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| 1 /* |
| 2 * Copyright 2014 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 "SkCanvas.h" |
| 10 #include "SkGradientShader.h" |
| 11 #include "SkPaint.h" |
| 12 #include "SkString.h" |
| 13 |
| 14 enum ColorPattern { |
| 15 kWhite_ColorPattern, |
| 16 kBlue_ColorPattern, |
| 17 kOpaqueBitmap_ColorPattern, |
| 18 kAlphaBitmap_ColorPattern, |
| 19 }; |
| 20 |
| 21 static const struct ColorPatternData{ |
| 22 SkColor fColor; |
| 23 bool fIsBitmap; |
| 24 const char* fName; |
| 25 } gColorPatterns[] = { |
| 26 // Keep this in same order as ColorPattern enum |
| 27 { SK_ColorWHITE, false, "white" }, // kWhite_ColorPattern |
| 28 { SK_ColorBLUE, false, "blue" }, // kBlue_ColorPattern |
| 29 { SK_ColorWHITE, true, "obaqueBitMap" }, // kOpaqueBitmap_ColorPattern |
| 30 { 0x10000000, true, "alphaBitmap" }, // kAlphaBitmap_ColorPattern |
| 31 }; |
| 32 |
| 33 enum DrawType { |
| 34 kRect_DrawType, |
| 35 kPath_DrawType, |
| 36 }; |
| 37 |
| 38 static void makebm(SkBitmap* bm, int w, int h) { |
| 39 bm->allocN32Pixels(w, h); |
| 40 bm->eraseColor(SK_ColorTRANSPARENT); |
| 41 |
| 42 SkCanvas canvas(*bm); |
| 43 SkScalar s = SkIntToScalar(SkMin32(w, h)); |
| 44 static const SkPoint kPts0[] = { { 0, 0 }, { s, s } }; |
| 45 static const SkPoint kPts1[] = { { s/2, 0 }, { s/2, s } }; |
| 46 static const SkScalar kPos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; |
| 47 static const SkColor kColors0[] = {0x80F00080, 0xF0F08000, 0x800080F0 }; |
| 48 static const SkColor kColors1[] = {0xF08000F0, 0x8080F000, 0xF000F080 }; |
| 49 |
| 50 |
| 51 SkPaint paint; |
| 52 |
| 53 paint.setShader(SkGradientShader::CreateLinear(kPts0, kColors0, kPos, |
| 54 SK_ARRAY_COUNT(kColors0), SkShader::kClamp_TileMode))->unref
(); |
| 55 canvas.drawPaint(paint); |
| 56 paint.setShader(SkGradientShader::CreateLinear(kPts1, kColors1, kPos, |
| 57 SK_ARRAY_COUNT(kColors1), SkShader::kClamp_TileMode))->unref
(); |
| 58 canvas.drawPaint(paint); |
| 59 } |
| 60 |
| 61 /** |
| 62 * This bench draws a grid of either rects or filled paths, with two alternating
color patterns. |
| 63 * This color patterns are passed in as enums to the class. The options are: |
| 64 * 1) solid white color |
| 65 * 2) solid blue color |
| 66 * 3) opaque bitmap |
| 67 * 4) partial alpha bitmap |
| 68 * The same color pattern can be set for both arguments to create a uniform patt
ern on all draws. |
| 69 * |
| 70 * The bench is used to test a few things. First it can test any optimizations m
ade for a specific |
| 71 * color pattern (for example drawing an opaque bitmap versus one with partial a
lpha). Also it can |
| 72 * be used to test the cost of program switching and/or batching when alternatin
g between different |
| 73 * patterns when on the gpu. |
| 74 */ |
| 75 class AlternatingColorPatternBench : public Benchmark { |
| 76 public: |
| 77 enum { |
| 78 NX = 5, |
| 79 NY = 5, |
| 80 NUM_DRAWS = NX * NY, |
| 81 }; |
| 82 SkShader* fBmShader; |
| 83 |
| 84 SkPath fPaths[NUM_DRAWS]; |
| 85 SkRect fRects[NUM_DRAWS]; |
| 86 SkColor fColors[NUM_DRAWS]; |
| 87 SkShader* fShaders[NUM_DRAWS]; |
| 88 |
| 89 SkString fName; |
| 90 ColorPatternData fPattern1; |
| 91 ColorPatternData fPattern2; |
| 92 DrawType fDrawType; |
| 93 SkBitmap fBmp; |
| 94 |
| 95 |
| 96 AlternatingColorPatternBench(ColorPattern pattern1, ColorPattern pattern2, D
rawType drawType) |
| 97 : fBmShader(NULL) { |
| 98 fPattern1 = gColorPatterns[pattern1]; |
| 99 fPattern2 = gColorPatterns[pattern2]; |
| 100 fName.printf("colorPattern_%s_%s_%s", |
| 101 fPattern1.fName, fPattern2.fName, |
| 102 kRect_DrawType == drawType ? "rect" : "path"); |
| 103 fDrawType = drawType; |
| 104 } |
| 105 |
| 106 virtual ~AlternatingColorPatternBench() { |
| 107 SkSafeUnref(fBmShader); |
| 108 } |
| 109 |
| 110 protected: |
| 111 virtual const char* onGetName() SK_OVERRIDE { |
| 112 return fName.c_str(); |
| 113 } |
| 114 |
| 115 virtual void onPreDraw() { |
| 116 int w = 40; |
| 117 int h = 40; |
| 118 makebm(&fBmp, w, h); |
| 119 fBmShader = SkShader::CreateBitmapShader(fBmp, |
| 120 SkShader::kRepeat_TileMode, |
| 121 SkShader::kRepeat_TileMode); |
| 122 int offset = 2; |
| 123 int count = 0; |
| 124 for (int j = 0; j < NY; ++j) { |
| 125 for (int i = 0; i < NX; ++i) { |
| 126 int x = (w + offset) * i; |
| 127 int y = (h * offset) * j; |
| 128 if (kRect_DrawType == fDrawType) { |
| 129 fRects[count].set(SkIntToScalar(x), SkIntToScalar(y), |
| 130 SkIntToScalar(x + w), SkIntToScalar(y + h)
); |
| 131 } else { |
| 132 fPaths[count].moveTo(SkIntToScalar(x), SkIntToScalar(y)); |
| 133 fPaths[count].rLineTo(SkIntToScalar(w), 0); |
| 134 fPaths[count].rLineTo(0, SkIntToScalar(h)); |
| 135 fPaths[count].rLineTo(SkIntToScalar(-w + 1), 0); |
| 136 } |
| 137 if (0 == count % 2) { |
| 138 fColors[count] = fPattern1.fColor; |
| 139 fShaders[count] = fPattern1.fIsBitmap ? fBmShader : NULL; |
| 140 } else { |
| 141 fColors[count] = fPattern2.fColor; |
| 142 fShaders[count] = fPattern2.fIsBitmap ? fBmShader : NULL; |
| 143 } |
| 144 ++count; |
| 145 } |
| 146 } |
| 147 } |
| 148 |
| 149 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| 150 SkPaint paint; |
| 151 paint.setAntiAlias(false); |
| 152 paint.setFilterLevel(SkPaint::kLow_FilterLevel); |
| 153 |
| 154 for (int i = 0; i < loops; ++i) { |
| 155 for (int j = 0; j < NUM_DRAWS; ++j) { |
| 156 paint.setColor(fColors[j]); |
| 157 paint.setShader(fShaders[j]); |
| 158 if (kRect_DrawType == fDrawType) { |
| 159 canvas->drawRect(fRects[j], paint); |
| 160 } else { |
| 161 canvas->drawPath(fPaths[j], paint); |
| 162 } |
| 163 } |
| 164 } |
| 165 } |
| 166 |
| 167 private: |
| 168 typedef Benchmark INHERITED; |
| 169 }; |
| 170 |
| 171 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 172 (kWhite_ColorPattern, kWhite_ColorPattern, |
| 173 kPath_DrawType)); ) |
| 174 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 175 (kBlue_ColorPattern, kBlue_ColorPattern, |
| 176 kPath_DrawType)); ) |
| 177 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 178 (kWhite_ColorPattern, kBlue_ColorPattern, |
| 179 kPath_DrawType)); ) |
| 180 |
| 181 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 182 (kOpaqueBitmap_ColorPattern, kOpaqueBitmap_ColorPat
tern, |
| 183 kPath_DrawType)); ) |
| 184 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 185 (kAlphaBitmap_ColorPattern, kAlphaBitmap_ColorPatte
rn, |
| 186 kPath_DrawType)); ) |
| 187 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 188 (kOpaqueBitmap_ColorPattern, kAlphaBitmap_ColorPatt
ern, |
| 189 kPath_DrawType)); ) |
| 190 |
| 191 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 192 (kOpaqueBitmap_ColorPattern, kOpaqueBitmap_ColorPat
tern, |
| 193 kRect_DrawType)); ) |
| 194 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 195 (kAlphaBitmap_ColorPattern, kAlphaBitmap_ColorPatte
rn, |
| 196 kRect_DrawType)); ) |
| 197 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 198 (kOpaqueBitmap_ColorPattern, kAlphaBitmap_ColorPatt
ern, |
| 199 kRect_DrawType)); ) |
| 200 |
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