On Sat, Jan 31, 2009 at 3:30 AM, John Tapsell <johnf...@gmail.com> wrote: > 2009/1/31 Bryce Harrington <br...@canonical.com>: >> On Fri, Jan 30, 2009 at 01:29:49PM -0800, Eric Anholt wrote: >>> > $ glxgears >>> > Failed to initialize TTM buffer manager. Falling back to classic. >>> > 300 frames in 5.0 seconds = 59.884 FPS >>> > 299 frames in 5.0 seconds = 59.621 FPS >>> > 300 frames in 5.0 seconds = 59.818 FPS >>> >>> glxgears is not a benchmark. >>> >>> We sync to vblank because running glxgears at 1000fps is dumb. >> >> I am going to go out on a limb and guess we're going to see a crapload >> of reports of "performance regression" due to reduced glxgears frame >> rates. > > What was the purpose in this change? I have never heard a user > complain that glxgears is running too fast, and that they want it to > vsync. What's the use case of this change exactly?
vsync has nothing to do with "glxgears is too fast", but it avoids tearing in real apps. _______________________________________________ xorg mailing list xorg@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/xorg
