OpenSceneGraph/src/osg/ColorMatrix.cpp

#include <osg/GL>
#include <osg/GLExtensions>
#include <osg/ColorMatrix>

using namespace osg;

ColorMatrix::ColorMatrix()
{
}


ColorMatrix::~ColorMatrix()
{
}

void ColorMatrix::apply(State&) const
{
//    std::cout<<"applying matrix"<<_matrix<<std::endl;
    static bool s_ARB_imaging = isGLExtensionSupported("GL_ARB_imaging");
	if (s_ARB_imaging)
	{
		glMatrixMode( GL_COLOR );
		glLoadMatrixf( _matrix.ptr() );
		glMatrixMode( GL_MODELVIEW );
	}
}