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 1
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 _NO_LONGLONG
127
128 #define LOAD_BUFF(buff) \
129 buff[i ] = sp[0]; \
130 buff[i + 1] = sp[chan1]
131
132 #else /* _NO_LONGLONG */
133
134 #ifdef _LITTLE_ENDIAN
135
136 #define LOAD_BUFF(buff) \
137 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) | S64TOS32((mlib_s64)sp[0])
138
139 #else /* _LITTLE_ENDIAN */
140
141 #define LOAD_BUFF(buff) \
142 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[0]) << 32) | S64TOS32((mlib_s64)sp[chan1])
143
144 #endif /* _LITTLE_ENDIAN */
145 #endif /* _NO_LONGLONG */
146
147 /***************************************************************/
148 typedef union {
149 mlib_d64 d64;
150 struct {
151 mlib_s32 i0;
152 mlib_s32 i1;
153 } i32s;
154 } d64_2x32;
155
156 /***************************************************************/
157 #define GET_SRC_DST_PARAMETERS(type) \
158 hgt = mlib_ImageGetHeight(src); \
159 wid = mlib_ImageGetWidth(src); \
160 nchannel = mlib_ImageGetChannels(src); \
161 sll = mlib_ImageGetStride(src) / sizeof(type); \
162 dll = mlib_ImageGetStride(dst) / sizeof(type); \
163 adr_src = (type *)mlib_ImageGetData(src); \
164 adr_dst = (type *)mlib_ImageGetData(dst)
165
166 /***************************************************************/
167 #ifndef __sparc
168 #if IMG_TYPE == 1
169
170 /*
171 * Test for the presence of any "1" bit in bits
172 8 to 31 of val. If present, then val is either
173 negative or >255. If over/underflows of 8 bits
174 are uncommon, then this technique can be a win,
175 since only a single test, rather than two, is
176 necessary to determine if clamping is needed.
177 On the other hand, if over/underflows are common,
178 it adds an extra test.
179 */
180 #define CLAMP_STORE(dst, val) \
181 if (val & 0xffffff00) { \
182 if (val < MLIB_U8_MIN) \
183 dst = MLIB_U8_MIN; \
184 else \
185 dst = MLIB_U8_MAX; \
186 } else { \
187 dst = (mlib_u8)val; \
188 }
189
190 #elif IMG_TYPE == 2
191
192 #define CLAMP_STORE(dst, val) \
193 if (val >= MLIB_S16_MAX) \
194 dst = MLIB_S16_MAX; \
195 else if (val <= MLIB_S16_MIN) \
196 dst = MLIB_S16_MIN; \
197 else \
198 dst = (mlib_s16)val
199
200 #elif IMG_TYPE == 3
201
202 #define CLAMP_STORE(dst, val) \
203 if (val >= MLIB_U16_MAX) \
204 dst = MLIB_U16_MAX; \
205 else if (val <= MLIB_U16_MIN) \
206 dst = MLIB_U16_MIN; \
207 else \
208 dst = (mlib_u16)val
209
210 #endif /* IMG_TYPE == 1 */
211 #endif /* __sparc */
212
213 /***************************************************************/
214 #define MAX_KER 7
215 #define MAX_N 15
216 #define BUFF_SIZE 1600
217 #define CACHE_SIZE (64*1024)
218
mlib_ImageConv1xN_ext(mlib_image * dst,const mlib_image * src,const mlib_d64 * k,mlib_s32 n,mlib_s32 dy_t,mlib_s32 dy_b,mlib_s32 cmask)219 static mlib_status mlib_ImageConv1xN_ext(mlib_image *dst,
220 const mlib_image *src,
221 const mlib_d64 *k,
222 mlib_s32 n,
223 mlib_s32 dy_t,
224 mlib_s32 dy_b,
225 mlib_s32 cmask)
226 {
227 DTYPE *adr_src, *sl;
228 DTYPE *adr_dst, *dl, *dp;
229 FTYPE buff[BUFF_SIZE];
230 FTYPE *buffd;
231 FTYPE *pbuff = buff;
232 const FTYPE *pk;
233 FTYPE k0, k1, k2, k3;
234 FTYPE p0, p1, p2, p3, p4;
235 FTYPE *sbuff;
236 mlib_s32 l, k_off, off, bsize;
237 mlib_s32 max_hsize, smax_hsize, shgt, hsize, kh;
238 mlib_s32 d0, d1, ii;
239 mlib_s32 wid, hgt, sll, dll;
240 mlib_s32 nchannel;
241 mlib_s32 i, j, c;
242 GET_SRC_DST_PARAMETERS(DTYPE);
243
244 max_hsize = ((CACHE_SIZE/sizeof(DTYPE))/sll) - (n - 1);
245
246 if (max_hsize < 1) max_hsize = 1;
247 if (max_hsize > hgt) max_hsize = hgt;
248
249 shgt = hgt + (n - 1);
250 smax_hsize = max_hsize + (n - 1);
251
252 bsize = 2 * (smax_hsize + 1);
253
254 if (bsize > BUFF_SIZE) {
255 pbuff = mlib_malloc(sizeof(FTYPE)*bsize);
256
257 if (pbuff == NULL) return MLIB_FAILURE;
258 }
259
260 sbuff = pbuff;
261 buffd = sbuff + smax_hsize;
262
263 shgt -= (dy_t + dy_b);
264 k_off = 0;
265
266 for (l = 0; l < hgt; l += hsize) {
267 hsize = hgt - l;
268
269 if (hsize > max_hsize) hsize = max_hsize;
270
271 smax_hsize = hsize + (n - 1);
272
273 for (c = 0; c < nchannel; c++) {
274 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
275
276 sl = adr_src + c;
277 dl = adr_dst + c;
278
279 #ifdef __SUNPRO_C
280 #pragma pipeloop(0)
281 #endif /* __SUNPRO_C */
282 for (i = 0; i < hsize; i++) buffd[i] = 0.0;
283
284 for (j = 0; j < wid; j++) {
285 FTYPE *buff = sbuff;
286
287 for (i = k_off, ii = 0; (i < dy_t) && (ii < smax_hsize); i++, ii++) {
288 sbuff[i - k_off] = (FTYPE)sl[0];
289 }
290
291 #ifdef __SUNPRO_C
292 #pragma pipeloop(0)
293 #endif /* __SUNPRO_C */
294 for (; (i < shgt + dy_t) && (ii < smax_hsize); i++, ii++) {
295 sbuff[i - k_off] = (FTYPE)sl[(i - dy_t)*sll];
296 }
297
298 for (; (i < shgt + dy_t + dy_b) && (ii < smax_hsize); i++, ii++) {
299 sbuff[i - k_off] = (FTYPE)sl[(shgt - 1)*sll];
300 }
301
302 pk = k;
303
304 for (off = 0; off < (n - 4); off += 4) {
305
306 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
307 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
308
309 #ifdef __SUNPRO_C
310 #pragma pipeloop(0)
311 #endif /* __SUNPRO_C */
312 for (i = 0; i < hsize; i += 2) {
313 p0 = p2; p1 = p3; p2 = p4;
314
315 p3 = buff[i + 3]; p4 = buff[i + 4];
316
317 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
318 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
319 }
320
321 pk += 4;
322 buff += 4;
323 }
324
325 dp = dl;
326 kh = n - off;
327
328 if (kh == 4) {
329 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
330 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
331
332 #ifdef __SUNPRO_C
333 #pragma pipeloop(0)
334 #endif /* __SUNPRO_C */
335 for (i = 0; i <= (hsize - 2); i += 2) {
336 p0 = p2; p1 = p3; p2 = p4;
337
338 p3 = buff[i + 3]; p4 = buff[i + 4];
339
340 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
341 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
342
343 dp[0 ] = FROM_S32(d0);
344 dp[dll] = FROM_S32(d1);
345
346 buffd[i ] = 0.0;
347 buffd[i + 1] = 0.0;
348
349 dp += 2*dll;
350 }
351
352 if (i < hsize) {
353 p0 = p2; p1 = p3; p2 = p4;
354 p3 = buff[i + 3];
355 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i]);
356 dp[0] = FROM_S32(d0);
357 buffd[i] = 0.0;
358 }
359
360 } else if (kh == 3) {
361
362 p2 = buff[0]; p3 = buff[1];
363 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
364
365 #ifdef __SUNPRO_C
366 #pragma pipeloop(0)
367 #endif /* __SUNPRO_C */
368 for (i = 0; i <= (hsize - 2); i += 2) {
369 p0 = p2; p1 = p3;
370
371 p2 = buff[i + 2]; p3 = buff[i + 3];
372
373 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
374 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
375
376 dp[0 ] = FROM_S32(d0);
377 dp[dll] = FROM_S32(d1);
378
379 buffd[i ] = 0.0;
380 buffd[i + 1] = 0.0;
381
382 dp += 2*dll;
383 }
384
385 if (i < hsize) {
386 p0 = p2; p1 = p3;
387 p2 = buff[i + 2];
388 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i]);
389 dp[0] = FROM_S32(d0);
390
391 buffd[i] = 0.0;
392 }
393
394 } else if (kh == 2) {
395
396 p2 = buff[0];
397 k0 = pk[0]; k1 = pk[1];
398
399 #ifdef __SUNPRO_C
400 #pragma pipeloop(0)
401 #endif /* __SUNPRO_C */
402 for (i = 0; i <= (hsize - 2); i += 2) {
403 p0 = p2;
404
405 p1 = buff[i + 1]; p2 = buff[i + 2];
406
407 d0 = D2I(p0*k0 + p1*k1 + buffd[i ]);
408 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1]);
409
410 dp[0 ] = FROM_S32(d0);
411 dp[dll] = FROM_S32(d1);
412
413 buffd[i ] = 0.0;
414 buffd[i + 1] = 0.0;
415
416 dp += 2*dll;
417 }
418
419 if (i < hsize) {
420 p0 = p2;
421 p1 = buff[i + 1];
422 d0 = D2I(p0*k0 + p1*k1 + buffd[i]);
423 dp[0] = FROM_S32(d0);
424
425 buffd[i] = 0.0;
426 }
427
428 } else /* kh == 1 */{
429
430 k0 = pk[0];
431
432 #ifdef __SUNPRO_C
433 #pragma pipeloop(0)
434 #endif /* __SUNPRO_C */
435 for (i = 0; i <= (hsize - 2); i += 2) {
436 p0 = buff[i]; p1 = buff[i + 1];
437
438 d0 = D2I(p0*k0 + buffd[i ]);
439 d1 = D2I(p1*k0 + buffd[i + 1]);
440
441 dp[0 ] = FROM_S32(d0);
442 dp[dll] = FROM_S32(d1);
443
444 buffd[i ] = 0.0;
445 buffd[i + 1] = 0.0;
446
447 dp += 2*dll;
448 }
449
450 if (i < hsize) {
451 p0 = buff[i];
452 d0 = D2I(p0*k0 + buffd[i]);
453 dp[0] = FROM_S32(d0);
454
455 buffd[i] = 0.0;
456 }
457 }
458
459 /* next line */
460 sl += nchannel;
461 dl += nchannel;
462 }
463 }
464
465 k_off += max_hsize;
466 adr_dst += max_hsize*dll;
467 }
468
469 if (pbuff != buff) mlib_free(pbuff);
470
471 return MLIB_SUCCESS;
472 }
473
474 /***************************************************************/
475 mlib_status CONV_FUNC_MxN
476 {
477 DTYPE *adr_src, *sl, *sp = NULL;
478 DTYPE *adr_dst, *dl, *dp = NULL;
479 FTYPE buff[BUFF_SIZE], *buffs_arr[2*(MAX_N + 1)];
480 FTYPE **buffs = buffs_arr, *buffd;
481 FTYPE akernel[256], *k = akernel, fscale = DSCALE;
482 FTYPE *pbuff = buff;
483 FTYPE k0, k1, k2, k3, k4, k5, k6;
484 FTYPE p0, p1, p2, p3, p4, p5, p6, p7;
485 mlib_s32 *buffi;
486 mlib_s32 mn, l, off, kw, bsize, buff_ind;
487 mlib_s32 d0, d1;
488 mlib_s32 wid, hgt, sll, dll;
489 mlib_s32 nchannel, chan1, chan2;
490 mlib_s32 i, j, c, swid;
491 d64_2x32 dd;
492 mlib_status status = MLIB_SUCCESS;
493
494 GET_SRC_DST_PARAMETERS(DTYPE);
495
496 if (scale > 30) {
497 fscale *= 1.0/(1 << 30);
498 scale -= 30;
499 }
500
501 fscale /= (1 << scale);
502
503 mn = m*n;
504
505 if (mn > 256) {
506 k = mlib_malloc(mn*sizeof(mlib_d64));
507
508 if (k == NULL) return MLIB_FAILURE;
509 }
510
511 for (i = 0; i < mn; i++) {
512 k[i] = kernel[i]*fscale;
513 }
514
515 if (m == 1) {
516 status = mlib_ImageConv1xN_ext(dst, src, k, n, dy_t, dy_b, cmask);
517 FREE_AND_RETURN_STATUS;
518 }
519
520 swid = wid + (m - 1);
521
522 bsize = (n + 3)*swid;
523
524 if ((bsize > BUFF_SIZE) || (n > MAX_N)) {
525 pbuff = mlib_malloc(sizeof(FTYPE)*bsize + sizeof(FTYPE *)*2*(n + 1));
526
527 if (pbuff == NULL) {
528 status = MLIB_FAILURE;
529 FREE_AND_RETURN_STATUS;
530 }
531 buffs = (FTYPE **)(pbuff + bsize);
532 }
533
534 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*swid;
535 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
536 buffd = buffs[n] + swid;
537 buffi = (mlib_s32*)(buffd + swid);
538
539 chan1 = nchannel;
540 chan2 = chan1 + chan1;
541
542 swid -= (dx_l + dx_r);
543
544 for (c = 0; c < nchannel; c++) {
545 if (!(cmask & (1 << (chan1 - 1 - c)))) continue;
546
547 sl = adr_src + c;
548 dl = adr_dst + c;
549
550 for (l = 0; l < n; l++) {
551 FTYPE *buff = buffs[l];
552
553 for (i = 0; i < dx_l; i++) {
554 buff[i] = (FTYPE)sl[0];
555 }
556
557 #ifdef __SUNPRO_C
558 #pragma pipeloop(0)
559 #endif /* __SUNPRO_C */
560 for (i = 0; i < swid; i++) {
561 buff[i + dx_l] = (FTYPE)sl[i*chan1];
562 }
563
564 for (i = 0; i < dx_r; i++) {
565 buff[swid + dx_l + i] = buff[swid + dx_l - 1];
566 }
567
568 if ((l >= dy_t) && (l < hgt + n - dy_b - 2)) sl += sll;
569 }
570
571 buff_ind = 0;
572
573 #ifdef __SUNPRO_C
574 #pragma pipeloop(0)
575 #endif /* __SUNPRO_C */
576 for (i = 0; i < wid; i++) buffd[i] = 0.0;
577
578 for (j = 0; j < hgt; j++) {
579 FTYPE **buffc = buffs + buff_ind;
580 FTYPE *buffn = buffc[n];
581 FTYPE *pk = k;
582
583 for (l = 0; l < n; l++) {
584 FTYPE *buff_l = buffc[l];
585
586 for (off = 0; off < m;) {
587 FTYPE *buff = buff_l + off;
588
589 kw = m - off;
590
591 if (kw > 2*MAX_KER) kw = MAX_KER; else
592 if (kw > MAX_KER) kw = kw/2;
593 off += kw;
594
595 sp = sl;
596 dp = dl;
597
598 if (kw == 7) {
599
600 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
601 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
602
603 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
604 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
605
606 if (l < (n - 1) || off < m) {
607 #ifdef __SUNPRO_C
608 #pragma pipeloop(0)
609 #endif /* __SUNPRO_C */
610 for (i = 0; i <= (wid - 2); i += 2) {
611 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
612
613 p6 = buff[i + 6]; p7 = buff[i + 7];
614
615 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
616 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
617 }
618
619 } else {
620 #ifdef __SUNPRO_C
621 #pragma pipeloop(0)
622 #endif /* __SUNPRO_C */
623 for (i = 0; i <= (wid - 2); i += 2) {
624 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
625
626 p6 = buff[i + 6]; p7 = buff[i + 7];
627
628 LOAD_BUFF(buffi);
629
630 dd.d64 = *(FTYPE *)(buffi + i);
631 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
632 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
633
634 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]);
635 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]);
636
637 dp[0 ] = FROM_S32(d0);
638 dp[chan1] = FROM_S32(d1);
639
640 buffd[i ] = 0.0;
641 buffd[i + 1] = 0.0;
642
643 sp += chan2;
644 dp += chan2;
645 }
646 }
647
648 } else if (kw == 6) {
649
650 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
651 p5 = buff[3]; p6 = buff[4];
652
653 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
654 k4 = pk[4]; k5 = pk[5];
655
656 if (l < (n - 1) || off < m) {
657 #ifdef __SUNPRO_C
658 #pragma pipeloop(0)
659 #endif /* __SUNPRO_C */
660 for (i = 0; i <= (wid - 2); i += 2) {
661 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
662
663 p5 = buff[i + 5]; p6 = buff[i + 6];
664
665 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
666 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
667 }
668
669 } else {
670 #ifdef __SUNPRO_C
671 #pragma pipeloop(0)
672 #endif /* __SUNPRO_C */
673 for (i = 0; i <= (wid - 2); i += 2) {
674 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
675
676 p5 = buff[i + 5]; p6 = buff[i + 6];
677
678 LOAD_BUFF(buffi);
679
680 dd.d64 = *(FTYPE *)(buffi + i);
681 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
682 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
683
684 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]);
685 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]);
686
687 dp[0 ] = FROM_S32(d0);
688 dp[chan1] = FROM_S32(d1);
689
690 buffd[i ] = 0.0;
691 buffd[i + 1] = 0.0;
692
693 sp += chan2;
694 dp += chan2;
695 }
696 }
697
698 } else if (kw == 5) {
699
700 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
701 p5 = buff[3];
702
703 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
704 k4 = pk[4];
705
706 if (l < (n - 1) || off < m) {
707 #ifdef __SUNPRO_C
708 #pragma pipeloop(0)
709 #endif /* __SUNPRO_C */
710 for (i = 0; i <= (wid - 2); i += 2) {
711 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
712
713 p4 = buff[i + 4]; p5 = buff[i + 5];
714
715 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
716 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
717 }
718
719 } else {
720 #ifdef __SUNPRO_C
721 #pragma pipeloop(0)
722 #endif /* __SUNPRO_C */
723 for (i = 0; i <= (wid - 2); i += 2) {
724 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
725
726 p4 = buff[i + 4]; p5 = buff[i + 5];
727
728 LOAD_BUFF(buffi);
729
730 dd.d64 = *(FTYPE *)(buffi + i);
731 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
732 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
733
734 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]);
735 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]);
736
737 dp[0 ] = FROM_S32(d0);
738 dp[chan1] = FROM_S32(d1);
739
740 buffd[i ] = 0.0;
741 buffd[i + 1] = 0.0;
742
743 sp += chan2;
744 dp += chan2;
745 }
746 }
747
748 } else if (kw == 4) {
749
750 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
751
752 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
753
754 if (l < (n - 1) || off < m) {
755 #ifdef __SUNPRO_C
756 #pragma pipeloop(0)
757 #endif /* __SUNPRO_C */
758 for (i = 0; i <= (wid - 2); i += 2) {
759 p0 = p2; p1 = p3; p2 = p4;
760
761 p3 = buff[i + 3]; p4 = buff[i + 4];
762
763 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
764 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
765 }
766
767 } else {
768 #ifdef __SUNPRO_C
769 #pragma pipeloop(0)
770 #endif /* __SUNPRO_C */
771 for (i = 0; i <= (wid - 2); i += 2) {
772 p0 = p2; p1 = p3; p2 = p4;
773
774 p3 = buff[i + 3]; p4 = buff[i + 4];
775
776 LOAD_BUFF(buffi);
777
778 dd.d64 = *(FTYPE *)(buffi + i);
779 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
780 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
781
782 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
783 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
784
785 dp[0 ] = FROM_S32(d0);
786 dp[chan1] = FROM_S32(d1);
787
788 buffd[i ] = 0.0;
789 buffd[i + 1] = 0.0;
790
791 sp += chan2;
792 dp += chan2;
793 }
794 }
795
796 } else if (kw == 3) {
797
798 p2 = buff[0]; p3 = buff[1];
799 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
800
801 if (l < (n - 1) || off < m) {
802 #ifdef __SUNPRO_C
803 #pragma pipeloop(0)
804 #endif /* __SUNPRO_C */
805 for (i = 0; i <= (wid - 2); i += 2) {
806 p0 = p2; p1 = p3;
807
808 p2 = buff[i + 2]; p3 = buff[i + 3];
809
810 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
811 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
812 }
813
814 } else {
815 #ifdef __SUNPRO_C
816 #pragma pipeloop(0)
817 #endif /* __SUNPRO_C */
818 for (i = 0; i <= (wid - 2); i += 2) {
819 p0 = p2; p1 = p3;
820
821 p2 = buff[i + 2]; p3 = buff[i + 3];
822
823 LOAD_BUFF(buffi);
824
825 dd.d64 = *(FTYPE *)(buffi + i);
826 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
827 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
828
829 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
830 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
831
832 dp[0 ] = FROM_S32(d0);
833 dp[chan1] = FROM_S32(d1);
834
835 buffd[i ] = 0.0;
836 buffd[i + 1] = 0.0;
837
838 sp += chan2;
839 dp += chan2;
840 }
841 }
842
843 } else /* if (kw == 2) */ {
844
845 p2 = buff[0];
846 k0 = pk[0]; k1 = pk[1];
847
848 if (l < (n - 1) || off < m) {
849 #ifdef __SUNPRO_C
850 #pragma pipeloop(0)
851 #endif /* __SUNPRO_C */
852 for (i = 0; i <= (wid - 2); i += 2) {
853 p0 = p2;
854
855 p1 = buff[i + 1]; p2 = buff[i + 2];
856
857 buffd[i ] += p0*k0 + p1*k1;
858 buffd[i + 1] += p1*k0 + p2*k1;
859 }
860
861 } else {
862 #ifdef __SUNPRO_C
863 #pragma pipeloop(0)
864 #endif /* __SUNPRO_C */
865 for (i = 0; i <= (wid - 2); i += 2) {
866 p0 = p2;
867
868 p1 = buff[i + 1]; p2 = buff[i + 2];
869
870 LOAD_BUFF(buffi);
871
872 dd.d64 = *(FTYPE *)(buffi + i);
873 buffn[i + dx_l ] = (FTYPE)dd.i32s.i0;
874 buffn[i + dx_l + 1] = (FTYPE)dd.i32s.i1;
875
876 d0 = D2I(p0*k0 + p1*k1 + buffd[i ]);
877 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1]);
878
879 dp[0 ] = FROM_S32(d0);
880 dp[chan1] = FROM_S32(d1);
881
882 buffd[i ] = 0.0;
883 buffd[i + 1] = 0.0;
884
885 sp += chan2;
886 dp += chan2;
887 }
888 }
889 }
890
891 pk += kw;
892 }
893 }
894
895 /* last pixels */
896 for (; i < wid; i++) {
897 FTYPE *pk = k, s = 0;
898 mlib_s32 x, d0;
899
900 for (l = 0; l < n; l++) {
901 FTYPE *buff = buffc[l] + i;
902
903 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
904 }
905
906 d0 = D2I(s);
907 dp[0] = FROM_S32(d0);
908
909 buffn[i + dx_l] = (FTYPE)sp[0];
910
911 sp += chan1;
912 dp += chan1;
913 }
914
915 for (; i < swid; i++) {
916 buffn[i + dx_l] = (FTYPE)sp[0];
917 sp += chan1;
918 }
919
920 for (i = 0; i < dx_l; i++) buffn[i] = buffn[dx_l];
921 for (i = 0; i < dx_r; i++) buffn[swid + dx_l + i] = buffn[swid + dx_l - 1];
922
923 /* next line */
924
925 if (j < hgt - dy_b - 2) sl += sll;
926 dl += dll;
927
928 buff_ind++;
929
930 if (buff_ind >= n + 1) buff_ind = 0;
931 }
932 }
933
934 FREE_AND_RETURN_STATUS;
935 }
936
937 /***************************************************************/
938 #ifndef __sparc /* for x86, using integer multiplies is faster */
939
940 #define STORE_RES(res, x) \
941 x >>= shift2; \
942 CLAMP_STORE(res, x)
943
944 mlib_status CONV_FUNC_MxN_I
945 {
946 DTYPE *adr_src, *sl, *sp = NULL;
947 DTYPE *adr_dst, *dl, *dp = NULL;
948 mlib_s32 buff[BUFF_SIZE], *buffs_arr[2*(MAX_N + 1)];
949 mlib_s32 *pbuff = buff;
950 mlib_s32 **buffs = buffs_arr, *buffd;
951 mlib_s32 l, off, kw, bsize, buff_ind;
952 mlib_s32 d0, d1, shift1, shift2;
953 mlib_s32 k0, k1, k2, k3, k4, k5, k6;
954 mlib_s32 p0, p1, p2, p3, p4, p5, p6, p7;
955 mlib_s32 wid, hgt, sll, dll;
956 mlib_s32 nchannel, chan1;
957 mlib_s32 i, j, c, swid;
958 mlib_s32 chan2;
959 mlib_s32 k_locl[MAX_N*MAX_N], *k = k_locl;
960 GET_SRC_DST_PARAMETERS(DTYPE);
961
962 #if IMG_TYPE != 1
963 shift1 = 16;
964 #else
965 shift1 = 8;
966 #endif /* IMG_TYPE != 1 */
967 shift2 = scale - shift1;
968
969 chan1 = nchannel;
970 chan2 = chan1 + chan1;
971
972 swid = wid + (m - 1);
973
974 bsize = (n + 2)*swid;
975
976 if ((bsize > BUFF_SIZE) || (n > MAX_N)) {
977 pbuff = mlib_malloc(sizeof(mlib_s32)*bsize + sizeof(mlib_s32 *)*2*(n + 1));
978
979 if (pbuff == NULL) return MLIB_FAILURE;
980 buffs = (mlib_s32 **)(pbuff + bsize);
981 }
982
983 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*swid;
984 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
985 buffd = buffs[n] + swid;
986
987 if (m*n > MAX_N*MAX_N) {
988 k = mlib_malloc(sizeof(mlib_s32)*(m*n));
989
990 if (k == NULL) {
991 if (pbuff != buff) mlib_free(pbuff);
992 return MLIB_FAILURE;
993 }
994 }
995
996 for (i = 0; i < m*n; i++) {
997 k[i] = kernel[i] >> shift1;
998 }
999
1000 swid -= (dx_l + dx_r);
1001
1002 for (c = 0; c < nchannel; c++) {
1003 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
1004
1005 sl = adr_src + c;
1006 dl = adr_dst + c;
1007
1008 for (l = 0; l < n; l++) {
1009 mlib_s32 *buff = buffs[l];
1010
1011 for (i = 0; i < dx_l; i++) {
1012 buff[i] = (mlib_s32)sl[0];
1013 }
1014
1015 #ifdef __SUNPRO_C
1016 #pragma pipeloop(0)
1017 #endif /* __SUNPRO_C */
1018 for (i = 0; i < swid; i++) {
1019 buff[i + dx_l] = (mlib_s32)sl[i*chan1];
1020 }
1021
1022 for (i = 0; i < dx_r; i++) {
1023 buff[swid + dx_l + i] = buff[swid + dx_l - 1];
1024 }
1025
1026 if ((l >= dy_t) && (l < hgt + n - dy_b - 2)) sl += sll;
1027 }
1028
1029 buff_ind = 0;
1030
1031 #ifdef __SUNPRO_C
1032 #pragma pipeloop(0)
1033 #endif /* __SUNPRO_C */
1034 for (i = 0; i < wid; i++) buffd[i] = 0;
1035
1036 for (j = 0; j < hgt; j++) {
1037 mlib_s32 **buffc = buffs + buff_ind;
1038 mlib_s32 *buffn = buffc[n];
1039 mlib_s32 *pk = k;
1040
1041 for (l = 0; l < n; l++) {
1042 mlib_s32 *buff_l = buffc[l];
1043
1044 for (off = 0; off < m;) {
1045 mlib_s32 *buff = buff_l + off;
1046
1047 sp = sl;
1048 dp = dl;
1049
1050 kw = m - off;
1051
1052 if (kw > 2*MAX_KER) kw = MAX_KER; else
1053 if (kw > MAX_KER) kw = kw/2;
1054 off += kw;
1055
1056 if (kw == 7) {
1057
1058 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1059 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
1060
1061 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1062 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
1063
1064 if (l < (n - 1) || off < m) {
1065 #ifdef __SUNPRO_C
1066 #pragma pipeloop(0)
1067 #endif /* __SUNPRO_C */
1068 for (i = 0; i <= (wid - 2); i += 2) {
1069 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
1070
1071 p6 = buff[i + 6]; p7 = buff[i + 7];
1072
1073 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
1074 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
1075 }
1076
1077 } else {
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; p3 = p5; p4 = p6; p5 = p7;
1083
1084 p6 = buff[i + 6]; p7 = buff[i + 7];
1085
1086 buffn[i + dx_l ] = (mlib_s32)sp[0];
1087 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1088
1089 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]);
1090 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]);
1091
1092 STORE_RES(dp[0 ], d0);
1093 STORE_RES(dp[chan1], d1);
1094
1095 buffd[i ] = 0;
1096 buffd[i + 1] = 0;
1097
1098 sp += chan2;
1099 dp += chan2;
1100 }
1101 }
1102
1103 } else if (kw == 6) {
1104
1105 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1106 p5 = buff[3]; p6 = buff[4];
1107
1108 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1109 k4 = pk[4]; k5 = pk[5];
1110
1111 if (l < (n - 1) || off < m) {
1112 #ifdef __SUNPRO_C
1113 #pragma pipeloop(0)
1114 #endif /* __SUNPRO_C */
1115 for (i = 0; i <= (wid - 2); i += 2) {
1116 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
1117
1118 p5 = buff[i + 5]; p6 = buff[i + 6];
1119
1120 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
1121 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
1122 }
1123
1124 } else {
1125 #ifdef __SUNPRO_C
1126 #pragma pipeloop(0)
1127 #endif /* __SUNPRO_C */
1128 for (i = 0; i <= (wid - 2); i += 2) {
1129 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
1130
1131 p5 = buff[i + 5]; p6 = buff[i + 6];
1132
1133 buffn[i + dx_l ] = (mlib_s32)sp[0];
1134 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1135
1136 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]);
1137 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]);
1138
1139 STORE_RES(dp[0 ], d0);
1140 STORE_RES(dp[chan1], d1);
1141
1142 buffd[i ] = 0;
1143 buffd[i + 1] = 0;
1144
1145 sp += chan2;
1146 dp += chan2;
1147 }
1148 }
1149
1150 } else if (kw == 5) {
1151
1152 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1153 p5 = buff[3];
1154
1155 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1156 k4 = pk[4];
1157
1158 if (l < (n - 1) || off < m) {
1159 #ifdef __SUNPRO_C
1160 #pragma pipeloop(0)
1161 #endif /* __SUNPRO_C */
1162 for (i = 0; i <= (wid - 2); i += 2) {
1163 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
1164
1165 p4 = buff[i + 4]; p5 = buff[i + 5];
1166
1167 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
1168 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
1169 }
1170
1171 } else {
1172 #ifdef __SUNPRO_C
1173 #pragma pipeloop(0)
1174 #endif /* __SUNPRO_C */
1175 for (i = 0; i <= (wid - 2); i += 2) {
1176 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
1177
1178 p4 = buff[i + 4]; p5 = buff[i + 5];
1179
1180 buffn[i + dx_l ] = (mlib_s32)sp[0];
1181 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1182
1183 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]);
1184 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]);
1185
1186 STORE_RES(dp[0 ], d0);
1187 STORE_RES(dp[chan1], d1);
1188
1189 buffd[i ] = 0;
1190 buffd[i + 1] = 0;
1191
1192 sp += chan2;
1193 dp += chan2;
1194 }
1195 }
1196
1197 } else if (kw == 4) {
1198
1199 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1200
1201 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1202
1203 if (l < (n - 1) || off < m) {
1204 #ifdef __SUNPRO_C
1205 #pragma pipeloop(0)
1206 #endif /* __SUNPRO_C */
1207 for (i = 0; i <= (wid - 2); i += 2) {
1208 p0 = p2; p1 = p3; p2 = p4;
1209
1210 p3 = buff[i + 3]; p4 = buff[i + 4];
1211
1212 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
1213 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
1214 }
1215
1216 } else {
1217 #ifdef __SUNPRO_C
1218 #pragma pipeloop(0)
1219 #endif /* __SUNPRO_C */
1220 for (i = 0; i <= (wid - 2); i += 2) {
1221 p0 = p2; p1 = p3; p2 = p4;
1222
1223 p3 = buff[i + 3]; p4 = buff[i + 4];
1224
1225 buffn[i + dx_l ] = (mlib_s32)sp[0];
1226 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1227
1228 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
1229 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
1230
1231 STORE_RES(dp[0 ], d0);
1232 STORE_RES(dp[chan1], d1);
1233
1234 buffd[i ] = 0;
1235 buffd[i + 1] = 0;
1236
1237 sp += chan2;
1238 dp += chan2;
1239 }
1240 }
1241
1242 } else if (kw == 3) {
1243
1244 p2 = buff[0]; p3 = buff[1];
1245 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
1246
1247 if (l < (n - 1) || off < m) {
1248 #ifdef __SUNPRO_C
1249 #pragma pipeloop(0)
1250 #endif /* __SUNPRO_C */
1251 for (i = 0; i <= (wid - 2); i += 2) {
1252 p0 = p2; p1 = p3;
1253
1254 p2 = buff[i + 2]; p3 = buff[i + 3];
1255
1256 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
1257 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
1258 }
1259
1260 } else {
1261 #ifdef __SUNPRO_C
1262 #pragma pipeloop(0)
1263 #endif /* __SUNPRO_C */
1264 for (i = 0; i <= (wid - 2); i += 2) {
1265 p0 = p2; p1 = p3;
1266
1267 p2 = buff[i + 2]; p3 = buff[i + 3];
1268
1269 buffn[i + dx_l ] = (mlib_s32)sp[0];
1270 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1271
1272 d0 = (p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
1273 d1 = (p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
1274
1275 STORE_RES(dp[0 ], d0);
1276 STORE_RES(dp[chan1], d1);
1277
1278 buffd[i ] = 0;
1279 buffd[i + 1] = 0;
1280
1281 sp += chan2;
1282 dp += chan2;
1283 }
1284 }
1285
1286 } else if (kw == 2) {
1287
1288 p2 = buff[0];
1289 k0 = pk[0]; k1 = pk[1];
1290
1291 if (l < (n - 1) || off < m) {
1292 #ifdef __SUNPRO_C
1293 #pragma pipeloop(0)
1294 #endif /* __SUNPRO_C */
1295 for (i = 0; i <= (wid - 2); i += 2) {
1296 p0 = p2;
1297
1298 p1 = buff[i + 1]; p2 = buff[i + 2];
1299
1300 buffd[i ] += p0*k0 + p1*k1;
1301 buffd[i + 1] += p1*k0 + p2*k1;
1302 }
1303
1304 } else {
1305 #ifdef __SUNPRO_C
1306 #pragma pipeloop(0)
1307 #endif /* __SUNPRO_C */
1308 for (i = 0; i <= (wid - 2); i += 2) {
1309 p0 = p2;
1310
1311 p1 = buff[i + 1]; p2 = buff[i + 2];
1312
1313 buffn[i + dx_l ] = (mlib_s32)sp[0];
1314 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1315
1316 d0 = (p0*k0 + p1*k1 + buffd[i ]);
1317 d1 = (p1*k0 + p2*k1 + buffd[i + 1]);
1318
1319 STORE_RES(dp[0 ], d0);
1320 STORE_RES(dp[chan1], d1);
1321
1322 buffd[i ] = 0;
1323 buffd[i + 1] = 0;
1324
1325 sp += chan2;
1326 dp += chan2;
1327 }
1328 }
1329
1330 } else /* kw == 1 */{
1331
1332 k0 = pk[0];
1333
1334 if (l < (n - 1) || off < m) {
1335 #ifdef __SUNPRO_C
1336 #pragma pipeloop(0)
1337 #endif /* __SUNPRO_C */
1338 for (i = 0; i <= (wid - 2); i += 2) {
1339 p0 = buff[i]; p1 = buff[i + 1];
1340
1341 buffd[i ] += p0*k0;
1342 buffd[i + 1] += p1*k0;
1343 }
1344
1345 } else {
1346 #ifdef __SUNPRO_C
1347 #pragma pipeloop(0)
1348 #endif /* __SUNPRO_C */
1349 for (i = 0; i <= (wid - 2); i += 2) {
1350 p0 = buff[i]; p1 = buff[i + 1];
1351
1352 buffn[i + dx_l ] = (mlib_s32)sp[0];
1353 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1354
1355 d0 = (p0*k0 + buffd[i ]);
1356 d1 = (p1*k0 + buffd[i + 1]);
1357
1358 STORE_RES(dp[0 ], d0);
1359 STORE_RES(dp[chan1], d1);
1360
1361 buffd[i ] = 0;
1362 buffd[i + 1] = 0;
1363
1364 sp += chan2;
1365 dp += chan2;
1366 }
1367 }
1368 }
1369
1370 pk += kw;
1371 }
1372 }
1373
1374 /* last pixels */
1375 for (; i < wid; i++) {
1376 mlib_s32 *pk = k, x, s = 0;
1377
1378 for (l = 0; l < n; l++) {
1379 mlib_s32 *buff = buffc[l] + i;
1380
1381 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
1382 }
1383
1384 STORE_RES(dp[0], s);
1385
1386 buffn[i + dx_l] = (mlib_s32)sp[0];
1387
1388 sp += chan1;
1389 dp += chan1;
1390 }
1391
1392 for (; i < swid; i++) {
1393 buffn[i + dx_l] = (mlib_s32)sp[0];
1394 sp += chan1;
1395 }
1396
1397 for (i = 0; i < dx_l; i++) buffn[i] = buffn[dx_l];
1398 for (i = 0; i < dx_r; i++) buffn[swid + dx_l + i] = buffn[swid + dx_l - 1];
1399
1400 /* next line */
1401
1402 if (j < hgt - dy_b - 2) sl += sll;
1403 dl += dll;
1404
1405 buff_ind++;
1406
1407 if (buff_ind >= n + 1) buff_ind = 0;
1408 }
1409 }
1410
1411 if (pbuff != buff) mlib_free(pbuff);
1412 if (k != k_locl) mlib_free(k);
1413
1414 return MLIB_SUCCESS;
1415 }
1416
1417 #endif /* __sparc ( for x86, using integer multiplies is faster ) */
1418
1419 /***************************************************************/
1420