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/SkCanvas.h" 9 #include "include/core/SkMaskFilter.h" 10 #include "include/core/SkPaint.h" 11 #include "include/core/SkShader.h" 12 #include "include/core/SkString.h" 13 #include "include/utils/SkRandom.h" 14 #include "src/core/SkBlurMask.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 SkString fName; 35 36 public: BlurBench(SkScalar rad,SkBlurStyle bs)37 BlurBench(SkScalar rad, SkBlurStyle bs) { 38 fRadius = rad; 39 fStyle = bs; 40 const char* name = rad > 0 ? gStyleName[bs] : "none"; 41 const char* quality = "high_quality"; 42 if (SkScalarFraction(rad) != 0) { 43 fName.printf("blur_%.2f_%s_%s", SkScalarToFloat(rad), name, quality); 44 } else { 45 fName.printf("blur_%d_%s_%s", SkScalarRoundToInt(rad), name, quality); 46 } 47 } 48 49 protected: onGetName()50 const char* onGetName() override { 51 return fName.c_str(); 52 } 53 onDraw(int loops,SkCanvas * canvas)54 void onDraw(int loops, SkCanvas* canvas) override { 55 SkPaint paint; 56 this->setupPaint(&paint); 57 58 paint.setAntiAlias(true); 59 60 SkRandom rand; 61 for (int i = 0; i < loops; i++) { 62 SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400, 63 rand.nextUScalar1() * 400); 64 r.offset(fRadius, fRadius); 65 66 if (fRadius > 0) { 67 paint.setMaskFilter(SkMaskFilter::MakeBlur(fStyle, 68 SkBlurMask::ConvertRadiusToSigma(fRadius))); 69 } 70 canvas->drawOval(r, paint); 71 } 72 } 73 74 private: 75 typedef Benchmark INHERITED; 76 }; 77 78 DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle);) 79 DEF_BENCH(return new BlurBench(MINI, kSolid_SkBlurStyle);) 80 DEF_BENCH(return new BlurBench(MINI, kOuter_SkBlurStyle);) 81 DEF_BENCH(return new BlurBench(MINI, kInner_SkBlurStyle);) 82 83 DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle);) 84 DEF_BENCH(return new BlurBench(SMALL, kSolid_SkBlurStyle);) 85 DEF_BENCH(return new BlurBench(SMALL, kOuter_SkBlurStyle);) 86 DEF_BENCH(return new BlurBench(SMALL, kInner_SkBlurStyle);) 87 88 DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle);) 89 DEF_BENCH(return new BlurBench(BIG, kSolid_SkBlurStyle);) 90 DEF_BENCH(return new BlurBench(BIG, kOuter_SkBlurStyle);) 91 DEF_BENCH(return new BlurBench(BIG, kInner_SkBlurStyle);) 92 93 DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle);) 94 DEF_BENCH(return new BlurBench(REALBIG, kSolid_SkBlurStyle);) 95 DEF_BENCH(return new BlurBench(REALBIG, kOuter_SkBlurStyle);) 96 DEF_BENCH(return new BlurBench(REALBIG, kInner_SkBlurStyle);) 97 98 DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle);) 99 DEF_BENCH(return new BlurBench(REAL, kSolid_SkBlurStyle);) 100 DEF_BENCH(return new BlurBench(REAL, kOuter_SkBlurStyle);) 101 DEF_BENCH(return new BlurBench(REAL, kInner_SkBlurStyle);) 102 103 DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);) 104