[Bug 26525] New: Rendering bug due to ARB_texture_non_power_of_two

[Bug 26525] New: Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525

           Summary: Rendering bug due to ARB_texture_non_power_of_two
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/R600
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: ppanon@shaw.ca


While trying to address a D3D rendering bug report in Wine, I've been working
on trying to add card recognition support into Wine for the Mesa ATI
(R300/R600) drivers. This was in order to resolve a rendering issue when using
the Mesa ATI driver. What we've found is that a code workaround to avoid using
ARB_texture_non_power_of_two APIs on R300-R500 cards also seems to fix this
rendering issue on Mesa DRI R600 (in particular with an HD4800 series card).
This would seem to indicate a bug in the ARP texture_non_power_of_two
implementation on R600. The Wine bug report is at 
http://bugs.winehq.org/show_bug.cgi?id=21515

Comments #45-47 indicate that the rendering problem is "fixed" by activating a
"quirk"/workaround that avoids ARB_texture_non_power_of_two. Stefan Dosinger's
comment #48 indicates what the "quirk" workaround does, how it should not be
required on an R600/R700 series card, and how that indicates a probable driver
bug.


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #1 from Alex Deucher <agd5f@yahoo.com>  2010-02-10 22:04:31 PST ---
Can you explain the broken behavior or do you have a screen shot?  Or even
better, do you have a simple test case that shows the broken behavior?  The
basic npot demos work fine.  I suspect the actual bug may lie elsewhere; i.e.,
there are bugs with certain types of vertex fetches. 


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #2 from cxo <cruiseoveride@gmail.com>  2010-02-12 09:50:42 PST ---
Created an attachment (id=33257)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33257)
NP2 Workaround Enabled

Screenshot taken from 3Dmark2001SE running under WINE with the NP2 workaround
employed.


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #3 from cxo <cruiseoveride@gmail.com>  2010-02-12 09:51:41 PST ---
Created an attachment (id=33258)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33258)
NP2 Workaround Disabled

Screenshot from 3DMark2001SE running on WINE with the NP2 quirk disabled.


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #4 from cxo <cruiseoveride@gmail.com>  2010-02-12 09:55:40 PST ---
In the screenshots you will see that when the workaround is disabled, the human
models are missing. When the workaround is enabled, the models are shown.


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #5 from Alex Deucher <agd5f@yahoo.com>  2010-02-12 09:56:42 PST ---
Does it work any better with mesa from git master or 7.7 branch?  Specifically
this commit might help:
eeb49d3ad82861272e8987515df3cc5da4ed2d09


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #6 from cxo <cruiseoveride@gmail.com>  2010-02-12 10:03:27 PST ---
@Alex

My entire toolchain is from current git. (wine,linux,drm,mesa,xf86-video-ati)

HD4870, Ubuntu-9.10 x86_64


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #7 from cxo <cruiseoveride@gmail.com>  2010-02-12 10:15:24 PST ---
3DMark2001SE is free software and available for download from:
http://www.futuremark.com/download/3dmark2001/

WINE is also free software and available from:
git://source.winehq.org/git/wine.git


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #8 from Alex Deucher <agd5f@yahoo.com>  2010-02-12 10:19:06 PST ---
(In reply to comment #6)
> @Alex
> 
> My entire toolchain is from current git. (wine,linux,drm,mesa,xf86-video-ati)
> 
> HD4870, Ubuntu-9.10 x86_64
> 

So I take it that you tested with that commit
(eeb49d3ad82861272e8987515df3cc5da4ed2d09) and it didn't help?


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #9 from cxo <cruiseoveride@gmail.com>  2010-02-12 11:16:34 PST ---
The last commit for mesa i have is, 3a916b0e81cdbc695d0af317f7d5d8515af13c02


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #10 from Alex Deucher <agd5f@yahoo.com>  2010-02-12 11:27:49 PST ---
(In reply to comment #9)
> The last commit for mesa i have is, 3a916b0e81cdbc695d0af317f7d5d8515af13c02
> 

Ok, so it's another issue then.


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Re: [Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

[Pauli Nieminen]

This is in the shared code. I see this bug with r200 too. Models have
worked before rewrite so this is some regression in rewrite.

> --- Comment #10 from Alex Deucher <agd5f@yahoo.com>  2010-02-12 11:27:49 PST ---
> (In reply to comment #9)
>> The last commit for mesa i have is, 3a916b0e81cdbc695d0af317f7d5d8515af13c02
>>
>
> Ok, so it's another issue then.

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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

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http://bugs.freedesktop.org/show_bug.cgi?id=26525





--- Comment #11 from Pauli <suokkos@gmail.com>  2010-02-13 03:27:46 PST ---
This is in the shared code. I see this bug with r200 too. Models have
worked before rewrite so this is some regression in rewrite.

> --- Comment #10 from Alex Deucher <agd5f@yahoo.com>  2010-02-12 11:27:49 PST ---
> (In reply to comment #9)
>> The last commit for mesa i have is, 3a916b0e81cdbc695d0af317f7d5d8515af13c02
>>
>
> Ok, so it's another issue then.


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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

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https://bugs.freedesktop.org/show_bug.cgi?id=26525

Andreas Boll <andreas.boll.dev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #12 from Andreas Boll <andreas.boll.dev@gmail.com> ---
Note: classic r600 driver has been abandoned.
Please use r600g (gallium driver) instead.

Is this still an issue with a newer driver/kernel?

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[Bug 26525] Rendering bug due to ARB_texture_non_power_of_two

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https://bugs.freedesktop.org/show_bug.cgi?id=26525

Paul-Andre Panon <ppanon@shaw.ca> changed:

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

--- Comment #13 from Paul-Andre Panon <ppanon@shaw.ca> ---
It seems to be resolved. I just reloaded 3Dmark2001SE and ran it under Ubuntu
12.04 with current gallium drivers and wine and couldn't reproduce the issue.

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