1 /*
2 * Copyright (c) 2016, 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/av1_rtcd.h"
16
17 #include "aom_dsp/aom_dsp_common.h"
18 #include "aom_dsp/aom_filter.h"
19 #include "aom_dsp/x86/convolve_sse2.h"
20 #include "av1/common/convolve.h"
21 #include "aom_dsp/x86/convolve_common_intrin.h"
22
av1_highbd_convolve_2d_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 InterpFilterParams * filter_params_y,const int subpel_x_qn,const int subpel_y_qn,ConvolveParams * conv_params,int bd)23 void av1_highbd_convolve_2d_sr_ssse3(
24 const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w,
25 int h, const InterpFilterParams *filter_params_x,
26 const InterpFilterParams *filter_params_y, const int subpel_x_qn,
27 const int subpel_y_qn, ConvolveParams *conv_params, int bd) {
28 DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]);
29 int im_h = h + filter_params_y->taps - 1;
30 int im_stride = 8;
31 int i, j;
32 const int fo_vert = filter_params_y->taps / 2 - 1;
33 const int fo_horiz = filter_params_x->taps / 2 - 1;
34 const uint16_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
35
36 // Check that, even with 12-bit input, the intermediate values will fit
37 // into an unsigned 16-bit intermediate array.
38 assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16);
39
40 const __m128i round_const_x = _mm_set1_epi32(
41 ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1)));
42 const __m128i round_shift_x = _mm_cvtsi32_si128(conv_params->round_0);
43
44 const __m128i round_const_y =
45 _mm_set1_epi32(((1 << conv_params->round_1) >> 1) -
46 (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1)));
47 const __m128i round_shift_y = _mm_cvtsi32_si128(conv_params->round_1);
48
49 const int bits =
50 FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1;
51 const __m128i round_shift_bits = _mm_cvtsi32_si128(bits);
52 const __m128i round_const_bits = _mm_set1_epi32((1 << bits) >> 1);
53 const __m128i clip_pixel =
54 _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255));
55 const __m128i zero = _mm_setzero_si128();
56
57 if (filter_params_x->taps == 12) {
58 __m128i coeffs_x[6], coeffs_y[6], s[24];
59 prepare_coeffs_12tap(filter_params_x, subpel_x_qn, coeffs_x);
60 prepare_coeffs_12tap(filter_params_y, subpel_y_qn, coeffs_y);
61
62 for (j = 0; j < w; j += 8) {
63 /* Horizontal filter */
64 {
65 for (i = 0; i < im_h; i += 1) {
66 const __m128i row00 =
67 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
68 const __m128i row01 =
69 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]);
70 const __m128i row02 =
71 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 16)]);
72
73 // even pixels
74 s[0] = _mm_alignr_epi8(row01, row00, 0);
75 s[1] = _mm_alignr_epi8(row01, row00, 4);
76 s[2] = _mm_alignr_epi8(row01, row00, 8);
77 s[3] = _mm_alignr_epi8(row01, row00, 12);
78 s[4] = _mm_alignr_epi8(row02, row01, 0);
79 s[5] = _mm_alignr_epi8(row02, row01, 4);
80
81 __m128i res_even = convolve_12tap(s, coeffs_x);
82 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x),
83 round_shift_x);
84
85 // odd pixels
86 s[0] = _mm_alignr_epi8(row01, row00, 2);
87 s[1] = _mm_alignr_epi8(row01, row00, 6);
88 s[2] = _mm_alignr_epi8(row01, row00, 10);
89 s[3] = _mm_alignr_epi8(row01, row00, 14);
90 s[4] = _mm_alignr_epi8(row02, row01, 2);
91 s[5] = _mm_alignr_epi8(row02, row01, 6);
92
93 __m128i res_odd = convolve_12tap(s, coeffs_x);
94 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x),
95 round_shift_x);
96
97 __m128i res_even1 = _mm_packs_epi32(res_even, res_even);
98 __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd);
99 __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1);
100
101 _mm_store_si128((__m128i *)&im_block[i * im_stride], res);
102 }
103 }
104
105 /* Vertical filter */
106 {
107 __m128i s0 = _mm_loadu_si128((__m128i *)(im_block + 0 * im_stride));
108 __m128i s1 = _mm_loadu_si128((__m128i *)(im_block + 1 * im_stride));
109 __m128i s2 = _mm_loadu_si128((__m128i *)(im_block + 2 * im_stride));
110 __m128i s3 = _mm_loadu_si128((__m128i *)(im_block + 3 * im_stride));
111 __m128i s4 = _mm_loadu_si128((__m128i *)(im_block + 4 * im_stride));
112 __m128i s5 = _mm_loadu_si128((__m128i *)(im_block + 5 * im_stride));
113 __m128i s6 = _mm_loadu_si128((__m128i *)(im_block + 6 * im_stride));
114 __m128i s7 = _mm_loadu_si128((__m128i *)(im_block + 7 * im_stride));
115 __m128i s8 = _mm_loadu_si128((__m128i *)(im_block + 8 * im_stride));
116 __m128i s9 = _mm_loadu_si128((__m128i *)(im_block + 9 * im_stride));
117 __m128i s10 = _mm_loadu_si128((__m128i *)(im_block + 10 * im_stride));
118
119 s[0] = _mm_unpacklo_epi16(s0, s1);
120 s[1] = _mm_unpacklo_epi16(s2, s3);
121 s[2] = _mm_unpacklo_epi16(s4, s5);
122 s[3] = _mm_unpacklo_epi16(s6, s7);
123 s[4] = _mm_unpacklo_epi16(s8, s9);
124
125 s[6] = _mm_unpackhi_epi16(s0, s1);
126 s[7] = _mm_unpackhi_epi16(s2, s3);
127 s[8] = _mm_unpackhi_epi16(s4, s5);
128 s[9] = _mm_unpackhi_epi16(s6, s7);
129 s[10] = _mm_unpackhi_epi16(s8, s9);
130
131 s[12] = _mm_unpacklo_epi16(s1, s2);
132 s[13] = _mm_unpacklo_epi16(s3, s4);
133 s[14] = _mm_unpacklo_epi16(s5, s6);
134 s[15] = _mm_unpacklo_epi16(s7, s8);
135 s[16] = _mm_unpacklo_epi16(s9, s10);
136
137 s[18] = _mm_unpackhi_epi16(s1, s2);
138 s[19] = _mm_unpackhi_epi16(s3, s4);
139 s[20] = _mm_unpackhi_epi16(s5, s6);
140 s[21] = _mm_unpackhi_epi16(s7, s8);
141 s[22] = _mm_unpackhi_epi16(s9, s10);
142
143 for (i = 0; i < h; i += 2) {
144 const int16_t *data = &im_block[i * im_stride];
145
146 __m128i s11 = _mm_loadu_si128((__m128i *)(data + 11 * im_stride));
147 __m128i s12 = _mm_loadu_si128((__m128i *)(data + 12 * im_stride));
148
149 s[5] = _mm_unpacklo_epi16(s10, s11);
150 s[11] = _mm_unpackhi_epi16(s10, s11);
151
152 s[17] = _mm_unpacklo_epi16(s11, s12);
153 s[23] = _mm_unpackhi_epi16(s11, s12);
154
155 const __m128i res_a0 = convolve_12tap(s, coeffs_y);
156 __m128i res_a_round0 = _mm_sra_epi32(
157 _mm_add_epi32(res_a0, round_const_y), round_shift_y);
158 res_a_round0 = _mm_sra_epi32(
159 _mm_add_epi32(res_a_round0, round_const_bits), round_shift_bits);
160
161 const __m128i res_a1 = convolve_12tap(s + 12, coeffs_y);
162 __m128i res_a_round1 = _mm_sra_epi32(
163 _mm_add_epi32(res_a1, round_const_y), round_shift_y);
164 res_a_round1 = _mm_sra_epi32(
165 _mm_add_epi32(res_a_round1, round_const_bits), round_shift_bits);
166
167 if (w - j > 4) {
168 const __m128i res_b0 = convolve_12tap(s + 6, coeffs_y);
169 __m128i res_b_round0 = _mm_sra_epi32(
170 _mm_add_epi32(res_b0, round_const_y), round_shift_y);
171 res_b_round0 =
172 _mm_sra_epi32(_mm_add_epi32(res_b_round0, round_const_bits),
173 round_shift_bits);
174
175 const __m128i res_b1 = convolve_12tap(s + 18, coeffs_y);
176 __m128i res_b_round1 = _mm_sra_epi32(
177 _mm_add_epi32(res_b1, round_const_y), round_shift_y);
178 res_b_round1 =
179 _mm_sra_epi32(_mm_add_epi32(res_b_round1, round_const_bits),
180 round_shift_bits);
181
182 __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0);
183 res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel);
184 res_16bit0 = _mm_max_epi16(res_16bit0, zero);
185
186 __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1);
187 res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel);
188 res_16bit1 = _mm_max_epi16(res_16bit1, zero);
189
190 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0);
191 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
192 res_16bit1);
193 } else if (w == 4) {
194 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
195 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
196 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
197
198 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
199 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
200 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
201
202 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0);
203 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
204 res_a_round1);
205 } else {
206 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
207 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
208 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
209
210 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
211 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
212 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
213
214 *((int *)(&dst[i * dst_stride + j])) =
215 _mm_cvtsi128_si32(res_a_round0);
216
217 *((int *)(&dst[i * dst_stride + j + dst_stride])) =
218 _mm_cvtsi128_si32(res_a_round1);
219 }
220 s[0] = s[1];
221 s[1] = s[2];
222 s[2] = s[3];
223 s[3] = s[4];
224 s[4] = s[5];
225
226 s[6] = s[7];
227 s[7] = s[8];
228 s[8] = s[9];
229 s[9] = s[10];
230 s[10] = s[11];
231
232 s[12] = s[13];
233 s[13] = s[14];
234 s[14] = s[15];
235 s[15] = s[16];
236 s[16] = s[17];
237
238 s[18] = s[19];
239 s[19] = s[20];
240 s[20] = s[21];
241 s[21] = s[22];
242 s[22] = s[23];
243
244 s10 = s12;
245 }
246 }
247 }
248 } else {
249 __m128i coeffs_x[4], coeffs_y[4], s[16];
250 prepare_coeffs(filter_params_x, subpel_x_qn, coeffs_x);
251 prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y);
252
253 for (j = 0; j < w; j += 8) {
254 /* Horizontal filter */
255 {
256 for (i = 0; i < im_h; i += 1) {
257 const __m128i row00 =
258 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
259 const __m128i row01 =
260 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]);
261
262 // even pixels
263 s[0] = _mm_alignr_epi8(row01, row00, 0);
264 s[1] = _mm_alignr_epi8(row01, row00, 4);
265 s[2] = _mm_alignr_epi8(row01, row00, 8);
266 s[3] = _mm_alignr_epi8(row01, row00, 12);
267
268 __m128i res_even = convolve(s, coeffs_x);
269 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x),
270 round_shift_x);
271
272 // odd pixels
273 s[0] = _mm_alignr_epi8(row01, row00, 2);
274 s[1] = _mm_alignr_epi8(row01, row00, 6);
275 s[2] = _mm_alignr_epi8(row01, row00, 10);
276 s[3] = _mm_alignr_epi8(row01, row00, 14);
277
278 __m128i res_odd = convolve(s, coeffs_x);
279 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x),
280 round_shift_x);
281
282 __m128i res_even1 = _mm_packs_epi32(res_even, res_even);
283 __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd);
284 __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1);
285
286 _mm_store_si128((__m128i *)&im_block[i * im_stride], res);
287 }
288 }
289
290 /* Vertical filter */
291 {
292 __m128i s0 = _mm_loadu_si128((__m128i *)(im_block + 0 * im_stride));
293 __m128i s1 = _mm_loadu_si128((__m128i *)(im_block + 1 * im_stride));
294 __m128i s2 = _mm_loadu_si128((__m128i *)(im_block + 2 * im_stride));
295 __m128i s3 = _mm_loadu_si128((__m128i *)(im_block + 3 * im_stride));
296 __m128i s4 = _mm_loadu_si128((__m128i *)(im_block + 4 * im_stride));
297 __m128i s5 = _mm_loadu_si128((__m128i *)(im_block + 5 * im_stride));
298 __m128i s6 = _mm_loadu_si128((__m128i *)(im_block + 6 * im_stride));
299
300 s[0] = _mm_unpacklo_epi16(s0, s1);
301 s[1] = _mm_unpacklo_epi16(s2, s3);
302 s[2] = _mm_unpacklo_epi16(s4, s5);
303
304 s[4] = _mm_unpackhi_epi16(s0, s1);
305 s[5] = _mm_unpackhi_epi16(s2, s3);
306 s[6] = _mm_unpackhi_epi16(s4, s5);
307
308 s[0 + 8] = _mm_unpacklo_epi16(s1, s2);
309 s[1 + 8] = _mm_unpacklo_epi16(s3, s4);
310 s[2 + 8] = _mm_unpacklo_epi16(s5, s6);
311
312 s[4 + 8] = _mm_unpackhi_epi16(s1, s2);
313 s[5 + 8] = _mm_unpackhi_epi16(s3, s4);
314 s[6 + 8] = _mm_unpackhi_epi16(s5, s6);
315
316 for (i = 0; i < h; i += 2) {
317 const int16_t *data = &im_block[i * im_stride];
318
319 __m128i s7 = _mm_loadu_si128((__m128i *)(data + 7 * im_stride));
320 __m128i s8 = _mm_loadu_si128((__m128i *)(data + 8 * im_stride));
321
322 s[3] = _mm_unpacklo_epi16(s6, s7);
323 s[7] = _mm_unpackhi_epi16(s6, s7);
324
325 s[3 + 8] = _mm_unpacklo_epi16(s7, s8);
326 s[7 + 8] = _mm_unpackhi_epi16(s7, s8);
327
328 const __m128i res_a0 = convolve(s, coeffs_y);
329 __m128i res_a_round0 = _mm_sra_epi32(
330 _mm_add_epi32(res_a0, round_const_y), round_shift_y);
331 res_a_round0 = _mm_sra_epi32(
332 _mm_add_epi32(res_a_round0, round_const_bits), round_shift_bits);
333
334 const __m128i res_a1 = convolve(s + 8, coeffs_y);
335 __m128i res_a_round1 = _mm_sra_epi32(
336 _mm_add_epi32(res_a1, round_const_y), round_shift_y);
337 res_a_round1 = _mm_sra_epi32(
338 _mm_add_epi32(res_a_round1, round_const_bits), round_shift_bits);
339
340 if (w - j > 4) {
341 const __m128i res_b0 = convolve(s + 4, coeffs_y);
342 __m128i res_b_round0 = _mm_sra_epi32(
343 _mm_add_epi32(res_b0, round_const_y), round_shift_y);
344 res_b_round0 =
345 _mm_sra_epi32(_mm_add_epi32(res_b_round0, round_const_bits),
346 round_shift_bits);
347
348 const __m128i res_b1 = convolve(s + 4 + 8, coeffs_y);
349 __m128i res_b_round1 = _mm_sra_epi32(
350 _mm_add_epi32(res_b1, round_const_y), round_shift_y);
351 res_b_round1 =
352 _mm_sra_epi32(_mm_add_epi32(res_b_round1, round_const_bits),
353 round_shift_bits);
354
355 __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0);
356 res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel);
357 res_16bit0 = _mm_max_epi16(res_16bit0, zero);
358
359 __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1);
360 res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel);
361 res_16bit1 = _mm_max_epi16(res_16bit1, zero);
362
363 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0);
364 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride],
365 res_16bit1);
366 } else if (w == 4) {
367 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
368 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
369 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
370
371 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
372 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
373 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
374
375 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0);
376 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride],
377 res_a_round1);
378 } else {
379 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0);
380 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel);
381 res_a_round0 = _mm_max_epi16(res_a_round0, zero);
382
383 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1);
384 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel);
385 res_a_round1 = _mm_max_epi16(res_a_round1, zero);
386
387 *((int *)(&dst[i * dst_stride + j])) =
388 _mm_cvtsi128_si32(res_a_round0);
389
390 *((int *)(&dst[i * dst_stride + j + dst_stride])) =
391 _mm_cvtsi128_si32(res_a_round1);
392 }
393 s[0] = s[1];
394 s[1] = s[2];
395 s[2] = s[3];
396
397 s[4] = s[5];
398 s[5] = s[6];
399 s[6] = s[7];
400
401 s[0 + 8] = s[1 + 8];
402 s[1 + 8] = s[2 + 8];
403 s[2 + 8] = s[3 + 8];
404
405 s[4 + 8] = s[5 + 8];
406 s[5 + 8] = s[6 + 8];
407 s[6 + 8] = s[7 + 8];
408
409 s6 = s8;
410 }
411 }
412 }
413 }
414 }
415