ID3DBlob *ShaderLanguageHlsl::loadShader(const char *shaderModel, const char *shaderSource, const char *entryPoint) const
{
// Get compile flags
UINT compileFlags = D3DCOMPILE_ENABLE_STRICTNESS;
switch (getOptimizationLevel())
{
case OptimizationLevel::Debug:
compileFlags |= D3DCOMPILE_DEBUG;
compileFlags |= D3DCOMPILE_SKIP_OPTIMIZATION;
break;
case OptimizationLevel::None:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_SKIP_OPTIMIZATION;
break;
case OptimizationLevel::Low:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL0;
break;
case OptimizationLevel::Medium:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL1;
break;
case OptimizationLevel::High:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL2;
break;
case OptimizationLevel::Ultra:
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL3;
break;
}
ID3DBlob *d3dBlob = nullptr;
ID3DBlob *errorBlob = nullptr;
if (FAILED(D3DX10CompileFromMemory(shaderSource, strlen(shaderSource), nullptr, nullptr, nullptr, entryPoint ? entryPoint : "main", shaderModel, compileFlags, 0, nullptr, &d3dBlob, &errorBlob, nullptr)))
{
if (nullptr != errorBlob)
{
::OutputDebugStringA(static_cast<char*>(errorBlob->GetBufferPointer()));
errorBlob->Release();
}
// Error!
return nullptr;
}
if (nullptr != errorBlob)
{
errorBlob->Release();
}
// Done
return d3dBlob;
}
ID3DBlob *ShaderLanguageHlsl::loadShader(const char *shaderModel, const char *shaderSource, const char *entryPoint) const
{
assert(nullptr != shaderModel);
assert(nullptr != shaderSource);
// TODO(co) Cleanup
ID3DBlob *d3dBlob;
HRESULT hr = S_OK;
// Get compile flags
UINT compileFlags = D3DCOMPILE_ENABLE_STRICTNESS;
switch (getOptimizationLevel())
{
case OptimizationLevel::Debug:
compileFlags |= D3DCOMPILE_DEBUG;
compileFlags |= D3DCOMPILE_SKIP_OPTIMIZATION;
break;
case OptimizationLevel::None:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_SKIP_OPTIMIZATION;
break;
case OptimizationLevel::Low:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL0;
break;
case OptimizationLevel::Medium:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL1;
break;
case OptimizationLevel::High:
compileFlags |= D3DCOMPILE_SKIP_VALIDATION;
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL2;
break;
case OptimizationLevel::Ultra:
compileFlags |= D3DCOMPILE_OPTIMIZATION_LEVEL3;
break;
}
// TODO(co) Direct3D 12 version?
ID3DBlob *errorBlob;
hr = D3DX11CompileFromMemory(shaderSource, strlen(shaderSource), nullptr, nullptr, nullptr, entryPoint ? entryPoint : "main", shaderModel,
compileFlags, 0, nullptr, &d3dBlob, &errorBlob, nullptr );
if (FAILED(hr))
{
if( errorBlob != nullptr )
OutputDebugStringA( (char*)errorBlob->GetBufferPointer() );
if( errorBlob ) errorBlob->Release();
return nullptr;
}
if (nullptr != errorBlob ) errorBlob->Release();
// Done
return d3dBlob;
}