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Macros for shader extensions to determine blend factors

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This commit is contained in:
Jack Andersen
2018-10-20 18:13:25 -10:00
parent 808e46a4ef
commit a230eeb3b1
10 changed files with 77 additions and 9 deletions
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33
hecl/lib/Backend/ProgrammableCommon.cpp
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@@ -4,6 +4,39 @@
namespace hecl::Backend
{
const char* ProgrammableCommon::BlendFactorToDefine(BlendFactor factor, BlendFactor defaultFactor)
{
switch (factor)
{
case BlendFactor::Zero:
return "ZERO";
case BlendFactor::One:
return "ONE";
case BlendFactor::SrcColor:
return "SRCCOLOR";
case BlendFactor::InvSrcColor:
return "INVSRCCOLOR";
case BlendFactor::DstColor:
return "DSTCOLOR";
case BlendFactor::InvDstColor:
return "INVDSTCOLOR";
case BlendFactor::SrcAlpha:
return "SRCALPHA";
case BlendFactor::InvSrcAlpha:
return "INVSRCALPHA";
case BlendFactor::DstAlpha:
return "DSTALPHA";
case BlendFactor::InvDstAlpha:
return "INVDSTALPHA";
case BlendFactor::SrcColor1:
return "SRCCOLOR1";
case BlendFactor::InvSrcColor1:
return "INVSRCCOLOR1";
default:
return BlendFactorToDefine(defaultFactor, BlendFactor::Zero);
}
}
unsigned ProgrammableCommon::addTexCoordGen(TexGenSrc src, int uvIdx, int mtx, bool normalize)
{
for (unsigned i=0 ; i<m_tcgs.size() ; ++i)