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 "SkBlendModePriv.h" 10 #include "SkCanvas.h" 11 #include "SkPaint.h" 12 #include "SkRandom.h" 13 #include "SkString.h" 14 15 // Benchmark that draws non-AA rects or AA text with an SkXfermode::Mode. 16 class XfermodeBench : public Benchmark { 17 public: XfermodeBench(SkBlendMode mode,bool aa)18 XfermodeBench(SkBlendMode mode, bool aa) : fBlendMode(mode) { 19 fAA = aa; 20 fName.printf("blendmode_%s_%s", aa ? "mask" : "rect", SkBlendMode_Name(mode)); 21 } 22 23 protected: onGetName()24 const char* onGetName() override { return fName.c_str(); } 25 onDraw(int loops,SkCanvas * canvas)26 void onDraw(int loops, SkCanvas* canvas) override { 27 const char* text = "Hamburgefons"; 28 size_t len = strlen(text); 29 SkISize size = canvas->getBaseLayerSize(); 30 SkRandom random; 31 for (int i = 0; i < loops; ++i) { 32 SkPaint paint; 33 paint.setBlendMode(fBlendMode); 34 paint.setColor(random.nextU()); 35 if (fAA) { 36 // Draw text to exercise AA code paths. 37 paint.setAntiAlias(true); 38 paint.setTextSize(random.nextRangeScalar(12, 96)); 39 SkScalar x = random.nextRangeScalar(0, (SkScalar)size.fWidth), 40 y = random.nextRangeScalar(0, (SkScalar)size.fHeight); 41 for (int j = 0; j < 1000; ++j) { 42 canvas->drawText(text, len, x, y, paint); 43 } 44 } else { 45 // Draw rects to exercise non-AA code paths. 46 SkScalar w = random.nextRangeScalar(50, 100); 47 SkScalar h = random.nextRangeScalar(50, 100); 48 SkRect rect = SkRect::MakeXYWH( 49 random.nextUScalar1() * (size.fWidth - w), 50 random.nextUScalar1() * (size.fHeight - h), 51 w, 52 h 53 ); 54 for (int j = 0; j < 1000; ++j) { 55 canvas->drawRect(rect, paint); 56 } 57 } 58 } 59 } 60 61 private: 62 SkBlendMode fBlendMode; 63 SkString fName; 64 bool fAA; 65 66 typedef Benchmark INHERITED; 67 }; 68 69 ////////////////////////////////////////////////////////////////////////////// 70 71 #define BENCH(...) \ 72 DEF_BENCH( return new XfermodeBench(__VA_ARGS__, true); ) \ 73 DEF_BENCH( return new XfermodeBench(__VA_ARGS__, false); ) 74 75 BENCH(SkBlendMode::kClear) 76 BENCH(SkBlendMode::kSrc) 77 BENCH(SkBlendMode::kDst) 78 BENCH(SkBlendMode::kSrcOver) 79 BENCH(SkBlendMode::kDstOver) 80 BENCH(SkBlendMode::kSrcIn) 81 BENCH(SkBlendMode::kDstIn) 82 BENCH(SkBlendMode::kSrcOut) 83 BENCH(SkBlendMode::kDstOut) 84 BENCH(SkBlendMode::kSrcATop) 85 BENCH(SkBlendMode::kDstATop) 86 BENCH(SkBlendMode::kXor) 87 88 BENCH(SkBlendMode::kPlus) 89 BENCH(SkBlendMode::kModulate) 90 BENCH(SkBlendMode::kScreen) 91 92 BENCH(SkBlendMode::kOverlay) 93 BENCH(SkBlendMode::kDarken) 94 BENCH(SkBlendMode::kLighten) 95 BENCH(SkBlendMode::kColorDodge) 96 BENCH(SkBlendMode::kColorBurn) 97 BENCH(SkBlendMode::kHardLight) 98 BENCH(SkBlendMode::kSoftLight) 99 BENCH(SkBlendMode::kDifference) 100 BENCH(SkBlendMode::kExclusion) 101 BENCH(SkBlendMode::kMultiply) 102 103 BENCH(SkBlendMode::kHue) 104 BENCH(SkBlendMode::kSaturation) 105 BENCH(SkBlendMode::kColor) 106 BENCH(SkBlendMode::kLuminosity) 107