83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
|
/*
|
||
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
||
|
|
*
|
||
|
|
* Copyright 2013-2017 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef CACHED_CONTAINER_GPU_H_
|
||
|
|
#define CACHED_CONTAINER_GPU_H_
|
||
|
|
|
||
|
|
#include <gal/opengl/cached_container.h>
|
||
|
|
|
||
|
|
namespace KIGFX
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Specialization of CACHED_CONTAINER that stores data in video memory via memory mapping.
|
||
|
|
*/
|
||
|
|
|
||
|
|
class CACHED_CONTAINER_GPU : public CACHED_CONTAINER
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CACHED_CONTAINER_GPU( unsigned int aSize = DEFAULT_SIZE );
|
||
|
|
~CACHED_CONTAINER_GPU();
|
||
|
|
|
||
|
|
unsigned int GetBufferHandle() const override
|
||
|
|
{
|
||
|
|
return m_glBufferHandle;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IsMapped() const override
|
||
|
|
{
|
||
|
|
return m_isMapped;
|
||
|
|
}
|
||
|
|
|
||
|
|
///> @copydoc VERTEX_CONTAINER::Map()
|
||
|
|
void Map() override;
|
||
|
|
|
||
|
|
///> @copydoc VERTEX_CONTAINER::Unmap()
|
||
|
|
void Unmap() override;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
///> Flag saying if vertex buffer is currently mapped
|
||
|
|
bool m_isMapped;
|
||
|
|
|
||
|
|
///> Vertex buffer handle
|
||
|
|
unsigned int m_glBufferHandle;
|
||
|
|
|
||
|
|
///> Flag saying whether it is safe to use glCopyBufferSubData
|
||
|
|
bool m_useCopyBuffer;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Function defragmentResize()
|
||
|
|
* removes empty spaces between chunks and optionally resizes the container.
|
||
|
|
* After the operation there is continous space for storing vertices at the end of the container.
|
||
|
|
*
|
||
|
|
* @param aNewSize is the new size of container, expressed in number of vertices
|
||
|
|
* @return false in case of failure (e.g. memory shortage)
|
||
|
|
*/
|
||
|
|
bool defragmentResize( unsigned int aNewSize ) override;
|
||
|
|
bool defragmentResizeMemcpy( unsigned int aNewSize );
|
||
|
|
};
|
||
|
|
} // namespace KIGFX
|
||
|
|
|
||
|
|
#endif /* CACHED_CONTAINER_GPU_H_ */
|