Render Qt scene with third engine,how manage opengl render state

  • i use Qt to make a game scene editor.the Qt QGraphicScene looks good,but my scene object need specific format animation, so i using third render engine to render it.

    my trouble is, the third render engine managing opengl render state inside,but Qt some time change render state also(e.g. after drawForeground).so how can i managing opengl state when this situation.

    Qt version is 5.4 RC.

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