noncached_container.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 * @author Maciej Suminski <[email protected]>
 *
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

 
#ifndef NONCACHED_CONTAINER_H_
#define NONCACHED_CONTAINER_H_
 
#include <gal/opengl/vertex_container.h>
 
namespace KIGFX
{
class VERTEX_ITEM;
class SHADER;
 
class NONCACHED_CONTAINER : public VERTEX_CONTAINER
{
public:
    NONCACHED_CONTAINER( unsigned int aSize = DEFAULT_SIZE );
    virtual ~NONCACHED_CONTAINER();
 
    bool IsCached() const override
    {
        return false;
    }

    virtual void SetItem( VERTEX_ITEM* aItem ) override;

    virtual VERTEX* Allocate( unsigned int aSize ) override;

    void Delete( VERTEX_ITEM* aItem ) override {}

    virtual void Clear() override;

    virtual unsigned int GetSize() const override
    {
        // As the m_freePtr points to the first free space, we can safely assume
        // that this is the number of vertices stored inside
        return m_freePtr;
    }
 
protected:
    unsigned int m_freePtr;
};
} // namespace KIGFX
 
#endif /* NONCACHED_CONTAINER_H_ */