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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 // A benchmark designed to isolate the constant overheads of picture recording. | 8 // A benchmark designed to isolate the constant overheads of picture recording. |
9 // We record a very tiny (one op) picture; one op is better than none, as it for
ces | 9 // We record an empty picture and a picture with one draw op to force memory all
ocation. |
10 // us to allocate memory to store that op... we can't just cheat by holding onto
NULLs. | |
11 | 10 |
12 #include "Benchmark.h" | 11 #include "Benchmark.h" |
13 #include "SkCanvas.h" | 12 #include "SkCanvas.h" |
14 #include "SkPictureRecorder.h" | 13 #include "SkPictureRecorder.h" |
15 | 14 |
| 15 template <bool kDraw> |
16 struct PictureOverheadBench : public Benchmark { | 16 struct PictureOverheadBench : public Benchmark { |
17 const char* onGetName() override { return "picture_overhead"; } | 17 const char* onGetName() override { |
| 18 return kDraw ? "picture_overhead_draw" : "picture_overhead_nodraw"; |
| 19 } |
18 bool isSuitableFor(Backend backend) override { return backend == kNonRenderi
ng_Backend; } | 20 bool isSuitableFor(Backend backend) override { return backend == kNonRenderi
ng_Backend; } |
19 | 21 |
20 void onDraw(const int loops, SkCanvas*) override { | 22 void onDraw(const int loops, SkCanvas*) override { |
21 SkPictureRecorder rec; | 23 SkPictureRecorder rec; |
22 for (int i = 0; i < loops; i++) { | 24 for (int i = 0; i < loops; i++) { |
23 SkCanvas* c = rec.beginRecording(SkRect::MakeWH(2000,3000)); | 25 rec.beginRecording(SkRect::MakeWH(2000,3000)); |
24 c->drawRect(SkRect::MakeXYWH(10, 10, 1000, 1000), SkPaint()); | 26 if (kDraw) { |
| 27 rec.getRecordingCanvas()->drawRect(SkRect::MakeXYWH(10, 10, 1000
, 1000), SkPaint()); |
| 28 } |
25 SkAutoTUnref<SkPicture> pic(rec.endRecordingAsPicture()); | 29 SkAutoTUnref<SkPicture> pic(rec.endRecordingAsPicture()); |
26 } | 30 } |
27 } | 31 } |
28 }; | 32 }; |
29 DEF_BENCH(return new PictureOverheadBench;) | 33 |
| 34 DEF_BENCH(return (new PictureOverheadBench<false>);) |
| 35 DEF_BENCH(return (new PictureOverheadBench< true>);) |
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