1 /* 2 * Copyright 2011 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 #include "bench/Benchmark.h" 8 #include "include/core/SkBlurTypes.h" 9 #include "include/core/SkCanvas.h" 10 #include "include/core/SkMaskFilter.h" 11 #include "include/core/SkPaint.h" 12 #include "include/core/SkShader.h" 13 #include "include/core/SkString.h" 14 #include "src/base/SkRandom.h" 15 #include "src/core/SkBlurMask.h" 16 17 #define MINI 0.01f 18 #define SMALL SkIntToScalar(2) 19 #define REAL 0.5f 20 #define BIG SkIntToScalar(10) 21 #define REALBIG 100.5f 22 // The value that produces a sigma of just over 2. 23 #define CUTOVER 2.6f 24 25 static const char* gStyleName[] = { 26 "normal", 27 "solid", 28 "outer", 29 "inner" 30 }; 31 32 class BlurBench : public Benchmark { 33 SkScalar fRadius; 34 SkBlurStyle fStyle; 35 SkString fName; 36 37 public: BlurBench(SkScalar rad,SkBlurStyle bs)38 BlurBench(SkScalar rad, SkBlurStyle bs) { 39 fRadius = rad; 40 fStyle = bs; 41 const char* name = rad > 0 ? gStyleName[bs] : "none"; 42 const char* quality = "high_quality"; 43 if (SkScalarFraction(rad) != 0) { 44 fName.printf("blur_%.2f_%s_%s", rad, name, quality); 45 } else { 46 fName.printf("blur_%d_%s_%s", SkScalarRoundToInt(rad), name, quality); 47 } 48 } 49 50 protected: onGetName()51 const char* onGetName() override { 52 return fName.c_str(); 53 } 54 onDraw(int loops,SkCanvas * canvas)55 void onDraw(int loops, SkCanvas* canvas) override { 56 SkPaint paint; 57 this->setupPaint(&paint); 58 59 paint.setAntiAlias(true); 60 61 SkRandom rand; 62 for (int i = 0; i < loops; i++) { 63 SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400, 64 rand.nextUScalar1() * 400); 65 r.offset(fRadius, fRadius); 66 67 if (fRadius > 0) { 68 paint.setMaskFilter(SkMaskFilter::MakeBlur(fStyle, 69 SkBlurMask::ConvertRadiusToSigma(fRadius))); 70 } 71 canvas->drawOval(r, paint); 72 } 73 } 74 75 private: 76 using INHERITED = Benchmark; 77 }; 78 79 DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle);) 80 DEF_BENCH(return new BlurBench(MINI, kSolid_SkBlurStyle);) 81 DEF_BENCH(return new BlurBench(MINI, kOuter_SkBlurStyle);) 82 DEF_BENCH(return new BlurBench(MINI, kInner_SkBlurStyle);) 83 84 DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle);) 85 DEF_BENCH(return new BlurBench(SMALL, kSolid_SkBlurStyle);) 86 DEF_BENCH(return new BlurBench(SMALL, kOuter_SkBlurStyle);) 87 DEF_BENCH(return new BlurBench(SMALL, kInner_SkBlurStyle);) 88 89 DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle);) 90 DEF_BENCH(return new BlurBench(BIG, kSolid_SkBlurStyle);) 91 DEF_BENCH(return new BlurBench(BIG, kOuter_SkBlurStyle);) 92 DEF_BENCH(return new BlurBench(BIG, kInner_SkBlurStyle);) 93 94 DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle);) 95 DEF_BENCH(return new BlurBench(REALBIG, kSolid_SkBlurStyle);) 96 DEF_BENCH(return new BlurBench(REALBIG, kOuter_SkBlurStyle);) 97 DEF_BENCH(return new BlurBench(REALBIG, kInner_SkBlurStyle);) 98 99 DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle);) 100 DEF_BENCH(return new BlurBench(REAL, kSolid_SkBlurStyle);) 101 DEF_BENCH(return new BlurBench(REAL, kOuter_SkBlurStyle);) 102 DEF_BENCH(return new BlurBench(REAL, kInner_SkBlurStyle);) 103 104 DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);) 105