blob: fa6ebe279d37c086a0b791197ac5b4c5fbb03bf2
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 | short data_0 = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1; |
66 | DECLARE_ALIGNED(16, short, data)[8] = |
67 | { |
68 | data_0, |
69 | data_0 * 2 + 1, |
70 | c->QP * 2, |
71 | c->QP * 4 |
72 | }; |
73 | int numEq; |
74 | uint8_t *src2 = src; |
75 | vector signed short v_dcOffset; |
76 | vector signed short v2QP; |
77 | vector unsigned short v4QP; |
78 | vector unsigned short v_dcThreshold; |
79 | const int properStride = (stride % 16); |
80 | const int srcAlign = ((unsigned long)src2 % 16); |
81 | const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0; |
82 | const vector signed int zero = vec_splat_s32(0); |
83 | const vector signed short mask = vec_splat_s16(1); |
84 | vector signed int v_numEq = vec_splat_s32(0); |
85 | vector signed short v_data = vec_ld(0, data); |
86 | vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, |
87 | v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7; |
88 | //FIXME avoid this mess if possible |
89 | register int j0 = 0, |
90 | j1 = stride, |
91 | j2 = 2 * stride, |
92 | j3 = 3 * stride, |
93 | j4 = 4 * stride, |
94 | j5 = 5 * stride, |
95 | j6 = 6 * stride, |
96 | j7 = 7 * stride; |
97 | vector unsigned char v_srcA0, v_srcA1, v_srcA2, v_srcA3, |
98 | v_srcA4, v_srcA5, v_srcA6, v_srcA7; |
99 | |
100 | v_dcOffset = vec_splat(v_data, 0); |
101 | v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1); |
102 | v2QP = vec_splat(v_data, 2); |
103 | v4QP = (vector unsigned short)vec_splat(v_data, 3); |
104 | |
105 | src2 += stride * 4; |
106 | |
107 | #define LOAD_LINE(i) \ |
108 | { \ |
109 | vector unsigned char perm##i = vec_lvsl(j##i, src2); \ |
110 | vector unsigned char v_srcA2##i; \ |
111 | vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \ |
112 | if (two_vectors) \ |
113 | v_srcA2##i = vec_ld(j##i + 16, src2); \ |
114 | v_srcA##i = \ |
115 | vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \ |
116 | v_srcAss##i = \ |
117 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
118 | (vector signed char)v_srcA##i); } |
119 | |
120 | #define LOAD_LINE_ALIGNED(i) \ |
121 | v_srcA##i = vec_ld(j##i, src2); \ |
122 | v_srcAss##i = \ |
123 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
124 | (vector signed char)v_srcA##i) |
125 | |
126 | /* Special-casing the aligned case is worthwhile, as all calls from |
127 | * the (transposed) horizontable deblocks will be aligned, in addition |
128 | * to the naturally aligned vertical deblocks. */ |
129 | if (properStride && srcAlign) { |
130 | LOAD_LINE_ALIGNED(0); |
131 | LOAD_LINE_ALIGNED(1); |
132 | LOAD_LINE_ALIGNED(2); |
133 | LOAD_LINE_ALIGNED(3); |
134 | LOAD_LINE_ALIGNED(4); |
135 | LOAD_LINE_ALIGNED(5); |
136 | LOAD_LINE_ALIGNED(6); |
137 | LOAD_LINE_ALIGNED(7); |
138 | } else { |
139 | LOAD_LINE(0); |
140 | LOAD_LINE(1); |
141 | LOAD_LINE(2); |
142 | LOAD_LINE(3); |
143 | LOAD_LINE(4); |
144 | LOAD_LINE(5); |
145 | LOAD_LINE(6); |
146 | LOAD_LINE(7); |
147 | } |
148 | #undef LOAD_LINE |
149 | #undef LOAD_LINE_ALIGNED |
150 | |
151 | #define ITER(i, j) \ |
152 | const vector signed short v_diff##i = \ |
153 | vec_sub(v_srcAss##i, v_srcAss##j); \ |
154 | const vector signed short v_sum##i = \ |
155 | vec_add(v_diff##i, v_dcOffset); \ |
156 | const vector signed short v_comp##i = \ |
157 | (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \ |
158 | v_dcThreshold); \ |
159 | const vector signed short v_part##i = vec_and(mask, v_comp##i); |
160 | |
161 | { |
162 | ITER(0, 1) |
163 | ITER(1, 2) |
164 | ITER(2, 3) |
165 | ITER(3, 4) |
166 | ITER(4, 5) |
167 | ITER(5, 6) |
168 | ITER(6, 7) |
169 | |
170 | v_numEq = vec_sum4s(v_part0, v_numEq); |
171 | v_numEq = vec_sum4s(v_part1, v_numEq); |
172 | v_numEq = vec_sum4s(v_part2, v_numEq); |
173 | v_numEq = vec_sum4s(v_part3, v_numEq); |
174 | v_numEq = vec_sum4s(v_part4, v_numEq); |
175 | v_numEq = vec_sum4s(v_part5, v_numEq); |
176 | v_numEq = vec_sum4s(v_part6, v_numEq); |
177 | } |
178 | |
179 | #undef ITER |
180 | |
181 | v_numEq = vec_sums(v_numEq, zero); |
182 | |
183 | v_numEq = vec_splat(v_numEq, 3); |
184 | vec_ste(v_numEq, 0, &numEq); |
185 | |
186 | if (numEq > c->ppMode.flatnessThreshold){ |
187 | const vector unsigned char mmoP1 = (const vector unsigned char) |
188 | {0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, |
189 | 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B}; |
190 | const vector unsigned char mmoP2 = (const vector unsigned char) |
191 | {0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F, |
192 | 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f}; |
193 | const vector unsigned char mmoP = (const vector unsigned char) |
194 | vec_lvsl(8, (unsigned char*)0); |
195 | |
196 | vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1); |
197 | vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2); |
198 | vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP); |
199 | vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1); |
200 | vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2); |
201 | vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP); |
202 | vector signed short mmoDiff = vec_sub(mmoL, mmoR); |
203 | vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP); |
204 | |
205 | if (vec_any_gt(mmoSum, v4QP)) |
206 | return 0; |
207 | else |
208 | return 1; |
209 | } |
210 | else return 2; |
211 | } |
212 | |
213 | static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) { |
214 | /* |
215 | this code makes no assumption on src or stride. |
216 | One could remove the recomputation of the perm |
217 | vector by assuming (stride % 16) == 0, unfortunately |
218 | this is not always true. Quite a lot of load/stores |
219 | can be removed by assuming proper alignment of |
220 | src & stride :-( |
221 | */ |
222 | uint8_t *src2 = src; |
223 | const vector signed int zero = vec_splat_s32(0); |
224 | const int properStride = (stride % 16); |
225 | const int srcAlign = ((unsigned long)src2 % 16); |
226 | DECLARE_ALIGNED(16, short, qp)[8] = {c->QP}; |
227 | vector signed short vqp = vec_ld(0, qp); |
228 | vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9; |
229 | vector unsigned char vbA0, av_uninit(vbA1), av_uninit(vbA2), av_uninit(vbA3), av_uninit(vbA4), av_uninit(vbA5), av_uninit(vbA6), av_uninit(vbA7), av_uninit(vbA8), vbA9; |
230 | vector unsigned char vbB0, av_uninit(vbB1), av_uninit(vbB2), av_uninit(vbB3), av_uninit(vbB4), av_uninit(vbB5), av_uninit(vbB6), av_uninit(vbB7), av_uninit(vbB8), vbB9; |
231 | vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9; |
232 | vector unsigned char perml0, perml1, perml2, perml3, perml4, |
233 | perml5, perml6, perml7, perml8, perml9; |
234 | register int j0 = 0, |
235 | j1 = stride, |
236 | j2 = 2 * stride, |
237 | j3 = 3 * stride, |
238 | j4 = 4 * stride, |
239 | j5 = 5 * stride, |
240 | j6 = 6 * stride, |
241 | j7 = 7 * stride, |
242 | j8 = 8 * stride, |
243 | j9 = 9 * stride; |
244 | |
245 | vqp = vec_splat(vqp, 0); |
246 | |
247 | src2 += stride*3; |
248 | |
249 | #define LOAD_LINE(i) \ |
250 | perml##i = vec_lvsl(i * stride, src2); \ |
251 | vbA##i = vec_ld(i * stride, src2); \ |
252 | vbB##i = vec_ld(i * stride + 16, src2); \ |
253 | vbT##i = vec_perm(vbA##i, vbB##i, perml##i); \ |
254 | vb##i = \ |
255 | (vector signed short)vec_mergeh((vector unsigned char)zero, \ |
256 | (vector unsigned char)vbT##i) |
257 | |
258 | #define LOAD_LINE_ALIGNED(i) \ |
259 | vbT##i = vec_ld(j##i, src2); \ |
260 | vb##i = \ |
261 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
262 | (vector signed char)vbT##i) |
263 | |
264 | /* Special-casing the aligned case is worthwhile, as all calls from |
265 | * the (transposed) horizontable deblocks will be aligned, in addition |
266 | * to the naturally aligned vertical deblocks. */ |
267 | if (properStride && srcAlign) { |
268 | LOAD_LINE_ALIGNED(0); |
269 | LOAD_LINE_ALIGNED(1); |
270 | LOAD_LINE_ALIGNED(2); |
271 | LOAD_LINE_ALIGNED(3); |
272 | LOAD_LINE_ALIGNED(4); |
273 | LOAD_LINE_ALIGNED(5); |
274 | LOAD_LINE_ALIGNED(6); |
275 | LOAD_LINE_ALIGNED(7); |
276 | LOAD_LINE_ALIGNED(8); |
277 | LOAD_LINE_ALIGNED(9); |
278 | } else { |
279 | LOAD_LINE(0); |
280 | LOAD_LINE(1); |
281 | LOAD_LINE(2); |
282 | LOAD_LINE(3); |
283 | LOAD_LINE(4); |
284 | LOAD_LINE(5); |
285 | LOAD_LINE(6); |
286 | LOAD_LINE(7); |
287 | LOAD_LINE(8); |
288 | LOAD_LINE(9); |
289 | } |
290 | #undef LOAD_LINE |
291 | #undef LOAD_LINE_ALIGNED |
292 | { |
293 | const vector unsigned short v_2 = vec_splat_u16(2); |
294 | const vector unsigned short v_4 = vec_splat_u16(4); |
295 | |
296 | const vector signed short v_diff01 = vec_sub(vb0, vb1); |
297 | const vector unsigned short v_cmp01 = |
298 | (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp); |
299 | const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01); |
300 | const vector signed short v_diff89 = vec_sub(vb8, vb9); |
301 | const vector unsigned short v_cmp89 = |
302 | (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp); |
303 | const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89); |
304 | |
305 | const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1); |
306 | const vector signed short temp02 = vec_add(vb2, vb3); |
307 | const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4); |
308 | const vector signed short v_sumsB0 = vec_add(temp02, temp03); |
309 | |
310 | const vector signed short temp11 = vec_sub(v_sumsB0, v_first); |
311 | const vector signed short v_sumsB1 = vec_add(temp11, vb4); |
312 | |
313 | const vector signed short temp21 = vec_sub(v_sumsB1, v_first); |
314 | const vector signed short v_sumsB2 = vec_add(temp21, vb5); |
315 | |
316 | const vector signed short temp31 = vec_sub(v_sumsB2, v_first); |
317 | const vector signed short v_sumsB3 = vec_add(temp31, vb6); |
318 | |
319 | const vector signed short temp41 = vec_sub(v_sumsB3, v_first); |
320 | const vector signed short v_sumsB4 = vec_add(temp41, vb7); |
321 | |
322 | const vector signed short temp51 = vec_sub(v_sumsB4, vb1); |
323 | const vector signed short v_sumsB5 = vec_add(temp51, vb8); |
324 | |
325 | const vector signed short temp61 = vec_sub(v_sumsB5, vb2); |
326 | const vector signed short v_sumsB6 = vec_add(temp61, v_last); |
327 | |
328 | const vector signed short temp71 = vec_sub(v_sumsB6, vb3); |
329 | const vector signed short v_sumsB7 = vec_add(temp71, v_last); |
330 | |
331 | const vector signed short temp81 = vec_sub(v_sumsB7, vb4); |
332 | const vector signed short v_sumsB8 = vec_add(temp81, v_last); |
333 | |
334 | const vector signed short temp91 = vec_sub(v_sumsB8, vb5); |
335 | const vector signed short v_sumsB9 = vec_add(temp91, v_last); |
336 | |
337 | #define COMPUTE_VR(i, j, k) \ |
338 | const vector signed short temps1##i = \ |
339 | vec_add(v_sumsB##i, v_sumsB##k); \ |
340 | const vector signed short temps2##i = \ |
341 | vec_mladd(vb##j, (vector signed short)v_2, temps1##i); \ |
342 | const vector signed short vr##j = vec_sra(temps2##i, v_4) |
343 | |
344 | COMPUTE_VR(0, 1, 2); |
345 | COMPUTE_VR(1, 2, 3); |
346 | COMPUTE_VR(2, 3, 4); |
347 | COMPUTE_VR(3, 4, 5); |
348 | COMPUTE_VR(4, 5, 6); |
349 | COMPUTE_VR(5, 6, 7); |
350 | COMPUTE_VR(6, 7, 8); |
351 | COMPUTE_VR(7, 8, 9); |
352 | |
353 | const vector signed char neg1 = vec_splat_s8(-1); |
354 | const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
355 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; |
356 | |
357 | #define PACK_AND_STORE(i) \ |
358 | { const vector unsigned char perms##i = \ |
359 | vec_lvsr(i * stride, src2); \ |
360 | const vector unsigned char vf##i = \ |
361 | vec_packsu(vr##i, (vector signed short)zero); \ |
362 | const vector unsigned char vg##i = \ |
363 | vec_perm(vf##i, vbT##i, permHH); \ |
364 | const vector unsigned char mask##i = \ |
365 | vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \ |
366 | const vector unsigned char vg2##i = \ |
367 | vec_perm(vg##i, vg##i, perms##i); \ |
368 | const vector unsigned char svA##i = \ |
369 | vec_sel(vbA##i, vg2##i, mask##i); \ |
370 | const vector unsigned char svB##i = \ |
371 | vec_sel(vg2##i, vbB##i, mask##i); \ |
372 | vec_st(svA##i, i * stride, src2); \ |
373 | vec_st(svB##i, i * stride + 16, src2);} |
374 | |
375 | #define PACK_AND_STORE_ALIGNED(i) \ |
376 | { const vector unsigned char vf##i = \ |
377 | vec_packsu(vr##i, (vector signed short)zero); \ |
378 | const vector unsigned char vg##i = \ |
379 | vec_perm(vf##i, vbT##i, permHH); \ |
380 | vec_st(vg##i, i * stride, src2);} |
381 | |
382 | /* Special-casing the aligned case is worthwhile, as all calls from |
383 | * the (transposed) horizontable deblocks will be aligned, in addition |
384 | * to the naturally aligned vertical deblocks. */ |
385 | if (properStride && srcAlign) { |
386 | PACK_AND_STORE_ALIGNED(1) |
387 | PACK_AND_STORE_ALIGNED(2) |
388 | PACK_AND_STORE_ALIGNED(3) |
389 | PACK_AND_STORE_ALIGNED(4) |
390 | PACK_AND_STORE_ALIGNED(5) |
391 | PACK_AND_STORE_ALIGNED(6) |
392 | PACK_AND_STORE_ALIGNED(7) |
393 | PACK_AND_STORE_ALIGNED(8) |
394 | } else { |
395 | PACK_AND_STORE(1) |
396 | PACK_AND_STORE(2) |
397 | PACK_AND_STORE(3) |
398 | PACK_AND_STORE(4) |
399 | PACK_AND_STORE(5) |
400 | PACK_AND_STORE(6) |
401 | PACK_AND_STORE(7) |
402 | PACK_AND_STORE(8) |
403 | } |
404 | #undef PACK_AND_STORE |
405 | #undef PACK_AND_STORE_ALIGNED |
406 | } |
407 | } |
408 | |
409 | |
410 | |
411 | static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) { |
412 | /* |
413 | this code makes no assumption on src or stride. |
414 | One could remove the recomputation of the perm |
415 | vector by assuming (stride % 16) == 0, unfortunately |
416 | this is not always true. Quite a lot of load/stores |
417 | can be removed by assuming proper alignment of |
418 | src & stride :-( |
419 | */ |
420 | uint8_t *src2 = src + stride*3; |
421 | const vector signed int zero = vec_splat_s32(0); |
422 | DECLARE_ALIGNED(16, short, qp)[8] = {8*c->QP}; |
423 | vector signed short vqp = vec_splat( |
424 | (vector signed short)vec_ld(0, qp), 0); |
425 | |
426 | #define LOAD_LINE(i) \ |
427 | const vector unsigned char perm##i = \ |
428 | vec_lvsl(i * stride, src2); \ |
429 | const vector unsigned char vbA##i = \ |
430 | vec_ld(i * stride, src2); \ |
431 | const vector unsigned char vbB##i = \ |
432 | vec_ld(i * stride + 16, src2); \ |
433 | const vector unsigned char vbT##i = \ |
434 | vec_perm(vbA##i, vbB##i, perm##i); \ |
435 | const vector signed short vb##i = \ |
436 | (vector signed short)vec_mergeh((vector unsigned char)zero, \ |
437 | (vector unsigned char)vbT##i) |
438 | |
439 | LOAD_LINE(1); |
440 | LOAD_LINE(2); |
441 | LOAD_LINE(3); |
442 | LOAD_LINE(4); |
443 | LOAD_LINE(5); |
444 | LOAD_LINE(6); |
445 | LOAD_LINE(7); |
446 | LOAD_LINE(8); |
447 | #undef LOAD_LINE |
448 | |
449 | const vector signed short v_1 = vec_splat_s16(1); |
450 | const vector signed short v_2 = vec_splat_s16(2); |
451 | const vector signed short v_5 = vec_splat_s16(5); |
452 | const vector signed short v_32 = vec_sl(v_1, |
453 | (vector unsigned short)v_5); |
454 | /* middle energy */ |
455 | const vector signed short l3minusl6 = vec_sub(vb3, vb6); |
456 | const vector signed short l5minusl4 = vec_sub(vb5, vb4); |
457 | const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero); |
458 | const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6); |
459 | const vector signed short absmE = vec_abs(mE); |
460 | /* left & right energy */ |
461 | const vector signed short l1minusl4 = vec_sub(vb1, vb4); |
462 | const vector signed short l3minusl2 = vec_sub(vb3, vb2); |
463 | const vector signed short l5minusl8 = vec_sub(vb5, vb8); |
464 | const vector signed short l7minusl6 = vec_sub(vb7, vb6); |
465 | const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero); |
466 | const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero); |
467 | const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4); |
468 | const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8); |
469 | /* d */ |
470 | const vector signed short ddiff = vec_sub(absmE, |
471 | vec_min(vec_abs(lE), |
472 | vec_abs(rE))); |
473 | const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero); |
474 | const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32); |
475 | const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6)); |
476 | const vector signed short minusd = vec_sub((vector signed short)zero, d); |
477 | const vector signed short finald = vec_sel(minusd, |
478 | d, |
479 | vec_cmpgt(vec_sub((vector signed short)zero, mE), |
480 | (vector signed short)zero)); |
481 | /* q */ |
482 | const vector signed short qtimes2 = vec_sub(vb4, vb5); |
483 | /* for a shift right to behave like /2, we need to add one |
484 | to all negative integer */ |
485 | const vector signed short rounddown = vec_sel((vector signed short)zero, |
486 | v_1, |
487 | vec_cmplt(qtimes2, (vector signed short)zero)); |
488 | const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1)); |
489 | /* clamp */ |
490 | const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald); |
491 | const vector signed short dclamp_P = vec_min(dclamp_P1, q); |
492 | const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald); |
493 | const vector signed short dclamp_N = vec_max(dclamp_N1, q); |
494 | |
495 | const vector signed short dclampedfinal = vec_sel(dclamp_N, |
496 | dclamp_P, |
497 | vec_cmpgt(q, (vector signed short)zero)); |
498 | const vector signed short dornotd = vec_sel((vector signed short)zero, |
499 | dclampedfinal, |
500 | vec_cmplt(absmE, vqp)); |
501 | /* add/subtract to l4 and l5 */ |
502 | const vector signed short vb4minusd = vec_sub(vb4, dornotd); |
503 | const vector signed short vb5plusd = vec_add(vb5, dornotd); |
504 | /* finally, stores */ |
505 | const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero); |
506 | const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero); |
507 | |
508 | const vector signed char neg1 = vec_splat_s8(-1); |
509 | const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
510 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; |
511 | |
512 | #define STORE(i) \ |
513 | { const vector unsigned char perms##i = \ |
514 | vec_lvsr(i * stride, src2); \ |
515 | const vector unsigned char vg##i = \ |
516 | vec_perm(st##i, vbT##i, permHH); \ |
517 | const vector unsigned char mask##i = \ |
518 | vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \ |
519 | const vector unsigned char vg2##i = \ |
520 | vec_perm(vg##i, vg##i, perms##i); \ |
521 | const vector unsigned char svA##i = \ |
522 | vec_sel(vbA##i, vg2##i, mask##i); \ |
523 | const vector unsigned char svB##i = \ |
524 | vec_sel(vg2##i, vbB##i, mask##i); \ |
525 | vec_st(svA##i, i * stride, src2); \ |
526 | vec_st(svB##i, i * stride + 16, src2);} |
527 | |
528 | STORE(4) |
529 | STORE(5) |
530 | } |
531 | |
532 | static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) { |
533 | const vector signed int vsint32_8 = vec_splat_s32(8); |
534 | const vector unsigned int vuint32_4 = vec_splat_u32(4); |
535 | const vector signed char neg1 = vec_splat_s8(-1); |
536 | |
537 | const vector unsigned char permA1 = (vector unsigned char) |
538 | {0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F, |
539 | 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F}; |
540 | const vector unsigned char permA2 = (vector unsigned char) |
541 | {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11, |
542 | 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F}; |
543 | const vector unsigned char permA1inc = (vector unsigned char) |
544 | {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, |
545 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
546 | const vector unsigned char permA2inc = (vector unsigned char) |
547 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, |
548 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
549 | const vector unsigned char magic = (vector unsigned char) |
550 | {0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02, |
551 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
552 | const vector unsigned char extractPerm = (vector unsigned char) |
553 | {0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01, |
554 | 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01}; |
555 | const vector unsigned char extractPermInc = (vector unsigned char) |
556 | {0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, |
557 | 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01}; |
558 | const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0); |
559 | const vector unsigned char tenRight = (vector unsigned char) |
560 | {0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
561 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
562 | const vector unsigned char eightLeft = (vector unsigned char) |
563 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
564 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08}; |
565 | |
566 | /* |
567 | this code makes no assumption on src or stride. |
568 | One could remove the recomputation of the perm |
569 | vector by assuming (stride % 16) == 0, unfortunately |
570 | this is not always true. Quite a lot of load/stores |
571 | can be removed by assuming proper alignment of |
572 | src & stride :-( |
573 | */ |
574 | uint8_t *srcCopy = src; |
575 | DECLARE_ALIGNED(16, uint8_t, dt)[16] = { deringThreshold }; |
576 | const vector signed int zero = vec_splat_s32(0); |
577 | vector unsigned char v_dt = vec_splat(vec_ld(0, dt), 0); |
578 | |
579 | #define LOAD_LINE(i) \ |
580 | const vector unsigned char perm##i = \ |
581 | vec_lvsl(i * stride, srcCopy); \ |
582 | vector unsigned char sA##i = vec_ld(i * stride, srcCopy); \ |
583 | vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy); \ |
584 | vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i) |
585 | |
586 | LOAD_LINE(0); |
587 | LOAD_LINE(1); |
588 | LOAD_LINE(2); |
589 | LOAD_LINE(3); |
590 | LOAD_LINE(4); |
591 | LOAD_LINE(5); |
592 | LOAD_LINE(6); |
593 | LOAD_LINE(7); |
594 | LOAD_LINE(8); |
595 | LOAD_LINE(9); |
596 | #undef LOAD_LINE |
597 | |
598 | vector unsigned char v_avg; |
599 | DECLARE_ALIGNED(16, signed int, S)[8]; |
600 | DECLARE_ALIGNED(16, int, tQP2)[4] = { c->QP/2 + 1 }; |
601 | vector signed int vQP2 = vec_ld(0, tQP2); |
602 | vQP2 = vec_splat(vQP2, 0); |
603 | |
604 | { |
605 | const vector unsigned char trunc_perm = (vector unsigned char) |
606 | {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, |
607 | 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
608 | const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm); |
609 | const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm); |
610 | const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm); |
611 | const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm); |
612 | |
613 | #define EXTRACT(op) do { \ |
614 | const vector unsigned char s_1 = vec_##op(trunc_src12, trunc_src34); \ |
615 | const vector unsigned char s_2 = vec_##op(trunc_src56, trunc_src78); \ |
616 | const vector unsigned char s_6 = vec_##op(s_1, s_2); \ |
617 | const vector unsigned char s_8h = vec_mergeh(s_6, s_6); \ |
618 | const vector unsigned char s_8l = vec_mergel(s_6, s_6); \ |
619 | const vector unsigned char s_9 = vec_##op(s_8h, s_8l); \ |
620 | const vector unsigned char s_9h = vec_mergeh(s_9, s_9); \ |
621 | const vector unsigned char s_9l = vec_mergel(s_9, s_9); \ |
622 | const vector unsigned char s_10 = vec_##op(s_9h, s_9l); \ |
623 | const vector unsigned char s_10h = vec_mergeh(s_10, s_10); \ |
624 | const vector unsigned char s_10l = vec_mergel(s_10, s_10); \ |
625 | const vector unsigned char s_11 = vec_##op(s_10h, s_10l); \ |
626 | const vector unsigned char s_11h = vec_mergeh(s_11, s_11); \ |
627 | const vector unsigned char s_11l = vec_mergel(s_11, s_11); \ |
628 | v_##op = vec_##op(s_11h, s_11l); \ |
629 | } while (0) |
630 | |
631 | vector unsigned char v_min; |
632 | vector unsigned char v_max; |
633 | EXTRACT(min); |
634 | EXTRACT(max); |
635 | #undef EXTRACT |
636 | |
637 | if (vec_all_lt(vec_sub(v_max, v_min), v_dt)) |
638 | return; |
639 | |
640 | v_avg = vec_avg(v_min, v_max); |
641 | } |
642 | |
643 | { |
644 | const vector unsigned short mask1 = (vector unsigned short) |
645 | {0x0001, 0x0002, 0x0004, 0x0008, |
646 | 0x0010, 0x0020, 0x0040, 0x0080}; |
647 | const vector unsigned short mask2 = (vector unsigned short) |
648 | {0x0100, 0x0200, 0x0000, 0x0000, |
649 | 0x0000, 0x0000, 0x0000, 0x0000}; |
650 | |
651 | const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4)); |
652 | const vector unsigned int vuint32_1 = vec_splat_u32(1); |
653 | |
654 | vector signed int sumA2; |
655 | vector signed int sumB2; |
656 | vector signed int sum0, sum1, sum2, sum3, sum4; |
657 | vector signed int sum5, sum6, sum7, sum8, sum9; |
658 | |
659 | #define COMPARE(i) \ |
660 | do { \ |
661 | const vector unsigned char cmp = \ |
662 | (vector unsigned char)vec_cmpgt(src##i, v_avg); \ |
663 | const vector unsigned short cmpHi = \ |
664 | (vector unsigned short)vec_mergeh(cmp, cmp); \ |
665 | const vector unsigned short cmpLi = \ |
666 | (vector unsigned short)vec_mergel(cmp, cmp); \ |
667 | const vector signed short cmpHf = \ |
668 | (vector signed short)vec_and(cmpHi, mask1); \ |
669 | const vector signed short cmpLf = \ |
670 | (vector signed short)vec_and(cmpLi, mask2); \ |
671 | const vector signed int sump = vec_sum4s(cmpHf, zero); \ |
672 | const vector signed int sumq = vec_sum4s(cmpLf, sump); \ |
673 | sum##i = vec_sums(sumq, zero); \ |
674 | } while (0) |
675 | |
676 | COMPARE(0); |
677 | COMPARE(1); |
678 | COMPARE(2); |
679 | COMPARE(3); |
680 | COMPARE(4); |
681 | COMPARE(5); |
682 | COMPARE(6); |
683 | COMPARE(7); |
684 | COMPARE(8); |
685 | COMPARE(9); |
686 | #undef COMPARE |
687 | |
688 | { |
689 | const vector signed int sump02 = vec_mergel(sum0, sum2); |
690 | const vector signed int sump13 = vec_mergel(sum1, sum3); |
691 | const vector signed int sumA = vec_mergel(sump02, sump13); |
692 | |
693 | const vector signed int sump46 = vec_mergel(sum4, sum6); |
694 | const vector signed int sump57 = vec_mergel(sum5, sum7); |
695 | const vector signed int sumB = vec_mergel(sump46, sump57); |
696 | |
697 | const vector signed int sump8A = vec_mergel(sum8, zero); |
698 | const vector signed int sump9B = vec_mergel(sum9, zero); |
699 | const vector signed int sumC = vec_mergel(sump8A, sump9B); |
700 | |
701 | const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16); |
702 | const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16); |
703 | const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16); |
704 | const vector signed int t2A = vec_or(sumA, tA); |
705 | const vector signed int t2B = vec_or(sumB, tB); |
706 | const vector signed int t2C = vec_or(sumC, tC); |
707 | const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1), |
708 | vec_sl(t2A, vuint32_1)); |
709 | const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1), |
710 | vec_sl(t2B, vuint32_1)); |
711 | const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1), |
712 | vec_sl(t2C, vuint32_1)); |
713 | const vector signed int yA = vec_and(t2A, t3A); |
714 | const vector signed int yB = vec_and(t2B, t3B); |
715 | const vector signed int yC = vec_and(t2C, t3C); |
716 | |
717 | const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0); |
718 | const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0); |
719 | const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1); |
720 | const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2); |
721 | const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1); |
722 | const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2); |
723 | const vector signed int sumAp = vec_and(yA, |
724 | vec_and(sumAd4,sumAd8)); |
725 | const vector signed int sumBp = vec_and(yB, |
726 | vec_and(sumBd4,sumBd8)); |
727 | sumA2 = vec_or(sumAp, |
728 | vec_sra(sumAp, |
729 | vuint32_16)); |
730 | sumB2 = vec_or(sumBp, |
731 | vec_sra(sumBp, |
732 | vuint32_16)); |
733 | } |
734 | vec_st(sumA2, 0, S); |
735 | vec_st(sumB2, 16, S); |
736 | } |
737 | |
738 | /* I'm not sure the following is actually faster |
739 | than straight, unvectorized C code :-( */ |
740 | |
741 | #define F_INIT() \ |
742 | vector unsigned char tenRightM = tenRight; \ |
743 | vector unsigned char permA1M = permA1; \ |
744 | vector unsigned char permA2M = permA2; \ |
745 | vector unsigned char extractPermM = extractPerm |
746 | |
747 | #define F2(i, j, k, l) \ |
748 | if (S[i] & (1 << (l+1))) { \ |
749 | const vector unsigned char a_A = vec_perm(src##i, src##j, permA1M); \ |
750 | const vector unsigned char a_B = vec_perm(a_A, src##k, permA2M); \ |
751 | const vector signed int a_sump = \ |
752 | (vector signed int)vec_msum(a_B, magic, (vector unsigned int)zero);\ |
753 | vector signed int F = vec_sr(vec_sums(a_sump, vsint32_8), vuint32_4); \ |
754 | const vector signed int p = \ |
755 | (vector signed int)vec_perm(src##j, (vector unsigned char)zero, \ |
756 | extractPermM); \ |
757 | const vector signed int sum = vec_add(p, vQP2); \ |
758 | const vector signed int diff = vec_sub(p, vQP2); \ |
759 | vector signed int newpm; \ |
760 | vector unsigned char newpm2, mask; \ |
761 | F = vec_splat(F, 3); \ |
762 | if (vec_all_lt(sum, F)) \ |
763 | newpm = sum; \ |
764 | else if (vec_all_gt(diff, F)) \ |
765 | newpm = diff; \ |
766 | else newpm = F; \ |
767 | newpm2 = vec_splat((vector unsigned char)newpm, 15); \ |
768 | mask = vec_add(identity, tenRightM); \ |
769 | src##j = vec_perm(src##j, newpm2, mask); \ |
770 | } \ |
771 | permA1M = vec_add(permA1M, permA1inc); \ |
772 | permA2M = vec_add(permA2M, permA2inc); \ |
773 | tenRightM = vec_sro(tenRightM, eightLeft); \ |
774 | extractPermM = vec_add(extractPermM, extractPermInc) |
775 | |
776 | #define ITER(i, j, k) do { \ |
777 | F_INIT(); \ |
778 | F2(i, j, k, 0); \ |
779 | F2(i, j, k, 1); \ |
780 | F2(i, j, k, 2); \ |
781 | F2(i, j, k, 3); \ |
782 | F2(i, j, k, 4); \ |
783 | F2(i, j, k, 5); \ |
784 | F2(i, j, k, 6); \ |
785 | F2(i, j, k, 7); \ |
786 | } while (0) |
787 | |
788 | ITER(0, 1, 2); |
789 | ITER(1, 2, 3); |
790 | ITER(2, 3, 4); |
791 | ITER(3, 4, 5); |
792 | ITER(4, 5, 6); |
793 | ITER(5, 6, 7); |
794 | ITER(6, 7, 8); |
795 | ITER(7, 8, 9); |
796 | |
797 | #define STORE_LINE(i) do { \ |
798 | const vector unsigned char permST = \ |
799 | vec_lvsr(i * stride, srcCopy); \ |
800 | const vector unsigned char maskST = \ |
801 | vec_perm((vector unsigned char)zero, \ |
802 | (vector unsigned char)neg1, permST); \ |
803 | src##i = vec_perm(src##i ,src##i, permST); \ |
804 | sA##i= vec_sel(sA##i, src##i, maskST); \ |
805 | sB##i= vec_sel(src##i, sB##i, maskST); \ |
806 | vec_st(sA##i, i * stride, srcCopy); \ |
807 | vec_st(sB##i, i * stride + 16, srcCopy); \ |
808 | } while (0) |
809 | |
810 | STORE_LINE(1); |
811 | STORE_LINE(2); |
812 | STORE_LINE(3); |
813 | STORE_LINE(4); |
814 | STORE_LINE(5); |
815 | STORE_LINE(6); |
816 | STORE_LINE(7); |
817 | STORE_LINE(8); |
818 | |
819 | #undef STORE_LINE |
820 | #undef ITER |
821 | #undef F2 |
822 | } |
823 | |
824 | #define doHorizLowPass_altivec(a...) doHorizLowPass_C(a) |
825 | #define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a) |
826 | #define do_a_deblock_altivec(a...) do_a_deblock_C(a) |
827 | |
828 | static inline void tempNoiseReducer_altivec(uint8_t *src, int stride, |
829 | uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise) |
830 | { |
831 | const vector signed char neg1 = vec_splat_s8(-1); |
832 | const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
833 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; |
834 | |
835 | const vector signed int zero = vec_splat_s32(0); |
836 | const vector signed short vsint16_1 = vec_splat_s16(1); |
837 | vector signed int v_dp = zero; |
838 | vector signed int v_sysdp = zero; |
839 | int d, sysd, i; |
840 | |
841 | #define LOAD_LINE(src, i) \ |
842 | register int j##src##i = i * stride; \ |
843 | vector unsigned char perm##src##i = vec_lvsl(j##src##i, src); \ |
844 | const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \ |
845 | const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \ |
846 | const vector unsigned char v_##src##A##i = \ |
847 | vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i); \ |
848 | vector signed short v_##src##Ass##i = \ |
849 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
850 | (vector signed char)v_##src##A##i) |
851 | |
852 | LOAD_LINE(src, 0); |
853 | LOAD_LINE(src, 1); |
854 | LOAD_LINE(src, 2); |
855 | LOAD_LINE(src, 3); |
856 | LOAD_LINE(src, 4); |
857 | LOAD_LINE(src, 5); |
858 | LOAD_LINE(src, 6); |
859 | LOAD_LINE(src, 7); |
860 | |
861 | LOAD_LINE(tempBlurred, 0); |
862 | LOAD_LINE(tempBlurred, 1); |
863 | LOAD_LINE(tempBlurred, 2); |
864 | LOAD_LINE(tempBlurred, 3); |
865 | LOAD_LINE(tempBlurred, 4); |
866 | LOAD_LINE(tempBlurred, 5); |
867 | LOAD_LINE(tempBlurred, 6); |
868 | LOAD_LINE(tempBlurred, 7); |
869 | #undef LOAD_LINE |
870 | |
871 | #define ACCUMULATE_DIFFS(i) do { \ |
872 | vector signed short v_d = vec_sub(v_tempBlurredAss##i, \ |
873 | v_srcAss##i); \ |
874 | v_dp = vec_msums(v_d, v_d, v_dp); \ |
875 | v_sysdp = vec_msums(v_d, vsint16_1, v_sysdp); \ |
876 | } while (0) |
877 | |
878 | ACCUMULATE_DIFFS(0); |
879 | ACCUMULATE_DIFFS(1); |
880 | ACCUMULATE_DIFFS(2); |
881 | ACCUMULATE_DIFFS(3); |
882 | ACCUMULATE_DIFFS(4); |
883 | ACCUMULATE_DIFFS(5); |
884 | ACCUMULATE_DIFFS(6); |
885 | ACCUMULATE_DIFFS(7); |
886 | #undef ACCUMULATE_DIFFS |
887 | |
888 | tempBlurredPast[127]= maxNoise[0]; |
889 | tempBlurredPast[128]= maxNoise[1]; |
890 | tempBlurredPast[129]= maxNoise[2]; |
891 | |
892 | v_dp = vec_sums(v_dp, zero); |
893 | v_sysdp = vec_sums(v_sysdp, zero); |
894 | |
895 | v_dp = vec_splat(v_dp, 3); |
896 | v_sysdp = vec_splat(v_sysdp, 3); |
897 | |
898 | vec_ste(v_dp, 0, &d); |
899 | vec_ste(v_sysdp, 0, &sysd); |
900 | |
901 | i = d; |
902 | d = (4*d |
903 | +(*(tempBlurredPast-256)) |
904 | +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1)) |
905 | +(*(tempBlurredPast+256)) |
906 | +4)>>3; |
907 | |
908 | *tempBlurredPast=i; |
909 | |
910 | if (d > maxNoise[1]) { |
911 | if (d < maxNoise[2]) { |
912 | #define OP(i) v_tempBlurredAss##i = vec_avg(v_tempBlurredAss##i, v_srcAss##i); |
913 | |
914 | OP(0); |
915 | OP(1); |
916 | OP(2); |
917 | OP(3); |
918 | OP(4); |
919 | OP(5); |
920 | OP(6); |
921 | OP(7); |
922 | #undef OP |
923 | } else { |
924 | #define OP(i) v_tempBlurredAss##i = v_srcAss##i; |
925 | |
926 | OP(0); |
927 | OP(1); |
928 | OP(2); |
929 | OP(3); |
930 | OP(4); |
931 | OP(5); |
932 | OP(6); |
933 | OP(7); |
934 | #undef OP |
935 | } |
936 | } else { |
937 | if (d < maxNoise[0]) { |
938 | const vector signed short vsint16_7 = vec_splat_s16(7); |
939 | const vector signed short vsint16_4 = vec_splat_s16(4); |
940 | const vector unsigned short vuint16_3 = vec_splat_u16(3); |
941 | |
942 | #define OP(i) do { \ |
943 | const vector signed short v_temp = \ |
944 | vec_mladd(v_tempBlurredAss##i, vsint16_7, v_srcAss##i); \ |
945 | const vector signed short v_temp2 = vec_add(v_temp, vsint16_4); \ |
946 | v_tempBlurredAss##i = vec_sr(v_temp2, vuint16_3); \ |
947 | } while (0) |
948 | |
949 | OP(0); |
950 | OP(1); |
951 | OP(2); |
952 | OP(3); |
953 | OP(4); |
954 | OP(5); |
955 | OP(6); |
956 | OP(7); |
957 | #undef OP |
958 | } else { |
959 | const vector signed short vsint16_3 = vec_splat_s16(3); |
960 | const vector signed short vsint16_2 = vec_splat_s16(2); |
961 | |
962 | #define OP(i) do { \ |
963 | const vector signed short v_temp = \ |
964 | vec_mladd(v_tempBlurredAss##i, vsint16_3, v_srcAss##i); \ |
965 | const vector signed short v_temp2 = vec_add(v_temp, vsint16_2); \ |
966 | v_tempBlurredAss##i = \ |
967 | vec_sr(v_temp2, (vector unsigned short)vsint16_2); \ |
968 | } while (0) |
969 | |
970 | OP(0); |
971 | OP(1); |
972 | OP(2); |
973 | OP(3); |
974 | OP(4); |
975 | OP(5); |
976 | OP(6); |
977 | OP(7); |
978 | #undef OP |
979 | } |
980 | } |
981 | |
982 | #define PACK_AND_STORE(src, i) do { \ |
983 | const vector unsigned char perms = vec_lvsr(i * stride, src); \ |
984 | const vector unsigned char vf = \ |
985 | vec_packsu(v_tempBlurredAss##1, (vector signed short)zero); \ |
986 | const vector unsigned char vg = vec_perm(vf, v_##src##A##i, permHH); \ |
987 | const vector unsigned char mask = \ |
988 | vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms); \ |
989 | const vector unsigned char vg2 = vec_perm(vg, vg, perms); \ |
990 | const vector unsigned char svA = vec_sel(v_##src##A1##i, vg2, mask); \ |
991 | const vector unsigned char svB = vec_sel(vg2, v_##src##A2##i, mask); \ |
992 | vec_st(svA, i * stride, src); \ |
993 | vec_st(svB, i * stride + 16, src); \ |
994 | } while (0) |
995 | |
996 | PACK_AND_STORE(src, 0); |
997 | PACK_AND_STORE(src, 1); |
998 | PACK_AND_STORE(src, 2); |
999 | PACK_AND_STORE(src, 3); |
1000 | PACK_AND_STORE(src, 4); |
1001 | PACK_AND_STORE(src, 5); |
1002 | PACK_AND_STORE(src, 6); |
1003 | PACK_AND_STORE(src, 7); |
1004 | PACK_AND_STORE(tempBlurred, 0); |
1005 | PACK_AND_STORE(tempBlurred, 1); |
1006 | PACK_AND_STORE(tempBlurred, 2); |
1007 | PACK_AND_STORE(tempBlurred, 3); |
1008 | PACK_AND_STORE(tempBlurred, 4); |
1009 | PACK_AND_STORE(tempBlurred, 5); |
1010 | PACK_AND_STORE(tempBlurred, 6); |
1011 | PACK_AND_STORE(tempBlurred, 7); |
1012 | #undef PACK_AND_STORE |
1013 | } |
1014 | |
1015 | static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) { |
1016 | const vector unsigned char zero = vec_splat_u8(0); |
1017 | |
1018 | #define LOAD_DOUBLE_LINE(i, j) \ |
1019 | vector unsigned char perm1##i = vec_lvsl(i * stride, src); \ |
1020 | vector unsigned char perm2##i = vec_lvsl(j * stride, src); \ |
1021 | vector unsigned char srcA##i = vec_ld(i * stride, src); \ |
1022 | vector unsigned char srcB##i = vec_ld(i * stride + 16, src); \ |
1023 | vector unsigned char srcC##i = vec_ld(j * stride, src); \ |
1024 | vector unsigned char srcD##i = vec_ld(j * stride+ 16, src); \ |
1025 | vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \ |
1026 | vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i) |
1027 | |
1028 | LOAD_DOUBLE_LINE(0, 1); |
1029 | LOAD_DOUBLE_LINE(2, 3); |
1030 | LOAD_DOUBLE_LINE(4, 5); |
1031 | LOAD_DOUBLE_LINE(6, 7); |
1032 | #undef LOAD_DOUBLE_LINE |
1033 | |
1034 | vector unsigned char tempA = vec_mergeh(src0, zero); |
1035 | vector unsigned char tempB = vec_mergel(src0, zero); |
1036 | vector unsigned char tempC = vec_mergeh(src1, zero); |
1037 | vector unsigned char tempD = vec_mergel(src1, zero); |
1038 | vector unsigned char tempE = vec_mergeh(src2, zero); |
1039 | vector unsigned char tempF = vec_mergel(src2, zero); |
1040 | vector unsigned char tempG = vec_mergeh(src3, zero); |
1041 | vector unsigned char tempH = vec_mergel(src3, zero); |
1042 | vector unsigned char tempI = vec_mergeh(src4, zero); |
1043 | vector unsigned char tempJ = vec_mergel(src4, zero); |
1044 | vector unsigned char tempK = vec_mergeh(src5, zero); |
1045 | vector unsigned char tempL = vec_mergel(src5, zero); |
1046 | vector unsigned char tempM = vec_mergeh(src6, zero); |
1047 | vector unsigned char tempN = vec_mergel(src6, zero); |
1048 | vector unsigned char tempO = vec_mergeh(src7, zero); |
1049 | vector unsigned char tempP = vec_mergel(src7, zero); |
1050 | |
1051 | vector unsigned char temp0 = vec_mergeh(tempA, tempI); |
1052 | vector unsigned char temp1 = vec_mergel(tempA, tempI); |
1053 | vector unsigned char temp2 = vec_mergeh(tempB, tempJ); |
1054 | vector unsigned char temp3 = vec_mergel(tempB, tempJ); |
1055 | vector unsigned char temp4 = vec_mergeh(tempC, tempK); |
1056 | vector unsigned char temp5 = vec_mergel(tempC, tempK); |
1057 | vector unsigned char temp6 = vec_mergeh(tempD, tempL); |
1058 | vector unsigned char temp7 = vec_mergel(tempD, tempL); |
1059 | vector unsigned char temp8 = vec_mergeh(tempE, tempM); |
1060 | vector unsigned char temp9 = vec_mergel(tempE, tempM); |
1061 | vector unsigned char temp10 = vec_mergeh(tempF, tempN); |
1062 | vector unsigned char temp11 = vec_mergel(tempF, tempN); |
1063 | vector unsigned char temp12 = vec_mergeh(tempG, tempO); |
1064 | vector unsigned char temp13 = vec_mergel(tempG, tempO); |
1065 | vector unsigned char temp14 = vec_mergeh(tempH, tempP); |
1066 | vector unsigned char temp15 = vec_mergel(tempH, tempP); |
1067 | |
1068 | tempA = vec_mergeh(temp0, temp8); |
1069 | tempB = vec_mergel(temp0, temp8); |
1070 | tempC = vec_mergeh(temp1, temp9); |
1071 | tempD = vec_mergel(temp1, temp9); |
1072 | tempE = vec_mergeh(temp2, temp10); |
1073 | tempF = vec_mergel(temp2, temp10); |
1074 | tempG = vec_mergeh(temp3, temp11); |
1075 | tempH = vec_mergel(temp3, temp11); |
1076 | tempI = vec_mergeh(temp4, temp12); |
1077 | tempJ = vec_mergel(temp4, temp12); |
1078 | tempK = vec_mergeh(temp5, temp13); |
1079 | tempL = vec_mergel(temp5, temp13); |
1080 | tempM = vec_mergeh(temp6, temp14); |
1081 | tempN = vec_mergel(temp6, temp14); |
1082 | tempO = vec_mergeh(temp7, temp15); |
1083 | tempP = vec_mergel(temp7, temp15); |
1084 | |
1085 | temp0 = vec_mergeh(tempA, tempI); |
1086 | temp1 = vec_mergel(tempA, tempI); |
1087 | temp2 = vec_mergeh(tempB, tempJ); |
1088 | temp3 = vec_mergel(tempB, tempJ); |
1089 | temp4 = vec_mergeh(tempC, tempK); |
1090 | temp5 = vec_mergel(tempC, tempK); |
1091 | temp6 = vec_mergeh(tempD, tempL); |
1092 | temp7 = vec_mergel(tempD, tempL); |
1093 | temp8 = vec_mergeh(tempE, tempM); |
1094 | temp9 = vec_mergel(tempE, tempM); |
1095 | temp10 = vec_mergeh(tempF, tempN); |
1096 | temp11 = vec_mergel(tempF, tempN); |
1097 | temp12 = vec_mergeh(tempG, tempO); |
1098 | temp13 = vec_mergel(tempG, tempO); |
1099 | temp14 = vec_mergeh(tempH, tempP); |
1100 | temp15 = vec_mergel(tempH, tempP); |
1101 | |
1102 | vec_st(temp0, 0, dst); |
1103 | vec_st(temp1, 16, dst); |
1104 | vec_st(temp2, 32, dst); |
1105 | vec_st(temp3, 48, dst); |
1106 | vec_st(temp4, 64, dst); |
1107 | vec_st(temp5, 80, dst); |
1108 | vec_st(temp6, 96, dst); |
1109 | vec_st(temp7, 112, dst); |
1110 | vec_st(temp8, 128, dst); |
1111 | vec_st(temp9, 144, dst); |
1112 | vec_st(temp10, 160, dst); |
1113 | vec_st(temp11, 176, dst); |
1114 | vec_st(temp12, 192, dst); |
1115 | vec_st(temp13, 208, dst); |
1116 | vec_st(temp14, 224, dst); |
1117 | vec_st(temp15, 240, dst); |
1118 | } |
1119 | |
1120 | static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) { |
1121 | const vector unsigned char zero = vec_splat_u8(0); |
1122 | const vector signed char neg1 = vec_splat_s8(-1); |
1123 | |
1124 | #define LOAD_DOUBLE_LINE(i, j) \ |
1125 | vector unsigned char src##i = vec_ld(i * 16, src); \ |
1126 | vector unsigned char src##j = vec_ld(j * 16, src) |
1127 | |
1128 | LOAD_DOUBLE_LINE(0, 1); |
1129 | LOAD_DOUBLE_LINE(2, 3); |
1130 | LOAD_DOUBLE_LINE(4, 5); |
1131 | LOAD_DOUBLE_LINE(6, 7); |
1132 | LOAD_DOUBLE_LINE(8, 9); |
1133 | LOAD_DOUBLE_LINE(10, 11); |
1134 | LOAD_DOUBLE_LINE(12, 13); |
1135 | LOAD_DOUBLE_LINE(14, 15); |
1136 | #undef LOAD_DOUBLE_LINE |
1137 | |
1138 | vector unsigned char tempA = vec_mergeh(src0, src8); |
1139 | vector unsigned char tempB; |
1140 | vector unsigned char tempC = vec_mergeh(src1, src9); |
1141 | vector unsigned char tempD; |
1142 | vector unsigned char tempE = vec_mergeh(src2, src10); |
1143 | vector unsigned char tempG = vec_mergeh(src3, src11); |
1144 | vector unsigned char tempI = vec_mergeh(src4, src12); |
1145 | vector unsigned char tempJ; |
1146 | vector unsigned char tempK = vec_mergeh(src5, src13); |
1147 | vector unsigned char tempL; |
1148 | vector unsigned char tempM = vec_mergeh(src6, src14); |
1149 | vector unsigned char tempO = vec_mergeh(src7, src15); |
1150 | |
1151 | vector unsigned char temp0 = vec_mergeh(tempA, tempI); |
1152 | vector unsigned char temp1 = vec_mergel(tempA, tempI); |
1153 | vector unsigned char temp2; |
1154 | vector unsigned char temp3; |
1155 | vector unsigned char temp4 = vec_mergeh(tempC, tempK); |
1156 | vector unsigned char temp5 = vec_mergel(tempC, tempK); |
1157 | vector unsigned char temp6; |
1158 | vector unsigned char temp7; |
1159 | vector unsigned char temp8 = vec_mergeh(tempE, tempM); |
1160 | vector unsigned char temp9 = vec_mergel(tempE, tempM); |
1161 | vector unsigned char temp12 = vec_mergeh(tempG, tempO); |
1162 | vector unsigned char temp13 = vec_mergel(tempG, tempO); |
1163 | |
1164 | tempA = vec_mergeh(temp0, temp8); |
1165 | tempB = vec_mergel(temp0, temp8); |
1166 | tempC = vec_mergeh(temp1, temp9); |
1167 | tempD = vec_mergel(temp1, temp9); |
1168 | tempI = vec_mergeh(temp4, temp12); |
1169 | tempJ = vec_mergel(temp4, temp12); |
1170 | tempK = vec_mergeh(temp5, temp13); |
1171 | tempL = vec_mergel(temp5, temp13); |
1172 | |
1173 | temp0 = vec_mergeh(tempA, tempI); |
1174 | temp1 = vec_mergel(tempA, tempI); |
1175 | temp2 = vec_mergeh(tempB, tempJ); |
1176 | temp3 = vec_mergel(tempB, tempJ); |
1177 | temp4 = vec_mergeh(tempC, tempK); |
1178 | temp5 = vec_mergel(tempC, tempK); |
1179 | temp6 = vec_mergeh(tempD, tempL); |
1180 | temp7 = vec_mergel(tempD, tempL); |
1181 | |
1182 | |
1183 | #define STORE_DOUBLE_LINE(i, j) do { \ |
1184 | vector unsigned char dstAi = vec_ld(i * stride, dst); \ |
1185 | vector unsigned char dstBi = vec_ld(i * stride + 16, dst); \ |
1186 | vector unsigned char dstAj = vec_ld(j * stride, dst); \ |
1187 | vector unsigned char dstBj = vec_ld(j * stride+ 16, dst); \ |
1188 | vector unsigned char aligni = vec_lvsr(i * stride, dst); \ |
1189 | vector unsigned char alignj = vec_lvsr(j * stride, dst); \ |
1190 | vector unsigned char maski = \ |
1191 | vec_perm(zero, (vector unsigned char)neg1, aligni); \ |
1192 | vector unsigned char maskj = \ |
1193 | vec_perm(zero, (vector unsigned char)neg1, alignj); \ |
1194 | vector unsigned char dstRi = vec_perm(temp##i, temp##i, aligni); \ |
1195 | vector unsigned char dstRj = vec_perm(temp##j, temp##j, alignj); \ |
1196 | vector unsigned char dstAFi = vec_sel(dstAi, dstRi, maski); \ |
1197 | vector unsigned char dstBFi = vec_sel(dstRi, dstBi, maski); \ |
1198 | vector unsigned char dstAFj = vec_sel(dstAj, dstRj, maskj); \ |
1199 | vector unsigned char dstBFj = vec_sel(dstRj, dstBj, maskj); \ |
1200 | vec_st(dstAFi, i * stride, dst); \ |
1201 | vec_st(dstBFi, i * stride + 16, dst); \ |
1202 | vec_st(dstAFj, j * stride, dst); \ |
1203 | vec_st(dstBFj, j * stride + 16, dst); \ |
1204 | } while (0) |
1205 | |
1206 | STORE_DOUBLE_LINE(0,1); |
1207 | STORE_DOUBLE_LINE(2,3); |
1208 | STORE_DOUBLE_LINE(4,5); |
1209 | STORE_DOUBLE_LINE(6,7); |
1210 | } |
1211 |