OpenSceneGraph/src/osg/ColorMatrix.cpp
2006-07-18 15:21:48 +00:00

41 lines
1.1 KiB
C++

/* -*-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/GLExtensions>
#include <osg/ColorMatrix>
#include <osg/GL>
#include <osg/State>
using namespace osg;
ColorMatrix::ColorMatrix()
{
}
ColorMatrix::~ColorMatrix()
{
}
void ColorMatrix::apply(State& state) const
{
unsigned int contextID = state.getContextID();
static bool s_ARB_imaging = isGLExtensionSupported(contextID,"GL_ARB_imaging");
if (s_ARB_imaging)
{
glMatrixMode( GL_COLOR );
glLoadMatrix(_matrix.ptr());
glMatrixMode( GL_MODELVIEW );
}
}