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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 : | edgomez | 1540 | global _%1:function %1.endfunc-%1 |
33 : | %define %1 _%1:function %1.endfunc-%1 | ||
34 : | Isibaar | 1793 | %define ENDFUNC .endfunc |
35 : | edgomez | 1535 | %else |
36 : | global _%1 | ||
37 : | %define %1 _%1 | ||
38 : | Isibaar | 1793 | %define ENDFUNC |
39 : | edgomez | 1535 | %endif |
40 : | edgomez | 851 | %else |
41 : | edgomez | 1535 | %ifdef MARK_FUNCS |
42 : | edgomez | 1540 | global %1:function %1.endfunc-%1 |
43 : | Isibaar | 1793 | %define ENDFUNC .endfunc |
44 : | edgomez | 1535 | %else |
45 : | global %1 | ||
46 : | Isibaar | 1793 | %define ENDFUNC |
47 : | edgomez | 1535 | %endif |
48 : | edgomez | 851 | %endif |
49 : | %endmacro | ||
50 : | edgomez | 1382 | |
51 : | ;============================================================================= | ||
52 : | ; Read only data | ||
53 : | ;============================================================================= | ||
54 : | |||
55 : | edgomez | 851 | %ifdef FORMAT_COFF |
56 : | edgomez | 1519 | SECTION .rodata |
57 : | edgomez | 851 | %else |
58 : | edgomez | 1519 | SECTION .rodata align=16 |
59 : | edgomez | 851 | %endif |
60 : | |||
61 : | edgomez | 1382 | ALIGN 16 |
62 : | mmx_one: | ||
63 : | times 8 db 1 | ||
64 : | edgomez | 851 | |
65 : | edgomez | 1382 | ALIGN 8 |
66 : | edgomez | 851 | mm_minusone: |
67 : | edgomez | 1382 | dd -1,-1 |
68 : | edgomez | 851 | |
69 : | edgomez | 1382 | ;============================================================================= |
70 : | ; Macros | ||
71 : | ;============================================================================= | ||
72 : | edgomez | 851 | |
73 : | edgomez | 1382 | %macro nop4 0 |
74 : | DB 08Dh,074h,026h,0 | ||
75 : | %endmacro | ||
76 : | |||
77 : | ;============================================================================= | ||
78 : | ; Macros | ||
79 : | ;============================================================================= | ||
80 : | |||
81 : | SECTION .text | ||
82 : | |||
83 : | edgomez | 851 | cglobal interpolate8x8_halfpel_h_3dne |
84 : | cglobal interpolate8x8_halfpel_v_3dne | ||
85 : | cglobal interpolate8x8_halfpel_hv_3dne | ||
86 : | |||
87 : | suxen_drol | 1632 | cglobal interpolate8x4_halfpel_h_3dne |
88 : | cglobal interpolate8x4_halfpel_v_3dne | ||
89 : | cglobal interpolate8x4_halfpel_hv_3dne | ||
90 : | |||
91 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
92 : | edgomez | 851 | ; |
93 : | ; void interpolate8x8_halfpel_h_3dne(uint8_t * const dst, | ||
94 : | edgomez | 1382 | ; const uint8_t * const src, |
95 : | ; const uint32_t stride, | ||
96 : | ; const uint32_t rounding); | ||
97 : | edgomez | 851 | ; |
98 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
99 : | edgomez | 851 | |
100 : | %macro COPY_H_SSE_RND0 1 | ||
101 : | %if (%1) | ||
102 : | edgomez | 1382 | movq mm0, [eax] |
103 : | edgomez | 851 | %else |
104 : | suxen_drol | 1787 | movq mm0, [eax+0] |
105 : | ; --- | ||
106 : | ; nasm >0.99.x rejects the original statement: | ||
107 : | ; movq mm0, [dword eax] | ||
108 : | ; as it is ambiguous. for this statement nasm <0.99.x would | ||
109 : | ; generate "movq mm0,[eax+0]" | ||
110 : | ; --- | ||
111 : | edgomez | 851 | %endif |
112 : | pavgb mm0, [eax+1] | ||
113 : | edgomez | 1382 | movq mm1, [eax+edx] |
114 : | edgomez | 851 | pavgb mm1, [eax+edx+1] |
115 : | edgomez | 1382 | lea eax, [eax+2*edx] |
116 : | movq [ecx], mm0 | ||
117 : | movq [ecx+edx], mm1 | ||
118 : | edgomez | 851 | %endmacro |
119 : | |||
120 : | %macro COPY_H_SSE_RND1 0 | ||
121 : | movq mm0, [eax] | ||
122 : | movq mm1, [eax+edx] | ||
123 : | movq mm4, mm0 | ||
124 : | movq mm5, mm1 | ||
125 : | edgomez | 1382 | movq mm2, [eax+1] |
126 : | edgomez | 851 | movq mm3, [eax+edx+1] |
127 : | pavgb mm0, mm2 | ||
128 : | pxor mm2, mm4 | ||
129 : | pavgb mm1, mm3 | ||
130 : | edgomez | 1382 | lea eax, [eax+2*edx] |
131 : | edgomez | 851 | pxor mm3, mm5 |
132 : | pand mm2, mm7 | ||
133 : | pand mm3, mm7 | ||
134 : | psubb mm0, mm2 | ||
135 : | movq [ecx], mm0 | ||
136 : | psubb mm1, mm3 | ||
137 : | edgomez | 1382 | movq [ecx+edx], mm1 |
138 : | edgomez | 851 | %endmacro |
139 : | |||
140 : | edgomez | 1382 | ALIGN 16 |
141 : | edgomez | 851 | interpolate8x8_halfpel_h_3dne: |
142 : | |||
143 : | mov eax, [esp+ 8] ; Src | ||
144 : | mov edx, [esp+12] ; stride | ||
145 : | dec dword [esp+16]; rounding | ||
146 : | |||
147 : | jz .rounding1 | ||
148 : | mov ecx, [esp+ 4] ; Dst | ||
149 : | |||
150 : | COPY_H_SSE_RND0 0 | ||
151 : | lea ecx,[ecx+2*edx] | ||
152 : | COPY_H_SSE_RND0 1 | ||
153 : | lea ecx,[ecx+2*edx] | ||
154 : | COPY_H_SSE_RND0 1 | ||
155 : | lea ecx,[ecx+2*edx] | ||
156 : | COPY_H_SSE_RND0 1 | ||
157 : | ret | ||
158 : | |||
159 : | Isibaar | 1793 | .rounding1: |
160 : | edgomez | 1382 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
161 : | edgomez | 851 | mov ecx, [esp+ 4] ; Dst |
162 : | movq mm7, [mmx_one] | ||
163 : | COPY_H_SSE_RND1 | ||
164 : | lea ecx, [ecx+2*edx] | ||
165 : | COPY_H_SSE_RND1 | ||
166 : | lea ecx,[ecx+2*edx] | ||
167 : | COPY_H_SSE_RND1 | ||
168 : | lea ecx,[ecx+2*edx] | ||
169 : | COPY_H_SSE_RND1 | ||
170 : | ret | ||
171 : | Isibaar | 1793 | ENDFUNC |
172 : | edgomez | 851 | |
173 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
174 : | edgomez | 851 | ; |
175 : | ; void interpolate8x8_halfpel_v_3dne(uint8_t * const dst, | ||
176 : | edgomez | 1382 | ; const uint8_t * const src, |
177 : | ; const uint32_t stride, | ||
178 : | ; const uint32_t rounding); | ||
179 : | edgomez | 851 | ; |
180 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
181 : | edgomez | 851 | |
182 : | edgomez | 1382 | ALIGN 16 |
183 : | edgomez | 851 | interpolate8x8_halfpel_v_3dne: |
184 : | |||
185 : | mov eax, [esp+ 8] ; Src | ||
186 : | mov edx, [esp+12] ; stride | ||
187 : | dec dword [esp+16]; rounding | ||
188 : | |||
189 : | ; we process 2 line at a time | ||
190 : | |||
191 : | jz .rounding1 | ||
192 : | pxor mm2,mm2 | ||
193 : | edgomez | 1382 | movq mm0, [eax] |
194 : | movq mm1, [eax+edx] | ||
195 : | por mm2, [eax+2*edx] | ||
196 : | edgomez | 851 | mov ecx, [esp+ 4] ; Dst |
197 : | edgomez | 1382 | lea eax, [eax+2*edx] |
198 : | pxor mm4, mm4 | ||
199 : | edgomez | 851 | pavgb mm0, mm1 |
200 : | edgomez | 1382 | pavgb mm1, mm2 |
201 : | movq [byte ecx], mm0 | ||
202 : | movq [ecx+edx], mm1 | ||
203 : | pxor mm6, mm6 | ||
204 : | add eax, edx | ||
205 : | lea ecx, [ecx+2*edx] | ||
206 : | movq mm3, [byte eax] | ||
207 : | por mm4, [eax+edx] | ||
208 : | lea eax, [eax+2*edx] | ||
209 : | edgomez | 851 | pavgb mm2, mm3 |
210 : | pavgb mm3, mm4 | ||
211 : | edgomez | 1382 | movq [ecx], mm2 |
212 : | movq [ecx+edx], mm3 | ||
213 : | lea ecx, [byte ecx+2*edx] | ||
214 : | movq mm5, [byte eax] | ||
215 : | por mm6, [eax+edx] | ||
216 : | lea eax, [eax+2*edx] | ||
217 : | edgomez | 851 | pavgb mm4, mm5 |
218 : | pavgb mm5, mm6 | ||
219 : | edgomez | 1382 | movq [ecx], mm4 |
220 : | movq [ecx+edx], mm5 | ||
221 : | lea ecx, [ecx+2*edx] | ||
222 : | movq mm7, [eax] | ||
223 : | movq mm0, [eax+edx] | ||
224 : | edgomez | 851 | pavgb mm6, mm7 |
225 : | pavgb mm7, mm0 | ||
226 : | edgomez | 1382 | movq [ecx], mm6 |
227 : | movq [ecx+edx], mm7 | ||
228 : | edgomez | 851 | ret |
229 : | |||
230 : | edgomez | 1382 | ALIGN 8 |
231 : | Isibaar | 1793 | .rounding1: |
232 : | edgomez | 1382 | pcmpeqb mm0, mm0 |
233 : | psubusb mm0, [eax] | ||
234 : | add eax, edx | ||
235 : | edgomez | 851 | mov ecx, [esp+ 4] ; Dst |
236 : | push esi | ||
237 : | edgomez | 1382 | pcmpeqb mm1, mm1 |
238 : | pcmpeqb mm2, mm2 | ||
239 : | mov esi, mm_minusone | ||
240 : | psubusb mm1, [byte eax] | ||
241 : | psubusb mm2, [eax+edx] | ||
242 : | lea eax, [eax+2*edx] | ||
243 : | edgomez | 851 | movq mm6, [esi] |
244 : | movq mm7, [esi] | ||
245 : | pavgb mm0, mm1 | ||
246 : | pavgb mm1, mm2 | ||
247 : | edgomez | 1382 | psubusb mm6, mm0 |
248 : | psubusb mm7, mm1 | ||
249 : | edgomez | 851 | movq [ecx], mm6 |
250 : | movq [ecx+edx], mm7 | ||
251 : | edgomez | 1382 | lea ecx, [ecx+2*edx] |
252 : | pcmpeqb mm3, mm3 | ||
253 : | pcmpeqb mm4, mm4 | ||
254 : | psubusb mm3, [eax] | ||
255 : | psubusb mm4, [eax+edx] | ||
256 : | lea eax, [eax+2*edx] | ||
257 : | edgomez | 851 | pavgb mm2, mm3 |
258 : | pavgb mm3, mm4 | ||
259 : | movq mm0, [esi] | ||
260 : | movq mm1, [esi] | ||
261 : | edgomez | 1382 | psubusb mm0, mm2 |
262 : | psubusb mm1, mm3 | ||
263 : | edgomez | 851 | movq [ecx], mm0 |
264 : | movq [ecx+edx], mm1 | ||
265 : | lea ecx,[ecx+2*edx] | ||
266 : | |||
267 : | edgomez | 1382 | pcmpeqb mm5, mm5 |
268 : | pcmpeqb mm6, mm6 | ||
269 : | psubusb mm5, [eax] | ||
270 : | psubusb mm6, [eax+edx] | ||
271 : | lea eax, [eax+2*edx] | ||
272 : | edgomez | 851 | pavgb mm4, mm5 |
273 : | pavgb mm5, mm6 | ||
274 : | movq mm2, [esi] | ||
275 : | movq mm3, [esi] | ||
276 : | edgomez | 1382 | psubusb mm2, mm4 |
277 : | psubusb mm3, mm5 | ||
278 : | edgomez | 851 | movq [ecx], mm2 |
279 : | movq [ecx+edx], mm3 | ||
280 : | edgomez | 1382 | lea ecx, [ecx+2*edx] |
281 : | pcmpeqb mm7, mm7 | ||
282 : | pcmpeqb mm0, mm0 | ||
283 : | psubusb mm7, [eax] | ||
284 : | psubusb mm0, [eax+edx] | ||
285 : | edgomez | 851 | pavgb mm6, mm7 |
286 : | pavgb mm7, mm0 | ||
287 : | movq mm4, [esi] | ||
288 : | movq mm5, [esi] | ||
289 : | edgomez | 1382 | psubusb mm4, mm6 |
290 : | edgomez | 851 | pop esi |
291 : | edgomez | 1382 | psubusb mm5, mm7 |
292 : | edgomez | 851 | movq [ecx], mm4 |
293 : | movq [ecx+edx], mm5 | ||
294 : | ret | ||
295 : | Isibaar | 1793 | ENDFUNC |
296 : | edgomez | 1382 | |
297 : | ;----------------------------------------------------------------------------- | ||
298 : | edgomez | 851 | ; |
299 : | ; void interpolate8x8_halfpel_hv_3dne(uint8_t * const dst, | ||
300 : | edgomez | 1382 | ; const uint8_t * const src, |
301 : | ; const uint32_t stride, | ||
302 : | ; const uint32_t rounding); | ||
303 : | edgomez | 851 | ; |
304 : | ; | ||
305 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
306 : | edgomez | 851 | |
307 : | ; The trick is to correct the result of 'pavgb' with some combination of the | ||
308 : | ; lsb's of the 4 input values i,j,k,l, and their intermediate 'pavgb' (s and t). | ||
309 : | ; The boolean relations are: | ||
310 : | edgomez | 1382 | ; (i+j+k+l+3)/4 = (s+t+1)/2 - (ij&kl)&st |
311 : | edgomez | 851 | ; (i+j+k+l+2)/4 = (s+t+1)/2 - (ij|kl)&st |
312 : | ; (i+j+k+l+1)/4 = (s+t+1)/2 - (ij&kl)|st | ||
313 : | ; (i+j+k+l+0)/4 = (s+t+1)/2 - (ij|kl)|st | ||
314 : | ; with s=(i+j+1)/2, t=(k+l+1)/2, ij = i^j, kl = k^l, st = s^t. | ||
315 : | |||
316 : | ; Moreover, we process 2 lines at a times, for better overlapping (~15% faster). | ||
317 : | |||
318 : | %macro COPY_HV_SSE_RND0 0 | ||
319 : | |||
320 : | edgomez | 1382 | movq mm0, [eax+edx] |
321 : | movq mm1, [eax+edx+1] | ||
322 : | edgomez | 851 | |
323 : | edgomez | 1382 | movq mm6, mm0 |
324 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
325 : | lea eax, [eax+2*edx] | ||
326 : | pxor mm1, mm6 ; mm1=(j^k). preserved for next step | ||
327 : | edgomez | 851 | |
328 : | edgomez | 1382 | por mm3, mm1 ; ij |= jk |
329 : | movq mm6, mm2 | ||
330 : | pxor mm6, mm0 ; mm6 = s^t | ||
331 : | pand mm3, mm6 ; (ij|jk) &= st | ||
332 : | pavgb mm2, mm0 ; mm2 = (s+t+1)/2 | ||
333 : | movq mm6, [eax] | ||
334 : | pand mm3, mm7 ; mask lsb | ||
335 : | psubb mm2, mm3 ; apply. | ||
336 : | edgomez | 851 | |
337 : | edgomez | 1382 | movq [ecx], mm2 |
338 : | edgomez | 851 | |
339 : | edgomez | 1382 | movq mm2, [eax] |
340 : | movq mm3, [eax+1] | ||
341 : | pavgb mm2, mm3 ; preserved for next iteration | ||
342 : | pxor mm3, mm6 ; preserved for next iteration | ||
343 : | edgomez | 851 | |
344 : | edgomez | 1382 | por mm1, mm3 |
345 : | movq mm6, mm0 | ||
346 : | pxor mm6, mm2 | ||
347 : | pand mm1, mm6 | ||
348 : | pavgb mm0, mm2 | ||
349 : | edgomez | 851 | |
350 : | edgomez | 1382 | pand mm1, mm7 |
351 : | psubb mm0, mm1 | ||
352 : | edgomez | 851 | |
353 : | edgomez | 1382 | movq [ecx+edx], mm0 |
354 : | edgomez | 851 | %endmacro |
355 : | |||
356 : | %macro COPY_HV_SSE_RND1 0 | ||
357 : | edgomez | 1382 | movq mm0, [eax+edx] |
358 : | movq mm1, [eax+edx+1] | ||
359 : | edgomez | 851 | |
360 : | edgomez | 1382 | movq mm6, mm0 |
361 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
362 : | lea eax,[eax+2*edx] | ||
363 : | pxor mm1, mm6 ; mm1=(j^k). preserved for next step | ||
364 : | edgomez | 851 | |
365 : | edgomez | 1382 | pand mm3, mm1 |
366 : | movq mm6, mm2 | ||
367 : | pxor mm6, mm0 | ||
368 : | por mm3, mm6 | ||
369 : | pavgb mm2, mm0 | ||
370 : | movq mm6, [eax] | ||
371 : | pand mm3, mm7 | ||
372 : | psubb mm2, mm3 | ||
373 : | edgomez | 851 | |
374 : | edgomez | 1382 | movq [ecx], mm2 |
375 : | edgomez | 851 | |
376 : | edgomez | 1382 | movq mm2, [eax] |
377 : | movq mm3, [eax+1] | ||
378 : | pavgb mm2, mm3 ; preserved for next iteration | ||
379 : | pxor mm3, mm6 ; preserved for next iteration | ||
380 : | edgomez | 851 | |
381 : | edgomez | 1382 | pand mm1, mm3 |
382 : | movq mm6, mm0 | ||
383 : | pxor mm6, mm2 | ||
384 : | por mm1, mm6 | ||
385 : | pavgb mm0, mm2 | ||
386 : | pand mm1, mm7 | ||
387 : | psubb mm0, mm1 | ||
388 : | movq [ecx+edx], mm0 | ||
389 : | edgomez | 851 | %endmacro |
390 : | |||
391 : | edgomez | 1382 | ALIGN 16 |
392 : | edgomez | 851 | interpolate8x8_halfpel_hv_3dne: |
393 : | edgomez | 1382 | mov eax, [esp+ 8] ; Src |
394 : | mov edx, [esp+12] ; stride | ||
395 : | dec dword [esp+16] ; rounding | ||
396 : | edgomez | 851 | |
397 : | ; loop invariants: mm2=(i+j+1)/2 and mm3= i^j | ||
398 : | movq mm2, [eax] | ||
399 : | movq mm3, [eax+1] | ||
400 : | movq mm6, mm2 | ||
401 : | pavgb mm2, mm3 | ||
402 : | edgomez | 1382 | pxor mm3, mm6 ; mm2/mm3 ready |
403 : | mov ecx, [esp+ 4] ; Dst | ||
404 : | edgomez | 851 | movq mm7, [mmx_one] |
405 : | |||
406 : | jz near .rounding1 | ||
407 : | edgomez | 1382 | lea ebp,[byte ebp] |
408 : | edgomez | 851 | COPY_HV_SSE_RND0 |
409 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
410 : | edgomez | 851 | COPY_HV_SSE_RND0 |
411 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
412 : | edgomez | 851 | COPY_HV_SSE_RND0 |
413 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
414 : | edgomez | 851 | COPY_HV_SSE_RND0 |
415 : | ret | ||
416 : | |||
417 : | edgomez | 1382 | ALIGN 16 |
418 : | Isibaar | 1793 | .rounding1: |
419 : | edgomez | 851 | COPY_HV_SSE_RND1 |
420 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
421 : | edgomez | 851 | COPY_HV_SSE_RND1 |
422 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
423 : | edgomez | 851 | COPY_HV_SSE_RND1 |
424 : | edgomez | 1382 | lea ecx,[ecx+2*edx] |
425 : | edgomez | 851 | COPY_HV_SSE_RND1 |
426 : | edgomez | 1382 | ret |
427 : | Isibaar | 1793 | ENDFUNC |
428 : | edgomez | 1540 | |
429 : | suxen_drol | 1632 | ;----------------------------------------------------------------------------- |
430 : | ; | ||
431 : | ; void interpolate8x4_halfpel_h_3dne(uint8_t * const dst, | ||
432 : | ; const uint8_t * const src, | ||
433 : | ; const uint32_t stride, | ||
434 : | ; const uint32_t rounding); | ||
435 : | ; | ||
436 : | ;----------------------------------------------------------------------------- | ||
437 : | |||
438 : | ALIGN 16 | ||
439 : | interpolate8x4_halfpel_h_3dne: | ||
440 : | |||
441 : | mov eax, [esp+ 8] ; Src | ||
442 : | mov edx, [esp+12] ; stride | ||
443 : | dec dword [esp+16]; rounding | ||
444 : | |||
445 : | jz .rounding1 | ||
446 : | mov ecx, [esp+ 4] ; Dst | ||
447 : | |||
448 : | COPY_H_SSE_RND0 0 | ||
449 : | lea ecx,[ecx+2*edx] | ||
450 : | COPY_H_SSE_RND0 1 | ||
451 : | ret | ||
452 : | |||
453 : | Isibaar | 1793 | .rounding1: |
454 : | suxen_drol | 1632 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
455 : | mov ecx, [esp+ 4] ; Dst | ||
456 : | movq mm7, [mmx_one] | ||
457 : | COPY_H_SSE_RND1 | ||
458 : | lea ecx, [ecx+2*edx] | ||
459 : | COPY_H_SSE_RND1 | ||
460 : | ret | ||
461 : | Isibaar | 1793 | ENDFUNC |
462 : | suxen_drol | 1632 | |
463 : | ;----------------------------------------------------------------------------- | ||
464 : | ; | ||
465 : | ; void interpolate8x4_halfpel_v_3dne(uint8_t * const dst, | ||
466 : | ; const uint8_t * const src, | ||
467 : | ; const uint32_t stride, | ||
468 : | ; const uint32_t rounding); | ||
469 : | ; | ||
470 : | ;----------------------------------------------------------------------------- | ||
471 : | |||
472 : | ALIGN 16 | ||
473 : | interpolate8x4_halfpel_v_3dne: | ||
474 : | |||
475 : | mov eax, [esp+ 8] ; Src | ||
476 : | mov edx, [esp+12] ; stride | ||
477 : | dec dword [esp+16]; rounding | ||
478 : | |||
479 : | ; we process 2 line at a time | ||
480 : | |||
481 : | jz .rounding1 | ||
482 : | pxor mm2,mm2 | ||
483 : | movq mm0, [eax] | ||
484 : | movq mm1, [eax+edx] | ||
485 : | por mm2, [eax+2*edx] ; Something like preload (pipelining) | ||
486 : | mov ecx, [esp+ 4] ; Dst | ||
487 : | lea eax, [eax+2*edx] | ||
488 : | pxor mm4, mm4 | ||
489 : | pavgb mm0, mm1 | ||
490 : | pavgb mm1, mm2 | ||
491 : | movq [byte ecx], mm0 | ||
492 : | movq [ecx+edx], mm1 | ||
493 : | |||
494 : | pxor mm6, mm6 | ||
495 : | add eax, edx | ||
496 : | lea ecx, [ecx+2*edx] | ||
497 : | movq mm3, [byte eax] | ||
498 : | por mm4, [eax+edx] | ||
499 : | lea eax, [eax+2*edx] | ||
500 : | pavgb mm2, mm3 | ||
501 : | pavgb mm3, mm4 | ||
502 : | movq [ecx], mm2 | ||
503 : | movq [ecx+edx], mm3 | ||
504 : | |||
505 : | ret | ||
506 : | |||
507 : | ALIGN 8 | ||
508 : | Isibaar | 1793 | .rounding1: |
509 : | suxen_drol | 1632 | pcmpeqb mm0, mm0 |
510 : | psubusb mm0, [eax] ; eax==line0 | ||
511 : | add eax, edx ; eax==line1 | ||
512 : | mov ecx, [esp+ 4] ; Dst | ||
513 : | |||
514 : | push esi | ||
515 : | |||
516 : | pcmpeqb mm1, mm1 | ||
517 : | pcmpeqb mm2, mm2 | ||
518 : | mov esi, mm_minusone | ||
519 : | psubusb mm1, [byte eax] ; line1 | ||
520 : | psubusb mm2, [eax+edx] ; line2 | ||
521 : | lea eax, [eax+2*edx] ; eax==line3 | ||
522 : | movq mm6, [esi] | ||
523 : | movq mm7, [esi] | ||
524 : | pavgb mm0, mm1 | ||
525 : | pavgb mm1, mm2 | ||
526 : | psubusb mm6, mm0 | ||
527 : | psubusb mm7, mm1 | ||
528 : | movq [ecx], mm6 ; store line0 | ||
529 : | movq [ecx+edx], mm7 ; store line1 | ||
530 : | |||
531 : | lea ecx, [ecx+2*edx] | ||
532 : | pcmpeqb mm3, mm3 | ||
533 : | pcmpeqb mm4, mm4 | ||
534 : | psubusb mm3, [eax] ; line3 | ||
535 : | psubusb mm4, [eax+edx] ; line4 | ||
536 : | lea eax, [eax+2*edx] ; eax==line 5 | ||
537 : | pavgb mm2, mm3 | ||
538 : | pavgb mm3, mm4 | ||
539 : | movq mm0, [esi] | ||
540 : | movq mm1, [esi] | ||
541 : | psubusb mm0, mm2 | ||
542 : | psubusb mm1, mm3 | ||
543 : | movq [ecx], mm0 | ||
544 : | movq [ecx+edx], mm1 | ||
545 : | |||
546 : | pop esi | ||
547 : | |||
548 : | ret | ||
549 : | |||
550 : | Isibaar | 1793 | ENDFUNC |
551 : | suxen_drol | 1632 | |
552 : | ;----------------------------------------------------------------------------- | ||
553 : | ; | ||
554 : | ; void interpolate8x4_halfpel_hv_3dne(uint8_t * const dst, | ||
555 : | ; const uint8_t * const src, | ||
556 : | ; const uint32_t stride, | ||
557 : | ; const uint32_t rounding); | ||
558 : | ; | ||
559 : | ; | ||
560 : | ;----------------------------------------------------------------------------- | ||
561 : | |||
562 : | ALIGN 16 | ||
563 : | interpolate8x4_halfpel_hv_3dne: | ||
564 : | mov eax, [esp+ 8] ; Src | ||
565 : | mov edx, [esp+12] ; stride | ||
566 : | dec dword [esp+16] ; rounding | ||
567 : | |||
568 : | ; loop invariants: mm2=(i+j+1)/2 and mm3= i^j | ||
569 : | movq mm2, [eax] | ||
570 : | movq mm3, [eax+1] | ||
571 : | movq mm6, mm2 | ||
572 : | pavgb mm2, mm3 | ||
573 : | pxor mm3, mm6 ; mm2/mm3 ready | ||
574 : | mov ecx, [esp+ 4] ; Dst | ||
575 : | movq mm7, [mmx_one] | ||
576 : | |||
577 : | jz near .rounding1 | ||
578 : | lea ebp,[byte ebp] | ||
579 : | COPY_HV_SSE_RND0 | ||
580 : | lea ecx,[ecx+2*edx] | ||
581 : | COPY_HV_SSE_RND0 | ||
582 : | ret | ||
583 : | |||
584 : | ALIGN 16 | ||
585 : | Isibaar | 1793 | .rounding1: |
586 : | suxen_drol | 1632 | COPY_HV_SSE_RND1 |
587 : | lea ecx,[ecx+2*edx] | ||
588 : | COPY_HV_SSE_RND1 | ||
589 : | ret | ||
590 : | Isibaar | 1793 | ENDFUNC |
591 : | suxen_drol | 1632 | |
592 : | Isibaar | 1790 | |
593 : | %ifidn __OUTPUT_FORMAT__,elf | ||
594 : | section ".note.GNU-stack" noalloc noexec nowrite progbits | ||
595 : | %endif | ||
596 : |
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