Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 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 | |
| 19 | import java.lang.Math; |
| 20 | import android.util.Log; |
| 21 | |
| 22 | |
Stephen Hines | 9c9ad3f8c2 | 2012-05-07 15:34:29 -0700 | [diff] [blame] | 23 | /** |
Tim Murray | c11e25c | 2013-04-09 11:01:01 -0700 | [diff] [blame] | 24 | * Class for exposing the native RenderScript byte4 type back to the Android system. |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 25 | * |
| 26 | **/ |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 27 | public class Byte4 { |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 28 | public byte x; |
| 29 | public byte y; |
| 30 | public byte z; |
| 31 | public byte w; |
| 32 | |
Jason Sams | a70f416 | 2010-03-26 15:33:42 -0700 | [diff] [blame] | 33 | public Byte4() { |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 34 | } |
| 35 | |
Jason Sams | 6cc888e | 2011-04-22 17:05:25 -0700 | [diff] [blame] | 36 | public Byte4(byte initX, byte initY, byte initZ, byte initW) { |
| 37 | x = initX; |
| 38 | y = initY; |
| 39 | z = initZ; |
| 40 | w = initW; |
| 41 | } |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 42 | /** @hide */ |
| 43 | public Byte4(Byte4 source) { |
| 44 | this.x = source.x; |
| 45 | this.y = source.y; |
| 46 | this.z = source.z; |
| 47 | this.w = source.w; |
| 48 | } |
Jason Sams | 6cc888e | 2011-04-22 17:05:25 -0700 | [diff] [blame] | 49 | |
Matthieu Delahaye | 6a5875c | 2013-09-10 15:11:35 -0500 | [diff] [blame] | 50 | /** @hide |
| 51 | * Vector add |
| 52 | * |
| 53 | * @param a |
| 54 | */ |
| 55 | public void add(Byte4 a) { |
| 56 | this.x += a.x; |
| 57 | this.y += a.y; |
| 58 | this.z += a.z; |
| 59 | this.w += a.w; |
| 60 | } |
| 61 | |
| 62 | /** @hide |
| 63 | * Vector add |
| 64 | * |
| 65 | * @param a |
| 66 | * @param b |
| 67 | * @return |
| 68 | */ |
| 69 | public static Byte4 add(Byte4 a, Byte4 b) { |
| 70 | Byte4 result = new Byte4(); |
| 71 | result.x = (byte)(a.x + b.x); |
| 72 | result.y = (byte)(a.y + b.y); |
| 73 | result.z = (byte)(a.z + b.z); |
| 74 | result.w = (byte)(a.w + b.w); |
| 75 | |
| 76 | return result; |
| 77 | } |
| 78 | |
| 79 | /** @hide |
| 80 | * Vector add |
| 81 | * |
| 82 | * @param value |
| 83 | */ |
| 84 | public void add(byte value) { |
| 85 | x += value; |
| 86 | y += value; |
| 87 | z += value; |
| 88 | w += value; |
| 89 | } |
| 90 | |
| 91 | /** @hide |
| 92 | * Vector add |
| 93 | * |
| 94 | * @param a |
| 95 | * @param b |
| 96 | * @return |
| 97 | */ |
| 98 | public static Byte4 add(Byte4 a, byte b) { |
| 99 | Byte4 result = new Byte4(); |
| 100 | result.x = (byte)(a.x + b); |
| 101 | result.y = (byte)(a.y + b); |
| 102 | result.z = (byte)(a.z + b); |
| 103 | result.w = (byte)(a.w + b); |
| 104 | |
| 105 | return result; |
| 106 | } |
| 107 | |
| 108 | /** @hide |
| 109 | * Vector subtraction |
| 110 | * |
| 111 | * @param a |
| 112 | */ |
| 113 | public void sub(Byte4 a) { |
| 114 | this.x -= a.x; |
| 115 | this.y -= a.y; |
| 116 | this.z -= a.z; |
| 117 | this.w -= a.w; |
| 118 | } |
| 119 | |
| 120 | /** @hide |
| 121 | * Vector subtraction |
| 122 | * |
| 123 | * @param a |
| 124 | * @param b |
| 125 | * @return |
| 126 | */ |
| 127 | public static Byte4 sub(Byte4 a, Byte4 b) { |
| 128 | Byte4 result = new Byte4(); |
| 129 | result.x = (byte)(a.x - b.x); |
| 130 | result.y = (byte)(a.y - b.y); |
| 131 | result.z = (byte)(a.z - b.z); |
| 132 | result.w = (byte)(a.w - b.w); |
| 133 | |
| 134 | return result; |
| 135 | } |
| 136 | |
| 137 | /** @hide |
| 138 | * Vector subtraction |
| 139 | * |
| 140 | * @param value |
| 141 | */ |
| 142 | public void sub(byte value) { |
| 143 | x -= value; |
| 144 | y -= value; |
| 145 | z -= value; |
| 146 | w -= value; |
| 147 | } |
| 148 | |
| 149 | /** @hide |
| 150 | * Vector subtraction |
| 151 | * |
| 152 | * @param a |
| 153 | * @param b |
| 154 | * @return |
| 155 | */ |
| 156 | public static Byte4 sub(Byte4 a, byte b) { |
| 157 | Byte4 result = new Byte4(); |
| 158 | result.x = (byte)(a.x - b); |
| 159 | result.y = (byte)(a.y - b); |
| 160 | result.z = (byte)(a.z - b); |
| 161 | result.w = (byte)(a.w - b); |
| 162 | |
| 163 | return result; |
| 164 | } |
| 165 | |
| 166 | /** @hide |
| 167 | * Vector multiplication |
| 168 | * |
| 169 | * @param a |
| 170 | */ |
| 171 | public void mul(Byte4 a) { |
| 172 | this.x *= a.x; |
| 173 | this.y *= a.y; |
| 174 | this.z *= a.z; |
| 175 | this.w *= a.w; |
| 176 | } |
| 177 | |
| 178 | /** @hide |
| 179 | * Vector multiplication |
| 180 | * |
| 181 | * @param a |
| 182 | * @param b |
| 183 | * @return |
| 184 | */ |
| 185 | public static Byte4 mul(Byte4 a, Byte4 b) { |
| 186 | Byte4 result = new Byte4(); |
| 187 | result.x = (byte)(a.x * b.x); |
| 188 | result.y = (byte)(a.y * b.y); |
| 189 | result.z = (byte)(a.z * b.z); |
| 190 | result.w = (byte)(a.w * b.w); |
| 191 | |
| 192 | return result; |
| 193 | } |
| 194 | |
| 195 | /** @hide |
| 196 | * Vector multiplication |
| 197 | * |
| 198 | * @param value |
| 199 | */ |
| 200 | public void mul(byte value) { |
| 201 | x *= value; |
| 202 | y *= value; |
| 203 | z *= value; |
| 204 | w *= value; |
| 205 | } |
| 206 | |
| 207 | /** @hide |
| 208 | * Vector multiplication |
| 209 | * |
| 210 | * @param a |
| 211 | * @param b |
| 212 | * @return |
| 213 | */ |
| 214 | public static Byte4 mul(Byte4 a, byte b) { |
| 215 | Byte4 result = new Byte4(); |
| 216 | result.x = (byte)(a.x * b); |
| 217 | result.y = (byte)(a.y * b); |
| 218 | result.z = (byte)(a.z * b); |
| 219 | result.w = (byte)(a.w * b); |
| 220 | |
| 221 | return result; |
| 222 | } |
| 223 | |
| 224 | /** @hide |
| 225 | * Vector division |
| 226 | * |
| 227 | * @param a |
| 228 | */ |
| 229 | public void div(Byte4 a) { |
| 230 | this.x /= a.x; |
| 231 | this.y /= a.y; |
| 232 | this.z /= a.z; |
| 233 | this.w /= a.w; |
| 234 | } |
| 235 | |
| 236 | /** @hide |
| 237 | * Vector division |
| 238 | * |
| 239 | * @param a |
| 240 | * @param b |
| 241 | * @return |
| 242 | */ |
| 243 | public static Byte4 div(Byte4 a, Byte4 b) { |
| 244 | Byte4 result = new Byte4(); |
| 245 | result.x = (byte)(a.x / b.x); |
| 246 | result.y = (byte)(a.y / b.y); |
| 247 | result.z = (byte)(a.z / b.z); |
| 248 | result.w = (byte)(a.w / b.w); |
| 249 | |
| 250 | return result; |
| 251 | } |
| 252 | |
| 253 | /** @hide |
| 254 | * Vector division |
| 255 | * |
| 256 | * @param value |
| 257 | */ |
| 258 | public void div(byte value) { |
| 259 | x /= value; |
| 260 | y /= value; |
| 261 | z /= value; |
| 262 | w /= value; |
| 263 | } |
| 264 | |
| 265 | /** @hide |
| 266 | * Vector division |
| 267 | * |
| 268 | * @param a |
| 269 | * @param b |
| 270 | * @return |
| 271 | */ |
| 272 | public static Byte4 div(Byte4 a, byte b) { |
| 273 | Byte4 result = new Byte4(); |
| 274 | result.x = (byte)(a.x / b); |
| 275 | result.y = (byte)(a.y / b); |
| 276 | result.z = (byte)(a.z / b); |
| 277 | result.w = (byte)(a.w / b); |
| 278 | |
| 279 | return result; |
| 280 | } |
| 281 | |
| 282 | /** @hide |
| 283 | * get vector length |
| 284 | * |
| 285 | * @return |
| 286 | */ |
| 287 | public byte length() { |
| 288 | return 4; |
| 289 | } |
| 290 | |
| 291 | /** @hide |
| 292 | * set vector negate |
| 293 | */ |
| 294 | public void negate() { |
| 295 | this.x = (byte)(-x); |
| 296 | this.y = (byte)(-y); |
| 297 | this.z = (byte)(-z); |
| 298 | this.w = (byte)(-w); |
| 299 | } |
| 300 | |
| 301 | /** @hide |
| 302 | * Vector dot Product |
| 303 | * |
| 304 | * @param a |
| 305 | * @return |
| 306 | */ |
| 307 | public byte dotProduct(Byte4 a) { |
| 308 | return (byte)((x * a.x) + (y * a.y) + (z * a.z) + (w * a.w)); |
| 309 | } |
| 310 | |
| 311 | /** @hide |
| 312 | * Vector dot Product |
| 313 | * |
| 314 | * @param a |
| 315 | * @param b |
| 316 | * @return |
| 317 | */ |
| 318 | public static byte dotProduct(Byte4 a, Byte4 b) { |
| 319 | return (byte)((b.x * a.x) + (b.y * a.y) + (b.z * a.z) + (b.w * a.w)); |
| 320 | } |
| 321 | |
| 322 | /** @hide |
| 323 | * Vector add Multiple |
| 324 | * |
| 325 | * @param a |
| 326 | * @param factor |
| 327 | */ |
| 328 | public void addMultiple(Byte4 a, byte factor) { |
| 329 | x += a.x * factor; |
| 330 | y += a.y * factor; |
| 331 | z += a.z * factor; |
| 332 | w += a.w * factor; |
| 333 | } |
| 334 | |
| 335 | /** @hide |
| 336 | * set vector value by Byte4 |
| 337 | * |
| 338 | * @param a |
| 339 | */ |
| 340 | public void set(Byte4 a) { |
| 341 | this.x = a.x; |
| 342 | this.y = a.y; |
| 343 | this.z = a.z; |
| 344 | this.w = a.w; |
| 345 | } |
| 346 | |
| 347 | /** @hide |
| 348 | * set the vector field values |
| 349 | * |
| 350 | * @param a |
| 351 | * @param b |
| 352 | * @param c |
| 353 | * @param d |
| 354 | */ |
| 355 | public void setValues(byte a, byte b, byte c, byte d) { |
| 356 | this.x = a; |
| 357 | this.y = b; |
| 358 | this.z = c; |
| 359 | this.w = d; |
| 360 | } |
| 361 | |
| 362 | /** @hide |
| 363 | * return the element sum of vector |
| 364 | * |
| 365 | * @return |
| 366 | */ |
| 367 | public byte elementSum() { |
| 368 | return (byte)(x + y + z + w); |
| 369 | } |
| 370 | |
| 371 | /** @hide |
| 372 | * get the vector field value by index |
| 373 | * |
| 374 | * @param i |
| 375 | * @return |
| 376 | */ |
| 377 | public byte get(int i) { |
| 378 | switch (i) { |
| 379 | case 0: |
| 380 | return x; |
| 381 | case 1: |
| 382 | return y; |
| 383 | case 2: |
| 384 | return z; |
| 385 | case 3: |
| 386 | return w; |
| 387 | default: |
| 388 | throw new IndexOutOfBoundsException("Index: i"); |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | /** @hide |
| 393 | * set the vector field value by index |
| 394 | * |
| 395 | * @param i |
| 396 | * @param value |
| 397 | */ |
| 398 | public void setAt(int i, byte value) { |
| 399 | switch (i) { |
| 400 | case 0: |
| 401 | x = value; |
| 402 | return; |
| 403 | case 1: |
| 404 | y = value; |
| 405 | return; |
| 406 | case 2: |
| 407 | z = value; |
| 408 | return; |
| 409 | case 3: |
| 410 | w = value; |
| 411 | return; |
| 412 | default: |
| 413 | throw new IndexOutOfBoundsException("Index: i"); |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | /** @hide |
| 418 | * add the vector field value by index |
| 419 | * |
| 420 | * @param i |
| 421 | * @param value |
| 422 | */ |
| 423 | public void addAt(int i, byte value) { |
| 424 | switch (i) { |
| 425 | case 0: |
| 426 | x += value; |
| 427 | return; |
| 428 | case 1: |
| 429 | y += value; |
| 430 | return; |
| 431 | case 2: |
| 432 | z += value; |
| 433 | return; |
| 434 | case 3: |
| 435 | w += value; |
| 436 | return; |
| 437 | default: |
| 438 | throw new IndexOutOfBoundsException("Index: i"); |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | /** @hide |
| 443 | * copy the vector to Char array |
| 444 | * |
| 445 | * @param data |
| 446 | * @param offset |
| 447 | */ |
| 448 | public void copyTo(byte[] data, int offset) { |
| 449 | data[offset] = x; |
| 450 | data[offset + 1] = y; |
| 451 | data[offset + 2] = z; |
| 452 | data[offset + 3] = w; |
| 453 | } |
Jason Sams | 25430d0 | 2010-02-02 15:26:40 -0800 | [diff] [blame] | 454 | } |
| 455 | |
| 456 | |
| 457 | |