dfb0b2ab8e
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14534 16af8721-9629-0410-8352-f15c8da7e697
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGTERRAIN_DISPLACEMENTMAPPINGTECHNIQUE
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#define OSGTERRAIN_DISPLACEMENTMAPPINGTECHNIQUE
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#include <OpenThreads/Mutex>
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#include <osg/MatrixTransform>
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#include <osg/Program>
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#include <osgTerrain/GeometryTechnique>
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#include <osgTerrain/GeometryPool>
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namespace osgTerrain
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{
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class DisplacementMappingTechnique : public osgTerrain::TerrainTechnique
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{
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public:
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DisplacementMappingTechnique();
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DisplacementMappingTechnique(const DisplacementMappingTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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META_Object(osgTerrain, DisplacementMappingTechnique);
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virtual void init(int dirtyMask, bool assumeMultiThreaded);
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virtual void update(osgUtil::UpdateVisitor* uv);
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virtual void cull(osgUtil::CullVisitor* cv);
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virtual void traverse(osg::NodeVisitor& nv);
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virtual void cleanSceneGraph();
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virtual void releaseGLObjects(osg::State* state) const;
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protected:
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virtual ~DisplacementMappingTechnique();
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osg::ref_ptr<GeometryPool> _geometryPool;
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mutable OpenThreads::Mutex _traversalMutex;
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mutable OpenThreads::Mutex _transformMutex;
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osg::ref_ptr<osg::MatrixTransform> _transform;
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OpenThreads::Atomic _currentTraversalCount;
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};
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}
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#endif
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