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_VERTEXID_NOBASE 28
 180 #define TGSI_SEMANTIC_BASEVERTEX 29
 181 #define TGSI_SEMANTIC_COUNT      30 /**< number of semantic values */
 182
 183 struct tgsi_declaration_semantic
 184 {
 185    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
 186    unsigned Index          : 16; /**< UINT */
 187    unsigned Padding        : 8;
 188 };
 189
 190 struct tgsi_declaration_resource {
 191    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 192    unsigned Raw         : 1;
 193    unsigned Writable    : 1;
 194    unsigned Padding     : 22;
 195 };
 196
 197 enum tgsi_return_type {
 198    TGSI_RETURN_TYPE_UNORM = 0,
 199    TGSI_RETURN_TYPE_SNORM,
 200    TGSI_RETURN_TYPE_SINT,
 201    TGSI_RETURN_TYPE_UINT,
 202    TGSI_RETURN_TYPE_FLOAT,
 203    TGSI_RETURN_TYPE_COUNT
 204 };
 205
 206 struct tgsi_declaration_sampler_view {
 207    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 208    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
 209    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
 210    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
 211    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
 212 };
 213
 214 struct tgsi_declaration_array {
 215    unsigned ArrayID : 10;
 216    unsigned Padding : 22;
 217 };
 218
 219 /*
 220  * Special resources that don't need to be declared.  They map to the
 221  * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
 222  */
 223 #define TGSI_RESOURCE_GLOBAL    0x7fff
 224 #define TGSI_RESOURCE_LOCAL     0x7ffe
 225 #define TGSI_RESOURCE_PRIVATE   0x7ffd
 226 #define TGSI_RESOURCE_INPUT     0x7ffc
 227
 228 #define TGSI_IMM_FLOAT32   0
 229 #define TGSI_IMM_UINT32    1
 230 #define TGSI_IMM_INT32     2
 231 #define TGSI_IMM_FLOAT64   3
 232
 233 struct tgsi_immediate
 234 {
 235    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
 236    unsigned NrTokens   : 14; /**< UINT */
 237    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
 238    unsigned Padding    : 10;
 239 };
 240
 241 union tgsi_immediate_data
 242 {
 243    float Float;
 244    unsigned Uint;
 245    int Int;
 246 };
 247
 248 #define TGSI_PROPERTY_GS_INPUT_PRIM          0
 249 #define TGSI_PROPERTY_GS_OUTPUT_PRIM         1
 250 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
 251 #define TGSI_PROPERTY_FS_COORD_ORIGIN        3
 252 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER  4
 253 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
 254 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT        6
 255 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS       7
 256 #define TGSI_PROPERTY_GS_INVOCATIONS         8
 257 #define TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION 9
 258 #define TGSI_PROPERTY_COUNT                  10
 259
 260 struct tgsi_property {
 261    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
 262    unsigned NrTokens     : 8;  /**< UINT */
 263    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
 264    unsigned Padding      : 12;
 265 };
 266
 267 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
 268 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
 269
 270 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
 271 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
 272
 273 #define TGSI_FS_DEPTH_LAYOUT_NONE         0
 274 #define TGSI_FS_DEPTH_LAYOUT_ANY          1
 275 #define TGSI_FS_DEPTH_LAYOUT_GREATER      2
 276 #define TGSI_FS_DEPTH_LAYOUT_LESS         3
 277 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED    4
 278
 279
 280 struct tgsi_property_data {
 281    unsigned Data;
 282 };
 283
 284 /* TGSI opcodes.
 285  *
 286  * For more information on semantics of opcodes and
 287  * which APIs are known to use which opcodes, see
 288  * gallium/docs/source/tgsi.rst
 289  */
 290 #define TGSI_OPCODE_ARL                 0
 291 #define TGSI_OPCODE_MOV                 1
 292 #define TGSI_OPCODE_LIT                 2
 293 #define TGSI_OPCODE_RCP                 3
 294 #define TGSI_OPCODE_RSQ                 4
 295 #define TGSI_OPCODE_EXP                 5
 296 #define TGSI_OPCODE_LOG                 6
 297 #define TGSI_OPCODE_MUL                 7
 298 #define TGSI_OPCODE_ADD                 8
 299 #define TGSI_OPCODE_DP3                 9
 300 #define TGSI_OPCODE_DP4                 10
 301 #define TGSI_OPCODE_DST                 11
 302 #define TGSI_OPCODE_MIN                 12
 303 #define TGSI_OPCODE_MAX                 13
 304 #define TGSI_OPCODE_SLT                 14
 305 #define TGSI_OPCODE_SGE                 15
 306 #define TGSI_OPCODE_MAD                 16
 307 #define TGSI_OPCODE_SUB                 17
 308 #define TGSI_OPCODE_LRP                 18
 309                                 /* gap */
 310 #define TGSI_OPCODE_SQRT                20
 311 #define TGSI_OPCODE_DP2A                21
 312                                 /* gap */
 313 #define TGSI_OPCODE_FRC                 24
 314 #define TGSI_OPCODE_CLAMP               25
 315 #define TGSI_OPCODE_FLR                 26
 316 #define TGSI_OPCODE_ROUND               27
 317 #define TGSI_OPCODE_EX2                 28
 318 #define TGSI_OPCODE_LG2                 29
 319 #define TGSI_OPCODE_POW                 30
 320 #define TGSI_OPCODE_XPD                 31
 321                                 /* gap */
 322 #define TGSI_OPCODE_ABS                 33
 323                                 /* gap */
 324 #define TGSI_OPCODE_DPH                 35
 325 #define TGSI_OPCODE_COS                 36
 326 #define TGSI_OPCODE_DDX                 37
 327 #define TGSI_OPCODE_DDY                 38
 328 #define TGSI_OPCODE_KILL                39 /* unconditional */
 329 #define TGSI_OPCODE_PK2H                40
 330 #define TGSI_OPCODE_PK2US               41
 331 #define TGSI_OPCODE_PK4B                42
 332 #define TGSI_OPCODE_PK4UB               43
 333                                 /* gap */
 334 #define TGSI_OPCODE_SEQ                 45
 335                                 /* gap */
 336 #define TGSI_OPCODE_SGT                 47
 337 #define TGSI_OPCODE_SIN                 48
 338 #define TGSI_OPCODE_SLE                 49
 339 #define TGSI_OPCODE_SNE                 50
 340                                 /* gap */
 341 #define TGSI_OPCODE_TEX                 52
 342 #define TGSI_OPCODE_TXD                 53
 343 #define TGSI_OPCODE_TXP                 54
 344 #define TGSI_OPCODE_UP2H                55
 345 #define TGSI_OPCODE_UP2US               56
 346 #define TGSI_OPCODE_UP4B                57
 347 #define TGSI_OPCODE_UP4UB               58
 348                                 /* gap */
 349 #define TGSI_OPCODE_ARR                 61
 350                                 /* gap */
 351 #define TGSI_OPCODE_CAL                 63
 352 #define TGSI_OPCODE_RET                 64
 353 #define TGSI_OPCODE_SSG                 65 /* SGN */
 354 #define TGSI_OPCODE_CMP                 66
 355 #define TGSI_OPCODE_SCS                 67
 356 #define TGSI_OPCODE_TXB                 68
 357                                 /* gap */
 358 #define TGSI_OPCODE_DIV                 70
 359 #define TGSI_OPCODE_DP2                 71
 360 #define TGSI_OPCODE_TXL                 72
 361 #define TGSI_OPCODE_BRK                 73
 362 #define TGSI_OPCODE_IF                  74
 363 #define TGSI_OPCODE_UIF                 75
 364 #define TGSI_OPCODE_ELSE                77
 365 #define TGSI_OPCODE_ENDIF               78
 366
 367 #define TGSI_OPCODE_DDX_FINE            79
 368 #define TGSI_OPCODE_DDY_FINE            80
 369
 370 #define TGSI_OPCODE_PUSHA               81
 371 #define TGSI_OPCODE_POPA                82
 372 #define TGSI_OPCODE_CEIL                83
 373 #define TGSI_OPCODE_I2F                 84
 374 #define TGSI_OPCODE_NOT                 85
 375 #define TGSI_OPCODE_TRUNC               86
 376 #define TGSI_OPCODE_SHL                 87
 377                                 /* gap */
 378 #define TGSI_OPCODE_AND                 89
 379 #define TGSI_OPCODE_OR                  90
 380 #define TGSI_OPCODE_MOD                 91
 381 #define TGSI_OPCODE_XOR                 92
 382 #define TGSI_OPCODE_SAD                 93
 383 #define TGSI_OPCODE_TXF                 94
 384 #define TGSI_OPCODE_TXQ                 95
 385 #define TGSI_OPCODE_CONT                96
 386 #define TGSI_OPCODE_EMIT                97
 387 #define TGSI_OPCODE_ENDPRIM             98
 388 #define TGSI_OPCODE_BGNLOOP             99
 389 #define TGSI_OPCODE_BGNSUB              100
 390 #define TGSI_OPCODE_ENDLOOP             101
 391 #define TGSI_OPCODE_ENDSUB              102
 392 #define TGSI_OPCODE_TXQ_LZ              103 /* TXQ for mipmap level 0 */
 393                                 /* gap */
 394 #define TGSI_OPCODE_NOP                 107
 395
 396 #define TGSI_OPCODE_FSEQ                108
 397 #define TGSI_OPCODE_FSGE                109
 398 #define TGSI_OPCODE_FSLT                110
 399 #define TGSI_OPCODE_FSNE                111
 400
 401                                 /* gap */
 402 #define TGSI_OPCODE_CALLNZ              113
 403                                 /* gap */
 404 #define TGSI_OPCODE_BREAKC              115
 405 #define TGSI_OPCODE_KILL_IF             116  /* conditional kill */
 406 #define TGSI_OPCODE_END                 117  /* aka HALT */
 407                                 /* gap */
 408 #define TGSI_OPCODE_F2I                 119
 409 #define TGSI_OPCODE_IDIV                120
 410 #define TGSI_OPCODE_IMAX                121
 411 #define TGSI_OPCODE_IMIN                122
 412 #define TGSI_OPCODE_INEG                123
 413 #define TGSI_OPCODE_ISGE                124
 414 #define TGSI_OPCODE_ISHR                125
 415 #define TGSI_OPCODE_ISLT                126
 416 #define TGSI_OPCODE_F2U                 127
 417 #define TGSI_OPCODE_U2F                 128
 418 #define TGSI_OPCODE_UADD                129
 419 #define TGSI_OPCODE_UDIV                130
 420 #define TGSI_OPCODE_UMAD                131
 421 #define TGSI_OPCODE_UMAX                132
 422 #define TGSI_OPCODE_UMIN                133
 423 #define TGSI_OPCODE_UMOD                134
 424 #define TGSI_OPCODE_UMUL                135
 425 #define TGSI_OPCODE_USEQ                136
 426 #define TGSI_OPCODE_USGE                137
 427 #define TGSI_OPCODE_USHR                138
 428 #define TGSI_OPCODE_USLT                139
 429 #define TGSI_OPCODE_USNE                140
 430 #define TGSI_OPCODE_SWITCH              141
 431 #define TGSI_OPCODE_CASE                142
 432 #define TGSI_OPCODE_DEFAULT             143
 433 #define TGSI_OPCODE_ENDSWITCH           144
 434
 435 /* resource related opcodes */
 436 #define TGSI_OPCODE_SAMPLE              145
 437 #define TGSI_OPCODE_SAMPLE_I            146
 438 #define TGSI_OPCODE_SAMPLE_I_MS         147
 439 #define TGSI_OPCODE_SAMPLE_B            148
 440 #define TGSI_OPCODE_SAMPLE_C            149
 441 #define TGSI_OPCODE_SAMPLE_C_LZ         150
 442 #define TGSI_OPCODE_SAMPLE_D            151
 443 #define TGSI_OPCODE_SAMPLE_L            152
 444 #define TGSI_OPCODE_GATHER4             153
 445 #define TGSI_OPCODE_SVIEWINFO           154
 446 #define TGSI_OPCODE_SAMPLE_POS          155
 447 #define TGSI_OPCODE_SAMPLE_INFO         156
 448
 449 #define TGSI_OPCODE_UARL                157
 450 #define TGSI_OPCODE_UCMP                158
 451 #define TGSI_OPCODE_IABS                159
 452 #define TGSI_OPCODE_ISSG                160
 453
 454 #define TGSI_OPCODE_LOAD                161
 455 #define TGSI_OPCODE_STORE               162
 456
 457 #define TGSI_OPCODE_MFENCE              163
 458 #define TGSI_OPCODE_LFENCE              164
 459 #define TGSI_OPCODE_SFENCE              165
 460 #define TGSI_OPCODE_BARRIER             166
 461
 462 #define TGSI_OPCODE_ATOMUADD            167
 463 #define TGSI_OPCODE_ATOMXCHG            168
 464 #define TGSI_OPCODE_ATOMCAS             169
 465 #define TGSI_OPCODE_ATOMAND             170
 466 #define TGSI_OPCODE_ATOMOR              171
 467 #define TGSI_OPCODE_ATOMXOR             172
 468 #define TGSI_OPCODE_ATOMUMIN            173
 469 #define TGSI_OPCODE_ATOMUMAX            174
 470 #define TGSI_OPCODE_ATOMIMIN            175
 471 #define TGSI_OPCODE_ATOMIMAX            176
 472
 473 /* to be used for shadow cube map compares */
 474 #define TGSI_OPCODE_TEX2                177
 475 #define TGSI_OPCODE_TXB2                178
 476 #define TGSI_OPCODE_TXL2                179
 477
 478 #define TGSI_OPCODE_IMUL_HI             180
 479 #define TGSI_OPCODE_UMUL_HI             181
 480
 481 #define TGSI_OPCODE_TG4                 182
 482
 483 #define TGSI_OPCODE_LODQ                183
 484
 485 #define TGSI_OPCODE_IBFE                184
 486 #define TGSI_OPCODE_UBFE                185
 487 #define TGSI_OPCODE_BFI                 186
 488 #define TGSI_OPCODE_BREV                187
 489 #define TGSI_OPCODE_POPC                188
 490 #define TGSI_OPCODE_LSB                 189
 491 #define TGSI_OPCODE_IMSB                190
 492 #define TGSI_OPCODE_UMSB                191
 493
 494 #define TGSI_OPCODE_INTERP_CENTROID     192
 495 #define TGSI_OPCODE_INTERP_SAMPLE       193
 496 #define TGSI_OPCODE_INTERP_OFFSET       194
 497
 498 /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
 499 #define TGSI_OPCODE_F2D                 195 /* SM5 */
 500 #define TGSI_OPCODE_D2F                 196
 501 #define TGSI_OPCODE_DABS                197
 502 #define TGSI_OPCODE_DNEG                198 /* SM5 */
 503 #define TGSI_OPCODE_DADD                199 /* SM5 */
 504 #define TGSI_OPCODE_DMUL                200 /* SM5 */
 505 #define TGSI_OPCODE_DMAX                201 /* SM5 */
 506 #define TGSI_OPCODE_DMIN                202 /* SM5 */
 507 #define TGSI_OPCODE_DSLT                203 /* SM5 */
 508 #define TGSI_OPCODE_DSGE                204 /* SM5 */
 509 #define TGSI_OPCODE_DSEQ                205 /* SM5 */
 510 #define TGSI_OPCODE_DSNE                206 /* SM5 */
 511 #define TGSI_OPCODE_DRCP                207 /* eg, cayman */
 512 #define TGSI_OPCODE_DSQRT               208 /* eg, cayman also has DRSQ */
 513 #define TGSI_OPCODE_DMAD                209 /* DFMA? */
 514 #define TGSI_OPCODE_DFRAC               210 /* eg, cayman */
 515 #define TGSI_OPCODE_DLDEXP              211 /* eg, cayman */
 516 #define TGSI_OPCODE_DFRACEXP            212 /* eg, cayman */
 517 #define TGSI_OPCODE_D2I                 213
 518 #define TGSI_OPCODE_I2D                 214
 519 #define TGSI_OPCODE_D2U                 215
 520 #define TGSI_OPCODE_U2D                 216
 521 #define TGSI_OPCODE_DRSQ                217 /* eg, cayman also has DRSQ */
 522 #define TGSI_OPCODE_DTRUNC              218 /* nvc0 */
 523 #define TGSI_OPCODE_DCEIL               219 /* nvc0 */
 524 #define TGSI_OPCODE_DFLR                220 /* nvc0 */
 525 #define TGSI_OPCODE_DROUND              221 /* nvc0 */
 526 #define TGSI_OPCODE_DSSG                222
 527 #define TGSI_OPCODE_LAST                223
 528
 529 #define TGSI_SAT_NONE            0  /* do not saturate */
 530 #define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
 531 #define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
 532
 533 /**
 534  * Opcode is the operation code to execute. A given operation defines the
 535  * semantics how the source registers (if any) are interpreted and what is
 536  * written to the destination registers (if any) as a result of execution.
 537  *
 538  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 539  * respectively. For a given operation code, those numbers are fixed and are
 540  * present here only for convenience.
 541  *
 542  * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
 543  *
 544  * Saturate controls how are final results in destination registers modified.
 545  */
 546
 547 struct tgsi_instruction
 548 {
 549    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 550    unsigned NrTokens   : 8;  /* UINT */
 551    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 552    unsigned Saturate   : 2;  /* TGSI_SAT_ */
 553    unsigned NumDstRegs : 2;  /* UINT */
 554    unsigned NumSrcRegs : 4;  /* UINT */
 555    unsigned Predicate  : 1;  /* BOOL */
 556    unsigned Label      : 1;
 557    unsigned Texture    : 1;
 558    unsigned Padding    : 1;
 559 };
 560
 561 /*
 562  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
 563  *
 564  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
 565  *   if texture instruction has a number of offsets,
 566  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
 567  *
 568  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 569  *
 570  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 571  *
 572  * tgsi_instruction::NrTokens contains the total number of words that make the
 573  * instruction, including the instruction word.
 574  */
 575
 576 #define TGSI_SWIZZLE_X      0
 577 #define TGSI_SWIZZLE_Y      1
 578 #define TGSI_SWIZZLE_Z      2
 579 #define TGSI_SWIZZLE_W      3
 580
 581 struct tgsi_instruction_label
 582 {
 583    unsigned Label    : 24;   /* UINT */
 584    unsigned Padding  : 8;
 585 };
 586
 587 #define TGSI_TEXTURE_BUFFER         0
 588 #define TGSI_TEXTURE_1D             1
 589 #define TGSI_TEXTURE_2D             2
 590 #define TGSI_TEXTURE_3D             3
 591 #define TGSI_TEXTURE_CUBE           4
 592 #define TGSI_TEXTURE_RECT           5
 593 #define TGSI_TEXTURE_SHADOW1D       6
 594 #define TGSI_TEXTURE_SHADOW2D       7
 595 #define TGSI_TEXTURE_SHADOWRECT     8
 596 #define TGSI_TEXTURE_1D_ARRAY       9
 597 #define TGSI_TEXTURE_2D_ARRAY       10
 598 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
 599 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
 600 #define TGSI_TEXTURE_SHADOWCUBE     13
 601 #define TGSI_TEXTURE_2D_MSAA        14
 602 #define TGSI_TEXTURE_2D_ARRAY_MSAA  15
 603 #define TGSI_TEXTURE_CUBE_ARRAY     16
 604 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
 605 #define TGSI_TEXTURE_UNKNOWN        18
 606 #define TGSI_TEXTURE_COUNT          19
 607
 608 struct tgsi_instruction_texture
 609 {
 610    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 611    unsigned NumOffsets : 4;
 612    unsigned Padding : 20;
 613 };
 614
 615 /* for texture offsets in GLSL and DirectX.
 616  * Generally these always come from TGSI_FILE_IMMEDIATE,
 617  * however DX11 appears to have the capability to do
 618  * non-constant texture offsets.
 619  */
 620 struct tgsi_texture_offset
 621 {
 622    int      Index    : 16;
 623    unsigned File     : 4;  /**< one of TGSI_FILE_x */
 624    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 625    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 626    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 627    unsigned Padding  : 6;
 628 };
 629
 630 /*
 631  * For SM3, the following constraint applies.
 632  *   - Swizzle is either set to identity or replicate.
 633  */
 634 struct tgsi_instruction_predicate
 635 {
 636    int      Index    : 16; /* SINT */
 637    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 638    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 639    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 640    unsigned SwizzleW : 2;  /* TGSI_SWIZZLE_x */
 641    unsigned Negate   : 1;  /* BOOL */
 642    unsigned Padding  : 7;
 643 };
 644
 645 /**
 646  * File specifies the register array to access.
 647  *
 648  * Index specifies the element number of a register in the register file.
 649  *
 650  * If Indirect is TRUE, Index should be offset by the X component of the indirect
 651  * register that follows. The register can be now fetched into local storage
 652  * for further processing.
 653  *
 654  * If Negate is TRUE, all components of the fetched register are negated.
 655  *
 656  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 657  * SwizzleZ and SwizzleW.
 658  *
 659  */
 660
 661 struct tgsi_src_register
 662 {
 663    unsigned File        : 4;  /* TGSI_FILE_ */
 664    unsigned Indirect    : 1;  /* BOOL */
 665    unsigned Dimension   : 1;  /* BOOL */
 666    int      Index       : 16; /* SINT */
 667    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 668    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 669    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 670    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 671    unsigned Absolute    : 1;    /* BOOL */
 672    unsigned Negate      : 1;    /* BOOL */
 673 };
 674
 675 /**
 676  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
 677  *
 678  * File, Index and Swizzle are handled the same as in tgsi_src_register.
 679  *
 680  * If ArrayID is zero the whole register file might be is indirectly addressed,
 681  * if not only the Declaration with this ArrayID is accessed by this operand.
 682  *
 683  */
 684
 685 struct tgsi_ind_register
 686 {
 687    unsigned File    : 4;  /* TGSI_FILE_ */
 688    int      Index   : 16; /* SINT */
 689    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
 690    unsigned ArrayID : 10; /* UINT */
 691 };
 692
 693 /**
 694  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 695  */
 696
 697 struct tgsi_dimension
 698 {
 699    unsigned Indirect    : 1;  /* BOOL */
 700    unsigned Dimension   : 1;  /* BOOL */
 701    unsigned Padding     : 14;
 702    int      Index       : 16; /* SINT */
 703 };
 704
 705 struct tgsi_dst_register
 706 {
 707    unsigned File        : 4;  /* TGSI_FILE_ */
 708    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 709    unsigned Indirect    : 1;  /* BOOL */
 710    unsigned Dimension   : 1;  /* BOOL */
 711    int      Index       : 16; /* SINT */
 712    unsigned Padding     : 6;
 713 };
 714
 715
 716 #ifdef __cplusplus
 717 }
 718 #endif
 719
 720 #endif /* P_SHADER_TOKENS_H */