Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-59360

qt_getCanonicalFontNames takes a huge amount of time

XMLWordPrintable

    • 835c3e94f6089751421a19008d442faec9649ed8 (qt/qtbase/5.12) 

      Text {
    text: "foobar"
}

      Profiling this code on Windows shows that qt_getCanonicalFontNames takes about 60% of the total execution time. Specifically, 48% was spent in GetFontData. This appears to be the single biggest regression for QML compared to 5.6.

        For Gerrit Dashboard: QTBUG-59360
        # Subject Branch Project Status CR V
        260354,3 Only call addFontToDatabase once per family,style 5.12 qt/qtbase Status: MERGED +2 0

            allan.jensen Allan Sandfeld Jensen
            erikv Erik Verbruggen
            Votes:
            11 Vote for this issue
            Watchers:
            21 Start watching this issue

              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes