Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

hi, I haven't done enough testing to have a full understanding of the issue, but it seems there could be a regression with gallium nine. One user is reporting on irc huge slowdowns with d3d8 games (using the d3d8to9 wrapper) when using vsync. Reverting fixes the issues. I don't know

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

If there is no other feedback, I'll push this tomorrow. Marek On Mon, Apr 29, 2019 at 6:12 PM Marek Olšák wrote: > This patch might improve performance, because less submitted unfinished > work means less used memory by the unfinished work. > > Marek > > On Mon, Apr 29, 2019 at 11:07 AM Michel

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

This patch might improve performance, because less submitted unfinished work means less used memory by the unfinished work. Marek On Mon, Apr 29, 2019 at 11:07 AM Michel Dänzer wrote: > On 2019-04-27 6:13 p.m., Rob Clark wrote: > > On Thu, Apr 25, 2019 at 7:06 PM Marek Olšák wrote: > >> > >>

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On 2019-04-27 6:13 p.m., Rob Clark wrote: > On Thu, Apr 25, 2019 at 7:06 PM Marek Olšák wrote: >> >> From: Marek Olšák >> >> It's done by: >> - decrease the number of frames in flight by 1 >> - flush before throttling in SwapBuffers >> (instead of wait-then-flush, do flush-then-wait) >> >> The

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

The input lag is maxframes*1000/fps ms. For 10 fps and 2 frames, the lag is 200 ms. You might also say that it's the amount of time it will take the GPU to catch up with the CPU after fence_finish returns. Hopefully that clears up performance concerns. Marek On Sat, Apr 27, 2019, 4:07 PM Axel

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On 27/04/2019 21:02, Rob Clark wrote: On Sat, Apr 27, 2019 at 9:52 AM Axel Davy wrote: On 27/04/2019 18:13, Rob Clark wrote: On Thu, Apr 25, 2019 at 7:06 PM Marek Olšák wrote: From: Marek Olšák It's done by: - decrease the number of frames in flight by 1 - flush before throttling in

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On Sat, Apr 27, 2019 at 9:52 AM Axel Davy wrote: > > On 27/04/2019 18:13, Rob Clark wrote: > > On Thu, Apr 25, 2019 at 7:06 PM Marek Olšák wrote: > >> From: Marek Olšák > >> > >> It's done by: > >> - decrease the number of frames in flight by 1 > >> - flush before throttling in SwapBuffers > >>

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On 27/04/2019 18:13, Rob Clark wrote: On Thu, Apr 25, 2019 at 7:06 PM Marek Olšák wrote: From: Marek Olšák It's done by: - decrease the number of frames in flight by 1 - flush before throttling in SwapBuffers (instead of wait-then-flush, do flush-then-wait) The improvement is apparent

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On Thu, Apr 25, 2019 at 7:06 PM Marek Olšák wrote: > > From: Marek Olšák > > It's done by: > - decrease the number of frames in flight by 1 > - flush before throttling in SwapBuffers > (instead of wait-then-flush, do flush-then-wait) > > The improvement is apparent with Unigine Heaven. > >

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On 26/04/2019 20:40, Marek Olšák wrote: On Fri, Apr 26, 2019 at 12:56 PM Axel Davy > wrote: On 26/04/2019 10:08, Michel Dänzer wrote: > On 2019-04-26 4:06 a.m., Marek Olšák wrote: >> From: Marek Olšák mailto:marek.ol...@amd.com>> >> >> It's done

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On Fri, Apr 26, 2019 at 12:56 PM Axel Davy wrote: > On 26/04/2019 10:08, Michel Dänzer wrote: > > On 2019-04-26 4:06 a.m., Marek Olšák wrote: > >> From: Marek Olšák > >> > >> It's done by: > >> - decrease the number of frames in flight by 1 > >> - flush before throttling in SwapBuffers > >>

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On Fri, Apr 26, 2019 at 4:08 AM Michel Dänzer wrote: > On 2019-04-26 4:06 a.m., Marek Olšák wrote: > > From: Marek Olšák > > > > It's done by: > > - decrease the number of frames in flight by 1 > > - flush before throttling in SwapBuffers > > (instead of wait-then-flush, do flush-then-wait) >

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On 26/04/2019 10:08, Michel Dänzer wrote: On 2019-04-26 4:06 a.m., Marek Olšák wrote: From: Marek Olšák It's done by: - decrease the number of frames in flight by 1 - flush before throttling in SwapBuffers (instead of wait-then-flush, do flush-then-wait) The improvement is apparent with

Re: [Mesa-dev] [PATCH] st/dri: decrease input lag by syncing sooner in SwapBuffers

On 2019-04-26 4:06 a.m., Marek Olšák wrote: > From: Marek Olšák > > It's done by: > - decrease the number of frames in flight by 1 > - flush before throttling in SwapBuffers > (instead of wait-then-flush, do flush-then-wait) > > The improvement is apparent with Unigine Heaven. > >