1 files changed, 57 insertions, 0 deletions
diff --git a/intern/cycles/scene/tables.h b/intern/cycles/scene/tables.h
new file mode 100644
index 00000000000..de538e2af78
--- /dev/null
+++ b/intern/cycles/scene/tables.h
@@ -0,0 +1,57 @@
+/*
+ * 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 __TABLES_H__
+#define __TABLES_H__
+
+#include "util/util_list.h"
+#include "util/util_vector.h"
+
+CCL_NAMESPACE_BEGIN
+
+class Device;
+class DeviceScene;
+class Scene;
+
+enum { TABLE_CHUNK_SIZE = 256 };
+enum { TABLE_OFFSET_INVALID = -1 };
+
+class LookupTables {
+  bool need_update_;
+
+ public:
+  struct Table {
+    size_t offset;
+    size_t size;
+  };
+
+  list<Table> lookup_tables;
+
+  LookupTables();
+  ~LookupTables();
+
+  void device_update(Device *device, DeviceScene *dscene, Scene *scene);
+  void device_free(Device *device, DeviceScene *dscene);
+
+  bool need_update() const;
+
+  size_t add_table(DeviceScene *dscene, vector<float> &data);
+  void remove_table(size_t *offset);
+};
+
+CCL_NAMESPACE_END
+
+#endif /* __TABLES_H__ */