egdaniel | 02cafcc | 2014-07-21 11:37:28 -0700 | [diff] [blame] | 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 pattern on all draws. |
| 69 | * |
| 70 | * The bench is used to test a few things. First it can test any optimizations made for a specific |
| 71 | * color pattern (for example drawing an opaque bitmap versus one with partial alpha). Also it can |
| 72 | * be used to test the cost of program switching and/or batching when alternating 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, DrawType 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: |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 111 | const char* onGetName() SK_OVERRIDE { |
egdaniel | 02cafcc | 2014-07-21 11:37:28 -0700 | [diff] [blame] | 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 | |
mtklein | 72c9faa | 2015-01-09 10:06:39 -0800 | [diff] [blame] | 149 | void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
egdaniel | 02cafcc | 2014-07-21 11:37:28 -0700 | [diff] [blame] | 150 | SkPaint paint; |
| 151 | paint.setAntiAlias(false); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 152 | paint.setFilterQuality(kLow_SkFilterQuality); |
egdaniel | 02cafcc | 2014-07-21 11:37:28 -0700 | [diff] [blame] | 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_ColorPattern, |
| 183 | kPath_DrawType)); ) |
| 184 | DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 185 | (kAlphaBitmap_ColorPattern, kAlphaBitmap_ColorPattern, |
| 186 | kPath_DrawType)); ) |
| 187 | DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 188 | (kOpaqueBitmap_ColorPattern, kAlphaBitmap_ColorPattern, |
| 189 | kPath_DrawType)); ) |
| 190 | |
| 191 | DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 192 | (kOpaqueBitmap_ColorPattern, kOpaqueBitmap_ColorPattern, |
| 193 | kRect_DrawType)); ) |
| 194 | DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 195 | (kAlphaBitmap_ColorPattern, kAlphaBitmap_ColorPattern, |
| 196 | kRect_DrawType)); ) |
| 197 | DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench, |
| 198 | (kOpaqueBitmap_ColorPattern, kAlphaBitmap_ColorPattern, |
| 199 | kRect_DrawType)); ) |
| 200 | |