/usr/include/osgUtil/ShaderGen is in libopenscenegraph-dev 3.2.1-6.
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 | /* -*-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.
*/
/**
* \brief Shader generator framework.
* \author Maciej Krol
*/
#ifndef OSGUTIL_SHADER_STATE_
#define OSGUTIL_SHADER_STATE_ 1
#include <osgUtil/Export>
#include <osg/NodeVisitor>
#include <osg/State>
namespace osgUtil
{
class OSGUTIL_EXPORT ShaderGenCache : public osg::Referenced
{
public:
enum StateMask
{
BLEND = 1,
LIGHTING = 2,
FOG = 4,
DIFFUSE_MAP = 8, //< Texture in unit 0
NORMAL_MAP = 16 //< Texture in unit 1 and vertex attribute array 6
};
typedef std::map<int, osg::ref_ptr<osg::StateSet> > StateSetMap;
ShaderGenCache() {};
void setStateSet(int stateMask, osg::StateSet *program);
osg::StateSet *getStateSet(int stateMask) const;
osg::StateSet *getOrCreateStateSet(int stateMask);
protected:
osg::StateSet *createStateSet(int stateMask) const;
mutable OpenThreads::Mutex _mutex;
StateSetMap _stateSetMap;
};
class OSGUTIL_EXPORT ShaderGenVisitor : public osg::NodeVisitor
{
public:
ShaderGenVisitor();
ShaderGenVisitor(ShaderGenCache *stateCache);
void setStateCache(ShaderGenCache *stateCache) { _stateCache = stateCache; }
ShaderGenCache *getStateCache() const { return _stateCache.get(); }
/// Top level state set applied as the first one.
void setRootStateSet(osg::StateSet *stateSet);
osg::StateSet *getRootStateSet() const { return _rootStateSet.get(); }
void apply(osg::Node &node);
void apply(osg::Geode &geode);
void reset();
protected:
void update(osg::Drawable *drawable);
osg::ref_ptr<ShaderGenCache> _stateCache;
osg::ref_ptr<osg::State> _state;
osg::ref_ptr<osg::StateSet> _rootStateSet;
};
}
#endif
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