| 1 | /* |
| 2 | * Copyright (c) 2002 Brian Foley |
| 3 | * Copyright (c) 2002 Dieter Shirley |
| 4 | * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org> |
| 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 "config.h" |
| 24 | |
| 25 | #if HAVE_ALTIVEC_H |
| 26 | #include <altivec.h> |
| 27 | #endif |
| 28 | |
| 29 | #include "libavutil/attributes.h" |
| 30 | #include "libavutil/cpu.h" |
| 31 | #include "libavutil/ppc/cpu.h" |
| 32 | #include "libavutil/ppc/types_altivec.h" |
| 33 | #include "libavutil/ppc/util_altivec.h" |
| 34 | #include "libavcodec/hpeldsp.h" |
| 35 | #include "hpeldsp_altivec.h" |
| 36 | |
| 37 | #if HAVE_ALTIVEC |
| 38 | /* next one assumes that ((line_size % 16) == 0) */ |
| 39 | void ff_put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
| 40 | { |
| 41 | register vector unsigned char pixelsv1, pixelsv2; |
| 42 | register vector unsigned char pixelsv1B, pixelsv2B; |
| 43 | register vector unsigned char pixelsv1C, pixelsv2C; |
| 44 | register vector unsigned char pixelsv1D, pixelsv2D; |
| 45 | |
| 46 | register vector unsigned char perm = vec_lvsl(0, pixels); |
| 47 | int i; |
| 48 | register ptrdiff_t line_size_2 = line_size << 1; |
| 49 | register ptrdiff_t line_size_3 = line_size + line_size_2; |
| 50 | register ptrdiff_t line_size_4 = line_size << 2; |
| 51 | |
| 52 | // hand-unrolling the loop by 4 gains about 15% |
| 53 | // mininum execution time goes from 74 to 60 cycles |
| 54 | // it's faster than -funroll-loops, but using |
| 55 | // -funroll-loops w/ this is bad - 74 cycles again. |
| 56 | // all this is on a 7450, tuning for the 7450 |
| 57 | for (i = 0; i < h; i += 4) { |
| 58 | pixelsv1 = vec_ld( 0, pixels); |
| 59 | pixelsv2 = vec_ld(15, pixels); |
| 60 | pixelsv1B = vec_ld(line_size, pixels); |
| 61 | pixelsv2B = vec_ld(15 + line_size, pixels); |
| 62 | pixelsv1C = vec_ld(line_size_2, pixels); |
| 63 | pixelsv2C = vec_ld(15 + line_size_2, pixels); |
| 64 | pixelsv1D = vec_ld(line_size_3, pixels); |
| 65 | pixelsv2D = vec_ld(15 + line_size_3, pixels); |
| 66 | vec_st(vec_perm(pixelsv1, pixelsv2, perm), |
| 67 | 0, (unsigned char*)block); |
| 68 | vec_st(vec_perm(pixelsv1B, pixelsv2B, perm), |
| 69 | line_size, (unsigned char*)block); |
| 70 | vec_st(vec_perm(pixelsv1C, pixelsv2C, perm), |
| 71 | line_size_2, (unsigned char*)block); |
| 72 | vec_st(vec_perm(pixelsv1D, pixelsv2D, perm), |
| 73 | line_size_3, (unsigned char*)block); |
| 74 | pixels+=line_size_4; |
| 75 | block +=line_size_4; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | /* next one assumes that ((line_size % 16) == 0) */ |
| 80 | #define op_avg(a,b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) ) |
| 81 | void ff_avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
| 82 | { |
| 83 | register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv; |
| 84 | register vector unsigned char perm = vec_lvsl(0, pixels); |
| 85 | int i; |
| 86 | |
| 87 | for (i = 0; i < h; i++) { |
| 88 | pixelsv1 = vec_ld( 0, pixels); |
| 89 | pixelsv2 = vec_ld(16,pixels); |
| 90 | blockv = vec_ld(0, block); |
| 91 | pixelsv = vec_perm(pixelsv1, pixelsv2, perm); |
| 92 | blockv = vec_avg(blockv,pixelsv); |
| 93 | vec_st(blockv, 0, (unsigned char*)block); |
| 94 | pixels+=line_size; |
| 95 | block +=line_size; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | /* next one assumes that ((line_size % 8) == 0) */ |
| 100 | static void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, ptrdiff_t line_size, int h) |
| 101 | { |
| 102 | register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv; |
| 103 | int i; |
| 104 | |
| 105 | for (i = 0; i < h; i++) { |
| 106 | /* block is 8 bytes-aligned, so we're either in the |
| 107 | left block (16 bytes-aligned) or in the right block (not) */ |
| 108 | int rightside = ((unsigned long)block & 0x0000000F); |
| 109 | |
| 110 | blockv = vec_ld(0, block); |
| 111 | pixelsv1 = vec_ld( 0, pixels); |
| 112 | pixelsv2 = vec_ld(16, pixels); |
| 113 | pixelsv = vec_perm(pixelsv1, pixelsv2, vec_lvsl(0, pixels)); |
| 114 | |
| 115 | if (rightside) { |
| 116 | pixelsv = vec_perm(blockv, pixelsv, vcprm(0,1,s0,s1)); |
| 117 | } else { |
| 118 | pixelsv = vec_perm(blockv, pixelsv, vcprm(s0,s1,2,3)); |
| 119 | } |
| 120 | |
| 121 | blockv = vec_avg(blockv, pixelsv); |
| 122 | |
| 123 | vec_st(blockv, 0, block); |
| 124 | |
| 125 | pixels += line_size; |
| 126 | block += line_size; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /* next one assumes that ((line_size % 8) == 0) */ |
| 131 | static void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
| 132 | { |
| 133 | register int i; |
| 134 | register vector unsigned char pixelsv1, pixelsv2, pixelsavg; |
| 135 | register vector unsigned char blockv, temp1, temp2; |
| 136 | register vector unsigned short pixelssum1, pixelssum2, temp3; |
| 137 | register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0); |
| 138 | register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2); |
| 139 | |
| 140 | temp1 = vec_ld(0, pixels); |
| 141 | temp2 = vec_ld(16, pixels); |
| 142 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels)); |
| 143 | if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F) { |
| 144 | pixelsv2 = temp2; |
| 145 | } else { |
| 146 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels)); |
| 147 | } |
| 148 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 149 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 150 | pixelssum1 = vec_add((vector unsigned short)pixelsv1, |
| 151 | (vector unsigned short)pixelsv2); |
| 152 | pixelssum1 = vec_add(pixelssum1, vctwo); |
| 153 | |
| 154 | for (i = 0; i < h ; i++) { |
| 155 | int rightside = ((unsigned long)block & 0x0000000F); |
| 156 | blockv = vec_ld(0, block); |
| 157 | |
| 158 | temp1 = vec_ld(line_size, pixels); |
| 159 | temp2 = vec_ld(line_size + 16, pixels); |
| 160 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels)); |
| 161 | if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F) { |
| 162 | pixelsv2 = temp2; |
| 163 | } else { |
| 164 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels)); |
| 165 | } |
| 166 | |
| 167 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 168 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 169 | pixelssum2 = vec_add((vector unsigned short)pixelsv1, |
| 170 | (vector unsigned short)pixelsv2); |
| 171 | temp3 = vec_add(pixelssum1, pixelssum2); |
| 172 | temp3 = vec_sra(temp3, vctwo); |
| 173 | pixelssum1 = vec_add(pixelssum2, vctwo); |
| 174 | pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero); |
| 175 | |
| 176 | if (rightside) { |
| 177 | blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1)); |
| 178 | } else { |
| 179 | blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3)); |
| 180 | } |
| 181 | |
| 182 | vec_st(blockv, 0, block); |
| 183 | |
| 184 | block += line_size; |
| 185 | pixels += line_size; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /* next one assumes that ((line_size % 8) == 0) */ |
| 190 | static void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
| 191 | { |
| 192 | register int i; |
| 193 | register vector unsigned char pixelsv1, pixelsv2, pixelsavg; |
| 194 | register vector unsigned char blockv, temp1, temp2; |
| 195 | register vector unsigned short pixelssum1, pixelssum2, temp3; |
| 196 | register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0); |
| 197 | register const vector unsigned short vcone = (const vector unsigned short)vec_splat_u16(1); |
| 198 | register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2); |
| 199 | |
| 200 | temp1 = vec_ld(0, pixels); |
| 201 | temp2 = vec_ld(16, pixels); |
| 202 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels)); |
| 203 | if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F) { |
| 204 | pixelsv2 = temp2; |
| 205 | } else { |
| 206 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels)); |
| 207 | } |
| 208 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 209 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 210 | pixelssum1 = vec_add((vector unsigned short)pixelsv1, |
| 211 | (vector unsigned short)pixelsv2); |
| 212 | pixelssum1 = vec_add(pixelssum1, vcone); |
| 213 | |
| 214 | for (i = 0; i < h ; i++) { |
| 215 | int rightside = ((unsigned long)block & 0x0000000F); |
| 216 | blockv = vec_ld(0, block); |
| 217 | |
| 218 | temp1 = vec_ld(line_size, pixels); |
| 219 | temp2 = vec_ld(line_size + 16, pixels); |
| 220 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels)); |
| 221 | if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F) { |
| 222 | pixelsv2 = temp2; |
| 223 | } else { |
| 224 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels)); |
| 225 | } |
| 226 | |
| 227 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 228 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 229 | pixelssum2 = vec_add((vector unsigned short)pixelsv1, |
| 230 | (vector unsigned short)pixelsv2); |
| 231 | temp3 = vec_add(pixelssum1, pixelssum2); |
| 232 | temp3 = vec_sra(temp3, vctwo); |
| 233 | pixelssum1 = vec_add(pixelssum2, vcone); |
| 234 | pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero); |
| 235 | |
| 236 | if (rightside) { |
| 237 | blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1)); |
| 238 | } else { |
| 239 | blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3)); |
| 240 | } |
| 241 | |
| 242 | vec_st(blockv, 0, block); |
| 243 | |
| 244 | block += line_size; |
| 245 | pixels += line_size; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | /* next one assumes that ((line_size % 16) == 0) */ |
| 250 | static void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, ptrdiff_t line_size, int h) |
| 251 | { |
| 252 | register int i; |
| 253 | register vector unsigned char pixelsv1, pixelsv2, pixelsv3, pixelsv4; |
| 254 | register vector unsigned char blockv, temp1, temp2; |
| 255 | register vector unsigned short temp3, temp4, |
| 256 | pixelssum1, pixelssum2, pixelssum3, pixelssum4; |
| 257 | register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0); |
| 258 | register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2); |
| 259 | |
| 260 | temp1 = vec_ld(0, pixels); |
| 261 | temp2 = vec_ld(16, pixels); |
| 262 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels)); |
| 263 | if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F) { |
| 264 | pixelsv2 = temp2; |
| 265 | } else { |
| 266 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels)); |
| 267 | } |
| 268 | pixelsv3 = vec_mergel(vczero, pixelsv1); |
| 269 | pixelsv4 = vec_mergel(vczero, pixelsv2); |
| 270 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 271 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 272 | pixelssum3 = vec_add((vector unsigned short)pixelsv3, |
| 273 | (vector unsigned short)pixelsv4); |
| 274 | pixelssum3 = vec_add(pixelssum3, vctwo); |
| 275 | pixelssum1 = vec_add((vector unsigned short)pixelsv1, |
| 276 | (vector unsigned short)pixelsv2); |
| 277 | pixelssum1 = vec_add(pixelssum1, vctwo); |
| 278 | |
| 279 | for (i = 0; i < h ; i++) { |
| 280 | blockv = vec_ld(0, block); |
| 281 | |
| 282 | temp1 = vec_ld(line_size, pixels); |
| 283 | temp2 = vec_ld(line_size + 16, pixels); |
| 284 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels)); |
| 285 | if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F) { |
| 286 | pixelsv2 = temp2; |
| 287 | } else { |
| 288 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels)); |
| 289 | } |
| 290 | |
| 291 | pixelsv3 = vec_mergel(vczero, pixelsv1); |
| 292 | pixelsv4 = vec_mergel(vczero, pixelsv2); |
| 293 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 294 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 295 | |
| 296 | pixelssum4 = vec_add((vector unsigned short)pixelsv3, |
| 297 | (vector unsigned short)pixelsv4); |
| 298 | pixelssum2 = vec_add((vector unsigned short)pixelsv1, |
| 299 | (vector unsigned short)pixelsv2); |
| 300 | temp4 = vec_add(pixelssum3, pixelssum4); |
| 301 | temp4 = vec_sra(temp4, vctwo); |
| 302 | temp3 = vec_add(pixelssum1, pixelssum2); |
| 303 | temp3 = vec_sra(temp3, vctwo); |
| 304 | |
| 305 | pixelssum3 = vec_add(pixelssum4, vctwo); |
| 306 | pixelssum1 = vec_add(pixelssum2, vctwo); |
| 307 | |
| 308 | blockv = vec_packsu(temp3, temp4); |
| 309 | |
| 310 | vec_st(blockv, 0, block); |
| 311 | |
| 312 | block += line_size; |
| 313 | pixels += line_size; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | /* next one assumes that ((line_size % 16) == 0) */ |
| 318 | static void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, ptrdiff_t line_size, int h) |
| 319 | { |
| 320 | register int i; |
| 321 | register vector unsigned char pixelsv1, pixelsv2, pixelsv3, pixelsv4; |
| 322 | register vector unsigned char blockv, temp1, temp2; |
| 323 | register vector unsigned short temp3, temp4, |
| 324 | pixelssum1, pixelssum2, pixelssum3, pixelssum4; |
| 325 | register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0); |
| 326 | register const vector unsigned short vcone = (const vector unsigned short)vec_splat_u16(1); |
| 327 | register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2); |
| 328 | |
| 329 | temp1 = vec_ld(0, pixels); |
| 330 | temp2 = vec_ld(16, pixels); |
| 331 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels)); |
| 332 | if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F) { |
| 333 | pixelsv2 = temp2; |
| 334 | } else { |
| 335 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels)); |
| 336 | } |
| 337 | pixelsv3 = vec_mergel(vczero, pixelsv1); |
| 338 | pixelsv4 = vec_mergel(vczero, pixelsv2); |
| 339 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 340 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 341 | pixelssum3 = vec_add((vector unsigned short)pixelsv3, |
| 342 | (vector unsigned short)pixelsv4); |
| 343 | pixelssum3 = vec_add(pixelssum3, vcone); |
| 344 | pixelssum1 = vec_add((vector unsigned short)pixelsv1, |
| 345 | (vector unsigned short)pixelsv2); |
| 346 | pixelssum1 = vec_add(pixelssum1, vcone); |
| 347 | |
| 348 | for (i = 0; i < h ; i++) { |
| 349 | blockv = vec_ld(0, block); |
| 350 | |
| 351 | temp1 = vec_ld(line_size, pixels); |
| 352 | temp2 = vec_ld(line_size + 16, pixels); |
| 353 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels)); |
| 354 | if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F) { |
| 355 | pixelsv2 = temp2; |
| 356 | } else { |
| 357 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels)); |
| 358 | } |
| 359 | |
| 360 | pixelsv3 = vec_mergel(vczero, pixelsv1); |
| 361 | pixelsv4 = vec_mergel(vczero, pixelsv2); |
| 362 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 363 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 364 | |
| 365 | pixelssum4 = vec_add((vector unsigned short)pixelsv3, |
| 366 | (vector unsigned short)pixelsv4); |
| 367 | pixelssum2 = vec_add((vector unsigned short)pixelsv1, |
| 368 | (vector unsigned short)pixelsv2); |
| 369 | temp4 = vec_add(pixelssum3, pixelssum4); |
| 370 | temp4 = vec_sra(temp4, vctwo); |
| 371 | temp3 = vec_add(pixelssum1, pixelssum2); |
| 372 | temp3 = vec_sra(temp3, vctwo); |
| 373 | |
| 374 | pixelssum3 = vec_add(pixelssum4, vcone); |
| 375 | pixelssum1 = vec_add(pixelssum2, vcone); |
| 376 | |
| 377 | blockv = vec_packsu(temp3, temp4); |
| 378 | |
| 379 | vec_st(blockv, 0, block); |
| 380 | |
| 381 | block += line_size; |
| 382 | pixels += line_size; |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | /* next one assumes that ((line_size % 8) == 0) */ |
| 387 | static void avg_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h) |
| 388 | { |
| 389 | register int i; |
| 390 | register vector unsigned char pixelsv1, pixelsv2, pixelsavg; |
| 391 | register vector unsigned char blockv, temp1, temp2, blocktemp; |
| 392 | register vector unsigned short pixelssum1, pixelssum2, temp3; |
| 393 | |
| 394 | register const vector unsigned char vczero = (const vector unsigned char) |
| 395 | vec_splat_u8(0); |
| 396 | register const vector unsigned short vctwo = (const vector unsigned short) |
| 397 | vec_splat_u16(2); |
| 398 | |
| 399 | temp1 = vec_ld(0, pixels); |
| 400 | temp2 = vec_ld(16, pixels); |
| 401 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels)); |
| 402 | if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F) { |
| 403 | pixelsv2 = temp2; |
| 404 | } else { |
| 405 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels)); |
| 406 | } |
| 407 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 408 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 409 | pixelssum1 = vec_add((vector unsigned short)pixelsv1, |
| 410 | (vector unsigned short)pixelsv2); |
| 411 | pixelssum1 = vec_add(pixelssum1, vctwo); |
| 412 | |
| 413 | for (i = 0; i < h ; i++) { |
| 414 | int rightside = ((unsigned long)block & 0x0000000F); |
| 415 | blockv = vec_ld(0, block); |
| 416 | |
| 417 | temp1 = vec_ld(line_size, pixels); |
| 418 | temp2 = vec_ld(line_size + 16, pixels); |
| 419 | pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels)); |
| 420 | if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F) { |
| 421 | pixelsv2 = temp2; |
| 422 | } else { |
| 423 | pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels)); |
| 424 | } |
| 425 | |
| 426 | pixelsv1 = vec_mergeh(vczero, pixelsv1); |
| 427 | pixelsv2 = vec_mergeh(vczero, pixelsv2); |
| 428 | pixelssum2 = vec_add((vector unsigned short)pixelsv1, |
| 429 | (vector unsigned short)pixelsv2); |
| 430 | temp3 = vec_add(pixelssum1, pixelssum2); |
| 431 | temp3 = vec_sra(temp3, vctwo); |
| 432 | pixelssum1 = vec_add(pixelssum2, vctwo); |
| 433 | pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero); |
| 434 | |
| 435 | if (rightside) { |
| 436 | blocktemp = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1)); |
| 437 | } else { |
| 438 | blocktemp = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3)); |
| 439 | } |
| 440 | |
| 441 | blockv = vec_avg(blocktemp, blockv); |
| 442 | vec_st(blockv, 0, block); |
| 443 | |
| 444 | block += line_size; |
| 445 | pixels += line_size; |
| 446 | } |
| 447 | } |
| 448 | #endif /* HAVE_ALTIVEC */ |
| 449 | |
| 450 | av_cold void ff_hpeldsp_init_ppc(HpelDSPContext *c, int flags) |
| 451 | { |
| 452 | #if HAVE_ALTIVEC |
| 453 | if (!PPC_ALTIVEC(av_get_cpu_flags())) |
| 454 | return; |
| 455 | |
| 456 | c->avg_pixels_tab[0][0] = ff_avg_pixels16_altivec; |
| 457 | c->avg_pixels_tab[1][0] = avg_pixels8_altivec; |
| 458 | c->avg_pixels_tab[1][3] = avg_pixels8_xy2_altivec; |
| 459 | |
| 460 | c->put_pixels_tab[0][0] = ff_put_pixels16_altivec; |
| 461 | c->put_pixels_tab[1][3] = put_pixels8_xy2_altivec; |
| 462 | c->put_pixels_tab[0][3] = put_pixels16_xy2_altivec; |
| 463 | |
| 464 | c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_altivec; |
| 465 | c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_altivec; |
| 466 | c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_altivec; |
| 467 | #endif /* HAVE_ALTIVEC */ |
| 468 | } |