Added support for osg_FrameNumber, osg_FrameTime, osg_ViewMatrix, osg_InverseViewMatrix

into SceneView, controlled via a setActiveUniforms(.) method.

include/osg/StateSet

@@ -307,6 +307,9 @@ class OSG_EXPORT StateSet : public Object
           * Returns NULL if no matching Uniform is contained within StateSet.*/
         Uniform* getUniform(const std::string& name);
 
+        /** Get Uniform for specified name, if one is not available create it, add it to this StateSet and return a pointer to it.*/
+        Uniform* getOrCreateUniform(const std::string& name, Uniform::Type type);
+
         /** Get const Uniform for specified name.
           * Returns NULL if no matching Uniform is contained within StateSet.*/
         const Uniform* getUniform(const std::string& name) const;