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glsl: Allow precise as a parameter qualifier

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Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Chris Forbes 2014-04-27 16:03:56 +12:00
parent d0495c6db8
commit 345034869e
1 changed files with 10 additions and 2 deletions
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12
src/glsl/glsl_parser.yy
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@ -931,14 +931,22 @@ parameter_qualifier:
$$ = $2;
$$.flags.q.constant = 1;
}
| PRECISE parameter_qualifier
{
if ($2.flags.q.precise)
_mesa_glsl_error(&@1, state, "duplicate precise qualifier");
$$ = $2;
$$.flags.q.precise = 1;
}
| parameter_direction_qualifier parameter_qualifier
{
if (($1.flags.q.in || $1.flags.q.out) && ($2.flags.q.in || $2.flags.q.out))
_mesa_glsl_error(&@1, state, "duplicate in/out/inout qualifier");
if (!state->ARB_shading_language_420pack_enable && $2.flags.q.constant)
_mesa_glsl_error(&@1, state, "const must be specified before "
"in/out/inout");
_mesa_glsl_error(&@1, state, "in/out/inout must come after const "
"or precise");
$$ = $1;
$$.merge_qualifier(&@1, state, $2);