OpenSceneGraph/src/osg/PolygonMode.cpp
2015-03-03 12:00:52 +00:00

90 lines
2.2 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/GL>
#include <osg/PolygonMode>
#include <osg/Notify>
using namespace osg;
PolygonMode::PolygonMode():
_modeFront(FILL),
_modeBack(FILL)
{
}
PolygonMode::PolygonMode(Face face,Mode mode):
_modeFront(FILL),
_modeBack(FILL)
{
setMode(face,mode);
}
PolygonMode::~PolygonMode()
{
}
void PolygonMode::setMode(Face face,Mode mode)
{
switch(face)
{
case(FRONT):
_modeFront = mode;
break;
case(BACK):
_modeBack = mode;
break;
case(FRONT_AND_BACK):
_modeFront = mode;
_modeBack = mode;
break;
}
}
PolygonMode::Mode PolygonMode::getMode(Face face) const
{
switch(face)
{
case(FRONT):
return _modeFront;
case(BACK):
return _modeBack;
case(FRONT_AND_BACK):
return _modeFront;
}
OSG_WARN<<"Warning : invalid Face passed to PolygonMode::getMode(Face face)"<<std::endl;
return _modeFront;
}
void PolygonMode::apply(State&) const
{
#if !defined(OSG_GLES1_AVAILABLE) && !defined(OSG_GLES2_AVAILABLE)
if (_modeFront==_modeBack)
{
glPolygonMode(GL_FRONT_AND_BACK,(GLenum)_modeFront);
}
else
{
#ifdef OSG_GL1_AVAILABLE
glPolygonMode(GL_FRONT,(GLenum)_modeFront);
glPolygonMode(GL_BACK,(GLenum)_modeBack);
#else
OSG_NOTICE << "Warning: PolygonMode::apply(State&) - only GL_FRONT_AND_BACK is supported." << std::endl;
#endif
}
#else
OSG_NOTICE << "Warning: PolygonMode::apply(State&) - is not supported." << std::endl;
#endif
}