internal static string GetStringFromBlob(IDxcLibrary library, IDxcBlob blob)
{
unsafe
{
blob = library.GetBlobAstUf16(blob);
return(new string(blob.GetBufferPointer(), 0, (int)(blob.GetBufferSize() / 2) - 1));
}
}
static Dxc()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
_createInstanceFn = LoadDxcCreateInstanceWindows();
}
Library = CreateDxcLibrary();
}
public static IDxcBlobEncoding CreateBlobForText(IDxcLibrary library, string text)
{
if (string.IsNullOrEmpty(text))
{
return(null);
}
const uint CP_UTF16 = 1200;
return(library.CreateBlobWithEncodingOnHeapCopy(text, (uint)(text.Length * 2), CP_UTF16));
}
private static byte[] Compile(ShaderStage shaderStage, string source, string entryPoint, string sourceName, DxcCompilerOptions options)
{
//IDxcOperationResult result = DxcCompiler.Compile((DxcShaderStage)shaderStage, source, entryPoint, sourceName, options);
string shaderProfile = GetShaderProfile(shaderStage, options.ShaderModel);
List <string> arguments = new List <string>();
if (options.PackMatrixInColumnMajor)
{
arguments.Add("-Zpc");
}
else if (options.PackMatrixInRowMajor)
{
arguments.Add("-Zpr");
}
IDxcLibrary library = Dxc.CreateDxcLibrary();
IDxcBlobEncoding sourceBlob = Dxc.CreateBlobForText(library, source);
IDxcIncludeHandler includeHandler = library.CreateIncludeHandler();
IDxcCompiler compiler = Dxc.CreateDxcCompiler();
IDxcOperationResult result = compiler.Compile(
sourceBlob,
sourceName,
entryPoint,
shaderProfile,
arguments.ToArray(),
arguments.Count,
null,
0,
includeHandler);
if (result.GetStatus() == 0)
{
IDxcBlob blob = result.GetResult();
return(Dxc.GetBytesFromBlob(blob));
}
else
{
string resultText = Dxc.GetStringFromBlob(library, result.GetErrors());
throw new Exception(resultText);
}
}
