Bug#496519: compiz: More on 496519

[Julien Cristau <jcristau@debian.org>]

On Fri, 2009-01-16 at 22:46 -0500, Nathan A. Stine wrote:
> I tried to investigate further with this compiz issue.  I bypassed the 
> compiz script and tried to directly run compiz.real:
> 
> stinerman@stine-1:~$ compiz.real --replace --ignore-desktop-hints glib 
> gconf
> 
> compiz.real (core) - Fatal: GLX_EXT_texture_from_pixmap is missing
> compiz.real (core) - Error: Failed to manage screen: 0
> compiz.real (core) - Fatal: No manageable screens found on display :0.0
> 
> However,
> 
> stinerman@stine-1:~$ glxinfo | grep GLX_EXT_texture_from_pixmap
>     GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 
>     GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap

if you look at the glxinfo output, you'll see that GLX_EXT_tfp is in the
'server glx extensions' and 'client glx extensions' sections, but not in
'glx extensions'.  tfp isn't possible with dri in direct-rendering mode
(this is fixed with dri2).

Cheers,
Julien