Hello ,

i have installed Debian Wheezy on my Powermac G5 Quad.


please help me to solve one problem i have with graphics. whether i use xbmc or kodi or mpv for videoplayback, it always comes with rasterised graphics;
no problem with vlc or mplayer or videoplayback directly on youtube.


this is some output


rich@debian:~$ glxinfo | grep -i renderer
OpenGL renderer string: Gallium 0.4 on NV47


rich@debian:~$ vblank_mode=0 glxgears
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
1946 frames in 5.3 seconds = 364.961 FPS
1946 frames in 5.0 seconds = 388.572 FPS




but


rich@debian:~$ xbmc
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1
libva: VA-API version 0.32.0
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/powerpc-linux-gnu/dri/nouveau_drv_video.so
libva: va_openDriver() returns -1




what is wrong with my graphics?
the card should be capable it it is 7800gtx 256mb.


thank you very much

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