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  1. Qt
  2. QTBUG-3606

QGraphicsView performance problems when using a OpenGL viewport and lots of selected QGraphicsRectItems

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Details

    • Bug
    • Resolution: Out of scope
    • P2: Important
    • Some future release
    • 4.4.3
    • GUI: Painting
    • None

    Description

      QGraphicsView performance may be poor when using a OpenGL viewport and lots (around 50000, depending on the system) of selected QGraphicsRectItems.

      The same scene renders quite fast when using the raster engine with no OpenGL viewport.

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            sletta Gunnar Sletta
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            Dates

              Created:
              Updated:
              Resolved:

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