On Sat, Jan 7, 2017 at 12:42 PM, Michel Dänzer <mic...@daenzer.net> wrote: > On 06/01/17 05:50 AM, Andy Furniss wrote: >> Christian König wrote: >>> Am 04.01.2017 um 18:13 schrieb Nayan Deshmukh: >>>> dri3 allows us to send handle of a texture directly to X >>>> so this patch allows a state tracker to directly send its >>>> texture to X to be used as back buffer and avoids extra >>>> copying >>>> >>>> v2: use clip width/height to display a portion of the surface >>>> v3: remove redundant variables, fix wrapping, rename variables >>>> handle vaapi path >>>> v3.1: we need clip_width/height for every frame so we don't need >>>> to maintain it for each buffer instead use a global variable >>>> v4: In case of single gpu we can cache the buffers as applications >>>> use constant number of buffer and we can avoid calls to present >>>> extension for every frame >>>> >>>> Suggested-by: Leo Liu <leo....@amd.com> >>>> Signed-off-by: Nayan Deshmukh <nayan26deshm...@gmail.com> >>> >>> Acked-by: Christian König <christian.koe...@amd.com>. >>> >>> Andy & Leo did you guys already had a chance to test it? To me it looks >>> like this should work now. >> >> Well there is still the tearing issue from loosing pageflips. >> >> Maybe different GPUs don't see this. I can fix by forcing perf but I >> just tested dal and it's not even fixable running that. >> >> I guess that may not count as an issue with these patches as such if >> xorg/xf86-video-amdgpu can work around, but it's a very noticeable >> regression until that happens. > > Somebody should track down why the buffers sent for presentation in this > case don't use the same tiling parameters as buffers used for GL via DRI3. > I can look into this, but I don't know where to look exactly. Can you give some pointers to get started.
Regards, Nayan > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
