Run glxgears and glxinfo, make sure your card is reporting.  Using 
fglrx, it should work.

Make sure you have the xvba drivers loaded too, that's the video codec 
acceleration.

mb@host:~$ apt-cache search xvba
xvba-va-driver - XvBA-based backend for VA API (AMD fglrx implementation)

Might have gotten purged with your video driver upgrade issues.

-mb


On 01/06/2014 10:59 AM, Michael Havens wrote:
> I tried starting XBMC and an information window appeared saying:
>
>  XBMC needs hardware accelerated OpenGL rendering.
>  Install an appropriate graphics driver.
>
> this suggests I uninstalled the driver because it WAS working. how did 
> that happen? what
> should I install?  I thought perhaps 'apt-get install opengl' but the
> repository includes only opengl-4.2-html-doc and opengl-4.2-man-doc
> which seems to be the documentation.
>
> An inquiring mind wants to know.
>
> :-)~MIKE~(-:
>
>
>
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