[Bug 63933] New: Error in r300_set_framebuffer_state if use Dual-Head setup

[Bug 63933] New: Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

          Priority: medium
            Bug ID: 63933
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Error in r300_set_framebuffer_state if use Dual-Head
                    setup
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: victoraur.santos@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.1
         Component: Drivers/DRI/r300
           Product: Mesa

Created attachment 78488
  --> https://bugs.freedesktop.org/attachment.cgi?id=78488&action=edit
Full log using compiz as gl-based wm

If try to start any WM that uses GL(Compiz, Gnome-shell, etc...) i get screen
completely stained and a lot of r300 error in .xsession-errors

Attached full log (using compiz)

Detail: if only one monitor is connected this error/bug doesn't occur and WM
GL-based start correctly.

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[Bug 63933] Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

Alex Deucher <agd5f@yahoo.com> changed:

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

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
As per your log, you've exceeded the hw limits of the 3D engine on your chip
(max texture size of 2048x2048).

/usr/bin/compiz (opengl) - Warn: Bug in window 0x1600016 (identifying as
desktop_window)
/usr/bin/compiz (opengl) - Warn: This window tried to create an absurdly large
window 2646 x 1024

/usr/bin/compiz (opengl) - Warn: Unforunately, that's not supported on your
hardware, because you have a maximum texture size of 2048
/usr/bin/compiz (opengl) - Warn: you should probably file a bug against that
application
/usr/bin/compiz (opengl) - Warn: for now, we're going to hide tht window so
that it doesn't break your desktop

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[Bug 63933] Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

--- Comment #2 from Victor Aurélio <victoraur.santos@gmail.com> ---
Ok, if i use Xinerama (with same resolutions) will exceed hardware limit or not
?

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[Bug 63933] Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

--- Comment #3 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #2)
> Ok, if i use Xinerama (with same resolutions) will exceed hardware limit or
> not ?

xinerama does not support 3D acceleration.

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[Bug 63933] Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

--- Comment #4 from Victor Aurélio <victoraur.santos@gmail.com> ---
(In reply to comment #3)
> (In reply to comment #2)
> > Ok, if i use Xinerama (with same resolutions) will exceed hardware limit or
> > not ?
> 
> xinerama does not support 3D acceleration.

ok, sorry my stupid question.

if isn't bothered, i've other question, only way for i get 3D
acceleration(without change resolution) is buy a new hw, or exists another way
?

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[Bug 63933] Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #4)
> (In reply to comment #3)
> > (In reply to comment #2)
> > > Ok, if i use Xinerama (with same resolutions) will exceed hardware limit or
> > > not ?
> > 
> > xinerama does not support 3D acceleration.
> 
> ok, sorry my stupid question.
> 
> if isn't bothered, i've other question, only way for i get 3D
> acceleration(without change resolution) is buy a new hw, or exists another
> way ?

If you want to use 3D effects across a desktop larger than the hw limits of the
GPU, you either need a newer GPU with larger hw limits or someone has to make
major changes to the xserver to allocate separate surfaces for each monitor
rather than a single large surface for all monitors.

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[Bug 63933] Error in r300_set_framebuffer_state if use Dual-Head setup

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https://bugs.freedesktop.org/show_bug.cgi?id=63933

--- Comment #6 from Victor Aurélio <victoraur.santos@gmail.com> ---
Thank you and sorry for any inconvenience

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