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Revision 1.9 - (view) (download)
| 1 : | edgomez | 1.9 | ;/**************************************************************************** |
| 2 : | Isibaar | 1.1 | ; * |
| 3 : | edgomez | 1.9 | ; * XVID MPEG-4 VIDEO CODEC |
| 4 : | ; * - SSE2 optimized SAD operators - | ||
| 5 : | Isibaar | 1.1 | ; * |
| 6 : | edgomez | 1.9 | ; * Copyright(C) 2003 Pascal Massimino <skal@planet-d.net> |
| 7 : | Isibaar | 1.1 | ; * |
| 8 : | chl | 1.3 | ; * |
| 9 : | edgomez | 1.9 | ; * This program 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 : | edgomez | 1.7 | ; * |
| 14 : | edgomez | 1.9 | ; * 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 : | Isibaar | 1.1 | ; * |
| 19 : | edgomez | 1.9 | ; * 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 : | edgomez | 1.8 | ; * |
| 23 : | edgomez | 1.9 | ; * $Id$ |
| 24 : | edgomez | 1.8 | ; * |
| 25 : | edgomez | 1.9 | ; ***************************************************************************/ |
| 26 : | Isibaar | 1.1 | |
| 27 : | edgomez | 1.9 | BITS 32 |
| 28 : | Isibaar | 1.1 | |
| 29 : | edgomez | 1.9 | %macro cglobal 1 |
| 30 : | Isibaar | 1.1 | %ifdef PREFIX |
| 31 : | edgomez | 1.9 | global _%1 |
| 32 : | Isibaar | 1.1 | %define %1 _%1 |
| 33 : | %else | ||
| 34 : | global %1 | ||
| 35 : | %endif | ||
| 36 : | %endmacro | ||
| 37 : | |||
| 38 : | edgomez | 1.9 | ;============================================================================= |
| 39 : | ; Read only data | ||
| 40 : | ;============================================================================= | ||
| 41 : | Isibaar | 1.1 | |
| 42 : | edgomez | 1.9 | %ifdef FORMAT_COFF |
| 43 : | SECTION .rodata data | ||
| 44 : | %else | ||
| 45 : | SECTION .rodata data align=16 | ||
| 46 : | %endif | ||
| 47 : | Isibaar | 1.1 | |
| 48 : | edgomez | 1.9 | ALIGN 64 |
| 49 : | Isibaar | 1.1 | zero times 4 dd 0 |
| 50 : | |||
| 51 : | edgomez | 1.9 | ;============================================================================= |
| 52 : | ; Code | ||
| 53 : | ;============================================================================= | ||
| 54 : | |||
| 55 : | SECTION .text | ||
| 56 : | Isibaar | 1.1 | |
| 57 : | cglobal sad16_sse2 | ||
| 58 : | cglobal dev16_sse2 | ||
| 59 : | |||
| 60 : | edgomez | 1.9 | ;----------------------------------------------------------------------------- |
| 61 : | ; uint32_t sad16_sse2 (const uint8_t * const cur, <- assumed aligned! | ||
| 62 : | ; const uint8_t * const ref, | ||
| 63 : | ; const uint32_t stride, | ||
| 64 : | ; const uint32_t /*ignored*/); | ||
| 65 : | ;----------------------------------------------------------------------------- | ||
| 66 : | |||
| 67 : | |||
| 68 : | %macro SAD_16x16_SSE2 0 | ||
| 69 : | movdqu xmm0, [edx] | ||
| 70 : | movdqu xmm1, [edx+ecx] | ||
| 71 : | lea edx,[edx+2*ecx] | ||
| 72 : | movdqa xmm2, [eax] | ||
| 73 : | movdqa xmm3, [eax+ecx] | ||
| 74 : | lea eax,[eax+2*ecx] | ||
| 75 : | psadbw xmm0, xmm2 | ||
| 76 : | paddusw xmm6,xmm0 | ||
| 77 : | psadbw xmm1, xmm3 | ||
| 78 : | paddusw xmm6,xmm1 | ||
| 79 : | %endmacro | ||
| 80 : | |||
| 81 : | ALIGN 16 | ||
| 82 : | sad16_sse2: | ||
| 83 : | mov eax, [esp+ 4] ; cur (assumed aligned) | ||
| 84 : | mov edx, [esp+ 8] ; ref | ||
| 85 : | mov ecx, [esp+12] ; stride | ||
| 86 : | |||
| 87 : | pxor xmm6, xmm6 ; accum | ||
| 88 : | |||
| 89 : | SAD_16x16_SSE2 | ||
| 90 : | SAD_16x16_SSE2 | ||
| 91 : | SAD_16x16_SSE2 | ||
| 92 : | SAD_16x16_SSE2 | ||
| 93 : | SAD_16x16_SSE2 | ||
| 94 : | SAD_16x16_SSE2 | ||
| 95 : | SAD_16x16_SSE2 | ||
| 96 : | SAD_16x16_SSE2 | ||
| 97 : | |||
| 98 : | pshufd xmm5, xmm6, 00000010b | ||
| 99 : | paddusw xmm6, xmm5 | ||
| 100 : | pextrw eax, xmm6, 0 | ||
| 101 : | ret | ||
| 102 : | |||
| 103 : | |||
| 104 : | ;----------------------------------------------------------------------------- | ||
| 105 : | ; uint32_t dev16_sse2(const uint8_t * const cur, const uint32_t stride); | ||
| 106 : | ;----------------------------------------------------------------------------- | ||
| 107 : | |||
| 108 : | %macro MEAN_16x16_SSE2 0 ; eax: src, ecx:stride, mm7: zero or mean => mm6: result | ||
| 109 : | movdqu xmm0, [eax] | ||
| 110 : | movdqu xmm1, [eax+ecx] | ||
| 111 : | lea eax, [eax+2*ecx] ; + 2*stride | ||
| 112 : | psadbw xmm0, xmm7 | ||
| 113 : | paddusw xmm6, xmm0 | ||
| 114 : | psadbw xmm1, xmm7 | ||
| 115 : | paddusw xmm6, xmm1 | ||
| 116 : | %endmacro | ||
| 117 : | |||
| 118 : | |||
| 119 : | ALIGN 16 | ||
| 120 : | dev16_sse2: | ||
| 121 : | mov eax, [esp+ 4] ; src | ||
| 122 : | mov ecx, [esp+ 8] ; stride | ||
| 123 : | |||
| 124 : | pxor xmm6, xmm6 ; accum | ||
| 125 : | pxor xmm7, xmm7 ; zero | ||
| 126 : | |||
| 127 : | MEAN_16x16_SSE2 | ||
| 128 : | MEAN_16x16_SSE2 | ||
| 129 : | MEAN_16x16_SSE2 | ||
| 130 : | MEAN_16x16_SSE2 | ||
| 131 : | |||
| 132 : | MEAN_16x16_SSE2 | ||
| 133 : | MEAN_16x16_SSE2 | ||
| 134 : | MEAN_16x16_SSE2 | ||
| 135 : | MEAN_16x16_SSE2 | ||
| 136 : | |||
| 137 : | mov eax, [esp+ 4] ; src again | ||
| 138 : | |||
| 139 : | pshufd xmm7, xmm6, 10b | ||
| 140 : | paddusw xmm7, xmm6 | ||
| 141 : | pxor xmm6, xmm6 ; zero accum | ||
| 142 : | psrlw xmm7, 8 ; => Mean | ||
| 143 : | pshuflw xmm7, xmm7, 0 ; replicate Mean | ||
| 144 : | packuswb xmm7, xmm7 | ||
| 145 : | pshufd xmm7, xmm7, 00000000b | ||
| 146 : | |||
| 147 : | MEAN_16x16_SSE2 | ||
| 148 : | MEAN_16x16_SSE2 | ||
| 149 : | MEAN_16x16_SSE2 | ||
| 150 : | MEAN_16x16_SSE2 | ||
| 151 : | |||
| 152 : | MEAN_16x16_SSE2 | ||
| 153 : | MEAN_16x16_SSE2 | ||
| 154 : | MEAN_16x16_SSE2 | ||
| 155 : | MEAN_16x16_SSE2 | ||
| 156 : | |||
| 157 : | pshufd xmm7, xmm6, 10b | ||
| 158 : | paddusw xmm7, xmm6 | ||
| 159 : | pextrw eax, xmm7, 0 | ||
| 160 : | ret |
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