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diff --git a/intern/cycles/kernel/osl/osl_globals.h b/intern/cycles/kernel/osl/osl_globals.h
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+++ b/intern/cycles/kernel/osl/osl_globals.h
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+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __OSL_GLOBALS_H__
+#define __OSL_GLOBALS_H__
+
+#ifdef WITH_OSL
+
+#include <OSL/oslexec.h>
+
+#include "util_map.h"
+#include "util_param.h"
+#include "util_thread.h"
+#include "util_vector.h"
+
+CCL_NAMESPACE_BEGIN
+
+struct OSLGlobals {
+	/* use */
+	bool use;
+
+	/* shading system */ 
+	OSL::ShadingSystem *ss;
+
+	/* shader states */
+	vector<OSL::ShadingAttribStateRef> surface_state;
+	vector<OSL::ShadingAttribStateRef> volume_state;
+	vector<OSL::ShadingAttribStateRef> displacement_state;
+	OSL::ShadingAttribStateRef background_state;
+
+	/* attributes */
+	struct Attribute {
+		TypeDesc type;
+		AttributeElement elem;
+		int offset;
+		ParamValue value;
+	};
+
+	typedef unordered_map<ustring, Attribute, ustringHash> AttributeMap;
+	typedef unordered_map<ustring, int, ustringHash> ObjectNameMap;
+
+	vector<AttributeMap> attribute_map;
+	ObjectNameMap object_name_map;
+
+	/* thread key for thread specific data lookup */
+	struct ThreadData {
+		OSL::ShaderGlobals globals;
+		void *thread_info;
+	};
+
+	static tls_ptr(ThreadData, thread_data);
+};
+
+CCL_NAMESPACE_END
+
+#endif
+
+#endif /* __OSL_GLOBALS_H__ */
+