From 38510a56c206520472e505c7fca24f6f3b6275e5 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Sun, 22 Nov 2015 21:19:55 +0100
Subject: [PATCH] GeomMorpherController: do not dirty the MorphGeometry unless
 necessary

---
 components/nifosg/controller.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/components/nifosg/controller.cpp b/components/nifosg/controller.cpp
index 4dfa4b304..93c1de89a 100644
--- a/components/nifosg/controller.cpp
+++ b/components/nifosg/controller.cpp
@@ -235,7 +235,12 @@ void GeomMorpherController::update(osg::NodeVisitor *nv, osg::Drawable *drawable
                 val = interpKey((*it)->mKeys, input);
             val = std::max(0.f, std::min(1.f, val));
 
-            morphGeom->setWeight(i, val);
+            osgAnimation::MorphGeometry::MorphTarget& target = morphGeom->getMorphTarget(i);
+            if (target.getWeight() != val)
+            {
+                target.setWeight(val);
+                morphGeom->dirty();
+            }
         }
     }