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1 /* | |
2 * Copyright 2013 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "Benchmark.h" | |
9 #include "Resources.h" | |
10 #include "SkBitmap.h" | |
11 #include "SkData.h" | |
12 #include "SkForceLinking.h" | |
13 #include "SkImageDecoder.h" | |
14 #include "SkOSFile.h" | |
15 #include "SkStream.h" | |
16 #include "SkString.h" | |
17 | |
18 __SK_FORCE_IMAGE_DECODER_LINKING; | |
19 | |
20 class SkCanvas; | |
21 | |
22 class SkipZeroesBench : public Benchmark { | |
23 public: | |
24 SkipZeroesBench(const char* filename, bool skipZeroes) | |
25 : fName("SkipZeroes_") | |
26 , fDecoder(nullptr) | |
27 , fFilename(filename) | |
28 , fStream() | |
29 , fSkipZeroes(skipZeroes) | |
30 , fValid(false) { | |
31 fName.append(filename); | |
32 if (skipZeroes) { | |
33 fName.append("_skip_zeroes"); | |
34 } else { | |
35 fName.append("_write_zeroes"); | |
36 } | |
37 } | |
38 | |
39 bool isSuitableFor(Backend backend) override { | |
40 return backend == kNonRendering_Backend; | |
41 } | |
42 | |
43 protected: | |
44 const char* onGetName() override { | |
45 return fName.c_str(); | |
46 } | |
47 | |
48 void onDelayedSetup() override { | |
49 SkString resourcePath = GetResourcePath(); | |
50 if (resourcePath.isEmpty()) { | |
51 fValid = false; | |
52 return; | |
53 } | |
54 | |
55 SkString fullPath = SkOSPath::Join(resourcePath.c_str(), fFilename.c_str
()); | |
56 SkFILEStream fileStream(fullPath.c_str()); | |
57 fValid = fileStream.isValid() && fileStream.getLength() > 0; | |
58 if (fValid) { | |
59 const size_t size = fileStream.getLength(); | |
60 void* data = sk_malloc_throw(size); | |
61 if (fileStream.read(data, size) < size) { | |
62 fValid = false; | |
63 } else { | |
64 SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size)); | |
65 fStream.setData(skdata.get()); | |
66 fDecoder.reset(SkImageDecoder::Factory(&fStream)); | |
67 if (fDecoder.get()) { | |
68 fDecoder->setSkipWritingZeroes(fSkipZeroes); | |
69 } else { | |
70 fValid = false; | |
71 } | |
72 } | |
73 } | |
74 } | |
75 | |
76 void onDraw(int loops, SkCanvas*) override { | |
77 if (!fValid) { | |
78 #ifdef SK_DEBUG | |
79 SkDebugf("stream was invalid: %s\n", fFilename.c_str()); | |
80 #endif | |
81 return; | |
82 } | |
83 // Decode a bunch of times | |
84 SkBitmap bm; | |
85 for (int i = 0; i < loops; ++i) { | |
86 SkDEBUGCODE(SkImageDecoder::Result result =) fDecoder->decode(&fStre
am, &bm, | |
87 SkImageDecoder::kDecodePixels_Mode); | |
88 #ifdef SK_DEBUG | |
89 if (SkImageDecoder::kFailure == result) { | |
90 SkDebugf("failed to decode %s\n", fFilename.c_str()); | |
91 return; | |
92 } | |
93 #endif | |
94 SkDEBUGCODE(bool success =) fStream.rewind(); | |
95 #ifdef SK_DEBUG | |
96 if (!success) { | |
97 SkDebugf("failed to rewind %s\n", fFilename.c_str()); | |
98 return; | |
99 } | |
100 #endif | |
101 } | |
102 } | |
103 | |
104 private: | |
105 SkString fName; | |
106 SkAutoTDelete<SkImageDecoder> fDecoder; | |
107 const SkString fFilename; | |
108 SkMemoryStream fStream; | |
109 bool fSkipZeroes; | |
110 bool fValid; | |
111 | |
112 typedef Benchmark INHERITED; | |
113 }; | |
114 | |
115 // Enable the true version once the feature is checked in. | |
116 DEF_BENCH(return new SkipZeroesBench("arrow.png", true)); | |
117 DEF_BENCH(return new SkipZeroesBench("arrow.png", false)); | |
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