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
|
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkGPUContextManager_h
#define itkGPUContextManager_h
#include "itkOpenCLUtil.h"
#include <itkLightObject.h>
namespace itk
{
/** \class GPUContextManager
*
* \brief Singleton class to store the GPU context.
*
* Won-Ki to write more documentation here...
*
* \ingroup ITKGPUCommon
*/
class GPUContextManager : public LightObject
{
public:
static GPUContextManager* GetInstance();
void DestroyInstance();
cl_command_queue GetCommandQueue(int i);
unsigned int GetNumberOfCommandQueues() {
return m_NumberOfDevices;
}
cl_context GetCurrentContext() {
return m_Context;
}
cl_device_id GetDeviceId(int i);
private:
GPUContextManager();
~GPUContextManager();
cl_platform_id m_Platform;
cl_context m_Context;
cl_device_id* m_Devices;
cl_command_queue* m_CommandQueue; // one queue per device
cl_uint m_NumberOfDevices, m_NumberOfPlatforms;
static GPUContextManager* m_Instance;
};
} // namespace itk
#endif
|
