Clarify comment about parity nibble.
[libav.git] / libpostproc / postprocess_altivec_template.c
1 /*
2 * AltiVec optimizations (C) 2004 Romain Dolbeau <romain@dolbeau.org>
3 *
4 * based on code by Copyright (C) 2001-2003 Michael Niedermayer (michaelni@gmx.at)
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "libavutil/avutil.h"
24
25 #define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
26 do { \
27 __typeof__(src_a) tempA1, tempB1, tempC1, tempD1; \
28 __typeof__(src_a) tempE1, tempF1, tempG1, tempH1; \
29 __typeof__(src_a) tempA2, tempB2, tempC2, tempD2; \
30 __typeof__(src_a) tempE2, tempF2, tempG2, tempH2; \
31 tempA1 = vec_mergeh (src_a, src_e); \
32 tempB1 = vec_mergel (src_a, src_e); \
33 tempC1 = vec_mergeh (src_b, src_f); \
34 tempD1 = vec_mergel (src_b, src_f); \
35 tempE1 = vec_mergeh (src_c, src_g); \
36 tempF1 = vec_mergel (src_c, src_g); \
37 tempG1 = vec_mergeh (src_d, src_h); \
38 tempH1 = vec_mergel (src_d, src_h); \
39 tempA2 = vec_mergeh (tempA1, tempE1); \
40 tempB2 = vec_mergel (tempA1, tempE1); \
41 tempC2 = vec_mergeh (tempB1, tempF1); \
42 tempD2 = vec_mergel (tempB1, tempF1); \
43 tempE2 = vec_mergeh (tempC1, tempG1); \
44 tempF2 = vec_mergel (tempC1, tempG1); \
45 tempG2 = vec_mergeh (tempD1, tempH1); \
46 tempH2 = vec_mergel (tempD1, tempH1); \
47 src_a = vec_mergeh (tempA2, tempE2); \
48 src_b = vec_mergel (tempA2, tempE2); \
49 src_c = vec_mergeh (tempB2, tempF2); \
50 src_d = vec_mergel (tempB2, tempF2); \
51 src_e = vec_mergeh (tempC2, tempG2); \
52 src_f = vec_mergel (tempC2, tempG2); \
53 src_g = vec_mergeh (tempD2, tempH2); \
54 src_h = vec_mergel (tempD2, tempH2); \
55 } while (0)
56
57
58 static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
59 /*
60 this code makes no assumption on src or stride.
61 One could remove the recomputation of the perm
62 vector by assuming (stride % 16) == 0, unfortunately
63 this is not always true.
64 */
65 DECLARE_ALIGNED(16, short, data[8]) =
66 {
67 ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1,
68 data[0] * 2 + 1,
69 c->QP * 2,
70 c->QP * 4
71 };
72 int numEq;
73 uint8_t *src2 = src;
74 vector signed short v_dcOffset;
75 vector signed short v2QP;
76 vector unsigned short v4QP;
77 vector unsigned short v_dcThreshold;
78 const int properStride = (stride % 16);
79 const int srcAlign = ((unsigned long)src2 % 16);
80 const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0;
81 const vector signed int zero = vec_splat_s32(0);
82 const vector signed short mask = vec_splat_s16(1);
83 vector signed int v_numEq = vec_splat_s32(0);
84 vector signed short v_data = vec_ld(0, data);
85 vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3,
86 v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
87 //FIXME avoid this mess if possible
88 register int j0 = 0,
89 j1 = stride,
90 j2 = 2 * stride,
91 j3 = 3 * stride,
92 j4 = 4 * stride,
93 j5 = 5 * stride,
94 j6 = 6 * stride,
95 j7 = 7 * stride;
96 vector unsigned char v_srcA0, v_srcA1, v_srcA2, v_srcA3,
97 v_srcA4, v_srcA5, v_srcA6, v_srcA7;
98
99 v_dcOffset = vec_splat(v_data, 0);
100 v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1);
101 v2QP = vec_splat(v_data, 2);
102 v4QP = (vector unsigned short)vec_splat(v_data, 3);
103
104 src2 += stride * 4;
105
106 #define LOAD_LINE(i) \
107 { \
108 vector unsigned char perm##i = vec_lvsl(j##i, src2); \
109 vector unsigned char v_srcA2##i; \
110 vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \
111 if (two_vectors) \
112 v_srcA2##i = vec_ld(j##i + 16, src2); \
113 v_srcA##i = \
114 vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \
115 v_srcAss##i = \
116 (vector signed short)vec_mergeh((vector signed char)zero, \
117 (vector signed char)v_srcA##i); }
118
119 #define LOAD_LINE_ALIGNED(i) \
120 v_srcA##i = vec_ld(j##i, src2); \
121 v_srcAss##i = \
122 (vector signed short)vec_mergeh((vector signed char)zero, \
123 (vector signed char)v_srcA##i)
124
125 /* Special-casing the aligned case is worthwhile, as all calls from
126 * the (transposed) horizontable deblocks will be aligned, in addition
127 * to the naturally aligned vertical deblocks. */
128 if (properStride && srcAlign) {
129 LOAD_LINE_ALIGNED(0);
130 LOAD_LINE_ALIGNED(1);
131 LOAD_LINE_ALIGNED(2);
132 LOAD_LINE_ALIGNED(3);
133 LOAD_LINE_ALIGNED(4);
134 LOAD_LINE_ALIGNED(5);
135 LOAD_LINE_ALIGNED(6);
136 LOAD_LINE_ALIGNED(7);
137 } else {
138 LOAD_LINE(0);
139 LOAD_LINE(1);
140 LOAD_LINE(2);
141 LOAD_LINE(3);
142 LOAD_LINE(4);
143 LOAD_LINE(5);
144 LOAD_LINE(6);
145 LOAD_LINE(7);
146 }
147 #undef LOAD_LINE
148 #undef LOAD_LINE_ALIGNED
149
150 #define ITER(i, j) \
151 const vector signed short v_diff##i = \
152 vec_sub(v_srcAss##i, v_srcAss##j); \
153 const vector signed short v_sum##i = \
154 vec_add(v_diff##i, v_dcOffset); \
155 const vector signed short v_comp##i = \
156 (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \
157 v_dcThreshold); \
158 const vector signed short v_part##i = vec_and(mask, v_comp##i);
159
160 {
161 ITER(0, 1)
162 ITER(1, 2)
163 ITER(2, 3)
164 ITER(3, 4)
165 ITER(4, 5)
166 ITER(5, 6)
167 ITER(6, 7)
168
169 v_numEq = vec_sum4s(v_part0, v_numEq);
170 v_numEq = vec_sum4s(v_part1, v_numEq);
171 v_numEq = vec_sum4s(v_part2, v_numEq);
172 v_numEq = vec_sum4s(v_part3, v_numEq);
173 v_numEq = vec_sum4s(v_part4, v_numEq);
174 v_numEq = vec_sum4s(v_part5, v_numEq);
175 v_numEq = vec_sum4s(v_part6, v_numEq);
176 }
177
178 #undef ITER
179
180 v_numEq = vec_sums(v_numEq, zero);
181
182 v_numEq = vec_splat(v_numEq, 3);
183 vec_ste(v_numEq, 0, &numEq);
184
185 if (numEq > c->ppMode.flatnessThreshold){
186 const vector unsigned char mmoP1 = (const vector unsigned char)
187 AVV(0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
188 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B);
189 const vector unsigned char mmoP2 = (const vector unsigned char)
190 AVV(0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
191 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
192 const vector unsigned char mmoP = (const vector unsigned char)
193 vec_lvsl(8, (unsigned char*)0);
194
195 vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1);
196 vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2);
197 vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP);
198 vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1);
199 vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2);
200 vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP);
201 vector signed short mmoDiff = vec_sub(mmoL, mmoR);
202 vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP);
203
204 if (vec_any_gt(mmoSum, v4QP))
205 return 0;
206 else
207 return 1;
208 }
209 else return 2;
210 }
211
212 static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
213 /*
214 this code makes no assumption on src or stride.
215 One could remove the recomputation of the perm
216 vector by assuming (stride % 16) == 0, unfortunately
217 this is not always true. Quite a lot of load/stores
218 can be removed by assuming proper alignment of
219 src & stride :-(
220 */
221 uint8_t *src2 = src;
222 const vector signed int zero = vec_splat_s32(0);
223 const int properStride = (stride % 16);
224 const int srcAlign = ((unsigned long)src2 % 16);
225 DECLARE_ALIGNED(16, short, qp[8]) = {c->QP};
226 vector signed short vqp = vec_ld(0, qp);
227 vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
228 vector unsigned char vbA0, vbA1, vbA2, vbA3, vbA4, vbA5, vbA6, vbA7, vbA8, vbA9;
229 vector unsigned char vbB0, vbB1, vbB2, vbB3, vbB4, vbB5, vbB6, vbB7, vbB8, vbB9;
230 vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
231 vector unsigned char perml0, perml1, perml2, perml3, perml4,
232 perml5, perml6, perml7, perml8, perml9;
233 register int j0 = 0,
234 j1 = stride,
235 j2 = 2 * stride,
236 j3 = 3 * stride,
237 j4 = 4 * stride,
238 j5 = 5 * stride,
239 j6 = 6 * stride,
240 j7 = 7 * stride,
241 j8 = 8 * stride,
242 j9 = 9 * stride;
243
244 vqp = vec_splat(vqp, 0);
245
246 src2 += stride*3;
247
248 #define LOAD_LINE(i) \
249 perml##i = vec_lvsl(i * stride, src2); \
250 vbA##i = vec_ld(i * stride, src2); \
251 vbB##i = vec_ld(i * stride + 16, src2); \
252 vbT##i = vec_perm(vbA##i, vbB##i, perml##i); \
253 vb##i = \
254 (vector signed short)vec_mergeh((vector unsigned char)zero, \
255 (vector unsigned char)vbT##i)
256
257 #define LOAD_LINE_ALIGNED(i) \
258 vbT##i = vec_ld(j##i, src2); \
259 vb##i = \
260 (vector signed short)vec_mergeh((vector signed char)zero, \
261 (vector signed char)vbT##i)
262
263 /* Special-casing the aligned case is worthwhile, as all calls from
264 * the (transposed) horizontable deblocks will be aligned, in addition
265 * to the naturally aligned vertical deblocks. */
266 if (properStride && srcAlign) {
267 LOAD_LINE_ALIGNED(0);
268 LOAD_LINE_ALIGNED(1);
269 LOAD_LINE_ALIGNED(2);
270 LOAD_LINE_ALIGNED(3);
271 LOAD_LINE_ALIGNED(4);
272 LOAD_LINE_ALIGNED(5);
273 LOAD_LINE_ALIGNED(6);
274 LOAD_LINE_ALIGNED(7);
275 LOAD_LINE_ALIGNED(8);
276 LOAD_LINE_ALIGNED(9);
277 } else {
278 LOAD_LINE(0);
279 LOAD_LINE(1);
280 LOAD_LINE(2);
281 LOAD_LINE(3);
282 LOAD_LINE(4);
283 LOAD_LINE(5);
284 LOAD_LINE(6);
285 LOAD_LINE(7);
286 LOAD_LINE(8);
287 LOAD_LINE(9);
288 }
289 #undef LOAD_LINE
290 #undef LOAD_LINE_ALIGNED
291 {
292 const vector unsigned short v_2 = vec_splat_u16(2);
293 const vector unsigned short v_4 = vec_splat_u16(4);
294
295 const vector signed short v_diff01 = vec_sub(vb0, vb1);
296 const vector unsigned short v_cmp01 =
297 (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp);
298 const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01);
299 const vector signed short v_diff89 = vec_sub(vb8, vb9);
300 const vector unsigned short v_cmp89 =
301 (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp);
302 const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89);
303
304 const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1);
305 const vector signed short temp02 = vec_add(vb2, vb3);
306 const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4);
307 const vector signed short v_sumsB0 = vec_add(temp02, temp03);
308
309 const vector signed short temp11 = vec_sub(v_sumsB0, v_first);
310 const vector signed short v_sumsB1 = vec_add(temp11, vb4);
311
312 const vector signed short temp21 = vec_sub(v_sumsB1, v_first);
313 const vector signed short v_sumsB2 = vec_add(temp21, vb5);
314
315 const vector signed short temp31 = vec_sub(v_sumsB2, v_first);
316 const vector signed short v_sumsB3 = vec_add(temp31, vb6);
317
318 const vector signed short temp41 = vec_sub(v_sumsB3, v_first);
319 const vector signed short v_sumsB4 = vec_add(temp41, vb7);
320
321 const vector signed short temp51 = vec_sub(v_sumsB4, vb1);
322 const vector signed short v_sumsB5 = vec_add(temp51, vb8);
323
324 const vector signed short temp61 = vec_sub(v_sumsB5, vb2);
325 const vector signed short v_sumsB6 = vec_add(temp61, v_last);
326
327 const vector signed short temp71 = vec_sub(v_sumsB6, vb3);
328 const vector signed short v_sumsB7 = vec_add(temp71, v_last);
329
330 const vector signed short temp81 = vec_sub(v_sumsB7, vb4);
331 const vector signed short v_sumsB8 = vec_add(temp81, v_last);
332
333 const vector signed short temp91 = vec_sub(v_sumsB8, vb5);
334 const vector signed short v_sumsB9 = vec_add(temp91, v_last);
335
336 #define COMPUTE_VR(i, j, k) \
337 const vector signed short temps1##i = \
338 vec_add(v_sumsB##i, v_sumsB##k); \
339 const vector signed short temps2##i = \
340 vec_mladd(vb##j, (vector signed short)v_2, temps1##i); \
341 const vector signed short vr##j = vec_sra(temps2##i, v_4)
342
343 COMPUTE_VR(0, 1, 2);
344 COMPUTE_VR(1, 2, 3);
345 COMPUTE_VR(2, 3, 4);
346 COMPUTE_VR(3, 4, 5);
347 COMPUTE_VR(4, 5, 6);
348 COMPUTE_VR(5, 6, 7);
349 COMPUTE_VR(6, 7, 8);
350 COMPUTE_VR(7, 8, 9);
351
352 const vector signed char neg1 = vec_splat_s8(-1);
353 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
354 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
355
356 #define PACK_AND_STORE(i) \
357 { const vector unsigned char perms##i = \
358 vec_lvsr(i * stride, src2); \
359 const vector unsigned char vf##i = \
360 vec_packsu(vr##i, (vector signed short)zero); \
361 const vector unsigned char vg##i = \
362 vec_perm(vf##i, vbT##i, permHH); \
363 const vector unsigned char mask##i = \
364 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
365 const vector unsigned char vg2##i = \
366 vec_perm(vg##i, vg##i, perms##i); \
367 const vector unsigned char svA##i = \
368 vec_sel(vbA##i, vg2##i, mask##i); \
369 const vector unsigned char svB##i = \
370 vec_sel(vg2##i, vbB##i, mask##i); \
371 vec_st(svA##i, i * stride, src2); \
372 vec_st(svB##i, i * stride + 16, src2);}
373
374 #define PACK_AND_STORE_ALIGNED(i) \
375 { const vector unsigned char vf##i = \
376 vec_packsu(vr##i, (vector signed short)zero); \
377 const vector unsigned char vg##i = \
378 vec_perm(vf##i, vbT##i, permHH); \
379 vec_st(vg##i, i * stride, src2);}
380
381 /* Special-casing the aligned case is worthwhile, as all calls from
382 * the (transposed) horizontable deblocks will be aligned, in addition
383 * to the naturally aligned vertical deblocks. */
384 if (properStride && srcAlign) {
385 PACK_AND_STORE_ALIGNED(1)
386 PACK_AND_STORE_ALIGNED(2)
387 PACK_AND_STORE_ALIGNED(3)
388 PACK_AND_STORE_ALIGNED(4)
389 PACK_AND_STORE_ALIGNED(5)
390 PACK_AND_STORE_ALIGNED(6)
391 PACK_AND_STORE_ALIGNED(7)
392 PACK_AND_STORE_ALIGNED(8)
393 } else {
394 PACK_AND_STORE(1)
395 PACK_AND_STORE(2)
396 PACK_AND_STORE(3)
397 PACK_AND_STORE(4)
398 PACK_AND_STORE(5)
399 PACK_AND_STORE(6)
400 PACK_AND_STORE(7)
401 PACK_AND_STORE(8)
402 }
403 #undef PACK_AND_STORE
404 #undef PACK_AND_STORE_ALIGNED
405 }
406 }
407
408
409
410 static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
411 /*
412 this code makes no assumption on src or stride.
413 One could remove the recomputation of the perm
414 vector by assuming (stride % 16) == 0, unfortunately
415 this is not always true. Quite a lot of load/stores
416 can be removed by assuming proper alignment of
417 src & stride :-(
418 */
419 uint8_t *src2 = src + stride*3;
420 const vector signed int zero = vec_splat_s32(0);
421 DECLARE_ALIGNED(16, short, qp[8]) = {8*c->QP};
422 vector signed short vqp = vec_splat(
423 (vector signed short)vec_ld(0, qp), 0);
424
425 #define LOAD_LINE(i) \
426 const vector unsigned char perm##i = \
427 vec_lvsl(i * stride, src2); \
428 const vector unsigned char vbA##i = \
429 vec_ld(i * stride, src2); \
430 const vector unsigned char vbB##i = \
431 vec_ld(i * stride + 16, src2); \
432 const vector unsigned char vbT##i = \
433 vec_perm(vbA##i, vbB##i, perm##i); \
434 const vector signed short vb##i = \
435 (vector signed short)vec_mergeh((vector unsigned char)zero, \
436 (vector unsigned char)vbT##i)
437
438 LOAD_LINE(1);
439 LOAD_LINE(2);
440 LOAD_LINE(3);
441 LOAD_LINE(4);
442 LOAD_LINE(5);
443 LOAD_LINE(6);
444 LOAD_LINE(7);
445 LOAD_LINE(8);
446 #undef LOAD_LINE
447
448 const vector signed short v_1 = vec_splat_s16(1);
449 const vector signed short v_2 = vec_splat_s16(2);
450 const vector signed short v_5 = vec_splat_s16(5);
451 const vector signed short v_32 = vec_sl(v_1,
452 (vector unsigned short)v_5);
453 /* middle energy */
454 const vector signed short l3minusl6 = vec_sub(vb3, vb6);
455 const vector signed short l5minusl4 = vec_sub(vb5, vb4);
456 const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero);
457 const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6);
458 const vector signed short absmE = vec_abs(mE);
459 /* left & right energy */
460 const vector signed short l1minusl4 = vec_sub(vb1, vb4);
461 const vector signed short l3minusl2 = vec_sub(vb3, vb2);
462 const vector signed short l5minusl8 = vec_sub(vb5, vb8);
463 const vector signed short l7minusl6 = vec_sub(vb7, vb6);
464 const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero);
465 const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero);
466 const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4);
467 const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8);
468 /* d */
469 const vector signed short ddiff = vec_sub(absmE,
470 vec_min(vec_abs(lE),
471 vec_abs(rE)));
472 const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero);
473 const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32);
474 const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6));
475 const vector signed short minusd = vec_sub((vector signed short)zero, d);
476 const vector signed short finald = vec_sel(minusd,
477 d,
478 vec_cmpgt(vec_sub((vector signed short)zero, mE),
479 (vector signed short)zero));
480 /* q */
481 const vector signed short qtimes2 = vec_sub(vb4, vb5);
482 /* for a shift right to behave like /2, we need to add one
483 to all negative integer */
484 const vector signed short rounddown = vec_sel((vector signed short)zero,
485 v_1,
486 vec_cmplt(qtimes2, (vector signed short)zero));
487 const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1));
488 /* clamp */
489 const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald);
490 const vector signed short dclamp_P = vec_min(dclamp_P1, q);
491 const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald);
492 const vector signed short dclamp_N = vec_max(dclamp_N1, q);
493
494 const vector signed short dclampedfinal = vec_sel(dclamp_N,
495 dclamp_P,
496 vec_cmpgt(q, (vector signed short)zero));
497 const vector signed short dornotd = vec_sel((vector signed short)zero,
498 dclampedfinal,
499 vec_cmplt(absmE, vqp));
500 /* add/subtract to l4 and l5 */
501 const vector signed short vb4minusd = vec_sub(vb4, dornotd);
502 const vector signed short vb5plusd = vec_add(vb5, dornotd);
503 /* finally, stores */
504 const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero);
505 const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero);
506
507 const vector signed char neg1 = vec_splat_s8(-1);
508 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
509 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
510
511 #define STORE(i) \
512 { const vector unsigned char perms##i = \
513 vec_lvsr(i * stride, src2); \
514 const vector unsigned char vg##i = \
515 vec_perm(st##i, vbT##i, permHH); \
516 const vector unsigned char mask##i = \
517 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
518 const vector unsigned char vg2##i = \
519 vec_perm(vg##i, vg##i, perms##i); \
520 const vector unsigned char svA##i = \
521 vec_sel(vbA##i, vg2##i, mask##i); \
522 const vector unsigned char svB##i = \
523 vec_sel(vg2##i, vbB##i, mask##i); \
524 vec_st(svA##i, i * stride, src2); \
525 vec_st(svB##i, i * stride + 16, src2);}
526
527 STORE(4)
528 STORE(5)
529 }
530
531 static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
532 /*
533 this code makes no assumption on src or stride.
534 One could remove the recomputation of the perm
535 vector by assuming (stride % 16) == 0, unfortunately
536 this is not always true. Quite a lot of load/stores
537 can be removed by assuming proper alignment of
538 src & stride :-(
539 */
540 uint8_t *srcCopy = src;
541 DECLARE_ALIGNED(16, uint8_t, dt[16]);
542 const vector signed int zero = vec_splat_s32(0);
543 vector unsigned char v_dt;
544 dt[0] = deringThreshold;
545 v_dt = vec_splat(vec_ld(0, dt), 0);
546
547 #define LOAD_LINE(i) \
548 const vector unsigned char perm##i = \
549 vec_lvsl(i * stride, srcCopy); \
550 vector unsigned char sA##i = vec_ld(i * stride, srcCopy); \
551 vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy); \
552 vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
553
554 LOAD_LINE(0);
555 LOAD_LINE(1);
556 LOAD_LINE(2);
557 LOAD_LINE(3);
558 LOAD_LINE(4);
559 LOAD_LINE(5);
560 LOAD_LINE(6);
561 LOAD_LINE(7);
562 LOAD_LINE(8);
563 LOAD_LINE(9);
564 #undef LOAD_LINE
565
566 vector unsigned char v_avg;
567 {
568 const vector unsigned char trunc_perm = (vector unsigned char)
569 AVV(0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
570 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18);
571 const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm);
572 const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm);
573 const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm);
574 const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm);
575
576 #define EXTRACT(op) do { \
577 const vector unsigned char s##op##_1 = vec_##op(trunc_src12, trunc_src34); \
578 const vector unsigned char s##op##_2 = vec_##op(trunc_src56, trunc_src78); \
579 const vector unsigned char s##op##_6 = vec_##op(s##op##_1, s##op##_2); \
580 const vector unsigned char s##op##_8h = vec_mergeh(s##op##_6, s##op##_6); \
581 const vector unsigned char s##op##_8l = vec_mergel(s##op##_6, s##op##_6); \
582 const vector unsigned char s##op##_9 = vec_##op(s##op##_8h, s##op##_8l); \
583 const vector unsigned char s##op##_9h = vec_mergeh(s##op##_9, s##op##_9); \
584 const vector unsigned char s##op##_9l = vec_mergel(s##op##_9, s##op##_9); \
585 const vector unsigned char s##op##_10 = vec_##op(s##op##_9h, s##op##_9l); \
586 const vector unsigned char s##op##_10h = vec_mergeh(s##op##_10, s##op##_10); \
587 const vector unsigned char s##op##_10l = vec_mergel(s##op##_10, s##op##_10); \
588 const vector unsigned char s##op##_11 = vec_##op(s##op##_10h, s##op##_10l); \
589 const vector unsigned char s##op##_11h = vec_mergeh(s##op##_11, s##op##_11); \
590 const vector unsigned char s##op##_11l = vec_mergel(s##op##_11, s##op##_11); \
591 v_##op = vec_##op(s##op##_11h, s##op##_11l); } while (0)
592
593 vector unsigned char v_min;
594 vector unsigned char v_max;
595 EXTRACT(min);
596 EXTRACT(max);
597 #undef EXTRACT
598
599 if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
600 return;
601
602 v_avg = vec_avg(v_min, v_max);
603 }
604
605 DECLARE_ALIGNED(16, signed int, S[8]);
606 {
607 const vector unsigned short mask1 = (vector unsigned short)
608 AVV(0x0001, 0x0002, 0x0004, 0x0008,
609 0x0010, 0x0020, 0x0040, 0x0080);
610 const vector unsigned short mask2 = (vector unsigned short)
611 AVV(0x0100, 0x0200, 0x0000, 0x0000,
612 0x0000, 0x0000, 0x0000, 0x0000);
613
614 const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4));
615 const vector unsigned int vuint32_1 = vec_splat_u32(1);
616
617 #define COMPARE(i) \
618 vector signed int sum##i; \
619 do { \
620 const vector unsigned char cmp##i = \
621 (vector unsigned char)vec_cmpgt(src##i, v_avg); \
622 const vector unsigned short cmpHi##i = \
623 (vector unsigned short)vec_mergeh(cmp##i, cmp##i); \
624 const vector unsigned short cmpLi##i = \
625 (vector unsigned short)vec_mergel(cmp##i, cmp##i); \
626 const vector signed short cmpHf##i = \
627 (vector signed short)vec_and(cmpHi##i, mask1); \
628 const vector signed short cmpLf##i = \
629 (vector signed short)vec_and(cmpLi##i, mask2); \
630 const vector signed int sump##i = vec_sum4s(cmpHf##i, zero); \
631 const vector signed int sumq##i = vec_sum4s(cmpLf##i, sump##i); \
632 sum##i = vec_sums(sumq##i, zero); } while (0)
633
634 COMPARE(0);
635 COMPARE(1);
636 COMPARE(2);
637 COMPARE(3);
638 COMPARE(4);
639 COMPARE(5);
640 COMPARE(6);
641 COMPARE(7);
642 COMPARE(8);
643 COMPARE(9);
644 #undef COMPARE
645
646 vector signed int sumA2;
647 vector signed int sumB2;
648 {
649 const vector signed int sump02 = vec_mergel(sum0, sum2);
650 const vector signed int sump13 = vec_mergel(sum1, sum3);
651 const vector signed int sumA = vec_mergel(sump02, sump13);
652
653 const vector signed int sump46 = vec_mergel(sum4, sum6);
654 const vector signed int sump57 = vec_mergel(sum5, sum7);
655 const vector signed int sumB = vec_mergel(sump46, sump57);
656
657 const vector signed int sump8A = vec_mergel(sum8, zero);
658 const vector signed int sump9B = vec_mergel(sum9, zero);
659 const vector signed int sumC = vec_mergel(sump8A, sump9B);
660
661 const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16);
662 const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16);
663 const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16);
664 const vector signed int t2A = vec_or(sumA, tA);
665 const vector signed int t2B = vec_or(sumB, tB);
666 const vector signed int t2C = vec_or(sumC, tC);
667 const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1),
668 vec_sl(t2A, vuint32_1));
669 const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
670 vec_sl(t2B, vuint32_1));
671 const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
672 vec_sl(t2C, vuint32_1));
673 const vector signed int yA = vec_and(t2A, t3A);
674 const vector signed int yB = vec_and(t2B, t3B);
675 const vector signed int yC = vec_and(t2C, t3C);
676
677 const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0);
678 const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0);
679 const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1);
680 const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2);
681 const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1);
682 const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2);
683 const vector signed int sumAp = vec_and(yA,
684 vec_and(sumAd4,sumAd8));
685 const vector signed int sumBp = vec_and(yB,
686 vec_and(sumBd4,sumBd8));
687 sumA2 = vec_or(sumAp,
688 vec_sra(sumAp,
689 vuint32_16));
690 sumB2 = vec_or(sumBp,
691 vec_sra(sumBp,
692 vuint32_16));
693 }
694 vec_st(sumA2, 0, S);
695 vec_st(sumB2, 16, S);
696 }
697
698 /* I'm not sure the following is actually faster
699 than straight, unvectorized C code :-( */
700
701 DECLARE_ALIGNED(16, int, tQP2[4]);
702 tQP2[0]= c->QP/2 + 1;
703 vector signed int vQP2 = vec_ld(0, tQP2);
704 vQP2 = vec_splat(vQP2, 0);
705 const vector signed int vsint32_8 = vec_splat_s32(8);
706 const vector unsigned int vuint32_4 = vec_splat_u32(4);
707
708 const vector unsigned char permA1 = (vector unsigned char)
709 AVV(0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
710 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
711 const vector unsigned char permA2 = (vector unsigned char)
712 AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
713 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
714 const vector unsigned char permA1inc = (vector unsigned char)
715 AVV(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
716 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
717 const vector unsigned char permA2inc = (vector unsigned char)
718 AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
719 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
720 const vector unsigned char magic = (vector unsigned char)
721 AVV(0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
722 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
723 const vector unsigned char extractPerm = (vector unsigned char)
724 AVV(0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
725 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01);
726 const vector unsigned char extractPermInc = (vector unsigned char)
727 AVV(0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
728 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01);
729 const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
730 const vector unsigned char tenRight = (vector unsigned char)
731 AVV(0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
732 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
733 const vector unsigned char eightLeft = (vector unsigned char)
734 AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
735 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08);
736
737
738 #define F_INIT(i) \
739 vector unsigned char tenRightM##i = tenRight; \
740 vector unsigned char permA1M##i = permA1; \
741 vector unsigned char permA2M##i = permA2; \
742 vector unsigned char extractPermM##i = extractPerm
743
744 #define F2(i, j, k, l) \
745 if (S[i] & (1 << (l+1))) { \
746 const vector unsigned char a_##j##_A##l = \
747 vec_perm(src##i, src##j, permA1M##i); \
748 const vector unsigned char a_##j##_B##l = \
749 vec_perm(a_##j##_A##l, src##k, permA2M##i); \
750 const vector signed int a_##j##_sump##l = \
751 (vector signed int)vec_msum(a_##j##_B##l, magic, \
752 (vector unsigned int)zero); \
753 vector signed int F_##j##_##l = \
754 vec_sr(vec_sums(a_##j##_sump##l, vsint32_8), vuint32_4); \
755 F_##j##_##l = vec_splat(F_##j##_##l, 3); \
756 const vector signed int p_##j##_##l = \
757 (vector signed int)vec_perm(src##j, \
758 (vector unsigned char)zero, \
759 extractPermM##i); \
760 const vector signed int sum_##j##_##l = vec_add( p_##j##_##l, vQP2);\
761 const vector signed int diff_##j##_##l = vec_sub( p_##j##_##l, vQP2);\
762 vector signed int newpm_##j##_##l; \
763 if (vec_all_lt(sum_##j##_##l, F_##j##_##l)) \
764 newpm_##j##_##l = sum_##j##_##l; \
765 else if (vec_all_gt(diff_##j##_##l, F_##j##_##l)) \
766 newpm_##j##_##l = diff_##j##_##l; \
767 else newpm_##j##_##l = F_##j##_##l; \
768 const vector unsigned char newpm2_##j##_##l = \
769 vec_splat((vector unsigned char)newpm_##j##_##l, 15); \
770 const vector unsigned char mask##j##l = vec_add(identity, \
771 tenRightM##i); \
772 src##j = vec_perm(src##j, newpm2_##j##_##l, mask##j##l); \
773 } \
774 permA1M##i = vec_add(permA1M##i, permA1inc); \
775 permA2M##i = vec_add(permA2M##i, permA2inc); \
776 tenRightM##i = vec_sro(tenRightM##i, eightLeft); \
777 extractPermM##i = vec_add(extractPermM##i, extractPermInc)
778
779 #define ITER(i, j, k) \
780 F_INIT(i); \
781 F2(i, j, k, 0); \
782 F2(i, j, k, 1); \
783 F2(i, j, k, 2); \
784 F2(i, j, k, 3); \
785 F2(i, j, k, 4); \
786 F2(i, j, k, 5); \
787 F2(i, j, k, 6); \
788 F2(i, j, k, 7)
789
790 ITER(0, 1, 2);
791 ITER(1, 2, 3);
792 ITER(2, 3, 4);
793 ITER(3, 4, 5);
794 ITER(4, 5, 6);
795 ITER(5, 6, 7);
796 ITER(6, 7, 8);
797 ITER(7, 8, 9);
798
799 const vector signed char neg1 = vec_splat_s8(-1);
800
801 #define STORE_LINE(i) \
802 const vector unsigned char permST##i = \
803 vec_lvsr(i * stride, srcCopy); \
804 const vector unsigned char maskST##i = \
805 vec_perm((vector unsigned char)zero, \
806 (vector unsigned char)neg1, permST##i);\
807 src##i = vec_perm(src##i ,src##i, permST##i); \
808 sA##i= vec_sel(sA##i, src##i, maskST##i); \
809 sB##i= vec_sel(src##i, sB##i, maskST##i); \
810 vec_st(sA##i, i * stride, srcCopy); \
811 vec_st(sB##i, i * stride + 16, srcCopy)
812
813 STORE_LINE(1);
814 STORE_LINE(2);
815 STORE_LINE(3);
816 STORE_LINE(4);
817 STORE_LINE(5);
818 STORE_LINE(6);
819 STORE_LINE(7);
820 STORE_LINE(8);
821
822 #undef STORE_LINE
823 #undef ITER
824 #undef F2
825 }
826
827 #define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
828 #define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
829 #define do_a_deblock_altivec(a...) do_a_deblock_C(a)
830
831 static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
832 uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise)
833 {
834 const vector signed int zero = vec_splat_s32(0);
835 const vector signed short vsint16_1 = vec_splat_s16(1);
836 vector signed int v_dp = zero;
837 vector signed int v_sysdp = zero;
838 int d, sysd, i;
839
840 tempBlurredPast[127]= maxNoise[0];
841 tempBlurredPast[128]= maxNoise[1];
842 tempBlurredPast[129]= maxNoise[2];
843
844 #define LOAD_LINE(src, i) \
845 register int j##src##i = i * stride; \
846 vector unsigned char perm##src##i = vec_lvsl(j##src##i, src); \
847 const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \
848 const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \
849 const vector unsigned char v_##src##A##i = \
850 vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i); \
851 vector signed short v_##src##Ass##i = \
852 (vector signed short)vec_mergeh((vector signed char)zero, \
853 (vector signed char)v_##src##A##i)
854
855 LOAD_LINE(src, 0);
856 LOAD_LINE(src, 1);
857 LOAD_LINE(src, 2);
858 LOAD_LINE(src, 3);
859 LOAD_LINE(src, 4);
860 LOAD_LINE(src, 5);
861 LOAD_LINE(src, 6);
862 LOAD_LINE(src, 7);
863
864 LOAD_LINE(tempBlurred, 0);
865 LOAD_LINE(tempBlurred, 1);
866 LOAD_LINE(tempBlurred, 2);
867 LOAD_LINE(tempBlurred, 3);
868 LOAD_LINE(tempBlurred, 4);
869 LOAD_LINE(tempBlurred, 5);
870 LOAD_LINE(tempBlurred, 6);
871 LOAD_LINE(tempBlurred, 7);
872 #undef LOAD_LINE
873
874 #define ACCUMULATE_DIFFS(i) \
875 vector signed short v_d##i = vec_sub(v_tempBlurredAss##i, \
876 v_srcAss##i); \
877 v_dp = vec_msums(v_d##i, v_d##i, v_dp); \
878 v_sysdp = vec_msums(v_d##i, vsint16_1, v_sysdp)
879
880 ACCUMULATE_DIFFS(0);
881 ACCUMULATE_DIFFS(1);
882 ACCUMULATE_DIFFS(2);
883 ACCUMULATE_DIFFS(3);
884 ACCUMULATE_DIFFS(4);
885 ACCUMULATE_DIFFS(5);
886 ACCUMULATE_DIFFS(6);
887 ACCUMULATE_DIFFS(7);
888 #undef ACCUMULATE_DIFFS
889
890 v_dp = vec_sums(v_dp, zero);
891 v_sysdp = vec_sums(v_sysdp, zero);
892
893 v_dp = vec_splat(v_dp, 3);
894 v_sysdp = vec_splat(v_sysdp, 3);
895
896 vec_ste(v_dp, 0, &d);
897 vec_ste(v_sysdp, 0, &sysd);
898
899 i = d;
900 d = (4*d
901 +(*(tempBlurredPast-256))
902 +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1))
903 +(*(tempBlurredPast+256))
904 +4)>>3;
905
906 *tempBlurredPast=i;
907
908 if (d > maxNoise[1]) {
909 if (d < maxNoise[2]) {
910 #define OP(i) v_tempBlurredAss##i = vec_avg(v_tempBlurredAss##i, v_srcAss##i);
911
912 OP(0);
913 OP(1);
914 OP(2);
915 OP(3);
916 OP(4);
917 OP(5);
918 OP(6);
919 OP(7);
920 #undef OP
921 } else {
922 #define OP(i) v_tempBlurredAss##i = v_srcAss##i;
923
924 OP(0);
925 OP(1);
926 OP(2);
927 OP(3);
928 OP(4);
929 OP(5);
930 OP(6);
931 OP(7);
932 #undef OP
933 }
934 } else {
935 if (d < maxNoise[0]) {
936 const vector signed short vsint16_7 = vec_splat_s16(7);
937 const vector signed short vsint16_4 = vec_splat_s16(4);
938 const vector unsigned short vuint16_3 = vec_splat_u16(3);
939
940 #define OP(i) \
941 const vector signed short v_temp##i = \
942 vec_mladd(v_tempBlurredAss##i, \
943 vsint16_7, v_srcAss##i); \
944 const vector signed short v_temp2##i = \
945 vec_add(v_temp##i, vsint16_4); \
946 v_tempBlurredAss##i = vec_sr(v_temp2##i, vuint16_3)
947
948 OP(0);
949 OP(1);
950 OP(2);
951 OP(3);
952 OP(4);
953 OP(5);
954 OP(6);
955 OP(7);
956 #undef OP
957 } else {
958 const vector signed short vsint16_3 = vec_splat_s16(3);
959 const vector signed short vsint16_2 = vec_splat_s16(2);
960
961 #define OP(i) \
962 const vector signed short v_temp##i = \
963 vec_mladd(v_tempBlurredAss##i, \
964 vsint16_3, v_srcAss##i); \
965 const vector signed short v_temp2##i = \
966 vec_add(v_temp##i, vsint16_2); \
967 v_tempBlurredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)
968
969 OP(0);
970 OP(1);
971 OP(2);
972 OP(3);
973 OP(4);
974 OP(5);
975 OP(6);
976 OP(7);
977 #undef OP
978 }
979 }
980
981 const vector signed char neg1 = vec_splat_s8(-1);
982 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
983 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
984
985 #define PACK_AND_STORE(src, i) \
986 const vector unsigned char perms##src##i = \
987 vec_lvsr(i * stride, src); \
988 const vector unsigned char vf##src##i = \
989 vec_packsu(v_tempBlurredAss##i, (vector signed short)zero); \
990 const vector unsigned char vg##src##i = \
991 vec_perm(vf##src##i, v_##src##A##i, permHH); \
992 const vector unsigned char mask##src##i = \
993 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
994 const vector unsigned char vg2##src##i = \
995 vec_perm(vg##src##i, vg##src##i, perms##src##i); \
996 const vector unsigned char svA##src##i = \
997 vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i); \
998 const vector unsigned char svB##src##i = \
999 vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i); \
1000 vec_st(svA##src##i, i * stride, src); \
1001 vec_st(svB##src##i, i * stride + 16, src)
1002
1003 PACK_AND_STORE(src, 0);
1004 PACK_AND_STORE(src, 1);
1005 PACK_AND_STORE(src, 2);
1006 PACK_AND_STORE(src, 3);
1007 PACK_AND_STORE(src, 4);
1008 PACK_AND_STORE(src, 5);
1009 PACK_AND_STORE(src, 6);
1010 PACK_AND_STORE(src, 7);
1011 PACK_AND_STORE(tempBlurred, 0);
1012 PACK_AND_STORE(tempBlurred, 1);
1013 PACK_AND_STORE(tempBlurred, 2);
1014 PACK_AND_STORE(tempBlurred, 3);
1015 PACK_AND_STORE(tempBlurred, 4);
1016 PACK_AND_STORE(tempBlurred, 5);
1017 PACK_AND_STORE(tempBlurred, 6);
1018 PACK_AND_STORE(tempBlurred, 7);
1019 #undef PACK_AND_STORE
1020 }
1021
1022 static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1023 const vector unsigned char zero = vec_splat_u8(0);
1024
1025 #define LOAD_DOUBLE_LINE(i, j) \
1026 vector unsigned char perm1##i = vec_lvsl(i * stride, src); \
1027 vector unsigned char perm2##i = vec_lvsl(j * stride, src); \
1028 vector unsigned char srcA##i = vec_ld(i * stride, src); \
1029 vector unsigned char srcB##i = vec_ld(i * stride + 16, src); \
1030 vector unsigned char srcC##i = vec_ld(j * stride, src); \
1031 vector unsigned char srcD##i = vec_ld(j * stride+ 16, src); \
1032 vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \
1033 vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)
1034
1035 LOAD_DOUBLE_LINE(0, 1);
1036 LOAD_DOUBLE_LINE(2, 3);
1037 LOAD_DOUBLE_LINE(4, 5);
1038 LOAD_DOUBLE_LINE(6, 7);
1039 #undef LOAD_DOUBLE_LINE
1040
1041 vector unsigned char tempA = vec_mergeh(src0, zero);
1042 vector unsigned char tempB = vec_mergel(src0, zero);
1043 vector unsigned char tempC = vec_mergeh(src1, zero);
1044 vector unsigned char tempD = vec_mergel(src1, zero);
1045 vector unsigned char tempE = vec_mergeh(src2, zero);
1046 vector unsigned char tempF = vec_mergel(src2, zero);
1047 vector unsigned char tempG = vec_mergeh(src3, zero);
1048 vector unsigned char tempH = vec_mergel(src3, zero);
1049 vector unsigned char tempI = vec_mergeh(src4, zero);
1050 vector unsigned char tempJ = vec_mergel(src4, zero);
1051 vector unsigned char tempK = vec_mergeh(src5, zero);
1052 vector unsigned char tempL = vec_mergel(src5, zero);
1053 vector unsigned char tempM = vec_mergeh(src6, zero);
1054 vector unsigned char tempN = vec_mergel(src6, zero);
1055 vector unsigned char tempO = vec_mergeh(src7, zero);
1056 vector unsigned char tempP = vec_mergel(src7, zero);
1057
1058 vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1059 vector unsigned char temp1 = vec_mergel(tempA, tempI);
1060 vector unsigned char temp2 = vec_mergeh(tempB, tempJ);
1061 vector unsigned char temp3 = vec_mergel(tempB, tempJ);
1062 vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1063 vector unsigned char temp5 = vec_mergel(tempC, tempK);
1064 vector unsigned char temp6 = vec_mergeh(tempD, tempL);
1065 vector unsigned char temp7 = vec_mergel(tempD, tempL);
1066 vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1067 vector unsigned char temp9 = vec_mergel(tempE, tempM);
1068 vector unsigned char temp10 = vec_mergeh(tempF, tempN);
1069 vector unsigned char temp11 = vec_mergel(tempF, tempN);
1070 vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1071 vector unsigned char temp13 = vec_mergel(tempG, tempO);
1072 vector unsigned char temp14 = vec_mergeh(tempH, tempP);
1073 vector unsigned char temp15 = vec_mergel(tempH, tempP);
1074
1075 tempA = vec_mergeh(temp0, temp8);
1076 tempB = vec_mergel(temp0, temp8);
1077 tempC = vec_mergeh(temp1, temp9);
1078 tempD = vec_mergel(temp1, temp9);
1079 tempE = vec_mergeh(temp2, temp10);
1080 tempF = vec_mergel(temp2, temp10);
1081 tempG = vec_mergeh(temp3, temp11);
1082 tempH = vec_mergel(temp3, temp11);
1083 tempI = vec_mergeh(temp4, temp12);
1084 tempJ = vec_mergel(temp4, temp12);
1085 tempK = vec_mergeh(temp5, temp13);
1086 tempL = vec_mergel(temp5, temp13);
1087 tempM = vec_mergeh(temp6, temp14);
1088 tempN = vec_mergel(temp6, temp14);
1089 tempO = vec_mergeh(temp7, temp15);
1090 tempP = vec_mergel(temp7, temp15);
1091
1092 temp0 = vec_mergeh(tempA, tempI);
1093 temp1 = vec_mergel(tempA, tempI);
1094 temp2 = vec_mergeh(tempB, tempJ);
1095 temp3 = vec_mergel(tempB, tempJ);
1096 temp4 = vec_mergeh(tempC, tempK);
1097 temp5 = vec_mergel(tempC, tempK);
1098 temp6 = vec_mergeh(tempD, tempL);
1099 temp7 = vec_mergel(tempD, tempL);
1100 temp8 = vec_mergeh(tempE, tempM);
1101 temp9 = vec_mergel(tempE, tempM);
1102 temp10 = vec_mergeh(tempF, tempN);
1103 temp11 = vec_mergel(tempF, tempN);
1104 temp12 = vec_mergeh(tempG, tempO);
1105 temp13 = vec_mergel(tempG, tempO);
1106 temp14 = vec_mergeh(tempH, tempP);
1107 temp15 = vec_mergel(tempH, tempP);
1108
1109 vec_st(temp0, 0, dst);
1110 vec_st(temp1, 16, dst);
1111 vec_st(temp2, 32, dst);
1112 vec_st(temp3, 48, dst);
1113 vec_st(temp4, 64, dst);
1114 vec_st(temp5, 80, dst);
1115 vec_st(temp6, 96, dst);
1116 vec_st(temp7, 112, dst);
1117 vec_st(temp8, 128, dst);
1118 vec_st(temp9, 144, dst);
1119 vec_st(temp10, 160, dst);
1120 vec_st(temp11, 176, dst);
1121 vec_st(temp12, 192, dst);
1122 vec_st(temp13, 208, dst);
1123 vec_st(temp14, 224, dst);
1124 vec_st(temp15, 240, dst);
1125 }
1126
1127 static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1128 const vector unsigned char zero = vec_splat_u8(0);
1129
1130 #define LOAD_DOUBLE_LINE(i, j) \
1131 vector unsigned char src##i = vec_ld(i * 16, src); \
1132 vector unsigned char src##j = vec_ld(j * 16, src)
1133
1134 LOAD_DOUBLE_LINE(0, 1);
1135 LOAD_DOUBLE_LINE(2, 3);
1136 LOAD_DOUBLE_LINE(4, 5);
1137 LOAD_DOUBLE_LINE(6, 7);
1138 LOAD_DOUBLE_LINE(8, 9);
1139 LOAD_DOUBLE_LINE(10, 11);
1140 LOAD_DOUBLE_LINE(12, 13);
1141 LOAD_DOUBLE_LINE(14, 15);
1142 #undef LOAD_DOUBLE_LINE
1143
1144 vector unsigned char tempA = vec_mergeh(src0, src8);
1145 vector unsigned char tempB;
1146 vector unsigned char tempC = vec_mergeh(src1, src9);
1147 vector unsigned char tempD;
1148 vector unsigned char tempE = vec_mergeh(src2, src10);
1149 vector unsigned char tempG = vec_mergeh(src3, src11);
1150 vector unsigned char tempI = vec_mergeh(src4, src12);
1151 vector unsigned char tempJ;
1152 vector unsigned char tempK = vec_mergeh(src5, src13);
1153 vector unsigned char tempL;
1154 vector unsigned char tempM = vec_mergeh(src6, src14);
1155 vector unsigned char tempO = vec_mergeh(src7, src15);
1156
1157 vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1158 vector unsigned char temp1 = vec_mergel(tempA, tempI);
1159 vector unsigned char temp2;
1160 vector unsigned char temp3;
1161 vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1162 vector unsigned char temp5 = vec_mergel(tempC, tempK);
1163 vector unsigned char temp6;
1164 vector unsigned char temp7;
1165 vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1166 vector unsigned char temp9 = vec_mergel(tempE, tempM);
1167 vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1168 vector unsigned char temp13 = vec_mergel(tempG, tempO);
1169
1170 tempA = vec_mergeh(temp0, temp8);
1171 tempB = vec_mergel(temp0, temp8);
1172 tempC = vec_mergeh(temp1, temp9);
1173 tempD = vec_mergel(temp1, temp9);
1174 tempI = vec_mergeh(temp4, temp12);
1175 tempJ = vec_mergel(temp4, temp12);
1176 tempK = vec_mergeh(temp5, temp13);
1177 tempL = vec_mergel(temp5, temp13);
1178
1179 temp0 = vec_mergeh(tempA, tempI);
1180 temp1 = vec_mergel(tempA, tempI);
1181 temp2 = vec_mergeh(tempB, tempJ);
1182 temp3 = vec_mergel(tempB, tempJ);
1183 temp4 = vec_mergeh(tempC, tempK);
1184 temp5 = vec_mergel(tempC, tempK);
1185 temp6 = vec_mergeh(tempD, tempL);
1186 temp7 = vec_mergel(tempD, tempL);
1187
1188
1189 const vector signed char neg1 = vec_splat_s8(-1);
1190 #define STORE_DOUBLE_LINE(i, j) \
1191 vector unsigned char dstA##i = vec_ld(i * stride, dst); \
1192 vector unsigned char dstB##i = vec_ld(i * stride + 16, dst); \
1193 vector unsigned char dstA##j = vec_ld(j * stride, dst); \
1194 vector unsigned char dstB##j = vec_ld(j * stride+ 16, dst); \
1195 vector unsigned char align##i = vec_lvsr(i * stride, dst); \
1196 vector unsigned char align##j = vec_lvsr(j * stride, dst); \
1197 vector unsigned char mask##i = vec_perm(zero, (vector unsigned char)neg1, align##i); \
1198 vector unsigned char mask##j = vec_perm(zero, (vector unsigned char)neg1, align##j); \
1199 vector unsigned char dstR##i = vec_perm(temp##i, temp##i, align##i);\
1200 vector unsigned char dstR##j = vec_perm(temp##j, temp##j, align##j);\
1201 vector unsigned char dstAF##i = vec_sel(dstA##i, dstR##i, mask##i); \
1202 vector unsigned char dstBF##i = vec_sel(dstR##i, dstB##i, mask##i); \
1203 vector unsigned char dstAF##j = vec_sel(dstA##j, dstR##j, mask##j); \
1204 vector unsigned char dstBF##j = vec_sel(dstR##j, dstB##j, mask##j); \
1205 vec_st(dstAF##i, i * stride, dst); \
1206 vec_st(dstBF##i, i * stride + 16, dst); \
1207 vec_st(dstAF##j, j * stride, dst); \
1208 vec_st(dstBF##j, j * stride + 16, dst)
1209
1210 STORE_DOUBLE_LINE(0,1);
1211 STORE_DOUBLE_LINE(2,3);
1212 STORE_DOUBLE_LINE(4,5);
1213 STORE_DOUBLE_LINE(6,7);
1214 }