[osg-submissions] State multi-texture fix

[Robert Osfield]

Thanks Colin, fix now merged and submitted to SVN.

On Jan 11, 2008 12:56 PM, Colin McDonald <cjmcdonald at qinetiq.com> wrote:
> Hi Robert,
>
> Multi-texturing fails with recent osg on older graphics cards, due to
> use of parameter GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS which is only part
> of the standard from 2.0 onwards.  I've updated src/osg/State.cpp, so
> that it attempts to be more rigorous regarding OpenGL version and
> extension checking.
>
> I've recently been updating applications from osg 1.2 to osg 2.3, and
> its been going well.  So, nice job there.
>
> Regards
>
> Colin McDonald
>
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