src/gallium/include/pipe/p_shader_tokens.h

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