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_version version
;
41 struct tgsi_header header
;
42 struct tgsi_processor processor
;
43 struct tgsi_token token
;
44 struct tgsi_declaration decl
;
45 struct tgsi_declaration_range decl_range
;
46 struct tgsi_declaration_semantic decl_semantic
;
47 struct tgsi_immediate imm
;
48 union tgsi_immediate_data imm_data
;
49 struct tgsi_instruction insn
;
50 struct tgsi_instruction_ext_label insn_ext_label
;
51 struct tgsi_instruction_ext_texture insn_ext_texture
;
52 struct tgsi_instruction_ext_predicate insn_ext_predicate
;
53 struct tgsi_src_register src
;
54 struct tgsi_src_register_ext_mod src_ext_mod
;
55 struct tgsi_dimension dim
;
56 struct tgsi_dst_register dst
;
57 struct tgsi_dst_register_ext_modulate dst_ext_mod
;
63 union tgsi_any_token
*tokens
;
69 #define UREG_MAX_INPUT PIPE_MAX_ATTRIBS
70 #define UREG_MAX_OUTPUT PIPE_MAX_ATTRIBS
71 #define UREG_MAX_CONSTANT_RANGE 32
72 #define UREG_MAX_IMMEDIATE 32
73 #define UREG_MAX_TEMP 256
74 #define UREG_MAX_ADDR 2
75 #define UREG_MAX_PRED 1
83 struct pipe_context
*pipe
;
86 unsigned semantic_name
;
87 unsigned semantic_index
;
89 } fs_input
[UREG_MAX_INPUT
];
90 unsigned nr_fs_inputs
;
92 unsigned vs_inputs
[UREG_MAX_INPUT
/32];
95 unsigned semantic_name
;
96 unsigned semantic_index
;
97 } output
[UREG_MAX_OUTPUT
];
103 } immediate
[UREG_MAX_IMMEDIATE
];
104 unsigned nr_immediates
;
106 struct ureg_src sampler
[PIPE_MAX_SAMPLERS
];
107 unsigned nr_samplers
;
109 unsigned temps_active
[UREG_MAX_TEMP
/ 32];
115 } constant_range
[UREG_MAX_CONSTANT_RANGE
];
116 unsigned nr_constant_ranges
;
120 unsigned nr_instructions
;
122 struct ureg_tokens domain
[2];
125 static union tgsi_any_token error_tokens
[32];
127 static void tokens_error( struct ureg_tokens
*tokens
)
129 if (tokens
->tokens
&& tokens
->tokens
!= error_tokens
)
130 FREE(tokens
->tokens
);
132 tokens
->tokens
= error_tokens
;
133 tokens
->size
= Elements(error_tokens
);
138 static void tokens_expand( struct ureg_tokens
*tokens
,
141 unsigned old_size
= tokens
->size
* sizeof(unsigned);
143 if (tokens
->tokens
== error_tokens
) {
147 while (tokens
->count
+ count
> tokens
->size
) {
148 tokens
->size
= (1 << ++tokens
->order
);
151 tokens
->tokens
= REALLOC(tokens
->tokens
,
153 tokens
->size
* sizeof(unsigned));
154 if (tokens
->tokens
== NULL
) {
155 tokens_error(tokens
);
159 static void set_bad( struct ureg_program
*ureg
)
161 tokens_error(&ureg
->domain
[0]);
166 static union tgsi_any_token
*get_tokens( struct ureg_program
*ureg
,
170 struct ureg_tokens
*tokens
= &ureg
->domain
[domain
];
171 union tgsi_any_token
*result
;
173 if (tokens
->count
+ count
> tokens
->size
)
174 tokens_expand(tokens
, count
);
176 result
= &tokens
->tokens
[tokens
->count
];
177 tokens
->count
+= count
;
182 static union tgsi_any_token
*retrieve_token( struct ureg_program
*ureg
,
186 if (ureg
->domain
[domain
].tokens
== error_tokens
)
187 return &error_tokens
[0];
189 return &ureg
->domain
[domain
].tokens
[nr
];
194 static INLINE
struct ureg_dst
195 ureg_dst_register( unsigned file
,
201 dst
.WriteMask
= TGSI_WRITEMASK_XYZW
;
203 dst
.IndirectIndex
= 0;
204 dst
.IndirectSwizzle
= 0;
208 dst
.PredSwizzleX
= TGSI_SWIZZLE_X
;
209 dst
.PredSwizzleY
= TGSI_SWIZZLE_Y
;
210 dst
.PredSwizzleZ
= TGSI_SWIZZLE_Z
;
211 dst
.PredSwizzleW
= TGSI_SWIZZLE_W
;
217 static INLINE
struct ureg_src
218 ureg_src_register( unsigned file
,
224 src
.SwizzleX
= TGSI_SWIZZLE_X
;
225 src
.SwizzleY
= TGSI_SWIZZLE_Y
;
226 src
.SwizzleZ
= TGSI_SWIZZLE_Z
;
227 src
.SwizzleW
= TGSI_SWIZZLE_W
;
230 src
.IndirectIndex
= 0;
231 src
.IndirectSwizzle
= 0;
243 ureg_DECL_fs_input( struct ureg_program
*ureg
,
246 unsigned interp_mode
)
250 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
251 if (ureg
->fs_input
[i
].semantic_name
== name
&&
252 ureg
->fs_input
[i
].semantic_index
== index
)
256 if (ureg
->nr_fs_inputs
< UREG_MAX_INPUT
) {
257 ureg
->fs_input
[i
].semantic_name
= name
;
258 ureg
->fs_input
[i
].semantic_index
= index
;
259 ureg
->fs_input
[i
].interp
= interp_mode
;
260 ureg
->nr_fs_inputs
++;
267 return ureg_src_register( TGSI_FILE_INPUT
, i
);
272 ureg_DECL_vs_input( struct ureg_program
*ureg
,
275 assert(ureg
->processor
== TGSI_PROCESSOR_VERTEX
);
277 ureg
->vs_inputs
[index
/32] |= 1 << (index
% 32);
278 return ureg_src_register( TGSI_FILE_INPUT
, index
);
283 ureg_DECL_output( struct ureg_program
*ureg
,
289 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
290 if (ureg
->output
[i
].semantic_name
== name
&&
291 ureg
->output
[i
].semantic_index
== index
)
295 if (ureg
->nr_outputs
< UREG_MAX_OUTPUT
) {
296 ureg
->output
[i
].semantic_name
= name
;
297 ureg
->output
[i
].semantic_index
= index
;
305 return ureg_dst_register( TGSI_FILE_OUTPUT
, i
);
309 /* Returns a new constant register. Keep track of which have been
310 * referred to so that we can emit decls later.
312 * There is nothing in this code to bind this constant to any tracked
313 * value or manage any constant_buffer contents -- that's the
314 * resposibility of the calling code.
316 struct ureg_src
ureg_DECL_constant(struct ureg_program
*ureg
,
319 unsigned minconst
= index
, maxconst
= index
;
322 /* Inside existing range?
324 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++) {
325 if (ureg
->constant_range
[i
].first
<= index
&&
326 ureg
->constant_range
[i
].last
>= index
)
330 /* Extend existing range?
332 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++) {
333 if (ureg
->constant_range
[i
].last
== index
- 1) {
334 ureg
->constant_range
[i
].last
= index
;
338 if (ureg
->constant_range
[i
].first
== index
+ 1) {
339 ureg
->constant_range
[i
].first
= index
;
343 minconst
= MIN2(minconst
, ureg
->constant_range
[i
].first
);
344 maxconst
= MAX2(maxconst
, ureg
->constant_range
[i
].last
);
349 if (ureg
->nr_constant_ranges
< UREG_MAX_CONSTANT_RANGE
) {
350 i
= ureg
->nr_constant_ranges
++;
351 ureg
->constant_range
[i
].first
= index
;
352 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 predicate register.
423 ureg_DECL_predicate(struct ureg_program
*ureg
)
425 if (ureg
->nr_preds
< UREG_MAX_PRED
) {
426 return ureg_dst_register(TGSI_FILE_PREDICATE
, ureg
->nr_preds
++);
430 return ureg_dst_register(TGSI_FILE_PREDICATE
, 0);
433 /* Allocate a new sampler.
435 struct ureg_src
ureg_DECL_sampler( struct ureg_program
*ureg
,
440 for (i
= 0; i
< ureg
->nr_samplers
; i
++)
441 if (ureg
->sampler
[i
].Index
== nr
)
442 return ureg
->sampler
[i
];
444 if (i
< PIPE_MAX_SAMPLERS
) {
445 ureg
->sampler
[i
] = ureg_src_register( TGSI_FILE_SAMPLER
, nr
);
447 return ureg
->sampler
[i
];
451 return ureg
->sampler
[0];
457 static int match_or_expand_immediate( const float *v
,
467 for (i
= 0; i
< nr
; i
++) {
468 boolean found
= FALSE
;
470 for (j
= 0; j
< *nr2
&& !found
; j
++) {
472 *swizzle
|= j
<< (i
* 2);
482 *swizzle
|= *nr2
<< (i
* 2);
493 struct ureg_src
ureg_DECL_immediate( struct ureg_program
*ureg
,
500 /* Could do a first pass where we examine all existing immediates
504 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
505 if (match_or_expand_immediate( v
,
507 ureg
->immediate
[i
].v
,
508 &ureg
->immediate
[i
].nr
,
513 if (ureg
->nr_immediates
< UREG_MAX_IMMEDIATE
) {
514 i
= ureg
->nr_immediates
++;
515 if (match_or_expand_immediate( v
,
517 ureg
->immediate
[i
].v
,
518 &ureg
->immediate
[i
].nr
,
526 /* Make sure that all referenced elements are from this immediate.
527 * Has the effect of making size-one immediates into scalars.
529 for (j
= nr
; j
< 4; j
++)
530 swizzle
|= (swizzle
& 0x3) << (j
* 2);
532 return ureg_swizzle( ureg_src_register( TGSI_FILE_IMMEDIATE
, i
),
533 (swizzle
>> 0) & 0x3,
534 (swizzle
>> 2) & 0x3,
535 (swizzle
>> 4) & 0x3,
536 (swizzle
>> 6) & 0x3);
541 ureg_emit_src( struct ureg_program
*ureg
,
542 struct ureg_src src
)
545 (src
.Absolute
? 1 : 0) +
546 (src
.Indirect
? 1 : 0));
548 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
551 assert(src
.File
!= TGSI_FILE_NULL
);
552 assert(src
.File
!= TGSI_FILE_OUTPUT
);
553 assert(src
.File
< TGSI_FILE_COUNT
);
556 out
[n
].src
.File
= src
.File
;
557 out
[n
].src
.SwizzleX
= src
.SwizzleX
;
558 out
[n
].src
.SwizzleY
= src
.SwizzleY
;
559 out
[n
].src
.SwizzleZ
= src
.SwizzleZ
;
560 out
[n
].src
.SwizzleW
= src
.SwizzleW
;
561 out
[n
].src
.Index
= src
.Index
;
562 out
[n
].src
.Negate
= src
.Negate
;
566 out
[0].src
.Extended
= 1;
567 out
[0].src
.Negate
= 0;
569 out
[n
].src_ext_mod
.Type
= TGSI_SRC_REGISTER_EXT_TYPE_MOD
;
570 out
[n
].src_ext_mod
.Absolute
= 1;
571 out
[n
].src_ext_mod
.Negate
= src
.Negate
;
576 out
[0].src
.Indirect
= 1;
578 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
579 out
[n
].src
.SwizzleX
= src
.IndirectSwizzle
;
580 out
[n
].src
.SwizzleY
= src
.IndirectSwizzle
;
581 out
[n
].src
.SwizzleZ
= src
.IndirectSwizzle
;
582 out
[n
].src
.SwizzleW
= src
.IndirectSwizzle
;
583 out
[n
].src
.Index
= src
.IndirectIndex
;
592 ureg_emit_dst( struct ureg_program
*ureg
,
593 struct ureg_dst dst
)
596 (dst
.Indirect
? 1 : 0));
598 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
601 assert(dst
.File
!= TGSI_FILE_NULL
);
602 assert(dst
.File
!= TGSI_FILE_CONSTANT
);
603 assert(dst
.File
!= TGSI_FILE_INPUT
);
604 assert(dst
.File
!= TGSI_FILE_SAMPLER
);
605 assert(dst
.File
!= TGSI_FILE_IMMEDIATE
);
606 assert(dst
.File
< TGSI_FILE_COUNT
);
609 out
[n
].dst
.File
= dst
.File
;
610 out
[n
].dst
.WriteMask
= dst
.WriteMask
;
611 out
[n
].dst
.Indirect
= dst
.Indirect
;
612 out
[n
].dst
.Index
= dst
.Index
;
617 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
618 out
[n
].src
.SwizzleX
= dst
.IndirectSwizzle
;
619 out
[n
].src
.SwizzleY
= dst
.IndirectSwizzle
;
620 out
[n
].src
.SwizzleZ
= dst
.IndirectSwizzle
;
621 out
[n
].src
.SwizzleW
= dst
.IndirectSwizzle
;
622 out
[n
].src
.Index
= dst
.IndirectIndex
;
630 static void validate( unsigned opcode
,
635 const struct tgsi_opcode_info
*info
= tgsi_get_opcode_info( opcode
);
638 assert(nr_dst
== info
->num_dst
);
639 assert(nr_src
== info
->num_src
);
644 struct ureg_emit_insn_result
645 ureg_emit_insn(struct ureg_program
*ureg
,
650 unsigned pred_swizzle_x
,
651 unsigned pred_swizzle_y
,
652 unsigned pred_swizzle_z
,
653 unsigned pred_swizzle_w
,
657 union tgsi_any_token
*out
;
658 uint count
= predicate
? 2 : 1;
659 struct ureg_emit_insn_result result
;
661 validate( opcode
, num_dst
, num_src
);
663 out
= get_tokens( ureg
, DOMAIN_INSN
, count
);
665 out
[0].insn
.Type
= TGSI_TOKEN_TYPE_INSTRUCTION
;
666 out
[0].insn
.NrTokens
= 0;
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
;
671 out
[0].insn
.Padding
= 0;
673 result
.insn_token
= ureg
->domain
[DOMAIN_INSN
].count
- count
;
676 out
[0].insn
.Extended
= 1;
677 out
[1].insn_ext_predicate
= tgsi_default_instruction_ext_predicate();
678 out
[1].insn_ext_predicate
.Negate
= pred_negate
;
679 out
[1].insn_ext_predicate
.SwizzleX
= pred_swizzle_x
;
680 out
[1].insn_ext_predicate
.SwizzleY
= pred_swizzle_y
;
681 out
[1].insn_ext_predicate
.SwizzleZ
= pred_swizzle_z
;
682 out
[1].insn_ext_predicate
.SwizzleW
= pred_swizzle_w
;
684 result
.extended_token
= result
.insn_token
+ 1;
686 out
[0].insn
.Extended
= 0;
688 result
.extended_token
= result
.insn_token
;
691 ureg
->nr_instructions
++;
698 ureg_emit_label(struct ureg_program
*ureg
,
699 unsigned extended_token
,
700 unsigned *label_token
)
702 union tgsi_any_token
*out
, *insn
;
707 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
708 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
710 insn
->token
.Extended
= 1;
713 out
[0].insn_ext_label
.Type
= TGSI_INSTRUCTION_EXT_TYPE_LABEL
;
715 *label_token
= ureg
->domain
[DOMAIN_INSN
].count
- 1;
718 /* Will return a number which can be used in a label to point to the
719 * next instruction to be emitted.
722 ureg_get_instruction_number( struct ureg_program
*ureg
)
724 return ureg
->nr_instructions
;
727 /* Patch a given label (expressed as a token number) to point to a
728 * given instruction (expressed as an instruction number).
731 ureg_fixup_label(struct ureg_program
*ureg
,
732 unsigned label_token
,
733 unsigned instruction_number
)
735 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, label_token
);
737 assert(out
->insn_ext_label
.Type
== TGSI_INSTRUCTION_EXT_TYPE_LABEL
);
738 out
->insn_ext_label
.Label
= instruction_number
;
743 ureg_emit_texture(struct ureg_program
*ureg
,
744 unsigned extended_token
,
747 union tgsi_any_token
*out
, *insn
;
749 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
750 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
752 insn
->token
.Extended
= 1;
755 out
[0].insn_ext_texture
.Type
= TGSI_INSTRUCTION_EXT_TYPE_TEXTURE
;
756 out
[0].insn_ext_texture
.Texture
= target
;
761 ureg_fixup_insn_size(struct ureg_program
*ureg
,
764 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, insn
);
766 assert(out
->insn
.Type
== TGSI_TOKEN_TYPE_INSTRUCTION
);
767 out
->insn
.NrTokens
= ureg
->domain
[DOMAIN_INSN
].count
- insn
- 1;
772 ureg_insn(struct ureg_program
*ureg
,
774 const struct ureg_dst
*dst
,
776 const struct ureg_src
*src
,
779 struct ureg_emit_insn_result insn
;
786 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
787 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
789 negate
= dst
[0].PredNegate
;
790 swizzle
[0] = dst
[0].PredSwizzleX
;
791 swizzle
[1] = dst
[0].PredSwizzleY
;
792 swizzle
[2] = dst
[0].PredSwizzleZ
;
793 swizzle
[3] = dst
[0].PredSwizzleW
;
796 insn
= ureg_emit_insn(ureg
,
808 for (i
= 0; i
< nr_dst
; i
++)
809 ureg_emit_dst( ureg
, dst
[i
] );
811 for (i
= 0; i
< nr_src
; i
++)
812 ureg_emit_src( ureg
, src
[i
] );
814 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
818 ureg_tex_insn(struct ureg_program
*ureg
,
820 const struct ureg_dst
*dst
,
823 const struct ureg_src
*src
,
826 struct ureg_emit_insn_result insn
;
833 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
834 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
836 negate
= dst
[0].PredNegate
;
837 swizzle
[0] = dst
[0].PredSwizzleX
;
838 swizzle
[1] = dst
[0].PredSwizzleY
;
839 swizzle
[2] = dst
[0].PredSwizzleZ
;
840 swizzle
[3] = dst
[0].PredSwizzleW
;
843 insn
= ureg_emit_insn(ureg
,
855 ureg_emit_texture( ureg
, insn
.extended_token
, target
);
857 for (i
= 0; i
< nr_dst
; i
++)
858 ureg_emit_dst( ureg
, dst
[i
] );
860 for (i
= 0; i
< nr_src
; i
++)
861 ureg_emit_src( ureg
, src
[i
] );
863 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
868 ureg_label_insn(struct ureg_program
*ureg
,
870 const struct ureg_src
*src
,
872 unsigned *label_token
)
874 struct ureg_emit_insn_result insn
;
877 insn
= ureg_emit_insn(ureg
,
889 ureg_emit_label( ureg
, insn
.extended_token
, label_token
);
891 for (i
= 0; i
< nr_src
; i
++)
892 ureg_emit_src( ureg
, src
[i
] );
894 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
899 static void emit_decl( struct ureg_program
*ureg
,
902 unsigned semantic_name
,
903 unsigned semantic_index
,
906 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 3 );
909 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
910 out
[0].decl
.NrTokens
= 3;
911 out
[0].decl
.File
= file
;
912 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
; /* FIXME! */
913 out
[0].decl
.Interpolate
= interp
;
914 out
[0].decl
.Semantic
= 1;
917 out
[1].decl_range
.First
=
918 out
[1].decl_range
.Last
= index
;
921 out
[2].decl_semantic
.SemanticName
= semantic_name
;
922 out
[2].decl_semantic
.SemanticIndex
= semantic_index
;
927 static void emit_decl_range( struct ureg_program
*ureg
,
932 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
935 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
936 out
[0].decl
.NrTokens
= 2;
937 out
[0].decl
.File
= file
;
938 out
[0].decl
.UsageMask
= 0xf;
939 out
[0].decl
.Interpolate
= TGSI_INTERPOLATE_CONSTANT
;
940 out
[0].decl
.Semantic
= 0;
943 out
[1].decl_range
.First
= first
;
944 out
[1].decl_range
.Last
= first
+ count
- 1;
947 static void emit_immediate( struct ureg_program
*ureg
,
950 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 5 );
953 out
[0].imm
.Type
= TGSI_TOKEN_TYPE_IMMEDIATE
;
954 out
[0].imm
.NrTokens
= 5;
955 out
[0].imm
.DataType
= TGSI_IMM_FLOAT32
;
956 out
[0].imm
.Padding
= 0;
957 out
[0].imm
.Extended
= 0;
959 out
[1].imm_data
.Float
= v
[0];
960 out
[2].imm_data
.Float
= v
[1];
961 out
[3].imm_data
.Float
= v
[2];
962 out
[4].imm_data
.Float
= v
[3];
968 static void emit_decls( struct ureg_program
*ureg
)
972 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
) {
973 for (i
= 0; i
< UREG_MAX_INPUT
; i
++) {
974 if (ureg
->vs_inputs
[i
/32] & (1 << (i
%32))) {
975 emit_decl_range( ureg
, TGSI_FILE_INPUT
, i
, 1 );
980 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
984 ureg
->fs_input
[i
].semantic_name
,
985 ureg
->fs_input
[i
].semantic_index
,
986 ureg
->fs_input
[i
].interp
);
990 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
994 ureg
->output
[i
].semantic_name
,
995 ureg
->output
[i
].semantic_index
,
996 TGSI_INTERPOLATE_CONSTANT
);
999 for (i
= 0; i
< ureg
->nr_samplers
; i
++) {
1000 emit_decl_range( ureg
,
1002 ureg
->sampler
[i
].Index
, 1 );
1005 if (ureg
->nr_constant_ranges
) {
1006 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++)
1007 emit_decl_range( ureg
,
1009 ureg
->constant_range
[i
].first
,
1010 (ureg
->constant_range
[i
].last
+ 1 -
1011 ureg
->constant_range
[i
].first
) );
1014 if (ureg
->nr_temps
) {
1015 emit_decl_range( ureg
,
1016 TGSI_FILE_TEMPORARY
,
1017 0, ureg
->nr_temps
);
1020 if (ureg
->nr_addrs
) {
1021 emit_decl_range( ureg
,
1023 0, ureg
->nr_addrs
);
1026 if (ureg
->nr_preds
) {
1027 emit_decl_range(ureg
,
1028 TGSI_FILE_PREDICATE
,
1033 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
1034 emit_immediate( ureg
,
1035 ureg
->immediate
[i
].v
);
1039 /* Append the instruction tokens onto the declarations to build a
1040 * contiguous stream suitable to send to the driver.
1042 static void copy_instructions( struct ureg_program
*ureg
)
1044 unsigned nr_tokens
= ureg
->domain
[DOMAIN_INSN
].count
;
1045 union tgsi_any_token
*out
= get_tokens( ureg
,
1050 ureg
->domain
[DOMAIN_INSN
].tokens
,
1051 nr_tokens
* sizeof out
[0] );
1056 fixup_header_size(struct ureg_program
*ureg
)
1058 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_DECL
, 1 );
1060 out
->header
.BodySize
= ureg
->domain
[DOMAIN_DECL
].count
- 3;
1065 emit_header( struct ureg_program
*ureg
)
1067 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 3 );
1069 out
[0].version
.MajorVersion
= 1;
1070 out
[0].version
.MinorVersion
= 1;
1071 out
[0].version
.Padding
= 0;
1073 out
[1].header
.HeaderSize
= 2;
1074 out
[1].header
.BodySize
= 0;
1076 out
[2].processor
.Processor
= ureg
->processor
;
1077 out
[2].processor
.Padding
= 0;
1081 const struct tgsi_token
*ureg_finalize( struct ureg_program
*ureg
)
1083 const struct tgsi_token
*tokens
;
1085 emit_header( ureg
);
1087 copy_instructions( ureg
);
1088 fixup_header_size( ureg
);
1090 if (ureg
->domain
[0].tokens
== error_tokens
||
1091 ureg
->domain
[1].tokens
== error_tokens
) {
1092 debug_printf("%s: error in generated shader\n", __FUNCTION__
);
1097 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1100 debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__
,
1101 ureg
->domain
[DOMAIN_DECL
].count
);
1102 tgsi_dump( tokens
, 0 );
1106 if (tokens
&& !tgsi_sanity_check(tokens
)) {
1107 debug_printf("tgsi_ureg.c, sanity check failed on generated tokens:\n");
1108 tgsi_dump(tokens
, 0);
1118 void *ureg_create_shader( struct ureg_program
*ureg
,
1119 struct pipe_context
*pipe
)
1121 struct pipe_shader_state state
;
1123 state
.tokens
= ureg_finalize(ureg
);
1127 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
)
1128 return pipe
->create_vs_state( pipe
, &state
);
1130 return pipe
->create_fs_state( pipe
, &state
);
1134 const struct tgsi_token
*ureg_get_tokens( struct ureg_program
*ureg
,
1135 unsigned *nr_tokens
)
1137 const struct tgsi_token
*tokens
;
1139 ureg_finalize(ureg
);
1141 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1144 *nr_tokens
= ureg
->domain
[DOMAIN_DECL
].size
;
1146 ureg
->domain
[DOMAIN_DECL
].tokens
= 0;
1147 ureg
->domain
[DOMAIN_DECL
].size
= 0;
1148 ureg
->domain
[DOMAIN_DECL
].order
= 0;
1149 ureg
->domain
[DOMAIN_DECL
].count
= 0;
1155 struct ureg_program
*ureg_create( unsigned processor
)
1157 struct ureg_program
*ureg
= CALLOC_STRUCT( ureg_program
);
1161 ureg
->processor
= processor
;
1166 void ureg_destroy( struct ureg_program
*ureg
)
1170 for (i
= 0; i
< Elements(ureg
->domain
); i
++) {
1171 if (ureg
->domain
[i
].tokens
&&
1172 ureg
->domain
[i
].tokens
!= error_tokens
)
1173 FREE(ureg
->domain
[i
].tokens
);