Cycles: code refactoring to add generic lookup table memory.

1 files changed, 55 insertions, 0 deletions

diff --git a/intern/cycles/render/tables.h b/intern/cycles/render/tables.h
new file mode 100644
index 00000000000..5fa5136ae79
--- /dev/null
+++ b/intern/cycles/render/tables.h
@@ -0,0 +1,55 @@
+/*
+ * 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 __TABLES_H__
+#define __TABLES_H__
+
+#include <util_list.h>
+
+CCL_NAMESPACE_BEGIN
+
+class Device;
+class DeviceScene;
+class Scene;
+
+enum { TABLE_CHUNK_SIZE = 256 };
+
+class LookupTables {
+public:
+	struct Table {
+		size_t offset;
+		size_t size;
+	};
+
+	bool need_update;
+	list<Table> lookup_tables;
+
+	LookupTables();
+	~LookupTables();
+
+	void device_update(Device *device, DeviceScene *dscene);
+	void device_free(Device *device, DeviceScene *dscene);
+
+	size_t add_table(DeviceScene *dscene, vector<float>& data);
+	void remove_table(size_t offset);
+};
+
+CCL_NAMESPACE_END
+
+#endif /* __TABLES_H__ */
+