diff --git a/assets.cpp b/assets.cpp index 0d63332..48e8241 100644 --- a/assets.cpp +++ b/assets.cpp @@ -1,4 +1,4 @@ -#include "obj_dump.cpp" +#include "sf_obj_dump.cpp" function void asset_log(Log_Kind kind, String string, char *file, int line){ diff --git a/build.bat b/build.bat index 5295970..ea137bf 100644 --- a/build.bat +++ b/build.bat @@ -1,5 +1,5 @@ @echo off pushd %~dp0 -clang main.cpp -O2 -mfma -mavx2 -Wall -Wno-unused-function -Wno-missing-braces -fno-exceptions -fdiagnostics-absolute-paths -Wno-deprecated-declarations -g -o main.exe -Wl,user32.lib +clang sf_main.cpp -O2 -mfma -mavx2 -Wall -Wno-unused-function -Wno-missing-braces -fno-exceptions -fdiagnostics-absolute-paths -Wno-deprecated-declarations -g -o main.exe -Wl,user32.lib popd \ No newline at end of file diff --git a/main.cpp b/main.cpp deleted file mode 100644 index 27e4d68..0000000 --- a/main.cpp +++ /dev/null @@ -1,927 +0,0 @@ - -#include "obj_dump.cpp" -#include "vec.cpp" -#include "work_queue.cpp" -#define PROFILE_SCOPE(x) -#define MULTITHREADING 1 - -struct Vertex { - Vec3 pos; - Vec2 tex; - Vec3 norm; -}; - -struct Render_Command{ - Bitmap *src; - Vec4 p0, p1, p2; - Vec2 tex0, tex1, tex2; -}; - -struct Render { - Mat4 camera; - Mat4 projection; - Mat4 transform; - - Vec3 camera_pos; - Vec3 camera_direction; - Vec3 camera_forward_velocity; - Vec2 camera_yaw; - Vec3 camera_target; - Bitmap img; - B32 plot_ready; - Bitmap plot; - Bitmap screen320; - F32 *depth320; - - WorkQueue work_queue; - Array_List commands; -}; - -struct Render_Tile_Job_Data{ - Render *r; - Rect2 region; -}; - -enum Scene { - Scene_F22, - Scene_Sponza, - Scene_Count, -}; - -global F32 light_rotation = 0; -global F32 zfar_value = 100000.f; - -function -Vec4 srgb_to_almost_linear(Vec4 a) { - Vec4 result = {a.r*a.r, a.g*a.g, a.b*a.b, a.a}; - return result; // @Note: Linear would be to power of 2.2 -} - -function -Vec4 almost_linear_to_srgb(Vec4 a) { - Vec4 result = { sqrtf(a.r), sqrtf(a.g), sqrtf(a.b), a.a }; - return result; -} - -function -Vec4 premultiplied_alpha(Vec4 dst, Vec4 src) { - Vec4 result; - result.r = src.r + ((1-src.a) * dst.r); - result.g = src.g + ((1-src.a) * dst.g); - result.b = src.b + ((1-src.a) * dst.b); - result.a = src.a + dst.a - src.a*dst.a; - return result; -} - -function -void draw_rect(Bitmap* dst, F32 X, F32 Y, F32 w, F32 h, Vec4 color) { - int max_x = (int)(min(X + w, (F32)dst->x) + 0.5f); - int max_y = (int)(min(Y + h, (F32)dst->y) + 0.5f); - int min_x = (int)(max(0.f, X) + 0.5f); - int min_y = (int)(max(0.f, Y) + 0.5f); - - color.rgb *= color.a; - color = srgb_to_almost_linear(color); - for (int y = min_y; y < max_y; y++) { - for (int x = min_x; x < max_x; x++) { - U32 *dst_pixel = dst->pixels + (x + y * dst->x); - Vec4 dstc = srgb_to_almost_linear(vec4abgr(*dst_pixel)); - dstc = premultiplied_alpha(dstc, color); - U32 color32 = vec4_to_u32abgr(almost_linear_to_srgb(dstc)); - *dst_pixel = color32; - } - } -} - -function void -draw_bitmap(Bitmap *dst, Bitmap *src, Vec2 pos){ - S64 minx = (S64)(pos.x + 0.5); - S64 miny = (S64)(pos.y + 0.5); - S64 maxx = minx + src->x; - S64 maxy = miny + src->y; - S64 offsetx = 0; - S64 offsety = 0; - - if (maxx > dst->x) { - maxx = dst->x; - } - if (maxy > dst->y) { - maxy = dst->y; - } - if (minx < 0) { - offsetx = -minx; - minx = 0; - } - if (miny < 0) { - offsety = -miny; - miny = 0; - } - for (S64 y = miny; y < maxy; y++) { - for (S64 x = minx; x < maxx; x++) { - S64 tx = x - minx + offsetx; - S64 ty = y - miny + offsety; - U32 *dst_pixel = dst->pixels + (x + y * dst->x); - U32 *pixel = src->pixels + (tx + ty * src->x); - Vec4 result_color = srgb_to_almost_linear(vec4abgr(*pixel)); - Vec4 dst_color = srgb_to_almost_linear(vec4abgr(*dst_pixel)); - result_color = premultiplied_alpha(dst_color, result_color); - result_color = almost_linear_to_srgb(result_color); - U32 color32 = vec4_to_u32abgr(result_color); - *dst_pixel = color32; - } - } -} - -function -void draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size) { - S64 minx = (S64)(pos.x + 0.5); - S64 miny = (S64)(pos.y + 0.5); - S64 maxx = minx + (S64)(size.x + 0.5f); - S64 maxy = miny + (S64)(size.y + 0.5f); - S64 offsetx = 0; - S64 offsety = 0; - maxx = clamp_top(maxx, (S64)dst->x); - maxy = clamp_top(maxy, (S64)dst->y); - if (minx < 0) { - offsetx = -minx; - minx = 0; - } - if (miny < 0) { - offsety = -miny; - miny = 0; - } - - F32 distx = (F32)(maxx - minx); - F32 disty = (F32)(maxy - miny); - for (S64 y = miny; y < maxy; y++) { - for (S64 x = minx; x < maxx; x++) { - F32 u = (F32)(x - minx) / distx; - F32 v = (F32)(y - miny) / disty; - S64 tx = (S64)(u * src->x + 0.5f); - S64 ty = (S64)(v * src->y + 0.5f); - U32 *dst_pixel = dst->pixels + (x + y * dst->x); - U32 *pixel = src->pixels + (tx + ty * src->x); - Vec4 result_color = srgb_to_almost_linear(vec4abgr(*pixel)); - Vec4 dst_color = srgb_to_almost_linear(vec4abgr(*dst_pixel)); - result_color = premultiplied_alpha(dst_color, result_color); - result_color = almost_linear_to_srgb(result_color); - U32 color32 = vec4_to_u32abgr(result_color); - *dst_pixel = color32; - } - } -} - -function -Vec4 base_string(Bitmap *dst, Font *font, String word, Vec2 pos, B32 draw) { - Vec2 og_position = pos; - F32 max_x = pos.x; - for (U64 i = 0; i < word.len; i++) { - if (word.str[i] == ' ') { - FontGlyph* g = &font->glyphs['_' - '!']; - pos.x += g->xadvance; - if (pos.x > max_x) max_x = pos.x; - } - else if (word.str[i] == '\n') { - pos.y -= font->line_advance; - pos.x = og_position.x; - } - else if((word.str[i] >= '!' && word.str[i] <= 127)){ - FontGlyph* g = &font->glyphs[word.str[i] - '!']; - if(draw) draw_bitmap(dst, &g->bitmap, pos - g->bitmap.align); - pos.x += g->xadvance; - if (pos.x > max_x) max_x = pos.x; - } - } - Vec4 rect = vec4(og_position.x, pos.y, max_x - og_position.x, og_position.y - pos.y + font->line_advance); - return rect; -} - -function -Vec4 draw_string(Bitmap *dst, Font *font, String word, Vec2 pos) { - return base_string(dst, font, word, pos, true); -} - -function -Vec4 get_string_rect(Font *font, String word, Vec2 pos) { - return base_string(0, font, word, pos, false); -} - -function -F32 edge_function(Vec4 vecp0, Vec4 vecp1, Vec4 p) { - F32 result = (vecp1.y - vecp0.y) * (p.x - vecp0.x) - (vecp1.x - vecp0.x) * (p.y - vecp0.y); - return result; -} - -#define F32x8 __m256 -#define S32x8 __m256i - -S32 render_triangle_test_case_number = 5; -S32 render_triangle_test_case_angle = -1; -U64 filled_pixel_count; -U64 filled_pixel_cycles; -U64 triangle_count; -#include "optimization_log.cpp" - - -function -void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, - Vec4 p0, Vec4 p1, Vec4 p2, - Vec2 tex0, Vec2 tex1, Vec2 tex2, Rect2 rect) { - if(src->pixels == 0) return; - - // U64 fill_pixels_begin = __rdtsc(); - - F32 min_x1 = (F32)(min(p0.x, min(p1.x, p2.x))); - F32 min_y1 = (F32)(min(p0.y, min(p1.y, p2.y))); - F32 max_x1 = (F32)(max(p0.x, max(p1.x, p2.x))); - F32 max_y1 = (F32)(max(p0.y, max(p1.y, p2.y))); - - S64 min_x = (S64)max(rect.min_x, floor(min_x1)); - S64 min_y = (S64)max(rect.min_y, floor(min_y1)); - S64 max_x = (S64)min(rect.max_x, ceil(max_x1)); - S64 max_y = (S64)min(rect.max_y, ceil(max_y1)); - - if (min_y >= max_y) return; - if (min_x >= max_x) return; - - F32 dy10 = (p1.y - p0.y); - F32 dy21 = (p2.y - p1.y); - F32 dy02 = (p0.y - p2.y); - - F32 dx10 = (p1.x - p0.x); - F32 dx21 = (p2.x - p1.x); - F32 dx02 = (p0.x - p2.x); - - F32x8 var255 = _mm256_set1_ps(255); - F32x8 var0 = _mm256_set1_ps(0); - F32x8 var1 = _mm256_set1_ps(1); - F32x8 var_max_x = _mm256_set1_ps(max_x); - F32x8 var07 = _mm256_set_ps(7,6,5,4,3,2,1,0); - F32x8 inv255 = _mm256_div_ps(var1, var255); - - F32x8 var_src_x_minus_one = _mm256_set1_ps(src->x-1); - F32x8 var_src_y_minus_one = _mm256_set1_ps(src->y-1); - S32x8 var_src_y_minus_one_int = _mm256_set1_epi32(src->y-1); - S32x8 var_src_x_int = _mm256_set1_epi32(src->x); - - S32x8 var_0xff000000 = _mm256_set1_epi32(0xff000000); - S32x8 var_0x00ff0000 = _mm256_set1_epi32(0x00ff0000); - S32x8 var_0x0000ff00 = _mm256_set1_epi32(0x0000ff00); - S32x8 var_0x000000ff = _mm256_set1_epi32(0x000000ff); - - F32x8 var_tex0x = _mm256_set1_ps(tex0.x); - F32x8 var_tex1x = _mm256_set1_ps(tex1.x); - F32x8 var_tex2x = _mm256_set1_ps(tex2.x); - F32x8 var_tex0y = _mm256_set1_ps(tex0.y); - F32x8 var_tex1y = _mm256_set1_ps(tex1.y); - F32x8 var_tex2y = _mm256_set1_ps(tex2.y); - - F32x8 inv_p0w = _mm256_div_ps(var1, _mm256_set1_ps(p0.w)); - F32x8 inv_p1w = _mm256_div_ps(var1, _mm256_set1_ps(p1.w)); - F32x8 inv_p2w = _mm256_div_ps(var1, _mm256_set1_ps(p2.w)); - F32x8 one_over_p0w = _mm256_set1_ps(1.f / p0.w); - F32x8 one_over_p1w = _mm256_set1_ps(1.f / p1.w); - F32x8 one_over_p2w = _mm256_set1_ps(1.f / p2.w); - - U32 *destination = dst->pixels + dst->x*min_y; - F32 area = (p1.y - p0.y) * (p2.x - p0.x) - (p1.x - p0.x) * (p2.y - p0.y); - F32x8 inv_area8 = _mm256_div_ps(var1, _mm256_set1_ps(area)); - - F32x8 _dy10 = _mm256_set1_ps(dy10); - F32x8 _dx10 = _mm256_set1_ps(dx10); - F32x8 _dy21 = _mm256_set1_ps(dy21); - F32x8 _dx21 = _mm256_set1_ps(dx21); - F32x8 _dy02 = _mm256_set1_ps(dy02); - F32x8 _dx02 = _mm256_set1_ps(dx02); - F32x8 p0_x = _mm256_set1_ps(p0.x); - F32x8 p0_y = _mm256_set1_ps(p0.y); - F32x8 p1_x = _mm256_set1_ps(p1.x); - F32x8 p1_y = _mm256_set1_ps(p1.y); - F32x8 p2_x = _mm256_set1_ps(p2.x); - F32x8 p2_y = _mm256_set1_ps(p2.y); - - for (S64 y = min_y; y < max_y; y++) { - F32x8 Y = _mm256_set1_ps(y); - for (S64 x8 = min_x; x8 < max_x; x8+=8) { - F32x8 X = _mm256_add_ps(_mm256_set1_ps(x8), var07); - - // Compute the edges - // F32x8 edge0 = (p1.y - p0.y) * (p.x - p0.x) - (p1.x - p0.x) * (p.y - p0.y); - F32x8 px_minus_0x = _mm256_sub_ps(X, p0_x); - F32x8 py_minus_0y = _mm256_sub_ps(Y, p0_y); - F32x8 right0 = _mm256_mul_ps(_dx10, py_minus_0y); - F32x8 edge0 = _mm256_fmsub_ps(_dy10, px_minus_0x, right0); - - // F32 result = (p2.y - p1.y) * (p.x - p1.x) - (p2.x - p1.x) * (p.y - p1.y); - F32x8 px_minus_1x = _mm256_sub_ps(X, p1_x); - F32x8 py_minus_1y = _mm256_sub_ps(Y, p1_y); - F32x8 right1 = _mm256_mul_ps(_dx21, py_minus_1y); - F32x8 edge1 = _mm256_fmsub_ps(_dy21, px_minus_1x, right1); - - // F32 result = (p0.y - p2.y) * (p.x - p2.x) - (p0.x - p2.x) * (p.y - p2.y); - F32x8 px_minus_2x = _mm256_sub_ps(X, p2_x); - F32x8 py_minus_2y = _mm256_sub_ps(Y, p2_y); - F32x8 right2 = _mm256_mul_ps(_dx02, py_minus_2y); - F32x8 edge2 = _mm256_fmsub_ps(_dy02, px_minus_2x, right2); - - F32x8 should_fill; - F32x8 test_if_x_should_be_clipped = _mm256_cmp_ps(X, var_max_x, _CMP_LT_OQ); - F32x8 test_if_pixel_inside_edge_using_dot_result0 = _mm256_cmp_ps(edge0, var0, _CMP_GE_OQ); - F32x8 test_if_pixel_inside_edge_using_dot_result1 = _mm256_cmp_ps(edge1, var0, _CMP_GE_OQ); - F32x8 test_if_pixel_inside_edge_using_dot_result2 = _mm256_cmp_ps(edge2, var0, _CMP_GE_OQ); - F32x8 dot_result_combination0 = _mm256_and_ps(test_if_pixel_inside_edge_using_dot_result0, test_if_pixel_inside_edge_using_dot_result1); - F32x8 dot_result_combination1 = _mm256_and_ps(dot_result_combination0, test_if_pixel_inside_edge_using_dot_result2); - should_fill = _mm256_and_ps(test_if_x_should_be_clipped, dot_result_combination1); - - F32x8 w0 = _mm256_mul_ps(edge1, inv_area8); - F32x8 w1 = _mm256_mul_ps(edge2, inv_area8); - F32x8 w2 = _mm256_mul_ps(edge0, inv_area8); - - // @Todo: Turn this into 1 / interpolated_w, turns out in theory it should be - // more performant but couldn't make it work - - // @Old_Note: We could do: interpolated_w = 1.f / interpolated_w to get proper depth - // but why waste an instruction, the smaller the depth value the farther the object - F32x8 interpolated_w = _mm256_mul_ps(one_over_p0w, w0); - interpolated_w = _mm256_fmadd_ps(one_over_p1w, w1, interpolated_w); - interpolated_w = _mm256_fmadd_ps(one_over_p2w, w2, interpolated_w); - - F32 *depth_pointer = (depth_buffer + (x8 + y * dst->x)); - F32x8 depth = _mm256_loadu_ps(depth_pointer); - - F32x8 should_fill_term = _mm256_cmp_ps(depth, interpolated_w, _CMP_LT_OQ); - should_fill = _mm256_and_ps(should_fill, should_fill_term); - - // If all pixels are not going to get drawn then opt out - F32x8 compare_with_zero = _mm256_cmpeq_epi32(should_fill, var0); - int mask = _mm256_movemask_epi8(compare_with_zero); - if(mask == 0xffffffff) { - continue; - } - - F32x8 invw0 = _mm256_mul_ps(w0, inv_p0w); - F32x8 invw1 = _mm256_mul_ps(w1, inv_p1w); - F32x8 invw2 = _mm256_mul_ps(w2, inv_p2w); - - F32x8 u0 = _mm256_mul_ps(var_tex0x, invw0); - u0 = _mm256_fmadd_ps(var_tex1x, invw1, u0); - u0 = _mm256_fmadd_ps(var_tex2x, invw2, u0); - - F32x8 v0 = _mm256_mul_ps(var_tex0y, invw0); - v0 = _mm256_fmadd_ps(var_tex1y, invw1, v0); - v0 = _mm256_fmadd_ps(var_tex2y, invw2, v0); - - F32x8 u1 = _mm256_div_ps(u0, interpolated_w); - F32x8 v1 = _mm256_div_ps(v0, interpolated_w); - - F32x8 u_floored = _mm256_floor_ps(u1); - F32x8 v_floored = _mm256_floor_ps(v1); - F32x8 u2 = _mm256_sub_ps(u1, u_floored); - F32x8 v2 = _mm256_sub_ps(v1, v_floored); - F32x8 u3 = _mm256_mul_ps(u2, var_src_x_minus_one); - F32x8 v3 = _mm256_mul_ps(v2, var_src_y_minus_one); - - F32x8 ui = _mm256_cvtps_epi32(u3); - F32x8 vi = _mm256_cvtps_epi32(v3); - - // Origin UV (0,0) is in bottom left - _mm256_maskstore_epi32((int *)depth_pointer, should_fill, interpolated_w); - - // - // Fetch and calculate texel values - // - S32x8 indices_to_fetch0 = _mm256_sub_epi32(var_src_y_minus_one_int, vi); - S32x8 indices_to_fetch1 = _mm256_mullo_epi32(var_src_x_int, indices_to_fetch0); - S32x8 indices_to_fetch2 = _mm256_add_epi32(indices_to_fetch1, ui); - S32x8 indices_to_fetch3 = _mm256_and_si256(indices_to_fetch2, should_fill); - - S32x8 pixel = _mm256_set_epi32( - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 7)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 6)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 5)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 4)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 3)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 2)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 1)], - src->pixels[_mm256_extract_epi32(indices_to_fetch3, 0)] - ); - - S32x8 texel_i_a = _mm256_and_si256(pixel, var_0xff000000); - S32x8 texel_i_b = _mm256_and_si256(pixel, var_0x00ff0000); - S32x8 texel_i_g = _mm256_and_si256(pixel, var_0x0000ff00); - S32x8 texel_i_r = _mm256_and_si256(pixel, var_0x000000ff); - - texel_i_a = _mm256_srli_epi32(texel_i_a, 24); - texel_i_b = _mm256_srli_epi32(texel_i_b, 16); - texel_i_g = _mm256_srli_epi32(texel_i_g, 8 ); - - F32x8 texel_a0 = _mm256_cvtepi32_ps(texel_i_a); - F32x8 texel_b0 = _mm256_cvtepi32_ps(texel_i_b); - F32x8 texel_g0 = _mm256_cvtepi32_ps(texel_i_g); - F32x8 texel_r0 = _mm256_cvtepi32_ps(texel_i_r); - - F32x8 texel_b1 = _mm256_mul_ps(texel_b0, inv255); - F32x8 texel_g1 = _mm256_mul_ps(texel_g0, inv255); - F32x8 texel_r1 = _mm256_mul_ps(texel_r0, inv255); - F32x8 texel_a1 = _mm256_mul_ps(texel_a0, inv255); - - texel_r1 = _mm256_mul_ps(texel_r1, texel_r1); - texel_g1 = _mm256_mul_ps(texel_g1, texel_g1); - texel_b1 = _mm256_mul_ps(texel_b1, texel_b1); - - // - // Fetch and calculate dst pixels - // - U32 *dst_memory = destination + x8; - S32x8 dst_pixel = _mm256_maskload_epi32((const int *)dst_memory, should_fill); - - S32x8 dst_i_a0 = _mm256_and_si256(dst_pixel, var_0xff000000); - S32x8 dst_i_b0 = _mm256_and_si256(dst_pixel, var_0x00ff0000); - S32x8 dst_i_g0 = _mm256_and_si256(dst_pixel, var_0x0000ff00); - S32x8 dst_i_r0 = _mm256_and_si256(dst_pixel, var_0x000000ff); - - S32x8 dst_i_a1 = _mm256_srli_epi32(dst_i_a0, 24); - S32x8 dst_i_b1 = _mm256_srli_epi32(dst_i_b0, 16); - S32x8 dst_i_g1 = _mm256_srli_epi32(dst_i_g0, 8); - S32x8 dst_i_r1 = dst_i_r0; - - F32x8 dst_a = _mm256_cvtepi32_ps(dst_i_a1); - F32x8 dst_b = _mm256_cvtepi32_ps(dst_i_b1); - F32x8 dst_g = _mm256_cvtepi32_ps(dst_i_g1); - F32x8 dst_r = _mm256_cvtepi32_ps(dst_i_r1); - - dst_a = _mm256_mul_ps(dst_a, inv255); - dst_b = _mm256_mul_ps(dst_b, inv255); - dst_g = _mm256_mul_ps(dst_g, inv255); - dst_r = _mm256_mul_ps(dst_r, inv255); - - dst_r = _mm256_mul_ps(dst_r, dst_r); - dst_g = _mm256_mul_ps(dst_g, dst_g); - dst_b = _mm256_mul_ps(dst_b, dst_b); - - // Premultiplied alpha - { - F32x8 inv_texel_a = _mm256_sub_ps(var1,texel_a1); - dst_r = _mm256_fmadd_ps(inv_texel_a, dst_r, texel_r1); - dst_g = _mm256_fmadd_ps(inv_texel_a, dst_g, texel_g1); - dst_b = _mm256_fmadd_ps(inv_texel_a, dst_b, texel_b1); - dst_a = _mm256_sub_ps(_mm256_add_ps(texel_a1, dst_a), _mm256_mul_ps(texel_a1,dst_a)); - } - - // Almost linear to srgb - { - dst_r = _mm256_sqrt_ps(dst_r); - dst_g = _mm256_sqrt_ps(dst_g); - dst_b = _mm256_sqrt_ps(dst_b); - } - - // Convert to integer format - dst_r = _mm256_mul_ps(dst_r, var255); - dst_g = _mm256_mul_ps(dst_g, var255); - dst_b = _mm256_mul_ps(dst_b, var255); - dst_a = _mm256_mul_ps(dst_a, var255); - - S32x8 dst_r_int = _mm256_cvtps_epi32(dst_r); - S32x8 dst_g_int = _mm256_cvtps_epi32(dst_g); - S32x8 dst_b_int = _mm256_cvtps_epi32(dst_b); - S32x8 dst_a_int = _mm256_cvtps_epi32(dst_a); - - S32x8 dst_int_a_shifted = _mm256_slli_epi32(dst_a_int, 24); - S32x8 dst_int_b_shifted = _mm256_slli_epi32(dst_b_int, 16); - S32x8 dst_int_g_shifted = _mm256_slli_epi32(dst_g_int, 8); - S32x8 dst_int_r_shifted = dst_r_int; - - S32x8 packed_abgr0 = _mm256_or_si256(dst_int_a_shifted, dst_int_b_shifted); - S32x8 packed_abgr1 = _mm256_or_si256(dst_int_r_shifted, dst_int_g_shifted); - S32x8 packed_abgr2 = _mm256_or_si256(packed_abgr1, packed_abgr0); - - _mm256_maskstore_epi32((int *)dst_memory, should_fill, packed_abgr2); - } - destination += dst->x; - } - - // filled_pixel_cycles += __rdtsc() - fill_pixels_begin; - // filled_pixel_count += (max_x - min_x)*(max_y - min_y); -} - -WORK_QUEUE_CALLBACK(draw_tile){ - auto d = (Render_Tile_Job_Data *)data; - Render *r = d->r; - For_It(r->commands){ - draw_triangle_nearest(&r->screen320, r->depth320, it.item->src, it.item->p0, it.item->p1, it.item->p2, it.item->tex0, it.item->tex1, it.item->tex2, d->region); - } -} - -function -void draw_mesh(Render *r, String scene_name, Obj_Material *materials, Obj_Mesh *mesh, Vec3 *vertices, Vec2 *tex_coords, Vec3 *normals) { - - for (int i = 0; i < mesh->indices.len; i++) { - Obj_Index *index = mesh->indices.data + i; - Bitmap *image = &r->img; - if(index->material_id != -1) { - Obj_Material *material = materials + index->material_id; - // @Todo: No size info from OBJ things, this stuff needs a bit of refactor - // Need to figure out how to accomodate multiple possible formats of input etc. - if(material->texture_ambient.pixels) { - image = &material->texture_ambient; - } - } - - Vertex vert[] = { - { - vertices[index->vertex[0] - 1], - tex_coords[index->tex[0] - 1], - normals[index->normal[0] - 1], - }, - { - vertices[index->vertex[1] - 1], - tex_coords[index->tex[1] - 1], - normals[index->normal[1] - 1], - }, - { - vertices[index->vertex[2] - 1], - tex_coords[index->tex[2] - 1], - normals[index->normal[2] - 1], - }, - }; - - //@Note: Transform - for (int j = 0; j < 3; j++) { - vert[j].pos = r->transform * vert[j].pos; - } - - - Vec3 p0_to_camera = r->camera_pos - vert[0].pos; - Vec3 p0_to_p1 = vert[1].pos - vert[0].pos; - Vec3 p0_to_p2 = vert[2].pos - vert[0].pos; - Vec3 normal = normalize(cross(p0_to_p1, p0_to_p2)); - Vec3 light_direction = mat4_rotation_x(light_rotation) * vec3(0, 0, 1); - - if (dot(normal, p0_to_camera) > 0) { //@Note: Backface culling - /// ## Clipping - /// - /// There are 3 clipping stages, 2 clipping stages in 3D space against zfar and znear and 1 clipping - /// stage in 2D against left, bottom, right, top(2D image bounds). - /// - /// First the triangles get clipped against the zfar plane, - /// if a triangle has even one vertex outside the clipping region, the entire triangle gets cut. - /// So far I didn't have problems with that. It simplifies the computations and splitting triangles - /// on zfar seems like a waste of power. - /// - /// The second clipping stage is znear plane. Triangles get fully and nicely clipped against znear. - /// Every time a triangle gets partially outside the clipping region it gets cut to the znear and - /// either one or two new triangles get derived from the old one. - /// - /// Last clipping stage is performed in the 2D image space. Every triangle has a corresponding AABB - /// box. In this box every pixel gets tested to see if it's in the triangle. In this clipping stage - /// the box is clipped to the image metrics - 0, 0, width, height. - /// - /// - // @Note: Zfar - B32 vertex_is_outside = false; - Vec3 zfar_normal = vec3(0, 0, -1); - Vec3 zfar_pos = vec3(0, 0, zfar_value); - for (S32 j = 0; j < 3; j++) { - // @Note: Camera - vert[j].pos = r->camera * vert[j].pos; - // @Note: Skip triangle if even one vertex gets outside the clipping plane - if ((dot(zfar_normal, vert[j].pos - zfar_pos) < 0)) { - vertex_is_outside = true; - break; - } - } - - if (vertex_is_outside) { - continue; - } - - // @Note: Znear, clip triangles to the near clipping plane - Vec3 znear_normal = vec3(0, 0, 1); - Vec3 znear_pos = vec3(0, 0, 1.f); - - struct _Vertex { - Vec4 pos; - Vec2 tex; - Vec3 norm; - } in[4]; - S32 in_count = 0; - - Vertex *prev = vert + 2; - Vertex *curr = vert; - F32 prev_dot = dot(znear_normal, prev->pos - znear_pos); - F32 curr_dot = 0; - for (int j = 0; j < 3; j++) { - curr_dot = dot(znear_normal, curr->pos - znear_pos); - if (curr_dot * prev_dot < 0) { - F32 t = prev_dot / (prev_dot - curr_dot); - in[in_count].pos = vec4(lerp(prev->pos, curr->pos, t), 1); - in[in_count].tex = lerp(prev->tex, curr->tex, t); - in[in_count].norm = lerp(prev->norm, curr->norm, t); - in_count += 1; - } - - if (curr_dot > 0) { - in[in_count].pos = vec4(vert[j].pos, 1); - in[in_count].tex = vert[j].tex; - in[in_count++].norm = vert[j].norm; - } - - prev = curr++; - prev_dot = curr_dot; - } - - if (in_count == 0) { - continue; - } - - for(S64 j = 0; j < in_count; j++) { - //@Note: Perspective - in[j].pos = r->projection * in[j].pos; - in[j].pos.x = in[j].pos.x / in[j].pos.w; - in[j].pos.y = in[j].pos.y / in[j].pos.w; - // in[j].pos.z = in[j].pos.z / in[j].pos.w; - - //@Note: To pixel space - in[j].pos.x *= r->screen320.x / 2; - in[j].pos.y *= r->screen320.y / 2; - in[j].pos.x += r->screen320.x / 2; - in[j].pos.y += r->screen320.y / 2; - } - - triangle_count++; - if (in_count > 3) triangle_count++; - -#if MULTITHREADING - Render_Command *command = array_alloc(os.perm_arena, &r->commands); - command->src = image; - command->p0 = in[0].pos; - command->p1 = in[1].pos; - command->p2 = in[2].pos; - command->tex0 = in[0].tex; - command->tex1 = in[1].tex; - command->tex2 = in[2].tex; - if(in_count > 3){ - Render_Command *command = array_alloc(os.perm_arena, &r->commands); - command->src = image; - command->p0 = in[0].pos; - command->p1 = in[2].pos; - command->p2 = in[3].pos; - command->tex0 = in[0].tex; - command->tex1 = in[2].tex; - command->tex2 = in[3].tex; - } - -#else - switch(render_triangle_test_case_number){ - case 1: - draw_triangle_nearest_a(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm); - if (in_count > 3) draw_triangle_nearest_a(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm); - break; - case 2: - draw_triangle_nearest_b(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm); - if (in_count > 3) draw_triangle_nearest_b(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm); - break; - case 3: - draw_triangle_nearest_simd_with_overloads(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm); - if (in_count > 3) draw_triangle_nearest_simd_with_overloads(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm); - break; - case 4: - draw_triangle_nearest_simd_without_overloads(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm); - if (in_count > 3) draw_triangle_nearest_simd_without_overloads(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm); - break; - case 5: - draw_triangle_nearest_final(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[1].pos, in[2].pos, in[0].tex, in[1].tex, in[2].tex, in[0].norm, in[1].norm, in[2].norm); - if (in_count > 3) draw_triangle_nearest_final(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm); - break; - } -#endif - } - } -} - -#include "ui.cpp" -global F32 speed = 100.f; -global F32 rotation = 0; -global Obj *f22; -global Obj *sponza; -global Obj *obj; -global Render r = {}; -global Scene scene = Scene_Sponza; - -function -UI_SIGNAL_CALLBACK(scene_callback) { - switch(scene) { - case Scene_F22: { - speed = 1; - r.camera_pos = vec3(0,0,-2); - obj = f22; - } break; - case Scene_Sponza: { - speed = 100; - r.camera_pos = vec3(-1020, 687, -85); r.camera_yaw = vec2(-1.3, -0.44); - obj = sponza; - } break; - case Scene_Count: - invalid_default_case; - } - scene = (Scene)(((int)scene + 1) % Scene_Count); -} - -FILE *global_file; -function void -windows_log(Log_Kind kind, String string, char *file, int line){ - fprintf(global_file, "%s", string.str); - // OutputDebugStringA((const char *)string.str); -} - -function void -next_test_case(B32 first_time){ - render_triangle_test_case_number += 1; - if(first_time || render_triangle_test_case_number == 6){ - render_triangle_test_case_angle += 1; - render_triangle_test_case_number = 1; - try_again: switch(render_triangle_test_case_angle){ - case 0: r.camera_pos = vec3(-1020, 687, -85); r.camera_yaw = vec2(-1.3, -0.44); break; - case 1: r.camera_pos = vec3(-356,89.5,168); r.camera_yaw = vec2(0.2, 0); break; - case 2: render_triangle_test_case_angle = 0; goto try_again; break; - } - } -} - -int -main(int argc, char **argv) { - global_file = fopen("perfclocks.txt", "a"); - thread_ctx.log_proc = windows_log; - - os.window_size.x = 1920; - os.window_size.y = 1080; - os.window_resizable = 1; - assert(os_init()); - Font font = os_load_font(os.perm_arena, 12*os.dpi_scale, "Arial", 0); - // test_array_list(); - - // f22 = load_obj_dump(os.perm_arena, "plane.bin"_s); - // sponza = load_obj_dump(os.perm_arena, "sponza.bin"_s); - Obj sponza_obj = load_obj(&os_process_heap, "assets/sponza/sponza.obj"_s); - sponza = &sponza_obj; - scene_callback(); - next_test_case(true); - - int screen_x = os.window_size.x; - int screen_y = os.window_size.y; - - r.screen320 = {(U32 *)arena_push_size(os.perm_arena, screen_x*screen_y*sizeof(U32)), screen_x, screen_y}; - r.depth320 = (F32 *)arena_push_size(os.perm_arena, sizeof(F32) * screen_x * screen_y); - r.commands.block_size = 1024*1024; - ThreadStartupInfo thread_infos[16] = {}; - init_work_queue(&r.work_queue, buff_cap(thread_infos), thread_infos); - - String frame_data = {}; - String raster_details = {}; - UISetup setup[] = { - UI_SIGNAL("Change scene"_s, scene_callback), - UI_LABEL(&frame_data), - UI_LABEL(&raster_details), - UI_LABEL(&os.text), - }; - UI ui = ui_make(setup, buff_cap(setup)); - B32 ui_mouse_lock = true; - - while (os_game_loop()) { - PROFILE_SCOPE(main_loop); - if (ui_mouse_lock == false) { - r.camera_yaw.x += os.delta_mouse_pos.x * 0.01f; - r.camera_yaw.y -= os.delta_mouse_pos.y * 0.01f; - } - if (os.key[Key_Escape].pressed) os_quit(); - if (os.key[Key_O].down) light_rotation += 0.05f; - if (os.key[Key_P].down) light_rotation -= 0.05f; - if (os.key[Key_F2].pressed) { - ui_mouse_lock = !ui_mouse_lock; - os_show_cursor(!os.cursor_visible); - } - if (os.key[Key_A].down) r.camera_pos.x -= speed * (F32)os.delta_time; - if (os.key[Key_D].down) r.camera_pos.x += speed * (F32)os.delta_time; - if (os.key[Key_W].down) { - r.camera_forward_velocity = r.camera_direction * speed * (F32)os.delta_time; - r.camera_pos = r.camera_pos + r.camera_forward_velocity; - } - if (os.key[Key_S].down) { - r.camera_forward_velocity = r.camera_direction * speed * (F32)os.delta_time; - r.camera_pos = r.camera_pos - r.camera_forward_velocity; - } - if (os.key[Key_R].down) r.camera_pos.y += speed * (F32)os.delta_time; - if (os.key[Key_F].down) r.camera_pos.y -= speed * (F32)os.delta_time; - - // Clear screen and depth buffer - U32* p = r.screen320.pixels; - for (int y = 0; y < r.screen320.y; y++) { - for (int x = 0; x < r.screen320.x; x++) { - *p++ = 0x33333333; - } - } - - F32* dp = r.depth320; - for (int y = 0; y < r.screen320.y; y++) { - for (int x = 0; x < r.screen320.x; x++) { - *dp++ = -F32MAX; - } - } - - Mat4 camera_rotation = mat4_rotation_y(r.camera_yaw.x) * mat4_rotation_x(r.camera_yaw.y); - r.camera_direction = (camera_rotation * vec4(0,0,1,1)).xyz; - Vec3 target = r.camera_pos + r.camera_direction; - r.camera = mat4_look_at(r.camera_pos, target, vec3(0, 1, 0)); - r.projection = mat4_perspective(60.f, (F32)os.screen->x, (F32)os.screen->y, 1.f, zfar_value); - r.transform = mat4_rotation_z(rotation); - r.transform = r.transform * mat4_rotation_y(rotation); - for (int i = 0; i < obj->mesh.len; i++) { - PROFILE_SCOPE(draw_all_meshes); - Vec2* tex_coords = (Vec2*)obj->texture_coordinates.data; - Vec3 *normals = (Vec3 *)obj->normals.data; - Obj_Mesh *mesh = obj->mesh.data; - Vec3* vertices = (Vec3 *)obj->vertices.data; - draw_mesh(&r, obj->name, obj->materials.data, mesh+i, vertices, tex_coords, normals); - } - -#if MULTITHREADING - Render_Tile_Job_Data tile_job_data[32]; - S32 x_tiles = 1; - S32 y_tiles = 16; - F32 block_size_x = r.screen320.x / x_tiles; - F32 block_size_y = r.screen320.y / y_tiles; - S32 i = 0; - for(S32 x = 0; x < x_tiles; x++){ - for(S32 y = 0; y < y_tiles; y++){ - Rect2 bounding_rect; - bounding_rect.min_x = block_size_x * x; - bounding_rect.min_y = block_size_y * y; - bounding_rect.max_x = bounding_rect.min_x + block_size_x; - bounding_rect.max_y = bounding_rect.min_y + block_size_y; - tile_job_data[i].region = bounding_rect; - tile_job_data[i].r = &r; - - push_work(&r.work_queue, (void *)(tile_job_data + i), draw_tile); - i += 1; - } - } - - wait_until_completion(&r.work_queue); - array_free_all_nodes(&r.commands); -#endif - - // @Note: Draw 320screen to OS screen - U32* ptr = os.screen->pixels; - for (int y = 0; y < os.screen->y; y++) { - for (int x = 0; x < os.screen->x; x++) { - F32 u = (F32)x / (F32)os.screen->x; - F32 v = (F32)y / (F32)os.screen->y; - int tx = (int)(u * r.screen320.x ); - int ty = (int)(v * r.screen320.y ); - *ptr++ = r.screen320.pixels[tx + ty * (r.screen320.x)]; - } - } - - ui_end_frame(os.screen, &ui, &font); - frame_data = string_fmt(os.frame_arena, "FPS:%f dt:%f frame:%u camera_pos: %f %f %f camera_yaw: %f %f", - os.fps, os.delta_time*1000, os.frame, r.camera_pos.x, r.camera_pos.y, r.camera_pos.z, r.camera_yaw.x, r.camera_yaw.y); -#if MULTITHREADING - if(os.frame == 1) log_info("Angle;Frame_Time\n"); - log_info("%d;%f\n", render_triangle_test_case_angle, os.delta_time*1000); -#else - if(os.frame == 1) log_info("Angle;Algorithm;Frame_Time;Cycles_Per_Pixel;Cycles_To_Process_Triangles;Pixels_Processed;Triangles\n"); - log_info("%d;%d;%f;%llu;%llu;%llu;%llu\n", render_triangle_test_case_angle, render_triangle_test_case_number, - os.delta_time*1000, filled_pixel_cycles/filled_pixel_count, filled_pixel_cycles, filled_pixel_count, triangle_count); -#endif - - filled_pixel_count = 0; - filled_pixel_cycles = 0; - triangle_count = 0; - - // @Todo I think there is bug with test_case_number, after doing full round it - // skips a phase - if(os.frame % 15 == 0){ - next_test_case(false); - } - - } -} - -///////////////////////////////////////////////////////////////////////////////////// -/// ### Resources that helped me build the rasterizer (Might be helpful to you too): -/// -/// * Algorithm I used for triangle rasterization by Juan Pineda is described in paper called "A Parallel Algorithm for Polygon Rasterization" -/// * Casey Muratori's series on making a game from scratch(including a 2D software rasterizer(episode ~82) and 3d gpu renderer): https://hero.handmade.network/episode/code# -/// * Fabian Giessen's "Optimizing Software Occlusion Culling": https://fgiesen.wordpress.com/2013/02/17/optimizing-sw-occlusion-culling-index/ -/// * Fabian Giessen's optimized software renderer: https://github.com/rygorous/intel_occlusion_cull/tree/blog/SoftwareOcclusionCulling -/// * Fabian Giessen's javascript triangle rasterizer: https://gist.github.com/rygorous/2486101 -/// * Fabian Giessen's C++ triangle rasterizer: https://github.com/rygorous/trirast/blob/master/main.cpp -/// * Joy's Kenneth lectures about computer graphics: https://www.youtube.com/playlist?list=PL_w_qWAQZtAZhtzPI5pkAtcUVgmzdAP8g -/// * Joy's Kenneth article on clipping: https://import.cdn.thinkific.com/167815/JoyKennethClipping-200905-175314.pdf -/// * A bunch of helpful notes and links to resources: https://nlguillemot.wordpress.com/2016/07/10/rasterizer-notes/ -/// * Very nice paid course on making a software rasterizer using a scanline method: https://pikuma.com/courses/learn-3d-computer-graphics-programming -/// * Reference for obj loader: https://github.com/tinyobjloader/tinyobjloader/blob/master/tiny_obj_loader.h -/// -/// ### To read -/// -/// * http://ce-publications.et.tudelft.nl/publications/1362_hardware_algorithms_for_tilebased_realtime_rendering.pdf diff --git a/obj.cpp b/obj.cpp deleted file mode 100644 index f6320c3..0000000 --- a/obj.cpp +++ /dev/null @@ -1,86 +0,0 @@ -/// -/// [?] - Cache bitmaps -/// [ ] - Fix potential portability issues due to compiler struct alignment differences etc. -/// - -struct Obj_Index { - int vertex[3]; - int tex[3]; - int normal[3]; - S32 material_id; - S32 smoothing_group_id; -}; - -struct Obj_Mesh { - char name[64]; - Array indices; -}; - -struct Obj_Material { - char name[64]; - U32 name_len; - Bitmap texture_ambient; // map_Ka - Bitmap texture_diffuse; // map_Kd - Bitmap texture_dissolve; // map_d - Bitmap texture_displacement; // map_Disp - F32 non_transparency; // d - F32 transparency; // Tr - F32 optical_density; // Ni - F32 shininess; // Ns - S32 illumination_model; // illum - Vec3 ambient_color; // Ka - Vec3 diffuse_color; // Kd - Vec3 specular_color; // Ks -}; - -struct Obj { - String name; - Array vertices; - Array texture_coordinates; - Array normals; - Array mesh; - Array materials; -}; - -struct Stream{ - U8 *cursor; - U8 *end; -}; - -#define stream_read_array(s,T,c) (T *)stream_read(s,sizeof(T)*(c)) -#define stream_read_struct(s,T) stream_read_array(s,T,1) -function void * -stream_read(Stream *s, SizeU size){ - U8 *result = s->cursor; - s->cursor += size; - assert(s->end >= s->cursor); - return result; -} - -function Obj * -load_obj_dump(Allocator *allocator, String filename){ - String string = os_read_file(allocator, filename); - - Stream stream = {string.str, string.str + string.len}; - Obj *obj = stream_read_struct(&stream, Obj); - obj->name.str = stream_read_array(&stream, U8, obj->name.len); - obj->texture_coordinates.data = stream_read_array(&stream, Vec2, obj->texture_coordinates.len); - obj->vertices.data = stream_read_array(&stream, Vec3, obj->vertices.len); - obj->normals.data = stream_read_array(&stream, Vec3, obj->normals.len); - obj->mesh.data = stream_read_array(&stream, Obj_Mesh, obj->mesh.len); - obj->materials.data = stream_read_array(&stream, Obj_Material, obj->materials.len); - - For(obj->mesh){ - it.indices.data = stream_read_array(&stream, Obj_Index, it.indices.len); - } - - For(obj->materials){ - it.texture_ambient.pixels = stream_read_array(&stream, U32, it.texture_ambient.x*it.texture_ambient.y); - it.texture_diffuse.pixels = stream_read_array(&stream, U32, it.texture_diffuse.x*it.texture_diffuse.y); - it.texture_dissolve.pixels = stream_read_array(&stream, U32, it.texture_dissolve.x*it.texture_dissolve.y); - it.texture_displacement.pixels = stream_read_array(&stream, U32, it.texture_displacement.x*it.texture_displacement.y); - } - - return obj; -} - diff --git a/obj_dump.cpp b/obj_dump.cpp deleted file mode 100644 index 911116e..0000000 --- a/obj_dump.cpp +++ /dev/null @@ -1,432 +0,0 @@ -#include "os_windows_multimedia.cpp" -#include "obj.cpp" - -#define STBI_ASSERT assert -#define STB_IMAGE_IMPLEMENTATION -#include "dependencies/stb_image.h" - -enum class Obj_Token_Type { - none, word, number, whitespace, end -}; - -struct Obj_Token { - Obj_Token_Type type; - double number; - union { - struct { - char* s; - int len; - }; - String s8; - }; -}; - -function Bitmap -load_image(String path) { - Scratch scratch; - String file = os_read_file(scratch, path); - - int x, y, n; - unsigned char* data = stbi_load_from_memory(file.str, file.len, &x, &y, &n, 4); - Bitmap result = { (U32*)data, x, y }; - if(data) { - U32 *p = result.pixels; - for (int Y = 0; Y < y; Y++) { - for (int X = 0; X < x; X++) { - Vec4 color = vec4abgr(*p); - color.r *= color.a; - color.g *= color.a; - color.b *= color.a; - *p++ = vec4_to_u32abgr(color); - } - } - } - return result; -} - -function Obj_Token next_token_raw(char** data) { - Obj_Token result = {}; - result.s = *data; - *data += 1; - - if (is_alphabetic(*result.s)) { - result.type = Obj_Token_Type::word; - while (!is_whitespace(**data)) { - *data += 1; - } - result.len = (int)(*data - result.s); - } - else if (is_number(*result.s) || *result.s == '-') { - result.type = Obj_Token_Type::number; - while (is_number(**data) || **data == '.' || **data == 'e' || **data == '-') { - *data += 1; - } - result.number = atof(result.s); - result.len = (int)(*data - result.s); - } - else if (*result.s == '#') { - while (**data != '\n') *data += 1; - result = next_token_raw(data); - } - else if (is_whitespace(*result.s)) { - result.type = Obj_Token_Type::whitespace; - while (is_whitespace(**data)) *data += 1; - result.len = (int)(*data - result.s); - } - else if (*result.s == 0) { - result.type = Obj_Token_Type::end; - } - else if (*result.s >= '!') { - result.type = (Obj_Token_Type)*result.s; - } - - return result; -} - -function Obj_Token next_token(char** data) { - Obj_Token result; - do { - result = next_token_raw(data); - } while (result.type == Obj_Token_Type::whitespace); - return result; -} - -function double expect_number(char** data) { - Obj_Token t = next_token(data); - assert(t.type == Obj_Token_Type::number); // @Todo: Error handling, error flag - return t.number; -} - -function void expect_token(char** data, char token) { - Obj_Token t = next_token(data); - assert(t.type == (Obj_Token_Type)token); // @Todo: Error handling, error flag -} - -function B32 match_token(char **data, char token){ - char *save = *data; - Obj_Token t = next_token(&save); - if(t.type == (Obj_Token_Type)token){ - *data = save; - return true; - } - return false; -} - -function void debug_expect_raw(char** data, Obj_Token_Type type) { - char* data_temp = *data; - Obj_Token t = next_token_raw(&data_temp); - assert(t.type == type); -} - -function void -parse_mtl(Obj* obj, String path_obj_folder, String mtl_file) { - Scratch scratch; - char *data = (char *)mtl_file.str; - Obj_Material *m = 0; - - for (;;) { - Obj_Token token = next_token(&data); - if (token.type == Obj_Token_Type::end) break; - else if (token.type == Obj_Token_Type::word) { - if (string_compare(token.s8, "newmtl"_s)) { - token = next_token(&data); - m = obj->materials.push_empty_zero(); - m->name_len = clamp_top(token.len, 64); - memory_copy(m->name, token.s8.str, m->name_len); - } - - else if (string_compare(token.s8, "Ns"_s)) { - m->shininess = expect_number(&data); - } - - else if (string_compare(token.s8, "Ka"_s)) { - m->ambient_color.x = expect_number(&data); - m->ambient_color.y = expect_number(&data); - m->ambient_color.z = expect_number(&data); - } - else if (string_compare(token.s8, "Kd"_s)) { - m->diffuse_color.x = expect_number(&data); - m->diffuse_color.y = expect_number(&data); - m->diffuse_color.z = expect_number(&data); - } - - else if (string_compare(token.s8, "Ks"_s)) { - m->specular_color.x = expect_number(&data); - m->specular_color.y = expect_number(&data); - m->specular_color.z = expect_number(&data); - } - else if (string_compare(token.s8, "Ni"_s)) { - m->optical_density = expect_number(&data); - } - - else if (string_compare(token.s8, "d"_s)) { - m->non_transparency = expect_number(&data); - } - else if (string_compare(token.s8, "illum"_s)) { - m->illumination_model = (S32)expect_number(&data); - } - - else if (string_compare(token.s8, "map_Kd"_s)) { - Obj_Token t = next_token(&data); - String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8); - m->texture_diffuse = load_image(path); - } - - else if (string_compare(token.s8, "map_Ka"_s)) { - Obj_Token t = next_token(&data); - String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8); - m->texture_ambient = load_image(path); - } - - else if (string_compare(token.s8, "map_d"_s)) { - Obj_Token t = next_token(&data); - String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8); - m->texture_dissolve = load_image(path); - } - - else if (string_compare(token.s8, "map_Disp"_s)) { - Obj_Token t = next_token(&data); - String path = string_fmt(scratch, "%Q/%Q\0", path_obj_folder, t.s8); - m->texture_displacement = load_image(path); - } - } - } -} - -function Obj -parse(Allocator *allocator, char* data, String path_obj_folder) { - Set_Allocator(allocator); - Scratch mtl_scratch; - Obj result = {}; - //result.vertices.init(allocator, 160000); - //result.texture_coordinates.init(allocator, 160000); - //result.normals.init(allocator, 160000); - //result.mesh.init(allocator, 64); - //result.materials.init(allocator, 64); - int smoothing = 0; - - Obj_Mesh *mesh = result.mesh.push_empty_zero(); - //mesh->indices.init(allocator); - int material_id = -1; - - S64 debug_i = 0; - for (;;debug_i++){ - Obj_Token token = next_token(&data); - if (token.type == Obj_Token_Type::end) break; - else if (token.type == Obj_Token_Type::word) { - if (string_compare(token.s8, "v"_s)) { - Vec3 *vertex = result.vertices.push_empty_zero(); - vertex->x = (float)expect_number(&data); - vertex->y = (float)expect_number(&data); - vertex->z = (float)expect_number(&data); - debug_expect_raw(&data, Obj_Token_Type::whitespace); - } - - else if (string_compare(token.s8, "vt"_s)) { - Vec2 *tex = result.texture_coordinates.push_empty_zero(); - tex->x = (float)expect_number(&data); - tex->y = (float)expect_number(&data); - debug_expect_raw(&data, Obj_Token_Type::whitespace); - } - - else if (string_compare(token.s8, "vn"_s)) { - Vec3 *norm = result.normals.push_empty_zero(); - norm->x = (float)expect_number(&data); - norm->y = (float)expect_number(&data); - norm->z = (float)expect_number(&data); - debug_expect_raw(&data, Obj_Token_Type::whitespace); - } - - else if (string_compare(token.s8, "mtllib"_s)) { - Obj_Token t = next_token(&data); - String path = string_fmt(mtl_scratch, "%Q/%Q", path_obj_folder, t.s8); - String mtl_file = os_read_file(mtl_scratch, path); - if(mtl_file.str) { - parse_mtl(&result, path_obj_folder, mtl_file); - } - } - - else if (string_compare(token.s8, "usemtl"_s)) { - Obj_Token t = next_token(&data); - assert(t.type == Obj_Token_Type::word); - for(U64 i = 0; i < result.materials.len; i++) { - Obj_Material *m = result.materials.data + i; - if(string_compare({(U8 *)m->name, m->name_len}, t.s8)) { - material_id = i; - break; - } - } - } - - else if (string_compare(token.s8, "o"_s)) { - Obj_Token t = next_token(&data); - assert(t.type == Obj_Token_Type::word); - if (mesh->indices.len != 0) { - mesh = result.mesh.push_empty_zero(); - } - else { - U64 len = clamp_top(t.len, 64); - memory_copy(mesh->name, t.s, len); - } - } - - else if (string_compare(token.s8, "s"_s)) { - Obj_Token t = next_token(&data); - if (t.type == Obj_Token_Type::number) { - smoothing = (int)t.number; - } - else { - assert(t.type == Obj_Token_Type::word); - if (string_compare(t.s8, "on"_s)) { - smoothing = 1; - } - else if (string_compare(t.s8, "off"_s)) { - smoothing = 0; - } - else invalid_codepath; - } - - } - - else if (string_compare(token.s8, "g"_s)) { - Obj_Token t = next_token(&data); - assert(t.type == Obj_Token_Type::word); - } - - else if (string_compare(token.s8, "f"_s)) { - Obj_Index *i = mesh->indices.push_empty_zero(); - i->smoothing_group_id = smoothing; - i->material_id = material_id; - i->vertex[0] = (int)expect_number(&data); - expect_token(&data, '/'); - i->tex[0] = (int)expect_number(&data); - if(match_token(&data, '/')) i->normal[0] = (int)expect_number(&data); - - - i->vertex[1] = (int)expect_number(&data); - expect_token(&data, '/'); - i->tex[1] = (int)expect_number(&data); - if(match_token(&data, '/')) i->normal[1] = (int)expect_number(&data); - - i->vertex[2] = (int)expect_number(&data); - expect_token(&data, '/'); - i->tex[2] = (int)expect_number(&data); - if(match_token(&data, '/')) i->normal[2] = (int)expect_number(&data); - //debug_expect_raw(&data, Obj_Token_Type::whitespace); - } - } - } - return result; -} - -function Obj -load_obj(Allocator *arena, String file) { - Scratch scratch; - String data = os_read_file(scratch, file); - assert(data.str); - - String path = string_chop_last_slash(file); - Obj result = parse(arena, (char *)data.str, path); - result.name = file; - return result; -} - -template void -dump_array(String_Builder *sb, Array *arr){ - sb->append_data(arr, sizeof(*arr)); - sb->append_data(arr->data, sizeof(T)*arr->len); -} - -function void -dump_bitmap_image(String_Builder *sb, Bitmap *bm){ - sb->append_data(bm->pixels, sizeof(U32)*bm->x*bm->y); -} - - -function B32 -_os_write_file(String file, String data, B32 append = false) { - B32 result = false; - DWORD access = GENERIC_WRITE; - DWORD creation_disposition = CREATE_ALWAYS; - if (append) { - access = FILE_APPEND_DATA; - creation_disposition = OPEN_ALWAYS; - } - - // @Todo(Krzosa): Unicode - HANDLE handle = CreateFileA((const char *)file.str, access, 0, NULL, creation_disposition, FILE_ATTRIBUTE_NORMAL, NULL); - if (handle != INVALID_HANDLE_VALUE) { - DWORD bytes_written = 0; - // @Todo: can only read 32 byte size files? - assert_msg(data.len == (U32)data.len, "Max data size os_write can handle is 32 bytes, data to write is larger then 32 bytes!"); - B32 error = WriteFile(handle, data.str, (U32)data.len, &bytes_written, NULL); - if (error == false) log_error("Failed to write to file: %Q", file); - else { - if (bytes_written != data.len) log_error("Failed to write to file: %Q, mismatch between length requested to write and length written", file); - else result = true; - } - CloseHandle(handle); - } - else { - log_error("File not found when trying to write: %Q", file); - } - - return result; -} - -function B32 -os_write_file2(String file, String data) { - return _os_write_file(file, data, false); -} -function B32 -os_append_file(String file, String data) { - return _os_write_file(file, data, true); -} - -function void -dump_obj_to_file(Obj *obj, String out_name){ - obj->vertices.allocator = 0; - obj->vertices.cap = obj->vertices.len; - - obj->texture_coordinates.allocator = 0; - obj->texture_coordinates.cap = obj->texture_coordinates.len; - - obj->normals.allocator = 0; - obj->normals.cap = obj->normals.len; - - obj->mesh.allocator = 0; - obj->mesh.cap = obj->mesh.len; - - obj->materials.allocator = 0; - obj->materials.cap = obj->materials.len; - - For(obj->mesh){ - it.indices.allocator = 0; - it.indices.cap = it.indices.len; - } - - Scratch arena; - String_Builder sb = string_builder_make(arena, mib(4)); - sb.append_data(obj, sizeof(Obj)); - sb.append_data(obj->name.str, obj->name.len); - sb.append_data(obj->texture_coordinates.data, obj->texture_coordinates.len*sizeof(Vec2)); - sb.append_data(obj->vertices.data, obj->vertices.len*sizeof(Vec3)); - sb.append_data(obj->normals.data, obj->normals.len*sizeof(Vec3)); - sb.append_data(obj->mesh.data, obj->mesh.len*sizeof(Obj_Mesh)); - sb.append_data(obj->materials.data, obj->materials.len*sizeof(Obj_Material)); - - For(obj->mesh){ - sb.append_data(it.indices.data, sizeof(Obj_Index)*it.indices.len); - } - - For(obj->materials){ - sb.append_data(&it, sizeof(Obj_Material)); - dump_bitmap_image(&sb, &it.texture_ambient); - dump_bitmap_image(&sb, &it.texture_diffuse); - dump_bitmap_image(&sb, &it.texture_dissolve); - dump_bitmap_image(&sb, &it.texture_displacement); - } - - String result = string_flatten(arena, &sb); - os_write_file2(out_name, result); -} diff --git a/os_windows_multimedia.cpp b/os_windows_multimedia.cpp index 670a0bd..4420486 100644 --- a/os_windows_multimedia.cpp +++ b/os_windows_multimedia.cpp @@ -525,8 +525,7 @@ api void os_set_window_size(S32 x, S32 y) { Vec2I border = get_border_size(w32(os).window); int actual_width = (int)(x + border.x); int actual_height = (int)(y + border.y); - bool result = - SetWindowPos(w32(os).window, 0, 0, 0, actual_width, actual_height, SWP_NOMOVE | SWP_NOOWNERZORDER); + bool result = SetWindowPos(w32(os).window, 0, 0, 0, actual_width, actual_height, SWP_NOMOVE | SWP_NOOWNERZORDER); assert_msg(result, "SetWindowPos returned invalid value"); os.window_size = get_window_size(w32(os).window); } diff --git a/ui.cpp b/ui.cpp deleted file mode 100644 index 7691750..0000000 --- a/ui.cpp +++ /dev/null @@ -1,242 +0,0 @@ -enum UIWidgetKind { - UIWidgetKind_None, - UIWidgetKind_Boolean, - UIWidgetKind_Image, - UIWidgetKind_Label, - UIWidgetKind_Option, - UIWidgetKind_Signal, - UIWidgetKind_Group, -}; - -#define UI_SIGNAL_CALLBACK(name) void name() -typedef UI_SIGNAL_CALLBACK(UISignalCallback); -struct UISetup { - UIWidgetKind kind; - String text; - union { - void *v; - Bitmap *image; - B32 *b32; - String *label; - S32 *option; - UISignalCallback *signal_callback; - }; - S32 option_max; -}; -#define UI_BOOL(text, x) {UIWidgetKind_Boolean,text,(void*)(x)} -#define UI_IMAGE(x) {UIWidgetKind_Image,{},(void*)(x)} -#define UI_LABEL(x) {UIWidgetKind_Label,{},(void*)(x)} -#define UI_OPTION(text,x,option_max){UIWidgetKind_Option,text,(void*)(x),(option_max)} -#define UI_SIGNAL(text,x){UIWidgetKind_Signal,text,(void*)(x)} - -struct UIWidget { - UIWidgetKind kind; - UIWidget *next; - UIWidget *prev; - UIWidget *first_child; - UIWidget *last_child; - - String text; - Vec2 size; - S32 option_max; - union { - Bitmap *image; - B32 *b32; - String *label; - S32 *option; - UISignalCallback *signal_callback; - } ptr; -}; - -struct UI : UIWidget { - Arena arena; - - UIWidget *hot; - UIWidget *active; -}; - -function UIWidget *ui_new_widget(Allocator *arena, UIWidgetKind kind) { - UIWidget *result = exp_alloc_type(arena, UIWidget, AF_ZeroMemory); - result->kind = kind; - return result; -} - -function void ui_push_child(UIWidget *widget, UIWidget *child) { - DLLQueueAdd(widget->first_child, widget->last_child, child); -} - -function UIWidget *ui_push_child(Arena *arena, UIWidget *widget, UIWidgetKind kind) { - UIWidget *result = ui_new_widget(arena, kind); - ui_push_child(widget, result); - return result; -} - -function UIWidget *ui_push_image(Arena *arena, UIWidget *widget, Bitmap *img) { - UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Image); - result->ptr.image = img; - - F32 ratio = (F32)result->ptr.image->x / (F32)result->ptr.image->y; - result->size.y = 64; - result->size.x = 64 * ratio; - return result; -} - -function UIWidget *ui_push_bool(Arena *arena, UIWidget *widget, String string, B32 *b32) { - UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Boolean); - result->text = string; - result->ptr.b32 = b32; - return result; -} - -function UIWidget *ui_push_string(Arena *arena, UIWidget *widget, String *string) { - UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Label); - result->ptr.label = string; - return result; -} - -function UIWidget *ui_push_option(Arena *arena, UIWidget *widget, String string, S32 *option, S32 option_max) { - UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Option); - result->text = string; - result->ptr.option = option; - result->option_max = option_max; - return result; -} - -function UIWidget *ui_push_signal(Arena *arena, UIWidget *widget, String string, UISignalCallback *callback) { - UIWidget *result = ui_push_child(arena, widget, UIWidgetKind_Signal); - result->text = string; - result->ptr.signal_callback = callback; - return result; -} - -function UI ui_make(UISetup *setup, U64 len) { - UI result = {}; - arena_init(&result.arena, "UI_Arena"_s); - UIWidget *parent = &result; - for (UISetup *s = setup; s != (setup+len); s++) { - switch (s->kind) { - case UIWidgetKind_Image: { - ui_push_image(&result.arena, parent, s->image); - } break; - case UIWidgetKind_Boolean: { - ui_push_bool(&result.arena, parent, s->text, s->b32); - } break; - case UIWidgetKind_Label: { - ui_push_string(&result.arena, parent, s->label); - } break; - case UIWidgetKind_Option: { - ui_push_option(&result.arena, parent, s->text, s->option, s->option_max); - } break; - case UIWidgetKind_Signal: { - ui_push_signal(&result.arena, parent, s->text, s->signal_callback); - } break; - invalid_default_case; - } - } - return result; -} - -function B32 ui_mouse_test(UI *ui, UIWidget *w, Vec4 rect) { - B32 result = false; - if (os.mouse_pos.x > rect.x && os.mouse_pos.x < rect.x + rect.width && - os.mouse_pos.y > rect.y && os.mouse_pos.y < rect.y + rect.height) { - ui->hot = w; - if (os.key[Key_MouseLeft].down) { - ui->active = w; - } - } - else if (w == ui->hot) { - ui->hot = 0; - } - - if (os.key[Key_MouseLeft].released) { - if (ui->active == w) { - if (ui->hot == w) - result = true; - ui->active = 0; - } - } - - return result; -} - -function void ui_end_frame(Bitmap *dst, UI *ui, Font *font) { - Scratch scratch; - Vec2 pos = vec2(0, (F32)dst->y); - for (UIWidget *w = ui->first_child; w; w = w->next) { - Vec4 rect = {}; - switch (w->kind) { - case UIWidgetKind_Image: { - pos.y -= w->size.y; - rect = vec4(pos, w->size); - ui_mouse_test(ui, w, rect); - String string = string_fmt(scratch, "%d %d", w->ptr.image->x, w->ptr.image->y); - draw_string(dst, font, string, pos); - draw_bitmap(dst, w->ptr.image, pos, w->size); - if (ui->active == w) { - F32 ratio = (F32)w->ptr.image->y / (F32)w->ptr.image->x; - w->size.x -= os.delta_mouse_pos.x; - w->size.y = w->size.x * ratio; - } - if (ui->hot == w) { - draw_rect(dst, rect.x, rect.y, rect.width, rect.height, vec4(1, 1, 1, 0.1f)); - } - } break; - case UIWidgetKind_Boolean: { - pos.y -= font->height; - Vec4 color = vec4(0, 0, 0, 1); - String string = string_fmt(scratch, "%s %d", w->text, *w->ptr.b32); - rect = get_string_rect(font, string, pos); - B32 clicked = ui_mouse_test(ui, w, rect); - if (clicked) *w->ptr.b32 = !*w->ptr.b32; - if (ui->hot == w) { - color = vec4(0.4f, 0.4f, 0.4f, 1.f); - } - rect.y = rect.y-font->line_advance / 5; - draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color); - rect = draw_string(dst, font, string, pos); - pos.y -= rect.height - font->height; - } break; - case UIWidgetKind_Label: { - pos.y -= font->height; - rect = draw_string(dst, font, *w->ptr.label, pos); - pos.y -= rect.height - font->height; - } break; - case UIWidgetKind_Option: { - pos.y -= font->height; - Vec4 color = vec4(0, 0, 0, 1); - String string = string_fmt(scratch, "%Q %Q", w->text, *w->ptr.option); - rect = get_string_rect(font, string, pos); - B32 clicked = ui_mouse_test(ui, w, rect); - if (clicked) { - *w->ptr.b32 = (*w->ptr.b32+1) % w->option_max; - } - if (ui->hot == w) { - color = vec4(0.4f, 0.4f, 0.4f, 1.f); - } - rect.y = rect.y-font->line_advance / 5; - draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color); - rect = draw_string(dst, font, string, pos); - pos.y -= rect.height - font->height; - } break; - case UIWidgetKind_Signal: { - pos.y -= font->height; - Vec4 color = vec4(0, 0, 0, 1); - String string = string_fmt(scratch, "%Q", w->text); - rect = get_string_rect(font, string, pos); - B32 clicked = ui_mouse_test(ui, w, rect); - if (clicked) { - w->ptr.signal_callback(); - } - if (ui->hot == w) { - color = vec4(0.4f, 0.4f, 0.4f, 1.f); - } - rect.y = rect.y-font->line_advance / 5; - draw_rect(dst, rect.x, rect.y, rect.width, rect.height, color); - rect = draw_string(dst, font, string, pos); - pos.y -= rect.height - font->height; - } break; - invalid_default_case; - } - } -} \ No newline at end of file diff --git a/vec.cpp b/vec.cpp deleted file mode 100644 index cdceb69..0000000 --- a/vec.cpp +++ /dev/null @@ -1,54 +0,0 @@ -#include - -union Vec8{ - __m256 simd; - F32 e[8]; - Vec4 v4[2]; - force_inline F32 &operator[](S64 i){ return e[i]; } -}; - -force_inline Vec8 floor8(Vec8 v){ return {_mm256_floor_ps(v.simd)}; } -force_inline Vec8 loadu8(void *m){ return {_mm256_loadu_ps((const float *)m)}; } -force_inline Vec8 vec8(F32 x){return {_mm256_set1_ps(x)}; } -force_inline Vec8 vec8(F32 a, F32 b, F32 c, F32 d, F32 e, F32 f, F32 g, F32 h){ return {_mm256_set_ps(h, g, f, e, d, c, b, a)}; } -force_inline Vec8 operator+(Vec8 a, Vec8 b){ return {_mm256_add_ps(a.simd, b.simd)}; } -force_inline Vec8 operator-(Vec8 a, Vec8 b){ return {_mm256_sub_ps(a.simd, b.simd)}; } -force_inline Vec8 operator*(Vec8 a, Vec8 b){ return {_mm256_mul_ps(a.simd, b.simd)}; } -force_inline Vec8 operator/(Vec8 a, Vec8 b){ return {_mm256_div_ps(a.simd, b.simd)}; } - -force_inline Vec8 operator>=(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_GE_OQ)}; } -force_inline Vec8 operator<=(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_LE_OQ)}; } -force_inline Vec8 operator<(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_LT_OQ)}; } -force_inline Vec8 operator>(Vec8 a, Vec8 b){ return {_mm256_cmp_ps(a.simd, b.simd, _CMP_GT_OQ)}; } -force_inline Vec8 operator&(Vec8 a, Vec8 b){ return {_mm256_and_ps(a.simd, b.simd)}; } - -force_inline Vec8 operator+=(Vec8 &a, Vec8 b){ a = a + b; return a; } -force_inline Vec8 operator-=(Vec8 &a, Vec8 b){ a = a - b; return a; } -force_inline Vec8 operator*=(Vec8 &a, Vec8 b){ a = a * b; return a; } -force_inline Vec8 operator/=(Vec8 &a, Vec8 b){ a = a / b; return a; } - -union Vec8I{ - __m256i simd; - S32 e[8]; - Vec4I v4[2]; - force_inline S32 &operator[](S64 i){ return e[i]; } -}; - -force_inline Vec8I vec8i(S32 x){return {_mm256_set1_epi32(x)}; } -force_inline Vec8I vec8i(S32 a, S32 b, S32 c, S32 d, S32 e, S32 f, S32 g, S32 h){ return {_mm256_set_epi32(h, g, f, e, d, c, b, a)}; } -force_inline Vec8I operator>(Vec8I a, Vec8I b){ - return {_mm256_cmpgt_epi32(a.simd, b.simd)}; -} -force_inline Vec8I operator>>(Vec8I a, U8 v){ return {_mm256_srai_epi32(a.simd, v)}; } -force_inline Vec8I operator&(Vec8I a, Vec8I b){ return {_mm256_and_si256(a.simd, b.simd)}; } -force_inline Vec8I operator+(Vec8I a, Vec8I b){ return {_mm256_add_epi32(a.simd, b.simd)}; } -force_inline Vec8I operator-(Vec8I a, Vec8I b){ return {_mm256_sub_epi32(a.simd, b.simd)}; } -force_inline Vec8I operator*(Vec8I a, Vec8I b){ - return {_mm256_mullo_epi32(a.simd, b.simd)}; //_mm256_mul_epi32 -} -// Vec8I operator/(Vec8I a, Vec8I b){ return {_mm256_div_epi32(a.simd, b.simd)}; } -force_inline Vec8I operator+=(Vec8I &a, Vec8I b){ return a + b; } - -force_inline Vec8I convert_vec8_to_vec8i(Vec8 v){ return Vec8I{_mm256_cvtps_epi32(v.simd)}; } -force_inline Vec8 convert_vec8i_to_vec8(Vec8I v){ return {_mm256_cvtepi32_ps(v.simd)}; } - diff --git a/work_queue.cpp b/work_queue.cpp deleted file mode 100644 index 7caa49f..0000000 --- a/work_queue.cpp +++ /dev/null @@ -1,100 +0,0 @@ - -// @Section: Work Queue -#define WORK_QUEUE_CALLBACK(name) void name(void *data) -typedef WORK_QUEUE_CALLBACK(WorkQueueCallback); - -struct WorkQueueEntry { - WorkQueueCallback *callback; - void *data; -}; - -struct WorkQueue { - WorkQueueEntry entries[256]; - S64 volatile index_to_write; - S64 volatile index_to_read; - S64 volatile completion_index; - S64 volatile completion_goal; - HANDLE semaphore; -}; - -struct ThreadStartupInfo { - DWORD thread_id; - S32 thread_index; - WorkQueue *queue; -}; - -S64 atomic_increment(volatile S64 *i){ - return InterlockedIncrement64(i); -} - -S64 atomic_compare_and_swap(volatile S64 *dst, S64 exchange, S64 comperand){ - return InterlockedCompareExchange64(dst, exchange, comperand); -} - -void push_work(WorkQueue *wq, void *data, WorkQueueCallback *callback) { - U32 new_index = (wq->index_to_write + 1) % buff_cap(wq->entries); - assert(new_index != wq->index_to_read); - - WorkQueueEntry *entry = wq->entries + wq->index_to_write; - entry->data = data; - entry->callback = callback; - - wq->completion_goal+=1; - _WriteBarrier(); - wq->index_to_write = new_index; - ReleaseSemaphore(wq->semaphore, 1, 0); -} - -bool try_doing_work(WorkQueue *wq) { - bool should_sleep = false; - S64 original_index_to_read = wq->index_to_read; - S64 new_index_to_read = (original_index_to_read + 1) % buff_cap(wq->entries); - if(original_index_to_read != wq->index_to_write) { - S64 index = atomic_compare_and_swap(&wq->index_to_read, new_index_to_read, original_index_to_read); - if(index == original_index_to_read) { - WorkQueueEntry *entry = wq->entries + index; - entry->callback(entry->data); - atomic_increment(&wq->completion_index); - } - } - else { - should_sleep = true; - } - return should_sleep; -} - -DWORD WINAPI thread_proc(LPVOID param) { - auto ti = (ThreadStartupInfo *)param; - - Thread_Ctx ctx = {}; - ctx.thread_index = ti->thread_index; - for(;;) { - if(try_doing_work(ti->queue)) { - WaitForSingleObject(ti->queue->semaphore, INFINITE); - } - } -} - -void init_work_queue(WorkQueue *queue, U32 thread_count, ThreadStartupInfo *info) { - queue->index_to_read = 0; - queue->index_to_write = 0; - queue->completion_index = 0; - queue->completion_goal = 0; - queue->semaphore = CreateSemaphoreExA(0, 0, thread_count, 0, 0, SEMAPHORE_ALL_ACCESS); - assert_msg(queue->semaphore != INVALID_HANDLE_VALUE, "Failed to create semaphore"); - - for(U32 i = 0; i < thread_count; i++) { - ThreadStartupInfo *ti = info + i; - ti->thread_index = i; - ti->queue = queue; - HANDLE thread_handle = CreateThread(0, 0, thread_proc, ti, 0, &ti->thread_id); - assert_msg(thread_handle != INVALID_HANDLE_VALUE, "Failed to create thread"); - CloseHandle(thread_handle); - } -} - -void wait_until_completion(WorkQueue *wq) { - while(wq->completion_goal != wq->completion_index) { - try_doing_work(wq); - } -}