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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkCLImageDiffer_DEFINED | 8 #ifndef SkCLImageDiffer_DEFINED |
9 #define SkCLImageDiffer_DEFINED | 9 #define SkCLImageDiffer_DEFINED |
10 | 10 |
11 #include <CL/cl.h> | 11 #include <CL/cl.h> |
12 #include "SkTDArray.h" | 12 #include "SkTDArray.h" |
13 | 13 |
14 #include "SkImageDiffer.h" | 14 #include "SkImageDiffer.h" |
15 | 15 |
16 class SkStream; | 16 class SkStream; |
17 | 17 |
18 /** | 18 /** |
19 * An SkImageDiffer that requires initialization with an OpenCL device and conte
xt. | 19 * An SkImageDiffer that requires initialization with an OpenCL device and conte
xt. |
20 */ | 20 */ |
21 class SkCLImageDiffer : public SkImageDiffer { | 21 class SkCLImageDiffer : public SkImageDiffer { |
22 public: | 22 public: |
23 SkCLImageDiffer(); | 23 SkCLImageDiffer(); |
24 | 24 |
| 25 virtual bool requiresOpenCL() SK_OVERRIDE { return true; } |
| 26 |
25 /** | 27 /** |
26 * Initializes the OpenCL resources this differ needs to work | 28 * Initializes the OpenCL resources this differ needs to work |
27 * @param device An OpenCL device | 29 * @param device An OpenCL device |
28 * @param context An OpenCL context of the given device | 30 * @param context An OpenCL context of the given device |
29 * @return True on success, false otherwise | 31 * @return True on success, false otherwise |
30 */ | 32 */ |
31 virtual bool init(cl_device_id device, cl_context context); | 33 virtual bool init(cl_device_id device, cl_context context); |
32 | 34 |
33 protected: | 35 protected: |
34 /** | 36 /** |
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78 | 80 |
79 cl_device_id fDevice; | 81 cl_device_id fDevice; |
80 cl_context fContext; | 82 cl_context fContext; |
81 cl_command_queue fCommandQueue; | 83 cl_command_queue fCommandQueue; |
82 | 84 |
83 private: | 85 private: |
84 | 86 |
85 typedef SkImageDiffer INHERITED; | 87 typedef SkImageDiffer INHERITED; |
86 }; | 88 }; |
87 | 89 |
88 /** | |
89 * A OpenCL differ that measures the percentage of different corresponding pixel
s. If the two images | |
90 * are not the same size or have no pixels, the result will always be zero. | |
91 */ | |
92 class SkDifferentPixelsImageDiffer : public SkCLImageDiffer { | |
93 public: | |
94 virtual const char* getName() SK_OVERRIDE; | |
95 virtual int queueDiff(SkBitmap* baseline, SkBitmap* test) SK_OVERRIDE; | |
96 virtual void deleteDiff(int id) SK_OVERRIDE; | |
97 virtual bool isFinished(int id) SK_OVERRIDE; | |
98 virtual double getResult(int id) SK_OVERRIDE; | |
99 virtual int getPointsOfInterestCount(int id) SK_OVERRIDE; | |
100 virtual SkIPoint* getPointsOfInterest(int id) SK_OVERRIDE; | |
101 | |
102 protected: | |
103 virtual bool onInit() SK_OVERRIDE; | |
104 | |
105 private: | |
106 struct QueuedDiff; | |
107 | |
108 SkTDArray<QueuedDiff> fQueuedDiffs; | |
109 cl_kernel fKernel; | |
110 | |
111 typedef SkCLImageDiffer INHERITED; | |
112 }; | |
113 | |
114 #endif | 90 #endif |
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