robertphillips | c2fce56 | 2014-06-05 07:18:03 -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 "SkBenchmark.h" |
| 9 | #include "SkRandom.h" |
| 10 | #include "SkSize.h" |
| 11 | #include "SkTDArray.h" |
| 12 | |
| 13 | #if SK_SUPPORT_GPU |
| 14 | |
| 15 | #include "GrRectanizer_pow2.h" |
| 16 | #include "GrRectanizer_skyline.h" |
| 17 | |
| 18 | /** |
| 19 | * This bench exercises Ganesh' GrRectanizer classes. It exercises the following |
| 20 | * rectanizers: |
| 21 | * Pow2 Rectanizer |
| 22 | * Skyline Rectanizer |
| 23 | * in the following cases: |
| 24 | * random rects (e.g., pull-save-layers forward use case) |
| 25 | * random power of two rects |
| 26 | * small constant sized power of 2 rects (e.g., glyph cache use case) |
| 27 | */ |
| 28 | class RectanizerBench : public SkBenchmark { |
| 29 | public: |
| 30 | static const int kWidth = 1024; |
| 31 | static const int kHeight = 1024; |
| 32 | |
| 33 | enum RectanizerType { |
| 34 | kPow2_RectanizerType, |
| 35 | kSkyline_RectanizerType, |
| 36 | }; |
| 37 | |
| 38 | enum RectType { |
| 39 | kRand_RectType, |
| 40 | kRandPow2_RectType, |
| 41 | kSmallPow2_RectType |
| 42 | }; |
| 43 | |
| 44 | RectanizerBench(RectanizerType rectanizerType, RectType rectType) |
| 45 | : fName("rectanizer_") |
| 46 | , fRectanizerType(rectanizerType) |
| 47 | , fRectType(rectType) { |
| 48 | |
| 49 | if (kPow2_RectanizerType == fRectanizerType) { |
| 50 | fName.append("pow2_"); |
| 51 | } else { |
| 52 | SkASSERT(kSkyline_RectanizerType == fRectanizerType); |
| 53 | fName.append("skyline_"); |
| 54 | } |
| 55 | |
| 56 | if (kRand_RectType == fRectType) { |
| 57 | fName.append("rand"); |
| 58 | } else if (kRandPow2_RectType == fRectType) { |
| 59 | fName.append("rand2"); |
| 60 | } else { |
| 61 | SkASSERT(kSmallPow2_RectType == fRectType); |
| 62 | fName.append("sm2"); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | protected: |
| 67 | virtual bool isSuitableFor(Backend backend) SK_OVERRIDE { |
| 68 | return kNonRendering_Backend == backend; |
| 69 | } |
| 70 | |
| 71 | virtual const char* onGetName() SK_OVERRIDE { |
| 72 | return fName.c_str(); |
| 73 | } |
| 74 | |
| 75 | virtual void onPreDraw() SK_OVERRIDE { |
| 76 | SkASSERT(NULL == fRectanizer.get()); |
| 77 | |
| 78 | if (kPow2_RectanizerType == fRectanizerType) { |
| 79 | fRectanizer.reset(SkNEW_ARGS(GrRectanizerPow2, (kWidth, kHeight))); |
| 80 | } else { |
| 81 | SkASSERT(kSkyline_RectanizerType == fRectanizerType); |
| 82 | fRectanizer.reset(SkNEW_ARGS(GrRectanizerSkyline, (kWidth, kHeight))); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| 87 | SkRandom rand; |
| 88 | SkIPoint16 loc; |
| 89 | SkISize size; |
| 90 | |
| 91 | for (int i = 0; i < loops; ++i) { |
| 92 | if (kRand_RectType == fRectType) { |
| 93 | size = SkISize::Make(rand.nextRangeU(1, kWidth / 2), |
| 94 | rand.nextRangeU(1, kHeight / 2)); |
| 95 | } else if (kRandPow2_RectType == fRectType) { |
| 96 | size = SkISize::Make(GrNextPow2(rand.nextRangeU(1, kWidth / 2)), |
| 97 | GrNextPow2(rand.nextRangeU(1, kHeight / 2))); |
| 98 | } else { |
| 99 | SkASSERT(kSmallPow2_RectType == fRectType); |
| 100 | size = SkISize::Make(128, 128); |
| 101 | } |
| 102 | |
| 103 | if (!fRectanizer->addRect(size.fWidth, size.fHeight, &loc)) { |
| 104 | // insert failed so clear out the rectanizer and give the |
| 105 | // current rect another try |
| 106 | fRectanizer->reset(); |
| 107 | i--; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | fRectanizer->reset(); |
| 112 | } |
| 113 | |
| 114 | private: |
| 115 | SkString fName; |
| 116 | RectanizerType fRectanizerType; |
| 117 | RectType fRectType; |
| 118 | SkAutoTDelete<GrRectanizer> fRectanizer; |
| 119 | |
| 120 | typedef SkBenchmark INHERITED; |
| 121 | }; |
| 122 | |
| 123 | ////////////////////////////////////////////////////////////////////////////// |
| 124 | |
| 125 | DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType, |
| 126 | RectanizerBench::kRand_RectType);) |
| 127 | DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType, |
| 128 | RectanizerBench::kRandPow2_RectType);) |
| 129 | DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType, |
| 130 | RectanizerBench::kSmallPow2_RectType);) |
| 131 | DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType, |
| 132 | RectanizerBench::kRand_RectType);) |
| 133 | DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType, |
| 134 | RectanizerBench::kRandPow2_RectType);) |
| 135 | DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType, |
| 136 | RectanizerBench::kSmallPow2_RectType);) |
| 137 | |
| 138 | #endif |