From a3c243f2669e98ef132d4203e9440cc23e26920f Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Wed, 4 Jan 2012 12:43:25 +0000
Subject: [PATCH] Mark NavDisplay stateSet as STATIC

---
 src/Instrumentation/NavDisplay.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Instrumentation/NavDisplay.cxx b/src/Instrumentation/NavDisplay.cxx
index 83de81bbf..7b7e3488a 100644
--- a/src/Instrumentation/NavDisplay.cxx
+++ b/src/Instrumentation/NavDisplay.cxx
@@ -443,7 +443,8 @@ NavDisplay::init ()
     
     osg::StateSet *stateSet = _geom->getOrCreateStateSet();
     stateSet->setTextureAttributeAndModes(0, _symbolTexture.get());
-    
+    stateSet->setDataVariance(osg::Object::STATIC);
+  
     // Initially allocate space for 128 quads
     _vertices = new osg::Vec2Array;
     _vertices->setDataVariance(osg::Object::DYNAMIC);