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1 : | suxen_drol | 1.1 | ;/***************************************************************************** |
2 : | ; * | ||
3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
4 : | ; * - sse2 post processing - | ||
5 : | ; * | ||
6 : | ; * Copyright(C) 2004 Peter Ross <pross@xvid.org> | ||
7 : | ; * 2004 Dcoder <dcoder@alexandria.cc> | ||
8 : | ; * | ||
9 : | ; * XviD is free software; you can redistribute it and/or modify it | ||
10 : | ; * under the terms of the GNU General Public License as published by | ||
11 : | ; * the Free Software Foundation; either version 2 of the License, or | ||
12 : | ; * (at your option) any later version. | ||
13 : | ; * | ||
14 : | ; * This program 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 | ||
17 : | ; * GNU General Public License for more details. | ||
18 : | ; * | ||
19 : | ; * You should have received a copy of the GNU General Public License | ||
20 : | ; * along with this program; if not, write to the Free Software | ||
21 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 : | ; * | ||
23 : | ; *************************************************************************/ | ||
24 : | |||
25 : | Isibaar | 1.8 | %include "nasm.inc" |
26 : | suxen_drol | 1.1 | |
27 : | ;=========================================================================== | ||
28 : | ; read only data | ||
29 : | ;=========================================================================== | ||
30 : | |||
31 : | Isibaar | 1.8 | DATA |
32 : | suxen_drol | 1.1 | |
33 : | xmm_0x80: | ||
34 : | times 16 db 0x80 | ||
35 : | |||
36 : | ;============================================================================= | ||
37 : | ; Code | ||
38 : | ;============================================================================= | ||
39 : | |||
40 : | Isibaar | 1.8 | SECTION .rotext align=SECTION_ALIGN |
41 : | suxen_drol | 1.1 | |
42 : | cglobal image_brightness_sse2 | ||
43 : | |||
44 : | ;////////////////////////////////////////////////////////////////////// | ||
45 : | ;// image_brightness_sse2 | ||
46 : | ;////////////////////////////////////////////////////////////////////// | ||
47 : | |||
48 : | edgomez | 1.4 | %macro CREATE_OFFSET_VECTOR 2 |
49 : | mov [%1 + 0], %2 | ||
50 : | mov [%1 + 1], %2 | ||
51 : | mov [%1 + 2], %2 | ||
52 : | mov [%1 + 3], %2 | ||
53 : | mov [%1 + 4], %2 | ||
54 : | mov [%1 + 5], %2 | ||
55 : | mov [%1 + 6], %2 | ||
56 : | mov [%1 + 7], %2 | ||
57 : | mov [%1 + 8], %2 | ||
58 : | mov [%1 + 9], %2 | ||
59 : | mov [%1 + 10], %2 | ||
60 : | mov [%1 + 11], %2 | ||
61 : | mov [%1 + 12], %2 | ||
62 : | mov [%1 + 13], %2 | ||
63 : | mov [%1 + 14], %2 | ||
64 : | mov [%1 + 15], %2 | ||
65 : | %endmacro | ||
66 : | |||
67 : | Isibaar | 1.8 | ALIGN SECTION_ALIGN |
68 : | suxen_drol | 1.1 | image_brightness_sse2: |
69 : | |||
70 : | Isibaar | 1.9 | %ifdef ARCH_IS_X86_64 |
71 : | movsx _EAX, prm5d | ||
72 : | %else | ||
73 : | mov eax, prm5 ; brightness offset value | ||
74 : | %endif | ||
75 : | Isibaar | 1.8 | mov TMP1, prm1 ; Dst |
76 : | mov TMP0, prm2 ; stride | ||
77 : | |||
78 : | push _ESI | ||
79 : | push _EDI ; 8 bytes offset for push | ||
80 : | sub _ESP, 32 ; 32 bytes for local data (16bytes will be used, 16bytes more to align correctly mod 16) | ||
81 : | edgomez | 1.4 | |
82 : | movdqa xmm6, [xmm_0x80] | ||
83 : | |||
84 : | ; Create a offset...offset vector | ||
85 : | Isibaar | 1.8 | mov TMP1, _ESP ; TMP1 will be esp aligned mod 16 |
86 : | add TMP1, 15 ; TMP1 = esp + 15 | ||
87 : | and TMP1, ~15 ; TMP1 = (esp + 15)&(~15) | ||
88 : | CREATE_OFFSET_VECTOR TMP1, al | ||
89 : | movdqa xmm7, [TMP1] | ||
90 : | |||
91 : | %ifdef ARCH_IS_X86_64 | ||
92 : | mov _ESI, prm3 | ||
93 : | mov _EDI, prm4 | ||
94 : | %else | ||
95 : | mov _ESI, [_ESP+8+32+12] ; width | ||
96 : | mov _EDI, [_ESP+8+32+16] ; height | ||
97 : | %endif | ||
98 : | suxen_drol | 1.1 | |
99 : | Isibaar | 1.7 | .yloop: |
100 : | Isibaar | 1.8 | xor _EAX, _EAX |
101 : | suxen_drol | 1.1 | |
102 : | Isibaar | 1.7 | .xloop: |
103 : | Isibaar | 1.8 | movdqa xmm0, [TMP1 + _EAX] |
104 : | movdqa xmm1, [TMP1 + _EAX + 16] ; xmm0 = [dst] | ||
105 : | suxen_drol | 1.1 | |
106 : | edgomez | 1.4 | paddb xmm0, xmm6 ; unsigned -> signed domain |
107 : | paddb xmm1, xmm6 | ||
108 : | paddsb xmm0, xmm7 | ||
109 : | paddsb xmm1, xmm7 ; xmm0 += offset | ||
110 : | psubb xmm0, xmm6 | ||
111 : | psubb xmm1, xmm6 ; signed -> unsigned domain | ||
112 : | |||
113 : | Isibaar | 1.8 | movdqa [TMP1 + _EAX], xmm0 |
114 : | movdqa [TMP1 + _EAX + 16], xmm1 ; [dst] = xmm0 | ||
115 : | edgomez | 1.4 | |
116 : | Isibaar | 1.8 | add _EAX,32 |
117 : | cmp _EAX,_ESI | ||
118 : | edgomez | 1.4 | jl .xloop |
119 : | |||
120 : | Isibaar | 1.8 | add TMP1, TMP0 ; dst += stride |
121 : | sub _EDI, 1 | ||
122 : | edgomez | 1.4 | jg .yloop |
123 : | |||
124 : | Isibaar | 1.8 | add _ESP, 32 |
125 : | pop _EDI | ||
126 : | pop _ESI | ||
127 : | suxen_drol | 1.1 | |
128 : | edgomez | 1.4 | ret |
129 : | Isibaar | 1.7 | ENDFUNC |
130 : | suxen_drol | 1.1 | ;////////////////////////////////////////////////////////////////////// |
131 : | Isibaar | 1.6 | |
132 : | %ifidn __OUTPUT_FORMAT__,elf | ||
133 : | section ".note.GNU-stack" noalloc noexec nowrite progbits | ||
134 : | %endif | ||
135 : |
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