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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 #ifndef AOM_AOM_DSP_X86_CONVOLVE_H_
12 #define AOM_AOM_DSP_X86_CONVOLVE_H_
13 
14 #include <assert.h>
15 
16 #include "config/aom_config.h"
17 
18 #include "aom/aom_integer.h"
19 #include "aom_ports/mem.h"
20 
21 typedef void filter8_1dfunction(const uint8_t *src_ptr, ptrdiff_t src_pitch,
22                                 uint8_t *output_ptr, ptrdiff_t out_pitch,
23                                 uint32_t output_height, const int16_t *filter);
24 
25 #define FUN_CONV_1D(name, step_q4, filter, dir, src_start, avg, opt)         \
26   void aom_convolve8_##name##_##opt(                                         \
27       const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,                \
28       ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,          \
29       const int16_t *filter_y, int y_step_q4, int w, int h) {                \
30     (void)filter_x;                                                          \
31     (void)x_step_q4;                                                         \
32     (void)filter_y;                                                          \
33     (void)y_step_q4;                                                         \
34     assert((-128 <= filter[3]) && (filter[3] <= 127));                       \
35     assert(step_q4 == 16);                                                   \
36     if (((filter[0] | filter[1] | filter[6] | filter[7]) == 0) &&            \
37         (filter[2] | filter[5])) {                                           \
38       while (w >= 16) {                                                      \
39         aom_filter_block1d16_##dir##4_##avg##opt(src_start, src_stride, dst, \
40                                                  dst_stride, h, filter);     \
41         src += 16;                                                           \
42         dst += 16;                                                           \
43         w -= 16;                                                             \
44       }                                                                      \
45       while (w >= 8) {                                                       \
46         aom_filter_block1d8_##dir##4_##avg##opt(src_start, src_stride, dst,  \
47                                                 dst_stride, h, filter);      \
48         src += 8;                                                            \
49         dst += 8;                                                            \
50         w -= 8;                                                              \
51       }                                                                      \
52       while (w >= 4) {                                                       \
53         aom_filter_block1d4_##dir##4_##avg##opt(src_start, src_stride, dst,  \
54                                                 dst_stride, h, filter);      \
55         src += 4;                                                            \
56         dst += 4;                                                            \
57         w -= 4;                                                              \
58       }                                                                      \
59     } else if (filter[0] | filter[1] | filter[2]) {                          \
60       while (w >= 16) {                                                      \
61         aom_filter_block1d16_##dir##8_##avg##opt(src_start, src_stride, dst, \
62                                                  dst_stride, h, filter);     \
63         src += 16;                                                           \
64         dst += 16;                                                           \
65         w -= 16;                                                             \
66       }                                                                      \
67       while (w >= 8) {                                                       \
68         aom_filter_block1d8_##dir##8_##avg##opt(src_start, src_stride, dst,  \
69                                                 dst_stride, h, filter);      \
70         src += 8;                                                            \
71         dst += 8;                                                            \
72         w -= 8;                                                              \
73       }                                                                      \
74       while (w >= 4) {                                                       \
75         aom_filter_block1d4_##dir##8_##avg##opt(src_start, src_stride, dst,  \
76                                                 dst_stride, h, filter);      \
77         src += 4;                                                            \
78         dst += 4;                                                            \
79         w -= 4;                                                              \
80       }                                                                      \
81     } else {                                                                 \
82       while (w >= 16) {                                                      \
83         aom_filter_block1d16_##dir##2_##avg##opt(src, src_stride, dst,       \
84                                                  dst_stride, h, filter);     \
85         src += 16;                                                           \
86         dst += 16;                                                           \
87         w -= 16;                                                             \
88       }                                                                      \
89       while (w >= 8) {                                                       \
90         aom_filter_block1d8_##dir##2_##avg##opt(src, src_stride, dst,        \
91                                                 dst_stride, h, filter);      \
92         src += 8;                                                            \
93         dst += 8;                                                            \
94         w -= 8;                                                              \
95       }                                                                      \
96       while (w >= 4) {                                                       \
97         aom_filter_block1d4_##dir##2_##avg##opt(src, src_stride, dst,        \
98                                                 dst_stride, h, filter);      \
99         src += 4;                                                            \
100         dst += 4;                                                            \
101         w -= 4;                                                              \
102       }                                                                      \
103     }                                                                        \
104     if (w) {                                                                 \
105       aom_convolve8_##name##_c(src, src_stride, dst, dst_stride, filter_x,   \
106                                x_step_q4, filter_y, y_step_q4, w, h);        \
107     }                                                                        \
108   }
109 
110 #if CONFIG_AV1_HIGHBITDEPTH
111 typedef void highbd_filter8_1dfunction(const uint16_t *src_ptr,
112                                        const ptrdiff_t src_pitch,
113                                        uint16_t *output_ptr,
114                                        ptrdiff_t out_pitch,
115                                        unsigned int output_height,
116                                        const int16_t *filter, int bd);
117 
118 #define HIGH_FUN_CONV_1D(name, step_q4, filter, dir, src_start, avg, opt)  \
119   void aom_highbd_convolve8_##name##_##opt(                                \
120       const uint8_t *src8, ptrdiff_t src_stride, uint8_t *dst8,            \
121       ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4,        \
122       const int16_t *filter_y, int y_step_q4, int w, int h, int bd) {      \
123     uint16_t *src = CONVERT_TO_SHORTPTR(src8);                             \
124     uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);                             \
125     if (step_q4 == 16 && filter[3] != 128) {                               \
126       if (((filter[0] | filter[1] | filter[6] | filter[7]) == 0) &&        \
127           (filter[2] | filter[5])) {                                       \
128         while (w >= 16) {                                                  \
129           aom_highbd_filter_block1d16_##dir##4_##avg##opt(                 \
130               src_start, src_stride, dst, dst_stride, h, filter, bd);      \
131           src += 16;                                                       \
132           dst += 16;                                                       \
133           w -= 16;                                                         \
134         }                                                                  \
135         while (w >= 8) {                                                   \
136           aom_highbd_filter_block1d8_##dir##4_##avg##opt(                  \
137               src_start, src_stride, dst, dst_stride, h, filter, bd);      \
138           src += 8;                                                        \
139           dst += 8;                                                        \
140           w -= 8;                                                          \
141         }                                                                  \
142         while (w >= 4) {                                                   \
143           aom_highbd_filter_block1d4_##dir##4_##avg##opt(                  \
144               src_start, src_stride, dst, dst_stride, h, filter, bd);      \
145           src += 4;                                                        \
146           dst += 4;                                                        \
147           w -= 4;                                                          \
148         }                                                                  \
149       } else if (filter[0] | filter[1] | filter[2]) {                      \
150         while (w >= 16) {                                                  \
151           aom_highbd_filter_block1d16_##dir##8_##avg##opt(                 \
152               src_start, src_stride, dst, dst_stride, h, filter, bd);      \
153           src += 16;                                                       \
154           dst += 16;                                                       \
155           w -= 16;                                                         \
156         }                                                                  \
157         while (w >= 8) {                                                   \
158           aom_highbd_filter_block1d8_##dir##8_##avg##opt(                  \
159               src_start, src_stride, dst, dst_stride, h, filter, bd);      \
160           src += 8;                                                        \
161           dst += 8;                                                        \
162           w -= 8;                                                          \
163         }                                                                  \
164         while (w >= 4) {                                                   \
165           aom_highbd_filter_block1d4_##dir##8_##avg##opt(                  \
166               src_start, src_stride, dst, dst_stride, h, filter, bd);      \
167           src += 4;                                                        \
168           dst += 4;                                                        \
169           w -= 4;                                                          \
170         }                                                                  \
171       } else {                                                             \
172         while (w >= 16) {                                                  \
173           aom_highbd_filter_block1d16_##dir##2_##avg##opt(                 \
174               src, src_stride, dst, dst_stride, h, filter, bd);            \
175           src += 16;                                                       \
176           dst += 16;                                                       \
177           w -= 16;                                                         \
178         }                                                                  \
179         while (w >= 8) {                                                   \
180           aom_highbd_filter_block1d8_##dir##2_##avg##opt(                  \
181               src, src_stride, dst, dst_stride, h, filter, bd);            \
182           src += 8;                                                        \
183           dst += 8;                                                        \
184           w -= 8;                                                          \
185         }                                                                  \
186         while (w >= 4) {                                                   \
187           aom_highbd_filter_block1d4_##dir##2_##avg##opt(                  \
188               src, src_stride, dst, dst_stride, h, filter, bd);            \
189           src += 4;                                                        \
190           dst += 4;                                                        \
191           w -= 4;                                                          \
192         }                                                                  \
193       }                                                                    \
194     }                                                                      \
195     if (w) {                                                               \
196       aom_highbd_convolve8_##name##_c(                                     \
197           CONVERT_TO_BYTEPTR(src), src_stride, CONVERT_TO_BYTEPTR(dst),    \
198           dst_stride, filter_x, x_step_q4, filter_y, y_step_q4, w, h, bd); \
199     }                                                                      \
200   }
201 #endif  // CONFIG_AV1_HIGHBITDEPTH
202 
203 #endif  // AOM_AOM_DSP_X86_CONVOLVE_H_
204