1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #include "Benchmark.h" 9 #include "SkBlurMask.h" 10 #include "SkBlurMaskFilter.h" 11 #include "SkCanvas.h" 12 #include "SkPaint.h" 13 #include "SkRandom.h" 14 #include "SkShader.h" 15 #include "SkString.h" 16 17 #define MINI 0.01f 18 #define SMALL SkIntToScalar(2) 19 #define REAL 1.5f 20 #define BIG SkIntToScalar(10) 21 #define REALBIG 100.5f 22 23 static const char* gStyleName[] = { 24 "normal", 25 "solid", 26 "outer", 27 "inner" 28 }; 29 30 class BlurBench : public Benchmark { 31 SkScalar fRadius; 32 SkBlurStyle fStyle; 33 uint32_t fFlags; 34 SkString fName; 35 36 public: BlurBench(SkScalar rad,SkBlurStyle bs,uint32_t flags=0)37 BlurBench(SkScalar rad, SkBlurStyle bs, uint32_t flags = 0) { 38 fRadius = rad; 39 fStyle = bs; 40 fFlags = flags; 41 const char* name = rad > 0 ? gStyleName[bs] : "none"; 42 const char* quality = flags & SkBlurMaskFilter::kHighQuality_BlurFlag ? "high_quality" 43 : "low_quality"; 44 if (SkScalarFraction(rad) != 0) { 45 fName.printf("blur_%.2f_%s_%s", SkScalarToFloat(rad), name, quality); 46 } else { 47 fName.printf("blur_%d_%s_%s", SkScalarRoundToInt(rad), name, quality); 48 } 49 } 50 51 protected: onGetName()52 virtual const char* onGetName() { 53 return fName.c_str(); 54 } 55 onDraw(int loops,SkCanvas * canvas)56 virtual void onDraw(int loops, SkCanvas* canvas) { 57 SkPaint paint; 58 this->setupPaint(&paint); 59 60 paint.setAntiAlias(true); 61 62 SkRandom rand; 63 for (int i = 0; i < loops; i++) { 64 SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400, 65 rand.nextUScalar1() * 400); 66 r.offset(fRadius, fRadius); 67 68 if (fRadius > 0) { 69 SkMaskFilter* mf = SkBlurMaskFilter::Create(fStyle, 70 SkBlurMask::ConvertRadiusToSigma(fRadius), 71 fFlags); 72 paint.setMaskFilter(mf)->unref(); 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);) 116 117 DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);) 118