[Piglit] [PATCH 10/13] glsl: Allow limit checking on negative constants

[Eric Anholt]

Ian Romanick <idr at freedesktop.org> writes:

> From: Ian Romanick <ian.d.romanick at intel.com>
>
> GLSL ES 3.00 adds gl_MinProgramTexelOffset with a negative value.
> This constant must be -8 or less.  For now, assume that all negative
> constants want a <= comparison.  The alternative is to compare the
> name for 'gl_Min' instead of 'gl_Max'.

I'd be more comfortable with the string_match() for gl_Min, and it looks
like it would be trivial.
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