87 lines
2.7 KiB
Plaintext
87 lines
2.7 KiB
Plaintext
|
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2016 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_DepthRangeIndexed
|
||
|
|
#define OSG_DepthRangeIndexed 1
|
||
|
|
|
||
|
|
#include <osg/Depth>
|
||
|
|
|
||
|
|
namespace osg {
|
||
|
|
|
||
|
|
/** Encapsulates glDepthRangeIndexed function : the index version of glDepth
|
||
|
|
*/
|
||
|
|
class OSG_EXPORT DepthRangeIndexed : public osg::StateAttribute
|
||
|
|
{
|
||
|
|
public :
|
||
|
|
|
||
|
|
DepthRangeIndexed();
|
||
|
|
|
||
|
|
DepthRangeIndexed(unsigned int index, double zNear=0.0, double zFar=1.0):
|
||
|
|
_index(index),
|
||
|
|
_zNear(zNear),
|
||
|
|
_zFar(zFar) {}
|
||
|
|
|
||
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
|
||
|
|
DepthRangeIndexed(const DepthRangeIndexed& dp,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
|
||
|
|
StateAttribute(dp,copyop),
|
||
|
|
_index(dp._index),
|
||
|
|
_zNear(dp._zNear),
|
||
|
|
_zFar(dp._zFar) {}
|
||
|
|
|
||
|
|
META_StateAttribute(osg, DepthRangeIndexed, DEPTHRANGEINDEXED);
|
||
|
|
|
||
|
|
/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
|
||
|
|
virtual int compare(const StateAttribute& sa) const
|
||
|
|
{
|
||
|
|
// Check for equal types, then create the rhs variable
|
||
|
|
// used by the COMPARE_StateAttribute_Parameter macros below.
|
||
|
|
COMPARE_StateAttribute_Types(DepthRangeIndexed,sa)
|
||
|
|
|
||
|
|
COMPARE_StateAttribute_Parameter(_index);
|
||
|
|
COMPARE_StateAttribute_Parameter(_zNear)
|
||
|
|
COMPARE_StateAttribute_Parameter(_zFar)
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Return the buffer index as the member identifier.*/
|
||
|
|
virtual unsigned int getMember() const { return _index; }
|
||
|
|
|
||
|
|
/** Set the index of the DepthRangeIndexed. */
|
||
|
|
void setIndex(unsigned int index);
|
||
|
|
|
||
|
|
/** Get the index of the DepthRangeIndexed. */
|
||
|
|
unsigned int getIndex() const { return _index; }
|
||
|
|
|
||
|
|
inline void setZNear(double zNear) { _zNear=zNear; }
|
||
|
|
inline double getZNear() const { return _zNear; }
|
||
|
|
|
||
|
|
inline void setZFar(double zFar) { _zFar=zFar; }
|
||
|
|
inline double getZFar() const { return _zFar; }
|
||
|
|
|
||
|
|
virtual void apply(State& state) const;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
virtual ~DepthRangeIndexed();
|
||
|
|
|
||
|
|
unsigned int _index;
|
||
|
|
double _zNear;
|
||
|
|
double _zFar;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|