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 struct tgsi_processor
  44 {
  45    unsigned Processor  : 4;  /* PIPE_SHADER_ */
  46    unsigned Padding    : 28;
  47 };
  48
  49 enum tgsi_token_type {
  50    TGSI_TOKEN_TYPE_DECLARATION,
  51    TGSI_TOKEN_TYPE_IMMEDIATE,
  52    TGSI_TOKEN_TYPE_INSTRUCTION,
  53    TGSI_TOKEN_TYPE_PROPERTY,
  54 };
  55
  56 struct tgsi_token
  57 {
  58    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_x */
  59    unsigned NrTokens   : 8;  /**< UINT */
  60    unsigned Padding    : 20;
  61 };
  62
  63 enum tgsi_file_type {
  64    TGSI_FILE_NULL,
  65    TGSI_FILE_CONSTANT,
  66    TGSI_FILE_INPUT,
  67    TGSI_FILE_OUTPUT,
  68    TGSI_FILE_TEMPORARY,
  69    TGSI_FILE_SAMPLER,
  70    TGSI_FILE_ADDRESS,
  71    TGSI_FILE_IMMEDIATE,
  72    TGSI_FILE_PREDICATE,
  73    TGSI_FILE_SYSTEM_VALUE,
  74    TGSI_FILE_IMAGE,
  75    TGSI_FILE_SAMPLER_VIEW,
  76    TGSI_FILE_BUFFER,
  77    TGSI_FILE_MEMORY,
  78    TGSI_FILE_COUNT,      /**< how many TGSI_FILE_ types */
  79 };
  80
  81
  82 #define TGSI_WRITEMASK_NONE     0x00
  83 #define TGSI_WRITEMASK_X        0x01
  84 #define TGSI_WRITEMASK_Y        0x02
  85 #define TGSI_WRITEMASK_XY       0x03
  86 #define TGSI_WRITEMASK_Z        0x04
  87 #define TGSI_WRITEMASK_XZ       0x05
  88 #define TGSI_WRITEMASK_YZ       0x06
  89 #define TGSI_WRITEMASK_XYZ      0x07
  90 #define TGSI_WRITEMASK_W        0x08
  91 #define TGSI_WRITEMASK_XW       0x09
  92 #define TGSI_WRITEMASK_YW       0x0A
  93 #define TGSI_WRITEMASK_XYW      0x0B
  94 #define TGSI_WRITEMASK_ZW       0x0C
  95 #define TGSI_WRITEMASK_XZW      0x0D
  96 #define TGSI_WRITEMASK_YZW      0x0E
  97 #define TGSI_WRITEMASK_XYZW     0x0F
  98
  99 enum tgsi_interpolate_mode {
 100    TGSI_INTERPOLATE_CONSTANT,
 101    TGSI_INTERPOLATE_LINEAR,
 102    TGSI_INTERPOLATE_PERSPECTIVE,
 103    TGSI_INTERPOLATE_COLOR,          /* special color case for smooth/flat */
 104    TGSI_INTERPOLATE_COUNT,
 105 };
 106
 107 enum tgsi_interpolate_loc {
 108    TGSI_INTERPOLATE_LOC_CENTER,
 109    TGSI_INTERPOLATE_LOC_CENTROID,
 110    TGSI_INTERPOLATE_LOC_SAMPLE,
 111    TGSI_INTERPOLATE_LOC_COUNT,
 112 };
 113
 114 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
 115 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
 116 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
 117 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
 118
 119 enum tgsi_memory_type {
 120    TGSI_MEMORY_TYPE_GLOBAL,         /* OpenCL global              */
 121    TGSI_MEMORY_TYPE_SHARED,         /* OpenCL local / GLSL shared */
 122    TGSI_MEMORY_TYPE_PRIVATE,        /* OpenCL private             */
 123    TGSI_MEMORY_TYPE_INPUT,          /* OpenCL kernel input params */
 124    TGSI_MEMORY_TYPE_COUNT,
 125 };
 126
 127 struct tgsi_declaration
 128 {
 129    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
 130    unsigned NrTokens    : 8;  /**< UINT */
 131    unsigned File        : 4;  /**< one of TGSI_FILE_x */
 132    unsigned UsageMask   : 4;  /**< bitmask of TGSI_WRITEMASK_x flags */
 133    unsigned Dimension   : 1;  /**< any extra dimension info? */
 134    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
 135    unsigned Interpolate : 1;  /**< any interpolation info? */
 136    unsigned Invariant   : 1;  /**< invariant optimization? */
 137    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
 138    unsigned Array       : 1;  /**< extra array info? */
 139    unsigned Atomic      : 1;  /**< atomic only? for TGSI_FILE_BUFFER */
 140    unsigned MemType     : 2;  /**< TGSI_MEMORY_TYPE_x for TGSI_FILE_MEMORY */
 141    unsigned Padding     : 3;
 142 };
 143
 144 struct tgsi_declaration_range
 145 {
 146    unsigned First   : 16; /**< UINT */
 147    unsigned Last    : 16; /**< UINT */
 148 };
 149
 150 struct tgsi_declaration_dimension
 151 {
 152    unsigned Index2D:16; /**< UINT */
 153    unsigned Padding:16;
 154 };
 155
 156 struct tgsi_declaration_interp
 157 {
 158    unsigned Interpolate : 4;   /**< one of TGSI_INTERPOLATE_x */
 159    unsigned Location    : 2;   /**< one of TGSI_INTERPOLATE_LOC_x */
 160    unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
 161    unsigned Padding     : 22;
 162 };
 163
 164 enum tgsi_semantic {
 165    TGSI_SEMANTIC_POSITION,
 166    TGSI_SEMANTIC_COLOR,
 167    TGSI_SEMANTIC_BCOLOR,       /**< back-face color */
 168    TGSI_SEMANTIC_FOG,
 169    TGSI_SEMANTIC_PSIZE,
 170    TGSI_SEMANTIC_GENERIC,
 171    TGSI_SEMANTIC_NORMAL,
 172    TGSI_SEMANTIC_FACE,
 173    TGSI_SEMANTIC_EDGEFLAG,
 174    TGSI_SEMANTIC_PRIMID,
 175    TGSI_SEMANTIC_INSTANCEID,  /**< doesn't include start_instance */
 176    TGSI_SEMANTIC_VERTEXID,
 177    TGSI_SEMANTIC_STENCIL,
 178    TGSI_SEMANTIC_CLIPDIST,
 179    TGSI_SEMANTIC_CLIPVERTEX,
 180    TGSI_SEMANTIC_GRID_SIZE,   /**< grid size in blocks */
 181    TGSI_SEMANTIC_BLOCK_ID,    /**< id of the current block */
 182    TGSI_SEMANTIC_BLOCK_SIZE,  /**< block size in threads */
 183    TGSI_SEMANTIC_THREAD_ID,   /**< block-relative id of the current thread */
 184    TGSI_SEMANTIC_TEXCOORD,    /**< texture or sprite coordinates */
 185    TGSI_SEMANTIC_PCOORD,      /**< point sprite coordinate */
 186    TGSI_SEMANTIC_VIEWPORT_INDEX,  /**< viewport index */
 187    TGSI_SEMANTIC_LAYER,       /**< layer (rendertarget index) */
 188    TGSI_SEMANTIC_SAMPLEID,
 189    TGSI_SEMANTIC_SAMPLEPOS,
 190    TGSI_SEMANTIC_SAMPLEMASK,
 191    TGSI_SEMANTIC_INVOCATIONID,
 192    TGSI_SEMANTIC_VERTEXID_NOBASE,
 193    TGSI_SEMANTIC_BASEVERTEX,
 194    TGSI_SEMANTIC_PATCH,       /**< generic per-patch semantic */
 195    TGSI_SEMANTIC_TESSCOORD,   /**< coordinate being processed by tess */
 196    TGSI_SEMANTIC_TESSOUTER,   /**< outer tessellation levels */
 197    TGSI_SEMANTIC_TESSINNER,   /**< inner tessellation levels */
 198    TGSI_SEMANTIC_VERTICESIN,  /**< number of input vertices */
 199    TGSI_SEMANTIC_HELPER_INVOCATION,  /**< current invocation is helper */
 200    TGSI_SEMANTIC_BASEINSTANCE,
 201    TGSI_SEMANTIC_DRAWID,
 202    TGSI_SEMANTIC_COUNT,       /**< number of semantic values */
 203 };
 204
 205 struct tgsi_declaration_semantic
 206 {
 207    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
 208    unsigned Index          : 16; /**< UINT */
 209    unsigned Padding        : 8;
 210 };
 211
 212 struct tgsi_declaration_image {
 213    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 214    unsigned Raw         : 1;
 215    unsigned Writable    : 1;
 216    unsigned Format      : 10; /**< one of PIPE_FORMAT_ */
 217    unsigned Padding     : 12;
 218 };
 219
 220 enum tgsi_return_type {
 221    TGSI_RETURN_TYPE_UNORM = 0,
 222    TGSI_RETURN_TYPE_SNORM,
 223    TGSI_RETURN_TYPE_SINT,
 224    TGSI_RETURN_TYPE_UINT,
 225    TGSI_RETURN_TYPE_FLOAT,
 226    TGSI_RETURN_TYPE_COUNT
 227 };
 228
 229 struct tgsi_declaration_sampler_view {
 230    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 231    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
 232    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
 233    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
 234    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
 235 };
 236
 237 struct tgsi_declaration_array {
 238    unsigned ArrayID : 10;
 239    unsigned Padding : 22;
 240 };
 241
 242 enum tgsi_imm_type {
 243    TGSI_IMM_FLOAT32,
 244    TGSI_IMM_UINT32,
 245    TGSI_IMM_INT32,
 246    TGSI_IMM_FLOAT64,
 247 };
 248
 249 struct tgsi_immediate
 250 {
 251    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
 252    unsigned NrTokens   : 14; /**< UINT */
 253    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
 254    unsigned Padding    : 10;
 255 };
 256
 257 union tgsi_immediate_data
 258 {
 259    float Float;
 260    unsigned Uint;
 261    int Int;
 262 };
 263
 264 enum tgsi_property_name {
 265    TGSI_PROPERTY_GS_INPUT_PRIM,
 266    TGSI_PROPERTY_GS_OUTPUT_PRIM,
 267    TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES,
 268    TGSI_PROPERTY_FS_COORD_ORIGIN,
 269    TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
 270    TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS,
 271    TGSI_PROPERTY_FS_DEPTH_LAYOUT,
 272    TGSI_PROPERTY_VS_PROHIBIT_UCPS,
 273    TGSI_PROPERTY_GS_INVOCATIONS,
 274    TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION,
 275    TGSI_PROPERTY_TCS_VERTICES_OUT,
 276    TGSI_PROPERTY_TES_PRIM_MODE,
 277    TGSI_PROPERTY_TES_SPACING,
 278    TGSI_PROPERTY_TES_VERTEX_ORDER_CW,
 279    TGSI_PROPERTY_TES_POINT_MODE,
 280    TGSI_PROPERTY_NUM_CLIPDIST_ENABLED,
 281    TGSI_PROPERTY_NUM_CULLDIST_ENABLED,
 282    TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL,
 283    TGSI_PROPERTY_NEXT_SHADER,
 284    TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH,
 285    TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT,
 286    TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH,
 287    TGSI_PROPERTY_COUNT,
 288 };
 289
 290 struct tgsi_property {
 291    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
 292    unsigned NrTokens     : 8;  /**< UINT */
 293    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
 294    unsigned Padding      : 12;
 295 };
 296
 297 enum tgsi_fs_coord_origin {
 298    TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
 299    TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
 300 };
 301
 302 enum tgsi_fs_coord_pixcenter {
 303    TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
 304    TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
 305 };
 306
 307 enum tgsi_fs_depth_layout {
 308    TGSI_FS_DEPTH_LAYOUT_NONE,
 309    TGSI_FS_DEPTH_LAYOUT_ANY,
 310    TGSI_FS_DEPTH_LAYOUT_GREATER,
 311    TGSI_FS_DEPTH_LAYOUT_LESS,
 312    TGSI_FS_DEPTH_LAYOUT_UNCHANGED,
 313 };
 314
 315 struct tgsi_property_data {
 316    unsigned Data;
 317 };
 318
 319 /* TGSI opcodes.
 320  *
 321  * For more information on semantics of opcodes and
 322  * which APIs are known to use which opcodes, see
 323  * gallium/docs/source/tgsi.rst
 324  */
 325 #define TGSI_OPCODE_ARL                 0
 326 #define TGSI_OPCODE_MOV                 1
 327 #define TGSI_OPCODE_LIT                 2
 328 #define TGSI_OPCODE_RCP                 3
 329 #define TGSI_OPCODE_RSQ                 4
 330 #define TGSI_OPCODE_EXP                 5
 331 #define TGSI_OPCODE_LOG                 6
 332 #define TGSI_OPCODE_MUL                 7
 333 #define TGSI_OPCODE_ADD                 8
 334 #define TGSI_OPCODE_DP3                 9
 335 #define TGSI_OPCODE_DP4                 10
 336 #define TGSI_OPCODE_DST                 11
 337 #define TGSI_OPCODE_MIN                 12
 338 #define TGSI_OPCODE_MAX                 13
 339 #define TGSI_OPCODE_SLT                 14
 340 #define TGSI_OPCODE_SGE                 15
 341 #define TGSI_OPCODE_MAD                 16
 342 #define TGSI_OPCODE_SUB                 17
 343 #define TGSI_OPCODE_LRP                 18
 344 #define TGSI_OPCODE_FMA                 19
 345 #define TGSI_OPCODE_SQRT                20
 346 #define TGSI_OPCODE_DP2A                21
 347                                 /* gap */
 348 #define TGSI_OPCODE_FRC                 24
 349 #define TGSI_OPCODE_CLAMP               25
 350 #define TGSI_OPCODE_FLR                 26
 351 #define TGSI_OPCODE_ROUND               27
 352 #define TGSI_OPCODE_EX2                 28
 353 #define TGSI_OPCODE_LG2                 29
 354 #define TGSI_OPCODE_POW                 30
 355 #define TGSI_OPCODE_XPD                 31
 356                                 /* gap */
 357 #define TGSI_OPCODE_ABS                 33
 358                                 /* gap */
 359 #define TGSI_OPCODE_DPH                 35
 360 #define TGSI_OPCODE_COS                 36
 361 #define TGSI_OPCODE_DDX                 37
 362 #define TGSI_OPCODE_DDY                 38
 363 #define TGSI_OPCODE_KILL                39 /* unconditional */
 364 #define TGSI_OPCODE_PK2H                40
 365 #define TGSI_OPCODE_PK2US               41
 366 #define TGSI_OPCODE_PK4B                42
 367 #define TGSI_OPCODE_PK4UB               43
 368                                 /* gap */
 369 #define TGSI_OPCODE_SEQ                 45
 370                                 /* gap */
 371 #define TGSI_OPCODE_SGT                 47
 372 #define TGSI_OPCODE_SIN                 48
 373 #define TGSI_OPCODE_SLE                 49
 374 #define TGSI_OPCODE_SNE                 50
 375                                 /* gap */
 376 #define TGSI_OPCODE_TEX                 52
 377 #define TGSI_OPCODE_TXD                 53
 378 #define TGSI_OPCODE_TXP                 54
 379 #define TGSI_OPCODE_UP2H                55
 380 #define TGSI_OPCODE_UP2US               56
 381 #define TGSI_OPCODE_UP4B                57
 382 #define TGSI_OPCODE_UP4UB               58
 383                                 /* gap */
 384 #define TGSI_OPCODE_ARR                 61
 385                                 /* gap */
 386 #define TGSI_OPCODE_CAL                 63
 387 #define TGSI_OPCODE_RET                 64
 388 #define TGSI_OPCODE_SSG                 65 /* SGN */
 389 #define TGSI_OPCODE_CMP                 66
 390 #define TGSI_OPCODE_SCS                 67
 391 #define TGSI_OPCODE_TXB                 68
 392                                 /* gap */
 393 #define TGSI_OPCODE_DIV                 70
 394 #define TGSI_OPCODE_DP2                 71
 395 #define TGSI_OPCODE_TXL                 72
 396 #define TGSI_OPCODE_BRK                 73
 397 #define TGSI_OPCODE_IF                  74
 398 #define TGSI_OPCODE_UIF                 75
 399 #define TGSI_OPCODE_ELSE                77
 400 #define TGSI_OPCODE_ENDIF               78
 401
 402 #define TGSI_OPCODE_DDX_FINE            79
 403 #define TGSI_OPCODE_DDY_FINE            80
 404
 405 #define TGSI_OPCODE_PUSHA               81
 406 #define TGSI_OPCODE_POPA                82
 407 #define TGSI_OPCODE_CEIL                83
 408 #define TGSI_OPCODE_I2F                 84
 409 #define TGSI_OPCODE_NOT                 85
 410 #define TGSI_OPCODE_TRUNC               86
 411 #define TGSI_OPCODE_SHL                 87
 412                                 /* gap */
 413 #define TGSI_OPCODE_AND                 89
 414 #define TGSI_OPCODE_OR                  90
 415 #define TGSI_OPCODE_MOD                 91
 416 #define TGSI_OPCODE_XOR                 92
 417 #define TGSI_OPCODE_SAD                 93
 418 #define TGSI_OPCODE_TXF                 94
 419 #define TGSI_OPCODE_TXQ                 95
 420 #define TGSI_OPCODE_CONT                96
 421 #define TGSI_OPCODE_EMIT                97
 422 #define TGSI_OPCODE_ENDPRIM             98
 423 #define TGSI_OPCODE_BGNLOOP             99
 424 #define TGSI_OPCODE_BGNSUB              100
 425 #define TGSI_OPCODE_ENDLOOP             101
 426 #define TGSI_OPCODE_ENDSUB              102
 427 #define TGSI_OPCODE_TXQ_LZ              103 /* TXQ for mipmap level 0 */
 428 #define TGSI_OPCODE_TXQS                104
 429 #define TGSI_OPCODE_RESQ                105
 430                                 /* gap */
 431 #define TGSI_OPCODE_NOP                 107
 432
 433 #define TGSI_OPCODE_FSEQ                108
 434 #define TGSI_OPCODE_FSGE                109
 435 #define TGSI_OPCODE_FSLT                110
 436 #define TGSI_OPCODE_FSNE                111
 437
 438 #define TGSI_OPCODE_MEMBAR              112
 439 #define TGSI_OPCODE_CALLNZ              113
 440                                 /* gap */
 441 #define TGSI_OPCODE_BREAKC              115
 442 #define TGSI_OPCODE_KILL_IF             116  /* conditional kill */
 443 #define TGSI_OPCODE_END                 117  /* aka HALT */
 444 #define TGSI_OPCODE_DFMA                118
 445 #define TGSI_OPCODE_F2I                 119
 446 #define TGSI_OPCODE_IDIV                120
 447 #define TGSI_OPCODE_IMAX                121
 448 #define TGSI_OPCODE_IMIN                122
 449 #define TGSI_OPCODE_INEG                123
 450 #define TGSI_OPCODE_ISGE                124
 451 #define TGSI_OPCODE_ISHR                125
 452 #define TGSI_OPCODE_ISLT                126
 453 #define TGSI_OPCODE_F2U                 127
 454 #define TGSI_OPCODE_U2F                 128
 455 #define TGSI_OPCODE_UADD                129
 456 #define TGSI_OPCODE_UDIV                130
 457 #define TGSI_OPCODE_UMAD                131
 458 #define TGSI_OPCODE_UMAX                132
 459 #define TGSI_OPCODE_UMIN                133
 460 #define TGSI_OPCODE_UMOD                134
 461 #define TGSI_OPCODE_UMUL                135
 462 #define TGSI_OPCODE_USEQ                136
 463 #define TGSI_OPCODE_USGE                137
 464 #define TGSI_OPCODE_USHR                138
 465 #define TGSI_OPCODE_USLT                139
 466 #define TGSI_OPCODE_USNE                140
 467 #define TGSI_OPCODE_SWITCH              141
 468 #define TGSI_OPCODE_CASE                142
 469 #define TGSI_OPCODE_DEFAULT             143
 470 #define TGSI_OPCODE_ENDSWITCH           144
 471
 472 /* resource related opcodes */
 473 #define TGSI_OPCODE_SAMPLE              145
 474 #define TGSI_OPCODE_SAMPLE_I            146
 475 #define TGSI_OPCODE_SAMPLE_I_MS         147
 476 #define TGSI_OPCODE_SAMPLE_B            148
 477 #define TGSI_OPCODE_SAMPLE_C            149
 478 #define TGSI_OPCODE_SAMPLE_C_LZ         150
 479 #define TGSI_OPCODE_SAMPLE_D            151
 480 #define TGSI_OPCODE_SAMPLE_L            152
 481 #define TGSI_OPCODE_GATHER4             153
 482 #define TGSI_OPCODE_SVIEWINFO           154
 483 #define TGSI_OPCODE_SAMPLE_POS          155
 484 #define TGSI_OPCODE_SAMPLE_INFO         156
 485
 486 #define TGSI_OPCODE_UARL                157
 487 #define TGSI_OPCODE_UCMP                158
 488 #define TGSI_OPCODE_IABS                159
 489 #define TGSI_OPCODE_ISSG                160
 490
 491 #define TGSI_OPCODE_LOAD                161
 492 #define TGSI_OPCODE_STORE               162
 493
 494 #define TGSI_OPCODE_MFENCE              163
 495 #define TGSI_OPCODE_LFENCE              164
 496 #define TGSI_OPCODE_SFENCE              165
 497 #define TGSI_OPCODE_BARRIER             166
 498
 499 #define TGSI_OPCODE_ATOMUADD            167
 500 #define TGSI_OPCODE_ATOMXCHG            168
 501 #define TGSI_OPCODE_ATOMCAS             169
 502 #define TGSI_OPCODE_ATOMAND             170
 503 #define TGSI_OPCODE_ATOMOR              171
 504 #define TGSI_OPCODE_ATOMXOR             172
 505 #define TGSI_OPCODE_ATOMUMIN            173
 506 #define TGSI_OPCODE_ATOMUMAX            174
 507 #define TGSI_OPCODE_ATOMIMIN            175
 508 #define TGSI_OPCODE_ATOMIMAX            176
 509
 510 /* to be used for shadow cube map compares */
 511 #define TGSI_OPCODE_TEX2                177
 512 #define TGSI_OPCODE_TXB2                178
 513 #define TGSI_OPCODE_TXL2                179
 514
 515 #define TGSI_OPCODE_IMUL_HI             180
 516 #define TGSI_OPCODE_UMUL_HI             181
 517
 518 #define TGSI_OPCODE_TG4                 182
 519
 520 #define TGSI_OPCODE_LODQ                183
 521
 522 #define TGSI_OPCODE_IBFE                184
 523 #define TGSI_OPCODE_UBFE                185
 524 #define TGSI_OPCODE_BFI                 186
 525 #define TGSI_OPCODE_BREV                187
 526 #define TGSI_OPCODE_POPC                188
 527 #define TGSI_OPCODE_LSB                 189
 528 #define TGSI_OPCODE_IMSB                190
 529 #define TGSI_OPCODE_UMSB                191
 530
 531 #define TGSI_OPCODE_INTERP_CENTROID     192
 532 #define TGSI_OPCODE_INTERP_SAMPLE       193
 533 #define TGSI_OPCODE_INTERP_OFFSET       194
 534
 535 /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
 536 #define TGSI_OPCODE_F2D                 195 /* SM5 */
 537 #define TGSI_OPCODE_D2F                 196
 538 #define TGSI_OPCODE_DABS                197
 539 #define TGSI_OPCODE_DNEG                198 /* SM5 */
 540 #define TGSI_OPCODE_DADD                199 /* SM5 */
 541 #define TGSI_OPCODE_DMUL                200 /* SM5 */
 542 #define TGSI_OPCODE_DMAX                201 /* SM5 */
 543 #define TGSI_OPCODE_DMIN                202 /* SM5 */
 544 #define TGSI_OPCODE_DSLT                203 /* SM5 */
 545 #define TGSI_OPCODE_DSGE                204 /* SM5 */
 546 #define TGSI_OPCODE_DSEQ                205 /* SM5 */
 547 #define TGSI_OPCODE_DSNE                206 /* SM5 */
 548 #define TGSI_OPCODE_DRCP                207 /* eg, cayman */
 549 #define TGSI_OPCODE_DSQRT               208 /* eg, cayman also has DRSQ */
 550 #define TGSI_OPCODE_DMAD                209
 551 #define TGSI_OPCODE_DFRAC               210 /* eg, cayman */
 552 #define TGSI_OPCODE_DLDEXP              211 /* eg, cayman */
 553 #define TGSI_OPCODE_DFRACEXP            212 /* eg, cayman */
 554 #define TGSI_OPCODE_D2I                 213
 555 #define TGSI_OPCODE_I2D                 214
 556 #define TGSI_OPCODE_D2U                 215
 557 #define TGSI_OPCODE_U2D                 216
 558 #define TGSI_OPCODE_DRSQ                217 /* eg, cayman also has DRSQ */
 559 #define TGSI_OPCODE_DTRUNC              218 /* nvc0 */
 560 #define TGSI_OPCODE_DCEIL               219 /* nvc0 */
 561 #define TGSI_OPCODE_DFLR                220 /* nvc0 */
 562 #define TGSI_OPCODE_DROUND              221 /* nvc0 */
 563 #define TGSI_OPCODE_DSSG                222
 564 #define TGSI_OPCODE_LAST                223
 565
 566 /**
 567  * Opcode is the operation code to execute. A given operation defines the
 568  * semantics how the source registers (if any) are interpreted and what is
 569  * written to the destination registers (if any) as a result of execution.
 570  *
 571  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 572  * respectively. For a given operation code, those numbers are fixed and are
 573  * present here only for convenience.
 574  *
 575  * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
 576  *
 577  * Saturate controls how are final results in destination registers modified.
 578  */
 579
 580 struct tgsi_instruction
 581 {
 582    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 583    unsigned NrTokens   : 8;  /* UINT */
 584    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 585    unsigned Saturate   : 1;  /* BOOL */
 586    unsigned NumDstRegs : 2;  /* UINT */
 587    unsigned NumSrcRegs : 4;  /* UINT */
 588    unsigned Predicate  : 1;  /* BOOL */
 589    unsigned Label      : 1;
 590    unsigned Texture    : 1;
 591    unsigned Memory     : 1;
 592    unsigned Padding    : 1;
 593 };
 594
 595 /*
 596  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
 597  *
 598  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
 599  *   if texture instruction has a number of offsets,
 600  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
 601  *
 602  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 603  *
 604  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 605  *
 606  * tgsi_instruction::NrTokens contains the total number of words that make the
 607  * instruction, including the instruction word.
 608  */
 609
 610 enum tgsi_swizzle {
 611    TGSI_SWIZZLE_X,
 612    TGSI_SWIZZLE_Y,
 613    TGSI_SWIZZLE_Z,
 614    TGSI_SWIZZLE_W,
 615 };
 616
 617 struct tgsi_instruction_label
 618 {
 619    unsigned Label    : 24;   /* UINT */
 620    unsigned Padding  : 8;
 621 };
 622
 623 enum tgsi_texture_type {
 624    TGSI_TEXTURE_BUFFER,
 625    TGSI_TEXTURE_1D,
 626    TGSI_TEXTURE_2D,
 627    TGSI_TEXTURE_3D,
 628    TGSI_TEXTURE_CUBE,
 629    TGSI_TEXTURE_RECT,
 630    TGSI_TEXTURE_SHADOW1D,
 631    TGSI_TEXTURE_SHADOW2D,
 632    TGSI_TEXTURE_SHADOWRECT,
 633    TGSI_TEXTURE_1D_ARRAY,
 634    TGSI_TEXTURE_2D_ARRAY,
 635    TGSI_TEXTURE_SHADOW1D_ARRAY,
 636    TGSI_TEXTURE_SHADOW2D_ARRAY,
 637    TGSI_TEXTURE_SHADOWCUBE,
 638    TGSI_TEXTURE_2D_MSAA,
 639    TGSI_TEXTURE_2D_ARRAY_MSAA,
 640    TGSI_TEXTURE_CUBE_ARRAY,
 641    TGSI_TEXTURE_SHADOWCUBE_ARRAY,
 642    TGSI_TEXTURE_UNKNOWN,
 643    TGSI_TEXTURE_COUNT,
 644 };
 645
 646 struct tgsi_instruction_texture
 647 {
 648    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 649    unsigned NumOffsets : 4;
 650    unsigned Padding : 20;
 651 };
 652
 653 /* for texture offsets in GLSL and DirectX.
 654  * Generally these always come from TGSI_FILE_IMMEDIATE,
 655  * however DX11 appears to have the capability to do
 656  * non-constant texture offsets.
 657  */
 658 struct tgsi_texture_offset
 659 {
 660    int      Index    : 16;
 661    unsigned File     : 4;  /**< one of TGSI_FILE_x */
 662    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 663    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 664    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 665    unsigned Padding  : 6;
 666 };
 667
 668 /*
 669  * For SM3, the following constraint applies.
 670  *   - Swizzle is either set to identity or replicate.
 671  */
 672 struct tgsi_instruction_predicate
 673 {
 674    int      Index    : 16; /* SINT */
 675    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 676    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 677    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 678    unsigned SwizzleW : 2;  /* TGSI_SWIZZLE_x */
 679    unsigned Negate   : 1;  /* BOOL */
 680    unsigned Padding  : 7;
 681 };
 682
 683 /**
 684  * File specifies the register array to access.
 685  *
 686  * Index specifies the element number of a register in the register file.
 687  *
 688  * If Indirect is TRUE, Index should be offset by the X component of the indirect
 689  * register that follows. The register can be now fetched into local storage
 690  * for further processing.
 691  *
 692  * If Negate is TRUE, all components of the fetched register are negated.
 693  *
 694  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 695  * SwizzleZ and SwizzleW.
 696  *
 697  */
 698
 699 struct tgsi_src_register
 700 {
 701    unsigned File        : 4;  /* TGSI_FILE_ */
 702    unsigned Indirect    : 1;  /* BOOL */
 703    unsigned Dimension   : 1;  /* BOOL */
 704    int      Index       : 16; /* SINT */
 705    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 706    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 707    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 708    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 709    unsigned Absolute    : 1;    /* BOOL */
 710    unsigned Negate      : 1;    /* BOOL */
 711 };
 712
 713 /**
 714  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
 715  *
 716  * File, Index and Swizzle are handled the same as in tgsi_src_register.
 717  *
 718  * If ArrayID is zero the whole register file might be indirectly addressed,
 719  * if not only the Declaration with this ArrayID is accessed by this operand.
 720  *
 721  */
 722
 723 struct tgsi_ind_register
 724 {
 725    unsigned File    : 4;  /* TGSI_FILE_ */
 726    int      Index   : 16; /* SINT */
 727    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
 728    unsigned ArrayID : 10; /* UINT */
 729 };
 730
 731 /**
 732  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 733  */
 734
 735 struct tgsi_dimension
 736 {
 737    unsigned Indirect    : 1;  /* BOOL */
 738    unsigned Dimension   : 1;  /* BOOL */
 739    unsigned Padding     : 14;
 740    int      Index       : 16; /* SINT */
 741 };
 742
 743 struct tgsi_dst_register
 744 {
 745    unsigned File        : 4;  /* TGSI_FILE_ */
 746    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 747    unsigned Indirect    : 1;  /* BOOL */
 748    unsigned Dimension   : 1;  /* BOOL */
 749    int      Index       : 16; /* SINT */
 750    unsigned Padding     : 6;
 751 };
 752
 753 #define TGSI_MEMORY_COHERENT (1 << 0)
 754 #define TGSI_MEMORY_RESTRICT (1 << 1)
 755 #define TGSI_MEMORY_VOLATILE (1 << 2)
 756
 757 /**
 758  * Specifies the type of memory access to do for the LOAD/STORE instruction.
 759  */
 760 struct tgsi_instruction_memory
 761 {
 762    unsigned Qualifier : 3;  /* TGSI_MEMORY_ */
 763    unsigned Texture   : 8;  /* only for images: TGSI_TEXTURE_ */
 764    unsigned Format    : 10; /* only for images: PIPE_FORMAT_ */
 765    unsigned Padding   : 11;
 766 };
 767
 768 #define TGSI_MEMBAR_SHADER_BUFFER (1 << 0)
 769 #define TGSI_MEMBAR_ATOMIC_BUFFER (1 << 1)
 770 #define TGSI_MEMBAR_SHADER_IMAGE  (1 << 2)
 771 #define TGSI_MEMBAR_SHARED        (1 << 3)
 772 #define TGSI_MEMBAR_THREAD_GROUP  (1 << 4)
 773
 774 #ifdef __cplusplus
 775 }
 776 #endif
 777
 778 #endif /* P_SHADER_TOKENS_H */