On 03/06/2015 01:58 PM, Chris Wilson wrote: > In order to facilitate the concurrency offered by triple buffering and to > offset the latency induced by swapping via an external process, which > may incur extra rendering itself, only throttle to the previous frame > and not the last. The second issue that mostly affects swap benchmarks, > but also can incur jitter in the throttling, is that the throttle bo is > closer to the next SwapBuffers rather than immediately after the previous > SwapBuffers. Throttling to the previous frame doubles the maximum possible > latency at the benefit of improving throughput and reducing jitter. > > v2: Rename "first_post_swapbuffer" batches array to a plain > throttle_batch[] as the pluralisation was contorting the name and not > making it clear as to whether it was the first batch or first_post_swap > batch. Not least of which was that not all throttle points are SwapBuffers. > > Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> > Cc: Daniel Vetter <daniel.vet...@ffwll.ch> > Cc: Kenneth Graunke <kenn...@whitecape.org> > Cc: Ben Widawsky <b...@bwidawsk.net> > Cc: Kristian Høgsberg <k...@bitplanet.net> > Cc: Chad Versace <chad.vers...@linux.intel.com>
Both patches Reviewed-by: Chad Versace <chad.vers...@intel.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
