1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
/*
* Copyright (c) 2023, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include "warp_plane_neon.h"
DECLARE_ALIGNED(16, static const uint8_t, usdot_permute_idx[48]) = {
0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6,
4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10,
8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14
};
static AOM_FORCE_INLINE int16x8_t horizontal_filter_4x1_f4(const uint8x16_t in,
int sx, int alpha) {
const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1));
// Loading the 8 filter taps
int16x8_t f[4];
load_filters_4(f, sx, alpha);
int8x16_t f01_u8 = vcombine_s8(vmovn_s16(f[0]), vmovn_s16(f[1]));
int8x16_t f23_u8 = vcombine_s8(vmovn_s16(f[2]), vmovn_s16(f[3]));
uint8x8_t in0 = vget_low_u8(in);
uint8x8_t in1 = vget_low_u8(vextq_u8(in, in, 1));
uint8x8_t in2 = vget_low_u8(vextq_u8(in, in, 2));
uint8x8_t in3 = vget_low_u8(vextq_u8(in, in, 3));
int32x4_t m01 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in0, in1), f01_u8);
int32x4_t m23 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in2, in3), f23_u8);
int32x4_t tmp_res_low = vpaddq_s32(m01, m23);
tmp_res_low = vaddq_s32(tmp_res_low, add_const);
uint16x8_t res =
vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), vdup_n_u16(0));
return vreinterpretq_s16_u16(res);
}
static AOM_FORCE_INLINE int16x8_t horizontal_filter_8x1_f8(const uint8x16_t in,
int sx, int alpha) {
const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1));
// Loading the 8 filter taps
int16x8_t f[8];
load_filters_8(f, sx, alpha);
int8x16_t f01_u8 = vcombine_s8(vmovn_s16(f[0]), vmovn_s16(f[1]));
int8x16_t f23_u8 = vcombine_s8(vmovn_s16(f[2]), vmovn_s16(f[3]));
int8x16_t f45_u8 = vcombine_s8(vmovn_s16(f[4]), vmovn_s16(f[5]));
int8x16_t f67_u8 = vcombine_s8(vmovn_s16(f[6]), vmovn_s16(f[7]));
uint8x8_t in0 = vget_low_u8(in);
uint8x8_t in1 = vget_low_u8(vextq_u8(in, in, 1));
uint8x8_t in2 = vget_low_u8(vextq_u8(in, in, 2));
uint8x8_t in3 = vget_low_u8(vextq_u8(in, in, 3));
uint8x8_t in4 = vget_low_u8(vextq_u8(in, in, 4));
uint8x8_t in5 = vget_low_u8(vextq_u8(in, in, 5));
uint8x8_t in6 = vget_low_u8(vextq_u8(in, in, 6));
uint8x8_t in7 = vget_low_u8(vextq_u8(in, in, 7));
int32x4_t m01 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in0, in1), f01_u8);
int32x4_t m23 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in2, in3), f23_u8);
int32x4_t m45 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in4, in5), f45_u8);
int32x4_t m67 = vusdotq_s32(vdupq_n_s32(0), vcombine_u8(in6, in7), f67_u8);
int32x4_t tmp_res_low = vpaddq_s32(m01, m23);
int32x4_t tmp_res_high = vpaddq_s32(m45, m67);
tmp_res_low = vaddq_s32(tmp_res_low, add_const);
tmp_res_high = vaddq_s32(tmp_res_high, add_const);
uint16x8_t res = vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS),
vqrshrun_n_s32(tmp_res_high, ROUND0_BITS));
return vreinterpretq_s16_u16(res);
}
static AOM_FORCE_INLINE int16x8_t horizontal_filter_4x1_f1(const uint8x16_t in,
int sx) {
const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1));
int16x8_t f_s16 =
vld1q_s16((int16_t *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS)));
int8x16_t f_s8 = vcombine_s8(vmovn_s16(f_s16), vmovn_s16(f_s16));
uint8x16_t perm0 = vld1q_u8(&usdot_permute_idx[0]);
uint8x16_t perm1 = vld1q_u8(&usdot_permute_idx[16]);
// Permute samples ready for dot product.
// { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 }
// { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 }
uint8x16_t in_0123 = vqtbl1q_u8(in, perm0);
uint8x16_t in_4567 = vqtbl1q_u8(in, perm1);
int32x4_t m0123 = vusdotq_laneq_s32(vdupq_n_s32(0), in_0123, f_s8, 0);
m0123 = vusdotq_laneq_s32(m0123, in_4567, f_s8, 1);
int32x4_t tmp_res_low = m0123;
tmp_res_low = vaddq_s32(tmp_res_low, add_const);
uint16x8_t res =
vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS), vdup_n_u16(0));
return vreinterpretq_s16_u16(res);
}
static AOM_FORCE_INLINE int16x8_t horizontal_filter_8x1_f1(const uint8x16_t in,
int sx) {
const int32x4_t add_const = vdupq_n_s32(1 << (8 + FILTER_BITS - 1));
int16x8_t f_s16 =
vld1q_s16((int16_t *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS)));
int8x16_t f_s8 = vcombine_s8(vmovn_s16(f_s16), vmovn_s16(f_s16));
uint8x16_t perm0 = vld1q_u8(&usdot_permute_idx[0]);
uint8x16_t perm1 = vld1q_u8(&usdot_permute_idx[16]);
uint8x16_t perm2 = vld1q_u8(&usdot_permute_idx[32]);
// Permute samples ready for dot product.
// { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 }
// { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 }
// { 8, 9, 10, 11, 9, 10, 11, 12, 10, 11, 12, 13, 11, 12, 13, 14 }
uint8x16_t in_0123 = vqtbl1q_u8(in, perm0);
uint8x16_t in_4567 = vqtbl1q_u8(in, perm1);
uint8x16_t in_89ab = vqtbl1q_u8(in, perm2);
int32x4_t m0123 = vusdotq_laneq_s32(vdupq_n_s32(0), in_0123, f_s8, 0);
m0123 = vusdotq_laneq_s32(m0123, in_4567, f_s8, 1);
int32x4_t m4567 = vusdotq_laneq_s32(vdupq_n_s32(0), in_4567, f_s8, 0);
m4567 = vusdotq_laneq_s32(m4567, in_89ab, f_s8, 1);
int32x4_t tmp_res_low = m0123;
int32x4_t tmp_res_high = m4567;
tmp_res_low = vaddq_s32(tmp_res_low, add_const);
tmp_res_high = vaddq_s32(tmp_res_high, add_const);
uint16x8_t res = vcombine_u16(vqrshrun_n_s32(tmp_res_low, ROUND0_BITS),
vqrshrun_n_s32(tmp_res_high, ROUND0_BITS));
return vreinterpretq_s16_u16(res);
}
static AOM_FORCE_INLINE void vertical_filter_4x1_f1(const int16x8_t *src,
int32x4_t *res, int sy) {
int16x4_t s0 = vget_low_s16(src[0]);
int16x4_t s1 = vget_low_s16(src[1]);
int16x4_t s2 = vget_low_s16(src[2]);
int16x4_t s3 = vget_low_s16(src[3]);
int16x4_t s4 = vget_low_s16(src[4]);
int16x4_t s5 = vget_low_s16(src[5]);
int16x4_t s6 = vget_low_s16(src[6]);
int16x4_t s7 = vget_low_s16(src[7]);
int16x8_t f =
vld1q_s16((int16_t *)(av1_warped_filter + (sy >> WARPEDDIFF_PREC_BITS)));
int32x4_t m0123 = vmull_lane_s16(s0, vget_low_s16(f), 0);
m0123 = vmlal_lane_s16(m0123, s1, vget_low_s16(f), 1);
m0123 = vmlal_lane_s16(m0123, s2, vget_low_s16(f), 2);
m0123 = vmlal_lane_s16(m0123, s3, vget_low_s16(f), 3);
m0123 = vmlal_lane_s16(m0123, s4, vget_high_s16(f), 0);
m0123 = vmlal_lane_s16(m0123, s5, vget_high_s16(f), 1);
m0123 = vmlal_lane_s16(m0123, s6, vget_high_s16(f), 2);
m0123 = vmlal_lane_s16(m0123, s7, vget_high_s16(f), 3);
*res = m0123;
}
static AOM_FORCE_INLINE void vertical_filter_4x1_f4(const int16x8_t *src,
int32x4_t *res, int sy,
int gamma) {
int16x8_t s0, s1, s2, s3;
transpose_elems_s16_4x8(
vget_low_s16(src[0]), vget_low_s16(src[1]), vget_low_s16(src[2]),
vget_low_s16(src[3]), vget_low_s16(src[4]), vget_low_s16(src[5]),
vget_low_s16(src[6]), vget_low_s16(src[7]), &s0, &s1, &s2, &s3);
int16x8_t f[4];
load_filters_4(f, sy, gamma);
int32x4_t m0 = vmull_s16(vget_low_s16(s0), vget_low_s16(f[0]));
m0 = vmlal_s16(m0, vget_high_s16(s0), vget_high_s16(f[0]));
int32x4_t m1 = vmull_s16(vget_low_s16(s1), vget_low_s16(f[1]));
m1 = vmlal_s16(m1, vget_high_s16(s1), vget_high_s16(f[1]));
int32x4_t m2 = vmull_s16(vget_low_s16(s2), vget_low_s16(f[2]));
m2 = vmlal_s16(m2, vget_high_s16(s2), vget_high_s16(f[2]));
int32x4_t m3 = vmull_s16(vget_low_s16(s3), vget_low_s16(f[3]));
m3 = vmlal_s16(m3, vget_high_s16(s3), vget_high_s16(f[3]));
int32x4_t m0123_pairs[] = { m0, m1, m2, m3 };
*res = horizontal_add_4d_s32x4(m0123_pairs);
}
static AOM_FORCE_INLINE void vertical_filter_8x1_f1(const int16x8_t *src,
int32x4_t *res_low,
int32x4_t *res_high,
int sy) {
int16x8_t s0 = src[0];
int16x8_t s1 = src[1];
int16x8_t s2 = src[2];
int16x8_t s3 = src[3];
int16x8_t s4 = src[4];
int16x8_t s5 = src[5];
int16x8_t s6 = src[6];
int16x8_t s7 = src[7];
int16x8_t f =
vld1q_s16((int16_t *)(av1_warped_filter + (sy >> WARPEDDIFF_PREC_BITS)));
int32x4_t m0123 = vmull_lane_s16(vget_low_s16(s0), vget_low_s16(f), 0);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s1), vget_low_s16(f), 1);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s2), vget_low_s16(f), 2);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s3), vget_low_s16(f), 3);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s4), vget_high_s16(f), 0);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s5), vget_high_s16(f), 1);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s6), vget_high_s16(f), 2);
m0123 = vmlal_lane_s16(m0123, vget_low_s16(s7), vget_high_s16(f), 3);
int32x4_t m4567 = vmull_lane_s16(vget_high_s16(s0), vget_low_s16(f), 0);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s1), vget_low_s16(f), 1);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s2), vget_low_s16(f), 2);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s3), vget_low_s16(f), 3);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s4), vget_high_s16(f), 0);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s5), vget_high_s16(f), 1);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s6), vget_high_s16(f), 2);
m4567 = vmlal_lane_s16(m4567, vget_high_s16(s7), vget_high_s16(f), 3);
*res_low = m0123;
*res_high = m4567;
}
static AOM_FORCE_INLINE void vertical_filter_8x1_f8(const int16x8_t *src,
int32x4_t *res_low,
int32x4_t *res_high, int sy,
int gamma) {
int16x8_t s0 = src[0];
int16x8_t s1 = src[1];
int16x8_t s2 = src[2];
int16x8_t s3 = src[3];
int16x8_t s4 = src[4];
int16x8_t s5 = src[5];
int16x8_t s6 = src[6];
int16x8_t s7 = src[7];
transpose_elems_inplace_s16_8x8(&s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7);
int16x8_t f[8];
load_filters_8(f, sy, gamma);
int32x4_t m0 = vmull_s16(vget_low_s16(s0), vget_low_s16(f[0]));
m0 = vmlal_s16(m0, vget_high_s16(s0), vget_high_s16(f[0]));
int32x4_t m1 = vmull_s16(vget_low_s16(s1), vget_low_s16(f[1]));
m1 = vmlal_s16(m1, vget_high_s16(s1), vget_high_s16(f[1]));
int32x4_t m2 = vmull_s16(vget_low_s16(s2), vget_low_s16(f[2]));
m2 = vmlal_s16(m2, vget_high_s16(s2), vget_high_s16(f[2]));
int32x4_t m3 = vmull_s16(vget_low_s16(s3), vget_low_s16(f[3]));
m3 = vmlal_s16(m3, vget_high_s16(s3), vget_high_s16(f[3]));
int32x4_t m4 = vmull_s16(vget_low_s16(s4), vget_low_s16(f[4]));
m4 = vmlal_s16(m4, vget_high_s16(s4), vget_high_s16(f[4]));
int32x4_t m5 = vmull_s16(vget_low_s16(s5), vget_low_s16(f[5]));
m5 = vmlal_s16(m5, vget_high_s16(s5), vget_high_s16(f[5]));
int32x4_t m6 = vmull_s16(vget_low_s16(s6), vget_low_s16(f[6]));
m6 = vmlal_s16(m6, vget_high_s16(s6), vget_high_s16(f[6]));
int32x4_t m7 = vmull_s16(vget_low_s16(s7), vget_low_s16(f[7]));
m7 = vmlal_s16(m7, vget_high_s16(s7), vget_high_s16(f[7]));
int32x4_t m0123_pairs[] = { m0, m1, m2, m3 };
int32x4_t m4567_pairs[] = { m4, m5, m6, m7 };
*res_low = horizontal_add_4d_s32x4(m0123_pairs);
*res_high = horizontal_add_4d_s32x4(m4567_pairs);
}
void av1_warp_affine_neon_i8mm(const int32_t *mat, const uint8_t *ref,
int width, int height, int stride, uint8_t *pred,
int p_col, int p_row, int p_width, int p_height,
int p_stride, int subsampling_x,
int subsampling_y, ConvolveParams *conv_params,
int16_t alpha, int16_t beta, int16_t gamma,
int16_t delta) {
av1_warp_affine_common(mat, ref, width, height, stride, pred, p_col, p_row,
p_width, p_height, p_stride, subsampling_x,
subsampling_y, conv_params, alpha, beta, gamma, delta);
}
|
