File size: 17,163 Bytes
8ead80b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 |
;*****************************************************************************
;* x86-optimized functions for lut3d filter
;*
;* Copyright (c) 2021 Mark Reid <[email protected]>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
pd_1f: times 8 dd 1.0
pd_3f: times 8 dd 3.0
pd_65535f: times 8 dd 65535.0
pd_65535_invf: times 8 dd 0x37800080 ;1.0/65535.0
pb_shuffle16: db 0, 1, 0x80, 0x80, \
2, 3, 0x80, 0x80, \
4, 5, 0x80, 0x80, \
6, 7, 0x80, 0x80
pb_lo_pack_shuffle16: db 0, 1, 4, 5, \
8, 9, 12, 13, \
0x80, 0x80, 0x80, 0x80, \
0x80, 0x80, 0x80, 0x80
pb_hi_pack_shuffle16: db 0x80, 0x80, 0x80, 0x80, \
0x80, 0x80, 0x80, 0x80, \
0, 1, 4, 5, \
8, 9, 12, 13
SECTION .text
struc Lut3DPreLut
.size: resd 1
.min: resd 3
.max: resd 3
.scale: resd 3
.lut: resq 3
endstruc
struc LUT3DContext
.class: resq 1
.lut: resq 1
.lutsize: resd 1
.lutsize2: resd 1
.scale: resd 3
endstruc
%define AV_NUM_DATA_POINTERS 8
struc AVFrame
.data: resq AV_NUM_DATA_POINTERS
.linesize: resd AV_NUM_DATA_POINTERS
.extended_data: resq 1
.width: resd 1
.height: resd 1
endstruc
%define rm rsp
%define gm rsp+mmsize
%define bm rsp+(mmsize*2)
%define lut3dsizem [rsp+mmsize*3]
%define lut3dsize2m [rsp+mmsize*4]
%define lut3dmaxm [rsp+mmsize*5]
%define prelutmaxm [rsp+mmsize*6]
%define scalerm [rsp+mmsize*7]
%define scalegm [rsp+mmsize*8]
%define scalebm [rsp+mmsize*9]
%define prelutminrm [rsp+mmsize*10]
%define prelutmingm [rsp+mmsize*11]
%define prelutminbm [rsp+mmsize*12]
%define prelutscalerm [rsp+mmsize*13]
%define prelutscalegm [rsp+mmsize*14]
%define prelutscalebm [rsp+mmsize*15]
; data pointers
%define srcrm [rsp+mmsize*16 + 0]
%define srcgm [rsp+mmsize*16 + 8]
%define srcbm [rsp+mmsize*16 + 16]
%define srcam [rsp+mmsize*16 + 24]
%define dstrm [rsp+mmsize*16 + 32]
%define dstgm [rsp+mmsize*16 + 40]
%define dstbm [rsp+mmsize*16 + 48]
%define dstam [rsp+mmsize*16 + 56]
; 1 - prev
; 2 - next
; 3 - offset
%macro FETCH_PRELUT_PN 3
mov tmp2d, [rm + %3]
mov tmp3d, [gm + %3]
movss xm%1, [tmpq + tmp2q*4]
movss xm%2, [tmpq + tmp3q*4]
movss [rm + %3], xm%1
movss [gm + %3], xm%2
%endmacro
; 1 - p
; 2 - n
; 3 - p indices
; 4 - n indices
%macro GATHER_PRELUT 4
%if cpuflag(avx2)
vpcmpeqb m7, m7
vgatherdps m%1, [tmpq + m%3*4], m7 ; p
vpcmpeqb m9, m9
vgatherdps m%2, [tmpq + m%4*4], m9 ; n
%else
mova [rm], m%3
mova [gm], m%4
FETCH_PRELUT_PN %1, %2, 0
FETCH_PRELUT_PN %1, %2, 4
FETCH_PRELUT_PN %1, %2, 8
FETCH_PRELUT_PN %1, %2, 12
%if mmsize > 16
FETCH_PRELUT_PN %1, %2, 16
FETCH_PRELUT_PN %1, %2, 20
FETCH_PRELUT_PN %1, %2, 24
FETCH_PRELUT_PN %1, %2, 28
%endif
movu m%1, [rm]
movu m%2, [gm]
%endif
%endmacro
%macro FLOORPS 2
%if mmsize > 16
vroundps %1, %2, 0x01
%else
cvttps2dq %1, %2
cvtdq2ps %1, %1
%endif
%endmacro
; %1 = %2 * %3 + %1
%macro MADD3 3
%if cpuflag(avx2)
vfmadd231ps %1, %2, %3
%else
mulps %2, %2, %3
addps %1, %1, %2
%endif
%endmacro
; 1 - dst
; 2 - index
; 3 - min
; 4 - scale
; assumes lut max m13, m14 1.0f, zero m15
%macro APPLY_PRELUT 4
; scale
subps m5, m%1, %3 ; v - min
mulps m5, m5, %4 ; v * scale
; clamp
maxps m5, m5, m15 ; max zero, Max first, NAN set to zero
minps m5, m5, m13 ; min lut max
FLOORPS m3, m5 ; prev index
subps m5, m5, m3 ; d
addps m4, m3, m14 ; p+1 = n index
minps m4, m4, m13 ; clamp n idex
mov tmpq, [prelutq + Lut3DPreLut.lut + %2*8]
cvttps2dq m6, m3
cvttps2dq m10, m4
GATHER_PRELUT %1, 4, 6, 10
; lerp
subps m8, m4, m%1
MADD3 m%1, m8, m5
%endmacro
; 1 - dst
; 2 - scale
; assumes lut max m13, zero m15
%macro APPLY_SCALE 2
mulps m%1, m%1, %2
maxps m%1, m%1, m15 ; Max first, NAN set to zero
minps m%1, m%1, m13
%endmacro
%macro BLEND 4
%if mmsize > 16
vblendvps %1, %2, %3, %4
%else
%ifidni %1,%2
%error operand 1 must not equal operand 2
%endif
%ifidni %1,%3
%error operand 1 must not equal operand 3
%endif
mova %1, %2
xorps %1, %3
andps %1, %4
xorps %1, %2
%endif
%endmacro
%macro ADD3 4
addps %1, %2, %3
addps %1, %1, %4
%endmacro
%macro FETCH_LUT3D_RGB 4
mov tmp2d, [rm + %4]
movss xm%1, [tmpq + tmp2q*4 + 0]
movss xm%2, [tmpq + tmp2q*4 + 4]
movss xm%3, [tmpq + tmp2q*4 + 8]
movss [rm + %4], xm%1
movss [gm + %4], xm%2
movss [bm + %4], xm%3
%endmacro
; 1 - dstr
; 2 - dstg
; 3 - dstb
; 4 - indices
%macro GATHER_LUT3D_INDICES 4
%if cpuflag(avx2)
vpcmpeqb m3, m3
vgatherdps m%1, [tmpq + m%4*4 + 0], m3
vpcmpeqb m14, m14
vgatherdps m%2, [tmpq + m%4*4 + 4], m14
vpcmpeqb m15, m15
vgatherdps m%3, [tmpq + m%4*4 + 8], m15
%else
movu [rm], m%4
FETCH_LUT3D_RGB %1, %2, %3, 0
FETCH_LUT3D_RGB %1, %2, %3, 4
FETCH_LUT3D_RGB %1, %2, %3, 8
FETCH_LUT3D_RGB %1, %2, %3, 12
%if mmsize > 16
FETCH_LUT3D_RGB %1, %2, %3, 16
FETCH_LUT3D_RGB %1, %2, %3, 20
FETCH_LUT3D_RGB %1, %2, %3, 24
FETCH_LUT3D_RGB %1, %2, %3, 28
%endif
movu m%1, [rm]
movu m%2, [gm]
movu m%3, [bm]
%endif
%endmacro
%macro interp_tetrahedral 0
%define d_r m0
%define d_g m1
%define d_b m2
%define prev_r m3
%define prev_g m4
%define prev_b m5
%define next_r m6
%define next_g m7
%define next_b m8
%define x0 m4
%define x1 m5
%define x2 m6
; setup prev index
FLOORPS prev_r, m0
FLOORPS prev_g, m1
FLOORPS prev_b, m2
; setup deltas
subps d_r, m0, prev_r
subps d_g, m1, prev_g
subps d_b, m2, prev_b
; setup next index
addps next_r, prev_r, m14 ; +1
minps next_r, next_r, m13 ; clamp lutmax
addps next_g, prev_g, m14 ; +1
minps next_g, next_g, m13 ; clamp lutmax
addps next_b, prev_b, m14 ; +1
minps next_b, next_b, m13 ; clamp lutmax
; prescale indices
mulps prev_r, prev_r, lut3dsize2m
mulps next_r, next_r, lut3dsize2m
mulps prev_g, prev_g, lut3dsizem
mulps next_g, next_g, lut3dsizem
mulps prev_b, prev_b, [pd_3f]
mulps next_b, next_b, [pd_3f]
; cxxxa m10
; 1 is the delta that is the largest
; r> == c100 == (r>g && r>b)
; g> == c010 == (g>r && g>b)
; b> == c001 == (b>r && b>g)
; if delta > other 2 use next else prev
; cxxxb m11;
; 0 is the delta that is the smallest
; r< == c011 == (r<=g && r<=b)
; g< == c101 == (g<=r && g<=b)
; b< == c110 == (b<=r && b<=g)
; if delta <= other 2 use prev else next
cmpps m13, d_r, d_g, 0x1E ; r>g
cmpps m14, d_g, d_b, 0x1E ; g>b
cmpps m15, d_b, d_r, 0x1E ; b>r
; r> !b>r && r>g
andnps m9, m15, m13
BLEND m10, prev_r, next_r, m9
; r< !r>g && b>r
andnps m9, m13, m15
BLEND m11, next_r, prev_r, m9
; g> !r>g && g>b
andnps m9, m13, m14
BLEND m12, prev_g, next_g, m9
addps m10, m10, m12
; g< !g>b && r>g
andnps m9, m14, m13
BLEND m12, next_g, prev_g, m9
addps m11, m11, m12
; b> !g>b && b>r
andnps m9, m14, m15
BLEND m12, prev_b, next_b, m9
addps m10, m10, m12
; b< !b>r && g>b
andnps m9, m15, m14
BLEND m12, next_b, prev_b, m9
addps m11, m11, m12
; c000 m12;
ADD3 m12, prev_r, prev_g, prev_b
; c111 m13;
ADD3 m13, next_r, next_g, next_b
; sort delta r,g,b x0 >= x1 >= x2
minps m7, d_r, d_g
maxps m8, d_r, d_g
minps x2, m7, d_b
maxps m7, m7, d_b
maxps x0, m8, d_b
minps x1, m8, m7
; convert indices to integer
cvttps2dq m12, m12
cvttps2dq m10, m10
cvttps2dq m11, m11
cvttps2dq m13, m13
; now the gathering festival
mov tmpq, [ctxq + LUT3DContext.lut]
GATHER_LUT3D_INDICES 0, 1, 2, 12
movu m14, [pd_1f]
subps m14, m14, x0; 1 - x0
mulps m0, m0, m14
mulps m1, m1, m14
mulps m2, m2, m14
GATHER_LUT3D_INDICES 7, 8, 9, 10
subps m14, x0, x1; x0 - x1
MADD3 m0, m7, m14
MADD3 m1, m8, m14
MADD3 m2, m9, m14
GATHER_LUT3D_INDICES 7, 8, 9, 11
subps m14, x1, x2; x1 - x2
MADD3 m0, m7, m14
MADD3 m1, m8, m14
MADD3 m2, m9, m14
GATHER_LUT3D_INDICES 7, 8, 9, 13
MADD3 m0, m7, x2
MADD3 m1, m8, x2
MADD3 m2, m9, x2
%endmacro
%macro INIT_DATA_PTR 3
mov ptrq, [%2 + AVFrame.data + %3 * 8]
mov tmpd, [%2 + AVFrame.linesize + %3 * 4]
imul tmpd, slice_startd
add ptrq, tmpq
mov %1, ptrq
%endmacro
%macro INC_DATA_PTR 3
mov tmpd, [%2 + AVFrame.linesize + %3 * 4]
mov ptrq, %1
add ptrq, tmpq
mov %1, ptrq
%endmacro
%macro LOAD16 2
mov ptrq, %2
%if mmsize > 16
movu xm%1, [ptrq + xq*2]
%else
movsd xm%1, [ptrq + xq*2]
%endif
%if cpuflag(avx2)
vpmovzxwd m%1, xm%1
%else
%if mmsize > 16
pshufd xm4, xm%1, (1 << 6 | 0 << 4 | 3 << 2 | 2 << 0)
pshufb xm%1, xm6 ; pb_shuffle16
pshufb xm4, xm6 ; pb_shuffle16
vinsertf128 m%1, m%1, xm4, 1
%else
pshufd xm%1, xm%1, (3 << 6 | 1 << 4 | 3 << 2 | 0 << 0)
pshuflw xm%1, xm%1, (2 << 6 | 1 << 4 | 2 << 2 | 0 << 0)
pshufhw xm%1, xm%1, (2 << 6 | 1 << 4 | 2 << 2 | 0 << 0)
%endif
%endif
cvtdq2ps m%1, m%1
mulps m%1, m%1, m7 ; pd_65535_invf
%endmacro
%macro STORE16 2
mulps m%2, m%2, m5 ; [pd_65535f]
minps m%2, m%2, m5 ; [pd_65535f]
maxps m%2, m%2, m15 ; zero
cvttps2dq m%2, m%2
%if mmsize > 16
vextractf128 xm4, m%2, 1
pshufb xm%2, xm6 ; [pb_lo_pack_shuffle16]
pshufb xm4, xm7 ; [pb_hi_pack_shuffle16]
por xm%2, xm4
%else
pshuflw xm%2, xm%2, (1 << 6 | 1 << 4 | 2 << 2 | 0 << 0)
pshufhw xm%2, xm%2, (1 << 6 | 1 << 4 | 2 << 2 | 0 << 0)
pshufd xm%2, xm%2, (3 << 6 | 3 << 4 | 2 << 2 | 0 << 0)
%endif
mov ptrq, %1
%if mmsize > 16
movu [ptrq + xq*2], xm%2
%else
movsd [ptrq + xq*2], xm%2
%endif
%endmacro
; 1 - interp method
; 2 - format_name
; 3 - depth
; 4 - is float format
%macro DEFINE_INTERP_FUNC 4
cglobal interp_%1_%2, 7, 13, 16, mmsize*16+(8*8), ctx, prelut, src_image, dst_image, slice_start, slice_end, has_alpha, width, x, ptr, tmp, tmp2, tmp3
; store lut max and lutsize
mov tmpd, dword [ctxq + LUT3DContext.lutsize]
cvtsi2ss xm0, tmpd
mulss xm0, xm0, [pd_3f]
VBROADCASTSS m0, xm0
mova lut3dsizem, m0
sub tmpd, 1
cvtsi2ss xm0, tmpd
VBROADCASTSS m0, xm0
mova lut3dmaxm, m0
; scale_r
mulss xm1, xm0, dword [ctxq + LUT3DContext.scale + 0*4]
VBROADCASTSS m1, xm1
mova scalerm, m1
; scale_g
mulss xm1, xm0, dword [ctxq + LUT3DContext.scale + 1*4]
VBROADCASTSS m1, xm1
mova scalegm, m1
; scale_b
mulss xm1, xm0, dword [ctxq + LUT3DContext.scale + 2*4]
VBROADCASTSS m1, xm1
mova scalebm, m1
; store lutsize2
cvtsi2ss xm0, dword [ctxq + LUT3DContext.lutsize2]
mulss xm0, xm0, [pd_3f]
VBROADCASTSS m0, xm0
mova lut3dsize2m, m0
; init prelut values
cmp prelutq, 0
je %%skip_init_prelut
mov tmpd, dword [prelutq + Lut3DPreLut.size]
sub tmpd, 1
cvtsi2ss xm0, tmpd
VBROADCASTSS m0, xm0
mova prelutmaxm, m0
VBROADCASTSS m0, dword [prelutq + Lut3DPreLut.min + 0*4]
mova prelutminrm, m0
VBROADCASTSS m0, dword [prelutq + Lut3DPreLut.min + 1*4]
mova prelutmingm, m0
VBROADCASTSS m0, dword [prelutq + Lut3DPreLut.min + 2*4]
mova prelutminbm, m0
VBROADCASTSS m0, dword [prelutq + Lut3DPreLut.scale + 0*4]
mova prelutscalerm, m0
VBROADCASTSS m0, dword [prelutq + Lut3DPreLut.scale + 1*4]
mova prelutscalegm, m0
VBROADCASTSS m0, dword [prelutq + Lut3DPreLut.scale + 2*4]
mova prelutscalebm, m0
%%skip_init_prelut:
mov widthd, [src_imageq + AVFrame.width]
; gbra pixel order
INIT_DATA_PTR srcrm, src_imageq, 2
INIT_DATA_PTR srcgm, src_imageq, 0
INIT_DATA_PTR srcbm, src_imageq, 1
INIT_DATA_PTR srcam, src_imageq, 3
INIT_DATA_PTR dstrm, dst_imageq, 2
INIT_DATA_PTR dstgm, dst_imageq, 0
INIT_DATA_PTR dstbm, dst_imageq, 1
INIT_DATA_PTR dstam, dst_imageq, 3
%%loop_y:
xor xq, xq
%%loop_x:
movu m14, [pd_1f]
xorps m15, m15, m15
%if %4 ; float
mov ptrq, srcrm
movu m0, [ptrq + xq*4]
mov ptrq, srcgm
movu m1, [ptrq + xq*4]
mov ptrq, srcbm
movu m2, [ptrq + xq*4]
%else
; constants for LOAD16
movu m7, [pd_65535_invf]
%if notcpuflag(avx2) && mmsize >= 32
movu xm6, [pb_shuffle16]
%endif
LOAD16 0, srcrm
LOAD16 1, srcgm
LOAD16 2, srcbm
%endif
cmp prelutq, 0
je %%skip_prelut
mova m13, prelutmaxm
APPLY_PRELUT 0, 0, prelutminrm, prelutscalerm
APPLY_PRELUT 1, 1, prelutmingm, prelutscalegm
APPLY_PRELUT 2, 2, prelutminbm, prelutscalebm
%%skip_prelut:
mova m13, lut3dmaxm
APPLY_SCALE 0, scalerm
APPLY_SCALE 1, scalegm
APPLY_SCALE 2, scalebm
interp_%1
%if %4 ; float
mov ptrq, dstrm
movu [ptrq + xq*4], m0
mov ptrq, dstgm
movu [ptrq + xq*4], m1
mov ptrq, dstbm
movu [ptrq + xq*4], m2
cmp has_alphad, 0
je %%skip_alphaf
mov ptrq, srcam
movu m0, [ptrq + xq*4]
mov ptrq, dstam
movu [ptrq + xq*4], m0
%%skip_alphaf:
%else
; constants for STORE16
movu m5, [pd_65535f]
%if mmsize > 16
movu xm6, [pb_lo_pack_shuffle16]
movu xm7, [pb_hi_pack_shuffle16]
%endif
xorps m15, m15, m15
STORE16 dstrm, 0
STORE16 dstgm, 1
STORE16 dstbm, 2
cmp has_alphad, 0
je %%skip_alpha
%if mmsize > 16
mov ptrq, srcam
movu xm0, [ptrq + xq*2]
mov ptrq, dstam
movu [ptrq + xq*2], xm0
%else
mov ptrq, srcam
movsd xm0, [ptrq + xq*2]
mov ptrq, dstam
movsd [ptrq + xq*2], xm0
%endif
%%skip_alpha:
%endif
add xq, mmsize/4
cmp xd, widthd
jl %%loop_x
INC_DATA_PTR srcrm, src_imageq, 2
INC_DATA_PTR srcgm, src_imageq, 0
INC_DATA_PTR srcbm, src_imageq, 1
INC_DATA_PTR srcam, src_imageq, 3
INC_DATA_PTR dstrm, dst_imageq, 2
INC_DATA_PTR dstgm, dst_imageq, 0
INC_DATA_PTR dstbm, dst_imageq, 1
INC_DATA_PTR dstam, dst_imageq, 3
inc slice_startd
cmp slice_startd, slice_endd
jl %%loop_y
RET
%endmacro
%if ARCH_X86_64
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
DEFINE_INTERP_FUNC tetrahedral, pf32, 32, 1
DEFINE_INTERP_FUNC tetrahedral, p16, 16, 0
%endif
%if HAVE_AVX_EXTERNAL
INIT_YMM avx
DEFINE_INTERP_FUNC tetrahedral, pf32, 32, 1
DEFINE_INTERP_FUNC tetrahedral, p16, 16, 0
%endif
INIT_XMM sse2
DEFINE_INTERP_FUNC tetrahedral, pf32, 32, 1
DEFINE_INTERP_FUNC tetrahedral, p16, 16, 0
%endif
|