/* Only assign locations for generic attributes / varyings / etc.
*/
- if (var->location >= generic_base)
+ if ((var->location >= generic_base) && !var->explicit_location)
var->location = -1;
}
}
}
}
+ if (var->explicit_location) {
+ if (existing->explicit_location
+ && (var->location != existing->location)) {
+ linker_error_printf(prog, "explicit locations for %s "
+ "`%s' have differing values\n",
+ mode_string(var), var->name);
+ return false;
+ }
+
+ existing->location = var->location;
+ existing->explicit_location = true;
+ }
+
/* FINISHME: Handle non-constant initializers.
*/
if (var->constant_value != NULL) {
if ((var == NULL) || (var->mode != ir_var_in))
continue;
+ if (var->explicit_location) {
+ const unsigned slots = count_attribute_slots(var->type);
+ const unsigned use_mask = (1 << slots) - 1;
+ const int attr = var->location - VERT_ATTRIB_GENERIC0;
+
+ if ((var->location >= (int)(max_attribute_index + VERT_ATTRIB_GENERIC0))
+ || (var->location < 0)) {
+ linker_error_printf(prog,
+ "invalid explicit location %d specified for "
+ "`%s'\n",
+ (var->location < 0) ? var->location : attr,
+ var->name);
+ return false;
+ } else if (var->location >= VERT_ATTRIB_GENERIC0) {
+ used_locations |= (use_mask << attr);
+ }
+ }
+
/* The location was explicitly assigned, nothing to do here.
*/
if (var->location != -1)