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  1. Qt
  2. QTBUG-107539

wasm: 2dpainting sample not working with webassembly/webgl

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: P2: Important P2: Important
    • 6.4.1, 6.5.0 Beta3
    • 6.4.0, 6.4.1
    • GUI: OpenGL
    • None
    • OS: windows10
      Browser: Firefox  107 and Chrome 100
      Video Card: NVIDIA GeForce GTX 960
    • WebAssembly
    • e487b07e18 (qt/qtbase/dev) e487b07e18 (qt/tqtc-qtbase/dev) 81252ea92a (qt/qtbase/6.4) 81252ea92a (qt/tqtc-qtbase/6.4) 81252ea92a (qt/tqtc-qtbase/6.4.1) 81252ea92a (qt/tqtc-qtbase/tqtc/qtinsight-6.4)

      The 2D Painting example shows how QPainter and QGLWidget can be used together.

      It only shows black screen in Chrome or Firefox when compling to wasm.

      It only shows the right half part of QGLWidget  in  6.4.1. 

       

        1. image-2022-11-23-13-59-42-306.png
          image-2022-11-23-13-59-42-306.png
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        For Gerrit Dashboard: QTBUG-107539
        # Subject Branch Project Status CR V
        439709,1 Do not use client-side data pointers in qopenglpaintengine 6.4.0 qt/qtbase Status: NEW +2 0
        438614,4 Do not use client-side data pointers in qopenglpaintengine dev qt/qtbase Status: MERGED +2 0
        439708,2 Do not use client-side data pointers in qopenglpaintengine 6.4 qt/qtbase Status: MERGED +2 0

            mikolaj.boc Mikołaj Boc (Inactive)
            piggestbaby lei chen
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              Created:
              Updated:
              Resolved:

                There is 1 open Gerrit change