79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file noncached_container.h
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* @brief Class to store instances of VERTEX without caching. It allows a fast one-frame drawing
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* and then clearing the buffer and starting from scratch.
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*/
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#ifndef NONCACHED_CONTAINER_H_
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#define NONCACHED_CONTAINER_H_
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#include <gal/opengl/vertex_container.h>
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namespace KIGFX
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{
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class VERTEX_ITEM;
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class SHADER;
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class NONCACHED_CONTAINER : public VERTEX_CONTAINER
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{
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public:
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NONCACHED_CONTAINER( unsigned int aSize = DEFAULT_SIZE );
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virtual ~NONCACHED_CONTAINER();
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bool IsCached() const override
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{
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return false;
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}
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/// @copydoc VERTEX_CONTAINER::SetItem( VERTEX_ITEM* aItem )
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virtual void SetItem( VERTEX_ITEM* aItem ) override;
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/// @copydoc VERTEX_CONTAINER::Allocate( unsigned int aSize )
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virtual VERTEX* Allocate( unsigned int aSize ) override;
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/// @copydoc VERTEX_CONTAINER::Delete( VERTEX_ITEM* aItem )
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void Delete( VERTEX_ITEM* aItem ) override {}
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/// @copydoc VERTEX_CONTAINER::Clear()
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virtual void Clear() override;
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/// @copydoc VERTEX_CONTAINER::GetSize()
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virtual unsigned int GetSize() const override
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{
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// As the m_freePtr points to the first free space, we can safely assume
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// that this is the number of vertices stored inside
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return m_freePtr;
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}
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protected:
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///< Index of the free first space where a vertex can be stored
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unsigned int m_freePtr;
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};
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} // namespace KIGFX
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#endif /* NONCACHED_CONTAINER_H_ */
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