1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "util/u_debug.h"
29 #include "pipe/p_shader_tokens.h"
30 #include "tgsi_build.h"
31 #include "tgsi_parse.h"
38 tgsi_build_version( void )
40 struct tgsi_version version
;
42 version
.MajorVersion
= 1;
43 version
.MinorVersion
= 1;
54 tgsi_build_header( void )
56 struct tgsi_header header
;
58 header
.HeaderSize
= 1;
65 header_headersize_grow( struct tgsi_header
*header
)
67 assert( header
->HeaderSize
< 0xFF );
68 assert( header
->BodySize
== 0 );
74 header_bodysize_grow( struct tgsi_header
*header
)
76 assert( header
->BodySize
< 0xFFFFFF );
82 tgsi_default_processor( void )
84 struct tgsi_processor processor
;
86 processor
.Processor
= TGSI_PROCESSOR_FRAGMENT
;
87 processor
.Padding
= 0;
95 struct tgsi_header
*header
)
97 struct tgsi_processor processor
;
99 processor
= tgsi_default_processor();
100 processor
.Processor
= type
;
102 header_headersize_grow( header
);
111 struct tgsi_declaration
112 tgsi_default_declaration( void )
114 struct tgsi_declaration declaration
;
116 declaration
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
117 declaration
.NrTokens
= 1;
118 declaration
.File
= TGSI_FILE_NULL
;
119 declaration
.UsageMask
= TGSI_WRITEMASK_XYZW
;
120 declaration
.Interpolate
= TGSI_INTERPOLATE_CONSTANT
;
121 declaration
.Semantic
= 0;
122 declaration
.Centroid
= 0;
123 declaration
.Invariant
= 0;
124 declaration
.Padding
= 0;
125 declaration
.Extended
= 0;
130 struct tgsi_declaration
131 tgsi_build_declaration(
134 unsigned interpolate
,
138 struct tgsi_header
*header
)
140 struct tgsi_declaration declaration
;
142 assert( file
< TGSI_FILE_COUNT
);
143 assert( interpolate
< TGSI_INTERPOLATE_COUNT
);
145 declaration
= tgsi_default_declaration();
146 declaration
.File
= file
;
147 declaration
.UsageMask
= usage_mask
;
148 declaration
.Interpolate
= interpolate
;
149 declaration
.Semantic
= semantic
;
150 declaration
.Centroid
= centroid
;
151 declaration
.Invariant
= invariant
;
153 header_bodysize_grow( header
);
160 struct tgsi_declaration
*declaration
,
161 struct tgsi_header
*header
)
163 assert( declaration
->NrTokens
< 0xFF );
165 declaration
->NrTokens
++;
167 header_bodysize_grow( header
);
170 struct tgsi_full_declaration
171 tgsi_default_full_declaration( void )
173 struct tgsi_full_declaration full_declaration
;
175 full_declaration
.Declaration
= tgsi_default_declaration();
176 full_declaration
.DeclarationRange
= tgsi_default_declaration_range();
177 full_declaration
.Semantic
= tgsi_default_declaration_semantic();
179 return full_declaration
;
183 tgsi_build_full_declaration(
184 const struct tgsi_full_declaration
*full_decl
,
185 struct tgsi_token
*tokens
,
186 struct tgsi_header
*header
,
190 struct tgsi_declaration
*declaration
;
191 struct tgsi_declaration_range
*dr
;
193 if( maxsize
<= size
)
195 declaration
= (struct tgsi_declaration
*) &tokens
[size
];
198 *declaration
= tgsi_build_declaration(
199 full_decl
->Declaration
.File
,
200 full_decl
->Declaration
.UsageMask
,
201 full_decl
->Declaration
.Interpolate
,
202 full_decl
->Declaration
.Semantic
,
203 full_decl
->Declaration
.Centroid
,
204 full_decl
->Declaration
.Invariant
,
209 dr
= (struct tgsi_declaration_range
*) &tokens
[size
];
212 *dr
= tgsi_build_declaration_range(
213 full_decl
->DeclarationRange
.First
,
214 full_decl
->DeclarationRange
.Last
,
218 if( full_decl
->Declaration
.Semantic
) {
219 struct tgsi_declaration_semantic
*ds
;
221 if( maxsize
<= size
)
223 ds
= (struct tgsi_declaration_semantic
*) &tokens
[size
];
226 *ds
= tgsi_build_declaration_semantic(
227 full_decl
->Semantic
.SemanticName
,
228 full_decl
->Semantic
.SemanticIndex
,
236 struct tgsi_declaration_range
237 tgsi_default_declaration_range( void )
239 struct tgsi_declaration_range dr
;
247 struct tgsi_declaration_range
248 tgsi_build_declaration_range(
251 struct tgsi_declaration
*declaration
,
252 struct tgsi_header
*header
)
254 struct tgsi_declaration_range declaration_range
;
256 assert( last
>= first
);
257 assert( last
<= 0xFFFF );
259 declaration_range
= tgsi_default_declaration_range();
260 declaration_range
.First
= first
;
261 declaration_range
.Last
= last
;
263 declaration_grow( declaration
, header
);
265 return declaration_range
;
268 struct tgsi_declaration_semantic
269 tgsi_default_declaration_semantic( void )
271 struct tgsi_declaration_semantic ds
;
273 ds
.SemanticName
= TGSI_SEMANTIC_POSITION
;
274 ds
.SemanticIndex
= 0;
280 struct tgsi_declaration_semantic
281 tgsi_build_declaration_semantic(
282 unsigned semantic_name
,
283 unsigned semantic_index
,
284 struct tgsi_declaration
*declaration
,
285 struct tgsi_header
*header
)
287 struct tgsi_declaration_semantic ds
;
289 assert( semantic_name
<= TGSI_SEMANTIC_COUNT
);
290 assert( semantic_index
<= 0xFFFF );
292 ds
= tgsi_default_declaration_semantic();
293 ds
.SemanticName
= semantic_name
;
294 ds
.SemanticIndex
= semantic_index
;
296 declaration_grow( declaration
, header
);
305 struct tgsi_immediate
306 tgsi_default_immediate( void )
308 struct tgsi_immediate immediate
;
310 immediate
.Type
= TGSI_TOKEN_TYPE_IMMEDIATE
;
311 immediate
.NrTokens
= 1;
312 immediate
.DataType
= TGSI_IMM_FLOAT32
;
313 immediate
.Padding
= 0;
314 immediate
.Extended
= 0;
319 struct tgsi_immediate
320 tgsi_build_immediate(
321 struct tgsi_header
*header
)
323 struct tgsi_immediate immediate
;
325 immediate
= tgsi_default_immediate();
327 header_bodysize_grow( header
);
332 struct tgsi_full_immediate
333 tgsi_default_full_immediate( void )
335 struct tgsi_full_immediate fullimm
;
337 fullimm
.Immediate
= tgsi_default_immediate();
338 fullimm
.u
[0].Float
= 0.0f
;
339 fullimm
.u
[1].Float
= 0.0f
;
340 fullimm
.u
[2].Float
= 0.0f
;
341 fullimm
.u
[3].Float
= 0.0f
;
348 struct tgsi_immediate
*immediate
,
349 struct tgsi_header
*header
)
351 assert( immediate
->NrTokens
< 0xFF );
353 immediate
->NrTokens
++;
355 header_bodysize_grow( header
);
358 union tgsi_immediate_data
359 tgsi_build_immediate_float32(
361 struct tgsi_immediate
*immediate
,
362 struct tgsi_header
*header
)
364 union tgsi_immediate_data immediate_data
;
366 immediate_data
.Float
= value
;
368 immediate_grow( immediate
, header
);
370 return immediate_data
;
374 tgsi_build_full_immediate(
375 const struct tgsi_full_immediate
*full_imm
,
376 struct tgsi_token
*tokens
,
377 struct tgsi_header
*header
,
380 unsigned size
= 0, i
;
381 struct tgsi_immediate
*immediate
;
383 if( maxsize
<= size
)
385 immediate
= (struct tgsi_immediate
*) &tokens
[size
];
388 *immediate
= tgsi_build_immediate( header
);
390 assert( full_imm
->Immediate
.NrTokens
<= 4 + 1 );
392 for( i
= 0; i
< full_imm
->Immediate
.NrTokens
- 1; i
++ ) {
393 union tgsi_immediate_data
*data
;
395 if( maxsize
<= size
)
397 data
= (union tgsi_immediate_data
*) &tokens
[size
];
400 *data
= tgsi_build_immediate_float32(
401 full_imm
->u
[i
].Float
,
413 struct tgsi_instruction
414 tgsi_default_instruction( void )
416 struct tgsi_instruction instruction
;
418 instruction
.Type
= TGSI_TOKEN_TYPE_INSTRUCTION
;
419 instruction
.NrTokens
= 1;
420 instruction
.Opcode
= TGSI_OPCODE_MOV
;
421 instruction
.Saturate
= TGSI_SAT_NONE
;
422 instruction
.NumDstRegs
= 1;
423 instruction
.NumSrcRegs
= 1;
424 instruction
.Padding
= 0;
425 instruction
.Extended
= 0;
430 struct tgsi_instruction
431 tgsi_build_instruction(
434 unsigned num_dst_regs
,
435 unsigned num_src_regs
,
436 struct tgsi_header
*header
)
438 struct tgsi_instruction instruction
;
440 assert (opcode
<= TGSI_OPCODE_LAST
);
441 assert (saturate
<= TGSI_SAT_MINUS_PLUS_ONE
);
442 assert (num_dst_regs
<= 3);
443 assert (num_src_regs
<= 15);
445 instruction
= tgsi_default_instruction();
446 instruction
.Opcode
= opcode
;
447 instruction
.Saturate
= saturate
;
448 instruction
.NumDstRegs
= num_dst_regs
;
449 instruction
.NumSrcRegs
= num_src_regs
;
451 header_bodysize_grow( header
);
458 struct tgsi_instruction
*instruction
,
459 struct tgsi_header
*header
)
461 assert (instruction
->NrTokens
< 0xFF);
463 instruction
->NrTokens
++;
465 header_bodysize_grow( header
);
468 struct tgsi_full_instruction
469 tgsi_default_full_instruction( void )
471 struct tgsi_full_instruction full_instruction
;
474 full_instruction
.Instruction
= tgsi_default_instruction();
475 full_instruction
.InstructionExtLabel
= tgsi_default_instruction_ext_label();
476 full_instruction
.InstructionExtTexture
= tgsi_default_instruction_ext_texture();
477 full_instruction
.InstructionExtPredicate
= tgsi_default_instruction_ext_predicate();
478 for( i
= 0; i
< TGSI_FULL_MAX_DST_REGISTERS
; i
++ ) {
479 full_instruction
.FullDstRegisters
[i
] = tgsi_default_full_dst_register();
481 for( i
= 0; i
< TGSI_FULL_MAX_SRC_REGISTERS
; i
++ ) {
482 full_instruction
.FullSrcRegisters
[i
] = tgsi_default_full_src_register();
485 full_instruction
.Flags
= 0x0;
487 return full_instruction
;
491 tgsi_build_full_instruction(
492 const struct tgsi_full_instruction
*full_inst
,
493 struct tgsi_token
*tokens
,
494 struct tgsi_header
*header
,
499 struct tgsi_instruction
*instruction
;
500 struct tgsi_token
*prev_token
;
502 if( maxsize
<= size
)
504 instruction
= (struct tgsi_instruction
*) &tokens
[size
];
507 *instruction
= tgsi_build_instruction(
508 full_inst
->Instruction
.Opcode
,
509 full_inst
->Instruction
.Saturate
,
510 full_inst
->Instruction
.NumDstRegs
,
511 full_inst
->Instruction
.NumSrcRegs
,
513 prev_token
= (struct tgsi_token
*) instruction
;
515 if( tgsi_compare_instruction_ext_label(
516 full_inst
->InstructionExtLabel
,
517 tgsi_default_instruction_ext_label() ) ) {
518 struct tgsi_instruction_ext_label
*instruction_ext_label
;
520 if( maxsize
<= size
)
522 instruction_ext_label
=
523 (struct tgsi_instruction_ext_label
*) &tokens
[size
];
526 *instruction_ext_label
= tgsi_build_instruction_ext_label(
527 full_inst
->InstructionExtLabel
.Label
,
531 prev_token
= (struct tgsi_token
*) instruction_ext_label
;
534 if( tgsi_compare_instruction_ext_texture(
535 full_inst
->InstructionExtTexture
,
536 tgsi_default_instruction_ext_texture() ) ) {
537 struct tgsi_instruction_ext_texture
*instruction_ext_texture
;
539 if( maxsize
<= size
)
541 instruction_ext_texture
=
542 (struct tgsi_instruction_ext_texture
*) &tokens
[size
];
545 *instruction_ext_texture
= tgsi_build_instruction_ext_texture(
546 full_inst
->InstructionExtTexture
.Texture
,
550 prev_token
= (struct tgsi_token
*) instruction_ext_texture
;
553 if (tgsi_compare_instruction_ext_predicate(full_inst
->InstructionExtPredicate
,
554 tgsi_default_instruction_ext_predicate())) {
555 struct tgsi_instruction_ext_predicate
*instruction_ext_predicate
;
557 if (maxsize
<= size
) {
560 instruction_ext_predicate
= (struct tgsi_instruction_ext_predicate
*)&tokens
[size
];
563 *instruction_ext_predicate
=
564 tgsi_build_instruction_ext_predicate(full_inst
->InstructionExtPredicate
.SrcIndex
,
565 full_inst
->InstructionExtPredicate
.Negate
,
566 full_inst
->InstructionExtPredicate
.SwizzleX
,
567 full_inst
->InstructionExtPredicate
.SwizzleY
,
568 full_inst
->InstructionExtPredicate
.SwizzleZ
,
569 full_inst
->InstructionExtPredicate
.SwizzleW
,
573 prev_token
= (struct tgsi_token
*)instruction_ext_predicate
;
576 for( i
= 0; i
< full_inst
->Instruction
.NumDstRegs
; i
++ ) {
577 const struct tgsi_full_dst_register
*reg
= &full_inst
->FullDstRegisters
[i
];
578 struct tgsi_dst_register
*dst_register
;
579 struct tgsi_token
*prev_token
;
581 if( maxsize
<= size
)
583 dst_register
= (struct tgsi_dst_register
*) &tokens
[size
];
586 *dst_register
= tgsi_build_dst_register(
587 reg
->DstRegister
.File
,
588 reg
->DstRegister
.WriteMask
,
589 reg
->DstRegister
.Indirect
,
590 reg
->DstRegister
.Index
,
593 prev_token
= (struct tgsi_token
*) dst_register
;
595 if( tgsi_compare_dst_register_ext_modulate(
596 reg
->DstRegisterExtModulate
,
597 tgsi_default_dst_register_ext_modulate() ) ) {
598 struct tgsi_dst_register_ext_modulate
*dst_register_ext_modulate
;
600 if( maxsize
<= size
)
602 dst_register_ext_modulate
=
603 (struct tgsi_dst_register_ext_modulate
*) &tokens
[size
];
606 *dst_register_ext_modulate
= tgsi_build_dst_register_ext_modulate(
607 reg
->DstRegisterExtModulate
.Modulate
,
611 prev_token
= (struct tgsi_token
*) dst_register_ext_modulate
;
614 if( reg
->DstRegister
.Indirect
) {
615 struct tgsi_src_register
*ind
;
617 if( maxsize
<= size
)
619 ind
= (struct tgsi_src_register
*) &tokens
[size
];
622 *ind
= tgsi_build_src_register(
623 reg
->DstRegisterInd
.File
,
624 reg
->DstRegisterInd
.SwizzleX
,
625 reg
->DstRegisterInd
.SwizzleY
,
626 reg
->DstRegisterInd
.SwizzleZ
,
627 reg
->DstRegisterInd
.SwizzleW
,
628 reg
->DstRegisterInd
.Negate
,
629 reg
->DstRegisterInd
.Indirect
,
630 reg
->DstRegisterInd
.Dimension
,
631 reg
->DstRegisterInd
.Index
,
637 for( i
= 0; i
< full_inst
->Instruction
.NumSrcRegs
; i
++ ) {
638 const struct tgsi_full_src_register
*reg
= &full_inst
->FullSrcRegisters
[i
];
639 struct tgsi_src_register
*src_register
;
640 struct tgsi_token
*prev_token
;
642 if( maxsize
<= size
)
644 src_register
= (struct tgsi_src_register
*) &tokens
[size
];
647 *src_register
= tgsi_build_src_register(
648 reg
->SrcRegister
.File
,
649 reg
->SrcRegister
.SwizzleX
,
650 reg
->SrcRegister
.SwizzleY
,
651 reg
->SrcRegister
.SwizzleZ
,
652 reg
->SrcRegister
.SwizzleW
,
653 reg
->SrcRegister
.Negate
,
654 reg
->SrcRegister
.Indirect
,
655 reg
->SrcRegister
.Dimension
,
656 reg
->SrcRegister
.Index
,
659 prev_token
= (struct tgsi_token
*) src_register
;
661 if( tgsi_compare_src_register_ext_mod(
662 reg
->SrcRegisterExtMod
,
663 tgsi_default_src_register_ext_mod() ) ) {
664 struct tgsi_src_register_ext_mod
*src_register_ext_mod
;
666 if( maxsize
<= size
)
668 src_register_ext_mod
=
669 (struct tgsi_src_register_ext_mod
*) &tokens
[size
];
672 *src_register_ext_mod
= tgsi_build_src_register_ext_mod(
673 reg
->SrcRegisterExtMod
.Complement
,
674 reg
->SrcRegisterExtMod
.Bias
,
675 reg
->SrcRegisterExtMod
.Scale2X
,
676 reg
->SrcRegisterExtMod
.Absolute
,
677 reg
->SrcRegisterExtMod
.Negate
,
681 prev_token
= (struct tgsi_token
*) src_register_ext_mod
;
684 if( reg
->SrcRegister
.Indirect
) {
685 struct tgsi_src_register
*ind
;
687 if( maxsize
<= size
)
689 ind
= (struct tgsi_src_register
*) &tokens
[size
];
692 *ind
= tgsi_build_src_register(
693 reg
->SrcRegisterInd
.File
,
694 reg
->SrcRegisterInd
.SwizzleX
,
695 reg
->SrcRegisterInd
.SwizzleY
,
696 reg
->SrcRegisterInd
.SwizzleZ
,
697 reg
->SrcRegisterInd
.SwizzleW
,
698 reg
->SrcRegisterInd
.Negate
,
699 reg
->SrcRegisterInd
.Indirect
,
700 reg
->SrcRegisterInd
.Dimension
,
701 reg
->SrcRegisterInd
.Index
,
706 if( reg
->SrcRegister
.Dimension
) {
707 struct tgsi_dimension
*dim
;
709 assert( !reg
->SrcRegisterDim
.Dimension
);
711 if( maxsize
<= size
)
713 dim
= (struct tgsi_dimension
*) &tokens
[size
];
716 *dim
= tgsi_build_dimension(
717 reg
->SrcRegisterDim
.Indirect
,
718 reg
->SrcRegisterDim
.Index
,
722 if( reg
->SrcRegisterDim
.Indirect
) {
723 struct tgsi_src_register
*ind
;
725 if( maxsize
<= size
)
727 ind
= (struct tgsi_src_register
*) &tokens
[size
];
730 *ind
= tgsi_build_src_register(
731 reg
->SrcRegisterDimInd
.File
,
732 reg
->SrcRegisterDimInd
.SwizzleX
,
733 reg
->SrcRegisterDimInd
.SwizzleY
,
734 reg
->SrcRegisterDimInd
.SwizzleZ
,
735 reg
->SrcRegisterDimInd
.SwizzleW
,
736 reg
->SrcRegisterDimInd
.Negate
,
737 reg
->SrcRegisterDimInd
.Indirect
,
738 reg
->SrcRegisterDimInd
.Dimension
,
739 reg
->SrcRegisterDimInd
.Index
,
749 /** test for inequality of 32-bit values pointed to by a and b */
750 static INLINE boolean
751 compare32(const void *a
, const void *b
)
753 return *((uint32_t *) a
) != *((uint32_t *) b
);
756 struct tgsi_instruction_ext_label
757 tgsi_default_instruction_ext_label( void )
759 struct tgsi_instruction_ext_label instruction_ext_label
;
761 instruction_ext_label
.Type
= TGSI_INSTRUCTION_EXT_TYPE_LABEL
;
762 instruction_ext_label
.Label
= 0;
763 instruction_ext_label
.Padding
= 0;
764 instruction_ext_label
.Extended
= 0;
766 return instruction_ext_label
;
770 tgsi_compare_instruction_ext_label(
771 struct tgsi_instruction_ext_label a
,
772 struct tgsi_instruction_ext_label b
)
774 a
.Padding
= b
.Padding
= 0;
775 a
.Extended
= b
.Extended
= 0;
776 return compare32(&a
, &b
);
779 struct tgsi_instruction_ext_label
780 tgsi_build_instruction_ext_label(
782 struct tgsi_token
*prev_token
,
783 struct tgsi_instruction
*instruction
,
784 struct tgsi_header
*header
)
786 struct tgsi_instruction_ext_label instruction_ext_label
;
788 instruction_ext_label
= tgsi_default_instruction_ext_label();
789 instruction_ext_label
.Label
= label
;
791 prev_token
->Extended
= 1;
792 instruction_grow( instruction
, header
);
794 return instruction_ext_label
;
797 struct tgsi_instruction_ext_texture
798 tgsi_default_instruction_ext_texture( void )
800 struct tgsi_instruction_ext_texture instruction_ext_texture
;
802 instruction_ext_texture
.Type
= TGSI_INSTRUCTION_EXT_TYPE_TEXTURE
;
803 instruction_ext_texture
.Texture
= TGSI_TEXTURE_UNKNOWN
;
804 instruction_ext_texture
.Padding
= 0;
805 instruction_ext_texture
.Extended
= 0;
807 return instruction_ext_texture
;
811 tgsi_compare_instruction_ext_texture(
812 struct tgsi_instruction_ext_texture a
,
813 struct tgsi_instruction_ext_texture b
)
815 a
.Padding
= b
.Padding
= 0;
816 a
.Extended
= b
.Extended
= 0;
817 return compare32(&a
, &b
);
820 struct tgsi_instruction_ext_texture
821 tgsi_build_instruction_ext_texture(
823 struct tgsi_token
*prev_token
,
824 struct tgsi_instruction
*instruction
,
825 struct tgsi_header
*header
)
827 struct tgsi_instruction_ext_texture instruction_ext_texture
;
829 instruction_ext_texture
= tgsi_default_instruction_ext_texture();
830 instruction_ext_texture
.Texture
= texture
;
832 prev_token
->Extended
= 1;
833 instruction_grow( instruction
, header
);
835 return instruction_ext_texture
;
838 struct tgsi_instruction_ext_predicate
839 tgsi_default_instruction_ext_predicate(void)
841 struct tgsi_instruction_ext_predicate instruction_ext_predicate
;
843 instruction_ext_predicate
.Type
= TGSI_INSTRUCTION_EXT_TYPE_PREDICATE
;
844 instruction_ext_predicate
.SwizzleX
= TGSI_SWIZZLE_X
;
845 instruction_ext_predicate
.SwizzleY
= TGSI_SWIZZLE_Y
;
846 instruction_ext_predicate
.SwizzleZ
= TGSI_SWIZZLE_Z
;
847 instruction_ext_predicate
.SwizzleW
= TGSI_SWIZZLE_W
;
848 instruction_ext_predicate
.Negate
= 0;
849 instruction_ext_predicate
.SrcIndex
= 0;
850 instruction_ext_predicate
.Padding
= 0;
851 instruction_ext_predicate
.Extended
= 0;
853 return instruction_ext_predicate
;
857 tgsi_compare_instruction_ext_predicate(struct tgsi_instruction_ext_predicate a
,
858 struct tgsi_instruction_ext_predicate b
)
860 a
.Padding
= b
.Padding
= 0;
861 a
.Extended
= b
.Extended
= 0;
862 return compare32(&a
, &b
);
865 struct tgsi_instruction_ext_predicate
866 tgsi_build_instruction_ext_predicate(unsigned index
,
872 struct tgsi_token
*prev_token
,
873 struct tgsi_instruction
*instruction
,
874 struct tgsi_header
*header
)
876 struct tgsi_instruction_ext_predicate instruction_ext_predicate
;
878 instruction_ext_predicate
= tgsi_default_instruction_ext_predicate();
879 instruction_ext_predicate
.SwizzleX
= swizzleX
;
880 instruction_ext_predicate
.SwizzleY
= swizzleY
;
881 instruction_ext_predicate
.SwizzleZ
= swizzleZ
;
882 instruction_ext_predicate
.SwizzleW
= swizzleW
;
883 instruction_ext_predicate
.Negate
= negate
;
884 instruction_ext_predicate
.SrcIndex
= index
;
886 prev_token
->Extended
= 1;
887 instruction_grow(instruction
, header
);
889 return instruction_ext_predicate
;
892 struct tgsi_src_register
893 tgsi_default_src_register( void )
895 struct tgsi_src_register src_register
;
897 src_register
.File
= TGSI_FILE_NULL
;
898 src_register
.SwizzleX
= TGSI_SWIZZLE_X
;
899 src_register
.SwizzleY
= TGSI_SWIZZLE_Y
;
900 src_register
.SwizzleZ
= TGSI_SWIZZLE_Z
;
901 src_register
.SwizzleW
= TGSI_SWIZZLE_W
;
902 src_register
.Negate
= 0;
903 src_register
.Indirect
= 0;
904 src_register
.Dimension
= 0;
905 src_register
.Index
= 0;
906 src_register
.Extended
= 0;
911 struct tgsi_src_register
912 tgsi_build_src_register(
922 struct tgsi_instruction
*instruction
,
923 struct tgsi_header
*header
)
925 struct tgsi_src_register src_register
;
927 assert( file
< TGSI_FILE_COUNT
);
928 assert( swizzle_x
<= TGSI_SWIZZLE_W
);
929 assert( swizzle_y
<= TGSI_SWIZZLE_W
);
930 assert( swizzle_z
<= TGSI_SWIZZLE_W
);
931 assert( swizzle_w
<= TGSI_SWIZZLE_W
);
932 assert( negate
<= 1 );
933 assert( index
>= -0x8000 && index
<= 0x7FFF );
935 src_register
= tgsi_default_src_register();
936 src_register
.File
= file
;
937 src_register
.SwizzleX
= swizzle_x
;
938 src_register
.SwizzleY
= swizzle_y
;
939 src_register
.SwizzleZ
= swizzle_z
;
940 src_register
.SwizzleW
= swizzle_w
;
941 src_register
.Negate
= negate
;
942 src_register
.Indirect
= indirect
;
943 src_register
.Dimension
= dimension
;
944 src_register
.Index
= index
;
946 instruction_grow( instruction
, header
);
951 struct tgsi_full_src_register
952 tgsi_default_full_src_register( void )
954 struct tgsi_full_src_register full_src_register
;
956 full_src_register
.SrcRegister
= tgsi_default_src_register();
957 full_src_register
.SrcRegisterExtMod
= tgsi_default_src_register_ext_mod();
958 full_src_register
.SrcRegisterInd
= tgsi_default_src_register();
959 full_src_register
.SrcRegisterDim
= tgsi_default_dimension();
960 full_src_register
.SrcRegisterDimInd
= tgsi_default_src_register();
962 return full_src_register
;
966 struct tgsi_src_register_ext_mod
967 tgsi_default_src_register_ext_mod( void )
969 struct tgsi_src_register_ext_mod src_register_ext_mod
;
971 src_register_ext_mod
.Type
= TGSI_SRC_REGISTER_EXT_TYPE_MOD
;
972 src_register_ext_mod
.Complement
= 0;
973 src_register_ext_mod
.Bias
= 0;
974 src_register_ext_mod
.Scale2X
= 0;
975 src_register_ext_mod
.Absolute
= 0;
976 src_register_ext_mod
.Negate
= 0;
977 src_register_ext_mod
.Padding
= 0;
978 src_register_ext_mod
.Extended
= 0;
980 return src_register_ext_mod
;
984 tgsi_compare_src_register_ext_mod(
985 struct tgsi_src_register_ext_mod a
,
986 struct tgsi_src_register_ext_mod b
)
988 a
.Padding
= b
.Padding
= 0;
989 a
.Extended
= b
.Extended
= 0;
990 return compare32(&a
, &b
);
993 struct tgsi_src_register_ext_mod
994 tgsi_build_src_register_ext_mod(
1000 struct tgsi_token
*prev_token
,
1001 struct tgsi_instruction
*instruction
,
1002 struct tgsi_header
*header
)
1004 struct tgsi_src_register_ext_mod src_register_ext_mod
;
1006 assert( complement
<= 1 );
1007 assert( bias
<= 1 );
1008 assert( scale_2x
<= 1 );
1009 assert( absolute
<= 1 );
1010 assert( negate
<= 1 );
1012 src_register_ext_mod
= tgsi_default_src_register_ext_mod();
1013 src_register_ext_mod
.Complement
= complement
;
1014 src_register_ext_mod
.Bias
= bias
;
1015 src_register_ext_mod
.Scale2X
= scale_2x
;
1016 src_register_ext_mod
.Absolute
= absolute
;
1017 src_register_ext_mod
.Negate
= negate
;
1019 prev_token
->Extended
= 1;
1020 instruction_grow( instruction
, header
);
1022 return src_register_ext_mod
;
1025 struct tgsi_dimension
1026 tgsi_default_dimension( void )
1028 struct tgsi_dimension dimension
;
1030 dimension
.Indirect
= 0;
1031 dimension
.Dimension
= 0;
1032 dimension
.Padding
= 0;
1033 dimension
.Index
= 0;
1034 dimension
.Extended
= 0;
1039 struct tgsi_dimension
1040 tgsi_build_dimension(
1043 struct tgsi_instruction
*instruction
,
1044 struct tgsi_header
*header
)
1046 struct tgsi_dimension dimension
;
1048 dimension
= tgsi_default_dimension();
1049 dimension
.Indirect
= indirect
;
1050 dimension
.Index
= index
;
1052 instruction_grow( instruction
, header
);
1057 struct tgsi_dst_register
1058 tgsi_default_dst_register( void )
1060 struct tgsi_dst_register dst_register
;
1062 dst_register
.File
= TGSI_FILE_NULL
;
1063 dst_register
.WriteMask
= TGSI_WRITEMASK_XYZW
;
1064 dst_register
.Indirect
= 0;
1065 dst_register
.Dimension
= 0;
1066 dst_register
.Index
= 0;
1067 dst_register
.Padding
= 0;
1068 dst_register
.Extended
= 0;
1070 return dst_register
;
1073 struct tgsi_dst_register
1074 tgsi_build_dst_register(
1079 struct tgsi_instruction
*instruction
,
1080 struct tgsi_header
*header
)
1082 struct tgsi_dst_register dst_register
;
1084 assert( file
< TGSI_FILE_COUNT
);
1085 assert( mask
<= TGSI_WRITEMASK_XYZW
);
1086 assert( index
>= -32768 && index
<= 32767 );
1088 dst_register
= tgsi_default_dst_register();
1089 dst_register
.File
= file
;
1090 dst_register
.WriteMask
= mask
;
1091 dst_register
.Index
= index
;
1092 dst_register
.Indirect
= indirect
;
1094 instruction_grow( instruction
, header
);
1096 return dst_register
;
1099 struct tgsi_full_dst_register
1100 tgsi_default_full_dst_register( void )
1102 struct tgsi_full_dst_register full_dst_register
;
1104 full_dst_register
.DstRegister
= tgsi_default_dst_register();
1105 full_dst_register
.DstRegisterInd
= tgsi_default_src_register();
1106 full_dst_register
.DstRegisterExtModulate
=
1107 tgsi_default_dst_register_ext_modulate();
1109 return full_dst_register
;
1112 struct tgsi_dst_register_ext_modulate
1113 tgsi_default_dst_register_ext_modulate( void )
1115 struct tgsi_dst_register_ext_modulate dst_register_ext_modulate
;
1117 dst_register_ext_modulate
.Type
= TGSI_DST_REGISTER_EXT_TYPE_MODULATE
;
1118 dst_register_ext_modulate
.Modulate
= TGSI_MODULATE_1X
;
1119 dst_register_ext_modulate
.Padding
= 0;
1120 dst_register_ext_modulate
.Extended
= 0;
1122 return dst_register_ext_modulate
;
1126 tgsi_compare_dst_register_ext_modulate(
1127 struct tgsi_dst_register_ext_modulate a
,
1128 struct tgsi_dst_register_ext_modulate b
)
1130 a
.Padding
= b
.Padding
= 0;
1131 a
.Extended
= b
.Extended
= 0;
1132 return compare32(&a
, &b
);
1135 struct tgsi_dst_register_ext_modulate
1136 tgsi_build_dst_register_ext_modulate(
1138 struct tgsi_token
*prev_token
,
1139 struct tgsi_instruction
*instruction
,
1140 struct tgsi_header
*header
)
1142 struct tgsi_dst_register_ext_modulate dst_register_ext_modulate
;
1144 assert( modulate
<= TGSI_MODULATE_EIGHTH
);
1146 dst_register_ext_modulate
= tgsi_default_dst_register_ext_modulate();
1147 dst_register_ext_modulate
.Modulate
= modulate
;
1149 prev_token
->Extended
= 1;
1150 instruction_grow( instruction
, header
);
1152 return dst_register_ext_modulate
;