internal static CompiledShader CompileShader(
string shaderText,
ReadOnlySpan <char> name,
ReadOnlySpan <char> entrypoint,
ShaderCompilationOptions options
)
{
return(CompileShader(ToAscii(shaderText), name, entrypoint, options));
}
//private static ComPtr<IDxcCompiler2> Compiler;
//unsafe static ShaderManager()
//{
// ComPtr<IDxcCompiler2> compiler = default;
// Guid clsid = Windows.CLSID_DxcCompiler;
// Guard.ThrowIfFailed(Windows.DxcCreateInstance(&clsid, compiler.Guid, ComPtr.GetVoidAddressOf(&compiler)));
// Compiler = compiler.Move();
//}
internal unsafe static CompiledShader CompileShader(
ReadOnlySpan <byte> shaderTextAscii,
ReadOnlySpan <char> name,
ReadOnlySpan <char> entrypoint,
ShaderCompilationOptions options
)
{
fixed(byte *pData = shaderTextAscii)
fixed(byte *pName = ToAscii(name))
fixed(byte *pEntrypoint = ToAscii(entrypoint))
fixed(byte *pTarget = AsTargetString(options.Target))
fixed(D3D_SHADER_MACRO * pDefines = ToAsciiDefines(options.Defines.Span))
fixed(byte *pSecondaryData = options.SecondaryData.Span)
{
ID3DBlob *data = default;
ID3DBlob *error = default;
int hr = Windows.D3DCompile2(
pData,
(nuint)shaderTextAscii.Length,
(sbyte *)pName,
pDefines,
(ID3DInclude *)Windows.D3D_COMPILE_STANDARD_FILE_INCLUDE,
(sbyte *)pEntrypoint,
(sbyte *)pTarget,
D3DCompileFlagsExtensions.GetCompileFlags(options.Flags),
0,
D3DCompileFlagsExtensions.GetSecDataFlags(options.Flags),
pSecondaryData,
(nuint)options.SecondaryData.Length,
&data,
&error
);
return(ConstructShaderFromDataAndError(hr, data, error));
}
}