std::unique_ptr<Shader> HLSLCompiler::CreateShaderFromSource(
GraphicsDevice & graphicsDevice,
const void* shaderSource,
std::size_t byteLength,
const std::string& entryPoint,
ShaderPipelineStage pipelineStage,
const Optional<std::string>& currentDirectory)
{
POMDOG_ASSERT(shaderSource != nullptr);
POMDOG_ASSERT(byteLength > 0);
POMDOG_ASSERT(graphicsDevice.GetSupportedLanguage() == ShaderLanguage::HLSL);
auto nativeGraphicsDevice = graphicsDevice.GetNativeGraphicsDevice();
ShaderBytecode shaderBytecode;
shaderBytecode.Code = shaderSource;
shaderBytecode.ByteLength = byteLength;
ShaderCompileOptions compileOptions;
compileOptions.EntryPoint = entryPoint;
compileOptions.Profile.PipelineStage = pipelineStage;
compileOptions.Profile.ShaderModel.Major = 4;
compileOptions.Profile.ShaderModel.Minor = 0;
compileOptions.Precompiled = false;
if (currentDirectory) {
compileOptions.CurrentDirectory = *currentDirectory;
}
return nativeGraphicsDevice->CreateShader(shaderBytecode, compileOptions);
}
std::unique_ptr<Shader> HLSLCompiler::CreateShaderFromBinary(
GraphicsDevice & graphicsDevice,
const void* shaderSource,
std::size_t byteLength,
ShaderPipelineStage pipelineStage)
{
POMDOG_ASSERT(shaderSource != nullptr);
POMDOG_ASSERT(byteLength > 0);
POMDOG_ASSERT(graphicsDevice.GetSupportedLanguage() == ShaderLanguage::HLSL);
auto nativeGraphicsDevice = graphicsDevice.GetNativeGraphicsDevice();
ShaderBytecode shaderBytecode;
shaderBytecode.Code = shaderSource;
shaderBytecode.ByteLength = byteLength;
ShaderCompileOptions compileOptions;
compileOptions.Profile.PipelineStage = pipelineStage;
compileOptions.Precompiled = true;
return nativeGraphicsDevice->CreateShader(shaderBytecode, compileOptions);
}