Renamed ShaderTerrain to DisplacementMappingTechnique and moved it from the osgterrain example testbed into the osgTerrain NodeKit

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14534 16af8721-9629-0410-8352-f15c8da7e697

include/osgTerrain/DisplacementMappingTechnique

@@ -0,0 +1,60 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 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 OSGTERRAIN_DISPLACEMENTMAPPINGTECHNIQUE
+#define OSGTERRAIN_DISPLACEMENTMAPPINGTECHNIQUE
+
+#include <OpenThreads/Mutex>
+#include <osg/MatrixTransform>
+#include <osg/Program>
+#include <osgTerrain/GeometryTechnique>
+#include <osgTerrain/GeometryPool>
+
+namespace osgTerrain
+{
+
+class DisplacementMappingTechnique : public osgTerrain::TerrainTechnique
+{
+    public:
+
+        DisplacementMappingTechnique();
+
+        DisplacementMappingTechnique(const DisplacementMappingTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
+
+        META_Object(osgTerrain, DisplacementMappingTechnique);
+
+        virtual void init(int dirtyMask, bool assumeMultiThreaded);
+        virtual void update(osgUtil::UpdateVisitor* uv);
+        virtual void cull(osgUtil::CullVisitor* cv);
+        virtual void traverse(osg::NodeVisitor& nv);
+        virtual void cleanSceneGraph();
+        virtual void releaseGLObjects(osg::State* state) const;
+
+    protected:
+
+        virtual ~DisplacementMappingTechnique();
+
+        osg::ref_ptr<GeometryPool> _geometryPool;
+
+        mutable OpenThreads::Mutex              _traversalMutex;
+
+        mutable OpenThreads::Mutex              _transformMutex;
+        osg::ref_ptr<osg::MatrixTransform>      _transform;
+
+        OpenThreads::Atomic                     _currentTraversalCount;
+
+};
+
+}
+
+#endif

include/osgTerrain/GeometryPool

@@ -1,4 +1,4 @@
-/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 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