/src/aom/av1/common/x86/convolve_2d_sse2.c
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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 <emmintrin.h> |
13 | | |
14 | | #include "config/av1_rtcd.h" |
15 | | |
16 | | #include "aom_dsp/aom_dsp_common.h" |
17 | | #include "aom_dsp/aom_filter.h" |
18 | | #include "aom_dsp/x86/convolve_sse2.h" |
19 | | #include "aom_dsp/x86/convolve_common_intrin.h" |
20 | | #include "av1/common/convolve.h" |
21 | | |
22 | | static void convolve_2d_sr_12tap_sse2( |
23 | | const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int w, |
24 | | int h, const InterpFilterParams *filter_params_x, |
25 | | const InterpFilterParams *filter_params_y, const int subpel_x_qn, |
26 | 0 | const int subpel_y_qn, ConvolveParams *conv_params) { |
27 | 0 | const int bd = 8; |
28 | |
|
29 | 0 | DECLARE_ALIGNED(16, int16_t, |
30 | 0 | im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]); |
31 | 0 | int im_h = h + filter_params_y->taps - 1; |
32 | 0 | int im_stride = w; |
33 | 0 | int i, j; |
34 | 0 | const int fo_vert = filter_params_y->taps / 2 - 1; |
35 | 0 | const int fo_horiz = filter_params_x->taps / 2 - 1; |
36 | 0 | const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; |
37 | |
|
38 | 0 | const __m128i zero = _mm_setzero_si128(); |
39 | 0 | const int bits = |
40 | 0 | FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; |
41 | 0 | const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; |
42 | |
|
43 | 0 | assert(conv_params->round_0 > 0); |
44 | 0 | __m128i coeffs[6]; |
45 | | |
46 | | /* Horizontal filter */ |
47 | 0 | { |
48 | 0 | prepare_coeffs_12tap(filter_params_x, subpel_x_qn, coeffs); |
49 | |
|
50 | 0 | const __m128i round_const = _mm_set1_epi32( |
51 | 0 | (1 << (bd + FILTER_BITS - 1)) + ((1 << conv_params->round_0) >> 1)); |
52 | 0 | const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); |
53 | |
|
54 | 0 | for (i = 0; i < im_h; ++i) { |
55 | 0 | for (j = 0; j < w; j += 8) { |
56 | 0 | const __m128i data = |
57 | 0 | _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); |
58 | 0 | const __m128i data_2 = |
59 | 0 | _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 4)]); |
60 | | |
61 | | // Filter even-index pixels |
62 | 0 | const __m128i src_0 = _mm_unpacklo_epi8(data, zero); |
63 | 0 | const __m128i res_0 = _mm_madd_epi16(src_0, coeffs[0]); |
64 | 0 | const __m128i src_2 = _mm_unpacklo_epi8(_mm_srli_si128(data, 2), zero); |
65 | 0 | const __m128i res_2 = _mm_madd_epi16(src_2, coeffs[1]); |
66 | 0 | const __m128i src_4 = _mm_unpacklo_epi8(data_2, zero); |
67 | 0 | const __m128i res_4 = _mm_madd_epi16(src_4, coeffs[2]); |
68 | 0 | const __m128i src_6 = |
69 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 2), zero); |
70 | 0 | const __m128i res_6 = _mm_madd_epi16(src_6, coeffs[3]); |
71 | 0 | const __m128i src_8 = |
72 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 4), zero); |
73 | 0 | const __m128i res_8 = _mm_madd_epi16(src_8, coeffs[4]); |
74 | 0 | const __m128i src_10 = |
75 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 6), zero); |
76 | 0 | const __m128i res_10 = _mm_madd_epi16(src_10, coeffs[5]); |
77 | |
|
78 | 0 | const __m128i res_0246 = _mm_add_epi32(_mm_add_epi32(res_0, res_4), |
79 | 0 | _mm_add_epi32(res_2, res_6)); |
80 | 0 | __m128i res_even = |
81 | 0 | _mm_add_epi32(_mm_add_epi32(res_8, res_10), res_0246); |
82 | 0 | res_even = |
83 | 0 | _mm_sra_epi32(_mm_add_epi32(res_even, round_const), round_shift); |
84 | | |
85 | | // Filter odd-index pixels |
86 | 0 | const __m128i src_1 = _mm_unpacklo_epi8(_mm_srli_si128(data, 1), zero); |
87 | 0 | const __m128i res_1 = _mm_madd_epi16(src_1, coeffs[0]); |
88 | 0 | const __m128i src_3 = _mm_unpacklo_epi8(_mm_srli_si128(data, 3), zero); |
89 | 0 | const __m128i res_3 = _mm_madd_epi16(src_3, coeffs[1]); |
90 | 0 | const __m128i src_5 = |
91 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 1), zero); |
92 | 0 | const __m128i res_5 = _mm_madd_epi16(src_5, coeffs[2]); |
93 | 0 | const __m128i src_7 = |
94 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 3), zero); |
95 | 0 | const __m128i res_7 = _mm_madd_epi16(src_7, coeffs[3]); |
96 | 0 | const __m128i src_9 = |
97 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 5), zero); |
98 | 0 | const __m128i res_9 = _mm_madd_epi16(src_9, coeffs[4]); |
99 | 0 | const __m128i src_11 = |
100 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data_2, 7), zero); |
101 | 0 | const __m128i res_11 = _mm_madd_epi16(src_11, coeffs[5]); |
102 | |
|
103 | 0 | const __m128i res_1357 = _mm_add_epi32(_mm_add_epi32(res_1, res_5), |
104 | 0 | _mm_add_epi32(res_3, res_7)); |
105 | 0 | __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_9, res_11), res_1357); |
106 | 0 | res_odd = |
107 | 0 | _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), round_shift); |
108 | | |
109 | | // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7 |
110 | 0 | __m128i res = _mm_packs_epi32(res_even, res_odd); |
111 | 0 | _mm_storeu_si128((__m128i *)&im_block[i * im_stride + j], res); |
112 | 0 | } |
113 | 0 | } |
114 | 0 | } |
115 | | |
116 | | /* Vertical filter */ |
117 | 0 | { |
118 | 0 | prepare_coeffs_12tap(filter_params_y, subpel_y_qn, coeffs); |
119 | |
|
120 | 0 | const __m128i sum_round = |
121 | 0 | _mm_set1_epi32((1 << offset_bits) + ((1 << conv_params->round_1) >> 1)); |
122 | 0 | const __m128i sum_shift = _mm_cvtsi32_si128(conv_params->round_1); |
123 | |
|
124 | 0 | const __m128i round_const = _mm_set1_epi32( |
125 | 0 | ((1 << bits) >> 1) - (1 << (offset_bits - conv_params->round_1)) - |
126 | 0 | ((1 << (offset_bits - conv_params->round_1)) >> 1)); |
127 | 0 | const __m128i round_shift = _mm_cvtsi32_si128(bits); |
128 | |
|
129 | 0 | for (i = 0; i < h; ++i) { |
130 | 0 | for (j = 0; j < w; j += 8) { |
131 | | // Filter even-index pixels |
132 | 0 | const int16_t *data = &im_block[i * im_stride + j]; |
133 | 0 | const __m128i src_0 = |
134 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride), |
135 | 0 | *(__m128i *)(data + 1 * im_stride)); |
136 | 0 | const __m128i src_2 = |
137 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride), |
138 | 0 | *(__m128i *)(data + 3 * im_stride)); |
139 | 0 | const __m128i src_4 = |
140 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride), |
141 | 0 | *(__m128i *)(data + 5 * im_stride)); |
142 | 0 | const __m128i src_6 = |
143 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride), |
144 | 0 | *(__m128i *)(data + 7 * im_stride)); |
145 | 0 | const __m128i src_8 = |
146 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 8 * im_stride), |
147 | 0 | *(__m128i *)(data + 9 * im_stride)); |
148 | 0 | const __m128i src_10 = |
149 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 10 * im_stride), |
150 | 0 | *(__m128i *)(data + 11 * im_stride)); |
151 | |
|
152 | 0 | const __m128i res_0 = _mm_madd_epi16(src_0, coeffs[0]); |
153 | 0 | const __m128i res_2 = _mm_madd_epi16(src_2, coeffs[1]); |
154 | 0 | const __m128i res_4 = _mm_madd_epi16(src_4, coeffs[2]); |
155 | 0 | const __m128i res_6 = _mm_madd_epi16(src_6, coeffs[3]); |
156 | 0 | const __m128i res_8 = _mm_madd_epi16(src_8, coeffs[4]); |
157 | 0 | const __m128i res_10 = _mm_madd_epi16(src_10, coeffs[5]); |
158 | |
|
159 | 0 | const __m128i res_0246 = _mm_add_epi32(_mm_add_epi32(res_0, res_2), |
160 | 0 | _mm_add_epi32(res_4, res_6)); |
161 | 0 | __m128i res_even = |
162 | 0 | _mm_add_epi32(_mm_add_epi32(res_8, res_10), res_0246); |
163 | | |
164 | | // Filter odd-index pixels |
165 | 0 | const __m128i src_1 = |
166 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 0 * im_stride), |
167 | 0 | *(__m128i *)(data + 1 * im_stride)); |
168 | 0 | const __m128i src_3 = |
169 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride), |
170 | 0 | *(__m128i *)(data + 3 * im_stride)); |
171 | 0 | const __m128i src_5 = |
172 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride), |
173 | 0 | *(__m128i *)(data + 5 * im_stride)); |
174 | 0 | const __m128i src_7 = |
175 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride), |
176 | 0 | *(__m128i *)(data + 7 * im_stride)); |
177 | 0 | const __m128i src_9 = |
178 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 8 * im_stride), |
179 | 0 | *(__m128i *)(data + 9 * im_stride)); |
180 | 0 | const __m128i src_11 = |
181 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 10 * im_stride), |
182 | 0 | *(__m128i *)(data + 11 * im_stride)); |
183 | |
|
184 | 0 | const __m128i res_1 = _mm_madd_epi16(src_1, coeffs[0]); |
185 | 0 | const __m128i res_3 = _mm_madd_epi16(src_3, coeffs[1]); |
186 | 0 | const __m128i res_5 = _mm_madd_epi16(src_5, coeffs[2]); |
187 | 0 | const __m128i res_7 = _mm_madd_epi16(src_7, coeffs[3]); |
188 | 0 | const __m128i res_9 = _mm_madd_epi16(src_9, coeffs[4]); |
189 | 0 | const __m128i res_11 = _mm_madd_epi16(src_11, coeffs[5]); |
190 | |
|
191 | 0 | const __m128i res_1357 = _mm_add_epi32(_mm_add_epi32(res_1, res_5), |
192 | 0 | _mm_add_epi32(res_3, res_7)); |
193 | 0 | __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_9, res_11), res_1357); |
194 | | |
195 | | // Rearrange pixels back into the order 0 ... 7 |
196 | 0 | const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); |
197 | 0 | const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); |
198 | |
|
199 | 0 | __m128i res_lo_round = |
200 | 0 | _mm_sra_epi32(_mm_add_epi32(res_lo, sum_round), sum_shift); |
201 | 0 | __m128i res_hi_round = |
202 | 0 | _mm_sra_epi32(_mm_add_epi32(res_hi, sum_round), sum_shift); |
203 | |
|
204 | 0 | res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const), |
205 | 0 | round_shift); |
206 | 0 | res_hi_round = _mm_sra_epi32(_mm_add_epi32(res_hi_round, round_const), |
207 | 0 | round_shift); |
208 | |
|
209 | 0 | const __m128i res16 = _mm_packs_epi32(res_lo_round, res_hi_round); |
210 | 0 | const __m128i res = _mm_packus_epi16(res16, res16); |
211 | | |
212 | | // Accumulate values into the destination buffer |
213 | 0 | __m128i *const p = (__m128i *)&dst[i * dst_stride + j]; |
214 | |
|
215 | 0 | _mm_storel_epi64(p, res); |
216 | 0 | } |
217 | 0 | } |
218 | 0 | } |
219 | 0 | } |
220 | | |
221 | | void av1_convolve_2d_sr_sse2(const uint8_t *src, int src_stride, uint8_t *dst, |
222 | | int dst_stride, int w, int h, |
223 | | const InterpFilterParams *filter_params_x, |
224 | | const InterpFilterParams *filter_params_y, |
225 | | const int subpel_x_qn, const int subpel_y_qn, |
226 | 0 | ConvolveParams *conv_params) { |
227 | 0 | if (filter_params_x->taps > 8) { |
228 | 0 | if (w < 8) { |
229 | 0 | av1_convolve_2d_sr_c(src, src_stride, dst, dst_stride, w, h, |
230 | 0 | filter_params_x, filter_params_y, subpel_x_qn, |
231 | 0 | subpel_y_qn, conv_params); |
232 | 0 | } else { |
233 | 0 | convolve_2d_sr_12tap_sse2(src, src_stride, dst, dst_stride, w, h, |
234 | 0 | filter_params_x, filter_params_y, subpel_x_qn, |
235 | 0 | subpel_y_qn, conv_params); |
236 | 0 | } |
237 | 0 | } else { |
238 | 0 | const int bd = 8; |
239 | |
|
240 | 0 | DECLARE_ALIGNED(16, int16_t, |
241 | 0 | im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]); |
242 | 0 | int im_h = h + filter_params_y->taps - 1; |
243 | 0 | int im_stride = MAX_SB_SIZE; |
244 | 0 | int i, j; |
245 | 0 | const int fo_vert = filter_params_y->taps / 2 - 1; |
246 | 0 | const int fo_horiz = filter_params_x->taps / 2 - 1; |
247 | 0 | const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; |
248 | |
|
249 | 0 | const __m128i zero = _mm_setzero_si128(); |
250 | 0 | const int bits = |
251 | 0 | FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; |
252 | 0 | const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; |
253 | |
|
254 | 0 | assert(conv_params->round_0 > 0); |
255 | | |
256 | | /* Horizontal filter */ |
257 | 0 | { |
258 | 0 | const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( |
259 | 0 | filter_params_x, subpel_x_qn & SUBPEL_MASK); |
260 | 0 | const __m128i coeffs_x = _mm_loadu_si128((__m128i *)x_filter); |
261 | | |
262 | | // coeffs 0 1 0 1 2 3 2 3 |
263 | 0 | const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_x, coeffs_x); |
264 | | // coeffs 4 5 4 5 6 7 6 7 |
265 | 0 | const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_x, coeffs_x); |
266 | | |
267 | | // coeffs 0 1 0 1 0 1 0 1 |
268 | 0 | const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); |
269 | | // coeffs 2 3 2 3 2 3 2 3 |
270 | 0 | const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); |
271 | | // coeffs 4 5 4 5 4 5 4 5 |
272 | 0 | const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); |
273 | | // coeffs 6 7 6 7 6 7 6 7 |
274 | 0 | const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); |
275 | |
|
276 | 0 | const __m128i round_const = _mm_set1_epi32( |
277 | 0 | (1 << (bd + FILTER_BITS - 1)) + ((1 << conv_params->round_0) >> 1)); |
278 | 0 | const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); |
279 | |
|
280 | 0 | for (i = 0; i < im_h; ++i) { |
281 | 0 | for (j = 0; j < w; j += 8) { |
282 | 0 | const __m128i data = |
283 | 0 | _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); |
284 | | |
285 | | // Filter even-index pixels |
286 | 0 | const __m128i src_0 = _mm_unpacklo_epi8(data, zero); |
287 | 0 | const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01); |
288 | 0 | const __m128i src_2 = |
289 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 2), zero); |
290 | 0 | const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); |
291 | 0 | const __m128i src_4 = |
292 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 4), zero); |
293 | 0 | const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); |
294 | 0 | const __m128i src_6 = |
295 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 6), zero); |
296 | 0 | const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); |
297 | |
|
298 | 0 | __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_4), |
299 | 0 | _mm_add_epi32(res_2, res_6)); |
300 | 0 | res_even = |
301 | 0 | _mm_sra_epi32(_mm_add_epi32(res_even, round_const), round_shift); |
302 | | |
303 | | // Filter odd-index pixels |
304 | 0 | const __m128i src_1 = |
305 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 1), zero); |
306 | 0 | const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); |
307 | 0 | const __m128i src_3 = |
308 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 3), zero); |
309 | 0 | const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); |
310 | 0 | const __m128i src_5 = |
311 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 5), zero); |
312 | 0 | const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); |
313 | 0 | const __m128i src_7 = |
314 | 0 | _mm_unpacklo_epi8(_mm_srli_si128(data, 7), zero); |
315 | 0 | const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); |
316 | |
|
317 | 0 | __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_5), |
318 | 0 | _mm_add_epi32(res_3, res_7)); |
319 | 0 | res_odd = |
320 | 0 | _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), round_shift); |
321 | | |
322 | | // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7 |
323 | 0 | __m128i res = _mm_packs_epi32(res_even, res_odd); |
324 | 0 | _mm_storeu_si128((__m128i *)&im_block[i * im_stride + j], res); |
325 | 0 | } |
326 | 0 | } |
327 | 0 | } |
328 | | |
329 | | /* Vertical filter */ |
330 | 0 | { |
331 | 0 | const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
332 | 0 | filter_params_y, subpel_y_qn & SUBPEL_MASK); |
333 | 0 | const __m128i coeffs_y = _mm_loadu_si128((__m128i *)y_filter); |
334 | | |
335 | | // coeffs 0 1 0 1 2 3 2 3 |
336 | 0 | const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_y, coeffs_y); |
337 | | // coeffs 4 5 4 5 6 7 6 7 |
338 | 0 | const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_y, coeffs_y); |
339 | | |
340 | | // coeffs 0 1 0 1 0 1 0 1 |
341 | 0 | const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); |
342 | | // coeffs 2 3 2 3 2 3 2 3 |
343 | 0 | const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); |
344 | | // coeffs 4 5 4 5 4 5 4 5 |
345 | 0 | const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); |
346 | | // coeffs 6 7 6 7 6 7 6 7 |
347 | 0 | const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); |
348 | |
|
349 | 0 | const __m128i sum_round = _mm_set1_epi32( |
350 | 0 | (1 << offset_bits) + ((1 << conv_params->round_1) >> 1)); |
351 | 0 | const __m128i sum_shift = _mm_cvtsi32_si128(conv_params->round_1); |
352 | |
|
353 | 0 | const __m128i round_const = _mm_set1_epi32( |
354 | 0 | ((1 << bits) >> 1) - (1 << (offset_bits - conv_params->round_1)) - |
355 | 0 | ((1 << (offset_bits - conv_params->round_1)) >> 1)); |
356 | 0 | const __m128i round_shift = _mm_cvtsi32_si128(bits); |
357 | |
|
358 | 0 | for (i = 0; i < h; ++i) { |
359 | 0 | for (j = 0; j < w; j += 8) { |
360 | | // Filter even-index pixels |
361 | 0 | const int16_t *data = &im_block[i * im_stride + j]; |
362 | 0 | const __m128i src_0 = |
363 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride), |
364 | 0 | *(__m128i *)(data + 1 * im_stride)); |
365 | 0 | const __m128i src_2 = |
366 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride), |
367 | 0 | *(__m128i *)(data + 3 * im_stride)); |
368 | 0 | const __m128i src_4 = |
369 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride), |
370 | 0 | *(__m128i *)(data + 5 * im_stride)); |
371 | 0 | const __m128i src_6 = |
372 | 0 | _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride), |
373 | 0 | *(__m128i *)(data + 7 * im_stride)); |
374 | |
|
375 | 0 | const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01); |
376 | 0 | const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); |
377 | 0 | const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); |
378 | 0 | const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); |
379 | |
|
380 | 0 | const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), |
381 | 0 | _mm_add_epi32(res_4, res_6)); |
382 | | |
383 | | // Filter odd-index pixels |
384 | 0 | const __m128i src_1 = |
385 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 0 * im_stride), |
386 | 0 | *(__m128i *)(data + 1 * im_stride)); |
387 | 0 | const __m128i src_3 = |
388 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride), |
389 | 0 | *(__m128i *)(data + 3 * im_stride)); |
390 | 0 | const __m128i src_5 = |
391 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride), |
392 | 0 | *(__m128i *)(data + 5 * im_stride)); |
393 | 0 | const __m128i src_7 = |
394 | 0 | _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride), |
395 | 0 | *(__m128i *)(data + 7 * im_stride)); |
396 | |
|
397 | 0 | const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); |
398 | 0 | const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); |
399 | 0 | const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); |
400 | 0 | const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); |
401 | |
|
402 | 0 | const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), |
403 | 0 | _mm_add_epi32(res_5, res_7)); |
404 | | |
405 | | // Rearrange pixels back into the order 0 ... 7 |
406 | 0 | const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); |
407 | 0 | const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); |
408 | |
|
409 | 0 | __m128i res_lo_round = |
410 | 0 | _mm_sra_epi32(_mm_add_epi32(res_lo, sum_round), sum_shift); |
411 | 0 | __m128i res_hi_round = |
412 | 0 | _mm_sra_epi32(_mm_add_epi32(res_hi, sum_round), sum_shift); |
413 | |
|
414 | 0 | res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const), |
415 | 0 | round_shift); |
416 | 0 | res_hi_round = _mm_sra_epi32(_mm_add_epi32(res_hi_round, round_const), |
417 | 0 | round_shift); |
418 | |
|
419 | 0 | const __m128i res16 = _mm_packs_epi32(res_lo_round, res_hi_round); |
420 | 0 | const __m128i res = _mm_packus_epi16(res16, res16); |
421 | | |
422 | | // Accumulate values into the destination buffer |
423 | 0 | __m128i *const p = (__m128i *)&dst[i * dst_stride + j]; |
424 | |
|
425 | 0 | if (w == 2) { |
426 | 0 | *(uint16_t *)p = (uint16_t)_mm_cvtsi128_si32(res); |
427 | 0 | } else if (w == 4) { |
428 | 0 | *(int *)p = _mm_cvtsi128_si32(res); |
429 | 0 | } else { |
430 | 0 | _mm_storel_epi64(p, res); |
431 | 0 | } |
432 | 0 | } |
433 | 0 | } |
434 | 0 | } |
435 | 0 | } |
436 | 0 | } |
437 | | |
438 | | void av1_dist_wtd_convolve_2d_copy_sse2(const uint8_t *src, int src_stride, |
439 | | uint8_t *dst0, int dst_stride0, int w, |
440 | 0 | int h, ConvolveParams *conv_params) { |
441 | 0 | const int bd = 8; |
442 | 0 | CONV_BUF_TYPE *dst = conv_params->dst; |
443 | 0 | int dst_stride = conv_params->dst_stride; |
444 | |
|
445 | 0 | const int bits = |
446 | 0 | FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0; |
447 | 0 | const int do_average = conv_params->do_average; |
448 | 0 | const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg; |
449 | 0 | const __m128i zero = _mm_setzero_si128(); |
450 | 0 | const __m128i left_shift = _mm_cvtsi32_si128(bits); |
451 | 0 | int i, j; |
452 | |
|
453 | 0 | const int w0 = conv_params->fwd_offset; |
454 | 0 | const int w1 = conv_params->bck_offset; |
455 | 0 | const __m128i wt0 = _mm_set1_epi16(w0); |
456 | 0 | const __m128i wt1 = _mm_set1_epi16(w1); |
457 | 0 | const __m128i wt = _mm_unpacklo_epi16(wt0, wt1); |
458 | |
|
459 | 0 | const int offset_0 = |
460 | 0 | bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; |
461 | 0 | const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); |
462 | 0 | const __m128i offset_const = _mm_set1_epi16(offset); |
463 | 0 | const int rounding_shift = |
464 | 0 | 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; |
465 | 0 | const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1); |
466 | |
|
467 | 0 | assert((w % 4) == 0); |
468 | | |
469 | 0 | if (!(w % 16)) { |
470 | 0 | for (i = 0; i < h; ++i) { |
471 | 0 | for (j = 0; j < w; j += 16) { |
472 | 0 | const __m128i d8 = _mm_loadu_si128((__m128i *)&src[j]); |
473 | |
|
474 | 0 | const __m128i d16_lo = _mm_unpacklo_epi8(d8, zero); |
475 | 0 | const __m128i d16_hi = _mm_unpackhi_epi8(d8, zero); |
476 | |
|
477 | 0 | const __m128i res_lo = _mm_sll_epi16(d16_lo, left_shift); |
478 | 0 | const __m128i res_unsigned_lo = _mm_add_epi16(res_lo, offset_const); |
479 | |
|
480 | 0 | const __m128i res_hi = _mm_sll_epi16(d16_hi, left_shift); |
481 | 0 | const __m128i res_unsigned_hi = _mm_add_epi16(res_hi, offset_const); |
482 | |
|
483 | 0 | if (do_average) { |
484 | 0 | const __m128i data_ref_0_lo = _mm_loadu_si128((__m128i *)(&dst[j])); |
485 | 0 | const __m128i data_ref_0_hi = |
486 | 0 | _mm_loadu_si128((__m128i *)(&dst[j + 8])); |
487 | |
|
488 | 0 | const __m128i comp_avg_res_lo = comp_avg( |
489 | 0 | &data_ref_0_lo, &res_unsigned_lo, &wt, use_dist_wtd_comp_avg); |
490 | |
|
491 | 0 | const __m128i round_result_lo = convolve_rounding( |
492 | 0 | &comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift); |
493 | |
|
494 | 0 | const __m128i comp_avg_res_hi = comp_avg( |
495 | 0 | &data_ref_0_hi, &res_unsigned_hi, &wt, use_dist_wtd_comp_avg); |
496 | |
|
497 | 0 | const __m128i round_result_hi = convolve_rounding( |
498 | 0 | &comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift); |
499 | |
|
500 | 0 | const __m128i res_8 = |
501 | 0 | _mm_packus_epi16(round_result_lo, round_result_hi); |
502 | |
|
503 | 0 | _mm_store_si128((__m128i *)(&dst0[j]), res_8); |
504 | 0 | } else { |
505 | 0 | _mm_store_si128((__m128i *)(&dst[j]), res_unsigned_lo); |
506 | 0 | _mm_store_si128((__m128i *)(&dst[j + 8]), res_unsigned_hi); |
507 | 0 | } |
508 | 0 | } |
509 | 0 | src += src_stride; |
510 | 0 | dst += dst_stride; |
511 | 0 | dst0 += dst_stride0; |
512 | 0 | } |
513 | 0 | } else { |
514 | 0 | for (i = 0; i < h; ++i) { |
515 | 0 | for (j = 0; j < w; j += 8) { |
516 | 0 | const __m128i d8 = _mm_loadl_epi64((__m128i *)&src[j]); |
517 | 0 | const __m128i d16_0 = _mm_unpacklo_epi8(d8, zero); |
518 | |
|
519 | 0 | const __m128i res = _mm_sll_epi16(d16_0, left_shift); |
520 | 0 | const __m128i res_unsigned = _mm_add_epi16(res, offset_const); |
521 | |
|
522 | 0 | if (do_average) { |
523 | 0 | const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)(&dst[j])); |
524 | |
|
525 | 0 | const __m128i comp_avg_res = |
526 | 0 | comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg); |
527 | |
|
528 | 0 | const __m128i round_result = convolve_rounding( |
529 | 0 | &comp_avg_res, &offset_const, &rounding_const, rounding_shift); |
530 | |
|
531 | 0 | const __m128i res_8 = _mm_packus_epi16(round_result, round_result); |
532 | |
|
533 | 0 | if (w > 4) |
534 | 0 | _mm_storel_epi64((__m128i *)(&dst0[j]), res_8); |
535 | 0 | else |
536 | 0 | *(int *)(&dst0[j]) = _mm_cvtsi128_si32(res_8); |
537 | 0 | } else { |
538 | 0 | _mm_store_si128((__m128i *)(&dst[j]), res_unsigned); |
539 | 0 | } |
540 | 0 | } |
541 | 0 | src += src_stride; |
542 | 0 | dst += dst_stride; |
543 | 0 | dst0 += dst_stride0; |
544 | 0 | } |
545 | 0 | } |
546 | 0 | } |