https://bugs.freedesktop.org/show_bug.cgi?id=60737
Paul Berry <stereotype...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|medium |low
--- Comment #2 from Paul Berry <stereotype...@gmail.com> ---
(In reply to comment #1)
> Out of all of these problems, only problem 1 seems necessary to fix in the
> short run, since it is the only problem that would cause Mesa to reject an
> otherwise-correct shader. I have a patch out on the mailing list to fix it
> (http://lists.freedesktop.org/archives/mesa-dev/2013-February/034481.html).
> Once that patch lands I'll downgrade the priority of this bug appropriately.
Ok, that patch has landed:
commit d5948f2f5e37d1abc0d433ddf43407d87b2d1227
Author: Paul Berry <stereotype...@gmail.com>
Date: Tue Feb 12 12:36:41 2013 -0800
glsl: Allow default precision qualifiers to be set for sampler types.
From GLSL ES 3.00 section 4.5.4 ("Default Precision Qualifiers"):
"The precision statement
precision precision-qualifier type;
can be used to establish a default precision qualifier. The type
field can be either int or float or any of the sampler types, and
the precision-qualifier can be lowp, mediump, or highp."
GLSL ES 1.00 has similar language. GLSL 1.30 doesn't allow precision
qualifiers on sampler types, but this seems like an oversight (since
the intention of including these in GLSL 1.30 is to allow
compatibility with ES shaders).
Previously, Mesa followed GLSL 1.30 and only allowed default precision
qualifiers to be set for float and int. This patch makes it follow
GLSL ES rules in all cases.
Fixes Piglit tests default-precision-sampler.{vert,frag}.
Partially addresses https://bugs.freedesktop.org/show_bug.cgi?id=60737.
NOTE: This is a candidate for stable branches.
Reviewed-by: Eric Anholt <e...@anholt.net>
The remaining problems are lower priority, hence I'm lowering the priority of
this bug.
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