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  1. Qt
  2. QTBUG-39699

Windows: QQuickWidget is broken with ANGLE

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P0: Blocker
    • Resolution: Done
    • Affects Version/s: 5.3.0, 5.3.1
    • Fix Version/s: 5.3.1
    • Component/s: Quick: Widget
    • Labels:
      None

      Description

      Trying to show a non-multisampled QQuickWidget will always fail on Windows in ANGLE builds.

      This is because QOpenGLFramebufferObject is unable to cope with the samples value of -1 and QQuickWidget is not aware of this limitation. The best fix is to make it more robust by treating such undefined (default) values as 0.

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          is required for

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-39093 Issues to be fixed for Qt 5.3.1

          • 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
          For Gerrit Dashboard: QTBUG-39699
          # Subject Branch Project Status CR V
          87657,1 Handle invalid sample counts gracefully in FBOs 5.3 qt/qtbase Status: ABANDONED +2 0
          87708,2 Handle invalid sample counts gracefully in FBOs 5.3.1 qt/qtbase Status: MERGED +2 0

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              • Assignee:
                lagocs Laszlo Agocs
                Reporter:
                lagocs Laszlo Agocs
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                • Created:
                  Updated:
                  Resolved:

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