private void WriteResourceBinding(IrResourceBinding binding)
{
if (binding.Kind == IrResourceKind.CBuffer || binding.Kind == IrResourceKind.TBuffer)
{
WriteLineFormat("//{0} {1}", binding.Kind, binding.Name);
return;
}
var typeName = GetBindingTypeName(binding);
WriteFormat("{0}", typeName);
if (binding.ReturnType != null)
{
var dimStr = binding.Dimension > 0 ? $", {binding.Dimension}" : "";
if (binding.ReturnType.VariableClass == ShaderVariableClass.Struct)
{
WriteFormat("<struct {0}>", binding.ReturnType.BaseTypeName);
}
else
{
WriteFormat("<{0}{1}>", GetShaderTypeDeclaration(binding.ReturnType), dimStr);
}
}
WriteFormat(" {0}", binding.Name);
if (binding.BindCount > 0)
{
WriteFormat("[{0}]", binding.BindCount);
}
if (EmitRegisterDeclarations)
{
WriteFormat(" : register({0})", binding.GetBindPointDescription());
}
WriteLine(";");
}
static IrResourceBinding ParseBinding(ResourceBinding binding)
{
var irBinding = new IrResourceBinding()
{
Name = binding.Name,
Class = GetResourceClass(binding),
Kind = GetResourceKind(binding),
Dimension = binding.NumSamples == uint.MaxValue ? 0 : binding.NumSamples,
BindPoint = binding.BindPoint,
BindCount = binding.BindCount,
Debug = binding.ToString()
};
if ((irBinding.Class == IrResourceClass.SRV || irBinding.Class == IrResourceClass.UAV) &&
irBinding.Kind != IrResourceKind.TBuffer)
{
irBinding.ReturnType = ParseShaderReturnType(binding);
}
return(irBinding);
}
string GetBindingTypeName(IrResourceBinding binding)
{
switch (binding.Class)
{
case IrResourceClass.CBuffer:
return("cbuffer");
case IrResourceClass.Sampler:
return("SamplerState");
case IrResourceClass.SRV:
switch (binding.Kind)
{
case IrResourceKind.Texture1D:
return("Texture1D");
case IrResourceKind.Texture2D:
return("Texture2D");
case IrResourceKind.Texture2DMS:
return("Texture2DMS");
case IrResourceKind.Texture3D:
return("Texture3D");
case IrResourceKind.TextureCube:
return("TextureCube");
case IrResourceKind.Texture1DArray:
return("Texture1DArray");
case IrResourceKind.Texture2DArray:
return("Texture2DArray");
case IrResourceKind.Texture2DMSArray:
return("Texture2DMSArray");
case IrResourceKind.TextureCubeArray:
return("TextureCubeArray");
case IrResourceKind.TypedBuffer:
return("Buffer");
case IrResourceKind.RawBuffer:
return("ByteAddressBuffer");
case IrResourceKind.StructuredBuffer:
return("StructuredBuffer");
default:
return($"Invalid_{binding.Class}_{binding.Kind}");
}
case IrResourceClass.UAV:
switch (binding.Kind)
{
case IrResourceKind.Texture1D:
return("RWTexture1D");
case IrResourceKind.Texture2D:
return("RWTexture2D");
case IrResourceKind.Texture2DMS:
return("RWTexture2DMS");
case IrResourceKind.Texture3D:
return("RWTexture3D");
case IrResourceKind.TextureCube:
return("RWTextureCube");
case IrResourceKind.Texture1DArray:
return("RWTexture1DArray");
case IrResourceKind.Texture2DArray:
return("RWTexture2DArray");
case IrResourceKind.Texture2DMSArray:
return("RWTexture2DMSArray");
case IrResourceKind.TextureCubeArray:
return("RWTextureCubeArray");
case IrResourceKind.TypedBuffer:
return("RWBuffer");
case IrResourceKind.RawBuffer:
return("RWByteAddressBuffer");
case IrResourceKind.StructuredBuffer:
return("RWStructuredBuffer");
default:
return($"Invalid_{binding.Class}_{binding.Kind}");
}
default:
return($"Invalid_{binding.Class}_{binding.Kind}");
}
}
