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 "Benchmark.h" 9 #include "SkMatrix44.h" 10 #include "SkRandom.h" 11 #include "SkString.h" 12 13 class Matrix44Bench : public Benchmark { 14 SkString fName; 15 public: 16 Matrix44Bench(const char name[]) { 17 fName.printf("matrix44_%s", name); 18 } 19 20 bool isSuitableFor(Backend backend) override { 21 return backend == kNonRendering_Backend; 22 } 23 24 virtual void performTest() = 0; 25 26 protected: 27 virtual int mulLoopCount() const { return 1; } 28 29 const char* onGetName() override { 30 return fName.c_str(); 31 } 32 33 void onDraw(int loops, SkCanvas*) override { 34 for (int i = 0; i < loops; i++) { 35 this->performTest(); 36 } 37 } 38 39 private: 40 typedef Benchmark INHERITED; 41 }; 42 43 class EqualsMatrix44Bench : public Matrix44Bench { 44 public: 45 EqualsMatrix44Bench() 46 : INHERITED("equals") 47 , fM0(SkMatrix44::kIdentity_Constructor) 48 , fM1(SkMatrix44::kIdentity_Constructor) 49 , fM2(SkMatrix44::kIdentity_Constructor) 50 { 51 fM1.set(0, 0, 0); 52 fM2.set(3, 3, 0); 53 } 54 protected: 55 void performTest() override { 56 for (int i = 0; i < 10; ++i) { 57 (void) (fM0 == fM1); 58 (void) (fM1 == fM2); 59 (void) (fM2 == fM0); 60 } 61 } 62 private: 63 SkMatrix44 fM0, fM1, fM2; 64 typedef Matrix44Bench INHERITED; 65 }; 66 67 class SetIdentityMatrix44Bench : public Matrix44Bench { 68 public: 69 SetIdentityMatrix44Bench() 70 : INHERITED("setidentity") 71 , mat(SkMatrix44::kIdentity_Constructor) 72 { 73 double rowMajor[16] = 74 { 1, 2, 3, 4, 75 5, 6, 7, 8, 76 9, 10, 11, 12, 77 13, 14, 15, 16}; 78 mat.setRowMajord(rowMajor); 79 } 80 protected: 81 void performTest() override { 82 for (int i = 0; i < 10; ++i) { 83 mat.setIdentity(); 84 } 85 } 86 private: 87 SkMatrix44 mat; 88 typedef Matrix44Bench INHERITED; 89 }; 90 91 class PreScaleMatrix44Bench : public Matrix44Bench { 92 public: 93 PreScaleMatrix44Bench() 94 : INHERITED("prescale") 95 , fM0(SkMatrix44::kUninitialized_Constructor) 96 { 97 fX = fY = fZ = SkDoubleToMScalar(1.5); 98 } 99 protected: 100 void performTest() override { 101 fM0.reset(); 102 for (int i = 0; i < 10; ++i) { 103 fM0.preScale(fX, fY, fZ); 104 } 105 } 106 private: 107 SkMatrix44 fM0; 108 SkMScalar fX, fY, fZ; 109 typedef Matrix44Bench INHERITED; 110 }; 111 112 class InvertMatrix44Bench : public Matrix44Bench { 113 public: 114 InvertMatrix44Bench() 115 : INHERITED("invert") 116 , fM0(SkMatrix44::kUninitialized_Constructor) 117 , fM1(SkMatrix44::kUninitialized_Constructor) 118 { 119 fM0.setDouble(0, 0, -1.1); 120 fM0.setDouble(0, 1, 2.1); 121 fM0.setDouble(0, 2, -3.1); 122 fM0.setDouble(0, 3, 4.1); 123 fM0.setDouble(1, 0, 5.1); 124 fM0.setDouble(1, 1, -6.1); 125 fM0.setDouble(1, 2, 7.1); 126 fM0.setDouble(1, 3, 8.1); 127 fM0.setDouble(2, 0, -9.1); 128 fM0.setDouble(2, 1, 10.1); 129 fM0.setDouble(2, 2, 11.1); 130 fM0.setDouble(2, 3, -12.1); 131 fM0.setDouble(3, 0, -13.1); 132 fM0.setDouble(3, 1, 14.1); 133 fM0.setDouble(3, 2, -15.1); 134 fM0.setDouble(3, 3, 16.1); 135 } 136 protected: 137 void performTest() override { 138 for (int i = 0; i < 10; ++i) { 139 fM0.invert(&fM1); 140 } 141 } 142 private: 143 SkMatrix44 fM0, fM1; 144 typedef Matrix44Bench INHERITED; 145 }; 146 147 class InvertAffineMatrix44Bench : public Matrix44Bench { 148 public: 149 InvertAffineMatrix44Bench() 150 : INHERITED("invertaffine") 151 , fM0(SkMatrix44::kIdentity_Constructor) 152 , fM1(SkMatrix44::kUninitialized_Constructor) 153 { 154 fM0.setDouble(0, 0, -1.1); 155 fM0.setDouble(0, 1, 2.1); 156 fM0.setDouble(0, 2, -3.1); 157 fM0.setDouble(0, 3, 4.1); 158 fM0.setDouble(1, 0, 5.1); 159 fM0.setDouble(1, 1, -6.1); 160 fM0.setDouble(1, 2, 7.1); 161 fM0.setDouble(1, 3, 8.1); 162 fM0.setDouble(2, 0, -9.1); 163 fM0.setDouble(2, 1, 10.1); 164 fM0.setDouble(2, 2, 11.1); 165 fM0.setDouble(2, 3, -12.1); 166 // bottom row (perspective component) remains (0, 0, 0, 1). 167 } 168 protected: 169 void performTest() override { 170 for (int i = 0; i < 10; ++i) { 171 fM0.invert(&fM1); 172 } 173 } 174 private: 175 SkMatrix44 fM0, fM1; 176 typedef Matrix44Bench INHERITED; 177 }; 178 179 class InvertScaleTranslateMatrix44Bench : public Matrix44Bench { 180 public: 181 InvertScaleTranslateMatrix44Bench() 182 : INHERITED("invertscaletranslate") 183 , fM0(SkMatrix44::kIdentity_Constructor) 184 , fM1(SkMatrix44::kUninitialized_Constructor) 185 { 186 fM0.setDouble(0, 0, -1.1); 187 fM0.setDouble(0, 3, 4.1); 188 189 fM0.setDouble(1, 1, -6.1); 190 fM0.setDouble(1, 3, 8.1); 191 192 fM0.setDouble(2, 2, 11.1); 193 fM0.setDouble(2, 3, -12.1); 194 } 195 protected: 196 void performTest() override { 197 for (int i = 0; i < 10; ++i) { 198 fM0.invert(&fM1); 199 } 200 } 201 private: 202 SkMatrix44 fM0, fM1; 203 typedef Matrix44Bench INHERITED; 204 }; 205 206 class InvertTranslateMatrix44Bench : public Matrix44Bench { 207 public: 208 InvertTranslateMatrix44Bench() 209 : INHERITED("inverttranslate") 210 , fM0(SkMatrix44::kIdentity_Constructor) 211 , fM1(SkMatrix44::kUninitialized_Constructor) 212 { 213 fM0.setDouble(0, 3, 4.1); 214 fM0.setDouble(1, 3, 8.1); 215 fM0.setDouble(2, 3, -12.1); 216 } 217 protected: 218 void performTest() override { 219 for (int i = 0; i < 10; ++i) { 220 fM0.invert(&fM1); 221 } 222 } 223 private: 224 SkMatrix44 fM0, fM1; 225 typedef Matrix44Bench INHERITED; 226 }; 227 228 class PostScaleMatrix44Bench : public Matrix44Bench { 229 public: 230 PostScaleMatrix44Bench() 231 : INHERITED("postscale") 232 , fM0(SkMatrix44::kUninitialized_Constructor) 233 { 234 fX = fY = fZ = SkDoubleToMScalar(1.5); 235 } 236 protected: 237 void performTest() override { 238 fM0.reset(); 239 for (int i = 0; i < 10; ++i) { 240 fM0.postScale(fX, fY, fZ); 241 } 242 } 243 private: 244 SkMatrix44 fM0; 245 SkMScalar fX, fY, fZ; 246 typedef Matrix44Bench INHERITED; 247 }; 248 249 class SetConcatMatrix44Bench : public Matrix44Bench { 250 public: 251 // SkMatrix44::setConcat() has a fast path for matrices that are at most scale+translate. 252 SetConcatMatrix44Bench(bool fastPath) 253 : INHERITED(fastPath ? "setconcat_fast" : "setconcat_general") 254 , fM0(SkMatrix44::kUninitialized_Constructor) 255 , fM1(SkMatrix44::kUninitialized_Constructor) 256 , fM2(SkMatrix44::kUninitialized_Constructor) 257 { 258 if (fastPath) { 259 const SkMScalar v = SkDoubleToMScalar(1.5); 260 fM1.setScale(v,v,v); 261 fM2.setTranslate(v,v,v); 262 } else { 263 SkRandom rand; 264 for (int x = 0; x < 4; x++) { 265 for (int y = 0; y < 4; y++) { 266 fM1.setFloat(x,y, rand.nextF()); 267 fM2.setFloat(x,y, rand.nextF()); 268 }} 269 } 270 } 271 protected: 272 void performTest() override { 273 fM0.reset(); // just to normalize this test with prescale/postscale 274 for (int i = 0; i < 10000; ++i) { 275 fM0.setConcat(fM1, fM2); 276 } 277 } 278 private: 279 SkMatrix44 fM0, fM1, fM2; 280 typedef Matrix44Bench INHERITED; 281 }; 282 283 class GetTypeMatrix44Bench : public Matrix44Bench { 284 public: 285 GetTypeMatrix44Bench() 286 : INHERITED("gettype") 287 , fMatrix(SkMatrix44::kIdentity_Constructor) 288 {} 289 protected: 290 // Putting random generation of the matrix inside performTest() 291 // would help us avoid anomalous runs, but takes up 25% or 292 // more of the function time. 293 void performTest() override { 294 for (int i = 0; i < 20; ++i) { 295 fMatrix.set(1, 2, 1); // to invalidate the type-cache 296 fMatrix.getType(); 297 } 298 } 299 private: 300 SkMatrix44 fMatrix; 301 typedef Matrix44Bench INHERITED; 302 }; 303 304 DEF_BENCH( return new SetIdentityMatrix44Bench(); ) 305 DEF_BENCH( return new EqualsMatrix44Bench(); ) 306 DEF_BENCH( return new PreScaleMatrix44Bench(); ) 307 DEF_BENCH( return new PostScaleMatrix44Bench(); ) 308 DEF_BENCH( return new InvertMatrix44Bench(); ) 309 DEF_BENCH( return new InvertAffineMatrix44Bench(); ) 310 DEF_BENCH( return new InvertScaleTranslateMatrix44Bench(); ) 311 DEF_BENCH( return new InvertTranslateMatrix44Bench(); ) 312 DEF_BENCH( return new SetConcatMatrix44Bench(true); ) 313 DEF_BENCH( return new SetConcatMatrix44Bench(false); ) 314 DEF_BENCH( return new GetTypeMatrix44Bench(); ) 315
