/usr/include/osgEarth/ShaderGenerator is in libosgearth-dev 2.4.0+dfsg-6.
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 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2011 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.
*
* This program 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
* GNU Lesser General Public License for more details.
*
* 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_SHADER_GENERATOR_H
#define OSGEARTH_SHADER_GENERATOR_H 1
#include <osgEarth/Common>
#include <osgEarth/StateSetCache>
#include <osgEarth/VirtualProgram>
#include <osg/NodeVisitor>
#include <osg/State>
namespace osgEarth
{
/**
* Utility class that will traverse a scene graph and generate a
* set of VirtualProgram attributes to render it as best it can using
* shaders.
*
* Usage:
*
* ShaderGenerator gen;
* graph->accept( gen );
*/
class OSGEARTH_EXPORT ShaderGenerator : public osg::NodeVisitor
{
public:
/**
* Constructs a new shader generator
*/
ShaderGenerator();
/**
* Constructs a new shader generator that will use an external
* state set cache to optimize state changes.
*/
ShaderGenerator( StateSetCache* cache );
/** dtor. */
virtual ~ShaderGenerator() { }
public: // osg::NodeVisitor
void apply( osg::Node& );
void apply( osg::Geode& );
void apply( osg::PagedLOD& );
void apply( osg::ProxyNode& );
protected:
void apply( osg::Drawable* );
bool processGeometry( osg::StateSet* stateSet, osg::ref_ptr<osg::StateSet>& replacement );
bool processText( osg::StateSet* stateSet, osg::ref_ptr<osg::StateSet>& replacement );
osg::ref_ptr<osg::State> _state;
osg::ref_ptr<StateSetCache> _stateSetCache;
osg::ref_ptr<VirtualProgram> _defaultVP;
};
} // namespace osgEarth
#endif // OSGEARTH_SHADER_GENERATOR_H
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