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  1. Qt
  2. QTBUG-77032

Application window flickers if it has QOpenGLWidget child

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Duplicate
    • Affects Version/s: 5.9, 5.13
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      1) Qt 5.13.0, macOS 10.14.15, Intel Iris 1536 MB
      2) Qt 5.9.7, Linux 4.12.14, Intel Corporation HD Graphics 620 (rev 02)
      3) Qt 5.9.7, Linux 4.12.14, Mesa llvmpipe 18.3.2
    • Platform/s:
      Linux/X11, macOS

      Description

      I've found that if QMainWindow has QOpenGLWidget as its child then window components flickers while the window is resized.

      main.cpp is a minimal example showing this problem. Please find video and screenshots made with this simple application on macOS in attachment.

        Attachments

        1. IMG_0311.jpg
          IMG_0311.jpg
          244 kB
        2. IMG_0336.jpg
          IMG_0336.jpg
          289 kB
        3. main.cpp
          0.5 kB
        4. qopenglwidget.mov
          7.36 MB

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              People

              • Assignee:
                lagocs Laszlo Agocs
                Reporter:
                hombit Konstantin Malanchev
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                Dates

                • Created:
                  Updated:
                  Resolved:

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