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
103
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
2014-2016, CWI, Amsterdam
Contact: astra@uantwerpen.be
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 _CUDA_MEM3D_H
#define _CUDA_MEM3D_H
#include <boost/shared_ptr.hpp>
#include "astra3d.h"
namespace astra {
class CVolumeGeometry3D;
class CProjectionGeometry3D;
}
namespace astraCUDA3d {
// TODO: Make it possible to delete these handles when they're no longer
// necessary inside the FP/BP
//
// TODO: Add functions for querying capacity
struct SMemHandle3D_internal;
struct MemHandle3D {
boost::shared_ptr<SMemHandle3D_internal> d;
operator bool() const { return (bool)d; }
};
struct SSubDimensions3D {
unsigned int nx;
unsigned int ny;
unsigned int nz;
unsigned int pitch;
unsigned int subnx;
unsigned int subny;
unsigned int subnz;
unsigned int subx;
unsigned int suby;
unsigned int subz;
};
/*
// Useful or not?
enum Mem3DCopyMode {
MODE_SET,
MODE_ADD
};
*/
enum Mem3DZeroMode {
INIT_NO,
INIT_ZERO
};
size_t availableGPUMemory();
int maxBlockDimension();
MemHandle3D allocateGPUMemory(unsigned int x, unsigned int y, unsigned int z, Mem3DZeroMode zero);
bool copyToGPUMemory(const float *src, MemHandle3D dst, const SSubDimensions3D &pos);
bool copyFromGPUMemory(float *dst, MemHandle3D src, const SSubDimensions3D &pos);
bool freeGPUMemory(MemHandle3D handle);
bool setGPUIndex(int index);
bool FP(const astra::CProjectionGeometry3D* pProjGeom, MemHandle3D projData, const astra::CVolumeGeometry3D* pVolGeom, MemHandle3D volData, int iDetectorSuperSampling, astra::Cuda3DProjectionKernel projKernel);
bool BP(const astra::CProjectionGeometry3D* pProjGeom, MemHandle3D projData, const astra::CVolumeGeometry3D* pVolGeom, MemHandle3D volData, int iVoxelSuperSampling);
bool FDK(const astra::CProjectionGeometry3D* pProjGeom, MemHandle3D projData, const astra::CVolumeGeometry3D* pVolGeom, MemHandle3D volData, bool bShortScan, const float *pfFilter = 0);
}
#endif
|
