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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavutil / x86 / pixelutils.asm
CommitLineData
2ba45a60
DM		 1;******************************************************************************
2;* Pixel utilities SIMD
3;*
4;* Copyright (C) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5;* Copyright (C) 2014 Clément Bœsch <u pkh me>
6;*
7;* This file is part of FFmpeg.
8;*
9;* FFmpeg is free software; you can redistribute it and/or
10;* modify it under the terms of the GNU Lesser General Public
11;* License as published by the Free Software Foundation; either
12;* version 2.1 of the License, or (at your option) any later version.
13;*
14;* FFmpeg is distributed in the hope that it will be useful,
15;* but WITHOUT ANY WARRANTY; without even the implied warranty of
16;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17;* Lesser General Public License for more details.
18;*
19;* You should have received a copy of the GNU Lesser General Public
20;* License along with FFmpeg; if not, write to the Free Software
21;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22;******************************************************************************
23
24%include "x86util.asm"
25
26SECTION_TEXT
27
28;-------------------------------------------------------------------------------
29; int ff_pixelutils_sad_8x8_mmx(const uint8_t *src1, ptrdiff_t stride1,
30; const uint8_t *src2, ptrdiff_t stride2);
31;-------------------------------------------------------------------------------
32INIT_MMX mmx
33cglobal pixelutils_sad_8x8, 4,4,0, src1, stride1, src2, stride2
34 pxor m7, m7
35 pxor m6, m6
36%rep 4
37 mova m0, [src1q]
38 mova m2, [src1q + stride1q]
39 mova m1, [src2q]
40 mova m3, [src2q + stride2q]
41 psubusb m4, m0, m1
42 psubusb m5, m2, m3
43 psubusb m1, m0
44 psubusb m3, m2
45 por m1, m4
46 por m3, m5
47 punpcklbw m0, m1, m7
48 punpcklbw m2, m3, m7
49 punpckhbw m1, m7
50 punpckhbw m3, m7
51 paddw m0, m1
52 paddw m2, m3
53 paddw m0, m2
54 paddw m6, m0
55 lea src1q, [src1q + 2*stride1q]
56 lea src2q, [src2q + 2*stride2q]
57%endrep
58 psrlq m0, m6, 32
59 paddw m6, m0
60 psrlq m0, m6, 16
61 paddw m6, m0
62 movd eax, m6
63 movzx eax, ax
64 RET
65
66;-------------------------------------------------------------------------------
67; int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1,
68; const uint8_t *src2, ptrdiff_t stride2);
69;-------------------------------------------------------------------------------
70INIT_MMX mmxext
71cglobal pixelutils_sad_8x8, 4,4,0, src1, stride1, src2, stride2
72 pxor m2, m2
73%rep 4
74 mova m0, [src1q]
75 mova m1, [src1q + stride1q]
76 psadbw m0, [src2q]
77 psadbw m1, [src2q + stride2q]
78 paddw m2, m0
79 paddw m2, m1
80 lea src1q, [src1q + 2*stride1q]
81 lea src2q, [src2q + 2*stride2q]
82%endrep
83 movd eax, m2
84 RET
85
86;-------------------------------------------------------------------------------
87; int ff_pixelutils_sad_16x16_mmxext(const uint8_t *src1, ptrdiff_t stride1,
88; const uint8_t *src2, ptrdiff_t stride2);
89;-------------------------------------------------------------------------------
90INIT_MMX mmxext
91cglobal pixelutils_sad_16x16, 4,4,0, src1, stride1, src2, stride2
92 pxor m2, m2
93%rep 16
94 mova m0, [src1q]
95 mova m1, [src1q + 8]
96 psadbw m0, [src2q]
97 psadbw m1, [src2q + 8]
98 paddw m2, m0
99 paddw m2, m1
100 add src1q, stride1q
101 add src2q, stride2q
102%endrep
103 movd eax, m2
104 RET
105
106;-------------------------------------------------------------------------------
107; int ff_pixelutils_sad_16x16_sse(const uint8_t *src1, ptrdiff_t stride1,
108; const uint8_t *src2, ptrdiff_t stride2);
109;-------------------------------------------------------------------------------
110INIT_XMM sse2
111cglobal pixelutils_sad_16x16, 4,4,5, src1, stride1, src2, stride2
112 movu m4, [src1q]
113 movu m2, [src2q]
114 movu m1, [src1q + stride1q]
115 movu m3, [src2q + stride2q]
116 psadbw m4, m2
117 psadbw m1, m3
118 paddw m4, m1
119%rep 7
120 lea src1q, [src1q + 2*stride1q]
121 lea src2q, [src2q + 2*stride2q]
122 movu m0, [src1q]
123 movu m2, [src2q]
124 movu m1, [src1q + stride1q]
125 movu m3, [src2q + stride2q]
126 psadbw m0, m2
127 psadbw m1, m3
128 paddw m4, m0
129 paddw m4, m1
130%endrep
131 movhlps m0, m4
132 paddw m4, m0
133 movd eax, m4
134 RET
135
136;-------------------------------------------------------------------------------
137; int ff_pixelutils_sad_[au]_16x16_sse(const uint8_t *src1, ptrdiff_t stride1,
138; const uint8_t *src2, ptrdiff_t stride2);
139;-------------------------------------------------------------------------------
140%macro SAD_XMM_16x16 1
141INIT_XMM sse2
142cglobal pixelutils_sad_%1_16x16, 4,4,3, src1, stride1, src2, stride2
143 mov%1 m2, [src2q]
144 psadbw m2, [src1q]
145 mov%1 m1, [src2q + stride2q]
146 psadbw m1, [src1q + stride1q]
147 paddw m2, m1
148%rep 7
149 lea src1q, [src1q + 2*stride1q]
150 lea src2q, [src2q + 2*stride2q]
151 mov%1 m0, [src2q]
152 psadbw m0, [src1q]
153 mov%1 m1, [src2q + stride2q]
154 psadbw m1, [src1q + stride1q]
155 paddw m2, m0
156 paddw m2, m1
157%endrep
158 movhlps m0, m2
159 paddw m2, m0
160 movd eax, m2
161 RET
162%endmacro
163
164SAD_XMM_16x16 a
165SAD_XMM_16x16 u
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