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diff --git a/intern/cycles/kernel/osl/globals.h b/intern/cycles/kernel/osl/globals.h
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+++ b/intern/cycles/kernel/osl/globals.h
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+/*
+ * Copyright 2011-2013 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __OSL_GLOBALS_H__
+#define __OSL_GLOBALS_H__
+
+#ifdef WITH_OSL
+
+#  include <OSL/oslexec.h>
+
+#  include <OpenImageIO/refcnt.h>
+#  include <OpenImageIO/unordered_map_concurrent.h>
+
+#  include "util/map.h"
+#  include "util/param.h"
+#  include "util/thread.h"
+#  include "util/unique_ptr.h"
+#  include "util/vector.h"
+
+#  ifndef WIN32
+using std::isfinite;
+#  endif
+
+CCL_NAMESPACE_BEGIN
+
+class OSLRenderServices;
+class ColorSpaceProcessor;
+
+/* OSL Globals
+ *
+ * Data needed by OSL render services, that is global to a rendering session.
+ * This includes all OSL shaders, name to attribute mapping and texture handles.
+ */
+
+struct OSLGlobals {
+  OSLGlobals()
+  {
+    ss = NULL;
+    ts = NULL;
+    services = NULL;
+    use = false;
+  }
+
+  bool use;
+
+  /* shading system */
+  OSL::ShadingSystem *ss;
+  OSL::TextureSystem *ts;
+  OSLRenderServices *services;
+
+  /* shader states */
+  vector<OSL::ShaderGroupRef> surface_state;
+  vector<OSL::ShaderGroupRef> volume_state;
+  vector<OSL::ShaderGroupRef> displacement_state;
+  vector<OSL::ShaderGroupRef> bump_state;
+  OSL::ShaderGroupRef background_state;
+
+  /* attributes */
+  struct Attribute {
+    TypeDesc type;
+    AttributeDescriptor desc;
+    ParamValue value;
+  };
+
+  typedef unordered_map<ustring, Attribute, ustringHash> AttributeMap;
+  typedef unordered_map<ustring, int, ustringHash> ObjectNameMap;
+
+  vector<AttributeMap> attribute_map;
+  ObjectNameMap object_name_map;
+  vector<ustring> object_names;
+};
+
+/* trace() call result */
+struct OSLTraceData {
+  Ray ray;
+  Intersection isect;
+  ShaderData sd;
+  bool setup;
+  bool init;
+  bool hit;
+};
+
+/* thread key for thread specific data lookup */
+struct OSLThreadData {
+  OSL::ShaderGlobals globals;
+  OSL::PerThreadInfo *osl_thread_info;
+  OSLTraceData tracedata;
+  OSL::ShadingContext *context;
+  OIIO::TextureSystem::Perthread *oiio_thread_info;
+};
+
+CCL_NAMESPACE_END
+
+#endif
+
+#endif /* __OSL_GLOBALS_H__ */