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  1. Qt
  2. QTBUG-119540

[Reg 6.2.10->6.5.3][Win] Qt WebEngine hangs with software OpenGL

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Details

    • Bug
    • Resolution: Moved
    • P1: Critical
    • None
    • 6.5.3, 6.5.5, 6.6.1, 6.6.3
    • WebEngine
    • Windows 10 22H2, MSVC 2019 x64
    • Windows

    Description

      Steps to reproduce

      From the commit message at https://github.com/qt/qtwebengine/commit/c7d46325e635d1fb4482b53dce866e2c55026a7e :

      1. Load the WebEngine Widgets Simple Browser Example (https://doc.qt.io/qt-6/qtwebengine-webenginewidgets-simplebrowser-example.html )

       

      2. Add this to the top of main():

      qputenv("QT_OPENGL", "software");
      qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--enable-webgl-software-rendering");

       

      3. Build and run the example

       

      Outcomes

      The application freezes indefinitely at startup

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              qt_webengine_team Qt WebEngine Team
              skoh-qt Sze Howe Koh
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              Dates

                Created:
                Updated:
                Resolved:

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