void PrintPixelData(int x, int y) { if ( x < renderImage.GetWidth() && y < renderImage.GetHeight() ) { Color24 *colors = renderImage.GetPixels(); float *zbuffer = renderImage.GetZBuffer(); int i = y*renderImage.GetWidth() + x; printf("Pixel [ %d, %d ] Color24: %d, %d, %d Z: %f\n", x, y, colors[i].r, colors[i].g, colors[i].b, zbuffer[i] ); } else { printf("-- Invalid pixel (%d,%d) --\n",x,y); } }
void GlutDisplay() { switch ( viewMode ) { case VIEWMODE_OPENGL: if ( dofImage ) { if ( dofDrawCount < MAX_DOF_DRAW ) { DrawScene(); glReadPixels( 0, 0, camera.imgWidth, camera.imgHeight, GL_RGB, GL_UNSIGNED_BYTE, dofBuffer ); for ( int i=0; i<camera.imgWidth*camera.imgHeight; i++ ) { dofImage[i] = (dofImage[i]*dofDrawCount + dofBuffer[i].ToColor())/(dofDrawCount+1); } dofDrawCount++; } glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); glDrawPixels( camera.imgWidth, camera.imgHeight, GL_RGB, GL_FLOAT, dofImage ); if ( dofDrawCount < MAX_DOF_DRAW ) { DrawProgressBar(float(dofDrawCount)/MAX_DOF_DRAW); glutPostRedisplay(); } } else { DrawScene(); } break; case VIEWMODE_IMAGE: glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); glDrawPixels( renderImage.GetWidth(), renderImage.GetHeight(), GL_RGB, GL_UNSIGNED_BYTE, renderImage.GetPixels() ); DrawRenderProgressBar(); break; case VIEWMODE_Z: glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); if ( ! renderImage.GetZBufferImage() ) renderImage.ComputeZBufferImage(); glDrawPixels( renderImage.GetWidth(), renderImage.GetHeight(), GL_LUMINANCE, GL_UNSIGNED_BYTE, renderImage.GetZBufferImage() ); break; case VIEWMODE_SAMPLECOUNT: glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); if ( ! renderImage.GetSampleCountImage() ) renderImage.ComputeSampleCountImage(); glDrawPixels( renderImage.GetWidth(), renderImage.GetHeight(), GL_LUMINANCE, GL_UNSIGNED_BYTE, renderImage.GetSampleCountImage() ); break; case VIEWMODE_IRRADCOMP: glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); if ( renderImage.GetIrradianceComputationImage() ) { glDrawPixels( renderImage.GetWidth(), renderImage.GetHeight(), GL_LUMINANCE, GL_UNSIGNED_BYTE, renderImage.GetIrradianceComputationImage() ); } break; } glutSwapBuffers(); }
void Renderer::startRendering(size_t i_threadCount) { threadCount = i_threadCount; mThreadHandle = ThreadHandle(threadCount); imageWidth = renderImage.GetWidth(); imageHeight = renderImage.GetHeight(); noOfRowsToRenderPerThread = imageHeight / threadCount; renderingImage = renderImage.GetPixels(); zBufferImage = renderImage.GetZBuffer(); sampleCountImage = renderImage.GetSampleCount(); operationCountImage = renderImage.GetOperationCountImage(); myEngine::Timing::Clock *clock = myEngine::Timing::Clock::createAndStart(); /*for (int i = 0; i < renderImage.GetHeight(); ++i) { for (int j = 0; j < renderImage.GetWidth(); ++j) { calculatePixelColor(rootNode,lights,j, i); } }*/ int *threadVal = new int[threadCount]; for (size_t i = 0; i < threadCount; i++) { threadVal[i] = i; std::cout << "\nPassing Value to thread" << threadVal[i]; mThreadHandle.thread[i] = CreateThread(nullptr, 0, static_cast<LPTHREAD_START_ROUTINE>(renderPixel), &threadVal[i], CREATE_SUSPENDED, nullptr); } for (size_t i = 0; i < threadCount;i++) { ResumeThread(mThreadHandle.thread[i]); } std::cout << "Wait Val"<<std::endl << WaitForMultipleObjects(threadCount, mThreadHandle.thread, TRUE, INFINITE) << std::endl;; std::cout << "Wait finished"; if (WaitForMultipleObjects(threadCount + 1, mThreadHandle.thread, TRUE, INFINITE)) { mThreadHandle.destroyThread(); } TCHAR* mutexName = __T("WritingMutex"); HANDLE mutexHandle = OpenMutex(MUTEX_ALL_ACCESS, FALSE, mutexName); CloseHandle(mutexHandle); renderImage.SaveImage("RayCasted.ppm"); renderImage.ComputeZBufferImage(); renderImage.SaveZImage("RayCastWithZ.ppm"); renderImage.ComputeSampleCountImage(); renderImage.SaveSampleCountImage("SampleCountImage.ppm"); clock->updateDeltaTime(); double time = clock->getdeltaTime(); printf("Time to render ray casting %f", clock->getdeltaTime()); }
void DrawRenderProgressBar() { int rp = renderImage.GetNumRenderedPixels(); int np = renderImage.GetWidth() * renderImage.GetHeight(); if ( rp >= np ) return; float done = (float) rp / (float) np; DrawProgressBar(done); }
void GlutKeyboard(unsigned char key, int x, int y) { switch ( key ) { case 27: // ESC exit(0); break; case ' ': switch ( mode ) { case MODE_READY: mode = MODE_RENDERING; viewMode = VIEWMODE_IMAGE; if ( dofImage ) { Color24 *p = renderImage.GetPixels(); for ( int i=0; i<camera.imgWidth*camera.imgHeight; i++ ) p[i] = dofImage[i]; } else { DrawScene(); glReadPixels( 0, 0, renderImage.GetWidth(), renderImage.GetHeight(), GL_RGB, GL_UNSIGNED_BYTE, renderImage.GetPixels() ); } startTime = time(NULL); BeginRender(); break; case MODE_RENDERING: mode = MODE_READY; StopRender(); glutPostRedisplay(); break; case MODE_RENDER_DONE: mode = MODE_READY; viewMode = VIEWMODE_OPENGL; glutPostRedisplay(); break; } break; case '1': viewAngle1 = viewAngle2 = 0; viewMode = VIEWMODE_OPENGL; glutPostRedisplay(); break; case '2': viewMode = VIEWMODE_IMAGE; glutPostRedisplay(); break; case '3': viewMode = VIEWMODE_Z; glutPostRedisplay(); break; case '4': viewMode = VIEWMODE_SAMPLECOUNT; glutPostRedisplay(); break; case '5': viewMode = VIEWMODE_IRRADCOMP; glutPostRedisplay(); break; } }
void GlutDisplay() { switch ( viewMode ) { case VIEWMODE_OPENGL: DrawScene(); break; case VIEWMODE_IMAGE: glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); glDrawPixels( renderImage.GetWidth(), renderImage.GetHeight(), GL_RGB, GL_UNSIGNED_BYTE, renderImage.GetPixels() ); DrawRenderProgressBar(); break; case VIEWMODE_Z: glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT ); if ( ! renderImage.GetZBufferImage() ) renderImage.ComputeZBufferImage(); glDrawPixels( renderImage.GetWidth(), renderImage.GetHeight(), GL_LUMINANCE, GL_UNSIGNED_BYTE, renderImage.GetZBufferImage() ); break; } glutSwapBuffers(); }
void GlutKeyboard(unsigned char key, int x, int y) { switch ( key ) { case 27: // ESC exit(0); break; case ' ': switch ( mode ) { case MODE_READY: mode = MODE_RENDERING; viewMode = VIEWMODE_IMAGE; DrawScene(); glReadPixels( 0, 0, renderImage.GetWidth(), renderImage.GetHeight(), GL_RGB, GL_UNSIGNED_BYTE, renderImage.GetPixels() ); startTime = time(NULL); BeginRender(); break; case MODE_RENDERING: mode = MODE_READY; StopRender(); glutPostRedisplay(); break; case MODE_RENDER_DONE: mode = MODE_READY; viewMode = VIEWMODE_OPENGL; glutPostRedisplay(); break; } break; case '1': viewAngle1 = viewAngle2 = 0; viewMode = VIEWMODE_OPENGL; glutPostRedisplay(); break; case '2': viewMode = VIEWMODE_IMAGE; glutPostRedisplay(); break; case '3': viewMode = VIEWMODE_Z; glutPostRedisplay(); break; } }