On Fri, 2010-08-20 at 12:12 +0200, Tamminen Eero (Nokia-MS/Helsinki) wrote: > Hi, > > ext Robin Burchell wrote: > > Also note that pushing rotation updates every 10ms means you're trying to > > push 100fps > > (1000ms in a second, 1000/10 = 100), which is faster than the eye can > > percieve, > > and also faster than hardware can usually manage. 60fps is usually the upper > > bound, and anything over that is generally not going to be noticed except as > > additional burden on the system. > > Yes, LCD is refreshed at ~60fps so anything over that is just stupid. > Trying to push more frames than the can actually go through the graphics > pipeline can support, can noticeably slow down / stall things. > > If the app is non-fullscreen (= composited), the limit must be much > lower (at least down to 30fps), otherwise compositor won't even get > the boxed XDamage events for all the updates (X "boxes" them together).
I'd say for non-composited you can get 33 FPS at maximum. For composited, 24 FPS if you are lucky. -Kimmo > > > - Eero > _______________________________________________ > maemo-developers mailing list > maemo-developers@maemo.org > https://lists.maemo.org/mailman/listinfo/maemo-developers _______________________________________________ maemo-developers mailing list maemo-developers@maemo.org https://lists.maemo.org/mailman/listinfo/maemo-developers
