diff options
| -rw-r--r-- | src/glsl/glsl_parser.yy | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy index adf6a05acce..403cbd1564a 100644 --- a/src/glsl/glsl_parser.yy +++ b/src/glsl/glsl_parser.yy @@ -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) { |