1/*
2 * Copyright (c) 2003, 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 type and
30 * MLIB_EDGE_SRC_EXTEND mask
31 */
32
33#include "mlib_image.h"
34#include "mlib_ImageConv.h"
35#include "mlib_c_ImageConv.h"
36
37/*
38 * This define switches between functions of different data types
39 */
40
41#define IMG_TYPE 2
42
43/***************************************************************/
44#if IMG_TYPE == 1
45
46#define DTYPE mlib_u8
47#define CONV_FUNC(KERN) mlib_c_conv##KERN##ext_u8(PARAM)
48#define CONV_FUNC_MxN mlib_c_convMxNext_u8(PARAM_MxN)
49#define CONV_FUNC_I(KERN) mlib_i_conv##KERN##ext_u8(PARAM)
50#define CONV_FUNC_MxN_I mlib_i_convMxNext_u8(PARAM_MxN)
51#define DSCALE (1 << 24)
52#define FROM_S32(x) (((x) >> 24) ^ 128)
53#define S64TOS32(x) (x)
54#define SAT_OFF -(1u << 31)
55
56#elif IMG_TYPE == 2
57
58#define DTYPE mlib_s16
59#define CONV_FUNC(KERN) mlib_conv##KERN##ext_s16(PARAM)
60#define CONV_FUNC_MxN mlib_convMxNext_s16(PARAM_MxN)
61#define CONV_FUNC_I(KERN) mlib_i_conv##KERN##ext_s16(PARAM)
62#define CONV_FUNC_MxN_I mlib_i_convMxNext_s16(PARAM_MxN)
63#define DSCALE 65536.0
64#define FROM_S32(x) ((x) >> 16)
65#define S64TOS32(x) ((x) & 0xffffffff)
66#define SAT_OFF
67
68#elif IMG_TYPE == 3
69
70#define DTYPE mlib_u16
71#define CONV_FUNC(KERN) mlib_conv##KERN##ext_u16(PARAM)
72#define CONV_FUNC_MxN mlib_convMxNext_u16(PARAM_MxN)
73#define CONV_FUNC_I(KERN) mlib_i_conv##KERN##ext_u16(PARAM)
74#define CONV_FUNC_MxN_I mlib_i_convMxNext_u16(PARAM_MxN)
75#define DSCALE 65536.0
76#define FROM_S32(x) (((x) >> 16) ^ 0x8000)
77#define S64TOS32(x) (x)
78#define SAT_OFF -(1u << 31)
79
80#endif /* IMG_TYPE == 1 */
81
82/***************************************************************/
83#define PARAM \
84 mlib_image *dst, \
85 const mlib_image *src, \
86 mlib_s32 dx_l, \
87 mlib_s32 dx_r, \
88 mlib_s32 dy_t, \
89 mlib_s32 dy_b, \
90 const mlib_s32 *kern, \
91 mlib_s32 scalef_expon, \
92 mlib_s32 cmask
93
94/***************************************************************/
95#define PARAM_MxN \
96 mlib_image *dst, \
97 const mlib_image *src, \
98 const mlib_s32 *kernel, \
99 mlib_s32 m, \
100 mlib_s32 n, \
101 mlib_s32 dx_l, \
102 mlib_s32 dx_r, \
103 mlib_s32 dy_t, \
104 mlib_s32 dy_b, \
105 mlib_s32 scale, \
106 mlib_s32 cmask
107
108/***************************************************************/
109#define FTYPE mlib_d64
110
111#ifndef MLIB_USE_FTOI_CLAMPING
112
113#define CLAMP_S32(x) \
114 (((x) <= MLIB_S32_MIN) ? MLIB_S32_MIN : (((x) >= MLIB_S32_MAX) ? MLIB_S32_MAX : (mlib_s32)(x)))
115
116#else
117
118#define CLAMP_S32(x) ((mlib_s32)(x))
119
120#endif /* MLIB_USE_FTOI_CLAMPING */
121
122/***************************************************************/
123#define D2I(x) CLAMP_S32((x) SAT_OFF)
124
125/***************************************************************/
126#ifdef _LITTLE_ENDIAN
127
128#define STORE2(res0, res1) \
129 dp[0 ] = res1; \
130 dp[chan1] = res0
131
132#else
133
134#define STORE2(res0, res1) \
135 dp[0 ] = res0; \
136 dp[chan1] = res1
137
138#endif /* _LITTLE_ENDIAN */
139
140/***************************************************************/
141#ifdef _NO_LONGLONG
142
143#define LOAD_BUFF(buff) \
144 buff[i ] = sp[0]; \
145 buff[i + 1] = sp[chan1]
146
147#else /* _NO_LONGLONG */
148
149#ifdef _LITTLE_ENDIAN
150
151#define LOAD_BUFF(buff) \
152 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) | S64TOS32((mlib_s64)sp[0])
153
154#else /* _LITTLE_ENDIAN */
155
156#define LOAD_BUFF(buff) \
157 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[0]) << 32) | S64TOS32((mlib_s64)sp[chan1])
158
159#endif /* _LITTLE_ENDIAN */
160#endif /* _NO_LONGLONG */
161
162/***************************************************************/
163typedef union {
164 mlib_d64 d64;
165 struct {
166 mlib_s32 i0;
167 mlib_s32 i1;
168 } i32s;
169} d64_2x32;
170
171/***************************************************************/
172#define GET_SRC_DST_PARAMETERS(type) \
173 hgt = mlib_ImageGetHeight(src); \
174 wid = mlib_ImageGetWidth(src); \
175 nchannel = mlib_ImageGetChannels(src); \
176 sll = mlib_ImageGetStride(src) / sizeof(type); \
177 dll = mlib_ImageGetStride(dst) / sizeof(type); \
178 adr_src = (type *)mlib_ImageGetData(src); \
179 adr_dst = (type *)mlib_ImageGetData(dst)
180
181/***************************************************************/
182#ifndef __sparc
183#if IMG_TYPE == 1
184
185/*
186 * Test for the presence of any "1" bit in bits
187 8 to 31 of val. If present, then val is either
188 negative or >255. If over/underflows of 8 bits
189 are uncommon, then this technique can be a win,
190 since only a single test, rather than two, is
191 necessary to determine if clamping is needed.
192 On the other hand, if over/underflows are common,
193 it adds an extra test.
194*/
195#define CLAMP_STORE(dst, val) \
196 if (val & 0xffffff00) { \
197 if (val < MLIB_U8_MIN) \
198 dst = MLIB_U8_MIN; \
199 else \
200 dst = MLIB_U8_MAX; \
201 } else { \
202 dst = (mlib_u8)val; \
203 }
204
205#elif IMG_TYPE == 2
206
207#define CLAMP_STORE(dst, val) \
208 if (val >= MLIB_S16_MAX) \
209 dst = MLIB_S16_MAX; \
210 else if (val <= MLIB_S16_MIN) \
211 dst = MLIB_S16_MIN; \
212 else \
213 dst = (mlib_s16)val
214
215#elif IMG_TYPE == 3
216
217#define CLAMP_STORE(dst, val) \
218 if (val >= MLIB_U16_MAX) \
219 dst = MLIB_U16_MAX; \
220 else if (val <= MLIB_U16_MIN) \
221 dst = MLIB_U16_MIN; \
222 else \
223 dst = (mlib_u16)val
224
225#endif /* IMG_TYPE == 1 */
226#endif /* __sparc */
227
228/***************************************************************/
229#define MAX_KER 7
230#define MAX_N 15
231#define BUFF_SIZE 1600
232#define CACHE_SIZE (64*1024)
233
234static mlib_status mlib_ImageConv1xN_ext(mlib_image *dst,
235 const mlib_image *src,
236 const mlib_d64 *k,
237 mlib_s32 n,
238 mlib_s32 dy_t,
239 mlib_s32 dy_b,
240 mlib_s32 cmask)
241{
242 DTYPE *adr_src, *sl;
243 DTYPE *adr_dst, *dl, *dp;
244 FTYPE buff[BUFF_SIZE];
245 FTYPE *buffd;
246 FTYPE *pbuff = buff;
247 const FTYPE *pk;
248 FTYPE k0, k1, k2, k3;
249 FTYPE p0, p1, p2, p3, p4;
250 FTYPE *sbuff;
251 mlib_s32 l, k_off, off, bsize;
252 mlib_s32 max_hsize, smax_hsize, shgt, hsize, kh;
253 mlib_s32 d0, d1, ii;
254 mlib_s32 wid, hgt, sll, dll;
255 mlib_s32 nchannel;
256 mlib_s32 i, j, c;
257 GET_SRC_DST_PARAMETERS(DTYPE);
258
259 max_hsize = ((CACHE_SIZE/sizeof(DTYPE))/sll) - (n - 1);
260
261 if (max_hsize < 1) max_hsize = 1;
262 if (max_hsize > hgt) max_hsize = hgt;
263
264 shgt = hgt + (n - 1);
265 smax_hsize = max_hsize + (n - 1);
266
267 bsize = 2 * (smax_hsize + 1);
268
269 if (bsize > BUFF_SIZE) {
270 pbuff = mlib_malloc(sizeof(FTYPE)*bsize);
271
272 if (pbuff == NULL) return MLIB_FAILURE;
273 }
274
275 sbuff = pbuff;
276 buffd = sbuff + smax_hsize;
277
278 shgt -= (dy_t + dy_b);
279 k_off = 0;
280
281 for (l = 0; l < hgt; l += hsize) {
282 hsize = hgt - l;
283
284 if (hsize > max_hsize) hsize = max_hsize;
285
286 smax_hsize = hsize + (n - 1);
287
288 for (c = 0; c < nchannel; c++) {
289 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
290
291 sl = adr_src + c;
292 dl = adr_dst + c;
293
294#ifdef __SUNPRO_C
295#pragma pipeloop(0)
296#endif /* __SUNPRO_C */
297 for (i = 0; i < hsize; i++) buffd[i] = 0.0;
298
299 for (j = 0; j < wid; j++) {
300 FTYPE *buff = sbuff;
301
302 for (i = k_off, ii = 0; (i < dy_t) && (ii < smax_hsize); i++, ii++) {
303 sbuff[i - k_off] = (FTYPE)sl[0];
304 }
305
306#ifdef __SUNPRO_C
307#pragma pipeloop(0)
308#endif /* __SUNPRO_C */
309 for (; (i < shgt + dy_t) && (ii < smax_hsize); i++, ii++) {
310 sbuff[i - k_off] = (FTYPE)sl[(i - dy_t)*sll];
311 }
312
313 for (; (i < shgt + dy_t + dy_b) && (ii < smax_hsize); i++, ii++) {
314 sbuff[i - k_off] = (FTYPE)sl[(shgt - 1)*sll];
315 }
316
317 pk = k;
318
319 for (off = 0; off < (n - 4); off += 4) {
320
321 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
322 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
323
324#ifdef __SUNPRO_C
325#pragma pipeloop(0)
326#endif /* __SUNPRO_C */
327 for (i = 0; i < hsize; i += 2) {
328 p0 = p2; p1 = p3; p2 = p4;
329
330 p3 = buff[i + 3]; p4 = buff[i + 4];
331
332 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
333 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
334 }
335
336 pk += 4;
337 buff += 4;
338 }
339
340 dp = dl;
341 kh = n - off;
342
343 if (kh == 4) {
344 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
345 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
346
347#ifdef __SUNPRO_C
348#pragma pipeloop(0)
349#endif /* __SUNPRO_C */
350 for (i = 0; i <= (hsize - 2); i += 2) {
351 p0 = p2; p1 = p3; p2 = p4;
352
353 p3 = buff[i + 3]; p4 = buff[i + 4];
354
355 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
356 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
357
358 dp[0 ] = FROM_S32(d0);
359 dp[dll] = FROM_S32(d1);
360
361 buffd[i ] = 0.0;
362 buffd[i + 1] = 0.0;
363
364 dp += 2*dll;
365 }
366
367 if (i < hsize) {
368 p0 = p2; p1 = p3; p2 = p4;
369 p3 = buff[i + 3];
370 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i]);
371 dp[0] = FROM_S32(d0);
372 buffd[i] = 0.0;
373 }
374
375 } else if (kh == 3) {
376
377 p2 = buff[0]; p3 = buff[1];
378 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
379
380#ifdef __SUNPRO_C
381#pragma pipeloop(0)
382#endif /* __SUNPRO_C */
383 for (i = 0; i <= (hsize - 2); i += 2) {
384 p0 = p2; p1 = p3;
385
386 p2 = buff[i + 2]; p3 = buff[i + 3];
387
388 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
389 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
390
391 dp[0 ] = FROM_S32(d0);
392 dp[dll] = FROM_S32(d1);
393
394 buffd[i ] = 0.0;
395 buffd[i + 1] = 0.0;
396
397 dp += 2*dll;
398 }
399
400 if (i < hsize) {
401 p0 = p2; p1 = p3;
402 p2 = buff[i + 2];
403 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i]);
404 dp[0] = FROM_S32(d0);
405
406 buffd[i] = 0.0;
407 }
408
409 } else if (kh == 2) {
410
411 p2 = buff[0];
412 k0 = pk[0]; k1 = pk[1];
413
414#ifdef __SUNPRO_C
415#pragma pipeloop(0)
416#endif /* __SUNPRO_C */
417 for (i = 0; i <= (hsize - 2); i += 2) {
418 p0 = p2;
419
420 p1 = buff[i + 1]; p2 = buff[i + 2];
421
422 d0 = D2I(p0*k0 + p1*k1 + buffd[i ]);
423 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1]);
424
425 dp[0 ] = FROM_S32(d0);
426 dp[dll] = FROM_S32(d1);
427
428 buffd[i ] = 0.0;
429 buffd[i + 1] = 0.0;
430
431 dp += 2*dll;
432 }
433
434 if (i < hsize) {
435 p0 = p2;
436 p1 = buff[i + 1];
437 d0 = D2I(p0*k0 + p1*k1 + buffd[i]);
438 dp[0] = FROM_S32(d0);
439
440 buffd[i] = 0.0;
441 }
442
443 } else /* kh == 1 */{
444
445 k0 = pk[0];
446
447#ifdef __SUNPRO_C
448#pragma pipeloop(0)
449#endif /* __SUNPRO_C */
450 for (i = 0; i <= (hsize - 2); i += 2) {
451 p0 = buff[i]; p1 = buff[i + 1];
452
453 d0 = D2I(p0*k0 + buffd[i ]);
454 d1 = D2I(p1*k0 + buffd[i + 1]);
455
456 dp[0 ] = FROM_S32(d0);
457 dp[dll] = FROM_S32(d1);
458
459 buffd[i ] = 0.0;
460 buffd[i + 1] = 0.0;
461
462 dp += 2*dll;
463 }
464
465 if (i < hsize) {
466 p0 = buff[i];
467 d0 = D2I(p0*k0 + buffd[i]);
468 dp[0] = FROM_S32(d0);
469
470 buffd[i] = 0.0;
471 }
472 }
473
474 /* next line */
475 sl += nchannel;
476 dl += nchannel;
477 }
478 }
479
480 k_off += max_hsize;
481 adr_dst += max_hsize*dll;
482 }
483
484 if (pbuff != buff) mlib_free(pbuff);
485
486 return MLIB_SUCCESS;
487}
488
489/***************************************************************/
490mlib_status CONV_FUNC_MxN
491{
492 DTYPE *adr_src, *sl, *sp = NULL;
493 DTYPE *adr_dst, *dl, *dp = NULL;
494 FTYPE buff[BUFF_SIZE], *buffs_arr[2*(MAX_N + 1)];
495 FTYPE **buffs = buffs_arr, *buffd;
496 FTYPE akernel[256], *k = akernel, fscale = DSCALE;
497 FTYPE *pbuff = buff;
498 FTYPE k0, k1, k2, k3, k4, k5, k6;
499 FTYPE p0, p1, p2, p3, p4, p5, p6, p7;
500 mlib_s32 *buffi;
501 mlib_s32 mn, l, off, kw, bsize, buff_ind;
502 mlib_s32 d0, d1;
503 mlib_s32 wid, hgt, sll, dll;
504 mlib_s32 nchannel, chan1, chan2;
505 mlib_s32 i, j, c, swid;
506 d64_2x32 dd;
507 mlib_status status = MLIB_SUCCESS;
508
509 GET_SRC_DST_PARAMETERS(DTYPE);
510
511 if (scale > 30) {
512 fscale *= 1.0/(1 << 30);
513 scale -= 30;
514 }
515
516 fscale /= (1 << scale);
517
518 mn = m*n;
519
520 if (mn > 256) {
521 k = mlib_malloc(mn*sizeof(mlib_d64));
522
523 if (k == NULL) return MLIB_FAILURE;
524 }
525
526 for (i = 0; i < mn; i++) {
527 k[i] = kernel[i]*fscale;
528 }
529
530 if (m == 1) {
531 status = mlib_ImageConv1xN_ext(dst, src, k, n, dy_t, dy_b, cmask);
532 FREE_AND_RETURN_STATUS;
533 }
534
535 swid = wid + (m - 1);
536
537 bsize = (n + 3)*swid;
538
539 if ((bsize > BUFF_SIZE) || (n > MAX_N)) {
540 pbuff = mlib_malloc(sizeof(FTYPE)*bsize + sizeof(FTYPE *)*2*(n + 1));
541
542 if (pbuff == NULL) {
543 status = MLIB_FAILURE;
544 FREE_AND_RETURN_STATUS;
545 }
546 buffs = (FTYPE **)(pbuff + bsize);
547 }
548
549 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*swid;
550 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
551 buffd = buffs[n] + swid;
552 buffi = (mlib_s32*)(buffd + swid);
553
554 chan1 = nchannel;
555 chan2 = chan1 + chan1;
556
557 swid -= (dx_l + dx_r);
558
559 for (c = 0; c < nchannel; c++) {
560 if (!(cmask & (1 << (chan1 - 1 - c)))) continue;
561
562 sl = adr_src + c;
563 dl = adr_dst + c;
564
565 for (l = 0; l < n; l++) {
566 FTYPE *buff = buffs[l];
567
568 for (i = 0; i < dx_l; i++) {
569 buff[i] = (FTYPE)sl[0];
570 }
571
572#ifdef __SUNPRO_C
573#pragma pipeloop(0)
574#endif /* __SUNPRO_C */
575 for (i = 0; i < swid; i++) {
576 buff[i + dx_l] = (FTYPE)sl[i*chan1];
577 }
578
579 for (i = 0; i < dx_r; i++) {
580 buff[swid + dx_l + i] = buff[swid + dx_l - 1];
581 }
582
583 if ((l >= dy_t) && (l < hgt + n - dy_b - 2)) sl += sll;
584 }
585
586 buff_ind = 0;
587
588#ifdef __SUNPRO_C
589#pragma pipeloop(0)
590#endif /* __SUNPRO_C */
591 for (i = 0; i < wid; i++) buffd[i] = 0.0;
592
593 for (j = 0; j < hgt; j++) {
594 FTYPE **buffc = buffs + buff_ind;
595 FTYPE *buffn = buffc[n];
596 FTYPE *pk = k;
597
598 for (l = 0; l < n; l++) {
599 FTYPE *buff_l = buffc[l];
600
601 for (off = 0; off < m;) {
602 FTYPE *buff = buff_l + off;
603
604 kw = m - off;
605
606 if (kw > 2*MAX_KER) kw = MAX_KER; else
607 if (kw > MAX_KER) kw = kw/2;
608 off += kw;
609
610 sp = sl;
611 dp = dl;
612
613 if (kw == 7) {
614
615 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
616 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
617
618 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
619 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
620
621 if (l < (n - 1) || off < m) {
622#ifdef __SUNPRO_C
623#pragma pipeloop(0)
624#endif /* __SUNPRO_C */
625 for (i = 0; i <= (wid - 2); i += 2) {
626 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
627
628 p6 = buff[i + 6]; p7 = buff[i + 7];
629
630 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
631 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
632 }
633
634 } else {
635#ifdef __SUNPRO_C
636#pragma pipeloop(0)
637#endif /* __SUNPRO_C */
638 for (i = 0; i <= (wid - 2); i += 2) {
639 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
640
641 p6 = buff[i + 6]; p7 = buff[i + 7];
642
643 LOAD_BUFF(buffi);
644
645 dd.d64 = *(FTYPE *)(buffi + i);
646 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
647 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
648
649 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]);
650 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]);
651
652 dp[0 ] = FROM_S32(d0);
653 dp[chan1] = FROM_S32(d1);
654
655 buffd[i ] = 0.0;
656 buffd[i + 1] = 0.0;
657
658 sp += chan2;
659 dp += chan2;
660 }
661 }
662
663 } else if (kw == 6) {
664
665 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
666 p5 = buff[3]; p6 = buff[4];
667
668 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
669 k4 = pk[4]; k5 = pk[5];
670
671 if (l < (n - 1) || off < m) {
672#ifdef __SUNPRO_C
673#pragma pipeloop(0)
674#endif /* __SUNPRO_C */
675 for (i = 0; i <= (wid - 2); i += 2) {
676 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
677
678 p5 = buff[i + 5]; p6 = buff[i + 6];
679
680 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
681 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
682 }
683
684 } else {
685#ifdef __SUNPRO_C
686#pragma pipeloop(0)
687#endif /* __SUNPRO_C */
688 for (i = 0; i <= (wid - 2); i += 2) {
689 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
690
691 p5 = buff[i + 5]; p6 = buff[i + 6];
692
693 LOAD_BUFF(buffi);
694
695 dd.d64 = *(FTYPE *)(buffi + i);
696 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
697 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
698
699 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]);
700 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]);
701
702 dp[0 ] = FROM_S32(d0);
703 dp[chan1] = FROM_S32(d1);
704
705 buffd[i ] = 0.0;
706 buffd[i + 1] = 0.0;
707
708 sp += chan2;
709 dp += chan2;
710 }
711 }
712
713 } else if (kw == 5) {
714
715 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
716 p5 = buff[3];
717
718 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
719 k4 = pk[4];
720
721 if (l < (n - 1) || off < m) {
722#ifdef __SUNPRO_C
723#pragma pipeloop(0)
724#endif /* __SUNPRO_C */
725 for (i = 0; i <= (wid - 2); i += 2) {
726 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
727
728 p4 = buff[i + 4]; p5 = buff[i + 5];
729
730 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
731 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
732 }
733
734 } else {
735#ifdef __SUNPRO_C
736#pragma pipeloop(0)
737#endif /* __SUNPRO_C */
738 for (i = 0; i <= (wid - 2); i += 2) {
739 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
740
741 p4 = buff[i + 4]; p5 = buff[i + 5];
742
743 LOAD_BUFF(buffi);
744
745 dd.d64 = *(FTYPE *)(buffi + i);
746 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
747 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
748
749 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]);
750 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]);
751
752 dp[0 ] = FROM_S32(d0);
753 dp[chan1] = FROM_S32(d1);
754
755 buffd[i ] = 0.0;
756 buffd[i + 1] = 0.0;
757
758 sp += chan2;
759 dp += chan2;
760 }
761 }
762
763 } else if (kw == 4) {
764
765 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
766
767 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
768
769 if (l < (n - 1) || off < m) {
770#ifdef __SUNPRO_C
771#pragma pipeloop(0)
772#endif /* __SUNPRO_C */
773 for (i = 0; i <= (wid - 2); i += 2) {
774 p0 = p2; p1 = p3; p2 = p4;
775
776 p3 = buff[i + 3]; p4 = buff[i + 4];
777
778 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
779 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
780 }
781
782 } else {
783#ifdef __SUNPRO_C
784#pragma pipeloop(0)
785#endif /* __SUNPRO_C */
786 for (i = 0; i <= (wid - 2); i += 2) {
787 p0 = p2; p1 = p3; p2 = p4;
788
789 p3 = buff[i + 3]; p4 = buff[i + 4];
790
791 LOAD_BUFF(buffi);
792
793 dd.d64 = *(FTYPE *)(buffi + i);
794 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
795 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
796
797 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
798 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
799
800 dp[0 ] = FROM_S32(d0);
801 dp[chan1] = FROM_S32(d1);
802
803 buffd[i ] = 0.0;
804 buffd[i + 1] = 0.0;
805
806 sp += chan2;
807 dp += chan2;
808 }
809 }
810
811 } else if (kw == 3) {
812
813 p2 = buff[0]; p3 = buff[1];
814 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
815
816 if (l < (n - 1) || off < m) {
817#ifdef __SUNPRO_C
818#pragma pipeloop(0)
819#endif /* __SUNPRO_C */
820 for (i = 0; i <= (wid - 2); i += 2) {
821 p0 = p2; p1 = p3;
822
823 p2 = buff[i + 2]; p3 = buff[i + 3];
824
825 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
826 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
827 }
828
829 } else {
830#ifdef __SUNPRO_C
831#pragma pipeloop(0)
832#endif /* __SUNPRO_C */
833 for (i = 0; i <= (wid - 2); i += 2) {
834 p0 = p2; p1 = p3;
835
836 p2 = buff[i + 2]; p3 = buff[i + 3];
837
838 LOAD_BUFF(buffi);
839
840 dd.d64 = *(FTYPE *)(buffi + i);
841 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
842 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
843
844 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
845 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
846
847 dp[0 ] = FROM_S32(d0);
848 dp[chan1] = FROM_S32(d1);
849
850 buffd[i ] = 0.0;
851 buffd[i + 1] = 0.0;
852
853 sp += chan2;
854 dp += chan2;
855 }
856 }
857
858 } else /* if (kw == 2) */ {
859
860 p2 = buff[0];
861 k0 = pk[0]; k1 = pk[1];
862
863 if (l < (n - 1) || off < m) {
864#ifdef __SUNPRO_C
865#pragma pipeloop(0)
866#endif /* __SUNPRO_C */
867 for (i = 0; i <= (wid - 2); i += 2) {
868 p0 = p2;
869
870 p1 = buff[i + 1]; p2 = buff[i + 2];
871
872 buffd[i ] += p0*k0 + p1*k1;
873 buffd[i + 1] += p1*k0 + p2*k1;
874 }
875
876 } else {
877#ifdef __SUNPRO_C
878#pragma pipeloop(0)
879#endif /* __SUNPRO_C */
880 for (i = 0; i <= (wid - 2); i += 2) {
881 p0 = p2;
882
883 p1 = buff[i + 1]; p2 = buff[i + 2];
884
885 LOAD_BUFF(buffi);
886
887 dd.d64 = *(FTYPE *)(buffi + i);
888 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
889 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
890
891 d0 = D2I(p0*k0 + p1*k1 + buffd[i ]);
892 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1]);
893
894 dp[0 ] = FROM_S32(d0);
895 dp[chan1] = FROM_S32(d1);
896
897 buffd[i ] = 0.0;
898 buffd[i + 1] = 0.0;
899
900 sp += chan2;
901 dp += chan2;
902 }
903 }
904 }
905
906 pk += kw;
907 }
908 }
909
910 /* last pixels */
911 for (; i < wid; i++) {
912 FTYPE *pk = k, s = 0;
913 mlib_s32 x, d0;
914
915 for (l = 0; l < n; l++) {
916 FTYPE *buff = buffc[l] + i;
917
918 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
919 }
920
921 d0 = D2I(s);
922 dp[0] = FROM_S32(d0);
923
924 buffn[i + dx_l] = (FTYPE)sp[0];
925
926 sp += chan1;
927 dp += chan1;
928 }
929
930 for (; i < swid; i++) {
931 buffn[i + dx_l] = (FTYPE)sp[0];
932 sp += chan1;
933 }
934
935 for (i = 0; i < dx_l; i++) buffn[i] = buffn[dx_l];
936 for (i = 0; i < dx_r; i++) buffn[swid + dx_l + i] = buffn[swid + dx_l - 1];
937
938 /* next line */
939
940 if (j < hgt - dy_b - 2) sl += sll;
941 dl += dll;
942
943 buff_ind++;
944
945 if (buff_ind >= n + 1) buff_ind = 0;
946 }
947 }
948
949 FREE_AND_RETURN_STATUS;
950}
951
952/***************************************************************/
953#ifndef __sparc /* for x86, using integer multiplies is faster */
954
955#define STORE_RES(res, x) \
956 x >>= shift2; \
957 CLAMP_STORE(res, x)
958
959mlib_status CONV_FUNC_MxN_I
960{
961 DTYPE *adr_src, *sl, *sp = NULL;
962 DTYPE *adr_dst, *dl, *dp = NULL;
963 mlib_s32 buff[BUFF_SIZE], *buffs_arr[2*(MAX_N + 1)];
964 mlib_s32 *pbuff = buff;
965 mlib_s32 **buffs = buffs_arr, *buffd;
966 mlib_s32 l, off, kw, bsize, buff_ind;
967 mlib_s32 d0, d1, shift1, shift2;
968 mlib_s32 k0, k1, k2, k3, k4, k5, k6;
969 mlib_s32 p0, p1, p2, p3, p4, p5, p6, p7;
970 mlib_s32 wid, hgt, sll, dll;
971 mlib_s32 nchannel, chan1;
972 mlib_s32 i, j, c, swid;
973 mlib_s32 chan2;
974 mlib_s32 k_locl[MAX_N*MAX_N], *k = k_locl;
975 GET_SRC_DST_PARAMETERS(DTYPE);
976
977#if IMG_TYPE != 1
978 shift1 = 16;
979#else
980 shift1 = 8;
981#endif /* IMG_TYPE != 1 */
982 shift2 = scale - shift1;
983
984 chan1 = nchannel;
985 chan2 = chan1 + chan1;
986
987 swid = wid + (m - 1);
988
989 bsize = (n + 2)*swid;
990
991 if ((bsize > BUFF_SIZE) || (n > MAX_N)) {
992 pbuff = mlib_malloc(sizeof(mlib_s32)*bsize + sizeof(mlib_s32 *)*2*(n + 1));
993
994 if (pbuff == NULL) return MLIB_FAILURE;
995 buffs = (mlib_s32 **)(pbuff + bsize);
996 }
997
998 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*swid;
999 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
1000 buffd = buffs[n] + swid;
1001
1002 if (m*n > MAX_N*MAX_N) {
1003 k = mlib_malloc(sizeof(mlib_s32)*(m*n));
1004
1005 if (k == NULL) {
1006 if (pbuff != buff) mlib_free(pbuff);
1007 return MLIB_FAILURE;
1008 }
1009 }
1010
1011 for (i = 0; i < m*n; i++) {
1012 k[i] = kernel[i] >> shift1;
1013 }
1014
1015 swid -= (dx_l + dx_r);
1016
1017 for (c = 0; c < nchannel; c++) {
1018 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
1019
1020 sl = adr_src + c;
1021 dl = adr_dst + c;
1022
1023 for (l = 0; l < n; l++) {
1024 mlib_s32 *buff = buffs[l];
1025
1026 for (i = 0; i < dx_l; i++) {
1027 buff[i] = (mlib_s32)sl[0];
1028 }
1029
1030#ifdef __SUNPRO_C
1031#pragma pipeloop(0)
1032#endif /* __SUNPRO_C */
1033 for (i = 0; i < swid; i++) {
1034 buff[i + dx_l] = (mlib_s32)sl[i*chan1];
1035 }
1036
1037 for (i = 0; i < dx_r; i++) {
1038 buff[swid + dx_l + i] = buff[swid + dx_l - 1];
1039 }
1040
1041 if ((l >= dy_t) && (l < hgt + n - dy_b - 2)) sl += sll;
1042 }
1043
1044 buff_ind = 0;
1045
1046#ifdef __SUNPRO_C
1047#pragma pipeloop(0)
1048#endif /* __SUNPRO_C */
1049 for (i = 0; i < wid; i++) buffd[i] = 0;
1050
1051 for (j = 0; j < hgt; j++) {
1052 mlib_s32 **buffc = buffs + buff_ind;
1053 mlib_s32 *buffn = buffc[n];
1054 mlib_s32 *pk = k;
1055
1056 for (l = 0; l < n; l++) {
1057 mlib_s32 *buff_l = buffc[l];
1058
1059 for (off = 0; off < m;) {
1060 mlib_s32 *buff = buff_l + off;
1061
1062 sp = sl;
1063 dp = dl;
1064
1065 kw = m - off;
1066
1067 if (kw > 2*MAX_KER) kw = MAX_KER; else
1068 if (kw > MAX_KER) kw = kw/2;
1069 off += kw;
1070
1071 if (kw == 7) {
1072
1073 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1074 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
1075
1076 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1077 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
1078
1079 if (l < (n - 1) || off < m) {
1080#ifdef __SUNPRO_C
1081#pragma pipeloop(0)
1082#endif /* __SUNPRO_C */
1083 for (i = 0; i <= (wid - 2); i += 2) {
1084 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
1085
1086 p6 = buff[i + 6]; p7 = buff[i + 7];
1087
1088 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
1089 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
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; p3 = p5; p4 = p6; p5 = p7;
1098
1099 p6 = buff[i + 6]; p7 = buff[i + 7];
1100
1101 buffn[i + dx_l ] = (mlib_s32)sp[0];
1102 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1103
1104 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]);
1105 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]);
1106
1107 STORE_RES(dp[0 ], d0);
1108 STORE_RES(dp[chan1], d1);
1109
1110 buffd[i ] = 0;
1111 buffd[i + 1] = 0;
1112
1113 sp += chan2;
1114 dp += chan2;
1115 }
1116 }
1117
1118 } else if (kw == 6) {
1119
1120 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1121 p5 = buff[3]; p6 = buff[4];
1122
1123 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1124 k4 = pk[4]; k5 = pk[5];
1125
1126 if (l < (n - 1) || off < m) {
1127#ifdef __SUNPRO_C
1128#pragma pipeloop(0)
1129#endif /* __SUNPRO_C */
1130 for (i = 0; i <= (wid - 2); i += 2) {
1131 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
1132
1133 p5 = buff[i + 5]; p6 = buff[i + 6];
1134
1135 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
1136 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
1137 }
1138
1139 } else {
1140#ifdef __SUNPRO_C
1141#pragma pipeloop(0)
1142#endif /* __SUNPRO_C */
1143 for (i = 0; i <= (wid - 2); i += 2) {
1144 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
1145
1146 p5 = buff[i + 5]; p6 = buff[i + 6];
1147
1148 buffn[i + dx_l ] = (mlib_s32)sp[0];
1149 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1150
1151 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]);
1152 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]);
1153
1154 STORE_RES(dp[0 ], d0);
1155 STORE_RES(dp[chan1], d1);
1156
1157 buffd[i ] = 0;
1158 buffd[i + 1] = 0;
1159
1160 sp += chan2;
1161 dp += chan2;
1162 }
1163 }
1164
1165 } else if (kw == 5) {
1166
1167 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1168 p5 = buff[3];
1169
1170 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1171 k4 = pk[4];
1172
1173 if (l < (n - 1) || off < m) {
1174#ifdef __SUNPRO_C
1175#pragma pipeloop(0)
1176#endif /* __SUNPRO_C */
1177 for (i = 0; i <= (wid - 2); i += 2) {
1178 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
1179
1180 p4 = buff[i + 4]; p5 = buff[i + 5];
1181
1182 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
1183 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
1184 }
1185
1186 } else {
1187#ifdef __SUNPRO_C
1188#pragma pipeloop(0)
1189#endif /* __SUNPRO_C */
1190 for (i = 0; i <= (wid - 2); i += 2) {
1191 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
1192
1193 p4 = buff[i + 4]; p5 = buff[i + 5];
1194
1195 buffn[i + dx_l ] = (mlib_s32)sp[0];
1196 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1197
1198 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]);
1199 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]);
1200
1201 STORE_RES(dp[0 ], d0);
1202 STORE_RES(dp[chan1], d1);
1203
1204 buffd[i ] = 0;
1205 buffd[i + 1] = 0;
1206
1207 sp += chan2;
1208 dp += chan2;
1209 }
1210 }
1211
1212 } else if (kw == 4) {
1213
1214 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1215
1216 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1217
1218 if (l < (n - 1) || off < m) {
1219#ifdef __SUNPRO_C
1220#pragma pipeloop(0)
1221#endif /* __SUNPRO_C */
1222 for (i = 0; i <= (wid - 2); i += 2) {
1223 p0 = p2; p1 = p3; p2 = p4;
1224
1225 p3 = buff[i + 3]; p4 = buff[i + 4];
1226
1227 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
1228 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
1229 }
1230
1231 } else {
1232#ifdef __SUNPRO_C
1233#pragma pipeloop(0)
1234#endif /* __SUNPRO_C */
1235 for (i = 0; i <= (wid - 2); i += 2) {
1236 p0 = p2; p1 = p3; p2 = p4;
1237
1238 p3 = buff[i + 3]; p4 = buff[i + 4];
1239
1240 buffn[i + dx_l ] = (mlib_s32)sp[0];
1241 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1242
1243 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
1244 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
1245
1246 STORE_RES(dp[0 ], d0);
1247 STORE_RES(dp[chan1], d1);
1248
1249 buffd[i ] = 0;
1250 buffd[i + 1] = 0;
1251
1252 sp += chan2;
1253 dp += chan2;
1254 }
1255 }
1256
1257 } else if (kw == 3) {
1258
1259 p2 = buff[0]; p3 = buff[1];
1260 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
1261
1262 if (l < (n - 1) || off < m) {
1263#ifdef __SUNPRO_C
1264#pragma pipeloop(0)
1265#endif /* __SUNPRO_C */
1266 for (i = 0; i <= (wid - 2); i += 2) {
1267 p0 = p2; p1 = p3;
1268
1269 p2 = buff[i + 2]; p3 = buff[i + 3];
1270
1271 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
1272 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
1273 }
1274
1275 } else {
1276#ifdef __SUNPRO_C
1277#pragma pipeloop(0)
1278#endif /* __SUNPRO_C */
1279 for (i = 0; i <= (wid - 2); i += 2) {
1280 p0 = p2; p1 = p3;
1281
1282 p2 = buff[i + 2]; p3 = buff[i + 3];
1283
1284 buffn[i + dx_l ] = (mlib_s32)sp[0];
1285 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1286
1287 d0 = (p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
1288 d1 = (p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
1289
1290 STORE_RES(dp[0 ], d0);
1291 STORE_RES(dp[chan1], d1);
1292
1293 buffd[i ] = 0;
1294 buffd[i + 1] = 0;
1295
1296 sp += chan2;
1297 dp += chan2;
1298 }
1299 }
1300
1301 } else if (kw == 2) {
1302
1303 p2 = buff[0];
1304 k0 = pk[0]; k1 = pk[1];
1305
1306 if (l < (n - 1) || off < m) {
1307#ifdef __SUNPRO_C
1308#pragma pipeloop(0)
1309#endif /* __SUNPRO_C */
1310 for (i = 0; i <= (wid - 2); i += 2) {
1311 p0 = p2;
1312
1313 p1 = buff[i + 1]; p2 = buff[i + 2];
1314
1315 buffd[i ] += p0*k0 + p1*k1;
1316 buffd[i + 1] += p1*k0 + p2*k1;
1317 }
1318
1319 } else {
1320#ifdef __SUNPRO_C
1321#pragma pipeloop(0)
1322#endif /* __SUNPRO_C */
1323 for (i = 0; i <= (wid - 2); i += 2) {
1324 p0 = p2;
1325
1326 p1 = buff[i + 1]; p2 = buff[i + 2];
1327
1328 buffn[i + dx_l ] = (mlib_s32)sp[0];
1329 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1330
1331 d0 = (p0*k0 + p1*k1 + buffd[i ]);
1332 d1 = (p1*k0 + p2*k1 + buffd[i + 1]);
1333
1334 STORE_RES(dp[0 ], d0);
1335 STORE_RES(dp[chan1], d1);
1336
1337 buffd[i ] = 0;
1338 buffd[i + 1] = 0;
1339
1340 sp += chan2;
1341 dp += chan2;
1342 }
1343 }
1344
1345 } else /* kw == 1 */{
1346
1347 k0 = pk[0];
1348
1349 if (l < (n - 1) || off < m) {
1350#ifdef __SUNPRO_C
1351#pragma pipeloop(0)
1352#endif /* __SUNPRO_C */
1353 for (i = 0; i <= (wid - 2); i += 2) {
1354 p0 = buff[i]; p1 = buff[i + 1];
1355
1356 buffd[i ] += p0*k0;
1357 buffd[i + 1] += p1*k0;
1358 }
1359
1360 } else {
1361#ifdef __SUNPRO_C
1362#pragma pipeloop(0)
1363#endif /* __SUNPRO_C */
1364 for (i = 0; i <= (wid - 2); i += 2) {
1365 p0 = buff[i]; p1 = buff[i + 1];
1366
1367 buffn[i + dx_l ] = (mlib_s32)sp[0];
1368 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1369
1370 d0 = (p0*k0 + buffd[i ]);
1371 d1 = (p1*k0 + buffd[i + 1]);
1372
1373 STORE_RES(dp[0 ], d0);
1374 STORE_RES(dp[chan1], d1);
1375
1376 buffd[i ] = 0;
1377 buffd[i + 1] = 0;
1378
1379 sp += chan2;
1380 dp += chan2;
1381 }
1382 }
1383 }
1384
1385 pk += kw;
1386 }
1387 }
1388
1389 /* last pixels */
1390 for (; i < wid; i++) {
1391 mlib_s32 *pk = k, x, s = 0;
1392
1393 for (l = 0; l < n; l++) {
1394 mlib_s32 *buff = buffc[l] + i;
1395
1396 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
1397 }
1398
1399 STORE_RES(dp[0], s);
1400
1401 buffn[i + dx_l] = (mlib_s32)sp[0];
1402
1403 sp += chan1;
1404 dp += chan1;
1405 }
1406
1407 for (; i < swid; i++) {
1408 buffn[i + dx_l] = (mlib_s32)sp[0];
1409 sp += chan1;
1410 }
1411
1412 for (i = 0; i < dx_l; i++) buffn[i] = buffn[dx_l];
1413 for (i = 0; i < dx_r; i++) buffn[swid + dx_l + i] = buffn[swid + dx_l - 1];
1414
1415 /* next line */
1416
1417 if (j < hgt - dy_b - 2) sl += sll;
1418 dl += dll;
1419
1420 buff_ind++;
1421
1422 if (buff_ind >= n + 1) buff_ind = 0;
1423 }
1424 }
1425
1426 if (pbuff != buff) mlib_free(pbuff);
1427 if (k != k_locl) mlib_free(k);
1428
1429 return MLIB_SUCCESS;
1430}
1431
1432#endif /* __sparc ( for x86, using integer multiplies is faster ) */
1433
1434/***************************************************************/
1435