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| 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 A
A 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);) |
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