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 "Benchmark.h" 8 #include "SkBlurMask.h" 9 #include "SkBlurMaskFilter.h" 10 #include "SkCanvas.h" 11 #include "SkPaint.h" 12 #include "SkRandom.h" 13 #include "SkShader.h" 14 #include "SkString.h" 15 16 #define MINI 0.01f 17 #define SMALL SkIntToScalar(2) 18 #define REAL 0.5f 19 #define BIG SkIntToScalar(10) 20 #define REALBIG 100.5f 21 // The value that produces a sigma of just over 2. 22 #define CUTOVER 2.6f 23 24 static const char* gStyleName[] = { 25 "normal", 26 "solid", 27 "outer", 28 "inner" 29 }; 30 31 class BlurBench : public Benchmark { 32 SkScalar fRadius; 33 SkBlurStyle fStyle; 34 uint32_t fFlags; 35 SkString fName; 36 37 public: BlurBench(SkScalar rad,SkBlurStyle bs,uint32_t flags=0)38 BlurBench(SkScalar rad, SkBlurStyle bs, uint32_t flags = 0) { 39 fRadius = rad; 40 fStyle = bs; 41 fFlags = flags; 42 const char* name = rad > 0 ? gStyleName[bs] : "none"; 43 const char* quality = flags & SkBlurMaskFilter::kHighQuality_BlurFlag ? "high_quality" 44 : "low_quality"; 45 if (SkScalarFraction(rad) != 0) { 46 fName.printf("blur_%.2f_%s_%s", SkScalarToFloat(rad), name, quality); 47 } else { 48 fName.printf("blur_%d_%s_%s", SkScalarRoundToInt(rad), name, quality); 49 } 50 } 51 52 protected: onGetName()53 virtual const char* onGetName() { 54 return fName.c_str(); 55 } 56 onDraw(int loops,SkCanvas * canvas)57 virtual void onDraw(int loops, SkCanvas* canvas) { 58 SkPaint paint; 59 this->setupPaint(&paint); 60 61 paint.setAntiAlias(true); 62 63 SkRandom rand; 64 for (int i = 0; i < loops; i++) { 65 SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400, 66 rand.nextUScalar1() * 400); 67 r.offset(fRadius, fRadius); 68 69 if (fRadius > 0) { 70 paint.setMaskFilter(SkBlurMaskFilter::Make(fStyle, 71 SkBlurMask::ConvertRadiusToSigma(fRadius), 72 fFlags)); 73 } 74 canvas->drawOval(r, paint); 75 } 76 } 77 78 private: 79 typedef Benchmark INHERITED; 80 }; 81 82 DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle);) 83 DEF_BENCH(return new BlurBench(MINI, kSolid_SkBlurStyle);) 84 DEF_BENCH(return new BlurBench(MINI, kOuter_SkBlurStyle);) 85 DEF_BENCH(return new BlurBench(MINI, kInner_SkBlurStyle);) 86 87 DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle);) 88 DEF_BENCH(return new BlurBench(SMALL, kSolid_SkBlurStyle);) 89 DEF_BENCH(return new BlurBench(SMALL, kOuter_SkBlurStyle);) 90 DEF_BENCH(return new BlurBench(SMALL, kInner_SkBlurStyle);) 91 92 DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle);) 93 DEF_BENCH(return new BlurBench(BIG, kSolid_SkBlurStyle);) 94 DEF_BENCH(return new BlurBench(BIG, kOuter_SkBlurStyle);) 95 DEF_BENCH(return new BlurBench(BIG, kInner_SkBlurStyle);) 96 97 DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle);) 98 DEF_BENCH(return new BlurBench(REALBIG, kSolid_SkBlurStyle);) 99 DEF_BENCH(return new BlurBench(REALBIG, kOuter_SkBlurStyle);) 100 DEF_BENCH(return new BlurBench(REALBIG, kInner_SkBlurStyle);) 101 102 DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle);) 103 DEF_BENCH(return new BlurBench(REAL, kSolid_SkBlurStyle);) 104 DEF_BENCH(return new BlurBench(REAL, kOuter_SkBlurStyle);) 105 DEF_BENCH(return new BlurBench(REAL, kInner_SkBlurStyle);) 106 107 DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 108 109 DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 110 111 DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 112 113 DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 114 115 DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 116 DEF_BENCH(return new BlurBench(CUTOVER, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 117 118 DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);) 119