From ce79b7efd50e7b086c12f8e16f97f771224bbbe1 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Tue, 2 Oct 2007 20:55:33 +0000
Subject: [PATCH] Added a #ifdef 0  code block to test setting of the
 StateSetManipulator's DataVariance to DYNAMIC to solve a threading issue
 relating to mixing of StateSetManipulator and DrawThreadPerContext.

---
 src/osgGA/StateSetManipulator.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/osgGA/StateSetManipulator.cpp b/src/osgGA/StateSetManipulator.cpp
index a126b1284..30b56f900 100644
--- a/src/osgGA/StateSetManipulator.cpp
+++ b/src/osgGA/StateSetManipulator.cpp
@@ -33,6 +33,13 @@ StateSetManipulator::~StateSetManipulator()
 void StateSetManipulator::setStateSet(StateSet *stateset)
 {
     _stateset = stateset;
+#if 0
+    // specify that this stateset is dynamic so it prevents 
+    // the draw and update phase from overlapping - good for 
+    // stability but breaks all the performance advantage of 
+    // DrawThreadPerContex.
+    _stateset->setDataVariance(osg::Object::DYNAMIC);
+#endif
 }
 
 StateSet *StateSetManipulator::getStateSet()