[Bug 38173] New: DXT3 and DXT5 broken on Cayman gpu

[Bug 38173] New: DXT3 and DXT5 broken on Cayman gpu

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38173

           Summary: DXT3 and DXT5 broken on Cayman gpu
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: bobahu4@gmail.com


Using linux 3.0-rc2 kernel and mesa@git-eca3e91 + ati-ddx from git

libtxc_dxtn is also installed.

Radeon 6970 using g3d driver.

Runing texcmp test from demos.

DXT1 works fine, DXT3 and DXT5 gives broken image (on both ARGB and RGB modes)

same corruptions can be seen in sauerbraten menu (image on bg - corrupted) or
in quake4, unigine tropics.

exactly same system with 6870 gpu - dxt1, dxt3, dxt5 works fine.

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38173

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |h.judt@gmx.at

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> 2011-12-06 05:56:36 PST ---
*** Bug 42067 has been marked as a duplicate of this bug. ***

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38173

Alexandre Demers <alexandre.f.demers@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexandre.f.demers@gmail.co
                   |                            |m

--- Comment #2 from Alexandre Demers <alexandre.f.demers@gmail.com> 2011-12-20 15:33:46 PST ---
*** Bug 43954 has been marked as a duplicate of this bug. ***

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #3 from Andre Maasikas <amaasikas@gmail.com> 2011-12-20 23:49:55 PST ---
Created attachment 54625
  --> https://bugs.freedesktop.org/attachment.cgi?id=54625
proposed

Here's a thing to try ( we should set non_disp_tiling in CB for > 128bpp
formats)
Makes UINT32 FLOAT32 work a bit better here.
There's still some alignment issues at small mipsizes thoug

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #4 from Harald Judt <h.judt@gmx.at> 2011-12-21 02:34:25 PST ---
I confirm that the patch helps with the problem. The textures start to look
recognizable again, but parts of them are still displaced or corrupted.

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #7 from Alexandre Demers <alexandre.f.demers@gmail.com> 2011-12-27 21:33:54 UTC ---
The expected image should be like Test02 from this serie:
http://unbirthgame.com/files/feat_test_images_round2.jpg

I hope this will help you in better figuring out other changes and fixes
needed.

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #5 from Alexandre Demers <alexandre.f.demers@gmail.com> 2011-12-27 21:18:15 PST ---
Created attachment 54878
  --> https://bugs.freedesktop.org/attachment.cgi?id=54878
test02 with applied patch

Result with patch applied, there is still visual errors: matrix is not
correctly ordered

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #6 from Alexandre Demers <alexandre.f.demers@gmail.com> 2011-12-27 21:24:12 PST ---
Created attachment 54879
  --> https://bugs.freedesktop.org/attachment.cgi?id=54879
test02 without patch

This the result without the patch applied.

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #8 from Alexandre Demers <alexandre.f.demers@gmail.com> 2012-02-05 17:48:37 PST ---
I'm adding an apitrace of RendererFeatTest64 is you want to play with it:
http://www.mediafire.com/?mnlmwe6x4j305zm

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #9 from Andre Maasikas <amaasikas@gmail.com> 2012-02-10 09:02:04 PST ---
agd5f has commited patches which should fix this
5e1495b2d9311fa2b320766a1d299053904bd9c3
and
acca690c259824636ef1ff684a10bd1caca4751f
these may also appear in stable branches sometime

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

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https://bugs.freedesktop.org/show_bug.cgi?id=38173

--- Comment #10 from Alexandre Demers <alexandre.f.demers@gmail.com> 2012-02-10 22:06:49 PST ---
It seems to be rendering correctly now for me. Textures and texts that were corrupted are now fine.

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[Bug 38173] DXT3 and DXT5 broken on Cayman gpu

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=38173

Alex Deucher <agd5f@yahoo.com> changed:

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

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