1/* 2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 27/* 28 * FUNCTION 29 * Internal functions for mlib_ImageConv* on D64/F32 type and 30 * MLIB_EDGE_DST_NO_WRITE mask 31 * 32 */ 33 34#include "mlib_image.h" 35#include "mlib_ImageConv.h" 36 37/***************************************************************/ 38/* 39 This define switches between functions of MLIB_DOUBLE and MLIB_FLOAT types: 40 Files mlib_ImageConv_D64nw.c and mlib_ImageConv_F32nw.c 41*/ 42 43/* #define TYPE_DOUBLE */ 44 45/***************************************************************/ 46#ifdef TYPE_DOUBLE 47 48#define CONV_FUNC(KERN) mlib_conv##KERN##nw_d64 49 50#define DTYPE mlib_d64 51 52#else 53 54#define CONV_FUNC(KERN) mlib_conv##KERN##nw_f32 55 56#define DTYPE mlib_f32 57 58#endif /* TYPE_DOUBLE */ 59 60/***************************************************************/ 61#define GET_SRC_DST_PARAMETERS(type) \ 62 mlib_s32 hgt = mlib_ImageGetHeight(src); \ 63 mlib_s32 wid = mlib_ImageGetWidth(src); \ 64 mlib_s32 sll = mlib_ImageGetStride(src) / sizeof(type); \ 65 mlib_s32 dll = mlib_ImageGetStride(dst) / sizeof(type); \ 66 type* adr_src = mlib_ImageGetData(src); \ 67 type* adr_dst = mlib_ImageGetData(dst); \ 68 mlib_s32 chan1 = mlib_ImageGetChannels(src) 69 70/***************************************************************/ 71#define DEF_VARS(type) \ 72 GET_SRC_DST_PARAMETERS(type); \ 73 type *sl; \ 74 type *dl, *dp = NULL; \ 75 mlib_s32 i, j, c 76 77/***************************************************************/ 78#define BUFF_SIZE 1600 79 80#define CACHE_SIZE (64*1024) 81 82static mlib_status mlib_ImageConv1xN(mlib_image *dst, 83 const mlib_image *src, 84 const DTYPE *k, 85 mlib_s32 n, 86 mlib_s32 dn, 87 mlib_s32 cmask) 88{ 89 DTYPE buff[BUFF_SIZE], *pbuff = buff; 90 const DTYPE *pk; 91 DTYPE k0, k1, k2, k3; 92 DTYPE p0, p1, p2, p3, p4; 93 DTYPE *sp, *sl_c, *dl_c, *sl0; 94 DEF_VARS(DTYPE); 95 mlib_s32 off, kh; 96 mlib_s32 l, hsize, max_hsize; 97 98 hgt -= (n - 1); 99 adr_dst += dn*dll; 100 101 max_hsize = (CACHE_SIZE/sizeof(DTYPE))/sll; 102 103 if (!max_hsize) max_hsize = 1; 104 105 if (max_hsize > BUFF_SIZE) { 106 pbuff = mlib_malloc(sizeof(DTYPE)*max_hsize); 107 } 108 109 sl_c = adr_src; 110 dl_c = adr_dst; 111 112 for (l = 0; l < hgt; l += hsize) { 113 hsize = hgt - l; 114 115 if (hsize > max_hsize) hsize = max_hsize; 116 117 for (c = 0; c < chan1; c++) { 118 if (!(cmask & (1 << (chan1 - 1 - c)))) continue; 119 120 sl = sl_c + c; 121 dl = dl_c + c; 122 123#ifdef __SUNPRO_C 124#pragma pipeloop(0) 125#endif /* __SUNPRO_C */ 126 for (j = 0; j < hsize; j++) pbuff[j] = 0.0; 127 128 for (i = 0; i < wid; i++) { 129 sl0 = sl; 130 131 for (off = 0; off < (n - 4); off += 4) { 132 pk = k + off; 133 sp = sl0; 134 135 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 136 p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll]; 137 sp += 3*sll; 138 139#ifdef __SUNPRO_C 140#pragma pipeloop(0) 141#endif /* __SUNPRO_C */ 142 for (j = 0; j < hsize; j += 2) { 143 p0 = p2; p1 = p3; p2 = p4; 144 p3 = sp[0]; 145 p4 = sp[sll]; 146 147 pbuff[j ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; 148 pbuff[j + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; 149 150 sp += 2*sll; 151 } 152 153 sl0 += 4*sll; 154 } 155 156 pk = k + off; 157 sp = sl0; 158 159 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 160 p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll]; 161 162 dp = dl; 163 kh = n - off; 164 165 if (kh == 4) { 166 sp += 3*sll; 167 168#ifdef __SUNPRO_C 169#pragma pipeloop(0) 170#endif /* __SUNPRO_C */ 171 for (j = 0; j <= (hsize - 2); j += 2) { 172 p0 = p2; p1 = p3; p2 = p4; 173 p3 = sp[0]; 174 p4 = sp[sll]; 175 176 dp[0 ] = p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j]; 177 dp[dll] = p1*k0 + p2*k1 + p3*k2 + p4*k3 + pbuff[j + 1]; 178 179 pbuff[j] = 0; 180 pbuff[j + 1] = 0; 181 182 sp += 2*sll; 183 dp += 2*dll; 184 } 185 186 if (j < hsize) { 187 p0 = p2; p1 = p3; p2 = p4; 188 p3 = sp[0]; 189 190 dp[0] = p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j]; 191 192 pbuff[j] = 0; 193 } 194 195 } else if (kh == 3) { 196 sp += 2*sll; 197 198#ifdef __SUNPRO_C 199#pragma pipeloop(0) 200#endif /* __SUNPRO_C */ 201 for (j = 0; j <= (hsize - 2); j += 2) { 202 p0 = p2; p1 = p3; 203 p2 = sp[0]; 204 p3 = sp[sll]; 205 206 dp[0 ] = p0*k0 + p1*k1 + p2*k2 + pbuff[j]; 207 dp[dll] = p1*k0 + p2*k1 + p3*k2 + pbuff[j + 1]; 208 209 pbuff[j] = 0; 210 pbuff[j + 1] = 0; 211 212 sp += 2*sll; 213 dp += 2*dll; 214 } 215 216 if (j < hsize) { 217 p0 = p2; p1 = p3; 218 p2 = sp[0]; 219 220 dp[0] = p0*k0 + p1*k1 + p2*k2 + pbuff[j]; 221 222 pbuff[j] = 0; 223 } 224 225 } else if (kh == 2) { 226 sp += sll; 227 228#ifdef __SUNPRO_C 229#pragma pipeloop(0) 230#endif /* __SUNPRO_C */ 231 for (j = 0; j <= (hsize - 2); j += 2) { 232 p0 = p2; 233 p1 = sp[0]; 234 p2 = sp[sll]; 235 236 dp[0 ] = p0*k0 + p1*k1 + pbuff[j]; 237 dp[dll] = p1*k0 + p2*k1 + pbuff[j + 1]; 238 239 pbuff[j] = 0; 240 pbuff[j + 1] = 0; 241 242 sp += 2*sll; 243 dp += 2*dll; 244 } 245 246 if (j < hsize) { 247 p0 = p2; 248 p1 = sp[0]; 249 250 dp[0] = p0*k0 + p1*k1 + pbuff[j]; 251 252 pbuff[j] = 0; 253 } 254 255 } else /* if (kh == 1) */ { 256#ifdef __SUNPRO_C 257#pragma pipeloop(0) 258#endif /* __SUNPRO_C */ 259 for (j = 0; j < hsize; j++) { 260 p0 = sp[0]; 261 262 dp[0] = p0*k0 + pbuff[j]; 263 264 pbuff[j] = 0; 265 266 sp += sll; 267 dp += dll; 268 } 269 } 270 271 sl += chan1; 272 dl += chan1; 273 } 274 } 275 276 sl_c += max_hsize*sll; 277 dl_c += max_hsize*dll; 278 } 279 280 if (pbuff != buff) mlib_free(pbuff); 281 282 return MLIB_SUCCESS; 283} 284 285/***************************************************************/ 286#define MAX_KER 7 287#define MAX_NM 81 288 289mlib_status CONV_FUNC(MxN)(mlib_image *dst, 290 const mlib_image *src, 291 const mlib_d64 *ker, 292 mlib_s32 m, 293 mlib_s32 n, 294 mlib_s32 dm, 295 mlib_s32 dn, 296 mlib_s32 cmask) 297{ 298 DTYPE k0, k1, k2, k3, k4, k5, k6, *sp; 299 DTYPE p0, p1, p2, p3, p4, p5, p6, p7; 300 mlib_s32 l, off, kw; 301 DEF_VARS(DTYPE); 302 mlib_s32 chan2 = chan1 + chan1; 303 mlib_s32 chan3 = chan1 + chan2; 304 305#ifdef TYPE_DOUBLE 306 const mlib_d64 *k = ker; 307#else 308 mlib_f32 k_arr[MAX_NM], *k = k_arr; 309 310 if (n*m > MAX_NM) { 311 k = mlib_malloc(n*m*sizeof(mlib_f32)); 312 313 if (k == NULL) return MLIB_FAILURE; 314 } 315 316 for (i = 0; i < n*m; i++) k[i] = (mlib_f32)ker[i]; 317#endif /* TYPE_DOUBLE */ 318 319 if (m == 1) return mlib_ImageConv1xN(dst, src, k, n, dn, cmask); 320 321 wid -= (m - 1); 322 hgt -= (n - 1); 323 adr_dst += dn*dll + dm*chan1; 324 325 for (c = 0; c < chan1; c++) { 326 if (!(cmask & (1 << (chan1 - 1 - c)))) continue; 327 328 sl = adr_src + c; 329 dl = adr_dst + c; 330 331 for (j = 0; j < hgt; j++) { 332 const DTYPE *pk = k; 333 334 for (l = 0; l < n; l++) { 335 DTYPE *sp0 = sl + l*sll; 336 337 for (off = 0; off < m; off += kw, pk += kw, sp0 += chan1) { 338 kw = m - off; 339 340 if (kw > 2*MAX_KER) kw = MAX_KER; else 341 if (kw > MAX_KER) kw = kw/2; 342 343 p2 = sp0[0]; p3 = sp0[chan1]; p4 = sp0[chan2]; 344 sp0 += chan3; 345 p5 = sp0[0]; p6 = sp0[chan1]; p7 = sp0[chan2]; 346 347 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 348 k4 = pk[4]; k5 = pk[5]; k6 = pk[6]; 349 350 dp = dl; 351 352 if (kw == 7) { 353 sp = sp0 += chan3; 354 355 if (pk == k) { 356#ifdef __SUNPRO_C 357#pragma pipeloop(0) 358#endif /* __SUNPRO_C */ 359 for (i = 0; i <= (wid - 2); i += 2) { 360 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 361 362 p5 = sp[- chan1]; p6 = sp[0]; p7 = sp[chan1]; 363 364 dp[0 ] = p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6; 365 dp[chan1] = p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6; 366 367 sp += chan2; 368 dp += chan2; 369 } 370 371 } else { 372#ifdef __SUNPRO_C 373#pragma pipeloop(0) 374#endif /* __SUNPRO_C */ 375 for (i = 0; i <= (wid - 2); i += 2) { 376 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 377 378 p5 = sp[- chan1]; p6 = sp[0]; p7 = sp[chan1]; 379 380 dp[0 ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6; 381 dp[chan1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6; 382 383 sp += chan2; 384 dp += chan2; 385 } 386 } 387 388 } else if (kw == 6) { 389 sp = sp0 += chan2; 390 391 if (pk == k) { 392#ifdef __SUNPRO_C 393#pragma pipeloop(0) 394#endif /* __SUNPRO_C */ 395 for (i = 0; i <= (wid - 2); i += 2) { 396 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 397 398 p5 = sp[0]; p6 = sp[chan1]; 399 400 dp[0 ] = p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5; 401 dp[chan1] = p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5; 402 403 sp += chan2; 404 dp += chan2; 405 } 406 407 } else { 408#ifdef __SUNPRO_C 409#pragma pipeloop(0) 410#endif /* __SUNPRO_C */ 411 for (i = 0; i <= (wid - 2); i += 2) { 412 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 413 414 p5 = sp[0]; p6 = sp[chan1]; 415 416 dp[0 ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5; 417 dp[chan1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5; 418 419 sp += chan2; 420 dp += chan2; 421 } 422 } 423 424 } else if (kw == 5) { 425 sp = sp0 += chan1; 426 427 if (pk == k) { 428#ifdef __SUNPRO_C 429#pragma pipeloop(0) 430#endif /* __SUNPRO_C */ 431 for (i = 0; i <= (wid - 2); i += 2) { 432 p0 = p2; p1 = p3; p2 = p4; p3 = p5; 433 434 p4 = sp[0]; p5 = sp[chan1]; 435 436 dp[0 ] = p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4; 437 dp[chan1] = p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4; 438 439 sp += chan2; 440 dp += chan2; 441 } 442 443 } else { 444#ifdef __SUNPRO_C 445#pragma pipeloop(0) 446#endif /* __SUNPRO_C */ 447 for (i = 0; i <= (wid - 2); i += 2) { 448 p0 = p2; p1 = p3; p2 = p4; p3 = p5; 449 450 p4 = sp[0]; p5 = sp[chan1]; 451 452 dp[0 ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4; 453 dp[chan1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4; 454 455 sp += chan2; 456 dp += chan2; 457 } 458 } 459 460 } else if (kw == 4) { 461 462 sp = sp0; 463 464 if (pk == k) { 465#ifdef __SUNPRO_C 466#pragma pipeloop(0) 467#endif /* __SUNPRO_C */ 468 for (i = 0; i <= (wid - 2); i += 2) { 469 p0 = p2; p1 = p3; p2 = p4; 470 471 p3 = sp[0]; p4 = sp[chan1]; 472 473 dp[0 ] = p0*k0 + p1*k1 + p2*k2 + p3*k3; 474 dp[chan1] = p1*k0 + p2*k1 + p3*k2 + p4*k3; 475 476 sp += chan2; 477 dp += chan2; 478 } 479 480 } else { 481#ifdef __SUNPRO_C 482#pragma pipeloop(0) 483#endif /* __SUNPRO_C */ 484 for (i = 0; i <= (wid - 2); i += 2) { 485 p0 = p2; p1 = p3; p2 = p4; 486 487 p3 = sp[0]; p4 = sp[chan1]; 488 489 dp[0 ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; 490 dp[chan1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; 491 492 sp += chan2; 493 dp += chan2; 494 } 495 } 496 497 } else if (kw == 3) { 498 sp = sp0 -= chan1; 499 500 if (pk == k) { 501#ifdef __SUNPRO_C 502#pragma pipeloop(0) 503#endif /* __SUNPRO_C */ 504 for (i = 0; i <= (wid - 2); i += 2) { 505 p0 = p2; p1 = p3; 506 507 p2 = sp[0]; p3 = sp[chan1]; 508 509 dp[0 ] = p0*k0 + p1*k1 + p2*k2; 510 dp[chan1] = p1*k0 + p2*k1 + p3*k2; 511 512 sp += chan2; 513 dp += chan2; 514 } 515 516 } else { 517#ifdef __SUNPRO_C 518#pragma pipeloop(0) 519#endif /* __SUNPRO_C */ 520 for (i = 0; i <= (wid - 2); i += 2) { 521 p0 = p2; p1 = p3; 522 523 p2 = sp[0]; p3 = sp[chan1]; 524 525 dp[0 ] += p0*k0 + p1*k1 + p2*k2; 526 dp[chan1] += p1*k0 + p2*k1 + p3*k2; 527 528 sp += chan2; 529 dp += chan2; 530 } 531 } 532 533 } else { /* kw == 2 */ 534 sp = sp0 -= chan2; 535 536 if (pk == k) { 537#ifdef __SUNPRO_C 538#pragma pipeloop(0) 539#endif /* __SUNPRO_C */ 540 for (i = 0; i <= (wid - 2); i += 2) { 541 p0 = p2; 542 543 p1 = sp[0]; p2 = sp[chan1]; 544 545 dp[0 ] = p0*k0 + p1*k1; 546 dp[chan1] = p1*k0 + p2*k1; 547 548 sp += chan2; 549 dp += chan2; 550 } 551 552 } else { 553#ifdef __SUNPRO_C 554#pragma pipeloop(0) 555#endif /* __SUNPRO_C */ 556 for (i = 0; i <= (wid - 2); i += 2) { 557 p0 = p2; 558 559 p1 = sp[0]; p2 = sp[chan1]; 560 561 dp[0 ] += p0*k0 + p1*k1; 562 dp[chan1] += p1*k0 + p2*k1; 563 564 sp += chan2; 565 dp += chan2; 566 } 567 } 568 } 569 } 570 } 571 572 /* last pixels */ 573 574 if (wid & 1) { 575 DTYPE *sp0 = sl + i*chan1, s = 0; 576 const DTYPE *pk = k; 577 mlib_s32 x; 578 579 for (l = 0; l < n; l++) { 580 DTYPE *sp = sp0 + l*sll; 581 582 for (x = 0; x < m; x++) s += sp[x*chan1] * (*pk++); 583 } 584 585 dp[0] = s; 586 } 587 588 /* next line */ 589 sl += sll; 590 dl += dll; 591 } 592 } 593 594#ifndef TYPE_DOUBLE 595 596 if (k != k_arr) mlib_free(k); 597#endif /* TYPE_DOUBLE */ 598 599 return MLIB_SUCCESS; 600} 601 602/***************************************************************/ 603