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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 "SkBenchmark.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 SkBenchmark { | |
22 public: | |
23 ImageDecodeBench(void* p, const char* filename) | |
24 : INHERITED(p) | |
25 , fName("image_decode_") | |
26 , fFilename(filename) | |
27 , fStream() | |
28 , fValid(false) { | |
29 fName.append(SkOSPath::SkBasename(filename)); | |
30 fIsRendering = false; | |
31 } | |
32 | |
33 protected: | |
34 virtual const char* onGetName() SK_OVERRIDE { | |
35 return fName.c_str(); | |
36 } | |
37 | |
38 virtual void onPreDraw() SK_OVERRIDE { | |
39 SkFILEStream fileStream(fFilename.c_str()); | |
40 fValid = fileStream.isValid() && fileStream.getLength() > 0; | |
41 if (fValid) { | |
42 const size_t size = fileStream.getLength(); | |
43 void* data = sk_malloc_throw(size); | |
44 if (fileStream.read(data, size) < size) { | |
45 fValid = false; | |
46 } else { | |
47 SkAutoTUnref<SkData> skdata(SkData::NewFromMalloc(data, size)); | |
48 fStream.setData(skdata.get()); | |
49 } | |
50 } | |
51 } | |
52 | |
53 virtual void onDraw(SkCanvas*) SK_OVERRIDE { | |
54 #ifdef SK_DEBUG | |
55 if (!fValid) { | |
56 SkDebugf("stream was invalid: %s\n", fName.c_str()); | |
57 return; | |
58 } | |
59 #endif | |
60 // Decode a bunch of times | |
61 SkBitmap bm; | |
62 for (int i = 0; i < SkBENCHLOOP(1000); ++i) { | |
63 SkDEBUGCODE(bool success =) SkImageDecoder::DecodeStream(&fStream, & bm); | |
64 #ifdef SK_DEBUG | |
65 if (!success) { | |
66 SkDebugf("failed to decode %s\n", fName.c_str()); | |
67 return; | |
68 } | |
69 #endif | |
70 SkDEBUGCODE(success =) fStream.rewind(); | |
71 #ifdef SK_DEBUG | |
72 if (!success) { | |
73 SkDebugf("failed to rewind %s\n", fName.c_str()); | |
74 return; | |
75 } | |
76 #endif | |
77 } | |
78 } | |
79 | |
80 private: | |
81 SkString fName; | |
82 const SkString fFilename; | |
83 SkMemoryStream fStream; | |
84 bool fValid; | |
85 | |
86 typedef SkBenchmark INHERITED; | |
87 }; | |
88 | |
89 // These are files which call decodePalette | |
90 //DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, (p, "/usr/local/google/home/scr oggo/Downloads/images/hal_163x90.png")); ) | |
scroggo
2013/06/13 19:06:49
I commented these out because these are files from
| |
91 //DEF_BENCH( return SkNEW_ARGS(ImageDecodeBench, (p, "/usr/local/google/home/scr oggo/Downloads/images/box_19_top-left.png")); ) | |
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