[Bug 28459] New: [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

[Bug 28459] New: [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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https://bugs.freedesktop.org/show_bug.cgi?id=28459

           Summary: [r300g] Heroes of Newerth slow and corrupted with
                    libtxc_dxtn.so
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: drakkk@centrum.cz


I wanted to try compressed texture support with r300g so I installed 
libtxc_dxtn.so and I got some nice improvements (for example in Neverwinter
Nights textures looks many times better). However in Heroes of Newerth (HoN)
there is big slowdown in menu and while in game it is so slow it almost looks
like frozen and there is massive corruption.

Terminal output:
radeon: Bad CS, dumping...
VENDORID:DEVICEID 0x1002:0x71C5
0x00001007
0x00000004
...
tons of similar hexadecimal output

Dmesg shows this:
[drm:r100_cs_track_texture_check] *ERROR* Texture of unit 0 needs 8320 bytes
but is 4096
[drm:r100_cs_track_texture_print] *ERROR* pitch                      1
[drm:r100_cs_track_texture_print] *ERROR* use_pitch                  0
[drm:r100_cs_track_texture_print] *ERROR* width                      1
[drm:r100_cs_track_texture_print] *ERROR* width_11                   0
[drm:r100_cs_track_texture_print] *ERROR* height                     128
[drm:r100_cs_track_texture_print] *ERROR* height_11                  0
[drm:r100_cs_track_texture_print] *ERROR* num levels                 7
[drm:r100_cs_track_texture_print] *ERROR* depth                      0
[drm:r100_cs_track_texture_print] *ERROR* bpp                        4
[drm:r100_cs_track_texture_print] *ERROR* coordinate type            0
[drm:r100_cs_track_texture_print] *ERROR* width round to power of 2  0
[drm:r100_cs_track_texture_print] *ERROR* height round to power of 2 0
[drm:r100_cs_track_texture_print] *ERROR* compress format            2
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

mesa: ebd98b3496d750a6595382e75267361d2b1e47e2
kernel: 2.6.33.5-112.fc13
GPU: ATI Technologies Inc M56P [Radeon Mobility X1600] (RV530)

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #1 from Roland Scheidegger <sroland@vmware.com> 2010-06-09 07:26:17 PDT ---
(In reply to comment #0)
> I wanted to try compressed texture support with r300g so I installed 
> libtxc_dxtn.so and I got some nice improvements (for example in Neverwinter
> Nights textures looks many times better). However in Heroes of Newerth (HoN)
> there is big slowdown in menu and while in game it is so slow it almost looks
> like frozen and there is massive corruption.

might be bug in the drm checker. 
> [drm:r100_cs_track_texture_print] *ERROR* bpp                        4
> [drm:r100_cs_track_texture_print] *ERROR* compress format            2
Dunno how that would happen, but compressed textures should always show up with
a bpp of 1 (with 4 the calculated size will be 4 times as big as needed). I
know there were some bugs wrt compressed textures in that area, but pretty sure
it should be fixed in 2.6.33...

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #2 from Pavel Ondračka <drakkk@centrum.cz> 2010-06-09 07:30:11 PDT ---
Should I try some newer kernel?

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #3 from Marek Olšák <maraeo@gmail.com> 2010-06-09 07:54:13 PDT ---
Yes, please give it a try.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #4 from Pavel Ondračka <drakkk@centrum.cz> 2010-06-09 07:58:18 PDT ---
Which one, 2.6.34 or 2.6.35-rc2?

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #5 from Marek Olšák <maraeo@gmail.com> 2010-06-09 08:55:38 PDT ---
Either this:

git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git drm-linus

or 2.6.34 or any later version.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #6 from Pavel Ondračka <drakkk@centrum.cz> 2010-06-10 04:01:41 PDT ---
Sadly, this bug is present also with kernel 2.6.35-rc2. Do you need any more
info or logs?

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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https://bugs.freedesktop.org/show_bug.cgi?id=28459

--- Comment #7 from Roland Scheidegger <sroland@vmware.com> 2010-06-10 05:17:58 PDT ---
I think an explanation could be that there are two packets for the same texture
unit in the command stream - if the first one is compressed, it would set cpp
to 1 and set the compress bits, but if the second one is uncompressed it would
set cpp according to format but the compress bits would stay as it's only
written if the format is compressed.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #8 from Roland Scheidegger <sroland@vmware.com> 2010-06-11 05:35:00 PDT ---
Created an attachment (id=36214)
 View: https://bugs.freedesktop.org/attachment.cgi?id=36214
 Review: https://bugs.freedesktop.org/review?bug=28459&attachment=36214

possible fix

If my theory is right, the attached patch might help (that's just a quick try,
r100/r200 would need the same).

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #9 from Fabio Pedretti <fabio.ped@libero.it> 2010-06-11 09:01:00 PDT ---
(In reply to comment #8)
> Created an attachment (id=36214)
 View: https://bugs.freedesktop.org/attachment.cgi?id=36214
 Review: https://bugs.freedesktop.org/review?bug=28459&attachment=36214

> possible fix
> 
> If my theory is right, the attached patch might help (that's just a quick try,
> r100/r200 would need the same).

I was having the same crash problem with sauerbraten game (bug #27756) and this
patch seems to fix it (tested with linux 2.6.34). When submitting the patch
could you push it also to linux stable branch 2.6.32/33/34? 

There are still 2 similar bugs that would be nice to have fixed: bug #27755 and
bug #27507.

Thanks.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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Fabio Pedretti <fabio.ped@libero.it> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fabio.ped@libero.it

--- Comment #10 from Fabio Pedretti <fabio.ped@libero.it> 2010-06-11 09:01:12 PDT ---
*** Bug 27756 has been marked as a duplicate of this bug. ***

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #11 from Pavel Ondračka <drakkk@centrum.cz> 2010-06-11 12:07:10 PDT ---
Thank you Roland, with your patch Heroes of Newerth works fine again. This bug
can be closed after your patch is committed.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #12 from Alex Deucher <agd5f@yahoo.com> 2010-06-11 15:55:20 PDT ---
Created an attachment (id=36226)
 View: https://bugs.freedesktop.org/attachment.cgi?id=36226
 Review: https://bugs.freedesktop.org/review?bug=28459&attachment=36226

fix r1xx/r2xx/r3xx

This patch combines Roland's patch with the same fixes for r1xx and r2xx. 
Roland, if you want to sign off on it, I'll send it to Dave.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #13 from Roland Scheidegger <sroland@vmware.com> 2010-06-12 06:57:13 PDT ---
Review of attachment 36226:
 --> (https://bugs.freedesktop.org/review?bug=28459&attachment=36226)

Signed-off-by: Roland Scheidegger <sroland@vmware.com>

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--- Comment #14 from Alex Deucher <agd5f@yahoo.com> 2010-06-12 09:13:01 PDT ---
Sent to Dave.

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #15 from Marek Olšák <maraeo@gmail.com> 2010-06-21 14:05:06 PDT ---
The patch has been committed to:
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git drm-fixes
And should appear in the next kernel. Closing,

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[Bug 28459] [r300g] Heroes of Newerth slow and corrupted with libtxc_dxtn.so

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--- Comment #16 from madbiologist <s.j.turner@uq.net.au> 2010-07-06 20:32:30 PDT ---
This patch has been included in kernel 2.6.35-rc4.

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--- Comment #17 from Fabio Pedretti <fabio.ped@libero.it> 2010-08-02 23:59:18 PDT ---
This is also fixed in 2.6.34.2.

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