1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
15#ifndef OSG_POLYGONSTIPPLE
16#define OSG_POLYGONSTIPPLE 1
18#include <osg/StateAttribute>
20#ifndef GL_POLYGON_STIPPLE
21 #define GL_POLYGON_STIPPLE 0x0B42
27class OSG_EXPORT PolygonStipple : public StateAttribute
33 PolygonStipple(const GLubyte* mask);
35 /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
36 PolygonStipple(const PolygonStipple& lw,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
38 META_StateAttribute(osg, PolygonStipple, POLYGONSTIPPLE);
40 /** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
41 virtual int compare(const StateAttribute& sa) const;
43 virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
45 usage.usesMode(GL_POLYGON_STIPPLE);
49 /** set the mask up, copying 128 bytes (32x32 bitfield) from mask into the local _mask.*/
50 void setMask(const GLubyte* mask);
52 /** get a pointer to the mask.*/
53 inline const GLubyte* getMask() const {return _mask;}
56 virtual void apply(State& state) const;
60 virtual ~PolygonStipple();