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diff --git a/mesalib/src/glsl/link_uniform_block_active_visitor.h b/mesalib/src/glsl/link_uniform_block_active_visitor.h
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+++ b/mesalib/src/glsl/link_uniform_block_active_visitor.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+#ifndef LINK_UNIFORM_BLOCK_ACTIVE_VISITOR_H
+#define LINK_UNIFORM_BLOCK_ACTIVE_VISITOR_H
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "glsl_types.h"
+#include "main/hash_table.h"
+
+struct link_uniform_block_active {
+   const glsl_type *type;
+
+   unsigned *array_elements;
+   unsigned num_array_elements;
+
+   bool has_instance_name;
+};
+
+class link_uniform_block_active_visitor : public ir_hierarchical_visitor {
+public:
+   link_uniform_block_active_visitor(void *mem_ctx, struct hash_table *ht,
+				     struct gl_shader_program *prog)
+      : success(true), prog(prog), ht(ht), mem_ctx(mem_ctx)
+   {
+      /* empty */
+   }
+
+   virtual ir_visitor_status visit_enter(ir_dereference_array *);
+   virtual ir_visitor_status visit(ir_dereference_variable *);
+
+   bool success;
+
+private:
+   struct gl_shader_program *prog;
+   struct hash_table *ht;
+   void *mem_ctx;
+};
+
+#endif /* LINK_UNIFORM_BLOCK_ACTIVE_VISITOR_H */