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 23static const char* gStyleName[] = { 24 "normal", 25 "solid", 26 "outer", 27 "inner" 28}; 29 30class BlurBench : public Benchmark { 31 SkScalar fRadius; 32 SkBlurStyle fStyle; 33 uint32_t fFlags; 34 SkString fName; 35 36public: 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 51protected: 52 virtual const char* onGetName() { 53 return fName.c_str(); 54 } 55 56 virtual void onDraw(const 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 78private: 79 typedef Benchmark INHERITED; 80}; 81 82DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle);) 83DEF_BENCH(return new BlurBench(MINI, kSolid_SkBlurStyle);) 84DEF_BENCH(return new BlurBench(MINI, kOuter_SkBlurStyle);) 85DEF_BENCH(return new BlurBench(MINI, kInner_SkBlurStyle);) 86 87DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle);) 88DEF_BENCH(return new BlurBench(SMALL, kSolid_SkBlurStyle);) 89DEF_BENCH(return new BlurBench(SMALL, kOuter_SkBlurStyle);) 90DEF_BENCH(return new BlurBench(SMALL, kInner_SkBlurStyle);) 91 92DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle);) 93DEF_BENCH(return new BlurBench(BIG, kSolid_SkBlurStyle);) 94DEF_BENCH(return new BlurBench(BIG, kOuter_SkBlurStyle);) 95DEF_BENCH(return new BlurBench(BIG, kInner_SkBlurStyle);) 96 97DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle);) 98DEF_BENCH(return new BlurBench(REALBIG, kSolid_SkBlurStyle);) 99DEF_BENCH(return new BlurBench(REALBIG, kOuter_SkBlurStyle);) 100DEF_BENCH(return new BlurBench(REALBIG, kInner_SkBlurStyle);) 101 102DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle);) 103DEF_BENCH(return new BlurBench(REAL, kSolid_SkBlurStyle);) 104DEF_BENCH(return new BlurBench(REAL, kOuter_SkBlurStyle);) 105DEF_BENCH(return new BlurBench(REAL, kInner_SkBlurStyle);) 106 107DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 108 109DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 110 111DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 112 113DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 114 115DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 116 117DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);) 118