1 files changed, 74 insertions, 0 deletions
diff --git a/intern/cycles/render/tile.h b/intern/cycles/render/tile.h
new file mode 100644
index 00000000000..5cd16eb8afa
--- /dev/null
+++ b/intern/cycles/render/tile.h
@@ -0,0 +1,74 @@
+/*
+ * 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 __TILE_H__
+#define __TILE_H__
+
+#include <limits.h>
+
+#include "util_list.h"
+
+CCL_NAMESPACE_BEGIN
+
+/* Tile */
+
+class Tile {
+public:
+	int x, y, w, h;
+
+	Tile(int x_, int y_, int w_, int h_)
+	: x(x_), y(y_), w(w_), h(h_) {}
+};
+
+/* Tile Manager */
+
+class TileManager {
+public:
+	struct State {
+		int width;
+		int height;
+		int sample;
+		int resolution;
+		list<Tile> tiles;
+	} state;
+
+	TileManager(bool progressive, int samples, int tile_size, int min_size);
+	~TileManager();
+
+	void reset(int width, int height, int samples);
+	void set_samples(int samples);
+	bool next();
+	bool done();
+
+protected:
+	void set_tiles();
+
+	bool progressive;
+	int samples;
+	int tile_size;
+	int min_size;
+
+	int full_width;
+	int full_height;
+	int start_resolution;
+};
+
+CCL_NAMESPACE_END
+
+#endif /* __TILE_H__ */
+