How can I use glutInitDisplayMode() in a QGLWidget, so I can get anti-aliasing?

StackOverflow https://stackoverflow.com/questions/22961926

Question

I have a QGLWidget in which openGL objects are created. I want to get better anti-aliasing than I have now by using glutInitDisplayMode(GLUT_DOUBLE | GLUT_MULTISAMPLE | GLUT_DEPTH). How can I impliment this function (in python)?

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Solution

Qt is an application framework that implements the GUI event loop. GLUT is an application, that implements the GUI event loop. There can be only one GUI event loop in a process. Hence Qt and GLUT can not be mixed.

Just configure QGLWidget with multisampling. Create a QGLFormat instance, call setSampleBuffers(true) on it, and pass it to the QGLWidget constructor.

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