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  1. Qt
  2. QTBUG-96405

setGraphicsApi :OpenGLRhi. QML application resizing flickers and is sometimes blank

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Details

    • macOS
    • 3cf2c5d63cc4abbe4764e0f8c331d7d32b9caa63 (qtbase/6.2), c1899ca310cbd3a4ce5e8454a01a22638beb8d73 (qtbase/dev)

    Description

      When resizing QML application, the contents flickers and the window can be blank sometimes. It also happens that the window is blank when started.
      (See qtbug96405.zip-video.mov)

      Adding this to main.cpp 

      setGraphicsApi(QSGRendererInterface::OpenGLRhi);

      and QML application is as simple as 

      ApplicationWindow {
    width: 360
    height: 240
    visible: true
    Button
    {
        anchors.centerIn: parent
        text: "Hello my world"
    }
}

      How to reproduce
      Use qtbug96405.zip and try to resize.

      Attachments

        1. qtbug96405.zip
          3 kB
          Nahomi Gröhn
        2. qtbug96405-video.mov
          610 kB
          Nahomi Gröhn

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-99187 Rendering issues in with multiple QQuickWindows on macOS when forcing OpenGL

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-92010 Window content disappear when using Qt Quick with OpenGL backend

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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-89613 [REG 5.15.2 -> 6.0.0] OpenGL backend flickers during window resize on macOS

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-94711 OpenGLRhi graphics API: main application window becomes blank if modal dialog is open

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

          Activity

            People

              lagocs Laszlo Agocs
              nagrohn Nahomi Gröhn (Inactive)
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              2 Vote for this issue
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              10 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: