loicm kindly pointed me to his qml magnifier demo which should help expose the FBO performance issue and clarify where the problem is:
https://developer.ubuntu.com/en/blog/2015/04/28/magnifying-glass-qml/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1550371 Title: Webbrowser slow scroll and artifact rendering on freiza To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1550371/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs