bufferregion.h

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 /***************************************************************************
 *   Copyright (C) 2004 by Reality Rift Studios                            *
 *   http://www.realityrift.com  -  mattias@realityrift.com                *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU 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.             *
 ***************************************************************************/

#ifndef neo_render_bufferregion_h
#define neo_render_bufferregion_h

#include "../core/platform.h"

namespace neo {
namespace render {


class BufferRegion
{
    public:

    enum State
    {
        ALLOCATED,

        FREE
    };

    unsigned int                                            _size;

    unsigned int                                            _offset;

    unsigned int                                            _sizeReal;

    unsigned int                                            _offsetReal;

    BufferRegion*                                           _p_pre;

    BufferRegion*                                           _p_post;

    State                                                   _state;

    inline                                                  BufferRegion();


    inline void                                             align( unsigned int alignment, unsigned int size );

    static inline bool                                      equal( render::BufferRegion* const& p_region, const unsigned int& size ) { return p_region->_sizeReal == size; }
    static inline bool                                      less( render::BufferRegion* const& p_region, const unsigned int& size ) { return p_region->_sizeReal <  size; }
    static inline bool                                      lessequal( render::BufferRegion* const& p_region, const unsigned int& size ) { return p_region->_sizeReal <= size; }

    static inline bool                                      equal( render::BufferRegion* const& p_rhs, render::BufferRegion* const& p_lhs ) { return p_rhs == p_lhs; }
    static inline bool                                      less( render::BufferRegion* const& p_rhs, render::BufferRegion* const& p_lhs ) { return p_rhs->_sizeReal <  p_lhs->_sizeReal; }
    static inline bool                                      lessequal( render::BufferRegion* const& p_rhs, render::BufferRegion* const& p_lhs ) { return p_rhs->_sizeReal <= p_lhs->_sizeReal; }    
};

#include "bufferregion.inl"

}
}

#endif

---