robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 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 "SkBenchmark.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkPaint.h" |
| 11 | #include "SkRandom.h" |
| 12 | #include "SkString.h" |
| 13 | |
| 14 | |
| 15 | // This bench simulates the calls Skia sees from various HTML5 canvas |
| 16 | // game bench marks |
| 17 | class GameBench : public SkBenchmark { |
| 18 | public: |
| 19 | enum Type { |
skia.committer@gmail.com | 0f20a3f | 2013-05-10 07:01:04 +0000 | [diff] [blame^] | 20 | kScale_Type, |
| 21 | kTranslate_Type, |
robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 22 | kRotate_Type |
| 23 | }; |
| 24 | |
skia.committer@gmail.com | 0f20a3f | 2013-05-10 07:01:04 +0000 | [diff] [blame^] | 25 | GameBench(void* param, Type type, bool partialClear) |
robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 26 | : INHERITED(param) |
| 27 | , fType(type) |
| 28 | , fPartialClear(partialClear) |
| 29 | , fName("game") |
| 30 | , fNumSaved(0) |
| 31 | , fInitialized(false) { |
| 32 | |
| 33 | switch (fType) { |
| 34 | case kScale_Type: |
| 35 | fName.append("_scale"); |
| 36 | break; |
| 37 | case kTranslate_Type: |
| 38 | fName.append("_trans"); |
| 39 | break; |
| 40 | case kRotate_Type: |
| 41 | fName.append("_rot"); |
| 42 | break; |
| 43 | }; |
| 44 | |
| 45 | if (partialClear) { |
| 46 | fName.append("_partial"); |
| 47 | } else { |
| 48 | fName.append("_full"); |
| 49 | } |
| 50 | |
| 51 | // It's HTML 5 canvas, so always AA |
| 52 | fName.append("_aa"); |
| 53 | } |
| 54 | |
| 55 | protected: |
| 56 | virtual const char* onGetName() SK_OVERRIDE { |
| 57 | return fName.c_str();; |
| 58 | } |
| 59 | |
| 60 | virtual void onPreDraw() SK_OVERRIDE { |
| 61 | if (!fInitialized) { |
| 62 | this->makeCheckerboard(); |
| 63 | fInitialized = true; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| 68 | static SkMWCRandom scaleRand; |
| 69 | static SkMWCRandom transRand; |
| 70 | static SkMWCRandom rotRand; |
| 71 | |
| 72 | SkPaint clearPaint; |
| 73 | clearPaint.setColor(0xFF000000); |
| 74 | clearPaint.setAntiAlias(true); |
| 75 | |
| 76 | SkISize size = canvas->getDeviceSize(); |
| 77 | |
| 78 | SkScalar maxTransX, maxTransY; |
| 79 | |
| 80 | if (kScale_Type == fType) { |
| 81 | maxTransX = size.fWidth - (1.5f * kCheckerboardWidth); |
| 82 | maxTransY = size.fHeight - (1.5f * kCheckerboardHeight); |
| 83 | } else if (kTranslate_Type == fType) { |
| 84 | maxTransX = SkIntToScalar(size.fWidth - kCheckerboardWidth); |
| 85 | maxTransY = SkIntToScalar(size.fHeight - kCheckerboardHeight); |
| 86 | } else { |
| 87 | SkASSERT(kRotate_Type == fType); |
| 88 | // Yes, some rotations will be off the top and left sides |
| 89 | maxTransX = size.fWidth - SK_ScalarSqrt2 * kCheckerboardHeight; |
| 90 | maxTransY = size.fHeight - SK_ScalarSqrt2 * kCheckerboardHeight; |
| 91 | } |
| 92 | |
| 93 | SkMatrix mat; |
| 94 | SkIRect src = { 0, 0, kCheckerboardWidth, kCheckerboardHeight }; |
| 95 | SkRect dst = { 0, 0, kCheckerboardWidth, kCheckerboardHeight }; |
skia.committer@gmail.com | 0f20a3f | 2013-05-10 07:01:04 +0000 | [diff] [blame^] | 96 | SkRect clearRect = { -1.0f, -1.0f, |
robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 97 | kCheckerboardWidth+1.0f, kCheckerboardHeight+1.0f }; |
| 98 | |
| 99 | SkPaint p; |
| 100 | p.setColor(0xFF000000); |
| 101 | p.setFilterBitmap(true); |
| 102 | |
| 103 | for (int i = 0; i < kNumRects; ++i, ++fNumSaved) { |
| 104 | |
| 105 | if (0 == i % kNumBeforeClear) { |
| 106 | if (fPartialClear) { |
| 107 | for (int j = 0; j < fNumSaved; ++j) { |
| 108 | canvas->setMatrix(SkMatrix::I()); |
| 109 | mat.setTranslate(fSaved[j][0], fSaved[j][1]); |
| 110 | |
| 111 | if (kScale_Type == fType) { |
| 112 | mat.preScale(fSaved[j][2], fSaved[j][2]); |
| 113 | } else if (kRotate_Type == fType) { |
| 114 | mat.preRotate(fSaved[j][2]); |
| 115 | } |
| 116 | |
| 117 | canvas->concat(mat); |
| 118 | canvas->drawRect(clearRect, clearPaint); |
| 119 | } |
| 120 | } else { |
| 121 | canvas->clear(0xFF000000); |
| 122 | } |
| 123 | |
| 124 | fNumSaved = 0; |
| 125 | } |
| 126 | |
| 127 | SkASSERT(fNumSaved < kNumBeforeClear); |
| 128 | |
| 129 | canvas->setMatrix(SkMatrix::I()); |
| 130 | |
| 131 | fSaved[fNumSaved][0] = transRand.nextRangeScalar(0.0f, maxTransX); |
| 132 | fSaved[fNumSaved][1] = transRand.nextRangeScalar(0.0f, maxTransY); |
| 133 | |
| 134 | mat.setTranslate(fSaved[fNumSaved][0], fSaved[fNumSaved][1]); |
| 135 | |
| 136 | if (kScale_Type == fType) { |
| 137 | fSaved[fNumSaved][2] = scaleRand.nextRangeScalar(0.5f, 1.5f); |
| 138 | mat.preScale(fSaved[fNumSaved][2], fSaved[fNumSaved][2]); |
| 139 | } else if (kRotate_Type == fType) { |
| 140 | fSaved[fNumSaved][2] = rotRand.nextRangeScalar(0.0f, 360.0f); |
| 141 | mat.preRotate(fSaved[fNumSaved][2]); |
| 142 | } |
| 143 | |
| 144 | canvas->concat(mat); |
| 145 | canvas->drawBitmapRect(fCheckerboard, &src, dst, &p); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | private: |
| 150 | static const int kCheckerboardWidth = 64; |
| 151 | static const int kCheckerboardHeight = 128; |
| 152 | #ifdef SK_DEBUG |
| 153 | static const int kNumRects = 100; |
| 154 | static const int kNumBeforeClear = 10; |
| 155 | #else |
| 156 | static const int kNumRects = 5000; |
| 157 | static const int kNumBeforeClear = 300; |
| 158 | #endif |
| 159 | |
| 160 | |
| 161 | Type fType; |
| 162 | bool fPartialClear; |
| 163 | SkString fName; |
| 164 | int fNumSaved; // num draws stored in 'fSaved' |
| 165 | bool fInitialized; |
| 166 | |
| 167 | // 0 & 1 are always x & y translate. 2 is either scale or rotate. |
| 168 | SkScalar fSaved[kNumBeforeClear][3]; |
| 169 | SkBitmap fCheckerboard; |
| 170 | |
| 171 | // Note: the resulting checker board has transparency |
| 172 | void makeCheckerboard() { |
robertphillips@google.com | 6d58ad3 | 2013-05-09 19:08:57 +0000 | [diff] [blame] | 173 | static int kCheckSize = 16; |
robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 174 | |
| 175 | fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, |
| 176 | kCheckerboardWidth, kCheckerboardHeight); |
| 177 | fCheckerboard.allocPixels(); |
| 178 | SkAutoLockPixels lock(fCheckerboard); |
robertphillips@google.com | 6d58ad3 | 2013-05-09 19:08:57 +0000 | [diff] [blame] | 179 | for (int y = 0; y < kCheckerboardHeight; ++y) { |
robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 180 | int even = (y / kCheckSize) % 2; |
| 181 | |
| 182 | SkPMColor* scanline = fCheckerboard.getAddr32(0, y); |
| 183 | |
robertphillips@google.com | 6d58ad3 | 2013-05-09 19:08:57 +0000 | [diff] [blame] | 184 | for (int x = 0; x < kCheckerboardWidth; ++x) { |
robertphillips@google.com | 6670ab9 | 2013-05-09 19:03:48 +0000 | [diff] [blame] | 185 | if (even == (x / kCheckSize) % 2) { |
| 186 | *scanline++ = 0xFFFF0000; |
| 187 | } else { |
| 188 | *scanline++ = 0x00000000; |
| 189 | } |
| 190 | } |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | typedef SkBenchmark INHERITED; |
| 195 | }; |
| 196 | |
| 197 | // Partial clear |
| 198 | DEF_BENCH( return SkNEW_ARGS(GameBench, (p, GameBench::kScale_Type, false)); ) |
| 199 | DEF_BENCH( return SkNEW_ARGS(GameBench, (p, GameBench::kTranslate_Type, false)); ) |
| 200 | DEF_BENCH( return SkNEW_ARGS(GameBench, (p, GameBench::kRotate_Type, false)); ) |
| 201 | |
| 202 | // Full clear |
| 203 | DEF_BENCH( return SkNEW_ARGS(GameBench, (p, GameBench::kScale_Type, true)); ) |
| 204 | DEF_BENCH( return SkNEW_ARGS(GameBench, (p, GameBench::kTranslate_Type, true)); ) |
| 205 | DEF_BENCH( return SkNEW_ARGS(GameBench, (p, GameBench::kRotate_Type, true)); ) |