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