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  1. Qt
  2. QTBUG-116857

[Windows] [D3D11] Calling SetWindowDisplayAffinity() breaks scene geometry

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    • Windows

      Calling SetWindowDisplayAffinity() with any flag on a main window breaks the scene geometry.
      Relevant only for D3D11 RHI backend (default on Windows), not reproducible with OpenGL RHI.

       

      See simple demo project WindowAffinity.zip

      Steps to reproduce:
      1. Build and run sample project
      2. Push the button
      3. Observe the window

       

       

      Actual results: all Quick scene is shifted at the top left, visual artifacts, etc
      Expected results: no side effects

        1. image-2023-09-07-18-50-47-416.png
          image-2023-09-07-18-50-47-416.png
          5 kB
        2. VID_20230907_183614.mp4
          8.94 MB
        3. WindowAffinity.zip
          2 kB
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            qt.team.graphics.and.multimedia Qt Graphics Team
            studiosus Vladimir Belyavsky
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              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes