public T CreateReflection <T>(IDxcBlob blob) where T : ComObject
{
DxcBuffer reflectionData = new DxcBuffer
{
Ptr = blob.GetBufferPointer(),
Size = blob.GetBufferSize(),
Encoding = Dxc.DXC_CP_ACP
};
CreateReflection(ref reflectionData, typeof(T).GUID, out IntPtr nativePtr).CheckError();
return(MarshallingHelpers.FromPointer <T>(nativePtr));
}
public unsafe Result Compile <T>(string source, string[] arguments, IDxcIncludeHandler includeHandler, out T result) where T : ComObject
{
IntPtr shaderSourcePtr = Marshal.StringToHGlobalAnsi(source);
IntPtr *argumentsPtr = (IntPtr *)0;
DxcBuffer buffer = new DxcBuffer
{
Ptr = shaderSourcePtr,
Size = source.Length,
Encoding = Dxc.DXC_CP_ACP
};
try
{
int argumentsCount = 0;
if (arguments != null && arguments.Length > 0)
{
argumentsCount = arguments.Length;
argumentsPtr = Interop.AllocToPointers(arguments);
}
Result hr = Compile(ref buffer, (IntPtr)argumentsPtr, argumentsCount, includeHandler, typeof(T).GUID, out IntPtr nativePtr);
if (hr.Failure)
{
result = default;
return(hr);
}
result = FromPointer <T>(nativePtr);
return(hr);
}
finally
{
if (shaderSourcePtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(shaderSourcePtr);
}
if (argumentsPtr != null)
{
Interop.Free(argumentsPtr);
}
}
}
public Result CreateReflection <T>(IDxcBlob blob, out T?reflection) where T : ComObject
{
DxcBuffer reflectionData = new DxcBuffer
{
Ptr = blob.GetBufferPointer(),
Size = blob.GetBufferSize(),
Encoding = Dxc.DXC_CP_ACP
};
Result result = CreateReflection(ref reflectionData, typeof(T).GUID, out IntPtr nativePtr);
if (result.Failure)
{
reflection = default;
return(result);
}
reflection = MarshallingHelpers.FromPointer <T>(nativePtr);
return(result);
}
private static void Reflect(CompiledShader shader)
{
var buffer = new DxcBuffer
{
Encoding = 0,
Ptr = shader.Pointer,
Size = shader.Length
};
using UniqueComPtr <ID3D12ShaderReflection> reflection = default;
Guard.ThrowIfFailed(Utils.Ptr->CreateReflection(&buffer, reflection.Iid, (void **)&reflection));
D3D12_SHADER_DESC desc;
Guard.ThrowIfFailed(reflection.Ptr->GetDesc(&desc));
for (var i = 0u; i < desc.BoundResources; i++)
{
D3D12_SHADER_INPUT_BIND_DESC bindDesc;
Guard.ThrowIfFailed(reflection.Ptr->GetResourceBindingDesc(i, &bindDesc));
}
}
