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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "SkCommandLineFlags.h" | 8 #include "SkCommandLineFlags.h" |
9 #include "SkForceLinking.h" | 9 #include "SkForceLinking.h" |
10 #include "SkGraphics.h" | 10 #include "SkGraphics.h" |
11 #include "SkOSFile.h" | 11 #include "SkOSFile.h" |
12 #include "SkPicture.h" | 12 #include "SkPicture.h" |
13 #include "SkPictureRecorder.h" | 13 #include "SkPictureRecorder.h" |
14 #include "SkStream.h" | 14 #include "SkStream.h" |
15 #include "SkString.h" | 15 #include "SkString.h" |
16 | 16 |
17 #include "../include/record/SkRecording.h" | 17 #include "../include/record/SkRecording.h" |
18 | 18 |
| 19 #include "BenchTimer.h" |
19 #include "Stats.h" | 20 #include "Stats.h" |
20 #include "Timer.h" | 21 |
| 22 typedef WallTimer Timer; |
21 | 23 |
22 __SK_FORCE_IMAGE_DECODER_LINKING; | 24 __SK_FORCE_IMAGE_DECODER_LINKING; |
23 | 25 |
24 DEFINE_string2(skps, r, "skps", "Directory containing SKPs to playback."); | 26 DEFINE_string2(skps, r, "skps", "Directory containing SKPs to playback."); |
25 DEFINE_int32(samples, 10, "Gather this many samples of each picture playback."); | 27 DEFINE_int32(samples, 10, "Gather this many samples of each picture playback."); |
26 DEFINE_bool(skr, false, "Play via SkRecord instead of SkPicture."); | 28 DEFINE_bool(skr, false, "Play via SkRecord instead of SkPicture."); |
27 DEFINE_int32(tile, 1000000000, "Simulated tile size."); | 29 DEFINE_int32(tile, 1000000000, "Simulated tile size."); |
28 DEFINE_string(match, "", "The usual filters on file names of SKPs to bench."); | 30 DEFINE_string(match, "", "The usual filters on file names of SKPs to bench."); |
29 DEFINE_string(timescale, "ms", "Print times in ms, us, or ns"); | 31 DEFINE_string(timescale, "ms", "Print times in ms, us, or ns"); |
30 DEFINE_int32(verbose, 0, "0: print min sample; " | 32 DEFINE_int32(verbose, 0, "0: print min sample; " |
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69 | 71 |
70 SkAutoTDelete<SkCanvas> canvas(SkCanvas::NewRasterDirectN32(src.width(), | 72 SkAutoTDelete<SkCanvas> canvas(SkCanvas::NewRasterDirectN32(src.width(), |
71 src.height(), | 73 src.height(), |
72 scratch, | 74 scratch, |
73 src.width() * si
zeof(SkPMColor))); | 75 src.width() * si
zeof(SkPMColor))); |
74 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile), SkIntToScalar(FLA
GS_tile))); | 76 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile), SkIntToScalar(FLA
GS_tile))); |
75 | 77 |
76 // Draw once to warm any caches. The first sample otherwise can be very noi
sy. | 78 // Draw once to warm any caches. The first sample otherwise can be very noi
sy. |
77 draw(*record, *picture, canvas.get()); | 79 draw(*record, *picture, canvas.get()); |
78 | 80 |
79 WallTimer timer; | 81 Timer timer; |
80 const double scale = timescale(); | |
81 SkAutoTMalloc<double> samples(FLAGS_samples); | 82 SkAutoTMalloc<double> samples(FLAGS_samples); |
82 for (int i = 0; i < FLAGS_samples; i++) { | 83 for (int i = 0; i < FLAGS_samples; i++) { |
83 // We assume timer overhead (typically, ~30ns) is insignificant | 84 // We assume timer overhead (typically, ~30ns) is insignificant |
84 // compared to draw runtime (at least ~100us, usually several ms). | 85 // compared to draw runtime (at least ~100us, usually several ms). |
85 timer.start(); | 86 timer.start(timescale()); |
86 draw(*record, *picture, canvas.get()); | 87 draw(*record, *picture, canvas.get()); |
87 timer.end(); | 88 timer.end(); |
88 samples[i] = timer.fWall * scale; | 89 samples[i] = timer.fWall; |
89 } | 90 } |
90 | 91 |
91 Stats stats(samples.get(), FLAGS_samples); | 92 Stats stats(samples.get(), FLAGS_samples); |
92 if (FLAGS_verbose == 0) { | 93 if (FLAGS_verbose == 0) { |
93 printf("%g\t%s\n", stats.min, name); | 94 printf("%g\t%s\n", stats.min, name); |
94 } else if (FLAGS_verbose == 1) { | 95 } else if (FLAGS_verbose == 1) { |
95 // Get a rough idea of how noisy the measurements were. | 96 // Get a rough idea of how noisy the measurements were. |
96 const double noisePercent = 100 * sqrt(stats.var) / stats.mean; | 97 const double noisePercent = 100 * sqrt(stats.var) / stats.mean; |
97 printf("%g\t%g\t%g\t±%.0f%%\t%s\n", stats.min, stats.mean, stats.max, no
isePercent, name); | 98 printf("%g\t%g\t%g\t±%.0f%%\t%s\n", stats.min, stats.mean, stats.max, no
isePercent, name); |
98 } else if (FLAGS_verbose == 2) { | 99 } else if (FLAGS_verbose == 2) { |
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146 bench(scratch.get(), *src, filename.c_str()); | 147 bench(scratch.get(), *src, filename.c_str()); |
147 } | 148 } |
148 return failed ? 1 : 0; | 149 return failed ? 1 : 0; |
149 } | 150 } |
150 | 151 |
151 #if !defined SK_BUILD_FOR_IOS | 152 #if !defined SK_BUILD_FOR_IOS |
152 int main(int argc, char * const argv[]) { | 153 int main(int argc, char * const argv[]) { |
153 return tool_main(argc, (char**) argv); | 154 return tool_main(argc, (char**) argv); |
154 } | 155 } |
155 #endif | 156 #endif |
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