1 /* 2 * Copyright (C) 2012 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 18 #include "rs_types.rsh" 19 20 extern short __attribute__((overloadable, always_inline)) rsClamp(short amount, short low, short high); 21 extern uchar4 __attribute__((overloadable)) convert_uchar4(short4); 22 extern uchar4 __attribute__((overloadable)) convert_uchar4(float4); 23 extern float4 __attribute__((overloadable)) convert_float4(uchar4); 24 extern float __attribute__((overloadable)) sqrt(float); 25 26 /* 27 * CLAMP 28 */ 29 #define _CLAMP(T) \ 30 extern T __attribute__((overloadable)) clamp(T amount, T low, T high) { \ 31 return amount < low ? low : (amount > high ? high : amount); \ 32 } \ 33 \ 34 extern T##2 __attribute__((overloadable)) clamp(T##2 amount, T##2 low, T##2 high) { \ 35 T##2 r; \ 36 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 37 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 38 return r; \ 39 } \ 40 \ 41 extern T##3 __attribute__((overloadable)) clamp(T##3 amount, T##3 low, T##3 high) { \ 42 T##3 r; \ 43 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 44 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 45 r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); \ 46 return r; \ 47 } \ 48 \ 49 extern T##4 __attribute__((overloadable)) clamp(T##4 amount, T##4 low, T##4 high) { \ 50 T##4 r; \ 51 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 52 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 53 r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); \ 54 r.w = amount.w < low.w ? low.w : (amount.w > high.w ? high.w : amount.w); \ 55 return r; \ 56 } \ 57 \ 58 extern T##2 __attribute__((overloadable)) clamp(T##2 amount, T low, T high) { \ 59 T##2 r; \ 60 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 61 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 62 return r; \ 63 } \ 64 \ 65 extern T##3 __attribute__((overloadable)) clamp(T##3 amount, T low, T high) { \ 66 T##3 r; \ 67 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 68 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 69 r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); \ 70 return r; \ 71 } \ 72 \ 73 extern T##4 __attribute__((overloadable)) clamp(T##4 amount, T low, T high) { \ 74 T##4 r; \ 75 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 76 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 77 r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); \ 78 r.w = amount.w < low ? low : (amount.w > high ? high : amount.w); \ 79 return r; \ 80 } 81 82 #if !defined(__i386__) && !defined(__x86_64__) 83 84 _CLAMP(float); 85 86 #else 87 88 extern float __attribute__((overloadable)) clamp(float amount, float low, float high); 89 extern float2 __attribute__((overloadable)) clamp(float2 amount, float2 low, float2 high); 90 extern float3 __attribute__((overloadable)) clamp(float3 amount, float3 low, float3 high); 91 extern float4 __attribute__((overloadable)) clamp(float4 amount, float4 low, float4 high); 92 extern float2 __attribute__((overloadable)) clamp(float2 amount, float low, float high); 93 extern float3 __attribute__((overloadable)) clamp(float3 amount, float low, float high); 94 extern float4 __attribute__((overloadable)) clamp(float4 amount, float low, float high); 95 96 #endif // !defined(__i386__) && !defined(__x86_64__) 97 98 _CLAMP(double); 99 _CLAMP(char); 100 _CLAMP(uchar); 101 _CLAMP(short); 102 _CLAMP(ushort); 103 _CLAMP(int); 104 _CLAMP(uint); 105 _CLAMP(long); 106 _CLAMP(ulong); 107 108 #undef _CLAMP 109 110 /* 111 * FMAX 112 */ 113 114 extern float __attribute__((overloadable)) fmax(float v1, float v2) { 115 return v1 > v2 ? v1 : v2; 116 } 117 118 extern float2 __attribute__((overloadable)) fmax(float2 v1, float2 v2) { 119 float2 r; 120 r.x = v1.x > v2.x ? v1.x : v2.x; 121 r.y = v1.y > v2.y ? v1.y : v2.y; 122 return r; 123 } 124 125 extern float3 __attribute__((overloadable)) fmax(float3 v1, float3 v2) { 126 float3 r; 127 r.x = v1.x > v2.x ? v1.x : v2.x; 128 r.y = v1.y > v2.y ? v1.y : v2.y; 129 r.z = v1.z > v2.z ? v1.z : v2.z; 130 return r; 131 } 132 133 extern float4 __attribute__((overloadable)) fmax(float4 v1, float4 v2) { 134 float4 r; 135 r.x = v1.x > v2.x ? v1.x : v2.x; 136 r.y = v1.y > v2.y ? v1.y : v2.y; 137 r.z = v1.z > v2.z ? v1.z : v2.z; 138 r.w = v1.w > v2.w ? v1.w : v2.w; 139 return r; 140 } 141 142 extern float2 __attribute__((overloadable)) fmax(float2 v1, float v2) { 143 float2 r; 144 r.x = v1.x > v2 ? v1.x : v2; 145 r.y = v1.y > v2 ? v1.y : v2; 146 return r; 147 } 148 149 extern float3 __attribute__((overloadable)) fmax(float3 v1, float v2) { 150 float3 r; 151 r.x = v1.x > v2 ? v1.x : v2; 152 r.y = v1.y > v2 ? v1.y : v2; 153 r.z = v1.z > v2 ? v1.z : v2; 154 return r; 155 } 156 157 extern float4 __attribute__((overloadable)) fmax(float4 v1, float v2) { 158 float4 r; 159 r.x = v1.x > v2 ? v1.x : v2; 160 r.y = v1.y > v2 ? v1.y : v2; 161 r.z = v1.z > v2 ? v1.z : v2; 162 r.w = v1.w > v2 ? v1.w : v2; 163 return r; 164 } 165 166 extern float __attribute__((overloadable)) fmin(float v1, float v2) { 167 return v1 < v2 ? v1 : v2; 168 } 169 170 171 /* 172 * FMIN 173 */ 174 extern float2 __attribute__((overloadable)) fmin(float2 v1, float2 v2) { 175 float2 r; 176 r.x = v1.x < v2.x ? v1.x : v2.x; 177 r.y = v1.y < v2.y ? v1.y : v2.y; 178 return r; 179 } 180 181 extern float3 __attribute__((overloadable)) fmin(float3 v1, float3 v2) { 182 float3 r; 183 r.x = v1.x < v2.x ? v1.x : v2.x; 184 r.y = v1.y < v2.y ? v1.y : v2.y; 185 r.z = v1.z < v2.z ? v1.z : v2.z; 186 return r; 187 } 188 189 extern float4 __attribute__((overloadable)) fmin(float4 v1, float4 v2) { 190 float4 r; 191 r.x = v1.x < v2.x ? v1.x : v2.x; 192 r.y = v1.y < v2.y ? v1.y : v2.y; 193 r.z = v1.z < v2.z ? v1.z : v2.z; 194 r.w = v1.w < v2.w ? v1.w : v2.w; 195 return r; 196 } 197 198 extern float2 __attribute__((overloadable)) fmin(float2 v1, float v2) { 199 float2 r; 200 r.x = v1.x < v2 ? v1.x : v2; 201 r.y = v1.y < v2 ? v1.y : v2; 202 return r; 203 } 204 205 extern float3 __attribute__((overloadable)) fmin(float3 v1, float v2) { 206 float3 r; 207 r.x = v1.x < v2 ? v1.x : v2; 208 r.y = v1.y < v2 ? v1.y : v2; 209 r.z = v1.z < v2 ? v1.z : v2; 210 return r; 211 } 212 213 extern float4 __attribute__((overloadable)) fmin(float4 v1, float v2) { 214 float4 r; 215 r.x = v1.x < v2 ? v1.x : v2; 216 r.y = v1.y < v2 ? v1.y : v2; 217 r.z = v1.z < v2 ? v1.z : v2; 218 r.w = v1.w < v2 ? v1.w : v2; 219 return r; 220 } 221 222 223 /* 224 * MAX 225 */ 226 227 extern char __attribute__((overloadable)) max(char v1, char v2) { 228 return v1 > v2 ? v1 : v2; 229 } 230 231 extern char2 __attribute__((overloadable)) max(char2 v1, char2 v2) { 232 char2 r; 233 r.x = v1.x > v2.x ? v1.x : v2.x; 234 r.y = v1.y > v2.y ? v1.y : v2.y; 235 return r; 236 } 237 238 extern char3 __attribute__((overloadable)) max(char3 v1, char3 v2) { 239 char3 r; 240 r.x = v1.x > v2.x ? v1.x : v2.x; 241 r.y = v1.y > v2.y ? v1.y : v2.y; 242 r.z = v1.z > v2.z ? v1.z : v2.z; 243 return r; 244 } 245 246 extern char4 __attribute__((overloadable)) max(char4 v1, char4 v2) { 247 char4 r; 248 r.x = v1.x > v2.x ? v1.x : v2.x; 249 r.y = v1.y > v2.y ? v1.y : v2.y; 250 r.z = v1.z > v2.z ? v1.z : v2.z; 251 r.w = v1.w > v2.w ? v1.w : v2.w; 252 return r; 253 } 254 255 extern short __attribute__((overloadable)) max(short v1, short v2) { 256 return v1 > v2 ? v1 : v2; 257 } 258 259 extern short2 __attribute__((overloadable)) max(short2 v1, short2 v2) { 260 short2 r; 261 r.x = v1.x > v2.x ? v1.x : v2.x; 262 r.y = v1.y > v2.y ? v1.y : v2.y; 263 return r; 264 } 265 266 extern short3 __attribute__((overloadable)) max(short3 v1, short3 v2) { 267 short3 r; 268 r.x = v1.x > v2.x ? v1.x : v2.x; 269 r.y = v1.y > v2.y ? v1.y : v2.y; 270 r.z = v1.z > v2.z ? v1.z : v2.z; 271 return r; 272 } 273 274 extern short4 __attribute__((overloadable)) max(short4 v1, short4 v2) { 275 short4 r; 276 r.x = v1.x > v2.x ? v1.x : v2.x; 277 r.y = v1.y > v2.y ? v1.y : v2.y; 278 r.z = v1.z > v2.z ? v1.z : v2.z; 279 r.w = v1.w > v2.w ? v1.w : v2.w; 280 return r; 281 } 282 283 extern int __attribute__((overloadable)) max(int v1, int v2) { 284 return v1 > v2 ? v1 : v2; 285 } 286 287 extern int2 __attribute__((overloadable)) max(int2 v1, int2 v2) { 288 int2 r; 289 r.x = v1.x > v2.x ? v1.x : v2.x; 290 r.y = v1.y > v2.y ? v1.y : v2.y; 291 return r; 292 } 293 294 extern int3 __attribute__((overloadable)) max(int3 v1, int3 v2) { 295 int3 r; 296 r.x = v1.x > v2.x ? v1.x : v2.x; 297 r.y = v1.y > v2.y ? v1.y : v2.y; 298 r.z = v1.z > v2.z ? v1.z : v2.z; 299 return r; 300 } 301 302 extern int4 __attribute__((overloadable)) max(int4 v1, int4 v2) { 303 int4 r; 304 r.x = v1.x > v2.x ? v1.x : v2.x; 305 r.y = v1.y > v2.y ? v1.y : v2.y; 306 r.z = v1.z > v2.z ? v1.z : v2.z; 307 r.w = v1.w > v2.w ? v1.w : v2.w; 308 return r; 309 } 310 311 extern uchar __attribute__((overloadable)) max(uchar v1, uchar v2) { 312 return v1 > v2 ? v1 : v2; 313 } 314 315 extern uchar2 __attribute__((overloadable)) max(uchar2 v1, uchar2 v2) { 316 uchar2 r; 317 r.x = v1.x > v2.x ? v1.x : v2.x; 318 r.y = v1.y > v2.y ? v1.y : v2.y; 319 return r; 320 } 321 322 extern uchar3 __attribute__((overloadable)) max(uchar3 v1, uchar3 v2) { 323 uchar3 r; 324 r.x = v1.x > v2.x ? v1.x : v2.x; 325 r.y = v1.y > v2.y ? v1.y : v2.y; 326 r.z = v1.z > v2.z ? v1.z : v2.z; 327 return r; 328 } 329 330 extern uchar4 __attribute__((overloadable)) max(uchar4 v1, uchar4 v2) { 331 uchar4 r; 332 r.x = v1.x > v2.x ? v1.x : v2.x; 333 r.y = v1.y > v2.y ? v1.y : v2.y; 334 r.z = v1.z > v2.z ? v1.z : v2.z; 335 r.w = v1.w > v2.w ? v1.w : v2.w; 336 return r; 337 } 338 339 extern ushort __attribute__((overloadable)) max(ushort v1, ushort v2) { 340 return v1 > v2 ? v1 : v2; 341 } 342 343 extern ushort2 __attribute__((overloadable)) max(ushort2 v1, ushort2 v2) { 344 ushort2 r; 345 r.x = v1.x > v2.x ? v1.x : v2.x; 346 r.y = v1.y > v2.y ? v1.y : v2.y; 347 return r; 348 } 349 350 extern ushort3 __attribute__((overloadable)) max(ushort3 v1, ushort3 v2) { 351 ushort3 r; 352 r.x = v1.x > v2.x ? v1.x : v2.x; 353 r.y = v1.y > v2.y ? v1.y : v2.y; 354 r.z = v1.z > v2.z ? v1.z : v2.z; 355 return r; 356 } 357 358 extern ushort4 __attribute__((overloadable)) max(ushort4 v1, ushort4 v2) { 359 ushort4 r; 360 r.x = v1.x > v2.x ? v1.x : v2.x; 361 r.y = v1.y > v2.y ? v1.y : v2.y; 362 r.z = v1.z > v2.z ? v1.z : v2.z; 363 r.w = v1.w > v2.w ? v1.w : v2.w; 364 return r; 365 } 366 367 extern uint __attribute__((overloadable)) max(uint v1, uint v2) { 368 return v1 > v2 ? v1 : v2; 369 } 370 371 extern uint2 __attribute__((overloadable)) max(uint2 v1, uint2 v2) { 372 uint2 r; 373 r.x = v1.x > v2.x ? v1.x : v2.x; 374 r.y = v1.y > v2.y ? v1.y : v2.y; 375 return r; 376 } 377 378 extern uint3 __attribute__((overloadable)) max(uint3 v1, uint3 v2) { 379 uint3 r; 380 r.x = v1.x > v2.x ? v1.x : v2.x; 381 r.y = v1.y > v2.y ? v1.y : v2.y; 382 r.z = v1.z > v2.z ? v1.z : v2.z; 383 return r; 384 } 385 386 extern uint4 __attribute__((overloadable)) max(uint4 v1, uint4 v2) { 387 uint4 r; 388 r.x = v1.x > v2.x ? v1.x : v2.x; 389 r.y = v1.y > v2.y ? v1.y : v2.y; 390 r.z = v1.z > v2.z ? v1.z : v2.z; 391 r.w = v1.w > v2.w ? v1.w : v2.w; 392 return r; 393 } 394 395 extern float __attribute__((overloadable)) max(float v1, float v2) { 396 return fmax(v1, v2); 397 } 398 399 extern float2 __attribute__((overloadable)) max(float2 v1, float2 v2) { 400 return fmax(v1, v2); 401 } 402 403 extern float2 __attribute__((overloadable)) max(float2 v1, float v2) { 404 return fmax(v1, v2); 405 } 406 407 extern float3 __attribute__((overloadable)) max(float3 v1, float3 v2) { 408 return fmax(v1, v2); 409 } 410 411 extern float3 __attribute__((overloadable)) max(float3 v1, float v2) { 412 return fmax(v1, v2); 413 } 414 415 extern float4 __attribute__((overloadable)) max(float4 v1, float4 v2) { 416 return fmax(v1, v2); 417 } 418 419 extern float4 __attribute__((overloadable)) max(float4 v1, float v2) { 420 return fmax(v1, v2); 421 } 422 423 424 /* 425 * MIN 426 */ 427 428 extern int8_t __attribute__((overloadable)) min(int8_t v1, int8_t v2) { 429 return v1 < v2 ? v1 : v2; 430 } 431 432 extern char2 __attribute__((overloadable)) min(char2 v1, char2 v2) { 433 char2 r; 434 r.x = v1.x < v2.x ? v1.x : v2.x; 435 r.y = v1.y < v2.y ? v1.y : v2.y; 436 return r; 437 } 438 439 extern char3 __attribute__((overloadable)) min(char3 v1, char3 v2) { 440 char3 r; 441 r.x = v1.x < v2.x ? v1.x : v2.x; 442 r.y = v1.y < v2.y ? v1.y : v2.y; 443 r.z = v1.z < v2.z ? v1.z : v2.z; 444 return r; 445 } 446 447 extern char4 __attribute__((overloadable)) min(char4 v1, char4 v2) { 448 char4 r; 449 r.x = v1.x < v2.x ? v1.x : v2.x; 450 r.y = v1.y < v2.y ? v1.y : v2.y; 451 r.z = v1.z < v2.z ? v1.z : v2.z; 452 r.w = v1.w < v2.w ? v1.w : v2.w; 453 return r; 454 } 455 456 extern int16_t __attribute__((overloadable)) min(int16_t v1, int16_t v2) { 457 return v1 < v2 ? v1 : v2; 458 } 459 460 extern short2 __attribute__((overloadable)) min(short2 v1, short2 v2) { 461 short2 r; 462 r.x = v1.x < v2.x ? v1.x : v2.x; 463 r.y = v1.y < v2.y ? v1.y : v2.y; 464 return r; 465 } 466 467 extern short3 __attribute__((overloadable)) min(short3 v1, short3 v2) { 468 short3 r; 469 r.x = v1.x < v2.x ? v1.x : v2.x; 470 r.y = v1.y < v2.y ? v1.y : v2.y; 471 r.z = v1.z < v2.z ? v1.z : v2.z; 472 return r; 473 } 474 475 extern short4 __attribute__((overloadable)) min(short4 v1, short4 v2) { 476 short4 r; 477 r.x = v1.x < v2.x ? v1.x : v2.x; 478 r.y = v1.y < v2.y ? v1.y : v2.y; 479 r.z = v1.z < v2.z ? v1.z : v2.z; 480 r.w = v1.w < v2.w ? v1.w : v2.w; 481 return r; 482 } 483 484 extern int32_t __attribute__((overloadable)) min(int32_t v1, int32_t v2) { 485 return v1 < v2 ? v1 : v2; 486 } 487 488 extern int2 __attribute__((overloadable)) min(int2 v1, int2 v2) { 489 int2 r; 490 r.x = v1.x < v2.x ? v1.x : v2.x; 491 r.y = v1.y < v2.y ? v1.y : v2.y; 492 return r; 493 } 494 495 extern int3 __attribute__((overloadable)) min(int3 v1, int3 v2) { 496 int3 r; 497 r.x = v1.x < v2.x ? v1.x : v2.x; 498 r.y = v1.y < v2.y ? v1.y : v2.y; 499 r.z = v1.z < v2.z ? v1.z : v2.z; 500 return r; 501 } 502 503 extern int4 __attribute__((overloadable)) min(int4 v1, int4 v2) { 504 int4 r; 505 r.x = v1.x < v2.x ? v1.x : v2.x; 506 r.y = v1.y < v2.y ? v1.y : v2.y; 507 r.z = v1.z < v2.z ? v1.z : v2.z; 508 r.w = v1.w < v2.w ? v1.w : v2.w; 509 return r; 510 } 511 512 extern uchar __attribute__((overloadable)) min(uchar v1, uchar v2) { 513 return v1 < v2 ? v1 : v2; 514 } 515 516 extern uchar2 __attribute__((overloadable)) min(uchar2 v1, uchar2 v2) { 517 uchar2 r; 518 r.x = v1.x < v2.x ? v1.x : v2.x; 519 r.y = v1.y < v2.y ? v1.y : v2.y; 520 return r; 521 } 522 523 extern uchar3 __attribute__((overloadable)) min(uchar3 v1, uchar3 v2) { 524 uchar3 r; 525 r.x = v1.x < v2.x ? v1.x : v2.x; 526 r.y = v1.y < v2.y ? v1.y : v2.y; 527 r.z = v1.z < v2.z ? v1.z : v2.z; 528 return r; 529 } 530 531 extern uchar4 __attribute__((overloadable)) min(uchar4 v1, uchar4 v2) { 532 uchar4 r; 533 r.x = v1.x < v2.x ? v1.x : v2.x; 534 r.y = v1.y < v2.y ? v1.y : v2.y; 535 r.z = v1.z < v2.z ? v1.z : v2.z; 536 r.w = v1.w < v2.w ? v1.w : v2.w; 537 return r; 538 } 539 540 extern ushort __attribute__((overloadable)) min(ushort v1, ushort v2) { 541 return v1 < v2 ? v1 : v2; 542 } 543 544 extern ushort2 __attribute__((overloadable)) min(ushort2 v1, ushort2 v2) { 545 ushort2 r; 546 r.x = v1.x < v2.x ? v1.x : v2.x; 547 r.y = v1.y < v2.y ? v1.y : v2.y; 548 return r; 549 } 550 551 extern ushort3 __attribute__((overloadable)) min(ushort3 v1, ushort3 v2) { 552 ushort3 r; 553 r.x = v1.x < v2.x ? v1.x : v2.x; 554 r.y = v1.y < v2.y ? v1.y : v2.y; 555 r.z = v1.z < v2.z ? v1.z : v2.z; 556 return r; 557 } 558 559 extern ushort4 __attribute__((overloadable)) min(ushort4 v1, ushort4 v2) { 560 ushort4 r; 561 r.x = v1.x < v2.x ? v1.x : v2.x; 562 r.y = v1.y < v2.y ? v1.y : v2.y; 563 r.z = v1.z < v2.z ? v1.z : v2.z; 564 r.w = v1.w < v2.w ? v1.w : v2.w; 565 return r; 566 } 567 568 extern uint __attribute__((overloadable)) min(uint v1, uint v2) { 569 return v1 < v2 ? v1 : v2; 570 } 571 572 extern uint2 __attribute__((overloadable)) min(uint2 v1, uint2 v2) { 573 uint2 r; 574 r.x = v1.x < v2.x ? v1.x : v2.x; 575 r.y = v1.y < v2.y ? v1.y : v2.y; 576 return r; 577 } 578 579 extern uint3 __attribute__((overloadable)) min(uint3 v1, uint3 v2) { 580 uint3 r; 581 r.x = v1.x < v2.x ? v1.x : v2.x; 582 r.y = v1.y < v2.y ? v1.y : v2.y; 583 r.z = v1.z < v2.z ? v1.z : v2.z; 584 return r; 585 } 586 587 extern uint4 __attribute__((overloadable)) min(uint4 v1, uint4 v2) { 588 uint4 r; 589 r.x = v1.x < v2.x ? v1.x : v2.x; 590 r.y = v1.y < v2.y ? v1.y : v2.y; 591 r.z = v1.z < v2.z ? v1.z : v2.z; 592 r.w = v1.w < v2.w ? v1.w : v2.w; 593 return r; 594 } 595 596 extern float __attribute__((overloadable)) min(float v1, float v2) { 597 return fmin(v1, v2); 598 } 599 600 extern float2 __attribute__((overloadable)) min(float2 v1, float2 v2) { 601 return fmin(v1, v2); 602 } 603 604 extern float2 __attribute__((overloadable)) min(float2 v1, float v2) { 605 return fmin(v1, v2); 606 } 607 608 extern float3 __attribute__((overloadable)) min(float3 v1, float3 v2) { 609 return fmin(v1, v2); 610 } 611 612 extern float3 __attribute__((overloadable)) min(float3 v1, float v2) { 613 return fmin(v1, v2); 614 } 615 616 extern float4 __attribute__((overloadable)) min(float4 v1, float4 v2) { 617 return fmin(v1, v2); 618 } 619 620 extern float4 __attribute__((overloadable)) min(float4 v1, float v2) { 621 return fmin(v1, v2); 622 } 623 624 /* 625 * YUV 626 */ 627 628 extern uchar4 __attribute__((overloadable)) rsYuvToRGBA_uchar4(uchar y, uchar u, uchar v) { 629 short Y = ((short)y) - 16; 630 short U = ((short)u) - 128; 631 short V = ((short)v) - 128; 632 633 short4 p; 634 p.r = (Y * 298 + V * 409 + 128) >> 8; 635 p.g = (Y * 298 - U * 100 - V * 208 + 128) >> 8; 636 p.b = (Y * 298 + U * 516 + 128) >> 8; 637 p.a = 255; 638 p.r = rsClamp(p.r, (short)0, (short)255); 639 p.g = rsClamp(p.g, (short)0, (short)255); 640 p.b = rsClamp(p.b, (short)0, (short)255); 641 642 return convert_uchar4(p); 643 } 644 645 static float4 yuv_U_values = {0.f, -0.392f * 0.003921569f, +2.02 * 0.003921569f, 0.f}; 646 static float4 yuv_V_values = {1.603f * 0.003921569f, -0.815f * 0.003921569f, 0.f, 0.f}; 647 648 extern float4 __attribute__((overloadable)) rsYuvToRGBA_float4(uchar y, uchar u, uchar v) { 649 float4 color = (float)y * 0.003921569f; 650 float4 fU = ((float)u) - 128.f; 651 float4 fV = ((float)v) - 128.f; 652 653 color += fU * yuv_U_values; 654 color += fV * yuv_V_values; 655 color = clamp(color, 0.f, 1.f); 656 return color; 657 } 658 659 660 /* 661 * half_RECIP 662 */ 663 664 extern float2 __attribute__((overloadable)) half_recip(float2 v) { 665 return ((float2) 1.f) / v; 666 } 667 668 extern float3 __attribute__((overloadable)) half_recip(float3 v) { 669 return ((float3) 1.f) / v; 670 } 671 672 extern float4 __attribute__((overloadable)) half_recip(float4 v) { 673 return ((float4) 1.f) / v; 674 } 675 676 677 678 /* 679 * half_rsqrt 680 */ 681 682 extern float __attribute__((overloadable)) half_rsqrt(float v) { 683 return 1.f / sqrt(v); 684 } 685 686 extern float2 __attribute__((overloadable)) half_rsqrt(float2 v) { 687 float2 r; 688 r.x = half_rsqrt(v.x); 689 r.y = half_rsqrt(v.y); 690 return r; 691 } 692 693 extern float3 __attribute__((overloadable)) half_rsqrt(float3 v) { 694 float3 r; 695 r.x = half_rsqrt(v.x); 696 r.y = half_rsqrt(v.y); 697 r.z = half_rsqrt(v.z); 698 return r; 699 } 700 701 extern float4 __attribute__((overloadable)) half_rsqrt(float4 v) { 702 float4 r; 703 r.x = half_rsqrt(v.x); 704 r.y = half_rsqrt(v.y); 705 r.z = half_rsqrt(v.z); 706 r.w = half_rsqrt(v.w); 707 return r; 708 } 709 710 /** 711 * matrix ops 712 */ 713 714 extern float4 __attribute__((overloadable)) 715 rsMatrixMultiply(const rs_matrix4x4 *m, float4 in) { 716 float4 ret; 717 ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + (m->m[12] * in.w); 718 ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + (m->m[13] * in.w); 719 ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + (m->m[14] * in.w); 720 ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + (m->m[15] * in.w); 721 return ret; 722 } 723 724 extern float4 __attribute__((overloadable)) 725 rsMatrixMultiply(const rs_matrix4x4 *m, float3 in) { 726 float4 ret; 727 ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + m->m[12]; 728 ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + m->m[13]; 729 ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + m->m[14]; 730 ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + m->m[15]; 731 return ret; 732 } 733 734 extern float4 __attribute__((overloadable)) 735 rsMatrixMultiply(const rs_matrix4x4 *m, float2 in) { 736 float4 ret; 737 ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + m->m[12]; 738 ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + m->m[13]; 739 ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + m->m[14]; 740 ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + m->m[15]; 741 return ret; 742 } 743 744 extern float3 __attribute__((overloadable)) 745 rsMatrixMultiply(const rs_matrix3x3 *m, float3 in) { 746 float3 ret; 747 ret.x = (m->m[0] * in.x) + (m->m[3] * in.y) + (m->m[6] * in.z); 748 ret.y = (m->m[1] * in.x) + (m->m[4] * in.y) + (m->m[7] * in.z); 749 ret.z = (m->m[2] * in.x) + (m->m[5] * in.y) + (m->m[8] * in.z); 750 return ret; 751 } 752 753 extern float3 __attribute__((overloadable)) 754 rsMatrixMultiply(const rs_matrix3x3 *m, float2 in) { 755 float3 ret; 756 ret.x = (m->m[0] * in.x) + (m->m[3] * in.y); 757 ret.y = (m->m[1] * in.x) + (m->m[4] * in.y); 758 ret.z = (m->m[2] * in.x) + (m->m[5] * in.y); 759 return ret; 760 } 761 762 /** 763 * Pixel Ops 764 */ 765 extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b) 766 { 767 uchar4 c; 768 c.x = (uchar)clamp((r * 255.f + 0.5f), 0.f, 255.f); 769 c.y = (uchar)clamp((g * 255.f + 0.5f), 0.f, 255.f); 770 c.z = (uchar)clamp((b * 255.f + 0.5f), 0.f, 255.f); 771 c.w = 255; 772 return c; 773 } 774 775 extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b, float a) 776 { 777 uchar4 c; 778 c.x = (uchar)clamp((r * 255.f + 0.5f), 0.f, 255.f); 779 c.y = (uchar)clamp((g * 255.f + 0.5f), 0.f, 255.f); 780 c.z = (uchar)clamp((b * 255.f + 0.5f), 0.f, 255.f); 781 c.w = (uchar)clamp((a * 255.f + 0.5f), 0.f, 255.f); 782 return c; 783 } 784 785 extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color) 786 { 787 color *= 255.f; 788 color += 0.5f; 789 color = clamp(color, 0.f, 255.f); 790 uchar4 c = {color.x, color.y, color.z, 255}; 791 return c; 792 } 793 794 extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color) 795 { 796 color *= 255.f; 797 color += 0.5f; 798 color = clamp(color, 0.f, 255.f); 799 uchar4 c = {color.x, color.y, color.z, color.w}; 800 return c; 801 } 802