glsl: Interface Block instances don't need linking validation

[mesa.git] / src / compiler / glsl / linker.cpp

diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp
index f9c226a22c6978ae97cc3c18166251b3e07df0de..7bbffb7621fd1a88852d41f4776806e9f38cfc6e 100644 (file)
--- a/src/compiler/glsl/linker.cpp
+++ b/src/compiler/glsl/linker.cpp
@@ -885,6 +885,13 @@ cross_validate_globals(struct gl_shader_program *prog,
       if (var->type->contains_subroutine())
          continue;
 
+      /* Don't cross validate interface instances. These are only relevant
+       * inside a shader. The cross validation is done at the Interface Block
+       * name level.
+       */
+      if (var->is_interface_instance())
+         continue;
+
       /* Don't cross validate temporaries that are at global scope.  These
        * will eventually get pulled into the shaders 'main'.
        */
@@ -897,11 +904,8 @@ cross_validate_globals(struct gl_shader_program *prog,
        */
       ir_variable *const existing = variables->get_variable(var->name);
       if (existing != NULL) {
-         /* Check if types match. Interface blocks have some special
-          * rules so we handle those elsewhere.
-          */
-         if (var->type != existing->type &&
-             !var->is_interface_instance()) {
+         /* Check if types match. */
+         if (var->type != existing->type) {
             if (!validate_intrastage_arrays(prog, var, existing)) {
                if (var->type->is_record() && existing->type->is_record()
                    && existing->type->record_compare(var->type)) {