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| 1 /* |
| 2 * Copyright 2016 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 // for std::max |
| 9 #include <algorithm> |
| 10 |
| 11 #include "Benchmark.h" |
| 12 #include "SkCurveMeasure.h" |
| 13 #include "SkPath.h" |
| 14 #include "SkPathMeasure.h" |
| 15 #include "SkString.h" |
| 16 |
| 17 #define NORMALIZE_LOOPS |
| 18 |
| 19 class MeasureBench : public Benchmark { |
| 20 protected: |
| 21 SkString fName; |
| 22 |
| 23 SkPath fPath; |
| 24 |
| 25 bool fUsePathMeasure; |
| 26 float fSize; |
| 27 size_t fPieces; |
| 28 |
| 29 SkPoint fPts[3]; |
| 30 |
| 31 public: |
| 32 MeasureBench(bool usePathMeasure, float size, size_t pieces) |
| 33 : fUsePathMeasure(usePathMeasure), |
| 34 fSize(size), |
| 35 fPieces(pieces) { |
| 36 fName.printf("measure_%s_%.1f_" SK_SIZE_T_SPECIFIER, |
| 37 fUsePathMeasure ? "pathMeasure" : "curveMeasure", fSize, |
| 38 fPieces); |
| 39 |
| 40 auto p1 = SkPoint::Make(0, 0); |
| 41 auto p2 = SkPoint::Make(30*fSize, 0); |
| 42 auto p3 = SkPoint::Make(15*fSize, 15*fSize); |
| 43 |
| 44 fPts[0] = p1; |
| 45 fPts[1] = p2; |
| 46 fPts[2] = p3; |
| 47 |
| 48 this->setPath(); |
| 49 } |
| 50 |
| 51 protected: |
| 52 const char* onGetName() override { return fName.c_str(); } |
| 53 |
| 54 void setPath() { |
| 55 fPath.moveTo(fPts[0]); |
| 56 fPath.quadTo(fPts[1], fPts[2]); |
| 57 } |
| 58 |
| 59 int numLoops() { |
| 60 #ifdef NORMALIZE_LOOPS |
| 61 // arbitrary heuristic |
| 62 return std::max(2, 10000 / ((int)fSize*(int)fPieces)); |
| 63 #else |
| 64 return 1000; |
| 65 #endif // NORMALIZE_LOOPS |
| 66 } |
| 67 |
| 68 //// measurement code |
| 69 |
| 70 void do_pathMeasure(SkCanvas* canvas) { |
| 71 SkPathMeasure meas(fPath, false); |
| 72 |
| 73 SkScalar totalLength = meas.getLength(); |
| 74 SkScalar pieceLength = totalLength / fPieces; |
| 75 |
| 76 SkPoint point; |
| 77 for (size_t i = 0; i <= fPieces; i++) { |
| 78 if (meas.getPosTan(i * pieceLength, &point, nullptr)) { |
| 79 }; |
| 80 } |
| 81 } |
| 82 |
| 83 void do_curveMeasure(SkCanvas* canvas) { |
| 84 SkCurveMeasure meas(fPts, kQuad_SegType); |
| 85 |
| 86 SkScalar totalLength = meas.getLength(); |
| 87 SkScalar pieceLength = totalLength / fPieces; |
| 88 |
| 89 SkPoint point; |
| 90 for (size_t i = 0; i <= fPieces; i++) { |
| 91 meas.getPosTan(i*pieceLength, &point, nullptr); |
| 92 } |
| 93 } |
| 94 |
| 95 void onDraw(int loops, SkCanvas* canvas) override { |
| 96 int inner_loops = numLoops(); |
| 97 for (int i = 0; i < loops; i++) { |
| 98 for (int j = 0; j < inner_loops; j++) { |
| 99 if (fUsePathMeasure) { |
| 100 do_pathMeasure(canvas); |
| 101 } |
| 102 else { |
| 103 do_curveMeasure(canvas); |
| 104 } |
| 105 } |
| 106 } |
| 107 } |
| 108 |
| 109 private: |
| 110 typedef Benchmark INHERITED; |
| 111 }; |
| 112 |
| 113 /////////////////////////////////////////////////////////////////////////////// |
| 114 |
| 115 DEF_BENCH(return new MeasureBench(true, 1, 2);) |
| 116 DEF_BENCH(return new MeasureBench(true, 2, 2);) |
| 117 DEF_BENCH(return new MeasureBench(true, 10, 2);) |
| 118 DEF_BENCH(return new MeasureBench(true, 100, 2);) |
| 119 DEF_BENCH(return new MeasureBench(true, 1000, 2);) |
| 120 |
| 121 DEF_BENCH(return new MeasureBench(true, 1, 1);) |
| 122 DEF_BENCH(return new MeasureBench(true, 1, 2);) |
| 123 DEF_BENCH(return new MeasureBench(true, 1, 3);) |
| 124 DEF_BENCH(return new MeasureBench(true, 1, 4);) |
| 125 DEF_BENCH(return new MeasureBench(true, 1, 5);) |
| 126 DEF_BENCH(return new MeasureBench(true, 2, 1);) |
| 127 DEF_BENCH(return new MeasureBench(true, 2, 2);) |
| 128 DEF_BENCH(return new MeasureBench(true, 2, 3);) |
| 129 DEF_BENCH(return new MeasureBench(true, 2, 4);) |
| 130 DEF_BENCH(return new MeasureBench(true, 2, 5);) |
| 131 DEF_BENCH(return new MeasureBench(true, 10, 10);) |
| 132 DEF_BENCH(return new MeasureBench(true, 10, 20);) |
| 133 DEF_BENCH(return new MeasureBench(true, 10, 30);) |
| 134 DEF_BENCH(return new MeasureBench(true, 10, 40);) |
| 135 DEF_BENCH(return new MeasureBench(true, 10, 50);) |
| 136 DEF_BENCH(return new MeasureBench(true, 100, 100);) |
| 137 DEF_BENCH(return new MeasureBench(true, 100, 200);) |
| 138 DEF_BENCH(return new MeasureBench(true, 100, 300);) |
| 139 DEF_BENCH(return new MeasureBench(true, 100, 400);) |
| 140 DEF_BENCH(return new MeasureBench(true, 100, 500);) |
| 141 DEF_BENCH(return new MeasureBench(true, 1000, 1000);) |
| 142 DEF_BENCH(return new MeasureBench(true, 1000, 2000);) |
| 143 DEF_BENCH(return new MeasureBench(true, 1000, 3000);) |
| 144 DEF_BENCH(return new MeasureBench(true, 1000, 4000);) |
| 145 DEF_BENCH(return new MeasureBench(true, 1000, 5000);) |
| 146 |
| 147 DEF_BENCH(return new MeasureBench(false, 1, 2);) |
| 148 DEF_BENCH(return new MeasureBench(false, 2, 2);) |
| 149 DEF_BENCH(return new MeasureBench(false, 10, 2);) |
| 150 DEF_BENCH(return new MeasureBench(false, 100, 2);) |
| 151 DEF_BENCH(return new MeasureBench(false, 1000, 2);) |
| 152 |
| 153 DEF_BENCH(return new MeasureBench(false, 1, 1);) |
| 154 DEF_BENCH(return new MeasureBench(false, 1, 2);) |
| 155 DEF_BENCH(return new MeasureBench(false, 1, 3);) |
| 156 DEF_BENCH(return new MeasureBench(false, 1, 4);) |
| 157 DEF_BENCH(return new MeasureBench(false, 1, 5);) |
| 158 DEF_BENCH(return new MeasureBench(false, 2, 1);) |
| 159 DEF_BENCH(return new MeasureBench(false, 2, 2);) |
| 160 DEF_BENCH(return new MeasureBench(false, 2, 3);) |
| 161 DEF_BENCH(return new MeasureBench(false, 2, 4);) |
| 162 DEF_BENCH(return new MeasureBench(false, 2, 5);) |
| 163 DEF_BENCH(return new MeasureBench(false, 10, 10);) |
| 164 DEF_BENCH(return new MeasureBench(false, 10, 20);) |
| 165 DEF_BENCH(return new MeasureBench(false, 10, 30);) |
| 166 DEF_BENCH(return new MeasureBench(false, 10, 40);) |
| 167 DEF_BENCH(return new MeasureBench(false, 10, 50);) |
| 168 DEF_BENCH(return new MeasureBench(false, 100, 100);) |
| 169 DEF_BENCH(return new MeasureBench(false, 100, 200);) |
| 170 DEF_BENCH(return new MeasureBench(false, 100, 300);) |
| 171 DEF_BENCH(return new MeasureBench(false, 100, 400);) |
| 172 DEF_BENCH(return new MeasureBench(false, 100, 500);) |
| 173 DEF_BENCH(return new MeasureBench(false, 1000, 1000);) |
| 174 DEF_BENCH(return new MeasureBench(false, 1000, 2000);) |
| 175 DEF_BENCH(return new MeasureBench(false, 1000, 3000);) |
| 176 DEF_BENCH(return new MeasureBench(false, 1000, 4000);) |
| 177 DEF_BENCH(return new MeasureBench(false, 1000, 5000);) |
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