Hi Pierre-Loup (In reply to comment #96) > The problem with glWaitVideoSync() is that it waits on the CPU Ok, thanks for the information - i guess it's no misassumption thzat we could in a further patch completely scratch that path then?
> The intention behind the change you linked is good, but without the > functionality provided by GLX_EXT_buffer_age you have no guarantees Actually the current approach either forces full repaints or completes the backbuffer from the frontbuffer (we scratched re-using the backbuffer for it's undefined state, plus it will require some (but minor) changes on clipping artificial elements), but the latter has severe performance issues on the MESA stack (so we'll mostly require GLX_EXT_buffer_age there, esp. since the weaker IGPs also typically suffer most from effects like blurring etc.) Many thanks for your assistance on the issue. -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kde-workspace in Ubuntu. https://bugs.launchpad.net/bugs/1069498 Title: KWin shows tearing despite of VSync To manage notifications about this bug go to: https://bugs.launchpad.net/kdebase-workspace/+bug/1069498/+subscriptions -- kubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
