CullFace
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/* -*-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_CULLFACE
#define OSG_CULLFACE 1
#include <osg/GL>
#include <osg/StateAttribute>
namespace osg {
class OSG_EXPORT CullFace : public StateAttribute
{
public :
enum Mode {
FRONT = GL_FRONT,
BACK = GL_BACK,
FRONT_AND_BACK = GL_FRONT_AND_BACK
};
CullFace(Mode mode=BACK):
_mode(mode) {}
CullFace(const CullFace& cf,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(cf,copyop),
_mode(cf._mode) {}
META_StateAttribute(osg, CullFace, CULLFACE);
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(CullFace,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_mode)
return 0; // passed all the above comparison macros, must be equal.
}
virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
{
usage.usesMode(GL_CULL_FACE);
return true;
}
inline void setMode(Mode mode) { _mode = mode; }
inline Mode getMode() const { return _mode; }
virtual void apply(State& state) const;
protected:
virtual ~CullFace();
Mode _mode;
};
}
#endif
StateAttribute
COMPARE_StateAttribute_Parameter
#define COMPARE_StateAttribute_Parameter(parameter)
Definition StateAttribute:69
COMPARE_StateAttribute_Types
#define COMPARE_StateAttribute_Types(TYPE, rhs_attribute)
Definition StateAttribute:57
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osg::CullFace::compare
virtual int compare(const StateAttribute &sa) const
Definition CullFace:45
osg::CullFace::getModeUsage
virtual bool getModeUsage(StateAttribute::ModeUsage &usage) const
Definition CullFace:57
osg::CullFace::apply
virtual void apply(State &state) const
osg::CullFace::setMode
void setMode(Mode mode)
Definition CullFace:63
osg::CullFace::CullFace
CullFace(const CullFace &cf, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
Definition CullFace:38
osg::CullFace::_mode
Mode _mode
Definition CullFace:73
osg::CullFace::CullFace
CullFace(Mode mode=BACK)
Definition CullFace:34
osg::CullFace::Mode
Mode
Definition CullFace:28
osg::CullFace::FRONT
@ FRONT
Definition CullFace:29
osg::CullFace::FRONT_AND_BACK
@ FRONT_AND_BACK
Definition CullFace:31
osg::CullFace::BACK
@ BACK
Definition CullFace:30
osg::CullFace::getMode
Mode getMode() const
Definition CullFace:65
osg::CullFace::META_StateAttribute
META_StateAttribute(osg, CullFace, CULLFACE)
osg::CullFace::~CullFace
virtual ~CullFace()
osg::StateAttribute::StateAttribute
StateAttribute()
osg::StateAttribute::CULLFACE
@ CULLFACE
Definition StateAttribute:133
osg::State
Definition State:80
osg
Definition AlphaFunc:19
OSG_EXPORT
#define OSG_EXPORT
Definition osg/Export:39
osg::StateAttribute::ModeUsage
Definition StateAttribute:308
osg::StateAttribute::ModeUsage::usesMode
virtual void usesMode(GLMode mode)=0