source: downloads/ogre/PlugIns/CgProgramManager/src/OgreCgProgramManagerDll.cpp @ 11

/*
-----------------------------------------------------------------------------
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 "OgreCgPlugin.h"
#include "OgreCgProgram.h"
#include "OgreRoot.h"

namespace Ogre {

    CgPlugin* cgPlugin;
    //-----------------------------------------------------------------------
    extern "C" void _OgreCgPluginExport dllStartPlugin(void)
    {
        // Create new plugin
        cgPlugin = new CgPlugin();

        // Register
        Root::getSingleton().installPlugin(cgPlugin);


    }
    extern "C" void _OgreCgPluginExport dllStopPlugin(void)
    {
                Root::getSingleton().uninstallPlugin(cgPlugin);
                delete cgPlugin;
    }

    void checkForCgError(const String& ogreMethod, const String& errorTextPrefix, CGcontext context)
    {
        CGerror error = cgGetError();
        if (error != CG_NO_ERROR)
        {
            String msg = errorTextPrefix + cgGetErrorString(error); 

            if (error == CG_COMPILER_ERROR)
            {
                // Get listing with full compile errors
                msg = msg + "\n" + cgGetLastListing(context);
            }
            OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, msg, ogreMethod);
        }
    }

}