string GetSVRegisterName()
{
switch (SemanticName.ToUpper())
{
case "SV_DEPTH":
return("oDepth");
case "SV_DEPTHGREATEREQUAL":
return("oDepthGE");
case "SV_DEPTHLESSEQUAL":
return("oDepthLE");
case "SV_COVERAGE":
return("oMask");
case "SV_STENCILREF":
return("oStencilRef");
}
if (SystemValueType == Name.PrimitiveID)
{
return("primID");
}
else
{
return("special");
}
}
internal void UpdateVersion(ChunkType chunkType, ShaderVersion version)
{
ProgramType programType = version.ProgramType;
if (chunkType == ChunkType.Pcsg && programType == ProgramType.HullShader)
{
ReadWriteMask = (ComponentMask)(ComponentMask.All - ReadWriteMask);
}
// Vertex and pixel shaders need special handling for SystemValueType in the output signature.
if ((programType == ProgramType.PixelShader || programType == ProgramType.VertexShader) &&
(chunkType == ChunkType.Osg5 || chunkType == ChunkType.Osgn || chunkType == ChunkType.Osg1))
{
if (Register == 0xffffffff)
{
switch (SemanticName.ToUpper())
{
case "SV_DEPTH":
SystemValueType = Name.Depth;
break;
case "SV_COVERAGE":
SystemValueType = Name.Coverage;
break;
case "SV_DEPTHGREATEREQUAL":
SystemValueType = Name.DepthGreaterEqual;
break;
case "SV_DEPTHLESSEQUAL":
SystemValueType = Name.DepthLessEqual;
break;
case "SV_STENCILREF":
SystemValueType = Name.StencilRef;
break;
}
}
else if (programType == ProgramType.PixelShader)
{
SystemValueType = Name.Target;
}
}
}
