Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 1 | /* |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 2 | * Copyright (C) 2013 The Android Open Source Project |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.renderscript; |
| 18 | |
Stephen Hines | 9c9ad3f8c2 | 2012-05-07 15:34:29 -0700 | [diff] [blame] | 19 | /** |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 20 | * Vector version of the basic int type. |
| 21 | * Provides four int fields packed. |
| 22 | */ |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 23 | public class Int4 { |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 24 | public int x; |
| 25 | public int y; |
| 26 | public int z; |
| 27 | public int w; |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 28 | |
| 29 | public Int4() { |
| 30 | } |
| 31 | |
| 32 | /** @hide */ |
| 33 | public Int4(int i) { |
| 34 | this.x = this.y = this.z = this.w = i; |
| 35 | } |
| 36 | |
| 37 | public Int4(int x, int y, int z, int w) { |
| 38 | this.x = x; |
| 39 | this.y = y; |
| 40 | this.z = z; |
| 41 | this.w = w; |
| 42 | } |
| 43 | |
| 44 | /** @hide */ |
| 45 | public Int4(Int4 source) { |
| 46 | this.x = source.x; |
| 47 | this.y = source.y; |
| 48 | this.z = source.z; |
| 49 | this.w = source.w; |
| 50 | } |
| 51 | |
| 52 | /** @hide |
| 53 | * Vector add |
| 54 | * |
| 55 | * @param a |
| 56 | */ |
| 57 | public void add(Int4 a) { |
| 58 | this.x += a.x; |
| 59 | this.y += a.y; |
| 60 | this.z += a.z; |
| 61 | this.w += a.w; |
| 62 | } |
| 63 | |
| 64 | /** @hide |
| 65 | * Vector add |
| 66 | * |
| 67 | * @param a |
| 68 | * @param b |
| 69 | * @return |
| 70 | */ |
| 71 | public static Int4 add(Int4 a, Int4 b) { |
| 72 | Int4 result = new Int4(); |
| 73 | result.x = a.x + b.x; |
| 74 | result.y = a.y + b.y; |
| 75 | result.z = a.z + b.z; |
| 76 | result.w = a.w + b.w; |
| 77 | |
| 78 | return result; |
| 79 | } |
| 80 | |
| 81 | /** @hide |
| 82 | * Vector add |
| 83 | * |
| 84 | * @param value |
| 85 | */ |
| 86 | public void add(int value) { |
| 87 | x += value; |
| 88 | y += value; |
| 89 | z += value; |
| 90 | w += value; |
| 91 | } |
| 92 | |
| 93 | /** @hide |
| 94 | * Vector add |
| 95 | * |
| 96 | * @param a |
| 97 | * @param b |
| 98 | * @return |
| 99 | */ |
| 100 | public static Int4 add(Int4 a, int b) { |
| 101 | Int4 result = new Int4(); |
| 102 | result.x = a.x + b; |
| 103 | result.y = a.y + b; |
| 104 | result.z = a.z + b; |
| 105 | result.w = a.w + b; |
| 106 | |
| 107 | return result; |
| 108 | } |
| 109 | |
| 110 | /** @hide |
| 111 | * Vector subtraction |
| 112 | * |
| 113 | * @param a |
| 114 | */ |
| 115 | public void sub(Int4 a) { |
| 116 | this.x -= a.x; |
| 117 | this.y -= a.y; |
| 118 | this.z -= a.z; |
| 119 | this.w -= a.w; |
| 120 | } |
| 121 | |
| 122 | /** @hide |
| 123 | * Vector subtraction |
| 124 | * |
| 125 | * @param a |
| 126 | * @param b |
| 127 | * @return |
| 128 | */ |
| 129 | public static Int4 sub(Int4 a, Int4 b) { |
| 130 | Int4 result = new Int4(); |
| 131 | result.x = a.x - b.x; |
| 132 | result.y = a.y - b.y; |
| 133 | result.z = a.z - b.z; |
| 134 | result.w = a.w - b.w; |
| 135 | |
| 136 | return result; |
| 137 | } |
| 138 | |
| 139 | /** @hide |
| 140 | * Vector subtraction |
| 141 | * |
| 142 | * @param value |
| 143 | */ |
| 144 | public void sub(int value) { |
| 145 | x -= value; |
| 146 | y -= value; |
| 147 | z -= value; |
| 148 | w -= value; |
| 149 | } |
| 150 | |
| 151 | /** @hide |
| 152 | * Vector subtraction |
| 153 | * |
| 154 | * @param a |
| 155 | * @param b |
| 156 | * @return |
| 157 | */ |
| 158 | public static Int4 sub(Int4 a, int b) { |
| 159 | Int4 result = new Int4(); |
| 160 | result.x = a.x - b; |
| 161 | result.y = a.y - b; |
| 162 | result.z = a.z - b; |
| 163 | result.w = a.w - b; |
| 164 | |
| 165 | return result; |
| 166 | } |
| 167 | |
| 168 | /** @hide |
| 169 | * Vector multiplication |
| 170 | * |
| 171 | * @param a |
| 172 | */ |
| 173 | public void mul(Int4 a) { |
| 174 | this.x *= a.x; |
| 175 | this.y *= a.y; |
| 176 | this.z *= a.z; |
| 177 | this.w *= a.w; |
| 178 | } |
| 179 | |
| 180 | /** @hide |
| 181 | * Vector multiplication |
| 182 | * |
| 183 | * @param a |
| 184 | * @param b |
| 185 | * @return |
| 186 | */ |
| 187 | public static Int4 mul(Int4 a, Int4 b) { |
| 188 | Int4 result = new Int4(); |
| 189 | result.x = a.x * b.x; |
| 190 | result.y = a.y * b.y; |
| 191 | result.z = a.z * b.z; |
| 192 | result.w = a.w * b.w; |
| 193 | |
| 194 | return result; |
| 195 | } |
| 196 | |
| 197 | /** @hide |
| 198 | * Vector multiplication |
| 199 | * |
| 200 | * @param value |
| 201 | */ |
| 202 | public void mul(int value) { |
| 203 | x *= value; |
| 204 | y *= value; |
| 205 | z *= value; |
| 206 | w *= value; |
| 207 | } |
| 208 | |
| 209 | /** @hide |
| 210 | * Vector multiplication |
| 211 | * |
| 212 | * @param a |
| 213 | * @param b |
| 214 | * @return |
| 215 | */ |
| 216 | public static Int4 mul(Int4 a, int b) { |
| 217 | Int4 result = new Int4(); |
| 218 | result.x = a.x * b; |
| 219 | result.y = a.y * b; |
| 220 | result.z = a.z * b; |
| 221 | result.w = a.w * b; |
| 222 | |
| 223 | return result; |
| 224 | } |
| 225 | |
| 226 | /** @hide |
| 227 | * Vector division |
| 228 | * |
| 229 | * @param a |
| 230 | */ |
| 231 | public void div(Int4 a) { |
| 232 | this.x /= a.x; |
| 233 | this.y /= a.y; |
| 234 | this.z /= a.z; |
| 235 | this.w /= a.w; |
| 236 | } |
| 237 | |
| 238 | /** @hide |
| 239 | * Vector division |
| 240 | * |
| 241 | * @param a |
| 242 | * @param b |
| 243 | * @return |
| 244 | */ |
| 245 | public static Int4 div(Int4 a, Int4 b) { |
| 246 | Int4 result = new Int4(); |
| 247 | result.x = a.x / b.x; |
| 248 | result.y = a.y / b.y; |
| 249 | result.z = a.z / b.z; |
| 250 | result.w = a.w / b.w; |
| 251 | |
| 252 | return result; |
| 253 | } |
| 254 | |
| 255 | /** @hide |
| 256 | * Vector division |
| 257 | * |
| 258 | * @param value |
| 259 | */ |
| 260 | public void div(int value) { |
| 261 | x /= value; |
| 262 | y /= value; |
| 263 | z /= value; |
| 264 | w /= value; |
| 265 | } |
| 266 | |
| 267 | /** @hide |
| 268 | * Vector division |
| 269 | * |
| 270 | * @param a |
| 271 | * @param b |
| 272 | * @return |
| 273 | */ |
| 274 | public static Int4 div(Int4 a, int b) { |
| 275 | Int4 result = new Int4(); |
| 276 | result.x = a.x / b; |
| 277 | result.y = a.y / b; |
| 278 | result.z = a.z / b; |
| 279 | result.w = a.w / b; |
| 280 | |
| 281 | return result; |
| 282 | } |
| 283 | |
| 284 | /** @hide |
| 285 | * Vector Modulo |
| 286 | * |
| 287 | * @param a |
| 288 | */ |
| 289 | public void mod(Int4 a) { |
| 290 | this.x %= a.x; |
| 291 | this.y %= a.y; |
| 292 | this.z %= a.z; |
| 293 | this.w %= a.w; |
| 294 | } |
| 295 | |
| 296 | /** @hide |
| 297 | * Vector Modulo |
| 298 | * |
| 299 | * @param a |
| 300 | * @param b |
| 301 | * @return |
| 302 | */ |
| 303 | public static Int4 mod(Int4 a, Int4 b) { |
| 304 | Int4 result = new Int4(); |
| 305 | result.x = a.x % b.x; |
| 306 | result.y = a.y % b.y; |
| 307 | result.z = a.z % b.z; |
| 308 | result.w = a.w % b.w; |
| 309 | |
| 310 | return result; |
| 311 | } |
| 312 | |
| 313 | /** @hide |
| 314 | * Vector Modulo |
| 315 | * |
| 316 | * @param value |
| 317 | */ |
| 318 | public void mod(int value) { |
| 319 | x %= value; |
| 320 | y %= value; |
| 321 | z %= value; |
| 322 | w %= value; |
| 323 | } |
| 324 | |
| 325 | /** @hide |
| 326 | * Vector Modulo |
| 327 | * |
| 328 | * @param a |
| 329 | * @param b |
| 330 | * @return |
| 331 | */ |
| 332 | public static Int4 mod(Int4 a, int b) { |
| 333 | Int4 result = new Int4(); |
| 334 | result.x = a.x % b; |
| 335 | result.y = a.y % b; |
| 336 | result.z = a.z % b; |
| 337 | result.w = a.w % b; |
| 338 | |
| 339 | return result; |
| 340 | } |
| 341 | |
| 342 | /** @hide |
| 343 | * get vector length |
| 344 | * |
| 345 | * @return |
| 346 | */ |
| 347 | public int length() { |
| 348 | return 4; |
| 349 | } |
| 350 | |
| 351 | /** @hide |
| 352 | * set vector negate |
| 353 | */ |
| 354 | public void negate() { |
| 355 | this.x = -x; |
| 356 | this.y = -y; |
| 357 | this.z = -z; |
| 358 | this.w = -w; |
| 359 | } |
| 360 | |
| 361 | /** @hide |
| 362 | * Vector dot Product |
| 363 | * |
| 364 | * @param a |
| 365 | * @return |
| 366 | */ |
| 367 | public int dotProduct(Int4 a) { |
| 368 | return (int)((x * a.x) + (y * a.y) + (z * a.z) + (w * a.w)); |
| 369 | } |
| 370 | |
| 371 | /** @hide |
| 372 | * Vector dot Product |
| 373 | * |
| 374 | * @param a |
| 375 | * @param b |
| 376 | * @return |
| 377 | */ |
| 378 | public static int dotProduct(Int4 a, Int4 b) { |
| 379 | return (int)((b.x * a.x) + (b.y * a.y) + (b.z * a.z) + (b.w * a.w)); |
| 380 | } |
| 381 | |
| 382 | /** @hide |
| 383 | * Vector add Multiple |
| 384 | * |
| 385 | * @param a |
| 386 | * @param factor |
| 387 | */ |
| 388 | public void addMultiple(Int4 a, int factor) { |
| 389 | x += a.x * factor; |
| 390 | y += a.y * factor; |
| 391 | z += a.z * factor; |
| 392 | w += a.w * factor; |
| 393 | } |
| 394 | |
| 395 | /** @hide |
| 396 | * set vector value by Int4 |
| 397 | * |
| 398 | * @param a |
| 399 | */ |
| 400 | public void set(Int4 a) { |
| 401 | this.x = a.x; |
| 402 | this.y = a.y; |
| 403 | this.z = a.z; |
| 404 | this.w = a.w; |
| 405 | } |
| 406 | |
| 407 | /** @hide |
| 408 | * set the vector field value by Int |
| 409 | * |
| 410 | * @param a |
| 411 | * @param b |
| 412 | * @param c |
| 413 | * @param d |
| 414 | */ |
| 415 | public void setValues(int a, int b, int c, int d) { |
| 416 | this.x = a; |
| 417 | this.y = b; |
| 418 | this.z = c; |
| 419 | this.w = d; |
| 420 | } |
| 421 | |
| 422 | /** @hide |
| 423 | * return the element sum of vector |
| 424 | * |
| 425 | * @return |
| 426 | */ |
| 427 | public int elementSum() { |
| 428 | return (int)(x + y + z + w); |
| 429 | } |
| 430 | |
| 431 | /** @hide |
| 432 | * get the vector field value by index |
| 433 | * |
| 434 | * @param i |
| 435 | * @return |
| 436 | */ |
| 437 | public int get(int i) { |
| 438 | switch (i) { |
| 439 | case 0: |
| 440 | return (int)(x); |
| 441 | case 1: |
| 442 | return (int)(y); |
| 443 | case 2: |
| 444 | return (int)(z); |
| 445 | case 3: |
| 446 | return (int)(w); |
| 447 | default: |
| 448 | throw new IndexOutOfBoundsException("Index: i"); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | /** @hide |
| 453 | * set the vector field value by index |
| 454 | * |
| 455 | * @param i |
| 456 | * @param value |
| 457 | */ |
| 458 | public void setAt(int i, int value) { |
| 459 | switch (i) { |
| 460 | case 0: |
| 461 | x = value; |
| 462 | return; |
| 463 | case 1: |
| 464 | y = value; |
| 465 | return; |
| 466 | case 2: |
| 467 | z = value; |
| 468 | return; |
| 469 | case 3: |
| 470 | w = value; |
| 471 | return; |
| 472 | default: |
| 473 | throw new IndexOutOfBoundsException("Index: i"); |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | /** @hide |
| 478 | * add the vector field value by index |
| 479 | * |
| 480 | * @param i |
| 481 | * @param value |
| 482 | */ |
| 483 | public void addAt(int i, int value) { |
| 484 | switch (i) { |
| 485 | case 0: |
| 486 | x += value; |
| 487 | return; |
| 488 | case 1: |
| 489 | y += value; |
| 490 | return; |
| 491 | case 2: |
| 492 | z += value; |
| 493 | return; |
| 494 | case 3: |
| 495 | w += value; |
| 496 | return; |
| 497 | default: |
| 498 | throw new IndexOutOfBoundsException("Index: i"); |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | /** @hide |
| 503 | * copy the vector to int array |
| 504 | * |
| 505 | * @param data |
| 506 | * @param offset |
| 507 | */ |
| 508 | public void copyTo(int[] data, int offset) { |
| 509 | data[offset] = (int)(x); |
| 510 | data[offset + 1] = (int)(y); |
| 511 | data[offset + 2] = (int)(z); |
| 512 | data[offset + 3] = (int)(w); |
| 513 | } |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 514 | } |