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/*
-----------------------------------------------------------------------
Copyright: 2010-2021, imec Vision Lab, University of Antwerp
2014-2021, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox 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 3 of the License, or
(at your option) any later version.
The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
*/
#ifndef _INC_ASTRA_FLOAT32DATA3DGPU
#define _INC_ASTRA_FLOAT32DATA3DGPU
#ifdef ASTRA_CUDA
#include "Globals.h"
#include "Float32Data3D.h"
#include "cuda/3d/mem3d.h"
namespace astra {
/**
* This class represents a 3-dimensional block of 32-bit floating point data.
* The data block is stored on a GPU, and owned by external code.
*
* TODO: Store/remember which GPU the data is stored on
*/
class _AstraExport CFloat32Data3DGPU : public virtual CFloat32Data3D {
protected:
/** Handle for the memory block */
astraCUDA3d::MemHandle3D m_hnd;
/** Clear all member variables, setting all numeric variables to 0 and all pointers to NULL.
*/
void _clear();
/** Un-initialize the object, bringing it back in the unitialized state.
*/
void _unInit();
/** Initialization. Initializes an instance of the CFloat32Data3DGPU class.
* Can only be called by derived classes.
*
* This function does not set m_bInitialized to true if everything is ok.
*
* @param _iWidth width of the 3D data (x-axis), must be > 0
* @param _iHeight height of the 3D data (y-axis), must be > 0
* @param _iDepth depth of the 3D data (z-axis), must be > 0
* @param _hnd the CUDA memory handle
*/
bool _initialize(int _iWidth, int _iHeight, int _iDepth, astraCUDA3d::MemHandle3D _hnd);
public:
/** Default constructor. Sets all numeric member variables to 0 and all pointer member variables to NULL.
*
* If an object is constructed using this default constructor, it must always be followed by a call
* to one of the initialize() methods before the object can be used. Any use before calling init() is not allowed,
* except calling the member function isInitialized().
*
*/
CFloat32Data3DGPU();
/** Destructor.
*/
virtual ~CFloat32Data3DGPU();
/** which type is this class?
*
* @return DataType: ASTRA_DATATYPE_FLOAT32_PROJECTION or
* ASTRA_DATATYPE_FLOAT32_VOLUME
*/
virtual EDataType getType() const { return BASE; }
astraCUDA3d::MemHandle3D getHandle() const { return m_hnd; }
};
} // end namespace astra
#endif
#endif // _INC_ASTRA_FLOAT32DATA3DGPU
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