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  1. Qt
  2. QTBUG-59070

QPainter on QOpenGLWidget doesnt work on older Intel Graphics

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: P2: Important P2: Important
    • None
    • 5.8.0
    • GUI: OpenGL
    • None
    • Windows 10 64 Bit. Tested systems: Dell Optiplex 3010 (i5-3470) and Surface Pro 3 (i5-4300U)

      When drawing a very simple shape using QPainter on a QOpenGLWidget, both the Intel i5-3470 and the Intel i5-4300U do not show anything when requesting an OpenGL-Context Version 3 or above.

      When requesting a GL 2.0 context, the shape is shown

      (Commenting line 13 of main.cpp of attached example)

      Both graphics support OpenGL 4.3 and run a rather complex OpenGL scene without problems.

        1. qpaintertest.zip
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            lagocs Laszlo Agocs
            axeljaeger Axel Jäger
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              Created:
              Updated:
              Resolved:

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