Pierre Ossman | ba82ddf | 2009-06-29 11:20:42 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * jsimd_x86_64.c |
| 3 | * |
| 4 | * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
| 5 | * Copyright 2009 D. R. Commander |
| 6 | * |
| 7 | * Based on the x86 SIMD extension for IJG JPEG library, |
| 8 | * Copyright (C) 1999-2006, MIYASAKA Masaru. |
| 9 | * |
| 10 | * This file contains the interface between the "normal" portions |
| 11 | * of the library and the SIMD implementations when running on a |
| 12 | * x86_64 architecture. |
| 13 | */ |
| 14 | |
| 15 | #define JPEG_INTERNALS |
| 16 | #include "../jinclude.h" |
| 17 | #include "../jpeglib.h" |
| 18 | #include "../jsimd.h" |
| 19 | #include "../jdct.h" |
| 20 | #include "../jsimddct.h" |
| 21 | #include "simd/jsimd.h" |
| 22 | |
| 23 | /* |
| 24 | * In the PIC cases, we have no guarantee that constants will keep |
| 25 | * their alignment. This macro allows us to verify it at runtime. |
| 26 | */ |
| 27 | #define IS_ALIGNED(ptr, order) (((unsigned)ptr & ((1 << order) - 1)) == 0) |
| 28 | |
| 29 | #define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */ |
| 30 | |
| 31 | GLOBAL(int) |
| 32 | jsimd_can_rgb_ycc (void) |
| 33 | { |
| 34 | /* The code is optimised for these values only */ |
| 35 | if (BITS_IN_JSAMPLE != 8) |
| 36 | return 0; |
| 37 | if (sizeof(JDIMENSION) != 4) |
| 38 | return 0; |
| 39 | if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) |
| 40 | return 0; |
| 41 | |
| 42 | if (!IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2)) |
| 43 | return 0; |
| 44 | |
| 45 | return 1; |
| 46 | } |
| 47 | |
| 48 | GLOBAL(int) |
| 49 | jsimd_can_ycc_rgb (void) |
| 50 | { |
| 51 | /* The code is optimised for these values only */ |
| 52 | if (BITS_IN_JSAMPLE != 8) |
| 53 | return 0; |
| 54 | if (sizeof(JDIMENSION) != 4) |
| 55 | return 0; |
| 56 | if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) |
| 57 | return 0; |
| 58 | |
| 59 | if (!IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2)) |
| 60 | return 0; |
| 61 | |
| 62 | return 1; |
| 63 | } |
| 64 | |
| 65 | GLOBAL(void) |
| 66 | jsimd_rgb_ycc_convert (j_compress_ptr cinfo, |
| 67 | JSAMPARRAY input_buf, JSAMPIMAGE output_buf, |
| 68 | JDIMENSION output_row, int num_rows) |
| 69 | { |
| 70 | void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); |
| 71 | |
| 72 | switch(cinfo->in_color_space) |
| 73 | { |
| 74 | case JCS_EXT_RGB: |
| 75 | sse2fct=jsimd_extrgb_ycc_convert_sse2; |
| 76 | break; |
| 77 | case JCS_EXT_RGBX: |
| 78 | sse2fct=jsimd_extrgbx_ycc_convert_sse2; |
| 79 | break; |
| 80 | case JCS_EXT_BGR: |
| 81 | sse2fct=jsimd_extbgr_ycc_convert_sse2; |
| 82 | break; |
| 83 | case JCS_EXT_BGRX: |
| 84 | sse2fct=jsimd_extbgrx_ycc_convert_sse2; |
| 85 | break; |
| 86 | case JCS_EXT_XBGR: |
| 87 | sse2fct=jsimd_extxbgr_ycc_convert_sse2; |
| 88 | break; |
| 89 | case JCS_EXT_XRGB: |
| 90 | sse2fct=jsimd_extxrgb_ycc_convert_sse2; |
| 91 | break; |
| 92 | default: |
| 93 | sse2fct=jsimd_rgb_ycc_convert_sse2; |
| 94 | break; |
| 95 | } |
| 96 | |
| 97 | sse2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); |
| 98 | } |
| 99 | |
| 100 | GLOBAL(void) |
| 101 | jsimd_ycc_rgb_convert (j_decompress_ptr cinfo, |
| 102 | JSAMPIMAGE input_buf, JDIMENSION input_row, |
| 103 | JSAMPARRAY output_buf, int num_rows) |
| 104 | { |
| 105 | void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); |
| 106 | |
| 107 | switch(cinfo->out_color_space) |
| 108 | { |
| 109 | case JCS_EXT_RGB: |
| 110 | sse2fct=jsimd_ycc_extrgb_convert_sse2; |
| 111 | break; |
| 112 | case JCS_EXT_RGBX: |
| 113 | sse2fct=jsimd_ycc_extrgbx_convert_sse2; |
| 114 | break; |
| 115 | case JCS_EXT_BGR: |
| 116 | sse2fct=jsimd_ycc_extbgr_convert_sse2; |
| 117 | break; |
| 118 | case JCS_EXT_BGRX: |
| 119 | sse2fct=jsimd_ycc_extbgrx_convert_sse2; |
| 120 | break; |
| 121 | case JCS_EXT_XBGR: |
| 122 | sse2fct=jsimd_ycc_extxbgr_convert_sse2; |
| 123 | break; |
| 124 | case JCS_EXT_XRGB: |
| 125 | sse2fct=jsimd_ycc_extxrgb_convert_sse2; |
| 126 | break; |
| 127 | default: |
| 128 | sse2fct=jsimd_ycc_rgb_convert_sse2; |
| 129 | break; |
| 130 | } |
| 131 | |
| 132 | sse2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows); |
| 133 | } |
| 134 | |
| 135 | GLOBAL(int) |
| 136 | jsimd_can_h2v2_downsample (void) |
| 137 | { |
| 138 | /* The code is optimised for these values only */ |
| 139 | if (BITS_IN_JSAMPLE != 8) |
| 140 | return 0; |
| 141 | if (sizeof(JDIMENSION) != 4) |
| 142 | return 0; |
| 143 | |
| 144 | return 1; |
| 145 | } |
| 146 | |
| 147 | GLOBAL(int) |
| 148 | jsimd_can_h2v1_downsample (void) |
| 149 | { |
| 150 | /* The code is optimised for these values only */ |
| 151 | if (BITS_IN_JSAMPLE != 8) |
| 152 | return 0; |
| 153 | if (sizeof(JDIMENSION) != 4) |
| 154 | return 0; |
| 155 | |
| 156 | return 1; |
| 157 | } |
| 158 | |
| 159 | GLOBAL(void) |
| 160 | jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, |
| 161 | JSAMPARRAY input_data, JSAMPARRAY output_data) |
| 162 | { |
| 163 | jsimd_h2v2_downsample_sse2(cinfo->image_width, |
| 164 | cinfo->max_v_samp_factor, |
| 165 | compptr->v_samp_factor, |
| 166 | compptr->width_in_blocks, |
| 167 | input_data, output_data); |
| 168 | } |
| 169 | |
| 170 | GLOBAL(void) |
| 171 | jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, |
| 172 | JSAMPARRAY input_data, JSAMPARRAY output_data) |
| 173 | { |
| 174 | jsimd_h2v1_downsample_sse2(cinfo->image_width, |
| 175 | cinfo->max_v_samp_factor, |
| 176 | compptr->v_samp_factor, |
| 177 | compptr->width_in_blocks, |
| 178 | input_data, output_data); |
| 179 | } |
| 180 | |
| 181 | GLOBAL(int) |
| 182 | jsimd_can_h2v2_upsample (void) |
| 183 | { |
| 184 | /* The code is optimised for these values only */ |
| 185 | if (BITS_IN_JSAMPLE != 8) |
| 186 | return 0; |
| 187 | if (sizeof(JDIMENSION) != 4) |
| 188 | return 0; |
| 189 | |
| 190 | return 1; |
| 191 | } |
| 192 | |
| 193 | GLOBAL(int) |
| 194 | jsimd_can_h2v1_upsample (void) |
| 195 | { |
| 196 | /* The code is optimised for these values only */ |
| 197 | if (BITS_IN_JSAMPLE != 8) |
| 198 | return 0; |
| 199 | if (sizeof(JDIMENSION) != 4) |
| 200 | return 0; |
| 201 | |
| 202 | return 1; |
| 203 | } |
| 204 | |
| 205 | GLOBAL(void) |
| 206 | jsimd_h2v2_upsample (j_decompress_ptr cinfo, |
| 207 | jpeg_component_info * compptr, |
| 208 | JSAMPARRAY input_data, |
| 209 | JSAMPARRAY * output_data_ptr) |
| 210 | { |
| 211 | jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor, |
| 212 | cinfo->output_width, |
| 213 | input_data, output_data_ptr); |
| 214 | } |
| 215 | |
| 216 | GLOBAL(void) |
| 217 | jsimd_h2v1_upsample (j_decompress_ptr cinfo, |
| 218 | jpeg_component_info * compptr, |
| 219 | JSAMPARRAY input_data, |
| 220 | JSAMPARRAY * output_data_ptr) |
| 221 | { |
| 222 | jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor, |
| 223 | cinfo->output_width, |
| 224 | input_data, output_data_ptr); |
| 225 | } |
| 226 | |
| 227 | GLOBAL(int) |
| 228 | jsimd_can_h2v2_fancy_upsample (void) |
| 229 | { |
| 230 | /* The code is optimised for these values only */ |
| 231 | if (BITS_IN_JSAMPLE != 8) |
| 232 | return 0; |
| 233 | if (sizeof(JDIMENSION) != 4) |
| 234 | return 0; |
| 235 | |
| 236 | if (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) |
| 237 | return 0; |
| 238 | |
| 239 | return 1; |
| 240 | } |
| 241 | |
| 242 | GLOBAL(int) |
| 243 | jsimd_can_h2v1_fancy_upsample (void) |
| 244 | { |
| 245 | /* The code is optimised for these values only */ |
| 246 | if (BITS_IN_JSAMPLE != 8) |
| 247 | return 0; |
| 248 | if (sizeof(JDIMENSION) != 4) |
| 249 | return 0; |
| 250 | |
| 251 | if (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) |
| 252 | return 0; |
| 253 | |
| 254 | return 1; |
| 255 | } |
| 256 | |
| 257 | GLOBAL(void) |
| 258 | jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo, |
| 259 | jpeg_component_info * compptr, |
| 260 | JSAMPARRAY input_data, |
| 261 | JSAMPARRAY * output_data_ptr) |
| 262 | { |
| 263 | jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor, |
| 264 | compptr->downsampled_width, |
| 265 | input_data, output_data_ptr); |
| 266 | } |
| 267 | |
| 268 | GLOBAL(void) |
| 269 | jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo, |
| 270 | jpeg_component_info * compptr, |
| 271 | JSAMPARRAY input_data, |
| 272 | JSAMPARRAY * output_data_ptr) |
| 273 | { |
| 274 | jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor, |
| 275 | compptr->downsampled_width, |
| 276 | input_data, output_data_ptr); |
| 277 | } |
| 278 | |
| 279 | GLOBAL(int) |
| 280 | jsimd_can_h2v2_merged_upsample (void) |
| 281 | { |
| 282 | /* The code is optimised for these values only */ |
| 283 | if (BITS_IN_JSAMPLE != 8) |
| 284 | return 0; |
| 285 | if (sizeof(JDIMENSION) != 4) |
| 286 | return 0; |
| 287 | |
| 288 | if (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) |
| 289 | return 0; |
| 290 | |
| 291 | return 1; |
| 292 | } |
| 293 | |
| 294 | GLOBAL(int) |
| 295 | jsimd_can_h2v1_merged_upsample (void) |
| 296 | { |
| 297 | /* The code is optimised for these values only */ |
| 298 | if (BITS_IN_JSAMPLE != 8) |
| 299 | return 0; |
| 300 | if (sizeof(JDIMENSION) != 4) |
| 301 | return 0; |
| 302 | |
| 303 | if (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) |
| 304 | return 0; |
| 305 | |
| 306 | return 1; |
| 307 | } |
| 308 | |
| 309 | GLOBAL(void) |
| 310 | jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo, |
| 311 | JSAMPIMAGE input_buf, |
| 312 | JDIMENSION in_row_group_ctr, |
| 313 | JSAMPARRAY output_buf) |
| 314 | { |
| 315 | void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| 316 | |
| 317 | switch(cinfo->out_color_space) |
| 318 | { |
| 319 | case JCS_EXT_RGB: |
| 320 | sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2; |
| 321 | break; |
| 322 | case JCS_EXT_RGBX: |
| 323 | sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2; |
| 324 | break; |
| 325 | case JCS_EXT_BGR: |
| 326 | sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2; |
| 327 | break; |
| 328 | case JCS_EXT_BGRX: |
| 329 | sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2; |
| 330 | break; |
| 331 | case JCS_EXT_XBGR: |
| 332 | sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2; |
| 333 | break; |
| 334 | case JCS_EXT_XRGB: |
| 335 | sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2; |
| 336 | break; |
| 337 | default: |
| 338 | sse2fct=jsimd_h2v2_merged_upsample_sse2; |
| 339 | break; |
| 340 | } |
| 341 | |
| 342 | sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); |
| 343 | } |
| 344 | |
| 345 | GLOBAL(void) |
| 346 | jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo, |
| 347 | JSAMPIMAGE input_buf, |
| 348 | JDIMENSION in_row_group_ctr, |
| 349 | JSAMPARRAY output_buf) |
| 350 | { |
| 351 | void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); |
| 352 | |
| 353 | switch(cinfo->out_color_space) |
| 354 | { |
| 355 | case JCS_EXT_RGB: |
| 356 | sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2; |
| 357 | break; |
| 358 | case JCS_EXT_RGBX: |
| 359 | sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2; |
| 360 | break; |
| 361 | case JCS_EXT_BGR: |
| 362 | sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2; |
| 363 | break; |
| 364 | case JCS_EXT_BGRX: |
| 365 | sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2; |
| 366 | break; |
| 367 | case JCS_EXT_XBGR: |
| 368 | sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2; |
| 369 | break; |
| 370 | case JCS_EXT_XRGB: |
| 371 | sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2; |
| 372 | break; |
| 373 | default: |
| 374 | sse2fct=jsimd_h2v1_merged_upsample_sse2; |
| 375 | break; |
| 376 | } |
| 377 | |
| 378 | sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); |
| 379 | } |
| 380 | |
| 381 | GLOBAL(int) |
| 382 | jsimd_can_convsamp (void) |
| 383 | { |
| 384 | /* The code is optimised for these values only */ |
| 385 | if (DCTSIZE != 8) |
| 386 | return 0; |
| 387 | if (BITS_IN_JSAMPLE != 8) |
| 388 | return 0; |
| 389 | if (sizeof(JDIMENSION) != 4) |
| 390 | return 0; |
| 391 | if (sizeof(DCTELEM) != 2) |
| 392 | return 0; |
| 393 | |
| 394 | return 1; |
| 395 | } |
| 396 | |
| 397 | GLOBAL(int) |
| 398 | jsimd_can_convsamp_float (void) |
| 399 | { |
| 400 | /* The code is optimised for these values only */ |
| 401 | if (DCTSIZE != 8) |
| 402 | return 0; |
| 403 | if (BITS_IN_JSAMPLE != 8) |
| 404 | return 0; |
| 405 | if (sizeof(JDIMENSION) != 4) |
| 406 | return 0; |
| 407 | if (sizeof(FAST_FLOAT) != 4) |
| 408 | return 0; |
| 409 | |
| 410 | return 1; |
| 411 | } |
| 412 | |
| 413 | GLOBAL(void) |
| 414 | jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, |
| 415 | DCTELEM * workspace) |
| 416 | { |
| 417 | jsimd_convsamp_sse2(sample_data, start_col, workspace); |
| 418 | } |
| 419 | |
| 420 | GLOBAL(void) |
| 421 | jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, |
| 422 | FAST_FLOAT * workspace) |
| 423 | { |
| 424 | jsimd_convsamp_float_sse2(sample_data, start_col, workspace); |
| 425 | } |
| 426 | |
| 427 | GLOBAL(int) |
| 428 | jsimd_can_fdct_islow (void) |
| 429 | { |
| 430 | /* The code is optimised for these values only */ |
| 431 | if (DCTSIZE != 8) |
| 432 | return 0; |
| 433 | if (sizeof(DCTELEM) != 2) |
| 434 | return 0; |
| 435 | |
| 436 | if (!IS_ALIGNED_SSE(jconst_fdct_islow_sse2)) |
| 437 | return 0; |
| 438 | |
| 439 | return 1; |
| 440 | } |
| 441 | |
| 442 | GLOBAL(int) |
| 443 | jsimd_can_fdct_ifast (void) |
| 444 | { |
| 445 | /* The code is optimised for these values only */ |
| 446 | if (DCTSIZE != 8) |
| 447 | return 0; |
| 448 | if (sizeof(DCTELEM) != 2) |
| 449 | return 0; |
| 450 | |
| 451 | if (!IS_ALIGNED_SSE(jconst_fdct_ifast_sse2)) |
| 452 | return 0; |
| 453 | |
| 454 | return 1; |
| 455 | } |
| 456 | |
| 457 | GLOBAL(int) |
| 458 | jsimd_can_fdct_float (void) |
| 459 | { |
| 460 | /* The code is optimised for these values only */ |
| 461 | if (DCTSIZE != 8) |
| 462 | return 0; |
| 463 | if (sizeof(FAST_FLOAT) != 4) |
| 464 | return 0; |
| 465 | |
| 466 | if (!IS_ALIGNED_SSE(jconst_fdct_float_sse)) |
| 467 | return 0; |
| 468 | |
| 469 | return 1; |
| 470 | } |
| 471 | |
| 472 | GLOBAL(void) |
| 473 | jsimd_fdct_islow (DCTELEM * data) |
| 474 | { |
| 475 | jsimd_fdct_islow_sse2(data); |
| 476 | } |
| 477 | |
| 478 | GLOBAL(void) |
| 479 | jsimd_fdct_ifast (DCTELEM * data) |
| 480 | { |
| 481 | jsimd_fdct_ifast_sse2(data); |
| 482 | } |
| 483 | |
| 484 | GLOBAL(void) |
| 485 | jsimd_fdct_float (FAST_FLOAT * data) |
| 486 | { |
| 487 | jsimd_fdct_float_sse(data); |
| 488 | } |
| 489 | |
| 490 | GLOBAL(int) |
| 491 | jsimd_can_quantize (void) |
| 492 | { |
| 493 | /* The code is optimised for these values only */ |
| 494 | if (DCTSIZE != 8) |
| 495 | return 0; |
| 496 | if (sizeof(JCOEF) != 2) |
| 497 | return 0; |
| 498 | if (sizeof(DCTELEM) != 2) |
| 499 | return 0; |
| 500 | |
| 501 | return 1; |
| 502 | } |
| 503 | |
| 504 | GLOBAL(int) |
| 505 | jsimd_can_quantize_float (void) |
| 506 | { |
| 507 | /* The code is optimised for these values only */ |
| 508 | if (DCTSIZE != 8) |
| 509 | return 0; |
| 510 | if (sizeof(JCOEF) != 2) |
| 511 | return 0; |
| 512 | if (sizeof(FAST_FLOAT) != 4) |
| 513 | return 0; |
| 514 | |
| 515 | return 1; |
| 516 | } |
| 517 | |
| 518 | GLOBAL(void) |
| 519 | jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors, |
| 520 | DCTELEM * workspace) |
| 521 | { |
| 522 | jsimd_quantize_sse2(coef_block, divisors, workspace); |
| 523 | } |
| 524 | |
| 525 | GLOBAL(void) |
| 526 | jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors, |
| 527 | FAST_FLOAT * workspace) |
| 528 | { |
| 529 | jsimd_quantize_float_sse2(coef_block, divisors, workspace); |
| 530 | } |
| 531 | |
| 532 | GLOBAL(int) |
| 533 | jsimd_can_idct_2x2 (void) |
| 534 | { |
| 535 | /* The code is optimised for these values only */ |
| 536 | if (DCTSIZE != 8) |
| 537 | return 0; |
| 538 | if (sizeof(JCOEF) != 2) |
| 539 | return 0; |
| 540 | if (BITS_IN_JSAMPLE != 8) |
| 541 | return 0; |
| 542 | if (sizeof(JDIMENSION) != 4) |
| 543 | return 0; |
| 544 | if (sizeof(ISLOW_MULT_TYPE) != 2) |
| 545 | return 0; |
| 546 | |
| 547 | if (!IS_ALIGNED_SSE(jconst_idct_red_sse2)) |
| 548 | return 0; |
| 549 | |
| 550 | return 1; |
| 551 | } |
| 552 | |
| 553 | GLOBAL(int) |
| 554 | jsimd_can_idct_4x4 (void) |
| 555 | { |
| 556 | /* The code is optimised for these values only */ |
| 557 | if (DCTSIZE != 8) |
| 558 | return 0; |
| 559 | if (sizeof(JCOEF) != 2) |
| 560 | return 0; |
| 561 | if (BITS_IN_JSAMPLE != 8) |
| 562 | return 0; |
| 563 | if (sizeof(JDIMENSION) != 4) |
| 564 | return 0; |
| 565 | if (sizeof(ISLOW_MULT_TYPE) != 2) |
| 566 | return 0; |
| 567 | |
| 568 | if (!IS_ALIGNED_SSE(jconst_idct_red_sse2)) |
| 569 | return 0; |
| 570 | |
| 571 | return 1; |
| 572 | } |
| 573 | |
| 574 | GLOBAL(void) |
| 575 | jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, |
| 576 | JCOEFPTR coef_block, JSAMPARRAY output_buf, |
| 577 | JDIMENSION output_col) |
| 578 | { |
| 579 | jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf, output_col); |
| 580 | } |
| 581 | |
| 582 | GLOBAL(void) |
| 583 | jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr, |
| 584 | JCOEFPTR coef_block, JSAMPARRAY output_buf, |
| 585 | JDIMENSION output_col) |
| 586 | { |
| 587 | jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col); |
| 588 | } |
| 589 | |
| 590 | GLOBAL(int) |
| 591 | jsimd_can_idct_islow (void) |
| 592 | { |
| 593 | /* The code is optimised for these values only */ |
| 594 | if (DCTSIZE != 8) |
| 595 | return 0; |
| 596 | if (sizeof(JCOEF) != 2) |
| 597 | return 0; |
| 598 | if (BITS_IN_JSAMPLE != 8) |
| 599 | return 0; |
| 600 | if (sizeof(JDIMENSION) != 4) |
| 601 | return 0; |
| 602 | if (sizeof(ISLOW_MULT_TYPE) != 2) |
| 603 | return 0; |
| 604 | |
| 605 | if (!IS_ALIGNED_SSE(jconst_idct_islow_sse2)) |
| 606 | return 0; |
| 607 | |
| 608 | return 1; |
| 609 | } |
| 610 | |
| 611 | GLOBAL(int) |
| 612 | jsimd_can_idct_ifast (void) |
| 613 | { |
| 614 | /* The code is optimised for these values only */ |
| 615 | if (DCTSIZE != 8) |
| 616 | return 0; |
| 617 | if (sizeof(JCOEF) != 2) |
| 618 | return 0; |
| 619 | if (BITS_IN_JSAMPLE != 8) |
| 620 | return 0; |
| 621 | if (sizeof(JDIMENSION) != 4) |
| 622 | return 0; |
| 623 | if (sizeof(IFAST_MULT_TYPE) != 2) |
| 624 | return 0; |
| 625 | if (IFAST_SCALE_BITS != 2) |
| 626 | return 0; |
| 627 | |
| 628 | if (!IS_ALIGNED_SSE(jconst_idct_ifast_sse2)) |
| 629 | return 0; |
| 630 | |
| 631 | return 1; |
| 632 | } |
| 633 | |
| 634 | GLOBAL(int) |
| 635 | jsimd_can_idct_float (void) |
| 636 | { |
| 637 | if (DCTSIZE != 8) |
| 638 | return 0; |
| 639 | if (sizeof(JCOEF) != 2) |
| 640 | return 0; |
| 641 | if (BITS_IN_JSAMPLE != 8) |
| 642 | return 0; |
| 643 | if (sizeof(JDIMENSION) != 4) |
| 644 | return 0; |
| 645 | if (sizeof(FAST_FLOAT) != 4) |
| 646 | return 0; |
| 647 | if (sizeof(FLOAT_MULT_TYPE) != 4) |
| 648 | return 0; |
| 649 | |
| 650 | if (!IS_ALIGNED_SSE(jconst_idct_float_sse2)) |
| 651 | return 0; |
| 652 | |
| 653 | return 1; |
| 654 | } |
| 655 | |
| 656 | GLOBAL(void) |
| 657 | jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, |
| 658 | JCOEFPTR coef_block, JSAMPARRAY output_buf, |
| 659 | JDIMENSION output_col) |
| 660 | { |
| 661 | jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col); |
| 662 | } |
| 663 | |
| 664 | GLOBAL(void) |
| 665 | jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr, |
| 666 | JCOEFPTR coef_block, JSAMPARRAY output_buf, |
| 667 | JDIMENSION output_col) |
| 668 | { |
| 669 | jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col); |
| 670 | } |
| 671 | |
| 672 | GLOBAL(void) |
| 673 | jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr, |
| 674 | JCOEFPTR coef_block, JSAMPARRAY output_buf, |
| 675 | JDIMENSION output_col) |
| 676 | { |
| 677 | jsimd_idct_float_sse2(compptr->dct_table, coef_block, |
| 678 | output_buf, output_col); |
| 679 | } |
| 680 | |