projects / mesa.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
tgsi: Drop pre-ps_2_0 opcodes.
[mesa.git] / src / gallium / include / pipe / p_shader_tokens.h
1 #if !defined TGSI_TOKEN_H
2 #define TGSI_TOKEN_H
3
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7
8 #include "p_compiler.h"
9
10 struct tgsi_version
11 {
12 unsigned MajorVersion : 8;
13 unsigned MinorVersion : 8;
14 unsigned Padding : 16;
15 };
16
17 struct tgsi_header
18 {
19 unsigned HeaderSize : 8;
20 unsigned BodySize : 24;
21 };
22
23 #define TGSI_PROCESSOR_FRAGMENT 0
24 #define TGSI_PROCESSOR_VERTEX 1
25 #define TGSI_PROCESSOR_GEOMETRY 2
26
27 struct tgsi_processor
28 {
29 unsigned Processor : 4; /* TGSI_PROCESSOR_ */
30 unsigned Padding : 28;
31 };
32
33 #define TGSI_TOKEN_TYPE_DECLARATION 0
34 #define TGSI_TOKEN_TYPE_IMMEDIATE 1
35 #define TGSI_TOKEN_TYPE_INSTRUCTION 2
36
37 struct tgsi_token
38 {
39 unsigned Type : 4; /* TGSI_TOKEN_TYPE_ */
40 unsigned Size : 8; /* UINT */
41 unsigned Padding : 19;
42 unsigned Extended : 1; /* BOOL */
43 };
44
45 enum tgsi_file_type {
46 TGSI_FILE_NULL =0,
47 TGSI_FILE_CONSTANT =1,
48 TGSI_FILE_INPUT =2,
49 TGSI_FILE_OUTPUT =3,
50 TGSI_FILE_TEMPORARY =4,
51 TGSI_FILE_SAMPLER =5,
52 TGSI_FILE_ADDRESS =6,
53 TGSI_FILE_IMMEDIATE =7,
54 TGSI_FILE_COUNT /**< how many TGSI_FILE_ types */
55 };
56
57
58 #define TGSI_DECLARE_RANGE 0
59 #define TGSI_DECLARE_MASK 1
60
61 #define TGSI_WRITEMASK_NONE 0x00
62 #define TGSI_WRITEMASK_X 0x01
63 #define TGSI_WRITEMASK_Y 0x02
64 #define TGSI_WRITEMASK_XY 0x03
65 #define TGSI_WRITEMASK_Z 0x04
66 #define TGSI_WRITEMASK_XZ 0x05
67 #define TGSI_WRITEMASK_YZ 0x06
68 #define TGSI_WRITEMASK_XYZ 0x07
69 #define TGSI_WRITEMASK_W 0x08
70 #define TGSI_WRITEMASK_XW 0x09
71 #define TGSI_WRITEMASK_YW 0x0A
72 #define TGSI_WRITEMASK_XYW 0x0B
73 #define TGSI_WRITEMASK_ZW 0x0C
74 #define TGSI_WRITEMASK_XZW 0x0D
75 #define TGSI_WRITEMASK_YZW 0x0E
76 #define TGSI_WRITEMASK_XYZW 0x0F
77
78 struct tgsi_declaration
79 {
80 unsigned Type : 4; /* TGSI_TOKEN_TYPE_DECLARATION */
81 unsigned Size : 8; /* UINT */
82 unsigned File : 4; /* one of TGSI_FILE_x */
83 unsigned Declare : 4; /* one of TGSI_DECLARE_x */
84 unsigned UsageMask : 4; /* bitmask of TGSI_WRITEMASK_x flags */
85 unsigned Interpolate : 1; /* BOOL, any interpolation info? */
86 unsigned Semantic : 1; /* BOOL, any semantic info? */
87 unsigned Padding : 5;
88 unsigned Extended : 1; /* BOOL */
89 };
90
91 struct tgsi_declaration_range
92 {
93 unsigned First : 16; /* UINT */
94 unsigned Last : 16; /* UINT */
95 };
96
97 struct tgsi_declaration_mask
98 {
99 unsigned Mask : 32; /* UINT */
100 };
101
102 #define TGSI_INTERPOLATE_CONSTANT 0
103 #define TGSI_INTERPOLATE_LINEAR 1
104 #define TGSI_INTERPOLATE_PERSPECTIVE 2
105
106 struct tgsi_declaration_interpolation
107 {
108 unsigned Interpolate : 4; /* TGSI_INTERPOLATE_ */
109 unsigned Padding : 28;
110 };
111
112 #define TGSI_SEMANTIC_POSITION 0
113 #define TGSI_SEMANTIC_COLOR 1
114 #define TGSI_SEMANTIC_BCOLOR 2 /**< back-face color */
115 #define TGSI_SEMANTIC_FOG 3
116 #define TGSI_SEMANTIC_PSIZE 4
117 #define TGSI_SEMANTIC_GENERIC 5
118 #define TGSI_SEMANTIC_NORMAL 6
119 #define TGSI_SEMANTIC_COUNT 7 /**< number of semantic values */
120
121 struct tgsi_declaration_semantic
122 {
123 unsigned SemanticName : 8; /* one of TGSI_SEMANTIC_ */
124 unsigned SemanticIndex : 16; /* UINT */
125 unsigned Padding : 8;
126 };
127
128 #define TGSI_IMM_FLOAT32 0
129
130 struct tgsi_immediate
131 {
132 unsigned Type : 4; /* TGSI_TOKEN_TYPE_IMMEDIATE */
133 unsigned Size : 8; /* UINT */
134 unsigned DataType : 4; /* TGSI_IMM_ */
135 unsigned Padding : 15;
136 unsigned Extended : 1; /* BOOL */
137 };
138
139 struct tgsi_immediate_float32
140 {
141 float Float;
142 };
143
144 /*
145 * GL_NV_vertex_program
146 */
147 #define TGSI_OPCODE_ARL 0
148 #define TGSI_OPCODE_MOV 1
149 #define TGSI_OPCODE_LIT 2
150 #define TGSI_OPCODE_RCP 3
151 #define TGSI_OPCODE_RSQ 4
152 #define TGSI_OPCODE_EXP 5
153 #define TGSI_OPCODE_LOG 6
154 #define TGSI_OPCODE_MUL 7
155 #define TGSI_OPCODE_ADD 8
156 #define TGSI_OPCODE_DP3 9
157 #define TGSI_OPCODE_DP4 10
158 #define TGSI_OPCODE_DST 11
159 #define TGSI_OPCODE_MIN 12
160 #define TGSI_OPCODE_MAX 13
161 #define TGSI_OPCODE_SLT 14
162 #define TGSI_OPCODE_SGE 15
163 #define TGSI_OPCODE_MAD 16
164
165 /*
166 * GL_ATI_fragment_shader
167 */
168 #define TGSI_OPCODE_SUB 17
169 #define TGSI_OPCODE_DOT3 TGSI_OPCODE_DP3
170 #define TGSI_OPCODE_DOT4 TGSI_OPCODE_DP4
171 #define TGSI_OPCODE_LERP 18
172 #define TGSI_OPCODE_CND 19
173 #define TGSI_OPCODE_CND0 20
174 #define TGSI_OPCODE_DOT2ADD 21
175
176 /*
177 * GL_EXT_vertex_shader
178 */
179 #define TGSI_OPCODE_INDEX 22
180 #define TGSI_OPCODE_NEGATE 23
181 #define TGSI_OPCODE_MADD TGSI_OPCODE_MAD
182 #define TGSI_OPCODE_FRAC 24
183 #define TGSI_OPCODE_SETGE TGSI_OPCODE_SGE
184 #define TGSI_OPCODE_SETLT TGSI_OPCODE_SLT
185 #define TGSI_OPCODE_CLAMP 25
186 #define TGSI_OPCODE_FLOOR 26
187 #define TGSI_OPCODE_ROUND 27
188 #define TGSI_OPCODE_EXPBASE2 28
189 #define TGSI_OPCODE_LOGBASE2 29
190 #define TGSI_OPCODE_POWER 30
191 #define TGSI_OPCODE_RECIP TGSI_OPCODE_RCP
192 #define TGSI_OPCODE_RECIPSQRT TGSI_OPCODE_RSQ
193 #define TGSI_OPCODE_CROSSPRODUCT 31
194 #define TGSI_OPCODE_MULTIPLYMATRIX 32
195
196 /*
197 * GL_NV_vertex_program1_1
198 */
199 #define TGSI_OPCODE_ABS 33
200 #define TGSI_OPCODE_RCC 34
201 #define TGSI_OPCODE_DPH 35
202
203 /*
204 * GL_NV_fragment_program
205 */
206 #define TGSI_OPCODE_COS 36
207 #define TGSI_OPCODE_DDX 37
208 #define TGSI_OPCODE_DDY 38
209 #define TGSI_OPCODE_EX2 TGSI_OPCODE_EXPBASE2
210 #define TGSI_OPCODE_FLR TGSI_OPCODE_FLOOR
211 #define TGSI_OPCODE_FRC TGSI_OPCODE_FRAC
212 #define TGSI_OPCODE_KILP 39 /* predicated kill */
213 #define TGSI_OPCODE_LG2 TGSI_OPCODE_LOGBASE2
214 #define TGSI_OPCODE_LRP TGSI_OPCODE_LERP
215 #define TGSI_OPCODE_PK2H 40
216 #define TGSI_OPCODE_PK2US 41
217 #define TGSI_OPCODE_PK4B 42
218 #define TGSI_OPCODE_PK4UB 43
219 #define TGSI_OPCODE_POW TGSI_OPCODE_POWER
220 #define TGSI_OPCODE_RFL 44
221 #define TGSI_OPCODE_SEQ 45
222 #define TGSI_OPCODE_SFL 46
223 #define TGSI_OPCODE_SGT 47
224 #define TGSI_OPCODE_SIN 48
225 #define TGSI_OPCODE_SLE 49
226 #define TGSI_OPCODE_SNE 50
227 #define TGSI_OPCODE_STR 51
228 #define TGSI_OPCODE_TEX 52
229 #define TGSI_OPCODE_TXD 53
230 #define TGSI_OPCODE_TXP 54
231 #define TGSI_OPCODE_UP2H 55
232 #define TGSI_OPCODE_UP2US 56
233 #define TGSI_OPCODE_UP4B 57
234 #define TGSI_OPCODE_UP4UB 58
235 #define TGSI_OPCODE_X2D 59
236
237 /*
238 * GL_NV_vertex_program2
239 */
240 #define TGSI_OPCODE_ARA 60
241 #define TGSI_OPCODE_ARR 61
242 #define TGSI_OPCODE_BRA 62
243 #define TGSI_OPCODE_CAL 63
244 #define TGSI_OPCODE_RET 64
245 #define TGSI_OPCODE_SSG 65
246
247 /*
248 * GL_ARB_vertex_program
249 */
250 #define TGSI_OPCODE_SWZ TGSI_OPCODE_MOV
251 #define TGSI_OPCODE_XPD TGSI_OPCODE_CROSSPRODUCT
252
253 /*
254 * GL_ARB_fragment_program
255 */
256 #define TGSI_OPCODE_CMP 66
257 #define TGSI_OPCODE_SCS 67
258 #define TGSI_OPCODE_TXB 68
259
260 /*
261 * GL_NV_fragment_program_option
262 */
263 /* No new opcode */
264
265 /*
266 * GL_NV_fragment_program2
267 */
268 #define TGSI_OPCODE_NRM 69
269 #define TGSI_OPCODE_DIV 70
270 #define TGSI_OPCODE_DP2 71
271 #define TGSI_OPCODE_DP2A TGSI_OPCODE_DOT2ADD
272 #define TGSI_OPCODE_TXL 72
273 #define TGSI_OPCODE_BRK 73
274 #define TGSI_OPCODE_IF 74
275 #define TGSI_OPCODE_LOOP 75
276 #define TGSI_OPCODE_REP 76
277 #define TGSI_OPCODE_ELSE 77
278 #define TGSI_OPCODE_ENDIF 78
279 #define TGSI_OPCODE_ENDLOOP 79
280 #define TGSI_OPCODE_ENDREP 80
281
282 /*
283 * GL_NV_vertex_program2_option
284 */
285
286 /*
287 * GL_NV_vertex_program3
288 */
289 #define TGSI_OPCODE_PUSHA 81
290 #define TGSI_OPCODE_POPA 82
291
292 /*
293 * GL_NV_gpu_program4
294 */
295 #define TGSI_OPCODE_CEIL 83
296 #define TGSI_OPCODE_I2F 84
297 #define TGSI_OPCODE_NOT 85
298 #define TGSI_OPCODE_TRUNC 86
299 #define TGSI_OPCODE_SHL 87
300 #define TGSI_OPCODE_SHR 88
301 #define TGSI_OPCODE_AND 89
302 #define TGSI_OPCODE_OR 90
303 #define TGSI_OPCODE_MOD 91
304 #define TGSI_OPCODE_XOR 92
305 #define TGSI_OPCODE_SAD 93
306 #define TGSI_OPCODE_TXF 94
307 #define TGSI_OPCODE_TXQ 95
308 #define TGSI_OPCODE_CONT 96
309
310 /*
311 * GL_NV_vertex_program4
312 */
313 /* Same as GL_NV_gpu_program4 */
314
315 /*
316 * GL_NV_fragment_program4
317 */
318 /* Same as GL_NV_gpu_program4 */
319
320 /*
321 * GL_NV_geometry_program4
322 */
323 /* Same as GL_NV_gpu_program4 */
324 #define TGSI_OPCODE_EMIT 97
325 #define TGSI_OPCODE_ENDPRIM 98
326
327 /*
328 * GLSL
329 */
330 #define TGSI_OPCODE_BGNLOOP2 99
331 #define TGSI_OPCODE_BGNSUB 100
332 #define TGSI_OPCODE_ENDLOOP2 101
333 #define TGSI_OPCODE_ENDSUB 102
334 #define TGSI_OPCODE_INT TGSI_OPCODE_TRUNC
335 #define TGSI_OPCODE_NOISE1 103
336 #define TGSI_OPCODE_NOISE2 104
337 #define TGSI_OPCODE_NOISE3 105
338 #define TGSI_OPCODE_NOISE4 106
339 #define TGSI_OPCODE_NOP 107
340
341 /*
342 * ps_1_1
343 */
344 #define TGSI_OPCODE_TEXKILL TGSI_OPCODE_KILP
345
346 /*
347 * ps_1_2
348 */
349 /* CMP - use TGSI_OPCODE_CND0 */
350
351 /*
352 * ps_1_3
353 */
354 /* CMP - use TGSI_OPCODE_CND0 */
355
356 /*
357 * ps_1_4
358 */
359 #define TGSI_OPCODE_TEXLD TGSI_OPCODE_TEX
360
361 /*
362 * ps_2_0
363 */
364 #define TGSI_OPCODE_M4X4 TGSI_OPCODE_MULTIPLYMATRIX
365 #define TGSI_OPCODE_M4X3 108
366 #define TGSI_OPCODE_M3X4 109
367 #define TGSI_OPCODE_M3X3 110
368 #define TGSI_OPCODE_M3X2 111
369 #define TGSI_OPCODE_CRS TGSI_OPCODE_XPD
370 #define TGSI_OPCODE_NRM4 112
371 #define TGSI_OPCODE_SINCOS TGSI_OPCODE_SCS
372 #define TGSI_OPCODE_TEXLDB TGSI_OPCODE_TXB
373 #define TGSI_OPCODE_DP2ADD TGSI_OPCODE_DP2A
374
375 /*
376 * ps_2_x
377 */
378 #define TGSI_OPCODE_CALL TGSI_OPCODE_CAL
379 #define TGSI_OPCODE_CALLNZ 113
380 #define TGSI_OPCODE_IFC 114
381 #define TGSI_OPCODE_BREAK TGSI_OPCODE_BRK
382 #define TGSI_OPCODE_BREAKC 115
383 #define TGSI_OPCODE_DSX TGSI_OPCODE_DDX
384 #define TGSI_OPCODE_DSY TGSI_OPCODE_DDY
385 #define TGSI_OPCODE_TEXLDD TGSI_OPCODE_TXD
386
387 /*
388 * vs_1_1
389 */
390 #define TGSI_OPCODE_EXPP TGSI_OPCODE_EXP
391 #define TGSI_OPCODE_LOGP TGSI_OPCODE_LG2
392
393 /*
394 * vs_2_0
395 */
396 #define TGSI_OPCODE_SGN TGSI_OPCODE_SSG
397 #define TGSI_OPCODE_MOVA TGSI_OPCODE_ARR
398
399 /*
400 * vs_2_x
401 */
402
403 #define TGSI_OPCODE_KIL 116 /* unpredicated kill */
404 #define TGSI_OPCODE_END 117 /* aka HALT */
405
406 #define TGSI_OPCODE_LAST 118
407
408 #define TGSI_SAT_NONE 0 /* do not saturate */
409 #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */
410 #define TGSI_SAT_MINUS_PLUS_ONE 2 /* clamp to [-1,1] */
411
412 /*
413 * Opcode is the operation code to execute. A given operation defines the
414 * semantics how the source registers (if any) are interpreted and what is
415 * written to the destination registers (if any) as a result of execution.
416 *
417 * NumDstRegs and NumSrcRegs is the number of destination and source registers,
418 * respectively. For a given operation code, those numbers are fixed and are
419 * present here only for convenience.
420 *
421 * If Extended is TRUE, it is now executed.
422 *
423 * Saturate controls how are final results in destination registers modified.
424 */
425
426 struct tgsi_instruction
427 {
428 unsigned Type : 4; /* TGSI_TOKEN_TYPE_INSTRUCTION */
429 unsigned Size : 8; /* UINT */
430 unsigned Opcode : 8; /* TGSI_OPCODE_ */
431 unsigned Saturate : 2; /* TGSI_SAT_ */
432 unsigned NumDstRegs : 2; /* UINT */
433 unsigned NumSrcRegs : 4; /* UINT */
434 unsigned Padding : 3;
435 unsigned Extended : 1; /* BOOL */
436 };
437
438 /*
439 * If tgsi_instruction::Extended is TRUE, tgsi_instruction_ext follows.
440 *
441 * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
442 *
443 * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
444 *
445 * tgsi_instruction::Size contains the total number of words that make the
446 * instruction, including the instruction word.
447 */
448
449 #define TGSI_INSTRUCTION_EXT_TYPE_NV 0
450 #define TGSI_INSTRUCTION_EXT_TYPE_LABEL 1
451 #define TGSI_INSTRUCTION_EXT_TYPE_TEXTURE 2
452 #define TGSI_INSTRUCTION_EXT_TYPE_PREDICATE 3
453
454 struct tgsi_instruction_ext
455 {
456 unsigned Type : 4; /* TGSI_INSTRUCTION_EXT_TYPE_ */
457 unsigned Padding : 27;
458 unsigned Extended : 1; /* BOOL */
459 };
460
461 /*
462 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_NV, it should
463 * be cast to tgsi_instruction_ext_nv.
464 *
465 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_LABEL, it
466 * should be cast to tgsi_instruction_ext_label.
467 *
468 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_TEXTURE, it
469 * should be cast to tgsi_instruction_ext_texture.
470 *
471 * If tgsi_instruction_ext::Type is TGSI_INSTRUCTION_EXT_TYPE_PREDICATE, it
472 * should be cast to tgsi_instruction_ext_predicate.
473 *
474 * If tgsi_instruction_ext::Extended is TRUE, another tgsi_instruction_ext
475 * follows.
476 */
477
478 #define TGSI_PRECISION_DEFAULT 0
479 #define TGSI_PRECISION_FLOAT32 1
480 #define TGSI_PRECISION_FLOAT16 2
481 #define TGSI_PRECISION_FIXED12 3
482
483 #define TGSI_CC_GT 0
484 #define TGSI_CC_EQ 1
485 #define TGSI_CC_LT 2
486 #define TGSI_CC_UN 3
487 #define TGSI_CC_GE 4
488 #define TGSI_CC_LE 5
489 #define TGSI_CC_NE 6
490 #define TGSI_CC_TR 7
491 #define TGSI_CC_FL 8
492
493 #define TGSI_SWIZZLE_X 0
494 #define TGSI_SWIZZLE_Y 1
495 #define TGSI_SWIZZLE_Z 2
496 #define TGSI_SWIZZLE_W 3
497
498 /*
499 * Precision controls the precision at which the operation should be executed.
500 *
501 * CondDstUpdate enables condition code register writes. When this field is
502 * TRUE, CondDstIndex specifies the index of the condition code register to
503 * update.
504 *
505 * CondFlowEnable enables conditional execution of the operation. When this
506 * field is TRUE, CondFlowIndex specifies the index of the condition code
507 * register to test against CondMask with component swizzle controled by
508 * CondSwizzleX, CondSwizzleY, CondSwizzleZ and CondSwizzleW. If the test fails,
509 * the operation is not executed.
510 */
511
512 struct tgsi_instruction_ext_nv
513 {
514 unsigned Type : 4; /* TGSI_INSTRUCTION_EXT_TYPE_NV */
515 unsigned Precision : 4; /* TGSI_PRECISION_ */
516 unsigned CondDstIndex : 4; /* UINT */
517 unsigned CondFlowIndex : 4; /* UINT */
518 unsigned CondMask : 4; /* TGSI_CC_ */
519 unsigned CondSwizzleX : 2; /* TGSI_SWIZZLE_ */
520 unsigned CondSwizzleY : 2; /* TGSI_SWIZZLE_ */
521 unsigned CondSwizzleZ : 2; /* TGSI_SWIZZLE_ */
522 unsigned CondSwizzleW : 2; /* TGSI_SWIZZLE_ */
523 unsigned CondDstUpdate : 1; /* BOOL */
524 unsigned CondFlowEnable : 1; /* BOOL */
525 unsigned Padding : 1;
526 unsigned Extended : 1; /* BOOL */
527 };
528
529 struct tgsi_instruction_ext_label
530 {
531 unsigned Type : 4; /* TGSI_INSTRUCTION_EXT_TYPE_LABEL */
532 unsigned Label : 24; /* UINT */
533 unsigned Padding : 3;
534 unsigned Extended : 1; /* BOOL */
535 };
536
537 #define TGSI_TEXTURE_UNKNOWN 0
538 #define TGSI_TEXTURE_1D 1
539 #define TGSI_TEXTURE_2D 2
540 #define TGSI_TEXTURE_3D 3
541 #define TGSI_TEXTURE_CUBE 4
542 #define TGSI_TEXTURE_RECT 5
543 #define TGSI_TEXTURE_SHADOW1D 6
544 #define TGSI_TEXTURE_SHADOW2D 7
545 #define TGSI_TEXTURE_SHADOWRECT 8
546
547 struct tgsi_instruction_ext_texture
548 {
549 unsigned Type : 4; /* TGSI_INSTRUCTION_EXT_TYPE_TEXTURE */
550 unsigned Texture : 8; /* TGSI_TEXTURE_ */
551 unsigned Padding : 19;
552 unsigned Extended : 1; /* BOOL */
553 };
554
555 struct tgsi_instruction_ext_predicate
556 {
557 unsigned Type : 4; /* TGSI_INSTRUCTION_EXT_TYPE_PREDICATE */
558 unsigned PredDstIndex : 4; /* UINT */
559 unsigned PredWriteMask : 4; /* TGSI_WRITEMASK_ */
560 unsigned Padding : 19;
561 unsigned Extended : 1; /* BOOL */
562 };
563
564 /*
565 * File specifies the register array to access.
566 *
567 * Index specifies the element number of a register in the register file.
568 *
569 * If Indirect is TRUE, Index should be offset by the X component of a source
570 * register that follows. The register can be now fetched into local storage
571 * for further processing.
572 *
573 * If Negate is TRUE, all components of the fetched register are negated.
574 *
575 * The fetched register components are swizzled according to SwizzleX, SwizzleY,
576 * SwizzleZ and SwizzleW.
577 *
578 * If Extended is TRUE, any further modifications to the source register are
579 * made to this temporary storage.
580 */
581
582 struct tgsi_src_register
583 {
584 unsigned File : 4; /* TGSI_FILE_ */
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 Negate : 1; /* BOOL */
590 unsigned Indirect : 1; /* BOOL */
591 unsigned Dimension : 1; /* BOOL */
592 int Index : 16; /* SINT */
593 unsigned Extended : 1; /* BOOL */
594 };
595
596 /*
597 * If tgsi_src_register::Extended is TRUE, tgsi_src_register_ext follows.
598 *
599 * Then, if tgsi_src_register::Indirect is TRUE, another tgsi_src_register
600 * follows.
601 *
602 * Then, if tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
603 */
604
605 #define TGSI_SRC_REGISTER_EXT_TYPE_SWZ 0
606 #define TGSI_SRC_REGISTER_EXT_TYPE_MOD 1
607
608 struct tgsi_src_register_ext
609 {
610 unsigned Type : 4; /* TGSI_SRC_REGISTER_EXT_TYPE_ */
611 unsigned Padding : 27;
612 unsigned Extended : 1; /* BOOL */
613 };
614
615 /*
616 * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_SWZ,
617 * it should be cast to tgsi_src_register_ext_swz.
618 *
619 * If tgsi_src_register_ext::Type is TGSI_SRC_REGISTER_EXT_TYPE_MOD,
620 * it should be cast to tgsi_src_register_ext_mod.
621 *
622 * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
623 * follows.
624 */
625
626 #define TGSI_EXTSWIZZLE_X TGSI_SWIZZLE_X
627 #define TGSI_EXTSWIZZLE_Y TGSI_SWIZZLE_Y
628 #define TGSI_EXTSWIZZLE_Z TGSI_SWIZZLE_Z
629 #define TGSI_EXTSWIZZLE_W TGSI_SWIZZLE_W
630 #define TGSI_EXTSWIZZLE_ZERO 4
631 #define TGSI_EXTSWIZZLE_ONE 5
632
633 /*
634 * ExtSwizzleX, ExtSwizzleY, ExtSwizzleZ and ExtSwizzleW swizzle the source
635 * register in an extended manner.
636 *
637 * NegateX, NegateY, NegateZ and NegateW negate individual components of the
638 * source register.
639 */
640
641 struct tgsi_src_register_ext_swz
642 {
643 unsigned Type : 4; /* TGSI_SRC_REGISTER_EXT_TYPE_SWZ */
644 unsigned ExtSwizzleX : 4; /* TGSI_EXTSWIZZLE_ */
645 unsigned ExtSwizzleY : 4; /* TGSI_EXTSWIZZLE_ */
646 unsigned ExtSwizzleZ : 4; /* TGSI_EXTSWIZZLE_ */
647 unsigned ExtSwizzleW : 4; /* TGSI_EXTSWIZZLE_ */
648 unsigned NegateX : 1; /* BOOL */
649 unsigned NegateY : 1; /* BOOL */
650 unsigned NegateZ : 1; /* BOOL */
651 unsigned NegateW : 1; /* BOOL */
652 unsigned Padding : 7;
653 unsigned Extended : 1; /* BOOL */
654 };
655
656 /**
657 * Extra src register modifiers
658 *
659 * If Complement is TRUE, the source register is modified by subtracting it
660 * from 1.0.
661 *
662 * If Bias is TRUE, the source register is modified by subtracting 0.5 from it.
663 *
664 * If Scale2X is TRUE, the source register is modified by multiplying it by 2.0.
665 *
666 * If Absolute is TRUE, the source register is modified by removing the sign.
667 *
668 * If Negate is TRUE, the source register is modified by negating it.
669 */
670
671 struct tgsi_src_register_ext_mod
672 {
673 unsigned Type : 4; /* TGSI_SRC_REGISTER_EXT_TYPE_MOD */
674 unsigned Complement : 1; /* BOOL */
675 unsigned Bias : 1; /* BOOL */
676 unsigned Scale2X : 1; /* BOOL */
677 unsigned Absolute : 1; /* BOOL */
678 unsigned Negate : 1; /* BOOL */
679 unsigned Padding : 22;
680 unsigned Extended : 1; /* BOOL */
681 };
682
683 struct tgsi_dimension
684 {
685 unsigned Indirect : 1; /* BOOL */
686 unsigned Dimension : 1; /* BOOL */
687 unsigned Padding : 13;
688 int Index : 16; /* SINT */
689 unsigned Extended : 1; /* BOOL */
690 };
691
692 struct tgsi_dst_register
693 {
694 unsigned File : 4; /* TGSI_FILE_ */
695 unsigned WriteMask : 4; /* TGSI_WRITEMASK_ */
696 unsigned Indirect : 1; /* BOOL */
697 unsigned Dimension : 1; /* BOOL */
698 int Index : 16; /* SINT */
699 unsigned Padding : 5;
700 unsigned Extended : 1; /* BOOL */
701 };
702
703 /*
704 * If tgsi_dst_register::Extended is TRUE, tgsi_dst_register_ext follows.
705 *
706 * Then, if tgsi_dst_register::Indirect is TRUE, tgsi_src_register follows.
707 */
708
709 #define TGSI_DST_REGISTER_EXT_TYPE_CONDCODE 0
710 #define TGSI_DST_REGISTER_EXT_TYPE_MODULATE 1
711 #define TGSI_DST_REGISTER_EXT_TYPE_PREDICATE 2
712
713 struct tgsi_dst_register_ext
714 {
715 unsigned Type : 4; /* TGSI_DST_REGISTER_EXT_TYPE_ */
716 unsigned Padding : 27;
717 unsigned Extended : 1; /* BOOL */
718 };
719
720 /**
721 * Extra destination register modifiers
722 *
723 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_CONDCODE,
724 * it should be cast to tgsi_dst_register_ext_condcode.
725 *
726 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_MODULATE,
727 * it should be cast to tgsi_dst_register_ext_modulate.
728 *
729 * If tgsi_dst_register_ext::Type is TGSI_DST_REGISTER_EXT_TYPE_PREDICATE,
730 * it should be cast to tgsi_dst_register_ext_predicate.
731 *
732 * If tgsi_dst_register_ext::Extended is TRUE, another tgsi_dst_register_ext
733 * follows.
734 */
735 struct tgsi_dst_register_ext_concode
736 {
737 unsigned Type : 4; /* TGSI_DST_REGISTER_EXT_TYPE_CONDCODE */
738 unsigned CondMask : 4; /* TGSI_CC_ */
739 unsigned CondSwizzleX : 2; /* TGSI_SWIZZLE_ */
740 unsigned CondSwizzleY : 2; /* TGSI_SWIZZLE_ */
741 unsigned CondSwizzleZ : 2; /* TGSI_SWIZZLE_ */
742 unsigned CondSwizzleW : 2; /* TGSI_SWIZZLE_ */
743 unsigned CondSrcIndex : 4; /* UINT */
744 unsigned Padding : 11;
745 unsigned Extended : 1; /* BOOL */
746 };
747
748 #define TGSI_MODULATE_1X 0
749 #define TGSI_MODULATE_2X 1
750 #define TGSI_MODULATE_4X 2
751 #define TGSI_MODULATE_8X 3
752 #define TGSI_MODULATE_HALF 4
753 #define TGSI_MODULATE_QUARTER 5
754 #define TGSI_MODULATE_EIGHTH 6
755
756 struct tgsi_dst_register_ext_modulate
757 {
758 unsigned Type : 4; /* TGSI_DST_REGISTER_EXT_TYPE_MODULATE */
759 unsigned Modulate : 4; /* TGSI_MODULATE_ */
760 unsigned Padding : 23;
761 unsigned Extended : 1; /* BOOL */
762 };
763
764 /*
765 * Currently, the following constraints apply.
766 *
767 * - PredSwizzleXYZW is either set to identity or replicate.
768 * - PredSrcIndex is 0.
769 */
770
771 struct tgsi_dst_register_ext_predicate
772 {
773 unsigned Type : 4; /* TGSI_DST_REGISTER_EXT_TYPE_PREDICATE */
774 unsigned PredSwizzleX : 2; /* TGSI_SWIZZLE_ */
775 unsigned PredSwizzleY : 2; /* TGSI_SWIZZLE_ */
776 unsigned PredSwizzleZ : 2; /* TGSI_SWIZZLE_ */
777 unsigned PredSwizzleW : 2; /* TGSI_SWIZZLE_ */
778 unsigned PredSrcIndex : 4; /* UINT */
779 unsigned Negate : 1; /* BOOL */
780 unsigned Padding : 14;
781 unsigned Extended : 1; /* BOOL */
782 };
783
784
785 #ifdef __cplusplus
786 }
787 #endif
788
789 #endif /* TGSI_TOKEN_H */
790