On Sam, 2012-02-04 at 23:14 -0500, Dave Witbrodt wrote: > Kudos and thanks to Michel Dänzer for one or both of these: > > 36c19067 Fix vline range calculations. > bb0e1531 Check for empty vline ranges after clamping. > > At first, I thought I was imagining things -- everything seemed > faster after building a new xf86-video-ati. My previous build had been > > 13b3aed4 EXA/r6xx+: fix rop setting for overlapping copies > > which is the commit just before the latest ones, so my new build only > involved the two commits mentioned above. (I also left the other parts > of the X stack unchanged: libdrm, xorg-server, and mesa. My kernel is > 3.2.4 + many cherry-picks from drm-fixes and drm-next, but when I built > it today there was no immediate effect; the speed-up occurred only after > the rebuild of the radeon driver.) > > The 'torcs' game frame rate always varies over a wide range while > playing -- normally 20 to 45 fps on my HD 5750 card, with occasional > spikes into the 50' -- but now mostly stays well above 40 fps, usually > in the upper 50's. Since my monitor's refresh rate is only 60 Hz, the > performance is now close to a level such that further improvements would > make no visible difference (for me). > > The 'prboom-plus' game has no fps indicator, but anyone could perceive > the difference between the old and new radeon driver builds. This is > especially true if I maximize the view (hiding the dashboard) and play > at fullscreen 1920x1200. It's like I bought a new video card! This > particular program is now as responsive as it was with my NVidia GeForce > 7950 using the proprietary driver. (That card died in the summer of > 2009, and I have been using only ATI/AMD cards since... and those only > with the open source radeon driver.) > > > Thanks again,
You're very welcome, and although I'm not 100% sure why these make such a dramatic difference for you, I'm glad anyway. :) -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
