xref: /aosp_15_r20/external/libvpx/vpx_dsp/arm/highbd_sad4d_neon.c (revision fb1b10ab9aebc7c7068eedab379b749d7e3900be)
1 /*
2  *  Copyright (c) 2023 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include <arm_neon.h>
12 
13 #include "./vpx_config.h"
14 #include "./vpx_dsp_rtcd.h"
15 
16 #include "vpx/vpx_integer.h"
17 #include "vpx_dsp/arm/mem_neon.h"
18 #include "vpx_dsp/arm/sum_neon.h"
19 
highbd_sad4xhx4d_neon(const uint8_t * src_ptr,int src_stride,const uint8_t * const ref_ptr[4],int ref_stride,uint32_t res[4],int h)20 static INLINE void highbd_sad4xhx4d_neon(const uint8_t *src_ptr, int src_stride,
21                                          const uint8_t *const ref_ptr[4],
22                                          int ref_stride, uint32_t res[4],
23                                          int h) {
24   const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
25   const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
26   const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
27   const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
28   const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
29 
30   uint32x4_t sum[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
31                         vdupq_n_u32(0) };
32 
33   int i = 0;
34   do {
35     uint16x4_t s = vld1_u16(src16_ptr + i * src_stride);
36     uint16x4_t r0 = vld1_u16(ref16_ptr0 + i * ref_stride);
37     uint16x4_t r1 = vld1_u16(ref16_ptr1 + i * ref_stride);
38     uint16x4_t r2 = vld1_u16(ref16_ptr2 + i * ref_stride);
39     uint16x4_t r3 = vld1_u16(ref16_ptr3 + i * ref_stride);
40 
41     sum[0] = vabal_u16(sum[0], s, r0);
42     sum[1] = vabal_u16(sum[1], s, r1);
43     sum[2] = vabal_u16(sum[2], s, r2);
44     sum[3] = vabal_u16(sum[3], s, r3);
45 
46   } while (++i < h);
47 
48   vst1q_u32(res, horizontal_add_4d_uint32x4(sum));
49 }
50 
highbd_sad8xhx4d_neon(const uint8_t * src_ptr,int src_stride,const uint8_t * const ref_ptr[4],int ref_stride,uint32_t res[4],int h)51 static INLINE void highbd_sad8xhx4d_neon(const uint8_t *src_ptr, int src_stride,
52                                          const uint8_t *const ref_ptr[4],
53                                          int ref_stride, uint32_t res[4],
54                                          int h) {
55   const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
56   const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
57   const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
58   const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
59   const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
60 
61   uint16x8_t sum[4] = { vdupq_n_u16(0), vdupq_n_u16(0), vdupq_n_u16(0),
62                         vdupq_n_u16(0) };
63   uint32x4_t sum_u32[4];
64 
65   int i = 0;
66   do {
67     uint16x8_t s = vld1q_u16(src16_ptr + i * src_stride);
68 
69     sum[0] = vabaq_u16(sum[0], s, vld1q_u16(ref16_ptr0 + i * ref_stride));
70     sum[1] = vabaq_u16(sum[1], s, vld1q_u16(ref16_ptr1 + i * ref_stride));
71     sum[2] = vabaq_u16(sum[2], s, vld1q_u16(ref16_ptr2 + i * ref_stride));
72     sum[3] = vabaq_u16(sum[3], s, vld1q_u16(ref16_ptr3 + i * ref_stride));
73 
74   } while (++i < h);
75 
76   sum_u32[0] = vpaddlq_u16(sum[0]);
77   sum_u32[1] = vpaddlq_u16(sum[1]);
78   sum_u32[2] = vpaddlq_u16(sum[2]);
79   sum_u32[3] = vpaddlq_u16(sum[3]);
80   vst1q_u32(res, horizontal_add_4d_uint32x4(sum_u32));
81 }
82 
sad8_neon(uint16x8_t src,uint16x8_t ref,uint32x4_t * const sad_sum)83 static INLINE void sad8_neon(uint16x8_t src, uint16x8_t ref,
84                              uint32x4_t *const sad_sum) {
85   uint16x8_t abs_diff = vabdq_u16(src, ref);
86   *sad_sum = vpadalq_u16(*sad_sum, abs_diff);
87 }
88 
highbd_sad16xhx4d_neon(const uint8_t * src_ptr,int src_stride,const uint8_t * const ref_ptr[4],int ref_stride,uint32_t res[4],int h)89 static INLINE void highbd_sad16xhx4d_neon(const uint8_t *src_ptr,
90                                           int src_stride,
91                                           const uint8_t *const ref_ptr[4],
92                                           int ref_stride, uint32_t res[4],
93                                           int h) {
94   const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
95   const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
96   const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
97   const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
98   const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
99 
100   uint32x4_t sum_lo[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
101                            vdupq_n_u32(0) };
102   uint32x4_t sum_hi[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
103                            vdupq_n_u32(0) };
104   uint32x4_t sum[4];
105 
106   int i = 0;
107   do {
108     uint16x8_t s0, s1;
109 
110     s0 = vld1q_u16(src16_ptr + i * src_stride);
111     sad8_neon(s0, vld1q_u16(ref16_ptr0 + i * ref_stride), &sum_lo[0]);
112     sad8_neon(s0, vld1q_u16(ref16_ptr1 + i * ref_stride), &sum_lo[1]);
113     sad8_neon(s0, vld1q_u16(ref16_ptr2 + i * ref_stride), &sum_lo[2]);
114     sad8_neon(s0, vld1q_u16(ref16_ptr3 + i * ref_stride), &sum_lo[3]);
115 
116     s1 = vld1q_u16(src16_ptr + i * src_stride + 8);
117     sad8_neon(s1, vld1q_u16(ref16_ptr0 + i * ref_stride + 8), &sum_hi[0]);
118     sad8_neon(s1, vld1q_u16(ref16_ptr1 + i * ref_stride + 8), &sum_hi[1]);
119     sad8_neon(s1, vld1q_u16(ref16_ptr2 + i * ref_stride + 8), &sum_hi[2]);
120     sad8_neon(s1, vld1q_u16(ref16_ptr3 + i * ref_stride + 8), &sum_hi[3]);
121 
122   } while (++i < h);
123 
124   sum[0] = vaddq_u32(sum_lo[0], sum_hi[0]);
125   sum[1] = vaddq_u32(sum_lo[1], sum_hi[1]);
126   sum[2] = vaddq_u32(sum_lo[2], sum_hi[2]);
127   sum[3] = vaddq_u32(sum_lo[3], sum_hi[3]);
128 
129   vst1q_u32(res, horizontal_add_4d_uint32x4(sum));
130 }
131 
highbd_sadwxhx4d_neon(const uint8_t * src_ptr,int src_stride,const uint8_t * const ref_ptr[4],int ref_stride,uint32_t res[4],int w,int h)132 static INLINE void highbd_sadwxhx4d_neon(const uint8_t *src_ptr, int src_stride,
133                                          const uint8_t *const ref_ptr[4],
134                                          int ref_stride, uint32_t res[4], int w,
135                                          int h) {
136   const uint16_t *src16_ptr = CONVERT_TO_SHORTPTR(src_ptr);
137   const uint16_t *ref16_ptr0 = CONVERT_TO_SHORTPTR(ref_ptr[0]);
138   const uint16_t *ref16_ptr1 = CONVERT_TO_SHORTPTR(ref_ptr[1]);
139   const uint16_t *ref16_ptr2 = CONVERT_TO_SHORTPTR(ref_ptr[2]);
140   const uint16_t *ref16_ptr3 = CONVERT_TO_SHORTPTR(ref_ptr[3]);
141 
142   uint32x4_t sum_lo[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
143                            vdupq_n_u32(0) };
144   uint32x4_t sum_hi[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0),
145                            vdupq_n_u32(0) };
146   uint32x4_t sum[4];
147 
148   int i = 0;
149   do {
150     int j = 0;
151     do {
152       uint16x8_t s0, s1, s2, s3;
153 
154       s0 = vld1q_u16(src16_ptr + i * src_stride + j);
155       sad8_neon(s0, vld1q_u16(ref16_ptr0 + i * ref_stride + j), &sum_lo[0]);
156       sad8_neon(s0, vld1q_u16(ref16_ptr1 + i * ref_stride + j), &sum_lo[1]);
157       sad8_neon(s0, vld1q_u16(ref16_ptr2 + i * ref_stride + j), &sum_lo[2]);
158       sad8_neon(s0, vld1q_u16(ref16_ptr3 + i * ref_stride + j), &sum_lo[3]);
159 
160       s1 = vld1q_u16(src16_ptr + i * src_stride + j + 8);
161       sad8_neon(s1, vld1q_u16(ref16_ptr0 + i * ref_stride + j + 8), &sum_hi[0]);
162       sad8_neon(s1, vld1q_u16(ref16_ptr1 + i * ref_stride + j + 8), &sum_hi[1]);
163       sad8_neon(s1, vld1q_u16(ref16_ptr2 + i * ref_stride + j + 8), &sum_hi[2]);
164       sad8_neon(s1, vld1q_u16(ref16_ptr3 + i * ref_stride + j + 8), &sum_hi[3]);
165 
166       s2 = vld1q_u16(src16_ptr + i * src_stride + j + 16);
167       sad8_neon(s2, vld1q_u16(ref16_ptr0 + i * ref_stride + j + 16),
168                 &sum_lo[0]);
169       sad8_neon(s2, vld1q_u16(ref16_ptr1 + i * ref_stride + j + 16),
170                 &sum_lo[1]);
171       sad8_neon(s2, vld1q_u16(ref16_ptr2 + i * ref_stride + j + 16),
172                 &sum_lo[2]);
173       sad8_neon(s2, vld1q_u16(ref16_ptr3 + i * ref_stride + j + 16),
174                 &sum_lo[3]);
175 
176       s3 = vld1q_u16(src16_ptr + i * src_stride + j + 24);
177       sad8_neon(s3, vld1q_u16(ref16_ptr0 + i * ref_stride + j + 24),
178                 &sum_hi[0]);
179       sad8_neon(s3, vld1q_u16(ref16_ptr1 + i * ref_stride + j + 24),
180                 &sum_hi[1]);
181       sad8_neon(s3, vld1q_u16(ref16_ptr2 + i * ref_stride + j + 24),
182                 &sum_hi[2]);
183       sad8_neon(s3, vld1q_u16(ref16_ptr3 + i * ref_stride + j + 24),
184                 &sum_hi[3]);
185 
186       j += 32;
187     } while (j < w);
188 
189   } while (++i < h);
190 
191   sum[0] = vaddq_u32(sum_lo[0], sum_hi[0]);
192   sum[1] = vaddq_u32(sum_lo[1], sum_hi[1]);
193   sum[2] = vaddq_u32(sum_lo[2], sum_hi[2]);
194   sum[3] = vaddq_u32(sum_lo[3], sum_hi[3]);
195 
196   vst1q_u32(res, horizontal_add_4d_uint32x4(sum));
197 }
198 
highbd_sad64xhx4d_neon(const uint8_t * src_ptr,int src_stride,const uint8_t * const ref_ptr[4],int ref_stride,uint32_t res[4],int h)199 static INLINE void highbd_sad64xhx4d_neon(const uint8_t *src_ptr,
200                                           int src_stride,
201                                           const uint8_t *const ref_ptr[4],
202                                           int ref_stride, uint32_t res[4],
203                                           int h) {
204   highbd_sadwxhx4d_neon(src_ptr, src_stride, ref_ptr, ref_stride, res, 64, h);
205 }
206 
highbd_sad32xhx4d_neon(const uint8_t * src_ptr,int src_stride,const uint8_t * const ref_ptr[4],int ref_stride,uint32_t res[4],int h)207 static INLINE void highbd_sad32xhx4d_neon(const uint8_t *src_ptr,
208                                           int src_stride,
209                                           const uint8_t *const ref_ptr[4],
210                                           int ref_stride, uint32_t res[4],
211                                           int h) {
212   highbd_sadwxhx4d_neon(src_ptr, src_stride, ref_ptr, ref_stride, res, 32, h);
213 }
214 
215 #define HBD_SAD_WXH_4D_NEON(w, h)                                            \
216   void vpx_highbd_sad##w##x##h##x4d_neon(                                    \
217       const uint8_t *src, int src_stride, const uint8_t *const ref_array[4], \
218       int ref_stride, uint32_t sad_array[4]) {                               \
219     highbd_sad##w##xhx4d_neon(src, src_stride, ref_array, ref_stride,        \
220                               sad_array, (h));                               \
221   }
222 
223 HBD_SAD_WXH_4D_NEON(4, 4)
224 HBD_SAD_WXH_4D_NEON(4, 8)
225 
226 HBD_SAD_WXH_4D_NEON(8, 4)
227 HBD_SAD_WXH_4D_NEON(8, 8)
228 HBD_SAD_WXH_4D_NEON(8, 16)
229 
230 HBD_SAD_WXH_4D_NEON(16, 8)
231 HBD_SAD_WXH_4D_NEON(16, 16)
232 HBD_SAD_WXH_4D_NEON(16, 32)
233 
234 HBD_SAD_WXH_4D_NEON(32, 16)
235 HBD_SAD_WXH_4D_NEON(32, 32)
236 HBD_SAD_WXH_4D_NEON(32, 64)
237 
238 HBD_SAD_WXH_4D_NEON(64, 32)
239 HBD_SAD_WXH_4D_NEON(64, 64)
240 
241 #undef HBD_SAD_WXH_4D_NEON
242 
243 #define HBD_SAD_SKIP_WXH_4D_NEON(w, h)                                        \
244   void vpx_highbd_sad_skip_##w##x##h##x4d_neon(                               \
245       const uint8_t *src, int src_stride, const uint8_t *const ref_array[4],  \
246       int ref_stride, uint32_t sad_array[4]) {                                \
247     highbd_sad##w##xhx4d_neon(src, 2 * src_stride, ref_array, 2 * ref_stride, \
248                               sad_array, ((h) >> 1));                         \
249     sad_array[0] <<= 1;                                                       \
250     sad_array[1] <<= 1;                                                       \
251     sad_array[2] <<= 1;                                                       \
252     sad_array[3] <<= 1;                                                       \
253   }
254 
255 HBD_SAD_SKIP_WXH_4D_NEON(4, 4)
256 HBD_SAD_SKIP_WXH_4D_NEON(4, 8)
257 
258 HBD_SAD_SKIP_WXH_4D_NEON(8, 4)
259 HBD_SAD_SKIP_WXH_4D_NEON(8, 8)
260 HBD_SAD_SKIP_WXH_4D_NEON(8, 16)
261 
262 HBD_SAD_SKIP_WXH_4D_NEON(16, 8)
263 HBD_SAD_SKIP_WXH_4D_NEON(16, 16)
264 HBD_SAD_SKIP_WXH_4D_NEON(16, 32)
265 
266 HBD_SAD_SKIP_WXH_4D_NEON(32, 16)
267 HBD_SAD_SKIP_WXH_4D_NEON(32, 32)
268 HBD_SAD_SKIP_WXH_4D_NEON(32, 64)
269 
270 HBD_SAD_SKIP_WXH_4D_NEON(64, 32)
271 HBD_SAD_SKIP_WXH_4D_NEON(64, 64)
272 
273 #undef HBD_SAD_SKIP_WXH_4D_NEON
274