highbd_convolve_2d_ssse3.c (17061B)
1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #include <tmmintrin.h> 13 #include <assert.h> 14 15 #include "config/av1_rtcd.h" 16 17 #include "aom_dsp/aom_dsp_common.h" 18 #include "aom_dsp/aom_filter.h" 19 #include "aom_dsp/x86/convolve_sse2.h" 20 #include "av1/common/convolve.h" 21 #include "aom_dsp/x86/convolve_common_intrin.h" 22 23 void av1_highbd_convolve_2d_sr_ssse3( 24 const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w, 25 int h, const InterpFilterParams *filter_params_x, 26 const InterpFilterParams *filter_params_y, const int subpel_x_qn, 27 const int subpel_y_qn, ConvolveParams *conv_params, int bd) { 28 DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]); 29 int im_h = h + filter_params_y->taps - 1; 30 int im_stride = 8; 31 int i, j; 32 const int fo_vert = filter_params_y->taps / 2 - 1; 33 const int fo_horiz = filter_params_x->taps / 2 - 1; 34 const uint16_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; 35 36 // Check that, even with 12-bit input, the intermediate values will fit 37 // into an unsigned 16-bit intermediate array. 38 assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16); 39 40 const __m128i round_const_x = _mm_set1_epi32( 41 ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1))); 42 const __m128i round_shift_x = _mm_cvtsi32_si128(conv_params->round_0); 43 44 const __m128i round_const_y = 45 _mm_set1_epi32(((1 << conv_params->round_1) >> 1) - 46 (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); 47 const __m128i round_shift_y = _mm_cvtsi32_si128(conv_params->round_1); 48 49 const int bits = 50 FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; 51 const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); 52 const __m128i round_const_bits = _mm_set1_epi32((1 << bits) >> 1); 53 const __m128i clip_pixel = 54 _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); 55 const __m128i zero = _mm_setzero_si128(); 56 57 if (filter_params_x->taps == 12) { 58 __m128i coeffs_x[6], coeffs_y[6], s[24]; 59 prepare_coeffs_12tap(filter_params_x, subpel_x_qn, coeffs_x); 60 prepare_coeffs_12tap(filter_params_y, subpel_y_qn, coeffs_y); 61 62 for (j = 0; j < w; j += 8) { 63 /* Horizontal filter */ 64 { 65 for (i = 0; i < im_h; i += 1) { 66 const __m128i row00 = 67 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); 68 const __m128i row01 = 69 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]); 70 const __m128i row02 = 71 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 16)]); 72 73 // even pixels 74 s[0] = _mm_alignr_epi8(row01, row00, 0); 75 s[1] = _mm_alignr_epi8(row01, row00, 4); 76 s[2] = _mm_alignr_epi8(row01, row00, 8); 77 s[3] = _mm_alignr_epi8(row01, row00, 12); 78 s[4] = _mm_alignr_epi8(row02, row01, 0); 79 s[5] = _mm_alignr_epi8(row02, row01, 4); 80 81 __m128i res_even = convolve_12tap(s, coeffs_x); 82 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x), 83 round_shift_x); 84 85 // odd pixels 86 s[0] = _mm_alignr_epi8(row01, row00, 2); 87 s[1] = _mm_alignr_epi8(row01, row00, 6); 88 s[2] = _mm_alignr_epi8(row01, row00, 10); 89 s[3] = _mm_alignr_epi8(row01, row00, 14); 90 s[4] = _mm_alignr_epi8(row02, row01, 2); 91 s[5] = _mm_alignr_epi8(row02, row01, 6); 92 93 __m128i res_odd = convolve_12tap(s, coeffs_x); 94 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x), 95 round_shift_x); 96 97 __m128i res_even1 = _mm_packs_epi32(res_even, res_even); 98 __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd); 99 __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1); 100 101 _mm_store_si128((__m128i *)&im_block[i * im_stride], res); 102 } 103 } 104 105 /* Vertical filter */ 106 { 107 __m128i s0 = _mm_loadu_si128((__m128i *)(im_block + 0 * im_stride)); 108 __m128i s1 = _mm_loadu_si128((__m128i *)(im_block + 1 * im_stride)); 109 __m128i s2 = _mm_loadu_si128((__m128i *)(im_block + 2 * im_stride)); 110 __m128i s3 = _mm_loadu_si128((__m128i *)(im_block + 3 * im_stride)); 111 __m128i s4 = _mm_loadu_si128((__m128i *)(im_block + 4 * im_stride)); 112 __m128i s5 = _mm_loadu_si128((__m128i *)(im_block + 5 * im_stride)); 113 __m128i s6 = _mm_loadu_si128((__m128i *)(im_block + 6 * im_stride)); 114 __m128i s7 = _mm_loadu_si128((__m128i *)(im_block + 7 * im_stride)); 115 __m128i s8 = _mm_loadu_si128((__m128i *)(im_block + 8 * im_stride)); 116 __m128i s9 = _mm_loadu_si128((__m128i *)(im_block + 9 * im_stride)); 117 __m128i s10 = _mm_loadu_si128((__m128i *)(im_block + 10 * im_stride)); 118 119 s[0] = _mm_unpacklo_epi16(s0, s1); 120 s[1] = _mm_unpacklo_epi16(s2, s3); 121 s[2] = _mm_unpacklo_epi16(s4, s5); 122 s[3] = _mm_unpacklo_epi16(s6, s7); 123 s[4] = _mm_unpacklo_epi16(s8, s9); 124 125 s[6] = _mm_unpackhi_epi16(s0, s1); 126 s[7] = _mm_unpackhi_epi16(s2, s3); 127 s[8] = _mm_unpackhi_epi16(s4, s5); 128 s[9] = _mm_unpackhi_epi16(s6, s7); 129 s[10] = _mm_unpackhi_epi16(s8, s9); 130 131 s[12] = _mm_unpacklo_epi16(s1, s2); 132 s[13] = _mm_unpacklo_epi16(s3, s4); 133 s[14] = _mm_unpacklo_epi16(s5, s6); 134 s[15] = _mm_unpacklo_epi16(s7, s8); 135 s[16] = _mm_unpacklo_epi16(s9, s10); 136 137 s[18] = _mm_unpackhi_epi16(s1, s2); 138 s[19] = _mm_unpackhi_epi16(s3, s4); 139 s[20] = _mm_unpackhi_epi16(s5, s6); 140 s[21] = _mm_unpackhi_epi16(s7, s8); 141 s[22] = _mm_unpackhi_epi16(s9, s10); 142 143 for (i = 0; i < h; i += 2) { 144 const int16_t *data = &im_block[i * im_stride]; 145 146 __m128i s11 = _mm_loadu_si128((__m128i *)(data + 11 * im_stride)); 147 __m128i s12 = _mm_loadu_si128((__m128i *)(data + 12 * im_stride)); 148 149 s[5] = _mm_unpacklo_epi16(s10, s11); 150 s[11] = _mm_unpackhi_epi16(s10, s11); 151 152 s[17] = _mm_unpacklo_epi16(s11, s12); 153 s[23] = _mm_unpackhi_epi16(s11, s12); 154 155 const __m128i res_a0 = convolve_12tap(s, coeffs_y); 156 __m128i res_a_round0 = _mm_sra_epi32( 157 _mm_add_epi32(res_a0, round_const_y), round_shift_y); 158 res_a_round0 = _mm_sra_epi32( 159 _mm_add_epi32(res_a_round0, round_const_bits), round_shift_bits); 160 161 const __m128i res_a1 = convolve_12tap(s + 12, coeffs_y); 162 __m128i res_a_round1 = _mm_sra_epi32( 163 _mm_add_epi32(res_a1, round_const_y), round_shift_y); 164 res_a_round1 = _mm_sra_epi32( 165 _mm_add_epi32(res_a_round1, round_const_bits), round_shift_bits); 166 167 if (w - j > 4) { 168 const __m128i res_b0 = convolve_12tap(s + 6, coeffs_y); 169 __m128i res_b_round0 = _mm_sra_epi32( 170 _mm_add_epi32(res_b0, round_const_y), round_shift_y); 171 res_b_round0 = 172 _mm_sra_epi32(_mm_add_epi32(res_b_round0, round_const_bits), 173 round_shift_bits); 174 175 const __m128i res_b1 = convolve_12tap(s + 18, coeffs_y); 176 __m128i res_b_round1 = _mm_sra_epi32( 177 _mm_add_epi32(res_b1, round_const_y), round_shift_y); 178 res_b_round1 = 179 _mm_sra_epi32(_mm_add_epi32(res_b_round1, round_const_bits), 180 round_shift_bits); 181 182 __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0); 183 res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel); 184 res_16bit0 = _mm_max_epi16(res_16bit0, zero); 185 186 __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1); 187 res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel); 188 res_16bit1 = _mm_max_epi16(res_16bit1, zero); 189 190 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0); 191 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], 192 res_16bit1); 193 } else if (w == 4) { 194 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); 195 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); 196 res_a_round0 = _mm_max_epi16(res_a_round0, zero); 197 198 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); 199 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); 200 res_a_round1 = _mm_max_epi16(res_a_round1, zero); 201 202 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0); 203 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], 204 res_a_round1); 205 } else { 206 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); 207 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); 208 res_a_round0 = _mm_max_epi16(res_a_round0, zero); 209 210 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); 211 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); 212 res_a_round1 = _mm_max_epi16(res_a_round1, zero); 213 214 *((int *)(&dst[i * dst_stride + j])) = 215 _mm_cvtsi128_si32(res_a_round0); 216 217 *((int *)(&dst[i * dst_stride + j + dst_stride])) = 218 _mm_cvtsi128_si32(res_a_round1); 219 } 220 s[0] = s[1]; 221 s[1] = s[2]; 222 s[2] = s[3]; 223 s[3] = s[4]; 224 s[4] = s[5]; 225 226 s[6] = s[7]; 227 s[7] = s[8]; 228 s[8] = s[9]; 229 s[9] = s[10]; 230 s[10] = s[11]; 231 232 s[12] = s[13]; 233 s[13] = s[14]; 234 s[14] = s[15]; 235 s[15] = s[16]; 236 s[16] = s[17]; 237 238 s[18] = s[19]; 239 s[19] = s[20]; 240 s[20] = s[21]; 241 s[21] = s[22]; 242 s[22] = s[23]; 243 244 s10 = s12; 245 } 246 } 247 } 248 } else { 249 __m128i coeffs_x[4], coeffs_y[4], s[16]; 250 prepare_coeffs(filter_params_x, subpel_x_qn, coeffs_x); 251 prepare_coeffs(filter_params_y, subpel_y_qn, coeffs_y); 252 253 for (j = 0; j < w; j += 8) { 254 /* Horizontal filter */ 255 { 256 for (i = 0; i < im_h; i += 1) { 257 const __m128i row00 = 258 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); 259 const __m128i row01 = 260 _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]); 261 262 // even pixels 263 s[0] = _mm_alignr_epi8(row01, row00, 0); 264 s[1] = _mm_alignr_epi8(row01, row00, 4); 265 s[2] = _mm_alignr_epi8(row01, row00, 8); 266 s[3] = _mm_alignr_epi8(row01, row00, 12); 267 268 __m128i res_even = convolve(s, coeffs_x); 269 res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x), 270 round_shift_x); 271 272 // odd pixels 273 s[0] = _mm_alignr_epi8(row01, row00, 2); 274 s[1] = _mm_alignr_epi8(row01, row00, 6); 275 s[2] = _mm_alignr_epi8(row01, row00, 10); 276 s[3] = _mm_alignr_epi8(row01, row00, 14); 277 278 __m128i res_odd = convolve(s, coeffs_x); 279 res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x), 280 round_shift_x); 281 282 __m128i res_even1 = _mm_packs_epi32(res_even, res_even); 283 __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd); 284 __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1); 285 286 _mm_store_si128((__m128i *)&im_block[i * im_stride], res); 287 } 288 } 289 290 /* Vertical filter */ 291 { 292 __m128i s0 = _mm_loadu_si128((__m128i *)(im_block + 0 * im_stride)); 293 __m128i s1 = _mm_loadu_si128((__m128i *)(im_block + 1 * im_stride)); 294 __m128i s2 = _mm_loadu_si128((__m128i *)(im_block + 2 * im_stride)); 295 __m128i s3 = _mm_loadu_si128((__m128i *)(im_block + 3 * im_stride)); 296 __m128i s4 = _mm_loadu_si128((__m128i *)(im_block + 4 * im_stride)); 297 __m128i s5 = _mm_loadu_si128((__m128i *)(im_block + 5 * im_stride)); 298 __m128i s6 = _mm_loadu_si128((__m128i *)(im_block + 6 * im_stride)); 299 300 s[0] = _mm_unpacklo_epi16(s0, s1); 301 s[1] = _mm_unpacklo_epi16(s2, s3); 302 s[2] = _mm_unpacklo_epi16(s4, s5); 303 304 s[4] = _mm_unpackhi_epi16(s0, s1); 305 s[5] = _mm_unpackhi_epi16(s2, s3); 306 s[6] = _mm_unpackhi_epi16(s4, s5); 307 308 s[0 + 8] = _mm_unpacklo_epi16(s1, s2); 309 s[1 + 8] = _mm_unpacklo_epi16(s3, s4); 310 s[2 + 8] = _mm_unpacklo_epi16(s5, s6); 311 312 s[4 + 8] = _mm_unpackhi_epi16(s1, s2); 313 s[5 + 8] = _mm_unpackhi_epi16(s3, s4); 314 s[6 + 8] = _mm_unpackhi_epi16(s5, s6); 315 316 for (i = 0; i < h; i += 2) { 317 const int16_t *data = &im_block[i * im_stride]; 318 319 __m128i s7 = _mm_loadu_si128((__m128i *)(data + 7 * im_stride)); 320 __m128i s8 = _mm_loadu_si128((__m128i *)(data + 8 * im_stride)); 321 322 s[3] = _mm_unpacklo_epi16(s6, s7); 323 s[7] = _mm_unpackhi_epi16(s6, s7); 324 325 s[3 + 8] = _mm_unpacklo_epi16(s7, s8); 326 s[7 + 8] = _mm_unpackhi_epi16(s7, s8); 327 328 const __m128i res_a0 = convolve(s, coeffs_y); 329 __m128i res_a_round0 = _mm_sra_epi32( 330 _mm_add_epi32(res_a0, round_const_y), round_shift_y); 331 res_a_round0 = _mm_sra_epi32( 332 _mm_add_epi32(res_a_round0, round_const_bits), round_shift_bits); 333 334 const __m128i res_a1 = convolve(s + 8, coeffs_y); 335 __m128i res_a_round1 = _mm_sra_epi32( 336 _mm_add_epi32(res_a1, round_const_y), round_shift_y); 337 res_a_round1 = _mm_sra_epi32( 338 _mm_add_epi32(res_a_round1, round_const_bits), round_shift_bits); 339 340 if (w - j > 4) { 341 const __m128i res_b0 = convolve(s + 4, coeffs_y); 342 __m128i res_b_round0 = _mm_sra_epi32( 343 _mm_add_epi32(res_b0, round_const_y), round_shift_y); 344 res_b_round0 = 345 _mm_sra_epi32(_mm_add_epi32(res_b_round0, round_const_bits), 346 round_shift_bits); 347 348 const __m128i res_b1 = convolve(s + 4 + 8, coeffs_y); 349 __m128i res_b_round1 = _mm_sra_epi32( 350 _mm_add_epi32(res_b1, round_const_y), round_shift_y); 351 res_b_round1 = 352 _mm_sra_epi32(_mm_add_epi32(res_b_round1, round_const_bits), 353 round_shift_bits); 354 355 __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0); 356 res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel); 357 res_16bit0 = _mm_max_epi16(res_16bit0, zero); 358 359 __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1); 360 res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel); 361 res_16bit1 = _mm_max_epi16(res_16bit1, zero); 362 363 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0); 364 _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], 365 res_16bit1); 366 } else if (w == 4) { 367 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); 368 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); 369 res_a_round0 = _mm_max_epi16(res_a_round0, zero); 370 371 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); 372 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); 373 res_a_round1 = _mm_max_epi16(res_a_round1, zero); 374 375 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0); 376 _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], 377 res_a_round1); 378 } else { 379 res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); 380 res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); 381 res_a_round0 = _mm_max_epi16(res_a_round0, zero); 382 383 res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); 384 res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); 385 res_a_round1 = _mm_max_epi16(res_a_round1, zero); 386 387 *((int *)(&dst[i * dst_stride + j])) = 388 _mm_cvtsi128_si32(res_a_round0); 389 390 *((int *)(&dst[i * dst_stride + j + dst_stride])) = 391 _mm_cvtsi128_si32(res_a_round1); 392 } 393 s[0] = s[1]; 394 s[1] = s[2]; 395 s[2] = s[3]; 396 397 s[4] = s[5]; 398 s[5] = s[6]; 399 s[6] = s[7]; 400 401 s[0 + 8] = s[1 + 8]; 402 s[1 + 8] = s[2 + 8]; 403 s[2 + 8] = s[3 + 8]; 404 405 s[4 + 8] = s[5 + 8]; 406 s[5 + 8] = s[6 + 8]; 407 s[6 + 8] = s[7 + 8]; 408 409 s6 = s8; 410 } 411 } 412 } 413 } 414 }