#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QVBoxLayout>
#include <QtOpenGL/QGLWidget>
#include <iostream>

int main(int argc, char *argv[])
{
	for(int i=0; i<10000; ++i)
	{
		std::cout << "iter: " << i << std::endl;

		QApplication app(argc, argv);

		QMainWindow main_window;
		main_window.setGeometry(500, 500, 500, 300);

		// Make central widget for main window
		QWidget* central_widget = new QWidget(&main_window);
		central_widget->setLayout(new QVBoxLayout(central_widget));
		main_window.setCentralWidget(central_widget);


		QGLWidget* gl_widget = new QGLWidget(central_widget);
		central_widget->layout()->addWidget(gl_widget);

		main_window.show();
	}

	return 0;
}