[Bug 49295] New: artifacts in prboom on NV86

[Bug 49295] New: artifacts in prboom on NV86

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=49295

             Bug #: 49295
           Summary: artifacts in prboom on NV86
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: svenjoac-Mmb7MZpHnFY@public.gmane.org


Created attachment 60784
  --> https://bugs.freedesktop.org/attachment.cgi?id=60784
Doom 1, Episode 1, Map 4 under prboom 2.5.0

Under prboom 2.5.0 with OpenGL renderer, I'm seeing bad artifacts:

- Walls are very bright, sometimes transparent.  In some cases,
  the texture disappears completely and is replaced by a solid color.

- A "hall of mirrors effect" as described in
http://doomwiki.org/wiki/Hall_of_mirrors_effect.

I'm attaching a screenshot from Doom 1, Episode 1, Map 4 shortly after the
start.

There are no error messages in the kernel logs, and other 3D games (including
doomsday, another Doom source port) are unaffected.


Hardware is a GeForce 8500 GT, software stack as follows:

Mesa from git commit 4c15a77f27
Kernel 3.4.0-rc5
Libdrm from git commit 754655c795
Nouveau DDX from git commit 174f170720

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[Bug 49295] [NV50 gallium] artifacts in prboom on NV86

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https://bugs.freedesktop.org/show_bug.cgi?id=49295

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|artifacts in prboom on NV86 |[NV50 gallium] artifacts in
                   |                            |prboom on NV86

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Please retest with the latest mesa.

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[Bug 49295] [NV50 gallium] artifacts in prboom on NV86

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https://bugs.freedesktop.org/show_bug.cgi?id=49295

--- Comment #2 from Sven Joachim <svenjoac-Mmb7MZpHnFY@public.gmane.org> ---
Still present in Mesa 9.3.0-devel as of commit b5ddaf9975.

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[Bug 49295] [NV50 gallium] artifacts in prboom on NV86

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https://bugs.freedesktop.org/show_bug.cgi?id=49295

--- Comment #3 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Could you create an apitrace of the problem?
https://github.com/apitrace/apitrace

I installed prboom, but it requires the wad files I guess.

Would be good to make sure that when you replay the apitrace, you see the same
artifacts too.

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[Bug 49295] [NV50 gallium] artifacts in prboom on NV86

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https://bugs.freedesktop.org/show_bug.cgi?id=49295

--- Comment #4 from Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> ---
(In reply to comment #3)
> Could you create an apitrace of the problem?
> https://github.com/apitrace/apitrace
> 
> I installed prboom, but it requires the wad files I guess.
> 
> Would be good to make sure that when you replay the apitrace, you see the
> same artifacts too.

Please limit the trace to a single frame, and send it to a non-public server.

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[Bug 49295] [NV50 gallium] artifacts in prboom on NV86

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https://bugs.freedesktop.org/show_bug.cgi?id=49295

--- Comment #5 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Please retest with mesa 11.0.3, and attach an apitrace if the issue persists.

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[Bug 49295] [NV50 gallium] artifacts in prboom on NV86

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https://bugs.freedesktop.org/show_bug.cgi?id=49295

GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> changed:

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

--- Comment #6 from GitLab Migration User <gitlab-migration-wf5LKTHn7b+es5Oj371l6A@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1049.

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