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];
94 } gs_input
[UREG_MAX_INPUT
];
95 unsigned nr_gs_inputs
;
98 unsigned semantic_name
;
99 unsigned semantic_index
;
100 } output
[UREG_MAX_OUTPUT
];
106 } immediate
[UREG_MAX_IMMEDIATE
];
107 unsigned nr_immediates
;
109 struct ureg_src sampler
[PIPE_MAX_SAMPLERS
];
110 unsigned nr_samplers
;
112 unsigned temps_active
[UREG_MAX_TEMP
/ 32];
118 } constant_range
[UREG_MAX_CONSTANT_RANGE
];
119 unsigned nr_constant_ranges
;
124 unsigned nr_instructions
;
126 struct ureg_tokens domain
[2];
129 static union tgsi_any_token error_tokens
[32];
131 static void tokens_error( struct ureg_tokens
*tokens
)
133 if (tokens
->tokens
&& tokens
->tokens
!= error_tokens
)
134 FREE(tokens
->tokens
);
136 tokens
->tokens
= error_tokens
;
137 tokens
->size
= Elements(error_tokens
);
142 static void tokens_expand( struct ureg_tokens
*tokens
,
145 unsigned old_size
= tokens
->size
* sizeof(unsigned);
147 if (tokens
->tokens
== error_tokens
) {
151 while (tokens
->count
+ count
> tokens
->size
) {
152 tokens
->size
= (1 << ++tokens
->order
);
155 tokens
->tokens
= REALLOC(tokens
->tokens
,
157 tokens
->size
* sizeof(unsigned));
158 if (tokens
->tokens
== NULL
) {
159 tokens_error(tokens
);
163 static void set_bad( struct ureg_program
*ureg
)
165 tokens_error(&ureg
->domain
[0]);
170 static union tgsi_any_token
*get_tokens( struct ureg_program
*ureg
,
174 struct ureg_tokens
*tokens
= &ureg
->domain
[domain
];
175 union tgsi_any_token
*result
;
177 if (tokens
->count
+ count
> tokens
->size
)
178 tokens_expand(tokens
, count
);
180 result
= &tokens
->tokens
[tokens
->count
];
181 tokens
->count
+= count
;
186 static union tgsi_any_token
*retrieve_token( struct ureg_program
*ureg
,
190 if (ureg
->domain
[domain
].tokens
== error_tokens
)
191 return &error_tokens
[0];
193 return &ureg
->domain
[domain
].tokens
[nr
];
198 static INLINE
struct ureg_dst
199 ureg_dst_register( unsigned file
,
205 dst
.WriteMask
= TGSI_WRITEMASK_XYZW
;
207 dst
.IndirectIndex
= 0;
208 dst
.IndirectSwizzle
= 0;
212 dst
.PredSwizzleX
= TGSI_SWIZZLE_X
;
213 dst
.PredSwizzleY
= TGSI_SWIZZLE_Y
;
214 dst
.PredSwizzleZ
= TGSI_SWIZZLE_Z
;
215 dst
.PredSwizzleW
= TGSI_SWIZZLE_W
;
221 static INLINE
struct ureg_src
222 ureg_src_register( unsigned file
,
228 src
.SwizzleX
= TGSI_SWIZZLE_X
;
229 src
.SwizzleY
= TGSI_SWIZZLE_Y
;
230 src
.SwizzleZ
= TGSI_SWIZZLE_Z
;
231 src
.SwizzleW
= TGSI_SWIZZLE_W
;
234 src
.IndirectIndex
= 0;
235 src
.IndirectSwizzle
= 0;
247 ureg_DECL_fs_input( struct ureg_program
*ureg
,
250 unsigned interp_mode
)
254 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
255 if (ureg
->fs_input
[i
].semantic_name
== name
&&
256 ureg
->fs_input
[i
].semantic_index
== index
)
260 if (ureg
->nr_fs_inputs
< UREG_MAX_INPUT
) {
261 ureg
->fs_input
[i
].semantic_name
= name
;
262 ureg
->fs_input
[i
].semantic_index
= index
;
263 ureg
->fs_input
[i
].interp
= interp_mode
;
264 ureg
->nr_fs_inputs
++;
271 return ureg_src_register( TGSI_FILE_INPUT
, i
);
276 ureg_DECL_vs_input( struct ureg_program
*ureg
,
279 assert(ureg
->processor
== TGSI_PROCESSOR_VERTEX
);
281 ureg
->vs_inputs
[index
/32] |= 1 << (index
% 32);
282 return ureg_src_register( TGSI_FILE_INPUT
, index
);
287 ureg_DECL_gs_input(struct ureg_program
*ureg
,
290 if (ureg
->nr_gs_inputs
< UREG_MAX_INPUT
) {
291 ureg
->gs_input
[ureg
->nr_gs_inputs
].index
= index
;
292 ureg
->nr_gs_inputs
++;
297 /* XXX: Add suport for true 2D input registers. */
298 return ureg_src_register(TGSI_FILE_INPUT
, index
);
303 ureg_DECL_output( struct ureg_program
*ureg
,
309 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
310 if (ureg
->output
[i
].semantic_name
== name
&&
311 ureg
->output
[i
].semantic_index
== index
)
315 if (ureg
->nr_outputs
< UREG_MAX_OUTPUT
) {
316 ureg
->output
[i
].semantic_name
= name
;
317 ureg
->output
[i
].semantic_index
= index
;
325 return ureg_dst_register( TGSI_FILE_OUTPUT
, i
);
329 /* Returns a new constant register. Keep track of which have been
330 * referred to so that we can emit decls later.
332 * There is nothing in this code to bind this constant to any tracked
333 * value or manage any constant_buffer contents -- that's the
334 * resposibility of the calling code.
336 struct ureg_src
ureg_DECL_constant(struct ureg_program
*ureg
,
339 unsigned minconst
= index
, maxconst
= index
;
342 /* Inside existing range?
344 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++) {
345 if (ureg
->constant_range
[i
].first
<= index
&&
346 ureg
->constant_range
[i
].last
>= index
)
350 /* Extend existing range?
352 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++) {
353 if (ureg
->constant_range
[i
].last
== index
- 1) {
354 ureg
->constant_range
[i
].last
= index
;
358 if (ureg
->constant_range
[i
].first
== index
+ 1) {
359 ureg
->constant_range
[i
].first
= index
;
363 minconst
= MIN2(minconst
, ureg
->constant_range
[i
].first
);
364 maxconst
= MAX2(maxconst
, ureg
->constant_range
[i
].last
);
369 if (ureg
->nr_constant_ranges
< UREG_MAX_CONSTANT_RANGE
) {
370 i
= ureg
->nr_constant_ranges
++;
371 ureg
->constant_range
[i
].first
= index
;
372 ureg
->constant_range
[i
].last
= index
;
376 /* Collapse all ranges down to one:
379 ureg
->constant_range
[0].first
= minconst
;
380 ureg
->constant_range
[0].last
= maxconst
;
381 ureg
->nr_constant_ranges
= 1;
384 assert(i
< ureg
->nr_constant_ranges
);
385 assert(ureg
->constant_range
[i
].first
<= index
);
386 assert(ureg
->constant_range
[i
].last
>= index
);
387 return ureg_src_register( TGSI_FILE_CONSTANT
, index
);
391 /* Allocate a new temporary. Temporaries greater than UREG_MAX_TEMP
392 * are legal, but will not be released.
394 struct ureg_dst
ureg_DECL_temporary( struct ureg_program
*ureg
)
398 for (i
= 0; i
< UREG_MAX_TEMP
; i
+= 32) {
399 int bit
= ffs(~ureg
->temps_active
[i
/32]);
406 /* No reusable temps, so allocate a new one:
408 i
= ureg
->nr_temps
++;
411 if (i
< UREG_MAX_TEMP
)
412 ureg
->temps_active
[i
/32] |= 1 << (i
% 32);
414 if (i
>= ureg
->nr_temps
)
415 ureg
->nr_temps
= i
+ 1;
417 return ureg_dst_register( TGSI_FILE_TEMPORARY
, i
);
421 void ureg_release_temporary( struct ureg_program
*ureg
,
422 struct ureg_dst tmp
)
424 if(tmp
.File
== TGSI_FILE_TEMPORARY
)
425 if (tmp
.Index
< UREG_MAX_TEMP
)
426 ureg
->temps_active
[tmp
.Index
/32] &= ~(1 << (tmp
.Index
% 32));
430 /* Allocate a new address register.
432 struct ureg_dst
ureg_DECL_address( struct ureg_program
*ureg
)
434 if (ureg
->nr_addrs
< UREG_MAX_ADDR
)
435 return ureg_dst_register( TGSI_FILE_ADDRESS
, ureg
->nr_addrs
++ );
438 return ureg_dst_register( TGSI_FILE_ADDRESS
, 0 );
441 /* Allocate a new loop register.
444 ureg_DECL_loop(struct ureg_program
*ureg
)
446 if (ureg
->nr_loops
< UREG_MAX_LOOP
) {
447 return ureg_dst_register(TGSI_FILE_LOOP
, ureg
->nr_loops
++);
451 return ureg_dst_register(TGSI_FILE_LOOP
, 0);
454 /* Allocate a new predicate register.
457 ureg_DECL_predicate(struct ureg_program
*ureg
)
459 if (ureg
->nr_preds
< UREG_MAX_PRED
) {
460 return ureg_dst_register(TGSI_FILE_PREDICATE
, ureg
->nr_preds
++);
464 return ureg_dst_register(TGSI_FILE_PREDICATE
, 0);
467 /* Allocate a new sampler.
469 struct ureg_src
ureg_DECL_sampler( struct ureg_program
*ureg
,
474 for (i
= 0; i
< ureg
->nr_samplers
; i
++)
475 if (ureg
->sampler
[i
].Index
== nr
)
476 return ureg
->sampler
[i
];
478 if (i
< PIPE_MAX_SAMPLERS
) {
479 ureg
->sampler
[i
] = ureg_src_register( TGSI_FILE_SAMPLER
, nr
);
481 return ureg
->sampler
[i
];
485 return ureg
->sampler
[0];
491 static int match_or_expand_immediate( const float *v
,
501 for (i
= 0; i
< nr
; i
++) {
502 boolean found
= FALSE
;
504 for (j
= 0; j
< *nr2
&& !found
; j
++) {
506 *swizzle
|= j
<< (i
* 2);
516 *swizzle
|= *nr2
<< (i
* 2);
527 struct ureg_src
ureg_DECL_immediate( struct ureg_program
*ureg
,
534 /* Could do a first pass where we examine all existing immediates
538 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
539 if (match_or_expand_immediate( v
,
541 ureg
->immediate
[i
].v
,
542 &ureg
->immediate
[i
].nr
,
547 if (ureg
->nr_immediates
< UREG_MAX_IMMEDIATE
) {
548 i
= ureg
->nr_immediates
++;
549 if (match_or_expand_immediate( v
,
551 ureg
->immediate
[i
].v
,
552 &ureg
->immediate
[i
].nr
,
560 /* Make sure that all referenced elements are from this immediate.
561 * Has the effect of making size-one immediates into scalars.
563 for (j
= nr
; j
< 4; j
++)
564 swizzle
|= (swizzle
& 0x3) << (j
* 2);
566 return ureg_swizzle( ureg_src_register( TGSI_FILE_IMMEDIATE
, i
),
567 (swizzle
>> 0) & 0x3,
568 (swizzle
>> 2) & 0x3,
569 (swizzle
>> 4) & 0x3,
570 (swizzle
>> 6) & 0x3);
575 ureg_emit_src( struct ureg_program
*ureg
,
576 struct ureg_src src
)
578 unsigned size
= 1 + (src
.Indirect
? 1 : 0);
580 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
583 assert(src
.File
!= TGSI_FILE_NULL
);
584 assert(src
.File
!= TGSI_FILE_OUTPUT
);
585 assert(src
.File
< TGSI_FILE_COUNT
);
588 out
[n
].src
.File
= src
.File
;
589 out
[n
].src
.SwizzleX
= src
.SwizzleX
;
590 out
[n
].src
.SwizzleY
= src
.SwizzleY
;
591 out
[n
].src
.SwizzleZ
= src
.SwizzleZ
;
592 out
[n
].src
.SwizzleW
= src
.SwizzleW
;
593 out
[n
].src
.Index
= src
.Index
;
594 out
[n
].src
.Negate
= src
.Negate
;
595 out
[0].src
.Absolute
= src
.Absolute
;
599 out
[0].src
.Indirect
= 1;
601 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
602 out
[n
].src
.SwizzleX
= src
.IndirectSwizzle
;
603 out
[n
].src
.SwizzleY
= src
.IndirectSwizzle
;
604 out
[n
].src
.SwizzleZ
= src
.IndirectSwizzle
;
605 out
[n
].src
.SwizzleW
= src
.IndirectSwizzle
;
606 out
[n
].src
.Index
= src
.IndirectIndex
;
615 ureg_emit_dst( struct ureg_program
*ureg
,
616 struct ureg_dst dst
)
619 (dst
.Indirect
? 1 : 0));
621 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
624 assert(dst
.File
!= TGSI_FILE_NULL
);
625 assert(dst
.File
!= TGSI_FILE_CONSTANT
);
626 assert(dst
.File
!= TGSI_FILE_INPUT
);
627 assert(dst
.File
!= TGSI_FILE_SAMPLER
);
628 assert(dst
.File
!= TGSI_FILE_IMMEDIATE
);
629 assert(dst
.File
< TGSI_FILE_COUNT
);
632 out
[n
].dst
.File
= dst
.File
;
633 out
[n
].dst
.WriteMask
= dst
.WriteMask
;
634 out
[n
].dst
.Indirect
= dst
.Indirect
;
635 out
[n
].dst
.Index
= dst
.Index
;
640 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
641 out
[n
].src
.SwizzleX
= dst
.IndirectSwizzle
;
642 out
[n
].src
.SwizzleY
= dst
.IndirectSwizzle
;
643 out
[n
].src
.SwizzleZ
= dst
.IndirectSwizzle
;
644 out
[n
].src
.SwizzleW
= dst
.IndirectSwizzle
;
645 out
[n
].src
.Index
= dst
.IndirectIndex
;
653 static void validate( unsigned opcode
,
658 const struct tgsi_opcode_info
*info
= tgsi_get_opcode_info( opcode
);
661 assert(nr_dst
== info
->num_dst
);
662 assert(nr_src
== info
->num_src
);
667 struct ureg_emit_insn_result
668 ureg_emit_insn(struct ureg_program
*ureg
,
673 unsigned pred_swizzle_x
,
674 unsigned pred_swizzle_y
,
675 unsigned pred_swizzle_z
,
676 unsigned pred_swizzle_w
,
680 union tgsi_any_token
*out
;
681 uint count
= predicate
? 2 : 1;
682 struct ureg_emit_insn_result result
;
684 validate( opcode
, num_dst
, num_src
);
686 out
= get_tokens( ureg
, DOMAIN_INSN
, count
);
687 out
[0].insn
= tgsi_default_instruction();
688 out
[0].insn
.Opcode
= opcode
;
689 out
[0].insn
.Saturate
= saturate
;
690 out
[0].insn
.NumDstRegs
= num_dst
;
691 out
[0].insn
.NumSrcRegs
= num_src
;
693 result
.insn_token
= ureg
->domain
[DOMAIN_INSN
].count
- count
;
694 result
.extended_token
= result
.insn_token
;
697 out
[0].insn
.Predicate
= 1;
698 out
[1].insn_predicate
= tgsi_default_instruction_predicate();
699 out
[1].insn_predicate
.Negate
= pred_negate
;
700 out
[1].insn_predicate
.SwizzleX
= pred_swizzle_x
;
701 out
[1].insn_predicate
.SwizzleY
= pred_swizzle_y
;
702 out
[1].insn_predicate
.SwizzleZ
= pred_swizzle_z
;
703 out
[1].insn_predicate
.SwizzleW
= pred_swizzle_w
;
706 ureg
->nr_instructions
++;
713 ureg_emit_label(struct ureg_program
*ureg
,
714 unsigned extended_token
,
715 unsigned *label_token
)
717 union tgsi_any_token
*out
, *insn
;
722 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
725 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
726 insn
->insn
.Label
= 1;
728 *label_token
= ureg
->domain
[DOMAIN_INSN
].count
- 1;
731 /* Will return a number which can be used in a label to point to the
732 * next instruction to be emitted.
735 ureg_get_instruction_number( struct ureg_program
*ureg
)
737 return ureg
->nr_instructions
;
740 /* Patch a given label (expressed as a token number) to point to a
741 * given instruction (expressed as an instruction number).
744 ureg_fixup_label(struct ureg_program
*ureg
,
745 unsigned label_token
,
746 unsigned instruction_number
)
748 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, label_token
);
750 out
->insn_label
.Label
= instruction_number
;
755 ureg_emit_texture(struct ureg_program
*ureg
,
756 unsigned extended_token
,
759 union tgsi_any_token
*out
, *insn
;
761 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
762 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
764 insn
->insn
.Texture
= 1;
767 out
[0].insn_texture
.Texture
= target
;
772 ureg_fixup_insn_size(struct ureg_program
*ureg
,
775 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, insn
);
777 assert(out
->insn
.Type
== TGSI_TOKEN_TYPE_INSTRUCTION
);
778 out
->insn
.NrTokens
= ureg
->domain
[DOMAIN_INSN
].count
- insn
- 1;
783 ureg_insn(struct ureg_program
*ureg
,
785 const struct ureg_dst
*dst
,
787 const struct ureg_src
*src
,
790 struct ureg_emit_insn_result insn
;
797 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
798 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
800 negate
= dst
[0].PredNegate
;
801 swizzle
[0] = dst
[0].PredSwizzleX
;
802 swizzle
[1] = dst
[0].PredSwizzleY
;
803 swizzle
[2] = dst
[0].PredSwizzleZ
;
804 swizzle
[3] = dst
[0].PredSwizzleW
;
807 insn
= ureg_emit_insn(ureg
,
819 for (i
= 0; i
< nr_dst
; i
++)
820 ureg_emit_dst( ureg
, dst
[i
] );
822 for (i
= 0; i
< nr_src
; i
++)
823 ureg_emit_src( ureg
, src
[i
] );
825 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
829 ureg_tex_insn(struct ureg_program
*ureg
,
831 const struct ureg_dst
*dst
,
834 const struct ureg_src
*src
,
837 struct ureg_emit_insn_result insn
;
844 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
845 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
847 negate
= dst
[0].PredNegate
;
848 swizzle
[0] = dst
[0].PredSwizzleX
;
849 swizzle
[1] = dst
[0].PredSwizzleY
;
850 swizzle
[2] = dst
[0].PredSwizzleZ
;
851 swizzle
[3] = dst
[0].PredSwizzleW
;
854 insn
= ureg_emit_insn(ureg
,
866 ureg_emit_texture( ureg
, insn
.extended_token
, target
);
868 for (i
= 0; i
< nr_dst
; i
++)
869 ureg_emit_dst( ureg
, dst
[i
] );
871 for (i
= 0; i
< nr_src
; i
++)
872 ureg_emit_src( ureg
, src
[i
] );
874 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
879 ureg_label_insn(struct ureg_program
*ureg
,
881 const struct ureg_src
*src
,
883 unsigned *label_token
)
885 struct ureg_emit_insn_result insn
;
888 insn
= ureg_emit_insn(ureg
,
900 ureg_emit_label( ureg
, insn
.extended_token
, label_token
);
902 for (i
= 0; i
< nr_src
; i
++)
903 ureg_emit_src( ureg
, src
[i
] );
905 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
910 static void emit_decl( struct ureg_program
*ureg
,
913 unsigned semantic_name
,
914 unsigned semantic_index
,
917 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 3 );
920 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
921 out
[0].decl
.NrTokens
= 3;
922 out
[0].decl
.File
= file
;
923 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
; /* FIXME! */
924 out
[0].decl
.Interpolate
= interp
;
925 out
[0].decl
.Semantic
= 1;
928 out
[1].decl_range
.First
=
929 out
[1].decl_range
.Last
= index
;
932 out
[2].decl_semantic
.Name
= semantic_name
;
933 out
[2].decl_semantic
.Index
= semantic_index
;
938 static void emit_decl_range( struct ureg_program
*ureg
,
943 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
946 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
947 out
[0].decl
.NrTokens
= 2;
948 out
[0].decl
.File
= file
;
949 out
[0].decl
.UsageMask
= 0xf;
950 out
[0].decl
.Interpolate
= TGSI_INTERPOLATE_CONSTANT
;
951 out
[0].decl
.Semantic
= 0;
954 out
[1].decl_range
.First
= first
;
955 out
[1].decl_range
.Last
= first
+ count
- 1;
958 static void emit_immediate( struct ureg_program
*ureg
,
961 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 5 );
964 out
[0].imm
.Type
= TGSI_TOKEN_TYPE_IMMEDIATE
;
965 out
[0].imm
.NrTokens
= 5;
966 out
[0].imm
.DataType
= TGSI_IMM_FLOAT32
;
967 out
[0].imm
.Padding
= 0;
969 out
[1].imm_data
.Float
= v
[0];
970 out
[2].imm_data
.Float
= v
[1];
971 out
[3].imm_data
.Float
= v
[2];
972 out
[4].imm_data
.Float
= v
[3];
978 static void emit_decls( struct ureg_program
*ureg
)
982 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
) {
983 for (i
= 0; i
< UREG_MAX_INPUT
; i
++) {
984 if (ureg
->vs_inputs
[i
/32] & (1 << (i
%32))) {
985 emit_decl_range( ureg
, TGSI_FILE_INPUT
, i
, 1 );
988 } else if (ureg
->processor
== TGSI_PROCESSOR_FRAGMENT
) {
989 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
993 ureg
->fs_input
[i
].semantic_name
,
994 ureg
->fs_input
[i
].semantic_index
,
995 ureg
->fs_input
[i
].interp
);
998 for (i
= 0; i
< ureg
->nr_gs_inputs
; i
++) {
999 emit_decl_range(ureg
,
1001 ureg
->gs_input
[i
].index
,
1006 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
1010 ureg
->output
[i
].semantic_name
,
1011 ureg
->output
[i
].semantic_index
,
1012 TGSI_INTERPOLATE_CONSTANT
);
1015 for (i
= 0; i
< ureg
->nr_samplers
; i
++) {
1016 emit_decl_range( ureg
,
1018 ureg
->sampler
[i
].Index
, 1 );
1021 if (ureg
->nr_constant_ranges
) {
1022 for (i
= 0; i
< ureg
->nr_constant_ranges
; i
++)
1023 emit_decl_range( ureg
,
1025 ureg
->constant_range
[i
].first
,
1026 (ureg
->constant_range
[i
].last
+ 1 -
1027 ureg
->constant_range
[i
].first
) );
1030 if (ureg
->nr_temps
) {
1031 emit_decl_range( ureg
,
1032 TGSI_FILE_TEMPORARY
,
1033 0, ureg
->nr_temps
);
1036 if (ureg
->nr_addrs
) {
1037 emit_decl_range( ureg
,
1039 0, ureg
->nr_addrs
);
1042 if (ureg
->nr_loops
) {
1043 emit_decl_range(ureg
,
1049 if (ureg
->nr_preds
) {
1050 emit_decl_range(ureg
,
1051 TGSI_FILE_PREDICATE
,
1056 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
1057 emit_immediate( ureg
,
1058 ureg
->immediate
[i
].v
);
1062 /* Append the instruction tokens onto the declarations to build a
1063 * contiguous stream suitable to send to the driver.
1065 static void copy_instructions( struct ureg_program
*ureg
)
1067 unsigned nr_tokens
= ureg
->domain
[DOMAIN_INSN
].count
;
1068 union tgsi_any_token
*out
= get_tokens( ureg
,
1073 ureg
->domain
[DOMAIN_INSN
].tokens
,
1074 nr_tokens
* sizeof out
[0] );
1079 fixup_header_size(struct ureg_program
*ureg
)
1081 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_DECL
, 0 );
1083 out
->header
.BodySize
= ureg
->domain
[DOMAIN_DECL
].count
- 2;
1088 emit_header( struct ureg_program
*ureg
)
1090 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
1092 out
[0].header
.HeaderSize
= 2;
1093 out
[0].header
.BodySize
= 0;
1095 out
[1].processor
.Processor
= ureg
->processor
;
1096 out
[1].processor
.Padding
= 0;
1100 const struct tgsi_token
*ureg_finalize( struct ureg_program
*ureg
)
1102 const struct tgsi_token
*tokens
;
1104 emit_header( ureg
);
1106 copy_instructions( ureg
);
1107 fixup_header_size( ureg
);
1109 if (ureg
->domain
[0].tokens
== error_tokens
||
1110 ureg
->domain
[1].tokens
== error_tokens
) {
1111 debug_printf("%s: error in generated shader\n", __FUNCTION__
);
1116 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1119 debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__
,
1120 ureg
->domain
[DOMAIN_DECL
].count
);
1121 tgsi_dump( tokens
, 0 );
1125 if (tokens
&& !tgsi_sanity_check(tokens
)) {
1126 debug_printf("tgsi_ureg.c, sanity check failed on generated tokens:\n");
1127 tgsi_dump(tokens
, 0);
1137 void *ureg_create_shader( struct ureg_program
*ureg
,
1138 struct pipe_context
*pipe
)
1140 struct pipe_shader_state state
;
1142 state
.tokens
= ureg_finalize(ureg
);
1146 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
)
1147 return pipe
->create_vs_state( pipe
, &state
);
1149 return pipe
->create_fs_state( pipe
, &state
);
1153 const struct tgsi_token
*ureg_get_tokens( struct ureg_program
*ureg
,
1154 unsigned *nr_tokens
)
1156 const struct tgsi_token
*tokens
;
1158 ureg_finalize(ureg
);
1160 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1163 *nr_tokens
= ureg
->domain
[DOMAIN_DECL
].size
;
1165 ureg
->domain
[DOMAIN_DECL
].tokens
= 0;
1166 ureg
->domain
[DOMAIN_DECL
].size
= 0;
1167 ureg
->domain
[DOMAIN_DECL
].order
= 0;
1168 ureg
->domain
[DOMAIN_DECL
].count
= 0;
1174 struct ureg_program
*ureg_create( unsigned processor
)
1176 struct ureg_program
*ureg
= CALLOC_STRUCT( ureg_program
);
1180 ureg
->processor
= processor
;
1185 void ureg_destroy( struct ureg_program
*ureg
)
1189 for (i
= 0; i
< Elements(ureg
->domain
); i
++) {
1190 if (ureg
->domain
[i
].tokens
&&
1191 ureg
->domain
[i
].tokens
!= error_tokens
)
1192 FREE(ureg
->domain
[i
].tokens
);