Added lazy setting of the UserDataContainer to avoid unncessarily create a UserDataContain when an empty description list is passed to Node::setDescriptions(..)

2013-07-23 10:24:28 +00:00 · 2013-07-23 10:24:28 +00:00 · c21b60b038
commit c21b60b038
parent 51075421d3
1 changed files with 5 additions and 1 deletions
--- a/src/osg/Node.cpp
+++ b/src/osg/Node.cpp
@ -475,7 +475,11 @@ bool Node::containsOccluderNodes() const

 void Node::setDescriptions(const DescriptionList& descriptions)
 {
+    // only assign a description list (and associated UseDataContainer) if we need to.
+    if (!descriptions.empty() || getUserDataContainer())
+    {
        getOrCreateUserDataContainer()->setDescriptions(descriptions);
+    }
 }

 Node::DescriptionList& Node::getDescriptions()