/usr/include/simgear/scene/material/Technique.hxx is in libsimgear-dev 3.4.0-3.
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 | // Copyright (C) 2008 Timothy Moore timoore@redhat.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef SIMGEAR_TECHNIQUE_HXX
#define SIMGEAR_TECHNIQUE_HXX 1
#include "EffectGeode.hxx"
#include <simgear/structure/SGAtomic.hxx>
#include <simgear/structure/SGExpression.hxx>
#include <map>
#include <vector>
#include <string>
#include <OpenThreads/Mutex>
#include <osg/buffered_value>
#include <osg/Geode>
#include <osg/Object>
#include <osg/GraphicsThread>
namespace osg
{
class CopyOp;
class Drawable;
class RenderInfo;
class StateSet;
}
namespace osgUtil
{
class CullVisitor;
}
namespace simgear
{
class Pass;
class Technique : public osg::Object
{
public:
META_Object(simgear,Technique);
Technique(bool alwaysValid = false);
Technique(const Technique& rhs,
const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
virtual ~Technique();
enum Status
{
UNKNOWN,
QUERY_IN_PROGRESS,
INVALID,
VALID
};
/** Returns the validity of a technique in a state. If we don't
* know, a query will be launched.
*/
virtual Status valid(osg::RenderInfo* renderInfo);
/** Returns the validity of the technique without launching a
* query.
*/
Status getValidStatus(const osg::RenderInfo* renderInfo) const;
/** Tests and sets the validity of the Technique. Must be run in a
*graphics context.
*/
virtual void validateInContext(osg::GraphicsContext* gc);
virtual EffectGeode::DrawablesIterator
processDrawables(const EffectGeode::DrawablesIterator& begin,
const EffectGeode::DrawablesIterator& end,
osgUtil::CullVisitor* cv,
bool isCullingActive);
std::vector<osg::ref_ptr<Pass> > passes;
osg::StateSet* getShadowingStateSet() { return _shadowingStateSet.get(); }
const osg::StateSet* getShadowingStateSet() const
{
return _shadowingStateSet.get();
}
void setShadowingStateSet(osg::StateSet* ss) { _shadowingStateSet = ss; }
virtual void resizeGLObjectBuffers(unsigned int maxSize);
virtual void releaseGLObjects(osg::State* state = 0) const;
bool getAlwaysValid() const { return _alwaysValid; }
void setAlwaysValid(bool val) { _alwaysValid = val; }
void setValidExpression(SGExpressionb* exp,
const simgear::expression::BindingLayout&);
void setGLExtensionsPred(float glVersion,
const std::vector<std::string>& extensions);
void refreshValidity();
protected:
// Validity of technique in a graphics context.
struct ContextInfo : public osg::Referenced
{
ContextInfo() : valid(UNKNOWN) {}
ContextInfo(const ContextInfo& rhs) : osg::Referenced(rhs), valid(rhs.valid()) {}
ContextInfo& operator=(const ContextInfo& rhs)
{
valid = rhs.valid;
return *this;
}
Swappable<Status> valid;
};
typedef osg::buffered_object<ContextInfo> ContextMap;
mutable ContextMap _contextMap;
bool _alwaysValid;
osg::ref_ptr<osg::StateSet> _shadowingStateSet;
SGSharedPtr<SGExpressionb> _validExpression;
int _contextIdLocation;
};
class TechniquePredParser : public expression::ExpressionParser
{
public:
void setTechnique(Technique* tniq) { _tniq = tniq; }
Technique* getTechnique() { return _tniq.get(); }
// void setEffect(Effect* effect) { _effect = effect; }
// Effect* getEffect() { return _effect.get(); }
protected:
osg::ref_ptr<Technique> _tniq;
// osg::ref_ptr<Effect> _effect;
};
}
#endif
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