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  1. Qt
  2. QTBUG-106335

Implement hardware accelerated QPainterPath for Qt Quick shapes

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    • Suggestion
    • Resolution: Fixed
    • P2: Important
    • None
    • None
    • Quick: Shapes
    • None
    • All

    Description

      Single-colored shapes are often used for small, scalable icons in Qt Design Studio. To improve performance of these, we can implement a GPU-based shape renderer based on Loop-Blinn. Note that any cubic curves have to be approximated by quadratic curves.

      Article on implementation with antialiasing here: https://medium.com/@evanwallace/easy-scalable-text-rendering-on-the-gpu-c3f4d782c5ac

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          relates to

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-104122 Anti-aliased curve rendering for shapes

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-106529 QtQuick.Shapes docs lacks mentionning how to make it smooth

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
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              esabraha Eskil Abrahamsen Blomfeldt
              esabraha Eskil Abrahamsen Blomfeldt
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                Resolved:

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