1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright 2009-2010 VMware, Inc.
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:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
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.
27 **************************************************************************/
29 #ifndef P_SHADER_TOKENS_H
30 #define P_SHADER_TOKENS_H
39 unsigned HeaderSize
: 8;
40 unsigned BodySize
: 24;
43 #define TGSI_PROCESSOR_FRAGMENT 0
44 #define TGSI_PROCESSOR_VERTEX 1
45 #define TGSI_PROCESSOR_GEOMETRY 2
46 #define TGSI_PROCESSOR_COMPUTE 3
50 unsigned Processor
: 4; /* TGSI_PROCESSOR_ */
51 unsigned Padding
: 28;
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
61 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_x */
62 unsigned NrTokens
: 8; /**< UINT */
63 unsigned Padding
: 20;
68 TGSI_FILE_CONSTANT
=1,
71 TGSI_FILE_TEMPORARY
=4,
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 */
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
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
106 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
107 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
108 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
109 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
111 struct tgsi_declaration
113 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_DECLARATION */
114 unsigned NrTokens
: 8; /**< UINT */
115 unsigned File
: 4; /**< one of TGSI_FILE_x */
116 unsigned UsageMask
: 4; /**< bitmask of TGSI_WRITEMASK_x flags */
117 unsigned Dimension
: 1; /**< any extra dimension info? */
118 unsigned Semantic
: 1; /**< BOOL, any semantic info? */
119 unsigned Interpolate
: 1; /**< any interpolation info? */
120 unsigned Invariant
: 1; /**< invariant optimization? */
121 unsigned Local
: 1; /**< optimize as subroutine local variable? */
122 unsigned Array
: 1; /**< extra array info? */
123 unsigned Padding
: 6;
126 struct tgsi_declaration_range
128 unsigned First
: 16; /**< UINT */
129 unsigned Last
: 16; /**< UINT */
132 struct tgsi_declaration_dimension
134 unsigned Index2D
:16; /**< UINT */
138 struct tgsi_declaration_interp
140 unsigned Interpolate
: 4; /**< one of TGSI_INTERPOLATE_x */
141 unsigned Centroid
: 1; /**< centroid sampling? */
142 unsigned CylindricalWrap
:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
143 unsigned Padding
: 23;
146 #define TGSI_SEMANTIC_POSITION 0
147 #define TGSI_SEMANTIC_COLOR 1
148 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
149 #define TGSI_SEMANTIC_FOG 3
150 #define TGSI_SEMANTIC_PSIZE 4
151 #define TGSI_SEMANTIC_GENERIC 5
152 #define TGSI_SEMANTIC_NORMAL 6
153 #define TGSI_SEMANTIC_FACE 7
154 #define TGSI_SEMANTIC_EDGEFLAG 8
155 #define TGSI_SEMANTIC_PRIMID 9
156 #define TGSI_SEMANTIC_INSTANCEID 10
157 #define TGSI_SEMANTIC_VERTEXID 11
158 #define TGSI_SEMANTIC_STENCIL 12
159 #define TGSI_SEMANTIC_CLIPDIST 13
160 #define TGSI_SEMANTIC_CLIPVERTEX 14
161 #define TGSI_SEMANTIC_GRID_SIZE 15 /**< grid size in blocks */
162 #define TGSI_SEMANTIC_BLOCK_ID 16 /**< id of the current block */
163 #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */
164 #define TGSI_SEMANTIC_THREAD_ID 18 /**< block-relative id of the current thread */
165 #define TGSI_SEMANTIC_TEXCOORD 19 /**< texture or sprite coordinates */
166 #define TGSI_SEMANTIC_PCOORD 20 /**< point sprite coordinate */
167 #define TGSI_SEMANTIC_COUNT 21 /**< number of semantic values */
169 struct tgsi_declaration_semantic
171 unsigned Name
: 8; /**< one of TGSI_SEMANTIC_x */
172 unsigned Index
: 16; /**< UINT */
173 unsigned Padding
: 8;
176 struct tgsi_declaration_resource
{
177 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
179 unsigned Writable
: 1;
180 unsigned Padding
: 22;
183 struct tgsi_declaration_sampler_view
{
184 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
185 unsigned ReturnTypeX
: 6; /**< one of enum pipe_type */
186 unsigned ReturnTypeY
: 6; /**< one of enum pipe_type */
187 unsigned ReturnTypeZ
: 6; /**< one of enum pipe_type */
188 unsigned ReturnTypeW
: 6; /**< one of enum pipe_type */
191 struct tgsi_declaration_array
{
192 unsigned ArrayID
: 10;
193 unsigned Padding
: 22;
197 * Special resources that don't need to be declared. They map to the
198 * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
200 #define TGSI_RESOURCE_GLOBAL 0x7fff
201 #define TGSI_RESOURCE_LOCAL 0x7ffe
202 #define TGSI_RESOURCE_PRIVATE 0x7ffd
203 #define TGSI_RESOURCE_INPUT 0x7ffc
205 #define TGSI_IMM_FLOAT32 0
206 #define TGSI_IMM_UINT32 1
207 #define TGSI_IMM_INT32 2
209 struct tgsi_immediate
211 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_IMMEDIATE */
212 unsigned NrTokens
: 14; /**< UINT */
213 unsigned DataType
: 4; /**< one of TGSI_IMM_x */
214 unsigned Padding
: 10;
217 union tgsi_immediate_data
224 #define TGSI_PROPERTY_GS_INPUT_PRIM 0
225 #define TGSI_PROPERTY_GS_OUTPUT_PRIM 1
226 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
227 #define TGSI_PROPERTY_FS_COORD_ORIGIN 3
228 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4
229 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
230 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT 6
231 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS 7
232 #define TGSI_PROPERTY_COUNT 8
234 struct tgsi_property
{
235 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_PROPERTY */
236 unsigned NrTokens
: 8; /**< UINT */
237 unsigned PropertyName
: 8; /**< one of TGSI_PROPERTY */
238 unsigned Padding
: 12;
241 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
242 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
244 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
245 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
247 #define TGSI_FS_DEPTH_LAYOUT_NONE 0
248 #define TGSI_FS_DEPTH_LAYOUT_ANY 1
249 #define TGSI_FS_DEPTH_LAYOUT_GREATER 2
250 #define TGSI_FS_DEPTH_LAYOUT_LESS 3
251 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED 4
254 struct tgsi_property_data
{
260 * For more information on semantics of opcodes and
261 * which APIs are known to use which opcodes, see
262 * gallium/docs/source/tgsi.rst
264 #define TGSI_OPCODE_ARL 0
265 #define TGSI_OPCODE_MOV 1
266 #define TGSI_OPCODE_LIT 2
267 #define TGSI_OPCODE_RCP 3
268 #define TGSI_OPCODE_RSQ 4
269 #define TGSI_OPCODE_EXP 5
270 #define TGSI_OPCODE_LOG 6
271 #define TGSI_OPCODE_MUL 7
272 #define TGSI_OPCODE_ADD 8
273 #define TGSI_OPCODE_DP3 9
274 #define TGSI_OPCODE_DP4 10
275 #define TGSI_OPCODE_DST 11
276 #define TGSI_OPCODE_MIN 12
277 #define TGSI_OPCODE_MAX 13
278 #define TGSI_OPCODE_SLT 14
279 #define TGSI_OPCODE_SGE 15
280 #define TGSI_OPCODE_MAD 16
281 #define TGSI_OPCODE_SUB 17
282 #define TGSI_OPCODE_LRP 18
283 #define TGSI_OPCODE_CND 19
284 #define TGSI_OPCODE_SQRT 20
285 #define TGSI_OPCODE_DP2A 21
287 #define TGSI_OPCODE_FRC 24
288 #define TGSI_OPCODE_CLAMP 25
289 #define TGSI_OPCODE_FLR 26
290 #define TGSI_OPCODE_ROUND 27
291 #define TGSI_OPCODE_EX2 28
292 #define TGSI_OPCODE_LG2 29
293 #define TGSI_OPCODE_POW 30
294 #define TGSI_OPCODE_XPD 31
296 #define TGSI_OPCODE_ABS 33
297 #define TGSI_OPCODE_RCC 34
298 #define TGSI_OPCODE_DPH 35
299 #define TGSI_OPCODE_COS 36
300 #define TGSI_OPCODE_DDX 37
301 #define TGSI_OPCODE_DDY 38
302 #define TGSI_OPCODE_KILP 39 /* predicated kill */
303 #define TGSI_OPCODE_PK2H 40
304 #define TGSI_OPCODE_PK2US 41
305 #define TGSI_OPCODE_PK4B 42
306 #define TGSI_OPCODE_PK4UB 43
307 #define TGSI_OPCODE_RFL 44
308 #define TGSI_OPCODE_SEQ 45
309 #define TGSI_OPCODE_SFL 46
310 #define TGSI_OPCODE_SGT 47
311 #define TGSI_OPCODE_SIN 48
312 #define TGSI_OPCODE_SLE 49
313 #define TGSI_OPCODE_SNE 50
314 #define TGSI_OPCODE_STR 51
315 #define TGSI_OPCODE_TEX 52
316 #define TGSI_OPCODE_TXD 53
317 #define TGSI_OPCODE_TXP 54
318 #define TGSI_OPCODE_UP2H 55
319 #define TGSI_OPCODE_UP2US 56
320 #define TGSI_OPCODE_UP4B 57
321 #define TGSI_OPCODE_UP4UB 58
322 #define TGSI_OPCODE_X2D 59
323 #define TGSI_OPCODE_ARA 60
324 #define TGSI_OPCODE_ARR 61
325 #define TGSI_OPCODE_BRA 62
326 #define TGSI_OPCODE_CAL 63
327 #define TGSI_OPCODE_RET 64
328 #define TGSI_OPCODE_SSG 65 /* SGN */
329 #define TGSI_OPCODE_CMP 66
330 #define TGSI_OPCODE_SCS 67
331 #define TGSI_OPCODE_TXB 68
332 #define TGSI_OPCODE_NRM 69
333 #define TGSI_OPCODE_DIV 70
334 #define TGSI_OPCODE_DP2 71
335 #define TGSI_OPCODE_TXL 72
336 #define TGSI_OPCODE_BRK 73
337 #define TGSI_OPCODE_IF 74
339 #define TGSI_OPCODE_ELSE 77
340 #define TGSI_OPCODE_ENDIF 78
342 #define TGSI_OPCODE_PUSHA 81
343 #define TGSI_OPCODE_POPA 82
344 #define TGSI_OPCODE_CEIL 83
345 #define TGSI_OPCODE_I2F 84
346 #define TGSI_OPCODE_NOT 85
347 #define TGSI_OPCODE_TRUNC 86
348 #define TGSI_OPCODE_SHL 87
350 #define TGSI_OPCODE_AND 89
351 #define TGSI_OPCODE_OR 90
352 #define TGSI_OPCODE_MOD 91
353 #define TGSI_OPCODE_XOR 92
354 #define TGSI_OPCODE_SAD 93
355 #define TGSI_OPCODE_TXF 94
356 #define TGSI_OPCODE_TXQ 95
357 #define TGSI_OPCODE_CONT 96
358 #define TGSI_OPCODE_EMIT 97
359 #define TGSI_OPCODE_ENDPRIM 98
360 #define TGSI_OPCODE_BGNLOOP 99
361 #define TGSI_OPCODE_BGNSUB 100
362 #define TGSI_OPCODE_ENDLOOP 101
363 #define TGSI_OPCODE_ENDSUB 102
364 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */
366 #define TGSI_OPCODE_NOP 107
368 #define TGSI_OPCODE_NRM4 112
369 #define TGSI_OPCODE_CALLNZ 113
370 #define TGSI_OPCODE_IFC 114
371 #define TGSI_OPCODE_BREAKC 115
372 #define TGSI_OPCODE_KIL 116 /* conditional kill */
373 #define TGSI_OPCODE_END 117 /* aka HALT */
375 #define TGSI_OPCODE_F2I 119
376 #define TGSI_OPCODE_IDIV 120
377 #define TGSI_OPCODE_IMAX 121
378 #define TGSI_OPCODE_IMIN 122
379 #define TGSI_OPCODE_INEG 123
380 #define TGSI_OPCODE_ISGE 124
381 #define TGSI_OPCODE_ISHR 125
382 #define TGSI_OPCODE_ISLT 126
383 #define TGSI_OPCODE_F2U 127
384 #define TGSI_OPCODE_U2F 128
385 #define TGSI_OPCODE_UADD 129
386 #define TGSI_OPCODE_UDIV 130
387 #define TGSI_OPCODE_UMAD 131
388 #define TGSI_OPCODE_UMAX 132
389 #define TGSI_OPCODE_UMIN 133
390 #define TGSI_OPCODE_UMOD 134
391 #define TGSI_OPCODE_UMUL 135
392 #define TGSI_OPCODE_USEQ 136
393 #define TGSI_OPCODE_USGE 137
394 #define TGSI_OPCODE_USHR 138
395 #define TGSI_OPCODE_USLT 139
396 #define TGSI_OPCODE_USNE 140
397 #define TGSI_OPCODE_SWITCH 141
398 #define TGSI_OPCODE_CASE 142
399 #define TGSI_OPCODE_DEFAULT 143
400 #define TGSI_OPCODE_ENDSWITCH 144
402 /* resource related opcodes */
403 #define TGSI_OPCODE_SAMPLE 145
404 #define TGSI_OPCODE_SAMPLE_I 146
405 #define TGSI_OPCODE_SAMPLE_I_MS 147
406 #define TGSI_OPCODE_SAMPLE_B 148
407 #define TGSI_OPCODE_SAMPLE_C 149
408 #define TGSI_OPCODE_SAMPLE_C_LZ 150
409 #define TGSI_OPCODE_SAMPLE_D 151
410 #define TGSI_OPCODE_SAMPLE_L 152
411 #define TGSI_OPCODE_GATHER4 153
412 #define TGSI_OPCODE_SVIEWINFO 154
413 #define TGSI_OPCODE_SAMPLE_POS 155
414 #define TGSI_OPCODE_SAMPLE_INFO 156
416 #define TGSI_OPCODE_UARL 157
417 #define TGSI_OPCODE_UCMP 158
418 #define TGSI_OPCODE_IABS 159
419 #define TGSI_OPCODE_ISSG 160
421 #define TGSI_OPCODE_LOAD 161
422 #define TGSI_OPCODE_STORE 162
424 #define TGSI_OPCODE_MFENCE 163
425 #define TGSI_OPCODE_LFENCE 164
426 #define TGSI_OPCODE_SFENCE 165
427 #define TGSI_OPCODE_BARRIER 166
429 #define TGSI_OPCODE_ATOMUADD 167
430 #define TGSI_OPCODE_ATOMXCHG 168
431 #define TGSI_OPCODE_ATOMCAS 169
432 #define TGSI_OPCODE_ATOMAND 170
433 #define TGSI_OPCODE_ATOMOR 171
434 #define TGSI_OPCODE_ATOMXOR 172
435 #define TGSI_OPCODE_ATOMUMIN 173
436 #define TGSI_OPCODE_ATOMUMAX 174
437 #define TGSI_OPCODE_ATOMIMIN 175
438 #define TGSI_OPCODE_ATOMIMAX 176
440 /* to be used for shadow cube map compares */
441 #define TGSI_OPCODE_TEX2 177
442 #define TGSI_OPCODE_TXB2 178
443 #define TGSI_OPCODE_TXL2 179
445 #define TGSI_OPCODE_LAST 180
447 #define TGSI_SAT_NONE 0 /* do not saturate */
448 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
449 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */
452 * Opcode is the operation code to execute. A given operation defines the
453 * semantics how the source registers (if any) are interpreted and what is
454 * written to the destination registers (if any) as a result of execution.
456 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
457 * respectively. For a given operation code, those numbers are fixed and are
458 * present here only for convenience.
460 * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
462 * Saturate controls how are final results in destination registers modified.
465 struct tgsi_instruction
467 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
468 unsigned NrTokens
: 8; /* UINT */
469 unsigned Opcode
: 8; /* TGSI_OPCODE_ */
470 unsigned Saturate
: 2; /* TGSI_SAT_ */
471 unsigned NumDstRegs
: 2; /* UINT */
472 unsigned NumSrcRegs
: 4; /* UINT */
473 unsigned Predicate
: 1; /* BOOL */
475 unsigned Texture
: 1;
476 unsigned Padding
: 1;
480 * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
482 * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
483 * if texture instruction has a number of offsets,
484 * then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
486 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
488 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
490 * tgsi_instruction::NrTokens contains the total number of words that make the
491 * instruction, including the instruction word.
494 #define TGSI_SWIZZLE_X 0
495 #define TGSI_SWIZZLE_Y 1
496 #define TGSI_SWIZZLE_Z 2
497 #define TGSI_SWIZZLE_W 3
499 struct tgsi_instruction_label
501 unsigned Label
: 24; /* UINT */
502 unsigned Padding
: 8;
505 #define TGSI_TEXTURE_BUFFER 0
506 #define TGSI_TEXTURE_1D 1
507 #define TGSI_TEXTURE_2D 2
508 #define TGSI_TEXTURE_3D 3
509 #define TGSI_TEXTURE_CUBE 4
510 #define TGSI_TEXTURE_RECT 5
511 #define TGSI_TEXTURE_SHADOW1D 6
512 #define TGSI_TEXTURE_SHADOW2D 7
513 #define TGSI_TEXTURE_SHADOWRECT 8
514 #define TGSI_TEXTURE_1D_ARRAY 9
515 #define TGSI_TEXTURE_2D_ARRAY 10
516 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
517 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
518 #define TGSI_TEXTURE_SHADOWCUBE 13
519 #define TGSI_TEXTURE_2D_MSAA 14
520 #define TGSI_TEXTURE_2D_ARRAY_MSAA 15
521 #define TGSI_TEXTURE_CUBE_ARRAY 16
522 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
523 #define TGSI_TEXTURE_UNKNOWN 18
524 #define TGSI_TEXTURE_COUNT 19
526 struct tgsi_instruction_texture
528 unsigned Texture
: 8; /* TGSI_TEXTURE_ */
529 unsigned NumOffsets
: 4;
530 unsigned Padding
: 20;
533 /* for texture offsets in GLSL and DirectX.
534 * Generally these always come from TGSI_FILE_IMMEDIATE,
535 * however DX11 appears to have the capability to do
536 * non-constant texture offsets.
538 struct tgsi_texture_offset
541 unsigned File
: 4; /**< one of TGSI_FILE_x */
542 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
543 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
544 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
545 unsigned Padding
: 6;
549 * For SM3, the following constraint applies.
550 * - Swizzle is either set to identity or replicate.
552 struct tgsi_instruction_predicate
554 int Index
: 16; /* SINT */
555 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
556 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
557 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
558 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_x */
559 unsigned Negate
: 1; /* BOOL */
560 unsigned Padding
: 7;
564 * File specifies the register array to access.
566 * Index specifies the element number of a register in the register file.
568 * If Indirect is TRUE, Index should be offset by the X component of the indirect
569 * register that follows. The register can be now fetched into local storage
570 * for further processing.
572 * If Negate is TRUE, all components of the fetched register are negated.
574 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
575 * SwizzleZ and SwizzleW.
579 struct tgsi_src_register
581 unsigned File
: 4; /* TGSI_FILE_ */
582 unsigned Indirect
: 1; /* BOOL */
583 unsigned Dimension
: 1; /* BOOL */
584 int Index
: 16; /* SINT */
585 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_ */
586 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_ */
587 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_ */
588 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_ */
589 unsigned Absolute
: 1; /* BOOL */
590 unsigned Negate
: 1; /* BOOL */
594 * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
596 * File, Index and Swizzle are handled the same as in tgsi_src_register.
598 * If ArrayID is zero the whole register file might be is indirectly addressed,
599 * if not only the Declaration with this ArrayID is accessed by this operand.
603 struct tgsi_ind_register
605 unsigned File
: 4; /* TGSI_FILE_ */
606 int Index
: 16; /* SINT */
607 unsigned Swizzle
: 2; /* TGSI_SWIZZLE_ */
608 unsigned ArrayID
: 10; /* UINT */
612 * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
615 struct tgsi_dimension
617 unsigned Indirect
: 1; /* BOOL */
618 unsigned Dimension
: 1; /* BOOL */
619 unsigned Padding
: 14;
620 int Index
: 16; /* SINT */
623 struct tgsi_dst_register
625 unsigned File
: 4; /* TGSI_FILE_ */
626 unsigned WriteMask
: 4; /* TGSI_WRITEMASK_ */
627 unsigned Indirect
: 1; /* BOOL */
628 unsigned Dimension
: 1; /* BOOL */
629 int Index
: 16; /* SINT */
630 unsigned Padding
: 6;
638 #endif /* P_SHADER_TOKENS_H */