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 enum tgsi_file_type {
  46    TGSI_FILE_NULL        =0,
  47    TGSI_FILE_CONSTANT    =1,
  48    TGSI_FILE_INPUT       =2,
  49    TGSI_FILE_OUTPUT      =3,
  50    TGSI_FILE_TEMPORARY   =4,
  51    TGSI_FILE_SAMPLER     =5,
  52    TGSI_FILE_ADDRESS     =6,
  53    TGSI_FILE_IMMEDIATE   =7,
  54    TGSI_FILE_COUNT      /**< how many TGSI_FILE_ types */
  55 };
  56
  57
  58 #define TGSI_DECLARE_RANGE    0
  59 #define TGSI_DECLARE_MASK     1
  60
  61 #define TGSI_WRITEMASK_NONE     0x00
  62 #define TGSI_WRITEMASK_X        0x01
  63 #define TGSI_WRITEMASK_Y        0x02
  64 #define TGSI_WRITEMASK_XY       0x03
  65 #define TGSI_WRITEMASK_Z        0x04
  66 #define TGSI_WRITEMASK_XZ       0x05
  67 #define TGSI_WRITEMASK_YZ       0x06
  68 #define TGSI_WRITEMASK_XYZ      0x07
  69 #define TGSI_WRITEMASK_W        0x08
  70 #define TGSI_WRITEMASK_XW       0x09
  71 #define TGSI_WRITEMASK_YW       0x0A
  72 #define TGSI_WRITEMASK_XYW      0x0B
  73 #define TGSI_WRITEMASK_ZW       0x0C
  74 #define TGSI_WRITEMASK_XZW      0x0D
  75 #define TGSI_WRITEMASK_YZW      0x0E
  76 #define TGSI_WRITEMASK_XYZW     0x0F
  77
  78 struct tgsi_declaration
  79 {
  80    unsigned Type        : 4;  /* TGSI_TOKEN_TYPE_DECLARATION */
  81    unsigned Size        : 8;  /* UINT */
  82    unsigned File        : 4;  /* one of TGSI_FILE_x */
  83    unsigned Declare     : 4;  /* one of TGSI_DECLARE_x */
  84    unsigned UsageMask   : 4;  /* bitmask of TGSI_WRITEMASK_x flags */
  85    unsigned Interpolate : 1;  /* BOOL, any interpolation info? */
  86    unsigned Semantic    : 1;  /* BOOL, any semantic info? */
  87    unsigned Padding     : 5;
  88    unsigned Extended    : 1;  /* BOOL */
  89 };
  90
  91 struct tgsi_declaration_range
  92 {
  93    unsigned First   : 16; /* UINT */
  94    unsigned Last    : 16; /* UINT */
  95 };
  96
  97 struct tgsi_declaration_mask
  98 {
  99    unsigned Mask : 32; /* UINT */
 100 };
 101
 102 #define TGSI_INTERPOLATE_CONSTANT      0
 103 #define TGSI_INTERPOLATE_LINEAR        1
 104 #define TGSI_INTERPOLATE_PERSPECTIVE   2
 105
 106 struct tgsi_declaration_interpolation
 107 {
 108    unsigned Interpolate   : 4;  /* TGSI_INTERPOLATE_ */
 109    unsigned Padding       : 28;
 110 };
 111
 112 #define TGSI_SEMANTIC_POSITION 0
 113 #define TGSI_SEMANTIC_COLOR    1
 114 #define TGSI_SEMANTIC_BCOLOR   2 /**< back-face color */
 115 #define TGSI_SEMANTIC_FOG      3
 116 #define TGSI_SEMANTIC_PSIZE    4
 117 #define TGSI_SEMANTIC_GENERIC  5
 118 #define TGSI_SEMANTIC_NORMAL   6
 119 #define TGSI_SEMANTIC_COUNT    7 /**< number of semantic values */
 120
 121 struct tgsi_declaration_semantic
 122 {
 123    unsigned SemanticName   : 8;  /* one of TGSI_SEMANTIC_ */
 124    unsigned SemanticIndex  : 16; /* UINT */
 125    unsigned Padding        : 8;
 126 };
 127
 128 #define TGSI_IMM_FLOAT32   0
 129
 130 struct tgsi_immediate
 131 {
 132    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_IMMEDIATE */
 133    unsigned Size       : 8;  /* UINT */
 134    unsigned DataType   : 4;  /* TGSI_IMM_ */
 135    unsigned Padding    : 15;
 136    unsigned Extended   : 1;  /* BOOL */
 137 };
 138
 139 struct tgsi_immediate_float32
 140 {
 141    float Float;
 142 };
 143
 144 /*
 145  * GL_NV_vertex_program
 146  */
 147 #define TGSI_OPCODE_ARL                 0
 148 #define TGSI_OPCODE_MOV                 1
 149 #define TGSI_OPCODE_LIT                 2
 150 #define TGSI_OPCODE_RCP                 3
 151 #define TGSI_OPCODE_RSQ                 4
 152 #define TGSI_OPCODE_EXP                 5
 153 #define TGSI_OPCODE_LOG                 6
 154 #define TGSI_OPCODE_MUL                 7
 155 #define TGSI_OPCODE_ADD                 8
 156 #define TGSI_OPCODE_DP3                 9
 157 #define TGSI_OPCODE_DP4                 10
 158 #define TGSI_OPCODE_DST                 11
 159 #define TGSI_OPCODE_MIN                 12
 160 #define TGSI_OPCODE_MAX                 13
 161 #define TGSI_OPCODE_SLT                 14
 162 #define TGSI_OPCODE_SGE                 15
 163 #define TGSI_OPCODE_MAD                 16
 164
 165 /*
 166  * GL_ATI_fragment_shader
 167  */
 168 #define TGSI_OPCODE_SUB                 17
 169 #define TGSI_OPCODE_DOT3                TGSI_OPCODE_DP3
 170 #define TGSI_OPCODE_DOT4                TGSI_OPCODE_DP4
 171 #define TGSI_OPCODE_LERP                18
 172 #define TGSI_OPCODE_CND                 19
 173 #define TGSI_OPCODE_CND0                20
 174 #define TGSI_OPCODE_DOT2ADD             21
 175
 176 /*
 177  * GL_EXT_vertex_shader
 178  */
 179 #define TGSI_OPCODE_INDEX               22
 180 #define TGSI_OPCODE_NEGATE              23
 181 #define TGSI_OPCODE_MADD                TGSI_OPCODE_MAD
 182 #define TGSI_OPCODE_FRAC                24
 183 #define TGSI_OPCODE_SETGE               TGSI_OPCODE_SGE
 184 #define TGSI_OPCODE_SETLT               TGSI_OPCODE_SLT
 185 #define TGSI_OPCODE_CLAMP               25
 186 #define TGSI_OPCODE_FLOOR               26
 187 #define TGSI_OPCODE_ROUND               27
 188 #define TGSI_OPCODE_EXPBASE2            28
 189 #define TGSI_OPCODE_LOGBASE2            29
 190 #define TGSI_OPCODE_POWER               30
 191 #define TGSI_OPCODE_RECIP               TGSI_OPCODE_RCP
 192 #define TGSI_OPCODE_RECIPSQRT           TGSI_OPCODE_RSQ
 193 #define TGSI_OPCODE_CROSSPRODUCT        31
 194 #define TGSI_OPCODE_MULTIPLYMATRIX      32
 195
 196 /*
 197  * GL_NV_vertex_program1_1
 198  */
 199 #define TGSI_OPCODE_ABS                 33
 200 #define TGSI_OPCODE_RCC                 34
 201 #define TGSI_OPCODE_DPH                 35
 202
 203 /*
 204  * GL_NV_fragment_program
 205  */
 206 #define TGSI_OPCODE_COS                 36
 207 #define TGSI_OPCODE_DDX                 37
 208 #define TGSI_OPCODE_DDY                 38
 209 #define TGSI_OPCODE_EX2                 TGSI_OPCODE_EXPBASE2
 210 #define TGSI_OPCODE_FLR                 TGSI_OPCODE_FLOOR
 211 #define TGSI_OPCODE_FRC                 TGSI_OPCODE_FRAC
 212 #define TGSI_OPCODE_KILP                39  /* predicated kill */
 213 #define TGSI_OPCODE_LG2                 TGSI_OPCODE_LOGBASE2
 214 #define TGSI_OPCODE_LRP                 TGSI_OPCODE_LERP
 215 #define TGSI_OPCODE_PK2H                40
 216 #define TGSI_OPCODE_PK2US               41
 217 #define TGSI_OPCODE_PK4B                42
 218 #define TGSI_OPCODE_PK4UB               43
 219 #define TGSI_OPCODE_POW                 TGSI_OPCODE_POWER
 220 #define TGSI_OPCODE_RFL                 44
 221 #define TGSI_OPCODE_SEQ                 45
 222 #define TGSI_OPCODE_SFL                 46
 223 #define TGSI_OPCODE_SGT                 47
 224 #define TGSI_OPCODE_SIN                 48
 225 #define TGSI_OPCODE_SLE                 49
 226 #define TGSI_OPCODE_SNE                 50
 227 #define TGSI_OPCODE_STR                 51
 228 #define TGSI_OPCODE_TEX                 52
 229 #define TGSI_OPCODE_TXD                 53
 230 #define TGSI_OPCODE_UP2H                54
 231 #define TGSI_OPCODE_UP2US               55
 232 #define TGSI_OPCODE_UP4B                56
 233 #define TGSI_OPCODE_UP4UB               57
 234 #define TGSI_OPCODE_X2D                 58
 235
 236 /*
 237  * GL_NV_vertex_program2
 238  */
 239 #define TGSI_OPCODE_ARA                 59
 240 #define TGSI_OPCODE_ARR                 60
 241 #define TGSI_OPCODE_BRA                 61
 242 #define TGSI_OPCODE_CAL                 62
 243 #define TGSI_OPCODE_RET                 63
 244 #define TGSI_OPCODE_SSG                 64
 245
 246 /*
 247  * GL_ARB_vertex_program
 248  */
 249 #define TGSI_OPCODE_SWZ                 TGSI_OPCODE_MOV
 250 #define TGSI_OPCODE_XPD                 TGSI_OPCODE_CROSSPRODUCT
 251
 252 /*
 253  * GL_ARB_fragment_program
 254  */
 255 #define TGSI_OPCODE_CMP                 65
 256 #define TGSI_OPCODE_SCS                 66
 257 #define TGSI_OPCODE_TXB                 67
 258
 259 /*
 260  * GL_NV_fragment_program_option
 261  */
 262 /* No new opcode */
 263
 264 /*
 265  * GL_NV_fragment_program2
 266  */
 267 #define TGSI_OPCODE_NRM                 68
 268 #define TGSI_OPCODE_DIV                 69
 269 #define TGSI_OPCODE_DP2                 70
 270 #define TGSI_OPCODE_DP2A                TGSI_OPCODE_DOT2ADD
 271 #define TGSI_OPCODE_TXL                 71
 272 #define TGSI_OPCODE_BRK                 72
 273 #define TGSI_OPCODE_IF                  73
 274 #define TGSI_OPCODE_LOOP                74
 275 #define TGSI_OPCODE_REP                 75
 276 #define TGSI_OPCODE_ELSE                76
 277 #define TGSI_OPCODE_ENDIF               77
 278 #define TGSI_OPCODE_ENDLOOP             78
 279 #define TGSI_OPCODE_ENDREP              79
 280
 281 /*
 282  * GL_NV_vertex_program2_option
 283  */
 284
 285 /*
 286  * GL_NV_vertex_program3
 287  */
 288 #define TGSI_OPCODE_PUSHA               80
 289 #define TGSI_OPCODE_POPA                81
 290
 291 /*
 292  * GL_NV_gpu_program4
 293  */
 294 #define TGSI_OPCODE_CEIL                82
 295 #define TGSI_OPCODE_I2F                 83
 296 #define TGSI_OPCODE_NOT                 84
 297 #define TGSI_OPCODE_TRUNC               85
 298 #define TGSI_OPCODE_SHL                 86
 299 #define TGSI_OPCODE_SHR                 87
 300 #define TGSI_OPCODE_AND                 88
 301 #define TGSI_OPCODE_OR                  89
 302 #define TGSI_OPCODE_MOD                 90
 303 #define TGSI_OPCODE_XOR                 91
 304 #define TGSI_OPCODE_SAD                 92
 305 #define TGSI_OPCODE_TXF                 93
 306 #define TGSI_OPCODE_TXQ                 94
 307 #define TGSI_OPCODE_CONT                95
 308
 309 /*
 310  * GL_NV_vertex_program4
 311  */
 312 /* Same as GL_NV_gpu_program4 */
 313
 314 /*
 315  * GL_NV_fragment_program4
 316  */
 317 /* Same as GL_NV_gpu_program4 */
 318
 319 /*
 320  * GL_NV_geometry_program4
 321  */
 322 /* Same as GL_NV_gpu_program4 */
 323 #define TGSI_OPCODE_EMIT                96
 324 #define TGSI_OPCODE_ENDPRIM             97
 325
 326 /*
 327  * GLSL
 328  */
 329 #define TGSI_OPCODE_BGNLOOP2            98
 330 #define TGSI_OPCODE_BGNSUB              99
 331 #define TGSI_OPCODE_ENDLOOP2            100
 332 #define TGSI_OPCODE_ENDSUB              101
 333 #define TGSI_OPCODE_INT                 TGSI_OPCODE_TRUNC
 334 #define TGSI_OPCODE_NOISE1              102
 335 #define TGSI_OPCODE_NOISE2              103
 336 #define TGSI_OPCODE_NOISE3              104
 337 #define TGSI_OPCODE_NOISE4              105
 338 #define TGSI_OPCODE_NOP                 106
 339
 340 /*
 341  * ps_1_1
 342  */
 343 #define TGSI_OPCODE_TEXCOORD            TGSI_OPCODE_NOP
 344 #define TGSI_OPCODE_TEXKILL             TGSI_OPCODE_KIL
 345 #define TGSI_OPCODE_TEXBEM              107
 346 #define TGSI_OPCODE_TEXBEML             108
 347 #define TGSI_OPCODE_TEXREG2AR           109
 348 #define TGSI_OPCODE_TEXM3X2PAD          110
 349 #define TGSI_OPCODE_TEXM3X2TEX          111
 350 #define TGSI_OPCODE_TEXM3X3PAD          112
 351 #define TGSI_OPCODE_TEXM3X3TEX          113
 352 #define TGSI_OPCODE_TEXM3X3SPEC         114
 353 #define TGSI_OPCODE_TEXM3X3VSPEC        115
 354
 355 /*
 356  * ps_1_2
 357  */
 358 #define TGSI_OPCODE_TEXREG2GB           116
 359 #define TGSI_OPCODE_TEXREG2RGB          117
 360 #define TGSI_OPCODE_TEXDP3TEX           118
 361 #define TGSI_OPCODE_TEXDP3              119
 362 #define TGSI_OPCODE_TEXM3X3             120
 363 /* CMP - use TGSI_OPCODE_CND0 */
 364
 365 /*
 366  * ps_1_3
 367  */
 368 #define TGSI_OPCODE_TEXM3X2DEPTH        121
 369 /* CMP - use TGSI_OPCODE_CND0 */
 370
 371 /*
 372  * ps_1_4
 373  */
 374 #define TGSI_OPCODE_TEXCRD              TGSI_OPCODE_TEXCOORD
 375 #define TGSI_OPCODE_TEXLD               TGSI_OPCODE_TEX
 376 #define TGSI_OPCODE_TEXDEPTH            122
 377 #define TGSI_OPCODE_BEM                 123
 378
 379 /*
 380  * ps_2_0
 381  */
 382 #define TGSI_OPCODE_M4X4                TGSI_OPCODE_MULTIPLYMATRIX
 383 #define TGSI_OPCODE_M4X3                124
 384 #define TGSI_OPCODE_M3X4                125
 385 #define TGSI_OPCODE_M3X3                126
 386 #define TGSI_OPCODE_M3X2                127
 387 #define TGSI_OPCODE_CRS                 TGSI_OPCODE_XPD
 388 #define TGSI_OPCODE_NRM4                128
 389 #define TGSI_OPCODE_SINCOS              TGSI_OPCODE_SCS
 390 #define TGSI_OPCODE_TEXLDB              TGSI_OPCODE_TXB
 391 #define TGSI_OPCODE_DP2ADD              TGSI_OPCODE_DP2A
 392
 393 /*
 394  * ps_2_x
 395  */
 396 #define TGSI_OPCODE_CALL                TGSI_OPCODE_CAL
 397 #define TGSI_OPCODE_CALLNZ              129
 398 #define TGSI_OPCODE_IFC                 130
 399 #define TGSI_OPCODE_BREAK               TGSI_OPCODE_BRK
 400 #define TGSI_OPCODE_BREAKC              131
 401 #define TGSI_OPCODE_DSX                 TGSI_OPCODE_DDX
 402 #define TGSI_OPCODE_DSY                 TGSI_OPCODE_DDY
 403 #define TGSI_OPCODE_TEXLDD              TGSI_OPCODE_TXD
 404
 405 /*
 406  * vs_1_1
 407  */
 408 #define TGSI_OPCODE_EXPP                TGSI_OPCODE_EXP
 409 #define TGSI_OPCODE_LOGP                TGSI_OPCODE_LG2
 410
 411 /*
 412  * vs_2_0
 413  */
 414 #define TGSI_OPCODE_SGN                 TGSI_OPCODE_SSG
 415 #define TGSI_OPCODE_MOVA                TGSI_OPCODE_ARR
 416
 417 /*
 418  * vs_2_x
 419  */
 420
 421 #define TGSI_OPCODE_KIL                 132  /* unpredicated kill */
 422 #define TGSI_OPCODE_END                 133  /* aka HALT */
 423
 424 #define TGSI_OPCODE_LAST                134
 425
 426 #define TGSI_SAT_NONE            0  /* do not saturate */
 427 #define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
 428 #define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
 429
 430 /*
 431  * Opcode is the operation code to execute. A given operation defines the
 432  * semantics how the source registers (if any) are interpreted and what is
 433  * written to the destination registers (if any) as a result of execution.
 434  *
 435  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 436  * respectively. For a given operation code, those numbers are fixed and are
 437  * present here only for convenience.
 438  *
 439  * If Extended is TRUE, it is now executed.
 440  *
 441  * Saturate controls how are final results in destination registers modified.
 442  */
 443
 444 struct tgsi_instruction
 445 {
 446    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 447    unsigned Size       : 8;  /* UINT */
 448    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 449    unsigned Saturate   : 2;  /* TGSI_SAT_ */
 450    unsigned NumDstRegs : 2;  /* UINT */
 451    unsigned NumSrcRegs : 4;  /* UINT */
 452    unsigned Padding    : 3;
 453    unsigned Extended   : 1;  /* BOOL */
 454 };
 455
 456 /*
 457  * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
 458  *
 459  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 460  *
 461  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 462  *
 463  * tgsi_instruction::Size contains the total number of words that make the
 464  * instruction, including the instruction word.
 465  */
 466
 467 #define TGSI_INSTRUCTION_EXT_TYPE_NV        0
 468 #define TGSI_INSTRUCTION_EXT_TYPE_LABEL     1
 469 #define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE   2
 470 #define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
 471
 472 struct tgsi_instruction_ext
 473 {
 474    unsigned Type       : 4;  /* TGSI_INSTRUCTION_EXT_TYPE_ */
 475    unsigned Padding    : 27;
 476    unsigned Extended   : 1;  /* BOOL */
 477 };
 478
 479 /*
 480  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
 481  * be cast to tgsi_instruction_ext_nv.
 482  *
 483  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
 484  * should be cast to tgsi_instruction_ext_label.
 485  *
 486  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
 487  * should be cast to tgsi_instruction_ext_texture.
 488  *
 489  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
 490  * should be cast to tgsi_instruction_ext_predicate.
 491  *
 492  * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
 493  * follows.
 494  */
 495
 496 #define TGSI_PRECISION_DEFAULT      0
 497 #define TGSI_PRECISION_FLOAT32      1
 498 #define TGSI_PRECISION_FLOAT16      2
 499 #define TGSI_PRECISION_FIXED12      3
 500
 501 #define TGSI_CC_GT      0
 502 #define TGSI_CC_EQ      1
 503 #define TGSI_CC_LT      2
 504 #define TGSI_CC_UN      3
 505 #define TGSI_CC_GE      4
 506 #define TGSI_CC_LE      5
 507 #define TGSI_CC_NE      6
 508 #define TGSI_CC_TR      7
 509 #define TGSI_CC_FL      8
 510
 511 #define TGSI_SWIZZLE_X      0
 512 #define TGSI_SWIZZLE_Y      1
 513 #define TGSI_SWIZZLE_Z      2
 514 #define TGSI_SWIZZLE_W      3
 515
 516 /*
 517  * Precision controls the precision at which the operation should be executed.
 518  *
 519  * CondDstUpdate enables condition code register writes. When this field is
 520  * TRUE, CondDstIndex specifies the index of the condition code register to
 521  * update.
 522  *
 523  * CondFlowEnable enables conditional execution of the operation. When this
 524  * field is TRUE, CondFlowIndex specifies the index of the condition code
 525  * register to test against CondMask with component swizzle controled by
 526  * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
 527  * the operation is not executed.
 528  */
 529
 530 struct tgsi_instruction_ext_nv
 531 {
 532    unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_NV */
 533    unsigned Precision        : 4;    /* TGSI_PRECISION_ */
 534    unsigned CondDstIndex     : 4;    /* UINT */
 535    unsigned CondFlowIndex    : 4;    /* UINT */
 536    unsigned CondMask         : 4;    /* TGSI_CC_ */
 537    unsigned CondSwizzleX     : 2;    /* TGSI_SWIZZLE_ */
 538    unsigned CondSwizzleY     : 2;    /* TGSI_SWIZZLE_ */
 539    unsigned CondSwizzleZ     : 2;    /* TGSI_SWIZZLE_ */
 540    unsigned CondSwizzleW     : 2;    /* TGSI_SWIZZLE_ */
 541    unsigned CondDstUpdate    : 1;    /* BOOL */
 542    unsigned CondFlowEnable   : 1;    /* BOOL */
 543    unsigned Padding          : 1;
 544    unsigned Extended         : 1;    /* BOOL */
 545 };
 546
 547 struct tgsi_instruction_ext_label
 548 {
 549    unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
 550    unsigned Label    : 24;   /* UINT */
 551    unsigned Padding  : 3;
 552    unsigned Extended : 1;    /* BOOL */
 553 };
 554
 555 #define TGSI_TEXTURE_UNKNOWN        0
 556 #define TGSI_TEXTURE_1D             1
 557 #define TGSI_TEXTURE_2D             2
 558 #define TGSI_TEXTURE_3D             3
 559 #define TGSI_TEXTURE_CUBE           4
 560 #define TGSI_TEXTURE_RECT           5
 561 #define TGSI_TEXTURE_SHADOW1D       6
 562 #define TGSI_TEXTURE_SHADOW2D       7
 563 #define TGSI_TEXTURE_SHADOWRECT     8
 564
 565 struct tgsi_instruction_ext_texture
 566 {
 567    unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
 568    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 569    unsigned Padding  : 19;
 570    unsigned Extended : 1;    /* BOOL */
 571 };
 572
 573 struct tgsi_instruction_ext_predicate
 574 {
 575    unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
 576    unsigned PredDstIndex     : 4;    /* UINT */
 577    unsigned PredWriteMask    : 4;    /* TGSI_WRITEMASK_ */
 578    unsigned Padding          : 19;
 579    unsigned Extended         : 1;    /* BOOL */
 580 };
 581
 582 /*
 583  * File specifies the register array to access.
 584  *
 585  * Index specifies the element number of a register in the register file.
 586  *
 587  * If Indirect is TRUE, Index should be offset by the X component of a source
 588  * register that follows. The register can be now fetched into local storage
 589  * for further processing.
 590  *
 591  * If Negate is TRUE, all components of the fetched register are negated.
 592  *
 593  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 594  * SwizzleZ and SwizzleW.
 595  *
 596  * If Extended is TRUE, any further modifications to the source register are
 597  * made to this temporary storage.
 598  */
 599
 600 struct tgsi_src_register
 601 {
 602    unsigned File        : 4;  /* TGSI_FILE_ */
 603    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 604    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 605    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 606    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 607    unsigned Negate      : 1;  /* BOOL */
 608    unsigned Indirect    : 1;  /* BOOL */
 609    unsigned Dimension   : 1;  /* BOOL */
 610    int      Index       : 16; /* SINT */
 611    unsigned Extended    : 1;  /* BOOL */
 612 };
 613
 614 /*
 615  * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
 616  *
 617  * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
 618  * follows.
 619  *
 620  * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 621  */
 622
 623 #define TGSI_SRC_REGISTER_EXT_TYPE_SWZ      0
 624 #define TGSI_SRC_REGISTER_EXT_TYPE_MOD      1
 625
 626 struct tgsi_src_register_ext
 627 {
 628    unsigned Type     : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_ */
 629    unsigned Padding  : 27;
 630    unsigned Extended : 1;    /* BOOL */
 631 };
 632
 633 /*
 634  * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
 635  * it should be cast to tgsi_src_register_ext_swz.
 636  *
 637  * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
 638  * it should be cast to tgsi_src_register_ext_mod.
 639  *
 640  * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
 641  * follows.
 642  */
 643
 644 #define TGSI_EXTSWIZZLE_X       TGSI_SWIZZLE_X
 645 #define TGSI_EXTSWIZZLE_Y       TGSI_SWIZZLE_Y
 646 #define TGSI_EXTSWIZZLE_Z       TGSI_SWIZZLE_Z
 647 #define TGSI_EXTSWIZZLE_W       TGSI_SWIZZLE_W
 648 #define TGSI_EXTSWIZZLE_ZERO    4
 649 #define TGSI_EXTSWIZZLE_ONE     5
 650
 651 /*
 652  * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
 653  * register in an extended manner.
 654  *
 655  * NegateX, NegateY, NegateZ and NegateW negate individual components of the
 656  * source register.
 657  *
 658  * ExtDivide specifies which component is used to divide all components of the
 659  * source register.
 660  */
 661
 662 struct tgsi_src_register_ext_swz
 663 {
 664    unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
 665    unsigned ExtSwizzleX  : 4;    /* TGSI_EXTSWIZZLE_ */
 666    unsigned ExtSwizzleY  : 4;    /* TGSI_EXTSWIZZLE_ */
 667    unsigned ExtSwizzleZ  : 4;    /* TGSI_EXTSWIZZLE_ */
 668    unsigned ExtSwizzleW  : 4;    /* TGSI_EXTSWIZZLE_ */
 669    unsigned NegateX      : 1;    /* BOOL */
 670    unsigned NegateY      : 1;    /* BOOL */
 671    unsigned NegateZ      : 1;    /* BOOL */
 672    unsigned NegateW      : 1;    /* BOOL */
 673    unsigned ExtDivide    : 4;    /* TGSI_EXTSWIZZLE_ */
 674    unsigned Padding      : 3;
 675    unsigned Extended     : 1;    /* BOOL */
 676 };
 677
 678 /**
 679  * Extra src register modifiers
 680  *
 681  * If Complement is TRUE, the source register is modified by subtracting it
 682  * from 1.0.
 683  *
 684  * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
 685  *
 686  * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
 687  *
 688  * If Absolute is TRUE, the source register is modified by removing the sign.
 689  *
 690  * If Negate is TRUE, the source register is modified by negating it.
 691  */
 692
 693 struct tgsi_src_register_ext_mod
 694 {
 695    unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
 696    unsigned Complement   : 1;    /* BOOL */
 697    unsigned Bias         : 1;    /* BOOL */
 698    unsigned Scale2X      : 1;    /* BOOL */
 699    unsigned Absolute     : 1;    /* BOOL */
 700    unsigned Negate       : 1;    /* BOOL */
 701    unsigned Padding      : 22;
 702    unsigned Extended     : 1;    /* BOOL */
 703 };
 704
 705 struct tgsi_dimension
 706 {
 707    unsigned Indirect    : 1;  /* BOOL */
 708    unsigned Dimension   : 1;  /* BOOL */
 709    unsigned Padding     : 13;
 710    int      Index       : 16; /* SINT */
 711    unsigned Extended    : 1;  /* BOOL */
 712 };
 713
 714 struct tgsi_dst_register
 715 {
 716    unsigned File        : 4;  /* TGSI_FILE_ */
 717    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 718    unsigned Indirect    : 1;  /* BOOL */
 719    unsigned Dimension   : 1;  /* BOOL */
 720    int      Index       : 16; /* SINT */
 721    unsigned Padding     : 5;
 722    unsigned Extended    : 1;  /* BOOL */
 723 };
 724
 725 /*
 726  * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
 727  *
 728  * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
 729  */
 730
 731 #define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE     0
 732 #define TGSI_DST_REGISTER_EXT_TYPE_MODULATE     1
 733 #define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE    2
 734
 735 struct tgsi_dst_register_ext
 736 {
 737    unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_ */
 738    unsigned Padding  : 27;
 739    unsigned Extended : 1;    /* BOOL */
 740 };
 741
 742 /**
 743  * Extra destination register modifiers
 744  *
 745  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
 746  * it should be cast to tgsi_dst_register_ext_condcode.
 747  *
 748  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
 749  * it should be cast to tgsi_dst_register_ext_modulate.
 750  *
 751  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
 752  * it should be cast to tgsi_dst_register_ext_predicate.
 753  *
 754  * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
 755  * follows.
 756  */
 757 struct tgsi_dst_register_ext_concode
 758 {
 759    unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
 760    unsigned CondMask     : 4;    /* TGSI_CC_ */
 761    unsigned CondSwizzleX : 2;    /* TGSI_SWIZZLE_ */
 762    unsigned CondSwizzleY : 2;    /* TGSI_SWIZZLE_ */
 763    unsigned CondSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
 764    unsigned CondSwizzleW : 2;    /* TGSI_SWIZZLE_ */
 765    unsigned CondSrcIndex : 4;    /* UINT */
 766    unsigned Padding      : 11;
 767    unsigned Extended     : 1;    /* BOOL */
 768 };
 769
 770 #define TGSI_MODULATE_1X        0
 771 #define TGSI_MODULATE_2X        1
 772 #define TGSI_MODULATE_4X        2
 773 #define TGSI_MODULATE_8X        3
 774 #define TGSI_MODULATE_HALF      4
 775 #define TGSI_MODULATE_QUARTER   5
 776 #define TGSI_MODULATE_EIGHTH    6
 777
 778 struct tgsi_dst_register_ext_modulate
 779 {
 780    unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
 781    unsigned Modulate : 4;    /* TGSI_MODULATE_ */
 782    unsigned Padding  : 23;
 783    unsigned Extended : 1;    /* BOOL */
 784 };
 785
 786 /*
 787  * Currently, the following constraints apply.
 788  *
 789  * - PredSwizzleXYZW is either set to identity or replicate.
 790  * - PredSrcIndex is 0.
 791  */
 792
 793 struct tgsi_dst_register_ext_predicate
 794 {
 795    unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
 796    unsigned PredSwizzleX : 2;    /* TGSI_SWIZZLE_ */
 797    unsigned PredSwizzleY : 2;    /* TGSI_SWIZZLE_ */
 798    unsigned PredSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
 799    unsigned PredSwizzleW : 2;    /* TGSI_SWIZZLE_ */
 800    unsigned PredSrcIndex : 4;    /* UINT */
 801    unsigned Negate       : 1;    /* BOOL */
 802    unsigned Padding      : 14;
 803    unsigned Extended     : 1;    /* BOOL */
 804 };
 805
 806
 807 #ifdef __cplusplus
 808 }
 809 #endif
 810
 811 #endif /* TGSI_TOKEN_H */
 812