Using FixedFunctioin material

Sean H. suggested to comment out the following conde in matInstance.cpp from around line 304:

if( dynamic_cast<CustomMaterial*>(mMaterial) )
   {
      F32 pixVersion = GFX->getPixelShaderVersion();
      CustomMaterial* custMat = static_cast<CustomMaterial*>(mMaterial);
      if ((custMat->mVersion > pixVersion) || (custMat->mVersion == 0.0))
      {
         if(custMat->mFallback)
         {
            mMaterial = custMat->mFallback;
            return processMaterial();            
         }
         else
         {            
            AssertWarn(custMat->mVersion == 0.0f, avar("Can't load CustomMaterial %s for %s, using generic FF fallback", 
               String(mMaterial->getName()).isEmpty() ? "Unknown" : mMaterial->getName(), custMat->mMapTo.c_str()));
            mProcessedMaterial = new ProcessedFFMaterial(*mMaterial);
         }
      }
      else 
         mProcessedMaterial = new ProcessedCustomMaterial(*mMaterial);
   }
   else if(GFX->getPixelShaderVersion() > 0.001)
      mProcessedMaterial = getShaderMaterial();
   else
      mProcessedMaterial = new ProcessedFFMaterial(*mMaterial);

and use this instead:

mProcessedMaterial = new ProcessedFFMaterial(*mMaterial);

so it could run faster on integrated graphic cards since ProcessedFFMaterial does not use shaders.

When tried to run the exe, I got an error (unhandled exception in Debug build) with the following call stack:

Blocks_DEBUG.dll!LightInfo::getType() Line 140 + 0xf bytes C++
Blocks_DEBUG.dll!ProcessedFFMaterial::_setPrimaryLightInfo(const MatrixF & _objTrans={...}, LightInfo * light=0x00000000, unsigned int pass=0) Line 250 + 0x8 bytes C++
Blocks_DEBUG.dll!ProcessedFFMaterial::setSceneInfo(SceneState * state=0x060ab298, const SceneGraphData & sgData={...}, unsigned int pass=0) Line 243 C++
Blocks_DEBUG.dll!MatInstance::setSceneInfo(SceneState * state=0x060ab298, const SceneGraphData & sgData={...}) Line 405 C++
Blocks_DEBUG.dll!RenderMeshMgr::render(SceneState * state=0x060ab298) Line 181 C++
Blocks_DEBUG.dll!RenderPassManager::render(SceneState * state=0x060ab298) Line 297 C++
Blocks_DEBUG.dll!SceneState::renderCurrentImages() Line 160 C++
Blocks_DEBUG.dll!SceneGraph::_traverseSceneTree(SceneState * pState=0x060ab298) Line 240 C++
Blocks_DEBUG.dll!SceneGraph::renderScene(SceneState * sceneState=0x060ab298, unsigned int objectMask=335548416) Line 202 C++
Blocks_DEBUG.dll!PSSMLightShadowMap::_render(SceneGraph * sceneManager=0x02627038, const SceneState * diffuseState=0x060aa358) Line 339 C++
Blocks_DEBUG.dll!LightShadowMap::render(SceneGraph * sceneManager=0x02627038, const SceneState * diffuseState=0x060aa358) Line 274 C++
Blocks_DEBUG.dll!ShadowMapPass::render(SceneGraph * sceneManager=0x02627038, const SceneState * diffuseState=0x060aa358, unsigned int objectMask=4294967295) Line 180 C++
Blocks_DEBUG.dll!ShadowMapManager::_onPreRender(SceneGraph * sg=0x02627038, const SceneState * state=0x060aa358) Line 78 C++
Blocks_DEBUG.dll!fastdelegate::FastDelegate2<SceneGraph *,SceneState const *,void>::operator()(SceneGraph * p1=0x02627038, const SceneState * p2=0x060aa358) Line 1078 + 0x1e bytes C++
Blocks_DEBUG.dll!Signal<void __cdecl(SceneGraph *,SceneState const *)>::trigger(SceneGraph * a=0x02627038, const SceneState * b=0x060aa358) Line 334 + 0x1b bytes C++
Blocks_DEBUG.dll!SceneGraph::renderScene(ScenePassType passType=SPT_Diffuse, unsigned int objectMask=4294967295) Line 166 C++
Blocks_DEBUG.dll!GameRenderWorld() Line 311 C++
Blocks_DEBUG.dll!GameTSCtrl::renderWorld(const RectI & updateRect={...}) Line 53 C++
Blocks_DEBUG.dll!GuiTSCtrl::onRender(Point2I offset={...}, const RectI & updateRect={...}) Line 255 C++
Blocks_DEBUG.dll!GameTSCtrl::onRender(Point2I offset={...}, const RectI & updateRect={...}) Line 156 C++
Blocks_DEBUG.dll!GuiCanvas::renderFrame(bool preRenderOnly=false, bool bufferSwap=true) Line 1559 C++
Blocks_DEBUG.dll!GuiCanvas::handlePaintEvent(unsigned int did=0) Line 220 C++
Blocks_DEBUG.dll!fastdelegate::FastDelegate1<unsigned int,void>::operator()(unsigned int p1=0) Line 993 + 0x1a bytes C++
Blocks_DEBUG.dll!Signal<void __cdecl(unsigned int)>::trigger(unsigned int a=0) Line 323 + 0x17 bytes C++
Blocks_DEBUG.dll!Journal::Call<Signal<void __cdecl(unsigned int)>,unsigned int>(Signal<void __cdecl(unsigned int)> * obj=0x026a01d8, void (unsigned int)* method=0x1057a6e7, unsigned int a=0) Line 541 + 0xa8 bytes C++
Blocks_DEBUG.dll!JournaledSignal<void __cdecl(unsigned int)>::trigger(unsigned int a=0) Line 52 + 0x12 bytes C++
Blocks_DEBUG.dll!GuiCanvas::paint() Line 1389 C++
Blocks_DEBUG.dll!fastdelegate::FastDelegate0<void>::operator()() Line 908 + 0x16 bytes C++
Blocks_DEBUG.dll!Signal<void __cdecl(void)>::trigger() Line 312 + 0x13 bytes C++
Blocks_DEBUG.dll!Process::processEvents() Line 62 C++
Blocks_DEBUG.dll!StandardMainLoop::doMainLoop() Line 542 + 0x5 bytes C++
Blocks_DEBUG.dll!torque_enginetick() Line 78 + 0x5 bytes C++
Blocks_DEBUG.dll!TorqueMain(int argc=2, const char * * argv=0x00dbcef8) Line 369 + 0x5 bytes C++
Blocks_DEBUG.dll!torque_winmain(HINSTANCE__ * hInstance=0x00400000, HINSTANCE__ * __formal=0x00000000, char * lpszCmdLine=0x00151f3a, HINSTANCE__ * __formal=0x00000000) Line 423 + 0x17 bytes C++
Blocks_DEBUG.exe!WinMain(HINSTANCE__ * hInstance=0x00400000, HINSTANCE__ * hPrevInstance=0x00000000, char * lpszCmdLine=0x00151f3a, int nCommandShow=1) Line 47 + 0x16 bytes C++
Blocks_DEBUG.exe!__tmainCRTStartup() Line 263 + 0x2c bytes C
Blocks_DEBUG.exe!WinMainCRTStartup() Line 182 C
kernel32.dll!7c817077()
[Frames below may be incorrect and/or missing, no symbols loaded for kernel32.dll]
Blocks_DEBUG.exe!_mtinitlocknum(int locknum=16843277) Line 288 + 0xe bytes C
00000001()

Could somebody help me to make this work?