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Are children of QOpenGLWidget rendered directly in QOpenGLWidget's frame buffer?



  • Are children of QOpenGLWidget rendered directly in QOpenGLWidget's frame buffer? Or are they rendered to raster images that are then send to the gpu to place them in the framebuffer?

    I would like to know because I am building an application it one main QOpenGLWidget as a window, which is the parent of all other widgets. In some of these widgets I want to use OpenGL in the paint method. I am not seeing the correct result here, so now i am wondering if this is even possible?


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