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  1. Qt
  2. QTBUG-77032

Application window flickers if it has QOpenGLWidget child

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Details

    • Bug
    • Resolution: Duplicate
    • Not Evaluated
    • None
    • 5.9, 5.13
    • GUI: OpenGL, Widgets: Main Window
    • None
    • 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
    • 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

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-46634 QOpenGLWidget causes flicker when resizing parent window

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open
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          Activity

            People

              lagocs Laszlo Agocs
              hombit Konstantin Malanchev
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              Dates

                Created:
                Updated:
                Resolved:

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