OpenSceneGraph/src/osg/PointSprite.cpp
2005-04-14 21:41:28 +00:00

35 lines
1.2 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osg/GLExtensions>
#include <osg/GL>
#include <osg/PointSprite>
using namespace osg;
int PointSprite::compare(const StateAttribute& sa) const
{
if (this==&sa) return 0;\
const std::type_info* type_lhs = &typeid(*this);\
const std::type_info* type_rhs = &typeid(sa);\
if (type_lhs->before(*type_rhs)) return -1;\
if (*type_lhs != *type_rhs) return 1;\
return 0; // passed all the above comparison macro's, must be equal.
}
void PointSprite::apply(osg::State&) const
{
glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, 1);
}