Drop unnecessary libavutil/x86/asm.h #includes
[ffmpeg.git] / libavfilter / x86 / vf_gradfun_init.c
1 /*
2  * Copyright (C) 2009 Loren Merritt <lorenm@u.washington.edu>
3  *
4  * This file is part of Libav.
5  *
6  * Libav is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * Libav is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with Libav; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavfilter/gradfun.h"
27
28 void ff_gradfun_filter_line_mmxext(intptr_t x, uint8_t *dst, uint8_t *src,
29                                    uint16_t *dc, int thresh,
30                                    const uint16_t *dithers);
31
32 void ff_gradfun_filter_line_ssse3(intptr_t x, uint8_t *dst, uint8_t *src,
33                                   uint16_t *dc, int thresh,
34                                   const uint16_t *dithers);
35
36 void ff_gradfun_blur_line_movdqa_sse2(intptr_t x, uint16_t *buf,
37                                       uint16_t *buf1, uint16_t *dc,
38                                       uint8_t *src1, uint8_t *src2);
39 void ff_gradfun_blur_line_movdqu_sse2(intptr_t x, uint16_t *buf,
40                                       uint16_t *buf1, uint16_t *dc,
41                                       uint8_t *src1, uint8_t *src2);
42
43 #if HAVE_YASM
44 static void gradfun_filter_line(uint8_t *dst, uint8_t *src, uint16_t *dc,
45                                 int width, int thresh, const uint16_t *dithers,
46                                 int alignment)
47 {
48     intptr_t x;
49     if (width & alignment) {
50         x = width & ~alignment;
51         ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2,
52                                  width - x, thresh, dithers);
53         width = x;
54     }
55     x = -width;
56     ff_gradfun_filter_line_mmxext(x, dst + width, src + width, dc + width / 2,
57                                   thresh, dithers);
58 }
59
60 static void gradfun_filter_line_mmxext(uint8_t *dst, uint8_t *src, uint16_t *dc,
61                                        int width, int thresh,
62                                        const uint16_t *dithers)
63 {
64     gradfun_filter_line(dst, src, dc, width, thresh, dithers, 3);
65 }
66
67 static void gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,
68                                       int width, int thresh,
69                                       const uint16_t *dithers)
70 {
71     gradfun_filter_line(dst, src, dc, width, thresh, dithers, 7);
72 }
73
74 static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
75                                    uint8_t *src, int src_linesize, int width)
76 {
77     intptr_t x = -2 * width;
78     if (((intptr_t) src | src_linesize) & 15)
79         ff_gradfun_blur_line_movdqu_sse2(x, buf + width, buf1 + width,
80                                          dc + width, src + width * 2,
81                                          src + width * 2 + src_linesize);
82     else
83         ff_gradfun_blur_line_movdqa_sse2(x, buf + width, buf1 + width,
84                                          dc + width, src + width * 2,
85                                          src + width * 2 + src_linesize);
86 }
87 #endif /* HAVE_YASM */
88
89 av_cold void ff_gradfun_init_x86(GradFunContext *gf)
90 {
91 #if HAVE_YASM
92     int cpu_flags = av_get_cpu_flags();
93
94     if (EXTERNAL_MMXEXT(cpu_flags))
95         gf->filter_line = gradfun_filter_line_mmxext;
96     if (EXTERNAL_SSSE3(cpu_flags))
97         gf->filter_line = gradfun_filter_line_ssse3;
98
99     if (EXTERNAL_SSE2(cpu_flags))
100         gf->blur_line = gradfun_blur_line_sse2;
101 #endif /* HAVE_YASM */
102 }