bsalomon | 3342ed5 | 2014-07-30 08:58:20 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014 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 "SkCanvas.h" |
| 10 | #include "SkPaint.h" |
| 11 | |
| 12 | /** This benchmark tests rendering rotated rectangles. It can optionally apply AA and/or change the |
| 13 | paint color between each rect. */ |
| 14 | class RotRectBench: public Benchmark { |
| 15 | public: |
| 16 | RotRectBench(bool aa, bool changeColor) |
| 17 | : fAA(aa) |
| 18 | , fChangeColor(changeColor) { |
| 19 | this->makeName(); |
| 20 | } |
| 21 | |
| 22 | protected: |
| 23 | virtual const char* onGetName() SK_OVERRIDE { return fName.c_str(); } |
| 24 | |
| 25 | virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| 26 | SkPaint paint; |
| 27 | paint.setAntiAlias(fAA); |
| 28 | SkColor color = 0xFF000000; |
| 29 | |
| 30 | int w = canvas->getBaseLayerSize().width(); |
| 31 | int h = canvas->getBaseLayerSize().height(); |
| 32 | |
| 33 | static const SkScalar kRectW = 25.1f; |
| 34 | static const SkScalar kRectH = 25.9f; |
| 35 | |
| 36 | SkMatrix rotate; |
| 37 | // This value was chosen so that we frequently hit the axis-aligned case. |
| 38 | rotate.setRotate(30.f, kRectW / 2, kRectH / 2); |
| 39 | SkMatrix m = rotate; |
| 40 | |
| 41 | SkScalar tx = 0, ty = 0; |
| 42 | |
| 43 | for (int i = 0; i < loops; ++i) { |
| 44 | canvas->save(); |
| 45 | canvas->translate(tx, ty); |
| 46 | canvas->concat(m); |
| 47 | paint.setColor(color); |
| 48 | if (fChangeColor) { |
| 49 | color += 0x010203; |
| 50 | color |= 0xFF000000; |
| 51 | } |
| 52 | canvas->drawRect(SkRect::MakeWH(kRectW, kRectH), paint); |
| 53 | canvas->restore(); |
| 54 | |
| 55 | tx += kRectW + 2; |
| 56 | if (tx > w) { |
| 57 | tx = 0; |
| 58 | ty += kRectH + 2; |
| 59 | if (ty > h) { |
| 60 | ty = 0; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | m.postConcat(rotate); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | private: |
| 69 | void makeName() { |
| 70 | fName = "rotated_rects"; |
| 71 | if (fAA) { |
| 72 | fName.append("_aa"); |
| 73 | } else { |
| 74 | fName.append("_bw"); |
| 75 | } |
| 76 | if (fChangeColor) { |
| 77 | fName.append("_change_color"); |
| 78 | } else { |
| 79 | fName.append("_same_color"); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | bool fAA; |
| 84 | bool fChangeColor; |
| 85 | SkString fName; |
| 86 | |
| 87 | typedef Benchmark INHERITED; |
| 88 | }; |
| 89 | |
| 90 | DEF_BENCH(return new RotRectBench(true, true);) |
| 91 | DEF_BENCH(return new RotRectBench(true, false);) |
| 92 | DEF_BENCH(return new RotRectBench(false, true);) |
| 93 | DEF_BENCH(return new RotRectBench(false, false);) |