode_codepoint > end) + search += searchRange*2; + --entrySelector; + } + search += 2; + + { + stbtt_uint16 offset, start, last; + stbtt_uint16 item = (stbtt_uint16) ((search - endCount) >> 1); + + start = ttUSHORT(data + index_map + 14 + segcount*2 + 2 + 2*item); + last = ttUSHORT(data + endCount + 2*item); + if (unicode_codepoint < start || unicode_codepoint > last) + return 0; + + offset = ttUSHORT(data + index_map + 14 + segcount*6 + 2 + 2*item); + if (offset == 0) + return (stbtt_uint16) (unicode_codepoint + ttSHORT(data + index_map + 14 + segcount*4 + 2 + 2*item)); + + return ttUSHORT(data + offset + (unicode_codepoint-start)*2 + index_map + 14 + segcount*6 + 2 + 2*item); + } + } else if (format == 12 || format == 13) { + stbtt_uint32 ngroups = ttULONG(data+index_map+12); + stbtt_int32 low,high; + low = 0; high = (stbtt_int32)ngroups; + // Binary search the right group. + while (low < high) { + stbtt_int32 mid = low + ((high-low) >> 1); // rounds down, so low <= mid < high + stbtt_uint32 start_char = ttULONG(data+index_map+16+mid*12); + stbtt_uint32 end_char = ttULONG(data+index_map+16+mid*12+4); + if ((stbtt_uint32) unicode_codepoint < start_char) + high = mid; + else if ((stbtt_uint32) unicode_codepoint > end_char) + low = mid+1; + else { + stbtt_uint32 start_glyph = ttULONG(data+index_map+16+mid*12+8); + if (format == 12) + return start_glyph + unicode_codepoint-start_char; + else // format == 13 + return start_glyph; + } + } + return 0; // not found + } + // @TODO + STBTT_assert(0); + return 0; +} + +STBTT_DEF int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices) +{ + return stbtt_GetGlyphShape(info, stbtt_FindGlyphIndex(info, unicode_codepoint), vertices); +} + +static void stbtt_setvertex(stbtt_vertex *v, stbtt_uint8 type, stbtt_int32 x, stbtt_int32 y, stbtt_int32 cx, stbtt_int32 cy) +{ + v->type = type; + v->x = (stbtt_int16) x; + v->y = (stbtt_int16) y; + v->cx = (stbtt_int16) cx; + v->cy = (stbtt_int16) cy; +} + +static int stbtt__GetGlyfOffset(const stbtt_fontinfo *info, int glyph_index) +{ + int g1,g2; + + STBTT_assert(!info->cff.size); + + if (glyph_index >= info->numGlyphs) return -1; // glyph index out of range + if (info->indexToLocFormat >= 2) return -1; // unknown index->glyph map format + + if (info->indexToLocFormat == 0) { + g1 = info->glyf + ttUSHORT(info->data + info->loca + glyph_index * 2) * 2; + g2 = info->glyf + ttUSHORT(info->data + info->loca + glyph_index * 2 + 2) * 2; + } else { + g1 = info->glyf + ttULONG (info->data + info->loca + glyph_index * 4); + g2 = info->glyf + ttULONG (info->data + info->loca + glyph_index * 4 + 4); + } + + return g1==g2 ? -1 : g1; // if length is 0, return -1 +} + +static int stbtt__GetGlyphInfoT2(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1); + +STBTT_DEF int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1) +{ + if (info->cff.size) { + stbtt__GetGlyphInfoT2(info, glyph_index, x0, y0, x1, y1); + } else { + int g = stbtt__GetGlyfOffset(info, glyph_index); + if (g < 0) return 0; + + if (x0) *x0 = ttSHORT(info->data + g + 2); + if (y0) *y0 = ttSHORT(info->data + g + 4); + if (x1) *x1 = ttSHORT(info->data + g + 6); + if (y1) *y1 = ttSHORT(info->data + g + 8); + } + return 1; +} + +STBTT_DEF int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1) +{ + return stbtt_GetGlyphBox(info, stbtt_FindGlyphIndex(info,codepoint), x0,y0,x1,y1); +} + +STBTT_DEF int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index) +{ + stbtt_int16 numberOfContours; + int g; + if (info->cff.size) + return stbtt__GetGlyphInfoT2(info, glyph_index, NULL, NULL, NULL, NULL) == 0; + g = stbtt__GetGlyfOffset(info, glyph_index); + if (g < 0) return 1; + numberOfContours = ttSHORT(info->data + g); + return numberOfContours == 0; +} + +static int stbtt__close_shape(stbtt_vertex *vertices, int num_vertices, int was_off, int start_off, + stbtt_int32 sx, stbtt_int32 sy, stbtt_int32 scx, stbtt_int32 scy, stbtt_int32 cx, stbtt_int32 cy) +{ + if (start_off) { + if (was_off) + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, (cx+scx)>>1, (cy+scy)>>1, cx,cy); + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, sx,sy,scx,scy); + } else { + if (was_off) + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve,sx,sy,cx,cy); + else + stbtt_setvertex(&vertices[num_vertices++], STBTT_vline,sx,sy,0,0); + } + return num_vertices; +} + +static int stbtt__GetGlyphShapeTT(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +{ + stbtt_int16 numberOfContours; + stbtt_uint8 *endPtsOfContours; + stbtt_uint8 *data = info->data; + stbtt_vertex *vertices=0; + int num_vertices=0; + int g = stbtt__GetGlyfOffset(info, glyph_index); + + *pvertices = NULL; + + if (g < 0) return 0; + + numberOfContours = ttSHORT(data + g); + + if (numberOfContours > 0) { + stbtt_uint8 flags=0,flagcount; + stbtt_int32 ins, i,j=0,m,n, next_move, was_off=0, off, start_off=0; + stbtt_int32 x,y,cx,cy,sx,sy, scx,scy; + stbtt_uint8 *points; + endPtsOfContours = (data + g + 10); + ins = ttUSHORT(data + g + 10 + numberOfContours * 2); + points = data + g + 10 + numberOfContours * 2 + 2 + ins; + + n = 1+ttUSHORT(endPtsOfContours + numberOfContours*2-2); + + m = n + 2*numberOfContours; // a loose bound on how many vertices we might need + vertices = (stbtt_vertex *) STBTT_malloc(m * sizeof(vertices[0]), info->userdata); + if (vertices == 0) + return 0; + + next_move = 0; + flagcount=0; + + // in first pass, we load uninterpreted data into the allocated array + // above, shifted to the end of the array so we won't overwrite it when + // we create our final data starting from the front + + off = m - n; // starting offset for uninterpreted data, regardless of how m ends up being calculated + + // first load flags + + for (i=0; i < n; ++i) { + if (flagcount == 0) { + flags = *points++; + if (flags & 8) + flagcount = *points++; + } else + --flagcount; + vertices[off+i].type = flags; + } + + // now load x coordinates + x=0; + for (i=0; i < n; ++i) { + flags = vertices[off+i].type; + if (flags & 2) { + stbtt_int16 dx = *points++; + x += (flags & 16) ? dx : -dx; // ??? + } else { + if (!(flags & 16)) { + x = x + (stbtt_int16) (points[0]*256 + points[1]); + points += 2; + } + } + vertices[off+i].x = (stbtt_int16) x; + } + + // now load y coordinates + y=0; + for (i=0; i < n; ++i) { + flags = vertices[off+i].type; + if (flags & 4) { + stbtt_int16 dy = *points++; + y += (flags & 32) ? dy : -dy; // ??? + } else { + if (!(flags & 32)) { + y = y + (stbtt_int16) (points[0]*256 + points[1]); + points += 2; + } + } + vertices[off+i].y = (stbtt_int16) y; + } + + // now convert them to our format + num_vertices=0; + sx = sy = cx = cy = scx = scy = 0; + for (i=0; i < n; ++i) { + flags = vertices[off+i].type; + x = (stbtt_int16) vertices[off+i].x; + y = (stbtt_int16) vertices[off+i].y; + + if (next_move == i) { + if (i != 0) + num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy); + + // now start the new one + start_off = !(flags & 1); + if (start_off) { + // if we start off with an off-curve point, then when we need to find a point on the curve + // where we can start, and we need to save some state for when we wraparound. + scx = x; + scy = y; + if (!(vertices[off+i+1].type & 1)) { + // next point is also a curve point, so interpolate an on-point curve + sx = (x + (stbtt_int32) vertices[off+i+1].x) >> 1; + sy = (y + (stbtt_int32) vertices[off+i+1].y) >> 1; + } else { + // otherwise just use the next point as our start point + sx = (stbtt_int32) vertices[off+i+1].x; + sy = (stbtt_int32) vertices[off+i+1].y; + ++i; // we're using point i+1 as the starting point, so skip it + } + } else { + sx = x; + sy = y; + } + stbtt_setvertex(&vertices[num_vertices++], STBTT_vmove,sx,sy,0,0); + was_off = 0; + next_move = 1 + ttUSHORT(endPtsOfContours+j*2); + ++j; + } else { + if (!(flags & 1)) { // if it's a curve + if (was_off) // two off-curve control points in a row means interpolate an on-curve midpoint + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, (cx+x)>>1, (cy+y)>>1, cx, cy); + cx = x; + cy = y; + was_off = 1; + } else { + if (was_off) + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, x,y, cx, cy); + else + stbtt_setvertex(&vertices[num_vertices++], STBTT_vline, x,y,0,0); + was_off = 0; + } + } + } + num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy); + } else if (numberOfContours < 0) { + // Compound shapes. + int more = 1; + stbtt_uint8 *comp = data + g + 10; + num_vertices = 0; + vertices = 0; + while (more) { + stbtt_uint16 flags, gidx; + int comp_num_verts = 0, i; + stbtt_vertex *comp_verts = 0, *tmp = 0; + float mtx[6] = {1,0,0,1,0,0}, m, n; + + flags = ttSHORT(comp); comp+=2; + gidx = ttSHORT(comp); comp+=2; + + if (flags & 2) { // XY values + if (flags & 1) { // shorts + mtx[4] = ttSHORT(comp); comp+=2; + mtx[5] = ttSHORT(comp); comp+=2; + } else { + mtx[4] = ttCHAR(comp); comp+=1; + mtx[5] = ttCHAR(comp); comp+=1; + } + } + else { + // @TODO handle matching point + STBTT_assert(0); + } + if (flags & (1<<3)) { // WE_HAVE_A_SCALE + mtx[0] = mtx[3] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[1] = mtx[2] = 0; + } else if (flags & (1<<6)) { // WE_HAVE_AN_X_AND_YSCALE + mtx[0] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[1] = mtx[2] = 0; + mtx[3] = ttSHORT(comp)/16384.0f; comp+=2; + } else if (flags & (1<<7)) { // WE_HAVE_A_TWO_BY_TWO + mtx[0] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[1] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[2] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[3] = ttSHORT(comp)/16384.0f; comp+=2; + } + + // Find transformation scales. + m = (float) STBTT_sqrt(mtx[0]*mtx[0] + mtx[1]*mtx[1]); + n = (float) STBTT_sqrt(mtx[2]*mtx[2] + mtx[3]*mtx[3]); + + // Get indexed glyph. + comp_num_verts = stbtt_GetGlyphShape(info, gidx, &comp_verts); + if (comp_num_verts > 0) { + // Transform vertices. + for (i = 0; i < comp_num_verts; ++i) { + stbtt_vertex* v = &comp_verts[i]; + stbtt_vertex_type x,y; + x=v->x; y=v->y; + v->x = (stbtt_vertex_type)(m * (mtx[0]*x + mtx[2]*y + mtx[4])); + v->y = (stbtt_vertex_type)(n * (mtx[1]*x + mtx[3]*y + mtx[5])); + x=v->cx; y=v->cy; + v->cx = (stbtt_vertex_type)(m * (mtx[0]*x + mtx[2]*y + mtx[4])); + v->cy = (stbtt_vertex_type)(n * (mtx[1]*x + mtx[3]*y + mtx[5])); + } + // Append vertices. + tmp = (stbtt_vertex*)STBTT_malloc((num_vertices+comp_num_verts)*sizeof(stbtt_vertex), info->userdata); + if (!tmp) { + if (vertices) STBTT_free(vertices, info->userdata); + if (comp_verts) STBTT_free(comp_verts, info->userdata); + return 0; + } + if (num_vertices > 0 && vertices) STBTT_memcpy(tmp, vertices, num_vertices*sizeof(stbtt_vertex)); + STBTT_memcpy(tmp+num_vertices, comp_verts, comp_num_verts*sizeof(stbtt_vertex)); + if (vertices) STBTT_free(vertices, info->userdata); + vertices = tmp; + STBTT_free(comp_verts, info->userdata); + num_vertices += comp_num_verts; + } + // More components ? + more = flags & (1<<5); + } + } else { + // numberOfCounters == 0, do nothing + } + + *pvertices = vertices; + return num_vertices; +} + +typedef struct +{ + int bounds; + int started; + float first_x, first_y; + float x, y; + stbtt_int32 min_x, max_x, min_y, max_y; + + stbtt_vertex *pvertices; + int num_vertices; +} stbtt__csctx; + +#define STBTT__CSCTX_INIT(bounds) {bounds,0, 0,0, 0,0, 0,0,0,0, NULL, 0} + +static void stbtt__track_vertex(stbtt__csctx *c, stbtt_int32 x, stbtt_int32 y) +{ + if (x > c->max_x || !c->started) c->max_x = x; + if (y > c->max_y || !c->started) c->max_y = y; + if (x < c->min_x || !c->started) c->min_x = x; + if (y < c->min_y || !c->started) c->min_y = y; + c->started = 1; +} + +static void stbtt__csctx_v(stbtt__csctx *c, stbtt_uint8 type, stbtt_int32 x, stbtt_int32 y, stbtt_int32 cx, stbtt_int32 cy, stbtt_int32 cx1, stbtt_int32 cy1) +{ + if (c->bounds) { + stbtt__track_vertex(c, x, y); + if (type == STBTT_vcubic) { + stbtt__track_vertex(c, cx, cy); + stbtt__track_vertex(c, cx1, cy1); + } + } else { + stbtt_setvertex(&c->pvertices[c->num_vertices], type, x, y, cx, cy); + c->pvertices[c->num_vertices].cx1 = (stbtt_int16) cx1; + c->pvertices[c->num_vertices].cy1 = (stbtt_int16) cy1; + } + c->num_vertices++; +} + +static void stbtt__csctx_close_shape(stbtt__csctx *ctx) +{ + if (ctx->first_x != ctx->x || ctx->first_y != ctx->y) + stbtt__csctx_v(ctx, STBTT_vline, (int)ctx->first_x, (int)ctx->first_y, 0, 0, 0, 0); +} + +static void stbtt__csctx_rmove_to(stbtt__csctx *ctx, float dx, float dy) +{ + stbtt__csctx_close_shape(ctx); + ctx->first_x = ctx->x = ctx->x + dx; + ctx->first_y = ctx->y = ctx->y + dy; + stbtt__csctx_v(ctx, STBTT_vmove, (int)ctx->x, (int)ctx->y, 0, 0, 0, 0); +} + +static void stbtt__csctx_rline_to(stbtt__csctx *ctx, float dx, float dy) +{ + ctx->x += dx; + ctx->y += dy; + stbtt__csctx_v(ctx, STBTT_vline, (int)ctx->x, (int)ctx->y, 0, 0, 0, 0); +} + +static void stbtt__csctx_rccurve_to(stbtt__csctx *ctx, float dx1, float dy1, float dx2, float dy2, float dx3, float dy3) +{ + float cx1 = ctx->x + dx1; + float cy1 = ctx->y + dy1; + float cx2 = cx1 + dx2; + float cy2 = cy1 + dy2; + ctx->x = cx2 + dx3; + ctx->y = cy2 + dy3; + stbtt__csctx_v(ctx, STBTT_vcubic, (int)ctx->x, (int)ctx->y, (int)cx1, (int)cy1, (int)cx2, (int)cy2); +} + +static stbtt__buf stbtt__get_subr(stbtt__buf idx, int n) +{ + int count = stbtt__cff_index_count(&idx); + int bias = 107; + if (count >= 33900) + bias = 32768; + else if (count >= 1240) + bias = 1131; + n += bias; + if (n < 0 || n >= count) + return stbtt__new_buf(NULL, 0); + return stbtt__cff_index_get(idx, n); +} + +static stbtt__buf stbtt__cid_get_glyph_subrs(const stbtt_fontinfo *info, int glyph_index) +{ + stbtt__buf fdselect = info->fdselect; + int nranges, start, end, v, fmt, fdselector = -1, i; + + stbtt__buf_seek(&fdselect, 0); + fmt = stbtt__buf_get8(&fdselect); + if (fmt == 0) { + // untested + stbtt__buf_skip(&fdselect, glyph_index); + fdselector = stbtt__buf_get8(&fdselect); + } else if (fmt == 3) { + nranges = stbtt__buf_get16(&fdselect); + start = stbtt__buf_get16(&fdselect); + for (i = 0; i < nranges; i++) { + v = stbtt__buf_get8(&fdselect); + end = stbtt__buf_get16(&fdselect); + if (glyph_index >= start && glyph_index < end) { + fdselector = v; + break; + } + start = end; + } + } + if (fdselector == -1) stbtt__new_buf(NULL, 0); + return stbtt__get_subrs(info->cff, stbtt__cff_index_get(info->fontdicts, fdselector)); +} + +static int stbtt__run_charstring(const stbtt_fontinfo *info, int glyph_index, stbtt__csctx *c) +{ + int in_header = 1, maskbits = 0, subr_stack_height = 0, sp = 0, v, i, b0; + int has_subrs = 0, clear_stack; + float s[48]; + stbtt__buf subr_stack[10], subrs = info->subrs, b; + float f; + +#define STBTT__CSERR(s) (0) + + // this currently ignores the initial width value, which isn't needed if we have hmtx + b = stbtt__cff_index_get(info->charstrings, glyph_index); + while (b.cursor < b.size) { + i = 0; + clear_stack = 1; + b0 = stbtt__buf_get8(&b); + switch (b0) { + // @TODO implement hinting + case 0x13: // hintmask + case 0x14: // cntrmask + if (in_header) + maskbits += (sp / 2); // implicit "vstem" + in_header = 0; + stbtt__buf_skip(&b, (maskbits + 7) / 8); + break; + + case 0x01: // hstem + case 0x03: // vstem + case 0x12: // hstemhm + case 0x17: // vstemhm + maskbits += (sp / 2); + break; + + case 0x15: // rmoveto + in_header = 0; + if (sp < 2) return STBTT__CSERR("rmoveto stack"); + stbtt__csctx_rmove_to(c, s[sp-2], s[sp-1]); + break; + case 0x04: // vmoveto + in_header = 0; + if (sp < 1) return STBTT__CSERR("vmoveto stack"); + stbtt__csctx_rmove_to(c, 0, s[sp-1]); + break; + case 0x16: // hmoveto + in_header = 0; + if (sp < 1) return STBTT__CSERR("hmoveto stack"); + stbtt__csctx_rmove_to(c, s[sp-1], 0); + break; + + case 0x05: // rlineto + if (sp < 2) return STBTT__CSERR("rlineto stack"); + for (; i + 1 < sp; i += 2) + stbtt__csctx_rline_to(c, s[i], s[i+1]); + break; + + // hlineto/vlineto and vhcurveto/hvcurveto alternate horizontal and vertical + // starting from a different place. + + case 0x07: // vlineto + if (sp < 1) return STBTT__CSERR("vlineto stack"); + goto vlineto; + case 0x06: // hlineto + if (sp < 1) return STBTT__CSERR("hlineto stack"); + for (;;) { + if (i >= sp) break; + stbtt__csctx_rline_to(c, s[i], 0); + i++; + vlineto: + if (i >= sp) break; + stbtt__csctx_rline_to(c, 0, s[i]); + i++; + } + break; + + case 0x1F: // hvcurveto + if (sp < 4) return STBTT__CSERR("hvcurveto stack"); + goto hvcurveto; + case 0x1E: // vhcurveto + if (sp < 4) return STBTT__CSERR("vhcurveto stack"); + for (;;) { + if (i + 3 >= sp) break; + stbtt__csctx_rccurve_to(c, 0, s[i], s[i+1], s[i+2], s[i+3], (sp - i == 5) ? s[i + 4] : 0.0f); + i += 4; + hvcurveto: + if (i + 3 >= sp) break; + stbtt__csctx_rccurve_to(c, s[i], 0, s[i+1], s[i+2], (sp - i == 5) ? s[i+4] : 0.0f, s[i+3]); + i += 4; + } + break; + + case 0x08: // rrcurveto + if (sp < 6) return STBTT__CSERR("rcurveline stack"); + for (; i + 5 < sp; i += 6) + stbtt__csctx_rccurve_to(c, s[i], s[i+1], s[i+2], s[i+3], s[i+4], s[i+5]); + break; + + case 0x18: // rcurveline + if (sp < 8) return STBTT__CSERR("rcurveline stack"); + for (; i + 5 < sp - 2; i += 6) + stbtt__csctx_rccurve_to(c, s[i], s[i+1], s[i+2], s[i+3], s[i+4], s[i+5]); + if (i + 1 >= sp) return STBTT__CSERR("rcurveline stack"); + stbtt__csctx_rline_to(c, s[i], s[i+1]); + break; + + case 0x19: // rlinecurve + if (sp < 8) return STBTT__CSERR("rlinecurve stack"); + for (; i + 1 < sp - 6; i += 2) + stbtt__csctx_rline_to(c, s[i], s[i+1]); + if (i + 5 >= sp) return STBTT__CSERR("rlinecurve stack"); + stbtt__csctx_rccurve_to(c, s[i], s[i+1], s[i+2], s[i+3], s[i+4], s[i+5]); + break; + + case 0x1A: // vvcurveto + case 0x1B: // hhcurveto + if (sp < 4) return STBTT__CSERR("(vv|hh)curveto stack"); + f = 0.0; + if (sp & 1) { f = s[i]; i++; } + for (; i + 3 < sp; i += 4) { + if (b0 == 0x1B) + stbtt__csctx_rccurve_to(c, s[i], f, s[i+1], s[i+2], s[i+3], 0.0); + else + stbtt__csctx_rccurve_to(c, f, s[i], s[i+1], s[i+2], 0.0, s[i+3]); + f = 0.0; + } + break; + + case 0x0A: // callsubr + if (!has_subrs) { + if (info->fdselect.size) + subrs = stbtt__cid_get_glyph_subrs(info, glyph_index); + has_subrs = 1; + } + // FALLTHROUGH + case 0x1D: // callgsubr + if (sp < 1) return STBTT__CSERR("call(g|)subr stack"); + v = (int) s[--sp]; + if (subr_stack_height >= 10) return STBTT__CSERR("recursion limit"); + subr_stack[subr_stack_height++] = b; + b = stbtt__get_subr(b0 == 0x0A ? subrs : info->gsubrs, v); + if (b.size == 0) return STBTT__CSERR("subr not found"); + b.cursor = 0; + clear_stack = 0; + break; + + case 0x0B: // return + if (subr_stack_height <= 0) return STBTT__CSERR("return outside subr"); + b = subr_stack[--subr_stack_height]; + clear_stack = 0; + break; + + case 0x0E: // endchar + stbtt__csctx_close_shape(c); + return 1; + + case 0x0C: { // two-byte escape + float dx1, dx2, dx3, dx4, dx5, dx6, dy1, dy2, dy3, dy4, dy5, dy6; + float dx, dy; + int b1 = stbtt__buf_get8(&b); + switch (b1) { + // @TODO These "flex" implementations ignore the flex-depth and resolution, + // and always draw beziers. + case 0x22: // hflex + if (sp < 7) return STBTT__CSERR("hflex stack"); + dx1 = s[0]; + dx2 = s[1]; + dy2 = s[2]; + dx3 = s[3]; + dx4 = s[4]; + dx5 = s[5]; + dx6 = s[6]; + stbtt__csctx_rccurve_to(c, dx1, 0, dx2, dy2, dx3, 0); + stbtt__csctx_rccurve_to(c, dx4, 0, dx5, -dy2, dx6, 0); + break; + + case 0x23: // flex + if (sp < 13) return STBTT__CSERR("flex stack"); + dx1 = s[0]; + dy1 = s[1]; + dx2 = s[2]; + dy2 = s[3]; + dx3 = s[4]; + dy3 = s[5]; + dx4 = s[6]; + dy4 = s[7]; + dx5 = s[8]; + dy5 = s[9]; + dx6 = s[10]; + dy6 = s[11]; + //fd is s[12] + stbtt__csctx_rccurve_to(c, dx1, dy1, dx2, dy2, dx3, dy3); + stbtt__csctx_rccurve_to(c, dx4, dy4, dx5, dy5, dx6, dy6); + break; + + case 0x24: // hflex1 + if (sp < 9) return STBTT__CSERR("hflex1 stack"); + dx1 = s[0]; + dy1 = s[1]; + dx2 = s[2]; + dy2 = s[3]; + dx3 = s[4]; + dx4 = s[5]; + dx5 = s[6]; + dy5 = s[7]; + dx6 = s[8]; + stbtt__csctx_rccurve_to(c, dx1, dy1, dx2, dy2, dx3, 0); + stbtt__csctx_rccurve_to(c, dx4, 0, dx5, dy5, dx6, -(dy1+dy2+dy5)); + break; + + case 0x25: // flex1 + if (sp < 11) return STBTT__CSERR("flex1 stack"); + dx1 = s[0]; + dy1 = s[1]; + dx2 = s[2]; + dy2 = s[3]; + dx3 = s[4]; + dy3 = s[5]; + dx4 = s[6]; + dy4 = s[7]; + dx5 = s[8]; + dy5 = s[9]; + dx6 = dy6 = s[10]; + dx = dx1+dx2+dx3+dx4+dx5; + dy = dy1+dy2+dy3+dy4+dy5; + if (STBTT_fabs(dx) > STBTT_fabs(dy)) + dy6 = -dy; + else + dx6 = -dx; + stbtt__csctx_rccurve_to(c, dx1, dy1, dx2, dy2, dx3, dy3); + stbtt__csctx_rccurve_to(c, dx4, dy4, dx5, dy5, dx6, dy6); + break; + + default: + return STBTT__CSERR("unimplemented"); + } + } break; + + default: + if (b0 != 255 && b0 != 28 && b0 < 32) + return STBTT__CSERR("reserved operator"); + + // push immediate + if (b0 == 255) { + f = (float)(stbtt_int32)stbtt__buf_get32(&b) / 0x10000; + } else { + stbtt__buf_skip(&b, -1); + f = (float)(stbtt_int16)stbtt__cff_int(&b); + } + if (sp >= 48) return STBTT__CSERR("push stack overflow"); + s[sp++] = f; + clear_stack = 0; + break; + } + if (clear_stack) sp = 0; + } + return STBTT__CSERR("no endchar"); + +#undef STBTT__CSERR +} + +static int stbtt__GetGlyphShapeT2(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +{ + // runs the charstring twice, once to count and once to output (to avoid realloc) + stbtt__csctx count_ctx = STBTT__CSCTX_INIT(1); + stbtt__csctx output_ctx = STBTT__CSCTX_INIT(0); + if (stbtt__run_charstring(info, glyph_index, &count_ctx)) { + *pvertices = (stbtt_vertex*)STBTT_malloc(count_ctx.num_vertices*sizeof(stbtt_vertex), info->userdata); + output_ctx.pvertices = *pvertices; + if (stbtt__run_charstring(info, glyph_index, &output_ctx)) { + STBTT_assert(output_ctx.num_vertices == count_ctx.num_vertices); + return output_ctx.num_vertices; + } + } + *pvertices = NULL; + return 0; +} + +static int stbtt__GetGlyphInfoT2(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1) +{ + stbtt__csctx c = STBTT__CSCTX_INIT(1); + int r = stbtt__run_charstring(info, glyph_index, &c); + if (x0) *x0 = r ? c.min_x : 0; + if (y0) *y0 = r ? c.min_y : 0; + if (x1) *x1 = r ? c.max_x : 0; + if (y1) *y1 = r ? c.max_y : 0; + return r ? c.num_vertices : 0; +} + +STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +{ + if (!info->cff.size) + return stbtt__GetGlyphShapeTT(info, glyph_index, pvertices); + else + return stbtt__GetGlyphShapeT2(info, glyph_index, pvertices); +} + +STBTT_DEF void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing) +{ + stbtt_uint16 numOfLongHorMetrics = ttUSHORT(info->data+info->hhea + 34); + if (glyph_index < numOfLongHorMetrics) { + if (advanceWidth) *advanceWidth = ttSHORT(info->data + info->hmtx + 4*glyph_index); + if (leftSideBearing) *leftSideBearing = ttSHORT(info->data + info->hmtx + 4*glyph_index + 2); + } else { + if (advanceWidth) *advanceWidth = ttSHORT(info->data + info->hmtx + 4*(numOfLongHorMetrics-1)); + if (leftSideBearing) *leftSideBearing = ttSHORT(info->data + info->hmtx + 4*numOfLongHorMetrics + 2*(glyph_index - numOfLongHorMetrics)); + } +} + +STBTT_DEF int stbtt_GetKerningTableLength(const stbtt_fontinfo *info) +{ + stbtt_uint8 *data = info->data + info->kern; + + // we only look at the first table. it must be 'horizontal' and format 0. + if (!info->kern) + return 0; + if (ttUSHORT(data+2) < 1) // number of tables, need at least 1 + return 0; + if (ttUSHORT(data+8) != 1) // horizontal flag must be set in format + return 0; + + return ttUSHORT(data+10); +} + +STBTT_DEF int stbtt_GetKerningTable(const stbtt_fontinfo *info, stbtt_kerningentry* table, int table_length) +{ + stbtt_uint8 *data = info->data + info->kern; + int k, length; + + // we only look at the first table. it must be 'horizontal' and format 0. + if (!info->kern) + return 0; + if (ttUSHORT(data+2) < 1) // number of tables, need at least 1 + return 0; + if (ttUSHORT(data+8) != 1) // horizontal flag must be set in format + return 0; + + length = ttUSHORT(data+10); + if (table_length < length) + length = table_length; + + for (k = 0; k < length; k++) + { + table[k].glyph1 = ttUSHORT(data+18+(k*6)); + table[k].glyph2 = ttUSHORT(data+20+(k*6)); + table[k].advance = ttSHORT(data+22+(k*6)); + } + + return length; +} + +static int stbtt__GetGlyphKernInfoAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2) +{ + stbtt_uint8 *data = info->data + info->kern; + stbtt_uint32 needle, straw; + int l, r, m; + + // we only look at the first table. it must be 'horizontal' and format 0. + if (!info->kern) + return 0; + if (ttUSHORT(data+2) < 1) // number of tables, need at least 1 + return 0; + if (ttUSHORT(data+8) != 1) // horizontal flag must be set in format + return 0; + + l = 0; + r = ttUSHORT(data+10) - 1; + needle = glyph1 << 16 | glyph2; + while (l <= r) { + m = (l + r) >> 1; + straw = ttULONG(data+18+(m*6)); // note: unaligned read + if (needle < straw) + r = m - 1; + else if (needle > straw) + l = m + 1; + else + return ttSHORT(data+22+(m*6)); + } + return 0; +} + +static stbtt_int32 stbtt__GetCoverageIndex(stbtt_uint8 *coverageTable, int glyph) +{ + stbtt_uint16 coverageFormat = ttUSHORT(coverageTable); + switch (coverageFormat) { + case 1: { + stbtt_uint16 glyphCount = ttUSHORT(coverageTable + 2); + + // Binary search. + stbtt_int32 l=0, r=glyphCount-1, m; + int straw, needle=glyph; + while (l <= r) { + stbtt_uint8 *glyphArray = coverageTable + 4; + stbtt_uint16 glyphID; + m = (l + r) >> 1; + glyphID = ttUSHORT(glyphArray + 2 * m); + straw = glyphID; + if (needle < straw) + r = m - 1; + else if (needle > straw) + l = m + 1; + else { + return m; + } + } + break; + } + + case 2: { + stbtt_uint16 rangeCount = ttUSHORT(coverageTable + 2); + stbtt_uint8 *rangeArray = coverageTable + 4; + + // Binary search. + stbtt_int32 l=0, r=rangeCount-1, m; + int strawStart, strawEnd, needle=glyph; + while (l <= r) { + stbtt_uint8 *rangeRecord; + m = (l + r) >> 1; + rangeRecord = rangeArray + 6 * m; + strawStart = ttUSHORT(rangeRecord); + strawEnd = ttUSHORT(rangeRecord + 2); + if (needle < strawStart) + r = m - 1; + else if (needle > strawEnd) + l = m + 1; + else { + stbtt_uint16 startCoverageIndex = ttUSHORT(rangeRecord + 4); + return startCoverageIndex + glyph - strawStart; + } + } + break; + } + + default: return -1; // unsupported + } + + return -1; +} + +static stbtt_int32 stbtt__GetGlyphClass(stbtt_uint8 *classDefTable, int glyph) +{ + stbtt_uint16 classDefFormat = ttUSHORT(classDefTable); + switch (classDefFormat) + { + case 1: { + stbtt_uint16 startGlyphID = ttUSHORT(classDefTable + 2); + stbtt_uint16 glyphCount = ttUSHORT(classDefTable + 4); + stbtt_uint8 *classDef1ValueArray = classDefTable + 6; + + if (glyph >= startGlyphID && glyph < startGlyphID + glyphCount) + return (stbtt_int32)ttUSHORT(classDef1ValueArray + 2 * (glyph - startGlyphID)); + break; + } + + case 2: { + stbtt_uint16 classRangeCount = ttUSHORT(classDefTable + 2); + stbtt_uint8 *classRangeRecords = classDefTable + 4; + + // Binary search. + stbtt_int32 l=0, r=classRangeCount-1, m; + int strawStart, strawEnd, needle=glyph; + while (l <= r) { + stbtt_uint8 *classRangeRecord; + m = (l + r) >> 1; + classRangeRecord = classRangeRecords + 6 * m; + strawStart = ttUSHORT(classRangeRecord); + strawEnd = ttUSHORT(classRangeRecord + 2); + if (needle < strawStart) + r = m - 1; + else if (needle > strawEnd) + l = m + 1; + else + return (stbtt_int32)ttUSHORT(classRangeRecord + 4); + } + break; + } + + default: + return -1; // Unsupported definition type, return an error. + } + + // "All glyphs not assigned to a class fall into class 0". (OpenType spec) + return 0; +} + +// Define to STBTT_assert(x) if you want to break on unimplemented formats. +#define STBTT_GPOS_TODO_assert(x) + +static stbtt_int32 stbtt__GetGlyphGPOSInfoAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2) +{ + stbtt_uint16 lookupListOffset; + stbtt_uint8 *lookupList; + stbtt_uint16 lookupCount; + stbtt_uint8 *data; + stbtt_int32 i, sti; + + if (!info->gpos) return 0; + + data = info->data + info->gpos; + + if (ttUSHORT(data+0) != 1) return 0; // Major version 1 + if (ttUSHORT(data+2) != 0) return 0; // Minor version 0 + + lookupListOffset = ttUSHORT(data+8); + lookupList = data + lookupListOffset; + lookupCount = ttUSHORT(lookupList); + + for (i=0; i= pairSetCount) return 0; + + needle=glyph2; + r=pairValueCount-1; + l=0; + + // Binary search. + while (l <= r) { + stbtt_uint16 secondGlyph; + stbtt_uint8 *pairValue; + m = (l + r) >> 1; + pairValue = pairValueArray + (2 + valueRecordPairSizeInBytes) * m; + secondGlyph = ttUSHORT(pairValue); + straw = secondGlyph; + if (needle < straw) + r = m - 1; + else if (needle > straw) + l = m + 1; + else { + stbtt_int16 xAdvance = ttSHORT(pairValue + 2); + return xAdvance; + } + } + } else + return 0; + break; + } + + case 2: { + stbtt_uint16 valueFormat1 = ttUSHORT(table + 4); + stbtt_uint16 valueFormat2 = ttUSHORT(table + 6); + if (valueFormat1 == 4 && valueFormat2 == 0) { // Support more formats? + stbtt_uint16 classDef1Offset = ttUSHORT(table + 8); + stbtt_uint16 classDef2Offset = ttUSHORT(table + 10); + int glyph1class = stbtt__GetGlyphClass(table + classDef1Offset, glyph1); + int glyph2class = stbtt__GetGlyphClass(table + classDef2Offset, glyph2); + + stbtt_uint16 class1Count = ttUSHORT(table + 12); + stbtt_uint16 class2Count = ttUSHORT(table + 14); + stbtt_uint8 *class1Records, *class2Records; + stbtt_int16 xAdvance; + + if (glyph1class < 0 || glyph1class >= class1Count) return 0; // malformed + if (glyph2class < 0 || glyph2class >= class2Count) return 0; // malformed + + class1Records = table + 16; + class2Records = class1Records + 2 * (glyph1class * class2Count); + xAdvance = ttSHORT(class2Records + 2 * glyph2class); + return xAdvance; + } else + return 0; + break; + } + + default: + return 0; // Unsupported position format + } + } + } + + return 0; +} + +STBTT_DEF int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int g1, int g2) +{ + int xAdvance = 0; + + if (info->gpos) + xAdvance += stbtt__GetGlyphGPOSInfoAdvance(info, g1, g2); + else if (info->kern) + xAdvance += stbtt__GetGlyphKernInfoAdvance(info, g1, g2); + + return xAdvance; +} + +STBTT_DEF int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2) +{ + if (!info->kern && !info->gpos) // if no kerning table, don't waste time looking up both codepoint->glyphs + return 0; + return stbtt_GetGlyphKernAdvance(info, stbtt_FindGlyphIndex(info,ch1), stbtt_FindGlyphIndex(info,ch2)); +} + +STBTT_DEF void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing) +{ + stbtt_GetGlyphHMetrics(info, stbtt_FindGlyphIndex(info,codepoint), advanceWidth, leftSideBearing); +} + +STBTT_DEF void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap) +{ + if (ascent ) *ascent = ttSHORT(info->data+info->hhea + 4); + if (descent) *descent = ttSHORT(info->data+info->hhea + 6); + if (lineGap) *lineGap = ttSHORT(info->data+info->hhea + 8); +} + +STBTT_DEF int stbtt_GetFontVMetricsOS2(const stbtt_fontinfo *info, int *typoAscent, int *typoDescent, int *typoLineGap) +{ + int tab = stbtt__find_table(info->data, info->fontstart, "OS/2"); + if (!tab) + return 0; + if (typoAscent ) *typoAscent = ttSHORT(info->data+tab + 68); + if (typoDescent) *typoDescent = ttSHORT(info->data+tab + 70); + if (typoLineGap) *typoLineGap = ttSHORT(info->data+tab + 72); + return 1; +} + +STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1) +{ + *x0 = ttSHORT(info->data + info->head + 36); + *y0 = ttSHORT(info->data + info->head + 38); + *x1 = ttSHORT(info->data + info->head + 40); + *y1 = ttSHORT(info->data + info->head + 42); +} + +STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float height) +{ + int fheight = ttSHORT(info->data + info->hhea + 4) - ttSHORT(info->data + info->hhea + 6); + return (float) height / fheight; +} + +STBTT_DEF float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels) +{ + int unitsPerEm = ttUSHORT(info->data + info->head + 18); + return pixels / unitsPerEm; +} + +STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *v) +{ + STBTT_free(v, info->userdata); +} + +STBTT_DEF stbtt_uint8 *stbtt_FindSVGDoc(const stbtt_fontinfo *info, int gl) +{ + int i; + stbtt_uint8 *data = info->data; + stbtt_uint8 *svg_doc_list = data + stbtt__get_svg((stbtt_fontinfo *) info); + + int numEntries = ttUSHORT(svg_doc_list); + stbtt_uint8 *svg_docs = svg_doc_list + 2; + + for(i=0; i= ttUSHORT(svg_doc)) && (gl <= ttUSHORT(svg_doc + 2))) + return svg_doc; + } + return 0; +} + +STBTT_DEF int stbtt_GetGlyphSVG(const stbtt_fontinfo *info, int gl, const char **svg) +{ + stbtt_uint8 *data = info->data; + stbtt_uint8 *svg_doc; + + if (info->svg == 0) + return 0; + + svg_doc = stbtt_FindSVGDoc(info, gl); + if (svg_doc != NULL) { + *svg = (char *) data + info->svg + ttULONG(svg_doc + 4); + return ttULONG(svg_doc + 8); + } else { + return 0; + } +} + +STBTT_DEF int stbtt_GetCodepointSVG(const stbtt_fontinfo *info, int unicode_codepoint, const char **svg) +{ + return stbtt_GetGlyphSVG(info, stbtt_FindGlyphIndex(info, unicode_codepoint), svg); +} + +////////////////////////////////////////////////////////////////////////////// +// +// antialiasing software rasterizer +// + +STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + int x0=0,y0=0,x1,y1; // =0 suppresses compiler warning + if (!stbtt_GetGlyphBox(font, glyph, &x0,&y0,&x1,&y1)) { + // e.g. space character + if (ix0) *ix0 = 0; + if (iy0) *iy0 = 0; + if (ix1) *ix1 = 0; + if (iy1) *iy1 = 0; + } else { + // move to integral bboxes (treating pixels as little squares, what pixels get touched)? + if (ix0) *ix0 = STBTT_ifloor( x0 * scale_x + shift_x); + if (iy0) *iy0 = STBTT_ifloor(-y1 * scale_y + shift_y); + if (ix1) *ix1 = STBTT_iceil ( x1 * scale_x + shift_x); + if (iy1) *iy1 = STBTT_iceil (-y0 * scale_y + shift_y); + } +} + +STBTT_DEF void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + stbtt_GetGlyphBitmapBoxSubpixel(font, glyph, scale_x, scale_y,0.0f,0.0f, ix0, iy0, ix1, iy1); +} + +STBTT_DEF void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + stbtt_GetGlyphBitmapBoxSubpixel(font, stbtt_FindGlyphIndex(font,codepoint), scale_x, scale_y,shift_x,shift_y, ix0,iy0,ix1,iy1); +} + +STBTT_DEF void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + stbtt_GetCodepointBitmapBoxSubpixel(font, codepoint, scale_x, scale_y,0.0f,0.0f, ix0,iy0,ix1,iy1); +} + +////////////////////////////////////////////////////////////////////////////// +// +// Rasterizer + +typedef struct stbtt__hheap_chunk +{ + struct stbtt__hheap_chunk *next; +} stbtt__hheap_chunk; + +typedef struct stbtt__hheap +{ + struct stbtt__hheap_chunk *head; + void *first_free; + int num_remaining_in_head_chunk; +} stbtt__hheap; + +static void *stbtt__hheap_alloc(stbtt__hheap *hh, size_t size, void *userdata) +{ + if (hh->first_free) { + void *p = hh->first_free; + hh->first_free = * (void **) p; + return p; + } else { + if (hh->num_remaining_in_head_chunk == 0) { + int count = (size < 32 ? 2000 : size < 128 ? 800 : 100); + stbtt__hheap_chunk *c = (stbtt__hheap_chunk *) STBTT_malloc(sizeof(stbtt__hheap_chunk) + size * count, userdata); + if (c == NULL) + return NULL; + c->next = hh->head; + hh->head = c; + hh->num_remaining_in_head_chunk = count; + } + --hh->num_remaining_in_head_chunk; + return (char *) (hh->head) + sizeof(stbtt__hheap_chunk) + size * hh->num_remaining_in_head_chunk; + } +} + +static void stbtt__hheap_free(stbtt__hheap *hh, void *p) +{ + *(void **) p = hh->first_free; + hh->first_free = p; +} + +static void stbtt__hheap_cleanup(stbtt__hheap *hh, void *userdata) +{ + stbtt__hheap_chunk *c = hh->head; + while (c) { + stbtt__hheap_chunk *n = c->next; + STBTT_free(c, userdata); + c = n; + } +} + +typedef struct stbtt__edge { + float x0,y0, x1,y1; + int invert; +} stbtt__edge; + + +typedef struct stbtt__active_edge +{ + struct stbtt__active_edge *next; + #if STBTT_RASTERIZER_VERSION==1 + int x,dx; + float ey; + int direction; + #elif STBTT_RASTERIZER_VERSION==2 + float fx,fdx,fdy; + float direction; + float sy; + float ey; + #else + #error "Unrecognized value of STBTT_RASTERIZER_VERSION" + #endif +} stbtt__active_edge; + +#if STBTT_RASTERIZER_VERSION == 1 +#define STBTT_FIXSHIFT 10 +#define STBTT_FIX (1 << STBTT_FIXSHIFT) +#define STBTT_FIXMASK (STBTT_FIX-1) + +static stbtt__active_edge *stbtt__new_active(stbtt__hheap *hh, stbtt__edge *e, int off_x, float start_point, void *userdata) +{ + stbtt__active_edge *z = (stbtt__active_edge *) stbtt__hheap_alloc(hh, sizeof(*z), userdata); + float dxdy = (e->x1 - e->x0) / (e->y1 - e->y0); + STBTT_assert(z != NULL); + if (!z) return z; + + // round dx down to avoid overshooting + if (dxdy < 0) + z->dx = -STBTT_ifloor(STBTT_FIX * -dxdy); + else + z->dx = STBTT_ifloor(STBTT_FIX * dxdy); + + z->x = STBTT_ifloor(STBTT_FIX * e->x0 + z->dx * (start_point - e->y0)); // use z->dx so when we offset later it's by the same amount + z->x -= off_x * STBTT_FIX; + + z->ey = e->y1; + z->next = 0; + z->direction = e->invert ? 1 : -1; + return z; +} +#elif STBTT_RASTERIZER_VERSION == 2 +static stbtt__active_edge *stbtt__new_active(stbtt__hheap *hh, stbtt__edge *e, int off_x, float start_point, void *userdata) +{ + stbtt__active_edge *z = (stbtt__active_edge *) stbtt__hheap_alloc(hh, sizeof(*z), userdata); + float dxdy = (e->x1 - e->x0) / (e->y1 - e->y0); + STBTT_assert(z != NULL); + //STBTT_assert(e->y0 <= start_point); + if (!z) return z; + z->fdx = dxdy; + z->fdy = dxdy != 0.0f ? (1.0f/dxdy) : 0.0f; + z->fx = e->x0 + dxdy * (start_point - e->y0); + z->fx -= off_x; + z->direction = e->invert ? 1.0f : -1.0f; + z->sy = e->y0; + z->ey = e->y1; + z->next = 0; + return z; +} +#else +#error "Unrecognized value of STBTT_RASTERIZER_VERSION" +#endif + +#if STBTT_RASTERIZER_VERSION == 1 +// note: this routine clips fills that extend off the edges... ideally this +// wouldn't happen, but it could happen if the truetype glyph bounding boxes +// are wrong, or if the user supplies a too-small bitmap +static void stbtt__fill_active_edges(unsigned char *scanline, int len, stbtt__active_edge *e, int max_weight) +{ + // non-zero winding fill + int x0=0, w=0; + + while (e) { + if (w == 0) { + // if we're currently at zero, we need to record the edge start point + x0 = e->x; w += e->direction; + } else { + int x1 = e->x; w += e->direction; + // if we went to zero, we need to draw + if (w == 0) { + int i = x0 >> STBTT_FIXSHIFT; + int j = x1 >> STBTT_FIXSHIFT; + + if (i < len && j >= 0) { + if (i == j) { + // x0,x1 are the same pixel, so compute combined coverage + scanline[i] = scanline[i] + (stbtt_uint8) ((x1 - x0) * max_weight >> STBTT_FIXSHIFT); + } else { + if (i >= 0) // add antialiasing for x0 + scanline[i] = scanline[i] + (stbtt_uint8) (((STBTT_FIX - (x0 & STBTT_FIXMASK)) * max_weight) >> STBTT_FIXSHIFT); + else + i = -1; // clip + + if (j < len) // add antialiasing for x1 + scanline[j] = scanline[j] + (stbtt_uint8) (((x1 & STBTT_FIXMASK) * max_weight) >> STBTT_FIXSHIFT); + else + j = len; // clip + + for (++i; i < j; ++i) // fill pixels between x0 and x1 + scanline[i] = scanline[i] + (stbtt_uint8) max_weight; + } + } + } + } + + e = e->next; + } +} + +static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e, int n, int vsubsample, int off_x, int off_y, void *userdata) +{ + stbtt__hheap hh = { 0, 0, 0 }; + stbtt__active_edge *active = NULL; + int y,j=0; + int max_weight = (255 / vsubsample); // weight per vertical scanline + int s; // vertical subsample index + unsigned char scanline_data[512], *scanline; + + if (result->w > 512) + scanline = (unsigned char *) STBTT_malloc(result->w, userdata); + else + scanline = scanline_data; + + y = off_y * vsubsample; + e[n].y0 = (off_y + result->h) * (float) vsubsample + 1; + + while (j < result->h) { + STBTT_memset(scanline, 0, result->w); + for (s=0; s < vsubsample; ++s) { + // find center of pixel for this scanline + float scan_y = y + 0.5f; + stbtt__active_edge **step = &active; + + // update all active edges; + // remove all active edges that terminate before the center of this scanline + while (*step) { + stbtt__active_edge * z = *step; + if (z->ey <= scan_y) { + *step = z->next; // delete from list + STBTT_assert(z->direction); + z->direction = 0; + stbtt__hheap_free(&hh, z); + } else { + z->x += z->dx; // advance to position for current scanline + step = &((*step)->next); // advance through list + } + } + + // resort the list if needed + for(;;) { + int changed=0; + step = &active; + while (*step && (*step)->next) { + if ((*step)->x > (*step)->next->x) { + stbtt__active_edge *t = *step; + stbtt__active_edge *q = t->next; + + t->next = q->next; + q->next = t; + *step = q; + changed = 1; + } + step = &(*step)->next; + } + if (!changed) break; + } + + // insert all edges that start before the center of this scanline -- omit ones that also end on this scanline + while (e->y0 <= scan_y) { + if (e->y1 > scan_y) { + stbtt__active_edge *z = stbtt__new_active(&hh, e, off_x, scan_y, userdata); + if (z != NULL) { + // find insertion point + if (active == NULL) + active = z; + else if (z->x < active->x) { + // insert at front + z->next = active; + active = z; + } else { + // find thing to insert AFTER + stbtt__active_edge *p = active; + while (p->next && p->next->x < z->x) + p = p->next; + // at this point, p->next->x is NOT < z->x + z->next = p->next; + p->next = z; + } + } + } + ++e; + } + + // now process all active edges in XOR fashion + if (active) + stbtt__fill_active_edges(scanline, result->w, active, max_weight); + + ++y; + } + STBTT_memcpy(result->pixels + j * result->stride, scanline, result->w); + ++j; + } + + stbtt__hheap_cleanup(&hh, userdata); + + if (scanline != scanline_data) + STBTT_free(scanline, userdata); +} + +#elif STBTT_RASTERIZER_VERSION == 2 + +// the edge passed in here does not cross the vertical line at x or the vertical line at x+1 +// (i.e. it has already been clipped to those) +static void stbtt__handle_clipped_edge(float *scanline, int x, stbtt__active_edge *e, float x0, float y0, float x1, float y1) +{ + if (y0 == y1) return; + STBTT_assert(y0 < y1); + STBTT_assert(e->sy <= e->ey); + if (y0 > e->ey) return; + if (y1 < e->sy) return; + if (y0 < e->sy) { + x0 += (x1-x0) * (e->sy - y0) / (y1-y0); + y0 = e->sy; + } + if (y1 > e->ey) { + x1 += (x1-x0) * (e->ey - y1) / (y1-y0); + y1 = e->ey; + } + + if (x0 == x) + STBTT_assert(x1 <= x+1); + else if (x0 == x+1) + STBTT_assert(x1 >= x); + else if (x0 <= x) + STBTT_assert(x1 <= x); + else if (x0 >= x+1) + STBTT_assert(x1 >= x+1); + else + STBTT_assert(x1 >= x && x1 <= x+1); + + if (x0 <= x && x1 <= x) + scanline[x] += e->direction * (y1-y0); + else if (x0 >= x+1 && x1 >= x+1) + ; + else { + STBTT_assert(x0 >= x && x0 <= x+1 && x1 >= x && x1 <= x+1); + scanline[x] += e->direction * (y1-y0) * (1-((x0-x)+(x1-x))/2); // coverage = 1 - average x position + } +} + +static float stbtt__sized_trapezoid_area(float height, float top_width, float bottom_width) +{ + STBTT_assert(top_width >= 0); + STBTT_assert(bottom_width >= 0); + return (top_width + bottom_width) / 2.0f * height; +} + +static float stbtt__position_trapezoid_area(float height, float tx0, float tx1, float bx0, float bx1) +{ + return stbtt__sized_trapezoid_area(height, tx1 - tx0, bx1 - bx0); +} + +static float stbtt__sized_triangle_area(float height, float width) +{ + return height * width / 2; +} + +static void stbtt__fill_active_edges_new(float *scanline, float *scanline_fill, int len, stbtt__active_edge *e, float y_top) +{ + float y_bottom = y_top+1; + + while (e) { + // brute force every pixel + + // compute intersection points with top & bottom + STBTT_assert(e->ey >= y_top); + + if (e->fdx == 0) { + float x0 = e->fx; + if (x0 < len) { + if (x0 >= 0) { + stbtt__handle_clipped_edge(scanline,(int) x0,e, x0,y_top, x0,y_bottom); + stbtt__handle_clipped_edge(scanline_fill-1,(int) x0+1,e, x0,y_top, x0,y_bottom); + } else { + stbtt__handle_clipped_edge(scanline_fill-1,0,e, x0,y_top, x0,y_bottom); + } + } + } else { + float x0 = e->fx; + float dx = e->fdx; + float xb = x0 + dx; + float x_top, x_bottom; + float sy0,sy1; + float dy = e->fdy; + STBTT_assert(e->sy <= y_bottom && e->ey >= y_top); + + // compute endpoints of line segment clipped to this scanline (if the + // line segment starts on this scanline. x0 is the intersection of the + // line with y_top, but that may be off the line segment. + if (e->sy > y_top) { + x_top = x0 + dx * (e->sy - y_top); + sy0 = e->sy; + } else { + x_top = x0; + sy0 = y_top; + } + if (e->ey < y_bottom) { + x_bottom = x0 + dx * (e->ey - y_top); + sy1 = e->ey; + } else { + x_bottom = xb; + sy1 = y_bottom; + } + + if (x_top >= 0 && x_bottom >= 0 && x_top < len && x_bottom < len) { + // from here on, we don't have to range check x values + + if ((int) x_top == (int) x_bottom) { + float height; + // simple case, only spans one pixel + int x = (int) x_top; + height = (sy1 - sy0) * e->direction; + STBTT_assert(x >= 0 && x < len); + scanline[x] += stbtt__position_trapezoid_area(height, x_top, x+1.0f, x_bottom, x+1.0f); + scanline_fill[x] += height; // everything right of this pixel is filled + } else { + int x,x1,x2; + float y_crossing, y_final, step, sign, area; + // covers 2+ pixels + if (x_top > x_bottom) { + // flip scanline vertically; signed area is the same + float t; + sy0 = y_bottom - (sy0 - y_top); + sy1 = y_bottom - (sy1 - y_top); + t = sy0, sy0 = sy1, sy1 = t; + t = x_bottom, x_bottom = x_top, x_top = t; + dx = -dx; + dy = -dy; + t = x0, x0 = xb, xb = t; + } + STBTT_assert(dy >= 0); + STBTT_assert(dx >= 0); + + x1 = (int) x_top; + x2 = (int) x_bottom; + // compute intersection with y axis at x1+1 + y_crossing = y_top + dy * (x1+1 - x0); + + // compute intersection with y axis at x2 + y_final = y_top + dy * (x2 - x0); + + // x1 x_top x2 x_bottom + // y_top +------|-----+------------+------------+--------|---+------------+ + // | | | | | | + // | | | | | | + // sy0 | Txxxxx|............|............|............|............| + // y_crossing | *xxxxx.......|............|............|............| + // | | xxxxx..|............|............|............| + // | | /- xx*xxxx........|............|............| + // | | dy < | xxxxxx..|............|............| + // y_final | | \- | xx*xxx.........|............| + // sy1 | | | | xxxxxB...|............| + // | | | | | | + // | | | | | | + // y_bottom +------------+------------+------------+------------+------------+ + // + // goal is to measure the area covered by '.' in each pixel + + // if x2 is right at the right edge of x1, y_crossing can blow up, github #1057 + // @TODO: maybe test against sy1 rather than y_bottom? + if (y_crossing > y_bottom) + y_crossing = y_bottom; + + sign = e->direction; + + // area of the rectangle covered from sy0..y_crossing + area = sign * (y_crossing-sy0); + + // area of the triangle (x_top,sy0), (x1+1,sy0), (x1+1,y_crossing) + scanline[x1] += stbtt__sized_triangle_area(area, x1+1 - x_top); + + // check if final y_crossing is blown up; no test case for this + if (y_final > y_bottom) { + y_final = y_bottom; + dy = (y_final - y_crossing ) / (x2 - (x1+1)); // if denom=0, y_final = y_crossing, so y_final <= y_bottom + } + + // in second pixel, area covered by line segment found in first pixel + // is always a rectangle 1 wide * the height of that line segment; this + // is exactly what the variable 'area' stores. it also gets a contribution + // from the line segment within it. the THIRD pixel will get the first + // pixel's rectangle contribution, the second pixel's rectangle contribution, + // and its own contribution. the 'own contribution' is the same in every pixel except + // the leftmost and rightmost, a trapezoid that slides down in each pixel. + // the second pixel's contribution to the third pixel will be the + // rectangle 1 wide times the height change in the second pixel, which is dy. + + step = sign * dy * 1; // dy is dy/dx, change in y for every 1 change in x, + // which multiplied by 1-pixel-width is how much pixel area changes for each step in x + // so the area advances by 'step' every time + + for (x = x1+1; x < x2; ++x) { + scanline[x] += area + step/2; // area of trapezoid is 1*step/2 + area += step; + } + STBTT_assert(STBTT_fabs(area) <= 1.01f); // accumulated error from area += step unless we round step down + STBTT_assert(sy1 > y_final-0.01f); + + // area covered in the last pixel is the rectangle from all the pixels to the left, + // plus the trapezoid filled by the line segment in this pixel all the way to the right edge + scanline[x2] += area + sign * stbtt__position_trapezoid_area(sy1-y_final, (float) x2, x2+1.0f, x_bottom, x2+1.0f); + + // the rest of the line is filled based on the total height of the line segment in this pixel + scanline_fill[x2] += sign * (sy1-sy0); + } + } else { + // if edge goes outside of box we're drawing, we require + // clipping logic. since this does not match the intended use + // of this library, we use a different, very slow brute + // force implementation + // note though that this does happen some of the time because + // x_top and x_bottom can be extrapolated at the top & bottom of + // the shape and actually lie outside the bounding box + int x; + for (x=0; x < len; ++x) { + // cases: + // + // there can be up to two intersections with the pixel. any intersection + // with left or right edges can be handled by splitting into two (or three) + // regions. intersections with top & bottom do not necessitate case-wise logic. + // + // the old way of doing this found the intersections with the left & right edges, + // then used some simple logic to produce up to three segments in sorted order + // from top-to-bottom. however, this had a problem: if an x edge was epsilon + // across the x border, then the corresponding y position might not be distinct + // from the other y segment, and it might ignored as an empty segment. to avoid + // that, we need to explicitly produce segments based on x positions. + + // rename variables to clearly-defined pairs + float y0 = y_top; + float x1 = (float) (x); + float x2 = (float) (x+1); + float x3 = xb; + float y3 = y_bottom; + + // x = e->x + e->dx * (y-y_top) + // (y-y_top) = (x - e->x) / e->dx + // y = (x - e->x) / e->dx + y_top + float y1 = (x - x0) / dx + y_top; + float y2 = (x+1 - x0) / dx + y_top; + + if (x0 < x1 && x3 > x2) { // three segments descending down-right + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); + } else if (x3 < x1 && x0 > x2) { // three segments descending down-left + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x3,y3); + } else if (x0 < x1 && x3 > x1) { // two segments across x, down-right + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x3,y3); + } else if (x3 < x1 && x0 > x1) { // two segments across x, down-left + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x3,y3); + } else if (x0 < x2 && x3 > x2) { // two segments across x+1, down-right + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); + } else if (x3 < x2 && x0 > x2) { // two segments across x+1, down-left + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); + } else { // one segment + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x3,y3); + } + } + } + } + e = e->next; + } +} + +// directly AA rasterize edges w/o supersampling +static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e, int n, int vsubsample, int off_x, int off_y, void *userdata) +{ + stbtt__hheap hh = { 0, 0, 0 }; + stbtt__active_edge *active = NULL; + int y,j=0, i; + float scanline_data[129], *scanline, *scanline2; + + STBTT__NOTUSED(vsubsample); + + if (result->w > 64) + scanline = (float *) STBTT_malloc((result->w*2+1) * sizeof(float), userdata); + else + scanline = scanline_data; + + scanline2 = scanline + result->w; + + y = off_y; + e[n].y0 = (float) (off_y + result->h) + 1; + + while (j < result->h) { + // find center of pixel for this scanline + float scan_y_top = y + 0.0f; + float scan_y_bottom = y + 1.0f; + stbtt__active_edge **step = &active; + + STBTT_memset(scanline , 0, result->w*sizeof(scanline[0])); + STBTT_memset(scanline2, 0, (result->w+1)*sizeof(scanline[0])); + + // update all active edges; + // remove all active edges that terminate before the top of this scanline + while (*step) { + stbtt__active_edge * z = *step; + if (z->ey <= scan_y_top) { + *step = z->next; // delete from list + STBTT_assert(z->direction); + z->direction = 0; + stbtt__hheap_free(&hh, z); + } else { + step = &((*step)->next); // advance through list + } + } + + // insert all edges that start before the bottom of this scanline + while (e->y0 <= scan_y_bottom) { + if (e->y0 != e->y1) { + stbtt__active_edge *z = stbtt__new_active(&hh, e, off_x, scan_y_top, userdata); + if (z != NULL) { + if (j == 0 && off_y != 0) { + if (z->ey < scan_y_top) { + // this can happen due to subpixel positioning and some kind of fp rounding error i think + z->ey = scan_y_top; + } + } + STBTT_assert(z->ey >= scan_y_top); // if we get really unlucky a tiny bit of an edge can be out of bounds + // insert at front + z->next = active; + active = z; + } + } + ++e; + } + + // now process all active edges + if (active) + stbtt__fill_active_edges_new(scanline, scanline2+1, result->w, active, scan_y_top); + + { + float sum = 0; + for (i=0; i < result->w; ++i) { + float k; + int m; + sum += scanline2[i]; + k = scanline[i] + sum; + k = (float) STBTT_fabs(k)*255 + 0.5f; + m = (int) k; + if (m > 255) m = 255; + result->pixels[j*result->stride + i] = (unsigned char) m; + } + } + // advance all the edges + step = &active; + while (*step) { + stbtt__active_edge *z = *step; + z->fx += z->fdx; // advance to position for current scanline + step = &((*step)->next); // advance through list + } + + ++y; + ++j; + } + + stbtt__hheap_cleanup(&hh, userdata); + + if (scanline != scanline_data) + STBTT_free(scanline, userdata); +} +#else +#error "Unrecognized value of STBTT_RASTERIZER_VERSION" +#endif + +#define STBTT__COMPARE(a,b) ((a)->y0 < (b)->y0) + +static void stbtt__sort_edges_ins_sort(stbtt__edge *p, int n) +{ + int i,j; + for (i=1; i < n; ++i) { + stbtt__edge t = p[i], *a = &t; + j = i; + while (j > 0) { + stbtt__edge *b = &p[j-1]; + int c = STBTT__COMPARE(a,b); + if (!c) break; + p[j] = p[j-1]; + --j; + } + if (i != j) + p[j] = t; + } +} + +static void stbtt__sort_edges_quicksort(stbtt__edge *p, int n) +{ + /* threshold for transitioning to insertion sort */ + while (n > 12) { + stbtt__edge t; + int c01,c12,c,m,i,j; + + /* compute median of three */ + m = n >> 1; + c01 = STBTT__COMPARE(&p[0],&p[m]); + c12 = STBTT__COMPARE(&p[m],&p[n-1]); + /* if 0 >= mid >= end, or 0 < mid < end, then use mid */ + if (c01 != c12) { + /* otherwise, we'll need to swap something else to middle */ + int z; + c = STBTT__COMPARE(&p[0],&p[n-1]); + /* 0>mid && midn => n; 0 0 */ + /* 0n: 0>n => 0; 0 n */ + z = (c == c12) ? 0 : n-1; + t = p[z]; + p[z] = p[m]; + p[m] = t; + } + /* now p[m] is the median-of-three */ + /* swap it to the beginning so it won't move around */ + t = p[0]; + p[0] = p[m]; + p[m] = t; + + /* partition loop */ + i=1; + j=n-1; + for(;;) { + /* handling of equality is crucial here */ + /* for sentinels & efficiency with duplicates */ + for (;;++i) { + if (!STBTT__COMPARE(&p[i], &p[0])) break; + } + for (;;--j) { + if (!STBTT__COMPARE(&p[0], &p[j])) break; + } + /* make sure we haven't crossed */ + if (i >= j) break; + t = p[i]; + p[i] = p[j]; + p[j] = t; + + ++i; + --j; + } + /* recurse on smaller side, iterate on larger */ + if (j < (n-i)) { + stbtt__sort_edges_quicksort(p,j); + p = p+i; + n = n-i; + } else { + stbtt__sort_edges_quicksort(p+i, n-i); + n = j; + } + } +} + +static void stbtt__sort_edges(stbtt__edge *p, int n) +{ + stbtt__sort_edges_quicksort(p, n); + stbtt__sort_edges_ins_sort(p, n); +} + +typedef struct +{ + float x,y; +} stbtt__point; + +static void stbtt__rasterize(stbtt__bitmap *result, stbtt__point *pts, int *wcount, int windings, float scale_x, float scale_y, float shift_x, float shift_y, int off_x, int off_y, int invert, void *userdata) +{ + float y_scale_inv = invert ? -scale_y : scale_y; + stbtt__edge *e; + int n,i,j,k,m; +#if STBTT_RASTERIZER_VERSION == 1 + int vsubsample = result->h < 8 ? 15 : 5; +#elif STBTT_RASTERIZER_VERSION == 2 + int vsubsample = 1; +#else + #error "Unrecognized value of STBTT_RASTERIZER_VERSION" +#endif + // vsubsample should divide 255 evenly; otherwise we won't reach full opacity + + // now we have to blow out the windings into explicit edge lists + n = 0; + for (i=0; i < windings; ++i) + n += wcount[i]; + + e = (stbtt__edge *) STBTT_malloc(sizeof(*e) * (n+1), userdata); // add an extra one as a sentinel + if (e == 0) return; + n = 0; + + m=0; + for (i=0; i < windings; ++i) { + stbtt__point *p = pts + m; + m += wcount[i]; + j = wcount[i]-1; + for (k=0; k < wcount[i]; j=k++) { + int a=k,b=j; + // skip the edge if horizontal + if (p[j].y == p[k].y) + continue; + // add edge from j to k to the list + e[n].invert = 0; + if (invert ? p[j].y > p[k].y : p[j].y < p[k].y) { + e[n].invert = 1; + a=j,b=k; + } + e[n].x0 = p[a].x * scale_x + shift_x; + e[n].y0 = (p[a].y * y_scale_inv + shift_y) * vsubsample; + e[n].x1 = p[b].x * scale_x + shift_x; + e[n].y1 = (p[b].y * y_scale_inv + shift_y) * vsubsample; + ++n; + } + } + + // now sort the edges by their highest point (should snap to integer, and then by x) + //STBTT_sort(e, n, sizeof(e[0]), stbtt__edge_compare); + stbtt__sort_edges(e, n); + + // now, traverse the scanlines and find the intersections on each scanline, use xor winding rule + stbtt__rasterize_sorted_edges(result, e, n, vsubsample, off_x, off_y, userdata); + + STBTT_free(e, userdata); +} + +static void stbtt__add_point(stbtt__point *points, int n, float x, float y) +{ + if (!points) return; // during first pass, it's unallocated + points[n].x = x; + points[n].y = y; +} + +// tessellate until threshold p is happy... @TODO warped to compensate for non-linear stretching +static int stbtt__tesselate_curve(stbtt__point *points, int *num_points, float x0, float y0, float x1, float y1, float x2, float y2, float objspace_flatness_squared, int n) +{ + // midpoint + float mx = (x0 + 2*x1 + x2)/4; + float my = (y0 + 2*y1 + y2)/4; + // versus directly drawn line + float dx = (x0+x2)/2 - mx; + float dy = (y0+y2)/2 - my; + if (n > 16) // 65536 segments on one curve better be enough! + return 1; + if (dx*dx+dy*dy > objspace_flatness_squared) { // half-pixel error allowed... need to be smaller if AA + stbtt__tesselate_curve(points, num_points, x0,y0, (x0+x1)/2.0f,(y0+y1)/2.0f, mx,my, objspace_flatness_squared,n+1); + stbtt__tesselate_curve(points, num_points, mx,my, (x1+x2)/2.0f,(y1+y2)/2.0f, x2,y2, objspace_flatness_squared,n+1); + } else { + stbtt__add_point(points, *num_points,x2,y2); + *num_points = *num_points+1; + } + return 1; +} + +static void stbtt__tesselate_cubic(stbtt__point *points, int *num_points, float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3, float objspace_flatness_squared, int n) +{ + // @TODO this "flatness" calculation is just made-up nonsense that seems to work well enough + float dx0 = x1-x0; + float dy0 = y1-y0; + float dx1 = x2-x1; + float dy1 = y2-y1; + float dx2 = x3-x2; + float dy2 = y3-y2; + float dx = x3-x0; + float dy = y3-y0; + float longlen = (float) (STBTT_sqrt(dx0*dx0+dy0*dy0)+STBTT_sqrt(dx1*dx1+dy1*dy1)+STBTT_sqrt(dx2*dx2+dy2*dy2)); + float shortlen = (float) STBTT_sqrt(dx*dx+dy*dy); + float flatness_squared = longlen*longlen-shortlen*shortlen; + + if (n > 16) // 65536 segments on one curve better be enough! + return; + + if (flatness_squared > objspace_flatness_squared) { + float x01 = (x0+x1)/2; + float y01 = (y0+y1)/2; + float x12 = (x1+x2)/2; + float y12 = (y1+y2)/2; + float x23 = (x2+x3)/2; + float y23 = (y2+y3)/2; + + float xa = (x01+x12)/2; + float ya = (y01+y12)/2; + float xb = (x12+x23)/2; + float yb = (y12+y23)/2; + + float mx = (xa+xb)/2; + float my = (ya+yb)/2; + + stbtt__tesselate_cubic(points, num_points, x0,y0, x01,y01, xa,ya, mx,my, objspace_flatness_squared,n+1); + stbtt__tesselate_cubic(points, num_points, mx,my, xb,yb, x23,y23, x3,y3, objspace_flatness_squared,n+1); + } else { + stbtt__add_point(points, *num_points,x3,y3); + *num_points = *num_points+1; + } +} + +// returns number of contours +static stbtt__point *stbtt_FlattenCurves(stbtt_vertex *vertices, int num_verts, float objspace_flatness, int **contour_lengths, int *num_contours, void *userdata) +{ + stbtt__point *points=0; + int num_points=0; + + float objspace_flatness_squared = objspace_flatness * objspace_flatness; + int i,n=0,start=0, pass; + + // count how many "moves" there are to get the contour count + for (i=0; i < num_verts; ++i) + if (vertices[i].type == STBTT_vmove) + ++n; + + *num_contours = n; + if (n == 0) return 0; + + *contour_lengths = (int *) STBTT_malloc(sizeof(**contour_lengths) * n, userdata); + + if (*contour_lengths == 0) { + *num_contours = 0; + return 0; + } + + // make two passes through the points so we don't need to realloc + for (pass=0; pass < 2; ++pass) { + float x=0,y=0; + if (pass == 1) { + points = (stbtt__point *) STBTT_malloc(num_points * sizeof(points[0]), userdata); + if (points == NULL) goto error; + } + num_points = 0; + n= -1; + for (i=0; i < num_verts; ++i) { + switch (vertices[i].type) { + case STBTT_vmove: + // start the next contour + if (n >= 0) + (*contour_lengths)[n] = num_points - start; + ++n; + start = num_points; + + x = vertices[i].x, y = vertices[i].y; + stbtt__add_point(points, num_points++, x,y); + break; + case STBTT_vline: + x = vertices[i].x, y = vertices[i].y; + stbtt__add_point(points, num_points++, x, y); + break; + case STBTT_vcurve: + stbtt__tesselate_curve(points, &num_points, x,y, + vertices[i].cx, vertices[i].cy, + vertices[i].x, vertices[i].y, + objspace_flatness_squared, 0); + x = vertices[i].x, y = vertices[i].y; + break; + case STBTT_vcubic: + stbtt__tesselate_cubic(points, &num_points, x,y, + vertices[i].cx, vertices[i].cy, + vertices[i].cx1, vertices[i].cy1, + vertices[i].x, vertices[i].y, + objspace_flatness_squared, 0); + x = vertices[i].x, y = vertices[i].y; + break; + } + } + (*contour_lengths)[n] = num_points - start; + } + + return points; +error: + STBTT_free(points, userdata); + STBTT_free(*contour_lengths, userdata); + *contour_lengths = 0; + *num_contours = 0; + return NULL; +} + +STBTT_DEF void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vertex *vertices, int num_verts, float scale_x, float scale_y, float shift_x, float shift_y, int x_off, int y_off, int invert, void *userdata) +{ + float scale = scale_x > scale_y ? scale_y : scale_x; + int winding_count = 0; + int *winding_lengths = NULL; + stbtt__point *windings = stbtt_FlattenCurves(vertices, num_verts, flatness_in_pixels / scale, &winding_lengths, &winding_count, userdata); + if (windings) { + stbtt__rasterize(result, windings, winding_lengths, winding_count, scale_x, scale_y, shift_x, shift_y, x_off, y_off, invert, userdata); + STBTT_free(winding_lengths, userdata); + STBTT_free(windings, userdata); + } +} + +STBTT_DEF void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata) +{ + STBTT_free(bitmap, userdata); +} + +STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff) +{ + int ix0,iy0,ix1,iy1; + stbtt__bitmap gbm; + stbtt_vertex *vertices; + int num_verts = stbtt_GetGlyphShape(info, glyph, &vertices); + + if (scale_x == 0) scale_x = scale_y; + if (scale_y == 0) { + if (scale_x == 0) { + STBTT_free(vertices, info->userdata); + return NULL; + } + scale_y = scale_x; + } + + stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, shift_y, &ix0,&iy0,&ix1,&iy1); + + // now we get the size + gbm.w = (ix1 - ix0); + gbm.h = (iy1 - iy0); + gbm.pixels = NULL; // in case we error + + if (width ) *width = gbm.w; + if (height) *height = gbm.h; + if (xoff ) *xoff = ix0; + if (yoff ) *yoff = iy0; + + if (gbm.w && gbm.h) { + gbm.pixels = (unsigned char *) STBTT_malloc(gbm.w * gbm.h, info->userdata); + if (gbm.pixels) { + gbm.stride = gbm.w; + + stbtt_Rasterize(&gbm, 0.35f, vertices, num_verts, scale_x, scale_y, shift_x, shift_y, ix0, iy0, 1, info->userdata); + } + } + STBTT_free(vertices, info->userdata); + return gbm.pixels; +} + +STBTT_DEF unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetGlyphBitmapSubpixel(info, scale_x, scale_y, 0.0f, 0.0f, glyph, width, height, xoff, yoff); +} + +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph) +{ + int ix0,iy0; + stbtt_vertex *vertices; + int num_verts = stbtt_GetGlyphShape(info, glyph, &vertices); + stbtt__bitmap gbm; + + stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, shift_y, &ix0,&iy0,0,0); + gbm.pixels = output; + gbm.w = out_w; + gbm.h = out_h; + gbm.stride = out_stride; + + if (gbm.w && gbm.h) + stbtt_Rasterize(&gbm, 0.35f, vertices, num_verts, scale_x, scale_y, shift_x, shift_y, ix0,iy0, 1, info->userdata); + + STBTT_free(vertices, info->userdata); +} + +STBTT_DEF void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph) +{ + stbtt_MakeGlyphBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, 0.0f,0.0f, glyph); +} + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetGlyphBitmapSubpixel(info, scale_x, scale_y,shift_x,shift_y, stbtt_FindGlyphIndex(info,codepoint), width,height,xoff,yoff); +} + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int oversample_x, int oversample_y, float *sub_x, float *sub_y, int codepoint) +{ + stbtt_MakeGlyphBitmapSubpixelPrefilter(info, output, out_w, out_h, out_stride, scale_x, scale_y, shift_x, shift_y, oversample_x, oversample_y, sub_x, sub_y, stbtt_FindGlyphIndex(info,codepoint)); +} + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint) +{ + stbtt_MakeGlyphBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, shift_x, shift_y, stbtt_FindGlyphIndex(info,codepoint)); +} + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetCodepointBitmapSubpixel(info, scale_x, scale_y, 0.0f,0.0f, codepoint, width,height,xoff,yoff); +} + +STBTT_DEF void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint) +{ + stbtt_MakeCodepointBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, 0.0f,0.0f, codepoint); +} + +////////////////////////////////////////////////////////////////////////////// +// +// bitmap baking +// +// This is SUPER-CRAPPY packing to keep source code small + +static int stbtt_BakeFontBitmap_internal(unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) + float pixel_height, // height of font in pixels + unsigned char *pixels, int pw, int ph, // bitmap to be filled in + int first_char, int num_chars, // characters to bake + stbtt_bakedchar *chardata) +{ + float scale; + int x,y,bottom_y, i; + stbtt_fontinfo f; + f.userdata = NULL; + if (!stbtt_InitFont(&f, data, offset)) + return -1; + STBTT_memset(pixels, 0, pw*ph); // background of 0 around pixels + x=y=1; + bottom_y = 1; + + scale = stbtt_ScaleForPixelHeight(&f, pixel_height); + + for (i=0; i < num_chars; ++i) { + int advance, lsb, x0,y0,x1,y1,gw,gh; + int g = stbtt_FindGlyphIndex(&f, first_char + i); + stbtt_GetGlyphHMetrics(&f, g, &advance, &lsb); + stbtt_GetGlyphBitmapBox(&f, g, scale,scale, &x0,&y0,&x1,&y1); + gw = x1-x0; + gh = y1-y0; + if (x + gw + 1 >= pw) + y = bottom_y, x = 1; // advance to next row + if (y + gh + 1 >= ph) // check if it fits vertically AFTER potentially moving to next row + return -i; + STBTT_assert(x+gw < pw); + STBTT_assert(y+gh < ph); + stbtt_MakeGlyphBitmap(&f, pixels+x+y*pw, gw,gh,pw, scale,scale, g); + chardata[i].x0 = (stbtt_int16) x; + chardata[i].y0 = (stbtt_int16) y; + chardata[i].x1 = (stbtt_int16) (x + gw); + chardata[i].y1 = (stbtt_int16) (y + gh); + chardata[i].xadvance = scale * advance; + chardata[i].xoff = (float) x0; + chardata[i].yoff = (float) y0; + x = x + gw + 1; + if (y+gh+1 > bottom_y) + bottom_y = y+gh+1; + } + return bottom_y; +} + +STBTT_DEF void stbtt_GetBakedQuad(const stbtt_bakedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int opengl_fillrule) +{ + float d3d_bias = opengl_fillrule ? 0 : -0.5f; + float ipw = 1.0f / pw, iph = 1.0f / ph; + const stbtt_bakedchar *b = chardata + char_index; + int round_x = STBTT_ifloor((*xpos + b->xoff) + 0.5f); + int round_y = STBTT_ifloor((*ypos + b->yoff) + 0.5f); + + q->x0 = round_x + d3d_bias; + q->y0 = round_y + d3d_bias; + q->x1 = round_x + b->x1 - b->x0 + d3d_bias; + q->y1 = round_y + b->y1 - b->y0 + d3d_bias; + + q->s0 = b->x0 * ipw; + q->t0 = b->y0 * iph; + q->s1 = b->x1 * ipw; + q->t1 = b->y1 * iph; + + *xpos += b->xadvance; +} + +////////////////////////////////////////////////////////////////////////////// +// +// rectangle packing replacement routines if you don't have stb_rect_pack.h +// + +#ifndef STB_RECT_PACK_VERSION + +typedef int stbrp_coord; + +//////////////////////////////////////////////////////////////////////////////////// +// // +// // +// COMPILER WARNING ?!?!? // +// // +// // +// if you get a compile warning due to these symbols being defined more than // +// once, move #include "stb_rect_pack.h" before #include "stb_truetype.h" // +// // +//////////////////////////////////////////////////////////////////////////////////// + +typedef struct +{ + int width,height; + int x,y,bottom_y; +} stbrp_context; + +typedef struct +{ + unsigned char x; +} stbrp_node; + +struct stbrp_rect +{ + stbrp_coord x,y; + int id,w,h,was_packed; +}; + +static void stbrp_init_target(stbrp_context *con, int pw, int ph, stbrp_node *nodes, int num_nodes) +{ + con->width = pw; + con->height = ph; + con->x = 0; + con->y = 0; + con->bottom_y = 0; + STBTT__NOTUSED(nodes); + STBTT__NOTUSED(num_nodes); +} + +static void stbrp_pack_rects(stbrp_context *con, stbrp_rect *rects, int num_rects) +{ + int i; + for (i=0; i < num_rects; ++i) { + if (con->x + rects[i].w > con->width) { + con->x = 0; + con->y = con->bottom_y; + } + if (con->y + rects[i].h > con->height) + break; + rects[i].x = con->x; + rects[i].y = con->y; + rects[i].was_packed = 1; + con->x += rects[i].w; + if (con->y + rects[i].h > con->bottom_y) + con->bottom_y = con->y + rects[i].h; + } + for ( ; i < num_rects; ++i) + rects[i].was_packed = 0; +} +#endif + +////////////////////////////////////////////////////////////////////////////// +// +// bitmap baking +// +// This is SUPER-AWESOME (tm Ryan Gordon) packing using stb_rect_pack.h. If +// stb_rect_pack.h isn't available, it uses the BakeFontBitmap strategy. + +STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int pw, int ph, int stride_in_bytes, int padding, void *alloc_context) +{ + stbrp_context *context = (stbrp_context *) STBTT_malloc(sizeof(*context) ,alloc_context); + int num_nodes = pw - padding; + stbrp_node *nodes = (stbrp_node *) STBTT_malloc(sizeof(*nodes ) * num_nodes,alloc_context); + + if (context == NULL || nodes == NULL) { + if (context != NULL) STBTT_free(context, alloc_context); + if (nodes != NULL) STBTT_free(nodes , alloc_context); + return 0; + } + + spc->user_allocator_context = alloc_context; + spc->width = pw; + spc->height = ph; + spc->pixels = pixels; + spc->pack_info = context; + spc->nodes = nodes; + spc->padding = padding; + spc->stride_in_bytes = stride_in_bytes != 0 ? stride_in_bytes : pw; + spc->h_oversample = 1; + spc->v_oversample = 1; + spc->skip_missing = 0; + + stbrp_init_target(context, pw-padding, ph-padding, nodes, num_nodes); + + if (pixels) + STBTT_memset(pixels, 0, pw*ph); // background of 0 around pixels + + return 1; +} + +STBTT_DEF void stbtt_PackEnd (stbtt_pack_context *spc) +{ + STBTT_free(spc->nodes , spc->user_allocator_context); + STBTT_free(spc->pack_info, spc->user_allocator_context); +} + +STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample) +{ + STBTT_assert(h_oversample <= STBTT_MAX_OVERSAMPLE); + STBTT_assert(v_oversample <= STBTT_MAX_OVERSAMPLE); + if (h_oversample <= STBTT_MAX_OVERSAMPLE) + spc->h_oversample = h_oversample; + if (v_oversample <= STBTT_MAX_OVERSAMPLE) + spc->v_oversample = v_oversample; +} + +STBTT_DEF void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *spc, int skip) +{ + spc->skip_missing = skip; +} + +#define STBTT__OVER_MASK (STBTT_MAX_OVERSAMPLE-1) + +static void stbtt__h_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, unsigned int kernel_width) +{ + unsigned char buffer[STBTT_MAX_OVERSAMPLE]; + int safe_w = w - kernel_width; + int j; + STBTT_memset(buffer, 0, STBTT_MAX_OVERSAMPLE); // suppress bogus warning from VS2013 -analyze + for (j=0; j < h; ++j) { + int i; + unsigned int total; + STBTT_memset(buffer, 0, kernel_width); + + total = 0; + + // make kernel_width a constant in common cases so compiler can optimize out the divide + switch (kernel_width) { + case 2: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 2); + } + break; + case 3: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 3); + } + break; + case 4: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 4); + } + break; + case 5: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 5); + } + break; + default: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / kernel_width); + } + break; + } + + for (; i < w; ++i) { + STBTT_assert(pixels[i] == 0); + total -= buffer[i & STBTT__OVER_MASK]; + pixels[i] = (unsigned char) (total / kernel_width); + } + + pixels += stride_in_bytes; + } +} + +static void stbtt__v_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, unsigned int kernel_width) +{ + unsigned char buffer[STBTT_MAX_OVERSAMPLE]; + int safe_h = h - kernel_width; + int j; + STBTT_memset(buffer, 0, STBTT_MAX_OVERSAMPLE); // suppress bogus warning from VS2013 -analyze + for (j=0; j < w; ++j) { + int i; + unsigned int total; + STBTT_memset(buffer, 0, kernel_width); + + total = 0; + + // make kernel_width a constant in common cases so compiler can optimize out the divide + switch (kernel_width) { + case 2: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 2); + } + break; + case 3: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 3); + } + break; + case 4: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 4); + } + break; + case 5: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 5); + } + break; + default: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / kernel_width); + } + break; + } + + for (; i < h; ++i) { + STBTT_assert(pixels[i*stride_in_bytes] == 0); + total -= buffer[i & STBTT__OVER_MASK]; + pixels[i*stride_in_bytes] = (unsigned char) (total / kernel_width); + } + + pixels += 1; + } +} + +static float stbtt__oversample_shift(int oversample) +{ + if (!oversample) + return 0.0f; + + // The prefilter is a box filter of width "oversample", + // which shifts phase by (oversample - 1)/2 pixels in + // oversampled space. We want to shift in the opposite + // direction to counter this. + return (float)-(oversample - 1) / (2.0f * (float)oversample); +} + +// rects array must be big enough to accommodate all characters in the given ranges +STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects) +{ + int i,j,k; + int missing_glyph_added = 0; + + k=0; + for (i=0; i < num_ranges; ++i) { + float fh = ranges[i].font_size; + float scale = fh > 0 ? stbtt_ScaleForPixelHeight(info, fh) : stbtt_ScaleForMappingEmToPixels(info, -fh); + ranges[i].h_oversample = (unsigned char) spc->h_oversample; + ranges[i].v_oversample = (unsigned char) spc->v_oversample; + for (j=0; j < ranges[i].num_chars; ++j) { + int x0,y0,x1,y1; + int codepoint = ranges[i].array_of_unicode_codepoints == NULL ? ranges[i].first_unicode_codepoint_in_range + j : ranges[i].array_of_unicode_codepoints[j]; + int glyph = stbtt_FindGlyphIndex(info, codepoint); + if (glyph == 0 && (spc->skip_missing || missing_glyph_added)) { + rects[k].w = rects[k].h = 0; + } else { + stbtt_GetGlyphBitmapBoxSubpixel(info,glyph, + scale * spc->h_oversample, + scale * spc->v_oversample, + 0,0, + &x0,&y0,&x1,&y1); + rects[k].w = (stbrp_coord) (x1-x0 + spc->padding + spc->h_oversample-1); + rects[k].h = (stbrp_coord) (y1-y0 + spc->padding + spc->v_oversample-1); + if (glyph == 0) + missing_glyph_added = 1; + } + ++k; + } + } + + return k; +} + +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int prefilter_x, int prefilter_y, float *sub_x, float *sub_y, int glyph) +{ + stbtt_MakeGlyphBitmapSubpixel(info, + output, + out_w - (prefilter_x - 1), + out_h - (prefilter_y - 1), + out_stride, + scale_x, + scale_y, + shift_x, + shift_y, + glyph); + + if (prefilter_x > 1) + stbtt__h_prefilter(output, out_w, out_h, out_stride, prefilter_x); + + if (prefilter_y > 1) + stbtt__v_prefilter(output, out_w, out_h, out_stride, prefilter_y); + + *sub_x = stbtt__oversample_shift(prefilter_x); + *sub_y = stbtt__oversample_shift(prefilter_y); +} + +// rects array must be big enough to accommodate all characters in the given ranges +STBTT_DEF int stbtt_PackFontRangesRenderIntoRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects) +{ + int i,j,k, missing_glyph = -1, return_value = 1; + + // save current values + int old_h_over = spc->h_oversample; + int old_v_over = spc->v_oversample; + + k = 0; + for (i=0; i < num_ranges; ++i) { + float fh = ranges[i].font_size; + float scale = fh > 0 ? stbtt_ScaleForPixelHeight(info, fh) : stbtt_ScaleForMappingEmToPixels(info, -fh); + float recip_h,recip_v,sub_x,sub_y; + spc->h_oversample = ranges[i].h_oversample; + spc->v_oversample = ranges[i].v_oversample; + recip_h = 1.0f / spc->h_oversample; + recip_v = 1.0f / spc->v_oversample; + sub_x = stbtt__oversample_shift(spc->h_oversample); + sub_y = stbtt__oversample_shift(spc->v_oversample); + for (j=0; j < ranges[i].num_chars; ++j) { + stbrp_rect *r = &rects[k]; + if (r->was_packed && r->w != 0 && r->h != 0) { + stbtt_packedchar *bc = &ranges[i].chardata_for_range[j]; + int advance, lsb, x0,y0,x1,y1; + int codepoint = ranges[i].array_of_unicode_codepoints == NULL ? ranges[i].first_unicode_codepoint_in_range + j : ranges[i].array_of_unicode_codepoints[j]; + int glyph = stbtt_FindGlyphIndex(info, codepoint); + stbrp_coord pad = (stbrp_coord) spc->padding; + + // pad on left and top + r->x += pad; + r->y += pad; + r->w -= pad; + r->h -= pad; + stbtt_GetGlyphHMetrics(info, glyph, &advance, &lsb); + stbtt_GetGlyphBitmapBox(info, glyph, + scale * spc->h_oversample, + scale * spc->v_oversample, + &x0,&y0,&x1,&y1); + stbtt_MakeGlyphBitmapSubpixel(info, + spc->pixels + r->x + r->y*spc->stride_in_bytes, + r->w - spc->h_oversample+1, + r->h - spc->v_oversample+1, + spc->stride_in_bytes, + scale * spc->h_oversample, + scale * spc->v_oversample, + 0,0, + glyph); + + if (spc->h_oversample > 1) + stbtt__h_prefilter(spc->pixels + r->x + r->y*spc->stride_in_bytes, + r->w, r->h, spc->stride_in_bytes, + spc->h_oversample); + + if (spc->v_oversample > 1) + stbtt__v_prefilter(spc->pixels + r->x + r->y*spc->stride_in_bytes, + r->w, r->h, spc->stride_in_bytes, + spc->v_oversample); + + bc->x0 = (stbtt_int16) r->x; + bc->y0 = (stbtt_int16) r->y; + bc->x1 = (stbtt_int16) (r->x + r->w); + bc->y1 = (stbtt_int16) (r->y + r->h); + bc->xadvance = scale * advance; + bc->xoff = (float) x0 * recip_h + sub_x; + bc->yoff = (float) y0 * recip_v + sub_y; + bc->xoff2 = (x0 + r->w) * recip_h + sub_x; + bc->yoff2 = (y0 + r->h) * recip_v + sub_y; + + if (glyph == 0) + missing_glyph = j; + } else if (spc->skip_missing) { + return_value = 0; + } else if (r->was_packed && r->w == 0 && r->h == 0 && missing_glyph >= 0) { + ranges[i].chardata_for_range[j] = ranges[i].chardata_for_range[missing_glyph]; + } else { + return_value = 0; // if any fail, report failure + } + + ++k; + } + } + + // restore original values + spc->h_oversample = old_h_over; + spc->v_oversample = old_v_over; + + return return_value; +} + +STBTT_DEF void stbtt_PackFontRangesPackRects(stbtt_pack_context *spc, stbrp_rect *rects, int num_rects) +{ + stbrp_pack_rects((stbrp_context *) spc->pack_info, rects, num_rects); +} + +STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges) +{ + stbtt_fontinfo info; + int i,j,n, return_value = 1; + //stbrp_context *context = (stbrp_context *) spc->pack_info; + stbrp_rect *rects; + + // flag all characters as NOT packed + for (i=0; i < num_ranges; ++i) + for (j=0; j < ranges[i].num_chars; ++j) + ranges[i].chardata_for_range[j].x0 = + ranges[i].chardata_for_range[j].y0 = + ranges[i].chardata_for_range[j].x1 = + ranges[i].chardata_for_range[j].y1 = 0; + + n = 0; + for (i=0; i < num_ranges; ++i) + n += ranges[i].num_chars; + + rects = (stbrp_rect *) STBTT_malloc(sizeof(*rects) * n, spc->user_allocator_context); + if (rects == NULL) + return 0; + + info.userdata = spc->user_allocator_context; + stbtt_InitFont(&info, fontdata, stbtt_GetFontOffsetForIndex(fontdata,font_index)); + + n = stbtt_PackFontRangesGatherRects(spc, &info, ranges, num_ranges, rects); + + stbtt_PackFontRangesPackRects(spc, rects, n); + + return_value = stbtt_PackFontRangesRenderIntoRects(spc, &info, ranges, num_ranges, rects); + + STBTT_free(rects, spc->user_allocator_context); + return return_value; +} + +STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, float font_size, + int first_unicode_codepoint_in_range, int num_chars_in_range, stbtt_packedchar *chardata_for_range) +{ + stbtt_pack_range range; + range.first_unicode_codepoint_in_range = first_unicode_codepoint_in_range; + range.array_of_unicode_codepoints = NULL; + range.num_chars = num_chars_in_range; + range.chardata_for_range = chardata_for_range; + range.font_size = font_size; + return stbtt_PackFontRanges(spc, fontdata, font_index, &range, 1); +} + +STBTT_DEF void stbtt_GetScaledFontVMetrics(const unsigned char *fontdata, int index, float size, float *ascent, float *descent, float *lineGap) +{ + int i_ascent, i_descent, i_lineGap; + float scale; + stbtt_fontinfo info; + stbtt_InitFont(&info, fontdata, stbtt_GetFontOffsetForIndex(fontdata, index)); + scale = size > 0 ? stbtt_ScaleForPixelHeight(&info, size) : stbtt_ScaleForMappingEmToPixels(&info, -size); + stbtt_GetFontVMetrics(&info, &i_ascent, &i_descent, &i_lineGap); + *ascent = (float) i_ascent * scale; + *descent = (float) i_descent * scale; + *lineGap = (float) i_lineGap * scale; +} + +STBTT_DEF void stbtt_GetPackedQuad(const stbtt_packedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int align_to_integer) +{ + float ipw = 1.0f / pw, iph = 1.0f / ph; + const stbtt_packedchar *b = chardata + char_index; + + if (align_to_integer) { + float x = (float) STBTT_ifloor((*xpos + b->xoff) + 0.5f); + float y = (float) STBTT_ifloor((*ypos + b->yoff) + 0.5f); + q->x0 = x; + q->y0 = y; + q->x1 = x + b->xoff2 - b->xoff; + q->y1 = y + b->yoff2 - b->yoff; + } else { + q->x0 = *xpos + b->xoff; + q->y0 = *ypos + b->yoff; + q->x1 = *xpos + b->xoff2; + q->y1 = *ypos + b->yoff2; + } + + q->s0 = b->x0 * ipw; + q->t0 = b->y0 * iph; + q->s1 = b->x1 * ipw; + q->t1 = b->y1 * iph; + + *xpos += b->xadvance; +} + +////////////////////////////////////////////////////////////////////////////// +// +// sdf computation +// + +#define STBTT_min(a,b) ((a) < (b) ? (a) : (b)) +#define STBTT_max(a,b) ((a) < (b) ? (b) : (a)) + +static int stbtt__ray_intersect_bezier(float orig[2], float ray[2], float q0[2], float q1[2], float q2[2], float hits[2][2]) +{ + float q0perp = q0[1]*ray[0] - q0[0]*ray[1]; + float q1perp = q1[1]*ray[0] - q1[0]*ray[1]; + float q2perp = q2[1]*ray[0] - q2[0]*ray[1]; + float roperp = orig[1]*ray[0] - orig[0]*ray[1]; + + float a = q0perp - 2*q1perp + q2perp; + float b = q1perp - q0perp; + float c = q0perp - roperp; + + float s0 = 0., s1 = 0.; + int num_s = 0; + + if (a != 0.0) { + float discr = b*b - a*c; + if (discr > 0.0) { + float rcpna = -1 / a; + float d = (float) STBTT_sqrt(discr); + s0 = (b+d) * rcpna; + s1 = (b-d) * rcpna; + if (s0 >= 0.0 && s0 <= 1.0) + num_s = 1; + if (d > 0.0 && s1 >= 0.0 && s1 <= 1.0) { + if (num_s == 0) s0 = s1; + ++num_s; + } + } + } else { + // 2*b*s + c = 0 + // s = -c / (2*b) + s0 = c / (-2 * b); + if (s0 >= 0.0 && s0 <= 1.0) + num_s = 1; + } + + if (num_s == 0) + return 0; + else { + float rcp_len2 = 1 / (ray[0]*ray[0] + ray[1]*ray[1]); + float rayn_x = ray[0] * rcp_len2, rayn_y = ray[1] * rcp_len2; + + float q0d = q0[0]*rayn_x + q0[1]*rayn_y; + float q1d = q1[0]*rayn_x + q1[1]*rayn_y; + float q2d = q2[0]*rayn_x + q2[1]*rayn_y; + float rod = orig[0]*rayn_x + orig[1]*rayn_y; + + float q10d = q1d - q0d; + float q20d = q2d - q0d; + float q0rd = q0d - rod; + + hits[0][0] = q0rd + s0*(2.0f - 2.0f*s0)*q10d + s0*s0*q20d; + hits[0][1] = a*s0+b; + + if (num_s > 1) { + hits[1][0] = q0rd + s1*(2.0f - 2.0f*s1)*q10d + s1*s1*q20d; + hits[1][1] = a*s1+b; + return 2; + } else { + return 1; + } + } +} + +static int equal(float *a, float *b) +{ + return (a[0] == b[0] && a[1] == b[1]); +} + +static int stbtt__compute_crossings_x(float x, float y, int nverts, stbtt_vertex *verts) +{ + int i; + float orig[2], ray[2] = { 1, 0 }; + float y_frac; + int winding = 0; + + // make sure y never passes through a vertex of the shape + y_frac = (float) STBTT_fmod(y, 1.0f); + if (y_frac < 0.01f) + y += 0.01f; + else if (y_frac > 0.99f) + y -= 0.01f; + + orig[0] = x; + orig[1] = y; + + // test a ray from (-infinity,y) to (x,y) + for (i=0; i < nverts; ++i) { + if (verts[i].type == STBTT_vline) { + int x0 = (int) verts[i-1].x, y0 = (int) verts[i-1].y; + int x1 = (int) verts[i ].x, y1 = (int) verts[i ].y; + if (y > STBTT_min(y0,y1) && y < STBTT_max(y0,y1) && x > STBTT_min(x0,x1)) { + float x_inter = (y - y0) / (y1 - y0) * (x1-x0) + x0; + if (x_inter < x) + winding += (y0 < y1) ? 1 : -1; + } + } + if (verts[i].type == STBTT_vcurve) { + int x0 = (int) verts[i-1].x , y0 = (int) verts[i-1].y ; + int x1 = (int) verts[i ].cx, y1 = (int) verts[i ].cy; + int x2 = (int) verts[i ].x , y2 = (int) verts[i ].y ; + int ax = STBTT_min(x0,STBTT_min(x1,x2)), ay = STBTT_min(y0,STBTT_min(y1,y2)); + int by = STBTT_max(y0,STBTT_max(y1,y2)); + if (y > ay && y < by && x > ax) { + float q0[2],q1[2],q2[2]; + float hits[2][2]; + q0[0] = (float)x0; + q0[1] = (float)y0; + q1[0] = (float)x1; + q1[1] = (float)y1; + q2[0] = (float)x2; + q2[1] = (float)y2; + if (equal(q0,q1) || equal(q1,q2)) { + x0 = (int)verts[i-1].x; + y0 = (int)verts[i-1].y; + x1 = (int)verts[i ].x; + y1 = (int)verts[i ].y; + if (y > STBTT_min(y0,y1) && y < STBTT_max(y0,y1) && x > STBTT_min(x0,x1)) { + float x_inter = (y - y0) / (y1 - y0) * (x1-x0) + x0; + if (x_inter < x) + winding += (y0 < y1) ? 1 : -1; + } + } else { + int num_hits = stbtt__ray_intersect_bezier(orig, ray, q0, q1, q2, hits); + if (num_hits >= 1) + if (hits[0][0] < 0) + winding += (hits[0][1] < 0 ? -1 : 1); + if (num_hits >= 2) + if (hits[1][0] < 0) + winding += (hits[1][1] < 0 ? -1 : 1); + } + } + } + } + return winding; +} + +static float stbtt__cuberoot( float x ) +{ + if (x<0) + return -(float) STBTT_pow(-x,1.0f/3.0f); + else + return (float) STBTT_pow( x,1.0f/3.0f); +} + +// x^3 + a*x^2 + b*x + c = 0 +static int stbtt__solve_cubic(float a, float b, float c, float* r) +{ + float s = -a / 3; + float p = b - a*a / 3; + float q = a * (2*a*a - 9*b) / 27 + c; + float p3 = p*p*p; + float d = q*q + 4*p3 / 27; + if (d >= 0) { + float z = (float) STBTT_sqrt(d); + float u = (-q + z) / 2; + float v = (-q - z) / 2; + u = stbtt__cuberoot(u); + v = stbtt__cuberoot(v); + r[0] = s + u + v; + return 1; + } else { + float u = (float) STBTT_sqrt(-p/3); + float v = (float) STBTT_acos(-STBTT_sqrt(-27/p3) * q / 2) / 3; // p3 must be negative, since d is negative + float m = (float) STBTT_cos(v); + float n = (float) STBTT_cos(v-3.141592/2)*1.732050808f; + r[0] = s + u * 2 * m; + r[1] = s - u * (m + n); + r[2] = s - u * (m - n); + + //STBTT_assert( STBTT_fabs(((r[0]+a)*r[0]+b)*r[0]+c) < 0.05f); // these asserts may not be safe at all scales, though they're in bezier t parameter units so maybe? + //STBTT_assert( STBTT_fabs(((r[1]+a)*r[1]+b)*r[1]+c) < 0.05f); + //STBTT_assert( STBTT_fabs(((r[2]+a)*r[2]+b)*r[2]+c) < 0.05f); + return 3; + } +} + +STBTT_DEF unsigned char * stbtt_GetGlyphSDF(const stbtt_fontinfo *info, float scale, int glyph, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff) +{ + float scale_x = scale, scale_y = scale; + int ix0,iy0,ix1,iy1; + int w,h; + unsigned char *data; + + if (scale == 0) return NULL; + + stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale, scale, 0.0f,0.0f, &ix0,&iy0,&ix1,&iy1); + + // if empty, return NULL + if (ix0 == ix1 || iy0 == iy1) + return NULL; + + ix0 -= padding; + iy0 -= padding; + ix1 += padding; + iy1 += padding; + + w = (ix1 - ix0); + h = (iy1 - iy0); + + if (width ) *width = w; + if (height) *height = h; + if (xoff ) *xoff = ix0; + if (yoff ) *yoff = iy0; + + // invert for y-downwards bitmaps + scale_y = -scale_y; + + { + int x,y,i,j; + float *precompute; + stbtt_vertex *verts; + int num_verts = stbtt_GetGlyphShape(info, glyph, &verts); + data = (unsigned char *) STBTT_malloc(w * h, info->userdata); + precompute = (float *) STBTT_malloc(num_verts * sizeof(float), info->userdata); + + for (i=0,j=num_verts-1; i < num_verts; j=i++) { + if (verts[i].type == STBTT_vline) { + float x0 = verts[i].x*scale_x, y0 = verts[i].y*scale_y; + float x1 = verts[j].x*scale_x, y1 = verts[j].y*scale_y; + float dist = (float) STBTT_sqrt((x1-x0)*(x1-x0) + (y1-y0)*(y1-y0)); + precompute[i] = (dist == 0) ? 0.0f : 1.0f / dist; + } else if (verts[i].type == STBTT_vcurve) { + float x2 = verts[j].x *scale_x, y2 = verts[j].y *scale_y; + float x1 = verts[i].cx*scale_x, y1 = verts[i].cy*scale_y; + float x0 = verts[i].x *scale_x, y0 = verts[i].y *scale_y; + float bx = x0 - 2*x1 + x2, by = y0 - 2*y1 + y2; + float len2 = bx*bx + by*by; + if (len2 != 0.0f) + precompute[i] = 1.0f / (bx*bx + by*by); + else + precompute[i] = 0.0f; + } else + precompute[i] = 0.0f; + } + + for (y=iy0; y < iy1; ++y) { + for (x=ix0; x < ix1; ++x) { + float val; + float min_dist = 999999.0f; + float sx = (float) x + 0.5f; + float sy = (float) y + 0.5f; + float x_gspace = (sx / scale_x); + float y_gspace = (sy / scale_y); + + int winding = stbtt__compute_crossings_x(x_gspace, y_gspace, num_verts, verts); // @OPTIMIZE: this could just be a rasterization, but needs to be line vs. non-tesselated curves so a new path + + for (i=0; i < num_verts; ++i) { + float x0 = verts[i].x*scale_x, y0 = verts[i].y*scale_y; + + if (verts[i].type == STBTT_vline && precompute[i] != 0.0f) { + float x1 = verts[i-1].x*scale_x, y1 = verts[i-1].y*scale_y; + + float dist,dist2 = (x0-sx)*(x0-sx) + (y0-sy)*(y0-sy); + if (dist2 < min_dist*min_dist) + min_dist = (float) STBTT_sqrt(dist2); + + // coarse culling against bbox + //if (sx > STBTT_min(x0,x1)-min_dist && sx < STBTT_max(x0,x1)+min_dist && + // sy > STBTT_min(y0,y1)-min_dist && sy < STBTT_max(y0,y1)+min_dist) + dist = (float) STBTT_fabs((x1-x0)*(y0-sy) - (y1-y0)*(x0-sx)) * precompute[i]; + STBTT_assert(i != 0); + if (dist < min_dist) { + // check position along line + // x' = x0 + t*(x1-x0), y' = y0 + t*(y1-y0) + // minimize (x'-sx)*(x'-sx)+(y'-sy)*(y'-sy) + float dx = x1-x0, dy = y1-y0; + float px = x0-sx, py = y0-sy; + // minimize (px+t*dx)^2 + (py+t*dy)^2 = px*px + 2*px*dx*t + t^2*dx*dx + py*py + 2*py*dy*t + t^2*dy*dy + // derivative: 2*px*dx + 2*py*dy + (2*dx*dx+2*dy*dy)*t, set to 0 and solve + float t = -(px*dx + py*dy) / (dx*dx + dy*dy); + if (t >= 0.0f && t <= 1.0f) + min_dist = dist; + } + } else if (verts[i].type == STBTT_vcurve) { + float x2 = verts[i-1].x *scale_x, y2 = verts[i-1].y *scale_y; + float x1 = verts[i ].cx*scale_x, y1 = verts[i ].cy*scale_y; + float box_x0 = STBTT_min(STBTT_min(x0,x1),x2); + float box_y0 = STBTT_min(STBTT_min(y0,y1),y2); + float box_x1 = STBTT_max(STBTT_max(x0,x1),x2); + float box_y1 = STBTT_max(STBTT_max(y0,y1),y2); + // coarse culling against bbox to avoid computing cubic unnecessarily + if (sx > box_x0-min_dist && sx < box_x1+min_dist && sy > box_y0-min_dist && sy < box_y1+min_dist) { + int num=0; + float ax = x1-x0, ay = y1-y0; + float bx = x0 - 2*x1 + x2, by = y0 - 2*y1 + y2; + float mx = x0 - sx, my = y0 - sy; + float res[3] = {0.f,0.f,0.f}; + float px,py,t,it,dist2; + float a_inv = precompute[i]; + if (a_inv == 0.0) { // if a_inv is 0, it's 2nd degree so use quadratic formula + float a = 3*(ax*bx + ay*by); + float b = 2*(ax*ax + ay*ay) + (mx*bx+my*by); + float c = mx*ax+my*ay; + if (a == 0.0) { // if a is 0, it's linear + if (b != 0.0) { + res[num++] = -c/b; + } + } else { + float discriminant = b*b - 4*a*c; + if (discriminant < 0) + num = 0; + else { + float root = (float) STBTT_sqrt(discriminant); + res[0] = (-b - root)/(2*a); + res[1] = (-b + root)/(2*a); + num = 2; // don't bother distinguishing 1-solution case, as code below will still work + } + } + } else { + float b = 3*(ax*bx + ay*by) * a_inv; // could precompute this as it doesn't depend on sample point + float c = (2*(ax*ax + ay*ay) + (mx*bx+my*by)) * a_inv; + float d = (mx*ax+my*ay) * a_inv; + num = stbtt__solve_cubic(b, c, d, res); + } + dist2 = (x0-sx)*(x0-sx) + (y0-sy)*(y0-sy); + if (dist2 < min_dist*min_dist) + min_dist = (float) STBTT_sqrt(dist2); + + if (num >= 1 && res[0] >= 0.0f && res[0] <= 1.0f) { + t = res[0], it = 1.0f - t; + px = it*it*x0 + 2*t*it*x1 + t*t*x2; + py = it*it*y0 + 2*t*it*y1 + t*t*y2; + dist2 = (px-sx)*(px-sx) + (py-sy)*(py-sy); + if (dist2 < min_dist * min_dist) + min_dist = (float) STBTT_sqrt(dist2); + } + if (num >= 2 && res[1] >= 0.0f && res[1] <= 1.0f) { + t = res[1], it = 1.0f - t; + px = it*it*x0 + 2*t*it*x1 + t*t*x2; + py = it*it*y0 + 2*t*it*y1 + t*t*y2; + dist2 = (px-sx)*(px-sx) + (py-sy)*(py-sy); + if (dist2 < min_dist * min_dist) + min_dist = (float) STBTT_sqrt(dist2); + } + if (num >= 3 && res[2] >= 0.0f && res[2] <= 1.0f) { + t = res[2], it = 1.0f - t; + px = it*it*x0 + 2*t*it*x1 + t*t*x2; + py = it*it*y0 + 2*t*it*y1 + t*t*y2; + dist2 = (px-sx)*(px-sx) + (py-sy)*(py-sy); + if (dist2 < min_dist * min_dist) + min_dist = (float) STBTT_sqrt(dist2); + } + } + } + } + if (winding == 0) + min_dist = -min_dist; // if outside the shape, value is negative + val = onedge_value + pixel_dist_scale * min_dist; + if (val < 0) + val = 0; + else if (val > 255) + val = 255; + data[(y-iy0)*w+(x-ix0)] = (unsigned char) val; + } + } + STBTT_free(precompute, info->userdata); + STBTT_free(verts, info->userdata); + } + return data; +} + +STBTT_DEF unsigned char * stbtt_GetCodepointSDF(const stbtt_fontinfo *info, float scale, int codepoint, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetGlyphSDF(info, scale, stbtt_FindGlyphIndex(info, codepoint), padding, onedge_value, pixel_dist_scale, width, height, xoff, yoff); +} + +STBTT_DEF void stbtt_FreeSDF(unsigned char *bitmap, void *userdata) +{ + STBTT_free(bitmap, userdata); +} + +////////////////////////////////////////////////////////////////////////////// +// +// font name matching -- recommended not to use this +// + +// check if a utf8 string contains a prefix which is the utf16 string; if so return length of matching utf8 string +static stbtt_int32 stbtt__CompareUTF8toUTF16_bigendian_prefix(stbtt_uint8 *s1, stbtt_int32 len1, stbtt_uint8 *s2, stbtt_int32 len2) +{ + stbtt_int32 i=0; + + // convert utf16 to utf8 and compare the results while converting + while (len2) { + stbtt_uint16 ch = s2[0]*256 + s2[1]; + if (ch < 0x80) { + if (i >= len1) return -1; + if (s1[i++] != ch) return -1; + } else if (ch < 0x800) { + if (i+1 >= len1) return -1; + if (s1[i++] != 0xc0 + (ch >> 6)) return -1; + if (s1[i++] != 0x80 + (ch & 0x3f)) return -1; + } else if (ch >= 0xd800 && ch < 0xdc00) { + stbtt_uint32 c; + stbtt_uint16 ch2 = s2[2]*256 + s2[3]; + if (i+3 >= len1) return -1; + c = ((ch - 0xd800) << 10) + (ch2 - 0xdc00) + 0x10000; + if (s1[i++] != 0xf0 + (c >> 18)) return -1; + if (s1[i++] != 0x80 + ((c >> 12) & 0x3f)) return -1; + if (s1[i++] != 0x80 + ((c >> 6) & 0x3f)) return -1; + if (s1[i++] != 0x80 + ((c ) & 0x3f)) return -1; + s2 += 2; // plus another 2 below + len2 -= 2; + } else if (ch >= 0xdc00 && ch < 0xe000) { + return -1; + } else { + if (i+2 >= len1) return -1; + if (s1[i++] != 0xe0 + (ch >> 12)) return -1; + if (s1[i++] != 0x80 + ((ch >> 6) & 0x3f)) return -1; + if (s1[i++] != 0x80 + ((ch ) & 0x3f)) return -1; + } + s2 += 2; + len2 -= 2; + } + return i; +} + +static int stbtt_CompareUTF8toUTF16_bigendian_internal(char *s1, int len1, char *s2, int len2) +{ + return len1 == stbtt__CompareUTF8toUTF16_bigendian_prefix((stbtt_uint8*) s1, len1, (stbtt_uint8*) s2, len2); +} + +// returns results in whatever encoding you request... but note that 2-byte encodings +// will be BIG-ENDIAN... use stbtt_CompareUTF8toUTF16_bigendian() to compare +STBTT_DEF const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID) +{ + stbtt_int32 i,count,stringOffset; + stbtt_uint8 *fc = font->data; + stbtt_uint32 offset = font->fontstart; + stbtt_uint32 nm = stbtt__find_table(fc, offset, "name"); + if (!nm) return NULL; + + count = ttUSHORT(fc+nm+2); + stringOffset = nm + ttUSHORT(fc+nm+4); + for (i=0; i < count; ++i) { + stbtt_uint32 loc = nm + 6 + 12 * i; + if (platformID == ttUSHORT(fc+loc+0) && encodingID == ttUSHORT(fc+loc+2) + && languageID == ttUSHORT(fc+loc+4) && nameID == ttUSHORT(fc+loc+6)) { + *length = ttUSHORT(fc+loc+8); + return (const char *) (fc+stringOffset+ttUSHORT(fc+loc+10)); + } + } + return NULL; +} + +static int stbtt__matchpair(stbtt_uint8 *fc, stbtt_uint32 nm, stbtt_uint8 *name, stbtt_int32 nlen, stbtt_int32 target_id, stbtt_int32 next_id) +{ + stbtt_int32 i; + stbtt_int32 count = ttUSHORT(fc+nm+2); + stbtt_int32 stringOffset = nm + ttUSHORT(fc+nm+4); + + for (i=0; i < count; ++i) { + stbtt_uint32 loc = nm + 6 + 12 * i; + stbtt_int32 id = ttUSHORT(fc+loc+6); + if (id == target_id) { + // find the encoding + stbtt_int32 platform = ttUSHORT(fc+loc+0), encoding = ttUSHORT(fc+loc+2), language = ttUSHORT(fc+loc+4); + + // is this a Unicode encoding? + if (platform == 0 || (platform == 3 && encoding == 1) || (platform == 3 && encoding == 10)) { + stbtt_int32 slen = ttUSHORT(fc+loc+8); + stbtt_int32 off = ttUSHORT(fc+loc+10); + + // check if there's a prefix match + stbtt_int32 matchlen = stbtt__CompareUTF8toUTF16_bigendian_prefix(name, nlen, fc+stringOffset+off,slen); + if (matchlen >= 0) { + // check for target_id+1 immediately following, with same encoding & language + if (i+1 < count && ttUSHORT(fc+loc+12+6) == next_id && ttUSHORT(fc+loc+12) == platform && ttUSHORT(fc+loc+12+2) == encoding && ttUSHORT(fc+loc+12+4) == language) { + slen = ttUSHORT(fc+loc+12+8); + off = ttUSHORT(fc+loc+12+10); + if (slen == 0) { + if (matchlen == nlen) + return 1; + } else if (matchlen < nlen && name[matchlen] == ' ') { + ++matchlen; + if (stbtt_CompareUTF8toUTF16_bigendian_internal((char*) (name+matchlen), nlen-matchlen, (char*)(fc+stringOffset+off),slen)) + return 1; + } + } else { + // if nothing immediately following + if (matchlen == nlen) + return 1; + } + } + } + + // @TODO handle other encodings + } + } + return 0; +} + +static int stbtt__matches(stbtt_uint8 *fc, stbtt_uint32 offset, stbtt_uint8 *name, stbtt_int32 flags) +{ + stbtt_int32 nlen = (stbtt_int32) STBTT_strlen((char *) name); + stbtt_uint32 nm,hd; + if (!stbtt__isfont(fc+offset)) return 0; + + // check italics/bold/underline flags in macStyle... + if (flags) { + hd = stbtt__find_table(fc, offset, "head"); + if ((ttUSHORT(fc+hd+44) & 7) != (flags & 7)) return 0; + } + + nm = stbtt__find_table(fc, offset, "name"); + if (!nm) return 0; + + if (flags) { + // if we checked the macStyle flags, then just check the family and ignore the subfamily + if (stbtt__matchpair(fc, nm, name, nlen, 16, -1)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 1, -1)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 3, -1)) return 1; + } else { + if (stbtt__matchpair(fc, nm, name, nlen, 16, 17)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 1, 2)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 3, -1)) return 1; + } + + return 0; +} + +static int stbtt_FindMatchingFont_internal(unsigned char *font_collection, char *name_utf8, stbtt_int32 flags) +{ + stbtt_int32 i; + for (i=0;;++i) { + stbtt_int32 off = stbtt_GetFontOffsetForIndex(font_collection, i); + if (off < 0) return off; + if (stbtt__matches((stbtt_uint8 *) font_collection, off, (stbtt_uint8*) name_utf8, flags)) + return off; + } +} + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-qual" +#endif + +STBTT_DEF int stbtt_BakeFontBitmap(const unsigned char *data, int offset, + float pixel_height, unsigned char *pixels, int pw, int ph, + int first_char, int num_chars, stbtt_bakedchar *chardata) +{ + return stbtt_BakeFontBitmap_internal((unsigned char *) data, offset, pixel_height, pixels, pw, ph, first_char, num_chars, chardata); +} + +STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index) +{ + return stbtt_GetFontOffsetForIndex_internal((unsigned char *) data, index); +} + +STBTT_DEF int stbtt_GetNumberOfFonts(const unsigned char *data) +{ + return stbtt_GetNumberOfFonts_internal((unsigned char *) data); +} + +STBTT_DEF int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int offset) +{ + return stbtt_InitFont_internal(info, (unsigned char *) data, offset); +} + +STBTT_DEF int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *name, int flags) +{ + return stbtt_FindMatchingFont_internal((unsigned char *) fontdata, (char *) name, flags); +} + +STBTT_DEF int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2) +{ + return stbtt_CompareUTF8toUTF16_bigendian_internal((char *) s1, len1, (char *) s2, len2); +} + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic pop +#endif + +#endif // STB_TRUETYPE_IMPLEMENTATION + + +// FULL VERSION HISTORY +// +// 1.25 (2021-07-11) many fixes +// 1.24 (2020-02-05) fix warning +// 1.23 (2020-02-02) query SVG data for glyphs; query whole kerning table (but only kern not GPOS) +// 1.22 (2019-08-11) minimize missing-glyph duplication; fix kerning if both 'GPOS' and 'kern' are defined +// 1.21 (2019-02-25) fix warning +// 1.20 (2019-02-07) PackFontRange skips missing codepoints; GetScaleFontVMetrics() +// 1.19 (2018-02-11) OpenType GPOS kerning (horizontal only), STBTT_fmod +// 1.18 (2018-01-29) add missing function +// 1.17 (2017-07-23) make more arguments const; doc fix +// 1.16 (2017-07-12) SDF support +// 1.15 (2017-03-03) make more arguments const +// 1.14 (2017-01-16) num-fonts-in-TTC function +// 1.13 (2017-01-02) support OpenType fonts, certain Apple fonts +// 1.12 (2016-10-25) suppress warnings about casting away const with -Wcast-qual +// 1.11 (2016-04-02) fix unused-variable warning +// 1.10 (2016-04-02) allow user-defined fabs() replacement +// fix memory leak if fontsize=0.0 +// fix warning from duplicate typedef +// 1.09 (2016-01-16) warning fix; avoid crash on outofmem; use alloc userdata for PackFontRanges +// 1.08 (2015-09-13) document stbtt_Rasterize(); fixes for vertical & horizontal edges +// 1.07 (2015-08-01) allow PackFontRanges to accept arrays of sparse codepoints; +// allow PackFontRanges to pack and render in separate phases; +// fix stbtt_GetFontOFfsetForIndex (never worked for non-0 input?); +// fixed an assert() bug in the new rasterizer +// replace assert() with STBTT_assert() in new rasterizer +// 1.06 (2015-07-14) performance improvements (~35% faster on x86 and x64 on test machine) +// also more precise AA rasterizer, except if shapes overlap +// remove need for STBTT_sort +// 1.05 (2015-04-15) fix misplaced definitions for STBTT_STATIC +// 1.04 (2015-04-15) typo in example +// 1.03 (2015-04-12) STBTT_STATIC, fix memory leak in new packing, various fixes +// 1.02 (2014-12-10) fix various warnings & compile issues w/ stb_rect_pack, C++ +// 1.01 (2014-12-08) fix subpixel position when oversampling to exactly match +// non-oversampled; STBTT_POINT_SIZE for packed case only +// 1.00 (2014-12-06) add new PackBegin etc. API, w/ support for oversampling +// 0.99 (2014-09-18) fix multiple bugs with subpixel rendering (ryg) +// 0.9 (2014-08-07) support certain mac/iOS fonts without an MS platformID +// 0.8b (2014-07-07) fix a warning +// 0.8 (2014-05-25) fix a few more warnings +// 0.7 (2013-09-25) bugfix: subpixel glyph bug fixed in 0.5 had come back +// 0.6c (2012-07-24) improve documentation +// 0.6b (2012-07-20) fix a few more warnings +// 0.6 (2012-07-17) fix warnings; added stbtt_ScaleForMappingEmToPixels, +// stbtt_GetFontBoundingBox, stbtt_IsGlyphEmpty +// 0.5 (2011-12-09) bugfixes: +// subpixel glyph renderer computed wrong bounding box +// first vertex of shape can be off-curve (FreeSans) +// 0.4b (2011-12-03) fixed an error in the font baking example +// 0.4 (2011-12-01) kerning, subpixel rendering (tor) +// bugfixes for: +// codepoint-to-glyph conversion using table fmt=12 +// codepoint-to-glyph conversion using table fmt=4 +// stbtt_GetBakedQuad with non-square texture (Zer) +// updated Hello World! sample to use kerning and subpixel +// fixed some warnings +// 0.3 (2009-06-24) cmap fmt=12, compound shapes (MM) +// userdata, malloc-from-userdata, non-zero fill (stb) +// 0.2 (2009-03-11) Fix unsigned/signed char warnings +// 0.1 (2009-03-09) First public release +// + +/* +------------------------------------------------------------------------------ +This software is available under 2 licenses -- choose whichever you prefer. +------------------------------------------------------------------------------ +ALTERNATIVE A - MIT License +Copyright (c) 2017 Sean Barrett +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +------------------------------------------------------------------------------ +ALTERNATIVE B - Public Domain (www.unlicense.org) +This is free and unencumbered software released into the public domain. +Anyone is free to copy, modify, publish, use, compile, sell, or distribute this +software, either in source code form or as a compiled binary, for any purpose, +commercial or non-commercial, and by any means. +In jurisdictions that recognize copyright laws, the author or authors of this +software dedicate any and all copyright interest in the software to the public +domain. We make this dedication for the benefit of the public at large and to +the detriment of our heirs and successors. We intend this dedication to be an +overt act of relinquishment in perpetuity of all present and future rights to +this software under copyright law. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +------------------------------------------------------------------------------ +*/ diff --git a/src/visualize/backup.cpp b/src/visualize/backup.cpp new file mode 100755 index 0000000..5430507 --- /dev/null +++ b/src/visualize/backup.cpp @@ -0,0 +1,180 @@ +#if 0 + S8_String filename = S8_Lit("../assets/SkillCraft.csv"); + PLOT_CSV = CSV_Load(G_Perm, filename); + UI_Notification(2.0f, "CSV: %s, loaded!", filename.str); + + CSV_Column *gap_between_pacs = PLOT_CSV.columns + 12; + CSV_Column *apm = PLOT_CSV.columns + 5; + + PLOT_X = gap_between_pacs->floats; + PLOT_XLabel = gap_between_pacs->name; + PLOT_Y = apm->floats; + PLOT_YLabel = apm->name; + PLOT_Title = PLOT_CSV.filename; + PLOT_DataSize = (int)PLOT_CSV.row_count; +#endif + +#if 0 + for (MU_DroppedFile *iter = Mu->window->first_dropped_file; iter; iter = iter->next) { + S8_String filename = S8_Make(iter->filename, iter->filename_size); + PLOT_CSV = CSV_Load(G_Perm, filename); + UI_Notification(2.0f, "CSV: %s, loaded!", filename.str); + + CSV_Column *gap_between_pacs = PLOT_CSV.columns + 12; + CSV_Column *apm = PLOT_CSV.columns + 5; + + PLOT_X = gap_between_pacs->floats; + PLOT_XLabel = gap_between_pacs->name; + PLOT_Y = apm->floats; + PLOT_YLabel = apm->name; + PLOT_Title = PLOT_CSV.filename; + PLOT_DataSize = (int)PLOT_CSV.row_count; + } +#else + + + +int SPREAD_MaxY; +int SPREAD_MaxX; +MAP_Map SPREAD_Map; +Vec2 SPREAD_Pos; + +if (!PLOT_Initialized) { + SPREAD_Pos = Mu->window->sizef; +} + +MAP_InsertEvent(&SPREAD_Map, {0 + current_series->id * 2, data_point_count}, iter.event); +MAP_InsertEvent(&SPREAD_Map, {1 + current_series->id * 2, data_point_count}, iter.event); + SPREAD_MaxY = data_point_count; + SPREAD_MaxX = 4; + + +Vec4 spreadsheet_background = COLOR_spreadsheet_background; +// +// SPREADSHEET +// +Vec2 spreadsheet_pos = SPREAD_Pos * G_Camera.zoom; +Rect2 spreadsheet_rect = {}; +{ + float xcell_size = 150.f * G_Camera.zoom; + float ycell_size = R2_RenderO.font->size * G_Camera.zoom; + float all_columns_size = xcell_size * SPREAD_MaxX; + Vec2 spreadsheet_size = {all_columns_size, -(SPREAD_MaxY + 1) * ycell_size}; + Vec2 spreadcamoffset = spreadsheet_pos - G_Camera.pos; + spreadsheet_rect = Rect2Size(spreadcamoffset, spreadsheet_size); + if (spreadsheet_rect.min.y > spreadsheet_rect.max.y) { + Swap(spreadsheet_rect.min.y, spreadsheet_rect.max.y); + } + + int visible_row_begin = 0; + int visible_row_end = 0; + int visible_col_begin = 0; + int visible_col_end = 0; + { + float ystart = (-Mu->window->sizef.y + spreadcamoffset.y) / ycell_size; + float ysize = Mu->window->sizef.y / ycell_size; + visible_row_begin = Clamp((int)floorf(ystart) - 1, 0, SPREAD_MaxY); + visible_row_end = Clamp((int)(ceilf(ystart + ysize)), 0, SPREAD_MaxY); + + float when_spreadcamoffset_incamera_offset = Clamp(Mu->window->sizef.x, 0.f, spreadcamoffset.x); + + float xstart = (spreadcamoffset.x - when_spreadcamoffset_incamera_offset) / xcell_size; + float xsize = Mu->window->sizef.x / xcell_size; + visible_col_begin = Clamp((int)floorf(xstart) - 1, 0, SPREAD_MaxX); + visible_col_end = Clamp((int)(ceilf(xstart + xsize)), 0, SPREAD_MaxX); + } + + // Draw the background rect + R2_DrawRect(spreadsheet_rect, spreadsheet_background); + R2_DrawCircle(spreadcamoffset, 4.0f, {1, 0, 0, 1}); //@debug + + // Draw label + { + Rect2 rect = spreadsheet_rect; + Vec2 size = GetSize(spreadsheet_rect); + float label_scale = G_Camera.zoom * 1.0f; + float label_t = 0; + if (G_Camera.zoom > 0.5f) { + label_t = 0.0f; + } + else { + float t = ((1.f / G_Camera.zoom) - 2.0f) / 4.0f / 32.f; + label_t = Clamp01(Lerp(0, 1, t)); + if (t <= 1.0f) { + label_scale = Lerp(label_scale, 1.0f, PingPong(t)); + } + else { + label_scale = Lerp(0.5f, 1.0f, PingPong(t)); + } + } + + Vec2 plot_midtop = rect.max; + plot_midtop.x -= size.x / 2; + plot_midtop.y += 2; + + Vec2 plot_mid = rect.min + (rect.max - rect.min) / 2.f; + + // We want T that is 0 when zoom is 4 or less + + Vec2 label_pos = Lerp(plot_midtop, plot_mid, label_t); + + S8_String label_string = PLOT_Title; + Vec2 top_label_size = R2_GetStringSize(label_string, label_scale); + label_pos.x -= top_label_size.x / 2; + R2_DrawString(label_pos, label_string, text_color, label_scale); + } + + float x_accumulator = 0; + if (should_render) { + for (int col_i = visible_col_begin; col_i < visible_col_end; col_i += 1) { + // Draw the first row, the label row + { + Vec2 cell_pos = Vec2{x_accumulator, -ycell_size * (float)(1.f)} + spreadcamoffset; + S8_String label = S8_Lit(""); + if (col_i == 0) label = PLOT_XLabel; + if (col_i == 1) label = PLOT_YLabel; + + Rect2 rect = R2_DrawString(cell_pos, label, disappearing_text_color, G_Camera.zoom); + } + + for (int row_i = visible_row_begin; row_i < visible_row_end; row_i += 1) { + VIS_Event *event = MAP_GetEvent(&SPREAD_Map, {col_i, row_i}); + if (!event) continue; + float point = event->point[(col_i % 2)]; + S8_String it = S8_Format(G_Frame, "%f", point); + + // Draw the cell + // We start from row 2 (row 1 is reserved) + { + Vec2 cell_pos = Vec2{x_accumulator, -ycell_size * (float)(row_i + 2.f)} + spreadcamoffset; + Rect2 cell_rect = Rect2Size(cell_pos, Vec2{xcell_size, ycell_size}); + R2_DrawRectOutline(cell_rect, cell_outline_color); + + Vec2 string_size = R2_GetStringSize(it, G_Camera.zoom); + Vec2 string_pos = cell_pos + (GetSize(cell_rect) / 2 - string_size / 2); + R2_DrawString(string_pos, it, disappearing_text_color, G_Camera.zoom); + } + } + x_accumulator += xcell_size; + } + } +} + + // + // Zoomed out view object moving + // + if (should_render == false) { + if (AreColliding(rect, Mu->window->mouse.posf)) { + R2_DrawRectOutline(rect, {1, 0, 0, 1}); + + if (Mu->window->mouse.right.down) { + PLOT_Pos += Mu->window->mouse.delta_pos_normalized * 1000.0f / G_Camera.zoom; + } + } + else if (AreColliding(spreadsheet_rect, Mu->window->mouse.posf)) { + R2_DrawRectOutline(spreadsheet_rect, {1, 0, 0, 1}); + if (Mu->window->mouse.right.down) { + SPREAD_Pos += Mu->window->mouse.delta_pos_normalized * 1000.0f / G_Camera.zoom; + } + } + } \ No newline at end of file diff --git a/src/visualize/globals.cpp b/src/visualize/globals.cpp new file mode 100755 index 0000000..dac6f40 --- /dev/null +++ b/src/visualize/globals.cpp @@ -0,0 +1,18 @@ +float COLOR_Tint = 0.0; +Vec4 COLOR_Caret = HSLToRGB({COLOR_Tint, 0.4f, 0.60f, 1.0f}); +Vec4 COLOR_white = {1, 1, 1, 1}; +Vec4 COLOR_plot_lines = COLOR_white; +Vec4 COLOR_on_hover_rect = HSLToRGB({COLOR_Tint, 0.2f, 0.96f, 1.0f}); +Vec4 COLOR_cell_outline = COLOR_white; +Vec4 COLOR_background_plot = HSLToRGB({COLOR_Tint, 0.2f, 0.95f, 1.0f}); +Vec4 COLOR_spreadsheet_background = COLOR_background_plot; +Vec4 COLOR_text = HSLToRGB({COLOR_Tint, 0.2f, 0.7f, 1.0f}); +Vec4 COLOR_highlighted_text = HSLToRGB({COLOR_Tint, 0.4f, 0.9f, 1.0f}); +Vec4 COLOR_data_point = HSLToRGB({COLOR_Tint, 0.4f, 0.60f, 1.0f}); +Vec4 COLOR_highlighted_data_point = HSLToRGB({COLOR_Tint, 0.4f, 0.90f, 1.0f}); +Vec4 COLOR_on_hover_outline_rect = COLOR_text; + +Camera G_Camera = { + {1.0f, 1.0f} +}; +int G_ProcessID; diff --git a/src/visualize/prototype_audio.cpp b/src/visualize/prototype_audio.cpp new file mode 100755 index 0000000..09804bb --- /dev/null +++ b/src/visualize/prototype_audio.cpp @@ -0,0 +1,48 @@ +#include "visualize.h" +#include "core/core.h" + +MU_Context *Mu; +int Audio_Start; +int Audio_I; +float T; +void Audio_Callback(MU_Context *mu, uint16_t *buffer, uint32_t samples_to_fill) { + for (uint32_t i = 0; i < samples_to_fill; i += 2) { + float s = sinf(T * 0.3157f); + float ss = sinf(T * (0.3157f + 0.02f)); + float comb = s + ss; + float value = comb * 500.0f; + buffer[i] = (int16_t)value; + buffer[i + 1] = (int16_t)value; + T += 0.1f; + + Audio_Start += 1; + if (Audio_I < 48000) { + Audio_I += 1; + VIS_PlotKind(VIS_PlotKind_Scatter); + VIS_Series(0); + VIS_Point((float)Audio_I, s); + VIS_Series(1); + VIS_Point((float)Audio_I, ss); + VIS_Series(2); + VIS_Point((float)Audio_I, comb); + } + else { + buffer[i] = 0; + buffer[i + 1] = 0; + MU_Quit(Mu); + } + } +} + +int main() { + VIS_Clear(); + MU_Params params = {}; + params.sound_callback = Audio_Callback; + Mu = MU_Start(params); + + while (MU_Update(Mu)) { + if (Mu->window->key[MU_KEY_ESCAPE].down) { + MU_Quit(Mu); + } + } +} \ No newline at end of file diff --git a/src/visualize/prototype_data_handling.cpp b/src/visualize/prototype_data_handling.cpp new file mode 100755 index 0000000..b7cdf30 --- /dev/null +++ b/src/visualize/prototype_data_handling.cpp @@ -0,0 +1,328 @@ +RandomSeed PLOT_RandomSeed = {13}; + +bool DH_Initialized; + +struct R3_Vertex { + Vec3 pos; + Vec2 tex; + Vec3 color; +}; +#define R3_VERTEX_BUFFER_SIZE 4096 * 8 + +enum R3_CommandKind { + R3_COMMAND_NONE, + R3_COMMAND_CUBE, + R3_COMMAND_QUAD, +}; + +struct R3_CommandCube { + R3_Vertex *vertices; + int vertex_count; +}; + +struct R3_Command { + R3_CommandKind kind; + R3_Command *next; + int64_t vertex_count; + R3_Vertex *vertices; +}; + +struct R3_Camera { + float pitch, roll, head; + Vec3 pos; + + float old_roll; + float approach_speed; +}; + +struct R3_Render { + MA_Arena arena; + + unsigned atlas_id; + R3_Camera camera; + R3_Command *first_command; + R3_Command *last_command; + unsigned vbo, vao; + R2_Shader shader; +}; +R3_Render R3; + +unsigned R3_UploadTexture(void *data, int x, int y) { + unsigned id = 0; + glCreateTextures(GL_TEXTURE_2D, 1, &id); + glTextureParameteri(id, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTextureParameteri(id, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTextureParameteri(id, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTextureParameteri(id, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTextureStorage2D(id, 1, GL_RGBA8, x, y); + glTextureSubImage2D(id, 0, 0, 0, x, y, GL_RGBA, GL_UNSIGNED_BYTE, data); + return id; +} + +void R3_Init() { + MA_Init(&R3.arena); + R3.arena.alignment = 0; + + // IO_Assert(MA_GetAlignOffset(sizeof(R3_Vertex), R3.arena.alignment) == 0); + { + glCreateBuffers(1, &R3.vbo); + glNamedBufferStorage(R3.vbo, R3_VERTEX_BUFFER_SIZE * sizeof(R3_Vertex), 0, GL_DYNAMIC_STORAGE_BIT); + } + + { + glCreateVertexArrays(1, &R3.vao); + + GLint vbuf_index = 0; + glVertexArrayVertexBuffer(R3.vao, vbuf_index, R3.vbo, 0, sizeof(struct R3_Vertex)); + + GLint a_pos = 0; + glVertexArrayAttribFormat(R3.vao, a_pos, 3, GL_FLOAT, GL_FALSE, offsetof(struct R3_Vertex, pos)); + glVertexArrayAttribBinding(R3.vao, a_pos, vbuf_index); + glEnableVertexArrayAttrib(R3.vao, a_pos); + + GLint a_tex = 1; + glVertexArrayAttribFormat(R3.vao, a_tex, 2, GL_FLOAT, GL_FALSE, offsetof(struct R3_Vertex, tex)); + glVertexArrayAttribBinding(R3.vao, a_tex, vbuf_index); + glEnableVertexArrayAttrib(R3.vao, a_tex); + + GLint a_color = 2; + glVertexArrayAttribFormat(R3.vao, a_color, 3, GL_FLOAT, GL_FALSE, offsetof(struct R3_Vertex, color)); + glVertexArrayAttribBinding(R3.vao, a_color, vbuf_index); + glEnableVertexArrayAttrib(R3.vao, a_color); + } + + { + char *glsl_vshader = + "#version 450 core\n" + "#line " R2_STRINGIFY(__LINE__) "\n" + R"==( + + layout (location=0) uniform mat4 UPerspective; + layout (location=0) in vec3 InPos; + layout (location=1) in vec2 InTex; + layout (location=2) in vec3 InColor; + + + out gl_PerVertex { vec4 gl_Position; }; // required because of ARB_separate_shader_objects + out vec2 OutTex; + out vec4 OutColor; + + void main() { + vec4 pos = vec4(InPos, 1); + pos = UPerspective * pos; + + gl_Position = pos; + OutTex = InTex; + OutColor = vec4(InColor, 1); + } + )=="; + + char *glsl_fshader = + "#version 450 core\n" + "#line " R2_STRINGIFY(__LINE__) "\n" + R"==( + + in vec2 InTex; + in vec4 InColor; + + layout (binding=0) uniform sampler2D Tex0; + layout (location=0) out vec4 OutColor; + + void main() { + OutColor = InColor; + } + )=="; + R3.shader = R2_CreateShader(glsl_vshader, glsl_fshader); + } + R3.last_command = R3.first_command = MA_PushStruct(&R3.arena, R3_Command); +} + +R3_Command *R3_GetCommand(R3_CommandKind kind) { + R3_Command *cmd = R3.last_command; + if (cmd->kind == kind) { + if (cmd->vertex_count + 36 < R3_VERTEX_BUFFER_SIZE) { + return cmd; + } + } + R3_Command *command = MA_PushStruct(&R3.arena, R3_Command); + command->kind = kind; + SLL_QUEUE_ADD(R3.first_command, R3.last_command, command); + return command; +} + +void R3_PushQuad(Rect3 rect, Vec3 color, bool colored = false) { + Vec3 top = color; + Vec3 side = color; + if (colored) { + side *= 0.8f; + } + + Rect2 tex = {}; + R3_Vertex vertices[] = { + // counter clockwise winding (opengl default) + {{rect.min.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.min.x, rect.min.y, rect.max.z}, {tex.min.x, tex.max.y}, side}, + {{rect.min.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.min.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.min.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.min.x, rect.max.y, rect.min.z}, {tex.max.x, tex.min.y}, side}, + {{rect.max.x, rect.max.y, rect.min.z}, {tex.max.x, tex.max.y}, side}, + {{rect.min.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.min.x, rect.max.y, rect.min.z}, {tex.min.x, tex.max.y}, side}, + {{rect.max.x, rect.max.y, rect.min.z}, {tex.max.x, tex.max.y}, side}, + {{rect.max.x, rect.min.y, rect.min.z}, {tex.max.x, tex.min.y}, side}, + {{rect.min.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.max.x, rect.min.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.min.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.max.x, rect.min.y, rect.min.z}, {tex.max.x, tex.min.y}, side}, + {{rect.max.x, rect.min.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.min.x, rect.min.y, rect.max.z}, {tex.min.x, tex.max.y}, side}, + {{rect.min.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.min.x, rect.max.y, rect.max.z}, {tex.min.x, tex.max.y}, side}, + {{rect.min.x, rect.min.y, rect.max.z}, {tex.min.x, tex.min.y}, side}, + {{rect.max.x, rect.min.y, rect.max.z}, {tex.max.x, tex.min.y}, side}, + {{rect.max.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.min.x, rect.max.y, rect.max.z}, {tex.min.x, tex.max.y}, side}, + {{rect.max.x, rect.min.y, rect.max.z}, {tex.max.x, tex.min.y}, side}, + {{rect.max.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.max.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.max.x, rect.max.y, rect.min.z}, {tex.max.x, tex.min.y}, side}, + {{rect.max.x, rect.min.y, rect.min.z}, {tex.min.x, tex.min.y}, side}, + {{rect.max.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, side}, + {{rect.max.x, rect.min.y, rect.max.z}, {tex.min.x, tex.max.y}, side}, + {{rect.max.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, top}, + {{rect.max.x, rect.max.y, rect.min.z}, {tex.max.x, tex.min.y}, top}, + {{rect.min.x, rect.max.y, rect.min.z}, {tex.min.x, tex.min.y}, top}, + {{rect.max.x, rect.max.y, rect.max.z}, {tex.max.x, tex.max.y}, top}, + {{rect.min.x, rect.max.y, rect.min.z}, {tex.min.x, tex.min.y}, top}, + {{rect.min.x, rect.max.y, rect.max.z}, {tex.min.x, tex.max.y}, top}, + }; + R3_Command *command = R3_GetCommand(R3_COMMAND_CUBE); + void *result = MA_PushCopy(&R3.arena, vertices, sizeof(vertices)); + if (command->vertices == 0) command->vertices = (R3_Vertex *)result; + command->vertex_count += lengthof(vertices); +} + +void R3_EndFrame(Vec2 window_size, M4x4 matrix) { + glEnable(GL_DEPTH_TEST); + glEnable(GL_CULL_FACE); + glEnable(GL_BLEND); + + glBindProgramPipeline(R3.shader.pipeline); + glProgramUniformMatrix4fv(R3.shader.vshader, 0, 1, GL_TRUE, (float *)matrix.e); + + for (R3_Command *it = R3.first_command->next; it; it = it->next) { + switch (it->kind) { + case R3_COMMAND_CUBE: { + glNamedBufferSubData(R3.vbo, 0, it->vertex_count * sizeof(R3_Vertex), it->vertices); + glBindVertexArray(R3.vao); + GLint sampler_id = 0; + glBindTextureUnit(sampler_id, R3.atlas_id); + glDrawArrays(GL_TRIANGLES, 0, (int)it->vertex_count); + } break; + case R3_COMMAND_QUAD: { + // glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glNamedBufferSubData(R3.vbo, 0, it->vertex_count * sizeof(R3_Vertex), it->vertices); + glBindVertexArray(R3.vao); + GLint sampler_id = 0; + glBindTextureUnit(sampler_id, R3.atlas_id); + glDrawArrays(GL_TRIANGLES, 0, (int)it->vertex_count); + } break; + case R3_COMMAND_NONE: + IO_InvalidDefaultCase(); + } + } + + MA_Reset(&R3.arena); + R3.last_command = R3.first_command = MA_PushStruct(&R3.arena, R3_Command); +} + +M4x4 GetCameraTransform(R3_Camera camera) { + M4x4 result = M4_RotationZ(camera.old_roll) * M4_RotationX(camera.pitch) * M4_RotationY(camera.head) * M4_Translation(-camera.pos); + return result; +} + +M4x4 GetCameraRotation(R3_Camera camera) { + M4x4 result = M4_RotationZ(camera.old_roll) * M4_RotationX(camera.pitch) * M4_RotationY(camera.head); + return result; +} + +S8_String Serialize(MA_Arena *arena, R3_Camera *camera) { + S8_String result = S8_Format(arena, "Camera :: Pos:[%.02f %.02f %.02f] Pitch:%f Roll:%f Head:%f", camera->pos.x, camera->pos.y, camera->pos.z, camera->pitch, camera->roll, camera->head); + return result; +} + +void PROTOTYPE_DataHandling() { + if (!DH_Initialized) { + DH_Initialized = true; + R3_Init(); + + MU_ToggleFPSMode(Mu->window); + R3.camera.pitch = 0.70f; + R3.camera.head = -0.75f; + R3.camera.pos = {20, 20, 20}; + } + + { + R3_Camera &camera = R3.camera; + camera.pitch -= (float)Mu->window->mouse.delta_pos_normalized.y * 4; + camera.head += (float)Mu->window->mouse.delta_pos_normalized.x * 4; + M4x4 r = GetCameraRotation(camera); + Vec3 zdirection = GetBasisZ(r); + Vec3 xdirection = GetBasisX(r); + if (Mu->window->key[MU_KEY_W].down) { + camera.pos -= zdirection * 0.05f; + } + if (Mu->window->key[MU_KEY_S].down) { + camera.pos += zdirection * 0.05f; + } + if (Mu->window->key[MU_KEY_A].down) { + camera.pos -= xdirection * 0.05f; + } + if (Mu->window->key[MU_KEY_D].down) { + camera.pos += xdirection * 0.05f; + } + } + + float t1 = -0.1f; + float t2 = 0.1f; + float s = 15.f; + R3_PushQuad({t1, t1, t1, s, t2, t2}, {1, 0, 0}); + R3_PushQuad({t1, t1, t1, t2, s, t2}, {1, 0, 0}); + R3_PushQuad({t1, t1, t1, t2, t2, s}, {1, 0, 0}); + R3_PushQuad({t1 + s, t1, t1, t2 + s, s, t2}, {1, 0, 0}); + R3_PushQuad({t1, t1, t1 + s, t2, s, t2 + s}, {1, 0, 0}); + R3_PushQuad({t1 + s, t1, t1 + s, t2 + s, s, t2 + s}, {1, 0, 0}); + R3_PushQuad({t1 + s, t1, t1, t2 + s, t2, s}, {1, 0, 0}); + R3_PushQuad({t1, t1, t1 + s, s, t2, t2 + s}, {1, 0, 0}); + R3_PushQuad({t1, t1 + s, t1, s, t2 + s, t2}, {1, 0, 0}); + R3_PushQuad({t1, t1 + s, t1, t2, t2 + s, s}, {1, 0, 0}); + R3_PushQuad({t1 + s, t1 + s, t1, t2 + s, t2 + s, s}, {1, 0, 0}); + R3_PushQuad({t1, t1 + s, t1 + s, s, t2 + s, t2 + s}, {1, 0, 0}); + + // R3_PushQuad({t1, t1 + 15.f, t1, 0.1f, 0.1f + 15.f, 15}, {1, 0, 0}); + // for (float y = 0; y < 1.0f; y += 0.1f) { + // float of = y * 15.0f; + // R3_PushQuad({ + of, -0.1f, 0, 0.1f + of, 0.1f, 15.f}, {1, 0, 0}); + // } + + RandomSeed seed = {13}; + for (float i = 0; i < 10; i += 1) { + Vec3 p = { + (float)GetRandomNormal(&seed) * 10.f, + (float)GetRandomNormal(&seed) * 10.f, + (float)GetRandomNormal(&seed) * 10.f, + }; + + float t = 0.25f; + Rect3 rect = {p.x - t, p.y - t, p.z - t, p.x + t, p.y + t, p.z + t}; + R3_PushQuad(rect, COLOR_data_point.rgb); + } + + M4x4 matrix = M4_Identity(); + M4x4 camera_transform = GetCameraTransform(R3.camera); + matrix = M4_Perspective(65, Mu->window->sizef.x, Mu->window->sizef.y, 0.1f, 100.f) * camera_transform * matrix; + R3_EndFrame(Mu->window->sizef, matrix); + + R2_DebugString("%s", Serialize(G_Frame, &R3.camera).str); +} diff --git a/src/visualize/prototype_server_client.cpp b/src/visualize/prototype_server_client.cpp new file mode 100755 index 0000000..f3837bb --- /dev/null +++ b/src/visualize/prototype_server_client.cpp @@ -0,0 +1,138 @@ +bool SV_Initialized; +int DH_ProcessID = 0; + +#define DEFAULT_BUFLEN 512 +#define DEFAULT_PORT "27015" + +#include +#include +#include + +#pragma comment(lib, "Ws2_32.lib") +#pragma comment(lib, "Mswsock.lib") +#pragma comment(lib, "AdvApi32.lib") + +// Server: https://learn.microsoft.com/en-us/windows/win32/winsock/complete-server-code +// Client: https://learn.microsoft.com/en-us/windows/win32/winsock/complete-client-code + +void PROTOTYPE_ServerClient() { + if (!SV_Initialized) { + SV_Initialized = true; + + int iResult; + WSADATA wsaData; + + SOCKET ListenSocket = INVALID_SOCKET; + SOCKET ClientSocket = INVALID_SOCKET; + + struct addrinfo *result = NULL; + struct addrinfo hints; + + int iSendResult; + char recvbuf[DEFAULT_BUFLEN]; + int recvbuflen = DEFAULT_BUFLEN; + + // Initialize Winsock + iResult = WSAStartup(MAKEWORD(2, 2), &wsaData); + if (iResult != 0) { + IO_FatalErrorf("WSAStartup failed with error: %d\n", iResult); + return; + } + + ZeroMemory(&hints, sizeof(hints)); + hints.ai_family = AF_INET; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = IPPROTO_TCP; + hints.ai_flags = AI_PASSIVE; + + // Resolve the server address and port + iResult = getaddrinfo(NULL, DEFAULT_PORT, &hints, &result); + if (iResult != 0) { + IO_FatalErrorf("getaddrinfo failed with error: %d\n", iResult); + WSACleanup(); + return; + } + + // Create a SOCKET for the server to listen for client connections. + ListenSocket = socket(result->ai_family, result->ai_socktype, result->ai_protocol); + if (ListenSocket == INVALID_SOCKET) { + IO_FatalErrorf("socket failed with error: %ld\n", WSAGetLastError()); + freeaddrinfo(result); + WSACleanup(); + return; + } + + // Setup the TCP listening socket + iResult = bind(ListenSocket, result->ai_addr, (int)result->ai_addrlen); + if (iResult == SOCKET_ERROR) { + IO_FatalErrorf("bind failed with error: %d\n", WSAGetLastError()); + freeaddrinfo(result); + closesocket(ListenSocket); + WSACleanup(); + return; + } + + freeaddrinfo(result); + + iResult = listen(ListenSocket, SOMAXCONN); + if (iResult == SOCKET_ERROR) { + IO_FatalErrorf("listen failed with error: %d\n", WSAGetLastError()); + closesocket(ListenSocket); + WSACleanup(); + return; + } + + // Accept a client socket + ClientSocket = accept(ListenSocket, NULL, NULL); + if (ClientSocket == INVALID_SOCKET) { + IO_FatalErrorf("accept failed with error: %d\n", WSAGetLastError()); + closesocket(ListenSocket); + WSACleanup(); + return; + } + + // No longer need server socket + closesocket(ListenSocket); + + // Receive until the peer shuts down the connection + do { + + iResult = recv(ClientSocket, recvbuf, recvbuflen, 0); + if (iResult > 0) { + printf("Bytes received: %d\n", iResult); + + // Echo the buffer back to the sender + iSendResult = send(ClientSocket, recvbuf, iResult, 0); + if (iSendResult == SOCKET_ERROR) { + IO_FatalErrorf("send failed with error: %d\n", WSAGetLastError()); + closesocket(ClientSocket); + WSACleanup(); + return; + } + printf("Bytes sent: %d\n", iSendResult); + } + else if (iResult == 0) + printf("Connection closing...\n"); + else { + IO_FatalErrorf("recv failed with error: %d\n", WSAGetLastError()); + closesocket(ClientSocket); + WSACleanup(); + return; + } + + } while (iResult > 0); + + // shutdown the connection since we're done + iResult = shutdown(ClientSocket, SD_SEND); + if (iResult == SOCKET_ERROR) { + IO_FatalErrorf("shutdown failed with error: %d\n", WSAGetLastError()); + closesocket(ClientSocket); + WSACleanup(); + return; + } + + // cleanup + closesocket(ClientSocket); + WSACleanup(); + } +} \ No newline at end of file diff --git a/src/visualize/prototype_text_editor.cpp b/src/visualize/prototype_text_editor.cpp new file mode 100755 index 0000000..92f12e5 --- /dev/null +++ b/src/visualize/prototype_text_editor.cpp @@ -0,0 +1,216 @@ + +bool TE_Initialized; +int64_t TE_Caret; + +struct TE_Buffer { + S8_String string; + int64_t capacity; +}; +char TE_Text[128 * 4]; +TE_Buffer TE_MainBuffer = {{TE_Text}, lengthof(TE_Text)}; + +void TE_MemoryMove(char *dest, char *src, int64_t size) { + if (dest == src) + return; + + char *ends = src + size; + bool overlap_source_behind_dest = dest >= src && dest < ends; + if (overlap_source_behind_dest) { + char *endd = dest + size; + while (size--) { + *--endd = *--ends; + } + } + else { + while (size--) { + *dest++ = *src++; + } + } +} + +void TE_MemoryCopy(char *dst, char *src, int64_t size) { + while (size--) *dst++ = *src++; +} + +void TE_Insert(TE_Buffer *buffer, S8_String string, int64_t pos) { + int64_t capacity_remaining = buffer->capacity - buffer->string.len; + pos = Clamp(pos, (int64_t)0, buffer->string.len); + string.len = Clamp(string.len, (int64_t)0, capacity_remaining); + + char *address_to_insert_at = buffer->string.str + pos; + char *end_of_address_to_insert_at = address_to_insert_at + string.len; + int64_t existing_size_to_move = buffer->string.len - pos; + + TE_MemoryMove(end_of_address_to_insert_at, address_to_insert_at, existing_size_to_move); + TE_MemoryMove(address_to_insert_at, string.str, string.len); + buffer->string.len += string.len; + + IO_Assert(buffer->string.len <= buffer->capacity); +} + +void TE_Replace(TE_Buffer *buffer, S8_String replacement, int64_t pos_region_to_replace, int64_t size_region_to_replace) { + int64_t capacity_remaining = buffer->capacity - buffer->string.len; + int64_t start_pos_region_to_replace = Clamp(pos_region_to_replace, (int64_t)0, buffer->string.len); + int64_t end_pos_region_to_replace = Clamp(pos_region_to_replace + size_region_to_replace, (int64_t)0, buffer->string.len); + int64_t actual_size_region_to_replace = end_pos_region_to_replace - start_pos_region_to_replace; + + IO_Assert(actual_size_region_to_replace >= 0); + + char *start_of_region_to_replace = buffer->string.str + start_pos_region_to_replace; + char *end_of_region_to_replace = buffer->string.str + end_pos_region_to_replace; + char *new_home_of_old_memory = start_of_region_to_replace + replacement.len; + int64_t existing_size_to_move = buffer->string.len - end_pos_region_to_replace; + + TE_MemoryMove(new_home_of_old_memory, end_of_region_to_replace, existing_size_to_move); + TE_MemoryMove(start_of_region_to_replace, replacement.str, replacement.len); + buffer->string.len = buffer->string.len - actual_size_region_to_replace + replacement.len; + + IO_Assert(buffer->string.len <= buffer->capacity); +} + +typedef int TE_SearchFlags; +enum { + TE_SearchFlags_IgnoreCase = 1, + TE_SearchFlags_SearchLeft = 2, +}; + +int64_t TE_Search(S8_String string, S8_String seek_string, int64_t start_seek_pos, TE_SearchFlags flags) { + int64_t start_seek = Clamp(start_seek_pos, (int64_t)0, string.len - 1); + if (flags & TE_SearchFlags_SearchLeft) { + for (int64_t i = start_seek; i >= 0; i -= 1) { + int64_t seek_size = Clamp(seek_string.len, (int64_t)0, string.len - i); + S8_String to_try = S8_Make(string.str + i, seek_size); + if (S8_AreEqual(to_try, seek_string, flags)) { + return i; + } + } + } + else { + for (int64_t i = start_seek; i < seek_string.len; i += 1) { + int64_t seek_size = Clamp(seek_string.len, (int64_t)0, string.len - i); + S8_String to_try = S8_Make(string.str + i, seek_size); + if (S8_AreEqual(to_try, seek_string, flags)) { + return i; + } + } + } + return -1; +} + +int64_t CaretBackward() { + int64_t original_cursor = TE_Caret; + IO_Assert(TE_Caret <= TE_MainBuffer.string.len); + IO_Assert(TE_Caret >= 0); + while (TE_Caret) { + char it = TE_MainBuffer.string.str[--TE_Caret]; + if ((it & 0b11000000) != 0b10000000) break; // We dont want to stop on continuation byte + } + TE_Caret = Clamp(TE_Caret, (int64_t)0, TE_MainBuffer.string.len); + + int64_t step = original_cursor - TE_Caret; + return step; +} + +void CaretForward() { + IO_Assert(TE_Caret <= TE_MainBuffer.string.len); + IO_Assert(TE_Caret >= 0); + UTF32_Result decode = UTF_ConvertUTF8ToUTF32(TE_MainBuffer.string.str + TE_Caret, (int)(TE_MainBuffer.string.len - TE_Caret)); + TE_Caret += decode.advance; + TE_Caret = Clamp(TE_Caret, (int64_t)0, TE_MainBuffer.string.len); +} + +static void PROTOTYPE_TextEditor() { + if (!TE_Initialized) { + TE_Initialized = !TE_Initialized; + } + + if (Mu->window->key[MU_KEY_LEFT].raw_press) { + if (Mu->window->key[MU_KEY_CONTROL].down) { + CaretBackward(); + int64_t pos = TE_Search(TE_MainBuffer.string, S8_Lit(" "), TE_Caret, TE_SearchFlags_SearchLeft); + if (pos == -1) pos = 0; + TE_Caret = pos; + } + else CaretBackward(); + } + if (Mu->window->key[MU_KEY_RIGHT].raw_press) { + if (Mu->window->key[MU_KEY_CONTROL].down) { + // CaretForward(); + int64_t pos = TE_Search(TE_MainBuffer.string, S8_Lit(" "), TE_Caret, 0); + if (pos == -1) pos = TE_MainBuffer.string.len; + TE_Caret = pos; + } + else CaretForward(); + } + + for (UTF8_Iter iter = UTF8_IterateEx((char *)Mu->window->user_text8, Mu->window->user_text8_count); iter.item; UTF8_Advance(&iter)) { + uint32_t it = iter.item; + + if (it == '\b') { + int64_t step = CaretBackward(); + TE_Replace(&TE_MainBuffer, S8_Lit(""), TE_Caret, step); + } + + else if (it == 127) { + // @warning: If I want to implement stuff like seek over all whitespace then it needs to be on search + // function level + int64_t pos = TE_Search(TE_MainBuffer.string, S8_Lit(" "), TE_Caret, TE_SearchFlags_SearchLeft); + if (pos == -1) pos = 0; + TE_Replace(&TE_MainBuffer, S8_Lit(""), pos, TE_Caret); + TE_Caret = pos; + } + + else { + TE_Insert(&TE_MainBuffer, S8_Make(iter.str + iter.i, iter.utf8_codepoint_byte_size), TE_Caret); + CaretForward(); + } + } + Vec2 window_middle = Mu->window->sizef / 2.0f; + Vec2 string_size = R2_GetStringSize(TE_MainBuffer.string); + + Vec2 text_pos = window_middle - Vec2{string_size.x / 2, 0}; + R2_StringParams params = R2_MakeStringParams(TE_MainBuffer.string, text_pos, COLOR_text, true); + params.rects_arena = G_Frame; + R2_StringMeasure measure = R2_BaseDrawString(params); + + // Draw the caret + { + Rect2 caret_rect = {}; + if (TE_Caret == 0) { + if (TE_MainBuffer.string.len) { + R2_RectNode *it = measure.first_rect; + caret_rect = {it->rect.min.x - 2, it->rect.min.y, it->rect.min.x + 2, it->rect.max.y}; + } + else { + caret_rect = {window_middle.x - 2, window_middle.y, window_middle.x + 2, window_middle.y + R2.font->size / 2}; + } + } + else if (TE_Caret == TE_MainBuffer.string.len) { + caret_rect = {measure.rect.max.x - 2, measure.rect.min.y, measure.rect.max.x + 2, measure.rect.max.y}; + } + else { + int glyph_i = 0; + for (R2_RectNode *it = measure.first_rect; it; it = it->next) { + if ((glyph_i + it->utf8_codepoint_byte_size) == TE_Caret) { + caret_rect = {it->rect.max.x - 2, it->rect.min.y, it->rect.max.x + 2, it->rect.max.y}; + } + glyph_i += it->utf8_codepoint_byte_size; + } + } + R2_DrawRect(caret_rect, COLOR_Caret); + } + + int64_t text_index = 0; + if (Mu->window->mouse.left.down) { + for (R2_RectNode *it = measure.first_rect; it; it = it->next) { + if (AreColliding(it->rect, Mu->window->mouse.posf)) { + TE_Caret = text_index; + + Vec4 color = COLOR_Caret; + color.a = 0.2f; + R2_DrawRect(it->rect, color); + } + text_index += 1; + } + } +} \ No newline at end of file diff --git a/src/visualize/render2d.cpp b/src/visualize/render2d.cpp new file mode 100755 index 0000000..8f55831 --- /dev/null +++ b/src/visualize/render2d.cpp @@ -0,0 +1,949 @@ +// #include "vendor/stb_truetype.h" +// #include "vendor/glad/glad.h" +#include + +extern MA_Arena *G_Frame; + +struct Font_Glyph { + // Scaling transform applied to these + Vec2 size, offset; + float x_advance; + float left_side_bearing; + + Rect2 atlas_bounding_box; +}; + +struct Font { + uint8_t *atlas; + Font_Glyph glyphs[96]; + int glyph_count; + + uint32_t first_char, last_char; + + unsigned texture_id; + + // This is for oversampling + // 0.5 = we draw the font as 2 times smaller then it is. + // Should lead to better quality result. + float scaling_transform; + + // scaling transform is applied to these + float size; + float ascent; + float descent; + float line_gap; + + // scaling factor not applied, not sure if these will be useful + float scale; + float em_scale; + + Rect2 white_texture_bounding_box; +}; + +struct R2_Atlas { + uint8_t *bitmap; + Vec2I sizei; + Vec2 size; + Vec2 inverse_size; + Vec2I cursor; + int biggest_height; + Rect2 white_texture_bounding_box; + unsigned texture_id; +}; + +struct File { + uint8_t *content; + uint64_t size; +}; + +typedef struct R2_Vertex R2_Vertex; +struct R2_Vertex { + Vec2 pos; + Vec2 tex; + Vec4 color; +}; +#define R2_Vertex_GLSL \ + "layout(location=0) uniform Vec2 U_InvHalfScreenSize;\n" \ + "layout(location=0) in Vec2 IN_Pos;\n" \ + "layout(location=1) in Vec2 IN_Tex;\n" \ + "layout(location=2) in Vec4 IN_Color;\n" + +#define R2_STRINGIFY2(x) #x +#define R2_STRINGIFY(x) R2_STRINGIFY2(x) +#define R2_GLSL_HEADER(x) \ + "#version 450 core\n" \ + "#line " R2_STRINGIFY(x) "\n" \ + "#define Vec2 vec2\n" \ + "#define Vec3 vec3\n" \ + "#define Vec4 vec4\n" + +struct R2_VertexNode { + R2_VertexNode *next; + int count; + R2_Vertex vertices[1024 * 64]; +}; + +struct R2_VertexList { + R2_VertexNode *first; + R2_VertexNode *last; +}; + +struct R2_Shader { + unsigned pipeline, fshader, vshader; +}; + +struct V_Circle { + Vec2 pos; + float color_index; +}; +const int R2_MaxCircleCount = 1024 * 64; +const int R2_CircleBufferSize = R2_MaxCircleCount * sizeof(V_Circle); + +struct R2_Render { + bool initialized; + R2_VertexList base_vertex_list; + R2_VertexList ui_vertex_list; + + R2_VertexList *vertex_list; + Font *font; + Font font_small; + Font font_medium; + Font font_large; + Font font_very_large; + R2_Atlas atlas; + unsigned vbo, vao, pipeline, fshader, vshader; + + int64_t vertex_count; //@stats + MA_Arena arena; + + struct { + MA_Arena arena; + R2_Shader shader; + float radius; + + Array colors; + int color_iter; + + int instances_to_render; + int mesh_vertex_count; + int mesh_segment_count; + unsigned vbo_positions; + unsigned vbo_mesh; + unsigned vao; + } circle; +}; +R2_Render R2; + +struct R2_RectNode { + R2_RectNode *next; + Rect2 rect; + int utf8_codepoint_byte_size; +}; + +struct R2_StringMeasure { + R2_RectNode *first_rect; + R2_RectNode *last_rect; + Rect2 rect; +}; + +// @todo: Add multiple font support +// Need to add a way to output multiple draw calls instead of 1 +// So a command buffer of sorts +/// + +File ReadFile(MA_Arena *arena, S8_String filename) { + IO_Assertf(filename.str[filename.len] == 0, "String was not null terminated"); + + File result = {}; + FILE *f = fopen(filename.str, "r"); + if (f) { + fseek(f, 0, SEEK_END); + long fsize = ftell(f); + fseek(f, 0, SEEK_SET); + + result.content = (uint8_t *)MA_PushSizeNonZeroed(arena, fsize + 1); + fread(result.content, fsize, 1, f); + + result.size = fsize; + result.content[result.size] = 0; + + fclose(f); + } + + return result; +} + +R2_Atlas R2_CreateAtlas(MA_Arena *arena, Vec2I size) { + R2_Atlas result = {}; + result.sizei = size; + result.size = Vec2IToVec2(size); + result.inverse_size.x = 1.f / result.size.x; + result.inverse_size.y = 1.f / result.size.y; + result.bitmap = MA_PushArray(arena, uint8_t, size.x * size.y); + + // Add a whitebox first for rectangle rendering + for (int y = 0; y < 16; y++) { + for (int x = 0; x < 16; x++) { + uint8_t *dst = result.bitmap + x + y * result.sizei.x; + *dst = 0xff; + } + } + // Skipping some pixels to avoid linear interpolation on edges + result.white_texture_bounding_box = {2.f * result.inverse_size.x, 2.f / result.size.y, 14.f * result.inverse_size.x, 14.f / result.size.y}; + result.cursor.x += 16; + result.biggest_height += 16; + return result; +} + +Rect2 R2_PackBitmapInvertY(R2_Atlas *atlas, uint8_t *bitmap, int width, int height) { + // Packing into a texture atlas + // @Inefficient The algorithm is a simplest thing I had in mind, first we advance + // through the atlas in X packing consecutive glyphs. After we get to the end of the row + // we advance to the next row by the Y size of the biggest packed glyph. If we get to the + // end of atlas and fail to pack everything the app panics. + + int spacing = 4; + if (atlas->cursor.x + width > atlas->sizei.x) { + if (atlas->cursor.y + height < atlas->sizei.y) { + atlas->cursor.x = 0; + atlas->cursor.y += atlas->biggest_height + spacing; + } else { + IO_Assert(!"Error while packing a font into atlas. Atlas size for this font scale is a bit too small"); + } + } + + // Write the bitmap with inverted Y + uint8_t *src = bitmap; + for (int y = atlas->cursor.y + height - 1; y >= atlas->cursor.y; y--) { + for (int x = atlas->cursor.x; x < atlas->cursor.x + width; x++) { + uint8_t *dst = atlas->bitmap + x + y * atlas->sizei.x; + *dst = *src++; + } + } + + Vec2 size = {(float)width * atlas->inverse_size.x, (float)height / atlas->size.y}; + Vec2 pos = {(float)atlas->cursor.x * atlas->inverse_size.x, (float)atlas->cursor.y / atlas->size.y}; + Rect2 result = {pos.x, pos.y, pos.x + size.x, pos.y + size.y}; + + atlas->cursor.x += width + spacing; + if (height > atlas->biggest_height) { + atlas->biggest_height = height; + } + + return result; +} + +Font Font_Create(R2_Atlas *atlas, float size, S8_String path, float oversampling) { + MA_Scratch scratch; + File font_file = ReadFile(scratch, path); + + Font result = {}; + result.scaling_transform = 1.f / oversampling; + result.size = oversampling * size; + + result.first_char = ' '; + result.last_char = '~'; + stbtt_fontinfo stb_font; + if (font_file.content) { + int success = stbtt_InitFont(&stb_font, font_file.content, 0); + if (success) { + int ascent, descent, gap; + stbtt_GetFontVMetrics(&stb_font, &ascent, &descent, &gap); + result.scale = stbtt_ScaleForPixelHeight(&stb_font, result.size); + result.em_scale = stbtt_ScaleForMappingEmToPixels(&stb_font, result.size); + result.ascent = (float)ascent * result.scale; + result.descent = (float)descent * result.scale; + result.line_gap = (float)gap * result.scale; + result.white_texture_bounding_box = atlas->white_texture_bounding_box; + + for (uint32_t ascii_symbol = result.first_char; ascii_symbol <= result.last_char; ascii_symbol++) { + int width, height, xoff, yoff; + uint8_t *bitmap = (uint8_t *)stbtt_GetCodepointBitmap(&stb_font, 0, result.scale, ascii_symbol, &width, &height, &xoff, &yoff); + defer { stbtt_FreeBitmap(bitmap, 0); }; + + int x_advance, left_side_bearing; + stbtt_GetCodepointHMetrics(&stb_font, ascii_symbol, &x_advance, &left_side_bearing); + + Font_Glyph *g = result.glyphs + result.glyph_count++; + g->atlas_bounding_box = R2_PackBitmapInvertY(atlas, bitmap, width, height); + g->size = {(float)width, (float)height}; + + // Offset y needs to be inverted cause bitmap has inverted Y + g->offset = {(float)xoff, -(g->size.y + (float)yoff)}; + g->x_advance = x_advance * result.scale; + g->left_side_bearing = left_side_bearing * result.scale; + + // Apply scaling transform + g->offset *= result.scaling_transform; + g->x_advance *= result.scaling_transform; + g->left_side_bearing *= result.scaling_transform; + g->size *= result.scaling_transform; + } + + result.ascent *= result.scaling_transform; + result.descent *= result.scaling_transform; + result.size *= result.scaling_transform; + result.line_gap *= result.scaling_transform; + } + } + + return result; +} + +Font_Glyph &Font_GetGlyph(Font *font, uint32_t codepoint) { + bool is_in_range = codepoint >= font->first_char && codepoint <= font->last_char; + if (is_in_range) { + uint32_t index = codepoint - font->first_char; + return font->glyphs[index]; + } else { + uint32_t index = '?' - font->first_char; + return font->glyphs[index]; + } +} + +void GL_DebugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *user) { + IO_Printf("%s\n", message); + if (severity == GL_DEBUG_SEVERITY_HIGH || severity == GL_DEBUG_SEVERITY_MEDIUM) { + IO_Assert(!"OpenGL API usage error!"); + } +} + +void GL_Init(MU_Context *mu) { + int success = gladLoadGLLoader(mu->gl_get_proc_address); + IO_Assert(success); + glDebugMessageCallback(&GL_DebugCallback, NULL); + glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); + void R2_Init(R2_Render * R); + R2_Init(&R2); +} + +void GL_Clear(Vec2I window_size, Vec4 clear_color = {0, 0, 0, 0}) { + glViewport(0, 0, window_size.x, window_size.y); + glClearColor(clear_color.r, clear_color.g, clear_color.b, clear_color.a); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); +} + +R2_Shader R2_CreateShader(char *glsl_vshader, char *glsl_fshader) { + R2_Shader result = {}; + result.vshader = glCreateShaderProgramv(GL_VERTEX_SHADER, 1, &glsl_vshader); + result.fshader = glCreateShaderProgramv(GL_FRAGMENT_SHADER, 1, &glsl_fshader); + + GLint linked; + glGetProgramiv(result.vshader, GL_LINK_STATUS, &linked); + if (!linked) { + char message[1024]; + glGetProgramInfoLog(result.vshader, sizeof(message), NULL, message); + IO_FatalErrorf("[GL] Failed to create vertex shader! %s", message); + } + + glGetProgramiv(result.fshader, GL_LINK_STATUS, &linked); + if (!linked) { + char message[1024]; + glGetProgramInfoLog(result.fshader, sizeof(message), NULL, message); + IO_FatalErrorf("[GL] Failed to create fragment shader! %s", message); + } + + glGenProgramPipelines(1, &result.pipeline); + glUseProgramStages(result.pipeline, GL_VERTEX_SHADER_BIT, result.vshader); + glUseProgramStages(result.pipeline, GL_FRAGMENT_SHADER_BIT, result.fshader); + return result; +} + +Vec2 *MESH_GenerateCircle(MA_Arena *arena, float radius, int segment_count) { + int vertex_count = segment_count * 3; + Vec2 *circle_pos = MA_PushArray(arena, Vec2, vertex_count); + Vec2 *points = MA_PushArray(G_Frame, Vec2, segment_count + 1); + for (int i = 0; i < segment_count; i += 1) { + float radians = 2.0f * PI32 * float(i) / float(segment_count); + float x = radius * cosf(radians); + float y = radius * sinf(radians); + points[i] = {x, y}; + } + points[segment_count] = points[0]; // wrap around + + int point_i = 0; + int segment_i = 0; + for (; segment_i < vertex_count; segment_i += 3, point_i += 1) { + Vec2 *it = circle_pos + segment_i; + it[0] = {points[point_i]}; + it[1] = {points[point_i + 1]}; + it[2] = {}; + } + return circle_pos; +} + +void R2_Init(R2_Render *R) { + if (R2.initialized) return; + R2.vertex_list = &R2.base_vertex_list; + + R2.initialized = true; + MA_Checkpoint atlas_memory = MA_Save(&R2.arena); + + R2_Atlas atlas = R2_CreateAtlas(atlas_memory.arena, {2048, 2048}); + R2.atlas = atlas; + + R2.font_small = Font_Create(&atlas, 32.f, "C:/windows/fonts/Calibri.ttf"_s, 1.0f); + R2.font_medium = Font_Create(&atlas, 32.f, "C:/windows/fonts/Calibri.ttf"_s, 2.0f); + R2.font_large = Font_Create(&atlas, 32.f, "C:/windows/fonts/Calibri.ttf"_s, 4.0f); + R2.font_very_large = Font_Create(&atlas, 32.f, "C:/windows/fonts/Calibri.ttf"_s, 8.0f); + // Upload to GPU + { + glCreateTextures(GL_TEXTURE_2D, 1, &atlas.texture_id); + glTextureParameteri(atlas.texture_id, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTextureParameteri(atlas.texture_id, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTextureParameteri(atlas.texture_id, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTextureParameteri(atlas.texture_id, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTextureStorage2D(atlas.texture_id, 1, GL_R8, R2.atlas.sizei.x, R2.atlas.sizei.y); + glTextureSubImage2D(atlas.texture_id, 0, 0, 0, R2.atlas.sizei.x, R2.atlas.sizei.y, GL_RED, GL_UNSIGNED_BYTE, atlas.bitmap); + } + R2.font_medium.texture_id = atlas.texture_id; + R2.font_small.texture_id = atlas.texture_id; + R2.font_large.texture_id = atlas.texture_id; + R2.font_very_large.texture_id = atlas.texture_id; + R2.font = &R2.font_medium; + MA_Load(atlas_memory); + + { + glCreateBuffers(1, &R2.vbo); + glNamedBufferStorage(R2.vbo, lengthof(R2_VertexNode::vertices) * sizeof(R2_Vertex), 0, GL_DYNAMIC_STORAGE_BIT); + } + + { + glCreateVertexArrays(1, &R2.vao); + + GLint vbuf_index = 0; + glVertexArrayVertexBuffer(R2.vao, vbuf_index, R2.vbo, 0, sizeof(struct R2_Vertex)); + + GLint a_pos = 0; + glVertexArrayAttribFormat(R2.vao, a_pos, 2, GL_FLOAT, GL_FALSE, offsetof(struct R2_Vertex, pos)); + glVertexArrayAttribBinding(R2.vao, a_pos, vbuf_index); + glEnableVertexArrayAttrib(R2.vao, a_pos); + + GLint a_tex = 1; + glVertexArrayAttribFormat(R2.vao, a_tex, 2, GL_FLOAT, GL_FALSE, offsetof(struct R2_Vertex, tex)); + glVertexArrayAttribBinding(R2.vao, a_tex, vbuf_index); + glEnableVertexArrayAttrib(R2.vao, a_tex); + + GLint a_color = 2; + glVertexArrayAttribFormat(R2.vao, a_color, 4, GL_FLOAT, GL_FALSE, offsetof(struct R2_Vertex, color)); + glVertexArrayAttribBinding(R2.vao, a_color, vbuf_index); + glEnableVertexArrayAttrib(R2.vao, a_color); + } + + { + char *glsl_vshader = R2_GLSL_HEADER(__LINE__) R2_Vertex_GLSL R"==( + out gl_PerVertex { vec4 gl_Position; }; // required because of ARB_separate_shader_objects + out vec2 OUT_UV; + out vec4 OUT_Color; + + void main() { + vec2 pos = IN_Pos * U_InvHalfScreenSize; + pos -= vec2(1, 1); + + gl_Position = vec4(pos, 0, 1); + OUT_UV = IN_Tex; + OUT_Color = IN_Color; + } + )=="; + + char *glsl_fshader = R2_GLSL_HEADER(__LINE__) R"==( + in vec2 IN_UV; + in vec4 IN_Color; + + layout (binding=0) uniform sampler2D S_Texture; + layout (location=0) out vec4 OUT_Color; + + vec3 lerp(vec3 v0, vec3 v1, float t) { + return (1 - t) * v0 + t * v1; + } + + void main() { + vec4 c = IN_Color; + c.a *= texture(S_Texture, IN_UV).r; + OUT_Color = c; + } + )=="; + R2_Shader shader = R2_CreateShader(glsl_vshader, glsl_fshader); + R2.vshader = shader.vshader; + R2.fshader = shader.fshader; + R2.pipeline = shader.pipeline; + } + + // + // Prepare circle rendering + // + // @note: Circle gets later updated before rendering + { + const int segment_count = 16; + const int vertex_count = segment_count * 3; + R2.circle.mesh_vertex_count = vertex_count; + R2.circle.mesh_segment_count = segment_count; + R2.circle.radius = 2.0f; + Vec2 *circle_pos = MESH_GenerateCircle(G_Frame, R2.circle.radius, segment_count); + + glCreateBuffers(1, &R2.circle.vbo_mesh); + glNamedBufferStorage(R2.circle.vbo_mesh, sizeof(Vec2) * vertex_count, circle_pos, GL_DYNAMIC_STORAGE_BIT); + + glCreateBuffers(1, &R2.circle.vbo_positions); + glNamedBufferStorage(R2.circle.vbo_positions, R2_CircleBufferSize, 0, GL_DYNAMIC_STORAGE_BIT); + + { + unsigned vao = 0; + glCreateVertexArrays(1, &vao); + + glVertexArrayVertexBuffer(vao, 0 /*vbuf_index*/, R2.circle.vbo_mesh, 0, sizeof(Vec2)); + glVertexArrayVertexBuffer(vao, 1 /*vbuf_index*/, R2.circle.vbo_positions, 0, sizeof(V_Circle)); + + GLint IN_Pos = 0; + glVertexArrayAttribFormat(vao, IN_Pos, 2, GL_FLOAT, GL_FALSE, 0); + glVertexArrayAttribBinding(vao, IN_Pos, 0 /*vbuf_index*/); + glEnableVertexArrayAttrib(vao, IN_Pos); + + GLint IN_Offset = 1; + glVertexArrayAttribFormat(vao, IN_Offset, 2, GL_FLOAT, GL_FALSE, 0); + glVertexArrayAttribBinding(vao, IN_Offset, 1 /*vbuf_index*/); + glEnableVertexArrayAttrib(vao, IN_Offset); + glVertexArrayBindingDivisor(vao, IN_Offset, 1); + + GLint IN_ColorIndex = 2; + glVertexArrayAttribFormat(vao, IN_ColorIndex, 1, GL_FLOAT, GL_FALSE, offsetof(V_Circle, color_index)); + glVertexArrayAttribBinding(vao, IN_ColorIndex, 1 /*vbuf_index*/); + glEnableVertexArrayAttrib(vao, IN_ColorIndex); + glVertexArrayBindingDivisor(vao, IN_ColorIndex, 1); + + R2.circle.vao = vao; + } + + char *glsl_vshader = R2_GLSL_HEADER(__LINE__) R"==( + layout(location=0) uniform Vec2 U_InvHalfScreenSize; + layout(location=1) uniform Vec4 U_Colors[256]; // :Colors + + layout(location=0) in Vec2 IN_Pos; + layout(location=1) in Vec2 IN_Offset; + layout(location=2) in float IN_ColorIndex; + + out gl_PerVertex { vec4 gl_Position; }; // required because of ARB_separate_shader_objects + out vec4 OUT_Color; + + void main() { + vec2 pos = (IN_Pos+IN_Offset)*U_InvHalfScreenSize; + pos -= vec2(1, 1); + + gl_Position = vec4(pos, 0, 1); + OUT_Color = U_Colors[int(IN_ColorIndex)]; + } + )=="; + + char *glsl_fshader = R2_GLSL_HEADER(__LINE__) R"==( + in vec4 IN_Color; + + layout (location=0) out vec4 OUT_Color; + + void main() { + vec4 c = IN_Color; + OUT_Color = c; + } + )=="; + R2.circle.shader = R2_CreateShader(glsl_vshader, glsl_fshader); + MA_Init(&R2.circle.arena); + R2.circle.arena.alignment = 0; + + // :Colors + RandomSeed seed = {193}; + { + R2.circle.colors.reserve(256); + for (int i = 0; i < 256; i += 1) { + Vec4 hsl = {0, 0.4f, 0.60f, 1.0f}; + hsl.r = (float)GetRandomNormal(&seed); + Vec4 rgb = HSLToRGB(hsl); + R2.circle.colors.add(rgb); + } + } + } +} + +Vec4 R2_GetColor(int *idx) { + int index = R2.circle.color_iter % 256; + R2.circle.color_iter += 1; + Vec4 result = R2.circle.colors[index]; + *idx = index; + return result; +} + +R2_Vertex *R2_AllocVertex(MA_Arena *arena, R2_VertexList *list, int count) { + R2_VertexNode *node = list->last; + if (node == 0 || node->count + count > lengthof(node->vertices)) { + node = MA_PushStruct(arena, R2_VertexNode); + SLL_QUEUE_ADD(list->first, list->last, node); + } + + R2.vertex_count += count; + R2_Vertex *result = node->vertices + node->count; + node->count += count; + return result; +} + +void R2_PushVertex(MA_Arena *arena, R2_VertexList *list, R2_Vertex *vertices, int count) { + R2_VertexNode *node = list->last; + if (node == 0 || node->count + count > lengthof(node->vertices)) { + node = MA_PushStruct(arena, R2_VertexNode); + SLL_QUEUE_ADD(list->first, list->last, node); + } + + R2.vertex_count += count; + for (int i = 0; i < count; i += 1) { + node->vertices[node->count++] = vertices[i]; + } +} + +void R2_DrawCircle(Vec2 pos, float radius, Vec4 color) { + const int segment_count = 16; + const int vertex_count = segment_count * 3; + Vec2 points[segment_count + 1]; + for (int i = 0; i < lengthof(points); i += 1) { + float radians = 2.0f * PI32 * float(i) / float(segment_count); + float x = radius * cosf(radians); + float y = radius * sinf(radians); + points[i] = {x, y}; + } + points[segment_count] = points[0]; // wrap around + + R2_Vertex *vertices = R2_AllocVertex(&R2.arena, R2.vertex_list, vertex_count); + int point_i = 0; + int segment_i = 0; + for (; segment_i < vertex_count; segment_i += 3, point_i += 1) { + Rect2 tex = R2.font->white_texture_bounding_box; + R2_Vertex *it = vertices + segment_i; + it[0].color = color; + it[1].color = color; + it[2].color = color; + it[0].tex = {tex.min.x, tex.max.y}; + it[1].tex = {tex.max.x, tex.max.y}; + it[2].tex = {tex.min.x, tex.min.y}; + + it[0].pos = {pos + points[point_i]}; + it[1].pos = {pos + points[point_i + 1]}; + it[2].pos = {pos}; + } +} + +void R2_PushQuad(MA_Arena *arena, R2_VertexList *list, Rect2 rect, Rect2 tex, Vec4 color, float rotation = 0.f, Vec2 rotation_point = {}) { + R2_Vertex *v = R2_AllocVertex(arena, list, 6); + v[0] = { + {rect.min.x, rect.max.y}, + { tex.min.x, tex.max.y}, + color + }; + v[1] = { + {rect.max.x, rect.max.y}, + { tex.max.x, tex.max.y}, + color + }; + v[2] = { + {rect.min.x, rect.min.y}, + { tex.min.x, tex.min.y}, + color + }; + v[3] = { + {rect.min.x, rect.min.y}, + { tex.min.x, tex.min.y}, + color + }; + v[4] = { + {rect.max.x, rect.max.y}, + { tex.max.x, tex.max.y}, + color + }; + v[5] = { + {rect.max.x, rect.min.y}, + { tex.max.x, tex.min.y}, + color + }; + if (rotation != 0.f) { + float s = sinf(rotation); + float c = cosf(rotation); + for (int i = 0; i < 6; i += 1) { + v[i].pos -= rotation_point; + v[i].pos = {v[i].pos.x * c + v[i].pos.y * (-s), v[i].pos.x * s + v[i].pos.y * c}; + v[i].pos += rotation_point; + } + } +} + +void R2_DrawRectRounded(Rect2 rect, Vec4 color, float roundness = 0.3f) { + // Draw 5 rectangles, one in the middle, and for on sides, something like a cross + Vec2 size = CalcSize(rect); + float max_size = Minimum(size.x, size.y); + + float shrink_by = max_size * roundness; + Rect2 inner_rect = ShrinkByHalfSize(rect, {shrink_by, shrink_by}); + Rect2 left_rect = {rect.min.x, inner_rect.min.y, inner_rect.min.x, inner_rect.max.y}; + Rect2 right_rect = {inner_rect.max.x, inner_rect.min.y, rect.max.x, inner_rect.max.y}; + Rect2 up_rect = {inner_rect.min.x, inner_rect.max.y, inner_rect.max.x, rect.max.y}; + Rect2 down_rect = {inner_rect.min.x, inner_rect.min.y, inner_rect.max.x, rect.min.y}; + R2_PushQuad(&R2.arena, R2.vertex_list, inner_rect, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, left_rect, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, right_rect, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, up_rect, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, down_rect, R2.font->white_texture_bounding_box, color); + + // @optimize: we dont want to draw an entire circle lmao, just a 4th of it + Vec2 top_left = {inner_rect.min.x, inner_rect.max.y}; + Vec2 top_right = {inner_rect.max.x, inner_rect.max.y}; + Vec2 bottom_left = {inner_rect.min.x, inner_rect.min.y}; + Vec2 bottom_right = {inner_rect.max.x, inner_rect.min.y}; + + R2_DrawCircle(top_left, shrink_by, color); + R2_DrawCircle(top_right, shrink_by, color); + R2_DrawCircle(bottom_left, shrink_by, color); + R2_DrawCircle(bottom_right, shrink_by, color); +} + +void R2_DrawRect(Rect2 rect, Vec4 color) { + R2_PushQuad(&R2.arena, R2.vertex_list, rect, R2.font->white_texture_bounding_box, color); +} + +void R2_DrawLine(Vec2 p0, Vec2 p1, float thickness, Vec4 color) { + Rect2 tex = R2.font->white_texture_bounding_box; + float half_thickness = thickness / 2.f; + + Vec2 from_p1_to_p0 = Normalize(p1 - p0); + Vec2 perp = {-from_p1_to_p0.y, from_p1_to_p0.x}; + Vec2 offset = perp * thickness; + + Vec2 p00 = p0 - offset; + Vec2 p01 = p0 + offset; + Vec2 p10 = p1 - offset; + Vec2 p11 = p1 + offset; + R2_Vertex *v = R2_AllocVertex(&R2.arena, R2.vertex_list, 6); + v[0].pos = {p00.x, p00.y}; + v[0].tex = {tex.min.x, tex.max.y}; + v[0].color = color; + v[1].pos = {p11.x, p11.y}; + v[1].tex = {tex.max.x, tex.max.y}; + v[1].color = color; + v[2].pos = {p10.x, p10.y}; + v[2].tex = {tex.min.x, tex.min.y}; + v[2].color = color; + v[3].pos = {p00.x, p00.y}; + v[3].tex = {tex.min.x, tex.min.y}; + v[3].color = color; + v[4].pos = {p11.x, p11.y}; + v[4].tex = {tex.max.x, tex.max.y}; + v[4].color = color; + v[5].pos = {p01.x, p01.y}; + v[5].tex = {tex.max.x, tex.min.y}; + v[5].color = color; +} + +void R2_DrawRectOutline(Rect2 rect, Vec4 color, float thickness = 1.0f) { + Rect2 up = {rect.min.x, rect.max.y - thickness, rect.max.x, rect.max.y}; + Rect2 down = {rect.min.x, rect.min.y, rect.max.x, rect.min.y + thickness}; + Rect2 left = {rect.min.x, rect.min.y, rect.min.x + thickness, rect.max.y}; + Rect2 right = {rect.max.x - thickness, rect.min.y, rect.max.x, rect.max.y}; + R2_PushQuad(&R2.arena, R2.vertex_list, up, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, down, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, left, R2.font->white_texture_bounding_box, color); + R2_PushQuad(&R2.arena, R2.vertex_list, right, R2.font->white_texture_bounding_box, color); +} + +struct R2_StringParams { + Vec2 pos; + S8_String string; + Vec4 color; + + float rotation; + float scale; + bool do_draw; + MA_Arena *rects_arena; +}; + +R2_StringMeasure R2_BaseDrawString(R2_StringParams params) { + R2_StringMeasure result = {}; + // if (params.color.a < 0.00001f) params.do_draw = false; + + S8_String string = params.string; + Vec2 original_pos = params.pos; + Vec2 max_pos = params.pos; + Vec2 pos = params.pos; + float scale = params.scale; + for (UTF8_Iter iter = UTF8_IterateEx(params.string.str, (int)params.string.len); iter.item; UTF8_Advance(&iter)) { + uint32_t it = iter.item; + if (it == '\n') { + pos.x = original_pos.x; + pos.y -= R2.font->size * scale; + if (pos.x > max_pos.x) max_pos.x = pos.x; + if (pos.y < max_pos.y) max_pos.y = pos.y; // @warning: min position y actually + continue; + } + Font_Glyph &g = Font_GetGlyph(R2.font, it); + + Vec2 sym_pos = pos; + pos.x += g.x_advance * scale; + if (pos.x > max_pos.x) max_pos.x = pos.x; + if (pos.y < max_pos.y) max_pos.y = pos.y; // @warning: min position y actually + + sym_pos.x += g.offset.x * scale; + sym_pos.y += g.offset.y * scale; + + Vec2 minp = {sym_pos.x, sym_pos.y}; + Rect2 rect = Rect2_Size(minp, g.size * scale); + if (params.do_draw) { + R2_PushQuad(&R2.arena, R2.vertex_list, rect, g.atlas_bounding_box, params.color, params.rotation, original_pos); + } + if (params.rects_arena) { + R2_RectNode *node = MA_PushStruct(params.rects_arena, R2_RectNode); + node->rect = rect; + node->utf8_codepoint_byte_size = iter.utf8_codepoint_byte_size; + SLL_QUEUE_ADD(result.first_rect, result.last_rect, node); + } + } + + result.rect = { + original_pos.x, max_pos.y + R2.font->descent * scale, // @warning: min position y actually + max_pos.x, original_pos.y + R2.font->ascent * scale}; + + return result; +} + +R2_StringParams R2_MakeStringParams(S8_String string, Vec2 pos = {}, Vec4 color = {}, bool do_draw = false) { + R2_StringParams params = {}; + params.pos = pos; + params.string = string; + params.color = color; + params.scale = 1.0f; + params.do_draw = do_draw; + return params; +} + +Rect2 R2_DrawString(Vec2 pos, S8_String string, Vec4 color = {1, 1, 1, 1}, float scale = 1.0f, float rotation = 0.0f) { + R2_StringParams params = R2_MakeStringParams(string, pos, color, true); + params.scale = scale; + params.rotation = rotation; + R2_StringMeasure result = R2_BaseDrawString(params); + return result.rect; +} + +Rect2 R2_GetStringRect(Vec2 pos, S8_String string) { + R2_StringParams params = R2_MakeStringParams(string, pos); + R2_StringMeasure result = R2_BaseDrawString(params); + return result.rect; +} + +Vec2 R2_GetStringSize(S8_String string, float scale = 1.0f) { + R2_StringParams params = R2_MakeStringParams(string); + params.scale = scale; + R2_StringMeasure result = R2_BaseDrawString(params); + return CalcSize(result.rect); +} + +R2_StringMeasure R2_GetStringMeasure(MA_Arena *arena, Vec2 pos, S8_String string) { + R2_StringParams params = R2_MakeStringParams(string, pos); + params.rects_arena = arena; + R2_StringMeasure result = R2_BaseDrawString(params); + return result; +} + +float R2_DebugStringYValue; +Rect2 R2_DebugString(char *string, ...) { + S8_FORMAT(G_Frame, string, result); + + R2.vertex_list = &R2.ui_vertex_list; + Vec2 pos = {0, R2_DebugStringYValue}; + R2_DrawString(pos - 2, result, {0, 0, 0, 1}); + Rect2 rect = R2_DrawString(pos, result, {1, 1, 1, 1}); + R2_DebugStringYValue += R2.font->size; + R2.vertex_list = &R2.base_vertex_list; + return rect; +} + +void R2_ClearFrameData() { + MA_Reset(&R2.arena); + R2.ui_vertex_list.first = 0; + R2.ui_vertex_list.last = 0; + R2.base_vertex_list.first = 0; + R2.base_vertex_list.last = 0; + R2.vertex_count = 0; + + MA_Reset(&R2.circle.arena); + R2.circle.instances_to_render = 0; +} + +void R2_EndFrame(Vec2 window_size) { + R2_DebugStringYValue = 0; + R2.circle.color_iter = 0; + + // Update the circle size + { + Vec2 *circle_pos = MESH_GenerateCircle(G_Frame, R2.circle.radius, R2.circle.mesh_segment_count); + glNamedBufferSubData(R2.circle.vbo_mesh, 0, R2.circle.mesh_vertex_count * sizeof(Vec2), circle_pos); + } + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + + float x = 1.f / (window_size.x / 2.f); + float y = 1.f / (window_size.y / 2.f); + + // Default draw using the font texture + { + glBindProgramPipeline(R2.pipeline); + glProgramUniform2f(R2.vshader, 0, x, y); + for (R2_VertexNode *it = R2.base_vertex_list.first; it; it = it->next) { + glNamedBufferSubData(R2.vbo, 0, it->count * sizeof(R2_Vertex), it->vertices); + glBindVertexArray(R2.vao); + GLint s_texture = 0; // texture unit that sampler2D will use in GLSL code + glBindTextureUnit(s_texture, R2.font->texture_id); + glDrawArrays(GL_TRIANGLES, 0, it->count); + } + } + + // Draw circles + { + glBindProgramPipeline(R2.circle.shader.pipeline); + glProgramUniform2f(R2.circle.shader.vshader, 0, x, y); + // :Colors + glProgramUniform4fv(R2.circle.shader.vshader, 1, R2.circle.colors.len, (float *)R2.circle.colors.data); + glBindVertexArray(R2.circle.vao); + + V_Circle *circles = (V_Circle *)R2.circle.arena.memory.data; + int offset = 0; + int allocated_batches = (int)ceilf((float)R2.circle.instances_to_render / (float)R2_MaxCircleCount); + for (int batch_i = 0; batch_i < allocated_batches; batch_i += 1) { + int batch_size = ClampTop(R2.circle.instances_to_render - offset, R2_MaxCircleCount); + IO_Assert(batch_size >= 0); + + glNamedBufferSubData(R2.circle.vbo_positions, 0, batch_size * sizeof(V_Circle), circles + offset); + glDrawArraysInstanced(GL_TRIANGLES, 0, R2.circle.mesh_vertex_count, batch_size); + + offset += batch_size; + } + } + + // Draw UI + { + glBindProgramPipeline(R2.pipeline); + glProgramUniform2f(R2.vshader, 0, x, y); + for (R2_VertexNode *it = R2.ui_vertex_list.first; it; it = it->next) { + glNamedBufferSubData(R2.vbo, 0, it->count * sizeof(R2_Vertex), it->vertices); + glBindVertexArray(R2.vao); + GLint s_texture = 0; // texture unit that sampler2D will use in GLSL code + glBindTextureUnit(s_texture, R2.font->texture_id); + glDrawArrays(GL_TRIANGLES, 0, it->count); + } + } + + R2_ClearFrameData(); +} + +uint64_t G_PointCount; + +void R2_DrawCircleFast(Vec2 p, int index) { + V_Circle *result = MA_PushStruct(&R2.circle.arena, V_Circle); + result->pos = p; + result->color_index = (float)index; + R2.circle.instances_to_render += 1; + G_PointCount += 1; +} \ No newline at end of file diff --git a/src/visualize/vis_main.cpp b/src/visualize/vis_main.cpp new file mode 100755 index 0000000..f51c1a1 --- /dev/null +++ b/src/visualize/vis_main.cpp @@ -0,0 +1,222 @@ + +#include "../core/vmath.hpp" +#define MU_Float2 Vec2 +#define MU_Int2 Vec2I + +#include "../core/core.c" +#include "../vendor/stb_truetype.c" +#include "../vendor/glad/glad.c" + +#define VIS_MemoryCopy MA_MemoryCopy +#define VIS_MemoryZero MA_MemoryZero +#define VIS_ASSERT IO_Assert +#define VIS_IMPLEMENTATION +#include "visualize.h" +#include "../core/vmath64.hpp" + +#include "vis_types.h" +#include "render2d.cpp" + +MA_Arena G_PernamentArena; +MA_Arena G_FrameArena; +MA_Arena *G_Frame = &G_FrameArena; +MA_Arena *G_Perm = &G_PernamentArena; +MU_Context *Mu; + +#include "globals.cpp" +#include "vis_ui.cpp" +#include "prototype_data_handling.cpp" +#include "vis_plot_canvas.cpp" +#include "prototype_text_editor.cpp" + +/* TODO +- Add global hotkey to bring to forefront +- Output text to console +- Save event files and add history + +*/ + +int main(int argc, char **argv) { + DEV_SetWorkingDir(); + for (int i = 1; i < argc; i += 1) { + S8_String arg = S8_MakeFromChar(argv[i]); + if (S8_AreEqual(arg, S8_Lit("1"), S8_NO_FLAGS)) G_ProcessID = 1; + } + + VIS_Prototypes prototype = VIS_Prototypes_Plot; + MU_Params params = {}; + params.enable_opengl = true; + params.window.size.x = 1280; + params.window.size.y = 720; + params.delta_time = 0.0166666; + Mu = MU_Start(params); + GL_Init(Mu); + + while (MU_Update(Mu)) { + MA_Reset(G_Frame); + if (Mu->window->key[MU_KEY_ESCAPE].down) { + MU_Quit(Mu); + } + if (Mu->window->is_focused == false) { + + uint8_t cmd = VIS_ReadCommand(); + if (cmd) { + switch (cmd) { + case VIS_COMMAND_CONNECTED: { + U_Notification(4.0f, "Your program has successfully written to the shared memory!"); + } break; + case VIS_COMMAND_CLEAR: { + VIS__Clear(); + } break; + } + VIS_IncrementReadCommand(); + } + + Mu->window->should_render = false; + continue; + } + + // + // PROTOTYPE TRANSITIONS + // + static float t_transition; + static int transition_phase; + + if (Mu->window->key[MU_KEY_F1].press) { + transition_phase = 1; + t_transition = 0; + } + if (transition_phase == 1) { + t_transition += Mu->time.deltaf * 5.0f; + if (t_transition >= 1) { + prototype = (prototype + 1) % VIS_Prototypes_Count; + transition_phase = 2; + } + } + if (transition_phase == 2) { + t_transition -= Mu->time.deltaf * 5.0f; + if (t_transition <= 0) { + transition_phase = 0; + } + } + + // + // CAMERA + // + { + Mu->window->change_cursor_on_mouse_hold = true; + const float zoom_penalty = 0.4f; + const Vec2 target_wheel = {}; + + bool one_zoom_to_far = (G_Camera.zoom.y > 1000.0f || G_Camera.zoom.x > 1000.0f); + if (Mu->window->mouse.delta_wheel) { + bool invalid = one_zoom_to_far && Mu->window->mouse.delta_wheel > 0.0f; + if (!invalid) { + // We are adding the G_Camera.zoom so it scales nicely, + // When big zoom it zoomes faster and when small zoom it zooms slower + G_Camera.wheel = Mu->window->mouse.delta_wheel * G_Camera.zoom * zoom_penalty; + } + } + + if (Mu->window->key[MU_KEY_SPACE].down) { + if (Mu->window->key[MU_KEY_CONTROL].down) { + G_Camera.wheel.x = -0.5f * G_Camera.zoom.x * zoom_penalty; + } else { + G_Camera.wheel.x = 0.5f * G_Camera.zoom.x * zoom_penalty; + } + } + + Vec2 distance = G_Camera.wheel - target_wheel; + Vec2 wheel_step = distance * Mu->time.deltaf * 10.f; + G_Camera.wheel -= wheel_step; // + + Vec2 zoom_to_point = Mu->window->mouse.posf; + Vec2 change_in_zoom = wheel_step; + Vec2 new_zoom = G_Camera.zoom + change_in_zoom; + + bool stepped_any = Absolute(wheel_step.x) >= 0.0000001f && Absolute(wheel_step.y) >= 0.00000001f; + bool zoom_is_big_enough = new_zoom.y > 0.01f && new_zoom.x > 0.01f; + bool zoom_is_small_enough = new_zoom.x < 1200.f && new_zoom.y < 1200.f; + // if (stepped_any && zoom_is_small_enough && zoom_is_big_enough) { + if (1) { + Vec2 t = new_zoom / G_Camera.zoom; + + M4x4 matrix = M4_Identity(); + matrix = M4_Translation({zoom_to_point.x, zoom_to_point.y, 0}) * matrix; + matrix = M4_Scale({t.x, t.y, 1}) * matrix; + matrix = M4_Translation({-zoom_to_point.x, -zoom_to_point.y, 0}) * matrix; + + Vec4 pos = {G_Camera.pos.x, G_Camera.pos.y, 1, 1}; + pos = matrix * pos; + G_Camera.pos = {pos.x, pos.y}; + G_Camera.zoom = new_zoom; + } + + if (G_Camera.zoom.y > 4.0f) { + R2.font = &R2.font_very_large; + } else if (G_Camera.zoom.y > 0.25f) + R2.font = &R2.font_medium; + else { + R2.font = &R2.font_small; + } + + if (Mu->window->mouse.left.down) { + Vec2 pan_delta = Mu->window->mouse.delta_pos_normalized * 1000; + G_Camera.pos -= pan_delta; + } + + float speed = 8.0f; + if (Mu->window->key[MU_KEY_SHIFT].down) { + speed *= 4; + } + + Vec2 multiplier = G_Camera.zoom; + multiplier.x = Clamp(multiplier.x, 1.0f, 4.f); + multiplier.y = Clamp(multiplier.y, 1.0f, 4.f); + if (Mu->window->key[MU_KEY_W].down) { + G_Camera.pos.y += speed * multiplier.y; + } + if (Mu->window->key[MU_KEY_S].down) { + G_Camera.pos.y -= speed * multiplier.y; + } + if (Mu->window->key[MU_KEY_D].down) { + G_Camera.pos.x += speed * multiplier.x; + } + if (Mu->window->key[MU_KEY_A].down) { + G_Camera.pos.x -= speed * multiplier.x; + } + } + + GL_Clear(Mu->window->size, {1, 1, 1, 1}); + + switch (prototype) { + case VIS_Prototypes_Plot: { + PROTOTYPE_Plot(); + } break; + case VIS_Prototypes_TextEditor: { + PROTOTYPE_TextEditor(); + } break; + case VIS_Prototypes_DataHandling: { + PROTOTYPE_DataHandling(); + } break; + IO_InvalidDefaultCase(); + } + + // UI_EndFrame(); + U_EndFrame(); +#if 1 + R2_DebugString("Camera_Pos: %f %f", G_Camera.pos.x, G_Camera.pos.y); + R2_DebugString("Zoom: %f %f", G_Camera.zoom.x, G_Camera.zoom.y); + R2_DebugString("update: %f", Mu->time.update); + R2_DebugString("points: %llu", G_PointCount); + G_PointCount = 0; + // R2_DebugString("loading_globals: %f", T_LoadingGlobals); + // R2_DebugString("draw_routines: %f", T_PlotDrawRoutines); + // R2_DebugString("series_processing: %f", T_PlotSeriesProcessing); + // R2_DebugString("total_events: %f", T_PlotTotal); +#endif + + R2_DrawCircle(Mu->window->sizef / 2, Mu->window->size.x / 2.f * t_transition, HSLToRGB({0.7861f, 0.2f, 0.95f, 1.0f})); + R2_EndFrame({(float)Mu->window->size.x, (float)Mu->window->size.y}); + } +} diff --git a/src/visualize/vis_plot_canvas.cpp b/src/visualize/vis_plot_canvas.cpp new file mode 100755 index 0000000..7bd37a4 --- /dev/null +++ b/src/visualize/vis_plot_canvas.cpp @@ -0,0 +1,600 @@ +bool PLOT_Initialized; + +struct PLOT_Point { + Vec2 render_pos; + Vec2F64 pos; + Vec4 color; + bool was_selected; + uint32_t name; +}; + +struct PLOT_Series { + PLOT_Series *next; + VIS_Node event; + PLOT_Point *points; + int64_t point_count; + + Vec4 color; + int color_index; + + Rect2F64 range; + int *bins; +}; + +// We make a full copy of the data structures, afterwards during a frame +// we don't access the shared memory stuff. The reason for that is let's +// for example say user decides to add some new data after we have computed +// value ranges or even better after we have assigned colors to series. +// Then we could access for example a data point that is not accounted for etc. +struct PLOT_Plot { + PLOT_Plot *next; + VIS_Node event; + + Vec2F64 pos; + + int64_t series_count; + PLOT_Series *first; + PLOT_Series *last; + + int64_t point_count; + Rect2F64 range; +}; +MA_Arena PLOT_Arena; +PLOT_Plot *PLOT_First; +PLOT_Plot *PLOT_Last; +RandomSeed PLOT_FrameSeriesColorSeed; + +void PLOT_DrawBackgroundAndTitle(Rect2 rect, S8_String title) { + R2_DrawRect(rect, COLOR_background_plot); + + // Draw label + // We also need to handle here the behaviour of centering + // in zoomed out view. + { + float label_scale = G_Camera.zoom.y * 1.0f; + float label_t = 0; + if (G_Camera.zoom.y > 0.5f) { + label_t = 0.0f; + } + else { + float t = ((1.f / G_Camera.zoom.y) - 2.0f) / 4.0f; + label_t = Clamp01(Lerp(0, 1, t)); + if (t <= 1.0f) { + label_scale = Lerp(label_scale, 1.0f, PingPong(t)); + } + else { + label_scale = Lerp(0.5f, 1.0f, PingPong(t)); + } + } + + Vec2 plot_midtop = rect.max; + plot_midtop.x -= GetXSize(rect) / 2; + plot_midtop.y += 2; + + Vec2 plot_mid = rect.min + (rect.max - rect.min) / 2.f; + + // We want T that is 0 when zoom is 4 or less + + Vec2 label_pos = Lerp(plot_midtop, plot_mid, label_t); + + S8_String label_string = title; + Vec2 top_label_size = R2_GetStringSize(label_string, label_scale); + label_pos.x -= top_label_size.x / 2; + R2.vertex_list = &R2.ui_vertex_list; + R2_DrawString(label_pos, label_string, COLOR_text, label_scale); + R2.vertex_list = &R2.base_vertex_list; + } +} + +void PLOT_DrawMetrics(Rect2 rect, S8_String xlabel, S8_String ylabel, Rect2F64 range, Vec4 text_color) { + float axis_number_scale = G_Camera.zoom.y * 0.5f; + Vec2 plot_size = CalcSize(rect); + + // X and Y at 0,0 + { + { + S8_String x_value_string = S8_Format(G_Frame, "%.02f", range.min.x); + Vec2 string_size = R2_GetStringSize(x_value_string, axis_number_scale); + Vec2 xpos = {rect.min.x - string_size.x / 2, rect.min.y - string_size.y}; + R2_DrawString(xpos, x_value_string, text_color, axis_number_scale); + } + + { + S8_String y_value_string = S8_Format(G_Frame, "%.02f", range.min.y); + Vec2 string_size = R2_GetStringSize(y_value_string, axis_number_scale); + Vec2 ypos = {rect.min.x - string_size.x + R2.font->descent * G_Camera.zoom.y, rect.min.y}; + R2_DrawString(ypos, y_value_string, text_color, axis_number_scale); + } + } + + Vec2 rect_size = plot_size; + float subdivisions = 10.f; + float start_value = 1.f / subdivisions; + float step_value = 1.f / subdivisions; + float line_half_size = rect_size.y * 0.001f; + + // X Numbers + for (double it = start_value; it < 1.1f; it += step_value) { + double x_value = it * GetXSize(range); + Rect2 line = {rect.min.x, rect.min.y, rect.min.x, rect.max.y}; + line.min.x += (float)it * rect_size.x; + line.max.x += (float)it * rect_size.x; + line.min.x -= line_half_size; + line.max.x += line_half_size; + R2_DrawRect(line, COLOR_plot_lines); + + S8_String x_value_string = S8_Format(G_Frame, "%.02f", x_value); + Vec2 string_size = R2_GetStringSize(x_value_string, axis_number_scale); + R2_DrawString({line.min.x - string_size.x / 2, line.min.y - string_size.y}, x_value_string, text_color, axis_number_scale); + } + + // Y Numbers + float y_label_max_x_string_size = 0; + for (float it = start_value; it < 1.1f; it += step_value) { + double y_value = it * GetYSize(range); + + Rect2 line = {rect.min.x, rect.min.y, rect.max.x, rect.min.y}; + line.min.y += it * rect_size.y; + line.max.y += it * rect_size.y; + line.min.y -= line_half_size; + line.max.y += line_half_size; + R2_DrawRect(line, COLOR_plot_lines); + + S8_String y_value_string = S8_Format(G_Frame, "%.02f", y_value); + Vec2 string_size = R2_GetStringSize(y_value_string, axis_number_scale); + y_label_max_x_string_size = Maximum(y_label_max_x_string_size, string_size.x); + R2_DrawString({line.min.x - string_size.x + R2.font->descent, line.min.y}, y_value_string, text_color, axis_number_scale); + } + + // X label + { + S8_String s = xlabel; + Vec2 pos = rect.min + Vec2{GetXSize(rect) / 2.f, 0}; + Vec2 ssize = R2_GetStringSize(s, axis_number_scale * 2.0f); + + pos.y -= ssize.y * 2.0f; + pos.x -= ssize.x / 2.0f; + R2_DrawString(pos, s, text_color, axis_number_scale * 2.0f); + } + + // Y label + { + S8_String s = ylabel; + Vec2 pos = rect.min + Vec2{0, GetYSize(rect) / 2.f}; + Vec2 ssize = R2_GetStringSize(s, axis_number_scale * 2.0f); + + pos.x -= y_label_max_x_string_size * 2; + pos.y -= ssize.y / 2.0f; + R2_DrawString(pos, s, text_color, axis_number_scale * 2.0f, PI32 * 0.5f); + } +} + +static void PROTOTYPE_Plot() { + PLOT_FrameSeriesColorSeed = {4}; + + // Initialization, Initialized gets switched at end of frame + if (!PLOT_Initialized) { + VIS_CreateSharedMemory(); + U_Notification(60.0f * 60.0f * 48.0f, "No program connected ... "); + } + + static bool generate_3plots_data = false; + + S8_String events_dump_name = S8_Lit("events.bin"); + + // Generate data + if (generate_3plots_data) { + + VIS_Plot(0); + VIS_Title("Different application metrics "); + VIS_XLabel("Frame number"); + VIS_YLabel("Time in miliseconds"); + + VIS_Series(0); + VIS_SeriesName("Update without sleep"); + VIS_Point((double)Mu->frame, (double)Mu->time.update); + + VIS_Series(1); + VIS_SeriesName("Update with sleep"); + VIS_Point((double)Mu->frame, (double)Mu->time.update_total); + + VIS_Series(2); + VIS_SeriesName("Delta time"); + VIS_Point((double)Mu->frame, (double)Mu->time.deltaf); + + VIS_Plot(1); + VIS_PlotKind(VIS_PlotKind_Bar); + VIS_NamedValue("Allocated", (double)PLOT_Arena.len); + VIS_NamedValue("Reserved", (double)PLOT_Arena.memory.reserve); + VIS_NamedValue("Commited", (double)PLOT_Arena.memory.commit); + + double random = GetRandomNormal(&PLOT_RandomSeed); + uint64_t hash = HashBytes(&random, sizeof(random)); + + VIS_Plot(2); + VIS_PlotKind(VIS_PlotKind_Histogram); + VIS_Title("XOR Shift random distribution"); + VIS_Value((double)random); + + VIS_Plot(3); + VIS_PlotKind(VIS_PlotKind_Histogram); + VIS_Title("FNV Hash distribution"); + VIS_Value((double)hash); + } + + { + static bool menu_open; + + U_PushLayout({ + U_GrowthRule_Down | U_SizeRule_MatchText | U_AlignRule_Center, + {UI_RectPadding.x, Mu->window->sizef.y - UI_RectPadding.y - 35}, + { 75, 35}, + }); + + if (U_Checkbox(&menu_open, "Menu")) { + U_PushLayoutIndent(0); + + if (U_Button("Close menu")) { + menu_open = false; + } + + U_PopLayout(); + } + + U_PopLayout(); + } + + // Context menu + { + + static bool ui_context_menu_open; + static Vec2 ui_context_menu_pos; + if (Mu->window->mouse.right.press) { + if (ui_context_menu_open == false) ui_context_menu_open = true; + ui_context_menu_pos = Mu->window->mouse.posf; + } + + if (ui_context_menu_open) { + U_PushLayout({ + U_GrowthRule_Down | U_SizeRule_Exact | U_AlignRule_Left | U_AnimationRule_Off, + ui_context_menu_pos, + {400, 35}, + }); + + if (U_ClickedOutsideUI || U_ClickedUnpress) ui_context_menu_open = false; + + if (U_Button("Post notification")) { + U_Notification(4.0f, "Very cool text and stuff!"); + } + + if (U_Button("Reset camera")) { + G_Camera.zoom = {1, 1}; + G_Camera.pos = {0, 0}; + } + + if (U_Button("Generate constant data")) { + generate_3plots_data = !generate_3plots_data; + } + if (U_Button("Generate sine wave")) { + double t = Mu->time.totalf * 8; + double step = 32.0f / 48000.f; + VIS_Plot(0); + VIS_Title("Sine wave time"); + VIS_SeriesName("Sine wave"); + for (int i = 0; i < 48000; i += 1) { + VIS_Point((double)i, sin(t)); + t += step; + } + } + + if (U_Button("Save events to file")) { + S8_String shared_memory = S8_Make((char *)VIS_HeaderPointer, VIS_BUFFER_SIZE); + OS_WriteFile(events_dump_name, shared_memory); + } + + if (U_Button("Load events from file")) { + S8_String events_dump = OS_ReadFile(G_Frame, events_dump_name); + MA_MemoryCopy(VIS_HeaderPointer, events_dump.str, events_dump.len); + } + + U_PopLayout(); + } + } + + float alpha_for_zoom = EaseInCubic(Clamp01(G_Camera.zoom.y * 4.0f)); + + MA_Reset(&PLOT_Arena); + PLOT_First = 0; + PLOT_Last = 0; + + // int MEASURE_ID = 2; + // VIS_BeginMeasure(MEASURE_ID); + // VIS_EndMeasure(MEASURE_ID); + + Vec2F64 PLOT_Pos = {Mu->window->sizef.x / 2, Mu->window->sizef.y / 2}; + for (VIS_Node *P = VIS_GetNode(VIS_HeaderPointer->first_plot); P; P = VIS_GetNode(P->next)) { + PLOT_Plot *it_plot = MA_PushStruct(&PLOT_Arena, PLOT_Plot); + { + it_plot->event = *P; + it_plot->range = {INFINITY, INFINITY, 0, 0}; + it_plot->pos = PLOT_Pos; + PLOT_Pos.y -= 800; + } + + for (VIS_Node *S = VIS_GetNode(P->plot.first_series); S; S = VIS_GetNode(S->next)) { + PLOT_Series *it_series = MA_PushStruct(&PLOT_Arena, PLOT_Series); + { + it_plot->series_count += 1; + it_series->event = *S; + it_series->range = {INFINITY, INFINITY, 0, 0}; + it_series->color = R2_GetColor(&it_series->color_index); + SLL_QUEUE_ADD(it_plot->first, it_plot->last, it_series); + // R2.circle.colors[color_index].a = alpha_for_zoom; + } + + if (P->plot.plot_kind == VIS_PlotKind_Histogram) { + it_series->bins = MA_PushArray(&PLOT_Arena, int, P->plot.histogram_bin_count); + } + + it_series->points = MA_BeginPackedArray(&PLOT_Arena, PLOT_Point); + for (VIS_Node *E = VIS_GetNode(S->series.first_event); E; E = VIS_GetNode(E->next)) { + double x = E->point[0]; + double y = E->point[1]; + it_series->range.min.x = Minimum(it_series->range.min.x, x); + it_series->range.min.y = Minimum(it_series->range.min.y, y); + it_series->range.max.x = Maximum(it_series->range.max.x, x); + it_series->range.max.y = Maximum(it_series->range.max.y, y); + + PLOT_Point *point = MA_PushStruct(&PLOT_Arena, PLOT_Point); + point->pos = {x, y}; + if (E->kind == VIS_Kind_NamedPoint) { + point->name = E->named_value.string; + } + it_series->point_count += 1; + it_plot->point_count += 1; + } + int point_count = MA_EndPackedArray(&PLOT_Arena); + IO_Assert(it_series->point_count == point_count); + + double offset = 0.0001f; + if (it_series->range.min.x == it_series->range.max.x) { + it_series->range.min.x -= offset; + it_series->range.max.x += offset; + } + if (it_series->range.min.y == it_series->range.max.y) { + it_series->range.min.y -= offset; + it_series->range.max.y += offset; + } + + it_plot->range.min.x = Minimum(it_series->range.min.x, it_plot->range.min.x); + it_plot->range.min.y = Minimum(it_series->range.min.y, it_plot->range.min.y); + it_plot->range.max.x = Maximum(it_series->range.max.x, it_plot->range.max.x); + it_plot->range.max.y = Maximum(it_series->range.max.y, it_plot->range.max.y); + } + + Vec4 background_plot_color = COLOR_background_plot; + Vec4 text_color = COLOR_text; + text_color.a = alpha_for_zoom; + + bool should_render = (alpha_for_zoom > 0.1f); + + Rect2F64 range = it_plot->range; + Rect2 rect = Rect2_Center(Vec2F64ToVec2(it_plot->pos), {300, 300}); + { + rect.min *= G_Camera.zoom; + rect.max *= G_Camera.zoom; + rect.min -= G_Camera.pos; + rect.max -= G_Camera.pos; + } + + Rect2 window_rect = {0, 0, Mu->window->sizef.x, Mu->window->sizef.y}; + if (AreColliding(rect, window_rect)) { + + Vec2 plot_size = CalcSize(rect); + S8_String title = VIS_GetString(P->plot.title); + PLOT_DrawBackgroundAndTitle(rect, title); + + Rect2F64 range = it_plot->range; + if (P->plot.plot_kind == VIS_PlotKind_Histogram) { + range = {it_plot->range.min.y, 0, it_plot->range.max.y, (double)it_plot->point_count}; + } + + S8_String xlabel = VIS_GetString(P->plot.xlabel); + S8_String ylabel = VIS_GetString(P->plot.ylabel); + PLOT_DrawMetrics(rect, xlabel, ylabel, range, text_color); + + if (should_render) { + + switch (P->plot.plot_kind) { + + // + // HISTOGRAM + // + case VIS_PlotKind_Histogram: { + + double range_step = 1.0 / (double)P->plot.histogram_bin_count; + double bar_x_size = range_step * plot_size.x; + float series_alpha = 1.0f; + float alpha_step = 1.0f / (float)it_plot->series_count; + + for (PLOT_Series *it = it_plot->first; it; it = it->next) { + if (it->point_count == 0) continue; + VIS_Node *S = &it->event; + Vec4 color = it->color; + color.a = alpha_for_zoom * series_alpha; + series_alpha -= alpha_step; + + for (int64_t point_i = 0; point_i < it->point_count; point_i += 1) { + PLOT_Point *point = it->points + point_i; + double y = point->pos.y; + Rect2F64 r = it->range; + double normy = (y - r.min.y) / (r.max.y - r.min.y); + + double bin_indexf = normy / range_step; + int bin_index = (int)bin_indexf; + + // Special case: Only one value in entire set + if (bin_index == P->plot.histogram_bin_count) { + for (int i = 0; i < P->plot.histogram_bin_count; i += 1) { + it->bins[i] += 1; + } + } + + if (bin_index < 0 || bin_index >= P->plot.histogram_bin_count) continue; + it->bins[bin_index] += 1; + } + + bool already_selected = false; + for (int i = 0; i < P->plot.histogram_bin_count; i += 1) { + Vec4 bar_color = color; + + int bin_it = it->bins[i]; + double height_normalized = (double)bin_it / (double)it->point_count; + double height_in_plot_sizing = height_normalized * plot_size.y; + + double i_normalized = (double)i / (double)P->plot.histogram_bin_count; + double bar_position_in_plot_sizing = i_normalized * plot_size.x; + + Rect2F64 bar_rect_f64 = { + bar_position_in_plot_sizing, + 0, + bar_position_in_plot_sizing + bar_x_size, + height_in_plot_sizing, + }; + Rect2 bar_rect = Rect2F64ToRect2(bar_rect_f64); + bar_rect.min += rect.min; + bar_rect.max += rect.min; + + if (already_selected == false && AreColliding(bar_rect, Mu->window->mouse.posf)) { + bar_color = COLOR_highlighted_data_point; + } + + R2_DrawRect(bar_rect, bar_color); + + if (already_selected == false && AreColliding(bar_rect, Mu->window->mouse.posf)) { + S8_String name = VIS_GetString(it->event.series.name); + + U_Popup(Mu->window->mouse.posf, "%d. %.*s\ndata points in range :: %d(%f%%)", it->event.id, S8_Expand(name), bin_it, height_normalized); + already_selected = true; + } + } + } + + } break; + + // + // Bar graphs + // + case VIS_PlotKind_Bar: { + float range_step = 1.0f / it_plot->series_count; + float xrange_min = 0.0f; + for (PLOT_Series *it_series = it_plot->first; it_series; it_series = it_series->next, xrange_min += range_step) { + Rect2 bar_rect = {xrange_min, 0, xrange_min + range_step, 0}; + + // Sort points, smaller first + for (int64_t point_i = 0; point_i < it_series->point_count - 1; point_i += 1) { + for (int64_t point_j = 0; point_j < it_series->point_count - 1; point_j += 1) { + PLOT_Point *it_point = it_series->points + point_j; + PLOT_Point *next_point = it_series->points + point_j + 1; + if (it_point->pos.y > next_point->pos.y) { + Swap(*it_point, *next_point); + } + } + } + + float point_alpha = 1.0f; + float alpha_step = 1.0f / (float)it_series->point_count; + + double y_cursor = 0; + for (int64_t point_i = 0; point_i < it_series->point_count; point_i += 1) { + Vec4 color = it_series->color; + color.a = alpha_for_zoom * point_alpha; + point_alpha -= alpha_step; + + PLOT_Point *it_point = it_series->points + point_i; + + Rect2 point_rect = bar_rect; + double height = (it_point->pos.y - it_plot->range.min.y) / (it_plot->range.max.y - it_plot->range.min.y); + { + if (height == 0) height += 0.0001f; + point_rect.min.y = (float)y_cursor; + point_rect.max.y = (float)height; + y_cursor = height; + + point_rect.min = point_rect.min * plot_size; + point_rect.max = point_rect.max * plot_size; + point_rect.min = point_rect.min + rect.min; + point_rect.max = point_rect.max + rect.min; + } + + if (AreColliding(point_rect, Mu->window->mouse.posf)) { + S8_String series_name = VIS_GetString(it_series->event.series.name); + S8_String value_name = VIS_GetString(it_point->name); + U_Popup(Mu->window->mouse.posf, "%d%.*s :: %.*s %f(%f%%)", it_series->event.id, S8_Expand(series_name), S8_Expand(value_name), it_point->pos.y, height); + color += 0.5f; + } + + R2_DrawRect(point_rect, color); + } + } + } break; + + // + // SCATTER + // + case VIS_PlotKind_Line: + case VIS_PlotKind_Scatter: { + + float circle_size = 2.0f * G_Camera.zoom.y; + R2.circle.radius = 2.0f * G_Camera.zoom.y; + float line_thickness = 0.2f * G_Camera.zoom.y; + Vec4 highlighted_data_point_color = COLOR_highlighted_data_point; + + for (PLOT_Series *it_series = it_plot->first; it_series; it_series = it_series->next) { + VIS_Node *S = &it_series->event; + for (int64_t point_i = 0; point_i < it_series->point_count; point_i += 1) { + PLOT_Point *pit = it_series->points + point_i; + Vec2 norm_pos = Vec2F64ToVec2((pit->pos - it_plot->range.min) / (it_plot->range.max - it_plot->range.min)); + Vec2 point_scaled_to_plot_size = norm_pos * plot_size; // <0, plot_size> + Vec2 point_moved_to_plot_pos = point_scaled_to_plot_size + rect.min; // Move to rect poit_seriesion + + R2_DrawCircleFast(point_moved_to_plot_pos, it_series->color_index); + + pit->color = it_series->color; + pit->render_pos = point_moved_to_plot_pos; + if (AreColliding(point_moved_to_plot_pos, circle_size, Mu->window->mouse.posf)) { + pit->was_selected = true; + pit->color = highlighted_data_point_color; + S8_String xlabel = VIS_GetString(P->plot.xlabel); + S8_String ylabel = VIS_GetString(P->plot.ylabel); + S8_String name = VIS_GetString(S->series.name); + U_Popup(Mu->window->mouse.posf, "%d.%.*s\n%.*s :: %f\n%.*s :: %f", (int)S->id, S8_Expand(name), S8_Expand(xlabel), pit->pos.x, S8_Expand(ylabel), pit->pos.y); + + R2.vertex_list = &R2.ui_vertex_list; + R2_DrawCircle(point_moved_to_plot_pos, R2.circle.radius, pit->color); + R2.vertex_list = &R2.base_vertex_list; + } + } + } + if (P->plot.plot_kind == VIS_PlotKind_Line) { + for (PLOT_Series *it_series = it_plot->first; it_series; it_series = it_series->next) { + for (int64_t plot_i = 0; plot_i < it_series->point_count; plot_i += 1) { + PLOT_Point *pit = it_series->points + plot_i; + if (plot_i < it_series->point_count - 1) { + PLOT_Point *next_pit = it_series->points + plot_i + 1; + Vec4 line_color = pit->color; + if (next_pit->was_selected) line_color = next_pit->color; + R2_DrawLine(pit->render_pos, next_pit->render_pos, line_thickness, line_color); + } + } + } + } + } break; + IO_InvalidDefaultCase(); + } + } + } + } + + if (!PLOT_Initialized) PLOT_Initialized = !PLOT_Initialized; +} diff --git a/src/visualize/vis_types.h b/src/visualize/vis_types.h new file mode 100755 index 0000000..bd4f362 --- /dev/null +++ b/src/visualize/vis_types.h @@ -0,0 +1,72 @@ + +typedef struct Camera Camera; +struct Camera { + Vec2 zoom; + Vec2 pos; + Vec2 target_pos; + Vec2 wheel; +}; + +typedef int VIS_Prototypes; +enum { + VIS_Prototypes_Plot, + VIS_Prototypes_TextEditor, + VIS_Prototypes_DataHandling, + VIS_Prototypes_Audio, + VIS_Prototypes_Count, +}; + +struct MAP_Entry { + MAP_Entry *next; + void *pointer; + uint64_t hash; + uint64_t key; +}; + +struct MAP_Map { + MAP_Entry *entries; + int entry_count; + int occupied_entry_count; +}; + +MAP_Entry *MAP_GetOrInsert(MA_Arena *arena, MAP_Map *map, uint64_t key) { + if (map->entries == 0) { + map->entry_count = 4096; + map->entries = MA_PushArray(arena, MAP_Entry, map->entry_count); + } + + uint64_t hash = HashBytes(&key, sizeof(key)); + if (hash == 0) hash += 1; + + int index = WRAP_AROUND_POWER_OF_2(hash, map->entry_count); + MAP_Entry *it = map->entries + index; + for (;;) { + if (it->hash == 0) { + it->key = key; + it->hash = hash; + map->occupied_entry_count += 1; + return it; + } + if (it->hash == hash && it->key == key) { + return it; + } + if (it->next == 0) { + if (arena) { + it->next = MA_PushStruct(arena, MAP_Entry); + } + else break; + } + it = it->next; + } + return 0; +} + +S8_String VIS_GetString(uint32_t offset) { + S8_String result = S8_MakeEmpty(); + VIS_String *str = (VIS_String *)VIS_Get(offset); + if (str) { + result.str = str->str; + result.len = str->len; + } + return result; +} diff --git a/src/visualize/vis_ui.cpp b/src/visualize/vis_ui.cpp new file mode 100755 index 0000000..c6eb6be --- /dev/null +++ b/src/visualize/vis_ui.cpp @@ -0,0 +1,392 @@ + +const int U_GrowthRule_Down = 1; +const int U_GrowthRule_Up = 2; +const int U_SizeRule_Exact = 4; +const int U_SizeRule_MatchText = 8; +const int U_AlignRule_Left = 16; +const int U_AlignRule_Center = 32; +const int U_AnimationRule_Off = 64; +const int U_LayoutRule_Absolute = 128; + +struct U_Layout { + int rule_flags; + Vec2 pos; + Vec2 size; + Vec2 pos_iter; + uint64_t di; +}; + +const int U_Action_Button = 1; +const int U_Action_Slider = 2; + +struct U_Action { + int flags; + bool pressed; +}; + +struct U_Widget { + S8_String string; + Vec2 pos; + Vec2 size; + Vec2 string_pos; + U_Action action; + float t; + + float running_t; // @retained + float max_t; // @retained + U_Layout layout; // @absolute + + uint64_t di; + uint64_t hash; + uint64_t last_touched_frame_index; +}; + +enum U_EventKind { + U_EventKind_None, + U_EventKind_Widget, + U_EventKind_PushLayout, + U_EventKind_PopLayout, +}; + +struct U_Event { + U_EventKind kind; + union { + U_Widget *widget; + U_Layout *layout; + }; +}; + +MA_Arena U_Arena; +Array U_FreeLayouts; +Array U_LayoutStack; + +Array U_RetainedWidgets; +Array U_Events; +Array U_WidgetCache; +Array U_FreeWidgets; +Array U_WidgetsToDraw; + +U_Widget *U_Hot; +U_Widget *U_InteractingWith; +uint64_t U_DebugID; + +// One frame delayed utility variables +bool U_InteractionEnded; +bool U_ClickedUnpress; +bool U_ClickedOutsideUI; +bool U_DrawDebug; + +U_Widget U_NullWidget; + +U_Widget *U_CreateWidget(S8_String string, int action_flags) { + // Hash the string up to '::' so that varying numbers are ok + int64_t string_to_hash_len = string.len; + for (int64_t i = 0; i < string.len; i += 1) { + if (string.str[i] == ':' && string.str[i + 1] == ':') { + string_to_hash_len = i; + break; + } + } + uint64_t hash = HashBytes(string.str, string_to_hash_len); + // string = S8_ReplaceAll(G_Frame, string, S8_Lit("##"), S8_Lit(""), 0); + + U_Widget *widget = 0; + bool found_in_cache = false; + For(U_WidgetCache) { + if (it->hash == hash) { + widget = it; + found_in_cache = true; + break; + } + } + + if (widget && widget->last_touched_frame_index == Mu->frame) { + return &U_NullWidget; + } + + if (widget == 0 && U_FreeWidgets.len) widget = U_FreeWidgets.pop(); + if (widget == 0) widget = MA_PushStruct(&U_Arena, U_Widget); + + if (!found_in_cache) { + U_WidgetCache.add(widget); + *widget = {}; + } + + // @string_lifetime: + // I think we dont need to worry about the string lifetime because + // it should get updated on every frame + // + // Will see how this plays out when adding notifications + // maybe that should also be called on every frame etc. + widget->string = string; + widget->hash = hash; + widget->last_touched_frame_index = Mu->frame; + widget->di = ++U_DebugID; + widget->action.flags = action_flags; + + U_Events.add({U_EventKind_Widget, widget}); + return widget; +} + +void U_PushLayout(U_Layout layout) { + layout.di = ++U_DebugID; + + U_Layout *l = 0; + if (U_FreeLayouts.len) { + l = U_FreeLayouts.pop(); + } + else { + l = MA_PushStruct(&U_Arena, U_Layout); + } + *l = layout; + + U_LayoutStack.add(l); + auto e = U_Events.alloc(); + e->kind = U_EventKind_PushLayout; + e->layout = l; +} + +void U_PushLayoutIndent(float indent) { + U_Layout **l = U_LayoutStack.last(); + U_Layout layout = **l; + layout.pos.x += indent; + U_PushLayout(layout); +} + +void U_PopLayout() { + U_Layout *l = U_LayoutStack.pop(); + auto e = U_Events.alloc(); + e->kind = U_EventKind_PopLayout; + e->layout = l; +} + +bool U_Button(char *str, ...) { + S8_FORMAT(G_Frame, str, string_result); + U_Widget *w = U_CreateWidget(string_result, U_Action_Button); + return w->action.pressed; +} + +bool U_Checkbox(bool *result, char *str, ...) { + S8_FORMAT(G_Frame, str, string_result); + U_Widget *w = U_CreateWidget(string_result, U_Action_Button); + if (w->action.pressed) *result = !*result; + return *result; +} + +void U_Popup(Vec2 pos, char *str, ...) { + S8_FORMAT(G_Frame, str, string_result); + U_Widget *w = U_CreateWidget(string_result, 0); + w->layout = {}; + w->layout.pos = pos; + w->layout.rule_flags = U_LayoutRule_Absolute | U_AlignRule_Center | U_GrowthRule_Down | U_SizeRule_MatchText; +} + +void U_Notification(float max_t, char *str, ...) { + S8_FORMAT(G_Frame, str, string_result); + U_Widget *w = U_RetainedWidgets.alloc(); + w->max_t = max_t; + w->string = string_result; + w->string.str = (char *)malloc(string_result.len + 1); + w->di = ++U_DebugID; + MA_MemoryCopy(w->string.str, string_result.str, string_result.len); +} + +Vec2 UI_RectPadding = {32, 8.f}; +float UI_DrawBox(float t, Rect2 animated_popup_rect) { + float bounce_t = EaseOutElastic(Clamp01(t)); + animated_popup_rect = ShrinkByHalfSize(animated_popup_rect, (1 - bounce_t) * CalcSize(animated_popup_rect) / 2); + Rect2 popup_rect = ExpandByHalfSize(animated_popup_rect, UI_RectPadding); + Rect2 outline_popup_rect = ExpandByHalfSize(popup_rect, {1.f, 1.f}); + + R2_DrawRectRounded(popup_rect, COLOR_on_hover_rect, 0.1f); + return bounce_t; +} + +void U_EndFrame() { + R2.font = &R2.font_medium; + R2.vertex_list = &R2.ui_vertex_list; + IO_Assert(U_LayoutStack.len == 0); + + // We move all of the "inline" function logic into the event list + // and then afterwards we only render those things that got updated + // in this frame (which got it's index updated meaning that they dont + // get evicted from cache. + + For(U_Events) { + if (it.kind == U_EventKind_PushLayout) { + U_LayoutStack.add(it.layout); + continue; + } + else if (it.kind == U_EventKind_PopLayout) { + U_LayoutStack.pop(); + continue; + } + else { + IO_Assert(it.kind == U_EventKind_Widget); + } + U_Widget *widget = it.widget; + + U_Layout *layout = 0; + if (U_LayoutStack.len) layout = *U_LayoutStack.last(); + if (widget->layout.rule_flags & U_LayoutRule_Absolute) layout = &widget->layout; + + Vec2 string_size = R2_GetStringSize(widget->string); + + if (layout->rule_flags & U_SizeRule_Exact) { + widget->size = layout->size; + } + else if (layout->rule_flags & U_SizeRule_MatchText) { + widget->size = string_size; + } + else { + IO_InvalidCodepath(); + } + + widget->pos = layout->pos + layout->pos_iter; + if (layout->rule_flags & U_GrowthRule_Up) { + layout->pos_iter.y += widget->size.y; + } + else if (layout->rule_flags & U_GrowthRule_Down) { + layout->pos_iter.y -= widget->size.y; + } + else { + IO_InvalidCodepath(); + } + + if (layout->rule_flags & U_AnimationRule_Off) { + widget->t = 1.0f; + } + + Rect2 string_rect = R2_GetStringRect(widget->pos, widget->string); + widget->string_pos = widget->pos; + // align font (aligned to baseline) to top left of rectangle + widget->string_pos.y = widget->pos.y + (widget->pos.y - string_rect.min.y); + + if (layout->rule_flags & U_AlignRule_Left) { + // widget->string_pos = widget->pos + (widget->size - string_size) / 2; + widget->string_pos.y += (widget->size.y - string_size.y) / 2; + widget->string_pos.x += 32; + } + else if (layout->rule_flags & U_AlignRule_Center) { + widget->string_pos += (widget->size - string_size) / 2; + } + else { + IO_InvalidCodepath(); + } + } + + float retained_y_iter = 0; + ForArrayRemovable(U_RetainedWidgets) { + ForArrayRemovablePrepare(U_RetainedWidgets); + + it.t = Clamp01(it.running_t); + float completion_rate = it.running_t / it.max_t; + if (completion_rate > 1.05) { + free(it.string.str); + ForArrayRemovableDeclare(); + continue; + } + if (completion_rate > 0.8f) { + float eigth = 0.8f * it.max_t; + it.t = it.t - (it.running_t - eigth); + } + + it.running_t += Mu->time.deltaf; + + Vec2 string_size = R2_GetStringSize(it.string); + + it.size = string_size + UI_RectPadding; + it.pos = UI_RectPadding; + it.pos.y += retained_y_iter; + retained_y_iter += string_size.y + UI_RectPadding.y * 2; + + // @copy_paste: from layouting, might need to collapse it in the future + Rect2 string_rect = R2_GetStringRect(it.pos, it.string); + it.string_pos = it.pos; + // align font (aligned to baseline) to top left of rectangle + it.string_pos.y = it.pos.y + (it.pos.y - string_rect.min.y); + // align center + it.string_pos += (it.size - string_size) / 2; + U_WidgetsToDraw.add(&it); + } + + ForArrayRemovable(U_WidgetCache) { + ForArrayRemovablePrepare(U_WidgetCache); + if (it->last_touched_frame_index != Mu->frame) { + ForArrayRemovableDeclare(); + U_FreeWidgets.add(it); + } + else { + U_WidgetsToDraw.add(it); + } + } + + U_InteractionEnded = false; + U_ClickedUnpress = false; + U_ClickedOutsideUI = false; + U_Hot = 0; + For(U_WidgetsToDraw) { + bool activated = false; + Rect2 rect = Rect2_Size(it->pos, it->size); + + if (AreColliding(rect, Mu->window->mouse.posf)) { + U_Hot = it; + } + + if (U_Hot == it) { + if (Mu->window->mouse.left.press) { + U_InteractingWith = it; + } + } + + if (U_InteractingWith) { + if (Mu->window->mouse.left.unpress) { + if (U_Hot == it) { + activated = true; + } + U_InteractionEnded = true; + } + } + + if (it->action.flags & U_Action_Button) { + it->action.pressed = false; + if (activated) it->action.pressed = true; + } + + Vec4 text_color = COLOR_text; + if (it->action.flags & U_Action_Button) { + if (U_Hot == it) text_color = COLOR_highlighted_text; + if (U_InteractingWith == it) text_color = {1, 0, 0, 1}; + if (activated) text_color = {0, 1, 0, 1}; + } + text_color.a = UI_DrawBox(it->t, rect); + R2_DrawString(it->string_pos, it->string, text_color); + it->t += Mu->time.deltaf; + } + + if (Mu->window->mouse.left.unpress) { + U_ClickedUnpress = true; + U_InteractingWith = 0; + } + if (Mu->window->mouse.left.press && U_InteractingWith == 0) { + U_ClickedOutsideUI = true; + } + + if (U_DrawDebug) { + R2_DebugString("FreeWidgets: %d", U_FreeWidgets.len); + R2_DebugString("CachedWidgets: %d", U_WidgetCache.len); + R2_DebugString("Events: %d", U_Events.len); + R2_DebugString("FreeLayouts: %d", U_FreeLayouts.len); + R2_DebugString("RetainedElements: %d", U_RetainedWidgets.len); + } + + For(U_Events) { + if (it.kind == U_EventKind_PushLayout) { + U_FreeLayouts.add(it.layout); + } + } + + U_Events.reset(); + U_WidgetsToDraw.reset(); + R2.vertex_list = &R2.base_vertex_list; +} diff --git a/src/visualize/visualize.h b/src/visualize/visualize.h new file mode 100755 index 0000000..69b23a4 --- /dev/null +++ b/src/visualize/visualize.h @@ -0,0 +1,485 @@ +#ifndef VIS_HEADER +#define VIS_HEADER +#include +#include + +#ifndef VIS_MemoryZero + #include + #define VIS_MemoryZero(p, s) memset(p, 0, s) +#endif + +#ifndef VIS_MemoryCopy + #include + #define VIS_MemoryCopy(dst, src, size) memcpy(dst, src, size) +#endif + +#ifndef VIS_ASSERT + #include + #define VIS_ASSERT assert +#endif + +#define VIS_BUFFER_SIZE (1024 * 1024 * 32) +#define VIS_BUFFER_NAME L"Hello, inter process communication!" +#define VIS_DATA_VERSION 3 +#define VIS_ROLLING_COMMAND_COUNT 8 +#ifdef __cplusplus + #define VIS_FUNCTION extern "C" +#else + #define VIS_FUNCTION +#endif + +typedef struct VIS_Header VIS_Header; +struct VIS_Header { // @on_update: update VIS__Clear! + uint32_t version; + uint32_t written; + uint32_t strings_written; //@debug_info + + uint32_t synchronization_counter_write; + uint32_t synchronization_counter_read; + uint8_t rolling_commands[VIS_ROLLING_COMMAND_COUNT]; + + // @cache + // For caching, we keep track of names of the + // plots. We don't want to send a ton of wasteful string data + uint32_t first_plot; + uint32_t last_plot; + uint32_t current_plot; +}; + +#ifdef __cplusplus +extern "C" VIS_Header *VIS_HeaderPointer; +#else +extern VIS_Header *VIS_HeaderPointer; +#endif + +enum { + VIS_PlotKind_Line, + VIS_PlotKind_Scatter, + VIS_PlotKind_Histogram, + VIS_PlotKind_Bar, +}; + +typedef uint16_t VIS_Kind; +enum { + VIS_Kind_Null, + VIS_Kind_Plot, + VIS_Kind_Series, + VIS_Kind_Point, + VIS_Kind_NamedPoint, + VIS_Kind_Measure, +}; + +typedef struct VIS_String VIS_String; +struct VIS_String { + int32_t len; + char str[]; +}; + +// @cache +// For caching, we keep track of names of the +// plots. We don't want to send a ton of wasteful string data +typedef struct VIS_PlotData VIS_PlotData; +struct VIS_PlotData { + uint32_t plot_kind; + uint32_t xlabel; + uint32_t ylabel; + uint32_t title; + + uint64_t xlabel_hash; + uint64_t ylabel_hash; + uint64_t title_hash; + + int32_t histogram_bin_count; + uint32_t first_series; + uint32_t last_series; + uint32_t current_series; +}; + +typedef struct VIS_SeriesData VIS_SeriesData; +struct VIS_SeriesData { + uint32_t first_event; + uint32_t last_event; + uint32_t name; + uint64_t name_hash; +}; + +#define VIS_BASIC_NODE_SIZE (sizeof(uint64_t)) // @todo: maybe remove kind and id from here +typedef struct VIS_Node VIS_Node; +struct VIS_Node { + uint32_t next; + VIS_Kind kind; + uint16_t id; // @todo: maybe remove kind and id from here + + union { + double point[2]; + VIS_PlotData plot; + VIS_SeriesData series; + struct { + double point[2]; + uint64_t string_hash; + uint32_t string; + } named_value; + }; +}; + +typedef struct VIS_Current VIS_Current; +struct VIS_Current { + VIS_Node *plot; + VIS_Node *series; +}; + +enum { + VIS_COMMAND_NONE, + VIS_COMMAND_CONNECTED, + VIS_COMMAND_CLEAR, +}; + +#define VISH_Cast8(base) ((uint8_t *)(base)) +#define VISH_Get(base, offset) ((offset) == 0 ? 0 : (VISH_Cast8(base) + (offset))) +#define VISH_GetStruct(base, offset, T) ((T *)(VISH_Get(base, offset))) +#define VISH_CalcOffset(base, pointer) ((uint32_t)((uint8_t *)(pointer)-VISH_Cast8(base))) + +#define VIS_Get(offset) VISH_Get(VIS_HeaderPointer, offset) +#define VIS_CalcOffset(pointer) VISH_CalcOffset(VIS_HeaderPointer, pointer) +#define VIS_GetNode(offset) VISH_GetStruct(VIS_HeaderPointer, offset, VIS_Node) + +VIS_FUNCTION void VIS_WriteCommand(uint8_t command); +VIS_FUNCTION uint8_t VIS_ReadCommand(); +VIS_FUNCTION void VIS_IncrementReadCommand(); +VIS_FUNCTION void VIS_Synchronize(); +VIS_FUNCTION void VIS_Connect(); +VIS_FUNCTION void VIS_CreateSharedMemory(); + +static inline int32_t VIS_GetStringLength(char *string) { + int32_t len = 0; + while (*string++ != 0) + len++; + return len; +} + +static inline VIS_Header *VIS_TryConnecting() { + if (!VIS_HeaderPointer) VIS_Connect(); + return VIS_HeaderPointer; +} + +static inline uint64_t VIS_HashBytes(void *data, int32_t size) { + uint8_t *data8 = (uint8_t *)data; + uint64_t hash = (uint64_t)14695981039346656037ULL; + for (int32_t i = 0; i < size; i++) { + hash = hash ^ (uint64_t)(data8[i]); + hash = hash * (uint64_t)1099511628211ULL; + } + if (hash == 0) hash += 1; + return hash; +} + +#define VIS_PushStruct(T) ((T *)VIS_Push(sizeof(T))) +#define VIS_PushArray(T, c) ((T *)VIS_Push((c) * sizeof(T))) +static inline void *VIS_Push(uint32_t size) { + if (VIS_HeaderPointer->written + size <= VIS_BUFFER_SIZE) { + void *result = VIS_Get(VIS_HeaderPointer->written); + VIS_HeaderPointer->written += size; + VIS_MemoryZero(result, size); + return result; + } + return 0; +} + +static inline VIS_Node *VIS_PushBasicNode(VIS_Kind kind) { + VIS_Node *result = (VIS_Node *)VIS_Push(VIS_BASIC_NODE_SIZE); + if (result) result->kind = kind; + return result; +} + +#define VIS_SLL_QUEUE_ADD(first, last, n) \ + do { \ + (n)->next = 0; \ + if ((last) == 0) { \ + (last) = VIS_CalcOffset((n)); \ + (first) = (last); \ + } else { \ + VIS_Node *the_last = VIS_GetNode((last)); \ + uint32_t the_next = VIS_CalcOffset((n)); \ + the_last->next = the_next; \ + (last) = the_next; \ + } \ + } while (0) + +static inline VIS_Current VIS_GetCurrent() { + VIS_Current current; + current.plot = VIS_GetNode(VIS_HeaderPointer->current_plot); + current.series = VIS_GetNode(current.plot->plot.current_series); + return current; +} + +static inline void VIS_AddNode(VIS_Node *event) { + if (event == 0) return; + VIS_Current current = VIS_GetCurrent(); + VIS_SLL_QUEUE_ADD(current.series->series.first_event, current.series->series.last_event, event); +} + +static inline uint32_t VIS_PushString(char *in_string, int32_t in_len) { + int32_t *length = VIS_PushStruct(int32_t); + char *string = VIS_PushArray(char, in_len + 1); + if (length && string) { + length[0] = in_len; + VIS_MemoryCopy(string, in_string, in_len + 1); + VIS_HeaderPointer->strings_written += 1; + } + return VIS_CalcOffset(length); +} + +static inline void VIS_PushPoint(double x, double y) { + double *value = VIS_PushArray(double, 2); + if (value) { + value[0] = x; + value[1] = y; + } +} + +static inline void VIS_Point(double x, double y) { + if (!VIS_TryConnecting()) return; + VIS_Node *event = VIS_PushBasicNode(VIS_Kind_Point); + VIS_PushPoint(x, y); + VIS_AddNode(event); +} + +static inline void VIS_Value(double y) { + VIS_Point(0, y); +} + +static inline void VIS_NamedPoint(char *str, double x, double y) { + if (!VIS_TryConnecting()) return; + VIS_ASSERT(str && "Passed in string is null"); + + int32_t len = VIS_GetStringLength(str); + VIS_Current current = VIS_GetCurrent(); + uint64_t hash = VIS_HashBytes(str, len); + + // Try updating the node + for (VIS_Node *it = VIS_GetNode(current.series->series.first_event); it; it = VIS_GetNode(it->next)) { + if (it->kind == VIS_Kind_NamedPoint && it->named_value.string_hash == hash) { + it->named_value.point[0] = x; + it->named_value.point[1] = y; + return; + } + } + + // Node not found, new node + VIS_Node *event = VIS_PushBasicNode(VIS_Kind_NamedPoint); + VIS_PushPoint(x, y); + + uint64_t *hash_space = VIS_PushStruct(uint64_t); + uint32_t *string_space = VIS_PushStruct(uint32_t); + if (hash_space) *hash_space = hash; + if (string_space) *string_space = VIS_PushString(str, len); + + VIS_AddNode(event); +} + +static inline void VIS_NamedValue(char *str, double y) { + VIS_ASSERT(str && "Passed in string is null"); + VIS_NamedPoint(str, 0, y); +} + +static inline void VIS_Title(char *title) { + if (!VIS_TryConnecting()) return; + VIS_ASSERT(title && "Passed in string is null"); + int32_t len = VIS_GetStringLength(title); + VIS_Node *id = VIS_GetNode(VIS_HeaderPointer->current_plot); + uint64_t hash = VIS_HashBytes(title, len); + if (id->plot.title_hash == 0 || id->plot.title_hash != hash) { + id->plot.title = VIS_PushString(title, len); + id->plot.title_hash = hash; + } +} + +static inline void VIS_YLabel(char *ylabel) { + if (!VIS_TryConnecting()) return; + VIS_ASSERT(ylabel && "Passed in string is null"); + int32_t len = VIS_GetStringLength(ylabel); + VIS_Node *id = VIS_GetNode(VIS_HeaderPointer->current_plot); + uint64_t hash = VIS_HashBytes(ylabel, len); + if (id->plot.ylabel_hash != hash) { + id->plot.ylabel = VIS_PushString(ylabel, len); + id->plot.ylabel_hash = hash; + } +} + +static inline void VIS_XLabel(char *xlabel) { + if (!VIS_TryConnecting()) return; + VIS_ASSERT(xlabel && "Passed in string is null"); + int32_t len = VIS_GetStringLength(xlabel); + VIS_Node *id = VIS_GetNode(VIS_HeaderPointer->current_plot); + uint64_t hash = VIS_HashBytes(xlabel, len); + if (id->plot.xlabel_hash != hash) { + id->plot.xlabel = VIS_PushString(xlabel, len); + id->plot.xlabel_hash = hash; + } +} + +static inline VIS_Node *VIS_AddGetSeries(VIS_Node *plot, uint16_t id) { + for (VIS_Node *it = VIS_GetNode(plot->plot.first_series); it; it = VIS_GetNode(it->next)) { + if (it->id == id) return it; + } + VIS_Node *series = VIS_PushStruct(VIS_Node); + series->id = id; + VIS_SLL_QUEUE_ADD(plot->plot.first_series, plot->plot.last_series, series); + return series; +} + +static inline VIS_Node *VIS_AddGetPlot(uint16_t id) { + for (VIS_Node *it = VIS_GetNode(VIS_HeaderPointer->first_plot); it; it = VIS_GetNode(it->next)) { + if (it->id == id) return it; + } + VIS_Node *it = VIS_PushStruct(VIS_Node); + it->id = id; + it->plot.current_series = VIS_CalcOffset(VIS_AddGetSeries(it, 0)); + it->plot.histogram_bin_count = 10; + + VIS_SLL_QUEUE_ADD(VIS_HeaderPointer->first_plot, VIS_HeaderPointer->last_plot, it); + if (VIS_HeaderPointer->current_plot == 0) VIS_HeaderPointer->current_plot = VIS_CalcOffset(it); + return it; +} + +static inline void VIS_Series(uint16_t id) { + if (!VIS_TryConnecting()) return; + VIS_Node *plot = VIS_GetNode(VIS_HeaderPointer->current_plot); + VIS_Node *series = VIS_AddGetSeries(plot, id); + plot->plot.current_series = VIS_CalcOffset(series); +} + +static inline void VIS_PlotKind(uint16_t kind_id) { + if (!VIS_TryConnecting()) return; + VIS_Node *id = VIS_GetNode(VIS_HeaderPointer->current_plot); + id->plot.plot_kind = kind_id; +} + +static inline void VIS_Plot(uint16_t id) { + if (!VIS_TryConnecting()) return; + VIS_Node *plot = VIS_AddGetPlot(id); + VIS_HeaderPointer->current_plot = VIS_CalcOffset(plot); +} + +static inline void VIS_SeriesName(char *name) { + if (!VIS_TryConnecting()) return; + VIS_ASSERT(name && "Passed in string is null"); + + int32_t len = VIS_GetStringLength(name); + VIS_Current c = VIS_GetCurrent(); + uint64_t hash = VIS_HashBytes(name, len); + + if (c.series->series.name_hash != hash) { + c.series->series.name = VIS_PushString(name, len); + c.series->series.name_hash = hash; + } +} + +static inline void VIS_Clear() { + if (!VIS_TryConnecting()) return; + VIS_WriteCommand(VIS_COMMAND_CLEAR); + VIS_Synchronize(); +} + +static inline void VIS__Clear() { + VIS_HeaderPointer->strings_written = 0; + VIS_HeaderPointer->first_plot = 0; + VIS_HeaderPointer->last_plot = 0; + VIS_HeaderPointer->current_plot = 0; + VIS_HeaderPointer->written = sizeof(VIS_Header); + VIS_HeaderPointer->version = VIS_DATA_VERSION; + VIS_AddGetPlot(0); +} +#endif // VIS_HEADER + +#ifdef VIS_IMPLEMENTATION +#ifndef NOMINMAX + #define NOMINMAX +#endif +#ifndef WIN32_LEAN_AND_MEAN + #define WIN32_LEAN_AND_MEAN +#endif +#include + +VIS_Header *VIS_HeaderPointer; + +VIS_FUNCTION void VIS_WriteCommand(uint8_t command) { + uint32_t i = VIS_HeaderPointer->synchronization_counter_write % VIS_ROLLING_COMMAND_COUNT; + VIS_ASSERT(i >= 0 && i < VIS_ROLLING_COMMAND_COUNT); + VIS_HeaderPointer->rolling_commands[i] = command; + InterlockedIncrement(&VIS_HeaderPointer->synchronization_counter_write); +} + +VIS_FUNCTION uint8_t VIS_ReadCommand() { + if (!VIS_HeaderPointer) return 0; + if (VIS_HeaderPointer->synchronization_counter_write == VIS_HeaderPointer->synchronization_counter_read) return 0; + uint32_t i = VIS_HeaderPointer->synchronization_counter_read % VIS_ROLLING_COMMAND_COUNT; + VIS_ASSERT(i >= 0 && i < VIS_ROLLING_COMMAND_COUNT); + uint8_t result = VIS_HeaderPointer->rolling_commands[i]; + return result; +} + +VIS_FUNCTION void VIS_IncrementReadCommand() { + InterlockedIncrement(&VIS_HeaderPointer->synchronization_counter_read); +} + +VIS_FUNCTION void VIS_Synchronize() { + while (VIS_HeaderPointer->synchronization_counter_write != VIS_HeaderPointer->synchronization_counter_read) { + } +} + +VIS_FUNCTION void VIS_Connect() { + HANDLE handle = OpenFileMappingW( + FILE_MAP_ALL_ACCESS, // read/write access + FALSE, // do not inherit the name + VIS_BUFFER_NAME); + + if (handle == NULL) { + // VIS_ASSERT(!"Failed to open shared memory. Windows error:%d", GetLastError()); + return; + } + + VIS_HeaderPointer = (VIS_Header *)MapViewOfFile(handle, // handle to map object + FILE_MAP_ALL_ACCESS, // read/write permission + 0, + 0, + VIS_BUFFER_SIZE); + + if (VIS_HeaderPointer == NULL) { + // VIS_ASSERT(!"Failed to map shared memory to a buffer"); + CloseHandle(handle); + return; + } + + VIS_WriteCommand(VIS_COMMAND_CONNECTED); + VIS_Synchronize(); +} + +VIS_FUNCTION void VIS_CreateSharedMemory() { + HANDLE VIS_SharedMemoryHandle = CreateFileMappingW( + INVALID_HANDLE_VALUE, // use paging file + NULL, // default security + PAGE_READWRITE, // read/write access + 0, // maximum object size (high-order DWORD) + VIS_BUFFER_SIZE, // maximum object size (low-order DWORD) + VIS_BUFFER_NAME); // name of mapping object + + if (VIS_SharedMemoryHandle == NULL) { + VIS_ASSERT(!"Failed to create shared memory."); + return; + } + + VIS_HeaderPointer = (VIS_Header *)MapViewOfFile(VIS_SharedMemoryHandle, // handle to map object + FILE_MAP_ALL_ACCESS, // read/write permission + 0, 0, VIS_BUFFER_SIZE); + + if (VIS_HeaderPointer == NULL) { + VIS_ASSERT(!"Failed to create named shader memory buffer."); + CloseHandle(VIS_SharedMemoryHandle); + return; + } + + VIS__Clear(); +} + +#endif // VIS_IMPLEMENTATION \ No newline at end of file diff --git a/visualize_plot_zooms.mp4 b/visualize_plot_zooms.mp4 new file mode 100644 index 0000000..32e8cd8 Binary files /dev/null and b/visualize_plot_zooms.mp4 differ