ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkGPUContextManager.h
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1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
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14  * See the License for the specific language governing permissions and
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18 #ifndef __itkGPUContextManager_h
19 #define __itkGPUContextManager_h
20 
21 #include "itkOpenCLUtil.h"
22 #include <itkLightObject.h>
23 
24 //
25 // Singleton class for GPUContextManager
26 //
27 
36 namespace itk
37 {
38 class ITK_EXPORT GPUContextManager : public LightObject
39 {
40 public:
41 
42  static GPUContextManager* GetInstance();
43 
44  void DestroyInstance();
45 
46  cl_command_queue GetCommandQueue(int i);
47 
48  unsigned int GetNumberOfCommandQueues() {
49  return m_NumberOfDevices;
50  }
51 
52  cl_context GetCurrentContext() {
53  return m_Context;
54  }
55 
56  cl_device_id GetDeviceId(int i);
57 
58 private:
59 
62 
63  cl_platform_id m_Platform;
64  cl_context m_Context;
65  cl_device_id* m_Devices;
66  cl_command_queue* m_CommandQueue; // one queue per device
67 
68  cl_uint m_NumberOfDevices, m_NumberOfPlatforms;
69 
71 };
72 } // namespace itk
73 
74 #endif
75