OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
1
Fork 0
Code Activity

Codegen all DrawSpan variants

Browse source
This commit is contained in:
Magnus Norddahl 2016-09-29 04:01:42 +02:00
commit e5f3c119cd
5 changed files with 193 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

25
src/r_compiler/fixedfunction/fixedfunction.h
View file

@ -43,22 +43,37 @@ public:
SSAVec4i blend_revsub(SSAVec4i fg, SSAVec4i bg, SSAInt srcalpha, SSAInt destalpha);
SSAVec4i blend_alpha_blend(SSAVec4i fg, SSAVec4i bg);
// Calculates the final alpha values to be used when combined with the source texture alpha channel
SSAInt calc_blend_bgalpha(SSAVec4i fg, SSAInt destalpha);
// SampleBgra
SSAVec4i sample_linear(SSAUBytePtr col0, SSAUBytePtr col1, SSAInt texturefracx, SSAInt texturefracy, SSAInt one, SSAInt height);
SSAVec4i sample_linear(SSAUBytePtr texture, SSAInt xfrac, SSAInt yfrac, SSAInt xbits, SSAInt ybits);
};
enum class DrawSpanVariant
{
Opaque,
Masked,
Translucent,
MaskedTranslucent,
AddClamp,
MaskedAddClamp
};
class DrawSpanCodegen : public DrawerCodegen
{
public:
void Generate(SSAValue args);
void Generate(DrawSpanVariant variant, SSAValue args);
private:
void LoopShade(bool isSimpleShade);
void LoopFilter(bool isSimpleShade, bool isNearestFilter);
SSAInt Loop4x(bool isSimpleShade, bool isNearestFilter, bool is64x64);
void Loop(SSAInt start, bool isSimpleShade, bool isNearestFilter, bool is64x64);
void LoopShade(DrawSpanVariant variant, bool isSimpleShade);
void LoopFilter(DrawSpanVariant variant, bool isSimpleShade, bool isNearestFilter);
SSAInt Loop4x(DrawSpanVariant variant, bool isSimpleShade, bool isNearestFilter, bool is64x64);
void Loop(SSAInt start, DrawSpanVariant variant, bool isSimpleShade, bool isNearestFilter, bool is64x64);
SSAVec4i Sample(SSAInt xfrac, SSAInt yfrac, bool isNearestFilter, bool is64x64);
SSAVec4i Shade(SSAVec4i fg, bool isSimpleShade);
SSAVec4i Blend(SSAVec4i fg, SSAVec4i bg, DrawSpanVariant variant);
SSAStack<SSAInt> stack_index, stack_xfrac, stack_yfrac;