/usr/include/osg/Multisample is in libopenscenegraph-3.4-dev 3.4.0+dfsg1-4+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 | /* -*-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_MULTISAMPLE
#define OSG_MULTISAMPLE 1
#include <osg/GL>
#include <osg/StateAttribute>
#include <osg/ref_ptr>
#ifndef GL_ARB_multisample
#define GL_MULTISAMPLE_ARB 0x809D
#define GL_SAMPLE_ALPHA_TO_COVERAGE_ARB 0x809E
#define GL_SAMPLE_ALPHA_TO_ONE_ARB 0x809F
#define GL_SAMPLE_COVERAGE_ARB 0x80A0
#define GL_SAMPLE_BUFFERS_ARB 0x80A8
#define GL_SAMPLES_ARB 0x80A9
#define GL_SAMPLE_COVERAGE_VALUE_ARB 0x80AA
#define GL_SAMPLE_COVERAGE_INVERT_ARB 0x80AB
#define GL_MULTISAMPLE_BIT_ARB 0x20000000
#endif
#ifndef GL_NV_multisample_filter_hint
#define GL_MULTISAMPLE_FILTER_HINT_NV 0x8534
#endif
namespace osg {
/** Multisample - encapsulates the OpenGL Multisample state.*/
class OSG_EXPORT Multisample : public StateAttribute
{
public :
enum Mode
{
FASTEST = GL_FASTEST,
NICEST = GL_NICEST,
DONT_CARE = GL_DONT_CARE
};
Multisample();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
Multisample(const Multisample& trans,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(trans,copyop),
_coverage(trans._coverage),
_invert(trans._invert),
_mode(trans._mode) {}
META_StateAttribute(osg, Multisample,MULTISAMPLE);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const StateAttribute& sa) const
{
// check the types are equal and then create the rhs variable
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(Multisample,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_coverage)
COMPARE_StateAttribute_Parameter(_invert)
COMPARE_StateAttribute_Parameter(_mode)
return 0; // passed all the above comparison macros, must be equal.
}
void setSampleCoverage(float coverage, bool invert)
{
_coverage = coverage;
_invert = invert;
}
inline void setCoverage(float coverage) { _coverage=coverage; }
inline float getCoverage() const { return _coverage; }
inline void setInvert(bool invert) { _invert=invert; }
inline bool getInvert() const { return _invert; }
inline void setHint(Mode mode) { _mode = mode; }
inline Mode getHint() const { return _mode; }
virtual void apply(State& state) const;
protected :
virtual ~Multisample();
float _coverage;
bool _invert;
Mode _mode;
};
}
#endif
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