[Piglit] [PATCH] arb_blend_func_extended: add three api tests

[Dave Airlie]

On Sun, Nov 20, 2011 at 7:00 PM, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
>
> The first two are heavily reused version of the gl-3.0 API tests from Ian, just
> adapted to test the two APIs for GL_ARB_blend_func_extended,
>
> the third is a simple test that glBlendFunc can accept the new tokens, and
> the changed behaviour of the GL_SRC_ALPHA_SATURATE token.

I tested these against fglrx this morning, and it fails miserably, but
I verified against the spec and pushed them.

If anyone runs them again nvidia I'd appreciate the results, then we
can add them to all.tests.

Dave.