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
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  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_SYSTEM_VALUE,
  73    TGSI_FILE_IMAGE,
  74    TGSI_FILE_SAMPLER_VIEW,
  75    TGSI_FILE_BUFFER,
  76    TGSI_FILE_MEMORY,
  77    TGSI_FILE_CONSTBUF,
  78    TGSI_FILE_HW_ATOMIC,
  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 enum tgsi_interpolate_mode {
 101    TGSI_INTERPOLATE_CONSTANT,
 102    TGSI_INTERPOLATE_LINEAR,
 103    TGSI_INTERPOLATE_PERSPECTIVE,
 104    TGSI_INTERPOLATE_COLOR,          /* special color case for smooth/flat */
 105    TGSI_INTERPOLATE_COUNT,
 106 };
 107
 108 enum tgsi_interpolate_loc {
 109    TGSI_INTERPOLATE_LOC_CENTER,
 110    TGSI_INTERPOLATE_LOC_CENTROID,
 111    TGSI_INTERPOLATE_LOC_SAMPLE,
 112    TGSI_INTERPOLATE_LOC_COUNT,
 113 };
 114
 115 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
 116 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
 117 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
 118 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
 119
 120 enum tgsi_memory_type {
 121    TGSI_MEMORY_TYPE_GLOBAL,         /* OpenCL global              */
 122    TGSI_MEMORY_TYPE_SHARED,         /* OpenCL local / GLSL shared */
 123    TGSI_MEMORY_TYPE_PRIVATE,        /* OpenCL private             */
 124    TGSI_MEMORY_TYPE_INPUT,          /* OpenCL kernel input params */
 125    TGSI_MEMORY_TYPE_COUNT,
 126 };
 127
 128 struct tgsi_declaration
 129 {
 130    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
 131    unsigned NrTokens    : 8;  /**< UINT */
 132    unsigned File        : 4;  /**< one of TGSI_FILE_x */
 133    unsigned UsageMask   : 4;  /**< bitmask of TGSI_WRITEMASK_x flags */
 134    unsigned Dimension   : 1;  /**< any extra dimension info? */
 135    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
 136    unsigned Interpolate : 1;  /**< any interpolation info? */
 137    unsigned Invariant   : 1;  /**< invariant optimization? */
 138    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
 139    unsigned Array       : 1;  /**< extra array info? */
 140    unsigned Atomic      : 1;  /**< atomic only? for TGSI_FILE_BUFFER */
 141    unsigned MemType     : 2;  /**< TGSI_MEMORY_TYPE_x for TGSI_FILE_MEMORY */
 142    unsigned Padding     : 3;
 143 };
 144
 145 struct tgsi_declaration_range
 146 {
 147    unsigned First   : 16; /**< UINT */
 148    unsigned Last    : 16; /**< UINT */
 149 };
 150
 151 struct tgsi_declaration_dimension
 152 {
 153    unsigned Index2D:16; /**< UINT */
 154    unsigned Padding:16;
 155 };
 156
 157 struct tgsi_declaration_interp
 158 {
 159    unsigned Interpolate : 4;   /**< one of TGSI_INTERPOLATE_x */
 160    unsigned Location    : 2;   /**< one of TGSI_INTERPOLATE_LOC_x */
 161    unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
 162    unsigned Padding     : 22;
 163 };
 164
 165 enum tgsi_semantic {
 166    TGSI_SEMANTIC_POSITION,
 167    TGSI_SEMANTIC_COLOR,
 168    TGSI_SEMANTIC_BCOLOR,       /**< back-face color */
 169    TGSI_SEMANTIC_FOG,
 170    TGSI_SEMANTIC_PSIZE,
 171    TGSI_SEMANTIC_GENERIC,
 172    TGSI_SEMANTIC_NORMAL,
 173    TGSI_SEMANTIC_FACE,
 174    TGSI_SEMANTIC_EDGEFLAG,
 175    TGSI_SEMANTIC_PRIMID,
 176    TGSI_SEMANTIC_INSTANCEID,  /**< doesn't include start_instance */
 177    TGSI_SEMANTIC_VERTEXID,
 178    TGSI_SEMANTIC_STENCIL,
 179    TGSI_SEMANTIC_CLIPDIST,
 180    TGSI_SEMANTIC_CLIPVERTEX,
 181    TGSI_SEMANTIC_GRID_SIZE,   /**< grid size in blocks */
 182    TGSI_SEMANTIC_BLOCK_ID,    /**< id of the current block */
 183    TGSI_SEMANTIC_BLOCK_SIZE,  /**< block size in threads */
 184    TGSI_SEMANTIC_THREAD_ID,   /**< block-relative id of the current thread */
 185    TGSI_SEMANTIC_TEXCOORD,    /**< texture or sprite coordinates */
 186    TGSI_SEMANTIC_PCOORD,      /**< point sprite coordinate */
 187    TGSI_SEMANTIC_VIEWPORT_INDEX,  /**< viewport index */
 188    TGSI_SEMANTIC_LAYER,       /**< layer (rendertarget index) */
 189    TGSI_SEMANTIC_SAMPLEID,
 190    TGSI_SEMANTIC_SAMPLEPOS,
 191    TGSI_SEMANTIC_SAMPLEMASK,
 192    TGSI_SEMANTIC_INVOCATIONID,
 193    TGSI_SEMANTIC_VERTEXID_NOBASE,
 194    TGSI_SEMANTIC_BASEVERTEX,
 195    TGSI_SEMANTIC_PATCH,       /**< generic per-patch semantic */
 196    TGSI_SEMANTIC_TESSCOORD,   /**< coordinate being processed by tess */
 197    TGSI_SEMANTIC_TESSOUTER,   /**< outer tessellation levels */
 198    TGSI_SEMANTIC_TESSINNER,   /**< inner tessellation levels */
 199    TGSI_SEMANTIC_VERTICESIN,  /**< number of input vertices */
 200    TGSI_SEMANTIC_HELPER_INVOCATION,  /**< current invocation is helper */
 201    TGSI_SEMANTIC_BASEINSTANCE,
 202    TGSI_SEMANTIC_DRAWID,
 203    TGSI_SEMANTIC_WORK_DIM,    /**< opencl get_work_dim value */
 204    TGSI_SEMANTIC_SUBGROUP_SIZE,
 205    TGSI_SEMANTIC_SUBGROUP_INVOCATION,
 206    TGSI_SEMANTIC_SUBGROUP_EQ_MASK,
 207    TGSI_SEMANTIC_SUBGROUP_GE_MASK,
 208    TGSI_SEMANTIC_SUBGROUP_GT_MASK,
 209    TGSI_SEMANTIC_SUBGROUP_LE_MASK,
 210    TGSI_SEMANTIC_SUBGROUP_LT_MASK,
 211    TGSI_SEMANTIC_COUNT,       /**< number of semantic values */
 212 };
 213
 214 struct tgsi_declaration_semantic
 215 {
 216    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
 217    unsigned Index          : 16; /**< UINT */
 218    unsigned StreamX        : 2; /**< vertex stream (for GS output) */
 219    unsigned StreamY        : 2;
 220    unsigned StreamZ        : 2;
 221    unsigned StreamW        : 2;
 222 };
 223
 224 struct tgsi_declaration_image {
 225    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 226    unsigned Raw         : 1;
 227    unsigned Writable    : 1;
 228    unsigned Format      : 10; /**< one of PIPE_FORMAT_ */
 229    unsigned Padding     : 12;
 230 };
 231
 232 enum tgsi_return_type {
 233    TGSI_RETURN_TYPE_UNORM = 0,
 234    TGSI_RETURN_TYPE_SNORM,
 235    TGSI_RETURN_TYPE_SINT,
 236    TGSI_RETURN_TYPE_UINT,
 237    TGSI_RETURN_TYPE_FLOAT,
 238    TGSI_RETURN_TYPE_UNKNOWN,
 239    TGSI_RETURN_TYPE_COUNT
 240 };
 241
 242 struct tgsi_declaration_sampler_view {
 243    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 244    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
 245    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
 246    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
 247    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
 248 };
 249
 250 struct tgsi_declaration_array {
 251    unsigned ArrayID : 10;
 252    unsigned Padding : 22;
 253 };
 254
 255 enum tgsi_imm_type {
 256    TGSI_IMM_FLOAT32,
 257    TGSI_IMM_UINT32,
 258    TGSI_IMM_INT32,
 259    TGSI_IMM_FLOAT64,
 260    TGSI_IMM_UINT64,
 261    TGSI_IMM_INT64,
 262 };
 263
 264 struct tgsi_immediate
 265 {
 266    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
 267    unsigned NrTokens   : 14; /**< UINT */
 268    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
 269    unsigned Padding    : 10;
 270 };
 271
 272 union tgsi_immediate_data
 273 {
 274    float Float;
 275    unsigned Uint;
 276    int Int;
 277 };
 278
 279 enum tgsi_property_name {
 280    TGSI_PROPERTY_GS_INPUT_PRIM,
 281    TGSI_PROPERTY_GS_OUTPUT_PRIM,
 282    TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES,
 283    TGSI_PROPERTY_FS_COORD_ORIGIN,
 284    TGSI_PROPERTY_FS_COORD_PIXEL_CENTER,
 285    TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS,
 286    TGSI_PROPERTY_FS_DEPTH_LAYOUT,
 287    TGSI_PROPERTY_VS_PROHIBIT_UCPS,
 288    TGSI_PROPERTY_GS_INVOCATIONS,
 289    TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION,
 290    TGSI_PROPERTY_TCS_VERTICES_OUT,
 291    TGSI_PROPERTY_TES_PRIM_MODE,
 292    TGSI_PROPERTY_TES_SPACING,
 293    TGSI_PROPERTY_TES_VERTEX_ORDER_CW,
 294    TGSI_PROPERTY_TES_POINT_MODE,
 295    TGSI_PROPERTY_NUM_CLIPDIST_ENABLED,
 296    TGSI_PROPERTY_NUM_CULLDIST_ENABLED,
 297    TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL,
 298    TGSI_PROPERTY_FS_POST_DEPTH_COVERAGE,
 299    TGSI_PROPERTY_NEXT_SHADER,
 300    TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH,
 301    TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT,
 302    TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH,
 303    TGSI_PROPERTY_MUL_ZERO_WINS,
 304    TGSI_PROPERTY_VS_BLIT_SGPRS_AMD,
 305    TGSI_PROPERTY_COUNT,
 306 };
 307
 308 struct tgsi_property {
 309    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
 310    unsigned NrTokens     : 8;  /**< UINT */
 311    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
 312    unsigned Padding      : 12;
 313 };
 314
 315 enum tgsi_fs_coord_origin {
 316    TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
 317    TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
 318 };
 319
 320 enum tgsi_fs_coord_pixcenter {
 321    TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
 322    TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
 323 };
 324
 325 enum tgsi_fs_depth_layout {
 326    TGSI_FS_DEPTH_LAYOUT_NONE,
 327    TGSI_FS_DEPTH_LAYOUT_ANY,
 328    TGSI_FS_DEPTH_LAYOUT_GREATER,
 329    TGSI_FS_DEPTH_LAYOUT_LESS,
 330    TGSI_FS_DEPTH_LAYOUT_UNCHANGED,
 331 };
 332
 333 struct tgsi_property_data {
 334    unsigned Data;
 335 };
 336
 337 /* TGSI opcodes.
 338  *
 339  * For more information on semantics of opcodes and
 340  * which APIs are known to use which opcodes, see
 341  * gallium/docs/source/tgsi.rst
 342  */
 343 enum tgsi_opcode {
 344    TGSI_OPCODE_ARL                = 0,
 345    TGSI_OPCODE_MOV                = 1,
 346    TGSI_OPCODE_LIT                = 2,
 347    TGSI_OPCODE_RCP                = 3,
 348    TGSI_OPCODE_RSQ                = 4,
 349    TGSI_OPCODE_EXP                = 5,
 350    TGSI_OPCODE_LOG                = 6,
 351    TGSI_OPCODE_MUL                = 7,
 352    TGSI_OPCODE_ADD                = 8,
 353    TGSI_OPCODE_DP3                = 9,
 354    TGSI_OPCODE_DP4                = 10,
 355    TGSI_OPCODE_DST                = 11,
 356    TGSI_OPCODE_MIN                = 12,
 357    TGSI_OPCODE_MAX                = 13,
 358    TGSI_OPCODE_SLT                = 14,
 359    TGSI_OPCODE_SGE                = 15,
 360    TGSI_OPCODE_MAD                = 16,
 361    TGSI_OPCODE_TEX_LZ             = 17,
 362    TGSI_OPCODE_LRP                = 18,
 363    TGSI_OPCODE_FMA                = 19,
 364    TGSI_OPCODE_SQRT               = 20,
 365    TGSI_OPCODE_LDEXP              = 21,
 366    TGSI_OPCODE_F2U64              = 22,
 367    TGSI_OPCODE_F2I64              = 23,
 368    TGSI_OPCODE_FRC                = 24,
 369    TGSI_OPCODE_TXF_LZ             = 25,
 370    TGSI_OPCODE_FLR                = 26,
 371    TGSI_OPCODE_ROUND              = 27,
 372    TGSI_OPCODE_EX2                = 28,
 373    TGSI_OPCODE_LG2                = 29,
 374    TGSI_OPCODE_POW                = 30,
 375    /* gap */
 376    TGSI_OPCODE_U2I64              = 32,
 377    TGSI_OPCODE_CLOCK              = 33,
 378    TGSI_OPCODE_I2I64              = 34,
 379    /* gap */
 380    TGSI_OPCODE_COS                = 36,
 381    TGSI_OPCODE_DDX                = 37,
 382    TGSI_OPCODE_DDY                = 38,
 383    TGSI_OPCODE_KILL               = 39 /* unconditional */,
 384    TGSI_OPCODE_PK2H               = 40,
 385    TGSI_OPCODE_PK2US              = 41,
 386    TGSI_OPCODE_PK4B               = 42,
 387    TGSI_OPCODE_PK4UB              = 43,
 388    TGSI_OPCODE_D2U64              = 44,
 389    TGSI_OPCODE_SEQ                = 45,
 390    TGSI_OPCODE_D2I64              = 46,
 391    TGSI_OPCODE_SGT                = 47,
 392    TGSI_OPCODE_SIN                = 48,
 393    TGSI_OPCODE_SLE                = 49,
 394    TGSI_OPCODE_SNE                = 50,
 395    TGSI_OPCODE_U642D              = 51,
 396    TGSI_OPCODE_TEX                = 52,
 397    TGSI_OPCODE_TXD                = 53,
 398    TGSI_OPCODE_TXP                = 54,
 399    TGSI_OPCODE_UP2H               = 55,
 400    TGSI_OPCODE_UP2US              = 56,
 401    TGSI_OPCODE_UP4B               = 57,
 402    TGSI_OPCODE_UP4UB              = 58,
 403    TGSI_OPCODE_U642F              = 59,
 404    TGSI_OPCODE_I642F              = 60,
 405    TGSI_OPCODE_ARR                = 61,
 406    TGSI_OPCODE_I642D              = 62,
 407    TGSI_OPCODE_CAL                = 63,
 408    TGSI_OPCODE_RET                = 64,
 409    TGSI_OPCODE_SSG                = 65 /* SGN */,
 410    TGSI_OPCODE_CMP                = 66,
 411    /* gap */
 412    TGSI_OPCODE_TXB                = 68,
 413    TGSI_OPCODE_FBFETCH            = 69,
 414    TGSI_OPCODE_DIV                = 70,
 415    TGSI_OPCODE_DP2                = 71,
 416    TGSI_OPCODE_TXL                = 72,
 417    TGSI_OPCODE_BRK                = 73,
 418    TGSI_OPCODE_IF                 = 74,
 419    TGSI_OPCODE_UIF                = 75,
 420    TGSI_OPCODE_READ_INVOC         = 76,
 421    TGSI_OPCODE_ELSE               = 77,
 422    TGSI_OPCODE_ENDIF              = 78,
 423    TGSI_OPCODE_DDX_FINE           = 79,
 424    TGSI_OPCODE_DDY_FINE           = 80,
 425    /* gap */
 426    TGSI_OPCODE_CEIL               = 83,
 427    TGSI_OPCODE_I2F                = 84,
 428    TGSI_OPCODE_NOT                = 85,
 429    TGSI_OPCODE_TRUNC              = 86,
 430    TGSI_OPCODE_SHL                = 87,
 431    TGSI_OPCODE_BALLOT             = 88,
 432    TGSI_OPCODE_AND                = 89,
 433    TGSI_OPCODE_OR                 = 90,
 434    TGSI_OPCODE_MOD                = 91,
 435    TGSI_OPCODE_XOR                = 92,
 436    /* gap */
 437    TGSI_OPCODE_TXF                = 94,
 438    TGSI_OPCODE_TXQ                = 95,
 439    TGSI_OPCODE_CONT               = 96,
 440    TGSI_OPCODE_EMIT               = 97,
 441    TGSI_OPCODE_ENDPRIM            = 98,
 442    TGSI_OPCODE_BGNLOOP            = 99,
 443    TGSI_OPCODE_BGNSUB             = 100,
 444    TGSI_OPCODE_ENDLOOP            = 101,
 445    TGSI_OPCODE_ENDSUB             = 102,
 446    TGSI_OPCODE_ATOMFADD           = 103,
 447    TGSI_OPCODE_TXQS               = 104,
 448    TGSI_OPCODE_RESQ               = 105,
 449    TGSI_OPCODE_READ_FIRST         = 106,
 450    TGSI_OPCODE_NOP                = 107,
 451
 452    TGSI_OPCODE_FSEQ               = 108,
 453    TGSI_OPCODE_FSGE               = 109,
 454    TGSI_OPCODE_FSLT               = 110,
 455    TGSI_OPCODE_FSNE               = 111,
 456
 457    TGSI_OPCODE_MEMBAR             = 112,
 458                                 /* gap */
 459    TGSI_OPCODE_KILL_IF            = 116  /* conditional kill */,
 460    TGSI_OPCODE_END                = 117  /* aka HALT */,
 461    TGSI_OPCODE_DFMA               = 118,
 462    TGSI_OPCODE_F2I                = 119,
 463    TGSI_OPCODE_IDIV               = 120,
 464    TGSI_OPCODE_IMAX               = 121,
 465    TGSI_OPCODE_IMIN               = 122,
 466    TGSI_OPCODE_INEG               = 123,
 467    TGSI_OPCODE_ISGE               = 124,
 468    TGSI_OPCODE_ISHR               = 125,
 469    TGSI_OPCODE_ISLT               = 126,
 470    TGSI_OPCODE_F2U                = 127,
 471    TGSI_OPCODE_U2F                = 128,
 472    TGSI_OPCODE_UADD               = 129,
 473    TGSI_OPCODE_UDIV               = 130,
 474    TGSI_OPCODE_UMAD               = 131,
 475    TGSI_OPCODE_UMAX               = 132,
 476    TGSI_OPCODE_UMIN               = 133,
 477    TGSI_OPCODE_UMOD               = 134,
 478    TGSI_OPCODE_UMUL               = 135,
 479    TGSI_OPCODE_USEQ               = 136,
 480    TGSI_OPCODE_USGE               = 137,
 481    TGSI_OPCODE_USHR               = 138,
 482    TGSI_OPCODE_USLT               = 139,
 483    TGSI_OPCODE_USNE               = 140,
 484    TGSI_OPCODE_SWITCH             = 141,
 485    TGSI_OPCODE_CASE               = 142,
 486    TGSI_OPCODE_DEFAULT            = 143,
 487    TGSI_OPCODE_ENDSWITCH          = 144,
 488
 489    /* resource related opcodes */
 490    TGSI_OPCODE_SAMPLE             = 145,
 491    TGSI_OPCODE_SAMPLE_I           = 146,
 492    TGSI_OPCODE_SAMPLE_I_MS        = 147,
 493    TGSI_OPCODE_SAMPLE_B           = 148,
 494    TGSI_OPCODE_SAMPLE_C           = 149,
 495    TGSI_OPCODE_SAMPLE_C_LZ        = 150,
 496    TGSI_OPCODE_SAMPLE_D           = 151,
 497    TGSI_OPCODE_SAMPLE_L           = 152,
 498    TGSI_OPCODE_GATHER4            = 153,
 499    TGSI_OPCODE_SVIEWINFO          = 154,
 500    TGSI_OPCODE_SAMPLE_POS         = 155,
 501    TGSI_OPCODE_SAMPLE_INFO        = 156,
 502
 503    TGSI_OPCODE_UARL               = 157,
 504    TGSI_OPCODE_UCMP               = 158,
 505    TGSI_OPCODE_IABS               = 159,
 506    TGSI_OPCODE_ISSG               = 160,
 507
 508    TGSI_OPCODE_LOAD               = 161,
 509    TGSI_OPCODE_STORE              = 162,
 510    TGSI_OPCODE_IMG2HND            = 163,
 511    TGSI_OPCODE_SAMP2HND           = 164,
 512    /* gap */
 513    TGSI_OPCODE_BARRIER            = 166,
 514
 515    TGSI_OPCODE_ATOMUADD           = 167,
 516    TGSI_OPCODE_ATOMXCHG           = 168,
 517    TGSI_OPCODE_ATOMCAS            = 169,
 518    TGSI_OPCODE_ATOMAND            = 170,
 519    TGSI_OPCODE_ATOMOR             = 171,
 520    TGSI_OPCODE_ATOMXOR            = 172,
 521    TGSI_OPCODE_ATOMUMIN           = 173,
 522    TGSI_OPCODE_ATOMUMAX           = 174,
 523    TGSI_OPCODE_ATOMIMIN           = 175,
 524    TGSI_OPCODE_ATOMIMAX           = 176,
 525
 526    /* to be used for shadow cube map compares */
 527    TGSI_OPCODE_TEX2               = 177,
 528    TGSI_OPCODE_TXB2               = 178,
 529    TGSI_OPCODE_TXL2               = 179,
 530
 531    TGSI_OPCODE_IMUL_HI            = 180,
 532    TGSI_OPCODE_UMUL_HI            = 181,
 533
 534    TGSI_OPCODE_TG4                = 182,
 535
 536    TGSI_OPCODE_LODQ               = 183,
 537
 538    TGSI_OPCODE_IBFE               = 184,
 539    TGSI_OPCODE_UBFE               = 185,
 540    TGSI_OPCODE_BFI                = 186,
 541    TGSI_OPCODE_BREV               = 187,
 542    TGSI_OPCODE_POPC               = 188,
 543    TGSI_OPCODE_LSB                = 189,
 544    TGSI_OPCODE_IMSB               = 190,
 545    TGSI_OPCODE_UMSB               = 191,
 546
 547    TGSI_OPCODE_INTERP_CENTROID    = 192,
 548    TGSI_OPCODE_INTERP_SAMPLE      = 193,
 549    TGSI_OPCODE_INTERP_OFFSET      = 194,
 550
 551    /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
 552    TGSI_OPCODE_F2D                = 195 /* SM5 */,
 553    TGSI_OPCODE_D2F                = 196,
 554    TGSI_OPCODE_DABS               = 197,
 555    TGSI_OPCODE_DNEG               = 198 /* SM5 */,
 556    TGSI_OPCODE_DADD               = 199 /* SM5 */,
 557    TGSI_OPCODE_DMUL               = 200 /* SM5 */,
 558    TGSI_OPCODE_DMAX               = 201 /* SM5 */,
 559    TGSI_OPCODE_DMIN               = 202 /* SM5 */,
 560    TGSI_OPCODE_DSLT               = 203 /* SM5 */,
 561    TGSI_OPCODE_DSGE               = 204 /* SM5 */,
 562    TGSI_OPCODE_DSEQ               = 205 /* SM5 */,
 563    TGSI_OPCODE_DSNE               = 206 /* SM5 */,
 564    TGSI_OPCODE_DRCP               = 207 /* eg, cayman */,
 565    TGSI_OPCODE_DSQRT              = 208 /* eg, cayman also has DRSQ */,
 566    TGSI_OPCODE_DMAD               = 209,
 567    TGSI_OPCODE_DFRAC              = 210 /* eg, cayman */,
 568    TGSI_OPCODE_DLDEXP             = 211 /* eg, cayman */,
 569    TGSI_OPCODE_DFRACEXP           = 212 /* eg, cayman */,
 570    TGSI_OPCODE_D2I                = 213,
 571    TGSI_OPCODE_I2D                = 214,
 572    TGSI_OPCODE_D2U                = 215,
 573    TGSI_OPCODE_U2D                = 216,
 574    TGSI_OPCODE_DRSQ               = 217 /* eg, cayman also has DRSQ */,
 575    TGSI_OPCODE_DTRUNC             = 218 /* nvc0 */,
 576    TGSI_OPCODE_DCEIL              = 219 /* nvc0 */,
 577    TGSI_OPCODE_DFLR               = 220 /* nvc0 */,
 578    TGSI_OPCODE_DROUND             = 221 /* nvc0 */,
 579    TGSI_OPCODE_DSSG               = 222,
 580
 581    TGSI_OPCODE_VOTE_ANY           = 223,
 582    TGSI_OPCODE_VOTE_ALL           = 224,
 583    TGSI_OPCODE_VOTE_EQ            = 225,
 584
 585    TGSI_OPCODE_U64SEQ             = 226,
 586    TGSI_OPCODE_U64SNE             = 227,
 587    TGSI_OPCODE_I64SLT             = 228,
 588    TGSI_OPCODE_U64SLT             = 229,
 589    TGSI_OPCODE_I64SGE             = 230,
 590    TGSI_OPCODE_U64SGE             = 231,
 591
 592    TGSI_OPCODE_I64MIN             = 232,
 593    TGSI_OPCODE_U64MIN             = 233,
 594    TGSI_OPCODE_I64MAX             = 234,
 595    TGSI_OPCODE_U64MAX             = 235,
 596
 597    TGSI_OPCODE_I64ABS             = 236,
 598    TGSI_OPCODE_I64SSG             = 237,
 599    TGSI_OPCODE_I64NEG             = 238,
 600
 601    TGSI_OPCODE_U64ADD             = 239,
 602    TGSI_OPCODE_U64MUL             = 240,
 603    TGSI_OPCODE_U64SHL             = 241,
 604    TGSI_OPCODE_I64SHR             = 242,
 605    TGSI_OPCODE_U64SHR             = 243,
 606
 607    TGSI_OPCODE_I64DIV             = 244,
 608    TGSI_OPCODE_U64DIV             = 245,
 609    TGSI_OPCODE_I64MOD             = 246,
 610    TGSI_OPCODE_U64MOD             = 247,
 611
 612    TGSI_OPCODE_DDIV               = 248,
 613
 614    TGSI_OPCODE_LOD                = 249,
 615
 616    TGSI_OPCODE_ATOMINC_WRAP       = 250,
 617    TGSI_OPCODE_ATOMDEC_WRAP       = 251,
 618
 619    TGSI_OPCODE_LAST               = 252,
 620 };
 621
 622
 623 /**
 624  * Opcode is the operation code to execute. A given operation defines the
 625  * semantics how the source registers (if any) are interpreted and what is
 626  * written to the destination registers (if any) as a result of execution.
 627  *
 628  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 629  * respectively. For a given operation code, those numbers are fixed and are
 630  * present here only for convenience.
 631  *
 632  * Saturate controls how are final results in destination registers modified.
 633  */
 634
 635 struct tgsi_instruction
 636 {
 637    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 638    unsigned NrTokens   : 8;  /* UINT */
 639    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 640    unsigned Saturate   : 1;  /* BOOL */
 641    unsigned NumDstRegs : 2;  /* UINT */
 642    unsigned NumSrcRegs : 4;  /* UINT */
 643    unsigned Label      : 1;
 644    unsigned Texture    : 1;
 645    unsigned Memory     : 1;
 646    unsigned Precise    : 1;
 647    unsigned Padding    : 1;
 648 };
 649
 650 /*
 651  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
 652  *
 653  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
 654  *   if texture instruction has a number of offsets,
 655  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
 656  *
 657  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 658  *
 659  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 660  *
 661  * tgsi_instruction::NrTokens contains the total number of words that make the
 662  * instruction, including the instruction word.
 663  */
 664
 665 enum tgsi_swizzle {
 666    TGSI_SWIZZLE_X,
 667    TGSI_SWIZZLE_Y,
 668    TGSI_SWIZZLE_Z,
 669    TGSI_SWIZZLE_W,
 670 };
 671
 672 struct tgsi_instruction_label
 673 {
 674    unsigned Label    : 24;   /* UINT */
 675    unsigned Padding  : 8;
 676 };
 677
 678 enum tgsi_texture_type {
 679    TGSI_TEXTURE_BUFFER,
 680    TGSI_TEXTURE_1D,
 681    TGSI_TEXTURE_2D,
 682    TGSI_TEXTURE_3D,
 683    TGSI_TEXTURE_CUBE,
 684    TGSI_TEXTURE_RECT,
 685    TGSI_TEXTURE_SHADOW1D,
 686    TGSI_TEXTURE_SHADOW2D,
 687    TGSI_TEXTURE_SHADOWRECT,
 688    TGSI_TEXTURE_1D_ARRAY,
 689    TGSI_TEXTURE_2D_ARRAY,
 690    TGSI_TEXTURE_SHADOW1D_ARRAY,
 691    TGSI_TEXTURE_SHADOW2D_ARRAY,
 692    TGSI_TEXTURE_SHADOWCUBE,
 693    TGSI_TEXTURE_2D_MSAA,
 694    TGSI_TEXTURE_2D_ARRAY_MSAA,
 695    TGSI_TEXTURE_CUBE_ARRAY,
 696    TGSI_TEXTURE_SHADOWCUBE_ARRAY,
 697    TGSI_TEXTURE_UNKNOWN,
 698    TGSI_TEXTURE_COUNT,
 699 };
 700
 701 struct tgsi_instruction_texture
 702 {
 703    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 704    unsigned NumOffsets : 4;
 705    unsigned ReturnType : 3; /* TGSI_RETURN_TYPE_x */
 706    unsigned Padding : 17;
 707 };
 708
 709 /* for texture offsets in GLSL and DirectX.
 710  * Generally these always come from TGSI_FILE_IMMEDIATE,
 711  * however DX11 appears to have the capability to do
 712  * non-constant texture offsets.
 713  */
 714 struct tgsi_texture_offset
 715 {
 716    int      Index    : 16;
 717    unsigned File     : 4;  /**< one of TGSI_FILE_x */
 718    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 719    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 720    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 721    unsigned Padding  : 6;
 722 };
 723
 724 /**
 725  * File specifies the register array to access.
 726  *
 727  * Index specifies the element number of a register in the register file.
 728  *
 729  * If Indirect is TRUE, Index should be offset by the X component of the indirect
 730  * register that follows. The register can be now fetched into local storage
 731  * for further processing.
 732  *
 733  * If Negate is TRUE, all components of the fetched register are negated.
 734  *
 735  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 736  * SwizzleZ and SwizzleW.
 737  *
 738  */
 739
 740 struct tgsi_src_register
 741 {
 742    unsigned File        : 4;  /* TGSI_FILE_ */
 743    unsigned Indirect    : 1;  /* BOOL */
 744    unsigned Dimension   : 1;  /* BOOL */
 745    int      Index       : 16; /* SINT */
 746    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 747    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 748    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 749    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 750    unsigned Absolute    : 1;    /* BOOL */
 751    unsigned Negate      : 1;    /* BOOL */
 752 };
 753
 754 /**
 755  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
 756  *
 757  * File, Index and Swizzle are handled the same as in tgsi_src_register.
 758  *
 759  * If ArrayID is zero the whole register file might be indirectly addressed,
 760  * if not only the Declaration with this ArrayID is accessed by this operand.
 761  *
 762  */
 763
 764 struct tgsi_ind_register
 765 {
 766    unsigned File    : 4;  /* TGSI_FILE_ */
 767    int      Index   : 16; /* SINT */
 768    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
 769    unsigned ArrayID : 10; /* UINT */
 770 };
 771
 772 /**
 773  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 774  */
 775
 776 struct tgsi_dimension
 777 {
 778    unsigned Indirect    : 1;  /* BOOL */
 779    unsigned Dimension   : 1;  /* BOOL */
 780    unsigned Padding     : 14;
 781    int      Index       : 16; /* SINT */
 782 };
 783
 784 struct tgsi_dst_register
 785 {
 786    unsigned File        : 4;  /* TGSI_FILE_ */
 787    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 788    unsigned Indirect    : 1;  /* BOOL */
 789    unsigned Dimension   : 1;  /* BOOL */
 790    int      Index       : 16; /* SINT */
 791    unsigned Padding     : 6;
 792 };
 793
 794 #define TGSI_MEMORY_COHERENT (1 << 0)
 795 #define TGSI_MEMORY_RESTRICT (1 << 1)
 796 #define TGSI_MEMORY_VOLATILE (1 << 2)
 797 /* The "stream" cache policy will minimize memory cache usage if other
 798  * memory operations need the cache.
 799  */
 800 #define TGSI_MEMORY_STREAM_CACHE_POLICY (1 << 3)
 801
 802 /**
 803  * Specifies the type of memory access to do for the LOAD/STORE instruction.
 804  */
 805 struct tgsi_instruction_memory
 806 {
 807    unsigned Qualifier : 4;  /* TGSI_MEMORY_ */
 808    unsigned Texture   : 8;  /* only for images: TGSI_TEXTURE_ */
 809    unsigned Format    : 10; /* only for images: PIPE_FORMAT_ */
 810    unsigned Padding   : 10;
 811 };
 812
 813 #define TGSI_MEMBAR_SHADER_BUFFER (1 << 0)
 814 #define TGSI_MEMBAR_ATOMIC_BUFFER (1 << 1)
 815 #define TGSI_MEMBAR_SHADER_IMAGE  (1 << 2)
 816 #define TGSI_MEMBAR_SHARED        (1 << 3)
 817 #define TGSI_MEMBAR_THREAD_GROUP  (1 << 4)
 818
 819 #ifdef __cplusplus
 820 }
 821 #endif
 822
 823 #endif /* P_SHADER_TOKENS_H */