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  1. Qt
  2. QTBUG-111498

QPainter::drawImage() broken on big images when OpenGL is used

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    • 55568b8c6 (dev), 84f5dcf4e (6.5) 

      QPainter::drawImage(const QPointF &point, const QImage &image, const QRectF &source)

      is broken on big images when drawing to a QGraphicsView based on QOpenGLWidget.

      Use the attached example with a big image (my samples are > 8192x8192) to trigger the bug.

        1. opengl_bug.tar.gz
          1 kB
        2. paris_france-mercator.jpg
          paris_france-mercator.jpg
          20.04 MB
        3. screenshot-1.png
          screenshot-1.png
          173 kB
        For Gerrit Dashboard: QTBUG-111498
        # Subject Branch Project Status CR V
        463023,4 Increase cache size for QOpenGLTextureCache dev qt/qtbase Status: MERGED +2 0
        463359,2 Increase cache size for QOpenGLTextureCache 6.5 qt/qtbase Status: MERGED +2 0

            kskau Kristoffer Skau
            tumic Martin Tůma
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              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes