[Bug 90869] Rendering bug in The Witcher

[Bug 90869] Rendering bug in The Witcher

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=90869

            Bug ID: 90869
           Summary: Rendering bug in The Witcher
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: sa@whiz.se
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 116318
  --> https://bugs.freedesktop.org/attachment.cgi?id=116318&action=edit
Screenshot of bug

Hi,

I'm trying to run the game The Witcher (in Wine) it has rendering errors when
drawing the rain.

This bug is present in both git master
(78395dbf9ff429d98523f8b4a340f7188d8b4db0) and in 10.5.5.

I made an apitrace of the game and it renders without problem on i965. 

Running the trace on r600 results in this warning:

101172: glDebugOutputCallback: Medium severity API unknown issue 1, FBO
incomplete: driver marked FBO as incomplete [-1]

This is on a Redwood, Radeon HD 5670 1GB.

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[Bug 90869] Rendering bug in The Witcher

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=90869

--- Comment #1 from Sven Arvidsson <sa@whiz.se> ---
apitrace file:

https://www.dropbox.com/s/3hmjqeil80d3x28/witcher.trace?dl=0

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[Bug 90869] Rendering bug in The Witcher

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https://bugs.freedesktop.org/show_bug.cgi?id=90869

Laurent carlier <lordheavym@gmail.com> changed:

           What    |Removed                     |Added
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[Bug 90869] Rendering bug in The Witcher

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=90869

--- Comment #2 from Matteo Bruni <matteo.mystral@gmail.com> ---
This is probably Wine bug 25696 / 34052. Read
https://bugs.winehq.org/show_bug.cgi?id=34052#c42 for an explanation of that
bug (essentially, the vertex shader reads out of bounds of a uniform array).

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[Bug 90869] Rendering bug in The Witcher

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https://bugs.freedesktop.org/show_bug.cgi?id=90869

--- Comment #3 from Sven Arvidsson <sa@whiz.se> ---
Yes, it's probably something similar. I tried the reorder shader constants
patch, but it didn't make any difference (and introduced other bugs as you
mentioned)

I filed a new bug with Wine just to be sure:
https://bugs.winehq.org/show_bug.cgi?id=38711

Maybe this bug could be kept open at least for a while if there's something
that can be done on the driver side.

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[Bug 90869] Rendering bug in The Witcher

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https://bugs.freedesktop.org/show_bug.cgi?id=90869

Sven Arvidsson <sa@whiz.se> changed:

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

--- Comment #4 from Sven Arvidsson <sa@whiz.se> ---
This was fixed in Wine by Matteo Bruni so I think we can close this bug.

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