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_TESSCTRL 3
47 #define TGSI_PROCESSOR_TESSEVAL 4
48 #define TGSI_PROCESSOR_COMPUTE 5
52 unsigned Processor
: 4; /* TGSI_PROCESSOR_ */
53 unsigned Padding
: 28;
56 #define TGSI_TOKEN_TYPE_DECLARATION 0
57 #define TGSI_TOKEN_TYPE_IMMEDIATE 1
58 #define TGSI_TOKEN_TYPE_INSTRUCTION 2
59 #define TGSI_TOKEN_TYPE_PROPERTY 3
63 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_x */
64 unsigned NrTokens
: 8; /**< UINT */
65 unsigned Padding
: 20;
70 TGSI_FILE_CONSTANT
=1,
73 TGSI_FILE_TEMPORARY
=4,
76 TGSI_FILE_IMMEDIATE
=7,
77 TGSI_FILE_PREDICATE
=8,
78 TGSI_FILE_SYSTEM_VALUE
=9,
79 TGSI_FILE_RESOURCE
=10,
80 TGSI_FILE_SAMPLER_VIEW
=11,
81 TGSI_FILE_COUNT
/**< how many TGSI_FILE_ types */
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
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
108 #define TGSI_INTERPOLATE_LOC_CENTER 0
109 #define TGSI_INTERPOLATE_LOC_CENTROID 1
110 #define TGSI_INTERPOLATE_LOC_SAMPLE 2
111 #define TGSI_INTERPOLATE_LOC_COUNT 3
113 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
114 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
115 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
116 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
118 struct tgsi_declaration
120 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_DECLARATION */
121 unsigned NrTokens
: 8; /**< UINT */
122 unsigned File
: 4; /**< one of TGSI_FILE_x */
123 unsigned UsageMask
: 4; /**< bitmask of TGSI_WRITEMASK_x flags */
124 unsigned Dimension
: 1; /**< any extra dimension info? */
125 unsigned Semantic
: 1; /**< BOOL, any semantic info? */
126 unsigned Interpolate
: 1; /**< any interpolation info? */
127 unsigned Invariant
: 1; /**< invariant optimization? */
128 unsigned Local
: 1; /**< optimize as subroutine local variable? */
129 unsigned Array
: 1; /**< extra array info? */
130 unsigned Padding
: 6;
133 struct tgsi_declaration_range
135 unsigned First
: 16; /**< UINT */
136 unsigned Last
: 16; /**< UINT */
139 struct tgsi_declaration_dimension
141 unsigned Index2D
:16; /**< UINT */
145 struct tgsi_declaration_interp
147 unsigned Interpolate
: 4; /**< one of TGSI_INTERPOLATE_x */
148 unsigned Location
: 2; /**< one of TGSI_INTERPOLATE_LOC_x */
149 unsigned CylindricalWrap
:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
150 unsigned Padding
: 22;
153 #define TGSI_SEMANTIC_POSITION 0
154 #define TGSI_SEMANTIC_COLOR 1
155 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
156 #define TGSI_SEMANTIC_FOG 3
157 #define TGSI_SEMANTIC_PSIZE 4
158 #define TGSI_SEMANTIC_GENERIC 5
159 #define TGSI_SEMANTIC_NORMAL 6
160 #define TGSI_SEMANTIC_FACE 7
161 #define TGSI_SEMANTIC_EDGEFLAG 8
162 #define TGSI_SEMANTIC_PRIMID 9
163 #define TGSI_SEMANTIC_INSTANCEID 10 /**< doesn't include start_instance */
164 #define TGSI_SEMANTIC_VERTEXID 11
165 #define TGSI_SEMANTIC_STENCIL 12
166 #define TGSI_SEMANTIC_CLIPDIST 13
167 #define TGSI_SEMANTIC_CLIPVERTEX 14
168 #define TGSI_SEMANTIC_GRID_SIZE 15 /**< grid size in blocks */
169 #define TGSI_SEMANTIC_BLOCK_ID 16 /**< id of the current block */
170 #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */
171 #define TGSI_SEMANTIC_THREAD_ID 18 /**< block-relative id of the current thread */
172 #define TGSI_SEMANTIC_TEXCOORD 19 /**< texture or sprite coordinates */
173 #define TGSI_SEMANTIC_PCOORD 20 /**< point sprite coordinate */
174 #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */
175 #define TGSI_SEMANTIC_LAYER 22 /**< layer (rendertarget index) */
176 #define TGSI_SEMANTIC_CULLDIST 23
177 #define TGSI_SEMANTIC_SAMPLEID 24
178 #define TGSI_SEMANTIC_SAMPLEPOS 25
179 #define TGSI_SEMANTIC_SAMPLEMASK 26
180 #define TGSI_SEMANTIC_INVOCATIONID 27
181 #define TGSI_SEMANTIC_VERTEXID_NOBASE 28
182 #define TGSI_SEMANTIC_BASEVERTEX 29
183 #define TGSI_SEMANTIC_PATCH 30 /**< generic per-patch semantic */
184 #define TGSI_SEMANTIC_TESSCOORD 31 /**< coordinate being processed by tess */
185 #define TGSI_SEMANTIC_TESSOUTER 32 /**< outer tessellation levels */
186 #define TGSI_SEMANTIC_TESSINNER 33 /**< inner tessellation levels */
187 #define TGSI_SEMANTIC_VERTICESIN 34 /**< number of input vertices */
188 #define TGSI_SEMANTIC_COUNT 35 /**< number of semantic values */
190 struct tgsi_declaration_semantic
192 unsigned Name
: 8; /**< one of TGSI_SEMANTIC_x */
193 unsigned Index
: 16; /**< UINT */
194 unsigned Padding
: 8;
197 struct tgsi_declaration_resource
{
198 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
200 unsigned Writable
: 1;
201 unsigned Padding
: 22;
204 enum tgsi_return_type
{
205 TGSI_RETURN_TYPE_UNORM
= 0,
206 TGSI_RETURN_TYPE_SNORM
,
207 TGSI_RETURN_TYPE_SINT
,
208 TGSI_RETURN_TYPE_UINT
,
209 TGSI_RETURN_TYPE_FLOAT
,
210 TGSI_RETURN_TYPE_COUNT
213 struct tgsi_declaration_sampler_view
{
214 unsigned Resource
: 8; /**< one of TGSI_TEXTURE_ */
215 unsigned ReturnTypeX
: 6; /**< one of enum tgsi_return_type */
216 unsigned ReturnTypeY
: 6; /**< one of enum tgsi_return_type */
217 unsigned ReturnTypeZ
: 6; /**< one of enum tgsi_return_type */
218 unsigned ReturnTypeW
: 6; /**< one of enum tgsi_return_type */
221 struct tgsi_declaration_array
{
222 unsigned ArrayID
: 10;
223 unsigned Padding
: 22;
227 * Special resources that don't need to be declared. They map to the
228 * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
230 #define TGSI_RESOURCE_GLOBAL 0x7fff
231 #define TGSI_RESOURCE_LOCAL 0x7ffe
232 #define TGSI_RESOURCE_PRIVATE 0x7ffd
233 #define TGSI_RESOURCE_INPUT 0x7ffc
235 #define TGSI_IMM_FLOAT32 0
236 #define TGSI_IMM_UINT32 1
237 #define TGSI_IMM_INT32 2
238 #define TGSI_IMM_FLOAT64 3
240 struct tgsi_immediate
242 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_IMMEDIATE */
243 unsigned NrTokens
: 14; /**< UINT */
244 unsigned DataType
: 4; /**< one of TGSI_IMM_x */
245 unsigned Padding
: 10;
248 union tgsi_immediate_data
255 #define TGSI_PROPERTY_GS_INPUT_PRIM 0
256 #define TGSI_PROPERTY_GS_OUTPUT_PRIM 1
257 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
258 #define TGSI_PROPERTY_FS_COORD_ORIGIN 3
259 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER 4
260 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
261 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT 6
262 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS 7
263 #define TGSI_PROPERTY_GS_INVOCATIONS 8
264 #define TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION 9
265 #define TGSI_PROPERTY_TCS_VERTICES_OUT 10
266 #define TGSI_PROPERTY_TES_PRIM_MODE 11
267 #define TGSI_PROPERTY_TES_SPACING 12
268 #define TGSI_PROPERTY_TES_VERTEX_ORDER_CW 13
269 #define TGSI_PROPERTY_TES_POINT_MODE 14
270 #define TGSI_PROPERTY_COUNT 15
272 struct tgsi_property
{
273 unsigned Type
: 4; /**< TGSI_TOKEN_TYPE_PROPERTY */
274 unsigned NrTokens
: 8; /**< UINT */
275 unsigned PropertyName
: 8; /**< one of TGSI_PROPERTY */
276 unsigned Padding
: 12;
279 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
280 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
282 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
283 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
285 #define TGSI_FS_DEPTH_LAYOUT_NONE 0
286 #define TGSI_FS_DEPTH_LAYOUT_ANY 1
287 #define TGSI_FS_DEPTH_LAYOUT_GREATER 2
288 #define TGSI_FS_DEPTH_LAYOUT_LESS 3
289 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED 4
292 struct tgsi_property_data
{
298 * For more information on semantics of opcodes and
299 * which APIs are known to use which opcodes, see
300 * gallium/docs/source/tgsi.rst
302 #define TGSI_OPCODE_ARL 0
303 #define TGSI_OPCODE_MOV 1
304 #define TGSI_OPCODE_LIT 2
305 #define TGSI_OPCODE_RCP 3
306 #define TGSI_OPCODE_RSQ 4
307 #define TGSI_OPCODE_EXP 5
308 #define TGSI_OPCODE_LOG 6
309 #define TGSI_OPCODE_MUL 7
310 #define TGSI_OPCODE_ADD 8
311 #define TGSI_OPCODE_DP3 9
312 #define TGSI_OPCODE_DP4 10
313 #define TGSI_OPCODE_DST 11
314 #define TGSI_OPCODE_MIN 12
315 #define TGSI_OPCODE_MAX 13
316 #define TGSI_OPCODE_SLT 14
317 #define TGSI_OPCODE_SGE 15
318 #define TGSI_OPCODE_MAD 16
319 #define TGSI_OPCODE_SUB 17
320 #define TGSI_OPCODE_LRP 18
321 #define TGSI_OPCODE_FMA 19
322 #define TGSI_OPCODE_SQRT 20
323 #define TGSI_OPCODE_DP2A 21
325 #define TGSI_OPCODE_FRC 24
326 #define TGSI_OPCODE_CLAMP 25
327 #define TGSI_OPCODE_FLR 26
328 #define TGSI_OPCODE_ROUND 27
329 #define TGSI_OPCODE_EX2 28
330 #define TGSI_OPCODE_LG2 29
331 #define TGSI_OPCODE_POW 30
332 #define TGSI_OPCODE_XPD 31
334 #define TGSI_OPCODE_ABS 33
336 #define TGSI_OPCODE_DPH 35
337 #define TGSI_OPCODE_COS 36
338 #define TGSI_OPCODE_DDX 37
339 #define TGSI_OPCODE_DDY 38
340 #define TGSI_OPCODE_KILL 39 /* unconditional */
341 #define TGSI_OPCODE_PK2H 40
342 #define TGSI_OPCODE_PK2US 41
343 #define TGSI_OPCODE_PK4B 42
344 #define TGSI_OPCODE_PK4UB 43
346 #define TGSI_OPCODE_SEQ 45
348 #define TGSI_OPCODE_SGT 47
349 #define TGSI_OPCODE_SIN 48
350 #define TGSI_OPCODE_SLE 49
351 #define TGSI_OPCODE_SNE 50
353 #define TGSI_OPCODE_TEX 52
354 #define TGSI_OPCODE_TXD 53
355 #define TGSI_OPCODE_TXP 54
356 #define TGSI_OPCODE_UP2H 55
357 #define TGSI_OPCODE_UP2US 56
358 #define TGSI_OPCODE_UP4B 57
359 #define TGSI_OPCODE_UP4UB 58
361 #define TGSI_OPCODE_ARR 61
363 #define TGSI_OPCODE_CAL 63
364 #define TGSI_OPCODE_RET 64
365 #define TGSI_OPCODE_SSG 65 /* SGN */
366 #define TGSI_OPCODE_CMP 66
367 #define TGSI_OPCODE_SCS 67
368 #define TGSI_OPCODE_TXB 68
370 #define TGSI_OPCODE_DIV 70
371 #define TGSI_OPCODE_DP2 71
372 #define TGSI_OPCODE_TXL 72
373 #define TGSI_OPCODE_BRK 73
374 #define TGSI_OPCODE_IF 74
375 #define TGSI_OPCODE_UIF 75
376 #define TGSI_OPCODE_ELSE 77
377 #define TGSI_OPCODE_ENDIF 78
379 #define TGSI_OPCODE_DDX_FINE 79
380 #define TGSI_OPCODE_DDY_FINE 80
382 #define TGSI_OPCODE_PUSHA 81
383 #define TGSI_OPCODE_POPA 82
384 #define TGSI_OPCODE_CEIL 83
385 #define TGSI_OPCODE_I2F 84
386 #define TGSI_OPCODE_NOT 85
387 #define TGSI_OPCODE_TRUNC 86
388 #define TGSI_OPCODE_SHL 87
390 #define TGSI_OPCODE_AND 89
391 #define TGSI_OPCODE_OR 90
392 #define TGSI_OPCODE_MOD 91
393 #define TGSI_OPCODE_XOR 92
394 #define TGSI_OPCODE_SAD 93
395 #define TGSI_OPCODE_TXF 94
396 #define TGSI_OPCODE_TXQ 95
397 #define TGSI_OPCODE_CONT 96
398 #define TGSI_OPCODE_EMIT 97
399 #define TGSI_OPCODE_ENDPRIM 98
400 #define TGSI_OPCODE_BGNLOOP 99
401 #define TGSI_OPCODE_BGNSUB 100
402 #define TGSI_OPCODE_ENDLOOP 101
403 #define TGSI_OPCODE_ENDSUB 102
404 #define TGSI_OPCODE_TXQ_LZ 103 /* TXQ for mipmap level 0 */
406 #define TGSI_OPCODE_NOP 107
408 #define TGSI_OPCODE_FSEQ 108
409 #define TGSI_OPCODE_FSGE 109
410 #define TGSI_OPCODE_FSLT 110
411 #define TGSI_OPCODE_FSNE 111
414 #define TGSI_OPCODE_CALLNZ 113
416 #define TGSI_OPCODE_BREAKC 115
417 #define TGSI_OPCODE_KILL_IF 116 /* conditional kill */
418 #define TGSI_OPCODE_END 117 /* aka HALT */
419 #define TGSI_OPCODE_DFMA 118
420 #define TGSI_OPCODE_F2I 119
421 #define TGSI_OPCODE_IDIV 120
422 #define TGSI_OPCODE_IMAX 121
423 #define TGSI_OPCODE_IMIN 122
424 #define TGSI_OPCODE_INEG 123
425 #define TGSI_OPCODE_ISGE 124
426 #define TGSI_OPCODE_ISHR 125
427 #define TGSI_OPCODE_ISLT 126
428 #define TGSI_OPCODE_F2U 127
429 #define TGSI_OPCODE_U2F 128
430 #define TGSI_OPCODE_UADD 129
431 #define TGSI_OPCODE_UDIV 130
432 #define TGSI_OPCODE_UMAD 131
433 #define TGSI_OPCODE_UMAX 132
434 #define TGSI_OPCODE_UMIN 133
435 #define TGSI_OPCODE_UMOD 134
436 #define TGSI_OPCODE_UMUL 135
437 #define TGSI_OPCODE_USEQ 136
438 #define TGSI_OPCODE_USGE 137
439 #define TGSI_OPCODE_USHR 138
440 #define TGSI_OPCODE_USLT 139
441 #define TGSI_OPCODE_USNE 140
442 #define TGSI_OPCODE_SWITCH 141
443 #define TGSI_OPCODE_CASE 142
444 #define TGSI_OPCODE_DEFAULT 143
445 #define TGSI_OPCODE_ENDSWITCH 144
447 /* resource related opcodes */
448 #define TGSI_OPCODE_SAMPLE 145
449 #define TGSI_OPCODE_SAMPLE_I 146
450 #define TGSI_OPCODE_SAMPLE_I_MS 147
451 #define TGSI_OPCODE_SAMPLE_B 148
452 #define TGSI_OPCODE_SAMPLE_C 149
453 #define TGSI_OPCODE_SAMPLE_C_LZ 150
454 #define TGSI_OPCODE_SAMPLE_D 151
455 #define TGSI_OPCODE_SAMPLE_L 152
456 #define TGSI_OPCODE_GATHER4 153
457 #define TGSI_OPCODE_SVIEWINFO 154
458 #define TGSI_OPCODE_SAMPLE_POS 155
459 #define TGSI_OPCODE_SAMPLE_INFO 156
461 #define TGSI_OPCODE_UARL 157
462 #define TGSI_OPCODE_UCMP 158
463 #define TGSI_OPCODE_IABS 159
464 #define TGSI_OPCODE_ISSG 160
466 #define TGSI_OPCODE_LOAD 161
467 #define TGSI_OPCODE_STORE 162
469 #define TGSI_OPCODE_MFENCE 163
470 #define TGSI_OPCODE_LFENCE 164
471 #define TGSI_OPCODE_SFENCE 165
472 #define TGSI_OPCODE_BARRIER 166
474 #define TGSI_OPCODE_ATOMUADD 167
475 #define TGSI_OPCODE_ATOMXCHG 168
476 #define TGSI_OPCODE_ATOMCAS 169
477 #define TGSI_OPCODE_ATOMAND 170
478 #define TGSI_OPCODE_ATOMOR 171
479 #define TGSI_OPCODE_ATOMXOR 172
480 #define TGSI_OPCODE_ATOMUMIN 173
481 #define TGSI_OPCODE_ATOMUMAX 174
482 #define TGSI_OPCODE_ATOMIMIN 175
483 #define TGSI_OPCODE_ATOMIMAX 176
485 /* to be used for shadow cube map compares */
486 #define TGSI_OPCODE_TEX2 177
487 #define TGSI_OPCODE_TXB2 178
488 #define TGSI_OPCODE_TXL2 179
490 #define TGSI_OPCODE_IMUL_HI 180
491 #define TGSI_OPCODE_UMUL_HI 181
493 #define TGSI_OPCODE_TG4 182
495 #define TGSI_OPCODE_LODQ 183
497 #define TGSI_OPCODE_IBFE 184
498 #define TGSI_OPCODE_UBFE 185
499 #define TGSI_OPCODE_BFI 186
500 #define TGSI_OPCODE_BREV 187
501 #define TGSI_OPCODE_POPC 188
502 #define TGSI_OPCODE_LSB 189
503 #define TGSI_OPCODE_IMSB 190
504 #define TGSI_OPCODE_UMSB 191
506 #define TGSI_OPCODE_INTERP_CENTROID 192
507 #define TGSI_OPCODE_INTERP_SAMPLE 193
508 #define TGSI_OPCODE_INTERP_OFFSET 194
510 /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
511 #define TGSI_OPCODE_F2D 195 /* SM5 */
512 #define TGSI_OPCODE_D2F 196
513 #define TGSI_OPCODE_DABS 197
514 #define TGSI_OPCODE_DNEG 198 /* SM5 */
515 #define TGSI_OPCODE_DADD 199 /* SM5 */
516 #define TGSI_OPCODE_DMUL 200 /* SM5 */
517 #define TGSI_OPCODE_DMAX 201 /* SM5 */
518 #define TGSI_OPCODE_DMIN 202 /* SM5 */
519 #define TGSI_OPCODE_DSLT 203 /* SM5 */
520 #define TGSI_OPCODE_DSGE 204 /* SM5 */
521 #define TGSI_OPCODE_DSEQ 205 /* SM5 */
522 #define TGSI_OPCODE_DSNE 206 /* SM5 */
523 #define TGSI_OPCODE_DRCP 207 /* eg, cayman */
524 #define TGSI_OPCODE_DSQRT 208 /* eg, cayman also has DRSQ */
525 #define TGSI_OPCODE_DMAD 209
526 #define TGSI_OPCODE_DFRAC 210 /* eg, cayman */
527 #define TGSI_OPCODE_DLDEXP 211 /* eg, cayman */
528 #define TGSI_OPCODE_DFRACEXP 212 /* eg, cayman */
529 #define TGSI_OPCODE_D2I 213
530 #define TGSI_OPCODE_I2D 214
531 #define TGSI_OPCODE_D2U 215
532 #define TGSI_OPCODE_U2D 216
533 #define TGSI_OPCODE_DRSQ 217 /* eg, cayman also has DRSQ */
534 #define TGSI_OPCODE_DTRUNC 218 /* nvc0 */
535 #define TGSI_OPCODE_DCEIL 219 /* nvc0 */
536 #define TGSI_OPCODE_DFLR 220 /* nvc0 */
537 #define TGSI_OPCODE_DROUND 221 /* nvc0 */
538 #define TGSI_OPCODE_DSSG 222
539 #define TGSI_OPCODE_LAST 223
542 * Opcode is the operation code to execute. A given operation defines the
543 * semantics how the source registers (if any) are interpreted and what is
544 * written to the destination registers (if any) as a result of execution.
546 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
547 * respectively. For a given operation code, those numbers are fixed and are
548 * present here only for convenience.
550 * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
552 * Saturate controls how are final results in destination registers modified.
555 struct tgsi_instruction
557 unsigned Type
: 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
558 unsigned NrTokens
: 8; /* UINT */
559 unsigned Opcode
: 8; /* TGSI_OPCODE_ */
560 unsigned Saturate
: 1; /* BOOL */
561 unsigned NumDstRegs
: 2; /* UINT */
562 unsigned NumSrcRegs
: 4; /* UINT */
563 unsigned Predicate
: 1; /* BOOL */
565 unsigned Texture
: 1;
566 unsigned Padding
: 2;
570 * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
572 * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
573 * if texture instruction has a number of offsets,
574 * then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
576 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
578 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
580 * tgsi_instruction::NrTokens contains the total number of words that make the
581 * instruction, including the instruction word.
584 #define TGSI_SWIZZLE_X 0
585 #define TGSI_SWIZZLE_Y 1
586 #define TGSI_SWIZZLE_Z 2
587 #define TGSI_SWIZZLE_W 3
589 struct tgsi_instruction_label
591 unsigned Label
: 24; /* UINT */
592 unsigned Padding
: 8;
595 #define TGSI_TEXTURE_BUFFER 0
596 #define TGSI_TEXTURE_1D 1
597 #define TGSI_TEXTURE_2D 2
598 #define TGSI_TEXTURE_3D 3
599 #define TGSI_TEXTURE_CUBE 4
600 #define TGSI_TEXTURE_RECT 5
601 #define TGSI_TEXTURE_SHADOW1D 6
602 #define TGSI_TEXTURE_SHADOW2D 7
603 #define TGSI_TEXTURE_SHADOWRECT 8
604 #define TGSI_TEXTURE_1D_ARRAY 9
605 #define TGSI_TEXTURE_2D_ARRAY 10
606 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
607 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
608 #define TGSI_TEXTURE_SHADOWCUBE 13
609 #define TGSI_TEXTURE_2D_MSAA 14
610 #define TGSI_TEXTURE_2D_ARRAY_MSAA 15
611 #define TGSI_TEXTURE_CUBE_ARRAY 16
612 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
613 #define TGSI_TEXTURE_UNKNOWN 18
614 #define TGSI_TEXTURE_COUNT 19
616 struct tgsi_instruction_texture
618 unsigned Texture
: 8; /* TGSI_TEXTURE_ */
619 unsigned NumOffsets
: 4;
620 unsigned Padding
: 20;
623 /* for texture offsets in GLSL and DirectX.
624 * Generally these always come from TGSI_FILE_IMMEDIATE,
625 * however DX11 appears to have the capability to do
626 * non-constant texture offsets.
628 struct tgsi_texture_offset
631 unsigned File
: 4; /**< one of TGSI_FILE_x */
632 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
633 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
634 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
635 unsigned Padding
: 6;
639 * For SM3, the following constraint applies.
640 * - Swizzle is either set to identity or replicate.
642 struct tgsi_instruction_predicate
644 int Index
: 16; /* SINT */
645 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_x */
646 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_x */
647 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_x */
648 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_x */
649 unsigned Negate
: 1; /* BOOL */
650 unsigned Padding
: 7;
654 * File specifies the register array to access.
656 * Index specifies the element number of a register in the register file.
658 * If Indirect is TRUE, Index should be offset by the X component of the indirect
659 * register that follows. The register can be now fetched into local storage
660 * for further processing.
662 * If Negate is TRUE, all components of the fetched register are negated.
664 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
665 * SwizzleZ and SwizzleW.
669 struct tgsi_src_register
671 unsigned File
: 4; /* TGSI_FILE_ */
672 unsigned Indirect
: 1; /* BOOL */
673 unsigned Dimension
: 1; /* BOOL */
674 int Index
: 16; /* SINT */
675 unsigned SwizzleX
: 2; /* TGSI_SWIZZLE_ */
676 unsigned SwizzleY
: 2; /* TGSI_SWIZZLE_ */
677 unsigned SwizzleZ
: 2; /* TGSI_SWIZZLE_ */
678 unsigned SwizzleW
: 2; /* TGSI_SWIZZLE_ */
679 unsigned Absolute
: 1; /* BOOL */
680 unsigned Negate
: 1; /* BOOL */
684 * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
686 * File, Index and Swizzle are handled the same as in tgsi_src_register.
688 * If ArrayID is zero the whole register file might be is indirectly addressed,
689 * if not only the Declaration with this ArrayID is accessed by this operand.
693 struct tgsi_ind_register
695 unsigned File
: 4; /* TGSI_FILE_ */
696 int Index
: 16; /* SINT */
697 unsigned Swizzle
: 2; /* TGSI_SWIZZLE_ */
698 unsigned ArrayID
: 10; /* UINT */
702 * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
705 struct tgsi_dimension
707 unsigned Indirect
: 1; /* BOOL */
708 unsigned Dimension
: 1; /* BOOL */
709 unsigned Padding
: 14;
710 int Index
: 16; /* SINT */
713 struct tgsi_dst_register
715 unsigned File
: 4; /* TGSI_FILE_ */
716 unsigned WriteMask
: 4; /* TGSI_WRITEMASK_ */
717 unsigned Indirect
: 1; /* BOOL */
718 unsigned Dimension
: 1; /* BOOL */
719 int Index
: 16; /* SINT */
720 unsigned Padding
: 6;
728 #endif /* P_SHADER_TOKENS_H */