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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 "SkBitmap.h" | |
10 #include "SkData.h" | |
11 #include "SkForceLinking.h" | |
12 #include "SkImageDecoder.h" | |
13 #include "SkOSFile.h" | |
14 #include "SkStream.h" | |
15 #include "SkString.h" | |
16 | |
17 __SK_FORCE_IMAGE_DECODER_LINKING; | |
18 | |
19 class SkCanvas; | |
20 | |
21 class ImageDecodeBench : public Benchmark { | |
22 public: | |
23 ImageDecodeBench(void* p, const char* filename) | |
24 : fName("image_decode_") | |
25 , fFilename(filename) | |
26 , fStream() | |
27 , fValid(false) { | |
28 fName.append(SkOSPath::Basename(filename)); | |
29 } | |
30 | |
31 bool isSuitableFor(Backend backend) SK_OVERRIDE { | |
32 return backend == kNonRendering_Backend; | |
33 } | |
34 | |
35 protected: | |
36 const char* onGetName() SK_OVERRIDE { | |
37 return fName.c_str(); | |
38 } | |
39 | |
40 void onPreDraw() SK_OVERRIDE { | |
41 SkFILEStream fileStream(fFilename.c_str()); | |
42 fValid = fileStream.isValid() && fileStream.getLength() > 0; | |
43 if (fValid) { | |
44 const size_t size = fileStream.getLength(); | |
45 void* data = sk_malloc_throw(size); | |
46 if (fileStream.read(data, size) < size) { | |
47 fValid = false; | |
48 } else { | |
49 SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size)); | |
50 fStream.setData(skdata.get()); | |
51 } | |
52 } | |
53 } | |
54 | |
55 void onDraw(const int loops, SkCanvas*) SK_OVERRIDE { | |
56 #ifdef SK_DEBUG | |
57 if (!fValid) { | |
58 SkDebugf("stream was invalid: %s\n", fName.c_str()); | |
59 return; | |
60 } | |
61 #endif | |
62 // Decode a bunch of times | |
63 SkBitmap bm; | |
64 for (int i = 0; i < loops; ++i) { | |
65 SkDEBUGCODE(bool success =) SkImageDecoder::DecodeStream(&fStream, &
bm); | |
66 #ifdef SK_DEBUG | |
67 if (!success) { | |
68 SkDebugf("failed to decode %s\n", fName.c_str()); | |
69 return; | |
70 } | |
71 #endif | |
72 SkDEBUGCODE(success =) fStream.rewind(); | |
73 #ifdef SK_DEBUG | |
74 if (!success) { | |
75 SkDebugf("failed to rewind %s\n", fName.c_str()); | |
76 return; | |
77 } | |
78 #endif | |
79 } | |
80 } | |
81 | |
82 private: | |
83 SkString fName; | |
84 const SkString fFilename; | |
85 SkMemoryStream fStream; | |
86 bool fValid; | |
87 | |
88 typedef Benchmark INHERITED; | |
89 }; | |
90 | |
91 // These are files which call decodePalette | |
92 //DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, ("/usr/local/google/home/scrogg
o/Downloads/images/hal_163x90.png")); ) | |
93 //DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, ("/usr/local/google/home/scrogg
o/Downloads/images/box_19_top-left.png")); ) | |
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