1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
|
/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE, INC AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef TGSI_UREG_H
#define TGSI_UREG_H
#include "pipe/p_compiler.h"
#include "pipe/p_shader_tokens.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ureg_program;
/* Almost a tgsi_src_register, but we need to pull in the Absolute
* flag from the _ext token. Indirect flag always implies ADDR[0].
*/
struct ureg_src
{
unsigned File : 4; /* TGSI_FILE_ */
unsigned SwizzleX : 2; /* TGSI_SWIZZLE_ */
unsigned SwizzleY : 2; /* TGSI_SWIZZLE_ */
unsigned SwizzleZ : 2; /* TGSI_SWIZZLE_ */
unsigned SwizzleW : 2; /* TGSI_SWIZZLE_ */
unsigned Pad : 1; /* BOOL */
unsigned Indirect : 1; /* BOOL */
unsigned Absolute : 1; /* BOOL */
int Index : 16; /* SINT */
unsigned Negate : 1; /* BOOL */
int IndirectIndex : 16; /* SINT */
int IndirectSwizzle : 2; /* TGSI_SWIZZLE_ */
};
/* Very similar to a tgsi_dst_register, removing unsupported fields
* and adding a Saturate flag. It's easier to push saturate into the
* destination register than to try and create a _SAT varient of each
* instruction function.
*/
struct ureg_dst
{
unsigned File : 4; /* TGSI_FILE_ */
unsigned WriteMask : 4; /* TGSI_WRITEMASK_ */
unsigned Indirect : 1; /* BOOL */
unsigned Saturate : 1; /* BOOL */
unsigned Predicate : 1;
unsigned PredNegate : 1; /* BOOL */
unsigned PredSwizzleX: 2; /* TGSI_SWIZZLE_ */
unsigned PredSwizzleY: 2; /* TGSI_SWIZZLE_ */
unsigned PredSwizzleZ: 2; /* TGSI_SWIZZLE_ */
unsigned PredSwizzleW: 2; /* TGSI_SWIZZLE_ */
int Index : 16; /* SINT */
int IndirectIndex : 16; /* SINT */
int IndirectSwizzle : 2; /* TGSI_SWIZZLE_ */
};
struct pipe_context;
struct ureg_program *
ureg_create( unsigned processor );
const struct tgsi_token *
ureg_finalize( struct ureg_program * );
/* Create and return a shader:
*/
void *
ureg_create_shader( struct ureg_program *,
struct pipe_context *pipe );
/* Alternately, return the built token stream and hand ownership of
* that memory to the caller:
*/
const struct tgsi_token *
ureg_get_tokens( struct ureg_program *ureg,
unsigned *nr_tokens );
void
ureg_destroy( struct ureg_program * );
/***********************************************************************
* Convenience routine:
*/
static INLINE void *
ureg_create_shader_and_destroy( struct ureg_program *p,
struct pipe_context *pipe )
{
void *result = ureg_create_shader( p, pipe );
ureg_destroy( p );
return result;
}
/***********************************************************************
* Build shader declarations:
*/
struct ureg_src
ureg_DECL_fs_input( struct ureg_program *,
unsigned semantic_name,
unsigned semantic_index,
unsigned interp_mode );
struct ureg_src
ureg_DECL_vs_input( struct ureg_program *,
unsigned index );
struct ureg_src
ureg_DECL_gs_input(struct ureg_program *,
unsigned index);
struct ureg_dst
ureg_DECL_output( struct ureg_program *,
unsigned semantic_name,
unsigned semantic_index );
struct ureg_src
ureg_DECL_immediate( struct ureg_program *,
const float *v,
unsigned nr );
struct ureg_src
ureg_DECL_constant( struct ureg_program *,
unsigned index );
struct ureg_dst
ureg_DECL_temporary( struct ureg_program * );
void
ureg_release_temporary( struct ureg_program *ureg,
struct ureg_dst tmp );
struct ureg_dst
ureg_DECL_address( struct ureg_program * );
struct ureg_dst
ureg_DECL_loop( struct ureg_program * );
struct ureg_dst
ureg_DECL_predicate(struct ureg_program *);
/* Supply an index to the sampler declaration as this is the hook to
* the external pipe_sampler state. Users of this function probably
* don't want just any sampler, but a specific one which they've set
* up state for in the context.
*/
struct ureg_src
ureg_DECL_sampler( struct ureg_program *,
unsigned index );
static INLINE struct ureg_src
ureg_imm4f( struct ureg_program *ureg,
float a, float b,
float c, float d)
{
float v[4];
v[0] = a;
v[1] = b;
v[2] = c;
v[3] = d;
return ureg_DECL_immediate( ureg, v, 4 );
}
static INLINE struct ureg_src
ureg_imm3f( struct ureg_program *ureg,
float a, float b,
float c)
{
float v[3];
v[0] = a;
v[1] = b;
v[2] = c;
return ureg_DECL_immediate( ureg, v, 3 );
}
static INLINE struct ureg_src
ureg_imm2f( struct ureg_program *ureg,
float a, float b)
{
float v[2];
v[0] = a;
v[1] = b;
return ureg_DECL_immediate( ureg, v, 2 );
}
static INLINE struct ureg_src
ureg_imm1f( struct ureg_program *ureg,
float a)
{
float v[1];
v[0] = a;
return ureg_DECL_immediate( ureg, v, 1 );
}
/***********************************************************************
* Functions for patching up labels
*/
/* Will return a number which can be used in a label to point to the
* next instruction to be emitted.
*/
unsigned
ureg_get_instruction_number( struct ureg_program *ureg );
/* Patch a given label (expressed as a token number) to point to a
* given instruction (expressed as an instruction number).
*
* Labels are obtained from instruction emitters, eg ureg_CAL().
* Instruction numbers are obtained from ureg_get_instruction_number(),
* above.
*/
void
ureg_fixup_label(struct ureg_program *ureg,
unsigned label_token,
unsigned instruction_number );
/* Generic instruction emitter. Use if you need to pass the opcode as
* a parameter, rather than using the emit_OP() varients below.
*/
void
ureg_insn(struct ureg_program *ureg,
unsigned opcode,
const struct ureg_dst *dst,
unsigned nr_dst,
const struct ureg_src *src,
unsigned nr_src );
void
ureg_tex_insn(struct ureg_program *ureg,
unsigned opcode,
const struct ureg_dst *dst,
unsigned nr_dst,
unsigned target,
const struct ureg_src *src,
unsigned nr_src );
void
ureg_label_insn(struct ureg_program *ureg,
unsigned opcode,
const struct ureg_src *src,
unsigned nr_src,
unsigned *label);
/***********************************************************************
* Internal instruction helpers, don't call these directly:
*/
struct ureg_emit_insn_result {
unsigned insn_token; /*< Used to fixup insn size. */
unsigned extended_token; /*< Used to set the Extended bit, usually the same as insn_token. */
};
struct ureg_emit_insn_result
ureg_emit_insn(struct ureg_program *ureg,
unsigned opcode,
boolean saturate,
boolean predicate,
boolean pred_negate,
unsigned pred_swizzle_x,
unsigned pred_swizzle_y,
unsigned pred_swizzle_z,
unsigned pred_swizzle_w,
unsigned num_dst,
unsigned num_src );
void
ureg_emit_label(struct ureg_program *ureg,
unsigned insn_token,
unsigned *label_token );
void
ureg_emit_texture(struct ureg_program *ureg,
unsigned insn_token,
unsigned target );
void
ureg_emit_dst( struct ureg_program *ureg,
struct ureg_dst dst );
void
ureg_emit_src( struct ureg_program *ureg,
struct ureg_src src );
void
ureg_fixup_insn_size(struct ureg_program *ureg,
unsigned insn );
#define OP00( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
unsigned insn = ureg_emit_insn(ureg, \
opcode, \
FALSE, \
FALSE, \
FALSE, \
TGSI_SWIZZLE_X, \
TGSI_SWIZZLE_Y, \
TGSI_SWIZZLE_Z, \
TGSI_SWIZZLE_W, \
0, \
0).insn_token; \
ureg_fixup_insn_size( ureg, insn ); \
}
#define OP01( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_src src ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
unsigned insn = ureg_emit_insn(ureg, \
opcode, \
FALSE, \
FALSE, \
FALSE, \
TGSI_SWIZZLE_X, \
TGSI_SWIZZLE_Y, \
TGSI_SWIZZLE_Z, \
TGSI_SWIZZLE_W, \
0, \
1).insn_token; \
ureg_emit_src( ureg, src ); \
ureg_fixup_insn_size( ureg, insn ); \
}
#define OP00_LBL( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
unsigned *label_token ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
struct ureg_emit_insn_result insn; \
insn = ureg_emit_insn(ureg, \
opcode, \
FALSE, \
FALSE, \
FALSE, \
TGSI_SWIZZLE_X, \
TGSI_SWIZZLE_Y, \
TGSI_SWIZZLE_Z, \
TGSI_SWIZZLE_W, \
0, \
0); \
ureg_emit_label( ureg, insn.extended_token, label_token ); \
ureg_fixup_insn_size( ureg, insn.insn_token ); \
}
#define OP01_LBL( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_src src, \
unsigned *label_token ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
struct ureg_emit_insn_result insn; \
insn = ureg_emit_insn(ureg, \
opcode, \
FALSE, \
FALSE, \
FALSE, \
TGSI_SWIZZLE_X, \
TGSI_SWIZZLE_Y, \
TGSI_SWIZZLE_Z, \
TGSI_SWIZZLE_W, \
0, \
1); \
ureg_emit_label( ureg, insn.extended_token, label_token ); \
ureg_emit_src( ureg, src ); \
ureg_fixup_insn_size( ureg, insn.insn_token ); \
}
#define OP10( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_dst dst ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
unsigned insn = ureg_emit_insn(ureg, \
opcode, \
dst.Saturate, \
dst.Predicate, \
dst.PredNegate, \
dst.PredSwizzleX, \
dst.PredSwizzleY, \
dst.PredSwizzleZ, \
dst.PredSwizzleW, \
1, \
0).insn_token; \
ureg_emit_dst( ureg, dst ); \
ureg_fixup_insn_size( ureg, insn ); \
}
#define OP11( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_dst dst, \
struct ureg_src src ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
unsigned insn = ureg_emit_insn(ureg, \
opcode, \
dst.Saturate, \
dst.Predicate, \
dst.PredNegate, \
dst.PredSwizzleX, \
dst.PredSwizzleY, \
dst.PredSwizzleZ, \
dst.PredSwizzleW, \
1, \
1).insn_token; \
ureg_emit_dst( ureg, dst ); \
ureg_emit_src( ureg, src ); \
ureg_fixup_insn_size( ureg, insn ); \
}
#define OP12( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_dst dst, \
struct ureg_src src0, \
struct ureg_src src1 ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
unsigned insn = ureg_emit_insn(ureg, \
opcode, \
dst.Saturate, \
dst.Predicate, \
dst.PredNegate, \
dst.PredSwizzleX, \
dst.PredSwizzleY, \
dst.PredSwizzleZ, \
dst.PredSwizzleW, \
1, \
2).insn_token; \
ureg_emit_dst( ureg, dst ); \
ureg_emit_src( ureg, src0 ); \
ureg_emit_src( ureg, src1 ); \
ureg_fixup_insn_size( ureg, insn ); \
}
#define OP12_TEX( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_dst dst, \
unsigned target, \
struct ureg_src src0, \
struct ureg_src src1 ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
struct ureg_emit_insn_result insn; \
insn = ureg_emit_insn(ureg, \
opcode, \
dst.Saturate, \
dst.Predicate, \
dst.PredNegate, \
dst.PredSwizzleX, \
dst.PredSwizzleY, \
dst.PredSwizzleZ, \
dst.PredSwizzleW, \
1, \
2); \
ureg_emit_texture( ureg, insn.extended_token, target ); \
ureg_emit_dst( ureg, dst ); \
ureg_emit_src( ureg, src0 ); \
ureg_emit_src( ureg, src1 ); \
ureg_fixup_insn_size( ureg, insn.insn_token ); \
}
#define OP13( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_dst dst, \
struct ureg_src src0, \
struct ureg_src src1, \
struct ureg_src src2 ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
unsigned insn = ureg_emit_insn(ureg, \
opcode, \
dst.Saturate, \
dst.Predicate, \
dst.PredNegate, \
dst.PredSwizzleX, \
dst.PredSwizzleY, \
dst.PredSwizzleZ, \
dst.PredSwizzleW, \
1, \
3).insn_token; \
ureg_emit_dst( ureg, dst ); \
ureg_emit_src( ureg, src0 ); \
ureg_emit_src( ureg, src1 ); \
ureg_emit_src( ureg, src2 ); \
ureg_fixup_insn_size( ureg, insn ); \
}
#define OP14_TEX( op ) \
static INLINE void ureg_##op( struct ureg_program *ureg, \
struct ureg_dst dst, \
unsigned target, \
struct ureg_src src0, \
struct ureg_src src1, \
struct ureg_src src2, \
struct ureg_src src3 ) \
{ \
unsigned opcode = TGSI_OPCODE_##op; \
struct ureg_emit_insn_result insn; \
insn = ureg_emit_insn(ureg, \
opcode, \
dst.Saturate, \
dst.Predicate, \
dst.PredNegate, \
dst.PredSwizzleX, \
dst.PredSwizzleY, \
dst.PredSwizzleZ, \
dst.PredSwizzleW, \
1, \
4); \
ureg_emit_texture( ureg, insn.extended_token, target ); \
ureg_emit_dst( ureg, dst ); \
ureg_emit_src( ureg, src0 ); \
ureg_emit_src( ureg, src1 ); \
ureg_emit_src( ureg, src2 ); \
ureg_emit_src( ureg, src3 ); \
ureg_fixup_insn_size( ureg, insn.insn_token ); \
}
/* Use a template include to generate a correctly-typed ureg_OP()
* function for each TGSI opcode:
*/
#include "tgsi_opcode_tmp.h"
/***********************************************************************
* Inline helpers for manipulating register structs:
*/
static INLINE struct ureg_src
ureg_negate( struct ureg_src reg )
{
assert(reg.File != TGSI_FILE_NULL);
reg.Negate ^= 1;
return reg;
}
static INLINE struct ureg_src
ureg_abs( struct ureg_src reg )
{
assert(reg.File != TGSI_FILE_NULL);
reg.Absolute = 1;
reg.Negate = 0;
return reg;
}
static INLINE struct ureg_src
ureg_swizzle( struct ureg_src reg,
int x, int y, int z, int w )
{
unsigned swz = ( (reg.SwizzleX << 0) |
(reg.SwizzleY << 2) |
(reg.SwizzleZ << 4) |
(reg.SwizzleW << 6));
assert(reg.File != TGSI_FILE_NULL);
assert(x < 4);
assert(y < 4);
assert(z < 4);
assert(w < 4);
reg.SwizzleX = (swz >> (x*2)) & 0x3;
reg.SwizzleY = (swz >> (y*2)) & 0x3;
reg.SwizzleZ = (swz >> (z*2)) & 0x3;
reg.SwizzleW = (swz >> (w*2)) & 0x3;
return reg;
}
static INLINE struct ureg_src
ureg_scalar( struct ureg_src reg, int x )
{
return ureg_swizzle(reg, x, x, x, x);
}
static INLINE struct ureg_dst
ureg_writemask( struct ureg_dst reg,
unsigned writemask )
{
assert(reg.File != TGSI_FILE_NULL);
reg.WriteMask &= writemask;
return reg;
}
static INLINE struct ureg_dst
ureg_saturate( struct ureg_dst reg )
{
assert(reg.File != TGSI_FILE_NULL);
reg.Saturate = 1;
return reg;
}
static INLINE struct ureg_dst
ureg_predicate(struct ureg_dst reg,
boolean negate,
unsigned swizzle_x,
unsigned swizzle_y,
unsigned swizzle_z,
unsigned swizzle_w)
{
assert(reg.File != TGSI_FILE_NULL);
reg.Predicate = 1;
reg.PredNegate = negate;
reg.PredSwizzleX = swizzle_x;
reg.PredSwizzleY = swizzle_y;
reg.PredSwizzleZ = swizzle_z;
reg.PredSwizzleW = swizzle_w;
return reg;
}
static INLINE struct ureg_dst
ureg_dst_indirect( struct ureg_dst reg, struct ureg_src addr )
{
assert(reg.File != TGSI_FILE_NULL);
assert(addr.File == TGSI_FILE_ADDRESS);
reg.Indirect = 1;
reg.IndirectIndex = addr.Index;
reg.IndirectSwizzle = addr.SwizzleX;
return reg;
}
static INLINE struct ureg_src
ureg_src_indirect( struct ureg_src reg, struct ureg_src addr )
{
assert(reg.File != TGSI_FILE_NULL);
assert(addr.File == TGSI_FILE_ADDRESS);
reg.Indirect = 1;
reg.IndirectIndex = addr.Index;
reg.IndirectSwizzle = addr.SwizzleX;
return reg;
}
static INLINE struct ureg_dst
ureg_dst( struct ureg_src src )
{
struct ureg_dst dst;
dst.File = src.File;
dst.WriteMask = TGSI_WRITEMASK_XYZW;
dst.Indirect = src.Indirect;
dst.IndirectIndex = src.IndirectIndex;
dst.IndirectSwizzle = src.IndirectSwizzle;
dst.Saturate = 0;
dst.Predicate = 0;
dst.PredNegate = 0;
dst.PredSwizzleX = TGSI_SWIZZLE_X;
dst.PredSwizzleY = TGSI_SWIZZLE_Y;
dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
dst.PredSwizzleW = TGSI_SWIZZLE_W;
dst.Index = src.Index;
return dst;
}
static INLINE struct ureg_src
ureg_src( struct ureg_dst dst )
{
struct ureg_src src;
src.File = dst.File;
src.SwizzleX = TGSI_SWIZZLE_X;
src.SwizzleY = TGSI_SWIZZLE_Y;
src.SwizzleZ = TGSI_SWIZZLE_Z;
src.SwizzleW = TGSI_SWIZZLE_W;
src.Pad = 0;
src.Indirect = dst.Indirect;
src.IndirectIndex = dst.IndirectIndex;
src.IndirectSwizzle = dst.IndirectSwizzle;
src.Absolute = 0;
src.Index = dst.Index;
src.Negate = 0;
return src;
}
static INLINE struct ureg_dst
ureg_dst_undef( void )
{
struct ureg_dst dst;
dst.File = TGSI_FILE_NULL;
dst.WriteMask = 0;
dst.Indirect = 0;
dst.IndirectIndex = 0;
dst.IndirectSwizzle = 0;
dst.Saturate = 0;
dst.Predicate = 0;
dst.PredNegate = 0;
dst.PredSwizzleX = TGSI_SWIZZLE_X;
dst.PredSwizzleY = TGSI_SWIZZLE_Y;
dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
dst.PredSwizzleW = TGSI_SWIZZLE_W;
dst.Index = 0;
return dst;
}
static INLINE struct ureg_src
ureg_src_undef( void )
{
struct ureg_src src;
src.File = TGSI_FILE_NULL;
src.SwizzleX = 0;
src.SwizzleY = 0;
src.SwizzleZ = 0;
src.SwizzleW = 0;
src.Pad = 0;
src.Indirect = 0;
src.IndirectIndex = 0;
src.IndirectSwizzle = 0;
src.Absolute = 0;
src.Index = 0;
src.Negate = 0;
return src;
}
static INLINE boolean
ureg_src_is_undef( struct ureg_src src )
{
return src.File == TGSI_FILE_NULL;
}
static INLINE boolean
ureg_dst_is_undef( struct ureg_dst dst )
{
return dst.File == TGSI_FILE_NULL;
}
#ifdef __cplusplus
}
#endif
#endif
|
