Nouveau - Mar 2011 - [Bug 35714] New: Nouveau: GLSL issue with Gnome Shell

https://bugs.freedesktop.org/show_bug.cgi?id=35714

           Summary: Nouveau: GLSL issue with Gnome Shell
           Product: xorg
           Version: unspecified
          Platform: All
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: venemo at msn.com
         QAContact: xorg-team at lists.x.org


Nouveau seems to have problems rendering Gnome Shell's applications menu.

Here is how it looks like:
http://i53.tinypic.com/4udmpy.png

Here is the code for their use of GLSL:
http://git.gnome.org/browse/gnome-shell/tree/src/st/st-scroll-view-fade.c

Here is the related bug on Gnome Shell:
https://bugzilla.gnome.org/show_bug.cgi?id=645814

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https://bugs.freedesktop.org/show_bug.cgi?id=35714

--- Comment #1 from Timur Krist?f <venemo at msn.com> 2011-03-28 13:05:11
PDT ---
Sorry, I forgot to mention the version numbers of the related packages.

They are:
xorg-x11-drv-nouveau-0.0.16-24.20110324git8378443.fc15.x86_64
gnome-shell-2.91.92-4.fc15.x86_64

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https://bugs.freedesktop.org/show_bug.cgi?id=35714

Martin Peres <martin.peres at ensi-bourges.fr> changed:

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

--- Comment #2 from Martin Peres <martin.peres at ensi-bourges.fr>
2011-03-28 16:39:14 PDT ---
Hi

Due to the (really small) size of the development team, we are not able to
provide user support for the gallium driver.

What we really care about is regression at the moment. Thanks anyway for
reporting, this may help later on.

PS: If you keep investigating, we would be glad if you could narrow a bit more
what in this shader is going/compiled wrong.

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Martin Peres <martin.peres at ensi-bourges.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|WONTFIX                     |

--- Comment #3 from Martin Peres <martin.peres at ensi-bourges.fr>
2011-03-29 12:53:04 PDT ---
Hey, 

The policy has changed, it is now accepted to report misrendered images (see
http://nouveau.freedesktop.org/wiki/MesaDrivers).
So, I re-open this bug report. This is your lucky day ;)

Could you provide more information? Kernel logs, mesa version (git master would
be preferred) and maybe the lspci output for your GPU would be helpful.

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--- Comment #4 from Rui Tiago Matos <tiagomatos at gmail.com> 2011-03-30
08:06:29 PDT ---
(In reply to comment #3)
> Hey, 
> 
> The policy has changed, it is now accepted to report misrendered images
(see
> http://nouveau.freedesktop.org/wiki/MesaDrivers).
> So, I re-open this bug report. This is your lucky day ;)
> 
> Could you provide more information? Kernel logs, mesa version (git master
would
> be preferred) and maybe the lspci output for your GPU would be helpful.
I can reproduce this with mesa master on linux 2.6.38 with an NV86. Check here
for the commit that introduced the bug in gnome-shell:

https://bugzilla.gnome.org/show_bug.cgi?id=645814#c2

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Christoph Bumiller <e0425955 at student.tuwien.ac.at> changed:

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

--- Comment #5 from Christoph Bumiller <e0425955 at student.tuwien.ac.at>
2011-03-31 17:09:18 PDT ---
Fixed in git commit 3f625689acd570e4f14cc2ebaa43a425d13954ff (nv50: copy
regalloc fixes from nvc0).

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