private IEmitVal MapBuiltinTypeFormat(MidBuiltinType type)
{
switch (type.Name)
{
case "int":
return(InitBlock.Enum32("DXGI_FORMAT", "DXGI_FORMAT_R32_SINT", DXGI_FORMAT.DXGI_FORMAT_R32_SINT));
case "float2":
return(InitBlock.Enum32("DXGI_FORMAT", "DXGI_FORMAT_R32G32_FLOAT", DXGI_FORMAT.DXGI_FORMAT_R32G32_FLOAT));
case "float3":
case "Tangent":
return(InitBlock.Enum32("DXGI_FORMAT", "DXGI_FORMAT_R32G32B32_FLOAT", DXGI_FORMAT.DXGI_FORMAT_R32G32B32_FLOAT));
case "float4":
return(InitBlock.Enum32("DXGI_FORMAT", "DXGI_FORMAT_R32G32B32A32_FLOAT", DXGI_FORMAT.DXGI_FORMAT_R32G32B32A32_FLOAT));
case "ubyte4":
return(InitBlock.Enum32("DXGI_FORMAT", "DXGI_FORMAT_R8G8B8A8_UINT", DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UINT));
case "unorm4":
return(InitBlock.Enum32("DXGI_FORMAT", "DXGI_FORMAT_R8G8B8A8_UNORM", DXGI_FORMAT.DXGI_FORMAT_R8G8B8A8_UNORM));
default:
throw new NotImplementedException();
}
}
private SizeInfo GetSizeInfoImpl(MidBuiltinType type)
{
switch (type.Name)
{
case "ubyte4": return(new SizeInfo {
Size = 1 * 4, Align = 4
});
case "unorm4": return(new SizeInfo {
Size = 1 * 4, Align = 4
});
case "float2": return(new SizeInfo {
Size = 2 * 4, Align = 4
});
case "Tangent":
case "float3": return(new SizeInfo {
Size = 3 * 4, Align = 4
});
case "float4": return(new SizeInfo {
Size = 4 * 4, Align = 4
});
default:
throw new NotImplementedException();
}
}
private IEmitType EmitTypeImpl(
MidBuiltinType midType,
EmitEnv env)
{
IEmitTerm[] args = null;
if (midType.Args != null)
{
args = (from a in midType.Args
select EmitGenericArg(a, env)).ToArray();
}
return(Target.GetBuiltinType(
midType.GetTemplate(Target.TargetName),
args));
}
private AttributeInfo GenerateInputElementsImpl(
SourceRange range,
string name,
MidBuiltinType type,
int vertexStream,
IndexSourceInfo index,
UInt32 baseOffset,
int inputSlotIndex)
{
var format = MapBuiltinTypeFormat(type);
return(new InputElementInfo(range)
{
Name = name,
Format = format,
ByteOffset = baseOffset,
Index = index,
InputSlotIndex = inputSlotIndex,
});
}
