1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
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 VMWARE, INC 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 **************************************************************************/
29 #include "pipe/p_context.h"
30 #include "pipe/p_state.h"
31 #include "tgsi/tgsi_ureg.h"
32 #include "tgsi/tgsi_build.h"
33 #include "tgsi/tgsi_info.h"
34 #include "tgsi/tgsi_dump.h"
35 #include "tgsi/tgsi_sanity.h"
36 #include "util/u_memory.h"
37 #include "util/u_math.h"
39 union tgsi_any_token
{
40 struct tgsi_header header
;
41 struct tgsi_processor processor
;
42 struct tgsi_token token
;
43 struct tgsi_declaration decl
;
44 struct tgsi_declaration_range decl_range
;
45 struct tgsi_declaration_semantic decl_semantic
;
46 struct tgsi_immediate imm
;
47 union tgsi_immediate_data imm_data
;
48 struct tgsi_instruction insn
;
49 struct tgsi_instruction_predicate insn_predicate
;
50 struct tgsi_instruction_label insn_label
;
51 struct tgsi_instruction_texture insn_texture
;
52 struct tgsi_src_register src
;
53 struct tgsi_dimension dim
;
54 struct tgsi_dst_register dst
;
60 union tgsi_any_token
*tokens
;
66 #define UREG_MAX_INPUT PIPE_MAX_ATTRIBS
67 #define UREG_MAX_OUTPUT PIPE_MAX_ATTRIBS
68 #define UREG_MAX_CONSTANT_RANGE 32
69 #define UREG_MAX_IMMEDIATE 32
70 #define UREG_MAX_TEMP 256
71 #define UREG_MAX_ADDR 2
72 #define UREG_MAX_LOOP 1
73 #define UREG_MAX_PRED 1
81 struct pipe_context
*pipe
;
84 unsigned semantic_name
;
85 unsigned semantic_index
;
87 } fs_input
[UREG_MAX_INPUT
];
88 unsigned nr_fs_inputs
;
90 unsigned vs_inputs
[UREG_MAX_INPUT
/32];
93 unsigned semantic_name
;
94 unsigned semantic_index
;
95 } output
[UREG_MAX_OUTPUT
];
101 } immediate
[UREG_MAX_IMMEDIATE
];
102 unsigned nr_immediates
;
104 struct ureg_src sampler
[PIPE_MAX_SAMPLERS
];
105 unsigned nr_samplers
;
107 unsigned temps_active
[UREG_MAX_TEMP
/ 32];
113 } constant_range
[UREG_MAX_CONSTANT_RANGE
];
114 unsigned nr_constant_ranges
;
119 unsigned nr_instructions
;
121 struct ureg_tokens domain
[2];
124 static union tgsi_any_token error_tokens
[32];
126 static void tokens_error( struct ureg_tokens
*tokens
)
128 if (tokens
->tokens
&& tokens
->tokens
!= error_tokens
)
129 FREE(tokens
->tokens
);
131 tokens
->tokens
= error_tokens
;
132 tokens
->size
= Elements(error_tokens
);
137 static void tokens_expand( struct ureg_tokens
*tokens
,
140 unsigned old_size
= tokens
->size
* sizeof(unsigned);
142 if (tokens
->tokens
== error_tokens
) {
146 while (tokens
->count
+ count
> tokens
->size
) {
147 tokens
->size
= (1 << ++tokens
->order
);
150 tokens
->tokens
= REALLOC(tokens
->tokens
,
152 tokens
->size
* sizeof(unsigned));
153 if (tokens
->tokens
== NULL
) {
154 tokens_error(tokens
);
158 static void set_bad( struct ureg_program
*ureg
)
160 tokens_error(&ureg
->domain
[0]);
165 static union tgsi_any_token
*get_tokens( struct ureg_program
*ureg
,
169 struct ureg_tokens
*tokens
= &ureg
->domain
[domain
];
170 union tgsi_any_token
*result
;
172 if (tokens
->count
+ count
> tokens
->size
)
173 tokens_expand(tokens
, count
);
175 result
= &tokens
->tokens
[tokens
->count
];
176 tokens
->count
+= count
;
181 static union tgsi_any_token
*retrieve_token( struct ureg_program
*ureg
,
185 if (ureg
->domain
[domain
].tokens
== error_tokens
)
186 return &error_tokens
[0];
188 return &ureg
->domain
[domain
].tokens
[nr
];
193 static INLINE
struct ureg_dst
194 ureg_dst_register( unsigned file
,
200 dst
.WriteMask
= TGSI_WRITEMASK_XYZW
;
202 dst
.IndirectIndex
= 0;
203 dst
.IndirectSwizzle
= 0;
207 dst
.PredSwizzleX
= TGSI_SWIZZLE_X
;
208 dst
.PredSwizzleY
= TGSI_SWIZZLE_Y
;
209 dst
.PredSwizzleZ
= TGSI_SWIZZLE_Z
;
210 dst
.PredSwizzleW
= TGSI_SWIZZLE_W
;
216 static INLINE
struct ureg_src
217 ureg_src_register( unsigned file
,
223 src
.SwizzleX
= TGSI_SWIZZLE_X
;
224 src
.SwizzleY
= TGSI_SWIZZLE_Y
;
225 src
.SwizzleZ
= TGSI_SWIZZLE_Z
;
226 src
.SwizzleW
= TGSI_SWIZZLE_W
;
229 src
.IndirectIndex
= 0;
230 src
.IndirectSwizzle
= 0;
242 ureg_DECL_fs_input( struct ureg_program
*ureg
,
245 unsigned interp_mode
)
249 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
250 if (ureg
->fs_input
[i
].semantic_name
== name
&&
251 ureg
->fs_input
[i
].semantic_index
== index
)
255 if (ureg
->nr_fs_inputs
< UREG_MAX_INPUT
) {
256 ureg
->fs_input
[i
].semantic_name
= name
;
257 ureg
->fs_input
[i
].semantic_index
= index
;
258 ureg
->fs_input
[i
].interp
= interp_mode
;
259 ureg
->nr_fs_inputs
++;
266 return ureg_src_register( TGSI_FILE_INPUT
, i
);
271 ureg_DECL_vs_input( struct ureg_program
*ureg
,
274 assert(ureg
->processor
== TGSI_PROCESSOR_VERTEX
);
276 ureg
->vs_inputs
[index
/32] |= 1 << (index
% 32);
277 return ureg_src_register( TGSI_FILE_INPUT
, index
);
282 ureg_DECL_output( struct ureg_program
*ureg
,
288 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
289 if (ureg
->output
[i
].semantic_name
== name
&&
290 ureg
->output
[i
].semantic_index
== index
)
294 if (ureg
->nr_outputs
< UREG_MAX_OUTPUT
) {
295 ureg
->output
[i
].semantic_name
= name
;
296 ureg
->output
[i
].semantic_index
= index
;
304 return ureg_dst_register( TGSI_FILE_OUTPUT
, i
);
308 /* Returns a new constant register. Keep track of which have been
309 * referred to so that we can emit decls later.
311 * There is nothing in this code to bind this constant to any tracked
312 * value or manage any constant_buffer contents -- that's the
313 * resposibility of the calling code.
315 struct ureg_src
ureg_DECL_constant(struct ureg_program
*ureg
,
318 unsigned minconst
= index
, maxconst
= index
;
321 /* Inside existing range?
323 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++) {
324 if (ureg
->constant_range
[i
].first
<= index
&&
325 ureg
->constant_range
[i
].last
>= index
)
329 /* Extend existing range?
331 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++) {
332 if (ureg
->constant_range
[i
].last
== index
- 1) {
333 ureg
->constant_range
[i
].last
= index
;
337 if (ureg
->constant_range
[i
].first
== index
+ 1) {
338 ureg
->constant_range
[i
].first
= index
;
342 minconst
= MIN2(minconst
, ureg
->constant_range
[i
].first
);
343 maxconst
= MAX2(maxconst
, ureg
->constant_range
[i
].last
);
348 if (ureg
->nr_constant_ranges
< UREG_MAX_CONSTANT_RANGE
) {
349 i
= ureg
->nr_constant_ranges
++;
350 ureg
->constant_range
[i
].first
= index
;
351 ureg
->constant_range
[i
].last
= index
;
355 /* Collapse all ranges down to one:
358 ureg
->constant_range
[0].first
= minconst
;
359 ureg
->constant_range
[0].last
= maxconst
;
360 ureg
->nr_constant_ranges
= 1;
363 assert(i
< ureg
->nr_constant_ranges
);
364 assert(ureg
->constant_range
[i
].first
<= index
);
365 assert(ureg
->constant_range
[i
].last
>= index
);
366 return ureg_src_register( TGSI_FILE_CONSTANT
, index
);
370 /* Allocate a new temporary. Temporaries greater than UREG_MAX_TEMP
371 * are legal, but will not be released.
373 struct ureg_dst
ureg_DECL_temporary( struct ureg_program
*ureg
)
377 for (i
= 0; i
< UREG_MAX_TEMP
; i
+= 32) {
378 int bit
= ffs(~ureg
->temps_active
[i
/32]);
385 /* No reusable temps, so allocate a new one:
387 i
= ureg
->nr_temps
++;
390 if (i
< UREG_MAX_TEMP
)
391 ureg
->temps_active
[i
/32] |= 1 << (i
% 32);
393 if (i
>= ureg
->nr_temps
)
394 ureg
->nr_temps
= i
+ 1;
396 return ureg_dst_register( TGSI_FILE_TEMPORARY
, i
);
400 void ureg_release_temporary( struct ureg_program
*ureg
,
401 struct ureg_dst tmp
)
403 if(tmp
.File
== TGSI_FILE_TEMPORARY
)
404 if (tmp
.Index
< UREG_MAX_TEMP
)
405 ureg
->temps_active
[tmp
.Index
/32] &= ~(1 << (tmp
.Index
% 32));
409 /* Allocate a new address register.
411 struct ureg_dst
ureg_DECL_address( struct ureg_program
*ureg
)
413 if (ureg
->nr_addrs
< UREG_MAX_ADDR
)
414 return ureg_dst_register( TGSI_FILE_ADDRESS
, ureg
->nr_addrs
++ );
417 return ureg_dst_register( TGSI_FILE_ADDRESS
, 0 );
420 /* Allocate a new loop register.
423 ureg_DECL_loop(struct ureg_program
*ureg
)
425 if (ureg
->nr_loops
< UREG_MAX_LOOP
) {
426 return ureg_dst_register(TGSI_FILE_LOOP
, ureg
->nr_loops
++);
430 return ureg_dst_register(TGSI_FILE_LOOP
, 0);
433 /* Allocate a new predicate register.
436 ureg_DECL_predicate(struct ureg_program
*ureg
)
438 if (ureg
->nr_preds
< UREG_MAX_PRED
) {
439 return ureg_dst_register(TGSI_FILE_PREDICATE
, ureg
->nr_preds
++);
443 return ureg_dst_register(TGSI_FILE_PREDICATE
, 0);
446 /* Allocate a new sampler.
448 struct ureg_src
ureg_DECL_sampler( struct ureg_program
*ureg
,
453 for (i
= 0; i
< ureg
->nr_samplers
; i
++)
454 if (ureg
->sampler
[i
].Index
== nr
)
455 return ureg
->sampler
[i
];
457 if (i
< PIPE_MAX_SAMPLERS
) {
458 ureg
->sampler
[i
] = ureg_src_register( TGSI_FILE_SAMPLER
, nr
);
460 return ureg
->sampler
[i
];
464 return ureg
->sampler
[0];
470 static int match_or_expand_immediate( const float *v
,
480 for (i
= 0; i
< nr
; i
++) {
481 boolean found
= FALSE
;
483 for (j
= 0; j
< *nr2
&& !found
; j
++) {
485 *swizzle
|= j
<< (i
* 2);
495 *swizzle
|= *nr2
<< (i
* 2);
506 struct ureg_src
ureg_DECL_immediate( struct ureg_program
*ureg
,
513 /* Could do a first pass where we examine all existing immediates
517 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
518 if (match_or_expand_immediate( v
,
520 ureg
->immediate
[i
].v
,
521 &ureg
->immediate
[i
].nr
,
526 if (ureg
->nr_immediates
< UREG_MAX_IMMEDIATE
) {
527 i
= ureg
->nr_immediates
++;
528 if (match_or_expand_immediate( v
,
530 ureg
->immediate
[i
].v
,
531 &ureg
->immediate
[i
].nr
,
539 /* Make sure that all referenced elements are from this immediate.
540 * Has the effect of making size-one immediates into scalars.
542 for (j
= nr
; j
< 4; j
++)
543 swizzle
|= (swizzle
& 0x3) << (j
* 2);
545 return ureg_swizzle( ureg_src_register( TGSI_FILE_IMMEDIATE
, i
),
546 (swizzle
>> 0) & 0x3,
547 (swizzle
>> 2) & 0x3,
548 (swizzle
>> 4) & 0x3,
549 (swizzle
>> 6) & 0x3);
554 ureg_emit_src( struct ureg_program
*ureg
,
555 struct ureg_src src
)
557 unsigned size
= 1 + (src
.Indirect
? 1 : 0);
559 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
562 assert(src
.File
!= TGSI_FILE_NULL
);
563 assert(src
.File
!= TGSI_FILE_OUTPUT
);
564 assert(src
.File
< TGSI_FILE_COUNT
);
567 out
[n
].src
.File
= src
.File
;
568 out
[n
].src
.SwizzleX
= src
.SwizzleX
;
569 out
[n
].src
.SwizzleY
= src
.SwizzleY
;
570 out
[n
].src
.SwizzleZ
= src
.SwizzleZ
;
571 out
[n
].src
.SwizzleW
= src
.SwizzleW
;
572 out
[n
].src
.Index
= src
.Index
;
573 out
[n
].src
.Negate
= src
.Negate
;
574 out
[0].src
.Absolute
= src
.Absolute
;
578 out
[0].src
.Indirect
= 1;
580 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
581 out
[n
].src
.SwizzleX
= src
.IndirectSwizzle
;
582 out
[n
].src
.SwizzleY
= src
.IndirectSwizzle
;
583 out
[n
].src
.SwizzleZ
= src
.IndirectSwizzle
;
584 out
[n
].src
.SwizzleW
= src
.IndirectSwizzle
;
585 out
[n
].src
.Index
= src
.IndirectIndex
;
594 ureg_emit_dst( struct ureg_program
*ureg
,
595 struct ureg_dst dst
)
598 (dst
.Indirect
? 1 : 0));
600 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
603 assert(dst
.File
!= TGSI_FILE_NULL
);
604 assert(dst
.File
!= TGSI_FILE_CONSTANT
);
605 assert(dst
.File
!= TGSI_FILE_INPUT
);
606 assert(dst
.File
!= TGSI_FILE_SAMPLER
);
607 assert(dst
.File
!= TGSI_FILE_IMMEDIATE
);
608 assert(dst
.File
< TGSI_FILE_COUNT
);
611 out
[n
].dst
.File
= dst
.File
;
612 out
[n
].dst
.WriteMask
= dst
.WriteMask
;
613 out
[n
].dst
.Indirect
= dst
.Indirect
;
614 out
[n
].dst
.Index
= dst
.Index
;
619 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
620 out
[n
].src
.SwizzleX
= dst
.IndirectSwizzle
;
621 out
[n
].src
.SwizzleY
= dst
.IndirectSwizzle
;
622 out
[n
].src
.SwizzleZ
= dst
.IndirectSwizzle
;
623 out
[n
].src
.SwizzleW
= dst
.IndirectSwizzle
;
624 out
[n
].src
.Index
= dst
.IndirectIndex
;
632 static void validate( unsigned opcode
,
637 const struct tgsi_opcode_info
*info
= tgsi_get_opcode_info( opcode
);
640 assert(nr_dst
== info
->num_dst
);
641 assert(nr_src
== info
->num_src
);
646 struct ureg_emit_insn_result
647 ureg_emit_insn(struct ureg_program
*ureg
,
652 unsigned pred_swizzle_x
,
653 unsigned pred_swizzle_y
,
654 unsigned pred_swizzle_z
,
655 unsigned pred_swizzle_w
,
659 union tgsi_any_token
*out
;
660 uint count
= predicate
? 2 : 1;
661 struct ureg_emit_insn_result result
;
663 validate( opcode
, num_dst
, num_src
);
665 out
= get_tokens( ureg
, DOMAIN_INSN
, count
);
666 out
[0].insn
= tgsi_default_instruction();
667 out
[0].insn
.Opcode
= opcode
;
668 out
[0].insn
.Saturate
= saturate
;
669 out
[0].insn
.NumDstRegs
= num_dst
;
670 out
[0].insn
.NumSrcRegs
= num_src
;
672 result
.insn_token
= ureg
->domain
[DOMAIN_INSN
].count
- count
;
673 result
.extended_token
= result
.insn_token
;
676 out
[0].insn
.Predicate
= 1;
677 out
[1].insn_predicate
= tgsi_default_instruction_predicate();
678 out
[1].insn_predicate
.Negate
= pred_negate
;
679 out
[1].insn_predicate
.SwizzleX
= pred_swizzle_x
;
680 out
[1].insn_predicate
.SwizzleY
= pred_swizzle_y
;
681 out
[1].insn_predicate
.SwizzleZ
= pred_swizzle_z
;
682 out
[1].insn_predicate
.SwizzleW
= pred_swizzle_w
;
685 ureg
->nr_instructions
++;
692 ureg_emit_label(struct ureg_program
*ureg
,
693 unsigned extended_token
,
694 unsigned *label_token
)
696 union tgsi_any_token
*out
, *insn
;
701 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
704 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
705 insn
->insn
.Label
= 1;
707 *label_token
= ureg
->domain
[DOMAIN_INSN
].count
- 1;
710 /* Will return a number which can be used in a label to point to the
711 * next instruction to be emitted.
714 ureg_get_instruction_number( struct ureg_program
*ureg
)
716 return ureg
->nr_instructions
;
719 /* Patch a given label (expressed as a token number) to point to a
720 * given instruction (expressed as an instruction number).
723 ureg_fixup_label(struct ureg_program
*ureg
,
724 unsigned label_token
,
725 unsigned instruction_number
)
727 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, label_token
);
729 out
->insn_label
.Label
= instruction_number
;
734 ureg_emit_texture(struct ureg_program
*ureg
,
735 unsigned extended_token
,
738 union tgsi_any_token
*out
, *insn
;
740 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
741 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
743 insn
->insn
.Texture
= 1;
746 out
[0].insn_texture
.Texture
= target
;
751 ureg_fixup_insn_size(struct ureg_program
*ureg
,
754 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, insn
);
756 assert(out
->insn
.Type
== TGSI_TOKEN_TYPE_INSTRUCTION
);
757 out
->insn
.NrTokens
= ureg
->domain
[DOMAIN_INSN
].count
- insn
- 1;
762 ureg_insn(struct ureg_program
*ureg
,
764 const struct ureg_dst
*dst
,
766 const struct ureg_src
*src
,
769 struct ureg_emit_insn_result insn
;
776 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
777 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
779 negate
= dst
[0].PredNegate
;
780 swizzle
[0] = dst
[0].PredSwizzleX
;
781 swizzle
[1] = dst
[0].PredSwizzleY
;
782 swizzle
[2] = dst
[0].PredSwizzleZ
;
783 swizzle
[3] = dst
[0].PredSwizzleW
;
786 insn
= ureg_emit_insn(ureg
,
798 for (i
= 0; i
< nr_dst
; i
++)
799 ureg_emit_dst( ureg
, dst
[i
] );
801 for (i
= 0; i
< nr_src
; i
++)
802 ureg_emit_src( ureg
, src
[i
] );
804 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
808 ureg_tex_insn(struct ureg_program
*ureg
,
810 const struct ureg_dst
*dst
,
813 const struct ureg_src
*src
,
816 struct ureg_emit_insn_result insn
;
823 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
824 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
826 negate
= dst
[0].PredNegate
;
827 swizzle
[0] = dst
[0].PredSwizzleX
;
828 swizzle
[1] = dst
[0].PredSwizzleY
;
829 swizzle
[2] = dst
[0].PredSwizzleZ
;
830 swizzle
[3] = dst
[0].PredSwizzleW
;
833 insn
= ureg_emit_insn(ureg
,
845 ureg_emit_texture( ureg
, insn
.extended_token
, target
);
847 for (i
= 0; i
< nr_dst
; i
++)
848 ureg_emit_dst( ureg
, dst
[i
] );
850 for (i
= 0; i
< nr_src
; i
++)
851 ureg_emit_src( ureg
, src
[i
] );
853 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
858 ureg_label_insn(struct ureg_program
*ureg
,
860 const struct ureg_src
*src
,
862 unsigned *label_token
)
864 struct ureg_emit_insn_result insn
;
867 insn
= ureg_emit_insn(ureg
,
879 ureg_emit_label( ureg
, insn
.extended_token
, label_token
);
881 for (i
= 0; i
< nr_src
; i
++)
882 ureg_emit_src( ureg
, src
[i
] );
884 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
889 static void emit_decl( struct ureg_program
*ureg
,
892 unsigned semantic_name
,
893 unsigned semantic_index
,
896 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 3 );
899 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
900 out
[0].decl
.NrTokens
= 3;
901 out
[0].decl
.File
= file
;
902 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
; /* FIXME! */
903 out
[0].decl
.Interpolate
= interp
;
904 out
[0].decl
.Semantic
= 1;
907 out
[1].decl_range
.First
=
908 out
[1].decl_range
.Last
= index
;
911 out
[2].decl_semantic
.Name
= semantic_name
;
912 out
[2].decl_semantic
.Index
= semantic_index
;
917 static void emit_decl_range( struct ureg_program
*ureg
,
922 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
925 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
926 out
[0].decl
.NrTokens
= 2;
927 out
[0].decl
.File
= file
;
928 out
[0].decl
.UsageMask
= 0xf;
929 out
[0].decl
.Interpolate
= TGSI_INTERPOLATE_CONSTANT
;
930 out
[0].decl
.Semantic
= 0;
933 out
[1].decl_range
.First
= first
;
934 out
[1].decl_range
.Last
= first
+ count
- 1;
937 static void emit_immediate( struct ureg_program
*ureg
,
940 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 5 );
943 out
[0].imm
.Type
= TGSI_TOKEN_TYPE_IMMEDIATE
;
944 out
[0].imm
.NrTokens
= 5;
945 out
[0].imm
.DataType
= TGSI_IMM_FLOAT32
;
946 out
[0].imm
.Padding
= 0;
948 out
[1].imm_data
.Float
= v
[0];
949 out
[2].imm_data
.Float
= v
[1];
950 out
[3].imm_data
.Float
= v
[2];
951 out
[4].imm_data
.Float
= v
[3];
957 static void emit_decls( struct ureg_program
*ureg
)
961 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
) {
962 for (i
= 0; i
< UREG_MAX_INPUT
; i
++) {
963 if (ureg
->vs_inputs
[i
/32] & (1 << (i
%32))) {
964 emit_decl_range( ureg
, TGSI_FILE_INPUT
, i
, 1 );
969 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
973 ureg
->fs_input
[i
].semantic_name
,
974 ureg
->fs_input
[i
].semantic_index
,
975 ureg
->fs_input
[i
].interp
);
979 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
983 ureg
->output
[i
].semantic_name
,
984 ureg
->output
[i
].semantic_index
,
985 TGSI_INTERPOLATE_CONSTANT
);
988 for (i
= 0; i
< ureg
->nr_samplers
; i
++) {
989 emit_decl_range( ureg
,
991 ureg
->sampler
[i
].Index
, 1 );
994 if (ureg
->nr_constant_ranges
) {
995 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++)
996 emit_decl_range( ureg
,
998 ureg
->constant_range
[i
].first
,
999 (ureg
->constant_range
[i
].last
+ 1 -
1000 ureg
->constant_range
[i
].first
) );
1003 if (ureg
->nr_temps
) {
1004 emit_decl_range( ureg
,
1005 TGSI_FILE_TEMPORARY
,
1006 0, ureg
->nr_temps
);
1009 if (ureg
->nr_addrs
) {
1010 emit_decl_range( ureg
,
1012 0, ureg
->nr_addrs
);
1015 if (ureg
->nr_loops
) {
1016 emit_decl_range(ureg
,
1022 if (ureg
->nr_preds
) {
1023 emit_decl_range(ureg
,
1024 TGSI_FILE_PREDICATE
,
1029 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
1030 emit_immediate( ureg
,
1031 ureg
->immediate
[i
].v
);
1035 /* Append the instruction tokens onto the declarations to build a
1036 * contiguous stream suitable to send to the driver.
1038 static void copy_instructions( struct ureg_program
*ureg
)
1040 unsigned nr_tokens
= ureg
->domain
[DOMAIN_INSN
].count
;
1041 union tgsi_any_token
*out
= get_tokens( ureg
,
1046 ureg
->domain
[DOMAIN_INSN
].tokens
,
1047 nr_tokens
* sizeof out
[0] );
1052 fixup_header_size(struct ureg_program
*ureg
)
1054 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_DECL
, 0 );
1056 out
->header
.BodySize
= ureg
->domain
[DOMAIN_DECL
].count
- 3;
1061 emit_header( struct ureg_program
*ureg
)
1063 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
1065 out
[0].header
.HeaderSize
= 2;
1066 out
[0].header
.BodySize
= 0;
1068 out
[1].processor
.Processor
= ureg
->processor
;
1069 out
[1].processor
.Padding
= 0;
1073 const struct tgsi_token
*ureg_finalize( struct ureg_program
*ureg
)
1075 const struct tgsi_token
*tokens
;
1077 emit_header( ureg
);
1079 copy_instructions( ureg
);
1080 fixup_header_size( ureg
);
1082 if (ureg
->domain
[0].tokens
== error_tokens
||
1083 ureg
->domain
[1].tokens
== error_tokens
) {
1084 debug_printf("%s: error in generated shader\n", __FUNCTION__
);
1089 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1092 debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__
,
1093 ureg
->domain
[DOMAIN_DECL
].count
);
1094 tgsi_dump( tokens
, 0 );
1098 if (tokens
&& !tgsi_sanity_check(tokens
)) {
1099 debug_printf("tgsi_ureg.c, sanity check failed on generated tokens:\n");
1100 tgsi_dump(tokens
, 0);
1110 void *ureg_create_shader( struct ureg_program
*ureg
,
1111 struct pipe_context
*pipe
)
1113 struct pipe_shader_state state
;
1115 state
.tokens
= ureg_finalize(ureg
);
1119 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
)
1120 return pipe
->create_vs_state( pipe
, &state
);
1122 return pipe
->create_fs_state( pipe
, &state
);
1126 const struct tgsi_token
*ureg_get_tokens( struct ureg_program
*ureg
,
1127 unsigned *nr_tokens
)
1129 const struct tgsi_token
*tokens
;
1131 ureg_finalize(ureg
);
1133 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1136 *nr_tokens
= ureg
->domain
[DOMAIN_DECL
].size
;
1138 ureg
->domain
[DOMAIN_DECL
].tokens
= 0;
1139 ureg
->domain
[DOMAIN_DECL
].size
= 0;
1140 ureg
->domain
[DOMAIN_DECL
].order
= 0;
1141 ureg
->domain
[DOMAIN_DECL
].count
= 0;
1147 struct ureg_program
*ureg_create( unsigned processor
)
1149 struct ureg_program
*ureg
= CALLOC_STRUCT( ureg_program
);
1153 ureg
->processor
= processor
;
1158 void ureg_destroy( struct ureg_program
*ureg
)
1162 for (i
= 0; i
< Elements(ureg
->domain
); i
++) {
1163 if (ureg
->domain
[i
].tokens
&&
1164 ureg
->domain
[i
].tokens
!= error_tokens
)
1165 FREE(ureg
->domain
[i
].tokens
);