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  1. Qt
  2. QTBUG-135153

Soft shadows perform very poorly with Vulkan on Adreno GPUs

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 6.8.1, 6.9.0 RC
    • Quick: 3D
    • None

    Description

      An application with soft shadows on Android with an Adreno GPU slows down by a factor of more than 50 when switching from OpenGL to Vulkan. This does not happen with a Mali GPU.

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          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-135052 [QtQuick3dXr] Vulkan performance much worse compared to OpenGLES on Quest 3

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
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              qt.team.graphics.and.multimedia Qt Graphics Team
              tvete Paul Olav Tvete
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              Dates

                Created:
                Updated:

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