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82 lines
2.7 KiB
82 lines
2.7 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_HINT
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#define OSG_HINT 1
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#include <osg/StateAttribute>
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namespace osg
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{
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class OSG_EXPORT Hint : public StateAttribute
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{
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public:
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Hint():
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_target(GL_NONE),
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_mode(GL_DONT_CARE) {}
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Hint(GLenum target, GLenum mode):
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_target(target),
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_mode(mode) {}
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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Hint(const Hint& hint,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(hint,copyop),
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_target(hint._target),
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_mode(hint._mode) {}
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virtual osg::Object* cloneType() const { return new Hint( _target, GL_DONT_CARE ); }
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virtual osg::Object* clone(const osg::CopyOp& copyop) const { return new Hint(*this,copyop); }
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const Hint *>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "Hint"; }
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virtual Type getType() const { return HINT; }
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virtual int compare(const StateAttribute& sa) const
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{
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// check the types are equal and then create the rhs variable
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// used by the COMPARE_StateAttribute_Parameter macros below.
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COMPARE_StateAttribute_Types(Hint,sa)
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// compare each parameter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_target)
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COMPARE_StateAttribute_Parameter(_mode)
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return 0;
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}
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/** Return the member identifier within the attribute's class type. Used for light number/clip plane number etc.*/
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virtual unsigned int getMember() const { return static_cast<unsigned int>(_target); }
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void setTarget(GLenum target);
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inline GLenum getTarget() const { return _target; }
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inline void setMode(GLenum mode) { _mode = mode; }
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inline GLenum getMode() const { return _mode; }
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virtual void apply(State& state) const;
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protected:
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GLenum _target;
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GLenum _mode;
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};
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}
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#endif
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