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  1. Qt
  2. QTBUG-111166

Memory leak when run openGL in composition example built for WASM

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    • Icon: Bug Bug
    • Resolution: Out of scope
    • Icon: P2: Important P2: Important
    • None
    • 6.4.2
    • Examples and Demos
    • None
    • MacOS 13.1 (22C65)
      Qt Creator 9.0.1
    • WebAssembly

      Steps to reproduce:

      1. Run example project for WASM https://doc.qt.io/qt-6/qtwidgets-painting-composition-example.html 
      2. When it's run in the browser (firefox) click 'Use OpenGL'.
      3. Launch 'Activity Monitor' and observe firefox app in memory tab.

       

      Expected: App should work as for desktop.

       

      Actual: OpenGL cannot be used, plus firefox starts to consume a huge amount of memory (1 GB/s). 

       

      Reproducibility: 100%

        1. Screen Recording 2023-02-14 at 20.33.39.mov
          3.95 MB
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            sorvig Morten Sørvig
            lkos Łukasz Kosiorowski
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              Created:
              Updated:
              Resolved:

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