| 1 | /* |
| 2 | * AltiVec optimizations (C) 2004 Romain Dolbeau <romain@dolbeau.org> |
| 3 | * |
| 4 | * based on code by Copyright (C) 2001-2003 Michael Niedermayer (michaelni@gmx.at) |
| 5 | * |
| 6 | * This file is part of FFmpeg. |
| 7 | * |
| 8 | * FFmpeg 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 | * |
| 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 |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * 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/avutil.h" |
| 24 | |
| 25 | #define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \ |
| 26 | do { \ |
| 27 | __typeof__(src_a) tempA1, tempB1, tempC1, tempD1; \ |
| 28 | __typeof__(src_a) tempE1, tempF1, tempG1, tempH1; \ |
| 29 | __typeof__(src_a) tempA2, tempB2, tempC2, tempD2; \ |
| 30 | __typeof__(src_a) tempE2, tempF2, tempG2, tempH2; \ |
| 31 | tempA1 = vec_mergeh (src_a, src_e); \ |
| 32 | tempB1 = vec_mergel (src_a, src_e); \ |
| 33 | tempC1 = vec_mergeh (src_b, src_f); \ |
| 34 | tempD1 = vec_mergel (src_b, src_f); \ |
| 35 | tempE1 = vec_mergeh (src_c, src_g); \ |
| 36 | tempF1 = vec_mergel (src_c, src_g); \ |
| 37 | tempG1 = vec_mergeh (src_d, src_h); \ |
| 38 | tempH1 = vec_mergel (src_d, src_h); \ |
| 39 | tempA2 = vec_mergeh (tempA1, tempE1); \ |
| 40 | tempB2 = vec_mergel (tempA1, tempE1); \ |
| 41 | tempC2 = vec_mergeh (tempB1, tempF1); \ |
| 42 | tempD2 = vec_mergel (tempB1, tempF1); \ |
| 43 | tempE2 = vec_mergeh (tempC1, tempG1); \ |
| 44 | tempF2 = vec_mergel (tempC1, tempG1); \ |
| 45 | tempG2 = vec_mergeh (tempD1, tempH1); \ |
| 46 | tempH2 = vec_mergel (tempD1, tempH1); \ |
| 47 | src_a = vec_mergeh (tempA2, tempE2); \ |
| 48 | src_b = vec_mergel (tempA2, tempE2); \ |
| 49 | src_c = vec_mergeh (tempB2, tempF2); \ |
| 50 | src_d = vec_mergel (tempB2, tempF2); \ |
| 51 | src_e = vec_mergeh (tempC2, tempG2); \ |
| 52 | src_f = vec_mergel (tempC2, tempG2); \ |
| 53 | src_g = vec_mergeh (tempD2, tempH2); \ |
| 54 | src_h = vec_mergel (tempD2, tempH2); \ |
| 55 | } while (0) |
| 56 | |
| 57 | |
| 58 | static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) { |
| 59 | /* |
| 60 | this code makes no assumption on src or stride. |
| 61 | One could remove the recomputation of the perm |
| 62 | vector by assuming (stride % 16) == 0, unfortunately |
| 63 | this is not always true. |
| 64 | */ |
| 65 | short data_0 = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1; |
| 66 | DECLARE_ALIGNED(16, short, data)[8] = |
| 67 | { |
| 68 | data_0, |
| 69 | data_0 * 2 + 1, |
| 70 | c->QP * 2, |
| 71 | c->QP * 4 |
| 72 | }; |
| 73 | int numEq; |
| 74 | uint8_t *src2 = src; |
| 75 | vector signed short v_dcOffset; |
| 76 | vector signed short v2QP; |
| 77 | vector unsigned short v4QP; |
| 78 | vector unsigned short v_dcThreshold; |
| 79 | const int properStride = (stride % 16); |
| 80 | const int srcAlign = ((unsigned long)src2 % 16); |
| 81 | const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0; |
| 82 | const vector signed int zero = vec_splat_s32(0); |
| 83 | const vector signed short mask = vec_splat_s16(1); |
| 84 | vector signed int v_numEq = vec_splat_s32(0); |
| 85 | vector signed short v_data = vec_ld(0, data); |
| 86 | vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, |
| 87 | v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7; |
| 88 | //FIXME avoid this mess if possible |
| 89 | register int j0 = 0, |
| 90 | j1 = stride, |
| 91 | j2 = 2 * stride, |
| 92 | j3 = 3 * stride, |
| 93 | j4 = 4 * stride, |
| 94 | j5 = 5 * stride, |
| 95 | j6 = 6 * stride, |
| 96 | j7 = 7 * stride; |
| 97 | vector unsigned char v_srcA0, v_srcA1, v_srcA2, v_srcA3, |
| 98 | v_srcA4, v_srcA5, v_srcA6, v_srcA7; |
| 99 | |
| 100 | v_dcOffset = vec_splat(v_data, 0); |
| 101 | v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1); |
| 102 | v2QP = vec_splat(v_data, 2); |
| 103 | v4QP = (vector unsigned short)vec_splat(v_data, 3); |
| 104 | |
| 105 | src2 += stride * 4; |
| 106 | |
| 107 | #define LOAD_LINE(i) \ |
| 108 | { \ |
| 109 | vector unsigned char perm##i = vec_lvsl(j##i, src2); \ |
| 110 | vector unsigned char v_srcA2##i; \ |
| 111 | vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \ |
| 112 | if (two_vectors) \ |
| 113 | v_srcA2##i = vec_ld(j##i + 16, src2); \ |
| 114 | v_srcA##i = \ |
| 115 | vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \ |
| 116 | v_srcAss##i = \ |
| 117 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
| 118 | (vector signed char)v_srcA##i); } |
| 119 | |
| 120 | #define LOAD_LINE_ALIGNED(i) \ |
| 121 | v_srcA##i = vec_ld(j##i, src2); \ |
| 122 | v_srcAss##i = \ |
| 123 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
| 124 | (vector signed char)v_srcA##i) |
| 125 | |
| 126 | /* Special-casing the aligned case is worthwhile, as all calls from |
| 127 | * the (transposed) horizontable deblocks will be aligned, in addition |
| 128 | * to the naturally aligned vertical deblocks. */ |
| 129 | if (properStride && srcAlign) { |
| 130 | LOAD_LINE_ALIGNED(0); |
| 131 | LOAD_LINE_ALIGNED(1); |
| 132 | LOAD_LINE_ALIGNED(2); |
| 133 | LOAD_LINE_ALIGNED(3); |
| 134 | LOAD_LINE_ALIGNED(4); |
| 135 | LOAD_LINE_ALIGNED(5); |
| 136 | LOAD_LINE_ALIGNED(6); |
| 137 | LOAD_LINE_ALIGNED(7); |
| 138 | } else { |
| 139 | LOAD_LINE(0); |
| 140 | LOAD_LINE(1); |
| 141 | LOAD_LINE(2); |
| 142 | LOAD_LINE(3); |
| 143 | LOAD_LINE(4); |
| 144 | LOAD_LINE(5); |
| 145 | LOAD_LINE(6); |
| 146 | LOAD_LINE(7); |
| 147 | } |
| 148 | #undef LOAD_LINE |
| 149 | #undef LOAD_LINE_ALIGNED |
| 150 | |
| 151 | #define ITER(i, j) \ |
| 152 | const vector signed short v_diff##i = \ |
| 153 | vec_sub(v_srcAss##i, v_srcAss##j); \ |
| 154 | const vector signed short v_sum##i = \ |
| 155 | vec_add(v_diff##i, v_dcOffset); \ |
| 156 | const vector signed short v_comp##i = \ |
| 157 | (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \ |
| 158 | v_dcThreshold); \ |
| 159 | const vector signed short v_part##i = vec_and(mask, v_comp##i); |
| 160 | |
| 161 | { |
| 162 | ITER(0, 1) |
| 163 | ITER(1, 2) |
| 164 | ITER(2, 3) |
| 165 | ITER(3, 4) |
| 166 | ITER(4, 5) |
| 167 | ITER(5, 6) |
| 168 | ITER(6, 7) |
| 169 | |
| 170 | v_numEq = vec_sum4s(v_part0, v_numEq); |
| 171 | v_numEq = vec_sum4s(v_part1, v_numEq); |
| 172 | v_numEq = vec_sum4s(v_part2, v_numEq); |
| 173 | v_numEq = vec_sum4s(v_part3, v_numEq); |
| 174 | v_numEq = vec_sum4s(v_part4, v_numEq); |
| 175 | v_numEq = vec_sum4s(v_part5, v_numEq); |
| 176 | v_numEq = vec_sum4s(v_part6, v_numEq); |
| 177 | } |
| 178 | |
| 179 | #undef ITER |
| 180 | |
| 181 | v_numEq = vec_sums(v_numEq, zero); |
| 182 | |
| 183 | v_numEq = vec_splat(v_numEq, 3); |
| 184 | vec_ste(v_numEq, 0, &numEq); |
| 185 | |
| 186 | if (numEq > c->ppMode.flatnessThreshold){ |
| 187 | const vector unsigned char mmoP1 = (const vector unsigned char) |
| 188 | {0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, |
| 189 | 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B}; |
| 190 | const vector unsigned char mmoP2 = (const vector unsigned char) |
| 191 | {0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F, |
| 192 | 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f}; |
| 193 | const vector unsigned char mmoP = (const vector unsigned char) |
| 194 | vec_lvsl(8, (unsigned char*)0); |
| 195 | |
| 196 | vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1); |
| 197 | vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2); |
| 198 | vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP); |
| 199 | vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1); |
| 200 | vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2); |
| 201 | vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP); |
| 202 | vector signed short mmoDiff = vec_sub(mmoL, mmoR); |
| 203 | vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP); |
| 204 | |
| 205 | if (vec_any_gt(mmoSum, v4QP)) |
| 206 | return 0; |
| 207 | else |
| 208 | return 1; |
| 209 | } |
| 210 | else return 2; |
| 211 | } |
| 212 | |
| 213 | static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) { |
| 214 | /* |
| 215 | this code makes no assumption on src or stride. |
| 216 | One could remove the recomputation of the perm |
| 217 | vector by assuming (stride % 16) == 0, unfortunately |
| 218 | this is not always true. Quite a lot of load/stores |
| 219 | can be removed by assuming proper alignment of |
| 220 | src & stride :-( |
| 221 | */ |
| 222 | uint8_t *src2 = src; |
| 223 | const vector signed int zero = vec_splat_s32(0); |
| 224 | const int properStride = (stride % 16); |
| 225 | const int srcAlign = ((unsigned long)src2 % 16); |
| 226 | DECLARE_ALIGNED(16, short, qp)[8] = {c->QP}; |
| 227 | vector signed short vqp = vec_ld(0, qp); |
| 228 | vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9; |
| 229 | vector unsigned char vbA0, av_uninit(vbA1), av_uninit(vbA2), av_uninit(vbA3), av_uninit(vbA4), av_uninit(vbA5), av_uninit(vbA6), av_uninit(vbA7), av_uninit(vbA8), vbA9; |
| 230 | vector unsigned char vbB0, av_uninit(vbB1), av_uninit(vbB2), av_uninit(vbB3), av_uninit(vbB4), av_uninit(vbB5), av_uninit(vbB6), av_uninit(vbB7), av_uninit(vbB8), vbB9; |
| 231 | vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9; |
| 232 | vector unsigned char perml0, perml1, perml2, perml3, perml4, |
| 233 | perml5, perml6, perml7, perml8, perml9; |
| 234 | register int j0 = 0, |
| 235 | j1 = stride, |
| 236 | j2 = 2 * stride, |
| 237 | j3 = 3 * stride, |
| 238 | j4 = 4 * stride, |
| 239 | j5 = 5 * stride, |
| 240 | j6 = 6 * stride, |
| 241 | j7 = 7 * stride, |
| 242 | j8 = 8 * stride, |
| 243 | j9 = 9 * stride; |
| 244 | |
| 245 | vqp = vec_splat(vqp, 0); |
| 246 | |
| 247 | src2 += stride*3; |
| 248 | |
| 249 | #define LOAD_LINE(i) \ |
| 250 | perml##i = vec_lvsl(i * stride, src2); \ |
| 251 | vbA##i = vec_ld(i * stride, src2); \ |
| 252 | vbB##i = vec_ld(i * stride + 16, src2); \ |
| 253 | vbT##i = vec_perm(vbA##i, vbB##i, perml##i); \ |
| 254 | vb##i = \ |
| 255 | (vector signed short)vec_mergeh((vector unsigned char)zero, \ |
| 256 | (vector unsigned char)vbT##i) |
| 257 | |
| 258 | #define LOAD_LINE_ALIGNED(i) \ |
| 259 | vbT##i = vec_ld(j##i, src2); \ |
| 260 | vb##i = \ |
| 261 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
| 262 | (vector signed char)vbT##i) |
| 263 | |
| 264 | /* Special-casing the aligned case is worthwhile, as all calls from |
| 265 | * the (transposed) horizontable deblocks will be aligned, in addition |
| 266 | * to the naturally aligned vertical deblocks. */ |
| 267 | if (properStride && srcAlign) { |
| 268 | LOAD_LINE_ALIGNED(0); |
| 269 | LOAD_LINE_ALIGNED(1); |
| 270 | LOAD_LINE_ALIGNED(2); |
| 271 | LOAD_LINE_ALIGNED(3); |
| 272 | LOAD_LINE_ALIGNED(4); |
| 273 | LOAD_LINE_ALIGNED(5); |
| 274 | LOAD_LINE_ALIGNED(6); |
| 275 | LOAD_LINE_ALIGNED(7); |
| 276 | LOAD_LINE_ALIGNED(8); |
| 277 | LOAD_LINE_ALIGNED(9); |
| 278 | } else { |
| 279 | LOAD_LINE(0); |
| 280 | LOAD_LINE(1); |
| 281 | LOAD_LINE(2); |
| 282 | LOAD_LINE(3); |
| 283 | LOAD_LINE(4); |
| 284 | LOAD_LINE(5); |
| 285 | LOAD_LINE(6); |
| 286 | LOAD_LINE(7); |
| 287 | LOAD_LINE(8); |
| 288 | LOAD_LINE(9); |
| 289 | } |
| 290 | #undef LOAD_LINE |
| 291 | #undef LOAD_LINE_ALIGNED |
| 292 | { |
| 293 | const vector unsigned short v_2 = vec_splat_u16(2); |
| 294 | const vector unsigned short v_4 = vec_splat_u16(4); |
| 295 | |
| 296 | const vector signed short v_diff01 = vec_sub(vb0, vb1); |
| 297 | const vector unsigned short v_cmp01 = |
| 298 | (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp); |
| 299 | const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01); |
| 300 | const vector signed short v_diff89 = vec_sub(vb8, vb9); |
| 301 | const vector unsigned short v_cmp89 = |
| 302 | (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp); |
| 303 | const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89); |
| 304 | |
| 305 | const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1); |
| 306 | const vector signed short temp02 = vec_add(vb2, vb3); |
| 307 | const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4); |
| 308 | const vector signed short v_sumsB0 = vec_add(temp02, temp03); |
| 309 | |
| 310 | const vector signed short temp11 = vec_sub(v_sumsB0, v_first); |
| 311 | const vector signed short v_sumsB1 = vec_add(temp11, vb4); |
| 312 | |
| 313 | const vector signed short temp21 = vec_sub(v_sumsB1, v_first); |
| 314 | const vector signed short v_sumsB2 = vec_add(temp21, vb5); |
| 315 | |
| 316 | const vector signed short temp31 = vec_sub(v_sumsB2, v_first); |
| 317 | const vector signed short v_sumsB3 = vec_add(temp31, vb6); |
| 318 | |
| 319 | const vector signed short temp41 = vec_sub(v_sumsB3, v_first); |
| 320 | const vector signed short v_sumsB4 = vec_add(temp41, vb7); |
| 321 | |
| 322 | const vector signed short temp51 = vec_sub(v_sumsB4, vb1); |
| 323 | const vector signed short v_sumsB5 = vec_add(temp51, vb8); |
| 324 | |
| 325 | const vector signed short temp61 = vec_sub(v_sumsB5, vb2); |
| 326 | const vector signed short v_sumsB6 = vec_add(temp61, v_last); |
| 327 | |
| 328 | const vector signed short temp71 = vec_sub(v_sumsB6, vb3); |
| 329 | const vector signed short v_sumsB7 = vec_add(temp71, v_last); |
| 330 | |
| 331 | const vector signed short temp81 = vec_sub(v_sumsB7, vb4); |
| 332 | const vector signed short v_sumsB8 = vec_add(temp81, v_last); |
| 333 | |
| 334 | const vector signed short temp91 = vec_sub(v_sumsB8, vb5); |
| 335 | const vector signed short v_sumsB9 = vec_add(temp91, v_last); |
| 336 | |
| 337 | #define COMPUTE_VR(i, j, k) \ |
| 338 | const vector signed short temps1##i = \ |
| 339 | vec_add(v_sumsB##i, v_sumsB##k); \ |
| 340 | const vector signed short temps2##i = \ |
| 341 | vec_mladd(vb##j, (vector signed short)v_2, temps1##i); \ |
| 342 | const vector signed short vr##j = vec_sra(temps2##i, v_4) |
| 343 | |
| 344 | COMPUTE_VR(0, 1, 2); |
| 345 | COMPUTE_VR(1, 2, 3); |
| 346 | COMPUTE_VR(2, 3, 4); |
| 347 | COMPUTE_VR(3, 4, 5); |
| 348 | COMPUTE_VR(4, 5, 6); |
| 349 | COMPUTE_VR(5, 6, 7); |
| 350 | COMPUTE_VR(6, 7, 8); |
| 351 | COMPUTE_VR(7, 8, 9); |
| 352 | |
| 353 | const vector signed char neg1 = vec_splat_s8(-1); |
| 354 | const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 355 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; |
| 356 | |
| 357 | #define PACK_AND_STORE(i) \ |
| 358 | { const vector unsigned char perms##i = \ |
| 359 | vec_lvsr(i * stride, src2); \ |
| 360 | const vector unsigned char vf##i = \ |
| 361 | vec_packsu(vr##i, (vector signed short)zero); \ |
| 362 | const vector unsigned char vg##i = \ |
| 363 | vec_perm(vf##i, vbT##i, permHH); \ |
| 364 | const vector unsigned char mask##i = \ |
| 365 | vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \ |
| 366 | const vector unsigned char vg2##i = \ |
| 367 | vec_perm(vg##i, vg##i, perms##i); \ |
| 368 | const vector unsigned char svA##i = \ |
| 369 | vec_sel(vbA##i, vg2##i, mask##i); \ |
| 370 | const vector unsigned char svB##i = \ |
| 371 | vec_sel(vg2##i, vbB##i, mask##i); \ |
| 372 | vec_st(svA##i, i * stride, src2); \ |
| 373 | vec_st(svB##i, i * stride + 16, src2);} |
| 374 | |
| 375 | #define PACK_AND_STORE_ALIGNED(i) \ |
| 376 | { const vector unsigned char vf##i = \ |
| 377 | vec_packsu(vr##i, (vector signed short)zero); \ |
| 378 | const vector unsigned char vg##i = \ |
| 379 | vec_perm(vf##i, vbT##i, permHH); \ |
| 380 | vec_st(vg##i, i * stride, src2);} |
| 381 | |
| 382 | /* Special-casing the aligned case is worthwhile, as all calls from |
| 383 | * the (transposed) horizontable deblocks will be aligned, in addition |
| 384 | * to the naturally aligned vertical deblocks. */ |
| 385 | if (properStride && srcAlign) { |
| 386 | PACK_AND_STORE_ALIGNED(1) |
| 387 | PACK_AND_STORE_ALIGNED(2) |
| 388 | PACK_AND_STORE_ALIGNED(3) |
| 389 | PACK_AND_STORE_ALIGNED(4) |
| 390 | PACK_AND_STORE_ALIGNED(5) |
| 391 | PACK_AND_STORE_ALIGNED(6) |
| 392 | PACK_AND_STORE_ALIGNED(7) |
| 393 | PACK_AND_STORE_ALIGNED(8) |
| 394 | } else { |
| 395 | PACK_AND_STORE(1) |
| 396 | PACK_AND_STORE(2) |
| 397 | PACK_AND_STORE(3) |
| 398 | PACK_AND_STORE(4) |
| 399 | PACK_AND_STORE(5) |
| 400 | PACK_AND_STORE(6) |
| 401 | PACK_AND_STORE(7) |
| 402 | PACK_AND_STORE(8) |
| 403 | } |
| 404 | #undef PACK_AND_STORE |
| 405 | #undef PACK_AND_STORE_ALIGNED |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | |
| 410 | |
| 411 | static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) { |
| 412 | /* |
| 413 | this code makes no assumption on src or stride. |
| 414 | One could remove the recomputation of the perm |
| 415 | vector by assuming (stride % 16) == 0, unfortunately |
| 416 | this is not always true. Quite a lot of load/stores |
| 417 | can be removed by assuming proper alignment of |
| 418 | src & stride :-( |
| 419 | */ |
| 420 | uint8_t *src2 = src + stride*3; |
| 421 | const vector signed int zero = vec_splat_s32(0); |
| 422 | DECLARE_ALIGNED(16, short, qp)[8] = {8*c->QP}; |
| 423 | vector signed short vqp = vec_splat( |
| 424 | (vector signed short)vec_ld(0, qp), 0); |
| 425 | |
| 426 | #define LOAD_LINE(i) \ |
| 427 | const vector unsigned char perm##i = \ |
| 428 | vec_lvsl(i * stride, src2); \ |
| 429 | const vector unsigned char vbA##i = \ |
| 430 | vec_ld(i * stride, src2); \ |
| 431 | const vector unsigned char vbB##i = \ |
| 432 | vec_ld(i * stride + 16, src2); \ |
| 433 | const vector unsigned char vbT##i = \ |
| 434 | vec_perm(vbA##i, vbB##i, perm##i); \ |
| 435 | const vector signed short vb##i = \ |
| 436 | (vector signed short)vec_mergeh((vector unsigned char)zero, \ |
| 437 | (vector unsigned char)vbT##i) |
| 438 | |
| 439 | LOAD_LINE(1); |
| 440 | LOAD_LINE(2); |
| 441 | LOAD_LINE(3); |
| 442 | LOAD_LINE(4); |
| 443 | LOAD_LINE(5); |
| 444 | LOAD_LINE(6); |
| 445 | LOAD_LINE(7); |
| 446 | LOAD_LINE(8); |
| 447 | #undef LOAD_LINE |
| 448 | |
| 449 | const vector signed short v_1 = vec_splat_s16(1); |
| 450 | const vector signed short v_2 = vec_splat_s16(2); |
| 451 | const vector signed short v_5 = vec_splat_s16(5); |
| 452 | const vector signed short v_32 = vec_sl(v_1, |
| 453 | (vector unsigned short)v_5); |
| 454 | /* middle energy */ |
| 455 | const vector signed short l3minusl6 = vec_sub(vb3, vb6); |
| 456 | const vector signed short l5minusl4 = vec_sub(vb5, vb4); |
| 457 | const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero); |
| 458 | const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6); |
| 459 | const vector signed short absmE = vec_abs(mE); |
| 460 | /* left & right energy */ |
| 461 | const vector signed short l1minusl4 = vec_sub(vb1, vb4); |
| 462 | const vector signed short l3minusl2 = vec_sub(vb3, vb2); |
| 463 | const vector signed short l5minusl8 = vec_sub(vb5, vb8); |
| 464 | const vector signed short l7minusl6 = vec_sub(vb7, vb6); |
| 465 | const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero); |
| 466 | const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero); |
| 467 | const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4); |
| 468 | const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8); |
| 469 | /* d */ |
| 470 | const vector signed short ddiff = vec_sub(absmE, |
| 471 | vec_min(vec_abs(lE), |
| 472 | vec_abs(rE))); |
| 473 | const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero); |
| 474 | const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32); |
| 475 | const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6)); |
| 476 | const vector signed short minusd = vec_sub((vector signed short)zero, d); |
| 477 | const vector signed short finald = vec_sel(minusd, |
| 478 | d, |
| 479 | vec_cmpgt(vec_sub((vector signed short)zero, mE), |
| 480 | (vector signed short)zero)); |
| 481 | /* q */ |
| 482 | const vector signed short qtimes2 = vec_sub(vb4, vb5); |
| 483 | /* for a shift right to behave like /2, we need to add one |
| 484 | to all negative integer */ |
| 485 | const vector signed short rounddown = vec_sel((vector signed short)zero, |
| 486 | v_1, |
| 487 | vec_cmplt(qtimes2, (vector signed short)zero)); |
| 488 | const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1)); |
| 489 | /* clamp */ |
| 490 | const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald); |
| 491 | const vector signed short dclamp_P = vec_min(dclamp_P1, q); |
| 492 | const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald); |
| 493 | const vector signed short dclamp_N = vec_max(dclamp_N1, q); |
| 494 | |
| 495 | const vector signed short dclampedfinal = vec_sel(dclamp_N, |
| 496 | dclamp_P, |
| 497 | vec_cmpgt(q, (vector signed short)zero)); |
| 498 | const vector signed short dornotd = vec_sel((vector signed short)zero, |
| 499 | dclampedfinal, |
| 500 | vec_cmplt(absmE, vqp)); |
| 501 | /* add/subtract to l4 and l5 */ |
| 502 | const vector signed short vb4minusd = vec_sub(vb4, dornotd); |
| 503 | const vector signed short vb5plusd = vec_add(vb5, dornotd); |
| 504 | /* finally, stores */ |
| 505 | const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero); |
| 506 | const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero); |
| 507 | |
| 508 | const vector signed char neg1 = vec_splat_s8(-1); |
| 509 | const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 510 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; |
| 511 | |
| 512 | #define STORE(i) \ |
| 513 | { const vector unsigned char perms##i = \ |
| 514 | vec_lvsr(i * stride, src2); \ |
| 515 | const vector unsigned char vg##i = \ |
| 516 | vec_perm(st##i, vbT##i, permHH); \ |
| 517 | const vector unsigned char mask##i = \ |
| 518 | vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \ |
| 519 | const vector unsigned char vg2##i = \ |
| 520 | vec_perm(vg##i, vg##i, perms##i); \ |
| 521 | const vector unsigned char svA##i = \ |
| 522 | vec_sel(vbA##i, vg2##i, mask##i); \ |
| 523 | const vector unsigned char svB##i = \ |
| 524 | vec_sel(vg2##i, vbB##i, mask##i); \ |
| 525 | vec_st(svA##i, i * stride, src2); \ |
| 526 | vec_st(svB##i, i * stride + 16, src2);} |
| 527 | |
| 528 | STORE(4) |
| 529 | STORE(5) |
| 530 | } |
| 531 | |
| 532 | static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) { |
| 533 | const vector signed int vsint32_8 = vec_splat_s32(8); |
| 534 | const vector unsigned int vuint32_4 = vec_splat_u32(4); |
| 535 | const vector signed char neg1 = vec_splat_s8(-1); |
| 536 | |
| 537 | const vector unsigned char permA1 = (vector unsigned char) |
| 538 | {0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F, |
| 539 | 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F}; |
| 540 | const vector unsigned char permA2 = (vector unsigned char) |
| 541 | {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11, |
| 542 | 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F}; |
| 543 | const vector unsigned char permA1inc = (vector unsigned char) |
| 544 | {0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, |
| 545 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 546 | const vector unsigned char permA2inc = (vector unsigned char) |
| 547 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, |
| 548 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 549 | const vector unsigned char magic = (vector unsigned char) |
| 550 | {0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02, |
| 551 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 552 | const vector unsigned char extractPerm = (vector unsigned char) |
| 553 | {0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01, |
| 554 | 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01}; |
| 555 | const vector unsigned char extractPermInc = (vector unsigned char) |
| 556 | {0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, |
| 557 | 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01}; |
| 558 | const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0); |
| 559 | const vector unsigned char tenRight = (vector unsigned char) |
| 560 | {0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 561 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 562 | const vector unsigned char eightLeft = (vector unsigned char) |
| 563 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 564 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08}; |
| 565 | |
| 566 | /* |
| 567 | this code makes no assumption on src or stride. |
| 568 | One could remove the recomputation of the perm |
| 569 | vector by assuming (stride % 16) == 0, unfortunately |
| 570 | this is not always true. Quite a lot of load/stores |
| 571 | can be removed by assuming proper alignment of |
| 572 | src & stride :-( |
| 573 | */ |
| 574 | uint8_t *srcCopy = src; |
| 575 | DECLARE_ALIGNED(16, uint8_t, dt)[16] = { deringThreshold }; |
| 576 | const vector signed int zero = vec_splat_s32(0); |
| 577 | vector unsigned char v_dt = vec_splat(vec_ld(0, dt), 0); |
| 578 | |
| 579 | #define LOAD_LINE(i) \ |
| 580 | const vector unsigned char perm##i = \ |
| 581 | vec_lvsl(i * stride, srcCopy); \ |
| 582 | vector unsigned char sA##i = vec_ld(i * stride, srcCopy); \ |
| 583 | vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy); \ |
| 584 | vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i) |
| 585 | |
| 586 | LOAD_LINE(0); |
| 587 | LOAD_LINE(1); |
| 588 | LOAD_LINE(2); |
| 589 | LOAD_LINE(3); |
| 590 | LOAD_LINE(4); |
| 591 | LOAD_LINE(5); |
| 592 | LOAD_LINE(6); |
| 593 | LOAD_LINE(7); |
| 594 | LOAD_LINE(8); |
| 595 | LOAD_LINE(9); |
| 596 | #undef LOAD_LINE |
| 597 | |
| 598 | vector unsigned char v_avg; |
| 599 | DECLARE_ALIGNED(16, signed int, S)[8]; |
| 600 | DECLARE_ALIGNED(16, int, tQP2)[4] = { c->QP/2 + 1 }; |
| 601 | vector signed int vQP2 = vec_ld(0, tQP2); |
| 602 | vQP2 = vec_splat(vQP2, 0); |
| 603 | |
| 604 | { |
| 605 | const vector unsigned char trunc_perm = (vector unsigned char) |
| 606 | {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, |
| 607 | 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 608 | const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm); |
| 609 | const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm); |
| 610 | const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm); |
| 611 | const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm); |
| 612 | |
| 613 | #define EXTRACT(op) do { \ |
| 614 | const vector unsigned char s_1 = vec_##op(trunc_src12, trunc_src34); \ |
| 615 | const vector unsigned char s_2 = vec_##op(trunc_src56, trunc_src78); \ |
| 616 | const vector unsigned char s_6 = vec_##op(s_1, s_2); \ |
| 617 | const vector unsigned char s_8h = vec_mergeh(s_6, s_6); \ |
| 618 | const vector unsigned char s_8l = vec_mergel(s_6, s_6); \ |
| 619 | const vector unsigned char s_9 = vec_##op(s_8h, s_8l); \ |
| 620 | const vector unsigned char s_9h = vec_mergeh(s_9, s_9); \ |
| 621 | const vector unsigned char s_9l = vec_mergel(s_9, s_9); \ |
| 622 | const vector unsigned char s_10 = vec_##op(s_9h, s_9l); \ |
| 623 | const vector unsigned char s_10h = vec_mergeh(s_10, s_10); \ |
| 624 | const vector unsigned char s_10l = vec_mergel(s_10, s_10); \ |
| 625 | const vector unsigned char s_11 = vec_##op(s_10h, s_10l); \ |
| 626 | const vector unsigned char s_11h = vec_mergeh(s_11, s_11); \ |
| 627 | const vector unsigned char s_11l = vec_mergel(s_11, s_11); \ |
| 628 | v_##op = vec_##op(s_11h, s_11l); \ |
| 629 | } while (0) |
| 630 | |
| 631 | vector unsigned char v_min; |
| 632 | vector unsigned char v_max; |
| 633 | EXTRACT(min); |
| 634 | EXTRACT(max); |
| 635 | #undef EXTRACT |
| 636 | |
| 637 | if (vec_all_lt(vec_sub(v_max, v_min), v_dt)) |
| 638 | return; |
| 639 | |
| 640 | v_avg = vec_avg(v_min, v_max); |
| 641 | } |
| 642 | |
| 643 | { |
| 644 | const vector unsigned short mask1 = (vector unsigned short) |
| 645 | {0x0001, 0x0002, 0x0004, 0x0008, |
| 646 | 0x0010, 0x0020, 0x0040, 0x0080}; |
| 647 | const vector unsigned short mask2 = (vector unsigned short) |
| 648 | {0x0100, 0x0200, 0x0000, 0x0000, |
| 649 | 0x0000, 0x0000, 0x0000, 0x0000}; |
| 650 | |
| 651 | const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4)); |
| 652 | const vector unsigned int vuint32_1 = vec_splat_u32(1); |
| 653 | |
| 654 | vector signed int sumA2; |
| 655 | vector signed int sumB2; |
| 656 | vector signed int sum0, sum1, sum2, sum3, sum4; |
| 657 | vector signed int sum5, sum6, sum7, sum8, sum9; |
| 658 | |
| 659 | #define COMPARE(i) \ |
| 660 | do { \ |
| 661 | const vector unsigned char cmp = \ |
| 662 | (vector unsigned char)vec_cmpgt(src##i, v_avg); \ |
| 663 | const vector unsigned short cmpHi = \ |
| 664 | (vector unsigned short)vec_mergeh(cmp, cmp); \ |
| 665 | const vector unsigned short cmpLi = \ |
| 666 | (vector unsigned short)vec_mergel(cmp, cmp); \ |
| 667 | const vector signed short cmpHf = \ |
| 668 | (vector signed short)vec_and(cmpHi, mask1); \ |
| 669 | const vector signed short cmpLf = \ |
| 670 | (vector signed short)vec_and(cmpLi, mask2); \ |
| 671 | const vector signed int sump = vec_sum4s(cmpHf, zero); \ |
| 672 | const vector signed int sumq = vec_sum4s(cmpLf, sump); \ |
| 673 | sum##i = vec_sums(sumq, zero); \ |
| 674 | } while (0) |
| 675 | |
| 676 | COMPARE(0); |
| 677 | COMPARE(1); |
| 678 | COMPARE(2); |
| 679 | COMPARE(3); |
| 680 | COMPARE(4); |
| 681 | COMPARE(5); |
| 682 | COMPARE(6); |
| 683 | COMPARE(7); |
| 684 | COMPARE(8); |
| 685 | COMPARE(9); |
| 686 | #undef COMPARE |
| 687 | |
| 688 | { |
| 689 | const vector signed int sump02 = vec_mergel(sum0, sum2); |
| 690 | const vector signed int sump13 = vec_mergel(sum1, sum3); |
| 691 | const vector signed int sumA = vec_mergel(sump02, sump13); |
| 692 | |
| 693 | const vector signed int sump46 = vec_mergel(sum4, sum6); |
| 694 | const vector signed int sump57 = vec_mergel(sum5, sum7); |
| 695 | const vector signed int sumB = vec_mergel(sump46, sump57); |
| 696 | |
| 697 | const vector signed int sump8A = vec_mergel(sum8, zero); |
| 698 | const vector signed int sump9B = vec_mergel(sum9, zero); |
| 699 | const vector signed int sumC = vec_mergel(sump8A, sump9B); |
| 700 | |
| 701 | const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16); |
| 702 | const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16); |
| 703 | const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16); |
| 704 | const vector signed int t2A = vec_or(sumA, tA); |
| 705 | const vector signed int t2B = vec_or(sumB, tB); |
| 706 | const vector signed int t2C = vec_or(sumC, tC); |
| 707 | const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1), |
| 708 | vec_sl(t2A, vuint32_1)); |
| 709 | const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1), |
| 710 | vec_sl(t2B, vuint32_1)); |
| 711 | const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1), |
| 712 | vec_sl(t2C, vuint32_1)); |
| 713 | const vector signed int yA = vec_and(t2A, t3A); |
| 714 | const vector signed int yB = vec_and(t2B, t3B); |
| 715 | const vector signed int yC = vec_and(t2C, t3C); |
| 716 | |
| 717 | const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0); |
| 718 | const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0); |
| 719 | const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1); |
| 720 | const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2); |
| 721 | const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1); |
| 722 | const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2); |
| 723 | const vector signed int sumAp = vec_and(yA, |
| 724 | vec_and(sumAd4,sumAd8)); |
| 725 | const vector signed int sumBp = vec_and(yB, |
| 726 | vec_and(sumBd4,sumBd8)); |
| 727 | sumA2 = vec_or(sumAp, |
| 728 | vec_sra(sumAp, |
| 729 | vuint32_16)); |
| 730 | sumB2 = vec_or(sumBp, |
| 731 | vec_sra(sumBp, |
| 732 | vuint32_16)); |
| 733 | } |
| 734 | vec_st(sumA2, 0, S); |
| 735 | vec_st(sumB2, 16, S); |
| 736 | } |
| 737 | |
| 738 | /* I'm not sure the following is actually faster |
| 739 | than straight, unvectorized C code :-( */ |
| 740 | |
| 741 | #define F_INIT() \ |
| 742 | vector unsigned char tenRightM = tenRight; \ |
| 743 | vector unsigned char permA1M = permA1; \ |
| 744 | vector unsigned char permA2M = permA2; \ |
| 745 | vector unsigned char extractPermM = extractPerm |
| 746 | |
| 747 | #define F2(i, j, k, l) \ |
| 748 | if (S[i] & (1 << (l+1))) { \ |
| 749 | const vector unsigned char a_A = vec_perm(src##i, src##j, permA1M); \ |
| 750 | const vector unsigned char a_B = vec_perm(a_A, src##k, permA2M); \ |
| 751 | const vector signed int a_sump = \ |
| 752 | (vector signed int)vec_msum(a_B, magic, (vector unsigned int)zero);\ |
| 753 | vector signed int F = vec_sr(vec_sums(a_sump, vsint32_8), vuint32_4); \ |
| 754 | const vector signed int p = \ |
| 755 | (vector signed int)vec_perm(src##j, (vector unsigned char)zero, \ |
| 756 | extractPermM); \ |
| 757 | const vector signed int sum = vec_add(p, vQP2); \ |
| 758 | const vector signed int diff = vec_sub(p, vQP2); \ |
| 759 | vector signed int newpm; \ |
| 760 | vector unsigned char newpm2, mask; \ |
| 761 | F = vec_splat(F, 3); \ |
| 762 | if (vec_all_lt(sum, F)) \ |
| 763 | newpm = sum; \ |
| 764 | else if (vec_all_gt(diff, F)) \ |
| 765 | newpm = diff; \ |
| 766 | else newpm = F; \ |
| 767 | newpm2 = vec_splat((vector unsigned char)newpm, 15); \ |
| 768 | mask = vec_add(identity, tenRightM); \ |
| 769 | src##j = vec_perm(src##j, newpm2, mask); \ |
| 770 | } \ |
| 771 | permA1M = vec_add(permA1M, permA1inc); \ |
| 772 | permA2M = vec_add(permA2M, permA2inc); \ |
| 773 | tenRightM = vec_sro(tenRightM, eightLeft); \ |
| 774 | extractPermM = vec_add(extractPermM, extractPermInc) |
| 775 | |
| 776 | #define ITER(i, j, k) do { \ |
| 777 | F_INIT(); \ |
| 778 | F2(i, j, k, 0); \ |
| 779 | F2(i, j, k, 1); \ |
| 780 | F2(i, j, k, 2); \ |
| 781 | F2(i, j, k, 3); \ |
| 782 | F2(i, j, k, 4); \ |
| 783 | F2(i, j, k, 5); \ |
| 784 | F2(i, j, k, 6); \ |
| 785 | F2(i, j, k, 7); \ |
| 786 | } while (0) |
| 787 | |
| 788 | ITER(0, 1, 2); |
| 789 | ITER(1, 2, 3); |
| 790 | ITER(2, 3, 4); |
| 791 | ITER(3, 4, 5); |
| 792 | ITER(4, 5, 6); |
| 793 | ITER(5, 6, 7); |
| 794 | ITER(6, 7, 8); |
| 795 | ITER(7, 8, 9); |
| 796 | |
| 797 | #define STORE_LINE(i) do { \ |
| 798 | const vector unsigned char permST = \ |
| 799 | vec_lvsr(i * stride, srcCopy); \ |
| 800 | const vector unsigned char maskST = \ |
| 801 | vec_perm((vector unsigned char)zero, \ |
| 802 | (vector unsigned char)neg1, permST); \ |
| 803 | src##i = vec_perm(src##i ,src##i, permST); \ |
| 804 | sA##i= vec_sel(sA##i, src##i, maskST); \ |
| 805 | sB##i= vec_sel(src##i, sB##i, maskST); \ |
| 806 | vec_st(sA##i, i * stride, srcCopy); \ |
| 807 | vec_st(sB##i, i * stride + 16, srcCopy); \ |
| 808 | } while (0) |
| 809 | |
| 810 | STORE_LINE(1); |
| 811 | STORE_LINE(2); |
| 812 | STORE_LINE(3); |
| 813 | STORE_LINE(4); |
| 814 | STORE_LINE(5); |
| 815 | STORE_LINE(6); |
| 816 | STORE_LINE(7); |
| 817 | STORE_LINE(8); |
| 818 | |
| 819 | #undef STORE_LINE |
| 820 | #undef ITER |
| 821 | #undef F2 |
| 822 | } |
| 823 | |
| 824 | #define doHorizLowPass_altivec(a...) doHorizLowPass_C(a) |
| 825 | #define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a) |
| 826 | #define do_a_deblock_altivec(a...) do_a_deblock_C(a) |
| 827 | |
| 828 | static inline void tempNoiseReducer_altivec(uint8_t *src, int stride, |
| 829 | uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise) |
| 830 | { |
| 831 | const vector signed char neg1 = vec_splat_s8(-1); |
| 832 | const vector unsigned char permHH = (const vector unsigned char){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 833 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; |
| 834 | |
| 835 | const vector signed int zero = vec_splat_s32(0); |
| 836 | const vector signed short vsint16_1 = vec_splat_s16(1); |
| 837 | vector signed int v_dp = zero; |
| 838 | vector signed int v_sysdp = zero; |
| 839 | int d, sysd, i; |
| 840 | |
| 841 | #define LOAD_LINE(src, i) \ |
| 842 | register int j##src##i = i * stride; \ |
| 843 | vector unsigned char perm##src##i = vec_lvsl(j##src##i, src); \ |
| 844 | const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \ |
| 845 | const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \ |
| 846 | const vector unsigned char v_##src##A##i = \ |
| 847 | vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i); \ |
| 848 | vector signed short v_##src##Ass##i = \ |
| 849 | (vector signed short)vec_mergeh((vector signed char)zero, \ |
| 850 | (vector signed char)v_##src##A##i) |
| 851 | |
| 852 | LOAD_LINE(src, 0); |
| 853 | LOAD_LINE(src, 1); |
| 854 | LOAD_LINE(src, 2); |
| 855 | LOAD_LINE(src, 3); |
| 856 | LOAD_LINE(src, 4); |
| 857 | LOAD_LINE(src, 5); |
| 858 | LOAD_LINE(src, 6); |
| 859 | LOAD_LINE(src, 7); |
| 860 | |
| 861 | LOAD_LINE(tempBlurred, 0); |
| 862 | LOAD_LINE(tempBlurred, 1); |
| 863 | LOAD_LINE(tempBlurred, 2); |
| 864 | LOAD_LINE(tempBlurred, 3); |
| 865 | LOAD_LINE(tempBlurred, 4); |
| 866 | LOAD_LINE(tempBlurred, 5); |
| 867 | LOAD_LINE(tempBlurred, 6); |
| 868 | LOAD_LINE(tempBlurred, 7); |
| 869 | #undef LOAD_LINE |
| 870 | |
| 871 | #define ACCUMULATE_DIFFS(i) do { \ |
| 872 | vector signed short v_d = vec_sub(v_tempBlurredAss##i, \ |
| 873 | v_srcAss##i); \ |
| 874 | v_dp = vec_msums(v_d, v_d, v_dp); \ |
| 875 | v_sysdp = vec_msums(v_d, vsint16_1, v_sysdp); \ |
| 876 | } while (0) |
| 877 | |
| 878 | ACCUMULATE_DIFFS(0); |
| 879 | ACCUMULATE_DIFFS(1); |
| 880 | ACCUMULATE_DIFFS(2); |
| 881 | ACCUMULATE_DIFFS(3); |
| 882 | ACCUMULATE_DIFFS(4); |
| 883 | ACCUMULATE_DIFFS(5); |
| 884 | ACCUMULATE_DIFFS(6); |
| 885 | ACCUMULATE_DIFFS(7); |
| 886 | #undef ACCUMULATE_DIFFS |
| 887 | |
| 888 | tempBlurredPast[127]= maxNoise[0]; |
| 889 | tempBlurredPast[128]= maxNoise[1]; |
| 890 | tempBlurredPast[129]= maxNoise[2]; |
| 891 | |
| 892 | v_dp = vec_sums(v_dp, zero); |
| 893 | v_sysdp = vec_sums(v_sysdp, zero); |
| 894 | |
| 895 | v_dp = vec_splat(v_dp, 3); |
| 896 | v_sysdp = vec_splat(v_sysdp, 3); |
| 897 | |
| 898 | vec_ste(v_dp, 0, &d); |
| 899 | vec_ste(v_sysdp, 0, &sysd); |
| 900 | |
| 901 | i = d; |
| 902 | d = (4*d |
| 903 | +(*(tempBlurredPast-256)) |
| 904 | +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1)) |
| 905 | +(*(tempBlurredPast+256)) |
| 906 | +4)>>3; |
| 907 | |
| 908 | *tempBlurredPast=i; |
| 909 | |
| 910 | if (d > maxNoise[1]) { |
| 911 | if (d < maxNoise[2]) { |
| 912 | #define OP(i) v_tempBlurredAss##i = vec_avg(v_tempBlurredAss##i, v_srcAss##i); |
| 913 | |
| 914 | OP(0); |
| 915 | OP(1); |
| 916 | OP(2); |
| 917 | OP(3); |
| 918 | OP(4); |
| 919 | OP(5); |
| 920 | OP(6); |
| 921 | OP(7); |
| 922 | #undef OP |
| 923 | } else { |
| 924 | #define OP(i) v_tempBlurredAss##i = v_srcAss##i; |
| 925 | |
| 926 | OP(0); |
| 927 | OP(1); |
| 928 | OP(2); |
| 929 | OP(3); |
| 930 | OP(4); |
| 931 | OP(5); |
| 932 | OP(6); |
| 933 | OP(7); |
| 934 | #undef OP |
| 935 | } |
| 936 | } else { |
| 937 | if (d < maxNoise[0]) { |
| 938 | const vector signed short vsint16_7 = vec_splat_s16(7); |
| 939 | const vector signed short vsint16_4 = vec_splat_s16(4); |
| 940 | const vector unsigned short vuint16_3 = vec_splat_u16(3); |
| 941 | |
| 942 | #define OP(i) do { \ |
| 943 | const vector signed short v_temp = \ |
| 944 | vec_mladd(v_tempBlurredAss##i, vsint16_7, v_srcAss##i); \ |
| 945 | const vector signed short v_temp2 = vec_add(v_temp, vsint16_4); \ |
| 946 | v_tempBlurredAss##i = vec_sr(v_temp2, vuint16_3); \ |
| 947 | } while (0) |
| 948 | |
| 949 | OP(0); |
| 950 | OP(1); |
| 951 | OP(2); |
| 952 | OP(3); |
| 953 | OP(4); |
| 954 | OP(5); |
| 955 | OP(6); |
| 956 | OP(7); |
| 957 | #undef OP |
| 958 | } else { |
| 959 | const vector signed short vsint16_3 = vec_splat_s16(3); |
| 960 | const vector signed short vsint16_2 = vec_splat_s16(2); |
| 961 | |
| 962 | #define OP(i) do { \ |
| 963 | const vector signed short v_temp = \ |
| 964 | vec_mladd(v_tempBlurredAss##i, vsint16_3, v_srcAss##i); \ |
| 965 | const vector signed short v_temp2 = vec_add(v_temp, vsint16_2); \ |
| 966 | v_tempBlurredAss##i = \ |
| 967 | vec_sr(v_temp2, (vector unsigned short)vsint16_2); \ |
| 968 | } while (0) |
| 969 | |
| 970 | OP(0); |
| 971 | OP(1); |
| 972 | OP(2); |
| 973 | OP(3); |
| 974 | OP(4); |
| 975 | OP(5); |
| 976 | OP(6); |
| 977 | OP(7); |
| 978 | #undef OP |
| 979 | } |
| 980 | } |
| 981 | |
| 982 | #define PACK_AND_STORE(src, i) do { \ |
| 983 | const vector unsigned char perms = vec_lvsr(i * stride, src); \ |
| 984 | const vector unsigned char vf = \ |
| 985 | vec_packsu(v_tempBlurredAss##1, (vector signed short)zero); \ |
| 986 | const vector unsigned char vg = vec_perm(vf, v_##src##A##i, permHH); \ |
| 987 | const vector unsigned char mask = \ |
| 988 | vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms); \ |
| 989 | const vector unsigned char vg2 = vec_perm(vg, vg, perms); \ |
| 990 | const vector unsigned char svA = vec_sel(v_##src##A1##i, vg2, mask); \ |
| 991 | const vector unsigned char svB = vec_sel(vg2, v_##src##A2##i, mask); \ |
| 992 | vec_st(svA, i * stride, src); \ |
| 993 | vec_st(svB, i * stride + 16, src); \ |
| 994 | } while (0) |
| 995 | |
| 996 | PACK_AND_STORE(src, 0); |
| 997 | PACK_AND_STORE(src, 1); |
| 998 | PACK_AND_STORE(src, 2); |
| 999 | PACK_AND_STORE(src, 3); |
| 1000 | PACK_AND_STORE(src, 4); |
| 1001 | PACK_AND_STORE(src, 5); |
| 1002 | PACK_AND_STORE(src, 6); |
| 1003 | PACK_AND_STORE(src, 7); |
| 1004 | PACK_AND_STORE(tempBlurred, 0); |
| 1005 | PACK_AND_STORE(tempBlurred, 1); |
| 1006 | PACK_AND_STORE(tempBlurred, 2); |
| 1007 | PACK_AND_STORE(tempBlurred, 3); |
| 1008 | PACK_AND_STORE(tempBlurred, 4); |
| 1009 | PACK_AND_STORE(tempBlurred, 5); |
| 1010 | PACK_AND_STORE(tempBlurred, 6); |
| 1011 | PACK_AND_STORE(tempBlurred, 7); |
| 1012 | #undef PACK_AND_STORE |
| 1013 | } |
| 1014 | |
| 1015 | static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) { |
| 1016 | const vector unsigned char zero = vec_splat_u8(0); |
| 1017 | |
| 1018 | #define LOAD_DOUBLE_LINE(i, j) \ |
| 1019 | vector unsigned char perm1##i = vec_lvsl(i * stride, src); \ |
| 1020 | vector unsigned char perm2##i = vec_lvsl(j * stride, src); \ |
| 1021 | vector unsigned char srcA##i = vec_ld(i * stride, src); \ |
| 1022 | vector unsigned char srcB##i = vec_ld(i * stride + 16, src); \ |
| 1023 | vector unsigned char srcC##i = vec_ld(j * stride, src); \ |
| 1024 | vector unsigned char srcD##i = vec_ld(j * stride+ 16, src); \ |
| 1025 | vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \ |
| 1026 | vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i) |
| 1027 | |
| 1028 | LOAD_DOUBLE_LINE(0, 1); |
| 1029 | LOAD_DOUBLE_LINE(2, 3); |
| 1030 | LOAD_DOUBLE_LINE(4, 5); |
| 1031 | LOAD_DOUBLE_LINE(6, 7); |
| 1032 | #undef LOAD_DOUBLE_LINE |
| 1033 | |
| 1034 | vector unsigned char tempA = vec_mergeh(src0, zero); |
| 1035 | vector unsigned char tempB = vec_mergel(src0, zero); |
| 1036 | vector unsigned char tempC = vec_mergeh(src1, zero); |
| 1037 | vector unsigned char tempD = vec_mergel(src1, zero); |
| 1038 | vector unsigned char tempE = vec_mergeh(src2, zero); |
| 1039 | vector unsigned char tempF = vec_mergel(src2, zero); |
| 1040 | vector unsigned char tempG = vec_mergeh(src3, zero); |
| 1041 | vector unsigned char tempH = vec_mergel(src3, zero); |
| 1042 | vector unsigned char tempI = vec_mergeh(src4, zero); |
| 1043 | vector unsigned char tempJ = vec_mergel(src4, zero); |
| 1044 | vector unsigned char tempK = vec_mergeh(src5, zero); |
| 1045 | vector unsigned char tempL = vec_mergel(src5, zero); |
| 1046 | vector unsigned char tempM = vec_mergeh(src6, zero); |
| 1047 | vector unsigned char tempN = vec_mergel(src6, zero); |
| 1048 | vector unsigned char tempO = vec_mergeh(src7, zero); |
| 1049 | vector unsigned char tempP = vec_mergel(src7, zero); |
| 1050 | |
| 1051 | vector unsigned char temp0 = vec_mergeh(tempA, tempI); |
| 1052 | vector unsigned char temp1 = vec_mergel(tempA, tempI); |
| 1053 | vector unsigned char temp2 = vec_mergeh(tempB, tempJ); |
| 1054 | vector unsigned char temp3 = vec_mergel(tempB, tempJ); |
| 1055 | vector unsigned char temp4 = vec_mergeh(tempC, tempK); |
| 1056 | vector unsigned char temp5 = vec_mergel(tempC, tempK); |
| 1057 | vector unsigned char temp6 = vec_mergeh(tempD, tempL); |
| 1058 | vector unsigned char temp7 = vec_mergel(tempD, tempL); |
| 1059 | vector unsigned char temp8 = vec_mergeh(tempE, tempM); |
| 1060 | vector unsigned char temp9 = vec_mergel(tempE, tempM); |
| 1061 | vector unsigned char temp10 = vec_mergeh(tempF, tempN); |
| 1062 | vector unsigned char temp11 = vec_mergel(tempF, tempN); |
| 1063 | vector unsigned char temp12 = vec_mergeh(tempG, tempO); |
| 1064 | vector unsigned char temp13 = vec_mergel(tempG, tempO); |
| 1065 | vector unsigned char temp14 = vec_mergeh(tempH, tempP); |
| 1066 | vector unsigned char temp15 = vec_mergel(tempH, tempP); |
| 1067 | |
| 1068 | tempA = vec_mergeh(temp0, temp8); |
| 1069 | tempB = vec_mergel(temp0, temp8); |
| 1070 | tempC = vec_mergeh(temp1, temp9); |
| 1071 | tempD = vec_mergel(temp1, temp9); |
| 1072 | tempE = vec_mergeh(temp2, temp10); |
| 1073 | tempF = vec_mergel(temp2, temp10); |
| 1074 | tempG = vec_mergeh(temp3, temp11); |
| 1075 | tempH = vec_mergel(temp3, temp11); |
| 1076 | tempI = vec_mergeh(temp4, temp12); |
| 1077 | tempJ = vec_mergel(temp4, temp12); |
| 1078 | tempK = vec_mergeh(temp5, temp13); |
| 1079 | tempL = vec_mergel(temp5, temp13); |
| 1080 | tempM = vec_mergeh(temp6, temp14); |
| 1081 | tempN = vec_mergel(temp6, temp14); |
| 1082 | tempO = vec_mergeh(temp7, temp15); |
| 1083 | tempP = vec_mergel(temp7, temp15); |
| 1084 | |
| 1085 | temp0 = vec_mergeh(tempA, tempI); |
| 1086 | temp1 = vec_mergel(tempA, tempI); |
| 1087 | temp2 = vec_mergeh(tempB, tempJ); |
| 1088 | temp3 = vec_mergel(tempB, tempJ); |
| 1089 | temp4 = vec_mergeh(tempC, tempK); |
| 1090 | temp5 = vec_mergel(tempC, tempK); |
| 1091 | temp6 = vec_mergeh(tempD, tempL); |
| 1092 | temp7 = vec_mergel(tempD, tempL); |
| 1093 | temp8 = vec_mergeh(tempE, tempM); |
| 1094 | temp9 = vec_mergel(tempE, tempM); |
| 1095 | temp10 = vec_mergeh(tempF, tempN); |
| 1096 | temp11 = vec_mergel(tempF, tempN); |
| 1097 | temp12 = vec_mergeh(tempG, tempO); |
| 1098 | temp13 = vec_mergel(tempG, tempO); |
| 1099 | temp14 = vec_mergeh(tempH, tempP); |
| 1100 | temp15 = vec_mergel(tempH, tempP); |
| 1101 | |
| 1102 | vec_st(temp0, 0, dst); |
| 1103 | vec_st(temp1, 16, dst); |
| 1104 | vec_st(temp2, 32, dst); |
| 1105 | vec_st(temp3, 48, dst); |
| 1106 | vec_st(temp4, 64, dst); |
| 1107 | vec_st(temp5, 80, dst); |
| 1108 | vec_st(temp6, 96, dst); |
| 1109 | vec_st(temp7, 112, dst); |
| 1110 | vec_st(temp8, 128, dst); |
| 1111 | vec_st(temp9, 144, dst); |
| 1112 | vec_st(temp10, 160, dst); |
| 1113 | vec_st(temp11, 176, dst); |
| 1114 | vec_st(temp12, 192, dst); |
| 1115 | vec_st(temp13, 208, dst); |
| 1116 | vec_st(temp14, 224, dst); |
| 1117 | vec_st(temp15, 240, dst); |
| 1118 | } |
| 1119 | |
| 1120 | static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) { |
| 1121 | const vector unsigned char zero = vec_splat_u8(0); |
| 1122 | const vector signed char neg1 = vec_splat_s8(-1); |
| 1123 | |
| 1124 | #define LOAD_DOUBLE_LINE(i, j) \ |
| 1125 | vector unsigned char src##i = vec_ld(i * 16, src); \ |
| 1126 | vector unsigned char src##j = vec_ld(j * 16, src) |
| 1127 | |
| 1128 | LOAD_DOUBLE_LINE(0, 1); |
| 1129 | LOAD_DOUBLE_LINE(2, 3); |
| 1130 | LOAD_DOUBLE_LINE(4, 5); |
| 1131 | LOAD_DOUBLE_LINE(6, 7); |
| 1132 | LOAD_DOUBLE_LINE(8, 9); |
| 1133 | LOAD_DOUBLE_LINE(10, 11); |
| 1134 | LOAD_DOUBLE_LINE(12, 13); |
| 1135 | LOAD_DOUBLE_LINE(14, 15); |
| 1136 | #undef LOAD_DOUBLE_LINE |
| 1137 | |
| 1138 | vector unsigned char tempA = vec_mergeh(src0, src8); |
| 1139 | vector unsigned char tempB; |
| 1140 | vector unsigned char tempC = vec_mergeh(src1, src9); |
| 1141 | vector unsigned char tempD; |
| 1142 | vector unsigned char tempE = vec_mergeh(src2, src10); |
| 1143 | vector unsigned char tempG = vec_mergeh(src3, src11); |
| 1144 | vector unsigned char tempI = vec_mergeh(src4, src12); |
| 1145 | vector unsigned char tempJ; |
| 1146 | vector unsigned char tempK = vec_mergeh(src5, src13); |
| 1147 | vector unsigned char tempL; |
| 1148 | vector unsigned char tempM = vec_mergeh(src6, src14); |
| 1149 | vector unsigned char tempO = vec_mergeh(src7, src15); |
| 1150 | |
| 1151 | vector unsigned char temp0 = vec_mergeh(tempA, tempI); |
| 1152 | vector unsigned char temp1 = vec_mergel(tempA, tempI); |
| 1153 | vector unsigned char temp2; |
| 1154 | vector unsigned char temp3; |
| 1155 | vector unsigned char temp4 = vec_mergeh(tempC, tempK); |
| 1156 | vector unsigned char temp5 = vec_mergel(tempC, tempK); |
| 1157 | vector unsigned char temp6; |
| 1158 | vector unsigned char temp7; |
| 1159 | vector unsigned char temp8 = vec_mergeh(tempE, tempM); |
| 1160 | vector unsigned char temp9 = vec_mergel(tempE, tempM); |
| 1161 | vector unsigned char temp12 = vec_mergeh(tempG, tempO); |
| 1162 | vector unsigned char temp13 = vec_mergel(tempG, tempO); |
| 1163 | |
| 1164 | tempA = vec_mergeh(temp0, temp8); |
| 1165 | tempB = vec_mergel(temp0, temp8); |
| 1166 | tempC = vec_mergeh(temp1, temp9); |
| 1167 | tempD = vec_mergel(temp1, temp9); |
| 1168 | tempI = vec_mergeh(temp4, temp12); |
| 1169 | tempJ = vec_mergel(temp4, temp12); |
| 1170 | tempK = vec_mergeh(temp5, temp13); |
| 1171 | tempL = vec_mergel(temp5, temp13); |
| 1172 | |
| 1173 | temp0 = vec_mergeh(tempA, tempI); |
| 1174 | temp1 = vec_mergel(tempA, tempI); |
| 1175 | temp2 = vec_mergeh(tempB, tempJ); |
| 1176 | temp3 = vec_mergel(tempB, tempJ); |
| 1177 | temp4 = vec_mergeh(tempC, tempK); |
| 1178 | temp5 = vec_mergel(tempC, tempK); |
| 1179 | temp6 = vec_mergeh(tempD, tempL); |
| 1180 | temp7 = vec_mergel(tempD, tempL); |
| 1181 | |
| 1182 | |
| 1183 | #define STORE_DOUBLE_LINE(i, j) do { \ |
| 1184 | vector unsigned char dstAi = vec_ld(i * stride, dst); \ |
| 1185 | vector unsigned char dstBi = vec_ld(i * stride + 16, dst); \ |
| 1186 | vector unsigned char dstAj = vec_ld(j * stride, dst); \ |
| 1187 | vector unsigned char dstBj = vec_ld(j * stride+ 16, dst); \ |
| 1188 | vector unsigned char aligni = vec_lvsr(i * stride, dst); \ |
| 1189 | vector unsigned char alignj = vec_lvsr(j * stride, dst); \ |
| 1190 | vector unsigned char maski = \ |
| 1191 | vec_perm(zero, (vector unsigned char)neg1, aligni); \ |
| 1192 | vector unsigned char maskj = \ |
| 1193 | vec_perm(zero, (vector unsigned char)neg1, alignj); \ |
| 1194 | vector unsigned char dstRi = vec_perm(temp##i, temp##i, aligni); \ |
| 1195 | vector unsigned char dstRj = vec_perm(temp##j, temp##j, alignj); \ |
| 1196 | vector unsigned char dstAFi = vec_sel(dstAi, dstRi, maski); \ |
| 1197 | vector unsigned char dstBFi = vec_sel(dstRi, dstBi, maski); \ |
| 1198 | vector unsigned char dstAFj = vec_sel(dstAj, dstRj, maskj); \ |
| 1199 | vector unsigned char dstBFj = vec_sel(dstRj, dstBj, maskj); \ |
| 1200 | vec_st(dstAFi, i * stride, dst); \ |
| 1201 | vec_st(dstBFi, i * stride + 16, dst); \ |
| 1202 | vec_st(dstAFj, j * stride, dst); \ |
| 1203 | vec_st(dstBFj, j * stride + 16, dst); \ |
| 1204 | } while (0) |
| 1205 | |
| 1206 | STORE_DOUBLE_LINE(0,1); |
| 1207 | STORE_DOUBLE_LINE(2,3); |
| 1208 | STORE_DOUBLE_LINE(4,5); |
| 1209 | STORE_DOUBLE_LINE(6,7); |
| 1210 | } |