On Don, 2012-11-15 at 01:00 +0400, Igor Vagulin wrote: > > I tried glamor acceleration on xf86-video-ati-7.0 & mesa-9.0 & > kernel-3.6.6.
Note that the radeonsi driver in Mesa 9.0 is very immature. Right now you should always use latest Git for radeonsi. > I didn't see any performance improvements in comparison with > modesetting and catch 2 noticeable performance regressions: > - gtkperf bench times worse with glamor enabled (attached) > - firefox/thunderbird window resize seriously lags This is expected at this point. Because the radeonsi shader compiler can't quite handle some of glamor's shaders yet, so far only DRI2 buffer copies are accelerated (so GL / vdpau apps can work at full performance). Everything else is rendered in software to VRAM directly, which is slower than the shadow framebuffer used by xf86-video-modesetting (or -ati with acceleration disabled). We are getting close to making the radeonsi shader compiler handle all the glamor shaders (only support for loops seems missing), so hopefully we can enable full 2D acceleration on SI soon. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ xorg-driver-ati mailing list xorg-driver-ati@lists.x.org http://lists.x.org/mailman/listinfo/xorg-driver-ati