int main( int argc, char ** argv )
{
    Q_INIT_RESOURCE(texture);
    QApplication a( argc, argv );
    MainWindow mw;
    mw.showMaximized();
    QMetaObject::invokeMethod((QObject) (mw.glwidget), "initializeGL", Qt::QueuedConnection);
//    QMetaObject::invokeMethod(viewer.rootObject(), "init", Qt::QueuedConnection);
    return a.exec();
}