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Re: Squeeze.GNOME. Correct compiz configuration.



On Thu, 18 Nov 2010 17:38:05 +0000, Mark Goldshtein wrote:

> On Thu, Nov 18, 2010 at 4:22 PM, Camaleón wrote:

(...)

>>> Correct me, if I am wrong, but the question is how to enable hardware
>>> 3D support in 'radeon' video driver, which is in use by my Radeon
>>> Mobility 7500? Or, if it is impossible, how to change video driver,
>>> which will support hardware 3D and will works with compiz?
>>
>> 3D should be enabled by default when using radeon driver, I wouldn't
>> bother about that (you can check it with "glxinfo | grep -i render").
> 
> It is not enabled by default, that a problem is.
> 
> $ glxinfo | grep -i render
> direct rendering: Yes
> OpenGL renderer string: Software Rasterizer

By reading this:

http://dri.freedesktop.org/wiki/glxinfo

It seems to enable software rendering, yes.
 
> It is because needed module for hardware acceleration does not loaded:
> 
> [    7.667868] platform radeon_cp.0: firmware: requesting radeon/R100_cp.bin 
> [    7.691511] radeon_cp: Failed to load firmware "radeon/R100_cp.bin" 
> [    7.691602] radeon 0000:01:00.0: failled initializing CP (-2). 
> [    7.691643] radeon 0000:01:00.0: Disabling GPU acceleration

Oh, I see ;-(

Then you should first fix that "missing firmware" issue to get full 3D 
hardware acceleration:

Installing proprietary firmware
http://wiki.debian.org/AtiHowTo

> From that strange fact we have this situation:
> 
> $ LIBGL_DEBUG=verbose glxinfo
> name of display: :0.0
> libGL: OpenDriver: trying /usr/lib/dri/tls/swrast_dri.so libGL:
> OpenDriver: trying /usr/lib/dri/swrast_dri.so display: :0  screen: 0
> direct rendering: Yes
> 
> As here we may see, it is software rasterisation enabled instead of
> hardware.

Yes.

>>> Please, help to bring compiz to live in Debian Squeeze.
>>
>> You have to follow the same steps. If "/etc/X11/xorg.conf" is not
>> there, just create it and add the required sections.
> 
> Correct me, if I am wrong, but I think it is useless until hardware
> rendering will be available and turned on.

Yes, or at leas that was also my understanding.

Greetings

-- 
Camaleón


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