1 /*
2 * Copyright (c) 2018, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include <tmmintrin.h>
13 #include <assert.h>
14
15 #include "config/aom_dsp_rtcd.h"
16
17 #include "aom_dsp/x86/convolve_sse2.h"
18 #include "aom_dsp/x86/convolve_common_intrin.h"
19
av1_highbd_convolve_y_sr_ssse3(const uint16_t * src,int src_stride,uint16_t * dst,int dst_stride,int w,int h,const InterpFilterParams * filter_params_y,const int subpel_y_qn,int bd)20 void av1_highbd_convolve_y_sr_ssse3(const uint16_t *src, int src_stride,
21 uint16_t *dst, int dst_stride, int w, int h,
22 const InterpFilterParams *filter_params_y,
23 const int subpel_y_qn, int bd) {
24 int i, j;
25 const int fo_vert = filter_params_y->taps / 2 - 1;
26 const uint16_t *const src_ptr = src - fo_vert * src_stride;
27 const int bits = FILTER_BITS;
28
29 const __m128i round_shift_bits = _mm_cvtsi32_si128(bits);
30 const __m128i round_const_bits = _mm_set1_epi32((1 << bits) >> 1);
31 const __m128i clip_pixel =
32 _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255));
33 const __m128i zero = _mm_setzero_si128();
34 if (filter_params_y->taps == 12) {
35 __m128i s[24], coeffs_y[6];
36
37 prepare_coeffs_12tap(filter_params_y, subpel_y_qn, coeffs_y);
38
39 for (j = 0; j < w; j += 8) {
40 const uint16_t *data = &src_ptr[j];
41 /* Vertical filter */
42 __m128i s0 = _mm_loadu_si128((__m128i *)(data + 0 * src_stride));
43 __m128i s1 = _mm_loadu_si128((__m128i *)(data + 1 * src_stride));
44 __m128i s2 = _mm_loadu_si128((__m128i *)(data + 2 * src_stride));
45 __m128i s3 = _mm_loadu_si128((__m128i *)(data + 3 * src_stride));
46 __m128i s4 = _mm_loadu_si128((__m128i *)(data + 4 * src_stride));
47 __m128i s5 = _mm_loadu_si128((__m128i *)(data + 5 * src_stride));
48 __m128i s6 = _mm_loadu_si128((__m128i *)(data + 6 * src_stride));
49 __m128i s7 = _mm_loadu_si128((__m128i *)(data + 7 * src_stride));
50 __m128i s8 = _mm_loadu_si128((__m128i *)(data + 8 * src_stride));
51 __m128i s9 = _mm_loadu_si128((__m128i *)(data + 9 * src_stride));
52 __m128i s10 = _mm_loadu_si128((__m128i *)(data + 10 * src_stride));
53
54 s[0] = _mm_unpacklo_epi16(s0, s1);
55 s[1] = _mm_unpacklo_epi16(s2, s3);
56 s[2] = _mm_unpacklo_epi16(s4, s5);
57 s[3] = _mm_unpacklo_epi16(s6, s7);
58 s[4] = _mm_unpacklo_epi16(s8, s9);
59
60 s[6] = _mm_unpackhi_epi16(s0, s1);
61 s[7] = _mm_unpackhi_epi16(s2, s3);
62 s[8] = _mm_unpackhi_epi16(s4, s5);
63 s[9] = _mm_unpackhi_epi16(s6, s7);
64 s[10] = _mm_unpackhi_epi16(s8, s9);
65
66 s[12] = _mm_unpacklo_epi16(s1, s2);
67 s[13] = _mm_unpacklo_epi16(s3, s4);
68 s[14] = _mm_unpacklo_epi16(s5, s6);
69 s[15] = _mm_unpacklo_epi16(s7, s8);
70 s[16] = _mm_unpacklo_epi16(s9, s10);
71
72 s[18] = _mm_unpackhi_epi16(s1, s2);
73 s[19] = _mm_unpackhi_epi16(s3, s4);
74 s[20] = _mm_unpackhi_epi16(s5, s6);
75 s[21] = _mm_unpackhi_epi16(s7, s8);
76 s[22] = _mm_unpackhi_epi16(s9, s10);
77
78 for (i = 0; i < h; i += 2) {
79 data = &src_ptr[i * src_stride + j];
80
81 __m128i s11 = _mm_loadu_si128((__m128i *)(data + 11 * src_stride));
82 __m128i s12 = _mm_loadu_si128((__m128i *)(data + 12 * src_stride));
83
84 s[5] = _mm_unpacklo_epi16(s10, s11);
85 s[11] = _mm_unpackhi_epi16(s10, s11);
86
87 s[17] = _mm_unpacklo_epi16(s11, s12);
88 s[23] = _mm_unpackhi_epi16(s11, s12);
89
90 const __m128i res_a0 = convolve_12tap(s, coeffs_y);
91 __m128i res_a_round0 = _mm_sra_epi32(
92 _mm_add_epi32(res_a0, round_const_bits), round_shift_bits);
93
94 const __m128i res_a1 = convolve_12tap(s + 12, coeffs_y);
95 __m128i res_a_round1 = _mm_sra_epi32(
96 _mm_add_epi32(res_a1, round_const_bits), round_shift_bits);
97
98 if (w - j > 4) {
99 const __m128i res_b0 = convolve_12tap(s + 6, coeffs_y);
100 __m128i res_b_round0 = _mm_sra_epi32(
101 _mm_add_epi32(res_b0, round_const_bits), round_shift_bits);
102
103 const __m128i res_b1 = convolve_12tap(s + 18, coeffs_y);
104 __m128i res_b_round1 = _mm_sra_epi32(
105 _mm_add_epi32(res_b1, round_const_bits), round_shift_bits);
106
107 __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0);
108 res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel);
109 res_16bit0 = _mm_max_epi16(res_16bit0, zero);
110
111 __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1);
112 res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel);
113 res_16bit1 = _mm_max_epi16(res_16bit1, zero);
114
115 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0);
116 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
117 res_16bit1);
118 } else if (w == 4) {
119 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
120 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
121 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
122
123 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
124 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
125 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
126
127 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0);
128 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
129 res_a_round1);
130 } else {
131 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
132 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
133 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
134
135 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
136 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
137 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
138
139 *((uint32_t *)(&dst[i * dst_stride + j])) =
140 _mm_cvtsi128_si32(res_a_round0);
141
142 *((uint32_t *)(&dst[i * dst_stride + j + dst_stride])) =
143 _mm_cvtsi128_si32(res_a_round1);
144 }
145
146 s[0] = s[1];
147 s[1] = s[2];
148 s[2] = s[3];
149 s[3] = s[4];
150 s[4] = s[5];
151
152 s[6] = s[7];
153 s[7] = s[8];
154 s[8] = s[9];
155 s[9] = s[10];
156 s[10] = s[11];
157
158 s[12] = s[13];
159 s[13] = s[14];
160 s[14] = s[15];
161 s[15] = s[16];
162 s[16] = s[17];
163
164 s[18] = s[19];
165 s[19] = s[20];
166 s[20] = s[21];
167 s[21] = s[22];
168 s[22] = s[23];
169
170 s10 = s12;
171 }
172 }
173 } else {
174 __m128i s[16], coeffs_y[4];
175
176 prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y);
177
178 for (j = 0; j < w; j += 8) {
179 const uint16_t *data = &src_ptr[j];
180 /* Vertical filter */
181 {
182 __m128i s0 = _mm_loadu_si128((__m128i *)(data + 0 * src_stride));
183 __m128i s1 = _mm_loadu_si128((__m128i *)(data + 1 * src_stride));
184 __m128i s2 = _mm_loadu_si128((__m128i *)(data + 2 * src_stride));
185 __m128i s3 = _mm_loadu_si128((__m128i *)(data + 3 * src_stride));
186 __m128i s4 = _mm_loadu_si128((__m128i *)(data + 4 * src_stride));
187 __m128i s5 = _mm_loadu_si128((__m128i *)(data + 5 * src_stride));
188 __m128i s6 = _mm_loadu_si128((__m128i *)(data + 6 * src_stride));
189
190 s[0] = _mm_unpacklo_epi16(s0, s1);
191 s[1] = _mm_unpacklo_epi16(s2, s3);
192 s[2] = _mm_unpacklo_epi16(s4, s5);
193
194 s[4] = _mm_unpackhi_epi16(s0, s1);
195 s[5] = _mm_unpackhi_epi16(s2, s3);
196 s[6] = _mm_unpackhi_epi16(s4, s5);
197
198 s[0 + 8] = _mm_unpacklo_epi16(s1, s2);
199 s[1 + 8] = _mm_unpacklo_epi16(s3, s4);
200 s[2 + 8] = _mm_unpacklo_epi16(s5, s6);
201
202 s[4 + 8] = _mm_unpackhi_epi16(s1, s2);
203 s[5 + 8] = _mm_unpackhi_epi16(s3, s4);
204 s[6 + 8] = _mm_unpackhi_epi16(s5, s6);
205
206 for (i = 0; i < h; i += 2) {
207 data = &src_ptr[i * src_stride + j];
208
209 __m128i s7 = _mm_loadu_si128((__m128i *)(data + 7 * src_stride));
210 __m128i s8 = _mm_loadu_si128((__m128i *)(data + 8 * src_stride));
211
212 s[3] = _mm_unpacklo_epi16(s6, s7);
213 s[7] = _mm_unpackhi_epi16(s6, s7);
214
215 s[3 + 8] = _mm_unpacklo_epi16(s7, s8);
216 s[7 + 8] = _mm_unpackhi_epi16(s7, s8);
217
218 const __m128i res_a0 = convolve(s, coeffs_y);
219 __m128i res_a_round0 = _mm_sra_epi32(
220 _mm_add_epi32(res_a0, round_const_bits), round_shift_bits);
221
222 const __m128i res_a1 = convolve(s + 8, coeffs_y);
223 __m128i res_a_round1 = _mm_sra_epi32(
224 _mm_add_epi32(res_a1, round_const_bits), round_shift_bits);
225
226 if (w - j > 4) {
227 const __m128i res_b0 = convolve(s + 4, coeffs_y);
228 __m128i res_b_round0 = _mm_sra_epi32(
229 _mm_add_epi32(res_b0, round_const_bits), round_shift_bits);
230
231 const __m128i res_b1 = convolve(s + 4 + 8, coeffs_y);
232 __m128i res_b_round1 = _mm_sra_epi32(
233 _mm_add_epi32(res_b1, round_const_bits), round_shift_bits);
234
235 __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0);
236 res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel);
237 res_16bit0 = _mm_max_epi16(res_16bit0, zero);
238
239 __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1);
240 res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel);
241 res_16bit1 = _mm_max_epi16(res_16bit1, zero);
242
243 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0);
244 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
245 res_16bit1);
246 } else if (w == 4) {
247 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
248 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
249 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
250
251 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
252 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
253 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
254
255 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0);
256 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
257 res_a_round1);
258 } else {
259 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
260 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
261 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
262
263 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
264 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
265 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
266
267 *((uint32_t *)(&dst[i * dst_stride + j])) =
268 _mm_cvtsi128_si32(res_a_round0);
269
270 *((uint32_t *)(&dst[i * dst_stride + j + dst_stride])) =
271 _mm_cvtsi128_si32(res_a_round1);
272 }
273
274 s[0] = s[1];
275 s[1] = s[2];
276 s[2] = s[3];
277
278 s[4] = s[5];
279 s[5] = s[6];
280 s[6] = s[7];
281
282 s[0 + 8] = s[1 + 8];
283 s[1 + 8] = s[2 + 8];
284 s[2 + 8] = s[3 + 8];
285
286 s[4 + 8] = s[5 + 8];
287 s[5 + 8] = s[6 + 8];
288 s[6 + 8] = s[7 + 8];
289
290 s6 = s8;
291 }
292 }
293 }
294 }
295 }
296
av1_highbd_convolve_x_sr_ssse3(const uint16_t * src,int src_stride,uint16_t * dst,int dst_stride,int w,int h,const InterpFilterParams * filter_params_x,const int subpel_x_qn,ConvolveParams * conv_params,int bd)297 void av1_highbd_convolve_x_sr_ssse3(const uint16_t *src, int src_stride,
298 uint16_t *dst, int dst_stride, int w, int h,
299 const InterpFilterParams *filter_params_x,
300 const int subpel_x_qn,
301 ConvolveParams *conv_params, int bd) {
302 int i, j;
303 const int fo_horiz = filter_params_x->taps / 2 - 1;
304 const uint16_t *const src_ptr = src - fo_horiz;
305
306 // Check that, even with 12-bit input, the intermediate values will fit
307 // into an unsigned 16-bit intermediate array.
308 assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16);
309
310 const __m128i round_const_x =
311 _mm_set1_epi32(((1 << conv_params->round_0) >> 1));
312 const __m128i round_shift_x = _mm_cvtsi32_si128(conv_params->round_0);
313
314 const int bits = FILTER_BITS - conv_params->round_0;
315
316 const __m128i round_shift_bits = _mm_cvtsi32_si128(bits);
317 const __m128i round_const_bits = _mm_set1_epi32((1 << bits) >> 1);
318 const __m128i clip_pixel =
319 _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255));
320 const __m128i zero = _mm_setzero_si128();
321
322 if (filter_params_x->taps == 12) {
323 __m128i s[6], coeffs_x[6];
324
325 prepare_coeffs_12tap(filter_params_x, subpel_x_qn, coeffs_x);
326
327 for (j = 0; j < w; j += 8) {
328 /* Horizontal filter */
329 {
330 for (i = 0; i < h; i += 1) {
331 const __m128i row00 =
332 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
333 const __m128i row01 =
334 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]);
335 const __m128i row02 =
336 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 16)]);
337
338 // even pixels
339 s[0] = _mm_alignr_epi8(row01, row00, 0);
340 s[1] = _mm_alignr_epi8(row01, row00, 4);
341 s[2] = _mm_alignr_epi8(row01, row00, 8);
342 s[3] = _mm_alignr_epi8(row01, row00, 12);
343 s[4] = _mm_alignr_epi8(row02, row01, 0);
344 s[5] = _mm_alignr_epi8(row02, row01, 4);
345
346 __m128i res_even = convolve_12tap(s, coeffs_x);
347 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x),
348 round_shift_x);
349 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_bits),
350 round_shift_bits);
351
352 // odd pixels
353 s[0] = _mm_alignr_epi8(row01, row00, 2);
354 s[1] = _mm_alignr_epi8(row01, row00, 6);
355 s[2] = _mm_alignr_epi8(row01, row00, 10);
356 s[3] = _mm_alignr_epi8(row01, row00, 14);
357 s[4] = _mm_alignr_epi8(row02, row01, 2);
358 s[5] = _mm_alignr_epi8(row02, row01, 6);
359
360 __m128i res_odd = convolve_12tap(s, coeffs_x);
361 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x),
362 round_shift_x);
363 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_bits),
364 round_shift_bits);
365
366 __m128i res_even1 = _mm_packs_epi32(res_even, res_even);
367 __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd);
368 __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1);
369
370 res = _mm_min_epi16(res, clip_pixel);
371 res = _mm_max_epi16(res, zero);
372
373 if (w - j > 4) {
374 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res);
375 } else if (w == 4) {
376 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res);
377 } else {
378 *((uint32_t *)(&dst[i * dst_stride + j])) = _mm_cvtsi128_si32(res);
379 }
380 }
381 }
382 }
383 } else {
384 __m128i s[4], coeffs_x[4];
385 prepare_coeffs(filter_params_x, subpel_x_qn, coeffs_x);
386
387 for (j = 0; j < w; j += 8) {
388 /* Horizontal filter */
389 {
390 for (i = 0; i < h; i += 1) {
391 const __m128i row00 =
392 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
393 const __m128i row01 =
394 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]);
395
396 // even pixels
397 s[0] = _mm_alignr_epi8(row01, row00, 0);
398 s[1] = _mm_alignr_epi8(row01, row00, 4);
399 s[2] = _mm_alignr_epi8(row01, row00, 8);
400 s[3] = _mm_alignr_epi8(row01, row00, 12);
401
402 __m128i res_even = convolve(s, coeffs_x);
403 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x),
404 round_shift_x);
405
406 // odd pixels
407 s[0] = _mm_alignr_epi8(row01, row00, 2);
408 s[1] = _mm_alignr_epi8(row01, row00, 6);
409 s[2] = _mm_alignr_epi8(row01, row00, 10);
410 s[3] = _mm_alignr_epi8(row01, row00, 14);
411
412 __m128i res_odd = convolve(s, coeffs_x);
413 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x),
414 round_shift_x);
415
416 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_bits),
417 round_shift_bits);
418 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_bits),
419 round_shift_bits);
420
421 __m128i res_even1 = _mm_packs_epi32(res_even, res_even);
422 __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd);
423 __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1);
424
425 res = _mm_min_epi16(res, clip_pixel);
426 res = _mm_max_epi16(res, zero);
427
428 if (w - j > 4) {
429 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res);
430 } else if (w == 4) {
431 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res);
432 } else {
433 *((uint32_t *)(&dst[i * dst_stride + j])) = _mm_cvtsi128_si32(res);
434 }
435 }
436 }
437 }
438 }
439 }
440