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_TXP                 134
 231 #define TGSI_OPCODE_UP2H                54
 232 #define TGSI_OPCODE_UP2US               55
 233 #define TGSI_OPCODE_UP4B                56
 234 #define TGSI_OPCODE_UP4UB               57
 235 #define TGSI_OPCODE_X2D                 58
 236
 237 /*
 238  * GL_NV_vertex_program2
 239  */
 240 #define TGSI_OPCODE_ARA                 59
 241 #define TGSI_OPCODE_ARR                 60
 242 #define TGSI_OPCODE_BRA                 61
 243 #define TGSI_OPCODE_CAL                 62
 244 #define TGSI_OPCODE_RET                 63
 245 #define TGSI_OPCODE_SSG                 64
 246
 247 /*
 248  * GL_ARB_vertex_program
 249  */
 250 #define TGSI_OPCODE_SWZ                 TGSI_OPCODE_MOV
 251 #define TGSI_OPCODE_XPD                 TGSI_OPCODE_CROSSPRODUCT
 252
 253 /*
 254  * GL_ARB_fragment_program
 255  */
 256 #define TGSI_OPCODE_CMP                 65
 257 #define TGSI_OPCODE_SCS                 66
 258 #define TGSI_OPCODE_TXB                 67
 259
 260 /*
 261  * GL_NV_fragment_program_option
 262  */
 263 /* No new opcode */
 264
 265 /*
 266  * GL_NV_fragment_program2
 267  */
 268 #define TGSI_OPCODE_NRM                 68
 269 #define TGSI_OPCODE_DIV                 69
 270 #define TGSI_OPCODE_DP2                 70
 271 #define TGSI_OPCODE_DP2A                TGSI_OPCODE_DOT2ADD
 272 #define TGSI_OPCODE_TXL                 71
 273 #define TGSI_OPCODE_BRK                 72
 274 #define TGSI_OPCODE_IF                  73
 275 #define TGSI_OPCODE_LOOP                74
 276 #define TGSI_OPCODE_REP                 75
 277 #define TGSI_OPCODE_ELSE                76
 278 #define TGSI_OPCODE_ENDIF               77
 279 #define TGSI_OPCODE_ENDLOOP             78
 280 #define TGSI_OPCODE_ENDREP              79
 281
 282 /*
 283  * GL_NV_vertex_program2_option
 284  */
 285
 286 /*
 287  * GL_NV_vertex_program3
 288  */
 289 #define TGSI_OPCODE_PUSHA               80
 290 #define TGSI_OPCODE_POPA                81
 291
 292 /*
 293  * GL_NV_gpu_program4
 294  */
 295 #define TGSI_OPCODE_CEIL                82
 296 #define TGSI_OPCODE_I2F                 83
 297 #define TGSI_OPCODE_NOT                 84
 298 #define TGSI_OPCODE_TRUNC               85
 299 #define TGSI_OPCODE_SHL                 86
 300 #define TGSI_OPCODE_SHR                 87
 301 #define TGSI_OPCODE_AND                 88
 302 #define TGSI_OPCODE_OR                  89
 303 #define TGSI_OPCODE_MOD                 90
 304 #define TGSI_OPCODE_XOR                 91
 305 #define TGSI_OPCODE_SAD                 92
 306 #define TGSI_OPCODE_TXF                 93
 307 #define TGSI_OPCODE_TXQ                 94
 308 #define TGSI_OPCODE_CONT                95
 309
 310 /*
 311  * GL_NV_vertex_program4
 312  */
 313 /* Same as GL_NV_gpu_program4 */
 314
 315 /*
 316  * GL_NV_fragment_program4
 317  */
 318 /* Same as GL_NV_gpu_program4 */
 319
 320 /*
 321  * GL_NV_geometry_program4
 322  */
 323 /* Same as GL_NV_gpu_program4 */
 324 #define TGSI_OPCODE_EMIT                96
 325 #define TGSI_OPCODE_ENDPRIM             97
 326
 327 /*
 328  * GLSL
 329  */
 330 #define TGSI_OPCODE_BGNLOOP2            98
 331 #define TGSI_OPCODE_BGNSUB              99
 332 #define TGSI_OPCODE_ENDLOOP2            100
 333 #define TGSI_OPCODE_ENDSUB              101
 334 #define TGSI_OPCODE_INT                 TGSI_OPCODE_TRUNC
 335 #define TGSI_OPCODE_NOISE1              102
 336 #define TGSI_OPCODE_NOISE2              103
 337 #define TGSI_OPCODE_NOISE3              104
 338 #define TGSI_OPCODE_NOISE4              105
 339 #define TGSI_OPCODE_NOP                 106
 340
 341 /*
 342  * ps_1_1
 343  */
 344 #define TGSI_OPCODE_TEXCOORD            TGSI_OPCODE_NOP
 345 #define TGSI_OPCODE_TEXKILL             TGSI_OPCODE_KILP
 346 #define TGSI_OPCODE_TEXBEM              107
 347 #define TGSI_OPCODE_TEXBEML             108
 348 #define TGSI_OPCODE_TEXREG2AR           109
 349 #define TGSI_OPCODE_TEXM3X2PAD          110
 350 #define TGSI_OPCODE_TEXM3X2TEX          111
 351 #define TGSI_OPCODE_TEXM3X3PAD          112
 352 #define TGSI_OPCODE_TEXM3X3TEX          113
 353 #define TGSI_OPCODE_TEXM3X3SPEC         114
 354 #define TGSI_OPCODE_TEXM3X3VSPEC        115
 355
 356 /*
 357  * ps_1_2
 358  */
 359 #define TGSI_OPCODE_TEXREG2GB           116
 360 #define TGSI_OPCODE_TEXREG2RGB          117
 361 #define TGSI_OPCODE_TEXDP3TEX           118
 362 #define TGSI_OPCODE_TEXDP3              119
 363 #define TGSI_OPCODE_TEXM3X3             120
 364 /* CMP - use TGSI_OPCODE_CND0 */
 365
 366 /*
 367  * ps_1_3
 368  */
 369 #define TGSI_OPCODE_TEXM3X2DEPTH        121
 370 /* CMP - use TGSI_OPCODE_CND0 */
 371
 372 /*
 373  * ps_1_4
 374  */
 375 #define TGSI_OPCODE_TEXCRD              TGSI_OPCODE_TEXCOORD
 376 #define TGSI_OPCODE_TEXLD               TGSI_OPCODE_TEX
 377 #define TGSI_OPCODE_TEXDEPTH            122
 378 #define TGSI_OPCODE_BEM                 123
 379
 380 /*
 381  * ps_2_0
 382  */
 383 #define TGSI_OPCODE_M4X4                TGSI_OPCODE_MULTIPLYMATRIX
 384 #define TGSI_OPCODE_M4X3                124
 385 #define TGSI_OPCODE_M3X4                125
 386 #define TGSI_OPCODE_M3X3                126
 387 #define TGSI_OPCODE_M3X2                127
 388 #define TGSI_OPCODE_CRS                 TGSI_OPCODE_XPD
 389 #define TGSI_OPCODE_NRM4                128
 390 #define TGSI_OPCODE_SINCOS              TGSI_OPCODE_SCS
 391 #define TGSI_OPCODE_TEXLDB              TGSI_OPCODE_TXB
 392 #define TGSI_OPCODE_DP2ADD              TGSI_OPCODE_DP2A
 393
 394 /*
 395  * ps_2_x
 396  */
 397 #define TGSI_OPCODE_CALL                TGSI_OPCODE_CAL
 398 #define TGSI_OPCODE_CALLNZ              129
 399 #define TGSI_OPCODE_IFC                 130
 400 #define TGSI_OPCODE_BREAK               TGSI_OPCODE_BRK
 401 #define TGSI_OPCODE_BREAKC              131
 402 #define TGSI_OPCODE_DSX                 TGSI_OPCODE_DDX
 403 #define TGSI_OPCODE_DSY                 TGSI_OPCODE_DDY
 404 #define TGSI_OPCODE_TEXLDD              TGSI_OPCODE_TXD
 405
 406 /*
 407  * vs_1_1
 408  */
 409 #define TGSI_OPCODE_EXPP                TGSI_OPCODE_EXP
 410 #define TGSI_OPCODE_LOGP                TGSI_OPCODE_LG2
 411
 412 /*
 413  * vs_2_0
 414  */
 415 #define TGSI_OPCODE_SGN                 TGSI_OPCODE_SSG
 416 #define TGSI_OPCODE_MOVA                TGSI_OPCODE_ARR
 417
 418 /*
 419  * vs_2_x
 420  */
 421
 422 #define TGSI_OPCODE_KIL                 132  /* unpredicated kill */
 423 #define TGSI_OPCODE_END                 133  /* aka HALT */
 424
 425 #define TGSI_OPCODE_LAST                135
 426
 427 #define TGSI_SAT_NONE            0  /* do not saturate */
 428 #define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
 429 #define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
 430
 431 /*
 432  * Opcode is the operation code to execute. A given operation defines the
 433  * semantics how the source registers (if any) are interpreted and what is
 434  * written to the destination registers (if any) as a result of execution.
 435  *
 436  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 437  * respectively. For a given operation code, those numbers are fixed and are
 438  * present here only for convenience.
 439  *
 440  * If Extended is TRUE, it is now executed.
 441  *
 442  * Saturate controls how are final results in destination registers modified.
 443  */
 444
 445 struct tgsi_instruction
 446 {
 447    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 448    unsigned Size       : 8;  /* UINT */
 449    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 450    unsigned Saturate   : 2;  /* TGSI_SAT_ */
 451    unsigned NumDstRegs : 2;  /* UINT */
 452    unsigned NumSrcRegs : 4;  /* UINT */
 453    unsigned Padding    : 3;
 454    unsigned Extended   : 1;  /* BOOL */
 455 };
 456
 457 /*
 458  * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
 459  *
 460  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 461  *
 462  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 463  *
 464  * tgsi_instruction::Size contains the total number of words that make the
 465  * instruction, including the instruction word.
 466  */
 467
 468 #define TGSI_INSTRUCTION_EXT_TYPE_NV        0
 469 #define TGSI_INSTRUCTION_EXT_TYPE_LABEL     1
 470 #define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE   2
 471 #define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
 472
 473 struct tgsi_instruction_ext
 474 {
 475    unsigned Type       : 4;  /* TGSI_INSTRUCTION_EXT_TYPE_ */
 476    unsigned Padding    : 27;
 477    unsigned Extended   : 1;  /* BOOL */
 478 };
 479
 480 /*
 481  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
 482  * be cast to tgsi_instruction_ext_nv.
 483  *
 484  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
 485  * should be cast to tgsi_instruction_ext_label.
 486  *
 487  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
 488  * should be cast to tgsi_instruction_ext_texture.
 489  *
 490  * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
 491  * should be cast to tgsi_instruction_ext_predicate.
 492  *
 493  * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
 494  * follows.
 495  */
 496
 497 #define TGSI_PRECISION_DEFAULT      0
 498 #define TGSI_PRECISION_FLOAT32      1
 499 #define TGSI_PRECISION_FLOAT16      2
 500 #define TGSI_PRECISION_FIXED12      3
 501
 502 #define TGSI_CC_GT      0
 503 #define TGSI_CC_EQ      1
 504 #define TGSI_CC_LT      2
 505 #define TGSI_CC_UN      3
 506 #define TGSI_CC_GE      4
 507 #define TGSI_CC_LE      5
 508 #define TGSI_CC_NE      6
 509 #define TGSI_CC_TR      7
 510 #define TGSI_CC_FL      8
 511
 512 #define TGSI_SWIZZLE_X      0
 513 #define TGSI_SWIZZLE_Y      1
 514 #define TGSI_SWIZZLE_Z      2
 515 #define TGSI_SWIZZLE_W      3
 516
 517 /*
 518  * Precision controls the precision at which the operation should be executed.
 519  *
 520  * CondDstUpdate enables condition code register writes. When this field is
 521  * TRUE, CondDstIndex specifies the index of the condition code register to
 522  * update.
 523  *
 524  * CondFlowEnable enables conditional execution of the operation. When this
 525  * field is TRUE, CondFlowIndex specifies the index of the condition code
 526  * register to test against CondMask with component swizzle controled by
 527  * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
 528  * the operation is not executed.
 529  */
 530
 531 struct tgsi_instruction_ext_nv
 532 {
 533    unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_NV */
 534    unsigned Precision        : 4;    /* TGSI_PRECISION_ */
 535    unsigned CondDstIndex     : 4;    /* UINT */
 536    unsigned CondFlowIndex    : 4;    /* UINT */
 537    unsigned CondMask         : 4;    /* TGSI_CC_ */
 538    unsigned CondSwizzleX     : 2;    /* TGSI_SWIZZLE_ */
 539    unsigned CondSwizzleY     : 2;    /* TGSI_SWIZZLE_ */
 540    unsigned CondSwizzleZ     : 2;    /* TGSI_SWIZZLE_ */
 541    unsigned CondSwizzleW     : 2;    /* TGSI_SWIZZLE_ */
 542    unsigned CondDstUpdate    : 1;    /* BOOL */
 543    unsigned CondFlowEnable   : 1;    /* BOOL */
 544    unsigned Padding          : 1;
 545    unsigned Extended         : 1;    /* BOOL */
 546 };
 547
 548 struct tgsi_instruction_ext_label
 549 {
 550    unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
 551    unsigned Label    : 24;   /* UINT */
 552    unsigned Padding  : 3;
 553    unsigned Extended : 1;    /* BOOL */
 554 };
 555
 556 #define TGSI_TEXTURE_UNKNOWN        0
 557 #define TGSI_TEXTURE_1D             1
 558 #define TGSI_TEXTURE_2D             2
 559 #define TGSI_TEXTURE_3D             3
 560 #define TGSI_TEXTURE_CUBE           4
 561 #define TGSI_TEXTURE_RECT           5
 562 #define TGSI_TEXTURE_SHADOW1D       6
 563 #define TGSI_TEXTURE_SHADOW2D       7
 564 #define TGSI_TEXTURE_SHADOWRECT     8
 565
 566 struct tgsi_instruction_ext_texture
 567 {
 568    unsigned Type     : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
 569    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 570    unsigned Padding  : 19;
 571    unsigned Extended : 1;    /* BOOL */
 572 };
 573
 574 struct tgsi_instruction_ext_predicate
 575 {
 576    unsigned Type             : 4;    /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
 577    unsigned PredDstIndex     : 4;    /* UINT */
 578    unsigned PredWriteMask    : 4;    /* TGSI_WRITEMASK_ */
 579    unsigned Padding          : 19;
 580    unsigned Extended         : 1;    /* BOOL */
 581 };
 582
 583 /*
 584  * File specifies the register array to access.
 585  *
 586  * Index specifies the element number of a register in the register file.
 587  *
 588  * If Indirect is TRUE, Index should be offset by the X component of a source
 589  * register that follows. The register can be now fetched into local storage
 590  * for further processing.
 591  *
 592  * If Negate is TRUE, all components of the fetched register are negated.
 593  *
 594  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 595  * SwizzleZ and SwizzleW.
 596  *
 597  * If Extended is TRUE, any further modifications to the source register are
 598  * made to this temporary storage.
 599  */
 600
 601 struct tgsi_src_register
 602 {
 603    unsigned File        : 4;  /* TGSI_FILE_ */
 604    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 605    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 606    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 607    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 608    unsigned Negate      : 1;  /* BOOL */
 609    unsigned Indirect    : 1;  /* BOOL */
 610    unsigned Dimension   : 1;  /* BOOL */
 611    int      Index       : 16; /* SINT */
 612    unsigned Extended    : 1;  /* BOOL */
 613 };
 614
 615 /*
 616  * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
 617  *
 618  * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
 619  * follows.
 620  *
 621  * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 622  */
 623
 624 #define TGSI_SRC_REGISTER_EXT_TYPE_SWZ      0
 625 #define TGSI_SRC_REGISTER_EXT_TYPE_MOD      1
 626
 627 struct tgsi_src_register_ext
 628 {
 629    unsigned Type     : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_ */
 630    unsigned Padding  : 27;
 631    unsigned Extended : 1;    /* BOOL */
 632 };
 633
 634 /*
 635  * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
 636  * it should be cast to tgsi_src_register_ext_swz.
 637  *
 638  * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
 639  * it should be cast to tgsi_src_register_ext_mod.
 640  *
 641  * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
 642  * follows.
 643  */
 644
 645 #define TGSI_EXTSWIZZLE_X       TGSI_SWIZZLE_X
 646 #define TGSI_EXTSWIZZLE_Y       TGSI_SWIZZLE_Y
 647 #define TGSI_EXTSWIZZLE_Z       TGSI_SWIZZLE_Z
 648 #define TGSI_EXTSWIZZLE_W       TGSI_SWIZZLE_W
 649 #define TGSI_EXTSWIZZLE_ZERO    4
 650 #define TGSI_EXTSWIZZLE_ONE     5
 651
 652 /*
 653  * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
 654  * register in an extended manner.
 655  *
 656  * NegateX, NegateY, NegateZ and NegateW negate individual components of the
 657  * source register.
 658  *
 659  * ExtDivide specifies which component is used to divide all components of the
 660  * source register.
 661  */
 662
 663 struct tgsi_src_register_ext_swz
 664 {
 665    unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
 666    unsigned ExtSwizzleX  : 4;    /* TGSI_EXTSWIZZLE_ */
 667    unsigned ExtSwizzleY  : 4;    /* TGSI_EXTSWIZZLE_ */
 668    unsigned ExtSwizzleZ  : 4;    /* TGSI_EXTSWIZZLE_ */
 669    unsigned ExtSwizzleW  : 4;    /* TGSI_EXTSWIZZLE_ */
 670    unsigned NegateX      : 1;    /* BOOL */
 671    unsigned NegateY      : 1;    /* BOOL */
 672    unsigned NegateZ      : 1;    /* BOOL */
 673    unsigned NegateW      : 1;    /* BOOL */
 674
 675    /*
 676     * XXX: Do not use. This field has been depricated.
 677     * XXX: If using in conjunction with OPCODE_TEX, please use OPCODE_TXP
 678     * XXX: and, if needed, perform a swizzle on the texture coordinate.
 679     */
 680    unsigned ExtDivide    : 4;    /* TGSI_EXTSWIZZLE_ */
 681
 682    unsigned Padding      : 3;
 683    unsigned Extended     : 1;    /* BOOL */
 684 };
 685
 686 /**
 687  * Extra src register modifiers
 688  *
 689  * If Complement is TRUE, the source register is modified by subtracting it
 690  * from 1.0.
 691  *
 692  * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
 693  *
 694  * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
 695  *
 696  * If Absolute is TRUE, the source register is modified by removing the sign.
 697  *
 698  * If Negate is TRUE, the source register is modified by negating it.
 699  */
 700
 701 struct tgsi_src_register_ext_mod
 702 {
 703    unsigned Type         : 4;    /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
 704    unsigned Complement   : 1;    /* BOOL */
 705    unsigned Bias         : 1;    /* BOOL */
 706    unsigned Scale2X      : 1;    /* BOOL */
 707    unsigned Absolute     : 1;    /* BOOL */
 708    unsigned Negate       : 1;    /* BOOL */
 709    unsigned Padding      : 22;
 710    unsigned Extended     : 1;    /* BOOL */
 711 };
 712
 713 struct tgsi_dimension
 714 {
 715    unsigned Indirect    : 1;  /* BOOL */
 716    unsigned Dimension   : 1;  /* BOOL */
 717    unsigned Padding     : 13;
 718    int      Index       : 16; /* SINT */
 719    unsigned Extended    : 1;  /* BOOL */
 720 };
 721
 722 struct tgsi_dst_register
 723 {
 724    unsigned File        : 4;  /* TGSI_FILE_ */
 725    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 726    unsigned Indirect    : 1;  /* BOOL */
 727    unsigned Dimension   : 1;  /* BOOL */
 728    int      Index       : 16; /* SINT */
 729    unsigned Padding     : 5;
 730    unsigned Extended    : 1;  /* BOOL */
 731 };
 732
 733 /*
 734  * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
 735  *
 736  * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
 737  */
 738
 739 #define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE     0
 740 #define TGSI_DST_REGISTER_EXT_TYPE_MODULATE     1
 741 #define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE    2
 742
 743 struct tgsi_dst_register_ext
 744 {
 745    unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_ */
 746    unsigned Padding  : 27;
 747    unsigned Extended : 1;    /* BOOL */
 748 };
 749
 750 /**
 751  * Extra destination register modifiers
 752  *
 753  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
 754  * it should be cast to tgsi_dst_register_ext_condcode.
 755  *
 756  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
 757  * it should be cast to tgsi_dst_register_ext_modulate.
 758  *
 759  * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
 760  * it should be cast to tgsi_dst_register_ext_predicate.
 761  *
 762  * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
 763  * follows.
 764  */
 765 struct tgsi_dst_register_ext_concode
 766 {
 767    unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
 768    unsigned CondMask     : 4;    /* TGSI_CC_ */
 769    unsigned CondSwizzleX : 2;    /* TGSI_SWIZZLE_ */
 770    unsigned CondSwizzleY : 2;    /* TGSI_SWIZZLE_ */
 771    unsigned CondSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
 772    unsigned CondSwizzleW : 2;    /* TGSI_SWIZZLE_ */
 773    unsigned CondSrcIndex : 4;    /* UINT */
 774    unsigned Padding      : 11;
 775    unsigned Extended     : 1;    /* BOOL */
 776 };
 777
 778 #define TGSI_MODULATE_1X        0
 779 #define TGSI_MODULATE_2X        1
 780 #define TGSI_MODULATE_4X        2
 781 #define TGSI_MODULATE_8X        3
 782 #define TGSI_MODULATE_HALF      4
 783 #define TGSI_MODULATE_QUARTER   5
 784 #define TGSI_MODULATE_EIGHTH    6
 785
 786 struct tgsi_dst_register_ext_modulate
 787 {
 788    unsigned Type     : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
 789    unsigned Modulate : 4;    /* TGSI_MODULATE_ */
 790    unsigned Padding  : 23;
 791    unsigned Extended : 1;    /* BOOL */
 792 };
 793
 794 /*
 795  * Currently, the following constraints apply.
 796  *
 797  * - PredSwizzleXYZW is either set to identity or replicate.
 798  * - PredSrcIndex is 0.
 799  */
 800
 801 struct tgsi_dst_register_ext_predicate
 802 {
 803    unsigned Type         : 4;    /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
 804    unsigned PredSwizzleX : 2;    /* TGSI_SWIZZLE_ */
 805    unsigned PredSwizzleY : 2;    /* TGSI_SWIZZLE_ */
 806    unsigned PredSwizzleZ : 2;    /* TGSI_SWIZZLE_ */
 807    unsigned PredSwizzleW : 2;    /* TGSI_SWIZZLE_ */
 808    unsigned PredSrcIndex : 4;    /* UINT */
 809    unsigned Negate       : 1;    /* BOOL */
 810    unsigned Padding      : 14;
 811    unsigned Extended     : 1;    /* BOOL */
 812 };
 813
 814
 815 #ifdef __cplusplus
 816 }
 817 #endif
 818
 819 #endif /* TGSI_TOKEN_H */
 820