[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

GitLab Migration User  changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution|--- |MOVED

--- Comment #44 from GitLab Migration User  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/333.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #43 from Micha  ---
Same for Warzone2100 (and others?) on latest Mint Mate with Oibaf ppa, too.
Still the same problems.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

Thierry Leconte  changed:

   What|Removed |Added

 CC||thierry.leco...@laposte.net

--- Comment #42 from Thierry Leconte  ---
Confirm that this bug is still present on up to date fedora25 :
kernel 4.9.8-201.fc25 
mesa 13.0.4

with X11 or wayland (no differences).
Only gnome-shell is affected. All others apps are ok.

same GPU as others :

Extended renderer info (GLX_MESA_query_renderer):
Vendor: X.Org R300 Project (0x1002)
Device: ATI RS600 (0x7941)
Version: 13.0.4
Accelerated: yes
Video memory: 256MB
Unified memory: no
Preferred profile: compat (0x2)
Max core profile version: 0.0
Max compat profile version: 2.1
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 2.0
OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on ATI RS600
OpenGL version string: 2.1 Mesa 13.0.4
OpenGL shading language version string: 1.20

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #41 from Micha  ---
Is there any hope that this will ever be fixed by someone?

Not even Kodi does work on the laptop - cannot verify if it is the same problem
- but the osd while playback video looks the same (striped) way as the menubar
of the Unity-desktop...think its the same problem.

There is almost nothing we can do with these laptops until someone will fix
this!

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #40 from Alex Deucher  ---
(In reply to Andrew Randrianasulu from comment #38)
> unfortunately, running with RADEON_DEBUG=notiling gives no visible
> improvements.

You have to disable tiling in the ddx as well in the device section of you xorg
config:
Option "ColorTiling" "false"

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #39 from Andrew Randrianasulu  ---
Created attachment 122016
  --> https://bugs.freedesktop.org/attachment.cgi?id=122016=edit
chromium BSU debug log with RADEON_DEBUG=texalloc,notiling

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #38 from Andrew Randrianasulu  ---
Created attachment 122015
  --> https://bugs.freedesktop.org/attachment.cgi?id=122015=edit
chromium BSU log with RADEON_DEBUG=texalloc

unfortunately, running with RADEON_DEBUG=notiling gives no visible
improvements.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #37 from Alex Deucher  ---
*** Bug 92651 has been marked as a duplicate of this bug. ***

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #36 from Andrew Randrianasulu  ---
Created attachment 121870
  --> https://bugs.freedesktop.org/attachment.cgi?id=121870=edit
mmiotrace from Catalyst 9.3 kernel 2.6.27.27

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #35 from Andrew Randrianasulu  ---
Created attachment 121663
  --> https://bugs.freedesktop.org/attachment.cgi?id=121663=edit
dmesg

as you can see this happens also on 32-bit kernel/32 bit userspace

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #34 from Andrew Randrianasulu  ---
Created attachment 121662
  --> https://bugs.freedesktop.org/attachment.cgi?id=121662=edit
chromium BSU also show this bug

using r300g driver from OpenGL version string: 2.1 Mesa 11.1.0-devel
(git-8ae8fec), on kernel 4.2.0.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #33 from Andrew Randrianasulu  ---
I also have affected system and wanted for ages to see it fixed (with or
without my help). unfortunately, even if I still can try and load old linux
distro where last  working fglrx (proprietary driver) was working  - I have no
idea what to do next  - even mmiotrace format apparently changed from 2.6.29
kernel era, and here i fear  some more tracing will be needed (and tools for
userspace tracing also appear to bitrot or not even properly support this GPU).

i tried to appear on #radeon but everyone was busy there (I think this
situation will continue more or less due to new bug flow, new hardware, new
features, other users and developers also wanting various levels of help). may
be setting special 'hackday' for this or other specific bugs will help? if you
like the idea - please reply (I tend to read dri-devel and mesa-dev ML).

Thanks in advance!

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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Alex Deucher  changed:

   What|Removed |Added

 CC||m.st at mailbox.org

--- Comment #32 from Alex Deucher  ---
*** Bug 89686 has been marked as a duplicate of this bug. ***

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #31 from Simon  ---
I have a similar problem

My bug reports on other treckers and full information about my hardware:
https://bugzilla.gnome.org/show_bug.cgi?id=746160
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1434826

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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lct at mail.ru changed:

   What|Removed |Added

   Priority|medium  |high

--- Comment #30 from lct at mail.ru ---
Still experiencing this with kernel 3.17-1 and latest Mesa from Manjaro.

Experiencing it even in Enlightment e17 (version e19) environiment, when
hardware OpenGL compositing is selected. If I select software compositing, then
this issue disappears.

Also, in KDE 4.14 I get random kernel hardlocks and freezes, I never had. I
wonder if this issue is connected.

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Alex Deucher  changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|DUPLICATE   |---

--- Comment #29 from Alex Deucher  ---
This is not a duplicate.

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Alex Deucher  changed:

   What|Removed |Added

  Attachment #78575|text/plain  |image/png
  mime type||

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lct at mail.ru changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution|--- |DUPLICATE

--- Comment #28 from lct at mail.ru ---
This is definite duplicate of 35457 (compare screen attachments)

*** This bug has been marked as a duplicate of bug 35457 ***

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #27 from lct at mail.ru ---
Yes, in 35457 in post 37 gnome-shell text corruption is exactly which I
experience and is exactly same with screens in this bug. These two are the same
critical bug.

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lct at mail.ru changed:

   What|Removed |Added

   Severity|normal  |major

--- Comment #26 from lct at mail.ru ---
Affects me as well, OpenSuse 12.3 - Tumbleweed (kernel 3.7-3.11);
for my report and details (Samsung R60, hardly any different from people here)
see
http://phoronix.com/forums/showthread.php?89174-Radeon-Gnome-3-AMD-Xpress-1250-%28Samsung-R60%29-Driver-Glitches=374780

Also see https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/751828
Affects a LOT of people. :(((

I dump importance to medium-major, because its really distracting as it
corrupts whole working area of gnome 3 / gnome shell (time, calender, system
control (settings, power options))

With 3.11 kernel one gets a colorful triangle show, screen is tiled into four
flashing triangle stips, after 3-4 seconds they vanish, but the font corruption
stays same.

This bug might be linked with 35457

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--- Comment #25 from Madis Liias  ---
Created attachment 78575
  --> https://bugs.freedesktop.org/attachment.cgi?id=78575=edit
Same(?) text rendering issues as original reporter had

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Madis Liias  changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|FIXED   |---

--- Comment #24 from Madis Liias  ---
>From the image it seems like the same rendering issue I am having:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/751828

My graphics card is ATI Radeon Xpress 1250

$ glxinfo | grep -i opengl
OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on ATI RS600
OpenGL version string: 2.1 Mesa 9.1.1
OpenGL shading language version string: 1.20

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Madis Liias madisli...@gmail.com changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|FIXED   |---

--- Comment #24 from Madis Liias madisli...@gmail.com ---
From the image it seems like the same rendering issue I am having:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/751828

My graphics card is ATI Radeon Xpress 1250

$ glxinfo | grep -i opengl
OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on ATI RS600
OpenGL version string: 2.1 Mesa 9.1.1
OpenGL shading language version string: 1.20

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #25 from Madis Liias madisli...@gmail.com ---
Created attachment 78575
  -- https://bugs.freedesktop.org/attachment.cgi?id=78575action=edit
Same(?) text rendering issues as original reporter had

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

Tomasz P.  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

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Tomasz P. son_of_the_osi...@interia.pl changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #23 from Tomasz P.  ---
Is it still a issue with current mesa and kernel ?

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--- Comment #23 from Tomasz P. son_of_the_osi...@interia.pl ---
Is it still a issue with current mesa and kernel ?

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #22 from Milan Plzik  2011-05-30 13:58:30 PDT 
---
(In reply to comment #21)
>   I tested gnome-shell with it; when using alignment table patches (Xorg's
> ColorTiling was always false), there was no change. However, when I reverted 
> to
> original r300_texture_desc.c, things seem to work more-or-less correctly --
> 8bpp textures seem to render fine (there's one case when I'm not sure),
> however, small 32bpp textures still render incorrectly.

UPDATE: looks like some fonts are not rendered properly either, but I can't
justify whether they are rendered into 8bpp or 32bpp textures.

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--- Comment #21 from Milan Plzik  2011-05-29 23:40:31 PDT 
---
(In reply to comment #20)
> Setting this environment variable disables tiling in r300g:
> 
> RADEON_DEBUG=notiling
> 
> It must be set such that the Gnome Shell can see it, of course.

  I tested gnome-shell with it; when using alignment table patches (Xorg's
ColorTiling was always false), there was no change. However, when I reverted to
original r300_texture_desc.c, things seem to work more-or-less correctly --
8bpp textures seem to render fine (there's one case when I'm not sure),
however, small 32bpp textures still render incorrectly.

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--- Comment #21 from Milan Plzik eme...@gmail.com 2011-05-29 23:40:31 PDT ---
(In reply to comment #20)
 Setting this environment variable disables tiling in r300g:
 
 RADEON_DEBUG=notiling
 
 It must be set such that the Gnome Shell can see it, of course.

  I tested gnome-shell with it; when using alignment table patches (Xorg's
ColorTiling was always false), there was no change. However, when I reverted to
original r300_texture_desc.c, things seem to work more-or-less correctly --
8bpp textures seem to render fine (there's one case when I'm not sure),
however, small 32bpp textures still render incorrectly.

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--- Comment #22 from Milan Plzik eme...@gmail.com 2011-05-30 13:58:30 PDT ---
(In reply to comment #21)
   I tested gnome-shell with it; when using alignment table patches (Xorg's
 ColorTiling was always false), there was no change. However, when I reverted 
 to
 original r300_texture_desc.c, things seem to work more-or-less correctly --
 8bpp textures seem to render fine (there's one case when I'm not sure),
 however, small 32bpp textures still render incorrectly.

UPDATE: looks like some fonts are not rendered properly either, but I can't
justify whether they are rendered into 8bpp or 32bpp textures.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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--- Comment #20 from Marek Ol??k  2011-05-28 13:13:33 PDT 
---
The ColorTiling option only affects the buffers allocated by the DDX, which is
usually just the window framebuffer. The textures and private framebuffers
allocated by r300g are usually tiled regardless of the ColorTiling option.

Setting this environment variable disables tiling in r300g:

RADEON_DEBUG=notiling

It must be set such that the Gnome Shell can see it, of course.

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--- Comment #19 from Milan Plzik  2011-05-28 12:50:57 PDT 
---
After testing r300g driver (both with and withoug alignment fix) with different
values for ColorTiling option, the results seems to be unaffected -- no matter
whether the ColorTiling is enabled or disabled, I still get the original
behavior (only affected by patch to alignment table).

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--- Comment #18 from ZeRo  2011-05-27 13:52:00 PDT ---
so any idea?

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--- Comment #17 from Milan Plzik  2011-05-17 03:01:25 PDT 
---
(In reply to comment #16)
> Nope, I've run out of ideas and I don't have the GPU.
> 
> (Milan, are you near Brno by any chance?)

I'll contact you by e-mail and we'll see whether we can arrange a meeting.

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--- Comment #16 from Marek Ol??k  2011-05-16 16:23:27 PDT 
---
Nope, I've run out of ideas and I don't have the GPU.

(Milan, are you near Brno by any chance?)

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--- Comment #15 from Milan Plzik  2011-05-16 13:04:44 PDT 
---
(In reply to comment #14)
> Created an attachment (id=46752)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46752
 Review: https://bugs.freedesktop.org/review?bug=35998=46752

> little experiment
> 
> (In reply to comment #13)
> > After more thorough testing, it seems that r300 driver is not able to 
> > correctly
> > create surfaces of certain dimensions; random vram content is shown instead.
> 
> Not true. The r300 driver gets it right for all the other GPUs, it's just 
> rs6xx
> that is broken.

  Sorry, I was generalizing too much; for me it's always in rs600 context.

> 
> Please try the attached patch.

I tried this patch; unfortunately it just reverted the old behavior -- problem
with certain surface sizes was gone, but problem with texture alignment
returned for both 8bpp and 32bpp textures. I did not notice any other
differences.

  If you will have any other ideas/patches, I'll gladly test them; but I can't
do much here by myself.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #15 from Milan Plzik eme...@gmail.com 2011-05-16 13:04:44 PDT ---
(In reply to comment #14)
 Created an attachment (id=46752)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46752
 Review: https://bugs.freedesktop.org/review?bug=35998attachment=46752

 little experiment
 
 (In reply to comment #13)
  After more thorough testing, it seems that r300 driver is not able to 
  correctly
  create surfaces of certain dimensions; random vram content is shown instead.
 
 Not true. The r300 driver gets it right for all the other GPUs, it's just 
 rs6xx
 that is broken.

  Sorry, I was generalizing too much; for me it's always in rs600 context.

 
 Please try the attached patch.

I tried this patch; unfortunately it just reverted the old behavior -- problem
with certain surface sizes was gone, but problem with texture alignment
returned for both 8bpp and 32bpp textures. I did not notice any other
differences.

  If you will have any other ideas/patches, I'll gladly test them; but I can't
do much here by myself.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #16 from Marek Olšák mar...@gmail.com 2011-05-16 16:23:27 PDT ---
Nope, I've run out of ideas and I don't have the GPU.

(Milan, are you near Brno by any chance?)

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #14 from Marek Ol??k  2011-05-15 18:13:03 PDT 
---
Created an attachment (id=46752)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46752
 Review: https://bugs.freedesktop.org/review?bug=35998=46752

little experiment

(In reply to comment #13)
> After more thorough testing, it seems that r300 driver is not able to 
> correctly
> create surfaces of certain dimensions; random vram content is shown instead.

Not true. The r300 driver gets it right for all the other GPUs, it's just rs6xx
that is broken.

Please try the attached patch.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #13 from Milan Plzik  2011-05-15 10:34:56 PDT 
---
After more thorough testing, it seems that r300 driver is not able to correctly
create surfaces of certain dimensions; random vram content is shown instead.
Also, it doesn't seem to change, despite of application changing contents of
its window. I tried some more changes in the alignment table (like multiplying
related alignments by two), but it had only negative effect.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #13 from Milan Plzik eme...@gmail.com 2011-05-15 10:34:56 PDT ---
After more thorough testing, it seems that r300 driver is not able to correctly
create surfaces of certain dimensions; random vram content is shown instead.
Also, it doesn't seem to change, despite of application changing contents of
its window. I tried some more changes in the alignment table (like multiplying
related alignments by two), but it had only negative effect.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #14 from Marek Olšák mar...@gmail.com 2011-05-15 18:13:03 PDT ---
Created an attachment (id=46752)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46752
 Review: https://bugs.freedesktop.org/review?bug=35998attachment=46752

little experiment

(In reply to comment #13)
 After more thorough testing, it seems that r300 driver is not able to 
 correctly
 create surfaces of certain dimensions; random vram content is shown instead.

Not true. The r300 driver gets it right for all the other GPUs, it's just rs6xx
that is broken.

Please try the attached patch.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #12 from Milan Plzik  2011-05-14 14:04:05 PDT 
---
I'm sorry, I was talking about tile alignment whole time, the modified function
was r300_get_pixel_alignment, which definitely returns "tile" . Sorry for
confusion.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #11 from Alex Deucher  2011-05-14 09:55:26 PDT 
---
*64 byte

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #10 from Alex Deucher  2011-05-14 09:34:43 PDT 
---
RS600/RS690/RS740 require 64 bit texture pitch alignment, perhaps the tile
alignment needs some adjustment as well.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #9 from Milan Plzik  2011-05-14 07:02:04 PDT 
---
Created an attachment (id=46709)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46709
 Review: https://bugs.freedesktop.org/review?bug=35998=46709

R300 texture alignment partial fix

As Marek stated, this issue is related to texture alignment. After playing with
mesa/src/gallium/drivers/r300/r300_texture_desc.c (see attached patch), I was
able to get things rendering properly -- font issue disappeared with setting
'height' alignment of 8bpp textures to '2' and misrendered artifacts on some
round edges with 32bpp textures and 'height' alignment to 2. Patch contains
only values I needed to fix -- I guess there is some relation between parts of
array I've been modifying. 

Unfortunately, this patch causes, that some (random) of GNOME 3's popup windows
are being rendered improperly -- their content looks like portions of other
textures (e.g. desktop background, icons, ...; random parts of vram), with no
apparent relation to expected content.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #9 from Milan Plzik eme...@gmail.com 2011-05-14 07:02:04 PDT ---
Created an attachment (id=46709)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46709
 Review: https://bugs.freedesktop.org/review?bug=35998attachment=46709

R300 texture alignment partial fix

As Marek stated, this issue is related to texture alignment. After playing with
mesa/src/gallium/drivers/r300/r300_texture_desc.c (see attached patch), I was
able to get things rendering properly -- font issue disappeared with setting
'height' alignment of 8bpp textures to '2' and misrendered artifacts on some
round edges with 32bpp textures and 'height' alignment to 2. Patch contains
only values I needed to fix -- I guess there is some relation between parts of
array I've been modifying. 

Unfortunately, this patch causes, that some (random) of GNOME 3's popup windows
are being rendered improperly -- their content looks like portions of other
textures (e.g. desktop background, icons, ...; random parts of vram), with no
apparent relation to expected content.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #10 from Alex Deucher ag...@yahoo.com 2011-05-14 09:34:43 PDT ---
RS600/RS690/RS740 require 64 bit texture pitch alignment, perhaps the tile
alignment needs some adjustment as well.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #11 from Alex Deucher ag...@yahoo.com 2011-05-14 09:55:26 PDT ---
*64 byte

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #12 from Milan Plzik eme...@gmail.com 2011-05-14 14:04:05 PDT ---
I'm sorry, I was talking about tile alignment whole time, the modified function
was r300_get_pixel_alignment, which definitely returns tile . Sorry for
confusion.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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https://bugs.freedesktop.org/show_bug.cgi?id=35998

--- Comment #8 from Milan Plzik  2011-05-07 05:57:44 PDT 
---
(In reply to comment #7)
> It looks like only the very thin characters misrender.

  I'm not sure whether this is width-related; I see misrenderd also 'S', 'v',
'2', and some others, and I believe (but unfortunately I don't have a
screenshot) that under some circumstances, the set of affected glyphs changes.

> 
> Unfortunately, I don't have RS600.

  If it will be of some use, I can test patches, do some basic debugging, or
provide remote access to RS600 machine.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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Marek Ol??k  changed:

   What|Removed |Added

Summary|Artifacts under Gnome Shell |RS600: Texture alignment
   ||issues under Gnome Shell

--- Comment #7 from Marek Ol??k  2011-05-06 05:53:07 PDT 
---
It looks like only the very thin characters misrender.

Unfortunately, I don't have RS600.

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[Bug 35998] RS600: Texture alignment issues under Gnome Shell

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Marek Olšák mar...@gmail.com changed:

   What|Removed |Added

Summary|Artifacts under Gnome Shell |RS600: Texture alignment
   ||issues under Gnome Shell

--- Comment #7 from Marek Olšák mar...@gmail.com 2011-05-06 05:53:07 PDT ---
It looks like only the very thin characters misrender.

Unfortunately, I don't have RS600.

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