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  1. Qt
  2. QTBUG-97518

Mac, Metal RHI - runtime warnings "UI API called from background thread".

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    • macOS
    • 8e5806b68 (dev), 9579e7581 (6.5), f486d1f4d (dev), e83eb06a7 (6.5), 1d4c34f09 (dev), ee783a17f (6.5)

      Runtime warnings appear when QSGRendererInterface::MetalRhi (or QSGRendererInterface::Unknown which defaults to Metal) is selected.

      UI API called from background thread: -[NSView layer] must be used from main thread only

      I also observe some random crashes in the Metal thread, though in debugging mode only. This is probably related, but not sure.

        1. Screenshot 2021-10-14 at 5.49.19 PM.png
          Screenshot 2021-10-14 at 5.49.19 PM.png
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            sami.shalayel Sami Shalayel
            sergei.nevdakh Sergei Nevdakh
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              Created:
              Updated:
              Resolved: