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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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
*/
/**
* @file noncached_container.h
* @brief Class to store instances of VERTEX without caching. It allows a fast one-frame drawing
* and then clearing the buffer and starting from scratch.
*/
#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 = defaultInitSize );
virtual ~NONCACHED_CONTAINER();
///< @copydoc VERTEX_CONTAINER::SetItem( VERTEX_ITEM* aItem )
virtual void SetItem( VERTEX_ITEM* aItem );
///< @copydoc VERTEX_CONTAINER::Allocate( unsigned int aSize )
virtual VERTEX* Allocate( unsigned int aSize );
///< @copydoc VERTEX_CONTAINER::Delete( VERTEX_ITEM* aItem )
void Delete( VERTEX_ITEM* aItem ) {};
///< @copydoc VERTEX_CONTAINER::Clear()
virtual void Clear();
///< @copydoc VERTEX_CONTAINER::GetSize()
virtual inline unsigned int GetSize() const
{
// 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:
///< Index of the free first space where a vertex can be stored
unsigned int m_freePtr;
};
} // namespace KIGFX
#endif /* NONCACHED_CONTAINER_H_ */
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