1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
//
// Copyright 2010 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit 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 Computational Morphometry Toolkit 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 Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkDeviceArrayCUDA_h_included_
#define __cmtkDeviceArrayCUDA_h_included_
#include <System/cmtkCannotBeCopied.h>
#include <System/cmtkSmartConstPtr.h>
#include <System/cmtkSmartPtr.h>
#include <Base/cmtkFixedVector.h>
/// Forward declaration.
struct cudaArray;
namespace
cmtk
{
/** \addtogroup GPU */
//@{
/// Resource managing class for raw memory allocated on a GPU device through CUDA.
class DeviceArrayCUDA
/// Make sure this is never copied.
: private CannotBeCopied
{
public:
/// This class.
typedef DeviceArrayCUDA Self;
/// Smart pointer-to-const.
typedef SmartConstPointer<Self> SmartConstPtr;
/// Smart pointer.
typedef SmartPointer<Self> SmartPtr;
/// Device array pointer.
typedef struct cudaArray* DeviceArrayPointer;
/// Exception for failed allocation.
class bad_alloc : public std::bad_alloc {};
/// Constructor: allocate array through CUDA.
DeviceArrayCUDA( const FixedVector<3,int>& dims3 );
/// Destructor: free array through CUDA.
virtual ~DeviceArrayCUDA();
/// Copy host linear memory to device.
void CopyToDevice( const float* data );
/// Copy from linear device memory to device array.
void CopyOnDeviceToArray( const float* data );
/// Copy from device array to linear device memory.
void CopyOnDeviceToLinear( float* data );
/// Get device array pointer.
DeviceArrayPointer GetArrayOnDevice()
{
return this->m_DeviceArrayPtr;
}
private:
/// Array dimensions.
FixedVector<3,int> m_Dims;
/// Opaque pointer to array on device.
DeviceArrayPointer m_DeviceArrayPtr;
};
} // namespace cmtk
#endif // #ifndef __cmtkDeviceArrayCUDA_h_included_
|
