OpenSceneGraph/src/osg/ClipControl.cpp

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 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/ClipControl>
#include <osg/GLExtensions>
#include <osg/State>
using namespace osg;
ClipControl::ClipControl(Origin origin, DepthMode depthMode):
_origin(origin),
_depthMode(depthMode)
{
}
ClipControl::ClipControl(const ClipControl& clipControl, const CopyOp& copyop):
StateAttribute(clipControl, copyop),
_origin(clipControl._origin),
_depthMode(clipControl._depthMode)
{
}
ClipControl::~ClipControl()
{
}
void ClipControl::apply(State& state) const
{
const GLExtensions* extensions = state.get<GLExtensions>();
if (!extensions->isClipControlSupported) return;
extensions->glClipControl((GLenum)_origin, (GLenum)_depthMode);
}