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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 FFmpeg.
7  *
8  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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/cpu.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/asm.h"
26 #include "libavcodec/vp9dsp.h"
27 
28 #if HAVE_YASM
29 
30 #define fpel_func(avg, sz, opt) \
31 void ff_##avg##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
32  const uint8_t *src, ptrdiff_t src_stride, \
33  int h, int mx, int my)
34 fpel_func(put, 4, mmx);
35 fpel_func(put, 8, mmx);
36 fpel_func(put, 16, sse);
37 fpel_func(put, 32, sse);
38 fpel_func(put, 64, sse);
39 fpel_func(avg, 4, sse);
40 fpel_func(avg, 8, sse);
41 fpel_func(avg, 16, sse2);
42 fpel_func(avg, 32, sse2);
43 fpel_func(avg, 64, sse2);
44 #undef fpel_func
45 
46 #define mc_func(avg, sz, dir, opt) \
47 void ff_##avg##_8tap_1d_##dir##_##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
48  const uint8_t *src, ptrdiff_t src_stride, \
49  int h, const int8_t (*filter)[16])
50 #define mc_funcs(sz) \
51 mc_func(put, sz, h, ssse3); \
52 mc_func(avg, sz, h, ssse3); \
53 mc_func(put, sz, v, ssse3); \
54 mc_func(avg, sz, v, ssse3)
55 
56 mc_funcs(4);
57 mc_funcs(8);
58 
59 #undef mc_funcs
60 #undef mc_func
61 
62 #define mc_rep_func(avg, sz, hsz, dir, opt) \
63 static av_always_inline void \
64 ff_##avg##_8tap_1d_##dir##_##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
65  const uint8_t *src, ptrdiff_t src_stride, \
66  int h, const int8_t (*filter)[16]) \
67 { \
68  ff_##avg##_8tap_1d_##dir##_##hsz##_##opt(dst, dst_stride, src, \
69  src_stride, h, filter); \
70  ff_##avg##_8tap_1d_##dir##_##hsz##_##opt(dst + hsz, dst_stride, src + hsz, \
71  src_stride, h, filter); \
72 }
73 
74 #define mc_rep_funcs(sz, hsz) \
75 mc_rep_func(put, sz, hsz, h, ssse3); \
76 mc_rep_func(avg, sz, hsz, h, ssse3); \
77 mc_rep_func(put, sz, hsz, v, ssse3); \
78 mc_rep_func(avg, sz, hsz, v, ssse3)
79 
80 mc_rep_funcs(16, 8);
81 mc_rep_funcs(32, 16);
82 mc_rep_funcs(64, 32);
83 
84 #undef mc_rep_funcs
85 #undef mc_rep_func
86 
87 extern const int8_t ff_filters_ssse3[3][15][4][16];
88 
89 #define filter_8tap_2d_fn(op, sz, f, fname) \
90 static void op##_8tap_##fname##_##sz##hv_ssse3(uint8_t *dst, ptrdiff_t dst_stride, \
91  const uint8_t *src, ptrdiff_t src_stride, \
92  int h, int mx, int my) \
93 { \
94  LOCAL_ALIGNED_16(uint8_t, temp, [71 * 64]); \
95  ff_put_8tap_1d_h_##sz##_ssse3(temp, 64, src - 3 * src_stride, src_stride, \
96  h + 7, ff_filters_ssse3[f][mx - 1]); \
97  ff_##op##_8tap_1d_v_##sz##_ssse3(dst, dst_stride, temp + 3 * 64, 64, \
98  h, ff_filters_ssse3[f][my - 1]); \
99 }
100 
101 #define filters_8tap_2d_fn(op, sz) \
102 filter_8tap_2d_fn(op, sz, FILTER_8TAP_REGULAR, regular) \
103 filter_8tap_2d_fn(op, sz, FILTER_8TAP_SHARP, sharp) \
104 filter_8tap_2d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth)
105 
106 #define filters_8tap_2d_fn2(op) \
107 filters_8tap_2d_fn(op, 64) \
108 filters_8tap_2d_fn(op, 32) \
109 filters_8tap_2d_fn(op, 16) \
110 filters_8tap_2d_fn(op, 8) \
111 filters_8tap_2d_fn(op, 4)
112 
113 filters_8tap_2d_fn2(put)
114 filters_8tap_2d_fn2(avg)
115 
116 #undef filters_8tap_2d_fn2
117 #undef filters_8tap_2d_fn
118 #undef filter_8tap_2d_fn
119 
120 #define filter_8tap_1d_fn(op, sz, f, fname, dir, dvar) \
121 static void op##_8tap_##fname##_##sz##dir##_ssse3(uint8_t *dst, ptrdiff_t dst_stride, \
122  const uint8_t *src, ptrdiff_t src_stride, \
123  int h, int mx, int my) \
124 { \
125  ff_##op##_8tap_1d_##dir##_##sz##_ssse3(dst, dst_stride, src, src_stride, \
126  h, ff_filters_ssse3[f][dvar - 1]); \
127 }
128 
129 #define filters_8tap_1d_fn(op, sz, dir, dvar) \
130 filter_8tap_1d_fn(op, sz, FILTER_8TAP_REGULAR, regular, dir, dvar) \
131 filter_8tap_1d_fn(op, sz, FILTER_8TAP_SHARP, sharp, dir, dvar) \
132 filter_8tap_1d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth, dir, dvar)
133 
134 #define filters_8tap_1d_fn2(op, sz) \
135 filters_8tap_1d_fn(op, sz, h, mx) \
136 filters_8tap_1d_fn(op, sz, v, my)
137 
138 #define filters_8tap_1d_fn3(op) \
139 filters_8tap_1d_fn2(op, 64) \
140 filters_8tap_1d_fn2(op, 32) \
141 filters_8tap_1d_fn2(op, 16) \
142 filters_8tap_1d_fn2(op, 8) \
143 filters_8tap_1d_fn2(op, 4)
144 
145 filters_8tap_1d_fn3(put)
146 filters_8tap_1d_fn3(avg)
147 
148 #undef filters_8tap_1d_fn
149 #undef filters_8tap_1d_fn2
150 #undef filters_8tap_1d_fn3
151 #undef filter_8tap_1d_fn
152 
153 #endif /* HAVE_YASM */
154 
155 av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp)
156 {
157 #if HAVE_YASM
158  int cpu_flags = av_get_cpu_flags();
159 
160 #define init_fpel(idx1, idx2, sz, type, opt) \
161  dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = \
162  dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = \
163  dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = \
164  dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_##type##sz##_##opt
165 
166 
167 #define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type, opt) \
168  dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] = type##_8tap_smooth_##sz##dir##_##opt; \
169  dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = type##_8tap_regular_##sz##dir##_##opt; \
170  dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][idxh][idxv] = type##_8tap_sharp_##sz##dir##_##opt
171 
172 #define init_subpel2(idx, idxh, idxv, dir, type, opt) \
173  init_subpel1(0, idx, idxh, idxv, 64, dir, type, opt); \
174  init_subpel1(1, idx, idxh, idxv, 32, dir, type, opt); \
175  init_subpel1(2, idx, idxh, idxv, 16, dir, type, opt); \
176  init_subpel1(3, idx, idxh, idxv, 8, dir, type, opt); \
177  init_subpel1(4, idx, idxh, idxv, 4, dir, type, opt)
178 
179 #define init_subpel3(idx, type, opt) \
180  init_subpel2(idx, 1, 1, hv, type, opt); \
181  init_subpel2(idx, 0, 1, v, type, opt); \
182  init_subpel2(idx, 1, 0, h, type, opt)
183 
184  if (cpu_flags & AV_CPU_FLAG_MMX) {
185  init_fpel(4, 0, 4, put, mmx);
186  init_fpel(3, 0, 8, put, mmx);
187  }
188 
189  if (cpu_flags & AV_CPU_FLAG_SSE) {
190  init_fpel(2, 0, 16, put, sse);
191  init_fpel(1, 0, 32, put, sse);
192  init_fpel(0, 0, 64, put, sse);
193  init_fpel(4, 1, 4, avg, sse);
194  init_fpel(3, 1, 8, avg, sse);
195  }
196 
197  if (cpu_flags & AV_CPU_FLAG_SSE2) {
198  init_fpel(2, 1, 16, avg, sse2);
199  init_fpel(1, 1, 32, avg, sse2);
200  init_fpel(0, 1, 64, avg, sse2);
201  }
202 
203  if (cpu_flags & AV_CPU_FLAG_SSSE3) {
204  init_subpel3(0, put, ssse3);
205  init_subpel3(1, avg, ssse3);
206  }
207 
208 #undef init_fpel
209 #undef init_subpel1
210 #undef init_subpel2
211 #undef init_subpel3
212 
213 #endif /* HAVE_YASM */
214 }
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