void CEffect::CreateEffect(CHAR * szFxFile)
{
char file[MAX_PATH];
InsertDirectoryEx(g_szFileDir, szFxFile, file);
DWORD flags = D3D10_SHADER_ENABLE_STRICTNESS;
#if defined (DEBUG) | (_DEBUG)
flags |= D3D10_CREATE_DEVICE_DEBUG;
#endif
ID3D10Blob * errors = NULL;
D3DX10CreateEffectFromFileA(file, NULL, NULL, "fx_4_0", flags, 0,
g_pD3DDevice, NULL, NULL, &m_pEffect, &errors, NULL);
if (errors) {
MessageBoxA(0, (char*)errors->GetBufferPointer(), 0, 0);
_DestroyProcess(); }
else if (!m_pEffect) {
DxUtSendErrorEx("CreateEffect could not create ID3DX10Effect from file.", file);
}
ReleaseX(errors);
}
bool DX10_Renderer::BuildFX(std::string _fxFileName, std::string _techniqueName, ID3D10Effect*& _prFX, ID3D10EffectTechnique*& _prTech)
{
ID3D10Effect* pFX = 0;
ID3D10EffectTechnique* pTech = 0;
// Checking if the Effects file is already loaded
std::map<std::string, ID3D10Effect*>::iterator fxCheck;
fxCheck = m_fxFiles.find(_fxFileName);
// Check if the FX file has already been created
if (fxCheck != m_fxFiles.end())
{
// FX file already exists, save the Pointer
pFX = fxCheck->second;
}
else
{
// Set the shader flags to enforce strictness
DWORD shaderFlags = D3D10_SHADER_ENABLE_STRICTNESS;
#if defined( DEBUG ) || defined( _DEBUG )
// Addition shader flags for information in DEBUG mode only
shaderFlags |= D3D10_SHADER_DEBUG;
shaderFlags |= D3D10_SHADER_SKIP_OPTIMIZATION;
#endif
ID3D10Blob* compilationErrors;
// Add the directory path from the DX10Render file to the stored FX files
std::string fxfilePath = "Resources/FX/" + _fxFileName;
// Create the FX file from the input file string
VALIDATEHR(D3DX10CreateEffectFromFileA(fxfilePath.c_str(), 0, 0,
"fx_4_0", shaderFlags, 0, m_pDX10Device, 0, 0, &pFX, &compilationErrors, 0));
ReleaseCOM(compilationErrors);
// Create the pairs to be inserted into the appropriate FX Maps
std::pair<std::string, ID3D10Effect*> fxPair(_fxFileName, pFX);
// Insert the pairs into their respective Maps
VALIDATE(m_fxFiles.insert(fxPair).second);
}
// Adding the Technique to the Map
// Retrieve the Technique IDs map using the FX ID to get a Map of all techniques for that particular FX file
std::map<std::string, std::map<std::string, ID3D10EffectTechnique*>>::iterator fxNameCheck;
fxNameCheck = m_techniques.find(_fxFileName);
// Check if the FX file already has techniques stored for it
if (fxNameCheck != m_techniques.end())
{
// Search the Inner Map (of Techs by FX ID) to check if the Technique has already been created
std::map<std::string, ID3D10EffectTechnique*>::iterator techNameCheck;
techNameCheck = fxNameCheck->second.find(_techniqueName);
if (techNameCheck != fxNameCheck->second.end())
{
// Technique already exists, save the ID
pTech = techNameCheck->second;
}
else
{
// Technique has not been created so Retrieve the Tech from the FX file
pTech = pFX->GetTechniqueByName(_techniqueName.c_str());
if (pTech == NULL)
{
// technique was not found
return false;
}
// Create pairs to store in the Technique Maps
std::pair<std::string, ID3D10EffectTechnique*> techPair(_techniqueName, pTech);
// Insert the pairs into their respective Maps
VALIDATE((&fxNameCheck->second)->insert(techPair).second);
}
}
else
{
// Technique has not been created so Retrieve the Tech from the FX file
pTech = pFX->GetTechniqueByName(_techniqueName.c_str());
if (pTech == NULL)
{
// technique was not found
return false;
}
// Create pairs to store in the Technique Maps
std::map<std::string, ID3D10EffectTechnique*> innerTechMap;
std::pair<std::string, ID3D10EffectTechnique*> innerTechPair(_techniqueName, pTech);
VALIDATE(innerTechMap.insert(innerTechPair).second);
std::pair<std::string, std::map<std::string, ID3D10EffectTechnique*>> outerTechMap(_fxFileName, innerTechMap);
VALIDATE(m_techniques.insert(outerTechMap).second);
}
// Save the FX and Technique IDs in the memory passed by the Object.
_prFX = pFX;
_prTech = pTech;
return true;
}
