1 /* 2 * Copyright 2013 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 8 #include "Benchmark.h" 9 #include "SkBlurImageFilter.h" 10 #include "SkOffsetImageFilter.h" 11 #include "SkCanvas.h" 12 #include "SkPaint.h" 13 #include "SkRandom.h" 14 #include "SkShader.h" 15 #include "SkString.h" 16 17 #define FILTER_WIDTH_SMALL 32 18 #define FILTER_HEIGHT_SMALL 32 19 #define FILTER_WIDTH_LARGE 256 20 #define FILTER_HEIGHT_LARGE 256 21 #define BLUR_SIGMA_MINI 0.5f 22 #define BLUR_SIGMA_SMALL 1.0f 23 #define BLUR_SIGMA_LARGE 10.0f 24 #define BLUR_SIGMA_HUGE 80.0f 25 26 27 // When 'cropped' is set we apply a cropRect to the blurImageFilter. The crop rect is an inset of 28 // the source's natural dimensions. This is intended to exercise blurring a larger source bitmap 29 // to a smaller destination bitmap. 30 31 // When 'expanded' is set we apply a cropRect to the input of the blurImageFilter (a noOp 32 // offsetImageFilter). The crop rect in this case is an inset of the source's natural dimensions. 33 // An additional crop rect is applied to the blurImageFilter that is just the natural dimensions 34 // of the source (not inset). This is intended to exercise blurring a smaller source bitmap to a 35 // larger destination. 36 37 class BlurImageFilterBench : public Benchmark { 38 public: 39 BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY, bool small, bool cropped, 40 bool expanded) 41 : fIsSmall(small) 42 , fIsCropped(cropped) 43 , fIsExpanded(expanded) 44 , fInitialized(false) 45 , fSigmaX(sigmaX) 46 , fSigmaY(sigmaY) { 47 fName.printf("blur_image_filter_%s%s%s_%.2f_%.2f", 48 fIsSmall ? "small" : "large", 49 fIsCropped ? "_cropped" : "", 50 fIsExpanded ? "_expanded" : "", 51 SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY)); 52 SkASSERT(!fIsExpanded || fIsCropped); // never want expansion w/o cropping 53 } 54 55 protected: 56 const char* onGetName() override { 57 return fName.c_str(); 58 } 59 60 void onDelayedSetup() override { 61 if (!fInitialized) { 62 make_checkerboard(); 63 fInitialized = true; 64 } 65 } 66 67 void onDraw(int loops, SkCanvas* canvas) override { 68 SkPaint paint; 69 static const SkScalar kX = 0; 70 static const SkScalar kY = 0; 71 const SkRect bmpRect = SkRect::MakeXYWH(kX, kY, 72 SkIntToScalar(fCheckerboard.width()), 73 SkIntToScalar(fCheckerboard.height())); 74 const SkImageFilter::CropRect cropRect(bmpRect.makeInset(10.f, 10.f)); 75 const SkImageFilter::CropRect cropRectLarge(bmpRect); 76 SkAutoTUnref<SkImageFilter> noOpCropped(SkOffsetImageFilter::Create(0, 0, nullptr, 77 &cropRect)); 78 79 SkImageFilter* input = fIsExpanded ? noOpCropped.get() : nullptr; 80 81 const SkImageFilter::CropRect* crop = 82 fIsExpanded ? &cropRectLarge : fIsCropped ? &cropRect : nullptr; 83 SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(fSigmaX, fSigmaY, input, crop)); 84 paint.setImageFilter(blur); 85 86 for (int i = 0; i < loops; i++) { 87 canvas->drawBitmap(fCheckerboard, kX, kY, &paint); 88 } 89 } 90 91 private: 92 void make_checkerboard() { 93 const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; 94 const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE; 95 fCheckerboard.allocN32Pixels(w, h); 96 SkCanvas canvas(fCheckerboard); 97 canvas.clear(0x00000000); 98 SkPaint darkPaint; 99 darkPaint.setColor(0xFF804020); 100 SkPaint lightPaint; 101 lightPaint.setColor(0xFF244484); 102 for (int y = 0; y < h; y += 16) { 103 for (int x = 0; x < w; x += 16) { 104 canvas.save(); 105 canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); 106 canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); 107 canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); 108 canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); 109 canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); 110 canvas.restore(); 111 } 112 } 113 } 114 115 SkString fName; 116 bool fIsSmall; 117 bool fIsCropped; 118 bool fIsExpanded; 119 bool fInitialized; 120 SkBitmap fCheckerboard; 121 SkScalar fSigmaX, fSigmaY; 122 typedef Benchmark INHERITED; 123 }; 124 125 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, false, false);) 126 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, false, false);) 127 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, false, false);) 128 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, false, false);) 129 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, false, false);) 130 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, false, false);) 131 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, false, false);) 132 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, false, false);) 133 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, false, false);) 134 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, false, false);) 135 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, false, false);) 136 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, false, false);) 137 138 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true, false);) 139 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true, false);) 140 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true, false);) 141 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true, false);) 142 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true, false);) 143 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true, false);) 144 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true, false);) 145 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true, false);) 146 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true, false);) 147 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true, false);) 148 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true, false);) 149 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true, false);) 150 151 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true, true);) 152 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true, true);) 153 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true, true);) 154 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true, true);) 155 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true, true);) 156 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true, true);) 157 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true, true);) 158 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true, true);) 159 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true, true);) 160 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true, true);) 161 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true, true);) 162 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true, true);) 163
