Problem embedding Qt3DWIndow using createWindowContainer in a MainWindow



  • Hi Everybody,
    I would like to use Qt3D in one of my projects but I am a bit stuck with stability problems.
    The compiler I am using is MSVC2015 64 bit and I have tried Qt 5.8.0 and 5.9.0 beta and I have different errors when compiling a simple application in which I have embedded a 3D widget using this code in the MainWIndow constructor generated by QtCreator for an application managed by QtDesigner:

    ui->setupUi(this);
        window3d=new Qt3DExtras::Qt3DWindow();
        ui->tab->layout()->addWidget(QWidget::createWindowContainer(window3d));
    

    I have added no additional code.
    The application crashes randomly mostly when closing it and without any message in Qt 5.8.0 and ,I have the compile-time error "QOpenGLContext::swapBuffers() called with non-exposed window, behavior is undefined" with Qt 5.9.0 beta.

    This happens both in debug an release mode.

    Any hint on how to "stabilize" my application or of what am I doing wrong?

    Thanks in advance for your help,

    Pier


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