From Cedric Pinson, The following commit include:

* Refactore of RigGeometry to support hardware skinning
* Refactore of Timeline to split Action in differents files
* Add example how to use hardware skinning

include/osgAnimation/RigTransform

@@ -0,0 +1,40 @@
+/*  -*-c++-*- 
+ *  Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library 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 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef OSGANIMATION_RIGTRANSFORM_H
+#define OSGANIMATION_RIGTRANSFORM_H
+
+#include <osg/Referenced>
+
+namespace osgAnimation
+{
+
+    class RigGeometry;
+
+    class RigTransform : public osg::Referenced
+    {
+    public:
+        RigTransform() : _needInit(true) {}
+        virtual ~RigTransform() {}
+        bool needInit() const { return _needInit; }
+        virtual bool init(RigGeometry&) = 0;
+        virtual void update(RigGeometry&) = 0;
+
+    protected:
+        bool _needInit;
+    };
+
+}
+
+#endif