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  1. Qt
  2. QTBUG-63505

Anti-aliasing stops working for QOpenGLWidget if the parent of the QOpenGLWidget is changed and the former parent is shown

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      Description

      A parent-changing maneuver reveals the faulty behavior. Qt 5.10 alpha seems to fix this.

      Steps to reproduce:

      • Run the sample attached
      • Observe and compare the red lines
        EXPECTED: Anti-aliasing should be applied to the lines in both QOpenGLWidgets
        ACTUAL: Anti-aliasing is not applied to the QOpenGLWidget that has a visible former parent

        Attachments

        1. qtbug63505.zip
          1 kB
          Risto Sipola
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            Assignee:
            lagocs Laszlo Agocs
            Reporter:
            risto.sipola Risto Sipola
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              Dates

              Created:
              Updated:
              Resolved:

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