Added #defines for GL3 build

include/osg/Fog

@@ -30,6 +30,10 @@
     #define GL_EXP2     0x0801
 #endif
 
+#ifndef GL_FOG_HINT
+    #define GL_FOG_HINT 0x0C54
+#endif
+
 namespace osg {
 
 

include/osg/Point

@@ -21,6 +21,10 @@
     #define GL_POINT_SMOOTH     0x0B10
 #endif
 
+#ifndef GL_POINT_SMOOTH_HINT
+    #define GL_POINT_SMOOTH_HINT 0x0C51
+#endif
+
 namespace osg {
 
 /** Point - encapsulates the OpenGL point smoothing and size state.*/

src/osgWrappers/serializers/osg/Camera.cpp

@@ -3,6 +3,10 @@
 #include <osgDB/InputStream>
 #include <osgDB/OutputStream>
 
+#ifndef GL_ACCUM_BUFFER_BIT
+    #define GL_ACCUM_BUFFER_BIT 0x00000200
+#endif
+
 BEGIN_USER_TABLE( RenderOrder, osg::Camera );
     ADD_USER_VALUE( PRE_RENDER );
     ADD_USER_VALUE( NESTED_RENDER );

src/osgWrappers/serializers/osg/ClearNode.cpp

@@ -3,6 +3,10 @@
 #include <osgDB/InputStream>
 #include <osgDB/OutputStream>
 
+#ifndef GL_ACCUM_BUFFER_BIT
+    #define GL_ACCUM_BUFFER_BIT 0x00000200
+#endif
+
 // _clearMask
 static bool checkClearMask( const osg::ClearNode& node )
 {