From 6227aa62517fe4deae35aea2b7a0c431f49b7080 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 13 Aug 2004 10:46:04 +0000
Subject: [PATCH] Fixes for OSX.

---
 include/osgFX/Registry    | 13 +++----------
 include/osgGL2/Extensions |  3 +--
 src/osgFX/Registry.cpp    |  7 ++++++-
 3 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/include/osgFX/Registry b/include/osgFX/Registry
index 8b9844184..e36d632c4 100644
--- a/include/osgFX/Registry
+++ b/include/osgFX/Registry
@@ -26,7 +26,7 @@
 namespace osgFX
 {
 
-    class OSGFX_EXPORT Registry {
+    class OSGFX_EXPORT Registry : public osg::Referenced{
     public:
 
         struct Proxy {
@@ -38,7 +38,7 @@ namespace osgFX
 
         typedef std::map<std::string, osg::ref_ptr<const Effect> > Effect_map;
 
-        inline static Registry *instance();
+        static Registry *instance();
 
         inline void registerEffect(const Effect *effect);
 
@@ -51,19 +51,12 @@ namespace osgFX
         ~Registry() {}
 
     private:
-        static Registry *instance_;
         Effect_map effects_;
     };
 
     // INLINE METHODS
 
-    inline Registry *Registry::instance()
-    {
-        if (!instance_) {
-            instance_ = new Registry;
-        }
-        return instance_;
-    }
+    
 
     inline const Registry::Effect_map &Registry::getEffectMap() const
     {
diff --git a/include/osgGL2/Extensions b/include/osgGL2/Extensions
index c87860cfd..cae6ac2cd 100644
--- a/include/osgGL2/Extensions
+++ b/include/osgGL2/Extensions
@@ -139,8 +139,7 @@ class OSGGL2_EXPORT Extensions : public osg::Referenced
 	/** are all the extensions required for GLSL supported? */
 	bool isGlslSupported() const { return ( _isShaderObjectsSupported &&
 	                                        _isVertexShaderSupported && 
-	                                        _isFragmentShaderSupported && 
-	                                        _isLanguage100Supported ); }
+	                                        _isFragmentShaderSupported ); }
 
 	void setShaderObjectsSupported(bool flag) { _isShaderObjectsSupported = flag; }
 	bool isShaderObjectsSupported() const { return _isShaderObjectsSupported; }
diff --git a/src/osgFX/Registry.cpp b/src/osgFX/Registry.cpp
index f5dbb3fdd..68f719fc4 100644
--- a/src/osgFX/Registry.cpp
+++ b/src/osgFX/Registry.cpp
@@ -2,8 +2,13 @@
 
 using namespace osgFX;
 
-Registry *Registry::instance_ = 0;
 
+Registry *Registry::instance()
+{
+    static osg::ref_ptr<Registry> s_instance = new Registry;
+    return s_instance.get();
+}
+    
 Registry::Registry()
 {
 }