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  1. Qt
  2. QTBUG-135635

Rendering glitches with AMD GPU and Vulkan backend

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 6.9
    • WebEngine
    • None

      With QSG_RHI_BACKEND=vulkan set I see severe graphical glitches on canvas elements of sites that use WebGL.

      Some test sites:

      This issue was raised in QTBUG-123607 and it looks like it's probably AMD GPU specific.

      Disabling GBM via QTWEBENGINE_FORCE_USE_GBM=0 resolves this issue, so that might be a lead to follow.

      A jigsaw:

      Caves sample:

      BMark test 4:

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            pvarga Peter Varga
            toofar toofar
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              Updated:

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