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glsl: add a parse check to check for the index layout qualifier

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This can only be used if EXT_blend_func_extended is enabled

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ryan Houdek 2015-11-05 11:03:44 -06:00 • committed by Ilia Mirkin
parent ef9e6d1ec8
commit 33ddc8e865
1 changed files with 5 additions and 0 deletions
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5
src/glsl/glsl_parser.yy
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@ -1476,6 +1476,11 @@ layout_qualifier_id:
}
if (match_layout_qualifier("index", $1, state) == 0) {
if (state->es_shader && !state->EXT_blend_func_extended_enable) {
_mesa_glsl_error(& @3, state, "index layout qualifier requires EXT_blend_func_extended");
YYERROR;
}
$$.flags.q.explicit_index = 1;
if ($3 >= 0) {