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Opengl under qml release resources

  • Hi!
    I'm planning to write some OpenGL demos with Qt and QML, but I did not find proper way to release my custom OpenGL resources. In openglunderqml example cleanup should trigger when QQuickWindow emit signal "sceneGraphInvalidated", but it seems QQuickItem destroyed before receive this signal and not release OpenGL resources.
    There is another way to do this?

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