1 files changed, 39 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/scene_graph/SceneHash.cpp b/source/blender/freestyle/intern/scene_graph/SceneHash.cpp
new file mode 100644
index 00000000000..6e8856f1b93
--- /dev/null
+++ b/source/blender/freestyle/intern/scene_graph/SceneHash.cpp
@@ -0,0 +1,39 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/freestyle/intern/scene_graph/SceneHash.cpp
+ *  \ingroup freestyle
+ */
+
+#include "SceneHash.h"
+
+namespace Freestyle {
+
+void SceneHash::visitIndexedFaceSet(IndexedFaceSet& ifs)
+{
+	const real *v = ifs.vertices();
+	const unsigned n = ifs.vsize();
+
+	for (unsigned i = 0; i < n; i++) {
+		_hashcode += v[i];
+	}
+}
+
+} /* namespace Freestyle */