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_COUNT 19 /**< number of semantic values */
167 struct tgsi_declaration_semantic
169 unsigned Name
: 8; /**< one of TGSI_SEMANTIC_x */
170 unsigned Index
: 16; /**< UINT */
171 unsigned Padding
: 8;
174 struct tgsi_declaration_resource
{
175 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
177 unsigned Writable
: 1;
178 unsigned Padding
: 22;
181 struct tgsi_declaration_sampler_view
{
182 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
183 unsigned ReturnTypeX
: 6; /**< one of enum pipe_type */
184 unsigned ReturnTypeY
: 6; /**< one of enum pipe_type */
185 unsigned ReturnTypeZ
: 6; /**< one of enum pipe_type */
186 unsigned ReturnTypeW
: 6; /**< one of enum pipe_type */
189 struct tgsi_declaration_array
{
190 unsigned ArrayID
: 10;
191 unsigned Padding
: 22;
195 * Special resources that don't need to be declared. They map to the
196 * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
198 #define TGSI_RESOURCE_GLOBAL 0x7fff
199 #define TGSI_RESOURCE_LOCAL 0x7ffe
200 #define TGSI_RESOURCE_PRIVATE 0x7ffd
201 #define TGSI_RESOURCE_INPUT 0x7ffc
203 #define TGSI_IMM_FLOAT32 0
204 #define TGSI_IMM_UINT32 1
205 #define TGSI_IMM_INT32 2
207 struct tgsi_immediate
209 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_IMMEDIATE */
210 unsigned NrTokens
: 14; /**< UINT */
211 unsigned DataType
: 4; /**< one of TGSI_IMM_x */
212 unsigned Padding
: 10;
215 union tgsi_immediate_data
222 #define TGSI_PROPERTY_GS_INPUT_PRIM 0
223 #define TGSI_PROPERTY_GS_OUTPUT_PRIM 1
224 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
225 #define TGSI_PROPERTY_FS_COORD_ORIGIN 3
226 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4
227 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
228 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT 6
229 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS 7
230 #define TGSI_PROPERTY_COUNT 8
232 struct tgsi_property
{
233 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_PROPERTY */
234 unsigned NrTokens
: 8; /**< UINT */
235 unsigned PropertyName
: 8; /**< one of TGSI_PROPERTY */
236 unsigned Padding
: 12;
239 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
240 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
242 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
243 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
245 #define TGSI_FS_DEPTH_LAYOUT_NONE 0
246 #define TGSI_FS_DEPTH_LAYOUT_ANY 1
247 #define TGSI_FS_DEPTH_LAYOUT_GREATER 2
248 #define TGSI_FS_DEPTH_LAYOUT_LESS 3
249 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED 4
252 struct tgsi_property_data
{
258 * For more information on semantics of opcodes and
259 * which APIs are known to use which opcodes, see
260 * gallium/docs/source/tgsi.rst
262 #define TGSI_OPCODE_ARL 0
263 #define TGSI_OPCODE_MOV 1
264 #define TGSI_OPCODE_LIT 2
265 #define TGSI_OPCODE_RCP 3
266 #define TGSI_OPCODE_RSQ 4
267 #define TGSI_OPCODE_EXP 5
268 #define TGSI_OPCODE_LOG 6
269 #define TGSI_OPCODE_MUL 7
270 #define TGSI_OPCODE_ADD 8
271 #define TGSI_OPCODE_DP3 9
272 #define TGSI_OPCODE_DP4 10
273 #define TGSI_OPCODE_DST 11
274 #define TGSI_OPCODE_MIN 12
275 #define TGSI_OPCODE_MAX 13
276 #define TGSI_OPCODE_SLT 14
277 #define TGSI_OPCODE_SGE 15
278 #define TGSI_OPCODE_MAD 16
279 #define TGSI_OPCODE_SUB 17
280 #define TGSI_OPCODE_LRP 18
281 #define TGSI_OPCODE_CND 19
282 #define TGSI_OPCODE_SQRT 20
283 #define TGSI_OPCODE_DP2A 21
285 #define TGSI_OPCODE_FRC 24
286 #define TGSI_OPCODE_CLAMP 25
287 #define TGSI_OPCODE_FLR 26
288 #define TGSI_OPCODE_ROUND 27
289 #define TGSI_OPCODE_EX2 28
290 #define TGSI_OPCODE_LG2 29
291 #define TGSI_OPCODE_POW 30
292 #define TGSI_OPCODE_XPD 31
294 #define TGSI_OPCODE_ABS 33
295 #define TGSI_OPCODE_RCC 34
296 #define TGSI_OPCODE_DPH 35
297 #define TGSI_OPCODE_COS 36
298 #define TGSI_OPCODE_DDX 37
299 #define TGSI_OPCODE_DDY 38
300 #define TGSI_OPCODE_KILP 39 /* predicated kill */
301 #define TGSI_OPCODE_PK2H 40
302 #define TGSI_OPCODE_PK2US 41
303 #define TGSI_OPCODE_PK4B 42
304 #define TGSI_OPCODE_PK4UB 43
305 #define TGSI_OPCODE_RFL 44
306 #define TGSI_OPCODE_SEQ 45
307 #define TGSI_OPCODE_SFL 46
308 #define TGSI_OPCODE_SGT 47
309 #define TGSI_OPCODE_SIN 48
310 #define TGSI_OPCODE_SLE 49
311 #define TGSI_OPCODE_SNE 50
312 #define TGSI_OPCODE_STR 51
313 #define TGSI_OPCODE_TEX 52
314 #define TGSI_OPCODE_TXD 53
315 #define TGSI_OPCODE_TXP 54
316 #define TGSI_OPCODE_UP2H 55
317 #define TGSI_OPCODE_UP2US 56
318 #define TGSI_OPCODE_UP4B 57
319 #define TGSI_OPCODE_UP4UB 58
320 #define TGSI_OPCODE_X2D 59
321 #define TGSI_OPCODE_ARA 60
322 #define TGSI_OPCODE_ARR 61
323 #define TGSI_OPCODE_BRA 62
324 #define TGSI_OPCODE_CAL 63
325 #define TGSI_OPCODE_RET 64
326 #define TGSI_OPCODE_SSG 65 /* SGN */
327 #define TGSI_OPCODE_CMP 66
328 #define TGSI_OPCODE_SCS 67
329 #define TGSI_OPCODE_TXB 68
330 #define TGSI_OPCODE_NRM 69
331 #define TGSI_OPCODE_DIV 70
332 #define TGSI_OPCODE_DP2 71
333 #define TGSI_OPCODE_TXL 72
334 #define TGSI_OPCODE_BRK 73
335 #define TGSI_OPCODE_IF 74
337 #define TGSI_OPCODE_ELSE 77
338 #define TGSI_OPCODE_ENDIF 78
340 #define TGSI_OPCODE_PUSHA 81
341 #define TGSI_OPCODE_POPA 82
342 #define TGSI_OPCODE_CEIL 83
343 #define TGSI_OPCODE_I2F 84
344 #define TGSI_OPCODE_NOT 85
345 #define TGSI_OPCODE_TRUNC 86
346 #define TGSI_OPCODE_SHL 87
348 #define TGSI_OPCODE_AND 89
349 #define TGSI_OPCODE_OR 90
350 #define TGSI_OPCODE_MOD 91
351 #define TGSI_OPCODE_XOR 92
352 #define TGSI_OPCODE_SAD 93
353 #define TGSI_OPCODE_TXF 94
354 #define TGSI_OPCODE_TXQ 95
355 #define TGSI_OPCODE_CONT 96
356 #define TGSI_OPCODE_EMIT 97
357 #define TGSI_OPCODE_ENDPRIM 98
358 #define TGSI_OPCODE_BGNLOOP 99
359 #define TGSI_OPCODE_BGNSUB 100
360 #define TGSI_OPCODE_ENDLOOP 101
361 #define TGSI_OPCODE_ENDSUB 102
362 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */
364 #define TGSI_OPCODE_NOP 107
366 #define TGSI_OPCODE_NRM4 112
367 #define TGSI_OPCODE_CALLNZ 113
368 #define TGSI_OPCODE_IFC 114
369 #define TGSI_OPCODE_BREAKC 115
370 #define TGSI_OPCODE_KIL 116 /* conditional kill */
371 #define TGSI_OPCODE_END 117 /* aka HALT */
373 #define TGSI_OPCODE_F2I 119
374 #define TGSI_OPCODE_IDIV 120
375 #define TGSI_OPCODE_IMAX 121
376 #define TGSI_OPCODE_IMIN 122
377 #define TGSI_OPCODE_INEG 123
378 #define TGSI_OPCODE_ISGE 124
379 #define TGSI_OPCODE_ISHR 125
380 #define TGSI_OPCODE_ISLT 126
381 #define TGSI_OPCODE_F2U 127
382 #define TGSI_OPCODE_U2F 128
383 #define TGSI_OPCODE_UADD 129
384 #define TGSI_OPCODE_UDIV 130
385 #define TGSI_OPCODE_UMAD 131
386 #define TGSI_OPCODE_UMAX 132
387 #define TGSI_OPCODE_UMIN 133
388 #define TGSI_OPCODE_UMOD 134
389 #define TGSI_OPCODE_UMUL 135
390 #define TGSI_OPCODE_USEQ 136
391 #define TGSI_OPCODE_USGE 137
392 #define TGSI_OPCODE_USHR 138
393 #define TGSI_OPCODE_USLT 139
394 #define TGSI_OPCODE_USNE 140
395 #define TGSI_OPCODE_SWITCH 141
396 #define TGSI_OPCODE_CASE 142
397 #define TGSI_OPCODE_DEFAULT 143
398 #define TGSI_OPCODE_ENDSWITCH 144
400 /* resource related opcodes */
401 #define TGSI_OPCODE_SAMPLE 145
402 #define TGSI_OPCODE_SAMPLE_I 146
403 #define TGSI_OPCODE_SAMPLE_I_MS 147
404 #define TGSI_OPCODE_SAMPLE_B 148
405 #define TGSI_OPCODE_SAMPLE_C 149
406 #define TGSI_OPCODE_SAMPLE_C_LZ 150
407 #define TGSI_OPCODE_SAMPLE_D 151
408 #define TGSI_OPCODE_SAMPLE_L 152
409 #define TGSI_OPCODE_GATHER4 153
410 #define TGSI_OPCODE_SVIEWINFO 154
411 #define TGSI_OPCODE_SAMPLE_POS 155
412 #define TGSI_OPCODE_SAMPLE_INFO 156
414 #define TGSI_OPCODE_UARL 157
415 #define TGSI_OPCODE_UCMP 158
416 #define TGSI_OPCODE_IABS 159
417 #define TGSI_OPCODE_ISSG 160
419 #define TGSI_OPCODE_LOAD 161
420 #define TGSI_OPCODE_STORE 162
422 #define TGSI_OPCODE_MFENCE 163
423 #define TGSI_OPCODE_LFENCE 164
424 #define TGSI_OPCODE_SFENCE 165
425 #define TGSI_OPCODE_BARRIER 166
427 #define TGSI_OPCODE_ATOMUADD 167
428 #define TGSI_OPCODE_ATOMXCHG 168
429 #define TGSI_OPCODE_ATOMCAS 169
430 #define TGSI_OPCODE_ATOMAND 170
431 #define TGSI_OPCODE_ATOMOR 171
432 #define TGSI_OPCODE_ATOMXOR 172
433 #define TGSI_OPCODE_ATOMUMIN 173
434 #define TGSI_OPCODE_ATOMUMAX 174
435 #define TGSI_OPCODE_ATOMIMIN 175
436 #define TGSI_OPCODE_ATOMIMAX 176
438 /* to be used for shadow cube map compares */
439 #define TGSI_OPCODE_TEX2 177
440 #define TGSI_OPCODE_TXB2 178
441 #define TGSI_OPCODE_TXL2 179
443 #define TGSI_OPCODE_LAST 180
445 #define TGSI_SAT_NONE 0 /* do not saturate */
446 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
447 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */
450 * Opcode is the operation code to execute. A given operation defines the
451 * semantics how the source registers (if any) are interpreted and what is
452 * written to the destination registers (if any) as a result of execution.
454 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
455 * respectively. For a given operation code, those numbers are fixed and are
456 * present here only for convenience.
458 * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
460 * Saturate controls how are final results in destination registers modified.
463 struct tgsi_instruction
465 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
466 unsigned NrTokens
: 8; /* UINT */
467 unsigned Opcode
: 8; /* TGSI_OPCODE_ */
468 unsigned Saturate
: 2; /* TGSI_SAT_ */
469 unsigned NumDstRegs
: 2; /* UINT */
470 unsigned NumSrcRegs
: 4; /* UINT */
471 unsigned Predicate
: 1; /* BOOL */
473 unsigned Texture
: 1;
474 unsigned Padding
: 1;
478 * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
480 * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
481 * if texture instruction has a number of offsets,
482 * then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
484 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
486 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
488 * tgsi_instruction::NrTokens contains the total number of words that make the
489 * instruction, including the instruction word.
492 #define TGSI_SWIZZLE_X 0
493 #define TGSI_SWIZZLE_Y 1
494 #define TGSI_SWIZZLE_Z 2
495 #define TGSI_SWIZZLE_W 3
497 struct tgsi_instruction_label
499 unsigned Label
: 24; /* UINT */
500 unsigned Padding
: 8;
503 #define TGSI_TEXTURE_BUFFER 0
504 #define TGSI_TEXTURE_1D 1
505 #define TGSI_TEXTURE_2D 2
506 #define TGSI_TEXTURE_3D 3
507 #define TGSI_TEXTURE_CUBE 4
508 #define TGSI_TEXTURE_RECT 5
509 #define TGSI_TEXTURE_SHADOW1D 6
510 #define TGSI_TEXTURE_SHADOW2D 7
511 #define TGSI_TEXTURE_SHADOWRECT 8
512 #define TGSI_TEXTURE_1D_ARRAY 9
513 #define TGSI_TEXTURE_2D_ARRAY 10
514 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
515 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
516 #define TGSI_TEXTURE_SHADOWCUBE 13
517 #define TGSI_TEXTURE_2D_MSAA 14
518 #define TGSI_TEXTURE_2D_ARRAY_MSAA 15
519 #define TGSI_TEXTURE_CUBE_ARRAY 16
520 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
521 #define TGSI_TEXTURE_UNKNOWN 18
522 #define TGSI_TEXTURE_COUNT 19
524 struct tgsi_instruction_texture
526 unsigned Texture
: 8; /* TGSI_TEXTURE_ */
527 unsigned NumOffsets
: 4;
528 unsigned Padding
: 20;
531 /* for texture offsets in GLSL and DirectX.
532 * Generally these always come from TGSI_FILE_IMMEDIATE,
533 * however DX11 appears to have the capability to do
534 * non-constant texture offsets.
536 struct tgsi_texture_offset
539 unsigned File
: 4; /**< one of TGSI_FILE_x */
540 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
541 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
542 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
543 unsigned Padding
: 6;
547 * For SM3, the following constraint applies.
548 * - Swizzle is either set to identity or replicate.
550 struct tgsi_instruction_predicate
552 int Index
: 16; /* SINT */
553 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
554 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
555 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
556 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_x */
557 unsigned Negate
: 1; /* BOOL */
558 unsigned Padding
: 7;
562 * File specifies the register array to access.
564 * Index specifies the element number of a register in the register file.
566 * If Indirect is TRUE, Index should be offset by the X component of the indirect
567 * register that follows. The register can be now fetched into local storage
568 * for further processing.
570 * If Negate is TRUE, all components of the fetched register are negated.
572 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
573 * SwizzleZ and SwizzleW.
577 struct tgsi_src_register
579 unsigned File
: 4; /* TGSI_FILE_ */
580 unsigned Indirect
: 1; /* BOOL */
581 unsigned Dimension
: 1; /* BOOL */
582 int Index
: 16; /* SINT */
583 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_ */
584 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_ */
585 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_ */
586 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_ */
587 unsigned Absolute
: 1; /* BOOL */
588 unsigned Negate
: 1; /* BOOL */
592 * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
594 * File, Index and Swizzle are handled the same as in tgsi_src_register.
596 * If ArrayID is zero the whole register file might be is indirectly addressed,
597 * if not only the Declaration with this ArrayID is accessed by this operand.
601 struct tgsi_ind_register
603 unsigned File
: 4; /* TGSI_FILE_ */
604 int Index
: 16; /* SINT */
605 unsigned Swizzle
: 2; /* TGSI_SWIZZLE_ */
606 unsigned ArrayID
: 10; /* UINT */
610 * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
613 struct tgsi_dimension
615 unsigned Indirect
: 1; /* BOOL */
616 unsigned Dimension
: 1; /* BOOL */
617 unsigned Padding
: 14;
618 int Index
: 16; /* SINT */
621 struct tgsi_dst_register
623 unsigned File
: 4; /* TGSI_FILE_ */
624 unsigned WriteMask
: 4; /* TGSI_WRITEMASK_ */
625 unsigned Indirect
: 1; /* BOOL */
626 unsigned Dimension
: 1; /* BOOL */
627 int Index
: 16; /* SINT */
628 unsigned Padding
: 6;
636 #endif /* P_SHADER_TOKENS_H */