1#include "SkBenchmark.h" 2#include "SkBitmap.h" 3#include "SkCanvas.h" 4#include "SkColorPriv.h" 5#include "SkPaint.h" 6#include "SkShader.h" 7#include "SkString.h" 8 9static const char* gConfigName[] = { 10 "ERROR", "a1", "a8", "index8", "565", "4444", "8888" 11}; 12 13static void drawIntoBitmap(const SkBitmap& bm) { 14 const int w = bm.width(); 15 const int h = bm.height(); 16 17 SkCanvas canvas(bm); 18 SkPaint p; 19 p.setAntiAlias(true); 20 p.setColor(SK_ColorRED); 21 canvas.drawCircle(SkIntToScalar(w)/2, SkIntToScalar(h)/2, 22 SkIntToScalar(SkMin32(w, h))*3/8, p); 23 24 SkRect r; 25 r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h)); 26 p.setStyle(SkPaint::kStroke_Style); 27 p.setStrokeWidth(SkIntToScalar(4)); 28 p.setColor(SK_ColorBLUE); 29 canvas.drawRect(r, p); 30} 31 32static int conv6ToByte(int x) { 33 return x * 0xFF / 5; 34} 35 36static int convByteTo6(int x) { 37 return x * 5 / 255; 38} 39 40static uint8_t compute666Index(SkPMColor c) { 41 int r = SkGetPackedR32(c); 42 int g = SkGetPackedG32(c); 43 int b = SkGetPackedB32(c); 44 45 return convByteTo6(r) * 36 + convByteTo6(g) * 6 + convByteTo6(b); 46} 47 48static void convertToIndex666(const SkBitmap& src, SkBitmap* dst) { 49 SkColorTable* ctable = new SkColorTable(216); 50 SkPMColor* colors = ctable->lockColors(); 51 // rrr ggg bbb 52 for (int r = 0; r < 6; r++) { 53 int rr = conv6ToByte(r); 54 for (int g = 0; g < 6; g++) { 55 int gg = conv6ToByte(g); 56 for (int b = 0; b < 6; b++) { 57 int bb = conv6ToByte(b); 58 *colors++ = SkPreMultiplyARGB(0xFF, rr, gg, bb); 59 } 60 } 61 } 62 ctable->unlockColors(true); 63 dst->setConfig(SkBitmap::kIndex8_Config, src.width(), src.height()); 64 dst->allocPixels(ctable); 65 ctable->unref(); 66 67 SkAutoLockPixels alps(src); 68 SkAutoLockPixels alpd(*dst); 69 70 for (int y = 0; y < src.height(); y++) { 71 const SkPMColor* srcP = src.getAddr32(0, y); 72 uint8_t* dstP = dst->getAddr8(0, y); 73 for (int x = src.width() - 1; x >= 0; --x) { 74 *dstP++ = compute666Index(*srcP++); 75 } 76 } 77} 78 79class RepeatTileBench : public SkBenchmark { 80 SkPaint fPaint; 81 SkString fName; 82 enum { N = 20 }; 83public: 84 RepeatTileBench(void* param, SkBitmap::Config c) : INHERITED(param) { 85 const int w = 50; 86 const int h = 50; 87 SkBitmap bm; 88 89 if (SkBitmap::kIndex8_Config == c) { 90 bm.setConfig(SkBitmap::kARGB_8888_Config, w, h); 91 } else { 92 bm.setConfig(c, w, h); 93 } 94 bm.allocPixels(); 95 bm.eraseColor(0); 96 97 drawIntoBitmap(bm); 98 99 if (SkBitmap::kIndex8_Config == c) { 100 SkBitmap tmp; 101 convertToIndex666(bm, &tmp); 102 bm = tmp; 103 } 104 105 SkShader* s = SkShader::CreateBitmapShader(bm, 106 SkShader::kRepeat_TileMode, 107 SkShader::kRepeat_TileMode); 108 fPaint.setShader(s)->unref(); 109 fName.printf("repeatTile_%s", gConfigName[bm.config()]); 110 } 111 112protected: 113 virtual const char* onGetName() { 114 return fName.c_str(); 115 } 116 117 virtual void onDraw(SkCanvas* canvas) { 118 SkPaint paint(fPaint); 119 this->setupPaint(&paint); 120 121 for (int i = 0; i < N; i++) { 122 canvas->drawPaint(paint); 123 } 124 } 125 126private: 127 typedef SkBenchmark INHERITED; 128}; 129 130static SkBenchmark* Fact0(void* p) { return new RepeatTileBench(p, SkBitmap::kARGB_8888_Config); } 131static SkBenchmark* Fact1(void* p) { return new RepeatTileBench(p, SkBitmap::kRGB_565_Config); } 132static SkBenchmark* Fact2(void* p) { return new RepeatTileBench(p, SkBitmap::kARGB_4444_Config); } 133static SkBenchmark* Fact3(void* p) { return new RepeatTileBench(p, SkBitmap::kIndex8_Config); } 134 135static BenchRegistry gReg0(Fact0); 136static BenchRegistry gReg1(Fact1); 137static BenchRegistry gReg2(Fact2); 138static BenchRegistry gReg3(Fact3); 139