My monitor supports 60 FPS. The Nvidia binary is pretty flawless if I disable vsync (albiet the tearing) but enabling vsync in effects makes everything look terrible, choppy and effects go down the drain. It's really a simple switch. Vsync off and everything is near perfect. Vsync on and everything goes to hell somewhat. Could this really be a driver bug and am I the only one experiencing it? On Tuesday, August 14, 2012 02:35:09 AM Kevin Kofler wrote: > Victor B. Gonzalez wrote: > > I got the Nvidia binary 304.32 on KDE 4.9.00 on Fedora 17. KDE desktop > > effects run pretty flawless at 100+ FPS no matter what I do **but** the > > second I enable vsync on in desktop effect settings, FPS can drop to a > > choppy 30FPS. Why does this happen? > > > > Not a solid 30 FPS but a choppy 30 FPS. > > Limiting the framerate to ~30 FPS (i.e. what your screen can actually > display) is exactly what vsync is for. Now why it's choppy, I don't know. It > might be that the effects are not syncing with vsync, so the FPS varies > depending on when vsync hits compared to what the rendering thread is > doing, or it might just simply be a driver bug (proprietary drivers are > always very buggy, try Nouveau!). (It could be a combination, like the > driver failing to tell clients such as KWin that vsync is in use, which > would of course be a driver bug.) > > Kevin Kofler > > _______________________________________________ > kde mailing list > kde@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/kde > New to KDE4? - get help from http://userbase.kde.org -- Best Regards Victor B. Gonzalez _______________________________________________ kde mailing list kde@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kde New to KDE4? - get help from http://userbase.kde.org
