/usr/include/osgEarthDrivers/engine_mp/TileModelCompiler is in libosgearth-dev 2.7.0+dfsg-2+b3.
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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 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTH_DRIVERS_MP_TERRAIN_ENGINE_TILE_MODEL_COMPILER
#define OSGEARTH_DRIVERS_MP_TERRAIN_ENGINE_TILE_MODEL_COMPILER 1
#include "Common"
#include "TileModel"
#include "TileNode"
#include "MPTerrainEngineOptions"
#include <osgEarth/Map>
#include <osgEarth/Locators>
#include <osgEarth/Progress>
#include <osg/Node>
#include <osg/StateSet>
#include <osg/Drawable>
#include <osg/Array>
namespace osgEarth { namespace Drivers { namespace MPTerrainEngine
{
using namespace osgEarth;
/**
* Cache used by the TileModelCompiler. This lets us share common data across
* compilations. Since the compiler is thread-locked, we just have a separate
* cache per compiler.
*
* Important Note! Any array you store in the cache MUST have it's OWN
* unique VBO. Call array->setVertexBufferObject( new osg::VertexBufferObject() )
* to assign one. This will prevent non-thread-safe buffer object sharing.
*/
struct CompilerCache
{
// Texture coordinate array cache def
struct TexCoordTableKey {
osg::ref_ptr<const GeoLocator> _locator;
osg::Vec4d _mat;
unsigned _cols, _rows;
};
typedef std::pair< TexCoordTableKey, osg::ref_ptr<osg::Vec2Array> > LocatorTexCoordPair;
struct TexCoordArrayCache : public std::list<LocatorTexCoordPair>
{
osg::ref_ptr<osg::Vec2Array>& get( const osg::Vec4d& mat, unsigned cols, unsigned rows );
};
TexCoordArrayCache _surfaceTexCoordArrays;
TexCoordArrayCache _skirtTexCoordArrays;
};
/**
* Builds the actual tile geometry.
*
* When used with the KeyNodeFactory, there will be exactly one instance of this
* class per thread. So, we can expand this to include caches for commonly shared
* data like texture coordinate or color arrays.
*/
class TileModelCompiler : public osg::Referenced
{
public:
TileModelCompiler(
const MaskLayerVector& maskLayers,
const ModelLayerVector& modelLayers,
int textureImageUnit,
bool optimizeTriangleOrientation,
const MPTerrainEngineOptions& options);
/**
* Compiles a tile model into a TileNode.
*/
TileNode* compile(
TileModel* model,
const MapFrame& frame,
ProgressCallback* progress);
protected:
const MaskLayerVector& _maskLayers;
const ModelLayerVector& _modelLayers;
int _textureImageUnit;
bool _optimizeTriOrientation;
const MPTerrainEngineOptions& _options;
CompilerCache _cache;
bool _debug;
};
} } } // namespace osgEarth::Drivers::MPTerrainEngine
#endif // OSGEARTH_DRIVERS_MP_TERRAIN_ENGINE_TILE_MODEL_COMPILER
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