Moved the ArrayDispatchers management so that osg::State now has a ArrayDispatchers object that any osg::Geometry can reuse,

and optimized the implementation to reduce the CPU overhead.

include/osg/State

@@ -26,6 +26,7 @@
 #include <osg/Polytope>
 #include <osg/Viewport>
 #include <osg/GLBeginEndAdapter>
+#include <osg/ArrayDispatchers>
 
 #include <vector>
 #include <map>
@@ -1246,6 +1247,8 @@ class OSG_EXPORT State : public Referenced, public Observer
         /** get the GL adapter object used to map OpenGL 1.0 glBegin/glEnd usage to vertex arrays.*/
         inline GLBeginEndAdapter& getGLBeginEndAdapter() { return _glBeginEndAdapter; }
 
+        /** get the helper class for dispatching osg::Arrays as OpenGL attribute data.*/
+        inline ArrayDispatchers& getArrayDispatchers() { return _arrayDispatchers; }
 
     protected:
 
@@ -1558,6 +1561,7 @@ class OSG_EXPORT State : public Referenced, public Observer
         osg::ref_ptr<DynamicObjectRenderingCompletedCallback>   _completeDynamicObjectRenderingCallback;
 
         GLBeginEndAdapter           _glBeginEndAdapter;
+        ArrayDispatchers            _arrayDispatchers;
 
 };