glCopyTexSubImage isn't failing (it reports no errors), just falling back to slower software rasterization. So that should be visually correct, just slower. It should be unrelated to this bug.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583088 Title: Randomly corrupt characters in text rendering, mainly in Unity8 window titlebars To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtmir/+bug/1583088/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
