#include #include #include int main(int argc, char** argv) { QSurfaceFormat format; format.setSwapBehavior(QSurfaceFormat::DoubleBuffer); format.setSwapInterval(0); QSurfaceFormat::setDefaultFormat(format); QApplication app(argc, argv); MainWindow window = MainWindow(); window.show(); bool running = true; while (running) { app.processEvents(); window.graphics_widget->update(); } }