[Piglit] Patch adding test for fragment and vertex texturing in the same program

[Julian Adams]

I've updated the patch in that bug report as per the feedback in the
comments. Please apply :)

Jools

On 11 April 2011 21:31, Julian Adams <joolsa at gmail.com> wrote:
> I reported a bug a couple of weeks ago where sampling textures in both
> the vertex and fragment shaders samples the incorrect texture in the
> vertex shader: https://bugs.freedesktop.org/show_bug.cgi?id=35849.
> There's an attached piglit patch that demonstrates the issue. Please
> review and apply.
>
> For me the test fails using the r600g driver. It would be useful to
> know if the test works for other hardware and drivers to help narrow
> down where the bug is.
>
> Thanks,
>
> Jools
>