Le 18/04/2011 16:37, Benjamin BELLEC a écrit : > Le 18/04/2011 10:20, Dave Airlie a écrit : >> On Mon, Apr 18, 2011 at 11:00 AM, Dave Airlie <airl...@gmail.com> wrote: >>> From: Dave Airlie <airl...@redhat.com> >>> >>> This is a first step to decreasing the CPU usage, by decreasing how much >>> stuff we pass to the GPU and hence to the kernel CS checker. >>> >>> This adds a check to see if the values we need to write are actually dirty, >>> and avoids writing if they are. However certain register need to always >>> be written so we add a new flag to say which ones should be always written >>> if used. (Note this could probably be done cleaner with a larger >>> refactoring, >>> since I think the CONST_BUFFER_SIZE_PS/VS and CONST_CACHE_PS/VS might >>> be better off as a special state). >>> >>> It also moves the need_bo to be a flags on the register now. >>> >>> With this, a frame of gears goes from emitting 3k dwords to emitting 2k >>> dwords, >>> and I'm sure it could get a lot smaller. >>> >>> TODO: >>> Currently we flush if we have a BO, this could probably be improved. >>> Drop the special flush flag and move the buffer size ps/vs to a special >>> state. >>> >> >> I've pushed a v2 of this to the r600g-dirty branch in my repo with >> another couple of patches on top >> >> the v2 just fixes the evergreen paths. >> >> The other patches cause regressions, but decrease further the amount >> of dwords per frame which should decrease time in the kernel parser, >> just have to figure out the regressions. >> >> Dave. >> _______________________________________________ >> mesa-dev mailing list >> mesa-dev@lists.freedesktop.org >> http://lists.freedesktop.org/mailman/listinfo/mesa-dev > > Hello, > > I just test your branch, it breaks the 3 apps I tested : > > - glxgears, I do not see gears. I can see them quickly by moving the > window at the border of my screen > - nexuiz-sdl : the menu is break. (not tested ingame) > - etqw : the menu is break too. In game, I have "phantom" frame. This is > hard to describe, and I have no screenshots to show you exactly. To sum > up, I have the impression that the frames are mixed. > > I will test your future patches (if any). > > Benjamin
All is now fixed. Also, I have 15.50 % of framerate improvements in nexuiz-sdl on my system (x86 - RV770 - 1680*1050 - No HDR - No sound) _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev