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  1. Qt
  2. QTBUG-6555

Raster graphics system on Mac: Widget resizing in Designer is slow

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Details

    • Bug
    • Resolution: Cannot Reproduce
    • P2: Important
    • None
    • 4.6.0
    • GUI: Painting
    • None
    • macOS

    Description

      Reproduced in designer: Create a widget, add a listview, resize it.
      The gui then updates at around 3-4 fps. Shark shows the main thread spends a lot of time in _CGSSynchronizeWithBackingStore, via QRasterWindowSurface::flush()

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            sorvig Morten Sørvig
            sorvig Morten Sørvig
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            Dates

              Created:
              Updated:
              Resolved:

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