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 static SkBitmap make_checkerboard(int width, int height) { 38 SkBitmap bm; 39 bm.allocN32Pixels(width, height); 40 SkCanvas canvas(bm); 41 canvas.clear(0x00000000); 42 SkPaint darkPaint; 43 darkPaint.setColor(0xFF804020); 44 SkPaint lightPaint; 45 lightPaint.setColor(0xFF244484); 46 for (int y = 0; y < height; y += 16) { 47 for (int x = 0; x < width; x += 16) { 48 canvas.save(); 49 canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); 50 canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); 51 canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); 52 canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); 53 canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); 54 canvas.restore(); 55 } 56 } 57 58 return bm; 59 } 60 61 class BlurImageFilterBench : public Benchmark { 62 public: 63 BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY, bool small, bool cropped, 64 bool expanded) 65 : fIsSmall(small) 66 , fIsCropped(cropped) 67 , fIsExpanded(expanded) 68 , fInitialized(false) 69 , fSigmaX(sigmaX) 70 , fSigmaY(sigmaY) { 71 fName.printf("blur_image_filter_%s%s%s_%.2f_%.2f", 72 fIsSmall ? "small" : "large", 73 fIsCropped ? "_cropped" : "", 74 fIsExpanded ? "_expanded" : "", 75 SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY)); 76 SkASSERT(!fIsExpanded || fIsCropped); // never want expansion w/o cropping 77 } 78 79 protected: 80 const char* onGetName() override { 81 return fName.c_str(); 82 } 83 84 void onDelayedSetup() override { 85 if (!fInitialized) { 86 fCheckerboard = make_checkerboard(fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE, 87 fIsSmall ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE); 88 fInitialized = true; 89 } 90 } 91 92 void onDraw(int loops, SkCanvas* canvas) override { 93 static const SkScalar kX = 0; 94 static const SkScalar kY = 0; 95 const SkRect bmpRect = SkRect::MakeXYWH(kX, kY, 96 SkIntToScalar(fCheckerboard.width()), 97 SkIntToScalar(fCheckerboard.height())); 98 const SkImageFilter::CropRect cropRect(bmpRect.makeInset(10.f, 10.f)); 99 const SkImageFilter::CropRect cropRectLarge(bmpRect); 100 101 sk_sp<SkImageFilter> input = fIsExpanded 102 ? SkOffsetImageFilter::Make(0, 0, nullptr, &cropRect) 103 : nullptr; 104 105 const SkImageFilter::CropRect* crop = 106 fIsExpanded ? &cropRectLarge : fIsCropped ? &cropRect : nullptr; 107 SkPaint paint; 108 paint.setImageFilter(SkBlurImageFilter::Make(fSigmaX, fSigmaY, std::move(input), crop)); 109 110 for (int i = 0; i < loops; i++) { 111 canvas->drawBitmap(fCheckerboard, kX, kY, &paint); 112 } 113 } 114 115 private: 116 117 SkString fName; 118 bool fIsSmall; 119 bool fIsCropped; 120 bool fIsExpanded; 121 bool fInitialized; 122 SkBitmap fCheckerboard; 123 SkScalar fSigmaX, fSigmaY; 124 typedef Benchmark INHERITED; 125 }; 126 127 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, false, false);) 128 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, false, false);) 129 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, false, false);) 130 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, false, false);) 131 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, false, false);) 132 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, false, false);) 133 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, false, false);) 134 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, false, false);) 135 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, false, false);) 136 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, false, false);) 137 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, false, false);) 138 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, false, false);) 139 140 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true, false);) 141 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true, false);) 142 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true, false);) 143 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true, false);) 144 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true, false);) 145 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true, false);) 146 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true, false);) 147 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true, false);) 148 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true, false);) 149 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true, false);) 150 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true, false);) 151 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true, false);) 152 153 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true, true);) 154 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true, true);) 155 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true, true);) 156 DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true, true);) 157 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true, true);) 158 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true, true);) 159 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true, true);) 160 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true, true);) 161 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true, true);) 162 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true, true);) 163 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true, true);) 164 DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true, true);) 165
