Files
OpenSceneGraph/src/osg/BlendColor.cpp
Robert Osfield 485709f708 Moved GL2Extensions functionality into the include/osg/GLExtensions header and new GLExtensions object.
Moved the #defines into new include/osg/GLDefines
Converted all GL2Extensions usage to GLExtensions usage


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14593 16af8721-9629-0410-8352-f15c8da7e697
2014-12-10 10:38:12 +00:00

47 lines
1.4 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/BlendColor>
#include <osg/GLExtensions>
#include <osg/State>
#include <osg/Notify>
#include <osg/buffered_value>
using namespace osg;
BlendColor::BlendColor() :
_constantColor(1.0f,1.0f,1.0f,1.0f)
{
}
BlendColor::BlendColor(const osg::Vec4& constantColor):
_constantColor(constantColor)
{
}
BlendColor::~BlendColor()
{
}
void BlendColor::apply(State& state) const
{
const GLExtensions* extensions = state.get<GLExtensions>();
if (!extensions->isBlendColorSupported)
{
OSG_WARN<<"Warning: BlendColor::apply(..) failed, BlendColor is not support by OpenGL driver."<<std::endl;
return;
}
extensions->glBlendColor(_constantColor[0], _constantColor[1], _constantColor[2], _constantColor[3]);
}