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  1. Qt
  2. QTBUG-96222

Some particular animations are too slow in vulkan backend.

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P2: Important P2: Important
    • 6.4.0 Beta1
    • 6.0.0 Beta4
    • GUI: Vulkan
    • None
    • Linux/Wayland
    • cb6b2bcee2 (qt/qtwayland/dev) cb6b2bcee2 (qt/tqtc-qtwayland/dev)

      I verified qtwayland clients with vulkan rendering backend.

      But some particular animations are too slow on vulkan backend.

       

      I tried to run the below example on vulkan backend (only client side).

      According to my analysis, using SequentialAnimation and ParallelAnimation at the same time on vulkan backend is a problem. In other words, the animation is too slow.

       

       

      WAYLAND_DISPLAY=wayland-1 QSG_RHI_BACKEND=vulkan QT_VULKAN_LIB=/Downloads/1.2.182.0/x86_64/lib/libvulkan.so.1 QT_QPA_PLATFORM=wayland ./animation

       

       

       

       

        1. animation.qml
          1 kB
        2. face-smile.png
          face-smile.png
          15 kB
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            lagocs Laszlo Agocs
            cathy.park YoungSun Park
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              Created:
              Updated:
              Resolved:

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