// This display function is called once pr frame void GPUVolRTV0::display(DrawEnv *pEnv) { // was in init before. As OpenSG resets those they have to be // restored to the required values glEnable(GL_CULL_FACE); glClearColor(0.0, 0.0, 0.0, 0); glDisable(GL_LIGHTING); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); // end static float rotate = 0; rotate += 0.25; // resize(WINDOW_SIZE,WINDOW_SIZE); resize(pEnv->getPixelWidth(), pEnv->getPixelHeight()); enable_renderbuffers(); glLoadIdentity(); glTranslatef(0,0,-2.25); glRotatef(rotate,0,1,1); glTranslatef(-0.5,-0.5,-0.5); // center the texturecube glGetFloatv(GL_MODELVIEW_MATRIX, mModelView); glGetFloatv(GL_PROJECTION_MATRIX, mProj); render_backface(); raycasting_pass(); disable_renderbuffers(); render_buffer_to_screen(pEnv); // glutSwapBuffers(); }
void cgtk::display() { //static float rotate=0; //rotate += 0.25; //resize(WINDOW_SIZE,WINDOW_SIZE); //enable_renderbuffers(); ////glMatrixMode(GL_MODELVIEW); ////glPushMatrix(); //glLoadIdentity(); //glTranslatef(0,0,-2.25); //glRotatef(rotate,0,1,1); //glTranslatef(-0.5,-0.5,-0.5); //render_backface(); //raycasting_pass(); //disable_renderbuffers(); //render_buffer_to_screen(); ////glutSwapBuffers(); //float *b; //b=new float[6]; //for(int i=0;i<6;i+=2) //{ // b[i]=0; // b[i+1]=2; //} static float rotate=0; rotate += 0.25; //resize(WINDOW_SIZE_W,WINDOW_SIZE_H); enable_renderbuffers(); //glMatrixMode(GL_MODELVIEW); //glPushMatrix(); //glLoadIdentity(); //glTranslatef(0,0,-2.25); //glRotatef(rotate,0,1,1); //glTranslatef(-0.5,-0.5,-0.5); render_backface(); raycasting_pass(); //disable_renderbuffers(); //render_buffer_to_screen(); //glutSwapBuffers(); //glMatrixMode(GL_MODELVIEW); //glLoadIdentity(); //glPopMatrix(); //delete [] b; }
/** * @brief ParticleSystem Render */ bool ParticleSystem::Render(void) { viewAspect = wWidth / static_cast<float>(wHeight); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); projMX = glm::perspective(static_cast<float>(fovY), viewAspect, 0.01f, 100.0f); // -------------------------------------------------- // draw to FBO // -------------------------------------------------- enable_renderbuffers(); drawToFBO(); disable_renderbuffers(); // -------------------------------------------------- // draw fullscreen quad // -------------------------------------------------- drawQuad(); PostRedisplay(); return false; }