49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
enum ProfileScopeName {
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ProfileScopeName_draw_triangle,
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ProfileScopeName_fill_triangle,
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ProfileScopeName_draw_all_meshes,
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ProfileScopeName_draw_mesh,
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ProfileScopeName_draw_set_of_mesh_indices,
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ProfileScopeName_main_loop,
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ProfileScopeName_Count,
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};
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const char *profile_scope_names[] = {
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"draw_triangle",
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"fill_triangle",
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"draw_all_meshes",
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"draw_mesh",
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"draw_set_of_mesh_indices",
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"main_loop",
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};
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struct ProfileState {
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U64 samples[5096*32];
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S64 i;
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};
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global ProfileState profile_scopes[ProfileScopeName_Count];
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force_inline void
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profile_begin(ProfileScopeName name){
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ProfileState *p = profile_scopes + name;
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p->samples[p->i] = __rdtsc();
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}
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force_inline void
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profile_end(ProfileScopeName name){
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ProfileState *p = profile_scopes + name;
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p->samples[p->i] = __rdtsc() - p->samples[p->i];
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p->i = (p->i + 1) % buff_cap(p->samples);
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}
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struct Profile_Scope{
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ProfileScopeName n;
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force_inline Profile_Scope(ProfileScopeName name){ profile_begin(name); n=name; }
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force_inline ~Profile_Scope(){ profile_end(n); }
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};
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#define PROFILE_BEGIN(name) profile_begin(ProfileScopeName_##name)
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#define PROFILE_END(name) profile_end(ProfileScopeName_##name)
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#define PROFILE_SCOPE(name) Profile_Scope profile_scope_##__LINE__(ProfileScopeName_##name)
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