/usr/include/osg/buffered_value is in libopenscenegraph-dev 3.0.1-4.
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 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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 OSG_BUFFERED_VALUE
#define OSG_BUFFERED_VALUE 1
#include <osg/DisplaySettings>
#include <vector>
namespace osg {
/** Implements a simple buffered value for values that need to be buffered on
* a per graphics context basis.
*/
template<class T>
class buffered_value
{
public:
inline buffered_value():
_array(DisplaySettings::instance()->getMaxNumberOfGraphicsContexts(),0)
{}
inline buffered_value(unsigned int size):
_array(size,0)
{}
buffered_value& operator = (const buffered_value& rhs)
{
_array = rhs._array;
return *this;
}
inline void setAllElementsTo(const T& t) { std::fill(_array.begin(),_array.end(),t); }
inline void clear() { _array.clear(); }
inline bool empty() const { return _array.empty(); }
inline unsigned int size() const { return _array.size(); }
inline void resize(unsigned int newSize) { _array.resize(newSize,0); }
inline T& operator[] (unsigned int pos)
{
// automatically resize array.
if (_array.size()<=pos)
_array.resize(pos+1,0);
return _array[pos];
}
inline T operator[] (unsigned int pos) const
{
// automatically resize array.
if (_array.size()<=pos)
_array.resize(pos+1,0);
return _array[pos];
}
protected:
mutable std::vector<T> _array;
};
template<class T>
class buffered_object
{
public:
inline buffered_object():
_array(DisplaySettings::instance()->getMaxNumberOfGraphicsContexts())
{}
inline buffered_object(unsigned int size):
_array(size)
{}
buffered_object& operator = (const buffered_object& rhs)
{
_array = rhs._array;
return *this;
}
inline void setAllElementsTo(const T& t) { std::fill(_array.begin(),_array.end(),t); }
inline void clear() { _array.clear(); }
inline bool empty() const { return _array.empty(); }
inline unsigned int size() const { return _array.size(); }
inline void resize(unsigned int newSize) { _array.resize(newSize); }
inline T& operator[] (unsigned int pos)
{
// automatically resize array.
if (_array.size()<=pos)
_array.resize(pos+1);
return _array[pos];
}
inline const T& operator[] (unsigned int pos) const
{
// automatically resize array.
if (_array.size()<=pos)
_array.resize(pos+1);
return _array[pos];
}
protected:
mutable std::vector<T> _array;
};
}
#endif
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