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1 : | edgomez | 1.5 | ;/***************************************************************************** |
2 : | Isibaar | 1.1 | ; * |
3 : | edgomez | 1.5 | ; * XVID MPEG-4 VIDEO CODEC |
4 : | ; * - mmx 8x8 block-based halfpel interpolation - | ||
5 : | Isibaar | 1.1 | ; * |
6 : | Isibaar | 1.13 | ; * Copyright(C) 2002-2008 Michael Militzer <michael@xvid.org> |
7 : | edgomez | 1.5 | ; * 2002 Pascal Massimino <skal@planet-d.net> |
8 : | Isibaar | 1.1 | ; * |
9 : | edgomez | 1.5 | ; * 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 | 1.5 | ; * 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 | 1.5 | ; * 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 | 1.4 | ; * |
23 : | edgomez | 1.5 | ; ****************************************************************************/ |
24 : | edgomez | 1.4 | |
25 : | Isibaar | 1.13 | %include "nasm.inc" |
26 : | Isibaar | 1.1 | |
27 : | edgomez | 1.5 | ;============================================================================= |
28 : | ; Read only data | ||
29 : | ;============================================================================= | ||
30 : | |||
31 : | Isibaar | 1.13 | DATA |
32 : | edgomez | 1.5 | |
33 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
34 : | edgomez | 1.5 | mmx_one: |
35 : | times 8 db 1 | ||
36 : | Isibaar | 1.1 | |
37 : | Isibaar | 1.14 | TEXT |
38 : | Isibaar | 1.1 | |
39 : | cglobal interpolate8x8_halfpel_h_xmm | ||
40 : | cglobal interpolate8x8_halfpel_v_xmm | ||
41 : | cglobal interpolate8x8_halfpel_hv_xmm | ||
42 : | |||
43 : | suxen_drol | 1.10 | cglobal interpolate8x4_halfpel_h_xmm |
44 : | cglobal interpolate8x4_halfpel_v_xmm | ||
45 : | cglobal interpolate8x4_halfpel_hv_xmm | ||
46 : | |||
47 : | edgomez | 1.7 | cglobal interpolate8x8_halfpel_add_xmm |
48 : | cglobal interpolate8x8_halfpel_h_add_xmm | ||
49 : | cglobal interpolate8x8_halfpel_v_add_xmm | ||
50 : | cglobal interpolate8x8_halfpel_hv_add_xmm | ||
51 : | |||
52 : | Isibaar | 1.1 | ;=========================================================================== |
53 : | ; | ||
54 : | ; void interpolate8x8_halfpel_h_xmm(uint8_t * const dst, | ||
55 : | ; const uint8_t * const src, | ||
56 : | ; const uint32_t stride, | ||
57 : | ; const uint32_t rounding); | ||
58 : | ; | ||
59 : | ;=========================================================================== | ||
60 : | |||
61 : | %macro COPY_H_SSE_RND0 0 | ||
62 : | Isibaar | 1.13 | movq mm0, [_EAX] |
63 : | pavgb mm0, [_EAX+1] | ||
64 : | movq mm1, [_EAX+TMP1] | ||
65 : | pavgb mm1, [_EAX+TMP1+1] | ||
66 : | lea _EAX,[_EAX+2*TMP1] | ||
67 : | movq [TMP0],mm0 | ||
68 : | movq [TMP0+TMP1],mm1 | ||
69 : | Isibaar | 1.1 | %endmacro |
70 : | |||
71 : | %macro COPY_H_SSE_RND1 0 | ||
72 : | Isibaar | 1.13 | movq mm0, [_EAX] |
73 : | movq mm1, [_EAX+TMP1] | ||
74 : | Isibaar | 1.1 | movq mm4, mm0 |
75 : | movq mm5, mm1 | ||
76 : | Isibaar | 1.13 | movq mm2, [_EAX+1] |
77 : | movq mm3, [_EAX+TMP1+1] | ||
78 : | Isibaar | 1.1 | pavgb mm0, mm2 |
79 : | pxor mm2, mm4 | ||
80 : | pavgb mm1, mm3 | ||
81 : | Isibaar | 1.13 | lea _EAX, [_EAX+2*TMP1] |
82 : | Isibaar | 1.1 | pxor mm3, mm5 |
83 : | pand mm2, mm7 | ||
84 : | pand mm3, mm7 | ||
85 : | psubb mm0, mm2 | ||
86 : | Isibaar | 1.13 | movq [TMP0], mm0 |
87 : | Isibaar | 1.1 | psubb mm1, mm3 |
88 : | Isibaar | 1.13 | movq [TMP0+TMP1], mm1 |
89 : | Isibaar | 1.1 | %endmacro |
90 : | |||
91 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
92 : | Isibaar | 1.1 | interpolate8x8_halfpel_h_xmm: |
93 : | |||
94 : | Isibaar | 1.13 | mov _EAX, prm4 ; rounding |
95 : | mov TMP0, prm1 ; Dst | ||
96 : | test _EAX,_EAX | ||
97 : | mov _EAX, prm2 ; Src | ||
98 : | mov TMP1, prm3 ; stride | ||
99 : | Isibaar | 1.1 | |
100 : | jnz near .rounding1 | ||
101 : | |||
102 : | COPY_H_SSE_RND0 | ||
103 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
104 : | Isibaar | 1.1 | COPY_H_SSE_RND0 |
105 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
106 : | Isibaar | 1.1 | COPY_H_SSE_RND0 |
107 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
108 : | Isibaar | 1.1 | COPY_H_SSE_RND0 |
109 : | ret | ||
110 : | |||
111 : | Isibaar | 1.12 | .rounding1: |
112 : | edgomez | 1.5 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
113 : | Isibaar | 1.1 | movq mm7, [mmx_one] |
114 : | COPY_H_SSE_RND1 | ||
115 : | Isibaar | 1.13 | lea TMP0, [TMP0+2*TMP1] |
116 : | Isibaar | 1.1 | COPY_H_SSE_RND1 |
117 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
118 : | Isibaar | 1.1 | COPY_H_SSE_RND1 |
119 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
120 : | Isibaar | 1.1 | COPY_H_SSE_RND1 |
121 : | ret | ||
122 : | Isibaar | 1.12 | ENDFUNC |
123 : | Isibaar | 1.1 | |
124 : | ;=========================================================================== | ||
125 : | ; | ||
126 : | ; void interpolate8x8_halfpel_v_xmm(uint8_t * const dst, | ||
127 : | edgomez | 1.5 | ; const uint8_t * const src, |
128 : | ; const uint32_t stride, | ||
129 : | ; const uint32_t rounding); | ||
130 : | Isibaar | 1.1 | ; |
131 : | ;=========================================================================== | ||
132 : | |||
133 : | %macro COPY_V_SSE_RND0 0 | ||
134 : | Isibaar | 1.13 | movq mm0, [_EAX] |
135 : | movq mm1, [_EAX+TMP1] | ||
136 : | Isibaar | 1.1 | pavgb mm0, mm1 |
137 : | Isibaar | 1.13 | pavgb mm1, [_EAX+2*TMP1] |
138 : | lea _EAX, [_EAX+2*TMP1] | ||
139 : | movq [TMP0], mm0 | ||
140 : | movq [TMP0+TMP1],mm1 | ||
141 : | Isibaar | 1.1 | %endmacro |
142 : | |||
143 : | %macro COPY_V_SSE_RND1 0 | ||
144 : | movq mm0, mm2 | ||
145 : | Isibaar | 1.13 | movq mm1, [_EAX] |
146 : | movq mm2, [_EAX+TMP1] | ||
147 : | lea _EAX,[_EAX+2*TMP1] | ||
148 : | Isibaar | 1.1 | movq mm4, mm0 |
149 : | movq mm5, mm1 | ||
150 : | pavgb mm0, mm1 | ||
151 : | edgomez | 1.5 | pxor mm4, mm1 |
152 : | Isibaar | 1.1 | pavgb mm1, mm2 |
153 : | pxor mm5, mm2 | ||
154 : | edgomez | 1.5 | pand mm4, mm7 ; lsb's of (i^j)... |
155 : | pand mm5, mm7 ; lsb's of (i^j)... | ||
156 : | psubb mm0, mm4 ; ...are substracted from result of pavgb | ||
157 : | Isibaar | 1.13 | movq [TMP0], mm0 |
158 : | edgomez | 1.5 | psubb mm1, mm5 ; ...are substracted from result of pavgb |
159 : | Isibaar | 1.13 | movq [TMP0+TMP1], mm1 |
160 : | Isibaar | 1.1 | %endmacro |
161 : | |||
162 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
163 : | Isibaar | 1.1 | interpolate8x8_halfpel_v_xmm: |
164 : | |||
165 : | Isibaar | 1.13 | mov _EAX, prm4 ; rounding |
166 : | mov TMP0, prm1 ; Dst | ||
167 : | test _EAX,_EAX | ||
168 : | mov _EAX, prm2 ; Src | ||
169 : | mov TMP1, prm3 ; stride | ||
170 : | Isibaar | 1.1 | |
171 : | edgomez | 1.5 | ; we process 2 line at a time |
172 : | Isibaar | 1.1 | jnz near .rounding1 |
173 : | |||
174 : | COPY_V_SSE_RND0 | ||
175 : | Isibaar | 1.13 | lea TMP0, [TMP0+2*TMP1] |
176 : | Isibaar | 1.1 | COPY_V_SSE_RND0 |
177 : | Isibaar | 1.13 | lea TMP0, [TMP0+2*TMP1] |
178 : | Isibaar | 1.1 | COPY_V_SSE_RND0 |
179 : | Isibaar | 1.13 | lea TMP0, [TMP0+2*TMP1] |
180 : | Isibaar | 1.1 | COPY_V_SSE_RND0 |
181 : | ret | ||
182 : | |||
183 : | Isibaar | 1.12 | .rounding1: |
184 : | edgomez | 1.5 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
185 : | Isibaar | 1.1 | movq mm7, [mmx_one] |
186 : | Isibaar | 1.13 | movq mm2, [_EAX] ; loop invariant |
187 : | add _EAX, TMP1 | ||
188 : | Isibaar | 1.1 | |
189 : | COPY_V_SSE_RND1 | ||
190 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
191 : | Isibaar | 1.1 | COPY_V_SSE_RND1 |
192 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
193 : | Isibaar | 1.1 | COPY_V_SSE_RND1 |
194 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
195 : | Isibaar | 1.1 | COPY_V_SSE_RND1 |
196 : | ret | ||
197 : | Isibaar | 1.12 | ENDFUNC |
198 : | Isibaar | 1.1 | |
199 : | ;=========================================================================== | ||
200 : | ; | ||
201 : | ; void interpolate8x8_halfpel_hv_xmm(uint8_t * const dst, | ||
202 : | edgomez | 1.5 | ; const uint8_t * const src, |
203 : | ; const uint32_t stride, | ||
204 : | ; const uint32_t rounding); | ||
205 : | Isibaar | 1.1 | ; |
206 : | ; | ||
207 : | ;=========================================================================== | ||
208 : | |||
209 : | ; The trick is to correct the result of 'pavgb' with some combination of the | ||
210 : | ; lsb's of the 4 input values i,j,k,l, and their intermediate 'pavgb' (s and t). | ||
211 : | ; The boolean relations are: | ||
212 : | edgomez | 1.5 | ; (i+j+k+l+3)/4 = (s+t+1)/2 - (ij&kl)&st |
213 : | Isibaar | 1.1 | ; (i+j+k+l+2)/4 = (s+t+1)/2 - (ij|kl)&st |
214 : | ; (i+j+k+l+1)/4 = (s+t+1)/2 - (ij&kl)|st | ||
215 : | ; (i+j+k+l+0)/4 = (s+t+1)/2 - (ij|kl)|st | ||
216 : | ; with s=(i+j+1)/2, t=(k+l+1)/2, ij = i^j, kl = k^l, st = s^t. | ||
217 : | |||
218 : | ; Moreover, we process 2 lines at a times, for better overlapping (~15% faster). | ||
219 : | |||
220 : | %macro COPY_HV_SSE_RND0 0 | ||
221 : | Isibaar | 1.13 | lea _EAX, [_EAX+TMP1] |
222 : | Isibaar | 1.1 | |
223 : | Isibaar | 1.13 | movq mm0, [_EAX] |
224 : | movq mm1, [_EAX+1] | ||
225 : | Isibaar | 1.1 | |
226 : | edgomez | 1.5 | movq mm6, mm0 |
227 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
228 : | Isibaar | 1.13 | lea _EAX, [_EAX+TMP1] |
229 : | edgomez | 1.5 | pxor mm1, mm6 ; mm1=(j^k). preserved for next step |
230 : | Isibaar | 1.1 | |
231 : | edgomez | 1.5 | por mm3, mm1 ; ij |= jk |
232 : | movq mm6, mm2 | ||
233 : | pxor mm6, mm0 ; mm6 = s^t | ||
234 : | pand mm3, mm6 ; (ij|jk) &= st | ||
235 : | pavgb mm2, mm0 ; mm2 = (s+t+1)/2 | ||
236 : | pand mm3, mm7 ; mask lsb | ||
237 : | psubb mm2, mm3 ; apply. | ||
238 : | |||
239 : | Isibaar | 1.13 | movq [TMP0], mm2 |
240 : | Isibaar | 1.1 | |
241 : | Isibaar | 1.13 | movq mm2, [_EAX] |
242 : | movq mm3, [_EAX+1] | ||
243 : | edgomez | 1.5 | movq mm6, mm2 |
244 : | pavgb mm2, mm3 ; preserved for next iteration | ||
245 : | Isibaar | 1.13 | lea TMP0,[TMP0+TMP1] |
246 : | edgomez | 1.5 | pxor mm3, mm6 ; preserved for next iteration |
247 : | |||
248 : | por mm1, mm3 | ||
249 : | movq mm6, mm0 | ||
250 : | pxor mm6, mm2 | ||
251 : | pand mm1, mm6 | ||
252 : | pavgb mm0, mm2 | ||
253 : | |||
254 : | pand mm1, mm7 | ||
255 : | psubb mm0, mm1 | ||
256 : | |||
257 : | Isibaar | 1.13 | movq [TMP0], mm0 |
258 : | Isibaar | 1.1 | %endmacro |
259 : | |||
260 : | %macro COPY_HV_SSE_RND1 0 | ||
261 : | Isibaar | 1.13 | lea _EAX, [_EAX+TMP1] |
262 : | edgomez | 1.5 | |
263 : | Isibaar | 1.13 | movq mm0, [_EAX] |
264 : | movq mm1, [_EAX+1] | ||
265 : | Isibaar | 1.1 | |
266 : | edgomez | 1.5 | movq mm6, mm0 |
267 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
268 : | Isibaar | 1.13 | lea _EAX, [_EAX+TMP1] |
269 : | edgomez | 1.5 | pxor mm1, mm6 ; mm1=(j^k). preserved for next step |
270 : | Isibaar | 1.1 | |
271 : | edgomez | 1.5 | pand mm3, mm1 |
272 : | movq mm6, mm2 | ||
273 : | pxor mm6, mm0 | ||
274 : | por mm3, mm6 | ||
275 : | pavgb mm2, mm0 | ||
276 : | pand mm3, mm7 | ||
277 : | psubb mm2, mm3 | ||
278 : | |||
279 : | Isibaar | 1.13 | movq [TMP0], mm2 |
280 : | Isibaar | 1.1 | |
281 : | Isibaar | 1.13 | movq mm2, [_EAX] |
282 : | movq mm3, [_EAX+1] | ||
283 : | edgomez | 1.5 | movq mm6, mm2 |
284 : | pavgb mm2, mm3 ; preserved for next iteration | ||
285 : | Isibaar | 1.13 | lea TMP0,[TMP0+TMP1] |
286 : | edgomez | 1.5 | pxor mm3, mm6 ; preserved for next iteration |
287 : | |||
288 : | pand mm1, mm3 | ||
289 : | movq mm6, mm0 | ||
290 : | pxor mm6, mm2 | ||
291 : | por mm1, mm6 | ||
292 : | pavgb mm0, mm2 | ||
293 : | pand mm1, mm7 | ||
294 : | psubb mm0, mm1 | ||
295 : | |||
296 : | Isibaar | 1.13 | movq [TMP0], mm0 |
297 : | Isibaar | 1.1 | %endmacro |
298 : | |||
299 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
300 : | Isibaar | 1.1 | interpolate8x8_halfpel_hv_xmm: |
301 : | Isibaar | 1.13 | mov _EAX, prm4 ; rounding |
302 : | mov TMP0, prm1 ; Dst | ||
303 : | test _EAX, _EAX | ||
304 : | mov _EAX, prm2 ; Src | ||
305 : | mov TMP1, prm3 ; stride | ||
306 : | Isibaar | 1.1 | |
307 : | movq mm7, [mmx_one] | ||
308 : | |||
309 : | ; loop invariants: mm2=(i+j+1)/2 and mm3= i^j | ||
310 : | Isibaar | 1.13 | movq mm2, [_EAX] |
311 : | movq mm3, [_EAX+1] | ||
312 : | Isibaar | 1.1 | movq mm6, mm2 |
313 : | pavgb mm2, mm3 | ||
314 : | edgomez | 1.5 | pxor mm3, mm6 ; mm2/mm3 ready |
315 : | Isibaar | 1.1 | |
316 : | jnz near .rounding1 | ||
317 : | |||
318 : | COPY_HV_SSE_RND0 | ||
319 : | Isibaar | 1.13 | add TMP0, TMP1 |
320 : | Isibaar | 1.1 | COPY_HV_SSE_RND0 |
321 : | Isibaar | 1.13 | add TMP0, TMP1 |
322 : | Isibaar | 1.1 | COPY_HV_SSE_RND0 |
323 : | Isibaar | 1.13 | add TMP0, TMP1 |
324 : | Isibaar | 1.1 | COPY_HV_SSE_RND0 |
325 : | ret | ||
326 : | |||
327 : | Isibaar | 1.12 | .rounding1: |
328 : | Isibaar | 1.1 | COPY_HV_SSE_RND1 |
329 : | Isibaar | 1.13 | add TMP0, TMP1 |
330 : | Isibaar | 1.1 | COPY_HV_SSE_RND1 |
331 : | Isibaar | 1.13 | add TMP0, TMP1 |
332 : | Isibaar | 1.1 | COPY_HV_SSE_RND1 |
333 : | Isibaar | 1.13 | add TMP0, TMP1 |
334 : | Isibaar | 1.1 | COPY_HV_SSE_RND1 |
335 : | edgomez | 1.5 | ret |
336 : | Isibaar | 1.12 | ENDFUNC |
337 : | edgomez | 1.7 | |
338 : | ;=========================================================================== | ||
339 : | ; | ||
340 : | suxen_drol | 1.10 | ; void interpolate8x4_halfpel_h_xmm(uint8_t * const dst, |
341 : | ; const uint8_t * const src, | ||
342 : | ; const uint32_t stride, | ||
343 : | ; const uint32_t rounding); | ||
344 : | ; | ||
345 : | ;=========================================================================== | ||
346 : | |||
347 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
348 : | suxen_drol | 1.10 | interpolate8x4_halfpel_h_xmm: |
349 : | |||
350 : | Isibaar | 1.13 | mov _EAX, prm4 ; rounding |
351 : | mov TMP0, prm1 ; Dst | ||
352 : | test _EAX,_EAX | ||
353 : | mov _EAX, prm2 ; Src | ||
354 : | mov TMP1, prm3 ; stride | ||
355 : | suxen_drol | 1.10 | |
356 : | jnz near .rounding1 | ||
357 : | |||
358 : | COPY_H_SSE_RND0 | ||
359 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
360 : | suxen_drol | 1.10 | COPY_H_SSE_RND0 |
361 : | ret | ||
362 : | |||
363 : | Isibaar | 1.12 | .rounding1: |
364 : | suxen_drol | 1.10 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
365 : | movq mm7, [mmx_one] | ||
366 : | COPY_H_SSE_RND1 | ||
367 : | Isibaar | 1.13 | lea TMP0, [TMP0+2*TMP1] |
368 : | suxen_drol | 1.10 | COPY_H_SSE_RND1 |
369 : | ret | ||
370 : | Isibaar | 1.12 | ENDFUNC |
371 : | suxen_drol | 1.10 | |
372 : | ;=========================================================================== | ||
373 : | ; | ||
374 : | ; void interpolate8x4_halfpel_v_xmm(uint8_t * const dst, | ||
375 : | ; const uint8_t * const src, | ||
376 : | ; const uint32_t stride, | ||
377 : | ; const uint32_t rounding); | ||
378 : | ; | ||
379 : | ;=========================================================================== | ||
380 : | |||
381 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
382 : | suxen_drol | 1.10 | interpolate8x4_halfpel_v_xmm: |
383 : | |||
384 : | Isibaar | 1.13 | mov _EAX, prm4 ; rounding |
385 : | mov TMP0, prm1 ; Dst | ||
386 : | test _EAX,_EAX | ||
387 : | mov _EAX, prm2 ; Src | ||
388 : | mov TMP1, prm3 ; stride | ||
389 : | suxen_drol | 1.10 | |
390 : | ; we process 2 line at a time | ||
391 : | jnz near .rounding1 | ||
392 : | |||
393 : | COPY_V_SSE_RND0 | ||
394 : | Isibaar | 1.13 | lea TMP0, [TMP0+2*TMP1] |
395 : | suxen_drol | 1.10 | COPY_V_SSE_RND0 |
396 : | ret | ||
397 : | |||
398 : | Isibaar | 1.12 | .rounding1: |
399 : | suxen_drol | 1.10 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
400 : | movq mm7, [mmx_one] | ||
401 : | Isibaar | 1.13 | movq mm2, [_EAX] ; loop invariant |
402 : | add _EAX, TMP1 | ||
403 : | suxen_drol | 1.10 | |
404 : | COPY_V_SSE_RND1 | ||
405 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
406 : | suxen_drol | 1.10 | COPY_V_SSE_RND1 |
407 : | ret | ||
408 : | Isibaar | 1.12 | ENDFUNC |
409 : | suxen_drol | 1.10 | |
410 : | ;=========================================================================== | ||
411 : | ; | ||
412 : | ; void interpolate8x4_halfpel_hv_xmm(uint8_t * const dst, | ||
413 : | ; const uint8_t * const src, | ||
414 : | ; const uint32_t stride, | ||
415 : | ; const uint32_t rounding); | ||
416 : | ; | ||
417 : | ; | ||
418 : | ;=========================================================================== | ||
419 : | |||
420 : | ; The trick is to correct the result of 'pavgb' with some combination of the | ||
421 : | ; lsb's of the 4 input values i,j,k,l, and their intermediate 'pavgb' (s and t). | ||
422 : | ; The boolean relations are: | ||
423 : | ; (i+j+k+l+3)/4 = (s+t+1)/2 - (ij&kl)&st | ||
424 : | ; (i+j+k+l+2)/4 = (s+t+1)/2 - (ij|kl)&st | ||
425 : | ; (i+j+k+l+1)/4 = (s+t+1)/2 - (ij&kl)|st | ||
426 : | ; (i+j+k+l+0)/4 = (s+t+1)/2 - (ij|kl)|st | ||
427 : | ; with s=(i+j+1)/2, t=(k+l+1)/2, ij = i^j, kl = k^l, st = s^t. | ||
428 : | |||
429 : | ; Moreover, we process 2 lines at a times, for better overlapping (~15% faster). | ||
430 : | |||
431 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
432 : | suxen_drol | 1.10 | interpolate8x4_halfpel_hv_xmm: |
433 : | Isibaar | 1.13 | mov _EAX, prm4 ; rounding |
434 : | mov TMP0, prm1 ; Dst | ||
435 : | test _EAX, _EAX | ||
436 : | mov _EAX, prm2 ; Src | ||
437 : | mov TMP1, prm3 ; stride | ||
438 : | suxen_drol | 1.10 | |
439 : | movq mm7, [mmx_one] | ||
440 : | |||
441 : | ; loop invariants: mm2=(i+j+1)/2 and mm3= i^j | ||
442 : | Isibaar | 1.13 | movq mm2, [_EAX] |
443 : | movq mm3, [_EAX+1] | ||
444 : | suxen_drol | 1.10 | movq mm6, mm2 |
445 : | pavgb mm2, mm3 | ||
446 : | pxor mm3, mm6 ; mm2/mm3 ready | ||
447 : | |||
448 : | jnz near .rounding1 | ||
449 : | |||
450 : | COPY_HV_SSE_RND0 | ||
451 : | Isibaar | 1.13 | add TMP0, TMP1 |
452 : | suxen_drol | 1.10 | COPY_HV_SSE_RND0 |
453 : | ret | ||
454 : | |||
455 : | Isibaar | 1.12 | .rounding1: |
456 : | suxen_drol | 1.10 | COPY_HV_SSE_RND1 |
457 : | Isibaar | 1.13 | add TMP0, TMP1 |
458 : | suxen_drol | 1.10 | COPY_HV_SSE_RND1 |
459 : | ret | ||
460 : | Isibaar | 1.12 | ENDFUNC |
461 : | suxen_drol | 1.10 | |
462 : | ;=========================================================================== | ||
463 : | ; | ||
464 : | edgomez | 1.7 | ; The next functions combine both source halfpel interpolation step and the |
465 : | ; averaging (with rouding) step to avoid wasting memory bandwidth computing | ||
466 : | ; intermediate halfpel images and then averaging them. | ||
467 : | ; | ||
468 : | ;=========================================================================== | ||
469 : | |||
470 : | %macro PROLOG0 0 | ||
471 : | Isibaar | 1.13 | mov TMP0, prm1 ; Dst |
472 : | mov _EAX, prm2 ; Src | ||
473 : | mov TMP1, prm3 ; BpS | ||
474 : | edgomez | 1.7 | %endmacro |
475 : | %macro PROLOG1 0 | ||
476 : | PROLOG0 | ||
477 : | Isibaar | 1.13 | test prm4d, 1; Rounding? |
478 : | edgomez | 1.7 | %endmacro |
479 : | %macro EPILOG 0 | ||
480 : | ret | ||
481 : | %endmacro | ||
482 : | |||
483 : | ;=========================================================================== | ||
484 : | ; | ||
485 : | ; void interpolate8x8_halfpel_add_xmm(uint8_t * const dst, | ||
486 : | ; const uint8_t * const src, | ||
487 : | ; const uint32_t stride, | ||
488 : | ; const uint32_t rounding); | ||
489 : | ; | ||
490 : | ; | ||
491 : | ;=========================================================================== | ||
492 : | |||
493 : | %macro ADD_FF 2 | ||
494 : | Isibaar | 1.13 | movq mm0, [_EAX+%1] |
495 : | movq mm1, [_EAX+%2] | ||
496 : | edgomez | 1.7 | ;;--- |
497 : | ;; movq mm2, mm0 | ||
498 : | ;; movq mm3, mm1 | ||
499 : | ;;--- | ||
500 : | Isibaar | 1.13 | pavgb mm0, [TMP0+%1] |
501 : | pavgb mm1, [TMP0+%2] | ||
502 : | edgomez | 1.7 | ;;-- |
503 : | Isibaar | 1.13 | ;; por mm2, [TMP0+%1] |
504 : | ;; por mm3, [TMP0+%2] | ||
505 : | edgomez | 1.7 | ;; pand mm2, [mmx_one] |
506 : | ;; pand mm3, [mmx_one] | ||
507 : | ;; psubsb mm0, mm2 | ||
508 : | ;; psubsb mm1, mm3 | ||
509 : | ;;-- | ||
510 : | Isibaar | 1.13 | movq [TMP0+%1], mm0 |
511 : | movq [TMP0+%2], mm1 | ||
512 : | edgomez | 1.7 | %endmacro |
513 : | |||
514 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
515 : | edgomez | 1.7 | interpolate8x8_halfpel_add_xmm: ; 23c |
516 : | PROLOG1 | ||
517 : | Isibaar | 1.13 | ADD_FF 0, TMP1 |
518 : | lea _EAX,[_EAX+2*TMP1] | ||
519 : | lea TMP0,[TMP0+2*TMP1] | ||
520 : | ADD_FF 0, TMP1 | ||
521 : | lea _EAX,[_EAX+2*TMP1] | ||
522 : | lea TMP0,[TMP0+2*TMP1] | ||
523 : | ADD_FF 0, TMP1 | ||
524 : | lea _EAX,[_EAX+2*TMP1] | ||
525 : | lea TMP0,[TMP0+2*TMP1] | ||
526 : | ADD_FF 0, TMP1 | ||
527 : | edgomez | 1.7 | EPILOG |
528 : | Isibaar | 1.12 | ENDFUNC |
529 : | edgomez | 1.7 | |
530 : | ;=========================================================================== | ||
531 : | ; | ||
532 : | ; void interpolate8x8_halfpel_h_add_xmm(uint8_t * const dst, | ||
533 : | ; const uint8_t * const src, | ||
534 : | ; const uint32_t stride, | ||
535 : | ; const uint32_t rounding); | ||
536 : | ; | ||
537 : | ; | ||
538 : | ;=========================================================================== | ||
539 : | |||
540 : | |||
541 : | %macro ADD_FH_RND0 2 | ||
542 : | Isibaar | 1.13 | movq mm0, [_EAX+%1] |
543 : | movq mm1, [_EAX+%2] | ||
544 : | pavgb mm0, [_EAX+%1+1] | ||
545 : | pavgb mm1, [_EAX+%2+1] | ||
546 : | pavgb mm0, [TMP0+%1] | ||
547 : | pavgb mm1, [TMP0+%2] | ||
548 : | movq [TMP0+%1],mm0 | ||
549 : | movq [TMP0+%2],mm1 | ||
550 : | edgomez | 1.7 | %endmacro |
551 : | |||
552 : | %macro ADD_FH_RND1 2 | ||
553 : | Isibaar | 1.13 | movq mm0, [_EAX+%1] |
554 : | movq mm1, [_EAX+%2] | ||
555 : | edgomez | 1.7 | movq mm4, mm0 |
556 : | movq mm5, mm1 | ||
557 : | Isibaar | 1.13 | movq mm2, [_EAX+%1+1] |
558 : | movq mm3, [_EAX+%2+1] | ||
559 : | edgomez | 1.7 | pavgb mm0, mm2 |
560 : | ; lea ?? | ||
561 : | pxor mm2, mm4 | ||
562 : | pavgb mm1, mm3 | ||
563 : | pxor mm3, mm5 | ||
564 : | pand mm2, [mmx_one] | ||
565 : | pand mm3, [mmx_one] | ||
566 : | psubb mm0, mm2 | ||
567 : | psubb mm1, mm3 | ||
568 : | Isibaar | 1.13 | pavgb mm0, [TMP0+%1] |
569 : | pavgb mm1, [TMP0+%2] | ||
570 : | movq [TMP0+%1],mm0 | ||
571 : | movq [TMP0+%2],mm1 | ||
572 : | edgomez | 1.7 | %endmacro |
573 : | |||
574 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
575 : | edgomez | 1.7 | interpolate8x8_halfpel_h_add_xmm: ; 32c |
576 : | PROLOG1 | ||
577 : | jnz near .Loop1 | ||
578 : | Isibaar | 1.13 | ADD_FH_RND0 0, TMP1 |
579 : | lea _EAX,[_EAX+2*TMP1] | ||
580 : | lea TMP0,[TMP0+2*TMP1] | ||
581 : | ADD_FH_RND0 0, TMP1 | ||
582 : | lea _EAX,[_EAX+2*TMP1] | ||
583 : | lea TMP0,[TMP0+2*TMP1] | ||
584 : | ADD_FH_RND0 0, TMP1 | ||
585 : | lea _EAX,[_EAX+2*TMP1] | ||
586 : | lea TMP0,[TMP0+2*TMP1] | ||
587 : | ADD_FH_RND0 0, TMP1 | ||
588 : | edgomez | 1.7 | EPILOG |
589 : | |||
590 : | Isibaar | 1.12 | .Loop1: |
591 : | edgomez | 1.7 | ; we use: (i+j)/2 = ( i+j+1 )/2 - (i^j)&1 |
592 : | ; movq mm7, [mmx_one] | ||
593 : | Isibaar | 1.13 | ADD_FH_RND1 0, TMP1 |
594 : | lea _EAX,[_EAX+2*TMP1] | ||
595 : | lea TMP0,[TMP0+2*TMP1] | ||
596 : | ADD_FH_RND1 0, TMP1 | ||
597 : | lea _EAX,[_EAX+2*TMP1] | ||
598 : | lea TMP0,[TMP0+2*TMP1] | ||
599 : | ADD_FH_RND1 0, TMP1 | ||
600 : | lea _EAX,[_EAX+2*TMP1] | ||
601 : | lea TMP0,[TMP0+2*TMP1] | ||
602 : | ADD_FH_RND1 0, TMP1 | ||
603 : | edgomez | 1.7 | EPILOG |
604 : | Isibaar | 1.12 | ENDFUNC |
605 : | edgomez | 1.7 | |
606 : | |||
607 : | ;=========================================================================== | ||
608 : | ; | ||
609 : | ; void interpolate8x8_halfpel_v_add_xmm(uint8_t * const dst, | ||
610 : | ; const uint8_t * const src, | ||
611 : | ; const uint32_t stride, | ||
612 : | ; const uint32_t rounding); | ||
613 : | ; | ||
614 : | ; | ||
615 : | ;=========================================================================== | ||
616 : | |||
617 : | %macro ADD_8_HF_RND0 0 | ||
618 : | Isibaar | 1.13 | movq mm0, [_EAX] |
619 : | movq mm1, [_EAX+TMP1] | ||
620 : | edgomez | 1.7 | pavgb mm0, mm1 |
621 : | Isibaar | 1.13 | pavgb mm1, [_EAX+2*TMP1] |
622 : | lea _EAX,[_EAX+2*TMP1] | ||
623 : | pavgb mm0, [TMP0] | ||
624 : | pavgb mm1, [TMP0+TMP1] | ||
625 : | movq [TMP0],mm0 | ||
626 : | movq [TMP0+TMP1],mm1 | ||
627 : | edgomez | 1.7 | %endmacro |
628 : | |||
629 : | %macro ADD_8_HF_RND1 0 | ||
630 : | Isibaar | 1.13 | movq mm1, [_EAX+TMP1] |
631 : | movq mm2, [_EAX+2*TMP1] | ||
632 : | lea _EAX,[_EAX+2*TMP1] | ||
633 : | edgomez | 1.7 | movq mm4, mm0 |
634 : | movq mm5, mm1 | ||
635 : | pavgb mm0, mm1 | ||
636 : | pxor mm4, mm1 | ||
637 : | pavgb mm1, mm2 | ||
638 : | pxor mm5, mm2 | ||
639 : | pand mm4, mm7 ; lsb's of (i^j)... | ||
640 : | pand mm5, mm7 ; lsb's of (i^j)... | ||
641 : | psubb mm0, mm4 ; ...are substracted from result of pavgb | ||
642 : | Isibaar | 1.13 | pavgb mm0, [TMP0] |
643 : | movq [TMP0], mm0 | ||
644 : | edgomez | 1.7 | psubb mm1, mm5 ; ...are substracted from result of pavgb |
645 : | Isibaar | 1.13 | pavgb mm1, [TMP0+TMP1] |
646 : | movq [TMP0+TMP1], mm1 | ||
647 : | edgomez | 1.7 | %endmacro |
648 : | |||
649 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
650 : | edgomez | 1.7 | interpolate8x8_halfpel_v_add_xmm: |
651 : | PROLOG1 | ||
652 : | |||
653 : | jnz near .Loop1 | ||
654 : | pxor mm7, mm7 ; this is a NOP | ||
655 : | |||
656 : | ADD_8_HF_RND0 | ||
657 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
658 : | edgomez | 1.7 | ADD_8_HF_RND0 |
659 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
660 : | edgomez | 1.7 | ADD_8_HF_RND0 |
661 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
662 : | edgomez | 1.7 | ADD_8_HF_RND0 |
663 : | EPILOG | ||
664 : | |||
665 : | Isibaar | 1.12 | .Loop1: |
666 : | Isibaar | 1.13 | movq mm0, [_EAX] ; loop invariant |
667 : | edgomez | 1.7 | movq mm7, [mmx_one] |
668 : | |||
669 : | ADD_8_HF_RND1 | ||
670 : | movq mm0, mm2 | ||
671 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
672 : | edgomez | 1.7 | ADD_8_HF_RND1 |
673 : | movq mm0, mm2 | ||
674 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
675 : | edgomez | 1.7 | ADD_8_HF_RND1 |
676 : | movq mm0, mm2 | ||
677 : | Isibaar | 1.13 | lea TMP0,[TMP0+2*TMP1] |
678 : | edgomez | 1.7 | ADD_8_HF_RND1 |
679 : | EPILOG | ||
680 : | Isibaar | 1.12 | ENDFUNC |
681 : | edgomez | 1.7 | |
682 : | ; The trick is to correct the result of 'pavgb' with some combination of the | ||
683 : | ; lsb's of the 4 input values i,j,k,l, and their intermediate 'pavgb' (s and t). | ||
684 : | ; The boolean relations are: | ||
685 : | ; (i+j+k+l+3)/4 = (s+t+1)/2 - (ij&kl)&st | ||
686 : | ; (i+j+k+l+2)/4 = (s+t+1)/2 - (ij|kl)&st | ||
687 : | ; (i+j+k+l+1)/4 = (s+t+1)/2 - (ij&kl)|st | ||
688 : | ; (i+j+k+l+0)/4 = (s+t+1)/2 - (ij|kl)|st | ||
689 : | ; with s=(i+j+1)/2, t=(k+l+1)/2, ij = i^j, kl = k^l, st = s^t. | ||
690 : | |||
691 : | ; Moreover, we process 2 lines at a times, for better overlapping (~15% faster). | ||
692 : | |||
693 : | ;=========================================================================== | ||
694 : | ; | ||
695 : | ; void interpolate8x8_halfpel_hv_add_xmm(uint8_t * const dst, | ||
696 : | ; const uint8_t * const src, | ||
697 : | ; const uint32_t stride, | ||
698 : | ; const uint32_t rounding); | ||
699 : | ; | ||
700 : | ; | ||
701 : | ;=========================================================================== | ||
702 : | |||
703 : | %macro ADD_HH_RND0 0 | ||
704 : | Isibaar | 1.13 | lea _EAX,[_EAX+TMP1] |
705 : | edgomez | 1.7 | |
706 : | Isibaar | 1.13 | movq mm0, [_EAX] |
707 : | movq mm1, [_EAX+1] | ||
708 : | edgomez | 1.7 | |
709 : | movq mm6, mm0 | ||
710 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
711 : | Isibaar | 1.13 | lea _EAX,[_EAX+TMP1] |
712 : | edgomez | 1.7 | pxor mm1, mm6 ; mm1=(j^k). preserved for next step |
713 : | |||
714 : | por mm3, mm1 ; ij |= jk | ||
715 : | movq mm6, mm2 | ||
716 : | pxor mm6, mm0 ; mm6 = s^t | ||
717 : | pand mm3, mm6 ; (ij|jk) &= st | ||
718 : | pavgb mm2, mm0 ; mm2 = (s+t+1)/2 | ||
719 : | pand mm3, mm7 ; mask lsb | ||
720 : | psubb mm2, mm3 ; apply. | ||
721 : | |||
722 : | Isibaar | 1.13 | pavgb mm2, [TMP0] |
723 : | movq [TMP0], mm2 | ||
724 : | edgomez | 1.7 | |
725 : | Isibaar | 1.13 | movq mm2, [_EAX] |
726 : | movq mm3, [_EAX+1] | ||
727 : | edgomez | 1.7 | movq mm6, mm2 |
728 : | pavgb mm2, mm3 ; preserved for next iteration | ||
729 : | Isibaar | 1.13 | lea TMP0,[TMP0+TMP1] |
730 : | edgomez | 1.7 | pxor mm3, mm6 ; preserved for next iteration |
731 : | |||
732 : | por mm1, mm3 | ||
733 : | movq mm6, mm0 | ||
734 : | pxor mm6, mm2 | ||
735 : | pand mm1, mm6 | ||
736 : | pavgb mm0, mm2 | ||
737 : | |||
738 : | pand mm1, mm7 | ||
739 : | psubb mm0, mm1 | ||
740 : | |||
741 : | Isibaar | 1.13 | pavgb mm0, [TMP0] |
742 : | movq [TMP0], mm0 | ||
743 : | edgomez | 1.7 | %endmacro |
744 : | |||
745 : | %macro ADD_HH_RND1 0 | ||
746 : | Isibaar | 1.13 | lea _EAX,[_EAX+TMP1] |
747 : | edgomez | 1.7 | |
748 : | Isibaar | 1.13 | movq mm0, [_EAX] |
749 : | movq mm1, [_EAX+1] | ||
750 : | edgomez | 1.7 | |
751 : | movq mm6, mm0 | ||
752 : | pavgb mm0, mm1 ; mm0=(j+k+1)/2. preserved for next step | ||
753 : | Isibaar | 1.13 | lea _EAX,[_EAX+TMP1] |
754 : | edgomez | 1.7 | pxor mm1, mm6 ; mm1=(j^k). preserved for next step |
755 : | |||
756 : | pand mm3, mm1 | ||
757 : | movq mm6, mm2 | ||
758 : | pxor mm6, mm0 | ||
759 : | por mm3, mm6 | ||
760 : | pavgb mm2, mm0 | ||
761 : | pand mm3, mm7 | ||
762 : | psubb mm2, mm3 | ||
763 : | |||
764 : | Isibaar | 1.13 | pavgb mm2, [TMP0] |
765 : | movq [TMP0], mm2 | ||
766 : | edgomez | 1.7 | |
767 : | Isibaar | 1.13 | movq mm2, [_EAX] |
768 : | movq mm3, [_EAX+1] | ||
769 : | edgomez | 1.7 | movq mm6, mm2 |
770 : | pavgb mm2, mm3 ; preserved for next iteration | ||
771 : | Isibaar | 1.13 | lea TMP0,[TMP0+TMP1] |
772 : | edgomez | 1.7 | pxor mm3, mm6 ; preserved for next iteration |
773 : | |||
774 : | pand mm1, mm3 | ||
775 : | movq mm6, mm0 | ||
776 : | pxor mm6, mm2 | ||
777 : | por mm1, mm6 | ||
778 : | pavgb mm0, mm2 | ||
779 : | pand mm1, mm7 | ||
780 : | psubb mm0, mm1 | ||
781 : | |||
782 : | Isibaar | 1.13 | pavgb mm0, [TMP0] |
783 : | movq [TMP0], mm0 | ||
784 : | edgomez | 1.7 | %endmacro |
785 : | |||
786 : | Isibaar | 1.13 | ALIGN SECTION_ALIGN |
787 : | edgomez | 1.7 | interpolate8x8_halfpel_hv_add_xmm: |
788 : | PROLOG1 | ||
789 : | |||
790 : | movq mm7, [mmx_one] | ||
791 : | |||
792 : | ; loop invariants: mm2=(i+j+1)/2 and mm3= i^j | ||
793 : | Isibaar | 1.13 | movq mm2, [_EAX] |
794 : | movq mm3, [_EAX+1] | ||
795 : | edgomez | 1.7 | movq mm6, mm2 |
796 : | pavgb mm2, mm3 | ||
797 : | pxor mm3, mm6 ; mm2/mm3 ready | ||
798 : | |||
799 : | jnz near .Loop1 | ||
800 : | |||
801 : | ADD_HH_RND0 | ||
802 : | Isibaar | 1.13 | add TMP0, TMP1 |
803 : | edgomez | 1.7 | ADD_HH_RND0 |
804 : | Isibaar | 1.13 | add TMP0, TMP1 |
805 : | edgomez | 1.7 | ADD_HH_RND0 |
806 : | Isibaar | 1.13 | add TMP0, TMP1 |
807 : | edgomez | 1.7 | ADD_HH_RND0 |
808 : | EPILOG | ||
809 : | |||
810 : | Isibaar | 1.12 | .Loop1: |
811 : | edgomez | 1.7 | ADD_HH_RND1 |
812 : | Isibaar | 1.13 | add TMP0, TMP1 |
813 : | edgomez | 1.7 | ADD_HH_RND1 |
814 : | Isibaar | 1.13 | add TMP0, TMP1 |
815 : | edgomez | 1.7 | ADD_HH_RND1 |
816 : | Isibaar | 1.13 | add TMP0, TMP1 |
817 : | edgomez | 1.7 | ADD_HH_RND1 |
818 : | |||
819 : | EPILOG | ||
820 : | Isibaar | 1.12 | ENDFUNC |
821 : | edgomez | 1.9 | |
822 : | Isibaar | 1.15 | NON_EXEC_STACK |
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