restore 'double checked locking'

2007-01-29 08:19:13 +00:00
parent ad9341835f
commit aacdcad529
1 changed files with 3 additions and 1 deletions
--- a/simgear/scene/model/shadanim.cxx
+++ b/simgear/scene/model/shadanim.cxx
@@ -126,7 +126,9 @@ private:
 static osg::TextureCubeMap*
 getOrCreateTextureCubeMap()
 {
-   static osg::ref_ptr<osg::TextureCubeMap> textureCubeMap;
+  static osg::ref_ptr<osg::TextureCubeMap> textureCubeMap;
+  if (textureCubeMap.get())
+    return textureCubeMap.get();

  static SGMutex mutex;
  SGGuard<SGMutex> locker(mutex);