Libav
vp9dsp_init.c
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1 /*
2  * VP9 SIMD optimizations
3  *
4  * Copyright (c) 2013 Ronald S. Bultje <rsbultje@gmail.com>
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/mem.h"
27 #include "libavutil/x86/asm.h"
28 #include "libavutil/x86/cpu.h"
29 #include "libavcodec/vp9.h"
30 
31 #if HAVE_YASM
32 
33 #define fpel_func(avg, sz, opt) \
34 void ff_ ## avg ## sz ## _ ## opt(uint8_t *dst, const uint8_t *src, \
35  ptrdiff_t dst_stride, \
36  ptrdiff_t src_stride, \
37  int h, int mx, int my)
38 
39 fpel_func(put, 4, mmx);
40 fpel_func(put, 8, mmx);
41 fpel_func(put, 16, sse);
42 fpel_func(put, 32, sse);
43 fpel_func(put, 64, sse);
44 fpel_func(avg, 4, sse);
45 fpel_func(avg, 8, sse);
46 fpel_func(avg, 16, sse2);
47 fpel_func(avg, 32, sse2);
48 fpel_func(avg, 64, sse2);
49 #undef fpel_func
50 
51 #define mc_func(avg, sz, dir, opt) \
52 void \
53 ff_ ## avg ## _8tap_1d_ ## dir ## _ ## sz ## _ ## opt(uint8_t *dst, \
54  const uint8_t *src, \
55  ptrdiff_t dst_stride, \
56  ptrdiff_t src_stride, \
57  int h, \
58  const int8_t (*filter)[16])
59 
60 #define mc_funcs(sz) \
61  mc_func(put, sz, h, ssse3); \
62  mc_func(avg, sz, h, ssse3); \
63  mc_func(put, sz, v, ssse3); \
64  mc_func(avg, sz, v, ssse3)
65 
66 mc_funcs(4);
67 mc_funcs(8);
68 
69 #undef mc_funcs
70 #undef mc_func
71 
72 #define mc_rep_func(avg, sz, hsz, dir, opt) \
73 static av_always_inline void \
74 ff_ ## avg ## _8tap_1d_ ## dir ## _ ## sz ## _ ## opt(uint8_t *dst, \
75  const uint8_t *src, \
76  ptrdiff_t dst_stride, \
77  ptrdiff_t src_stride, \
78  int h, \
79  const int8_t (*filter)[16]) \
80 { \
81  ff_ ## avg ## _8tap_1d_ ## dir ## _ ## hsz ## _ ## opt(dst, src, \
82  dst_stride, \
83  src_stride, \
84  h, \
85  filter); \
86  ff_ ## avg ## _8tap_1d_ ## dir ## _ ## hsz ## _ ## opt(dst + hsz, \
87  src + hsz, \
88  dst_stride, \
89  src_stride, \
90  h, filter); \
91 }
92 
93 #define mc_rep_funcs(sz, hsz) \
94  mc_rep_func(put, sz, hsz, h, ssse3); \
95  mc_rep_func(avg, sz, hsz, h, ssse3); \
96  mc_rep_func(put, sz, hsz, v, ssse3); \
97  mc_rep_func(avg, sz, hsz, v, ssse3)
98 
99 mc_rep_funcs(16, 8);
100 mc_rep_funcs(32, 16);
101 mc_rep_funcs(64, 32);
102 
103 #undef mc_rep_funcs
104 #undef mc_rep_func
105 
106 extern const int8_t ff_filters_ssse3[3][15][4][16];
107 
108 #define filter_8tap_2d_fn(op, sz, f, fname) \
109 static void \
110 op ## _8tap_ ## fname ## _ ## sz ## hv_ssse3(uint8_t *dst, \
111  const uint8_t *src, \
112  ptrdiff_t dst_stride, \
113  ptrdiff_t src_stride, \
114  int h, int mx, int my) \
115 { \
116  LOCAL_ALIGNED_16(uint8_t, temp, [71 * 64]); \
117  ff_put_8tap_1d_h_ ## sz ## _ssse3(temp, src - 3 * src_stride, \
118  64, src_stride, \
119  h + 7, \
120  ff_filters_ssse3[f][mx - 1]); \
121  ff_ ## op ## _8tap_1d_v_ ## sz ## _ssse3(dst, temp + 3 * 64, \
122  dst_stride, 64, \
123  h, \
124  ff_filters_ssse3[f][my - 1]); \
125 }
126 
127 #define filters_8tap_2d_fn(op, sz) \
128  filter_8tap_2d_fn(op, sz, FILTER_8TAP_REGULAR, regular) \
129  filter_8tap_2d_fn(op, sz, FILTER_8TAP_SHARP, sharp) \
130  filter_8tap_2d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth)
131 
132 #define filters_8tap_2d_fn2(op) \
133  filters_8tap_2d_fn(op, 64) \
134  filters_8tap_2d_fn(op, 32) \
135  filters_8tap_2d_fn(op, 16) \
136  filters_8tap_2d_fn(op, 8) \
137  filters_8tap_2d_fn(op, 4)
138 
139 filters_8tap_2d_fn2(put)
140 filters_8tap_2d_fn2(avg)
141 
142 #undef filters_8tap_2d_fn2
143 #undef filters_8tap_2d_fn
144 #undef filter_8tap_2d_fn
145 
146 #define filter_8tap_1d_fn(op, sz, f, fname, dir, dvar) \
147 static void \
148 op ## _8tap_ ## fname ## _ ## sz ## dir ## _ssse3(uint8_t *dst, \
149  const uint8_t *src, \
150  ptrdiff_t dst_stride, \
151  ptrdiff_t src_stride, \
152  int h, int mx, \
153  int my) \
154 { \
155  ff_ ## op ## _8tap_1d_ ## dir ## _ ## sz ## _ssse3(dst, src, \
156  dst_stride, \
157  src_stride, h, \
158  ff_filters_ssse3[f][dvar - 1]); \
159 }
160 
161 #define filters_8tap_1d_fn(op, sz, dir, dvar) \
162  filter_8tap_1d_fn(op, sz, FILTER_8TAP_REGULAR, regular, dir, dvar) \
163  filter_8tap_1d_fn(op, sz, FILTER_8TAP_SHARP, sharp, dir, dvar) \
164  filter_8tap_1d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth, dir, dvar)
165 
166 #define filters_8tap_1d_fn2(op, sz) \
167  filters_8tap_1d_fn(op, sz, h, mx) \
168  filters_8tap_1d_fn(op, sz, v, my)
169 
170 #define filters_8tap_1d_fn3(op) \
171  filters_8tap_1d_fn2(op, 64) \
172  filters_8tap_1d_fn2(op, 32) \
173  filters_8tap_1d_fn2(op, 16) \
174  filters_8tap_1d_fn2(op, 8) \
175  filters_8tap_1d_fn2(op, 4)
176 
177 filters_8tap_1d_fn3(put)
178 filters_8tap_1d_fn3(avg)
179 
180 #undef filters_8tap_1d_fn
181 #undef filters_8tap_1d_fn2
182 #undef filters_8tap_1d_fn3
183 #undef filter_8tap_1d_fn
184 
185 #endif /* HAVE_YASM */
186 
188 {
189 #if HAVE_YASM
190  int cpu_flags = av_get_cpu_flags();
191 
192 #define init_fpel(idx1, idx2, sz, type, opt) \
193  dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = \
194  dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = \
195  dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = \
196  dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_ ## type ## sz ## _ ## opt
197 
198 
199 #define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type, opt) \
200  dsp->mc[idx1][FILTER_8TAP_SMOOTH][idx2][idxh][idxv] = type ## _8tap_smooth_ ## sz ## dir ## _ ## opt; \
201  dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = type ## _8tap_regular_ ## sz ## dir ## _ ## opt; \
202  dsp->mc[idx1][FILTER_8TAP_SHARP][idx2][idxh][idxv] = type ## _8tap_sharp_ ## sz ## dir ## _ ## opt
203 
204 #define init_subpel2(idx, idxh, idxv, dir, type, opt) \
205  init_subpel1(0, idx, idxh, idxv, 64, dir, type, opt); \
206  init_subpel1(1, idx, idxh, idxv, 32, dir, type, opt); \
207  init_subpel1(2, idx, idxh, idxv, 16, dir, type, opt); \
208  init_subpel1(3, idx, idxh, idxv, 8, dir, type, opt); \
209  init_subpel1(4, idx, idxh, idxv, 4, dir, type, opt)
210 
211 #define init_subpel3(idx, type, opt) \
212  init_subpel2(idx, 1, 1, hv, type, opt); \
213  init_subpel2(idx, 0, 1, v, type, opt); \
214  init_subpel2(idx, 1, 0, h, type, opt)
215 
216  if (EXTERNAL_MMX(cpu_flags)) {
217  init_fpel(4, 0, 4, put, mmx);
218  init_fpel(3, 0, 8, put, mmx);
219  }
220 
221  if (EXTERNAL_SSE(cpu_flags)) {
222  init_fpel(2, 0, 16, put, sse);
223  init_fpel(1, 0, 32, put, sse);
224  init_fpel(0, 0, 64, put, sse);
225  init_fpel(4, 1, 4, avg, sse);
226  init_fpel(3, 1, 8, avg, sse);
227  }
228 
229  if (EXTERNAL_SSE2(cpu_flags)) {
230  init_fpel(2, 1, 16, avg, sse2);
231  init_fpel(1, 1, 32, avg, sse2);
232  init_fpel(0, 1, 64, avg, sse2);
233  }
234 
235  if (EXTERNAL_SSSE3(cpu_flags)) {
236  init_subpel3(0, put, ssse3);
237  init_subpel3(1, avg, ssse3);
238  }
239 
240 #undef init_fpel
241 #undef init_subpel1
242 #undef init_subpel2
243 #undef init_subpel3
244 
245 #endif /* HAVE_YASM */
246 }
#define EXTERNAL_SSE(flags)
Definition: cpu.h:49
static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride)
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:52
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:47
av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp)
Definition: vp9dsp_init.c:187
#define init_fpel(idx1, idx2, sz, type)
common internal API header
#define EXTERNAL_MMX(flags)
Definition: cpu.h:47
#define av_cold
Definition: attributes.h:66
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:50
#define init_subpel3(idx, type)