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

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

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: venemo-uAjRD0nVeow@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.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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[Bug 35714] Nouveau: GLSL issue with Gnome Shell

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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

--- Comment #1 from Timur Kristóf <venemo@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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[Bug 35714] Nouveau: GLSL issue with Gnome Shell

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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

Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> changed:

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

--- Comment #2 from Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> 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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[Bug 35714] Nouveau: GLSL issue with Gnome Shell

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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

Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> changed:

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

--- Comment #3 from Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> 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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[Bug 35714] Nouveau: GLSL issue with Gnome Shell

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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

--- Comment #4 from Rui Tiago Matos <tiagomatos-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 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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[Bug 35714] Nouveau: GLSL issue with Gnome Shell

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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

Christoph Bumiller <e0425955-oe7qfRrRQffzPE21tAIdciO7C/xPubJB@public.gmane.org> changed:

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

--- Comment #5 from Christoph Bumiller <e0425955-oe7qfRrRQffzPE21tAIdciO7C/xPubJB@public.gmane.org> 2011-03-31 17:09:18 PDT ---
Fixed in git commit 3f625689acd570e4f14cc2ebaa43a425d13954ff (nv50: copy
regalloc fixes from nvc0).

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