/usr/include/osgTerrain/GeometryPool is in libopenscenegraph-3.4-dev 3.4.1+dfsg1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 | /* -*-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_GEOMETRYPOOL
#define OSGTERRAIN_GEOMETRYPOOL 1
#include <osg/Geometry>
#include <osg/MatrixTransform>
#include <osg/Program>
#include <OpenThreads/Mutex>
#include <osgTerrain/TerrainTile>
namespace osgTerrain {
extern OSGTERRAIN_EXPORT const osgTerrain::Locator* computeMasterLocator(const osgTerrain::TerrainTile* tile);
class OSGTERRAIN_EXPORT SharedGeometry : public osg::Drawable
{
public:
SharedGeometry();
SharedGeometry(const SharedGeometry&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Node(osgTerrain, SharedGeometry);
void setVertexArray(osg::Array* array) { _vertexArray = array; }
osg::Array* getVertexArray() { return _vertexArray.get(); }
const osg::Array* getVertexArray() const { return _vertexArray.get(); }
void setNormalArray(osg::Array* array) { _normalArray = array; }
osg::Array* getNormalArray() { return _normalArray.get(); }
const osg::Array* getNormalArray() const { return _normalArray.get(); }
void setColorArray(osg::Array* array) { _colorArray = array; }
osg::Array* getColorArray() { return _colorArray.get(); }
const osg::Array* getColorArray() const { return _colorArray.get(); }
void setTexCoordArray(osg::Array* array) { _texcoordArray = array; }
osg::Array* getTexCoordArray() { return _texcoordArray.get(); }
const osg::Array* getTexCoordArray() const { return _texcoordArray.get(); }
void setDrawElements(osg::DrawElements* array) { _drawElements = array; }
osg::DrawElements* getDrawElements() { return _drawElements.get(); }
const osg::DrawElements* getDrawElements() const { return _drawElements.get(); }
typedef std::vector<unsigned int> VertexToHeightFieldMapping;
void setVertexToHeightFieldMapping(const VertexToHeightFieldMapping& vthfm) { _vertexToHeightFieldMapping = vthfm; }
VertexToHeightFieldMapping& getVertexToHeightFieldMapping() { return _vertexToHeightFieldMapping; }
const VertexToHeightFieldMapping& getVertexToHeightFieldMapping() const { return _vertexToHeightFieldMapping; }
void compileGLObjects(osg::RenderInfo& renderInfo) const;
void drawImplementation(osg::RenderInfo& renderInfo) const;
void resizeGLObjectBuffers(unsigned int maxSize);
void releaseGLObjects(osg::State* state) const;
virtual bool supports(const osg::Drawable::AttributeFunctor&) const { return true; }
virtual void accept(osg::Drawable::AttributeFunctor&);
virtual bool supports(const osg::Drawable::ConstAttributeFunctor&) const { return true; }
virtual void accept(osg::Drawable::ConstAttributeFunctor&) const;
virtual bool supports(const osg::PrimitiveFunctor&) const { return true; }
virtual void accept(osg::PrimitiveFunctor&) const;
virtual bool supports(const osg::PrimitiveIndexFunctor&) const { return true; }
virtual void accept(osg::PrimitiveIndexFunctor&) const;
protected:
virtual ~SharedGeometry();
osg::ref_ptr<osg::Array> _vertexArray;
osg::ref_ptr<osg::Array> _normalArray;
osg::ref_ptr<osg::Array> _colorArray;
osg::ref_ptr<osg::Array> _texcoordArray;
osg::ref_ptr<osg::DrawElements> _drawElements;
VertexToHeightFieldMapping _vertexToHeightFieldMapping;
};
class OSGTERRAIN_EXPORT GeometryPool : public osg::Referenced
{
public:
GeometryPool();
struct GeometryKey
{
GeometryKey(): sx(0.0), sy(0.0), y(0.0), nx(0), ny(0) {}
bool operator < (const GeometryKey& rhs) const
{
if (sx<rhs.sx) return true;
if (sx>rhs.sx) return false;
if (sx<rhs.sx) return true;
if (sx>rhs.sx) return false;
if (y<rhs.y) return true;
if (y>rhs.y) return false;
if (nx<rhs.nx) return true;
if (nx>rhs.nx) return false;
return (ny<rhs.ny);
}
double sx;
double sy;
double y;
int nx;
int ny;
};
typedef std::map< GeometryKey, osg::ref_ptr<SharedGeometry> > GeometryMap;
virtual bool createKeyForTile(TerrainTile* tile, GeometryKey& key);
enum LayerType
{
HEIGHTFIELD_LAYER,
COLOR_LAYER,
CONTOUR_LAYER
};
typedef std::vector<LayerType> LayerTypes;
typedef std::map<LayerTypes, osg::ref_ptr<osg::Program> > ProgramMap;
osg::StateSet* getRootStateSetForTerrain(Terrain* terrain);
virtual osg::ref_ptr<osg::Program> getOrCreateProgram(LayerTypes& layerTypes);
virtual osg::ref_ptr<SharedGeometry> getOrCreateGeometry(osgTerrain::TerrainTile* tile);
virtual osg::ref_ptr<osg::MatrixTransform> getTileSubgraph(osgTerrain::TerrainTile* tile);
virtual void applyLayers(osgTerrain::TerrainTile* tile, osg::StateSet* stateset);
protected:
virtual ~GeometryPool();
OpenThreads::Mutex _geometryMapMutex;
GeometryMap _geometryMap;
OpenThreads::Mutex _programMapMutex;
ProgramMap _programMap;
osg::ref_ptr<osg::StateSet> _rootStateSet;
bool _rootStateSetAssigned;
};
class OSGTERRAIN_EXPORT HeightFieldDrawable : public osg::Drawable
{
public:
HeightFieldDrawable();
HeightFieldDrawable(const HeightFieldDrawable&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Node(osgTerrain, HeightFieldDrawable);
void setHeightField(osg::HeightField* hf) { _heightField = hf; }
osg::HeightField* getHeightField() { return _heightField.get(); }
const osg::HeightField* getHeightField() const { return _heightField.get(); }
void setGeometry(SharedGeometry* geom) { _geometry = geom; }
SharedGeometry* getGeometry() { return _geometry.get(); }
const SharedGeometry* getGeometry() const { return _geometry.get(); }
void setVertices(osg::Vec3Array* vertices) { _vertices = vertices; }
osg::Vec3Array* getVertices() { return _vertices.get(); }
const osg::Vec3Array* getVertices() const { return _vertices.get(); }
virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
virtual void compileGLObjects(osg::RenderInfo& renderInfo) const;
virtual void resizeGLObjectBuffers(unsigned int maxSize);
virtual void releaseGLObjects(osg::State* state=0) const;
virtual bool supports(const osg::Drawable::AttributeFunctor&) const { return true; }
virtual void accept(osg::Drawable::AttributeFunctor&);
virtual bool supports(const osg::Drawable::ConstAttributeFunctor&) const { return true; }
virtual void accept(osg::Drawable::ConstAttributeFunctor&) const;
virtual bool supports(const osg::PrimitiveFunctor&) const { return true; }
virtual void accept(osg::PrimitiveFunctor&) const;
virtual bool supports(const osg::PrimitiveIndexFunctor&) const { return true; }
virtual void accept(osg::PrimitiveIndexFunctor&) const;
protected:
virtual ~HeightFieldDrawable();
osg::ref_ptr<osg::HeightField> _heightField;
osg::ref_ptr<SharedGeometry> _geometry;
osg::ref_ptr<osg::Vec3Array> _vertices;
};
}
#endif
|