OpenSceneGraph/include/osg/Capability

162 lines
4.5 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 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_ENABLEI
#define OSG_ENABLEI 1
#include <osg/GL>
#include <osg/StateAttribute>
namespace osg {
class OSG_EXPORT Capability : public osg::StateAttribute
{
public :
Capability();
Capability(GLenum capability):
_capability(capability) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
Capability(const Capability& cap,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(cap, copyop),
_capability(cap._capability) {}
META_Object(osg, Capability);
/** 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(Capability,sa)
COMPARE_StateAttribute_Parameter(_capability);
return 0;
}
/** Return the Type identifier of the attribute's class type.*/
virtual Type getType() const { return static_cast<Type>(CAPABILITY+_capability); }
void setCapability(GLenum capability) { _capability = capability; }
GLenum getCapability() const { return _capability; }
protected:
virtual ~Capability();
GLenum _capability;
};
/** Encapsulates glEnablei/glDisablei
*/
class OSG_EXPORT Capabilityi : public osg::Capability
{
public :
Capabilityi();
Capabilityi(GLenum capability, unsigned int buf):
Capability(capability),
_index(buf) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
Capabilityi(const Capabilityi& cap,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Capability(cap,copyop),
_index(cap._index) {}
META_Object(osg, Capabilityi);
/** 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(Capabilityi,sa)
COMPARE_StateAttribute_Parameter(_index);
COMPARE_StateAttribute_Parameter(_capability);
return 0;
}
/** Return the member identifier within the attribute's class type. Used for light number/clip plane number etc.*/
virtual unsigned int getMember() const { return _index; }
/** Set the renderbuffer index of the Enablei. */
void setIndex(unsigned int buf) { _index = buf; }
/** Get the renderbuffer index of the Enablei. */
unsigned int getIndex() const { return _index; }
protected:
virtual ~Capabilityi();
unsigned int _index;
};
class OSG_EXPORT Enablei : public Capabilityi
{
public :
Enablei() {}
Enablei(unsigned int buf, GLenum capability):
Capabilityi(buf, capability) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
Enablei(const Enablei& ei,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Capabilityi(ei,copyop) {}
META_Object(osg, Enablei);
virtual void apply(State&) const;
protected:
virtual ~Enablei() {}
};
class OSG_EXPORT Disablei : public Capabilityi
{
public :
Disablei() {}
Disablei(unsigned int buf, GLenum capability):
Capabilityi(buf, capability) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
Disablei(const Disablei& ei,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Capabilityi(ei,copyop) {}
META_Object(osg, Disablei);
virtual void apply(State&) const;
protected:
virtual ~Disablei() {}
};
}
#endif