A Paste by godecho

void SetOrthoProjection() {     //glPushAttrib(GL_DEPTH_TEST);     //glDisable(GL_DEPTH_TEST);    // Turn depth testing off     glMatrixMode(GL_PROJECTION);                    // Switch to projection mode     glPushMatrix();                                    // Save previous matrix which contains the settings for the perspective projection     glLoadIdentity();     glOrtho(0, width, 0, height, -1, 1);     glMatrixMode(GL_MODELVIEW); } void ResetPersProjection() {     glMatrixMode(GL_PROJECTION);     glPopMatrix();                                    // Pop the stack     glMatrixMode(GL_MODELVIEW);                        // Put us back in modelview mode                                                 //glEnable(GL_DEPTH_TEST);    // Turn depth testing back on     //glPopAttrib(); }