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