src/gallium/include/pipe/p_shader_tokens.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2009-2010 VMware, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #ifndef P_SHADER_TOKENS_H
  30 #define P_SHADER_TOKENS_H
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36
  37 struct tgsi_header
  38 {
  39    unsigned HeaderSize : 8;
  40    unsigned BodySize   : 24;
  41 };
  42
  43 #define TGSI_PROCESSOR_FRAGMENT  0
  44 #define TGSI_PROCESSOR_VERTEX    1
  45 #define TGSI_PROCESSOR_GEOMETRY  2
  46 #define TGSI_PROCESSOR_COMPUTE   3
  47
  48 struct tgsi_processor
  49 {
  50    unsigned Processor  : 4;  /* TGSI_PROCESSOR_ */
  51    unsigned Padding    : 28;
  52 };
  53
  54 #define TGSI_TOKEN_TYPE_DECLARATION    0
  55 #define TGSI_TOKEN_TYPE_IMMEDIATE      1
  56 #define TGSI_TOKEN_TYPE_INSTRUCTION    2
  57 #define TGSI_TOKEN_TYPE_PROPERTY       3
  58
  59 struct tgsi_token
  60 {
  61    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_x */
  62    unsigned NrTokens   : 8;  /**< UINT */
  63    unsigned Padding    : 20;
  64 };
  65
  66 enum tgsi_file_type {
  67    TGSI_FILE_NULL                =0,
  68    TGSI_FILE_CONSTANT            =1,
  69    TGSI_FILE_INPUT               =2,
  70    TGSI_FILE_OUTPUT              =3,
  71    TGSI_FILE_TEMPORARY           =4,
  72    TGSI_FILE_SAMPLER             =5,
  73    TGSI_FILE_ADDRESS             =6,
  74    TGSI_FILE_IMMEDIATE           =7,
  75    TGSI_FILE_PREDICATE           =8,
  76    TGSI_FILE_SYSTEM_VALUE        =9,
  77    TGSI_FILE_RESOURCE            =10,
  78    TGSI_FILE_SAMPLER_VIEW        =11,
  79    TGSI_FILE_COUNT      /**< how many TGSI_FILE_ types */
  80 };
  81
  82
  83 #define TGSI_WRITEMASK_NONE     0x00
  84 #define TGSI_WRITEMASK_X        0x01
  85 #define TGSI_WRITEMASK_Y        0x02
  86 #define TGSI_WRITEMASK_XY       0x03
  87 #define TGSI_WRITEMASK_Z        0x04
  88 #define TGSI_WRITEMASK_XZ       0x05
  89 #define TGSI_WRITEMASK_YZ       0x06
  90 #define TGSI_WRITEMASK_XYZ      0x07
  91 #define TGSI_WRITEMASK_W        0x08
  92 #define TGSI_WRITEMASK_XW       0x09
  93 #define TGSI_WRITEMASK_YW       0x0A
  94 #define TGSI_WRITEMASK_XYW      0x0B
  95 #define TGSI_WRITEMASK_ZW       0x0C
  96 #define TGSI_WRITEMASK_XZW      0x0D
  97 #define TGSI_WRITEMASK_YZW      0x0E
  98 #define TGSI_WRITEMASK_XYZW     0x0F
  99
 100 #define TGSI_INTERPOLATE_CONSTANT      0
 101 #define TGSI_INTERPOLATE_LINEAR        1
 102 #define TGSI_INTERPOLATE_PERSPECTIVE   2
 103 #define TGSI_INTERPOLATE_COLOR         3 /* special color case for smooth/flat */
 104 #define TGSI_INTERPOLATE_COUNT         4
 105
 106 #define TGSI_INTERPOLATE_LOC_CENTER    0
 107 #define TGSI_INTERPOLATE_LOC_CENTROID  1
 108 #define TGSI_INTERPOLATE_LOC_SAMPLE    2
 109 #define TGSI_INTERPOLATE_LOC_COUNT     3
 110
 111 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
 112 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
 113 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
 114 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
 115
 116 struct tgsi_declaration
 117 {
 118    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
 119    unsigned NrTokens    : 8;  /**< UINT */
 120    unsigned File        : 4;  /**< one of TGSI_FILE_x */
 121    unsigned UsageMask   : 4;  /**< bitmask of TGSI_WRITEMASK_x flags */
 122    unsigned Dimension   : 1;  /**< any extra dimension info? */
 123    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
 124    unsigned Interpolate : 1;  /**< any interpolation info? */
 125    unsigned Invariant   : 1;  /**< invariant optimization? */
 126    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
 127    unsigned Array       : 1;  /**< extra array info? */
 128    unsigned Padding     : 6;
 129 };
 130
 131 struct tgsi_declaration_range
 132 {
 133    unsigned First   : 16; /**< UINT */
 134    unsigned Last    : 16; /**< UINT */
 135 };
 136
 137 struct tgsi_declaration_dimension
 138 {
 139    unsigned Index2D:16; /**< UINT */
 140    unsigned Padding:16;
 141 };
 142
 143 struct tgsi_declaration_interp
 144 {
 145    unsigned Interpolate : 4;   /**< one of TGSI_INTERPOLATE_x */
 146    unsigned Location    : 2;   /**< one of TGSI_INTERPOLATE_LOC_x */
 147    unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
 148    unsigned Padding     : 22;
 149 };
 150
 151 #define TGSI_SEMANTIC_POSITION   0
 152 #define TGSI_SEMANTIC_COLOR      1
 153 #define TGSI_SEMANTIC_BCOLOR     2  /**< back-face color */
 154 #define TGSI_SEMANTIC_FOG        3
 155 #define TGSI_SEMANTIC_PSIZE      4
 156 #define TGSI_SEMANTIC_GENERIC    5
 157 #define TGSI_SEMANTIC_NORMAL     6
 158 #define TGSI_SEMANTIC_FACE       7
 159 #define TGSI_SEMANTIC_EDGEFLAG   8
 160 #define TGSI_SEMANTIC_PRIMID     9
 161 #define TGSI_SEMANTIC_INSTANCEID 10 /**< doesn't include start_instance */
 162 #define TGSI_SEMANTIC_VERTEXID   11
 163 #define TGSI_SEMANTIC_STENCIL    12
 164 #define TGSI_SEMANTIC_CLIPDIST   13
 165 #define TGSI_SEMANTIC_CLIPVERTEX 14
 166 #define TGSI_SEMANTIC_GRID_SIZE  15 /**< grid size in blocks */
 167 #define TGSI_SEMANTIC_BLOCK_ID   16 /**< id of the current block */
 168 #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */
 169 #define TGSI_SEMANTIC_THREAD_ID  18 /**< block-relative id of the current thread */
 170 #define TGSI_SEMANTIC_TEXCOORD   19 /**< texture or sprite coordinates */
 171 #define TGSI_SEMANTIC_PCOORD     20 /**< point sprite coordinate */
 172 #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */
 173 #define TGSI_SEMANTIC_LAYER      22 /**< layer (rendertarget index) */
 174 #define TGSI_SEMANTIC_CULLDIST   23
 175 #define TGSI_SEMANTIC_SAMPLEID   24
 176 #define TGSI_SEMANTIC_SAMPLEPOS  25
 177 #define TGSI_SEMANTIC_SAMPLEMASK 26
 178 #define TGSI_SEMANTIC_INVOCATIONID 27
 179 #define TGSI_SEMANTIC_COUNT      28 /**< number of semantic values */
 180
 181 struct tgsi_declaration_semantic
 182 {
 183    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
 184    unsigned Index          : 16; /**< UINT */
 185    unsigned Padding        : 8;
 186 };
 187
 188 struct tgsi_declaration_resource {
 189    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 190    unsigned Raw         : 1;
 191    unsigned Writable    : 1;
 192    unsigned Padding     : 22;
 193 };
 194
 195 enum tgsi_return_type {
 196    TGSI_RETURN_TYPE_UNORM = 0,
 197    TGSI_RETURN_TYPE_SNORM,
 198    TGSI_RETURN_TYPE_SINT,
 199    TGSI_RETURN_TYPE_UINT,
 200    TGSI_RETURN_TYPE_FLOAT,
 201    TGSI_RETURN_TYPE_COUNT
 202 };
 203
 204 struct tgsi_declaration_sampler_view {
 205    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 206    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
 207    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
 208    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
 209    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
 210 };
 211
 212 struct tgsi_declaration_array {
 213    unsigned ArrayID : 10;
 214    unsigned Padding : 22;
 215 };
 216
 217 /*
 218  * Special resources that don't need to be declared.  They map to the
 219  * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
 220  */
 221 #define TGSI_RESOURCE_GLOBAL    0x7fff
 222 #define TGSI_RESOURCE_LOCAL     0x7ffe
 223 #define TGSI_RESOURCE_PRIVATE   0x7ffd
 224 #define TGSI_RESOURCE_INPUT     0x7ffc
 225
 226 #define TGSI_IMM_FLOAT32   0
 227 #define TGSI_IMM_UINT32    1
 228 #define TGSI_IMM_INT32     2
 229
 230 struct tgsi_immediate
 231 {
 232    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
 233    unsigned NrTokens   : 14; /**< UINT */
 234    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
 235    unsigned Padding    : 10;
 236 };
 237
 238 union tgsi_immediate_data
 239 {
 240    float Float;
 241    unsigned Uint;
 242    int Int;
 243 };
 244
 245 #define TGSI_PROPERTY_GS_INPUT_PRIM          0
 246 #define TGSI_PROPERTY_GS_OUTPUT_PRIM         1
 247 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
 248 #define TGSI_PROPERTY_FS_COORD_ORIGIN        3
 249 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER  4
 250 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
 251 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT        6
 252 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS       7
 253 #define TGSI_PROPERTY_GS_INVOCATIONS         8
 254 #define TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION 9
 255 #define TGSI_PROPERTY_COUNT                  10
 256
 257 struct tgsi_property {
 258    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
 259    unsigned NrTokens     : 8;  /**< UINT */
 260    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
 261    unsigned Padding      : 12;
 262 };
 263
 264 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
 265 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
 266
 267 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
 268 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
 269
 270 #define TGSI_FS_DEPTH_LAYOUT_NONE         0
 271 #define TGSI_FS_DEPTH_LAYOUT_ANY          1
 272 #define TGSI_FS_DEPTH_LAYOUT_GREATER      2
 273 #define TGSI_FS_DEPTH_LAYOUT_LESS         3
 274 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED    4
 275
 276
 277 struct tgsi_property_data {
 278    unsigned Data;
 279 };
 280
 281 /* TGSI opcodes.
 282  *
 283  * For more information on semantics of opcodes and
 284  * which APIs are known to use which opcodes, see
 285  * gallium/docs/source/tgsi.rst
 286  */
 287 #define TGSI_OPCODE_ARL                 0
 288 #define TGSI_OPCODE_MOV                 1
 289 #define TGSI_OPCODE_LIT                 2
 290 #define TGSI_OPCODE_RCP                 3
 291 #define TGSI_OPCODE_RSQ                 4
 292 #define TGSI_OPCODE_EXP                 5
 293 #define TGSI_OPCODE_LOG                 6
 294 #define TGSI_OPCODE_MUL                 7
 295 #define TGSI_OPCODE_ADD                 8
 296 #define TGSI_OPCODE_DP3                 9
 297 #define TGSI_OPCODE_DP4                 10
 298 #define TGSI_OPCODE_DST                 11
 299 #define TGSI_OPCODE_MIN                 12
 300 #define TGSI_OPCODE_MAX                 13
 301 #define TGSI_OPCODE_SLT                 14
 302 #define TGSI_OPCODE_SGE                 15
 303 #define TGSI_OPCODE_MAD                 16
 304 #define TGSI_OPCODE_SUB                 17
 305 #define TGSI_OPCODE_LRP                 18
 306 #define TGSI_OPCODE_CND                 19
 307 #define TGSI_OPCODE_SQRT                20
 308 #define TGSI_OPCODE_DP2A                21
 309                                 /* gap */
 310 #define TGSI_OPCODE_FRC                 24
 311 #define TGSI_OPCODE_CLAMP               25
 312 #define TGSI_OPCODE_FLR                 26
 313 #define TGSI_OPCODE_ROUND               27
 314 #define TGSI_OPCODE_EX2                 28
 315 #define TGSI_OPCODE_LG2                 29
 316 #define TGSI_OPCODE_POW                 30
 317 #define TGSI_OPCODE_XPD                 31
 318                                 /* gap */
 319 #define TGSI_OPCODE_ABS                 33
 320                                 /* gap */
 321 #define TGSI_OPCODE_DPH                 35
 322 #define TGSI_OPCODE_COS                 36
 323 #define TGSI_OPCODE_DDX                 37
 324 #define TGSI_OPCODE_DDY                 38
 325 #define TGSI_OPCODE_KILL                39 /* unconditional */
 326 #define TGSI_OPCODE_PK2H                40
 327 #define TGSI_OPCODE_PK2US               41
 328 #define TGSI_OPCODE_PK4B                42
 329 #define TGSI_OPCODE_PK4UB               43
 330 #define TGSI_OPCODE_RFL                 44
 331 #define TGSI_OPCODE_SEQ                 45
 332 #define TGSI_OPCODE_SFL                 46
 333 #define TGSI_OPCODE_SGT                 47
 334 #define TGSI_OPCODE_SIN                 48
 335 #define TGSI_OPCODE_SLE                 49
 336 #define TGSI_OPCODE_SNE                 50
 337 #define TGSI_OPCODE_STR                 51
 338 #define TGSI_OPCODE_TEX                 52
 339 #define TGSI_OPCODE_TXD                 53
 340 #define TGSI_OPCODE_TXP                 54
 341 #define TGSI_OPCODE_UP2H                55
 342 #define TGSI_OPCODE_UP2US               56
 343 #define TGSI_OPCODE_UP4B                57
 344 #define TGSI_OPCODE_UP4UB               58
 345                                 /* gap */
 346 #define TGSI_OPCODE_ARR                 61
 347 #define TGSI_OPCODE_BRA                 62
 348 #define TGSI_OPCODE_CAL                 63
 349 #define TGSI_OPCODE_RET                 64
 350 #define TGSI_OPCODE_SSG                 65 /* SGN */
 351 #define TGSI_OPCODE_CMP                 66
 352 #define TGSI_OPCODE_SCS                 67
 353 #define TGSI_OPCODE_TXB                 68
 354                                 /* gap */
 355 #define TGSI_OPCODE_DIV                 70
 356 #define TGSI_OPCODE_DP2                 71
 357 #define TGSI_OPCODE_TXL                 72
 358 #define TGSI_OPCODE_BRK                 73
 359 #define TGSI_OPCODE_IF                  74
 360 #define TGSI_OPCODE_UIF                 75
 361 #define TGSI_OPCODE_ELSE                77
 362 #define TGSI_OPCODE_ENDIF               78
 363
 364 #define TGSI_OPCODE_DDX_FINE            79
 365 #define TGSI_OPCODE_DDY_FINE            80
 366
 367 #define TGSI_OPCODE_PUSHA               81
 368 #define TGSI_OPCODE_POPA                82
 369 #define TGSI_OPCODE_CEIL                83
 370 #define TGSI_OPCODE_I2F                 84
 371 #define TGSI_OPCODE_NOT                 85
 372 #define TGSI_OPCODE_TRUNC               86
 373 #define TGSI_OPCODE_SHL                 87
 374                                 /* gap */
 375 #define TGSI_OPCODE_AND                 89
 376 #define TGSI_OPCODE_OR                  90
 377 #define TGSI_OPCODE_MOD                 91
 378 #define TGSI_OPCODE_XOR                 92
 379 #define TGSI_OPCODE_SAD                 93
 380 #define TGSI_OPCODE_TXF                 94
 381 #define TGSI_OPCODE_TXQ                 95
 382 #define TGSI_OPCODE_CONT                96
 383 #define TGSI_OPCODE_EMIT                97
 384 #define TGSI_OPCODE_ENDPRIM             98
 385 #define TGSI_OPCODE_BGNLOOP             99
 386 #define TGSI_OPCODE_BGNSUB              100
 387 #define TGSI_OPCODE_ENDLOOP             101
 388 #define TGSI_OPCODE_ENDSUB              102
 389 #define TGSI_OPCODE_TXQ_LZ              103 /* TXQ for mipmap level 0 */
 390                                 /* gap */
 391 #define TGSI_OPCODE_NOP                 107
 392
 393 #define TGSI_OPCODE_FSEQ                108
 394 #define TGSI_OPCODE_FSGE                109
 395 #define TGSI_OPCODE_FSLT                110
 396 #define TGSI_OPCODE_FSNE                111
 397
 398                                 /* gap */
 399 #define TGSI_OPCODE_CALLNZ              113
 400                                 /* gap */
 401 #define TGSI_OPCODE_BREAKC              115
 402 #define TGSI_OPCODE_KILL_IF             116  /* conditional kill */
 403 #define TGSI_OPCODE_END                 117  /* aka HALT */
 404                                 /* gap */
 405 #define TGSI_OPCODE_F2I                 119
 406 #define TGSI_OPCODE_IDIV                120
 407 #define TGSI_OPCODE_IMAX                121
 408 #define TGSI_OPCODE_IMIN                122
 409 #define TGSI_OPCODE_INEG                123
 410 #define TGSI_OPCODE_ISGE                124
 411 #define TGSI_OPCODE_ISHR                125
 412 #define TGSI_OPCODE_ISLT                126
 413 #define TGSI_OPCODE_F2U                 127
 414 #define TGSI_OPCODE_U2F                 128
 415 #define TGSI_OPCODE_UADD                129
 416 #define TGSI_OPCODE_UDIV                130
 417 #define TGSI_OPCODE_UMAD                131
 418 #define TGSI_OPCODE_UMAX                132
 419 #define TGSI_OPCODE_UMIN                133
 420 #define TGSI_OPCODE_UMOD                134
 421 #define TGSI_OPCODE_UMUL                135
 422 #define TGSI_OPCODE_USEQ                136
 423 #define TGSI_OPCODE_USGE                137
 424 #define TGSI_OPCODE_USHR                138
 425 #define TGSI_OPCODE_USLT                139
 426 #define TGSI_OPCODE_USNE                140
 427 #define TGSI_OPCODE_SWITCH              141
 428 #define TGSI_OPCODE_CASE                142
 429 #define TGSI_OPCODE_DEFAULT             143
 430 #define TGSI_OPCODE_ENDSWITCH           144
 431
 432 /* resource related opcodes */
 433 #define TGSI_OPCODE_SAMPLE              145
 434 #define TGSI_OPCODE_SAMPLE_I            146
 435 #define TGSI_OPCODE_SAMPLE_I_MS         147
 436 #define TGSI_OPCODE_SAMPLE_B            148
 437 #define TGSI_OPCODE_SAMPLE_C            149
 438 #define TGSI_OPCODE_SAMPLE_C_LZ         150
 439 #define TGSI_OPCODE_SAMPLE_D            151
 440 #define TGSI_OPCODE_SAMPLE_L            152
 441 #define TGSI_OPCODE_GATHER4             153
 442 #define TGSI_OPCODE_SVIEWINFO           154
 443 #define TGSI_OPCODE_SAMPLE_POS          155
 444 #define TGSI_OPCODE_SAMPLE_INFO         156
 445
 446 #define TGSI_OPCODE_UARL                157
 447 #define TGSI_OPCODE_UCMP                158
 448 #define TGSI_OPCODE_IABS                159
 449 #define TGSI_OPCODE_ISSG                160
 450
 451 #define TGSI_OPCODE_LOAD                161
 452 #define TGSI_OPCODE_STORE               162
 453
 454 #define TGSI_OPCODE_MFENCE              163
 455 #define TGSI_OPCODE_LFENCE              164
 456 #define TGSI_OPCODE_SFENCE              165
 457 #define TGSI_OPCODE_BARRIER             166
 458
 459 #define TGSI_OPCODE_ATOMUADD            167
 460 #define TGSI_OPCODE_ATOMXCHG            168
 461 #define TGSI_OPCODE_ATOMCAS             169
 462 #define TGSI_OPCODE_ATOMAND             170
 463 #define TGSI_OPCODE_ATOMOR              171
 464 #define TGSI_OPCODE_ATOMXOR             172
 465 #define TGSI_OPCODE_ATOMUMIN            173
 466 #define TGSI_OPCODE_ATOMUMAX            174
 467 #define TGSI_OPCODE_ATOMIMIN            175
 468 #define TGSI_OPCODE_ATOMIMAX            176
 469
 470 /* to be used for shadow cube map compares */
 471 #define TGSI_OPCODE_TEX2                177
 472 #define TGSI_OPCODE_TXB2                178
 473 #define TGSI_OPCODE_TXL2                179
 474
 475 #define TGSI_OPCODE_IMUL_HI             180
 476 #define TGSI_OPCODE_UMUL_HI             181
 477
 478 #define TGSI_OPCODE_TG4                 182
 479
 480 #define TGSI_OPCODE_LODQ                183
 481
 482 #define TGSI_OPCODE_IBFE                184
 483 #define TGSI_OPCODE_UBFE                185
 484 #define TGSI_OPCODE_BFI                 186
 485 #define TGSI_OPCODE_BREV                187
 486 #define TGSI_OPCODE_POPC                188
 487 #define TGSI_OPCODE_LSB                 189
 488 #define TGSI_OPCODE_IMSB                190
 489 #define TGSI_OPCODE_UMSB                191
 490
 491 #define TGSI_OPCODE_INTERP_CENTROID     192
 492 #define TGSI_OPCODE_INTERP_SAMPLE       193
 493 #define TGSI_OPCODE_INTERP_OFFSET       194
 494
 495 #define TGSI_OPCODE_LAST                195
 496
 497 #define TGSI_SAT_NONE            0  /* do not saturate */
 498 #define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
 499 #define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
 500
 501 /**
 502  * Opcode is the operation code to execute. A given operation defines the
 503  * semantics how the source registers (if any) are interpreted and what is
 504  * written to the destination registers (if any) as a result of execution.
 505  *
 506  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 507  * respectively. For a given operation code, those numbers are fixed and are
 508  * present here only for convenience.
 509  *
 510  * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
 511  *
 512  * Saturate controls how are final results in destination registers modified.
 513  */
 514
 515 struct tgsi_instruction
 516 {
 517    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 518    unsigned NrTokens   : 8;  /* UINT */
 519    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 520    unsigned Saturate   : 2;  /* TGSI_SAT_ */
 521    unsigned NumDstRegs : 2;  /* UINT */
 522    unsigned NumSrcRegs : 4;  /* UINT */
 523    unsigned Predicate  : 1;  /* BOOL */
 524    unsigned Label      : 1;
 525    unsigned Texture    : 1;
 526    unsigned Padding    : 1;
 527 };
 528
 529 /*
 530  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
 531  *
 532  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
 533  *   if texture instruction has a number of offsets,
 534  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
 535  *
 536  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 537  *
 538  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 539  *
 540  * tgsi_instruction::NrTokens contains the total number of words that make the
 541  * instruction, including the instruction word.
 542  */
 543
 544 #define TGSI_SWIZZLE_X      0
 545 #define TGSI_SWIZZLE_Y      1
 546 #define TGSI_SWIZZLE_Z      2
 547 #define TGSI_SWIZZLE_W      3
 548
 549 struct tgsi_instruction_label
 550 {
 551    unsigned Label    : 24;   /* UINT */
 552    unsigned Padding  : 8;
 553 };
 554
 555 #define TGSI_TEXTURE_BUFFER         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 #define TGSI_TEXTURE_1D_ARRAY       9
 565 #define TGSI_TEXTURE_2D_ARRAY       10
 566 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
 567 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
 568 #define TGSI_TEXTURE_SHADOWCUBE     13
 569 #define TGSI_TEXTURE_2D_MSAA        14
 570 #define TGSI_TEXTURE_2D_ARRAY_MSAA  15
 571 #define TGSI_TEXTURE_CUBE_ARRAY     16
 572 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
 573 #define TGSI_TEXTURE_UNKNOWN        18
 574 #define TGSI_TEXTURE_COUNT          19
 575
 576 struct tgsi_instruction_texture
 577 {
 578    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 579    unsigned NumOffsets : 4;
 580    unsigned Padding : 20;
 581 };
 582
 583 /* for texture offsets in GLSL and DirectX.
 584  * Generally these always come from TGSI_FILE_IMMEDIATE,
 585  * however DX11 appears to have the capability to do
 586  * non-constant texture offsets.
 587  */
 588 struct tgsi_texture_offset
 589 {
 590    int      Index    : 16;
 591    unsigned File     : 4;  /**< one of TGSI_FILE_x */
 592    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 593    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 594    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 595    unsigned Padding  : 6;
 596 };
 597
 598 /*
 599  * For SM3, the following constraint applies.
 600  *   - Swizzle is either set to identity or replicate.
 601  */
 602 struct tgsi_instruction_predicate
 603 {
 604    int      Index    : 16; /* SINT */
 605    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 606    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 607    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 608    unsigned SwizzleW : 2;  /* TGSI_SWIZZLE_x */
 609    unsigned Negate   : 1;  /* BOOL */
 610    unsigned Padding  : 7;
 611 };
 612
 613 /**
 614  * File specifies the register array to access.
 615  *
 616  * Index specifies the element number of a register in the register file.
 617  *
 618  * If Indirect is TRUE, Index should be offset by the X component of the indirect
 619  * register that follows. The register can be now fetched into local storage
 620  * for further processing.
 621  *
 622  * If Negate is TRUE, all components of the fetched register are negated.
 623  *
 624  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 625  * SwizzleZ and SwizzleW.
 626  *
 627  */
 628
 629 struct tgsi_src_register
 630 {
 631    unsigned File        : 4;  /* TGSI_FILE_ */
 632    unsigned Indirect    : 1;  /* BOOL */
 633    unsigned Dimension   : 1;  /* BOOL */
 634    int      Index       : 16; /* SINT */
 635    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 636    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 637    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 638    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 639    unsigned Absolute    : 1;    /* BOOL */
 640    unsigned Negate      : 1;    /* BOOL */
 641 };
 642
 643 /**
 644  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
 645  *
 646  * File, Index and Swizzle are handled the same as in tgsi_src_register.
 647  *
 648  * If ArrayID is zero the whole register file might be is indirectly addressed,
 649  * if not only the Declaration with this ArrayID is accessed by this operand.
 650  *
 651  */
 652
 653 struct tgsi_ind_register
 654 {
 655    unsigned File    : 4;  /* TGSI_FILE_ */
 656    int      Index   : 16; /* SINT */
 657    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
 658    unsigned ArrayID : 10; /* UINT */
 659 };
 660
 661 /**
 662  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 663  */
 664
 665 struct tgsi_dimension
 666 {
 667    unsigned Indirect    : 1;  /* BOOL */
 668    unsigned Dimension   : 1;  /* BOOL */
 669    unsigned Padding     : 14;
 670    int      Index       : 16; /* SINT */
 671 };
 672
 673 struct tgsi_dst_register
 674 {
 675    unsigned File        : 4;  /* TGSI_FILE_ */
 676    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 677    unsigned Indirect    : 1;  /* BOOL */
 678    unsigned Dimension   : 1;  /* BOOL */
 679    int      Index       : 16; /* SINT */
 680    unsigned Padding     : 6;
 681 };
 682
 683
 684 #ifdef __cplusplus
 685 }
 686 #endif
 687
 688 #endif /* P_SHADER_TOKENS_H */