1/* 2 * Copyright (c) 2000, 2013, 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 U8/S16/U16 types and 30 * MLIB_EDGE_DST_NO_WRITE mask 31 */ 32 33#include "mlib_image.h" 34#include "mlib_c_ImageConv.h" 35 36/* 37 This define switches between functions of different data types 38*/ 39#define IMG_TYPE 2 40 41/***************************************************************/ 42#if IMG_TYPE == 1 43 44#define DTYPE mlib_u8 45#define CONV_FUNC(KERN) mlib_c_conv##KERN##nw_u8 46#define CONV_FUNC_I(KERN) mlib_i_conv##KERN##nw_u8 47#define DSCALE (1 << 24) 48#define FROM_S32(x) (((x) >> 24) ^ 128) 49#define S64TOS32(x) (x) 50#define SAT_OFF -(1u << 31) 51 52#elif IMG_TYPE == 2 53 54#define DTYPE mlib_s16 55#define CONV_FUNC(KERN) mlib_conv##KERN##nw_s16 56#define CONV_FUNC_I(KERN) mlib_i_conv##KERN##nw_s16 57#define DSCALE 65536.0 58#define FROM_S32(x) ((x) >> 16) 59#define S64TOS32(x) ((x) & 0xffffffff) 60#define SAT_OFF 61 62#elif IMG_TYPE == 3 63 64#define DTYPE mlib_u16 65#define CONV_FUNC(KERN) mlib_conv##KERN##nw_u16 66#define CONV_FUNC_I(KERN) mlib_i_conv##KERN##nw_u16 67#define DSCALE 65536.0 68#define FROM_S32(x) (((x) >> 16) ^ 0x8000) 69#define S64TOS32(x) (x) 70#define SAT_OFF -(1u << 31) 71 72#endif /* IMG_TYPE == 1 */ 73 74/***************************************************************/ 75#define BUFF_SIZE 1600 76 77#define CACHE_SIZE (64*1024) 78 79/***************************************************************/ 80#define FTYPE mlib_d64 81 82#ifndef MLIB_USE_FTOI_CLAMPING 83 84#define CLAMP_S32(x) \ 85 (((x) <= MLIB_S32_MIN) ? MLIB_S32_MIN : (((x) >= MLIB_S32_MAX) ? MLIB_S32_MAX : (mlib_s32)(x))) 86 87#else 88 89#define CLAMP_S32(x) ((mlib_s32)(x)) 90 91#endif /* MLIB_USE_FTOI_CLAMPING */ 92 93/***************************************************************/ 94#define D2I(x) CLAMP_S32((x) SAT_OFF) 95 96/***************************************************************/ 97#ifdef _LITTLE_ENDIAN 98 99#define STORE2(res0, res1) \ 100 dp[0 ] = res1; \ 101 dp[chan1] = res0 102 103#else 104 105#define STORE2(res0, res1) \ 106 dp[0 ] = res0; \ 107 dp[chan1] = res1 108 109#endif /* _LITTLE_ENDIAN */ 110 111/***************************************************************/ 112#ifdef _NO_LONGLONG 113 114#define LOAD_BUFF(buff) \ 115 buff[i ] = sp[0]; \ 116 buff[i + 1] = sp[chan1] 117 118#else /* _NO_LONGLONG */ 119 120#ifdef _LITTLE_ENDIAN 121 122#define LOAD_BUFF(buff) \ 123 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) | S64TOS32((mlib_s64)sp[0]) 124 125#else /* _LITTLE_ENDIAN */ 126 127#define LOAD_BUFF(buff) \ 128 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[0]) << 32) | S64TOS32((mlib_s64)sp[chan1]) 129 130#endif /* _LITTLE_ENDIAN */ 131#endif /* _NO_LONGLONG */ 132 133/***************************************************************/ 134typedef union { 135 mlib_d64 d64; 136 struct { 137 mlib_s32 i0; 138 mlib_s32 i1; 139 } i32s; 140 struct { 141 mlib_s32 f0; 142 mlib_s32 f1; 143 } f32s; 144} d64_2x32; 145 146/***************************************************************/ 147#define DEF_VARS(type) \ 148 type *adr_src, *sl, *sp = NULL; \ 149 type *adr_dst, *dl, *dp = NULL; \ 150 FTYPE *pbuff = buff; \ 151 mlib_s32 wid, hgt, sll, dll; \ 152 mlib_s32 nchannel, chan1; \ 153 mlib_s32 i, j, c 154 155/***************************************************************/ 156#define GET_SRC_DST_PARAMETERS(type) \ 157 hgt = mlib_ImageGetHeight(src); \ 158 wid = mlib_ImageGetWidth(src); \ 159 nchannel = mlib_ImageGetChannels(src); \ 160 sll = mlib_ImageGetStride(src) / sizeof(type); \ 161 dll = mlib_ImageGetStride(dst) / sizeof(type); \ 162 adr_src = (type *)mlib_ImageGetData(src); \ 163 adr_dst = (type *)mlib_ImageGetData(dst) 164 165/***************************************************************/ 166#ifndef __sparc 167 168#if IMG_TYPE == 1 169 170/* Test for the presence of any "1" bit in bits 171 8 to 31 of val. If present, then val is either 172 negative or >255. If over/underflows of 8 bits 173 are uncommon, then this technique can be a win, 174 since only a single test, rather than two, is 175 necessary to determine if clamping is needed. 176 On the other hand, if over/underflows are common, 177 it adds an extra test. 178*/ 179#define CLAMP_STORE(dst, val) \ 180 if (val & 0xffffff00) { \ 181 if (val < MLIB_U8_MIN) \ 182 dst = MLIB_U8_MIN; \ 183 else \ 184 dst = MLIB_U8_MAX; \ 185 } else { \ 186 dst = (mlib_u8)val; \ 187 } 188 189#elif IMG_TYPE == 2 190 191#define CLAMP_STORE(dst, val) \ 192 if (val >= MLIB_S16_MAX) \ 193 dst = MLIB_S16_MAX; \ 194 else if (val <= MLIB_S16_MIN) \ 195 dst = MLIB_S16_MIN; \ 196 else \ 197 dst = (mlib_s16)val 198 199#elif IMG_TYPE == 3 200 201#define CLAMP_STORE(dst, val) \ 202 if (val >= MLIB_U16_MAX) \ 203 dst = MLIB_U16_MAX; \ 204 else if (val <= MLIB_U16_MIN) \ 205 dst = MLIB_U16_MIN; \ 206 else \ 207 dst = (mlib_u16)val 208 209#endif /* IMG_TYPE == 1 */ 210#endif /* __sparc */ 211 212/***************************************************************/ 213#define MAX_KER 7 214#define MAX_N 15 215 216static mlib_status mlib_ImageConv1xN(mlib_image *dst, 217 const mlib_image *src, 218 const mlib_d64 *k, 219 mlib_s32 n, 220 mlib_s32 dn, 221 mlib_s32 cmask) 222{ 223 FTYPE buff[BUFF_SIZE]; 224 mlib_s32 off, kh; 225 mlib_s32 d0, d1; 226 const FTYPE *pk; 227 FTYPE k0, k1, k2, k3; 228 FTYPE p0, p1, p2, p3, p4; 229 DEF_VARS(DTYPE); 230 DTYPE *sl_c, *dl_c, *sl0; 231 mlib_s32 l, hsize, max_hsize; 232 GET_SRC_DST_PARAMETERS(DTYPE); 233 234 hgt -= (n - 1); 235 adr_dst += dn*dll; 236 237 max_hsize = (CACHE_SIZE/sizeof(DTYPE))/sll; 238 239 if (!max_hsize) max_hsize = 1; 240 241 if (max_hsize > BUFF_SIZE) { 242 pbuff = mlib_malloc(sizeof(FTYPE)*max_hsize); 243 } 244 245 chan1 = nchannel; 246 247 sl_c = adr_src; 248 dl_c = adr_dst; 249 250 for (l = 0; l < hgt; l += hsize) { 251 hsize = hgt - l; 252 253 if (hsize > max_hsize) hsize = max_hsize; 254 255 for (c = 0; c < nchannel; c++) { 256 if (!(cmask & (1 << (chan1 - 1 - c)))) continue; 257 258 sl = sl_c + c; 259 dl = dl_c + c; 260 261#ifdef __SUNPRO_C 262#pragma pipeloop(0) 263#endif /* __SUNPRO_C */ 264 for (j = 0; j < hsize; j++) pbuff[j] = 0.0; 265 266 for (i = 0; i < wid; i++) { 267 sl0 = sl; 268 269 for (off = 0; off < (n - 4); off += 4) { 270 pk = k + off; 271 sp = sl0; 272 273 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 274 p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll]; 275 sp += 3*sll; 276 277#ifdef __SUNPRO_C 278#pragma pipeloop(0) 279#endif /* __SUNPRO_C */ 280 for (j = 0; j < hsize; j += 2) { 281 p0 = p2; p1 = p3; p2 = p4; 282 p3 = sp[0]; 283 p4 = sp[sll]; 284 285 pbuff[j ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; 286 pbuff[j + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; 287 288 sp += 2*sll; 289 } 290 291 sl0 += 4*sll; 292 } 293 294 pk = k + off; 295 sp = sl0; 296 297 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 298 p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll]; 299 300 dp = dl; 301 kh = n - off; 302 303 if (kh == 4) { 304 sp += 3*sll; 305 306#ifdef __SUNPRO_C 307#pragma pipeloop(0) 308#endif /* __SUNPRO_C */ 309 for (j = 0; j <= (hsize - 2); j += 2) { 310 p0 = p2; p1 = p3; p2 = p4; 311 p3 = sp[0]; 312 p4 = sp[sll]; 313 314 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j]); 315 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + pbuff[j + 1]); 316 317 dp[0 ] = FROM_S32(d0); 318 dp[dll] = FROM_S32(d1); 319 320 pbuff[j] = 0; 321 pbuff[j + 1] = 0; 322 323 sp += 2*sll; 324 dp += 2*dll; 325 } 326 327 if (j < hsize) { 328 p0 = p2; p1 = p3; p2 = p4; 329 p3 = sp[0]; 330 331 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j]); 332 333 pbuff[j] = 0; 334 335 dp[0] = FROM_S32(d0); 336 } 337 338 } else if (kh == 3) { 339 sp += 2*sll; 340 341#ifdef __SUNPRO_C 342#pragma pipeloop(0) 343#endif /* __SUNPRO_C */ 344 for (j = 0; j <= (hsize - 2); j += 2) { 345 p0 = p2; p1 = p3; 346 p2 = sp[0]; 347 p3 = sp[sll]; 348 349 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + pbuff[j]); 350 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + pbuff[j + 1]); 351 352 dp[0 ] = FROM_S32(d0); 353 dp[dll] = FROM_S32(d1); 354 355 pbuff[j] = 0; 356 pbuff[j + 1] = 0; 357 358 sp += 2*sll; 359 dp += 2*dll; 360 } 361 362 if (j < hsize) { 363 p0 = p2; p1 = p3; 364 p2 = sp[0]; 365 366 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + pbuff[j]); 367 368 pbuff[j] = 0; 369 370 dp[0] = FROM_S32(d0); 371 } 372 373 } else if (kh == 2) { 374 sp += sll; 375 376#ifdef __SUNPRO_C 377#pragma pipeloop(0) 378#endif /* __SUNPRO_C */ 379 for (j = 0; j <= (hsize - 2); j += 2) { 380 p0 = p2; 381 p1 = sp[0]; 382 p2 = sp[sll]; 383 384 d0 = D2I(p0*k0 + p1*k1 + pbuff[j]); 385 d1 = D2I(p1*k0 + p2*k1 + pbuff[j + 1]); 386 387 dp[0 ] = FROM_S32(d0); 388 dp[dll] = FROM_S32(d1); 389 390 pbuff[j] = 0; 391 pbuff[j + 1] = 0; 392 393 sp += 2*sll; 394 dp += 2*dll; 395 } 396 397 if (j < hsize) { 398 p0 = p2; 399 p1 = sp[0]; 400 401 d0 = D2I(p0*k0 + p1*k1 + pbuff[j]); 402 403 pbuff[j] = 0; 404 405 dp[0] = FROM_S32(d0); 406 } 407 408 } else /* if (kh == 1) */ { 409#ifdef __SUNPRO_C 410#pragma pipeloop(0) 411#endif /* __SUNPRO_C */ 412 for (j = 0; j < hsize; j++) { 413 p0 = sp[0]; 414 415 d0 = D2I(p0*k0 + pbuff[j]); 416 417 dp[0] = FROM_S32(d0); 418 419 pbuff[j] = 0; 420 421 sp += sll; 422 dp += dll; 423 } 424 } 425 426 sl += chan1; 427 dl += chan1; 428 } 429 } 430 431 sl_c += max_hsize*sll; 432 dl_c += max_hsize*dll; 433 } 434 435 if (pbuff != buff) mlib_free(pbuff); 436 437 return MLIB_SUCCESS; 438} 439 440/***************************************************************/ 441mlib_status CONV_FUNC(MxN)(mlib_image *dst, 442 const mlib_image *src, 443 const mlib_s32 *kernel, 444 mlib_s32 m, 445 mlib_s32 n, 446 mlib_s32 dm, 447 mlib_s32 dn, 448 mlib_s32 scale, 449 mlib_s32 cmask) 450{ 451 FTYPE buff[BUFF_SIZE], *buffs_arr[2*(MAX_N + 1)]; 452 FTYPE **buffs = buffs_arr, *buffd; 453 FTYPE akernel[256], *k = akernel, fscale = DSCALE; 454 mlib_s32 mn, l, off, kw, bsize, buff_ind; 455 mlib_s32 d0, d1; 456 FTYPE k0, k1, k2, k3, k4, k5, k6; 457 FTYPE p0, p1, p2, p3, p4, p5, p6, p7; 458 d64_2x32 dd; 459 DEF_VARS(DTYPE); 460 mlib_s32 chan2; 461 mlib_s32 *buffo, *buffi; 462 mlib_status status = MLIB_SUCCESS; 463 464 GET_SRC_DST_PARAMETERS(DTYPE); 465 466 if (scale > 30) { 467 fscale *= 1.0/(1 << 30); 468 scale -= 30; 469 } 470 471 fscale /= (1 << scale); 472 473 mn = m*n; 474 475 if (mn > 256) { 476 k = mlib_malloc(mn*sizeof(mlib_d64)); 477 478 if (k == NULL) return MLIB_FAILURE; 479 } 480 481 for (i = 0; i < mn; i++) { 482 k[i] = kernel[i]*fscale; 483 } 484 485 if (m == 1) { 486 status = mlib_ImageConv1xN(dst, src, k, n, dn, cmask); 487 FREE_AND_RETURN_STATUS; 488 } 489 490 bsize = (n + 3)*wid; 491 492 if ((bsize > BUFF_SIZE) || (n > MAX_N)) { 493 pbuff = mlib_malloc(sizeof(FTYPE)*bsize + sizeof(FTYPE *)*2*(n + 1)); 494 495 if (pbuff == NULL) { 496 status = MLIB_FAILURE; 497 FREE_AND_RETURN_STATUS; 498 } 499 buffs = (FTYPE **)(pbuff + bsize); 500 } 501 502 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*wid; 503 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l]; 504 buffd = buffs[n] + wid; 505 buffo = (mlib_s32*)(buffd + wid); 506 buffi = buffo + (wid &~ 1); 507 508 chan1 = nchannel; 509 chan2 = chan1 + chan1; 510 511 wid -= (m - 1); 512 hgt -= (n - 1); 513 adr_dst += dn*dll + dm*nchannel; 514 515 for (c = 0; c < nchannel; c++) { 516 if (!(cmask & (1 << (chan1 - 1 - c)))) continue; 517 518 sl = adr_src + c; 519 dl = adr_dst + c; 520 521 for (l = 0; l < n; l++) { 522 FTYPE *buff = buffs[l]; 523 524#ifdef __SUNPRO_C 525#pragma pipeloop(0) 526#endif /* __SUNPRO_C */ 527 for (i = 0; i < wid + (m - 1); i++) { 528 buff[i] = (FTYPE)sl[i*chan1]; 529 } 530 531 sl += sll; 532 } 533 534 buff_ind = 0; 535 536#ifdef __SUNPRO_C 537#pragma pipeloop(0) 538#endif /* __SUNPRO_C */ 539 for (i = 0; i < wid; i++) buffd[i] = 0.0; 540 541 for (j = 0; j < hgt; j++) { 542 FTYPE **buffc = buffs + buff_ind; 543 FTYPE *buffn = buffc[n]; 544 FTYPE *pk = k; 545 546 for (l = 0; l < n; l++) { 547 FTYPE *buff_l = buffc[l]; 548 549 for (off = 0; off < m;) { 550 FTYPE *buff = buff_l + off; 551 552 kw = m - off; 553 554 if (kw > 2*MAX_KER) kw = MAX_KER; else 555 if (kw > MAX_KER) kw = kw/2; 556 off += kw; 557 558 sp = sl; 559 dp = dl; 560 561 p2 = buff[0]; p3 = buff[1]; p4 = buff[2]; 562 p5 = buff[3]; p6 = buff[4]; p7 = buff[5]; 563 564 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 565 k4 = pk[4]; k5 = pk[5]; k6 = pk[6]; 566 pk += kw; 567 568 if (kw == 7) { 569 570 if (l < (n - 1) || off < m) { 571#ifdef __SUNPRO_C 572#pragma pipeloop(0) 573#endif /* __SUNPRO_C */ 574 for (i = 0; i <= (wid - 2); i += 2) { 575 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7; 576 577 p6 = buff[i + 6]; p7 = buff[i + 7]; 578 579 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6; 580 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6; 581 } 582 583 } else { 584#ifdef __SUNPRO_C 585#pragma pipeloop(0) 586#endif /* __SUNPRO_C */ 587 for (i = 0; i <= (wid - 2); i += 2) { 588 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7; 589 590 p6 = buff[i + 6]; p7 = buff[i + 7]; 591 592 LOAD_BUFF(buffi); 593 594 dd.d64 = *(FTYPE *)(buffi + i); 595 buffn[i ] = (FTYPE)dd.i32s.i0; 596 buffn[i + 1] = (FTYPE)dd.i32s.i1; 597 598 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]); 599 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]); 600 601 dp[0 ] = FROM_S32(d0); 602 dp[chan1] = FROM_S32(d1); 603 604 buffd[i ] = 0.0; 605 buffd[i + 1] = 0.0; 606 607 sp += chan2; 608 dp += chan2; 609 } 610 } 611 612 } else if (kw == 6) { 613 614 if (l < (n - 1) || off < m) { 615#ifdef __SUNPRO_C 616#pragma pipeloop(0) 617#endif /* __SUNPRO_C */ 618 for (i = 0; i <= (wid - 2); i += 2) { 619 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 620 621 p5 = buff[i + 5]; p6 = buff[i + 6]; 622 623 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5; 624 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5; 625 } 626 627 } else { 628#ifdef __SUNPRO_C 629#pragma pipeloop(0) 630#endif /* __SUNPRO_C */ 631 for (i = 0; i <= (wid - 2); i += 2) { 632 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 633 634 p5 = buff[i + 5]; p6 = buff[i + 6]; 635 636 buffn[i ] = (FTYPE)sp[0]; 637 buffn[i + 1] = (FTYPE)sp[chan1]; 638 639 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]); 640 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]); 641 642 dp[0 ] = FROM_S32(d0); 643 dp[chan1] = FROM_S32(d1); 644 645 buffd[i ] = 0.0; 646 buffd[i + 1] = 0.0; 647 648 sp += chan2; 649 dp += chan2; 650 } 651 } 652 653 } else if (kw == 5) { 654 655 if (l < (n - 1) || off < m) { 656#ifdef __SUNPRO_C 657#pragma pipeloop(0) 658#endif /* __SUNPRO_C */ 659 for (i = 0; i <= (wid - 2); i += 2) { 660 p0 = p2; p1 = p3; p2 = p4; p3 = p5; 661 662 p4 = buff[i + 4]; p5 = buff[i + 5]; 663 664 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4; 665 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4; 666 } 667 668 } else { 669#ifdef __SUNPRO_C 670#pragma pipeloop(0) 671#endif /* __SUNPRO_C */ 672 for (i = 0; i <= (wid - 2); i += 2) { 673 p0 = p2; p1 = p3; p2 = p4; p3 = p5; 674 675 p4 = buff[i + 4]; p5 = buff[i + 5]; 676 677 buffn[i ] = (FTYPE)sp[0]; 678 buffn[i + 1] = (FTYPE)sp[chan1]; 679 680 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]); 681 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]); 682 683 dp[0 ] = FROM_S32(d0); 684 dp[chan1] = FROM_S32(d1); 685 686 buffd[i ] = 0.0; 687 buffd[i + 1] = 0.0; 688 689 sp += chan2; 690 dp += chan2; 691 } 692 } 693 694 } else if (kw == 4) { 695 696 if (l < (n - 1) || off < m) { 697#ifdef __SUNPRO_C 698#pragma pipeloop(0) 699#endif /* __SUNPRO_C */ 700 for (i = 0; i <= (wid - 2); i += 2) { 701 p0 = p2; p1 = p3; p2 = p4; 702 703 p3 = buff[i + 3]; p4 = buff[i + 4]; 704 705 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; 706 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; 707 } 708 709 } else { 710#ifdef __SUNPRO_C 711#pragma pipeloop(0) 712#endif /* __SUNPRO_C */ 713 for (i = 0; i <= (wid - 2); i += 2) { 714 p0 = p2; p1 = p3; p2 = p4; 715 716 p3 = buff[i + 3]; p4 = buff[i + 4]; 717 718 buffn[i ] = (FTYPE)sp[0]; 719 buffn[i + 1] = (FTYPE)sp[chan1]; 720 721 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]); 722 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]); 723 724 dp[0 ] = FROM_S32(d0); 725 dp[chan1] = FROM_S32(d1); 726 727 buffd[i ] = 0.0; 728 buffd[i + 1] = 0.0; 729 730 sp += chan2; 731 dp += chan2; 732 } 733 } 734 735 } else if (kw == 3) { 736 737 if (l < (n - 1) || off < m) { 738#ifdef __SUNPRO_C 739#pragma pipeloop(0) 740#endif /* __SUNPRO_C */ 741 for (i = 0; i <= (wid - 2); i += 2) { 742 p0 = p2; p1 = p3; 743 744 p2 = buff[i + 2]; p3 = buff[i + 3]; 745 746 buffd[i ] += p0*k0 + p1*k1 + p2*k2; 747 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2; 748 } 749 750 } else { 751#ifdef __SUNPRO_C 752#pragma pipeloop(0) 753#endif /* __SUNPRO_C */ 754 for (i = 0; i <= (wid - 2); i += 2) { 755 p0 = p2; p1 = p3; 756 757 p2 = buff[i + 2]; p3 = buff[i + 3]; 758 759 buffn[i ] = (FTYPE)sp[0]; 760 buffn[i + 1] = (FTYPE)sp[chan1]; 761 762 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ]); 763 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]); 764 765 dp[0 ] = FROM_S32(d0); 766 dp[chan1] = FROM_S32(d1); 767 768 buffd[i ] = 0.0; 769 buffd[i + 1] = 0.0; 770 771 sp += chan2; 772 dp += chan2; 773 } 774 } 775 776 } else /*if (kw == 2)*/ { 777 778 if (l < (n - 1) || off < m) { 779#ifdef __SUNPRO_C 780#pragma pipeloop(0) 781#endif /* __SUNPRO_C */ 782 for (i = 0; i <= (wid - 2); i += 2) { 783 p0 = p2; 784 785 p1 = buff[i + 1]; p2 = buff[i + 2]; 786 787 buffd[i ] += p0*k0 + p1*k1; 788 buffd[i + 1] += p1*k0 + p2*k1; 789 } 790 791 } else { 792#ifdef __SUNPRO_C 793#pragma pipeloop(0) 794#endif /* __SUNPRO_C */ 795 for (i = 0; i <= (wid - 2); i += 2) { 796 p0 = p2; 797 798 p1 = buff[i + 1]; p2 = buff[i + 2]; 799 800 buffn[i ] = (FTYPE)sp[0]; 801 buffn[i + 1] = (FTYPE)sp[chan1]; 802 803 d0 = D2I(p0*k0 + p1*k1 + buffd[i ]); 804 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1]); 805 806 dp[0 ] = FROM_S32(d0); 807 dp[chan1] = FROM_S32(d1); 808 809 buffd[i ] = 0.0; 810 buffd[i + 1] = 0.0; 811 812 sp += chan2; 813 dp += chan2; 814 } 815 } 816 } 817 } 818 } 819 820 /* last pixels */ 821 for (; i < wid; i++) { 822 FTYPE *pk = k, s = 0; 823 mlib_s32 x, d0; 824 825 for (l = 0; l < n; l++) { 826 FTYPE *buff = buffc[l] + i; 827 828 for (x = 0; x < m; x++) s += buff[x] * (*pk++); 829 } 830 831 d0 = D2I(s); 832 dp[0] = FROM_S32(d0); 833 834 buffn[i] = (FTYPE)sp[0]; 835 836 sp += chan1; 837 dp += chan1; 838 } 839 840 for (l = 0; l < (m - 1); l++) buffn[wid + l] = sp[l*chan1]; 841 842 /* next line */ 843 sl += sll; 844 dl += dll; 845 846 buff_ind++; 847 848 if (buff_ind >= n + 1) buff_ind = 0; 849 } 850 } 851 852 FREE_AND_RETURN_STATUS; 853} 854 855/***************************************************************/ 856#ifndef __sparc /* for x86, using integer multiplies is faster */ 857 858#define STORE_RES(res, x) \ 859 x >>= shift2; \ 860 CLAMP_STORE(res, x) 861 862mlib_status CONV_FUNC_I(MxN)(mlib_image *dst, 863 const mlib_image *src, 864 const mlib_s32 *kernel, 865 mlib_s32 m, 866 mlib_s32 n, 867 mlib_s32 dm, 868 mlib_s32 dn, 869 mlib_s32 scale, 870 mlib_s32 cmask) 871{ 872 mlib_s32 buff[BUFF_SIZE], *buffd = buff; 873 mlib_s32 l, off, kw; 874 mlib_s32 d0, d1, shift1, shift2; 875 mlib_s32 k0, k1, k2, k3, k4, k5, k6; 876 mlib_s32 p0, p1, p2, p3, p4, p5, p6, p7; 877 DTYPE *adr_src, *sl, *sp = NULL; 878 DTYPE *adr_dst, *dl, *dp = NULL; 879 mlib_s32 wid, hgt, sll, dll; 880 mlib_s32 nchannel, chan1; 881 mlib_s32 i, j, c; 882 mlib_s32 chan2; 883 mlib_s32 k_locl[MAX_N*MAX_N], *k = k_locl; 884 GET_SRC_DST_PARAMETERS(DTYPE); 885 886#if IMG_TYPE != 1 887 shift1 = 16; 888#else 889 shift1 = 8; 890#endif /* IMG_TYPE != 1 */ 891 shift2 = scale - shift1; 892 893 chan1 = nchannel; 894 chan2 = chan1 + chan1; 895 896 wid -= (m - 1); 897 hgt -= (n - 1); 898 adr_dst += dn*dll + dm*nchannel; 899 900 if (wid > BUFF_SIZE) { 901 buffd = mlib_malloc(sizeof(mlib_s32)*wid); 902 903 if (buffd == NULL) return MLIB_FAILURE; 904 } 905 906 if (m*n > MAX_N*MAX_N) { 907 k = mlib_malloc(sizeof(mlib_s32)*(m*n)); 908 909 if (k == NULL) { 910 if (buffd != buff) mlib_free(buffd); 911 return MLIB_FAILURE; 912 } 913 } 914 915 for (i = 0; i < m*n; i++) { 916 k[i] = kernel[i] >> shift1; 917 } 918 919 for (c = 0; c < nchannel; c++) { 920 if (!(cmask & (1 << (nchannel - 1 - c)))) continue; 921 922 sl = adr_src + c; 923 dl = adr_dst + c; 924 925#ifdef __SUNPRO_C 926#pragma pipeloop(0) 927#endif /* __SUNPRO_C */ 928 for (i = 0; i < wid; i++) buffd[i] = 0; 929 930 for (j = 0; j < hgt; j++) { 931 mlib_s32 *pk = k; 932 933 for (l = 0; l < n; l++) { 934 DTYPE *sp0 = sl + l*sll; 935 936 for (off = 0; off < m;) { 937 sp = sp0 + off*chan1; 938 dp = dl; 939 940 kw = m - off; 941 942 if (kw > 2*MAX_KER) kw = MAX_KER; else 943 if (kw > MAX_KER) kw = kw/2; 944 off += kw; 945 946 p2 = sp[0]; p3 = sp[chan1]; p4 = sp[chan2]; 947 p5 = sp[chan2 + chan1]; p6 = sp[chan2 + chan2]; p7 = sp[5*chan1]; 948 949 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3]; 950 k4 = pk[4]; k5 = pk[5]; k6 = pk[6]; 951 pk += kw; 952 953 sp += (kw - 1)*chan1; 954 955 if (kw == 7) { 956 957 if (l < (n - 1) || off < m) { 958#ifdef __SUNPRO_C 959#pragma pipeloop(0) 960#endif /* __SUNPRO_C */ 961 for (i = 0; i <= (wid - 2); i += 2) { 962 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7; 963 p6 = sp[0]; 964 p7 = sp[chan1]; 965 966 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6; 967 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6; 968 969 sp += chan2; 970 } 971 972 } else { 973#ifdef __SUNPRO_C 974#pragma pipeloop(0) 975#endif /* __SUNPRO_C */ 976 for (i = 0; i <= (wid - 2); i += 2) { 977 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7; 978 p6 = sp[0]; 979 p7 = sp[chan1]; 980 981 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]); 982 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]); 983 984 STORE_RES(dp[0 ], d0); 985 STORE_RES(dp[chan1], d1); 986 987 buffd[i ] = 0; 988 buffd[i + 1] = 0; 989 990 sp += chan2; 991 dp += chan2; 992 } 993 } 994 995 } else if (kw == 6) { 996 997 if (l < (n - 1) || off < m) { 998#ifdef __SUNPRO_C 999#pragma pipeloop(0) 1000#endif /* __SUNPRO_C */ 1001 for (i = 0; i <= (wid - 2); i += 2) { 1002 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 1003 p5 = sp[0]; 1004 p6 = sp[chan1]; 1005 1006 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5; 1007 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5; 1008 1009 sp += chan2; 1010 } 1011 1012 } else { 1013#ifdef __SUNPRO_C 1014#pragma pipeloop(0) 1015#endif /* __SUNPRO_C */ 1016 for (i = 0; i <= (wid - 2); i += 2) { 1017 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; 1018 p5 = sp[0]; 1019 p6 = sp[chan1]; 1020 1021 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]); 1022 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]); 1023 1024 STORE_RES(dp[0 ], d0); 1025 STORE_RES(dp[chan1], d1); 1026 1027 buffd[i ] = 0; 1028 buffd[i + 1] = 0; 1029 1030 sp += chan2; 1031 dp += chan2; 1032 } 1033 } 1034 1035 } else if (kw == 5) { 1036 1037 if (l < (n - 1) || off < m) { 1038#ifdef __SUNPRO_C 1039#pragma pipeloop(0) 1040#endif /* __SUNPRO_C */ 1041 for (i = 0; i <= (wid - 2); i += 2) { 1042 p0 = p2; p1 = p3; p2 = p4; p3 = p5; 1043 p4 = sp[0]; 1044 p5 = sp[chan1]; 1045 1046 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4; 1047 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4; 1048 1049 sp += chan2; 1050 } 1051 1052 } else { 1053#ifdef __SUNPRO_C 1054#pragma pipeloop(0) 1055#endif /* __SUNPRO_C */ 1056 for (i = 0; i <= (wid - 2); i += 2) { 1057 p0 = p2; p1 = p3; p2 = p4; p3 = p5; 1058 p4 = sp[0]; 1059 p5 = sp[chan1]; 1060 1061 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]); 1062 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]); 1063 1064 STORE_RES(dp[0 ], d0); 1065 STORE_RES(dp[chan1], d1); 1066 1067 buffd[i ] = 0; 1068 buffd[i + 1] = 0; 1069 1070 sp += chan2; 1071 dp += chan2; 1072 } 1073 } 1074 1075 } else if (kw == 4) { 1076 1077 if (l < (n - 1) || off < m) { 1078#ifdef __SUNPRO_C 1079#pragma pipeloop(0) 1080#endif /* __SUNPRO_C */ 1081 for (i = 0; i <= (wid - 2); i += 2) { 1082 p0 = p2; p1 = p3; p2 = p4; 1083 p3 = sp[0]; 1084 p4 = sp[chan1]; 1085 1086 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3; 1087 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3; 1088 1089 sp += chan2; 1090 } 1091 1092 } else { 1093#ifdef __SUNPRO_C 1094#pragma pipeloop(0) 1095#endif /* __SUNPRO_C */ 1096 for (i = 0; i <= (wid - 2); i += 2) { 1097 p0 = p2; p1 = p3; p2 = p4; 1098 p3 = sp[0]; 1099 p4 = sp[chan1]; 1100 1101 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]); 1102 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]); 1103 1104 STORE_RES(dp[0 ], d0); 1105 STORE_RES(dp[chan1], d1); 1106 1107 buffd[i ] = 0; 1108 buffd[i + 1] = 0; 1109 1110 sp += chan2; 1111 dp += chan2; 1112 } 1113 } 1114 1115 } else if (kw == 3) { 1116 1117 if (l < (n - 1) || off < m) { 1118#ifdef __SUNPRO_C 1119#pragma pipeloop(0) 1120#endif /* __SUNPRO_C */ 1121 for (i = 0; i <= (wid - 2); i += 2) { 1122 p0 = p2; p1 = p3; 1123 p2 = sp[0]; 1124 p3 = sp[chan1]; 1125 1126 buffd[i ] += p0*k0 + p1*k1 + p2*k2; 1127 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2; 1128 1129 sp += chan2; 1130 } 1131 1132 } else { 1133#ifdef __SUNPRO_C 1134#pragma pipeloop(0) 1135#endif /* __SUNPRO_C */ 1136 for (i = 0; i <= (wid - 2); i += 2) { 1137 p0 = p2; p1 = p3; 1138 p2 = sp[0]; 1139 p3 = sp[chan1]; 1140 1141 d0 = (p0*k0 + p1*k1 + p2*k2 + buffd[i ]); 1142 d1 = (p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]); 1143 1144 STORE_RES(dp[0 ], d0); 1145 STORE_RES(dp[chan1], d1); 1146 1147 buffd[i ] = 0; 1148 buffd[i + 1] = 0; 1149 1150 sp += chan2; 1151 dp += chan2; 1152 } 1153 } 1154 1155 } else if (kw == 2) { 1156 1157 if (l < (n - 1) || off < m) { 1158#ifdef __SUNPRO_C 1159#pragma pipeloop(0) 1160#endif /* __SUNPRO_C */ 1161 for (i = 0; i <= (wid - 2); i += 2) { 1162 p0 = p2; 1163 p1 = sp[0]; 1164 p2 = sp[chan1]; 1165 1166 buffd[i ] += p0*k0 + p1*k1; 1167 buffd[i + 1] += p1*k0 + p2*k1; 1168 1169 sp += chan2; 1170 } 1171 1172 } else { 1173#ifdef __SUNPRO_C 1174#pragma pipeloop(0) 1175#endif /* __SUNPRO_C */ 1176 for (i = 0; i <= (wid - 2); i += 2) { 1177 p0 = p2; 1178 p1 = sp[0]; 1179 p2 = sp[chan1]; 1180 1181 d0 = (p0*k0 + p1*k1 + buffd[i ]); 1182 d1 = (p1*k0 + p2*k1 + buffd[i + 1]); 1183 1184 STORE_RES(dp[0 ], d0); 1185 STORE_RES(dp[chan1], d1); 1186 1187 buffd[i ] = 0; 1188 buffd[i + 1] = 0; 1189 1190 sp += chan2; 1191 dp += chan2; 1192 } 1193 } 1194 1195 } else /*if (kw == 1)*/ { 1196 1197 if (l < (n - 1) || off < m) { 1198#ifdef __SUNPRO_C 1199#pragma pipeloop(0) 1200#endif /* __SUNPRO_C */ 1201 for (i = 0; i <= (wid - 2); i += 2) { 1202 p0 = sp[0]; 1203 p1 = sp[chan1]; 1204 1205 buffd[i ] += p0*k0; 1206 buffd[i + 1] += p1*k0; 1207 1208 sp += chan2; 1209 } 1210 1211 } else { 1212#ifdef __SUNPRO_C 1213#pragma pipeloop(0) 1214#endif /* __SUNPRO_C */ 1215 for (i = 0; i <= (wid - 2); i += 2) { 1216 p0 = sp[0]; 1217 p1 = sp[chan1]; 1218 1219 d0 = (p0*k0 + buffd[i ]); 1220 d1 = (p1*k0 + buffd[i + 1]); 1221 1222 STORE_RES(dp[0 ], d0); 1223 STORE_RES(dp[chan1], d1); 1224 1225 buffd[i ] = 0; 1226 buffd[i + 1] = 0; 1227 1228 sp += chan2; 1229 dp += chan2; 1230 } 1231 } 1232 } 1233 } 1234 } 1235 1236 /* last pixels */ 1237 for (; i < wid; i++) { 1238 mlib_s32 *pk = k, s = 0; 1239 mlib_s32 x; 1240 1241 for (l = 0; l < n; l++) { 1242 sp = sl + l*sll + i*chan1; 1243 1244 for (x = 0; x < m; x++) { 1245 s += sp[0] * pk[0]; 1246 sp += chan1; 1247 pk ++; 1248 } 1249 } 1250 1251 STORE_RES(dp[0], s); 1252 1253 sp += chan1; 1254 dp += chan1; 1255 } 1256 1257 sl += sll; 1258 dl += dll; 1259 } 1260 } 1261 1262 if (buffd != buff) mlib_free(buffd); 1263 if (k != k_locl) mlib_free(k); 1264 1265 return MLIB_SUCCESS; 1266} 1267 1268/***************************************************************/ 1269#endif /* __sparc ( for x86, using integer multiplies is faster ) */ 1270 1271/***************************************************************/ 1272