src/gallium/include/pipe/p_shader_tokens.h

   1 #if !defined TGSI_TOKEN_H
   2 #define TGSI_TOKEN_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include "p_compiler.h"
   9
  10 struct tgsi_version
  11 {
  12    unsigned MajorVersion  : 8;
  13    unsigned MinorVersion  : 8;
  14    unsigned Padding       : 16;
  15 };
  16
  17 struct tgsi_header
  18 {
  19    unsigned HeaderSize : 8;
  20    unsigned BodySize   : 24;
  21 };
  22
  23 #define TGSI_PROCESSOR_FRAGMENT  0
  24 #define TGSI_PROCESSOR_VERTEX    1
  25 #define TGSI_PROCESSOR_GEOMETRY  2
  26
  27 struct tgsi_processor
  28 {
  29    unsigned Processor  : 4;  /* TGSI_PROCESSOR_ */
  30    unsigned Padding    : 28;
  31 };
  32
  33 #define TGSI_TOKEN_TYPE_DECLARATION    0
  34 #define TGSI_TOKEN_TYPE_IMMEDIATE      1
  35 #define TGSI_TOKEN_TYPE_INSTRUCTION    2
  36
  37 struct tgsi_token
  38 {
  39    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_ */
  40    unsigned Size       : 8;  /* UINT */
  41    unsigned Padding    : 19;
  42    unsigned Extended   : 1;  /* BOOL */
  43 };
  44
  45 #define TGSI_FILE_NULL        0
  46 #define TGSI_FILE_CONSTANT    1
  47 #define TGSI_FILE_INPUT       2
  48 #define TGSI_FILE_OUTPUT      3
  49 #define TGSI_FILE_TEMPORARY   4
  50 #define TGSI_FILE_SAMPLER     5
  51 #define TGSI_FILE_ADDRESS     6
  52 #define TGSI_FILE_IMMEDIATE   7
  53 #define TGSI_FILE_COUNT       8  /**< how many TGSI_FILE_ types */
  54
  55
  56 #define TGSI_DECLARE_RANGE    0
  57 #define TGSI_DECLARE_MASK     1
  58
  59 #define TGSI_WRITEMASK_NONE     0x00
  60 #define TGSI_WRITEMASK_X        0x01
  61 #define TGSI_WRITEMASK_Y        0x02
  62 #define TGSI_WRITEMASK_XY       0x03
  63 #define TGSI_WRITEMASK_Z        0x04
  64 #define TGSI_WRITEMASK_XZ       0x05
  65 #define TGSI_WRITEMASK_YZ       0x06
  66 #define TGSI_WRITEMASK_XYZ      0x07
  67 #define TGSI_WRITEMASK_W        0x08
  68 #define TGSI_WRITEMASK_XW       0x09
  69 #define TGSI_WRITEMASK_YW       0x0A
  70 #define TGSI_WRITEMASK_XYW      0x0B
  71 #define TGSI_WRITEMASK_ZW       0x0C
  72 #define TGSI_WRITEMASK_XZW      0x0D
  73 #define TGSI_WRITEMASK_YZW      0x0E
  74 #define TGSI_WRITEMASK_XYZW     0x0F
  75
  76 struct tgsi_declaration
  77 {
  78    unsigned Type        : 4;  /* TGSI_TOKEN_TYPE_DECLARATION */
  79    unsigned Size        : 8;  /* UINT */
  80    unsigned File        : 4;  /* one of TGSI_FILE_x */
  81    unsigned Declare     : 4;  /* one of TGSI_DECLARE_x */
  82    unsigned UsageMask   : 4;  /* bitmask of TGSI_WRITEMASK_x flags */
  83    unsigned Interpolate : 1;  /* BOOL, any interpolation info? */
  84    unsigned Semantic    : 1;  /* BOOL, any semantic info? */
  85    unsigned Padding     : 5;
  86    unsigned Extended    : 1;  /* BOOL */
  87 };
  88
  89 struct tgsi_declaration_range
  90 {
  91    unsigned First   : 16; /* UINT */
  92    unsigned Last    : 16; /* UINT */
  93 };
  94
  95 struct tgsi_declaration_mask
  96 {
  97    unsigned Mask : 32; /* UINT */
  98 };
  99
 100 #define TGSI_INTERPOLATE_CONSTANT      0
 101 #define TGSI_INTERPOLATE_LINEAR        1
 102 #define TGSI_INTERPOLATE_PERSPECTIVE   2
 103
 104 struct tgsi_declaration_interpolation
 105 {
 106    unsigned Interpolate   : 4;  /* TGSI_INTERPOLATE_ */
 107    unsigned Padding       : 28;
 108 };
 109
 110 #define TGSI_SEMANTIC_POSITION 0
 111 #define TGSI_SEMANTIC_COLOR    1
 112 #define TGSI_SEMANTIC_BCOLOR   2 /**< back-face color */
 113 #define TGSI_SEMANTIC_FOG      3
 114 #define TGSI_SEMANTIC_PSIZE    4
 115 #define TGSI_SEMANTIC_GENERIC  5
 116 #define TGSI_SEMANTIC_NORMAL   6
 117 #define TGSI_SEMANTIC_COUNT    7 /**< number of semantic values */
 118
 119 struct tgsi_declaration_semantic
 120 {
 121    unsigned SemanticName   : 8;  /* one of TGSI_SEMANTIC_ */
 122    unsigned SemanticIndex  : 16; /* UINT */
 123    unsigned Padding        : 8;
 124 };
 125
 126 #define TGSI_IMM_FLOAT32   0
 127
 128 struct tgsi_immediate
 129 {
 130    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_IMMEDIATE */
 131    unsigned Size       : 8;  /* UINT */
 132    unsigned DataType   : 4;  /* TGSI_IMM_ */
 133    unsigned Padding    : 15;
 134    unsigned Extended   : 1;  /* BOOL */
 135 };
 136
 137 struct tgsi_immediate_float32
 138 {
 139    float Float;
 140 };
 141
 142 /*
 143  * GL_NV_vertex_program
 144  */
 145 #define TGSI_OPCODE_ARL                 0
 146 #define TGSI_OPCODE_MOV                 1
 147 #define TGSI_OPCODE_LIT                 2
 148 #define TGSI_OPCODE_RCP                 3
 149 #define TGSI_OPCODE_RSQ                 4
 150 #define TGSI_OPCODE_EXP                 5
 151 #define TGSI_OPCODE_LOG                 6
 152 #define TGSI_OPCODE_MUL                 7
 153 #define TGSI_OPCODE_ADD                 8
 154 #define TGSI_OPCODE_DP3                 9
 155 #define TGSI_OPCODE_DP4                 10
 156 #define TGSI_OPCODE_DST                 11
 157 #define TGSI_OPCODE_MIN                 12
 158 #define TGSI_OPCODE_MAX                 13
 159 #define TGSI_OPCODE_SLT                 14
 160 #define TGSI_OPCODE_SGE                 15
 161 #define TGSI_OPCODE_MAD                 16
 162
 163 /*
 164  * GL_ATI_fragment_shader
 165  */
 166 #define TGSI_OPCODE_SUB                 17
 167 #define TGSI_OPCODE_DOT3                TGSI_OPCODE_DP3
 168 #define TGSI_OPCODE_DOT4                TGSI_OPCODE_DP4
 169 #define TGSI_OPCODE_LERP                18
 170 #define TGSI_OPCODE_CND                 19
 171 #define TGSI_OPCODE_CND0                20
 172 #define TGSI_OPCODE_DOT2ADD             21
 173
 174 /*
 175  * GL_EXT_vertex_shader
 176  */
 177 #define TGSI_OPCODE_INDEX               22
 178 #define TGSI_OPCODE_NEGATE              23
 179 #define TGSI_OPCODE_MADD                TGSI_OPCODE_MAD
 180 #define TGSI_OPCODE_FRAC                24
 181 #define TGSI_OPCODE_SETGE               TGSI_OPCODE_SGE
 182 #define TGSI_OPCODE_SETLT               TGSI_OPCODE_SLT
 183 #define TGSI_OPCODE_CLAMP               25
 184 #define TGSI_OPCODE_FLOOR               26
 185 #define TGSI_OPCODE_ROUND               27
 186 #define TGSI_OPCODE_EXPBASE2            28
 187 #define TGSI_OPCODE_LOGBASE2            29
 188 #define TGSI_OPCODE_POWER               30
 189 #define TGSI_OPCODE_RECIP               TGSI_OPCODE_RCP
 190 #define TGSI_OPCODE_RECIPSQRT           TGSI_OPCODE_RSQ
 191 #define TGSI_OPCODE_CROSSPRODUCT        31
 192 #define TGSI_OPCODE_MULTIPLYMATRIX      32
 193
 194 /*
 195  * GL_NV_vertex_program1_1
 196  */
 197 #define TGSI_OPCODE_ABS                 33
 198 #define TGSI_OPCODE_RCC                 34
 199 #define TGSI_OPCODE_DPH                 35
 200
 201 /*
 202  * GL_NV_fragment_program
 203  */
 204 #define TGSI_OPCODE_COS                 36
 205 #define TGSI_OPCODE_DDX                 37
 206 #define TGSI_OPCODE_DDY                 38
 207 #define TGSI_OPCODE_EX2                 TGSI_OPCODE_EXPBASE2
 208 #define TGSI_OPCODE_FLR                 TGSI_OPCODE_FLOOR
 209 #define TGSI_OPCODE_FRC                 TGSI_OPCODE_FRAC
 210 #define TGSI_OPCODE_KILP                39  /* predicated kill */
 211 #define TGSI_OPCODE_LG2                 TGSI_OPCODE_LOGBASE2
 212 #define TGSI_OPCODE_LRP                 TGSI_OPCODE_LERP
 213 #define TGSI_OPCODE_PK2H                40
 214 #define TGSI_OPCODE_PK2US               41
 215 #define TGSI_OPCODE_PK4B                42
 216 #define TGSI_OPCODE_PK4UB               43
 217 #define TGSI_OPCODE_POW                 TGSI_OPCODE_POWER
 218 #define TGSI_OPCODE_RFL                 44
 219 #define TGSI_OPCODE_SEQ                 45
 220 #define TGSI_OPCODE_SFL                 46
 221 #define TGSI_OPCODE_SGT                 47
 222 #define TGSI_OPCODE_SIN                 48
 223 #define TGSI_OPCODE_SLE                 49
 224 #define TGSI_OPCODE_SNE                 50
 225 #define TGSI_OPCODE_STR                 51
 226 #define TGSI_OPCODE_TEX                 52
 227 #define TGSI_OPCODE_TXD                 53
 228 #define TGSI_OPCODE_UP2H                54
 229 #define TGSI_OPCODE_UP2US               55
 230 #define TGSI_OPCODE_UP4B                56
 231 #define TGSI_OPCODE_UP4UB               57
 232 #define TGSI_OPCODE_X2D                 58
 233
 234 /*
 235  * GL_NV_vertex_program2
 236  */
 237 #define TGSI_OPCODE_ARA                 59
 238 #define TGSI_OPCODE_ARR                 60
 239 #define TGSI_OPCODE_BRA                 61
 240 #define TGSI_OPCODE_CAL                 62
 241 #define TGSI_OPCODE_RET                 63
 242 #define TGSI_OPCODE_SSG                 64
 243
 244 /*
 245  * GL_ARB_vertex_program
 246  */
 247 #define TGSI_OPCODE_SWZ                 TGSI_OPCODE_MOV
 248 #define TGSI_OPCODE_XPD                 TGSI_OPCODE_CROSSPRODUCT
 249
 250 /*
 251  * GL_ARB_fragment_program
 252  */
 253 #define TGSI_OPCODE_CMP                 65
 254 #define TGSI_OPCODE_SCS                 66
 255 #define TGSI_OPCODE_TXB                 67
 256
 257 /*
 258  * GL_NV_fragment_program_option
 259  */
 260 /* No new opcode */
 261
 262 /*
 263  * GL_NV_fragment_program2
 264  */
 265 #define TGSI_OPCODE_NRM                 68
 266 #define TGSI_OPCODE_DIV                 69
 267 #define TGSI_OPCODE_DP2                 70
 268 #define TGSI_OPCODE_DP2A                TGSI_OPCODE_DOT2ADD
 269 #define TGSI_OPCODE_TXL                 71
 270 #define TGSI_OPCODE_BRK                 72
 271 #define TGSI_OPCODE_IF                  73
 272 #define TGSI_OPCODE_LOOP                74
 273 #define TGSI_OPCODE_REP                 75
 274 #define TGSI_OPCODE_ELSE                76
 275 #define TGSI_OPCODE_ENDIF               77
 276 #define TGSI_OPCODE_ENDLOOP             78
 277 #define TGSI_OPCODE_ENDREP              79
 278
 279 /*
 280  * GL_NV_vertex_program2_option
 281  */
 282
 283 /*
 284  * GL_NV_vertex_program3
 285  */
 286 #define TGSI_OPCODE_PUSHA               80
 287 #define TGSI_OPCODE_POPA                81
 288
 289 /*
 290  * GL_NV_gpu_program4
 291  */
 292 #define TGSI_OPCODE_CEIL                82
 293 #define TGSI_OPCODE_I2F                 83
 294 #define TGSI_OPCODE_NOT                 84
 295 #define TGSI_OPCODE_TRUNC               85
 296 #define TGSI_OPCODE_SHL                 86
 297 #define TGSI_OPCODE_SHR                 87
 298 #define TGSI_OPCODE_AND                 88
 299 #define TGSI_OPCODE_OR                  89
 300 #define TGSI_OPCODE_MOD                 90
 301 #define TGSI_OPCODE_XOR                 91
 302 #define TGSI_OPCODE_SAD                 92
 303 #define TGSI_OPCODE_TXF                 93
 304 #define TGSI_OPCODE_TXQ                 94
 305 #define TGSI_OPCODE_CONT                95
 306
 307 /*
 308  * GL_NV_vertex_program4
 309  */
 310 /* Same as GL_NV_gpu_program4 */
 311
 312 /*
 313  * GL_NV_fragment_program4
 314  */
 315 /* Same as GL_NV_gpu_program4 */
 316
 317 /*
 318  * GL_NV_geometry_program4
 319  */
 320 /* Same as GL_NV_gpu_program4 */
 321 #define TGSI_OPCODE_EMIT                96
 322 #define TGSI_OPCODE_ENDPRIM             97
 323
 324 /*
 325  * GLSL
 326  */
 327 #define TGSI_OPCODE_BGNLOOP2            98
 328 #define TGSI_OPCODE_BGNSUB              99
 329 #define TGSI_OPCODE_ENDLOOP2            100
 330 #define TGSI_OPCODE_ENDSUB              101
 331 #define TGSI_OPCODE_INT                 TGSI_OPCODE_TRUNC
 332 #define TGSI_OPCODE_NOISE1              102
 333 #define TGSI_OPCODE_NOISE2              103
 334 #define TGSI_OPCODE_NOISE3              104
 335 #define TGSI_OPCODE_NOISE4              105
 336 #define TGSI_OPCODE_NOP                 106
 337
 338 /*
 339  * ps_1_1
 340  */
 341 #define TGSI_OPCODE_TEXCOORD            TGSI_OPCODE_NOP
 342 #define TGSI_OPCODE_TEXKILL             TGSI_OPCODE_KIL
 343 #define TGSI_OPCODE_TEXBEM              107
 344 #define TGSI_OPCODE_TEXBEML             108
 345 #define TGSI_OPCODE_TEXREG2AR           109
 346 #define TGSI_OPCODE_TEXM3X2PAD          110
 347 #define TGSI_OPCODE_TEXM3X2TEX          111
 348 #define TGSI_OPCODE_TEXM3X3PAD          112
 349 #define TGSI_OPCODE_TEXM3X3TEX          113
 350 #define TGSI_OPCODE_TEXM3X3SPEC         114
 351 #define TGSI_OPCODE_TEXM3X3VSPEC        115
 352
 353 /*
 354  * ps_1_2
 355  */
 356 #define TGSI_OPCODE_TEXREG2GB           116
 357 #define TGSI_OPCODE_TEXREG2RGB          117
 358 #define TGSI_OPCODE_TEXDP3TEX           118
 359 #define TGSI_OPCODE_TEXDP3              119
 360 #define TGSI_OPCODE_TEXM3X3             120
 361 /* CMP - use TGSI_OPCODE_CND0 */
 362
 363 /*
 364  * ps_1_3
 365  */
 366 #define TGSI_OPCODE_TEXM3X2DEPTH        121
 367 /* CMP - use TGSI_OPCODE_CND0 */
 368
 369 /*
 370  * ps_1_4
 371  */
 372 #define TGSI_OPCODE_TEXCRD              TGSI_OPCODE_TEXCOORD
 373 #define TGSI_OPCODE_TEXLD               TGSI_OPCODE_TEX
 374 #define TGSI_OPCODE_TEXDEPTH            122
 375 #define TGSI_OPCODE_BEM                 123
 376
 377 /*
 378  * ps_2_0
 379  */
 380 #define TGSI_OPCODE_M4X4                TGSI_OPCODE_MULTIPLYMATRIX
 381 #define TGSI_OPCODE_M4X3                124
 382 #define TGSI_OPCODE_M3X4                125
 383 #define TGSI_OPCODE_M3X3                126
 384 #define TGSI_OPCODE_M3X2                127
 385 #define TGSI_OPCODE_CRS                 TGSI_OPCODE_XPD
 386 #define TGSI_OPCODE_NRM4                128
 387 #define TGSI_OPCODE_SINCOS              TGSI_OPCODE_SCS
 388 #define TGSI_OPCODE_TEXLDB              TGSI_OPCODE_TXB
 389 #define TGSI_OPCODE_DP2ADD              TGSI_OPCODE_DP2A
 390
 391 /*
 392  * ps_2_x
 393  */
 394 #define TGSI_OPCODE_CALL                TGSI_OPCODE_CAL
 395 #define TGSI_OPCODE_CALLNZ              129
 396 #define TGSI_OPCODE_IFC                 130
 397 #define TGSI_OPCODE_BREAK               TGSI_OPCODE_BRK
 398 #define TGSI_OPCODE_BREAKC              131
 399 #define TGSI_OPCODE_DSX                 TGSI_OPCODE_DDX
 400 #define TGSI_OPCODE_DSY                 TGSI_OPCODE_DDY
 401 #define TGSI_OPCODE_TEXLDD              TGSI_OPCODE_TXD
 402
 403 /*
 404  * vs_1_1
 405  */
 406 #define TGSI_OPCODE_EXPP                TGSI_OPCODE_EXP
 407 #define TGSI_OPCODE_LOGP                TGSI_OPCODE_LG2
 408
 409 /*
 410  * vs_2_0
 411  */
 412 #define TGSI_OPCODE_SGN                 TGSI_OPCODE_SSG
 413 #define TGSI_OPCODE_MOVA                TGSI_OPCODE_ARR
 414
 415 /*
 416  * vs_2_x
 417  */
 418
 419 #define TGSI_OPCODE_KIL                 132  /* unpredicated kill */
 420 #define TGSI_OPCODE_END                 133  /* aka HALT */
 421
 422 #define TGSI_OPCODE_LAST                134
 423
 424 #define TGSI_SAT_NONE            0  /* do not saturate */
 425 #define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
 426 #define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
 427
 428 /*
 429  * Opcode is the operation code to execute. A given operation defines the
 430  * semantics how the source registers (if any) are interpreted and what is
 431  * written to the destination registers (if any) as a result of execution.
 432  *
 433  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 434  * respectively. For a given operation code, those numbers are fixed and are
 435  * present here only for convenience.
 436  *
 437  * If Extended is TRUE, it is now executed.
 438  *
 439  * Saturate controls how are final results in destination registers modified.
 440  */
 441
 442 struct tgsi_instruction
 443 {
 444    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 445    unsigned Size       : 8;  /* UINT */
 446    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 447    unsigned Saturate   : 2;  /* TGSI_SAT_ */
 448    unsigned NumDstRegs : 2;  /* UINT */
 449    unsigned NumSrcRegs : 4;  /* UINT */
 450    unsigned Padding    : 3;
 451    unsigned Extended   : 1;  /* BOOL */
 452 };
 453
 454 /*
 455  * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
 456  *
 457  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 458  *
 459  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 460  *
 461  * tgsi_instruction::Size contains the total number of words that make the
 462  * instruction, including the instruction word.
 463  */
 464
 465 #define TGSI_INSTRUCTION_EXT_TYPE_NV        0
 466 #define TGSI_INSTRUCTION_EXT_TYPE_LABEL     1
 467 #define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE   2
 468 #define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
 469
 470 struct tgsi_instruction_ext
 471 {
 472    unsigned Type       : 4;  /* TGSI_INSTRUCTION_EXT_TYPE_ */
 473    unsigned Padding    : 27;
 474    unsigned Extended   : 1;  /* BOOL */
 475 };
 476
 477 /*
 478  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
 479  * be cast to tgsi_instruction_ext_nv.
 480  *
 481  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
 482  * should be cast to tgsi_instruction_ext_label.
 483  *
 484  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
 485  * should be cast to tgsi_instruction_ext_texture.
 486  *
 487  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
 488  * should be cast to tgsi_instruction_ext_predicate.
 489  *
 490  * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
 491  * follows.
 492  */
 493
 494 #define TGSI_PRECISION_DEFAULT      0
 495 #define TGSI_PRECISION_FLOAT32      1
 496 #define TGSI_PRECISION_FLOAT16      2
 497 #define TGSI_PRECISION_FIXED12      3
 498
 499 #define TGSI_CC_GT      0
 500 #define TGSI_CC_EQ      1
 501 #define TGSI_CC_LT      2
 502 #define TGSI_CC_UN      3
 503 #define TGSI_CC_GE      4
 504 #define TGSI_CC_LE      5
 505 #define TGSI_CC_NE      6
 506 #define TGSI_CC_TR      7
 507 #define TGSI_CC_FL      8
 508
 509 #define TGSI_SWIZZLE_X      0
 510 #define TGSI_SWIZZLE_Y      1
 511 #define TGSI_SWIZZLE_Z      2
 512 #define TGSI_SWIZZLE_W      3
 513
 514 /*
 515  * Precision controls the precision at which the operation should be executed.
 516  *
 517  * CondDstUpdate enables condition code register writes. When this field is
 518  * TRUE, CondDstIndex specifies the index of the condition code register to
 519  * update.
 520  *
 521  * CondFlowEnable enables conditional execution of the operation. When this
 522  * field is TRUE, CondFlowIndex specifies the index of the condition code
 523  * register to test against CondMask with component swizzle controled by
 524  * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
 525  * the operation is not executed.
 526  */
 527
 528 struct tgsi_instruction_ext_nv
 529 {
 530    unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_NV */
 531    unsigned Precision        : 4;    /* TGSI_PRECISION_ */
 532    unsigned CondDstIndex     : 4;    /* UINT */
 533    unsigned CondFlowIndex    : 4;    /* UINT */
 534    unsigned CondMask         : 4;    /* TGSI_CC_ */
 535    unsigned CondSwizzleX     : 2;    /* TGSI_SWIZZLE_ */
 536    unsigned CondSwizzleY     : 2;    /* TGSI_SWIZZLE_ */
 537    unsigned CondSwizzleZ     : 2;    /* TGSI_SWIZZLE_ */
 538    unsigned CondSwizzleW     : 2;    /* TGSI_SWIZZLE_ */
 539    unsigned CondDstUpdate    : 1;    /* BOOL */
 540    unsigned CondFlowEnable   : 1;    /* BOOL */
 541    unsigned Padding          : 1;
 542    unsigned Extended         : 1;    /* BOOL */
 543 };
 544
 545 struct tgsi_instruction_ext_label
 546 {
 547    unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
 548    unsigned Label    : 24;   /* UINT */
 549    unsigned Padding  : 3;
 550    unsigned Extended : 1;    /* BOOL */
 551 };
 552
 553 #define TGSI_TEXTURE_UNKNOWN        0
 554 #define TGSI_TEXTURE_1D             1
 555 #define TGSI_TEXTURE_2D             2
 556 #define TGSI_TEXTURE_3D             3
 557 #define TGSI_TEXTURE_CUBE           4
 558 #define TGSI_TEXTURE_RECT           5
 559 #define TGSI_TEXTURE_SHADOW1D       6
 560 #define TGSI_TEXTURE_SHADOW2D       7
 561 #define TGSI_TEXTURE_SHADOWRECT     8
 562
 563 struct tgsi_instruction_ext_texture
 564 {
 565    unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
 566    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 567    unsigned Padding  : 19;
 568    unsigned Extended : 1;    /* BOOL */
 569 };
 570
 571 struct tgsi_instruction_ext_predicate
 572 {
 573    unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
 574    unsigned PredDstIndex     : 4;    /* UINT */
 575    unsigned PredWriteMask    : 4;    /* TGSI_WRITEMASK_ */
 576    unsigned Padding          : 19;
 577    unsigned Extended         : 1;    /* BOOL */
 578 };
 579
 580 /*
 581  * File specifies the register array to access.
 582  *
 583  * Index specifies the element number of a register in the register file.
 584  *
 585  * If Indirect is TRUE, Index should be offset by the X component of a source
 586  * register that follows. The register can be now fetched into local storage
 587  * for further processing.
 588  *
 589  * If Negate is TRUE, all components of the fetched register are negated.
 590  *
 591  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 592  * SwizzleZ and SwizzleW.
 593  *
 594  * If Extended is TRUE, any further modifications to the source register are
 595  * made to this temporary storage.
 596  */
 597
 598 struct tgsi_src_register
 599 {
 600    unsigned File        : 4;  /* TGSI_FILE_ */
 601    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 602    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 603    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 604    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 605    unsigned Negate      : 1;  /* BOOL */
 606    unsigned Indirect    : 1;  /* BOOL */
 607    unsigned Dimension   : 1;  /* BOOL */
 608    int      Index       : 16; /* SINT */
 609    unsigned Extended    : 1;  /* BOOL */
 610 };
 611
 612 /*
 613  * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
 614  *
 615  * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
 616  * follows.
 617  *
 618  * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 619  */
 620
 621 #define TGSI_SRC_REGISTER_EXT_TYPE_SWZ      0
 622 #define TGSI_SRC_REGISTER_EXT_TYPE_MOD      1
 623
 624 struct tgsi_src_register_ext
 625 {
 626    unsigned Type     : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_ */
 627    unsigned Padding  : 27;
 628    unsigned Extended : 1;    /* BOOL */
 629 };
 630
 631 /*
 632  * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
 633  * it should be cast to tgsi_src_register_ext_swz.
 634  *
 635  * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
 636  * it should be cast to tgsi_src_register_ext_mod.
 637  *
 638  * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
 639  * follows.
 640  */
 641
 642 #define TGSI_EXTSWIZZLE_X       TGSI_SWIZZLE_X
 643 #define TGSI_EXTSWIZZLE_Y       TGSI_SWIZZLE_Y
 644 #define TGSI_EXTSWIZZLE_Z       TGSI_SWIZZLE_Z
 645 #define TGSI_EXTSWIZZLE_W       TGSI_SWIZZLE_W
 646 #define TGSI_EXTSWIZZLE_ZERO    4
 647 #define TGSI_EXTSWIZZLE_ONE     5
 648
 649 /*
 650  * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
 651  * register in an extended manner.
 652  *
 653  * NegateX, NegateY, NegateZ and NegateW negate individual components of the
 654  * source register.
 655  *
 656  * ExtDivide specifies which component is used to divide all components of the
 657  * source register.
 658  */
 659
 660 struct tgsi_src_register_ext_swz
 661 {
 662    unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
 663    unsigned ExtSwizzleX  : 4;    /* TGSI_EXTSWIZZLE_ */
 664    unsigned ExtSwizzleY  : 4;    /* TGSI_EXTSWIZZLE_ */
 665    unsigned ExtSwizzleZ  : 4;    /* TGSI_EXTSWIZZLE_ */
 666    unsigned ExtSwizzleW  : 4;    /* TGSI_EXTSWIZZLE_ */
 667    unsigned NegateX      : 1;    /* BOOL */
 668    unsigned NegateY      : 1;    /* BOOL */
 669    unsigned NegateZ      : 1;    /* BOOL */
 670    unsigned NegateW      : 1;    /* BOOL */
 671    unsigned ExtDivide    : 4;    /* TGSI_EXTSWIZZLE_ */
 672    unsigned Padding      : 3;
 673    unsigned Extended     : 1;    /* BOOL */
 674 };
 675
 676 /**
 677  * Extra src register modifiers
 678  *
 679  * If Complement is TRUE, the source register is modified by subtracting it
 680  * from 1.0.
 681  *
 682  * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
 683  *
 684  * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
 685  *
 686  * If Absolute is TRUE, the source register is modified by removing the sign.
 687  *
 688  * If Negate is TRUE, the source register is modified by negating it.
 689  */
 690
 691 struct tgsi_src_register_ext_mod
 692 {
 693    unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
 694    unsigned Complement   : 1;    /* BOOL */
 695    unsigned Bias         : 1;    /* BOOL */
 696    unsigned Scale2X      : 1;    /* BOOL */
 697    unsigned Absolute     : 1;    /* BOOL */
 698    unsigned Negate       : 1;    /* BOOL */
 699    unsigned Padding      : 22;
 700    unsigned Extended     : 1;    /* BOOL */
 701 };
 702
 703 struct tgsi_dimension
 704 {
 705    unsigned Indirect    : 1;  /* BOOL */
 706    unsigned Dimension   : 1;  /* BOOL */
 707    unsigned Padding     : 13;
 708    int      Index       : 16; /* SINT */
 709    unsigned Extended    : 1;  /* BOOL */
 710 };
 711
 712 struct tgsi_dst_register
 713 {
 714    unsigned File        : 4;  /* TGSI_FILE_ */
 715    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 716    unsigned Indirect    : 1;  /* BOOL */
 717    unsigned Dimension   : 1;  /* BOOL */
 718    int      Index       : 16; /* SINT */
 719    unsigned Padding     : 5;
 720    unsigned Extended    : 1;  /* BOOL */
 721 };
 722
 723 /*
 724  * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
 725  *
 726  * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
 727  */
 728
 729 #define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE     0
 730 #define TGSI_DST_REGISTER_EXT_TYPE_MODULATE     1
 731 #define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE    2
 732
 733 struct tgsi_dst_register_ext
 734 {
 735    unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_ */
 736    unsigned Padding  : 27;
 737    unsigned Extended : 1;    /* BOOL */
 738 };
 739
 740 /**
 741  * Extra destination register modifiers
 742  *
 743  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
 744  * it should be cast to tgsi_dst_register_ext_condcode.
 745  *
 746  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
 747  * it should be cast to tgsi_dst_register_ext_modulate.
 748  *
 749  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
 750  * it should be cast to tgsi_dst_register_ext_predicate.
 751  *
 752  * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
 753  * follows.
 754  */
 755 struct tgsi_dst_register_ext_concode
 756 {
 757    unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
 758    unsigned CondMask     : 4;    /* TGSI_CC_ */
 759    unsigned CondSwizzleX : 2;    /* TGSI_SWIZZLE_ */
 760    unsigned CondSwizzleY : 2;    /* TGSI_SWIZZLE_ */
 761    unsigned CondSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
 762    unsigned CondSwizzleW : 2;    /* TGSI_SWIZZLE_ */
 763    unsigned CondSrcIndex : 4;    /* UINT */
 764    unsigned Padding      : 11;
 765    unsigned Extended     : 1;    /* BOOL */
 766 };
 767
 768 #define TGSI_MODULATE_1X        0
 769 #define TGSI_MODULATE_2X        1
 770 #define TGSI_MODULATE_4X        2
 771 #define TGSI_MODULATE_8X        3
 772 #define TGSI_MODULATE_HALF      4
 773 #define TGSI_MODULATE_QUARTER   5
 774 #define TGSI_MODULATE_EIGHTH    6
 775
 776 struct tgsi_dst_register_ext_modulate
 777 {
 778    unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
 779    unsigned Modulate : 4;    /* TGSI_MODULATE_ */
 780    unsigned Padding  : 23;
 781    unsigned Extended : 1;    /* BOOL */
 782 };
 783
 784 /*
 785  * Currently, the following constraints apply.
 786  *
 787  * - PredSwizzleXYZW is either set to identity or replicate.
 788  * - PredSrcIndex is 0.
 789  */
 790
 791 struct tgsi_dst_register_ext_predicate
 792 {
 793    unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
 794    unsigned PredSwizzleX : 2;    /* TGSI_SWIZZLE_ */
 795    unsigned PredSwizzleY : 2;    /* TGSI_SWIZZLE_ */
 796    unsigned PredSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
 797    unsigned PredSwizzleW : 2;    /* TGSI_SWIZZLE_ */
 798    unsigned PredSrcIndex : 4;    /* UINT */
 799    unsigned Negate       : 1;    /* BOOL */
 800    unsigned Padding      : 14;
 801    unsigned Extended     : 1;    /* BOOL */
 802 };
 803
 804
 805 #ifdef __cplusplus
 806 }
 807 #endif
 808
 809 #endif /* TGSI_TOKEN_H */
 810