[Bug 30313] New: Corrupted textures with 'big' textures and at certain distances from texture

[Bug 30313] New: Corrupted textures with 'big' textures and at certain distances from texture

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https://bugs.freedesktop.org/show_bug.cgi?id=30313

           Summary: Corrupted textures with 'big' textures and at certain
                    distances from texture
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: gerwin_kramer@hotmail.com


Created an attachment (id=38848)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38848)
This texture is corrupted

In several 3d applications some textures are rendered wrong. If the distance to
the texture changes, the textures can be rendered correct again.

In OpenArena the textures are not or rarely distorted when the 'texture detail'
setting is at it's lowest. At the highest setting, several textures are
distorted. If i move away or towards to the texture, the texture can be
rendered correct again. 

The bug is similar to https://bugs.freedesktop.org/show_bug.cgi?id=28800 , but
with some differences:

- This bug wasn't there with r300c
- It is with several apps i tested, Extreme Tux Racer, Octagaplayer, Blender,
OpenArena.
- I don't know if the WoW bug has the distance and texture detail thing.


I'm using 

- ubuntu maverick with the 
- xorg edgers ppa, 
- so, gallium r300g driver
- kernel 2.6.35-22
- R350 agp ati radeon 9800 pro card.

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[Bug 30313] Corrupted textures with 'big' textures and at certain distances from texture

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https://bugs.freedesktop.org/show_bug.cgi?id=30313

--- Comment #1 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-21 12:11:50 PDT ---
Created an attachment (id=38849)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38849)
Now it is okay

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[Bug 30313] Corrupted textures with 'big' textures and at certain distances from texture

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https://bugs.freedesktop.org/show_bug.cgi?id=30313

--- Comment #2 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-21 12:13:10 PDT ---
Created an attachment (id=38850)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38850)
The bug in Extreme Tux Racer (also the mouse pointer in the menu is corrupted)

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[Bug 30313] Corrupted textures with 'big' textures and at certain distances from texture

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https://bugs.freedesktop.org/show_bug.cgi?id=30313

--- Comment #3 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-21 12:14:03 PDT ---
Created an attachment (id=38851)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38851)
Bug in blender

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[Bug 30313] Corrupted textures with 'big' textures and at certain distances from texture

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--- Comment #4 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-21 12:14:37 PDT ---
Created an attachment (id=38852)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38852)
Bug in Blender 2

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[Bug 30313] Several (big) textures are corrupted when you look at them from certain distances

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Gerwin <gerwin_kramer@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Corrupted textures with     |Several (big) textures are
                   |'big' textures and at       |corrupted when you look at
                   |certain distances from      |them from certain distances
                   |texture                     |

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Gerwin <gerwin_kramer@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #38849|Now it is okay              |Here it is okay
        description|                            |

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[Bug 30313] Several (big) textures are corrupted when you look at them from certain distances

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Gerwin <gerwin_kramer@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #38849|Here it is okay             |At this distance it is okay
        description|                            |

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[Bug 30313] Several (big) textures are corrupted when you look at them from certain distances

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Gerwin <gerwin_kramer@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #38851|Bug in blender              |Bug in Blender
        description|                            |

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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Gerwin <gerwin_kramer@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Several (big) textures are  |[r300g] Several (big)
                   |corrupted when you look at  |textures are corrupted when
                   |them from certain distances |you look at them from
                   |                            |certain distances

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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Gerwin <gerwin_kramer@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=28800

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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--- Comment #5 from Marek Olšák <maraeo@gmail.com> 2010-09-24 18:34:35 PDT ---
This looks like a tiling issue and r300c doesn't implement tiling fully. I
can't reproduce it on R500. Try to set the environment variable
RADEON_DEBUG=notiling and please let me know if it fixes the issue.

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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https://bugs.freedesktop.org/show_bug.cgi?id=30313

--- Comment #6 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-25 05:48:54 PDT ---
(In reply to comment #5)
> This looks like a tiling issue and r300c doesn't implement tiling fully. I
> can't reproduce it on R500. Try to set the environment variable
> RADEON_DEBUG=notiling and please let me know if it fixes the issue.

Yes, RADEON_DEBUG=notiling fixes the issue!

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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--- Comment #7 from Marek Olšák <maraeo@gmail.com> 2010-09-25 06:02:49 PDT ---
Created an attachment (id=38951)
 View: https://bugs.freedesktop.org/attachment.cgi?id=38951
 Review: https://bugs.freedesktop.org/review?bug=30313&attachment=38951

possible fix

Could you please try this patch?

And please attach you glxinfo of r300c (I'd like to know the PCI ID, which is
in the renderer string).

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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--- Comment #8 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-25 07:05:17 PDT ---
(In reply to comment #7)
> Created an attachment (id=38951)
 View: https://bugs.freedesktop.org/attachment.cgi?id=38951
 Review: https://bugs.freedesktop.org/review?bug=30313&attachment=38951

> possible fix
> 
> Could you please try this patch?
> 
> And please attach you glxinfo of r300c (I'd like to know the PCI ID, which is
> in the renderer string).

Renderer string of r300c:

OpenGL renderer string: Mesa DRI R300 (R350 4E48) 20090101  TCL DRI2

I don't have the source of the driver (I am using this r300g driver from the
xorg-edgers ppa)

I can download the source from this ppa, patch and build it, but I am not
experienced with building this driver so then I would need detailed
instructions...

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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--- Comment #9 from Marek Olšák <maraeo@gmail.com> 2010-09-25 08:08:49 PDT ---
See: https://bugs.freedesktop.org/show_bug.cgi?id=29066#c10

After git clone, apply the patch using: git am < patch
Also skip the "ln" command.

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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--- Comment #10 from Gerwin <gerwin_kramer@hotmail.com> 2010-09-25 09:51:01 PDT ---
(In reply to comment #9)
> See: https://bugs.freedesktop.org/show_bug.cgi?id=29066#c10
> 
> After git clone, apply the patch using: git am < patch
> Also skip the "ln" command.

The patch worked!

I did:

git clone git://anongit.freedesktop.org/git/mesa/mesa
git am < 0001-r300g-attempt-to-fix-tiling-on-R350.patch
./autogen.sh
make

made a backup of the old gallium driver, copied the new one using

sudo cp lib/gallium/*_dri.so /usr/lib/dri/

Double checked it by putting the backup back and the issue was back, putting
the new one back and the issue was gone, so the patch worked, thanks!

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--- Comment #11 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-25 16:29:11 PDT ---
(In reply to comment #5)
> This looks like a tiling issue and r300c doesn't implement tiling fully. I
> can't reproduce it on R500. Try to set the environment variable
> RADEON_DEBUG=notiling and please let me know if it fixes the issue.

I have the same issue and RADEON_DEBUG=notiling variable helps here, too.
Tested on Nexuiz.

kernel: linux-image-2.6.35-22-generic (2.6.35-22.33)                            
xorg: 7.5+6ubuntu3                                                              
xserver-xorg-core: 2:1.9.0-0ubuntu7                                             
mesa: 7.10.0~git20100925+gallium+r300.58c24390-0ubuntu0tormod                   
graphic card: Sapphire Radeon 9600 256MB AGP (RV350)

OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on RV350
OpenGL version string: 2.1 Mesa 7.10-devel
OpenGL shading language version string: 1.20

01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV350 AP [Radeon
9600] [1002:4150]
01:00.1 Display controller [0380]: ATI Technologies Inc RV350 AP [Radeon 9600]
(Secondary) [1002:4170]

I've got RV370 card, too but now I was not able to test if it's got the same
issue:
02:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV370 5B60
[Radeon X300 (PCIE)] [1002:5b60]
02:00.1 Display controller [0380]: ATI Technologies Inc RV370 [Radeon X300SE]
[1002:5b70]

And I've got one more problem with r300g - at the same (custom low) settings
I've had for about 50% more FPS on r300c than on r300g in most places (for
example 20FPS to 30FPS on many map objects on the screen) but when I enable
GLSL in Nexuiz on r300g I have many more FPS, even than in r300c (40-50FPS in
the same places) but then I have other graphic issue. I thought it is something
connected with this issue but for it RADEON_DEBUG=notiling doesn't help.
The issue with GLSL looks like some textures are flashing (once there are
visible (drawn properly) and once not visible at all (only grey color (maybe
other colors, too) in the place of texture). It's flashing very quickly and
cannot be seen on screenshots (I've done almost 100 of them).
Searching bug reports I've saw only this:
https://bugs.freedesktop.org/show_bug.cgi?id=23545 and
https://bugs.freedesktop.org/show_bug.cgi?id=25027
which reading from the description it looks the same.

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--- Comment #12 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-25 16:38:48 PDT ---
> The issue with GLSL looks like some textures are flashing (once there are
> visible (drawn properly) and once not visible at all (only grey color (maybe
> other colors, too) in the place of texture). 

Now, I've tested other maps in Nexuiz and I see that where the textures are
flashing there are not some colors but textures dissappear and I see through
the walls even the sky in closed places. It can be seen in game menu, too where
'Settings', 'About' and 'Quit' menus are flashing.
Shoud I write a new bug report or comment somewhere in the other bug reports?

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--- Comment #13 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-25 16:45:51 PDT ---
> Now, I've tested other maps in Nexuiz and I see that where the textures are
> flashing there are not some colors but textures dissappear and I see through
> the walls even the sky in closed places. It can be seen in game menu, too where
> 'Settings', 'About' and 'Quit' menus are flashing.
> Shoud I write a new bug report or comment somewhere in the other bug reports?

Sorry for so many comments but...
Now I've found the same issue with Blur effect in KDE 4.5.1 on Kubuntu 10.10 -
textures are dissapearing and showing again and when I disable Blur and set
other effects to default desktop, panel and windows are visible.

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--- Comment #14 from Marek Olšák <maraeo@gmail.com> 2010-09-26 06:31:58 PDT ---
Tomasz>

RADEON_DEBUG=notiling may have some side effects and may even change behavior
of other bugs. That patch was just a guess of mine. But you have an RV350 GPU
so the patch won't help you, it only makes R350 be considered as RV350-based
with regard to tiling.

Please file separate bugs for your issues. I consider this issue fixed and am
waiting for a clarification on why R350 behaves like that, and then I'll close
the bug.

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

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--- Comment #15 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 09:41:41 PDT ---
> RADEON_DEBUG=notiling may have some side effects and may even change behavior
> of other bugs. That patch was just a guess of mine. But you have an RV350 GPU
> so the patch won't help you, it only makes R350 be considered as RV350-based
> with regard to tiling.

But RADEON_DEBUG=notiling does help without GLSL. With this option Nexuiz
renders everything properly on my settings. Without this option on RV350 I have
textures corruption like Gerwin on R300 so there's a problem with tiling on my
RV350 with r300g. I haven't noticed any other side effects of this environment
variable, yet but I haven't done much testing. The textures disappearing
problem looks the same with this variable set or without it when I enable GLSL
in Nexuiz and in Blur with KDE 4.5.1.

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--- Comment #16 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 11:54:24 PDT ---
Created an attachment (id=38963)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38963)
Corrupted textures in Nexuiz on RV350

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--- Comment #17 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 11:55:43 PDT ---
Created an attachment (id=38964)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38964)
Corrupted textures in Nexuiz on RV350 #2

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--- Comment #18 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 11:56:40 PDT ---
Created an attachment (id=38965)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38965)
Corrupted textures in Nexuiz on RV350 #3

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--- Comment #19 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 11:57:18 PDT ---
Created an attachment (id=38966)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38966)
Corrupted textures in Nexuiz on RV350 #4

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--- Comment #20 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 11:58:17 PDT ---
Created an attachment (id=38967)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38967)
Corrupted textures in Nexuiz on RV350 #5 (one place)

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--- Comment #21 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 11:58:38 PDT ---
Created an attachment (id=38968)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38968)
Corrupted textures in Nexuiz on RV350 #6 (one place)

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--- Comment #22 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 12:00:11 PDT ---
Created an attachment (id=38969)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38969)
Graphics setings in Nexuiz on RV350 #1

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--- Comment #23 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 12:01:13 PDT ---
Created an attachment (id=38970)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38970)
Graphics setings in Nexuiz on RV350 #2

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--- Comment #24 from Tomasz Czapiewski <xeros@irc.pl> 2010-09-26 12:04:17 PDT ---
After looking more at screenshots I'm thinking it's rather shading
(lightning(?)) problem on textures than textures corruption but as I've said
before, setting "RADEON_DEBUG=notiling" fixes the problem here, too.

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Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #25 from Marek Olšák <maraeo@gmail.com> 2010-09-26 14:04:08 PDT ---
The patch has been committed to master. Closing..

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=30313

--- Comment #26 from Marek Olšák <maraeo@gmail.com> 2010-09-26 14:59:04 PDT ---
Thomasz,

your issue seems to be similar to bug 28800. I guess Nexuiz uses some auxiliary
textures to compute lighting.

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[Bug 30313] [r300g] Several (big) textures are corrupted when you look at them from certain distances

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=30313

--- Comment #27 from Tomasz Czapiewski <xeros@irc.pl> 2010-10-12 16:00:40 PDT ---
(In reply to comment #26)
> Thomasz,
> 
> your issue seems to be similar to bug 28800. I guess Nexuiz uses some auxiliary
> textures to compute lighting.

My problem has been fixed after I've upgraded from yesterday's (11 October
2010) xorg-edgers/radeon ppa packages for Ubuntu 10.10 Maverick.

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