src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt

   1 TGSI Instruction Specification
   2 ==============================
   3 ==============================
   4
   5
   6 1  Instruction Set Operations
   7 =============================
   8
   9
  10 1.1  GL_NV_vertex_program
  11 -------------------------
  12
  13
  14 1.1.1  ARL - Address Register Load
  15
  16   dst.x = floor(src.x)
  17   dst.y = floor(src.y)
  18   dst.z = floor(src.z)
  19   dst.w = floor(src.w)
  20
  21
  22 1.1.2  MOV - Move
  23
  24   dst.x = src.x
  25   dst.y = src.y
  26   dst.z = src.z
  27   dst.w = src.w
  28
  29
  30 1.1.3  LIT - Light Coefficients
  31
  32   dst.x = 1.0
  33   dst.y = max(src.x, 0.0)
  34   dst.z = (src.x > 0.0) ? pow(max(src.y, 0.0), clamp(src.w, -128.0, 128.0)) : 0.0
  35   dst.w = 1.0
  36
  37
  38 1.1.4  RCP - Reciprocal
  39
  40   dst.x = 1.0 / src.x
  41   dst.y = 1.0 / src.x
  42   dst.z = 1.0 / src.x
  43   dst.w = 1.0 / src.x
  44
  45
  46 1.1.5  RSQ - Reciprocal Square Root
  47
  48   dst.x = 1.0 / sqrt(abs(src.x))
  49   dst.y = 1.0 / sqrt(abs(src.x))
  50   dst.z = 1.0 / sqrt(abs(src.x))
  51   dst.w = 1.0 / sqrt(abs(src.x))
  52
  53
  54 1.1.6  EXP - Approximate Exponential Base 2
  55
  56   dst.x = pow(2.0, floor(src.x))
  57   dst.y = src.x - floor(src.x)
  58   dst.z = pow(2.0, src.x)
  59   dst.w = 1.0
  60
  61
  62 1.1.7  LOG - Approximate Logarithm Base 2
  63
  64   dst.x = floor(lg2(abs(src.x)))
  65   dst.y = abs(src.x) / pow(2.0, floor(lg2(abs(src.x))))
  66   dst.z = lg2(abs(src.x))
  67   dst.w = 1.0
  68
  69
  70 1.1.8  MUL - Multiply
  71
  72   dst.x = src0.x * src1.x
  73   dst.y = src0.y * src1.y
  74   dst.z = src0.z * src1.z
  75   dst.w = src0.w * src1.w
  76
  77
  78 1.1.9  ADD - Add
  79
  80   dst.x = src0.x + src1.x
  81   dst.y = src0.y + src1.y
  82   dst.z = src0.z + src1.z
  83   dst.w = src0.w + src1.w
  84
  85
  86 1.1.10  DP3 - 3-component Dot Product
  87
  88   dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
  89   dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
  90   dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
  91   dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z
  92
  93
  94 1.1.11  DP4 - 4-component Dot Product
  95
  96   dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
  97   dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
  98   dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
  99   dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src0.w * src1.w
 100
 101
 102 1.1.12  DST - Distance Vector
 103
 104   dst.x = 1.0
 105   dst.y = src0.y * src1.y
 106   dst.z = src0.z
 107   dst.w = src1.w
 108
 109
 110 1.1.13  MIN - Minimum
 111
 112   dst.x = min(src0.x, src1.x)
 113   dst.y = min(src0.y, src1.y)
 114   dst.z = min(src0.z, src1.z)
 115   dst.w = min(src0.w, src1.w)
 116
 117
 118 1.1.14  MAX - Maximum
 119
 120   dst.x = max(src0.x, src1.x)
 121   dst.y = max(src0.y, src1.y)
 122   dst.z = max(src0.z, src1.z)
 123   dst.w = max(src0.w, src1.w)
 124
 125
 126 1.1.15  SLT - Set On Less Than
 127
 128   dst.x = (src0.x < src1.x) ? 1.0 : 0.0
 129   dst.y = (src0.y < src1.y) ? 1.0 : 0.0
 130   dst.z = (src0.z < src1.z) ? 1.0 : 0.0
 131   dst.w = (src0.w < src1.w) ? 1.0 : 0.0
 132
 133
 134 1.1.16  SGE - Set On Greater Equal Than
 135
 136   dst.x = (src0.x >= src1.x) ? 1.0 : 0.0
 137   dst.y = (src0.y >= src1.y) ? 1.0 : 0.0
 138   dst.z = (src0.z >= src1.z) ? 1.0 : 0.0
 139   dst.w = (src0.w >= src1.w) ? 1.0 : 0.0
 140
 141
 142 1.1.17  MAD - Multiply And Add
 143
 144   dst.x = src0.x * src1.x + src2.x
 145   dst.y = src0.y * src1.y + src2.y
 146   dst.z = src0.z * src1.z + src2.z
 147   dst.w = src0.w * src1.w + src2.w
 148
 149
 150 1.2  GL_ATI_fragment_shader
 151 ---------------------------
 152
 153
 154 1.2.1  SUB - Subtract
 155
 156   dst.x = src0.x - src1.x
 157   dst.y = src0.y - src1.y
 158   dst.z = src0.z - src1.z
 159   dst.w = src0.w - src1.w
 160
 161
 162 1.2.2  DOT3 - 3-component Dot Product
 163
 164   Alias for DP3.
 165
 166
 167 1.2.3  DOT4 - 4-component Dot Product
 168
 169   Alias for DP4.
 170
 171
 172 1.2.4  LERP - Linear Interpolate
 173
 174   dst.x = src0.x * (src1.x - src2.x) + src2.x
 175   dst.y = src0.y * (src1.y - src2.y) + src2.y
 176   dst.z = src0.z * (src1.z - src2.z) + src2.z
 177   dst.w = src0.w * (src1.w - src2.w) + src2.w
 178
 179
 180 1.2.5  CND - Condition
 181
 182   dst.x = (src2.x > 0.5) ? src0.x : src1.x
 183   dst.y = (src2.y > 0.5) ? src0.y : src1.y
 184   dst.z = (src2.z > 0.5) ? src0.z : src1.z
 185   dst.w = (src2.w > 0.5) ? src0.w : src1.w
 186
 187
 188 1.2.6  CND0 - Condition Zero
 189
 190   dst.x = (src2.x >= 0.0) ? src0.x : src1.x
 191   dst.y = (src2.y >= 0.0) ? src0.y : src1.y
 192   dst.z = (src2.z >= 0.0) ? src0.z : src1.z
 193   dst.w = (src2.w >= 0.0) ? src0.w : src1.w
 194
 195
 196 1.2.7  DOT2ADD - 2-component Dot Product And Add
 197
 198   dst.x = src0.x * src1.x + src0.y * src1.y + src2.x
 199   dst.y = src0.x * src1.x + src0.y * src1.y + src2.x
 200   dst.z = src0.x * src1.x + src0.y * src1.y + src2.x
 201   dst.w = src0.x * src1.x + src0.y * src1.y + src2.x
 202
 203
 204 1.3  GL_EXT_vertex_shader
 205 -------------------------
 206
 207
 208 1.3.1  INDEX - Array Lookup
 209
 210   Considered for removal from language.
 211
 212
 213 1.3.2  NEGATE - Negate
 214
 215   Considered for removal from language.
 216
 217
 218 1.3.3  MADD - Multiply And Add
 219
 220   Alias for MAD.
 221
 222
 223 1.3.4  FRAC - Fraction
 224
 225   dst.x = src.x - floor(src.x)
 226   dst.y = src.y - floor(src.y)
 227   dst.z = src.z - floor(src.z)
 228   dst.w = src.w - floor(src.w)
 229
 230
 231 1.3.5  SETGE - Set On Greater Equal
 232
 233   Alias for SGE.
 234
 235
 236 1.3.6  SETLT - Set On Less Than
 237
 238   Alias for SLT.
 239
 240
 241 1.3.7  CLAMP - Clamp
 242
 243   dst.x = clamp(src0.x, src1.x, src2.x)
 244   dst.y = clamp(src0.y, src1.y, src2.y)
 245   dst.z = clamp(src0.z, src1.z, src2.z)
 246   dst.w = clamp(src0.w, src1.w, src2.w)
 247
 248
 249 1.3.8  FLOOR - Floor
 250
 251   dst.x = floor(src.x)
 252   dst.y = floor(src.y)
 253   dst.z = floor(src.z)
 254   dst.w = floor(src.w)
 255
 256
 257 1.3.9  ROUND - Round
 258
 259   dst.x = round(src.x)
 260   dst.y = round(src.y)
 261   dst.z = round(src.z)
 262   dst.w = round(src.w)
 263
 264
 265 1.3.10  EXPBASE2 - Exponent Base 2
 266
 267   dst.x = pow(2.0, src.x)
 268   dst.y = pow(2.0, src.x)
 269   dst.z = pow(2.0, src.x)
 270   dst.w = pow(2.0, src.x)
 271
 272
 273 1.3.11  LOGBASE2 - Logarithm Base 2
 274
 275   dst.x = lg2(src.x)
 276   dst.y = lg2(src.x)
 277   dst.z = lg2(src.x)
 278   dst.w = lg2(src.x)
 279
 280
 281 1.3.12  POWER - Power
 282
 283   dst.x = pow(src0.x, src1.x)
 284   dst.y = pow(src0.x, src1.x)
 285   dst.z = pow(src0.x, src1.x)
 286   dst.w = pow(src0.x, src1.x)
 287
 288
 289 1.3.13  RECIP - Reciprocal
 290
 291   Alias for RCP.
 292
 293
 294 1.3.14  RECIPSQRT - Reciprocal Square Root
 295
 296   Alias for RSQ.
 297
 298
 299 1.3.15  CROSSPRODUCT - Cross Product
 300
 301   dst.x = src0.y * src1.z - src1.y * src0.z
 302   dst.y = src0.z * src1.x - src1.z * src0.x
 303   dst.z = src0.x * src1.y - src1.x * src0.y
 304   dst.w = 1.0
 305
 306
 307 1.3.16  MULTIPLYMATRIX - Multiply Matrix
 308
 309   Considered for removal from language.
 310
 311
 312 1.4  GL_NV_vertex_program1_1
 313 ----------------------------
 314
 315
 316 1.4.1  ABS - Absolute
 317
 318   dst.x = abs(src.x)
 319   dst.y = abs(src.y)
 320   dst.z = abs(src.z)
 321   dst.w = abs(src.w)
 322
 323
 324 1.4.2  RCC - Reciprocal Clamped
 325
 326   dst.x = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020)
 327   dst.y = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020)
 328   dst.z = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020)
 329   dst.w = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020)
 330
 331
 332 1.4.3  DPH - Homogeneous Dot Product
 333
 334   dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w
 335   dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w
 336   dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w
 337   dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w
 338
 339
 340 1.5  GL_NV_fragment_program
 341 ---------------------------
 342
 343
 344 1.5.1  COS - Cosine
 345
 346   dst.x = cos(src.x)
 347   dst.y = cos(src.x)
 348   dst.z = cos(src.x)
 349   dst.w = cos(src.w)
 350
 351
 352 1.5.2  DDX - Derivative Relative To X
 353
 354   dst.x = partialx(src.x)
 355   dst.y = partialx(src.y)
 356   dst.z = partialx(src.z)
 357   dst.w = partialx(src.w)
 358
 359
 360 1.5.3  DDY - Derivative Relative To Y
 361
 362   dst.x = partialy(src.x)
 363   dst.y = partialy(src.y)
 364   dst.z = partialy(src.z)
 365   dst.w = partialy(src.w)
 366
 367
 368 1.5.4  EX2 - Exponential Base 2
 369
 370   Alias for EXPBASE2.
 371
 372
 373 1.5.5  FLR - Floor
 374
 375   Alias for FLOOR.
 376
 377
 378 1.5.6  FRC - Fraction
 379
 380   Alias for FRAC.
 381
 382
 383 1.5.7  KILP - Predicated Discard
 384
 385   TBD
 386
 387
 388 1.5.8  LG2 - Logarithm Base 2
 389
 390   Alias for LOGBASE2.
 391
 392
 393 1.5.9  LRP - Linear Interpolate
 394
 395   Alias for LERP.
 396
 397
 398 1.5.10  PK2H - Pack Two 16-bit Floats
 399
 400   TBD
 401
 402
 403 1.5.11  PK2US - Pack Two Unsigned 16-bit Scalars
 404
 405   TBD
 406
 407
 408 1.5.12  PK4B - Pack Four Signed 8-bit Scalars
 409
 410   TBD
 411
 412
 413 1.5.13  PK4UB - Pack Four Unsigned 8-bit Scalars
 414
 415   TBD
 416
 417
 418 1.5.14  POW - Power
 419
 420   Alias for POWER.
 421
 422
 423 1.5.15  RFL - Reflection Vector
 424
 425   dst.x = 2.0 * (src0.x * src1.x + src0.y * src1.y + src0.z * src1.z) / (src0.x * src0.x + src0.y * src0.y + src0.z * src0.z) * src0.x - src1.x
 426   dst.y = 2.0 * (src0.x * src1.x + src0.y * src1.y + src0.z * src1.z) / (src0.x * src0.x + src0.y * src0.y + src0.z * src0.z) * src0.y - src1.y
 427   dst.z = 2.0 * (src0.x * src1.x + src0.y * src1.y + src0.z * src1.z) / (src0.x * src0.x + src0.y * src0.y + src0.z * src0.z) * src0.z - src1.z
 428   dst.w = 1.0
 429
 430
 431 1.5.16  SEQ - Set On Equal
 432
 433   dst.x = (src0.x == src1.x) ? 1.0 : 0.0
 434   dst.y = (src0.y == src1.y) ? 1.0 : 0.0
 435   dst.z = (src0.z == src1.z) ? 1.0 : 0.0
 436   dst.w = (src0.w == src1.w) ? 1.0 : 0.0
 437
 438
 439 1.5.17  SFL - Set On False
 440
 441   dst.x = 0.0
 442   dst.y = 0.0
 443   dst.z = 0.0
 444   dst.w = 0.0
 445
 446
 447 1.5.18  SGT - Set On Greater Than
 448
 449   dst.x = (src0.x > src1.x) ? 1.0 : 0.0
 450   dst.y = (src0.y > src1.y) ? 1.0 : 0.0
 451   dst.z = (src0.z > src1.z) ? 1.0 : 0.0
 452   dst.w = (src0.w > src1.w) ? 1.0 : 0.0
 453
 454
 455 1.5.19  SIN - Sine
 456
 457   dst.x = sin(src.x)
 458   dst.y = sin(src.x)
 459   dst.z = sin(src.x)
 460   dst.w = sin(src.w)
 461
 462
 463 1.5.20  SLE - Set On Less Equal Than
 464
 465   dst.x = (src0.x <= src1.x) ? 1.0 : 0.0
 466   dst.y = (src0.y <= src1.y) ? 1.0 : 0.0
 467   dst.z = (src0.z <= src1.z) ? 1.0 : 0.0
 468   dst.w = (src0.w <= src1.w) ? 1.0 : 0.0
 469
 470
 471 1.5.21  SNE - Set On Not Equal
 472
 473   dst.x = (src0.x != src1.x) ? 1.0 : 0.0
 474   dst.y = (src0.y != src1.y) ? 1.0 : 0.0
 475   dst.z = (src0.z != src1.z) ? 1.0 : 0.0
 476   dst.w = (src0.w != src1.w) ? 1.0 : 0.0
 477
 478
 479 1.5.22  STR - Set On True
 480
 481   dst.x = 1.0
 482   dst.y = 1.0
 483   dst.z = 1.0
 484   dst.w = 1.0
 485
 486
 487 1.5.23  TEX - Texture Lookup
 488
 489   TBD
 490
 491
 492 1.5.24  TXD - Texture Lookup with Derivatives
 493
 494   TBD
 495
 496
 497 1.5.25  TXP - Projective Texture Lookup
 498
 499   TBD
 500
 501
 502 1.5.26  UP2H - Unpack Two 16-Bit Floats
 503
 504   TBD
 505
 506
 507 1.5.27  UP2US - Unpack Two Unsigned 16-Bit Scalars
 508
 509   TBD
 510
 511
 512 1.5.28  UP4B - Unpack Four Signed 8-Bit Values
 513
 514   TBD
 515
 516
 517 1.5.29  UP4UB - Unpack Four Unsigned 8-Bit Scalars
 518
 519   TBD
 520
 521
 522 1.5.30  X2D - 2D Coordinate Transformation
 523
 524   dst.x = src0.x + src1.x * src2.x + src1.y * src2.y
 525   dst.y = src0.y + src1.x * src2.z + src1.y * src2.w
 526   dst.z = src0.x + src1.x * src2.x + src1.y * src2.y
 527   dst.w = src0.y + src1.x * src2.z + src1.y * src2.w
 528
 529
 530 1.6  GL_NV_vertex_program2
 531 --------------------------
 532
 533
 534 1.6.1  ARA - Address Register Add
 535
 536   TBD
 537
 538
 539 1.6.2  ARR - Address Register Load With Round
 540
 541   dst.x = round(src.x)
 542   dst.y = round(src.y)
 543   dst.z = round(src.z)
 544   dst.w = round(src.w)
 545
 546
 547 1.6.3  BRA - Branch
 548
 549   TBD
 550
 551
 552 1.6.4  CAL - Subroutine Call
 553
 554   push(pc)
 555   pc = target
 556
 557
 558 1.6.5  RET - Subroutine Call Return
 559
 560   pc = pop()
 561
 562
 563 1.6.6  SSG - Set Sign
 564
 565   dst.x = (src.x > 0.0) ? 1.0 : (src.x < 0.0) ? -1.0 : 0.0
 566   dst.y = (src.y > 0.0) ? 1.0 : (src.y < 0.0) ? -1.0 : 0.0
 567   dst.z = (src.z > 0.0) ? 1.0 : (src.z < 0.0) ? -1.0 : 0.0
 568   dst.w = (src.w > 0.0) ? 1.0 : (src.w < 0.0) ? -1.0 : 0.0
 569
 570
 571 1.7  GL_ARB_vertex_program
 572 --------------------------
 573
 574
 575 1.7.1  SWZ - Extended Swizzle
 576
 577   dst.x = src.x
 578   dst.y = src.y
 579   dst.z = src.z
 580   dst.w = src.w
 581
 582
 583 1.7.2  XPD - Cross Product
 584
 585   Alias for CROSSPRODUCT.
 586
 587
 588 1.8  GL_ARB_fragment_program
 589 ----------------------------
 590
 591
 592 1.8.1  CMP - Compare
 593
 594   dst.x = (src0.x < 0.0) ? src1.x : src2.x
 595   dst.y = (src0.y < 0.0) ? src1.y : src2.y
 596   dst.z = (src0.z < 0.0) ? src1.z : src2.z
 597   dst.w = (src0.w < 0.0) ? src1.w : src2.w
 598
 599
 600 1.8.2  KIL - Conditional Discard
 601
 602   TBD
 603
 604
 605 1.8.3  SCS - Sine Cosine
 606
 607   dst.x = cos(src.x)
 608   dst.y = sin(src.x)
 609   dst.z = 0.0
 610   dst.y = 1.0
 611
 612
 613 1.8.4  TXB - Texture Lookup With Bias
 614
 615   TBD
 616
 617
 618 1.9  GL_NV_fragment_program2
 619 ----------------------------
 620
 621
 622 1.9.1  NRM - 3-component Vector Normalise
 623
 624   dst.x = src.x / (src.x * src.x + src.y * src.y + src.z * src.z)
 625   dst.y = src.y / (src.x * src.x + src.y * src.y + src.z * src.z)
 626   dst.z = src.z / (src.x * src.x + src.y * src.y + src.z * src.z)
 627   dst.w = 1.0
 628
 629
 630 1.9.2  DIV - Divide
 631
 632   dst.x = src0.x / src1.x
 633   dst.y = src0.y / src1.y
 634   dst.z = src0.z / src1.z
 635   dst.w = src0.w / src1.w
 636
 637
 638 1.9.3  DP2 - 2-component Dot Product
 639
 640   dst.x = src0.x * src1.x + src0.y * src1.y
 641   dst.y = src0.x * src1.x + src0.y * src1.y
 642   dst.z = src0.x * src1.x + src0.y * src1.y
 643   dst.w = src0.x * src1.x + src0.y * src1.y
 644
 645
 646 1.9.4  DP2A - 2-component Dot Product And Add
 647
 648   Alias for DOT2ADD.
 649
 650
 651 1.9.5  TXL - Texture Lookup With LOD
 652
 653   TBD
 654
 655
 656 1.9.6  BRK - Break
 657
 658   TBD
 659
 660
 661 1.9.7  IF - If
 662
 663   TBD
 664
 665
 666 1.9.8  LOOP - Loop
 667
 668   TBD
 669
 670
 671 1.9.9  REP - Repeat
 672
 673   TBD
 674
 675
 676 1.9.10  ELSE - Else
 677
 678   TBD
 679
 680
 681 1.9.11  ENDIF - End If
 682
 683   TBD
 684
 685
 686 1.9.12  ENDLOOP - End Loop
 687
 688   TBD
 689
 690
 691 1.9.13  ENDREP - End Repeat
 692
 693   TBD
 694
 695
 696 1.10  GL_NV_vertex_program3
 697 ---------------------------
 698
 699
 700 1.10.1  PUSHA - Push Address Register On Stack
 701
 702   push(src.x)
 703   push(src.y)
 704   push(src.z)
 705   push(src.w)
 706
 707
 708 1.10.2  POPA - Pop Address Register From Stack
 709
 710   dst.w = pop()
 711   dst.z = pop()
 712   dst.y = pop()
 713   dst.x = pop()
 714
 715
 716 1.11  GL_NV_gpu_program4
 717 ------------------------
 718
 719
 720 1.11.1  CEIL - Ceiling
 721
 722   dst.x = ceil(src.x)
 723   dst.y = ceil(src.y)
 724   dst.z = ceil(src.z)
 725   dst.w = ceil(src.w)
 726
 727
 728 1.11.2  I2F - Integer To Float
 729
 730   dst.x = (float) src.x
 731   dst.y = (float) src.y
 732   dst.z = (float) src.z
 733   dst.w = (float) src.w
 734
 735
 736 1.11.3  NOT - Bitwise Not
 737
 738   dst.x = ~src.x
 739   dst.y = ~src.y
 740   dst.z = ~src.z
 741   dst.w = ~src.w
 742
 743
 744 1.11.4  TRUNC - Truncate
 745
 746   dst.x = trunc(src.x)
 747   dst.y = trunc(src.y)
 748   dst.z = trunc(src.z)
 749   dst.w = trunc(src.w)
 750
 751
 752 1.11.5  SHL - Shift Left
 753
 754   dst.x = src0.x << src1.x
 755   dst.y = src0.y << src1.x
 756   dst.z = src0.z << src1.x
 757   dst.w = src0.w << src1.x
 758
 759
 760 1.11.6  SHR - Shift Right
 761
 762   dst.x = src0.x >> src1.x
 763   dst.y = src0.y >> src1.x
 764   dst.z = src0.z >> src1.x
 765   dst.w = src0.w >> src1.x
 766
 767
 768 1.11.7  AND - Bitwise And
 769
 770   dst.x = src0.x & src1.x
 771   dst.y = src0.y & src1.y
 772   dst.z = src0.z & src1.z
 773   dst.w = src0.w & src1.w
 774
 775
 776 1.11.8  OR - Bitwise Or
 777
 778   dst.x = src0.x | src1.x
 779   dst.y = src0.y | src1.y
 780   dst.z = src0.z | src1.z
 781   dst.w = src0.w | src1.w
 782
 783
 784 1.11.9  MOD - Modulus
 785
 786   dst.x = src0.x % src1.x
 787   dst.y = src0.y % src1.y
 788   dst.z = src0.z % src1.z
 789   dst.w = src0.w % src1.w
 790
 791
 792 1.11.10  XOR - Bitwise Xor
 793
 794   dst.x = src0.x ^ src1.x
 795   dst.y = src0.y ^ src1.y
 796   dst.z = src0.z ^ src1.z
 797   dst.w = src0.w ^ src1.w
 798
 799
 800 1.11.11  SAD - Sum Of Absolute Differences
 801
 802   dst.x = abs(src0.x - src1.x) + src2.x
 803   dst.y = abs(src0.y - src1.y) + src2.y
 804   dst.z = abs(src0.z - src1.z) + src2.z
 805   dst.w = abs(src0.w - src1.w) + src2.w
 806
 807
 808 1.11.12  TXF - Texel Fetch
 809
 810   TBD
 811
 812
 813 1.11.13  TXQ - Texture Size Query
 814
 815   TBD
 816
 817
 818 1.11.14  CONT - Continue
 819
 820   TBD
 821
 822
 823 1.12  GL_NV_geometry_program4
 824 -----------------------------
 825
 826
 827 1.12.1  EMIT - Emit
 828
 829   TBD
 830
 831
 832 1.12.2  ENDPRIM - End Primitive
 833
 834   TBD
 835
 836
 837 1.13  GLSL
 838 ----------
 839
 840
 841 1.13.1  BGNLOOP2 - Begin Loop
 842
 843   TBD
 844
 845
 846 1.13.2  BGNSUB - Begin Subroutine
 847
 848   TBD
 849
 850
 851 1.13.3  ENDLOOP2 - End Loop
 852
 853   TBD
 854
 855
 856 1.13.4  ENDSUB - End Subroutine
 857
 858   TBD
 859
 860
 861 1.13.5  INT - Truncate
 862
 863   Alias for TRUNC.
 864
 865
 866 1.13.6  NOISE1 - 1D Noise
 867
 868   TBD
 869
 870
 871 1.13.7  NOISE2 - 2D Noise
 872
 873   TBD
 874
 875
 876 1.13.8  NOISE3 - 3D Noise
 877
 878   TBD
 879
 880
 881 1.13.9  NOISE4 - 4D Noise
 882
 883   TBD
 884
 885
 886 1.13.10  NOP - No Operation
 887
 888   Do nothing.
 889
 890
 891 1.14  ps_1_1
 892 ------------
 893
 894
 895 1.14.1  TEXKILL - Conditional Discard
 896
 897   Alias for KIL.
 898
 899
 900 1.15  ps_1_4
 901 ------------
 902
 903
 904 1.15.1  TEXLD - Texture Lookup
 905
 906   Alias for TEX.
 907
 908
 909 1.16  ps_2_0
 910 ------------
 911
 912
 913 1.16.1  M4X4 - Multiply Matrix
 914
 915   Alias for MULTIPLYMATRIX.
 916
 917
 918 1.16.2  M4X3 - Multiply Matrix
 919
 920   Considered for removal from language.
 921
 922
 923 1.16.3  M3X4 - Multiply Matrix
 924
 925   Considered for removal from language.
 926
 927
 928 1.16.4  M3X3 - Multiply Matrix
 929
 930   Considered for removal from language.
 931
 932
 933 1.16.5  M3X2 - Multiply Matrix
 934
 935   Considered for removal from language.
 936
 937
 938 1.16.6  CRS - Cross Product
 939
 940   Alias for XPD.
 941
 942
 943 1.16.7  NRM4 - 4-component Vector Normalise
 944
 945   dst.x = src.x / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w)
 946   dst.y = src.y / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w)
 947   dst.z = src.z / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w)
 948   dst.w = src.w / (src.x * src.x + src.y * src.y + src.z * src.z + src.w * src.w)
 949
 950
 951 1.16.8  SINCOS - Sine Cosine
 952
 953   Alias for SCS.
 954
 955
 956 1.16.9  TEXLDB - Texture Lookup With Bias
 957
 958   Alias for TXB.
 959
 960
 961 1.16.10  DP2ADD - 2-component Dot Product And Add
 962
 963   Alias for DP2A.
 964
 965
 966 1.17  ps_2_x
 967 ------------
 968
 969
 970 1.17.1  CALL - Subroutine Call
 971
 972   Alias for CAL.
 973
 974
 975 1.17.2  CALLNZ - Subroutine Call If Not Zero
 976
 977   TBD
 978
 979
 980 1.17.3  IFC - If
 981
 982   TBD
 983
 984
 985 1.17.4  BREAK - Break
 986
 987   Alias for BRK.
 988
 989
 990 1.17.5  BREAKC - Break Conditional
 991
 992   TBD
 993
 994
 995 1.17.6  DSX - Derivative Relative To X
 996
 997   Alias for DDX.
 998
 999
1000 1.17.7  DSY - Derivative Relative To Y
1001
1002   Alias for DDY.
1003
1004
1005 1.17.8  TEXLDD - Texture Lookup with Derivatives
1006
1007   Alias for TXD.
1008
1009
1010 1.18  vs_1_1
1011 ------------
1012
1013
1014 1.18.1  EXPP - Approximate Exponential Base 2
1015
1016   Alias for EXP.
1017
1018
1019 1.18.2  LOGP - Logarithm Base 2
1020
1021   Alias for LG2.
1022