| 1 | ;****************************************************************************** |
| 2 | ;* VP9 loop filter SIMD optimizations |
| 3 | ;* |
| 4 | ;* Copyright (C) 2013-2014 Clément Bœsch <u pkh me> |
| 5 | ;* |
| 6 | ;* This file is part of FFmpeg. |
| 7 | ;* |
| 8 | ;* FFmpeg is free software; you can redistribute it and/or |
| 9 | ;* modify it under the terms of the GNU Lesser General Public |
| 10 | ;* License as published by the Free Software Foundation; either |
| 11 | ;* version 2.1 of the License, or (at your option) any later version. |
| 12 | ;* |
| 13 | ;* FFmpeg 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 GNU |
| 16 | ;* Lesser General Public License for more details. |
| 17 | ;* |
| 18 | ;* You should have received a copy of the GNU Lesser General Public |
| 19 | ;* License along with FFmpeg; if not, write to the Free Software |
| 20 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | ;****************************************************************************** |
| 22 | |
| 23 | %include "libavutil/x86/x86util.asm" |
| 24 | |
| 25 | %if ARCH_X86_64 |
| 26 | |
| 27 | SECTION_RODATA |
| 28 | |
| 29 | cextern pb_3 |
| 30 | cextern pb_80 |
| 31 | |
| 32 | pb_4: times 16 db 0x04 |
| 33 | pb_10: times 16 db 0x10 |
| 34 | pb_40: times 16 db 0x40 |
| 35 | pb_81: times 16 db 0x81 |
| 36 | pb_f8: times 16 db 0xf8 |
| 37 | pb_fe: times 16 db 0xfe |
| 38 | |
| 39 | cextern pw_4 |
| 40 | cextern pw_8 |
| 41 | |
| 42 | ; with mix functions, two 8-bit thresholds are stored in a 16-bit storage, |
| 43 | ; the following mask is used to splat both in the same register |
| 44 | mask_mix: times 8 db 0 |
| 45 | times 8 db 1 |
| 46 | |
| 47 | mask_mix84: times 8 db 0xff |
| 48 | times 8 db 0x00 |
| 49 | mask_mix48: times 8 db 0x00 |
| 50 | times 8 db 0xff |
| 51 | |
| 52 | SECTION .text |
| 53 | |
| 54 | ; %1 = abs(%2-%3) |
| 55 | %macro ABSSUB 4 ; dst, src1 (RO), src2 (RO), tmp |
| 56 | psubusb %1, %3, %2 |
| 57 | psubusb %4, %2, %3 |
| 58 | por %1, %4 |
| 59 | %endmacro |
| 60 | |
| 61 | ; %1 = %1<=%2 |
| 62 | %macro CMP_LTE 3-4 ; src/dst, cmp, tmp, pb_80 |
| 63 | %if %0 == 4 |
| 64 | pxor %1, %4 |
| 65 | %endif |
| 66 | pcmpgtb %3, %2, %1 ; cmp > src? |
| 67 | pcmpeqb %1, %2 ; cmp == src? XXX: avoid this with a -1/+1 well placed? |
| 68 | por %1, %3 ; cmp >= src? |
| 69 | %endmacro |
| 70 | |
| 71 | ; %1 = abs(%2-%3) <= %4 |
| 72 | %macro ABSSUB_CMP 6-7 [pb_80]; dst, src1, src2, cmp, tmp1, tmp2, [pb_80] |
| 73 | ABSSUB %1, %2, %3, %6 ; dst = abs(src1-src2) |
| 74 | CMP_LTE %1, %4, %6, %7 ; dst <= cmp |
| 75 | %endmacro |
| 76 | |
| 77 | %macro MASK_APPLY 4 ; %1=new_data/dst %2=old_data %3=mask %4=tmp |
| 78 | pand %1, %3 ; new &= mask |
| 79 | pandn %4, %3, %2 ; tmp = ~mask & old |
| 80 | por %1, %4 ; new&mask | old&~mask |
| 81 | %endmacro |
| 82 | |
| 83 | %macro FILTER_SUBx2_ADDx2 8 ; %1=dst %2=h/l %3=cache %4=sub1 %5=sub2 %6=add1 %7=add2 %8=rshift |
| 84 | punpck%2bw %3, %4, m0 |
| 85 | psubw %1, %3 |
| 86 | punpck%2bw %3, %5, m0 |
| 87 | psubw %1, %3 |
| 88 | punpck%2bw %3, %6, m0 |
| 89 | paddw %1, %3 |
| 90 | punpck%2bw %3, %7, m0 |
| 91 | paddw %3, %1 |
| 92 | psraw %1, %3, %8 |
| 93 | %endmacro |
| 94 | |
| 95 | %macro FILTER_INIT 8 ; tmp1, tmp2, cacheL, cacheH, dstp, filterid, mask, source |
| 96 | FILTER%6_INIT %1, l, %3 |
| 97 | FILTER%6_INIT %2, h, %4 |
| 98 | packuswb %1, %2 |
| 99 | MASK_APPLY %1, %8, %7, %2 |
| 100 | mova %5, %1 |
| 101 | %endmacro |
| 102 | |
| 103 | %macro FILTER_UPDATE 11-14 ; tmp1, tmp2, cacheL, cacheH, dstp, -, -, +, +, rshift, mask, [source], [preload reg + value] |
| 104 | %if %0 == 13 ; no source + preload |
| 105 | mova %12, %13 |
| 106 | %elif %0 == 14 ; source + preload |
| 107 | mova %13, %14 |
| 108 | %endif |
| 109 | FILTER_SUBx2_ADDx2 %1, l, %3, %6, %7, %8, %9, %10 |
| 110 | FILTER_SUBx2_ADDx2 %2, h, %4, %6, %7, %8, %9, %10 |
| 111 | packuswb %1, %2 |
| 112 | %if %0 == 12 || %0 == 14 |
| 113 | MASK_APPLY %1, %12, %11, %2 |
| 114 | %else |
| 115 | MASK_APPLY %1, %5, %11, %2 |
| 116 | %endif |
| 117 | mova %5, %1 |
| 118 | %endmacro |
| 119 | |
| 120 | %macro SRSHIFT3B_2X 4 ; reg1, reg2, [pb_10], tmp |
| 121 | mova %4, [pb_f8] |
| 122 | pand %1, %4 |
| 123 | pand %2, %4 |
| 124 | psrlq %1, 3 |
| 125 | psrlq %2, 3 |
| 126 | pxor %1, %3 |
| 127 | pxor %2, %3 |
| 128 | psubb %1, %3 |
| 129 | psubb %2, %3 |
| 130 | %endmacro |
| 131 | |
| 132 | %macro EXTRACT_POS_NEG 3 ; i8, neg, pos |
| 133 | pxor %3, %3 |
| 134 | pxor %2, %2 |
| 135 | pcmpgtb %3, %1 ; i8 < 0 mask |
| 136 | psubb %2, %1 ; neg values (only the originally - will be kept) |
| 137 | pand %2, %3 ; negative values of i8 (but stored as +) |
| 138 | pandn %3, %1 ; positive values of i8 |
| 139 | %endmacro |
| 140 | |
| 141 | ; clip_u8(u8 + i8) |
| 142 | %macro SIGN_ADD 5 ; dst, u8, i8, tmp1, tmp2 |
| 143 | EXTRACT_POS_NEG %3, %4, %5 |
| 144 | psubusb %1, %2, %4 ; sub the negatives |
| 145 | paddusb %1, %5 ; add the positives |
| 146 | %endmacro |
| 147 | |
| 148 | ; clip_u8(u8 - i8) |
| 149 | %macro SIGN_SUB 5 ; dst, u8, i8, tmp1, tmp2 |
| 150 | EXTRACT_POS_NEG %3, %4, %5 |
| 151 | psubusb %1, %2, %5 ; sub the positives |
| 152 | paddusb %1, %4 ; add the negatives |
| 153 | %endmacro |
| 154 | |
| 155 | %macro FILTER6_INIT 3 ; %1=dst %2=h/l %3=cache |
| 156 | punpck%2bw %1, m14, m0 ; p3: B->W |
| 157 | paddw %3, %1, %1 ; p3*2 |
| 158 | paddw %3, %1 ; p3*3 |
| 159 | punpck%2bw %1, m15, m0 ; p2: B->W |
| 160 | paddw %3, %1 ; p3*3 + p2 |
| 161 | paddw %3, %1 ; p3*3 + p2*2 |
| 162 | punpck%2bw %1, m10, m0 ; p1: B->W |
| 163 | paddw %3, %1 ; p3*3 + p2*2 + p1 |
| 164 | punpck%2bw %1, m11, m0 ; p0: B->W |
| 165 | paddw %3, %1 ; p3*3 + p2*2 + p1 + p0 |
| 166 | punpck%2bw %1, m12, m0 ; q0: B->W |
| 167 | paddw %3, %1 ; p3*3 + p2*2 + p1 + p0 + q0 |
| 168 | paddw %3, [pw_4] ; p3*3 + p2*2 + p1 + p0 + q0 + 4 |
| 169 | psraw %1, %3, 3 ; (p3*3 + p2*2 + p1 + p0 + q0 + 4) >> 3 |
| 170 | %endmacro |
| 171 | |
| 172 | %macro FILTER14_INIT 3 ; %1=dst %2=h/l %3=cache |
| 173 | punpck%2bw %1, m2, m0 ; p7: B->W |
| 174 | psllw %3, %1, 3 ; p7*8 |
| 175 | psubw %3, %1 ; p7*7 |
| 176 | punpck%2bw %1, m3, m0 ; p6: B->W |
| 177 | paddw %3, %1 ; p7*7 + p6 |
| 178 | paddw %3, %1 ; p7*7 + p6*2 |
| 179 | punpck%2bw %1, m8, m0 ; p5: B->W |
| 180 | paddw %3, %1 ; p7*7 + p6*2 + p5 |
| 181 | punpck%2bw %1, m9, m0 ; p4: B->W |
| 182 | paddw %3, %1 ; p7*7 + p6*2 + p5 + p4 |
| 183 | punpck%2bw %1, m14, m0 ; p3: B->W |
| 184 | paddw %3, %1 ; p7*7 + p6*2 + p5 + p4 + p3 |
| 185 | punpck%2bw %1, m15, m0 ; p2: B->W |
| 186 | paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p2 |
| 187 | punpck%2bw %1, m10, m0 ; p1: B->W |
| 188 | paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p1 |
| 189 | punpck%2bw %1, m11, m0 ; p0: B->W |
| 190 | paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0 |
| 191 | punpck%2bw %1, m12, m0 ; q0: B->W |
| 192 | paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0 + q0 |
| 193 | paddw %3, [pw_8] ; p7*7 + p6*2 + p5 + .. + p0 + q0 + 8 |
| 194 | psraw %1, %3, 4 ; (p7*7 + p6*2 + p5 + .. + p0 + q0 + 8) >> 4 |
| 195 | %endmacro |
| 196 | |
| 197 | %macro TRANSPOSE16x16B 17 |
| 198 | mova %17, m%16 |
| 199 | SBUTTERFLY bw, %1, %2, %16 |
| 200 | SBUTTERFLY bw, %3, %4, %16 |
| 201 | SBUTTERFLY bw, %5, %6, %16 |
| 202 | SBUTTERFLY bw, %7, %8, %16 |
| 203 | SBUTTERFLY bw, %9, %10, %16 |
| 204 | SBUTTERFLY bw, %11, %12, %16 |
| 205 | SBUTTERFLY bw, %13, %14, %16 |
| 206 | mova m%16, %17 |
| 207 | mova %17, m%14 |
| 208 | SBUTTERFLY bw, %15, %16, %14 |
| 209 | SBUTTERFLY wd, %1, %3, %14 |
| 210 | SBUTTERFLY wd, %2, %4, %14 |
| 211 | SBUTTERFLY wd, %5, %7, %14 |
| 212 | SBUTTERFLY wd, %6, %8, %14 |
| 213 | SBUTTERFLY wd, %9, %11, %14 |
| 214 | SBUTTERFLY wd, %10, %12, %14 |
| 215 | SBUTTERFLY wd, %13, %15, %14 |
| 216 | mova m%14, %17 |
| 217 | mova %17, m%12 |
| 218 | SBUTTERFLY wd, %14, %16, %12 |
| 219 | SBUTTERFLY dq, %1, %5, %12 |
| 220 | SBUTTERFLY dq, %2, %6, %12 |
| 221 | SBUTTERFLY dq, %3, %7, %12 |
| 222 | SBUTTERFLY dq, %4, %8, %12 |
| 223 | SBUTTERFLY dq, %9, %13, %12 |
| 224 | SBUTTERFLY dq, %10, %14, %12 |
| 225 | SBUTTERFLY dq, %11, %15, %12 |
| 226 | mova m%12, %17 |
| 227 | mova %17, m%8 |
| 228 | SBUTTERFLY dq, %12, %16, %8 |
| 229 | SBUTTERFLY qdq, %1, %9, %8 |
| 230 | SBUTTERFLY qdq, %2, %10, %8 |
| 231 | SBUTTERFLY qdq, %3, %11, %8 |
| 232 | SBUTTERFLY qdq, %4, %12, %8 |
| 233 | SBUTTERFLY qdq, %5, %13, %8 |
| 234 | SBUTTERFLY qdq, %6, %14, %8 |
| 235 | SBUTTERFLY qdq, %7, %15, %8 |
| 236 | mova m%8, %17 |
| 237 | mova %17, m%1 |
| 238 | SBUTTERFLY qdq, %8, %16, %1 |
| 239 | mova m%1, %17 |
| 240 | SWAP %2, %9 |
| 241 | SWAP %3, %5 |
| 242 | SWAP %4, %13 |
| 243 | SWAP %6, %11 |
| 244 | SWAP %8, %15 |
| 245 | SWAP %12, %14 |
| 246 | %endmacro |
| 247 | |
| 248 | ; transpose 16 half lines (high part) to 8 full centered lines |
| 249 | %macro TRANSPOSE16x8B 16 |
| 250 | punpcklbw m%1, m%2 |
| 251 | punpcklbw m%3, m%4 |
| 252 | punpcklbw m%5, m%6 |
| 253 | punpcklbw m%7, m%8 |
| 254 | punpcklbw m%9, m%10 |
| 255 | punpcklbw m%11, m%12 |
| 256 | punpcklbw m%13, m%14 |
| 257 | punpcklbw m%15, m%16 |
| 258 | SBUTTERFLY wd, %1, %3, %2 |
| 259 | SBUTTERFLY wd, %5, %7, %2 |
| 260 | SBUTTERFLY wd, %9, %11, %2 |
| 261 | SBUTTERFLY wd, %13, %15, %2 |
| 262 | SBUTTERFLY dq, %1, %5, %2 |
| 263 | SBUTTERFLY dq, %3, %7, %2 |
| 264 | SBUTTERFLY dq, %9, %13, %2 |
| 265 | SBUTTERFLY dq, %11, %15, %2 |
| 266 | SBUTTERFLY qdq, %1, %9, %2 |
| 267 | SBUTTERFLY qdq, %3, %11, %2 |
| 268 | SBUTTERFLY qdq, %5, %13, %2 |
| 269 | SBUTTERFLY qdq, %7, %15, %2 |
| 270 | SWAP %5, %1 |
| 271 | SWAP %6, %9 |
| 272 | SWAP %7, %1 |
| 273 | SWAP %8, %13 |
| 274 | SWAP %9, %3 |
| 275 | SWAP %10, %11 |
| 276 | SWAP %11, %1 |
| 277 | SWAP %12, %15 |
| 278 | %endmacro |
| 279 | |
| 280 | %macro DEFINE_REAL_P7_TO_Q7 0-1 0 |
| 281 | %define P7 dst1q + 2*mstrideq + %1 |
| 282 | %define P6 dst1q + mstrideq + %1 |
| 283 | %define P5 dst1q + %1 |
| 284 | %define P4 dst1q + strideq + %1 |
| 285 | %define P3 dstq + 4*mstrideq + %1 |
| 286 | %define P2 dstq + mstride3q + %1 |
| 287 | %define P1 dstq + 2*mstrideq + %1 |
| 288 | %define P0 dstq + mstrideq + %1 |
| 289 | %define Q0 dstq + %1 |
| 290 | %define Q1 dstq + strideq + %1 |
| 291 | %define Q2 dstq + 2*strideq + %1 |
| 292 | %define Q3 dstq + stride3q + %1 |
| 293 | %define Q4 dstq + 4*strideq + %1 |
| 294 | %define Q5 dst2q + mstrideq + %1 |
| 295 | %define Q6 dst2q + %1 |
| 296 | %define Q7 dst2q + strideq + %1 |
| 297 | %endmacro |
| 298 | |
| 299 | ; ..............AB -> AAAAAAAABBBBBBBB |
| 300 | %macro SPLATB_MIX 1-2 [mask_mix] |
| 301 | %if cpuflag(ssse3) |
| 302 | pshufb %1, %2 |
| 303 | %else |
| 304 | punpcklbw %1, %1 |
| 305 | punpcklwd %1, %1 |
| 306 | punpckldq %1, %1 |
| 307 | %endif |
| 308 | %endmacro |
| 309 | |
| 310 | %macro LOOPFILTER 2 ; %1=v/h %2=size1 |
| 311 | lea mstrideq, [strideq] |
| 312 | neg mstrideq |
| 313 | |
| 314 | lea stride3q, [strideq+2*strideq] |
| 315 | mov mstride3q, stride3q |
| 316 | neg mstride3q |
| 317 | |
| 318 | %ifidn %1, h |
| 319 | %if %2 > 16 |
| 320 | %define movx movh |
| 321 | lea dstq, [dstq + 8*strideq - 4] |
| 322 | %else |
| 323 | %define movx movu |
| 324 | lea dstq, [dstq + 8*strideq - 8] ; go from top center (h pos) to center left (v pos) |
| 325 | %endif |
| 326 | %endif |
| 327 | |
| 328 | lea dst1q, [dstq + 2*mstride3q] ; dst1q = &dst[stride * -6] |
| 329 | lea dst2q, [dstq + 2* stride3q] ; dst2q = &dst[stride * +6] |
| 330 | |
| 331 | DEFINE_REAL_P7_TO_Q7 |
| 332 | |
| 333 | %ifidn %1, h |
| 334 | movx m0, [P7] |
| 335 | movx m1, [P6] |
| 336 | movx m2, [P5] |
| 337 | movx m3, [P4] |
| 338 | movx m4, [P3] |
| 339 | movx m5, [P2] |
| 340 | movx m6, [P1] |
| 341 | movx m7, [P0] |
| 342 | movx m8, [Q0] |
| 343 | movx m9, [Q1] |
| 344 | movx m10, [Q2] |
| 345 | movx m11, [Q3] |
| 346 | movx m12, [Q4] |
| 347 | movx m13, [Q5] |
| 348 | movx m14, [Q6] |
| 349 | movx m15, [Q7] |
| 350 | %define P7 rsp + 0 |
| 351 | %define P6 rsp + 16 |
| 352 | %define P5 rsp + 32 |
| 353 | %define P4 rsp + 48 |
| 354 | %define P3 rsp + 64 |
| 355 | %define P2 rsp + 80 |
| 356 | %define P1 rsp + 96 |
| 357 | %define P0 rsp + 112 |
| 358 | %define Q0 rsp + 128 |
| 359 | %define Q1 rsp + 144 |
| 360 | %define Q2 rsp + 160 |
| 361 | %define Q3 rsp + 176 |
| 362 | %define Q4 rsp + 192 |
| 363 | %define Q5 rsp + 208 |
| 364 | %define Q6 rsp + 224 |
| 365 | %define Q7 rsp + 240 |
| 366 | |
| 367 | %if %2 == 16 |
| 368 | TRANSPOSE16x16B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, [rsp] |
| 369 | mova [P7], m0 |
| 370 | mova [P6], m1 |
| 371 | mova [P5], m2 |
| 372 | mova [P4], m3 |
| 373 | %else |
| 374 | TRANSPOSE16x8B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 |
| 375 | %endif |
| 376 | mova [P3], m4 |
| 377 | mova [P2], m5 |
| 378 | mova [P1], m6 |
| 379 | mova [P0], m7 |
| 380 | mova [Q0], m8 |
| 381 | mova [Q1], m9 |
| 382 | mova [Q2], m10 |
| 383 | mova [Q3], m11 |
| 384 | %if %2 == 16 |
| 385 | mova [Q4], m12 |
| 386 | mova [Q5], m13 |
| 387 | mova [Q6], m14 |
| 388 | mova [Q7], m15 |
| 389 | %endif |
| 390 | %endif |
| 391 | |
| 392 | ; calc fm mask |
| 393 | %if %2 == 16 |
| 394 | %if cpuflag(ssse3) |
| 395 | pxor m0, m0 |
| 396 | %endif |
| 397 | SPLATB_REG m2, I, m0 ; I I I I ... |
| 398 | SPLATB_REG m3, E, m0 ; E E E E ... |
| 399 | %else |
| 400 | %if cpuflag(ssse3) |
| 401 | mova m0, [mask_mix] |
| 402 | %endif |
| 403 | movd m2, Id |
| 404 | movd m3, Ed |
| 405 | SPLATB_MIX m2, m0 |
| 406 | SPLATB_MIX m3, m0 |
| 407 | %endif |
| 408 | mova m0, [pb_80] |
| 409 | pxor m2, m0 |
| 410 | pxor m3, m0 |
| 411 | %ifidn %1, v |
| 412 | mova m8, [P3] |
| 413 | mova m9, [P2] |
| 414 | mova m10, [P1] |
| 415 | mova m11, [P0] |
| 416 | mova m12, [Q0] |
| 417 | mova m13, [Q1] |
| 418 | mova m14, [Q2] |
| 419 | mova m15, [Q3] |
| 420 | %else |
| 421 | ; In case of horizontal, P3..Q3 are already present in some registers due |
| 422 | ; to the previous transpose, so we just swap registers. |
| 423 | SWAP 8, 4, 12 |
| 424 | SWAP 9, 5, 13 |
| 425 | SWAP 10, 6, 14 |
| 426 | SWAP 11, 7, 15 |
| 427 | %endif |
| 428 | ABSSUB_CMP m5, m8, m9, m2, m6, m7, m0 ; m5 = abs(p3-p2) <= I |
| 429 | ABSSUB_CMP m1, m9, m10, m2, m6, m7, m0 ; m1 = abs(p2-p1) <= I |
| 430 | pand m5, m1 |
| 431 | ABSSUB_CMP m1, m10, m11, m2, m6, m7, m0 ; m1 = abs(p1-p0) <= I |
| 432 | pand m5, m1 |
| 433 | ABSSUB_CMP m1, m12, m13, m2, m6, m7, m0 ; m1 = abs(q1-q0) <= I |
| 434 | pand m5, m1 |
| 435 | ABSSUB_CMP m1, m13, m14, m2, m6, m7, m0 ; m1 = abs(q2-q1) <= I |
| 436 | pand m5, m1 |
| 437 | ABSSUB_CMP m1, m14, m15, m2, m6, m7, m0 ; m1 = abs(q3-q2) <= I |
| 438 | pand m5, m1 |
| 439 | ABSSUB m1, m11, m12, m7 ; abs(p0-q0) |
| 440 | paddusb m1, m1 ; abs(p0-q0) * 2 |
| 441 | ABSSUB m2, m10, m13, m7 ; abs(p1-q1) |
| 442 | pand m2, [pb_fe] ; drop lsb so shift can work |
| 443 | psrlq m2, 1 ; abs(p1-q1)/2 |
| 444 | paddusb m1, m2 ; abs(p0-q0)*2 + abs(p1-q1)/2 |
| 445 | pxor m1, m0 |
| 446 | pcmpgtb m4, m3, m1 ; E > X? |
| 447 | pcmpeqb m3, m1 ; E == X? |
| 448 | por m3, m4 ; E >= X? |
| 449 | pand m3, m5 ; fm final value |
| 450 | |
| 451 | ; (m3: fm, m8..15: p3 p2 p1 p0 q0 q1 q2 q3) |
| 452 | ; calc flat8in (if not 44_16) and hev masks |
| 453 | mova m6, [pb_81] ; [1 1 1 1 ...] ^ 0x80 |
| 454 | %if %2 != 44 |
| 455 | ABSSUB_CMP m2, m8, m11, m6, m4, m5 ; abs(p3 - p0) <= 1 |
| 456 | mova m8, [pb_80] |
| 457 | ABSSUB_CMP m1, m9, m11, m6, m4, m5, m8 ; abs(p2 - p0) <= 1 |
| 458 | pand m2, m1 |
| 459 | ABSSUB m4, m10, m11, m5 ; abs(p1 - p0) |
| 460 | %if %2 == 16 |
| 461 | %if cpuflag(ssse3) |
| 462 | pxor m0, m0 |
| 463 | %endif |
| 464 | SPLATB_REG m7, H, m0 ; H H H H ... |
| 465 | %else |
| 466 | movd m7, Hd |
| 467 | SPLATB_MIX m7 |
| 468 | %endif |
| 469 | pxor m7, m8 |
| 470 | pxor m4, m8 |
| 471 | pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition) |
| 472 | CMP_LTE m4, m6, m5 ; abs(p1 - p0) <= 1 |
| 473 | pand m2, m4 ; (flat8in) |
| 474 | ABSSUB m4, m13, m12, m1 ; abs(q1 - q0) |
| 475 | pxor m4, m8 |
| 476 | pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition) |
| 477 | por m0, m5 ; hev final value |
| 478 | CMP_LTE m4, m6, m5 ; abs(q1 - q0) <= 1 |
| 479 | pand m2, m4 ; (flat8in) |
| 480 | ABSSUB_CMP m1, m14, m12, m6, m4, m5, m8 ; abs(q2 - q0) <= 1 |
| 481 | pand m2, m1 |
| 482 | ABSSUB_CMP m1, m15, m12, m6, m4, m5, m8 ; abs(q3 - q0) <= 1 |
| 483 | pand m2, m1 ; flat8in final value |
| 484 | %if %2 == 84 || %2 == 48 |
| 485 | pand m2, [mask_mix%2] |
| 486 | %endif |
| 487 | %else |
| 488 | mova m6, [pb_80] |
| 489 | movd m7, Hd |
| 490 | SPLATB_MIX m7 |
| 491 | pxor m7, m6 |
| 492 | ABSSUB m4, m10, m11, m1 ; abs(p1 - p0) |
| 493 | pxor m4, m6 |
| 494 | pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition) |
| 495 | ABSSUB m4, m13, m12, m1 ; abs(q1 - q0) |
| 496 | pxor m4, m6 |
| 497 | pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition) |
| 498 | por m0, m5 ; hev final value |
| 499 | %endif |
| 500 | |
| 501 | %if %2 == 16 |
| 502 | ; (m0: hev, m2: flat8in, m3: fm, m6: pb_81, m9..15: p2 p1 p0 q0 q1 q2 q3) |
| 503 | ; calc flat8out mask |
| 504 | mova m8, [P7] |
| 505 | mova m9, [P6] |
| 506 | ABSSUB_CMP m1, m8, m11, m6, m4, m5 ; abs(p7 - p0) <= 1 |
| 507 | ABSSUB_CMP m7, m9, m11, m6, m4, m5 ; abs(p6 - p0) <= 1 |
| 508 | pand m1, m7 |
| 509 | mova m8, [P5] |
| 510 | mova m9, [P4] |
| 511 | ABSSUB_CMP m7, m8, m11, m6, m4, m5 ; abs(p5 - p0) <= 1 |
| 512 | pand m1, m7 |
| 513 | ABSSUB_CMP m7, m9, m11, m6, m4, m5 ; abs(p4 - p0) <= 1 |
| 514 | pand m1, m7 |
| 515 | mova m14, [Q4] |
| 516 | mova m15, [Q5] |
| 517 | ABSSUB_CMP m7, m14, m12, m6, m4, m5 ; abs(q4 - q0) <= 1 |
| 518 | pand m1, m7 |
| 519 | ABSSUB_CMP m7, m15, m12, m6, m4, m5 ; abs(q5 - q0) <= 1 |
| 520 | pand m1, m7 |
| 521 | mova m14, [Q6] |
| 522 | mova m15, [Q7] |
| 523 | ABSSUB_CMP m7, m14, m12, m6, m4, m5 ; abs(q4 - q0) <= 1 |
| 524 | pand m1, m7 |
| 525 | ABSSUB_CMP m7, m15, m12, m6, m4, m5 ; abs(q5 - q0) <= 1 |
| 526 | pand m1, m7 ; flat8out final value |
| 527 | %endif |
| 528 | |
| 529 | ; if (fm) { |
| 530 | ; if (out && in) filter_14() |
| 531 | ; else if (in) filter_6() |
| 532 | ; else if (hev) filter_2() |
| 533 | ; else filter_4() |
| 534 | ; } |
| 535 | ; |
| 536 | ; f14: fm & out & in |
| 537 | ; f6: fm & ~f14 & in => fm & ~(out & in) & in => fm & ~out & in |
| 538 | ; f2: fm & ~f14 & ~f6 & hev => fm & ~(out & in) & ~(~out & in) & hev => fm & ~in & hev |
| 539 | ; f4: fm & ~f14 & ~f6 & ~f2 => fm & ~(out & in) & ~(~out & in) & ~(~in & hev) => fm & ~in & ~hev |
| 540 | |
| 541 | ; (m0: hev, [m1: flat8out], [m2: flat8in], m3: fm, m8..15: p5 p4 p1 p0 q0 q1 q6 q7) |
| 542 | ; filter2() |
| 543 | %if %2 != 44 |
| 544 | mova m6, [pb_80] ; already in m6 if 44_16 |
| 545 | %endif |
| 546 | pxor m15, m12, m6 ; q0 ^ 0x80 |
| 547 | pxor m14, m11, m6 ; p0 ^ 0x80 |
| 548 | psubsb m15, m14 ; (signed) q0 - p0 |
| 549 | pxor m4, m10, m6 ; p1 ^ 0x80 |
| 550 | pxor m5, m13, m6 ; q1 ^ 0x80 |
| 551 | psubsb m4, m5 ; (signed) p1 - q1 |
| 552 | paddsb m4, m15 ; (q0 - p0) + (p1 - q1) |
| 553 | paddsb m4, m15 ; 2*(q0 - p0) + (p1 - q1) |
| 554 | paddsb m4, m15 ; 3*(q0 - p0) + (p1 - q1) |
| 555 | paddsb m6, m4, [pb_4] ; m6: f1 = clip(f + 4, 127) |
| 556 | paddsb m4, [pb_3] ; m4: f2 = clip(f + 3, 127) |
| 557 | mova m14, [pb_10] ; will be reused in filter4() |
| 558 | SRSHIFT3B_2X m6, m4, m14, m7 ; f1 and f2 sign byte shift by 3 |
| 559 | SIGN_SUB m7, m12, m6, m5, m9 ; m7 = q0 - f1 |
| 560 | SIGN_ADD m8, m11, m4, m5, m9 ; m8 = p0 + f2 |
| 561 | %if %2 != 44 |
| 562 | pandn m6, m2, m3 ; ~mask(in) & mask(fm) |
| 563 | pand m6, m0 ; (~mask(in) & mask(fm)) & mask(hev) |
| 564 | %else |
| 565 | pand m6, m3, m0 |
| 566 | %endif |
| 567 | MASK_APPLY m7, m12, m6, m5 ; m7 = filter2(q0) & mask / we write it in filter4() |
| 568 | MASK_APPLY m8, m11, m6, m5 ; m8 = filter2(p0) & mask / we write it in filter4() |
| 569 | |
| 570 | ; (m0: hev, [m1: flat8out], [m2: flat8in], m3: fm, m7..m8: q0' p0', m10..13: p1 p0 q0 q1, m14: pb_10, m15: q0-p0) |
| 571 | ; filter4() |
| 572 | mova m4, m15 |
| 573 | paddsb m15, m4 ; 2 * (q0 - p0) |
| 574 | paddsb m15, m4 ; 3 * (q0 - p0) |
| 575 | paddsb m6, m15, [pb_4] ; m6: f1 = clip(f + 4, 127) |
| 576 | paddsb m15, [pb_3] ; m15: f2 = clip(f + 3, 127) |
| 577 | SRSHIFT3B_2X m6, m15, m14, m9 ; f1 and f2 sign byte shift by 3 |
| 578 | %if %2 != 44 |
| 579 | %define p0tmp m7 |
| 580 | %define q0tmp m9 |
| 581 | pandn m5, m2, m3 ; ~mask(in) & mask(fm) |
| 582 | pandn m0, m5 ; ~mask(hev) & (~mask(in) & mask(fm)) |
| 583 | %else |
| 584 | %define p0tmp m1 |
| 585 | %define q0tmp m2 |
| 586 | pandn m0, m3 |
| 587 | %endif |
| 588 | SIGN_SUB q0tmp, m12, m6, m4, m14 ; q0 - f1 |
| 589 | MASK_APPLY q0tmp, m7, m0, m5 ; filter4(q0) & mask |
| 590 | mova [Q0], q0tmp |
| 591 | SIGN_ADD p0tmp, m11, m15, m4, m14 ; p0 + f2 |
| 592 | MASK_APPLY p0tmp, m8, m0, m5 ; filter4(p0) & mask |
| 593 | mova [P0], p0tmp |
| 594 | paddb m6, [pb_80] ; |
| 595 | pxor m8, m8 ; f=(f1+1)>>1 |
| 596 | pavgb m6, m8 ; |
| 597 | psubb m6, [pb_40] ; |
| 598 | SIGN_ADD m7, m10, m6, m8, m9 ; p1 + f |
| 599 | SIGN_SUB m4, m13, m6, m8, m9 ; q1 - f |
| 600 | MASK_APPLY m7, m10, m0, m14 ; m7 = filter4(p1) |
| 601 | MASK_APPLY m4, m13, m0, m14 ; m4 = filter4(q1) |
| 602 | mova [P1], m7 |
| 603 | mova [Q1], m4 |
| 604 | |
| 605 | ; ([m1: flat8out], m2: flat8in, m3: fm, m10..13: p1 p0 q0 q1) |
| 606 | ; filter6() |
| 607 | %if %2 != 44 |
| 608 | pxor m0, m0 |
| 609 | %if %2 > 16 |
| 610 | pand m3, m2 |
| 611 | %else |
| 612 | pand m2, m3 ; mask(fm) & mask(in) |
| 613 | pandn m3, m1, m2 ; ~mask(out) & (mask(fm) & mask(in)) |
| 614 | %endif |
| 615 | mova m14, [P3] |
| 616 | mova m15, [P2] |
| 617 | mova m8, [Q2] |
| 618 | mova m9, [Q3] |
| 619 | FILTER_INIT m4, m5, m6, m7, [P2], 6, m3, m15 ; [p2] |
| 620 | FILTER_UPDATE m6, m7, m4, m5, [P1], m14, m15, m10, m13, 3, m3 ; [p1] -p3 -p2 +p1 +q1 |
| 621 | FILTER_UPDATE m4, m5, m6, m7, [P0], m14, m10, m11, m8, 3, m3 ; [p0] -p3 -p1 +p0 +q2 |
| 622 | FILTER_UPDATE m6, m7, m4, m5, [Q0], m14, m11, m12, m9, 3, m3 ; [q0] -p3 -p0 +q0 +q3 |
| 623 | FILTER_UPDATE m4, m5, m6, m7, [Q1], m15, m12, m13, m9, 3, m3 ; [q1] -p2 -q0 +q1 +q3 |
| 624 | FILTER_UPDATE m6, m7, m4, m5, [Q2], m10, m13, m8, m9, 3, m3, m8 ; [q2] -p1 -q1 +q2 +q3 |
| 625 | %endif |
| 626 | |
| 627 | ; (m0: 0, [m1: flat8out], m2: fm & flat8in, m8..15: q2 q3 p1 p0 q0 q1 p3 p2) |
| 628 | ; filter14() |
| 629 | ; |
| 630 | ; m2 m3 m8 m9 m14 m15 m10 m11 m12 m13 |
| 631 | ; |
| 632 | ; q2 q3 p3 p2 p1 p0 q0 q1 |
| 633 | ; p6 -7 p7 p6 p5 p4 . . . . . |
| 634 | ; p5 -6 -p7 -p6 +p5 +q1 . . . . |
| 635 | ; p4 -5 -p7 -p5 +p4 +q2 . . . q2 |
| 636 | ; p3 -4 -p7 -p4 +p3 +q3 . . . q3 |
| 637 | ; p2 -3 -p7 -p3 +p2 +q4 . . . q4 |
| 638 | ; p1 -2 -p7 -p2 +p1 +q5 . . . q5 |
| 639 | ; p0 -1 -p7 -p1 +p0 +q6 . . . q6 |
| 640 | ; q0 +0 -p7 -p0 +q0 +q7 . . . q7 |
| 641 | ; q1 +1 -p6 -q0 +q1 +q7 q1 . . . |
| 642 | ; q2 +2 -p5 -q1 +q2 +q7 . q2 . . |
| 643 | ; q3 +3 -p4 -q2 +q3 +q7 . q3 . . |
| 644 | ; q4 +4 -p3 -q3 +q4 +q7 . q4 . . |
| 645 | ; q5 +5 -p2 -q4 +q5 +q7 . q5 . . |
| 646 | ; q6 +6 -p1 -q5 +q6 +q7 . q6 . . |
| 647 | |
| 648 | %if %2 == 16 |
| 649 | pand m1, m2 ; mask(out) & (mask(fm) & mask(in)) |
| 650 | mova m2, [P7] |
| 651 | mova m3, [P6] |
| 652 | mova m8, [P5] |
| 653 | mova m9, [P4] |
| 654 | FILTER_INIT m4, m5, m6, m7, [P6], 14, m1, m3 |
| 655 | FILTER_UPDATE m6, m7, m4, m5, [P5], m2, m3, m8, m13, 4, m1, m8 ; [p5] -p7 -p6 +p5 +q1 |
| 656 | FILTER_UPDATE m4, m5, m6, m7, [P4], m2, m8, m9, m13, 4, m1, m9, m13, [Q2] ; [p4] -p7 -p5 +p4 +q2 |
| 657 | FILTER_UPDATE m6, m7, m4, m5, [P3], m2, m9, m14, m13, 4, m1, m14, m13, [Q3] ; [p3] -p7 -p4 +p3 +q3 |
| 658 | FILTER_UPDATE m4, m5, m6, m7, [P2], m2, m14, m15, m13, 4, m1, m13, [Q4] ; [p2] -p7 -p3 +p2 +q4 |
| 659 | FILTER_UPDATE m6, m7, m4, m5, [P1], m2, m15, m10, m13, 4, m1, m13, [Q5] ; [p1] -p7 -p2 +p1 +q5 |
| 660 | FILTER_UPDATE m4, m5, m6, m7, [P0], m2, m10, m11, m13, 4, m1, m13, [Q6] ; [p0] -p7 -p1 +p0 +q6 |
| 661 | FILTER_UPDATE m6, m7, m4, m5, [Q0], m2, m11, m12, m13, 4, m1, m13, [Q7] ; [q0] -p7 -p0 +q0 +q7 |
| 662 | FILTER_UPDATE m4, m5, m6, m7, [Q1], m3, m12, m2, m13, 4, m1, m2, [Q1] ; [q1] -p6 -q0 +q1 +q7 |
| 663 | FILTER_UPDATE m6, m7, m4, m5, [Q2], m8, m2, m3, m13, 4, m1, m3, [Q2] ; [q2] -p5 -q1 +q2 +q7 |
| 664 | FILTER_UPDATE m4, m5, m6, m7, [Q3], m9, m3, m8, m13, 4, m1, m8, m8, [Q3] ; [q3] -p4 -q2 +q3 +q7 |
| 665 | FILTER_UPDATE m6, m7, m4, m5, [Q4], m14, m8, m9, m13, 4, m1, m9, m9, [Q4] ; [q4] -p3 -q3 +q4 +q7 |
| 666 | FILTER_UPDATE m4, m5, m6, m7, [Q5], m15, m9, m14, m13, 4, m1, m14, m14, [Q5] ; [q5] -p2 -q4 +q5 +q7 |
| 667 | FILTER_UPDATE m6, m7, m4, m5, [Q6], m10, m14, m15, m13, 4, m1, m15, m15, [Q6] ; [q6] -p1 -q5 +q6 +q7 |
| 668 | %endif |
| 669 | |
| 670 | %ifidn %1, h |
| 671 | %if %2 == 16 |
| 672 | mova m0, [P7] |
| 673 | mova m1, [P6] |
| 674 | mova m2, [P5] |
| 675 | mova m3, [P4] |
| 676 | mova m4, [P3] |
| 677 | mova m5, [P2] |
| 678 | mova m6, [P1] |
| 679 | mova m7, [P0] |
| 680 | mova m8, [Q0] |
| 681 | mova m9, [Q1] |
| 682 | mova m10, [Q2] |
| 683 | mova m11, [Q3] |
| 684 | mova m12, [Q4] |
| 685 | mova m13, [Q5] |
| 686 | mova m14, [Q6] |
| 687 | mova m15, [Q7] |
| 688 | TRANSPOSE16x16B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, [rsp] |
| 689 | DEFINE_REAL_P7_TO_Q7 |
| 690 | movu [P7], m0 |
| 691 | movu [P6], m1 |
| 692 | movu [P5], m2 |
| 693 | movu [P4], m3 |
| 694 | movu [P3], m4 |
| 695 | movu [P2], m5 |
| 696 | movu [P1], m6 |
| 697 | movu [P0], m7 |
| 698 | movu [Q0], m8 |
| 699 | movu [Q1], m9 |
| 700 | movu [Q2], m10 |
| 701 | movu [Q3], m11 |
| 702 | movu [Q4], m12 |
| 703 | movu [Q5], m13 |
| 704 | movu [Q6], m14 |
| 705 | movu [Q7], m15 |
| 706 | %elif %2 == 44 |
| 707 | SWAP 0, 7 ; m0 = p1 |
| 708 | SWAP 3, 4 ; m3 = q1 |
| 709 | DEFINE_REAL_P7_TO_Q7 2 |
| 710 | SBUTTERFLY bw, 0, 1, 8 |
| 711 | SBUTTERFLY bw, 2, 3, 8 |
| 712 | SBUTTERFLY wd, 0, 2, 8 |
| 713 | SBUTTERFLY wd, 1, 3, 8 |
| 714 | SBUTTERFLY dq, 0, 4, 8 |
| 715 | SBUTTERFLY dq, 1, 5, 8 |
| 716 | SBUTTERFLY dq, 2, 6, 8 |
| 717 | SBUTTERFLY dq, 3, 7, 8 |
| 718 | movd [P7], m0 |
| 719 | punpckhqdq m0, m8 |
| 720 | movd [P6], m0 |
| 721 | movd [Q0], m1 |
| 722 | punpckhqdq m1, m9 |
| 723 | movd [Q1], m1 |
| 724 | movd [P3], m2 |
| 725 | punpckhqdq m2, m10 |
| 726 | movd [P2], m2 |
| 727 | movd [Q4], m3 |
| 728 | punpckhqdq m3, m11 |
| 729 | movd [Q5], m3 |
| 730 | movd [P5], m4 |
| 731 | punpckhqdq m4, m12 |
| 732 | movd [P4], m4 |
| 733 | movd [Q2], m5 |
| 734 | punpckhqdq m5, m13 |
| 735 | movd [Q3], m5 |
| 736 | movd [P1], m6 |
| 737 | punpckhqdq m6, m14 |
| 738 | movd [P0], m6 |
| 739 | movd [Q6], m7 |
| 740 | punpckhqdq m7, m8 |
| 741 | movd [Q7], m7 |
| 742 | %else |
| 743 | ; the following code do a transpose of 8 full lines to 16 half |
| 744 | ; lines (high part). It is inlined to avoid the need of a staging area |
| 745 | mova m0, [P3] |
| 746 | mova m1, [P2] |
| 747 | mova m2, [P1] |
| 748 | mova m3, [P0] |
| 749 | mova m4, [Q0] |
| 750 | mova m5, [Q1] |
| 751 | mova m6, [Q2] |
| 752 | mova m7, [Q3] |
| 753 | DEFINE_REAL_P7_TO_Q7 |
| 754 | SBUTTERFLY bw, 0, 1, 8 |
| 755 | SBUTTERFLY bw, 2, 3, 8 |
| 756 | SBUTTERFLY bw, 4, 5, 8 |
| 757 | SBUTTERFLY bw, 6, 7, 8 |
| 758 | SBUTTERFLY wd, 0, 2, 8 |
| 759 | SBUTTERFLY wd, 1, 3, 8 |
| 760 | SBUTTERFLY wd, 4, 6, 8 |
| 761 | SBUTTERFLY wd, 5, 7, 8 |
| 762 | SBUTTERFLY dq, 0, 4, 8 |
| 763 | SBUTTERFLY dq, 1, 5, 8 |
| 764 | SBUTTERFLY dq, 2, 6, 8 |
| 765 | SBUTTERFLY dq, 3, 7, 8 |
| 766 | movh [P7], m0 |
| 767 | punpckhqdq m0, m8 |
| 768 | movh [P6], m0 |
| 769 | movh [Q0], m1 |
| 770 | punpckhqdq m1, m9 |
| 771 | movh [Q1], m1 |
| 772 | movh [P3], m2 |
| 773 | punpckhqdq m2, m10 |
| 774 | movh [P2], m2 |
| 775 | movh [Q4], m3 |
| 776 | punpckhqdq m3, m11 |
| 777 | movh [Q5], m3 |
| 778 | movh [P5], m4 |
| 779 | punpckhqdq m4, m12 |
| 780 | movh [P4], m4 |
| 781 | movh [Q2], m5 |
| 782 | punpckhqdq m5, m13 |
| 783 | movh [Q3], m5 |
| 784 | movh [P1], m6 |
| 785 | punpckhqdq m6, m14 |
| 786 | movh [P0], m6 |
| 787 | movh [Q6], m7 |
| 788 | punpckhqdq m7, m8 |
| 789 | movh [Q7], m7 |
| 790 | %endif |
| 791 | %endif |
| 792 | |
| 793 | RET |
| 794 | %endmacro |
| 795 | |
| 796 | %macro LPF_16_VH 2 |
| 797 | INIT_XMM %2 |
| 798 | cglobal vp9_loop_filter_v_%1_16, 5,10,16, dst, stride, E, I, H, mstride, dst1, dst2, stride3, mstride3 |
| 799 | LOOPFILTER v, %1 |
| 800 | cglobal vp9_loop_filter_h_%1_16, 5,10,16, 256, dst, stride, E, I, H, mstride, dst1, dst2, stride3, mstride3 |
| 801 | LOOPFILTER h, %1 |
| 802 | %endmacro |
| 803 | |
| 804 | %macro LPF_16_VH_ALL_OPTS 1 |
| 805 | LPF_16_VH %1, sse2 |
| 806 | LPF_16_VH %1, ssse3 |
| 807 | LPF_16_VH %1, avx |
| 808 | %endmacro |
| 809 | |
| 810 | LPF_16_VH_ALL_OPTS 16 |
| 811 | LPF_16_VH_ALL_OPTS 44 |
| 812 | LPF_16_VH_ALL_OPTS 48 |
| 813 | LPF_16_VH_ALL_OPTS 84 |
| 814 | LPF_16_VH_ALL_OPTS 88 |
| 815 | |
| 816 | %endif ; x86-64 |