commit 57adc9df906ba9c06196e29b14a68a84f8159a01
Author: Tony Vasile <tony@CPE-143-238-68-252.lns6.cht.bigpond.net.au>
Date:   Tue Dec 15 00:02:54 2015 +1100

    Modified to compile against OpenSceneGraph 3.5.0

diff --git a/include/osgOcean/MipmapGeometryVBO b/include/osgOcean/MipmapGeometryVBO
index beb4615..3cbfb0c 100644
--- a/include/osgOcean/MipmapGeometryVBO
+++ b/include/osgOcean/MipmapGeometryVBO
@@ -144,7 +144,7 @@ namespace osgOcean
         * Rather than use standard computeBound() this computes the bounding box
         * using the offset and the worldSize.
         */
-        osg::BoundingBox computeBound( void ) const;
+        osg::BoundingSphere computeBound( void ) const;
 
         /** 
         * Set the tile offset for shader positioning.
@@ -164,7 +164,7 @@ namespace osgOcean
             }
             
             dirtyBound();
-            setBound( computeBound() );
+            setBound( getBoundingBox() );
         }
 
         /** 
diff --git a/src/osgOcean/MipmapGeometryVBO.cpp b/src/osgOcean/MipmapGeometryVBO.cpp
index 6faa71f..69b354d 100644
--- a/src/osgOcean/MipmapGeometryVBO.cpp
+++ b/src/osgOcean/MipmapGeometryVBO.cpp
@@ -83,8 +83,9 @@ namespace osgOcean
     {
     }
 
-    osg::BoundingBox MipmapGeometryVBO::computeBound( void ) const 
+    osg::BoundingSphere MipmapGeometryVBO::computeBound( void ) const 
     {
+/*
         osg::BoundingBox bb;
         
         bb.xMin() = _offset.x();
@@ -95,6 +96,8 @@ namespace osgOcean
         bb.zMax() = 5.f;
 
         return bb;
+*/
+        return osg::BoundingSphere(getBoundingBox());
     }
 
     bool MipmapGeometryVBO::updatePrimitives( unsigned int level, unsigned int levelRight, unsigned int levelBelow )
diff --git a/src/osgOcean/OceanScene.cpp b/src/osgOcean/OceanScene.cpp
index d6ddc42..a6612b7 100644
--- a/src/osgOcean/OceanScene.cpp
+++ b/src/osgOcean/OceanScene.cpp
@@ -881,7 +881,7 @@ void OceanScene::traverse( osg::NodeVisitor& nv )
 
                 bool surfaceVisible = _oceanSurface->isVisible(*cv, eyeAboveWater);
 
-                (*_oceanSurface->getCullCallback())(_oceanSurface.get(), &nv);
+                (*_oceanSurface->getCullCallback()).run(_oceanSurface.get(), &nv);
 
                 preRenderCull(*cv, eyeAboveWater, surfaceVisible);     // reflections/refractions
                 
diff --git a/src/osgOcean/SiltEffect.cpp b/src/osgOcean/SiltEffect.cpp
index 7ab41cd..2623d89 100644
--- a/src/osgOcean/SiltEffect.cpp
+++ b/src/osgOcean/SiltEffect.cpp
@@ -22,6 +22,7 @@
 #include <osgUtil/CullVisitor>
 #include <osgUtil/GLObjectsVisitor>
 
+#include <osg/GLExtensions>
 #include <osg/Notify>
 #include <osg/io_utils>
 #include <osg/Timer>
@@ -648,8 +649,6 @@ void SiltEffect::SiltDrawable::drawImplementation(osg::RenderInfo& renderInfo) c
 {
     if (!_geometry) return;
 
-    const osg::Geometry::Extensions* extensions = osg::Geometry::getExtensions(renderInfo.getContextID(),true);
-
     glPushMatrix();
 
     typedef std::vector<const CellMatrixMap::value_type*> DepthMatrixStartTimeVector;
@@ -669,7 +668,7 @@ void SiltEffect::SiltDrawable::drawImplementation(osg::RenderInfo& renderInfo) c
         itr != orderedEntries.rend();
         ++itr)
     {
-        extensions->glMultiTexCoord1f(GL_TEXTURE0+1, (*itr)->second.startTime);
+        glMultiTexCoord1f(GL_TEXTURE0+1, (*itr)->second.startTime);
 
         glMatrixMode( GL_MODELVIEW );
         glLoadMatrix((*itr)->second.modelview.ptr());