C++ (Cpp) GLUTWindowRecPtr::render Examples

Example #1

File: testOcclusionCulling.cpp Project: Himbeertoni/OpenSGDevMaster

// redraw the window
void display(void)
{   
    if(glutGetWindow() == mainwinid)
    {
#ifdef OSG_WITH_NVPERFSDK
        if(nvDataProvider->nCounters())
        {
            nvDataProvider->sample();

            OSG::Char8 str[40];
            
            for(int i = 0; nvStatElems[i] != NULL; ++i)
            {
                if(collector != NULL)
                {
                    sprintf(str, "%s: %f", nvStatElems[i]->getDescription().c_str(),
                            nvDataProvider->value(i)); 

                    OSG::StatStringElem *e = dynamic_cast<OSG::StatStringElem*>(
                        collector->getElem(*nvStatElems[i]));  

                    e->set(str);
                }
            }
        }
        
        if(runExperiment)
        {
            int nCount;
            
            const char *expCounters[] = { 
                "2D Bottleneck", "2D SOL", 
                "IDX Bottleneck", "IDX SOL", 
                "GEOM Bottleneck", "GEOM SOL", 
                "ZCULL Bottleneck", "ZCULL SOL", 
                "TEX Bottleneck", "TEX SOL", 
                "ROP Bottleneck", "ROP SOL", 
                "SHD Bottleneck", "SHD SOL", 
                "FB Bottleneck", "FB SOL", 
                "GPU Bottleneck", // Needs to be last 
                NULL };
            
            for(int i = 0; expCounters[i] != NULL; ++i)
            {
                NVPMAddCounterByName(const_cast<char *>(expCounters[i]));
            }
            
            NVPMBeginExperiment(&nCount);
            
            FLOG(("NVPerfKitSDK: Running %d passes\n", nCount));
            
            for(int i = 0; i < nCount; i++)
            {
                NVPMBeginPass(i);
                mgr->redraw();
                NVPMEndPass(i);
            }
            NVPMEndExperiment();
            
            UINT64 value, cycles;
            
            for(int i = 0; expCounters[i] != NULL; ++i)
            {
                NVPMGetCounterValueByName(const_cast<char *>(expCounters[i]), 0, &value, &cycles);
                FLOG(("%s: %lld value, %lld cycles (%.4f%%)\n", 
                        expCounters[i], value, cycles, value * 100. / cycles));
            }
            
            char buffer[1000] = "";
            
            NVPMGetGPUBottleneckName(value, buffer);

            FLOG(("GPU Bottleneck: '%s'\n", buffer));

            for(int i = 0; expCounters[i] != NULL; ++i)
            {
                //NVPMRemoveCounterByName(expCounters[i]);               
            }
            
            runExperiment = false;
        }
#endif
        mgr->redraw();
    }
    else if(glutGetWindow() == debugwinid)
    {
        // Use RenderAction to prevent new occlusion culling on debug output
        debugwin->render(debugact);
    }
}