OpenSceneGraph/include/osg/SampleMaski
2014-12-07 17:31:49 +00:00

55 lines
1.7 KiB
C++

/* -*-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_SAMPLEMASKI
#define OSG_SAMPLEMASKI 1
#include <osg/StateAttribute>
namespace osg {
/**
* osg::SampleMaski does nothing if OpenGL 3.2 or ARB_texture_multisample are not available.
*/
class OSG_EXPORT SampleMaski : public StateAttribute
{
public :
SampleMaski();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
SampleMaski(const SampleMaski& sampleMaski,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_StateAttribute(osg, SampleMaski, SAMPLEMASKI)
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const StateAttribute& sa) const;
inline void setMask(unsigned int mask, unsigned int maskNumber = 0u ) { _sampleMask[maskNumber] = mask; }
inline unsigned int getMask(unsigned int maskNumber = 0u) const { return _sampleMask[maskNumber]; }
virtual void apply(State& state) const;
protected:
virtual ~SampleMaski();
//For now support only up to 64 bit mask;
unsigned int _sampleMask[2];
};
}
#endif