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  1. Qt
  2. QTBUG-107539

wasm: 2dpainting sample not working with webassembly/webgl

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Details

    • Bug
    • Resolution: Cannot Reproduce
    • 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)

    Description

      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. 

       

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        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-108505 QOpenGLPaintDevice/QPainter doesn't paint in webassembly

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          mentioned in

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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

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              mikolaj.boc Mikołaj Boc (Inactive)
              piggestbaby lei chen
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              Dates

                Created:
                Updated:
                Resolved:

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