485709f708
Moved the #defines into new include/osg/GLDefines Converted all GL2Extensions usage to GLExtensions usage git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14593 16af8721-9629-0410-8352-f15c8da7e697
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
/* -*-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_PATCHPARAMETER
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#define OSG_PATCHPARAMETER 1
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#include <osg/Vec2>
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#include <osg/Vec4>
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#include <osg/StateAttribute>
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namespace osg {
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/** Class which encapsulates glPatchParameter(..).
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*/
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class OSG_EXPORT PatchParameter : public StateAttribute
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{
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public :
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PatchParameter(GLint vertices=3);
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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PatchParameter(const PatchParameter& rhs,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(rhs,copyop),
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_vertices(rhs._vertices),
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_patchDefaultInnerLevel(rhs._patchDefaultInnerLevel),
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_patchDefaultOuterLevel(rhs._patchDefaultOuterLevel) {}
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META_StateAttribute(osg, PatchParameter, PATCH_PARAMETER);
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/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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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(PatchParameter,sa)
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// compare each parameter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_vertices)
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COMPARE_StateAttribute_Parameter(_patchDefaultInnerLevel)
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COMPARE_StateAttribute_Parameter(_patchDefaultOuterLevel)
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return 0; // passed all the above comparison macros, must be equal.
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}
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/** Set GL_PATCH_VERTICES parameter.*/
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void setVertices(GLint vertices) { _vertices = vertices; }
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/** Get GL_PATCH_VERTICES parameter.*/
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GLint getVertices() const { return _vertices; }
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/** Set GL_PATCH_DEFAULT_INNER_LEVEL parameter.*/
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void setPatchDefaultInnerLevel(const osg::Vec2& level) { _patchDefaultInnerLevel = level; }
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/** Get GL_PATCH_DEFAULT_INNER_LEVEL parameter.*/
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const osg::Vec2& getPatchDefaultInnerLevel() const { return _patchDefaultInnerLevel; }
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/** Set GL_PATCH_DEFAULT_OUTER_LEVEL parameter.*/
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void setPatchDefaultOuterLevel(const osg::Vec4& level) { _patchDefaultOuterLevel = level; }
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/** Get GL_PATCH_DEFAULT_INNER_LEVEL parameter.*/
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const osg::Vec4& getPatchDefaultOuterLevel() const { return _patchDefaultOuterLevel; }
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virtual void apply(State& state) const;
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protected:
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virtual ~PatchParameter();
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GLint _vertices;
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osg::Vec2 _patchDefaultInnerLevel;
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osg::Vec4 _patchDefaultOuterLevel;
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};
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}
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#endif
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