/usr/include/osgVolume/VolumeTechnique is in libopenscenegraph-3.4-dev 3.4.0+dfsg1-4+b3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* -*-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 OSGVOLUME_VOLUMETECHNIQUE
#define OSGVOLUME_VOLUMETECHNIQUE 1
#include <osg/Object>
#include <osgUtil/UpdateVisitor>
#include <osgUtil/CullVisitor>
#include <osgVolume/Export>
namespace osgVolume {
class VolumeTile;
/** Container for render to texture objects used when doing multi-pass volume rendering techniques.*/
struct TileData : public osg::Referenced
{
TileData() : active(false) {}
virtual void update(osgUtil::CullVisitor* cv) = 0;
bool active;
osg::NodePath nodePath;
osg::ref_ptr<osg::RefMatrix> projectionMatrix;
osg::ref_ptr<osg::RefMatrix> modelviewMatrix;
osg::ref_ptr<osg::StateSet> stateset;
};
class OSGVOLUME_EXPORT VolumeTechnique : public osg::Object
{
public:
VolumeTechnique();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
VolumeTechnique(const VolumeTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgVolume, VolumeTechnique);
VolumeTile* getVolumeTile() { return _volumeTile; }
const VolumeTile* getVolumeTile() const { return _volumeTile; }
virtual void init();
virtual void update(osgUtil::UpdateVisitor* nv);
virtual bool isMoving(osgUtil::CullVisitor* nv);
virtual void cull(osgUtil::CullVisitor* nv);
/** Clean scene graph from any terrain technique specific nodes.*/
virtual void cleanSceneGraph();
/** Traverse the terrain subgraph.*/
virtual void traverse(osg::NodeVisitor& nv);
/** Called from VolumeScene to create the TileData container when a multi-pass technique is being used.
* The TileData container caches any render to texture objects that are required. */
virtual TileData* createTileData(osgUtil::CullVisitor* /*cv*/) { return 0; }
protected:
void setDirty(bool dirty);
virtual ~VolumeTechnique();
friend class osgVolume::VolumeTile;
VolumeTile* _volumeTile;
typedef std::map<osgUtil::CullVisitor::Identifier*, osg::Matrix> ModelViewMatrixMap;
OpenThreads::Mutex _mutex;
ModelViewMatrixMap _modelViewMatrixMap;
};
}
#endif
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