2.8 branch: Support for OS X 10.6. Several changes to GraphicsWIndowCocoa and DarwinUtils. The following trunk revisions were merged in this commit: 9879, 9895, 10208, 10340, 10417, 10456, 10622, 10858, and 10887.

include/osgViewer/api/Cocoa/GraphicsHandleCocoa

@@ -0,0 +1,53 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2009 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef OSGVIEWER_GRAPHICSHANDLECOCOA
+#define OSGVIEWER_GRAPHICSHANDLECOCOA 1
+
+#include <osgViewer/Export>
+
+
+#ifdef __OBJC__
+@class NSOpenGLContext;
+#else
+class NSOpenGLContext;
+#endif
+
+namespace osgViewer
+{
+
+/** Class to encapsulate platform-specific OpenGL context handle variables.
+  * Derived osg::GraphicsContext classes can inherit from this class to
+  * share OpenGL resources.*/
+
+class OSGVIEWER_EXPORT GraphicsHandleCocoa
+{
+    public:
+    
+        GraphicsHandleCocoa():
+            _context(0) {}
+
+        /** Set native AGL graphics context.*/        
+        inline void setNSOpenGLContext(NSOpenGLContext* context) { _context = context; }
+
+        /** Get native AGL graphics context.*/        
+        inline NSOpenGLContext* getNSOpenGLContext() const { return _context; }
+
+    protected:
+        
+        NSOpenGLContext*      _context;
+};
+
+}
+
+#endif