1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
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 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.
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_INTERPOLATE_LOC_CENTER 0
107 #define TGSI_INTERPOLATE_LOC_CENTROID 1
108 #define TGSI_INTERPOLATE_LOC_SAMPLE 2
109 #define TGSI_INTERPOLATE_LOC_COUNT 3
111 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
112 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
113 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
114 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
116 struct tgsi_declaration
118 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_DECLARATION */
119 unsigned NrTokens
: 8; /**< UINT */
120 unsigned File
: 4; /**< one of TGSI_FILE_x */
121 unsigned UsageMask
: 4; /**< bitmask of TGSI_WRITEMASK_x flags */
122 unsigned Dimension
: 1; /**< any extra dimension info? */
123 unsigned Semantic
: 1; /**< BOOL, any semantic info? */
124 unsigned Interpolate
: 1; /**< any interpolation info? */
125 unsigned Invariant
: 1; /**< invariant optimization? */
126 unsigned Local
: 1; /**< optimize as subroutine local variable? */
127 unsigned Array
: 1; /**< extra array info? */
128 unsigned Padding
: 6;
131 struct tgsi_declaration_range
133 unsigned First
: 16; /**< UINT */
134 unsigned Last
: 16; /**< UINT */
137 struct tgsi_declaration_dimension
139 unsigned Index2D
:16; /**< UINT */
143 struct tgsi_declaration_interp
145 unsigned Interpolate
: 4; /**< one of TGSI_INTERPOLATE_x */
146 unsigned Location
: 2; /**< one of TGSI_INTERPOLATE_LOC_x */
147 unsigned CylindricalWrap
:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
148 unsigned Padding
: 22;
151 #define TGSI_SEMANTIC_POSITION 0
152 #define TGSI_SEMANTIC_COLOR 1
153 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
154 #define TGSI_SEMANTIC_FOG 3
155 #define TGSI_SEMANTIC_PSIZE 4
156 #define TGSI_SEMANTIC_GENERIC 5
157 #define TGSI_SEMANTIC_NORMAL 6
158 #define TGSI_SEMANTIC_FACE 7
159 #define TGSI_SEMANTIC_EDGEFLAG 8
160 #define TGSI_SEMANTIC_PRIMID 9
161 #define TGSI_SEMANTIC_INSTANCEID 10 /**< doesn't include start_instance */
162 #define TGSI_SEMANTIC_VERTEXID 11
163 #define TGSI_SEMANTIC_STENCIL 12
164 #define TGSI_SEMANTIC_CLIPDIST 13
165 #define TGSI_SEMANTIC_CLIPVERTEX 14
166 #define TGSI_SEMANTIC_GRID_SIZE 15 /**< grid size in blocks */
167 #define TGSI_SEMANTIC_BLOCK_ID 16 /**< id of the current block */
168 #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */
169 #define TGSI_SEMANTIC_THREAD_ID 18 /**< block-relative id of the current thread */
170 #define TGSI_SEMANTIC_TEXCOORD 19 /**< texture or sprite coordinates */
171 #define TGSI_SEMANTIC_PCOORD 20 /**< point sprite coordinate */
172 #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */
173 #define TGSI_SEMANTIC_LAYER 22 /**< layer (rendertarget index) */
174 #define TGSI_SEMANTIC_CULLDIST 23
175 #define TGSI_SEMANTIC_SAMPLEID 24
176 #define TGSI_SEMANTIC_SAMPLEPOS 25
177 #define TGSI_SEMANTIC_SAMPLEMASK 26
178 #define TGSI_SEMANTIC_INVOCATIONID 27
179 #define TGSI_SEMANTIC_COUNT 28 /**< number of semantic values */
181 struct tgsi_declaration_semantic
183 unsigned Name
: 8; /**< one of TGSI_SEMANTIC_x */
184 unsigned Index
: 16; /**< UINT */
185 unsigned Padding
: 8;
188 struct tgsi_declaration_resource
{
189 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
191 unsigned Writable
: 1;
192 unsigned Padding
: 22;
195 enum tgsi_return_type
{
196 TGSI_RETURN_TYPE_UNORM
= 0,
197 TGSI_RETURN_TYPE_SNORM
,
198 TGSI_RETURN_TYPE_SINT
,
199 TGSI_RETURN_TYPE_UINT
,
200 TGSI_RETURN_TYPE_FLOAT
,
201 TGSI_RETURN_TYPE_COUNT
204 struct tgsi_declaration_sampler_view
{
205 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
206 unsigned ReturnTypeX
: 6; /**< one of enum tgsi_return_type */
207 unsigned ReturnTypeY
: 6; /**< one of enum tgsi_return_type */
208 unsigned ReturnTypeZ
: 6; /**< one of enum tgsi_return_type */
209 unsigned ReturnTypeW
: 6; /**< one of enum tgsi_return_type */
212 struct tgsi_declaration_array
{
213 unsigned ArrayID
: 10;
214 unsigned Padding
: 22;
218 * Special resources that don't need to be declared. They map to the
219 * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
221 #define TGSI_RESOURCE_GLOBAL 0x7fff
222 #define TGSI_RESOURCE_LOCAL 0x7ffe
223 #define TGSI_RESOURCE_PRIVATE 0x7ffd
224 #define TGSI_RESOURCE_INPUT 0x7ffc
226 #define TGSI_IMM_FLOAT32 0
227 #define TGSI_IMM_UINT32 1
228 #define TGSI_IMM_INT32 2
230 struct tgsi_immediate
232 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_IMMEDIATE */
233 unsigned NrTokens
: 14; /**< UINT */
234 unsigned DataType
: 4; /**< one of TGSI_IMM_x */
235 unsigned Padding
: 10;
238 union tgsi_immediate_data
245 #define TGSI_PROPERTY_GS_INPUT_PRIM 0
246 #define TGSI_PROPERTY_GS_OUTPUT_PRIM 1
247 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
248 #define TGSI_PROPERTY_FS_COORD_ORIGIN 3
249 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4
250 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
251 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT 6
252 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS 7
253 #define TGSI_PROPERTY_GS_INVOCATIONS 8
254 #define TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION 9
255 #define TGSI_PROPERTY_COUNT 10
257 struct tgsi_property
{
258 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_PROPERTY */
259 unsigned NrTokens
: 8; /**< UINT */
260 unsigned PropertyName
: 8; /**< one of TGSI_PROPERTY */
261 unsigned Padding
: 12;
264 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
265 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
267 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
268 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
270 #define TGSI_FS_DEPTH_LAYOUT_NONE 0
271 #define TGSI_FS_DEPTH_LAYOUT_ANY 1
272 #define TGSI_FS_DEPTH_LAYOUT_GREATER 2
273 #define TGSI_FS_DEPTH_LAYOUT_LESS 3
274 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED 4
277 struct tgsi_property_data
{
283 * For more information on semantics of opcodes and
284 * which APIs are known to use which opcodes, see
285 * gallium/docs/source/tgsi.rst
287 #define TGSI_OPCODE_ARL 0
288 #define TGSI_OPCODE_MOV 1
289 #define TGSI_OPCODE_LIT 2
290 #define TGSI_OPCODE_RCP 3
291 #define TGSI_OPCODE_RSQ 4
292 #define TGSI_OPCODE_EXP 5
293 #define TGSI_OPCODE_LOG 6
294 #define TGSI_OPCODE_MUL 7
295 #define TGSI_OPCODE_ADD 8
296 #define TGSI_OPCODE_DP3 9
297 #define TGSI_OPCODE_DP4 10
298 #define TGSI_OPCODE_DST 11
299 #define TGSI_OPCODE_MIN 12
300 #define TGSI_OPCODE_MAX 13
301 #define TGSI_OPCODE_SLT 14
302 #define TGSI_OPCODE_SGE 15
303 #define TGSI_OPCODE_MAD 16
304 #define TGSI_OPCODE_SUB 17
305 #define TGSI_OPCODE_LRP 18
306 #define TGSI_OPCODE_CND 19
307 #define TGSI_OPCODE_SQRT 20
308 #define TGSI_OPCODE_DP2A 21
310 #define TGSI_OPCODE_FRC 24
311 #define TGSI_OPCODE_CLAMP 25
312 #define TGSI_OPCODE_FLR 26
313 #define TGSI_OPCODE_ROUND 27
314 #define TGSI_OPCODE_EX2 28
315 #define TGSI_OPCODE_LG2 29
316 #define TGSI_OPCODE_POW 30
317 #define TGSI_OPCODE_XPD 31
319 #define TGSI_OPCODE_ABS 33
320 #define TGSI_OPCODE_RCC 34
321 #define TGSI_OPCODE_DPH 35
322 #define TGSI_OPCODE_COS 36
323 #define TGSI_OPCODE_DDX 37
324 #define TGSI_OPCODE_DDY 38
325 #define TGSI_OPCODE_KILL 39 /* unconditional */
326 #define TGSI_OPCODE_PK2H 40
327 #define TGSI_OPCODE_PK2US 41
328 #define TGSI_OPCODE_PK4B 42
329 #define TGSI_OPCODE_PK4UB 43
330 #define TGSI_OPCODE_RFL 44
331 #define TGSI_OPCODE_SEQ 45
332 #define TGSI_OPCODE_SFL 46
333 #define TGSI_OPCODE_SGT 47
334 #define TGSI_OPCODE_SIN 48
335 #define TGSI_OPCODE_SLE 49
336 #define TGSI_OPCODE_SNE 50
337 #define TGSI_OPCODE_STR 51
338 #define TGSI_OPCODE_TEX 52
339 #define TGSI_OPCODE_TXD 53
340 #define TGSI_OPCODE_TXP 54
341 #define TGSI_OPCODE_UP2H 55
342 #define TGSI_OPCODE_UP2US 56
343 #define TGSI_OPCODE_UP4B 57
344 #define TGSI_OPCODE_UP4UB 58
345 #define TGSI_OPCODE_X2D 59
346 #define TGSI_OPCODE_ARA 60
347 #define TGSI_OPCODE_ARR 61
348 #define TGSI_OPCODE_BRA 62
349 #define TGSI_OPCODE_CAL 63
350 #define TGSI_OPCODE_RET 64
351 #define TGSI_OPCODE_SSG 65 /* SGN */
352 #define TGSI_OPCODE_CMP 66
353 #define TGSI_OPCODE_SCS 67
354 #define TGSI_OPCODE_TXB 68
356 #define TGSI_OPCODE_DIV 70
357 #define TGSI_OPCODE_DP2 71
358 #define TGSI_OPCODE_TXL 72
359 #define TGSI_OPCODE_BRK 73
360 #define TGSI_OPCODE_IF 74
361 #define TGSI_OPCODE_UIF 75
362 #define TGSI_OPCODE_ELSE 77
363 #define TGSI_OPCODE_ENDIF 78
365 #define TGSI_OPCODE_DDX_FINE 79
366 #define TGSI_OPCODE_DDY_FINE 80
368 #define TGSI_OPCODE_PUSHA 81
369 #define TGSI_OPCODE_POPA 82
370 #define TGSI_OPCODE_CEIL 83
371 #define TGSI_OPCODE_I2F 84
372 #define TGSI_OPCODE_NOT 85
373 #define TGSI_OPCODE_TRUNC 86
374 #define TGSI_OPCODE_SHL 87
376 #define TGSI_OPCODE_AND 89
377 #define TGSI_OPCODE_OR 90
378 #define TGSI_OPCODE_MOD 91
379 #define TGSI_OPCODE_XOR 92
380 #define TGSI_OPCODE_SAD 93
381 #define TGSI_OPCODE_TXF 94
382 #define TGSI_OPCODE_TXQ 95
383 #define TGSI_OPCODE_CONT 96
384 #define TGSI_OPCODE_EMIT 97
385 #define TGSI_OPCODE_ENDPRIM 98
386 #define TGSI_OPCODE_BGNLOOP 99
387 #define TGSI_OPCODE_BGNSUB 100
388 #define TGSI_OPCODE_ENDLOOP 101
389 #define TGSI_OPCODE_ENDSUB 102
390 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */
392 #define TGSI_OPCODE_NOP 107
394 #define TGSI_OPCODE_FSEQ 108
395 #define TGSI_OPCODE_FSGE 109
396 #define TGSI_OPCODE_FSLT 110
397 #define TGSI_OPCODE_FSNE 111
400 #define TGSI_OPCODE_CALLNZ 113
402 #define TGSI_OPCODE_BREAKC 115
403 #define TGSI_OPCODE_KILL_IF 116 /* conditional kill */
404 #define TGSI_OPCODE_END 117 /* aka HALT */
406 #define TGSI_OPCODE_F2I 119
407 #define TGSI_OPCODE_IDIV 120
408 #define TGSI_OPCODE_IMAX 121
409 #define TGSI_OPCODE_IMIN 122
410 #define TGSI_OPCODE_INEG 123
411 #define TGSI_OPCODE_ISGE 124
412 #define TGSI_OPCODE_ISHR 125
413 #define TGSI_OPCODE_ISLT 126
414 #define TGSI_OPCODE_F2U 127
415 #define TGSI_OPCODE_U2F 128
416 #define TGSI_OPCODE_UADD 129
417 #define TGSI_OPCODE_UDIV 130
418 #define TGSI_OPCODE_UMAD 131
419 #define TGSI_OPCODE_UMAX 132
420 #define TGSI_OPCODE_UMIN 133
421 #define TGSI_OPCODE_UMOD 134
422 #define TGSI_OPCODE_UMUL 135
423 #define TGSI_OPCODE_USEQ 136
424 #define TGSI_OPCODE_USGE 137
425 #define TGSI_OPCODE_USHR 138
426 #define TGSI_OPCODE_USLT 139
427 #define TGSI_OPCODE_USNE 140
428 #define TGSI_OPCODE_SWITCH 141
429 #define TGSI_OPCODE_CASE 142
430 #define TGSI_OPCODE_DEFAULT 143
431 #define TGSI_OPCODE_ENDSWITCH 144
433 /* resource related opcodes */
434 #define TGSI_OPCODE_SAMPLE 145
435 #define TGSI_OPCODE_SAMPLE_I 146
436 #define TGSI_OPCODE_SAMPLE_I_MS 147
437 #define TGSI_OPCODE_SAMPLE_B 148
438 #define TGSI_OPCODE_SAMPLE_C 149
439 #define TGSI_OPCODE_SAMPLE_C_LZ 150
440 #define TGSI_OPCODE_SAMPLE_D 151
441 #define TGSI_OPCODE_SAMPLE_L 152
442 #define TGSI_OPCODE_GATHER4 153
443 #define TGSI_OPCODE_SVIEWINFO 154
444 #define TGSI_OPCODE_SAMPLE_POS 155
445 #define TGSI_OPCODE_SAMPLE_INFO 156
447 #define TGSI_OPCODE_UARL 157
448 #define TGSI_OPCODE_UCMP 158
449 #define TGSI_OPCODE_IABS 159
450 #define TGSI_OPCODE_ISSG 160
452 #define TGSI_OPCODE_LOAD 161
453 #define TGSI_OPCODE_STORE 162
455 #define TGSI_OPCODE_MFENCE 163
456 #define TGSI_OPCODE_LFENCE 164
457 #define TGSI_OPCODE_SFENCE 165
458 #define TGSI_OPCODE_BARRIER 166
460 #define TGSI_OPCODE_ATOMUADD 167
461 #define TGSI_OPCODE_ATOMXCHG 168
462 #define TGSI_OPCODE_ATOMCAS 169
463 #define TGSI_OPCODE_ATOMAND 170
464 #define TGSI_OPCODE_ATOMOR 171
465 #define TGSI_OPCODE_ATOMXOR 172
466 #define TGSI_OPCODE_ATOMUMIN 173
467 #define TGSI_OPCODE_ATOMUMAX 174
468 #define TGSI_OPCODE_ATOMIMIN 175
469 #define TGSI_OPCODE_ATOMIMAX 176
471 /* to be used for shadow cube map compares */
472 #define TGSI_OPCODE_TEX2 177
473 #define TGSI_OPCODE_TXB2 178
474 #define TGSI_OPCODE_TXL2 179
476 #define TGSI_OPCODE_IMUL_HI 180
477 #define TGSI_OPCODE_UMUL_HI 181
479 #define TGSI_OPCODE_TG4 182
481 #define TGSI_OPCODE_LODQ 183
483 #define TGSI_OPCODE_IBFE 184
484 #define TGSI_OPCODE_UBFE 185
485 #define TGSI_OPCODE_BFI 186
486 #define TGSI_OPCODE_BREV 187
487 #define TGSI_OPCODE_POPC 188
488 #define TGSI_OPCODE_LSB 189
489 #define TGSI_OPCODE_IMSB 190
490 #define TGSI_OPCODE_UMSB 191
492 #define TGSI_OPCODE_INTERP_CENTROID 192
493 #define TGSI_OPCODE_INTERP_SAMPLE 193
494 #define TGSI_OPCODE_INTERP_OFFSET 194
496 #define TGSI_OPCODE_LAST 195
498 #define TGSI_SAT_NONE 0 /* do not saturate */
499 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
500 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */
503 * Opcode is the operation code to execute. A given operation defines the
504 * semantics how the source registers (if any) are interpreted and what is
505 * written to the destination registers (if any) as a result of execution.
507 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
508 * respectively. For a given operation code, those numbers are fixed and are
509 * present here only for convenience.
511 * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
513 * Saturate controls how are final results in destination registers modified.
516 struct tgsi_instruction
518 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
519 unsigned NrTokens
: 8; /* UINT */
520 unsigned Opcode
: 8; /* TGSI_OPCODE_ */
521 unsigned Saturate
: 2; /* TGSI_SAT_ */
522 unsigned NumDstRegs
: 2; /* UINT */
523 unsigned NumSrcRegs
: 4; /* UINT */
524 unsigned Predicate
: 1; /* BOOL */
526 unsigned Texture
: 1;
527 unsigned Padding
: 1;
531 * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
533 * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
534 * if texture instruction has a number of offsets,
535 * then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
537 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
539 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
541 * tgsi_instruction::NrTokens contains the total number of words that make the
542 * instruction, including the instruction word.
545 #define TGSI_SWIZZLE_X 0
546 #define TGSI_SWIZZLE_Y 1
547 #define TGSI_SWIZZLE_Z 2
548 #define TGSI_SWIZZLE_W 3
550 struct tgsi_instruction_label
552 unsigned Label
: 24; /* UINT */
553 unsigned Padding
: 8;
556 #define TGSI_TEXTURE_BUFFER 0
557 #define TGSI_TEXTURE_1D 1
558 #define TGSI_TEXTURE_2D 2
559 #define TGSI_TEXTURE_3D 3
560 #define TGSI_TEXTURE_CUBE 4
561 #define TGSI_TEXTURE_RECT 5
562 #define TGSI_TEXTURE_SHADOW1D 6
563 #define TGSI_TEXTURE_SHADOW2D 7
564 #define TGSI_TEXTURE_SHADOWRECT 8
565 #define TGSI_TEXTURE_1D_ARRAY 9
566 #define TGSI_TEXTURE_2D_ARRAY 10
567 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
568 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
569 #define TGSI_TEXTURE_SHADOWCUBE 13
570 #define TGSI_TEXTURE_2D_MSAA 14
571 #define TGSI_TEXTURE_2D_ARRAY_MSAA 15
572 #define TGSI_TEXTURE_CUBE_ARRAY 16
573 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
574 #define TGSI_TEXTURE_UNKNOWN 18
575 #define TGSI_TEXTURE_COUNT 19
577 struct tgsi_instruction_texture
579 unsigned Texture
: 8; /* TGSI_TEXTURE_ */
580 unsigned NumOffsets
: 4;
581 unsigned Padding
: 20;
584 /* for texture offsets in GLSL and DirectX.
585 * Generally these always come from TGSI_FILE_IMMEDIATE,
586 * however DX11 appears to have the capability to do
587 * non-constant texture offsets.
589 struct tgsi_texture_offset
592 unsigned File
: 4; /**< one of TGSI_FILE_x */
593 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
594 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
595 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
596 unsigned Padding
: 6;
600 * For SM3, the following constraint applies.
601 * - Swizzle is either set to identity or replicate.
603 struct tgsi_instruction_predicate
605 int Index
: 16; /* SINT */
606 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
607 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
608 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
609 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_x */
610 unsigned Negate
: 1; /* BOOL */
611 unsigned Padding
: 7;
615 * File specifies the register array to access.
617 * Index specifies the element number of a register in the register file.
619 * If Indirect is TRUE, Index should be offset by the X component of the indirect
620 * register that follows. The register can be now fetched into local storage
621 * for further processing.
623 * If Negate is TRUE, all components of the fetched register are negated.
625 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
626 * SwizzleZ and SwizzleW.
630 struct tgsi_src_register
632 unsigned File
: 4; /* TGSI_FILE_ */
633 unsigned Indirect
: 1; /* BOOL */
634 unsigned Dimension
: 1; /* BOOL */
635 int Index
: 16; /* SINT */
636 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_ */
637 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_ */
638 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_ */
639 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_ */
640 unsigned Absolute
: 1; /* BOOL */
641 unsigned Negate
: 1; /* BOOL */
645 * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
647 * File, Index and Swizzle are handled the same as in tgsi_src_register.
649 * If ArrayID is zero the whole register file might be is indirectly addressed,
650 * if not only the Declaration with this ArrayID is accessed by this operand.
654 struct tgsi_ind_register
656 unsigned File
: 4; /* TGSI_FILE_ */
657 int Index
: 16; /* SINT */
658 unsigned Swizzle
: 2; /* TGSI_SWIZZLE_ */
659 unsigned ArrayID
: 10; /* UINT */
663 * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
666 struct tgsi_dimension
668 unsigned Indirect
: 1; /* BOOL */
669 unsigned Dimension
: 1; /* BOOL */
670 unsigned Padding
: 14;
671 int Index
: 16; /* SINT */
674 struct tgsi_dst_register
676 unsigned File
: 4; /* TGSI_FILE_ */
677 unsigned WriteMask
: 4; /* TGSI_WRITEMASK_ */
678 unsigned Indirect
: 1; /* BOOL */
679 unsigned Dimension
: 1; /* BOOL */
680 int Index
: 16; /* SINT */
681 unsigned Padding
: 6;
689 #endif /* P_SHADER_TOKENS_H */