[Bug 30761] New: White textures on people in sauerbraten

[Bug 30761] New: White textures on people in sauerbraten

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=30761

           Summary: White textures on people in sauerbraten
           Product: DRI
           Version: XOrg CVS
          Platform: x86 (IA32)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: jeff@deserettechnology.com


Have MacBook Pro 2,2 with Radeon Mobility X1600 using ati-dri-gallium-git from
ArchLinux AUR, just built a bit earlier tonight. Have Mesa 7.9 and xorg 1.9.

Character models in sauerbraten are usually white and show no textures. I have
attached a screenshot of this effect. This game that I just joined is the first
game where this effect is not universal -- you can see some other characters
appropriately textured, in all other games/maps I have joined _everyone_ has
been whited out. This has been this way for at least the last couple of weeks
or so.

This is my first bug report for an open-source video driver so please let me
know if I am doing it wrong.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #1 from Jeff Cook <jeff@deserettechnology.com> 2010-10-10 20:07:18 PDT ---
Created an attachment (id=39335)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39335)
image of white texture on character model

I tried adding this on the original comment but it seems to have been eaten.
Perhaps it was too big as a PNG. I have therefore attached a much smaller jpeg.
Apologies if this gets double-posted.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #2 from Jeff Cook <jeff@deserettechnology.com> 2010-10-10 20:19:17 PDT ---
tstellar in IRC suggested running with RADEON_DEBUG=noopt. This appears to fix
the issue.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |Mesa
            Version|XOrg CVS                    |7.9
          Component|DRM/Radeon                  |Drivers/Gallium/r300

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #3 from Jeff Cook <jeff@deserettechnology.com> 2010-10-10 20:35:30 PDT ---
Created an attachment (id=39336)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39336)
console output with RADEON_DEBUG=fp,noopt

tstellar in IRC suggests that I attach the output of the program with
RADEON_DEBUG=fp,noopt.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #4 from Jeff Cook <jeff@deserettechnology.com> 2010-10-10 20:36:21 PDT ---
Created an attachment (id=39337)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39337)
console output with RADEON_DEBUG=fp

tstellar in IRC suggests that I attach the output of the program with
RADEON_DEBUG=fp.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #5 from Jeff Cook <jeff@deserettechnology.com> 2010-10-10 20:38:43 PDT ---
We should note that after a few runs the white model problem becomes less and
less frequent. Just now while I was trying to grab these logs, I couldn't get
any more white models to display, so I rebooted and now they produce again.
Perhaps it is a card initialization variable that is resilient to flipping or
something? I know nothing about driver development so please excuse all stupid
suggestions I make. :)

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #6 from Tom Stellard <tstellar@gmail.com> 2010-10-10 22:36:51 PDT ---
(In reply to comment #5)
> We should note that after a few runs the white model problem becomes less and
> less frequent. Just now while I was trying to grab these logs, I couldn't get
> any more white models to display, so I rebooted and now they produce again.
> Perhaps it is a card initialization variable that is resilient to flipping or
> something? I know nothing about driver development so please excuse all stupid
> suggestions I make. :)

Do all the characters normally look the same?  It is possible that there only a
few characters that aren't being rendered correctly and they don't show up
every time.  Is the output of RADEON_DEBUG=fp the same no matter how the
characters are rendered?

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #7 from Jeff Cook <jeff@deserettechnology.com> 2010-10-11 03:46:48 PDT ---
(In reply to comment #6)
> Do all the characters normally look the same?  It is possible that there only a
> few characters that aren't being rendered correctly and they don't show up
> every time.  Is the output of RADEON_DEBUG=fp the same no matter how the
> characters are rendered?

Well, I'm not sure if it's always the same model that renders incorrectly or
not. It seems to fluctuate to me. I know earlier that almost everyone was all
white; as I have tried more often, it seems that only a handful are now
white/untextured. It may have something to do with the map that is played.

How should I check for fp similarities? Just run diff? I don't really know how
to read that output, I was hoping someone here did. Without noopt, I usually
get white characters so it is difficult to tell. My laptop is not available
immediately atm so I want to clarify before I begin testing. :)

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #8 from Tom Stellard <tstellar@gmail.com> 2010-10-12 00:15:04 PDT ---
(In reply to comment #7)
> 
> How should I check for fp similarities? Just run diff? I don't really know how
> to read that output, I was hoping someone here did. Without noopt, I usually
> get white characters so it is difficult to tell. My laptop is not available
> immediately atm so I want to clarify before I begin testing. :)

I would just use diff.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #9 from Tom Stellard <tstellar@gmail.com> 2010-10-27 23:47:37 PDT ---
Can you try the latest version of mesa from git?

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

Jeff Cook <jeff@deserettechnology.com> changed:

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

--- Comment #10 from Jeff Cook <jeff@deserettechnology.com> 2010-10-31 21:14:34 PDT ---
I didn't play very long but I did not observe the whited-out textures on models
any more. This appears to be fixed. Sorry I did not provide the requested
details earlier; only my laptop runs an ati card and I don't use it very often.

If it's not too much trouble, can you provide an overview of the fix that is
suspected to have corrected this bug, just for posterity? I'd appreciate it. :)

Thanks again.

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[Bug 30761] White textures on people in sauerbraten

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https://bugs.freedesktop.org/show_bug.cgi?id=30761

--- Comment #11 from Tom Stellard <tstellar@gmail.com> 2010-11-01 10:07:59 PDT ---
(In reply to comment #10)
> I didn't play very long but I did not observe the whited-out textures on models
> any more. This appears to be fixed. Sorry I did not provide the requested
> details earlier; only my laptop runs an ati card and I don't use it very often.
> 
> If it's not too much trouble, can you provide an overview of the fix that is
> suspected to have corrected this bug, just for posterity? I'd appreciate it. :)
> 
> Thanks again.


You could always bisect it to see which commit fixed your problem, but my guess
is that it was one of these:
a15cf3cd0b21d593033a3abd2b1788de292001bd
aa43176ebd26227947b07221f4e475c52bd7a76b
9d2ab6cb00e72fd8b53d0f97578758504b49ee23

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