[Bug 111099] Green video when playing a hevc video with vdpau

[Bug 111099] Green video when playing a hevc video with vdpau

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111099

            Bug ID: 111099
           Summary: Green video when playing a hevc video with vdpau
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: pierre-eric.pelloux-prayer@amd.com
        QA Contact: dri-devel@lists.freedesktop.org

On AMD hardware (at least Polaris and Raven), playing some videos with vdpau
can result in a green screen.

Steps to reproduce:
- download https://www.libde265.org/hevc-bitstreams/bbb-1920x1080-cfg02.mkv
- use x11 (ie not wayland)
- mpv --vo=opengl --hwdec=vdpau bbb-1920x1080-cfg02.mkv

This is a regression that started with commit:
cb446dc0fa5c68f681108f4613560543aa4cf553 (from MR
https://gitlab.freedesktop.org/mesa/mesa/merge_requests/1226)

Reverting the commits from this MR on master fixes the issue.

AFAIU the problem is this line:

   /* do we have different screen objects ? */
   if (res->screen != st->pipe->screen) {
      _mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV")

Before this MR the screen objects were identical but now there are different.

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[Bug 111099] Green video when playing a hevc video with vdpau

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https://bugs.freedesktop.org/show_bug.cgi?id=111099

Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |christian.koenig@amd.com,
                   |                            |michel@daenzer.net,
                   |                            |tom.stdenis@amd.com
           Keywords|                            |bisected, regression

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[Bug 111099] Green video when playing a hevc video with vdpau

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111099

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|michel@daenzer.net          |

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
Thanks Pierre for tracking this down and for filing the report. Removing myself
from the CC list, the one copy of updates I get from the dri-devel mailing list
is enough. :)

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[Bug 111099] Green video when playing a hevc video with vdpau

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111099

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Created attachment 144748
  --> https://bugs.freedesktop.org/attachment.cgi?id=144748&action=edit
Proof-of-concept fix

Does this help for you?

Note that I can only reproduce this if I artificially disable
st_vdpau_video/output_surface_dma_buf(). Might be worth looking into why those
aren't working for you.

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[Bug 111099] Green video when playing a hevc video with vdpau

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111099

--- Comment #3 from Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> ---
(In reply to Michel Dänzer from comment #2)
> Created attachment 144748 [details] [review]
> Proof-of-concept fix
> 
> Does this help for you?
> 

Yes the patch fixes the issue.

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[Bug 111099] Green video when playing a hevc video with vdpau

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111099

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Michel Dänzer <michel@daenzer.net> ---
Thanks for the report, fixed by
https://gitlab.freedesktop.org/mesa/mesa/merge_requests/1364 .

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