+ /* Layout qualifiers for AMD_conservative_depth. */
+ if (!got_one && state->AMD_conservative_depth_enable) {
+ if (strcmp($1, "depth_any") == 0) {
+ got_one = true;
+ $$.flags.q.depth_any = 1;
+ } else if (strcmp($1, "depth_greater") == 0) {
+ got_one = true;
+ $$.flags.q.depth_greater = 1;
+ } else if (strcmp($1, "depth_less") == 0) {
+ got_one = true;
+ $$.flags.q.depth_less = 1;
+ } else if (strcmp($1, "depth_unchanged") == 0) {
+ got_one = true;
+ $$.flags.q.depth_unchanged = 1;
+ }
+
+ if (got_one && state->AMD_conservative_depth_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_AMD_conservative_depth "
+ "layout qualifier `%s' is used\n", $1);
+ }
+ }
+
+ if (!got_one) {
+ _mesa_glsl_error(& @1, state, "unrecognized layout identifier "
+ "`%s'\n", $1);
+ YYERROR;
+ }
+ }
+ | IDENTIFIER '=' INTCONSTANT
+ {
+ bool got_one = false;
+
+ memset(& $$, 0, sizeof($$));
+
+ if (state->ARB_explicit_attrib_location_enable) {
+ /* FINISHME: Handle 'index' once GL_ARB_blend_func_exteneded and
+ * FINISHME: GLSL 1.30 (or later) are supported.
+ */
+ if (strcmp("location", $1) == 0) {
+ got_one = true;
+
+ $$.flags.q.explicit_location = 1;
+
+ if ($3 >= 0) {
+ $$.location = $3;
+ } else {
+ _mesa_glsl_error(& @3, state,
+ "invalid location %d specified\n", $3);
+ YYERROR;
+ }
+ }
+ }
+