1 /************************************************************************** 2 * 3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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_IMMEDIATE_ARRAY =10, 78 TGSI_FILE_TEMPORARY_ARRAY =11, 79 TGSI_FILE_RESOURCE =12, 80 TGSI_FILE_SAMPLER_VIEW =13, 81 TGSI_FILE_COUNT /**< how many TGSI_FILE_ types */ 82 }; 83 84 85 #define TGSI_WRITEMASK_NONE 0x00 86 #define TGSI_WRITEMASK_X 0x01 87 #define TGSI_WRITEMASK_Y 0x02 88 #define TGSI_WRITEMASK_XY 0x03 89 #define TGSI_WRITEMASK_Z 0x04 90 #define TGSI_WRITEMASK_XZ 0x05 91 #define TGSI_WRITEMASK_YZ 0x06 92 #define TGSI_WRITEMASK_XYZ 0x07 93 #define TGSI_WRITEMASK_W 0x08 94 #define TGSI_WRITEMASK_XW 0x09 95 #define TGSI_WRITEMASK_YW 0x0A 96 #define TGSI_WRITEMASK_XYW 0x0B 97 #define TGSI_WRITEMASK_ZW 0x0C 98 #define TGSI_WRITEMASK_XZW 0x0D 99 #define TGSI_WRITEMASK_YZW 0x0E 100 #define TGSI_WRITEMASK_XYZW 0x0F 101 102 #define TGSI_INTERPOLATE_CONSTANT 0 103 #define TGSI_INTERPOLATE_LINEAR 1 104 #define TGSI_INTERPOLATE_PERSPECTIVE 2 105 #define TGSI_INTERPOLATE_COLOR 3 /* special color case for smooth/flat */ 106 #define TGSI_INTERPOLATE_COUNT 4 107 108 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0) 109 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1) 110 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2) 111 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3) 112 113 struct tgsi_declaration 114 { 115 unsigned Type : 4; /**< TGSI_TOKEN_TYPE_DECLARATION */ 116 unsigned NrTokens : 8; /**< UINT */ 117 unsigned File : 4; /**< one of TGSI_FILE_x */ 118 unsigned UsageMask : 4; /**< bitmask of TGSI_WRITEMASK_x flags */ 119 unsigned Dimension : 1; /**< any extra dimension info? */ 120 unsigned Semantic : 1; /**< BOOL, any semantic info? */ 121 unsigned Interpolate : 1; /**< any interpolation info? */ 122 unsigned Invariant : 1; /**< invariant optimization? */ 123 unsigned Local : 1; /**< optimize as subroutine local variable? */ 124 unsigned Padding : 7; 125 }; 126 127 struct tgsi_declaration_range 128 { 129 unsigned First : 16; /**< UINT */ 130 unsigned Last : 16; /**< UINT */ 131 }; 132 133 struct tgsi_declaration_dimension 134 { 135 unsigned Index2D:16; /**< UINT */ 136 unsigned Padding:16; 137 }; 138 139 struct tgsi_declaration_interp 140 { 141 unsigned Interpolate : 4; /**< one of TGSI_INTERPOLATE_x */ 142 unsigned Centroid : 1; /**< centroid sampling? */ 143 unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */ 144 unsigned Padding : 23; 145 }; 146 147 #define TGSI_SEMANTIC_POSITION 0 148 #define TGSI_SEMANTIC_COLOR 1 149 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */ 150 #define TGSI_SEMANTIC_FOG 3 151 #define TGSI_SEMANTIC_PSIZE 4 152 #define TGSI_SEMANTIC_GENERIC 5 153 #define TGSI_SEMANTIC_NORMAL 6 154 #define TGSI_SEMANTIC_FACE 7 155 #define TGSI_SEMANTIC_EDGEFLAG 8 156 #define TGSI_SEMANTIC_PRIMID 9 157 #define TGSI_SEMANTIC_INSTANCEID 10 158 #define TGSI_SEMANTIC_VERTEXID 11 159 #define TGSI_SEMANTIC_STENCIL 12 160 #define TGSI_SEMANTIC_CLIPDIST 13 161 #define TGSI_SEMANTIC_CLIPVERTEX 14 162 #define TGSI_SEMANTIC_GRID_SIZE 15 /**< grid size in blocks */ 163 #define TGSI_SEMANTIC_BLOCK_ID 16 /**< id of the current block */ 164 #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */ 165 #define TGSI_SEMANTIC_THREAD_ID 18 /**< block-relative id of the current thread */ 166 #define TGSI_SEMANTIC_COUNT 19 /**< number of semantic values */ 167 168 struct tgsi_declaration_semantic 169 { 170 unsigned Name : 8; /**< one of TGSI_SEMANTIC_x */ 171 unsigned Index : 16; /**< UINT */ 172 unsigned Padding : 8; 173 }; 174 175 struct tgsi_declaration_resource { 176 unsigned Resource : 8; /**< one of TGSI_TEXTURE_ */ 177 unsigned Raw : 1; 178 unsigned Writable : 1; 179 unsigned Padding : 22; 180 }; 181 182 struct tgsi_declaration_sampler_view { 183 unsigned Resource : 8; /**< one of TGSI_TEXTURE_ */ 184 unsigned ReturnTypeX : 6; /**< one of enum pipe_type */ 185 unsigned ReturnTypeY : 6; /**< one of enum pipe_type */ 186 unsigned ReturnTypeZ : 6; /**< one of enum pipe_type */ 187 unsigned ReturnTypeW : 6; /**< one of enum pipe_type */ 188 }; 189 190 /* 191 * Special resources that don't need to be declared. They map to the 192 * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces. 193 */ 194 #define TGSI_RESOURCE_GLOBAL 0x7fff 195 #define TGSI_RESOURCE_LOCAL 0x7ffe 196 #define TGSI_RESOURCE_PRIVATE 0x7ffd 197 #define TGSI_RESOURCE_INPUT 0x7ffc 198 199 #define TGSI_IMM_FLOAT32 0 200 #define TGSI_IMM_UINT32 1 201 #define TGSI_IMM_INT32 2 202 203 struct tgsi_immediate 204 { 205 unsigned Type : 4; /**< TGSI_TOKEN_TYPE_IMMEDIATE */ 206 unsigned NrTokens : 14; /**< UINT */ 207 unsigned DataType : 4; /**< one of TGSI_IMM_x */ 208 unsigned Padding : 10; 209 }; 210 211 union tgsi_immediate_data 212 { 213 float Float; 214 unsigned Uint; 215 int Int; 216 }; 217 218 #define TGSI_PROPERTY_GS_INPUT_PRIM 0 219 #define TGSI_PROPERTY_GS_OUTPUT_PRIM 1 220 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2 221 #define TGSI_PROPERTY_FS_COORD_ORIGIN 3 222 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4 223 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5 224 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT 6 225 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS 7 226 #define TGSI_PROPERTY_COUNT 8 227 228 struct tgsi_property { 229 unsigned Type : 4; /**< TGSI_TOKEN_TYPE_PROPERTY */ 230 unsigned NrTokens : 8; /**< UINT */ 231 unsigned PropertyName : 8; /**< one of TGSI_PROPERTY */ 232 unsigned Padding : 12; 233 }; 234 235 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0 236 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1 237 238 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0 239 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1 240 241 #define TGSI_FS_DEPTH_LAYOUT_NONE 0 242 #define TGSI_FS_DEPTH_LAYOUT_ANY 1 243 #define TGSI_FS_DEPTH_LAYOUT_GREATER 2 244 #define TGSI_FS_DEPTH_LAYOUT_LESS 3 245 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED 4 246 247 248 struct tgsi_property_data { 249 unsigned Data; 250 }; 251 252 /* TGSI opcodes. 253 * 254 * For more information on semantics of opcodes and 255 * which APIs are known to use which opcodes, see 256 * gallium/docs/source/tgsi.rst 257 */ 258 #define TGSI_OPCODE_ARL 0 259 #define TGSI_OPCODE_MOV 1 260 #define TGSI_OPCODE_LIT 2 261 #define TGSI_OPCODE_RCP 3 262 #define TGSI_OPCODE_RSQ 4 263 #define TGSI_OPCODE_EXP 5 264 #define TGSI_OPCODE_LOG 6 265 #define TGSI_OPCODE_MUL 7 266 #define TGSI_OPCODE_ADD 8 267 #define TGSI_OPCODE_DP3 9 268 #define TGSI_OPCODE_DP4 10 269 #define TGSI_OPCODE_DST 11 270 #define TGSI_OPCODE_MIN 12 271 #define TGSI_OPCODE_MAX 13 272 #define TGSI_OPCODE_SLT 14 273 #define TGSI_OPCODE_SGE 15 274 #define TGSI_OPCODE_MAD 16 275 #define TGSI_OPCODE_SUB 17 276 #define TGSI_OPCODE_LRP 18 277 #define TGSI_OPCODE_CND 19 278 /* gap */ 279 #define TGSI_OPCODE_DP2A 21 280 /* gap */ 281 #define TGSI_OPCODE_FRC 24 282 #define TGSI_OPCODE_CLAMP 25 283 #define TGSI_OPCODE_FLR 26 284 #define TGSI_OPCODE_ROUND 27 285 #define TGSI_OPCODE_EX2 28 286 #define TGSI_OPCODE_LG2 29 287 #define TGSI_OPCODE_POW 30 288 #define TGSI_OPCODE_XPD 31 289 /* gap */ 290 #define TGSI_OPCODE_ABS 33 291 #define TGSI_OPCODE_RCC 34 292 #define TGSI_OPCODE_DPH 35 293 #define TGSI_OPCODE_COS 36 294 #define TGSI_OPCODE_DDX 37 295 #define TGSI_OPCODE_DDY 38 296 #define TGSI_OPCODE_KILP 39 /* predicated kill */ 297 #define TGSI_OPCODE_PK2H 40 298 #define TGSI_OPCODE_PK2US 41 299 #define TGSI_OPCODE_PK4B 42 300 #define TGSI_OPCODE_PK4UB 43 301 #define TGSI_OPCODE_RFL 44 302 #define TGSI_OPCODE_SEQ 45 303 #define TGSI_OPCODE_SFL 46 304 #define TGSI_OPCODE_SGT 47 305 #define TGSI_OPCODE_SIN 48 306 #define TGSI_OPCODE_SLE 49 307 #define TGSI_OPCODE_SNE 50 308 #define TGSI_OPCODE_STR 51 309 #define TGSI_OPCODE_TEX 52 310 #define TGSI_OPCODE_TXD 53 311 #define TGSI_OPCODE_TXP 54 312 #define TGSI_OPCODE_UP2H 55 313 #define TGSI_OPCODE_UP2US 56 314 #define TGSI_OPCODE_UP4B 57 315 #define TGSI_OPCODE_UP4UB 58 316 #define TGSI_OPCODE_X2D 59 317 #define TGSI_OPCODE_ARA 60 318 #define TGSI_OPCODE_ARR 61 319 #define TGSI_OPCODE_BRA 62 320 #define TGSI_OPCODE_CAL 63 321 #define TGSI_OPCODE_RET 64 322 #define TGSI_OPCODE_SSG 65 /* SGN */ 323 #define TGSI_OPCODE_CMP 66 324 #define TGSI_OPCODE_SCS 67 325 #define TGSI_OPCODE_TXB 68 326 #define TGSI_OPCODE_NRM 69 327 #define TGSI_OPCODE_DIV 70 328 #define TGSI_OPCODE_DP2 71 329 #define TGSI_OPCODE_TXL 72 330 #define TGSI_OPCODE_BRK 73 331 #define TGSI_OPCODE_IF 74 332 /* gap */ 333 #define TGSI_OPCODE_ELSE 77 334 #define TGSI_OPCODE_ENDIF 78 335 /* gap */ 336 #define TGSI_OPCODE_PUSHA 81 337 #define TGSI_OPCODE_POPA 82 338 #define TGSI_OPCODE_CEIL 83 339 #define TGSI_OPCODE_I2F 84 340 #define TGSI_OPCODE_NOT 85 341 #define TGSI_OPCODE_TRUNC 86 342 #define TGSI_OPCODE_SHL 87 343 /* gap */ 344 #define TGSI_OPCODE_AND 89 345 #define TGSI_OPCODE_OR 90 346 #define TGSI_OPCODE_MOD 91 347 #define TGSI_OPCODE_XOR 92 348 #define TGSI_OPCODE_SAD 93 349 #define TGSI_OPCODE_TXF 94 350 #define TGSI_OPCODE_TXQ 95 351 #define TGSI_OPCODE_CONT 96 352 #define TGSI_OPCODE_EMIT 97 353 #define TGSI_OPCODE_ENDPRIM 98 354 #define TGSI_OPCODE_BGNLOOP 99 355 #define TGSI_OPCODE_BGNSUB 100 356 #define TGSI_OPCODE_ENDLOOP 101 357 #define TGSI_OPCODE_ENDSUB 102 358 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */ 359 /* gap */ 360 #define TGSI_OPCODE_NOP 107 361 /* gap */ 362 #define TGSI_OPCODE_NRM4 112 363 #define TGSI_OPCODE_CALLNZ 113 364 #define TGSI_OPCODE_IFC 114 365 #define TGSI_OPCODE_BREAKC 115 366 #define TGSI_OPCODE_KIL 116 /* conditional kill */ 367 #define TGSI_OPCODE_END 117 /* aka HALT */ 368 /* gap */ 369 #define TGSI_OPCODE_F2I 119 370 #define TGSI_OPCODE_IDIV 120 371 #define TGSI_OPCODE_IMAX 121 372 #define TGSI_OPCODE_IMIN 122 373 #define TGSI_OPCODE_INEG 123 374 #define TGSI_OPCODE_ISGE 124 375 #define TGSI_OPCODE_ISHR 125 376 #define TGSI_OPCODE_ISLT 126 377 #define TGSI_OPCODE_F2U 127 378 #define TGSI_OPCODE_U2F 128 379 #define TGSI_OPCODE_UADD 129 380 #define TGSI_OPCODE_UDIV 130 381 #define TGSI_OPCODE_UMAD 131 382 #define TGSI_OPCODE_UMAX 132 383 #define TGSI_OPCODE_UMIN 133 384 #define TGSI_OPCODE_UMOD 134 385 #define TGSI_OPCODE_UMUL 135 386 #define TGSI_OPCODE_USEQ 136 387 #define TGSI_OPCODE_USGE 137 388 #define TGSI_OPCODE_USHR 138 389 #define TGSI_OPCODE_USLT 139 390 #define TGSI_OPCODE_USNE 140 391 #define TGSI_OPCODE_SWITCH 141 392 #define TGSI_OPCODE_CASE 142 393 #define TGSI_OPCODE_DEFAULT 143 394 #define TGSI_OPCODE_ENDSWITCH 144 395 396 /* resource related opcodes */ 397 #define TGSI_OPCODE_SAMPLE 145 398 #define TGSI_OPCODE_SAMPLE_I 146 399 #define TGSI_OPCODE_SAMPLE_I_MS 147 400 #define TGSI_OPCODE_SAMPLE_B 148 401 #define TGSI_OPCODE_SAMPLE_C 149 402 #define TGSI_OPCODE_SAMPLE_C_LZ 150 403 #define TGSI_OPCODE_SAMPLE_D 151 404 #define TGSI_OPCODE_SAMPLE_L 152 405 #define TGSI_OPCODE_GATHER4 153 406 #define TGSI_OPCODE_SVIEWINFO 154 407 #define TGSI_OPCODE_SAMPLE_POS 155 408 #define TGSI_OPCODE_SAMPLE_INFO 156 409 410 #define TGSI_OPCODE_UARL 157 411 #define TGSI_OPCODE_UCMP 158 412 #define TGSI_OPCODE_IABS 159 413 #define TGSI_OPCODE_ISSG 160 414 415 #define TGSI_OPCODE_LOAD 161 416 #define TGSI_OPCODE_STORE 162 417 418 #define TGSI_OPCODE_MFENCE 163 419 #define TGSI_OPCODE_LFENCE 164 420 #define TGSI_OPCODE_SFENCE 165 421 #define TGSI_OPCODE_BARRIER 166 422 423 #define TGSI_OPCODE_ATOMUADD 167 424 #define TGSI_OPCODE_ATOMXCHG 168 425 #define TGSI_OPCODE_ATOMCAS 169 426 #define TGSI_OPCODE_ATOMAND 170 427 #define TGSI_OPCODE_ATOMOR 171 428 #define TGSI_OPCODE_ATOMXOR 172 429 #define TGSI_OPCODE_ATOMUMIN 173 430 #define TGSI_OPCODE_ATOMUMAX 174 431 #define TGSI_OPCODE_ATOMIMIN 175 432 #define TGSI_OPCODE_ATOMIMAX 176 433 434 #define TGSI_OPCODE_LAST 177 435 436 #define TGSI_SAT_NONE 0 /* do not saturate */ 437 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */ 438 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */ 439 440 /** 441 * Opcode is the operation code to execute. A given operation defines the 442 * semantics how the source registers (if any) are interpreted and what is 443 * written to the destination registers (if any) as a result of execution. 444 * 445 * NumDstRegs and NumSrcRegs is the number of destination and source registers, 446 * respectively. For a given operation code, those numbers are fixed and are 447 * present here only for convenience. 448 * 449 * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows. 450 * 451 * Saturate controls how are final results in destination registers modified. 452 */ 453 454 struct tgsi_instruction 455 { 456 unsigned Type : 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */ 457 unsigned NrTokens : 8; /* UINT */ 458 unsigned Opcode : 8; /* TGSI_OPCODE_ */ 459 unsigned Saturate : 2; /* TGSI_SAT_ */ 460 unsigned NumDstRegs : 2; /* UINT */ 461 unsigned NumSrcRegs : 4; /* UINT */ 462 unsigned Predicate : 1; /* BOOL */ 463 unsigned Label : 1; 464 unsigned Texture : 1; 465 unsigned Padding : 1; 466 }; 467 468 /* 469 * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows. 470 * 471 * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows. 472 * if texture instruction has a number of offsets, 473 * then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow. 474 * 475 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow. 476 * 477 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow. 478 * 479 * tgsi_instruction::NrTokens contains the total number of words that make the 480 * instruction, including the instruction word. 481 */ 482 483 #define TGSI_SWIZZLE_X 0 484 #define TGSI_SWIZZLE_Y 1 485 #define TGSI_SWIZZLE_Z 2 486 #define TGSI_SWIZZLE_W 3 487 488 struct tgsi_instruction_label 489 { 490 unsigned Label : 24; /* UINT */ 491 unsigned Padding : 8; 492 }; 493 494 #define TGSI_TEXTURE_BUFFER 0 495 #define TGSI_TEXTURE_1D 1 496 #define TGSI_TEXTURE_2D 2 497 #define TGSI_TEXTURE_3D 3 498 #define TGSI_TEXTURE_CUBE 4 499 #define TGSI_TEXTURE_RECT 5 500 #define TGSI_TEXTURE_SHADOW1D 6 501 #define TGSI_TEXTURE_SHADOW2D 7 502 #define TGSI_TEXTURE_SHADOWRECT 8 503 #define TGSI_TEXTURE_1D_ARRAY 9 504 #define TGSI_TEXTURE_2D_ARRAY 10 505 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11 506 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12 507 #define TGSI_TEXTURE_SHADOWCUBE 13 508 #define TGSI_TEXTURE_2D_MSAA 14 509 #define TGSI_TEXTURE_2D_ARRAY_MSAA 15 510 #define TGSI_TEXTURE_UNKNOWN 16 511 #define TGSI_TEXTURE_COUNT 17 512 513 struct tgsi_instruction_texture 514 { 515 unsigned Texture : 8; /* TGSI_TEXTURE_ */ 516 unsigned NumOffsets : 4; 517 unsigned Padding : 20; 518 }; 519 520 /* for texture offsets in GLSL and DirectX. 521 * Generally these always come from TGSI_FILE_IMMEDIATE, 522 * however DX11 appears to have the capability to do 523 * non-constant texture offsets. 524 */ 525 struct tgsi_texture_offset 526 { 527 int Index : 16; 528 unsigned File : 4; /**< one of TGSI_FILE_x */ 529 unsigned SwizzleX : 2; /* TGSI_SWIZZLE_x */ 530 unsigned SwizzleY : 2; /* TGSI_SWIZZLE_x */ 531 unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_x */ 532 unsigned Padding : 6; 533 }; 534 535 /* 536 * For SM3, the following constraint applies. 537 * - Swizzle is either set to identity or replicate. 538 */ 539 struct tgsi_instruction_predicate 540 { 541 int Index : 16; /* SINT */ 542 unsigned SwizzleX : 2; /* TGSI_SWIZZLE_x */ 543 unsigned SwizzleY : 2; /* TGSI_SWIZZLE_x */ 544 unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_x */ 545 unsigned SwizzleW : 2; /* TGSI_SWIZZLE_x */ 546 unsigned Negate : 1; /* BOOL */ 547 unsigned Padding : 7; 548 }; 549 550 /** 551 * File specifies the register array to access. 552 * 553 * Index specifies the element number of a register in the register file. 554 * 555 * If Indirect is TRUE, Index should be offset by the X component of a source 556 * register that follows. The register can be now fetched into local storage 557 * for further processing. 558 * 559 * If Negate is TRUE, all components of the fetched register are negated. 560 * 561 * The fetched register components are swizzled according to SwizzleX, SwizzleY, 562 * SwizzleZ and SwizzleW. 563 * 564 */ 565 566 struct tgsi_src_register 567 { 568 unsigned File : 4; /* TGSI_FILE_ */ 569 unsigned Indirect : 1; /* BOOL */ 570 unsigned Dimension : 1; /* BOOL */ 571 int Index : 16; /* SINT */ 572 unsigned SwizzleX : 2; /* TGSI_SWIZZLE_ */ 573 unsigned SwizzleY : 2; /* TGSI_SWIZZLE_ */ 574 unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_ */ 575 unsigned SwizzleW : 2; /* TGSI_SWIZZLE_ */ 576 unsigned Absolute : 1; /* BOOL */ 577 unsigned Negate : 1; /* BOOL */ 578 }; 579 580 /** 581 * If tgsi_src_register::Modifier is TRUE, tgsi_src_register_modifier follows. 582 * 583 * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register 584 * follows. 585 * 586 * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows. 587 */ 588 589 590 struct tgsi_dimension 591 { 592 unsigned Indirect : 1; /* BOOL */ 593 unsigned Dimension : 1; /* BOOL */ 594 unsigned Padding : 14; 595 int Index : 16; /* SINT */ 596 }; 597 598 struct tgsi_dst_register 599 { 600 unsigned File : 4; /* TGSI_FILE_ */ 601 unsigned WriteMask : 4; /* TGSI_WRITEMASK_ */ 602 unsigned Indirect : 1; /* BOOL */ 603 unsigned Dimension : 1; /* BOOL */ 604 int Index : 16; /* SINT */ 605 unsigned Padding : 6; 606 }; 607 608 609 #ifdef __cplusplus 610 } 611 #endif 612 613 #endif /* P_SHADER_TOKENS_H */ 614
