2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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.
12 #include "./vpx_config.h"
13 #include "vpx_ports/arm.h"
15 #ifdef VPX_INCOMPATIBLE_GCC
16 static INLINE void write_2x4(unsigned char *dst, int pitch,
17 const uint8x8x2_t result) {
20 00 01 02 03 | 04 05 06 07
21 10 11 12 13 | 14 15 16 17
24 00 10 02 12 | 04 14 06 16
25 01 11 03 13 | 05 15 07 17
27 const uint8x8x2_t r01_u8 = vtrn_u8(result.val[0],
29 const uint16x4_t x_0_4 = vreinterpret_u16_u8(r01_u8.val[0]);
30 const uint16x4_t x_1_5 = vreinterpret_u16_u8(r01_u8.val[1]);
31 vst1_lane_u16((uint16_t *)dst, x_0_4, 0);
33 vst1_lane_u16((uint16_t *)dst, x_1_5, 0);
35 vst1_lane_u16((uint16_t *)dst, x_0_4, 1);
37 vst1_lane_u16((uint16_t *)dst, x_1_5, 1);
39 vst1_lane_u16((uint16_t *)dst, x_0_4, 2);
41 vst1_lane_u16((uint16_t *)dst, x_1_5, 2);
43 vst1_lane_u16((uint16_t *)dst, x_0_4, 3);
45 vst1_lane_u16((uint16_t *)dst, x_1_5, 3);
48 static INLINE void write_2x8(unsigned char *dst, int pitch,
49 const uint8x8x2_t result,
50 const uint8x8x2_t result2) {
51 write_2x4(dst, pitch, result);
53 write_2x4(dst, pitch, result2);
56 static INLINE void write_2x8(unsigned char *dst, int pitch,
57 const uint8x8x2_t result,
58 const uint8x8x2_t result2) {
59 vst2_lane_u8(dst, result, 0);
61 vst2_lane_u8(dst, result, 1);
63 vst2_lane_u8(dst, result, 2);
65 vst2_lane_u8(dst, result, 3);
67 vst2_lane_u8(dst, result, 4);
69 vst2_lane_u8(dst, result, 5);
71 vst2_lane_u8(dst, result, 6);
73 vst2_lane_u8(dst, result, 7);
76 vst2_lane_u8(dst, result2, 0);
78 vst2_lane_u8(dst, result2, 1);
80 vst2_lane_u8(dst, result2, 2);
82 vst2_lane_u8(dst, result2, 3);
84 vst2_lane_u8(dst, result2, 4);
86 vst2_lane_u8(dst, result2, 5);
88 vst2_lane_u8(dst, result2, 6);
90 vst2_lane_u8(dst, result2, 7);
92 #endif // VPX_INCOMPATIBLE_GCC
95 #ifdef VPX_INCOMPATIBLE_GCC
97 uint8x8x4_t read_4x8(unsigned char *src, int pitch, uint8x8x4_t x) {
98 const uint8x8_t a = vld1_u8(src);
99 const uint8x8_t b = vld1_u8(src + pitch * 1);
100 const uint8x8_t c = vld1_u8(src + pitch * 2);
101 const uint8x8_t d = vld1_u8(src + pitch * 3);
102 const uint8x8_t e = vld1_u8(src + pitch * 4);
103 const uint8x8_t f = vld1_u8(src + pitch * 5);
104 const uint8x8_t g = vld1_u8(src + pitch * 6);
105 const uint8x8_t h = vld1_u8(src + pitch * 7);
106 const uint32x2x2_t r04_u32 = vtrn_u32(vreinterpret_u32_u8(a),
107 vreinterpret_u32_u8(e));
108 const uint32x2x2_t r15_u32 = vtrn_u32(vreinterpret_u32_u8(b),
109 vreinterpret_u32_u8(f));
110 const uint32x2x2_t r26_u32 = vtrn_u32(vreinterpret_u32_u8(c),
111 vreinterpret_u32_u8(g));
112 const uint32x2x2_t r37_u32 = vtrn_u32(vreinterpret_u32_u8(d),
113 vreinterpret_u32_u8(h));
114 const uint16x4x2_t r02_u16 = vtrn_u16(vreinterpret_u16_u32(r04_u32.val[0]),
115 vreinterpret_u16_u32(r26_u32.val[0]));
116 const uint16x4x2_t r13_u16 = vtrn_u16(vreinterpret_u16_u32(r15_u32.val[0]),
117 vreinterpret_u16_u32(r37_u32.val[0]));
118 const uint8x8x2_t r01_u8 = vtrn_u8(vreinterpret_u8_u16(r02_u16.val[0]),
119 vreinterpret_u8_u16(r13_u16.val[0]));
120 const uint8x8x2_t r23_u8 = vtrn_u8(vreinterpret_u8_u16(r02_u16.val[1]),
121 vreinterpret_u8_u16(r13_u16.val[1]));
124 00 01 02 03 | 40 41 42 43
125 10 11 12 13 | 50 51 52 53
126 20 21 22 23 | 60 61 62 63
127 30 31 32 33 | 70 71 72 73
130 00 01 20 21 | 40 41 60 61
131 02 03 22 23 | 42 43 62 63
132 10 11 30 31 | 50 51 70 71
133 12 13 32 33 | 52 52 72 73
135 00 01 20 21 | 40 41 60 61
136 10 11 30 31 | 50 51 70 71
137 02 03 22 23 | 42 43 62 63
138 12 13 32 33 | 52 52 72 73
141 00 10 20 30 | 40 50 60 70
142 01 11 21 31 | 41 51 61 71
143 02 12 22 32 | 42 52 62 72
144 03 13 23 33 | 43 53 63 73
146 x.val[0] = r01_u8.val[0];
147 x.val[1] = r01_u8.val[1];
148 x.val[2] = r23_u8.val[0];
149 x.val[3] = r23_u8.val[1];
155 uint8x8x4_t read_4x8(unsigned char *src, int pitch, uint8x8x4_t x) {
156 x = vld4_lane_u8(src, x, 0);
158 x = vld4_lane_u8(src, x, 1);
160 x = vld4_lane_u8(src, x, 2);
162 x = vld4_lane_u8(src, x, 3);
164 x = vld4_lane_u8(src, x, 4);
166 x = vld4_lane_u8(src, x, 5);
168 x = vld4_lane_u8(src, x, 6);
170 x = vld4_lane_u8(src, x, 7);
173 #endif // VPX_INCOMPATIBLE_GCC
175 static INLINE void vp8_loop_filter_simple_vertical_edge_neon(
178 const unsigned char *blimit) {
180 uint8x16_t qblimit, q0u8;
181 uint8x16_t q3u8, q4u8, q5u8, q6u8, q7u8, q11u8, q12u8, q14u8, q15u8;
182 int16x8_t q2s16, q13s16, q11s16;
183 int8x8_t d28s8, d29s8;
184 int8x16_t q2s8, q3s8, q10s8, q11s8, q14s8;
185 uint8x8x4_t d0u8x4; // d6, d7, d8, d9
186 uint8x8x4_t d1u8x4; // d10, d11, d12, d13
187 uint8x8x2_t d2u8x2; // d12, d13
188 uint8x8x2_t d3u8x2; // d14, d15
190 qblimit = vdupq_n_u8(*blimit);
193 d0u8x4 = read_4x8(src1, p, d0u8x4);
195 d1u8x4 = read_4x8(src1, p, d1u8x4);
197 q3u8 = vcombine_u8(d0u8x4.val[0], d1u8x4.val[0]); // d6 d10
198 q4u8 = vcombine_u8(d0u8x4.val[2], d1u8x4.val[2]); // d8 d12
199 q5u8 = vcombine_u8(d0u8x4.val[1], d1u8x4.val[1]); // d7 d11
200 q6u8 = vcombine_u8(d0u8x4.val[3], d1u8x4.val[3]); // d9 d13
202 q15u8 = vabdq_u8(q5u8, q4u8);
203 q14u8 = vabdq_u8(q3u8, q6u8);
205 q15u8 = vqaddq_u8(q15u8, q15u8);
206 q14u8 = vshrq_n_u8(q14u8, 1);
207 q0u8 = vdupq_n_u8(0x80);
208 q11s16 = vdupq_n_s16(3);
209 q15u8 = vqaddq_u8(q15u8, q14u8);
211 q3u8 = veorq_u8(q3u8, q0u8);
212 q4u8 = veorq_u8(q4u8, q0u8);
213 q5u8 = veorq_u8(q5u8, q0u8);
214 q6u8 = veorq_u8(q6u8, q0u8);
216 q15u8 = vcgeq_u8(qblimit, q15u8);
218 q2s16 = vsubl_s8(vget_low_s8(vreinterpretq_s8_u8(q4u8)),
219 vget_low_s8(vreinterpretq_s8_u8(q5u8)));
220 q13s16 = vsubl_s8(vget_high_s8(vreinterpretq_s8_u8(q4u8)),
221 vget_high_s8(vreinterpretq_s8_u8(q5u8)));
223 q14s8 = vqsubq_s8(vreinterpretq_s8_u8(q3u8),
224 vreinterpretq_s8_u8(q6u8));
226 q2s16 = vmulq_s16(q2s16, q11s16);
227 q13s16 = vmulq_s16(q13s16, q11s16);
229 q11u8 = vdupq_n_u8(3);
230 q12u8 = vdupq_n_u8(4);
232 q2s16 = vaddw_s8(q2s16, vget_low_s8(q14s8));
233 q13s16 = vaddw_s8(q13s16, vget_high_s8(q14s8));
235 d28s8 = vqmovn_s16(q2s16);
236 d29s8 = vqmovn_s16(q13s16);
237 q14s8 = vcombine_s8(d28s8, d29s8);
239 q14s8 = vandq_s8(q14s8, vreinterpretq_s8_u8(q15u8));
241 q2s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q11u8));
242 q3s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q12u8));
243 q2s8 = vshrq_n_s8(q2s8, 3);
244 q14s8 = vshrq_n_s8(q3s8, 3);
246 q11s8 = vqaddq_s8(vreinterpretq_s8_u8(q5u8), q2s8);
247 q10s8 = vqsubq_s8(vreinterpretq_s8_u8(q4u8), q14s8);
249 q6u8 = veorq_u8(vreinterpretq_u8_s8(q11s8), q0u8);
250 q7u8 = veorq_u8(vreinterpretq_u8_s8(q10s8), q0u8);
252 d2u8x2.val[0] = vget_low_u8(q6u8); // d12
253 d2u8x2.val[1] = vget_low_u8(q7u8); // d14
254 d3u8x2.val[0] = vget_high_u8(q6u8); // d13
255 d3u8x2.val[1] = vget_high_u8(q7u8); // d15
258 write_2x8(src1, p, d2u8x2, d3u8x2);
261 void vp8_loop_filter_bvs_neon(
262 unsigned char *y_ptr,
264 const unsigned char *blimit) {
266 vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
268 vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
270 vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);
274 void vp8_loop_filter_mbvs_neon(
275 unsigned char *y_ptr,
277 const unsigned char *blimit) {
278 vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit);