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81 lines
2.7 KiB
81 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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