//================================================================================================
bool DXShader11::tryLoadBinThenCompile(LPCWSTR pSrcFile,
LPCSTR pFuncName,
const D3D_SHADER_MACRO * pDefines)
{
//First try loading from bin
DAnsiStr strBinFile;
strBinFile.copyFromW(pSrcFile);
strBinFile = PS::FILESTRINGUTILS::ChangeFileExt(strBinFile, DAnsiStr(".bin"));
if(loadFromBinary(strBinFile.ptr()) )
return true;
//Could not find bin so try compiling the HLSL code and save bin afterwards.
HRESULT res = compile(pSrcFile, pFuncName, pDefines, true);
return SUCCEEDED(res);
}
HRESULT DXShader11::compile( LPCWSTR pSrcFile,
LPCSTR pFuncName,
const D3D_SHADER_MACRO * pDefines,
bool bSaveByteCode)
{
HRESULT hr;
if(!PS::FILESTRINGUTILS::FileExists( pSrcFile))
return E_FAIL;
DWORD dwShaderFlags = D3DCOMPILE_ENABLE_STRICTNESS;
#if defined( DEBUG ) || defined( _DEBUG )
// Set the D3DCOMPILE_DEBUG flag to embed debug information in the shaders.
// Setting this flag improves the shader debugging experience, but still allows
// the shaders to be optimized and to run exactly the way they will run in
// the release configuration of this program.
dwShaderFlags |= D3DCOMPILE_DEBUG;
#endif
// We generally prefer to use the higher CS shader profile when possible as CS 5.0 is better performance on 11-class hardware
LPCSTR pProfile = ( m_pDXDevice->getDevice()->GetFeatureLevel() >= D3D_FEATURE_LEVEL_11_0 ) ? "cs_5_0" : "cs_4_0";
ID3DBlob* pErrorBlob = NULL;
ID3DBlob* pBlob = NULL;
hr = D3DX11CompileFromFile(pSrcFile, pDefines, NULL, pFuncName, pProfile,
dwShaderFlags, NULL, NULL, &pBlob, &pErrorBlob, NULL );
if ( FAILED(hr) )
{
if ( pErrorBlob )
{
OutputDebugStringA( (char*)pErrorBlob->GetBufferPointer() );
ReportError((const char*)pErrorBlob->GetBufferPointer());
}
SAFE_RELEASE( pErrorBlob );
SAFE_RELEASE( pBlob );
return hr;
}
hr = m_pDXDevice->getDevice()->CreateComputeShader( pBlob->GetBufferPointer(), pBlob->GetBufferSize(), NULL, &m_pComputeShader );
if(SUCCEEDED(hr))
{
m_bCompiled = true;
if(bSaveByteCode)
{
DAnsiStr strBinFile;
strBinFile.copyFromW(pSrcFile);
strBinFile = PS::FILESTRINGUTILS::ChangeFileExt(strBinFile, DAnsiStr(".bin"));
ofstream ofs(strBinFile.ptr(), ios::out | ios::trunc | ios::binary);
if(!ofs.is_open())
return false;
ofs.write( reinterpret_cast<const char*>(pBlob->GetBufferPointer()), pBlob->GetBufferSize());
ofs.close();
}
}
#if defined(DEBUG) || defined(PROFILE)
if ( m_pComputeShader )
(m_pComputeShader)->SetPrivateData( WKPDID_D3DDebugObjectName, lstrlenA(pFuncName), pFuncName);
#endif
SAFE_RELEASE( pErrorBlob );
SAFE_RELEASE( pBlob );
return hr;
}