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1 : | edgomez | 851 | ;/***************************************************************************** |
2 : | ; * | ||
3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
4 : | edgomez | 1192 | ; * - Reduced-Resolution utilities - |
5 : | edgomez | 851 | ; * |
6 : | ; * Copyright(C) 2002 Pascal Massimino <skal@planet-d.net> | ||
7 : | ; * | ||
8 : | ; * XviD is free software; you can redistribute it and/or modify it | ||
9 : | ; * under the terms of the GNU General Public License as published by | ||
10 : | ; * the Free Software Foundation; either version 2 of the License, or | ||
11 : | ; * (at your option) any later version. | ||
12 : | ; * | ||
13 : | ; * This program is distributed in the hope that it will be useful, | ||
14 : | ; * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 : | ; * GNU General Public License for more details. | ||
17 : | ; * | ||
18 : | ; * You should have received a copy of the GNU General Public License | ||
19 : | ; * along with this program; if not, write to the Free Software | ||
20 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 : | ; * | ||
22 : | edgomez | 1192 | ; * $Id: reduced_mmx.asm,v 1.2.2.1 2003-10-28 22:23:03 edgomez Exp $ |
23 : | edgomez | 851 | ; * |
24 : | ; *************************************************************************/ | ||
25 : | |||
26 : | edgomez | 1192 | BITS 32 |
27 : | edgomez | 851 | |
28 : | edgomez | 1192 | %macro cglobal 1 |
29 : | edgomez | 851 | %ifdef PREFIX |
30 : | edgomez | 1192 | global _%1 |
31 : | edgomez | 851 | %define %1 _%1 |
32 : | %else | ||
33 : | global %1 | ||
34 : | %endif | ||
35 : | %endmacro | ||
36 : | |||
37 : | ;=========================================================================== | ||
38 : | |||
39 : | edgomez | 1192 | SECTION .rodata |
40 : | edgomez | 851 | |
41 : | align 16 | ||
42 : | Up31 dw 3, 1, 3, 1 | ||
43 : | Up13 dw 1, 3, 1, 3 | ||
44 : | Up93 dw 9, 3, 9, 3 | ||
45 : | Up39 dw 3, 9, 3, 9 | ||
46 : | Cst0 dw 0, 0, 0, 0 | ||
47 : | Cst2 dw 2, 2, 2, 2 | ||
48 : | Cst3 dw 3, 3, 3, 3 | ||
49 : | Cst32 dw 32,32,32,32 | ||
50 : | Cst2000 dw 2, 0, 0, 0 | ||
51 : | Cst0002 dw 0, 0, 0, 2 | ||
52 : | |||
53 : | Mask_ff dw 0xff,0xff,0xff,0xff | ||
54 : | |||
55 : | ;=========================================================================== | ||
56 : | |||
57 : | edgomez | 1192 | SECTION .text |
58 : | edgomez | 851 | |
59 : | cglobal xvid_Copy_Upsampled_8x8_16To8_mmx | ||
60 : | cglobal xvid_Add_Upsampled_8x8_16To8_mmx | ||
61 : | cglobal xvid_Copy_Upsampled_8x8_16To8_xmm | ||
62 : | cglobal xvid_Add_Upsampled_8x8_16To8_xmm | ||
63 : | |||
64 : | cglobal xvid_HFilter_31_mmx | ||
65 : | cglobal xvid_VFilter_31_x86 | ||
66 : | cglobal xvid_HFilter_31_x86 | ||
67 : | |||
68 : | cglobal xvid_Filter_18x18_To_8x8_mmx | ||
69 : | cglobal xvid_Filter_Diff_18x18_To_8x8_mmx | ||
70 : | |||
71 : | |||
72 : | ;////////////////////////////////////////////////////////////////////// | ||
73 : | ;// 8x8 -> 16x16 upsampling (16b) | ||
74 : | ;////////////////////////////////////////////////////////////////////// | ||
75 : | |||
76 : | %macro MUL_PACK 4 ; %1/%2: regs %3/%4/%5: Up13/Up31 | ||
77 : | pmullw %1, %3 ; [Up13] | ||
78 : | pmullw mm4, %4 ; [Up31] | ||
79 : | pmullw %2, %3 ; [Up13] | ||
80 : | pmullw mm5, %4 ; [Up31] | ||
81 : | paddsw %1, [Cst2] | ||
82 : | paddsw %2, [Cst2] | ||
83 : | paddsw %1, mm4 | ||
84 : | paddsw %2, mm5 | ||
85 : | %endmacro | ||
86 : | |||
87 : | ; MMX-way of reordering columns... | ||
88 : | |||
89 : | %macro COL03 3 ;%1/%2: regs, %3: row -output: mm4/mm5 | ||
90 : | movq %1, [edx+%3*16+0*2] ; %1 = 0|1|2|3 | ||
91 : | movq %2,[edx+%3*16+1*2] ; %2 = 1|2|3|4 | ||
92 : | movq mm5, %1 ; mm5 = 0|1|2|3 | ||
93 : | movq mm4, %1 ; mm4 = 0|1|2|3 | ||
94 : | punpckhwd mm5,%2 ; mm5 = 2|3|3|4 | ||
95 : | punpcklwd mm4,%2 ; mm4 = 0|1|1|2 | ||
96 : | punpcklwd %1,%1 ; %1 = 0|0|1|1 | ||
97 : | punpcklwd %2, mm5 ; %2 = 1|2|2|3 | ||
98 : | punpcklwd %1, mm4 ; %1 = 0|0|0|1 | ||
99 : | %endmacro | ||
100 : | |||
101 : | %macro COL47 3 ;%1-%2: regs, %3: row -output: mm4/mm5 | ||
102 : | movq mm5, [edx+%3*16+4*2] ; mm5 = 4|5|6|7 | ||
103 : | movq %1, [edx+%3*16+3*2] ; %1 = 3|4|5|6 | ||
104 : | movq %2, mm5 ; %2 = 4|5|6|7 | ||
105 : | movq mm4, mm5 ; mm4 = 4|5|6|7 | ||
106 : | punpckhwd %2, %2 ; %2 = 6|6|7|7 | ||
107 : | punpckhwd mm5, %2 ; mm5 = 6|7|7|7 | ||
108 : | movq %2, %1 ; %2 = 3|4|5|6 | ||
109 : | punpcklwd %1, mm4 ; %1 = 3|4|4|5 | ||
110 : | punpckhwd %2, mm4 ; %2 = 5|6|6|7 | ||
111 : | punpcklwd mm4, %2 ; mm4 = 4|5|5|6 | ||
112 : | %endmacro | ||
113 : | |||
114 : | %macro MIX_ROWS 4 ; %1/%2:prev %3/4:cur (preserved) mm4/mm5: output | ||
115 : | ; we need to perform: (%1,%3) -> (%1 = 3*%1+%3, mm4 = 3*%3+%1), %3 preserved. | ||
116 : | movq mm4, [Cst3] | ||
117 : | movq mm5, [Cst3] | ||
118 : | pmullw mm4, %3 | ||
119 : | pmullw mm5, %4 | ||
120 : | paddsw mm4, %1 | ||
121 : | paddsw mm5, %2 | ||
122 : | pmullw %1, [Cst3] | ||
123 : | pmullw %2, [Cst3] | ||
124 : | paddsw %1, %3 | ||
125 : | paddsw %2, %4 | ||
126 : | %endmacro | ||
127 : | |||
128 : | ;=========================================================================== | ||
129 : | ; | ||
130 : | edgomez | 1192 | ; void xvid_Copy_Upsampled_8x8_16To8_mmx(uint8_t *Dst, |
131 : | edgomez | 851 | ; const int16_t *Src, const int BpS); |
132 : | ; | ||
133 : | ;=========================================================================== | ||
134 : | |||
135 : | edgomez | 1192 | ; Note: we can use ">>2" instead of "/4" here, since we |
136 : | edgomez | 851 | ; are (supposed to be) averaging positive values |
137 : | |||
138 : | %macro STORE_1 2 | ||
139 : | psraw %1, 2 | ||
140 : | psraw %2, 2 | ||
141 : | edgomez | 1192 | packuswb %1,%2 |
142 : | edgomez | 851 | movq [ecx], %1 |
143 : | %endmacro | ||
144 : | |||
145 : | %macro STORE_2 2 ; pack and store (%1,%2) + (mm4,mm5) | ||
146 : | psraw %1, 4 | ||
147 : | psraw %2, 4 | ||
148 : | psraw mm4, 4 | ||
149 : | psraw mm5, 4 | ||
150 : | packuswb %1,%2 | ||
151 : | packuswb mm4, mm5 | ||
152 : | movq [ecx], %1 | ||
153 : | movq [ecx+eax], mm4 | ||
154 : | lea ecx, [ecx+2*eax] | ||
155 : | %endmacro | ||
156 : | |||
157 : | ;////////////////////////////////////////////////////////////////////// | ||
158 : | |||
159 : | align 16 | ||
160 : | xvid_Copy_Upsampled_8x8_16To8_mmx: ; 344c | ||
161 : | |||
162 : | mov ecx, [esp+4] ; Dst | ||
163 : | mov edx, [esp+8] ; Src | ||
164 : | mov eax, [esp+12] ; BpS | ||
165 : | |||
166 : | movq mm6, [Up13] | ||
167 : | movq mm7, [Up31] | ||
168 : | |||
169 : | COL03 mm0, mm1, 0 | ||
170 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
171 : | movq mm4, mm0 | ||
172 : | movq mm5, mm1 | ||
173 : | STORE_1 mm4, mm5 | ||
174 : | add ecx, eax | ||
175 : | |||
176 : | COL03 mm2, mm3, 1 | ||
177 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
178 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
179 : | STORE_2 mm0, mm1 | ||
180 : | |||
181 : | COL03 mm0, mm1, 2 | ||
182 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
183 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
184 : | STORE_2 mm2, mm3 | ||
185 : | |||
186 : | COL03 mm2, mm3, 3 | ||
187 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
188 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
189 : | STORE_2 mm0, mm1 | ||
190 : | |||
191 : | COL03 mm0, mm1, 4 | ||
192 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
193 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
194 : | STORE_2 mm2, mm3 | ||
195 : | |||
196 : | COL03 mm2, mm3, 5 | ||
197 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
198 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
199 : | STORE_2 mm0, mm1 | ||
200 : | |||
201 : | COL03 mm0, mm1, 6 | ||
202 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
203 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
204 : | STORE_2 mm2, mm3 | ||
205 : | |||
206 : | COL03 mm2, mm3, 7 | ||
207 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
208 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
209 : | STORE_2 mm0, mm1 | ||
210 : | |||
211 : | STORE_1 mm2, mm3 | ||
212 : | |||
213 : | mov ecx, [esp+4] | ||
214 : | add ecx, 8 | ||
215 : | |||
216 : | COL47 mm0, mm1, 0 | ||
217 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
218 : | movq mm4, mm0 | ||
219 : | movq mm5, mm1 | ||
220 : | STORE_1 mm4, mm5 | ||
221 : | add ecx, eax | ||
222 : | |||
223 : | COL47 mm2, mm3, 1 | ||
224 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
225 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
226 : | STORE_2 mm0, mm1 | ||
227 : | |||
228 : | COL47 mm0, mm1, 2 | ||
229 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
230 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
231 : | STORE_2 mm2, mm3 | ||
232 : | |||
233 : | COL47 mm2, mm3, 3 | ||
234 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
235 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
236 : | STORE_2 mm0, mm1 | ||
237 : | |||
238 : | COL47 mm0, mm1, 4 | ||
239 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
240 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
241 : | STORE_2 mm2, mm3 | ||
242 : | |||
243 : | COL47 mm2, mm3, 5 | ||
244 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
245 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
246 : | STORE_2 mm0, mm1 | ||
247 : | |||
248 : | COL47 mm0, mm1, 6 | ||
249 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
250 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
251 : | STORE_2 mm2, mm3 | ||
252 : | |||
253 : | COL47 mm2, mm3, 7 | ||
254 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
255 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
256 : | STORE_2 mm0, mm1 | ||
257 : | |||
258 : | STORE_1 mm2, mm3 | ||
259 : | |||
260 : | ret | ||
261 : | |||
262 : | ;=========================================================================== | ||
263 : | ; | ||
264 : | edgomez | 1192 | ; void xvid_Add_Upsampled_8x8_16To8_mmx(uint8_t *Dst, |
265 : | edgomez | 851 | ; const int16_t *Src, const int BpS); |
266 : | ; | ||
267 : | ;=========================================================================== | ||
268 : | |||
269 : | ; Note: grrr... the 'pcmpgtw' stuff are the "/4" and "/16" operators | ||
270 : | edgomez | 1192 | ; implemented with ">>2" and ">>4" using: |
271 : | edgomez | 851 | ; x/4 = ( (x-(x<0))>>2 ) + (x<0) |
272 : | ; x/16 = ( (x-(x<0))>>4 ) + (x<0) | ||
273 : | |||
274 : | %macro STORE_ADD_1 2 | ||
275 : | ; We substract the rounder '2' for corner pixels, | ||
276 : | ; since when 'x' is negative, (x*4 + 2)/4 is *not* | ||
277 : | ; equal to 'x'. In fact, the correct relation is: | ||
278 : | ; (x*4 + 2)/4 = x - (x<0) | ||
279 : | ; So, better revert to (x*4)/4 = x. | ||
280 : | |||
281 : | psubsw %1, [Cst2000] | ||
282 : | psubsw %2, [Cst0002] | ||
283 : | pxor mm6, mm6 | ||
284 : | pxor mm7, mm7 | ||
285 : | pcmpgtw mm6, %1 | ||
286 : | pcmpgtw mm7, %2 | ||
287 : | paddsw %1, mm6 | ||
288 : | paddsw %2, mm7 | ||
289 : | psraw %1, 2 | ||
290 : | psraw %2, 2 | ||
291 : | psubsw %1, mm6 | ||
292 : | psubsw %2, mm7 | ||
293 : | |||
294 : | ; mix with destination [ecx] | ||
295 : | movq mm6, [ecx] | ||
296 : | movq mm7, [ecx] | ||
297 : | punpcklbw mm6, [Cst0] | ||
298 : | punpckhbw mm7, [Cst0] | ||
299 : | paddsw %1, mm6 | ||
300 : | paddsw %2, mm7 | ||
301 : | packuswb %1,%2 | ||
302 : | movq [ecx], %1 | ||
303 : | %endmacro | ||
304 : | |||
305 : | %macro STORE_ADD_2 2 | ||
306 : | pxor mm6, mm6 | ||
307 : | pxor mm7, mm7 | ||
308 : | pcmpgtw mm6, %1 | ||
309 : | pcmpgtw mm7, %2 | ||
310 : | paddsw %1, mm6 | ||
311 : | paddsw %2, mm7 | ||
312 : | psraw %1, 4 | ||
313 : | psraw %2, 4 | ||
314 : | psubsw %1, mm6 | ||
315 : | psubsw %2, mm7 | ||
316 : | |||
317 : | pxor mm6, mm6 | ||
318 : | pxor mm7, mm7 | ||
319 : | pcmpgtw mm6, mm4 | ||
320 : | pcmpgtw mm7, mm5 | ||
321 : | paddsw mm4, mm6 | ||
322 : | paddsw mm5, mm7 | ||
323 : | psraw mm4, 4 | ||
324 : | psraw mm5, 4 | ||
325 : | psubsw mm4, mm6 | ||
326 : | psubsw mm5, mm7 | ||
327 : | |||
328 : | ; mix with destination | ||
329 : | movq mm6, [ecx] | ||
330 : | movq mm7, [ecx] | ||
331 : | punpcklbw mm6, [Cst0] | ||
332 : | punpckhbw mm7, [Cst0] | ||
333 : | paddsw %1, mm6 | ||
334 : | paddsw %2, mm7 | ||
335 : | |||
336 : | movq mm6, [ecx+eax] | ||
337 : | movq mm7, [ecx+eax] | ||
338 : | |||
339 : | punpcklbw mm6, [Cst0] | ||
340 : | punpckhbw mm7, [Cst0] | ||
341 : | paddsw mm4, mm6 | ||
342 : | paddsw mm5, mm7 | ||
343 : | |||
344 : | packuswb %1,%2 | ||
345 : | packuswb mm4, mm5 | ||
346 : | |||
347 : | movq [ecx], %1 | ||
348 : | movq [ecx+eax], mm4 | ||
349 : | |||
350 : | lea ecx, [ecx+2*eax] | ||
351 : | %endmacro | ||
352 : | |||
353 : | ;////////////////////////////////////////////////////////////////////// | ||
354 : | |||
355 : | align 16 | ||
356 : | xvid_Add_Upsampled_8x8_16To8_mmx: ; 579c | ||
357 : | |||
358 : | mov ecx, [esp+4] ; Dst | ||
359 : | mov edx, [esp+8] ; Src | ||
360 : | mov eax, [esp+12] ; BpS | ||
361 : | |||
362 : | COL03 mm0, mm1, 0 | ||
363 : | edgomez | 1192 | MUL_PACK mm0,mm1, [Up13], [Up31] |
364 : | edgomez | 851 | movq mm4, mm0 |
365 : | movq mm5, mm1 | ||
366 : | STORE_ADD_1 mm4, mm5 | ||
367 : | add ecx, eax | ||
368 : | |||
369 : | COL03 mm2, mm3, 1 | ||
370 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
371 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
372 : | STORE_ADD_2 mm0, mm1 | ||
373 : | |||
374 : | COL03 mm0, mm1, 2 | ||
375 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
376 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
377 : | STORE_ADD_2 mm2, mm3 | ||
378 : | |||
379 : | COL03 mm2, mm3, 3 | ||
380 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
381 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
382 : | STORE_ADD_2 mm0, mm1 | ||
383 : | |||
384 : | COL03 mm0, mm1, 4 | ||
385 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
386 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
387 : | STORE_ADD_2 mm2, mm3 | ||
388 : | |||
389 : | COL03 mm2, mm3, 5 | ||
390 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
391 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
392 : | STORE_ADD_2 mm0, mm1 | ||
393 : | |||
394 : | COL03 mm0, mm1, 6 | ||
395 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
396 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
397 : | STORE_ADD_2 mm2, mm3 | ||
398 : | |||
399 : | COL03 mm2, mm3, 7 | ||
400 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
401 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
402 : | STORE_ADD_2 mm0, mm1 | ||
403 : | |||
404 : | STORE_ADD_1 mm2, mm3 | ||
405 : | |||
406 : | |||
407 : | mov ecx, [esp+4] | ||
408 : | add ecx, 8 | ||
409 : | |||
410 : | COL47 mm0, mm1, 0 | ||
411 : | edgomez | 1192 | MUL_PACK mm0,mm1, [Up13], [Up31] |
412 : | edgomez | 851 | movq mm4, mm0 |
413 : | edgomez | 1192 | movq mm5, mm1 |
414 : | edgomez | 851 | STORE_ADD_1 mm4, mm5 |
415 : | add ecx, eax | ||
416 : | |||
417 : | COL47 mm2, mm3, 1 | ||
418 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
419 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
420 : | STORE_ADD_2 mm0, mm1 | ||
421 : | |||
422 : | COL47 mm0, mm1, 2 | ||
423 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
424 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
425 : | STORE_ADD_2 mm2, mm3 | ||
426 : | |||
427 : | COL47 mm2, mm3, 3 | ||
428 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
429 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
430 : | STORE_ADD_2 mm0, mm1 | ||
431 : | |||
432 : | COL47 mm0, mm1, 4 | ||
433 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
434 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
435 : | STORE_ADD_2 mm2, mm3 | ||
436 : | |||
437 : | COL47 mm2, mm3, 5 | ||
438 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
439 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
440 : | STORE_ADD_2 mm0, mm1 | ||
441 : | |||
442 : | COL47 mm0, mm1, 6 | ||
443 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
444 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
445 : | STORE_ADD_2 mm2, mm3 | ||
446 : | |||
447 : | COL47 mm2, mm3, 7 | ||
448 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
449 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
450 : | STORE_ADD_2 mm0, mm1 | ||
451 : | |||
452 : | STORE_ADD_1 mm2, mm3 | ||
453 : | |||
454 : | ret | ||
455 : | |||
456 : | ;=========================================================================== | ||
457 : | ; | ||
458 : | edgomez | 1192 | ; void xvid_Copy_Upsampled_8x8_16To8_xmm(uint8_t *Dst, |
459 : | edgomez | 851 | ; const int16_t *Src, const int BpS); |
460 : | ; | ||
461 : | ;=========================================================================== | ||
462 : | |||
463 : | ; xmm version can take (little) advantage of 'pshufw' | ||
464 : | |||
465 : | %macro COL03_SSE 3 ;%1/%2: regs, %3: row -trashes mm4/mm5 | ||
466 : | movq %2, [edx+%3*16+0*2] ; <- 0|1|2|3 | ||
467 : | pshufw %1, %2, (0+0*4+0*16+1*64) ; %1 = 0|0|0|1 | ||
468 : | pshufw mm4, %2, (0+1*4+1*16+2*64) ; mm4= 0|1|1|2 | ||
469 : | pshufw %2, %2, (1+2*4+2*16+3*64) ; %2 = 1|2|2|3 | ||
470 : | pshufw mm5, [edx+%3*16+2*2], (0+1*4+1*16+2*64) ; mm5 = 2|3|3|4 | ||
471 : | %endmacro | ||
472 : | |||
473 : | %macro COL47_SSE 3 ;%1-%2: regs, %3: row -trashes mm4/mm5 | ||
474 : | pshufw %1, [edx+%3*16+2*2], (1+2*4+2*16+3*64) ; 3|4|4|5 | ||
475 : | movq mm5, [edx+%3*16+2*4] ; <- 4|5|6|7 | ||
476 : | pshufw mm4, mm5, (0+1*4+1*16+2*64) ; 4|5|5|6 | ||
477 : | pshufw %2, mm5, (1+2*4+2*16+3*64) ; 5|6|6|7 | ||
478 : | pshufw mm5, mm5, (2+3*4+3*16+3*64) ; 6|7|7|7 | ||
479 : | %endmacro | ||
480 : | |||
481 : | |||
482 : | ;////////////////////////////////////////////////////////////////////// | ||
483 : | |||
484 : | align 16 | ||
485 : | xvid_Copy_Upsampled_8x8_16To8_xmm: ; 315c | ||
486 : | |||
487 : | mov ecx, [esp+4] ; Dst | ||
488 : | mov edx, [esp+8] ; Src | ||
489 : | mov eax, [esp+12] ; BpS | ||
490 : | |||
491 : | movq mm6, [Up13] | ||
492 : | movq mm7, [Up31] | ||
493 : | |||
494 : | COL03_SSE mm0, mm1, 0 | ||
495 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
496 : | movq mm4, mm0 | ||
497 : | movq mm5, mm1 | ||
498 : | STORE_1 mm4, mm5 | ||
499 : | add ecx, eax | ||
500 : | |||
501 : | COL03_SSE mm2, mm3, 1 | ||
502 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
503 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
504 : | STORE_2 mm0, mm1 | ||
505 : | |||
506 : | COL03_SSE mm0, mm1, 2 | ||
507 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
508 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
509 : | STORE_2 mm2, mm3 | ||
510 : | |||
511 : | COL03_SSE mm2, mm3, 3 | ||
512 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
513 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
514 : | STORE_2 mm0, mm1 | ||
515 : | |||
516 : | COL03_SSE mm0, mm1, 4 | ||
517 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
518 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
519 : | STORE_2 mm2, mm3 | ||
520 : | |||
521 : | COL03_SSE mm2, mm3, 5 | ||
522 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
523 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
524 : | STORE_2 mm0, mm1 | ||
525 : | |||
526 : | COL03_SSE mm0, mm1, 6 | ||
527 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
528 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
529 : | STORE_2 mm2, mm3 | ||
530 : | |||
531 : | COL03_SSE mm2, mm3, 7 | ||
532 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
533 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
534 : | STORE_2 mm0, mm1 | ||
535 : | |||
536 : | STORE_1 mm2, mm3 | ||
537 : | |||
538 : | mov ecx, [esp+4] | ||
539 : | add ecx, 8 | ||
540 : | |||
541 : | COL47_SSE mm0, mm1, 0 | ||
542 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
543 : | movq mm4, mm0 | ||
544 : | movq mm5, mm1 | ||
545 : | STORE_1 mm4, mm5 | ||
546 : | add ecx, eax | ||
547 : | |||
548 : | COL47_SSE mm2, mm3, 1 | ||
549 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
550 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
551 : | STORE_2 mm0, mm1 | ||
552 : | |||
553 : | COL47_SSE mm0, mm1, 2 | ||
554 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
555 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
556 : | STORE_2 mm2, mm3 | ||
557 : | |||
558 : | COL47_SSE mm2, mm3, 3 | ||
559 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
560 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
561 : | STORE_2 mm0, mm1 | ||
562 : | |||
563 : | COL47_SSE mm0, mm1, 4 | ||
564 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
565 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
566 : | STORE_2 mm2, mm3 | ||
567 : | |||
568 : | COL47_SSE mm2, mm3, 5 | ||
569 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
570 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
571 : | STORE_2 mm0, mm1 | ||
572 : | |||
573 : | COL47_SSE mm0, mm1, 6 | ||
574 : | MUL_PACK mm0,mm1, mm6, mm7 | ||
575 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
576 : | STORE_2 mm2, mm3 | ||
577 : | |||
578 : | COL47_SSE mm2, mm3, 7 | ||
579 : | MUL_PACK mm2,mm3, mm6, mm7 | ||
580 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
581 : | STORE_2 mm0, mm1 | ||
582 : | |||
583 : | STORE_1 mm2, mm3 | ||
584 : | |||
585 : | ret | ||
586 : | |||
587 : | ;=========================================================================== | ||
588 : | ; | ||
589 : | edgomez | 1192 | ; void xvid_Add_Upsampled_8x8_16To8_xmm(uint8_t *Dst, |
590 : | edgomez | 851 | ; const int16_t *Src, const int BpS); |
591 : | ; | ||
592 : | ;=========================================================================== | ||
593 : | |||
594 : | align 16 | ||
595 : | xvid_Add_Upsampled_8x8_16To8_xmm: ; 549c | ||
596 : | |||
597 : | mov ecx, [esp+4] ; Dst | ||
598 : | mov edx, [esp+8] ; Src | ||
599 : | mov eax, [esp+12] ; BpS | ||
600 : | |||
601 : | COL03_SSE mm0, mm1, 0 | ||
602 : | edgomez | 1192 | MUL_PACK mm0,mm1, [Up13], [Up31] |
603 : | edgomez | 851 | movq mm4, mm0 |
604 : | movq mm5, mm1 | ||
605 : | STORE_ADD_1 mm4, mm5 | ||
606 : | add ecx, eax | ||
607 : | |||
608 : | COL03_SSE mm2, mm3, 1 | ||
609 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
610 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
611 : | STORE_ADD_2 mm0, mm1 | ||
612 : | |||
613 : | COL03_SSE mm0, mm1, 2 | ||
614 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
615 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
616 : | STORE_ADD_2 mm2, mm3 | ||
617 : | |||
618 : | COL03_SSE mm2, mm3, 3 | ||
619 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
620 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
621 : | STORE_ADD_2 mm0, mm1 | ||
622 : | |||
623 : | COL03_SSE mm0, mm1, 4 | ||
624 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
625 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
626 : | STORE_ADD_2 mm2, mm3 | ||
627 : | |||
628 : | COL03_SSE mm2, mm3, 5 | ||
629 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
630 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
631 : | STORE_ADD_2 mm0, mm1 | ||
632 : | |||
633 : | COL03_SSE mm0, mm1, 6 | ||
634 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
635 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
636 : | STORE_ADD_2 mm2, mm3 | ||
637 : | |||
638 : | COL03_SSE mm2, mm3, 7 | ||
639 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
640 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
641 : | STORE_ADD_2 mm0, mm1 | ||
642 : | |||
643 : | STORE_ADD_1 mm2, mm3 | ||
644 : | |||
645 : | |||
646 : | mov ecx, [esp+4] | ||
647 : | add ecx, 8 | ||
648 : | |||
649 : | COL47_SSE mm0, mm1, 0 | ||
650 : | edgomez | 1192 | MUL_PACK mm0,mm1, [Up13], [Up31] |
651 : | edgomez | 851 | movq mm4, mm0 |
652 : | edgomez | 1192 | movq mm5, mm1 |
653 : | edgomez | 851 | STORE_ADD_1 mm4, mm5 |
654 : | add ecx, eax | ||
655 : | |||
656 : | COL47_SSE mm2, mm3, 1 | ||
657 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
658 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
659 : | STORE_ADD_2 mm0, mm1 | ||
660 : | |||
661 : | COL47_SSE mm0, mm1, 2 | ||
662 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
663 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
664 : | STORE_ADD_2 mm2, mm3 | ||
665 : | |||
666 : | COL47_SSE mm2, mm3, 3 | ||
667 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
668 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
669 : | STORE_ADD_2 mm0, mm1 | ||
670 : | |||
671 : | COL47_SSE mm0, mm1, 4 | ||
672 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
673 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
674 : | STORE_ADD_2 mm2, mm3 | ||
675 : | |||
676 : | COL47_SSE mm2, mm3, 5 | ||
677 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
678 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
679 : | STORE_ADD_2 mm0, mm1 | ||
680 : | |||
681 : | COL47_SSE mm0, mm1, 6 | ||
682 : | MUL_PACK mm0,mm1, [Up13], [Up31] | ||
683 : | MIX_ROWS mm2, mm3, mm0, mm1 | ||
684 : | STORE_ADD_2 mm2, mm3 | ||
685 : | |||
686 : | COL47_SSE mm2, mm3, 7 | ||
687 : | MUL_PACK mm2,mm3, [Up13], [Up31] | ||
688 : | MIX_ROWS mm0, mm1, mm2, mm3 | ||
689 : | STORE_ADD_2 mm0, mm1 | ||
690 : | |||
691 : | STORE_ADD_1 mm2, mm3 | ||
692 : | |||
693 : | ret | ||
694 : | |||
695 : | |||
696 : | ;=========================================================================== | ||
697 : | ; | ||
698 : | ; void xvid_HFilter_31_mmx(uint8_t *Src1, uint8_t *Src2, int Nb_Blks); | ||
699 : | ; void xvid_VFilter_31_x86(uint8_t *Src1, uint8_t *Src2, const int BpS, int Nb_Blks); | ||
700 : | ; void xvid_HFilter_31_x86(uint8_t *Src1, uint8_t *Src2, int Nb_Blks); | ||
701 : | ; | ||
702 : | ;=========================================================================== | ||
703 : | |||
704 : | ;////////////////////////////////////////////////////////////////////// | ||
705 : | ;// horizontal/vertical filtering: [x,y] -> [ (3x+y+2)>>2, (x+3y+2)>>2 ] | ||
706 : | ;// | ||
707 : | ;// We use the trick: tmp = (x+y+2) -> [x = (tmp+2x)>>2, y = (tmp+2y)>>2] | ||
708 : | ;////////////////////////////////////////////////////////////////////// | ||
709 : | |||
710 : | align 16 | ||
711 : | xvid_HFilter_31_mmx: | ||
712 : | push esi | ||
713 : | push edi | ||
714 : | mov esi, [esp+4 +8] ; Src1 | ||
715 : | mov edi, [esp+8 +8] ; Src2 | ||
716 : | mov eax, [esp+12 +8] ; Nb_Blks | ||
717 : | lea eax,[eax*2] | ||
718 : | movq mm5, [Cst2] | ||
719 : | pxor mm7, mm7 | ||
720 : | |||
721 : | lea esi, [esi+eax*4] | ||
722 : | lea edi, [edi+eax*4] | ||
723 : | |||
724 : | neg eax | ||
725 : | |||
726 : | .Loop: ;12c | ||
727 : | edgomez | 1192 | movd mm0, [esi+eax*4] |
728 : | edgomez | 851 | movd mm1, [edi+eax*4] |
729 : | edgomez | 1192 | movq mm2, mm5 |
730 : | edgomez | 851 | punpcklbw mm0, mm7 |
731 : | punpcklbw mm1, mm7 | ||
732 : | paddsw mm2, mm0 | ||
733 : | paddsw mm0, mm0 | ||
734 : | paddsw mm2, mm1 | ||
735 : | paddsw mm1, mm1 | ||
736 : | paddsw mm0, mm2 | ||
737 : | paddsw mm1, mm2 | ||
738 : | psraw mm0, 2 | ||
739 : | psraw mm1, 2 | ||
740 : | packuswb mm0, mm7 | ||
741 : | packuswb mm1, mm7 | ||
742 : | movd [esi+eax*4], mm0 | ||
743 : | movd [edi+eax*4], mm1 | ||
744 : | add eax,1 | ||
745 : | jl .Loop | ||
746 : | |||
747 : | pop edi | ||
748 : | pop esi | ||
749 : | ret | ||
750 : | |||
751 : | ; mmx is of no use here. Better use plain ASM. Moreover, | ||
752 : | ; this is for the fun of ASM coding, coz' every modern compiler can | ||
753 : | ; end up with a code that looks very much like this one... | ||
754 : | |||
755 : | align 16 | ||
756 : | xvid_VFilter_31_x86: | ||
757 : | push esi | ||
758 : | push edi | ||
759 : | push ebx | ||
760 : | push ebp | ||
761 : | mov esi, [esp+4 +16] ; Src1 | ||
762 : | mov edi, [esp+8 +16] ; Src2 | ||
763 : | mov ebp, [esp+12 +16] ; BpS | ||
764 : | mov eax, [esp+16 +16] ; Nb_Blks | ||
765 : | lea eax,[eax*8] | ||
766 : | |||
767 : | .Loop: ;7c | ||
768 : | movzx ecx, byte [esi] | ||
769 : | movzx edx, byte [edi] | ||
770 : | |||
771 : | lea ebx, [ecx+edx+2] | ||
772 : | lea ecx,[ebx+2*ecx] | ||
773 : | lea edx,[ebx+2*edx] | ||
774 : | |||
775 : | shr ecx,2 | ||
776 : | shr edx,2 | ||
777 : | mov [esi], cl | ||
778 : | mov [edi], dl | ||
779 : | lea esi, [esi+ebp] | ||
780 : | lea edi, [edi+ebp] | ||
781 : | dec eax | ||
782 : | jg .Loop | ||
783 : | |||
784 : | pop ebp | ||
785 : | pop ebx | ||
786 : | pop edi | ||
787 : | pop esi | ||
788 : | ret | ||
789 : | |||
790 : | ; this one's just a little faster than gcc's code. Very little. | ||
791 : | |||
792 : | align 16 | ||
793 : | xvid_HFilter_31_x86: | ||
794 : | push esi | ||
795 : | push edi | ||
796 : | push ebx | ||
797 : | mov esi, [esp+4 +12] ; Src1 | ||
798 : | mov edi, [esp+8 +12] ; Src2 | ||
799 : | mov eax, [esp+12 +12] ; Nb_Blks | ||
800 : | |||
801 : | lea eax,[eax*8] | ||
802 : | lea esi, [esi+eax] | ||
803 : | lea edi, [esi+eax] | ||
804 : | neg eax | ||
805 : | |||
806 : | .Loop: ; 6c | ||
807 : | movzx ecx, byte [esi+eax] | ||
808 : | movzx edx, byte [edi+eax] | ||
809 : | |||
810 : | lea ebx, [ecx+edx+2] | ||
811 : | lea ecx,[ebx+2*ecx] | ||
812 : | lea edx,[ebx+2*edx] | ||
813 : | shr ecx,2 | ||
814 : | shr edx,2 | ||
815 : | mov [esi+eax], cl | ||
816 : | mov [edi+eax], dl | ||
817 : | inc eax | ||
818 : | |||
819 : | jl .Loop | ||
820 : | |||
821 : | pop ebx | ||
822 : | pop edi | ||
823 : | pop esi | ||
824 : | ret | ||
825 : | |||
826 : | ;////////////////////////////////////////////////////////////////////// | ||
827 : | ;// 16b downsampling 16x16 -> 8x8 | ||
828 : | ;////////////////////////////////////////////////////////////////////// | ||
829 : | |||
830 : | %macro HFILTER_1331 2 ;%1:src %2:dst reg. -trashes mm0/mm1/mm2 | ||
831 : | movq mm2, [Mask_ff] | ||
832 : | movq %2, [%1-1] ;-10123456 | ||
833 : | movq mm0, [%1] ; 01234567 | ||
834 : | movq mm1, [%1+1] ; 12345678 | ||
835 : | pand %2, mm2 ;-1|1|3|5 | ||
836 : | pand mm0, mm2 ; 0|2|4|6 | ||
837 : | pand mm1, mm2 ; 1|3|5|7 | ||
838 : | pand mm2, [%1+2] ; 2|4|6|8 | ||
839 : | paddusw mm0, mm1 | ||
840 : | paddusw %2, mm2 | ||
841 : | pmullw mm0, mm7 | ||
842 : | paddusw %2, mm0 | ||
843 : | %endmacro | ||
844 : | |||
845 : | %macro VFILTER_1331 4 ; %1-4: regs %1-%2: trashed | ||
846 : | paddsw %1, [Cst32] | ||
847 : | edgomez | 1192 | paddsw %2, %3 |
848 : | edgomez | 851 | pmullw %2, mm7 |
849 : | paddsw %1,%4 | ||
850 : | paddsw %1, %2 | ||
851 : | psraw %1, 6 | ||
852 : | %endmacro | ||
853 : | |||
854 : | ;=========================================================================== | ||
855 : | ; | ||
856 : | ; void xvid_Filter_18x18_To_8x8_mmx(int16_t *Dst, | ||
857 : | ; const uint8_t *Src, const int BpS); | ||
858 : | ; | ||
859 : | ;=========================================================================== | ||
860 : | |||
861 : | %macro COPY_TWO_LINES_1331 1 ; %1: dst | ||
862 : | HFILTER_1331 edx , mm5 | ||
863 : | HFILTER_1331 edx+eax, mm6 | ||
864 : | lea edx, [edx+2*eax] | ||
865 : | VFILTER_1331 mm3,mm4,mm5, mm6 | ||
866 : | movq [%1], mm3 | ||
867 : | |||
868 : | HFILTER_1331 edx , mm3 | ||
869 : | HFILTER_1331 edx+eax, mm4 | ||
870 : | lea edx, [edx+2*eax] | ||
871 : | VFILTER_1331 mm5,mm6,mm3,mm4 | ||
872 : | movq [%1+16], mm5 | ||
873 : | %endmacro | ||
874 : | |||
875 : | align 16 | ||
876 : | xvid_Filter_18x18_To_8x8_mmx: ; 283c (~4.4c per output pixel) | ||
877 : | |||
878 : | mov ecx, [esp+4] ; Dst | ||
879 : | mov edx, [esp+8] ; Src | ||
880 : | mov eax, [esp+12] ; BpS | ||
881 : | |||
882 : | movq mm7, [Cst3] | ||
883 : | sub edx, eax | ||
884 : | |||
885 : | ; mm3/mm4/mm5/mm6 is used as a 4-samples delay line. | ||
886 : | |||
887 : | ; process columns 0-3 | ||
888 : | |||
889 : | HFILTER_1331 edx , mm3 ; pre-load mm3/mm4 | ||
890 : | HFILTER_1331 edx+eax, mm4 | ||
891 : | lea edx, [edx+2*eax] | ||
892 : | |||
893 : | COPY_TWO_LINES_1331 ecx + 0*16 | ||
894 : | COPY_TWO_LINES_1331 ecx + 2*16 | ||
895 : | COPY_TWO_LINES_1331 ecx + 4*16 | ||
896 : | COPY_TWO_LINES_1331 ecx + 6*16 | ||
897 : | |||
898 : | ; process columns 4-7 | ||
899 : | |||
900 : | mov edx, [esp+8] | ||
901 : | sub edx, eax | ||
902 : | add edx, 8 | ||
903 : | |||
904 : | HFILTER_1331 edx , mm3 ; pre-load mm3/mm4 | ||
905 : | HFILTER_1331 edx+eax, mm4 | ||
906 : | lea edx, [edx+2*eax] | ||
907 : | |||
908 : | COPY_TWO_LINES_1331 ecx + 0*16 +8 | ||
909 : | COPY_TWO_LINES_1331 ecx + 2*16 +8 | ||
910 : | COPY_TWO_LINES_1331 ecx + 4*16 +8 | ||
911 : | COPY_TWO_LINES_1331 ecx + 6*16 +8 | ||
912 : | |||
913 : | ret | ||
914 : | |||
915 : | ;=========================================================================== | ||
916 : | ; | ||
917 : | ; void xvid_Filter_Diff_18x18_To_8x8_mmx(int16_t *Dst, | ||
918 : | ; const uint8_t *Src, const int BpS); | ||
919 : | ; | ||
920 : | ;=========================================================================== | ||
921 : | |||
922 : | %macro DIFF_TWO_LINES_1331 1 ; %1: dst | ||
923 : | HFILTER_1331 edx , mm5 | ||
924 : | HFILTER_1331 edx+eax, mm6 | ||
925 : | lea edx, [edx+2*eax] | ||
926 : | movq mm2, [%1] | ||
927 : | VFILTER_1331 mm3,mm4,mm5, mm6 | ||
928 : | psubsw mm2, mm3 | ||
929 : | movq [%1], mm2 | ||
930 : | |||
931 : | HFILTER_1331 edx , mm3 | ||
932 : | HFILTER_1331 edx+eax, mm4 | ||
933 : | lea edx, [edx+2*eax] | ||
934 : | movq mm2, [%1+16] | ||
935 : | VFILTER_1331 mm5,mm6,mm3,mm4 | ||
936 : | psubsw mm2, mm5 | ||
937 : | movq [%1+16], mm2 | ||
938 : | %endmacro | ||
939 : | |||
940 : | align 16 | ||
941 : | xvid_Filter_Diff_18x18_To_8x8_mmx: ; 302c | ||
942 : | |||
943 : | mov ecx, [esp+4] ; Dst | ||
944 : | mov edx, [esp+8] ; Src | ||
945 : | mov eax, [esp+12] ; BpS | ||
946 : | |||
947 : | movq mm7, [Cst3] | ||
948 : | sub edx, eax | ||
949 : | |||
950 : | ; mm3/mm4/mm5/mm6 is used as a 4-samples delay line. | ||
951 : | |||
952 : | ; process columns 0-3 | ||
953 : | |||
954 : | HFILTER_1331 edx , mm3 ; pre-load mm3/mm4 | ||
955 : | HFILTER_1331 edx+eax, mm4 | ||
956 : | lea edx, [edx+2*eax] | ||
957 : | |||
958 : | DIFF_TWO_LINES_1331 ecx + 0*16 | ||
959 : | DIFF_TWO_LINES_1331 ecx + 2*16 | ||
960 : | DIFF_TWO_LINES_1331 ecx + 4*16 | ||
961 : | DIFF_TWO_LINES_1331 ecx + 6*16 | ||
962 : | |||
963 : | ; process columns 4-7 | ||
964 : | mov edx, [esp+8] | ||
965 : | sub edx, eax | ||
966 : | add edx, 8 | ||
967 : | |||
968 : | HFILTER_1331 edx , mm3 ; pre-load mm3/mm4 | ||
969 : | HFILTER_1331 edx+eax, mm4 | ||
970 : | lea edx, [edx+2*eax] | ||
971 : | |||
972 : | DIFF_TWO_LINES_1331 ecx + 0*16 +8 | ||
973 : | DIFF_TWO_LINES_1331 ecx + 2*16 +8 | ||
974 : | DIFF_TWO_LINES_1331 ecx + 4*16 +8 | ||
975 : | DIFF_TWO_LINES_1331 ecx + 6*16 +8 | ||
976 : | |||
977 : | ret | ||
978 : | |||
979 : | ;////////////////////////////////////////////////////////////////////// | ||
980 : | |||
981 : | ; pfeewwww... Never Do That On Stage Again. :) | ||
982 : |
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