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comparison: media/libvpx/vp9/encoder/x86/vp9_variance_sse2.c
media/libvpx/vp9/encoder/x86/vp9_variance_sse2.c
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| -1:000000000000 | 0:c23cdf8d12d2 |
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| 1 /* | |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "./vpx_config.h" | |
| 12 | |
| 13 #include "vp9/encoder/vp9_variance.h" | |
| 14 #include "vp9/common/vp9_pragmas.h" | |
| 15 #include "vpx_ports/mem.h" | |
| 16 | |
| 17 extern unsigned int vp9_get4x4var_mmx | |
| 18 ( | |
| 19 const unsigned char *src_ptr, | |
| 20 int source_stride, | |
| 21 const unsigned char *ref_ptr, | |
| 22 int recon_stride, | |
| 23 unsigned int *SSE, | |
| 24 int *Sum | |
| 25 ); | |
| 26 | |
| 27 unsigned int vp9_get_mb_ss_sse2 | |
| 28 ( | |
| 29 const int16_t *src_ptr | |
| 30 ); | |
| 31 unsigned int vp9_get16x16var_sse2 | |
| 32 ( | |
| 33 const unsigned char *src_ptr, | |
| 34 int source_stride, | |
| 35 const unsigned char *ref_ptr, | |
| 36 int recon_stride, | |
| 37 unsigned int *SSE, | |
| 38 int *Sum | |
| 39 ); | |
| 40 unsigned int vp9_get8x8var_sse2 | |
| 41 ( | |
| 42 const unsigned char *src_ptr, | |
| 43 int source_stride, | |
| 44 const unsigned char *ref_ptr, | |
| 45 int recon_stride, | |
| 46 unsigned int *SSE, | |
| 47 int *Sum | |
| 48 ); | |
| 49 void vp9_half_horiz_vert_variance8x_h_sse2 | |
| 50 ( | |
| 51 const unsigned char *ref_ptr, | |
| 52 int ref_pixels_per_line, | |
| 53 const unsigned char *src_ptr, | |
| 54 int src_pixels_per_line, | |
| 55 unsigned int Height, | |
| 56 int *sum, | |
| 57 unsigned int *sumsquared | |
| 58 ); | |
| 59 void vp9_half_horiz_vert_variance16x_h_sse2 | |
| 60 ( | |
| 61 const unsigned char *ref_ptr, | |
| 62 int ref_pixels_per_line, | |
| 63 const unsigned char *src_ptr, | |
| 64 int src_pixels_per_line, | |
| 65 unsigned int Height, | |
| 66 int *sum, | |
| 67 unsigned int *sumsquared | |
| 68 ); | |
| 69 void vp9_half_horiz_variance8x_h_sse2 | |
| 70 ( | |
| 71 const unsigned char *ref_ptr, | |
| 72 int ref_pixels_per_line, | |
| 73 const unsigned char *src_ptr, | |
| 74 int src_pixels_per_line, | |
| 75 unsigned int Height, | |
| 76 int *sum, | |
| 77 unsigned int *sumsquared | |
| 78 ); | |
| 79 void vp9_half_horiz_variance16x_h_sse2 | |
| 80 ( | |
| 81 const unsigned char *ref_ptr, | |
| 82 int ref_pixels_per_line, | |
| 83 const unsigned char *src_ptr, | |
| 84 int src_pixels_per_line, | |
| 85 unsigned int Height, | |
| 86 int *sum, | |
| 87 unsigned int *sumsquared | |
| 88 ); | |
| 89 void vp9_half_vert_variance8x_h_sse2 | |
| 90 ( | |
| 91 const unsigned char *ref_ptr, | |
| 92 int ref_pixels_per_line, | |
| 93 const unsigned char *src_ptr, | |
| 94 int src_pixels_per_line, | |
| 95 unsigned int Height, | |
| 96 int *sum, | |
| 97 unsigned int *sumsquared | |
| 98 ); | |
| 99 void vp9_half_vert_variance16x_h_sse2 | |
| 100 ( | |
| 101 const unsigned char *ref_ptr, | |
| 102 int ref_pixels_per_line, | |
| 103 const unsigned char *src_ptr, | |
| 104 int src_pixels_per_line, | |
| 105 unsigned int Height, | |
| 106 int *sum, | |
| 107 unsigned int *sumsquared | |
| 108 ); | |
| 109 | |
| 110 typedef unsigned int (*get_var_sse2) ( | |
| 111 const unsigned char *src_ptr, | |
| 112 int source_stride, | |
| 113 const unsigned char *ref_ptr, | |
| 114 int recon_stride, | |
| 115 unsigned int *SSE, | |
| 116 int *Sum | |
| 117 ); | |
| 118 | |
| 119 static void variance_sse2(const unsigned char *src_ptr, int source_stride, | |
| 120 const unsigned char *ref_ptr, int recon_stride, | |
| 121 int w, int h, unsigned int *sse, int *sum, | |
| 122 get_var_sse2 var_fn, int block_size) { | |
| 123 unsigned int sse0; | |
| 124 int sum0; | |
| 125 int i, j; | |
| 126 | |
| 127 *sse = 0; | |
| 128 *sum = 0; | |
| 129 | |
| 130 for (i = 0; i < h; i += block_size) { | |
| 131 for (j = 0; j < w; j += block_size) { | |
| 132 var_fn(src_ptr + source_stride * i + j, source_stride, | |
| 133 ref_ptr + recon_stride * i + j, recon_stride, &sse0, &sum0); | |
| 134 *sse += sse0; | |
| 135 *sum += sum0; | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 unsigned int vp9_variance4x4_sse2( | |
| 141 const unsigned char *src_ptr, | |
| 142 int source_stride, | |
| 143 const unsigned char *ref_ptr, | |
| 144 int recon_stride, | |
| 145 unsigned int *sse) { | |
| 146 unsigned int var; | |
| 147 int avg; | |
| 148 | |
| 149 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 4, 4, | |
| 150 &var, &avg, vp9_get4x4var_mmx, 4); | |
| 151 *sse = var; | |
| 152 return (var - (((unsigned int)avg * avg) >> 4)); | |
| 153 } | |
| 154 | |
| 155 unsigned int vp9_variance8x4_sse2(const uint8_t *src_ptr, | |
| 156 int source_stride, | |
| 157 const uint8_t *ref_ptr, | |
| 158 int recon_stride, | |
| 159 unsigned int *sse) { | |
| 160 unsigned int var; | |
| 161 int avg; | |
| 162 | |
| 163 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 8, 4, | |
| 164 &var, &avg, vp9_get4x4var_mmx, 4); | |
| 165 *sse = var; | |
| 166 return (var - (((unsigned int)avg * avg) >> 5)); | |
| 167 } | |
| 168 | |
| 169 unsigned int vp9_variance4x8_sse2(const uint8_t *src_ptr, | |
| 170 int source_stride, | |
| 171 const uint8_t *ref_ptr, | |
| 172 int recon_stride, | |
| 173 unsigned int *sse) { | |
| 174 unsigned int var; | |
| 175 int avg; | |
| 176 | |
| 177 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 4, 8, | |
| 178 &var, &avg, vp9_get4x4var_mmx, 4); | |
| 179 *sse = var; | |
| 180 return (var - (((unsigned int)avg * avg) >> 5)); | |
| 181 } | |
| 182 | |
| 183 unsigned int vp9_variance8x8_sse2 | |
| 184 ( | |
| 185 const unsigned char *src_ptr, | |
| 186 int source_stride, | |
| 187 const unsigned char *ref_ptr, | |
| 188 int recon_stride, | |
| 189 unsigned int *sse) { | |
| 190 unsigned int var; | |
| 191 int avg; | |
| 192 | |
| 193 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, | |
| 194 &var, &avg, vp9_get8x8var_sse2, 8); | |
| 195 *sse = var; | |
| 196 return (var - (((unsigned int)avg * avg) >> 6)); | |
| 197 } | |
| 198 | |
| 199 unsigned int vp9_variance16x8_sse2 | |
| 200 ( | |
| 201 const unsigned char *src_ptr, | |
| 202 int source_stride, | |
| 203 const unsigned char *ref_ptr, | |
| 204 int recon_stride, | |
| 205 unsigned int *sse) { | |
| 206 unsigned int var; | |
| 207 int avg; | |
| 208 | |
| 209 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8, | |
| 210 &var, &avg, vp9_get8x8var_sse2, 8); | |
| 211 *sse = var; | |
| 212 return (var - (((unsigned int)avg * avg) >> 7)); | |
| 213 } | |
| 214 | |
| 215 unsigned int vp9_variance8x16_sse2 | |
| 216 ( | |
| 217 const unsigned char *src_ptr, | |
| 218 int source_stride, | |
| 219 const unsigned char *ref_ptr, | |
| 220 int recon_stride, | |
| 221 unsigned int *sse) { | |
| 222 unsigned int var; | |
| 223 int avg; | |
| 224 | |
| 225 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16, | |
| 226 &var, &avg, vp9_get8x8var_sse2, 8); | |
| 227 *sse = var; | |
| 228 return (var - (((unsigned int)avg * avg) >> 7)); | |
| 229 } | |
| 230 | |
| 231 unsigned int vp9_variance16x16_sse2 | |
| 232 ( | |
| 233 const unsigned char *src_ptr, | |
| 234 int source_stride, | |
| 235 const unsigned char *ref_ptr, | |
| 236 int recon_stride, | |
| 237 unsigned int *sse) { | |
| 238 unsigned int var; | |
| 239 int avg; | |
| 240 | |
| 241 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, | |
| 242 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 243 *sse = var; | |
| 244 return (var - (((unsigned int)avg * avg) >> 8)); | |
| 245 } | |
| 246 | |
| 247 unsigned int vp9_mse16x16_sse2( | |
| 248 const unsigned char *src_ptr, | |
| 249 int source_stride, | |
| 250 const unsigned char *ref_ptr, | |
| 251 int recon_stride, | |
| 252 unsigned int *sse) { | |
| 253 unsigned int sse0; | |
| 254 int sum0; | |
| 255 vp9_get16x16var_sse2(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, | |
| 256 &sum0); | |
| 257 *sse = sse0; | |
| 258 return sse0; | |
| 259 } | |
| 260 | |
| 261 unsigned int vp9_variance32x32_sse2(const uint8_t *src_ptr, | |
| 262 int source_stride, | |
| 263 const uint8_t *ref_ptr, | |
| 264 int recon_stride, | |
| 265 unsigned int *sse) { | |
| 266 unsigned int var; | |
| 267 int avg; | |
| 268 | |
| 269 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 32, | |
| 270 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 271 *sse = var; | |
| 272 return (var - (((int64_t)avg * avg) >> 10)); | |
| 273 } | |
| 274 | |
| 275 unsigned int vp9_variance32x16_sse2(const uint8_t *src_ptr, | |
| 276 int source_stride, | |
| 277 const uint8_t *ref_ptr, | |
| 278 int recon_stride, | |
| 279 unsigned int *sse) { | |
| 280 unsigned int var; | |
| 281 int avg; | |
| 282 | |
| 283 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 16, | |
| 284 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 285 *sse = var; | |
| 286 return (var - (((int64_t)avg * avg) >> 9)); | |
| 287 } | |
| 288 | |
| 289 unsigned int vp9_variance16x32_sse2(const uint8_t *src_ptr, | |
| 290 int source_stride, | |
| 291 const uint8_t *ref_ptr, | |
| 292 int recon_stride, | |
| 293 unsigned int *sse) { | |
| 294 unsigned int var; | |
| 295 int avg; | |
| 296 | |
| 297 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 16, 32, | |
| 298 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 299 *sse = var; | |
| 300 return (var - (((int64_t)avg * avg) >> 9)); | |
| 301 } | |
| 302 | |
| 303 unsigned int vp9_variance64x64_sse2(const uint8_t *src_ptr, | |
| 304 int source_stride, | |
| 305 const uint8_t *ref_ptr, | |
| 306 int recon_stride, | |
| 307 unsigned int *sse) { | |
| 308 unsigned int var; | |
| 309 int avg; | |
| 310 | |
| 311 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 64, 64, | |
| 312 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 313 *sse = var; | |
| 314 return (var - (((int64_t)avg * avg) >> 12)); | |
| 315 } | |
| 316 | |
| 317 unsigned int vp9_variance64x32_sse2(const uint8_t *src_ptr, | |
| 318 int source_stride, | |
| 319 const uint8_t *ref_ptr, | |
| 320 int recon_stride, | |
| 321 unsigned int *sse) { | |
| 322 unsigned int var; | |
| 323 int avg; | |
| 324 | |
| 325 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 64, 32, | |
| 326 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 327 *sse = var; | |
| 328 return (var - (((int64_t)avg * avg) >> 11)); | |
| 329 } | |
| 330 | |
| 331 unsigned int vp9_variance32x64_sse2(const uint8_t *src_ptr, | |
| 332 int source_stride, | |
| 333 const uint8_t *ref_ptr, | |
| 334 int recon_stride, | |
| 335 unsigned int *sse) { | |
| 336 unsigned int var; | |
| 337 int avg; | |
| 338 | |
| 339 variance_sse2(src_ptr, source_stride, ref_ptr, recon_stride, 32, 64, | |
| 340 &var, &avg, vp9_get16x16var_sse2, 16); | |
| 341 *sse = var; | |
| 342 return (var - (((int64_t)avg * avg) >> 11)); | |
| 343 } | |
| 344 | |
| 345 #define DECL(w, opt) \ | |
| 346 int vp9_sub_pixel_variance##w##xh_##opt(const uint8_t *src, \ | |
| 347 ptrdiff_t src_stride, \ | |
| 348 int x_offset, int y_offset, \ | |
| 349 const uint8_t *dst, \ | |
| 350 ptrdiff_t dst_stride, \ | |
| 351 int height, unsigned int *sse) | |
| 352 #define DECLS(opt1, opt2) \ | |
| 353 DECL(4, opt2); \ | |
| 354 DECL(8, opt1); \ | |
| 355 DECL(16, opt1) | |
| 356 | |
| 357 DECLS(sse2, sse); | |
| 358 DECLS(ssse3, ssse3); | |
| 359 #undef DECLS | |
| 360 #undef DECL | |
| 361 | |
| 362 #define FN(w, h, wf, wlog2, hlog2, opt, cast) \ | |
| 363 unsigned int vp9_sub_pixel_variance##w##x##h##_##opt(const uint8_t *src, \ | |
| 364 int src_stride, \ | |
| 365 int x_offset, \ | |
| 366 int y_offset, \ | |
| 367 const uint8_t *dst, \ | |
| 368 int dst_stride, \ | |
| 369 unsigned int *sse_ptr) { \ | |
| 370 unsigned int sse; \ | |
| 371 int se = vp9_sub_pixel_variance##wf##xh_##opt(src, src_stride, x_offset, \ | |
| 372 y_offset, dst, dst_stride, \ | |
| 373 h, &sse); \ | |
| 374 if (w > wf) { \ | |
| 375 unsigned int sse2; \ | |
| 376 int se2 = vp9_sub_pixel_variance##wf##xh_##opt(src + 16, src_stride, \ | |
| 377 x_offset, y_offset, \ | |
| 378 dst + 16, dst_stride, \ | |
| 379 h, &sse2); \ | |
| 380 se += se2; \ | |
| 381 sse += sse2; \ | |
| 382 if (w > wf * 2) { \ | |
| 383 se2 = vp9_sub_pixel_variance##wf##xh_##opt(src + 32, src_stride, \ | |
| 384 x_offset, y_offset, \ | |
| 385 dst + 32, dst_stride, \ | |
| 386 h, &sse2); \ | |
| 387 se += se2; \ | |
| 388 sse += sse2; \ | |
| 389 se2 = vp9_sub_pixel_variance##wf##xh_##opt(src + 48, src_stride, \ | |
| 390 x_offset, y_offset, \ | |
| 391 dst + 48, dst_stride, \ | |
| 392 h, &sse2); \ | |
| 393 se += se2; \ | |
| 394 sse += sse2; \ | |
| 395 } \ | |
| 396 } \ | |
| 397 *sse_ptr = sse; \ | |
| 398 return sse - ((cast se * se) >> (wlog2 + hlog2)); \ | |
| 399 } | |
| 400 | |
| 401 #define FNS(opt1, opt2) \ | |
| 402 FN(64, 64, 16, 6, 6, opt1, (int64_t)); \ | |
| 403 FN(64, 32, 16, 6, 5, opt1, (int64_t)); \ | |
| 404 FN(32, 64, 16, 5, 6, opt1, (int64_t)); \ | |
| 405 FN(32, 32, 16, 5, 5, opt1, (int64_t)); \ | |
| 406 FN(32, 16, 16, 5, 4, opt1, (int64_t)); \ | |
| 407 FN(16, 32, 16, 4, 5, opt1, (int64_t)); \ | |
| 408 FN(16, 16, 16, 4, 4, opt1, (unsigned int)); \ | |
| 409 FN(16, 8, 16, 4, 3, opt1, (unsigned int)); \ | |
| 410 FN(8, 16, 8, 3, 4, opt1, (unsigned int)); \ | |
| 411 FN(8, 8, 8, 3, 3, opt1, (unsigned int)); \ | |
| 412 FN(8, 4, 8, 3, 2, opt1, (unsigned int)); \ | |
| 413 FN(4, 8, 4, 2, 3, opt2, (unsigned int)); \ | |
| 414 FN(4, 4, 4, 2, 2, opt2, (unsigned int)) | |
| 415 | |
| 416 FNS(sse2, sse); | |
| 417 FNS(ssse3, ssse3); | |
| 418 | |
| 419 #undef FNS | |
| 420 #undef FN | |
| 421 | |
| 422 #define DECL(w, opt) \ | |
| 423 int vp9_sub_pixel_avg_variance##w##xh_##opt(const uint8_t *src, \ | |
| 424 ptrdiff_t src_stride, \ | |
| 425 int x_offset, int y_offset, \ | |
| 426 const uint8_t *dst, \ | |
| 427 ptrdiff_t dst_stride, \ | |
| 428 const uint8_t *sec, \ | |
| 429 ptrdiff_t sec_stride, \ | |
| 430 int height, unsigned int *sse) | |
| 431 #define DECLS(opt1, opt2) \ | |
| 432 DECL(4, opt2); \ | |
| 433 DECL(8, opt1); \ | |
| 434 DECL(16, opt1) | |
| 435 | |
| 436 DECLS(sse2, sse); | |
| 437 DECLS(ssse3, ssse3); | |
| 438 #undef DECL | |
| 439 #undef DECLS | |
| 440 | |
| 441 #define FN(w, h, wf, wlog2, hlog2, opt, cast) \ | |
| 442 unsigned int vp9_sub_pixel_avg_variance##w##x##h##_##opt(const uint8_t *src, \ | |
| 443 int src_stride, \ | |
| 444 int x_offset, \ | |
| 445 int y_offset, \ | |
| 446 const uint8_t *dst, \ | |
| 447 int dst_stride, \ | |
| 448 unsigned int *sseptr, \ | |
| 449 const uint8_t *sec) { \ | |
| 450 unsigned int sse; \ | |
| 451 int se = vp9_sub_pixel_avg_variance##wf##xh_##opt(src, src_stride, x_offset, \ | |
| 452 y_offset, dst, dst_stride, \ | |
| 453 sec, w, h, &sse); \ | |
| 454 if (w > wf) { \ | |
| 455 unsigned int sse2; \ | |
| 456 int se2 = vp9_sub_pixel_avg_variance##wf##xh_##opt(src + 16, src_stride, \ | |
| 457 x_offset, y_offset, \ | |
| 458 dst + 16, dst_stride, \ | |
| 459 sec + 16, w, h, &sse2); \ | |
| 460 se += se2; \ | |
| 461 sse += sse2; \ | |
| 462 if (w > wf * 2) { \ | |
| 463 se2 = vp9_sub_pixel_avg_variance##wf##xh_##opt(src + 32, src_stride, \ | |
| 464 x_offset, y_offset, \ | |
| 465 dst + 32, dst_stride, \ | |
| 466 sec + 32, w, h, &sse2); \ | |
| 467 se += se2; \ | |
| 468 sse += sse2; \ | |
| 469 se2 = vp9_sub_pixel_avg_variance##wf##xh_##opt(src + 48, src_stride, \ | |
| 470 x_offset, y_offset, \ | |
| 471 dst + 48, dst_stride, \ | |
| 472 sec + 48, w, h, &sse2); \ | |
| 473 se += se2; \ | |
| 474 sse += sse2; \ | |
| 475 } \ | |
| 476 } \ | |
| 477 *sseptr = sse; \ | |
| 478 return sse - ((cast se * se) >> (wlog2 + hlog2)); \ | |
| 479 } | |
| 480 | |
| 481 #define FNS(opt1, opt2) \ | |
| 482 FN(64, 64, 16, 6, 6, opt1, (int64_t)); \ | |
| 483 FN(64, 32, 16, 6, 5, opt1, (int64_t)); \ | |
| 484 FN(32, 64, 16, 5, 6, opt1, (int64_t)); \ | |
| 485 FN(32, 32, 16, 5, 5, opt1, (int64_t)); \ | |
| 486 FN(32, 16, 16, 5, 4, opt1, (int64_t)); \ | |
| 487 FN(16, 32, 16, 4, 5, opt1, (int64_t)); \ | |
| 488 FN(16, 16, 16, 4, 4, opt1, (unsigned int)); \ | |
| 489 FN(16, 8, 16, 4, 3, opt1, (unsigned int)); \ | |
| 490 FN(8, 16, 8, 3, 4, opt1, (unsigned int)); \ | |
| 491 FN(8, 8, 8, 3, 3, opt1, (unsigned int)); \ | |
| 492 FN(8, 4, 8, 3, 2, opt1, (unsigned int)); \ | |
| 493 FN(4, 8, 4, 2, 3, opt2, (unsigned int)); \ | |
| 494 FN(4, 4, 4, 2, 2, opt2, (unsigned int)) | |
| 495 | |
| 496 FNS(sse2, sse); | |
| 497 FNS(ssse3, ssse3); | |
| 498 | |
| 499 #undef FNS | |
| 500 #undef FN | |
| 501 | |
| 502 unsigned int vp9_variance_halfpixvar16x16_h_sse2( | |
| 503 const unsigned char *src_ptr, | |
| 504 int src_pixels_per_line, | |
| 505 const unsigned char *dst_ptr, | |
| 506 int dst_pixels_per_line, | |
| 507 unsigned int *sse) { | |
| 508 int xsum0; | |
| 509 unsigned int xxsum0; | |
| 510 | |
| 511 vp9_half_horiz_variance16x_h_sse2( | |
| 512 src_ptr, src_pixels_per_line, | |
| 513 dst_ptr, dst_pixels_per_line, 16, | |
| 514 &xsum0, &xxsum0); | |
| 515 | |
| 516 *sse = xxsum0; | |
| 517 return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8)); | |
| 518 } | |
| 519 | |
| 520 | |
| 521 unsigned int vp9_variance_halfpixvar16x16_v_sse2( | |
| 522 const unsigned char *src_ptr, | |
| 523 int src_pixels_per_line, | |
| 524 const unsigned char *dst_ptr, | |
| 525 int dst_pixels_per_line, | |
| 526 unsigned int *sse) { | |
| 527 int xsum0; | |
| 528 unsigned int xxsum0; | |
| 529 vp9_half_vert_variance16x_h_sse2( | |
| 530 src_ptr, src_pixels_per_line, | |
| 531 dst_ptr, dst_pixels_per_line, 16, | |
| 532 &xsum0, &xxsum0); | |
| 533 | |
| 534 *sse = xxsum0; | |
| 535 return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8)); | |
| 536 } | |
| 537 | |
| 538 | |
| 539 unsigned int vp9_variance_halfpixvar16x16_hv_sse2( | |
| 540 const unsigned char *src_ptr, | |
| 541 int src_pixels_per_line, | |
| 542 const unsigned char *dst_ptr, | |
| 543 int dst_pixels_per_line, | |
| 544 unsigned int *sse) { | |
| 545 int xsum0; | |
| 546 unsigned int xxsum0; | |
| 547 | |
| 548 vp9_half_horiz_vert_variance16x_h_sse2( | |
| 549 src_ptr, src_pixels_per_line, | |
| 550 dst_ptr, dst_pixels_per_line, 16, | |
| 551 &xsum0, &xxsum0); | |
| 552 | |
| 553 *sse = xxsum0; | |
| 554 return (xxsum0 - (((unsigned int)xsum0 * xsum0) >> 8)); | |
| 555 } |
