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1 : | edgomez | 1.4 | ;/**************************************************************************** |
2 : | Isibaar | 1.1 | ; * |
3 : | edgomez | 1.4 | ; * XVID MPEG-4 VIDEO CODEC |
4 : | ; * - SSE2 CBP computation - | ||
5 : | Isibaar | 1.1 | ; * |
6 : | edgomez | 1.4 | ; * Copyright (C) 2002 Daniel Smith <danielsmith@astroboymail.com> |
7 : | ; * 2002 Pascal Massimino <skal@planet-d.net> | ||
8 : | edgomez | 1.3 | ; * |
9 : | edgomez | 1.4 | ; * This program is free software ; you can redistribute it and/or modify |
10 : | ; * it 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 : | edgomez | 1.3 | ; * |
14 : | edgomez | 1.4 | ; * 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 : | edgomez | 1.3 | ; * |
19 : | edgomez | 1.4 | ; * 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 : | Isibaar | 1.1 | ; * |
23 : | edgomez | 1.4 | ; * $Id$ |
24 : | Isibaar | 1.1 | ; * |
25 : | edgomez | 1.4 | ; ***************************************************************************/ |
26 : | edgomez | 1.3 | |
27 : | edgomez | 1.4 | BITS 32 |
28 : | Isibaar | 1.1 | |
29 : | edgomez | 1.4 | ;============================================================================= |
30 : | ; Macros | ||
31 : | ;============================================================================= | ||
32 : | Isibaar | 1.1 | |
33 : | %macro cglobal 1 | ||
34 : | %ifdef PREFIX | ||
35 : | global _%1 | ||
36 : | %define %1 _%1 | ||
37 : | %else | ||
38 : | global %1 | ||
39 : | %endif | ||
40 : | %endmacro | ||
41 : | |||
42 : | %macro LOOP_SSE2 1 | ||
43 : | edgomez | 1.4 | movdqa xmm0, [edx+(%1)*128] |
44 : | pand xmm0, xmm7 | ||
45 : | movdqa xmm1, [edx+(%1)*128+16] | ||
46 : | |||
47 : | por xmm0, [edx+(%1)*128+32] | ||
48 : | por xmm1, [edx+(%1)*128+48] | ||
49 : | por xmm0, [edx+(%1)*128+64] | ||
50 : | por xmm1, [edx+(%1)*128+80] | ||
51 : | por xmm0, [edx+(%1)*128+96] | ||
52 : | por xmm1, [edx+(%1)*128+112] | ||
53 : | |||
54 : | por xmm0, xmm1 ; xmm0 = xmm1 = 128 bits worth of info | ||
55 : | psadbw xmm0, xmm6 ; contains 2 dwords with sums | ||
56 : | movhlps xmm1, xmm0 ; move high dword from xmm0 to low xmm1 | ||
57 : | por xmm0, xmm1 ; combine | ||
58 : | movd ecx, xmm0 ; if ecx set, values were found | ||
59 : | test ecx, ecx | ||
60 : | Isibaar | 1.1 | %endmacro |
61 : | |||
62 : | edgomez | 1.4 | ;============================================================================= |
63 : | ; Data (Read Only) | ||
64 : | ;============================================================================= | ||
65 : | |||
66 : | %ifdef FORMAT_COFF | ||
67 : | SECTION .rodata data | ||
68 : | %else | ||
69 : | SECTION .rodata data align=16 | ||
70 : | %endif | ||
71 : | |||
72 : | ALIGN 16 | ||
73 : | ignore_dc: | ||
74 : | dw 0, -1, -1, -1, -1, -1, -1, -1 | ||
75 : | |||
76 : | ;============================================================================= | ||
77 : | ; Code | ||
78 : | ;============================================================================= | ||
79 : | |||
80 : | SECTION .text | ||
81 : | |||
82 : | ;----------------------------------------------------------------------------- | ||
83 : | ; uint32_t calc_cbp_sse2(const int16_t coeff[6*64]); | ||
84 : | ;----------------------------------------------------------------------------- | ||
85 : | Isibaar | 1.1 | |
86 : | edgomez | 1.4 | ALIGN 16 |
87 : | cglobal calc_cbp_sse2 | ||
88 : | Isibaar | 1.1 | calc_cbp_sse2: |
89 : | edgomez | 1.4 | mov edx, [esp+4] ; coeff[] |
90 : | xor eax, eax ; cbp = 0 | ||
91 : | Isibaar | 1.1 | |
92 : | edgomez | 1.4 | movdqu xmm7, [ignore_dc] ; mask to ignore dc value |
93 : | pxor xmm6, xmm6 ; zero | ||
94 : | Isibaar | 1.1 | |
95 : | LOOP_SSE2 0 | ||
96 : | edgomez | 1.4 | test ecx, ecx |
97 : | jz .blk2 | ||
98 : | or eax, (1<<5) | ||
99 : | |||
100 : | Isibaar | 1.1 | .blk2 |
101 : | LOOP_SSE2 1 | ||
102 : | edgomez | 1.4 | test ecx, ecx |
103 : | jz .blk3 | ||
104 : | Isibaar | 1.1 | or eax, (1<<4) |
105 : | edgomez | 1.4 | |
106 : | Isibaar | 1.1 | .blk3 |
107 : | LOOP_SSE2 2 | ||
108 : | edgomez | 1.4 | test ecx, ecx |
109 : | jz .blk4 | ||
110 : | Isibaar | 1.1 | or eax, (1<<3) |
111 : | edgomez | 1.4 | |
112 : | Isibaar | 1.1 | .blk4 |
113 : | LOOP_SSE2 3 | ||
114 : | edgomez | 1.4 | test ecx, ecx |
115 : | jz .blk5 | ||
116 : | Isibaar | 1.1 | or eax, (1<<2) |
117 : | edgomez | 1.4 | |
118 : | Isibaar | 1.1 | .blk5 |
119 : | LOOP_SSE2 4 | ||
120 : | edgomez | 1.4 | test ecx, ecx |
121 : | jz .blk6 | ||
122 : | Isibaar | 1.1 | or eax, (1<<1) |
123 : | edgomez | 1.4 | |
124 : | Isibaar | 1.1 | .blk6 |
125 : | LOOP_SSE2 5 | ||
126 : | edgomez | 1.4 | test ecx, ecx |
127 : | jz .finished | ||
128 : | Isibaar | 1.1 | or eax, (1<<0) |
129 : | edgomez | 1.4 | |
130 : | Isibaar | 1.1 | .finished |
131 : | edgomez | 1.4 | ret |
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