fix a rig bug visible with OSG_VERTEX_BUFFER_HINT=VAO

components/sceneutil/morphgeometry.cpp

@@ -30,6 +30,7 @@ void MorphGeometry::setSourceGeometry(osg::ref_ptr<osg::Geometry> sourceGeom)
     for (unsigned int i=0; i<2; ++i)
     {
         mGeometry[i] = new osg::Geometry(*mSourceGeometry, osg::CopyOp::SHALLOW_COPY);
+        mGeometry[i]->setDataVariance(osg::Object::DYNAMIC);
 
         const osg::Geometry& from = *mSourceGeometry;
         osg::Geometry& to = *mGeometry[i];

components/sceneutil/riggeometry.cpp

@@ -63,6 +63,7 @@ void RigGeometry::setSourceGeometry(osg::ref_ptr<osg::Geometry> sourceGeometry)
     {
         const osg::Geometry& from = *sourceGeometry;
         mGeometry[i] = new osg::Geometry(from, osg::CopyOp::SHALLOW_COPY);
+        mGeometry[i]->setDataVariance(osg::Object::DYNAMIC);
         osg::Geometry& to = *mGeometry[i];
         to.setSupportsDisplayList(false);
         to.setUseVertexBufferObjects(true);