generic.c revision a673fb0db28eac2300fcfa04549138c1c9202014
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_core.rsh" 19 20extern short __attribute__((overloadable, always_inline)) rsClamp(short amount, short low, short high); 21extern uchar4 __attribute__((overloadable)) convert_uchar4(short4); 22extern uchar4 __attribute__((overloadable)) convert_uchar4(float4); 23extern float4 __attribute__((overloadable)) convert_float4(uchar4); 24extern float __attribute__((overloadable)) sqrt(float); 25 26/* 27 * CLAMP 28 */ 29#define _CLAMP(T) \ 30extern T __attribute__((overloadable)) clamp(T amount, T low, T high) { \ 31 return amount < low ? low : (amount > high ? high : amount); \ 32} \ 33 \ 34extern 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 \ 41extern 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 \ 49extern 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 \ 58extern 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 \ 65extern 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 \ 73extern 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__)) || defined(RS_DEBUG_RUNTIME) 83// These functions must be defined here if we are not using the SSE 84// implementation, which includes when we are built as part of the 85// debug runtime (libclcore_debug.bc). 86 87_CLAMP(float); 88 89#else 90 91extern float __attribute__((overloadable)) clamp(float amount, float low, float high); 92extern float2 __attribute__((overloadable)) clamp(float2 amount, float2 low, float2 high); 93extern float3 __attribute__((overloadable)) clamp(float3 amount, float3 low, float3 high); 94extern float4 __attribute__((overloadable)) clamp(float4 amount, float4 low, float4 high); 95extern float2 __attribute__((overloadable)) clamp(float2 amount, float low, float high); 96extern float3 __attribute__((overloadable)) clamp(float3 amount, float low, float high); 97extern float4 __attribute__((overloadable)) clamp(float4 amount, float low, float high); 98 99#endif // (!defined(__i386__) && !defined(__x86_64__)) || defined(RS_DEBUG_RUNTIME) 100 101_CLAMP(double); 102_CLAMP(char); 103_CLAMP(uchar); 104_CLAMP(short); 105_CLAMP(ushort); 106_CLAMP(int); 107_CLAMP(uint); 108_CLAMP(long); 109_CLAMP(ulong); 110 111#undef _CLAMP 112 113/* 114 * FMAX 115 */ 116 117extern float __attribute__((overloadable)) fmax(float v1, float v2) { 118 return v1 > v2 ? v1 : v2; 119} 120 121extern float2 __attribute__((overloadable)) fmax(float2 v1, float2 v2) { 122 float2 r; 123 r.x = v1.x > v2.x ? v1.x : v2.x; 124 r.y = v1.y > v2.y ? v1.y : v2.y; 125 return r; 126} 127 128extern float3 __attribute__((overloadable)) fmax(float3 v1, float3 v2) { 129 float3 r; 130 r.x = v1.x > v2.x ? v1.x : v2.x; 131 r.y = v1.y > v2.y ? v1.y : v2.y; 132 r.z = v1.z > v2.z ? v1.z : v2.z; 133 return r; 134} 135 136extern float4 __attribute__((overloadable)) fmax(float4 v1, float4 v2) { 137 float4 r; 138 r.x = v1.x > v2.x ? v1.x : v2.x; 139 r.y = v1.y > v2.y ? v1.y : v2.y; 140 r.z = v1.z > v2.z ? v1.z : v2.z; 141 r.w = v1.w > v2.w ? v1.w : v2.w; 142 return r; 143} 144 145extern float2 __attribute__((overloadable)) fmax(float2 v1, float v2) { 146 float2 r; 147 r.x = v1.x > v2 ? v1.x : v2; 148 r.y = v1.y > v2 ? v1.y : v2; 149 return r; 150} 151 152extern float3 __attribute__((overloadable)) fmax(float3 v1, float v2) { 153 float3 r; 154 r.x = v1.x > v2 ? v1.x : v2; 155 r.y = v1.y > v2 ? v1.y : v2; 156 r.z = v1.z > v2 ? v1.z : v2; 157 return r; 158} 159 160extern float4 __attribute__((overloadable)) fmax(float4 v1, float v2) { 161 float4 r; 162 r.x = v1.x > v2 ? v1.x : v2; 163 r.y = v1.y > v2 ? v1.y : v2; 164 r.z = v1.z > v2 ? v1.z : v2; 165 r.w = v1.w > v2 ? v1.w : v2; 166 return r; 167} 168 169extern float __attribute__((overloadable)) fmin(float v1, float v2) { 170 return v1 < v2 ? v1 : v2; 171} 172 173 174/* 175 * FMIN 176 */ 177extern float2 __attribute__((overloadable)) fmin(float2 v1, float2 v2) { 178 float2 r; 179 r.x = v1.x < v2.x ? v1.x : v2.x; 180 r.y = v1.y < v2.y ? v1.y : v2.y; 181 return r; 182} 183 184extern float3 __attribute__((overloadable)) fmin(float3 v1, float3 v2) { 185 float3 r; 186 r.x = v1.x < v2.x ? v1.x : v2.x; 187 r.y = v1.y < v2.y ? v1.y : v2.y; 188 r.z = v1.z < v2.z ? v1.z : v2.z; 189 return r; 190} 191 192extern float4 __attribute__((overloadable)) fmin(float4 v1, float4 v2) { 193 float4 r; 194 r.x = v1.x < v2.x ? v1.x : v2.x; 195 r.y = v1.y < v2.y ? v1.y : v2.y; 196 r.z = v1.z < v2.z ? v1.z : v2.z; 197 r.w = v1.w < v2.w ? v1.w : v2.w; 198 return r; 199} 200 201extern float2 __attribute__((overloadable)) fmin(float2 v1, float v2) { 202 float2 r; 203 r.x = v1.x < v2 ? v1.x : v2; 204 r.y = v1.y < v2 ? v1.y : v2; 205 return r; 206} 207 208extern float3 __attribute__((overloadable)) fmin(float3 v1, float v2) { 209 float3 r; 210 r.x = v1.x < v2 ? v1.x : v2; 211 r.y = v1.y < v2 ? v1.y : v2; 212 r.z = v1.z < v2 ? v1.z : v2; 213 return r; 214} 215 216extern float4 __attribute__((overloadable)) fmin(float4 v1, float v2) { 217 float4 r; 218 r.x = v1.x < v2 ? v1.x : v2; 219 r.y = v1.y < v2 ? v1.y : v2; 220 r.z = v1.z < v2 ? v1.z : v2; 221 r.w = v1.w < v2 ? v1.w : v2; 222 return r; 223} 224 225 226/* 227 * MAX 228 */ 229 230extern char __attribute__((overloadable)) max(char v1, char v2) { 231 return v1 > v2 ? v1 : v2; 232} 233 234extern char2 __attribute__((overloadable)) max(char2 v1, char2 v2) { 235 char2 r; 236 r.x = v1.x > v2.x ? v1.x : v2.x; 237 r.y = v1.y > v2.y ? v1.y : v2.y; 238 return r; 239} 240 241extern char3 __attribute__((overloadable)) max(char3 v1, char3 v2) { 242 char3 r; 243 r.x = v1.x > v2.x ? v1.x : v2.x; 244 r.y = v1.y > v2.y ? v1.y : v2.y; 245 r.z = v1.z > v2.z ? v1.z : v2.z; 246 return r; 247} 248 249extern char4 __attribute__((overloadable)) max(char4 v1, char4 v2) { 250 char4 r; 251 r.x = v1.x > v2.x ? v1.x : v2.x; 252 r.y = v1.y > v2.y ? v1.y : v2.y; 253 r.z = v1.z > v2.z ? v1.z : v2.z; 254 r.w = v1.w > v2.w ? v1.w : v2.w; 255 return r; 256} 257 258extern short __attribute__((overloadable)) max(short v1, short v2) { 259 return v1 > v2 ? v1 : v2; 260} 261 262extern short2 __attribute__((overloadable)) max(short2 v1, short2 v2) { 263 short2 r; 264 r.x = v1.x > v2.x ? v1.x : v2.x; 265 r.y = v1.y > v2.y ? v1.y : v2.y; 266 return r; 267} 268 269extern short3 __attribute__((overloadable)) max(short3 v1, short3 v2) { 270 short3 r; 271 r.x = v1.x > v2.x ? v1.x : v2.x; 272 r.y = v1.y > v2.y ? v1.y : v2.y; 273 r.z = v1.z > v2.z ? v1.z : v2.z; 274 return r; 275} 276 277extern short4 __attribute__((overloadable)) max(short4 v1, short4 v2) { 278 short4 r; 279 r.x = v1.x > v2.x ? v1.x : v2.x; 280 r.y = v1.y > v2.y ? v1.y : v2.y; 281 r.z = v1.z > v2.z ? v1.z : v2.z; 282 r.w = v1.w > v2.w ? v1.w : v2.w; 283 return r; 284} 285 286extern int __attribute__((overloadable)) max(int v1, int v2) { 287 return v1 > v2 ? v1 : v2; 288} 289 290extern int2 __attribute__((overloadable)) max(int2 v1, int2 v2) { 291 int2 r; 292 r.x = v1.x > v2.x ? v1.x : v2.x; 293 r.y = v1.y > v2.y ? v1.y : v2.y; 294 return r; 295} 296 297extern int3 __attribute__((overloadable)) max(int3 v1, int3 v2) { 298 int3 r; 299 r.x = v1.x > v2.x ? v1.x : v2.x; 300 r.y = v1.y > v2.y ? v1.y : v2.y; 301 r.z = v1.z > v2.z ? v1.z : v2.z; 302 return r; 303} 304 305extern int4 __attribute__((overloadable)) max(int4 v1, int4 v2) { 306 int4 r; 307 r.x = v1.x > v2.x ? v1.x : v2.x; 308 r.y = v1.y > v2.y ? v1.y : v2.y; 309 r.z = v1.z > v2.z ? v1.z : v2.z; 310 r.w = v1.w > v2.w ? v1.w : v2.w; 311 return r; 312} 313 314extern uchar __attribute__((overloadable)) max(uchar v1, uchar v2) { 315 return v1 > v2 ? v1 : v2; 316} 317 318extern uchar2 __attribute__((overloadable)) max(uchar2 v1, uchar2 v2) { 319 uchar2 r; 320 r.x = v1.x > v2.x ? v1.x : v2.x; 321 r.y = v1.y > v2.y ? v1.y : v2.y; 322 return r; 323} 324 325extern uchar3 __attribute__((overloadable)) max(uchar3 v1, uchar3 v2) { 326 uchar3 r; 327 r.x = v1.x > v2.x ? v1.x : v2.x; 328 r.y = v1.y > v2.y ? v1.y : v2.y; 329 r.z = v1.z > v2.z ? v1.z : v2.z; 330 return r; 331} 332 333extern uchar4 __attribute__((overloadable)) max(uchar4 v1, uchar4 v2) { 334 uchar4 r; 335 r.x = v1.x > v2.x ? v1.x : v2.x; 336 r.y = v1.y > v2.y ? v1.y : v2.y; 337 r.z = v1.z > v2.z ? v1.z : v2.z; 338 r.w = v1.w > v2.w ? v1.w : v2.w; 339 return r; 340} 341 342extern ushort __attribute__((overloadable)) max(ushort v1, ushort v2) { 343 return v1 > v2 ? v1 : v2; 344} 345 346extern ushort2 __attribute__((overloadable)) max(ushort2 v1, ushort2 v2) { 347 ushort2 r; 348 r.x = v1.x > v2.x ? v1.x : v2.x; 349 r.y = v1.y > v2.y ? v1.y : v2.y; 350 return r; 351} 352 353extern ushort3 __attribute__((overloadable)) max(ushort3 v1, ushort3 v2) { 354 ushort3 r; 355 r.x = v1.x > v2.x ? v1.x : v2.x; 356 r.y = v1.y > v2.y ? v1.y : v2.y; 357 r.z = v1.z > v2.z ? v1.z : v2.z; 358 return r; 359} 360 361extern ushort4 __attribute__((overloadable)) max(ushort4 v1, ushort4 v2) { 362 ushort4 r; 363 r.x = v1.x > v2.x ? v1.x : v2.x; 364 r.y = v1.y > v2.y ? v1.y : v2.y; 365 r.z = v1.z > v2.z ? v1.z : v2.z; 366 r.w = v1.w > v2.w ? v1.w : v2.w; 367 return r; 368} 369 370extern uint __attribute__((overloadable)) max(uint v1, uint v2) { 371 return v1 > v2 ? v1 : v2; 372} 373 374extern uint2 __attribute__((overloadable)) max(uint2 v1, uint2 v2) { 375 uint2 r; 376 r.x = v1.x > v2.x ? v1.x : v2.x; 377 r.y = v1.y > v2.y ? v1.y : v2.y; 378 return r; 379} 380 381extern uint3 __attribute__((overloadable)) max(uint3 v1, uint3 v2) { 382 uint3 r; 383 r.x = v1.x > v2.x ? v1.x : v2.x; 384 r.y = v1.y > v2.y ? v1.y : v2.y; 385 r.z = v1.z > v2.z ? v1.z : v2.z; 386 return r; 387} 388 389extern uint4 __attribute__((overloadable)) max(uint4 v1, uint4 v2) { 390 uint4 r; 391 r.x = v1.x > v2.x ? v1.x : v2.x; 392 r.y = v1.y > v2.y ? v1.y : v2.y; 393 r.z = v1.z > v2.z ? v1.z : v2.z; 394 r.w = v1.w > v2.w ? v1.w : v2.w; 395 return r; 396} 397 398extern float __attribute__((overloadable)) max(float v1, float v2) { 399 return fmax(v1, v2); 400} 401 402extern float2 __attribute__((overloadable)) max(float2 v1, float2 v2) { 403 return fmax(v1, v2); 404} 405 406extern float2 __attribute__((overloadable)) max(float2 v1, float v2) { 407 return fmax(v1, v2); 408} 409 410extern float3 __attribute__((overloadable)) max(float3 v1, float3 v2) { 411 return fmax(v1, v2); 412} 413 414extern float3 __attribute__((overloadable)) max(float3 v1, float v2) { 415 return fmax(v1, v2); 416} 417 418extern float4 __attribute__((overloadable)) max(float4 v1, float4 v2) { 419 return fmax(v1, v2); 420} 421 422extern float4 __attribute__((overloadable)) max(float4 v1, float v2) { 423 return fmax(v1, v2); 424} 425 426 427/* 428 * MIN 429 */ 430 431extern int8_t __attribute__((overloadable)) min(int8_t v1, int8_t v2) { 432 return v1 < v2 ? v1 : v2; 433} 434 435extern char2 __attribute__((overloadable)) min(char2 v1, char2 v2) { 436 char2 r; 437 r.x = v1.x < v2.x ? v1.x : v2.x; 438 r.y = v1.y < v2.y ? v1.y : v2.y; 439 return r; 440} 441 442extern char3 __attribute__((overloadable)) min(char3 v1, char3 v2) { 443 char3 r; 444 r.x = v1.x < v2.x ? v1.x : v2.x; 445 r.y = v1.y < v2.y ? v1.y : v2.y; 446 r.z = v1.z < v2.z ? v1.z : v2.z; 447 return r; 448} 449 450extern char4 __attribute__((overloadable)) min(char4 v1, char4 v2) { 451 char4 r; 452 r.x = v1.x < v2.x ? v1.x : v2.x; 453 r.y = v1.y < v2.y ? v1.y : v2.y; 454 r.z = v1.z < v2.z ? v1.z : v2.z; 455 r.w = v1.w < v2.w ? v1.w : v2.w; 456 return r; 457} 458 459extern int16_t __attribute__((overloadable)) min(int16_t v1, int16_t v2) { 460 return v1 < v2 ? v1 : v2; 461} 462 463extern short2 __attribute__((overloadable)) min(short2 v1, short2 v2) { 464 short2 r; 465 r.x = v1.x < v2.x ? v1.x : v2.x; 466 r.y = v1.y < v2.y ? v1.y : v2.y; 467 return r; 468} 469 470extern short3 __attribute__((overloadable)) min(short3 v1, short3 v2) { 471 short3 r; 472 r.x = v1.x < v2.x ? v1.x : v2.x; 473 r.y = v1.y < v2.y ? v1.y : v2.y; 474 r.z = v1.z < v2.z ? v1.z : v2.z; 475 return r; 476} 477 478extern short4 __attribute__((overloadable)) min(short4 v1, short4 v2) { 479 short4 r; 480 r.x = v1.x < v2.x ? v1.x : v2.x; 481 r.y = v1.y < v2.y ? v1.y : v2.y; 482 r.z = v1.z < v2.z ? v1.z : v2.z; 483 r.w = v1.w < v2.w ? v1.w : v2.w; 484 return r; 485} 486 487extern int32_t __attribute__((overloadable)) min(int32_t v1, int32_t v2) { 488 return v1 < v2 ? v1 : v2; 489} 490 491extern int2 __attribute__((overloadable)) min(int2 v1, int2 v2) { 492 int2 r; 493 r.x = v1.x < v2.x ? v1.x : v2.x; 494 r.y = v1.y < v2.y ? v1.y : v2.y; 495 return r; 496} 497 498extern int3 __attribute__((overloadable)) min(int3 v1, int3 v2) { 499 int3 r; 500 r.x = v1.x < v2.x ? v1.x : v2.x; 501 r.y = v1.y < v2.y ? v1.y : v2.y; 502 r.z = v1.z < v2.z ? v1.z : v2.z; 503 return r; 504} 505 506extern int4 __attribute__((overloadable)) min(int4 v1, int4 v2) { 507 int4 r; 508 r.x = v1.x < v2.x ? v1.x : v2.x; 509 r.y = v1.y < v2.y ? v1.y : v2.y; 510 r.z = v1.z < v2.z ? v1.z : v2.z; 511 r.w = v1.w < v2.w ? v1.w : v2.w; 512 return r; 513} 514 515extern uchar __attribute__((overloadable)) min(uchar v1, uchar v2) { 516 return v1 < v2 ? v1 : v2; 517} 518 519extern uchar2 __attribute__((overloadable)) min(uchar2 v1, uchar2 v2) { 520 uchar2 r; 521 r.x = v1.x < v2.x ? v1.x : v2.x; 522 r.y = v1.y < v2.y ? v1.y : v2.y; 523 return r; 524} 525 526extern uchar3 __attribute__((overloadable)) min(uchar3 v1, uchar3 v2) { 527 uchar3 r; 528 r.x = v1.x < v2.x ? v1.x : v2.x; 529 r.y = v1.y < v2.y ? v1.y : v2.y; 530 r.z = v1.z < v2.z ? v1.z : v2.z; 531 return r; 532} 533 534extern uchar4 __attribute__((overloadable)) min(uchar4 v1, uchar4 v2) { 535 uchar4 r; 536 r.x = v1.x < v2.x ? v1.x : v2.x; 537 r.y = v1.y < v2.y ? v1.y : v2.y; 538 r.z = v1.z < v2.z ? v1.z : v2.z; 539 r.w = v1.w < v2.w ? v1.w : v2.w; 540 return r; 541} 542 543extern ushort __attribute__((overloadable)) min(ushort v1, ushort v2) { 544 return v1 < v2 ? v1 : v2; 545} 546 547extern ushort2 __attribute__((overloadable)) min(ushort2 v1, ushort2 v2) { 548 ushort2 r; 549 r.x = v1.x < v2.x ? v1.x : v2.x; 550 r.y = v1.y < v2.y ? v1.y : v2.y; 551 return r; 552} 553 554extern ushort3 __attribute__((overloadable)) min(ushort3 v1, ushort3 v2) { 555 ushort3 r; 556 r.x = v1.x < v2.x ? v1.x : v2.x; 557 r.y = v1.y < v2.y ? v1.y : v2.y; 558 r.z = v1.z < v2.z ? v1.z : v2.z; 559 return r; 560} 561 562extern ushort4 __attribute__((overloadable)) min(ushort4 v1, ushort4 v2) { 563 ushort4 r; 564 r.x = v1.x < v2.x ? v1.x : v2.x; 565 r.y = v1.y < v2.y ? v1.y : v2.y; 566 r.z = v1.z < v2.z ? v1.z : v2.z; 567 r.w = v1.w < v2.w ? v1.w : v2.w; 568 return r; 569} 570 571extern uint __attribute__((overloadable)) min(uint v1, uint v2) { 572 return v1 < v2 ? v1 : v2; 573} 574 575extern uint2 __attribute__((overloadable)) min(uint2 v1, uint2 v2) { 576 uint2 r; 577 r.x = v1.x < v2.x ? v1.x : v2.x; 578 r.y = v1.y < v2.y ? v1.y : v2.y; 579 return r; 580} 581 582extern uint3 __attribute__((overloadable)) min(uint3 v1, uint3 v2) { 583 uint3 r; 584 r.x = v1.x < v2.x ? v1.x : v2.x; 585 r.y = v1.y < v2.y ? v1.y : v2.y; 586 r.z = v1.z < v2.z ? v1.z : v2.z; 587 return r; 588} 589 590extern uint4 __attribute__((overloadable)) min(uint4 v1, uint4 v2) { 591 uint4 r; 592 r.x = v1.x < v2.x ? v1.x : v2.x; 593 r.y = v1.y < v2.y ? v1.y : v2.y; 594 r.z = v1.z < v2.z ? v1.z : v2.z; 595 r.w = v1.w < v2.w ? v1.w : v2.w; 596 return r; 597} 598 599extern float __attribute__((overloadable)) min(float v1, float v2) { 600 return fmin(v1, v2); 601} 602 603extern float2 __attribute__((overloadable)) min(float2 v1, float2 v2) { 604 return fmin(v1, v2); 605} 606 607extern float2 __attribute__((overloadable)) min(float2 v1, float v2) { 608 return fmin(v1, v2); 609} 610 611extern float3 __attribute__((overloadable)) min(float3 v1, float3 v2) { 612 return fmin(v1, v2); 613} 614 615extern float3 __attribute__((overloadable)) min(float3 v1, float v2) { 616 return fmin(v1, v2); 617} 618 619extern float4 __attribute__((overloadable)) min(float4 v1, float4 v2) { 620 return fmin(v1, v2); 621} 622 623extern float4 __attribute__((overloadable)) min(float4 v1, float v2) { 624 return fmin(v1, v2); 625} 626 627/* 628 * YUV 629 */ 630 631extern uchar4 __attribute__((overloadable)) rsYuvToRGBA_uchar4(uchar y, uchar u, uchar v) { 632 short Y = ((short)y) - 16; 633 short U = ((short)u) - 128; 634 short V = ((short)v) - 128; 635 636 short4 p; 637 p.r = (Y * 298 + V * 409 + 128) >> 8; 638 p.g = (Y * 298 - U * 100 - V * 208 + 128) >> 8; 639 p.b = (Y * 298 + U * 516 + 128) >> 8; 640 p.a = 255; 641 p.r = rsClamp(p.r, (short)0, (short)255); 642 p.g = rsClamp(p.g, (short)0, (short)255); 643 p.b = rsClamp(p.b, (short)0, (short)255); 644 645 return convert_uchar4(p); 646} 647 648/* 649 * half_RECIP 650 */ 651 652extern float2 __attribute__((overloadable)) half_recip(float2 v) { 653 return ((float2) 1.f) / v; 654} 655 656extern float3 __attribute__((overloadable)) half_recip(float3 v) { 657 return ((float3) 1.f) / v; 658} 659 660extern float4 __attribute__((overloadable)) half_recip(float4 v) { 661 return ((float4) 1.f) / v; 662} 663 664 665 666/* 667 * half_rsqrt 668 */ 669 670extern float __attribute__((overloadable)) half_rsqrt(float v) { 671 return 1.f / sqrt(v); 672} 673 674extern float2 __attribute__((overloadable)) half_rsqrt(float2 v) { 675 float2 r; 676 r.x = half_rsqrt(v.x); 677 r.y = half_rsqrt(v.y); 678 return r; 679} 680 681extern float3 __attribute__((overloadable)) half_rsqrt(float3 v) { 682 float3 r; 683 r.x = half_rsqrt(v.x); 684 r.y = half_rsqrt(v.y); 685 r.z = half_rsqrt(v.z); 686 return r; 687} 688 689extern float4 __attribute__((overloadable)) half_rsqrt(float4 v) { 690 float4 r; 691 r.x = half_rsqrt(v.x); 692 r.y = half_rsqrt(v.y); 693 r.z = half_rsqrt(v.z); 694 r.w = half_rsqrt(v.w); 695 return r; 696} 697 698/** 699 * matrix ops 700 */ 701 702extern float4 __attribute__((overloadable)) 703rsMatrixMultiply(const rs_matrix4x4 *m, float4 in) { 704 float4 ret; 705 ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + (m->m[12] * in.w); 706 ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + (m->m[13] * in.w); 707 ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + (m->m[14] * in.w); 708 ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + (m->m[15] * in.w); 709 return ret; 710} 711 712extern float4 __attribute__((overloadable)) 713rsMatrixMultiply(const rs_matrix4x4 *m, float3 in) { 714 float4 ret; 715 ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + m->m[12]; 716 ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + m->m[13]; 717 ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + m->m[14]; 718 ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + m->m[15]; 719 return ret; 720} 721 722extern float4 __attribute__((overloadable)) 723rsMatrixMultiply(const rs_matrix4x4 *m, float2 in) { 724 float4 ret; 725 ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + m->m[12]; 726 ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + m->m[13]; 727 ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + m->m[14]; 728 ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + m->m[15]; 729 return ret; 730} 731 732extern float3 __attribute__((overloadable)) 733rsMatrixMultiply(const rs_matrix3x3 *m, float3 in) { 734 float3 ret; 735 ret.x = (m->m[0] * in.x) + (m->m[3] * in.y) + (m->m[6] * in.z); 736 ret.y = (m->m[1] * in.x) + (m->m[4] * in.y) + (m->m[7] * in.z); 737 ret.z = (m->m[2] * in.x) + (m->m[5] * in.y) + (m->m[8] * in.z); 738 return ret; 739} 740 741extern float3 __attribute__((overloadable)) 742rsMatrixMultiply(const rs_matrix3x3 *m, float2 in) { 743 float3 ret; 744 ret.x = (m->m[0] * in.x) + (m->m[3] * in.y); 745 ret.y = (m->m[1] * in.x) + (m->m[4] * in.y); 746 ret.z = (m->m[2] * in.x) + (m->m[5] * in.y); 747 return ret; 748} 749 750/** 751 * Pixel Ops 752 */ 753extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b) 754{ 755 uchar4 c; 756 c.x = (uchar)clamp((r * 255.f + 0.5f), 0.f, 255.f); 757 c.y = (uchar)clamp((g * 255.f + 0.5f), 0.f, 255.f); 758 c.z = (uchar)clamp((b * 255.f + 0.5f), 0.f, 255.f); 759 c.w = 255; 760 return c; 761} 762 763extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b, float a) 764{ 765 uchar4 c; 766 c.x = (uchar)clamp((r * 255.f + 0.5f), 0.f, 255.f); 767 c.y = (uchar)clamp((g * 255.f + 0.5f), 0.f, 255.f); 768 c.z = (uchar)clamp((b * 255.f + 0.5f), 0.f, 255.f); 769 c.w = (uchar)clamp((a * 255.f + 0.5f), 0.f, 255.f); 770 return c; 771} 772 773extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color) 774{ 775 color *= 255.f; 776 color += 0.5f; 777 color = clamp(color, 0.f, 255.f); 778 uchar4 c = {color.x, color.y, color.z, 255}; 779 return c; 780} 781 782extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color) 783{ 784 color *= 255.f; 785 color += 0.5f; 786 color = clamp(color, 0.f, 255.f); 787 uchar4 c = {color.x, color.y, color.z, color.w}; 788 return c; 789} 790