/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2006 Torus Knot Software Ltd
Also see acknowledgements in Readme.html

This program is free software you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation either version 2 of the License, or (at your option) any later
version.

This program 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 GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.

You may alternatively use this source under the terms of a specific version of
the OGRE Unrestricted License provided you have obtained such a license from
Torus Knot Software Ltd.
-----------------------------------------------------------------------------
*/

#include "OgreCgProgramFactory.h"
#include "OgreString.h"
#include "OgreCgProgram.h"

namespace Ogre {
    //-----------------------------------------------------------------------
    String CgProgramFactory::sLanguageName = "cg";
    //-----------------------------------------------------------------------
    CgProgramFactory::CgProgramFactory()
    {
        mCgContext = cgCreateContext();
        // Check for errors
        checkForCgError("CgProgramFactory::CgProgramFactory", 
            "Unable to create initial Cg context: ", mCgContext);
    }
    //-----------------------------------------------------------------------
    CgProgramFactory::~CgProgramFactory()
    {
        cgDestroyContext(mCgContext);
        // Check for errors
        checkForCgError("CgProgramFactory::~CgProgramFactory", 
            "Unable to destroy Cg context: ", mCgContext);
    }
    //-----------------------------------------------------------------------
    const String& CgProgramFactory::getLanguage(void) const
    {
        return sLanguageName;
    }
    //-----------------------------------------------------------------------
    HighLevelGpuProgram* CgProgramFactory::create(ResourceManager* creator, 
        const String& name, ResourceHandle handle,
        const String& group, bool isManual, ManualResourceLoader* loader)
    {
        return new CgProgram(creator, name, handle, group, isManual, loader, mCgContext);
    }
    //-----------------------------------------------------------------------
	void CgProgramFactory::destroy(HighLevelGpuProgram* prog)
    {
        delete prog;
    }
    //-----------------------------------------------------------------------

}
