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glsl: Round struct size up to at least 16 bytes

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Per rule #9, the size of the structure is vec4 aligned.  The MAX2 in the
loop ensures that sizes >= 16 bytes are vec4 aligned.  The new MAX2
after the loop ensures that sizes < 16 bytes are vec4 aligned.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82932
Cc: mesa-stable@lists.freedesktop.org
This commit is contained in:
Ian Romanick 2014-09-10 10:54:55 -07:00
parent 5c75270c34
commit 2ab71e1486
1 changed files with 1 additions and 1 deletions
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2
src/glsl/glsl_types.cpp
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@ -979,7 +979,7 @@ glsl_type::std140_size(bool row_major) const
if (field_type->is_record() && (i + 1 < this->length))
size = glsl_align(size, 16);
}
size = glsl_align(size, max_align);
size = glsl_align(size, MAX2(max_align, 16));
return size;
}