[osg-submissions] Check GLX Version in pbuffer init

[Robert Osfield]

Thanks Mathias, fix now merged and submitted to SVN.

On Dec 10, 2007 6:14 PM, Mathias Fröhlich <Mathias.Froehlich at gmx.net> wrote:
>
> Hi Robert,
>
> Attached is a change to the PBuffer initialsation code that checks for the GLX
> version before issuing commands that require GLX-1.3.
>
> This prevents a crash with open source drivers on linux.
>
> The change is based on rev 7644.
>
> Please apply
>
>     Thanks
>
>          Mathias
>
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