35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 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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#include <osg/GLExtensions>
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#include <osg/GL>
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#include <osg/PointSprite>
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using namespace osg;
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int PointSprite::compare(const StateAttribute& sa) const
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{
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if (this==&sa) return 0;\
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const std::type_info* type_lhs = &typeid(*this);\
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const std::type_info* type_rhs = &typeid(sa);\
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if (type_lhs->before(*type_rhs)) return -1;\
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if (*type_lhs != *type_rhs) return 1;\
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return 0; // passed all the above comparison macro's, must be equal.
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}
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void PointSprite::apply(osg::State&) const
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{
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glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, 1);
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}
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