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 SMALL SkIntToScalar(2) 18#define REAL 1.5f 19#define BIG SkIntToScalar(10) 20#define REALBIG 100.5f 21 22static const char* gStyleName[] = { 23 "normal", 24 "solid", 25 "outer", 26 "inner" 27}; 28 29class BlurBench : public Benchmark { 30 SkScalar fRadius; 31 SkBlurStyle fStyle; 32 uint32_t fFlags; 33 SkString fName; 34 35public: 36 BlurBench(SkScalar rad, SkBlurStyle bs, uint32_t flags = 0) { 37 fRadius = rad; 38 fStyle = bs; 39 fFlags = flags; 40 const char* name = rad > 0 ? gStyleName[bs] : "none"; 41 const char* quality = flags & SkBlurMaskFilter::kHighQuality_BlurFlag ? "high_quality" 42 : "low_quality"; 43 if (SkScalarFraction(rad) != 0) { 44 fName.printf("blur_%.2f_%s_%s", SkScalarToFloat(rad), name, quality); 45 } else { 46 fName.printf("blur_%d_%s_%s", SkScalarRoundToInt(rad), name, quality); 47 } 48 } 49 50protected: 51 virtual const char* onGetName() { 52 return fName.c_str(); 53 } 54 55 virtual void onDraw(const int loops, SkCanvas* canvas) { 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 SkMaskFilter* mf = SkBlurMaskFilter::Create(fStyle, 69 SkBlurMask::ConvertRadiusToSigma(fRadius), 70 fFlags); 71 paint.setMaskFilter(mf)->unref(); 72 } 73 canvas->drawOval(r, paint); 74 } 75 } 76 77private: 78 typedef Benchmark INHERITED; 79}; 80 81DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle);) 82DEF_BENCH(return new BlurBench(SMALL, kSolid_SkBlurStyle);) 83DEF_BENCH(return new BlurBench(SMALL, kOuter_SkBlurStyle);) 84DEF_BENCH(return new BlurBench(SMALL, kInner_SkBlurStyle);) 85 86DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle);) 87DEF_BENCH(return new BlurBench(BIG, kSolid_SkBlurStyle);) 88DEF_BENCH(return new BlurBench(BIG, kOuter_SkBlurStyle);) 89DEF_BENCH(return new BlurBench(BIG, kInner_SkBlurStyle);) 90 91DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle);) 92DEF_BENCH(return new BlurBench(REALBIG, kSolid_SkBlurStyle);) 93DEF_BENCH(return new BlurBench(REALBIG, kOuter_SkBlurStyle);) 94DEF_BENCH(return new BlurBench(REALBIG, kInner_SkBlurStyle);) 95 96DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle);) 97DEF_BENCH(return new BlurBench(REAL, kSolid_SkBlurStyle);) 98DEF_BENCH(return new BlurBench(REAL, kOuter_SkBlurStyle);) 99DEF_BENCH(return new BlurBench(REAL, kInner_SkBlurStyle);) 100 101DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 102 103DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 104 105DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 106 107DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle, SkBlurMaskFilter::kHighQuality_BlurFlag);) 108 109DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);) 110