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1 : | edgomez | 1382 | ;/***************************************************************************** |
2 : | edgomez | 851 | ; * |
3 : | edgomez | 1382 | ; * XVID MPEG-4 VIDEO CODEC |
4 : | ; * - 3dne pipeline optimized 8x8 block-based halfpel interpolation - | ||
5 : | edgomez | 851 | ; * |
6 : | edgomez | 1382 | ; * Copyright(C) 2002 Jaan Kalda |
7 : | edgomez | 851 | ; * |
8 : | edgomez | 1382 | ; * This program is free software ; you can redistribute it and/or modify |
9 : | ; * it 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 : | edgomez | 851 | ; * |
13 : | edgomez | 1382 | ; * 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 : | edgomez | 851 | ; * |
18 : | edgomez | 1382 | ; * 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 : | edgomez | 851 | ; * |
22 : | edgomez | 1382 | ; ****************************************************************************/ |
23 : | edgomez | 851 | |
24 : | edgomez | 1382 | ; these 3dne functions are compatible with iSSE, but are optimized specifically |
25 : | ; for K7 pipelines | ||
26 : | edgomez | 851 | |
27 : | edgomez | 1382 | BITS 32 |
28 : | edgomez | 851 | |
29 : | edgomez | 1382 | %macro cglobal 1 |
30 : | edgomez | 851 | %ifdef PREFIX |
31 : | edgomez | 1535 | %ifdef MARK_FUNCS |
32 : | global _%1:function | ||
33 : | %define %1 _%1:function | ||
34 : | %else | ||
35 : | global _%1 | ||
36 : | %define %1 _%1 | ||
37 : | %endif | ||
38 : | edgomez | 851 | %else |
39 : | edgomez | 1535 | %ifdef MARK_FUNCS |
40 : | global %1:function | ||
41 : | %else | ||
42 : | global %1 | ||
43 : | %endif | ||
44 : | edgomez | 851 | %endif |
45 : | %endmacro | ||
46 : | edgomez | 1382 | |
47 : | ;============================================================================= | ||
48 : | ; Read only data | ||
49 : | ;============================================================================= | ||
50 : | |||
51 : | edgomez | 851 | %ifdef FORMAT_COFF |
52 : | edgomez | 1519 | SECTION .rodata |
53 : | edgomez | 851 | %else |
54 : | edgomez | 1519 | SECTION .rodata align=16 |
55 : | edgomez | 851 | %endif |
56 : | |||
57 : | edgomez | 1382 | ALIGN 16 |
58 : | mmx_one: | ||
59 : | times 8 db 1 | ||
60 : | edgomez | 851 | |
61 : | edgomez | 1382 | ALIGN 8 |
62 : | edgomez | 851 | mm_minusone: |
63 : | edgomez | 1382 | dd -1,-1 |
64 : | edgomez | 851 | |
65 : | edgomez | 1382 | ;============================================================================= |
66 : | ; Macros | ||
67 : | ;============================================================================= | ||
68 : | edgomez | 851 | |
69 : | edgomez | 1382 | %macro nop4 0 |
70 : | DB 08Dh,074h,026h,0 | ||
71 : | %endmacro | ||
72 : | |||
73 : | ;============================================================================= | ||
74 : | ; Macros | ||
75 : | ;============================================================================= | ||
76 : | |||
77 : | SECTION .text | ||
78 : | |||
79 : | edgomez | 851 | cglobal interpolate8x8_halfpel_h_3dne |
80 : | cglobal interpolate8x8_halfpel_v_3dne | ||
81 : | cglobal interpolate8x8_halfpel_hv_3dne | ||
82 : | |||
83 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
84 : | edgomez | 851 | ; |
85 : | ; void interpolate8x8_halfpel_h_3dne(uint8_t * const dst, | ||
86 : | edgomez | 1382 | ; const uint8_t * const src, |
87 : | ; const uint32_t stride, | ||
88 : | ; const uint32_t rounding); | ||
89 : | edgomez | 851 | ; |
90 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
91 : | edgomez | 851 | |
92 : | %macro COPY_H_SSE_RND0 1 | ||
93 : | %if (%1) | ||
94 : | edgomez | 1382 | movq mm0, [eax] |
95 : | edgomez | 851 | %else |
96 : | edgomez | 1382 | movq mm0, [dword eax] |
97 : | edgomez | 851 | %endif |
98 : | pavgb mm0, [eax+1] | ||
99 : | edgomez | 1382 | movq mm1, [eax+edx] |
100 : | edgomez | 851 | pavgb mm1, [eax+edx+1] |
101 : | edgomez | 1382 | lea eax, [eax+2*edx] |
102 : | movq [ecx], mm0 | ||
103 : | movq [ecx+edx], mm1 | ||
104 : | edgomez | 851 | %endmacro |
105 : | |||
106 : | %macro COPY_H_SSE_RND1 0 | ||
107 : | movq mm0, [eax] | ||
108 : | movq mm1, [eax+edx] | ||
109 : | movq mm4, mm0 | ||
110 : | movq mm5, mm1 | ||
111 : | edgomez | 1382 | movq mm2, [eax+1] |
112 : | edgomez | 851 | movq mm3, [eax+edx+1] |
113 : | pavgb mm0, mm2 | ||
114 : | pxor mm2, mm4 | ||
115 : | pavgb mm1, mm3 | ||
116 : | edgomez | 1382 | lea eax, [eax+2*edx] |
117 : | edgomez | 851 | pxor mm3, mm5 |
118 : | pand mm2, mm7 | ||
119 : | pand mm3, mm7 | ||
120 : | psubb mm0, mm2 | ||
121 : | movq [ecx], mm0 | ||
122 : | psubb mm1, mm3 | ||
123 : | edgomez | 1382 | movq [ecx+edx], mm1 |
124 : | edgomez | 851 | %endmacro |
125 : | |||
126 : | edgomez | 1382 | ALIGN 16 |
127 : | edgomez | 851 | interpolate8x8_halfpel_h_3dne: |
128 : | |||
129 : | mov eax, [esp+ 8] ; Src | ||
130 : | mov edx, [esp+12] ; stride | ||
131 : | dec dword [esp+16]; rounding | ||
132 : | |||
133 : | jz .rounding1 | ||
134 : | mov ecx, [esp+ 4] ; Dst | ||
135 : | |||
136 : | COPY_H_SSE_RND0 0 | ||
137 : | lea ecx,[ecx+2*edx] | ||
138 : | COPY_H_SSE_RND0 1 | ||
139 : | lea ecx,[ecx+2*edx] | ||
140 : | COPY_H_SSE_RND0 1 | ||
141 : | lea ecx,[ecx+2*edx] | ||
142 : | COPY_H_SSE_RND0 1 | ||
143 : | ret | ||
144 : | |||
145 : | .rounding1 | ||
146 : | edgomez | 1382 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
147 : | edgomez | 851 | mov ecx, [esp+ 4] ; Dst |
148 : | movq mm7, [mmx_one] | ||
149 : | COPY_H_SSE_RND1 | ||
150 : | lea ecx, [ecx+2*edx] | ||
151 : | COPY_H_SSE_RND1 | ||
152 : | lea ecx,[ecx+2*edx] | ||
153 : | COPY_H_SSE_RND1 | ||
154 : | lea ecx,[ecx+2*edx] | ||
155 : | COPY_H_SSE_RND1 | ||
156 : | ret | ||
157 : | |||
158 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
159 : | edgomez | 851 | ; |
160 : | ; void interpolate8x8_halfpel_v_3dne(uint8_t * const dst, | ||
161 : | edgomez | 1382 | ; const uint8_t * const src, |
162 : | ; const uint32_t stride, | ||
163 : | ; const uint32_t rounding); | ||
164 : | edgomez | 851 | ; |
165 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
166 : | edgomez | 851 | |
167 : | edgomez | 1382 | ALIGN 16 |
168 : | edgomez | 851 | interpolate8x8_halfpel_v_3dne: |
169 : | |||
170 : | mov eax, [esp+ 8] ; Src | ||
171 : | mov edx, [esp+12] ; stride | ||
172 : | dec dword [esp+16]; rounding | ||
173 : | |||
174 : | ; we process 2 line at a time | ||
175 : | |||
176 : | jz .rounding1 | ||
177 : | pxor mm2,mm2 | ||
178 : | edgomez | 1382 | movq mm0, [eax] |
179 : | movq mm1, [eax+edx] | ||
180 : | por mm2, [eax+2*edx] | ||
181 : | edgomez | 851 | mov ecx, [esp+ 4] ; Dst |
182 : | edgomez | 1382 | lea eax, [eax+2*edx] |
183 : | pxor mm4, mm4 | ||
184 : | edgomez | 851 | pavgb mm0, mm1 |
185 : | edgomez | 1382 | pavgb mm1, mm2 |
186 : | movq [byte ecx], mm0 | ||
187 : | movq [ecx+edx], mm1 | ||
188 : | pxor mm6, mm6 | ||
189 : | add eax, edx | ||
190 : | lea ecx, [ecx+2*edx] | ||
191 : | movq mm3, [byte eax] | ||
192 : | por mm4, [eax+edx] | ||
193 : | lea eax, [eax+2*edx] | ||
194 : | edgomez | 851 | pavgb mm2, mm3 |
195 : | pavgb mm3, mm4 | ||
196 : | edgomez | 1382 | movq [ecx], mm2 |
197 : | movq [ecx+edx], mm3 | ||
198 : | lea ecx, [byte ecx+2*edx] | ||
199 : | movq mm5, [byte eax] | ||
200 : | por mm6, [eax+edx] | ||
201 : | lea eax, [eax+2*edx] | ||
202 : | edgomez | 851 | pavgb mm4, mm5 |
203 : | pavgb mm5, mm6 | ||
204 : | edgomez | 1382 | movq [ecx], mm4 |
205 : | movq [ecx+edx], mm5 | ||
206 : | lea ecx, [ecx+2*edx] | ||
207 : | movq mm7, [eax] | ||
208 : | movq mm0, [eax+edx] | ||
209 : | edgomez | 851 | pavgb mm6, mm7 |
210 : | pavgb mm7, mm0 | ||
211 : | edgomez | 1382 | movq [ecx], mm6 |
212 : | movq [ecx+edx], mm7 | ||
213 : | edgomez | 851 | ret |
214 : | |||
215 : | edgomez | 1382 | ALIGN 8 |
216 : | edgomez | 851 | .rounding1 |
217 : | edgomez | 1382 | pcmpeqb mm0, mm0 |
218 : | psubusb mm0, [eax] | ||
219 : | add eax, edx | ||
220 : | edgomez | 851 | mov ecx, [esp+ 4] ; Dst |
221 : | push esi | ||
222 : | edgomez | 1382 | pcmpeqb mm1, mm1 |
223 : | pcmpeqb mm2, mm2 | ||
224 : | mov esi, mm_minusone | ||
225 : | psubusb mm1, [byte eax] | ||
226 : | psubusb mm2, [eax+edx] | ||
227 : | lea eax, [eax+2*edx] | ||
228 : | edgomez | 851 | movq mm6, [esi] |
229 : | movq mm7, [esi] | ||
230 : | pavgb mm0, mm1 | ||
231 : | pavgb mm1, mm2 | ||
232 : | edgomez | 1382 | psubusb mm6, mm0 |
233 : | psubusb mm7, mm1 | ||
234 : | edgomez | 851 | movq [ecx], mm6 |
235 : | movq [ecx+edx], mm7 | ||
236 : | edgomez | 1382 | lea ecx, [ecx+2*edx] |
237 : | pcmpeqb mm3, mm3 | ||
238 : | pcmpeqb mm4, mm4 | ||
239 : | psubusb mm3, [eax] | ||
240 : | psubusb mm4, [eax+edx] | ||
241 : | lea eax, [eax+2*edx] | ||
242 : | edgomez | 851 | pavgb mm2, mm3 |
243 : | pavgb mm3, mm4 | ||
244 : | movq mm0, [esi] | ||
245 : | movq mm1, [esi] | ||
246 : | edgomez | 1382 | psubusb mm0, mm2 |
247 : | psubusb mm1, mm3 | ||
248 : | edgomez | 851 | movq [ecx], mm0 |
249 : | movq [ecx+edx], mm1 | ||
250 : | lea ecx,[ecx+2*edx] | ||
251 : | |||
252 : | edgomez | 1382 | pcmpeqb mm5, mm5 |
253 : | pcmpeqb mm6, mm6 | ||
254 : | psubusb mm5, [eax] | ||
255 : | psubusb mm6, [eax+edx] | ||
256 : | lea eax, [eax+2*edx] | ||
257 : | edgomez | 851 | pavgb mm4, mm5 |
258 : | pavgb mm5, mm6 | ||
259 : | movq mm2, [esi] | ||
260 : | movq mm3, [esi] | ||
261 : | edgomez | 1382 | psubusb mm2, mm4 |
262 : | psubusb mm3, mm5 | ||
263 : | edgomez | 851 | movq [ecx], mm2 |
264 : | movq [ecx+edx], mm3 | ||
265 : | edgomez | 1382 | lea ecx, [ecx+2*edx] |
266 : | pcmpeqb mm7, mm7 | ||
267 : | pcmpeqb mm0, mm0 | ||
268 : | psubusb mm7, [eax] | ||
269 : | psubusb mm0, [eax+edx] | ||
270 : | edgomez | 851 | pavgb mm6, mm7 |
271 : | pavgb mm7, mm0 | ||
272 : | movq mm4, [esi] | ||
273 : | movq mm5, [esi] | ||
274 : | edgomez | 1382 | psubusb mm4, mm6 |
275 : | edgomez | 851 | pop esi |
276 : | edgomez | 1382 | psubusb mm5, mm7 |
277 : | edgomez | 851 | movq [ecx], mm4 |
278 : | movq [ecx+edx], mm5 | ||
279 : | ret | ||
280 : | edgomez | 1382 | |
281 : | ;----------------------------------------------------------------------------- | ||
282 : | edgomez | 851 | ; |
283 : | ; void interpolate8x8_halfpel_hv_3dne(uint8_t * const dst, | ||
284 : | edgomez | 1382 | ; const uint8_t * const src, |
285 : | ; const uint32_t stride, | ||
286 : | ; const uint32_t rounding); | ||
287 : | edgomez | 851 | ; |
288 : | ; | ||
289 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
290 : | edgomez | 851 | |
291 : | ; The trick is to correct the result of 'pavgb' with some combination of the | ||
292 : | ; lsb's of the 4 input values i,j,k,l, and their intermediate 'pavgb' (s and t). | ||
293 : | ; The boolean relations are: | ||
294 : | edgomez | 1382 | ; (i+j+k+l+3)/4 = (s+t+1)/2 - (ij&kl)&st |
295 : | edgomez | 851 | ; (i+j+k+l+2)/4 = (s+t+1)/2 - (ij|kl)&st |
296 : | ; (i+j+k+l+1)/4 = (s+t+1)/2 - (ij&kl)|st | ||
297 : | ; (i+j+k+l+0)/4 = (s+t+1)/2 - (ij|kl)|st | ||
298 : | ; with s=(i+j+1)/2, t=(k+l+1)/2, ij = i^j, kl = k^l, st = s^t. | ||
299 : | |||
300 : | ; Moreover, we process 2 lines at a times, for better overlapping (~15% faster). | ||
301 : | |||
302 : | %macro COPY_HV_SSE_RND0 0 | ||
303 : | |||
304 : | edgomez | 1382 | movq mm0, [eax+edx] |
305 : | movq mm1, [eax+edx+1] | ||
306 : | edgomez | 851 | |
307 : | edgomez | 1382 | movq mm6, mm0 |
308 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
309 : | lea eax, [eax+2*edx] | ||
310 : | pxor mm1, mm6 ; mm1=(j^k). preserved for next step | ||
311 : | edgomez | 851 | |
312 : | edgomez | 1382 | por mm3, mm1 ; ij |= jk |
313 : | movq mm6, mm2 | ||
314 : | pxor mm6, mm0 ; mm6 = s^t | ||
315 : | pand mm3, mm6 ; (ij|jk) &= st | ||
316 : | pavgb mm2, mm0 ; mm2 = (s+t+1)/2 | ||
317 : | movq mm6, [eax] | ||
318 : | pand mm3, mm7 ; mask lsb | ||
319 : | psubb mm2, mm3 ; apply. | ||
320 : | edgomez | 851 | |
321 : | edgomez | 1382 | movq [ecx], mm2 |
322 : | edgomez | 851 | |
323 : | edgomez | 1382 | movq mm2, [eax] |
324 : | movq mm3, [eax+1] | ||
325 : | pavgb mm2, mm3 ; preserved for next iteration | ||
326 : | pxor mm3, mm6 ; preserved for next iteration | ||
327 : | edgomez | 851 | |
328 : | edgomez | 1382 | por mm1, mm3 |
329 : | movq mm6, mm0 | ||
330 : | pxor mm6, mm2 | ||
331 : | pand mm1, mm6 | ||
332 : | pavgb mm0, mm2 | ||
333 : | edgomez | 851 | |
334 : | edgomez | 1382 | pand mm1, mm7 |
335 : | psubb mm0, mm1 | ||
336 : | edgomez | 851 | |
337 : | edgomez | 1382 | movq [ecx+edx], mm0 |
338 : | edgomez | 851 | %endmacro |
339 : | |||
340 : | %macro COPY_HV_SSE_RND1 0 | ||
341 : | edgomez | 1382 | movq mm0, [eax+edx] |
342 : | movq mm1, [eax+edx+1] | ||
343 : | edgomez | 851 | |
344 : | edgomez | 1382 | movq mm6, mm0 |
345 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
346 : | lea eax,[eax+2*edx] | ||
347 : | pxor mm1, mm6 ; mm1=(j^k). preserved for next step | ||
348 : | edgomez | 851 | |
349 : | edgomez | 1382 | pand mm3, mm1 |
350 : | movq mm6, mm2 | ||
351 : | pxor mm6, mm0 | ||
352 : | por mm3, mm6 | ||
353 : | pavgb mm2, mm0 | ||
354 : | movq mm6, [eax] | ||
355 : | pand mm3, mm7 | ||
356 : | psubb mm2, mm3 | ||
357 : | edgomez | 851 | |
358 : | edgomez | 1382 | movq [ecx], mm2 |
359 : | edgomez | 851 | |
360 : | edgomez | 1382 | movq mm2, [eax] |
361 : | movq mm3, [eax+1] | ||
362 : | pavgb mm2, mm3 ; preserved for next iteration | ||
363 : | pxor mm3, mm6 ; preserved for next iteration | ||
364 : | edgomez | 851 | |
365 : | edgomez | 1382 | pand mm1, mm3 |
366 : | movq mm6, mm0 | ||
367 : | pxor mm6, mm2 | ||
368 : | por mm1, mm6 | ||
369 : | pavgb mm0, mm2 | ||
370 : | pand mm1, mm7 | ||
371 : | psubb mm0, mm1 | ||
372 : | movq [ecx+edx], mm0 | ||
373 : | edgomez | 851 | %endmacro |
374 : | |||
375 : | edgomez | 1382 | ALIGN 16 |
376 : | edgomez | 851 | interpolate8x8_halfpel_hv_3dne: |
377 : | edgomez | 1382 | mov eax, [esp+ 8] ; Src |
378 : | mov edx, [esp+12] ; stride | ||
379 : | dec dword [esp+16] ; rounding | ||
380 : | edgomez | 851 | |
381 : | ; loop invariants: mm2=(i+j+1)/2 and mm3= i^j | ||
382 : | movq mm2, [eax] | ||
383 : | movq mm3, [eax+1] | ||
384 : | movq mm6, mm2 | ||
385 : | pavgb mm2, mm3 | ||
386 : | edgomez | 1382 | pxor mm3, mm6 ; mm2/mm3 ready |
387 : | mov ecx, [esp+ 4] ; Dst | ||
388 : | edgomez | 851 | movq mm7, [mmx_one] |
389 : | |||
390 : | jz near .rounding1 | ||
391 : | edgomez | 1382 | lea ebp,[byte ebp] |
392 : | edgomez | 851 | COPY_HV_SSE_RND0 |
393 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
394 : | edgomez | 851 | COPY_HV_SSE_RND0 |
395 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
396 : | edgomez | 851 | COPY_HV_SSE_RND0 |
397 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
398 : | edgomez | 851 | COPY_HV_SSE_RND0 |
399 : | ret | ||
400 : | |||
401 : | edgomez | 1382 | ALIGN 16 |
402 : | edgomez | 851 | .rounding1 |
403 : | COPY_HV_SSE_RND1 | ||
404 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
405 : | edgomez | 851 | COPY_HV_SSE_RND1 |
406 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
407 : | edgomez | 851 | COPY_HV_SSE_RND1 |
408 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
409 : | edgomez | 851 | COPY_HV_SSE_RND1 |
410 : | edgomez | 1382 | ret |
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