[compiz] the notorious "GLX_EXT_texture_from_pixmap is missing" error

[Ioannis Nousias]

Thanks for your response. To avoid unnecessary "noise" to the list, I've 
posted this at the compiz forum.
http://forum.go-compiz.org/viewtopic.php?t=92

we can continue discussion there. There is already one response that 
agrees with you in that there should 3 instances of the extension in 
glxinfo and provides a possible fix.

regards,
Ioannis


Tuukka Hastrup wrote:
> On Sat, 18 Nov 2006, Ioannis Nousias wrote:
>   
>> I'm not reporting a bug (I know it's not the right place to do that anyway),
>>     
>
> Why, it is the right place if you're ready to read all the answers :-)
>
>   
>> Once again I run into the famous "compiz: GLX_EXT_texture_from_pixmap is
>> missing" error. The problem is I can't figure out what's wrong.
>>
>> I use fedora core 6 on an athlon XP with an ati RV250 and the radeon
>> open-source drivers
>>     
>
> I have the same issue with AIGLX of the Intel driver.
>
>   
>> running compiz reports:
>> $ LIBGL_DEBUG=verbose compiz --replace --use-cow --strict-binding gconf
>> libGL: XF86DRIGetClientDriverName: 5.2.0 r200 (screen 0)
>> libGL: OpenDriver: trying /usr/X11R6/lib/modules/dri//r200_dri.so
>> drmOpenByBusid: Searching for BusID pci:0000:01:00.0
>> drmOpenDevice: node name is /dev/dri/card0
>> drmOpenDevice: open result is 4, (OK)
>> drmOpenByBusid: drmOpenMinor returns 4
>> drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
>> libGL warning: 3D driver claims to not support visual 0x4b
>> libGL error:
>> Can't open configuration file /home/ioannis/.drirc: No such file or directory.
>> compiz: GLX_EXT_texture_from_pixmap is missing
>> compiz: Failed to manage screen: 0
>> compiz: No manageable screens found on display :0
>>     
>
> For me, LIBGL_ALWAYS_INDIRECT=1 does the trick. Perhaps 
> --indirect-rendering is supposed to work too, but at least for me it 
> doesn't.
>
>   
>> but running glxinfo says:
>> $ glxinfo | grep GLX_EXT_texture_from_pixmap
>> libGL warning: 3D driver claims to not support visual 0x4b
>>    GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method,
>>    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap
>>     
>
> At least here it's a "server glx extension" and a "client glx extension" 
> but not "GLX extension" as I recall it being under Xgl and as it is with 
> LIBGL_ALWAYS_INDIRECT=1. 
>
>   
>> glxinfo report that there is no "direct rendering". Compiz works fairly ok,
>> although anything that uses lots of CPU makes compiz have hiccups (slows down
>> significantly and all effects are "jumpy") and scrolling is slow in general.
>>     
>
> I wonder if this just is the best you can currently get with this setup.
>
>