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_debug.h"
37 #include "util/u_memory.h"
38 #include "util/u_math.h"
40 union tgsi_any_token
{
41 struct tgsi_header header
;
42 struct tgsi_processor processor
;
43 struct tgsi_token token
;
44 struct tgsi_property prop
;
45 struct tgsi_property_data prop_data
;
46 struct tgsi_declaration decl
;
47 struct tgsi_declaration_range decl_range
;
48 struct tgsi_declaration_dimension decl_dim
;
49 struct tgsi_declaration_semantic decl_semantic
;
50 struct tgsi_immediate imm
;
51 union tgsi_immediate_data imm_data
;
52 struct tgsi_instruction insn
;
53 struct tgsi_instruction_predicate insn_predicate
;
54 struct tgsi_instruction_label insn_label
;
55 struct tgsi_instruction_texture insn_texture
;
56 struct tgsi_src_register src
;
57 struct tgsi_dimension dim
;
58 struct tgsi_dst_register dst
;
64 union tgsi_any_token
*tokens
;
70 #define UREG_MAX_INPUT PIPE_MAX_ATTRIBS
71 #define UREG_MAX_SYSTEM_VALUE PIPE_MAX_ATTRIBS
72 #define UREG_MAX_OUTPUT PIPE_MAX_ATTRIBS
73 #define UREG_MAX_CONSTANT_RANGE 32
74 #define UREG_MAX_IMMEDIATE 32
75 #define UREG_MAX_TEMP 256
76 #define UREG_MAX_ADDR 2
77 #define UREG_MAX_PRED 1
83 } constant_range
[UREG_MAX_CONSTANT_RANGE
];
84 unsigned nr_constant_ranges
;
93 struct pipe_context
*pipe
;
96 unsigned semantic_name
;
97 unsigned semantic_index
;
99 unsigned cylindrical_wrap
;
100 } fs_input
[UREG_MAX_INPUT
];
101 unsigned nr_fs_inputs
;
103 unsigned vs_inputs
[UREG_MAX_INPUT
/32];
107 unsigned semantic_name
;
108 unsigned semantic_index
;
109 } gs_input
[UREG_MAX_INPUT
];
110 unsigned nr_gs_inputs
;
114 unsigned semantic_name
;
115 unsigned semantic_index
;
116 } system_value
[UREG_MAX_SYSTEM_VALUE
];
117 unsigned nr_system_values
;
120 unsigned semantic_name
;
121 unsigned semantic_index
;
122 } output
[UREG_MAX_OUTPUT
];
133 } immediate
[UREG_MAX_IMMEDIATE
];
134 unsigned nr_immediates
;
136 struct ureg_src sampler
[PIPE_MAX_SAMPLERS
];
137 unsigned nr_samplers
;
139 unsigned temps_active
[UREG_MAX_TEMP
/ 32];
142 struct const_decl const_decls
;
143 struct const_decl const_decls2D
[PIPE_MAX_CONSTANT_BUFFERS
];
145 unsigned property_gs_input_prim
;
146 unsigned property_gs_output_prim
;
147 unsigned property_gs_max_vertices
;
148 unsigned char property_fs_coord_origin
; /* = TGSI_FS_COORD_ORIGIN_* */
149 unsigned char property_fs_coord_pixel_center
; /* = TGSI_FS_COORD_PIXEL_CENTER_* */
153 unsigned nr_instructions
;
155 struct ureg_tokens domain
[2];
158 static union tgsi_any_token error_tokens
[32];
160 static void tokens_error( struct ureg_tokens
*tokens
)
162 if (tokens
->tokens
&& tokens
->tokens
!= error_tokens
)
163 FREE(tokens
->tokens
);
165 tokens
->tokens
= error_tokens
;
166 tokens
->size
= Elements(error_tokens
);
171 static void tokens_expand( struct ureg_tokens
*tokens
,
174 unsigned old_size
= tokens
->size
* sizeof(unsigned);
176 if (tokens
->tokens
== error_tokens
) {
180 while (tokens
->count
+ count
> tokens
->size
) {
181 tokens
->size
= (1 << ++tokens
->order
);
184 tokens
->tokens
= REALLOC(tokens
->tokens
,
186 tokens
->size
* sizeof(unsigned));
187 if (tokens
->tokens
== NULL
) {
188 tokens_error(tokens
);
192 static void set_bad( struct ureg_program
*ureg
)
194 tokens_error(&ureg
->domain
[0]);
199 static union tgsi_any_token
*get_tokens( struct ureg_program
*ureg
,
203 struct ureg_tokens
*tokens
= &ureg
->domain
[domain
];
204 union tgsi_any_token
*result
;
206 if (tokens
->count
+ count
> tokens
->size
)
207 tokens_expand(tokens
, count
);
209 result
= &tokens
->tokens
[tokens
->count
];
210 tokens
->count
+= count
;
215 static union tgsi_any_token
*retrieve_token( struct ureg_program
*ureg
,
219 if (ureg
->domain
[domain
].tokens
== error_tokens
)
220 return &error_tokens
[0];
222 return &ureg
->domain
[domain
].tokens
[nr
];
227 static INLINE
struct ureg_dst
228 ureg_dst_register( unsigned file
,
234 dst
.WriteMask
= TGSI_WRITEMASK_XYZW
;
236 dst
.IndirectIndex
= 0;
237 dst
.IndirectSwizzle
= 0;
241 dst
.PredSwizzleX
= TGSI_SWIZZLE_X
;
242 dst
.PredSwizzleY
= TGSI_SWIZZLE_Y
;
243 dst
.PredSwizzleZ
= TGSI_SWIZZLE_Z
;
244 dst
.PredSwizzleW
= TGSI_SWIZZLE_W
;
252 ureg_property_gs_input_prim(struct ureg_program
*ureg
,
255 ureg
->property_gs_input_prim
= input_prim
;
259 ureg_property_gs_output_prim(struct ureg_program
*ureg
,
260 unsigned output_prim
)
262 ureg
->property_gs_output_prim
= output_prim
;
266 ureg_property_gs_max_vertices(struct ureg_program
*ureg
,
267 unsigned max_vertices
)
269 ureg
->property_gs_max_vertices
= max_vertices
;
273 ureg_property_fs_coord_origin(struct ureg_program
*ureg
,
274 unsigned fs_coord_origin
)
276 ureg
->property_fs_coord_origin
= fs_coord_origin
;
280 ureg_property_fs_coord_pixel_center(struct ureg_program
*ureg
,
281 unsigned fs_coord_pixel_center
)
283 ureg
->property_fs_coord_pixel_center
= fs_coord_pixel_center
;
289 ureg_DECL_fs_input_cyl(struct ureg_program
*ureg
,
290 unsigned semantic_name
,
291 unsigned semantic_index
,
292 unsigned interp_mode
,
293 unsigned cylindrical_wrap
)
297 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
298 if (ureg
->fs_input
[i
].semantic_name
== semantic_name
&&
299 ureg
->fs_input
[i
].semantic_index
== semantic_index
) {
304 if (ureg
->nr_fs_inputs
< UREG_MAX_INPUT
) {
305 ureg
->fs_input
[i
].semantic_name
= semantic_name
;
306 ureg
->fs_input
[i
].semantic_index
= semantic_index
;
307 ureg
->fs_input
[i
].interp
= interp_mode
;
308 ureg
->fs_input
[i
].cylindrical_wrap
= cylindrical_wrap
;
309 ureg
->nr_fs_inputs
++;
315 return ureg_src_register(TGSI_FILE_INPUT
, i
);
320 ureg_DECL_vs_input( struct ureg_program
*ureg
,
323 assert(ureg
->processor
== TGSI_PROCESSOR_VERTEX
);
325 ureg
->vs_inputs
[index
/32] |= 1 << (index
% 32);
326 return ureg_src_register( TGSI_FILE_INPUT
, index
);
331 ureg_DECL_gs_input(struct ureg_program
*ureg
,
333 unsigned semantic_name
,
334 unsigned semantic_index
)
336 if (ureg
->nr_gs_inputs
< UREG_MAX_INPUT
) {
337 ureg
->gs_input
[ureg
->nr_gs_inputs
].index
= index
;
338 ureg
->gs_input
[ureg
->nr_gs_inputs
].semantic_name
= semantic_name
;
339 ureg
->gs_input
[ureg
->nr_gs_inputs
].semantic_index
= semantic_index
;
340 ureg
->nr_gs_inputs
++;
345 /* XXX: Add suport for true 2D input registers. */
346 return ureg_src_register(TGSI_FILE_INPUT
, index
);
351 ureg_DECL_system_value(struct ureg_program
*ureg
,
353 unsigned semantic_name
,
354 unsigned semantic_index
)
356 if (ureg
->nr_system_values
< UREG_MAX_SYSTEM_VALUE
) {
357 ureg
->system_value
[ureg
->nr_system_values
].index
= index
;
358 ureg
->system_value
[ureg
->nr_system_values
].semantic_name
= semantic_name
;
359 ureg
->system_value
[ureg
->nr_system_values
].semantic_index
= semantic_index
;
360 ureg
->nr_system_values
++;
365 return ureg_src_register(TGSI_FILE_SYSTEM_VALUE
, index
);
370 ureg_DECL_output( struct ureg_program
*ureg
,
376 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
377 if (ureg
->output
[i
].semantic_name
== name
&&
378 ureg
->output
[i
].semantic_index
== index
)
382 if (ureg
->nr_outputs
< UREG_MAX_OUTPUT
) {
383 ureg
->output
[i
].semantic_name
= name
;
384 ureg
->output
[i
].semantic_index
= index
;
392 return ureg_dst_register( TGSI_FILE_OUTPUT
, i
);
396 /* Returns a new constant register. Keep track of which have been
397 * referred to so that we can emit decls later.
399 * Constant operands declared with this function must be addressed
400 * with a two-dimensional index.
402 * There is nothing in this code to bind this constant to any tracked
403 * value or manage any constant_buffer contents -- that's the
404 * resposibility of the calling code.
407 ureg_DECL_constant2D(struct ureg_program
*ureg
,
412 struct const_decl
*decl
= &ureg
->const_decls2D
[index2D
];
414 assert(index2D
< PIPE_MAX_CONSTANT_BUFFERS
);
416 if (decl
->nr_constant_ranges
< UREG_MAX_CONSTANT_RANGE
) {
417 uint i
= decl
->nr_constant_ranges
++;
419 decl
->constant_range
[i
].first
= first
;
420 decl
->constant_range
[i
].last
= last
;
425 /* A one-dimensional, depricated version of ureg_DECL_constant2D().
427 * Constant operands declared with this function must be addressed
428 * with a one-dimensional index.
431 ureg_DECL_constant(struct ureg_program
*ureg
,
434 struct const_decl
*decl
= &ureg
->const_decls
;
435 unsigned minconst
= index
, maxconst
= index
;
438 /* Inside existing range?
440 for (i
= 0; i
< decl
->nr_constant_ranges
; i
++) {
441 if (decl
->constant_range
[i
].first
<= index
&&
442 decl
->constant_range
[i
].last
>= index
) {
447 /* Extend existing range?
449 for (i
= 0; i
< decl
->nr_constant_ranges
; i
++) {
450 if (decl
->constant_range
[i
].last
== index
- 1) {
451 decl
->constant_range
[i
].last
= index
;
455 if (decl
->constant_range
[i
].first
== index
+ 1) {
456 decl
->constant_range
[i
].first
= index
;
460 minconst
= MIN2(minconst
, decl
->constant_range
[i
].first
);
461 maxconst
= MAX2(maxconst
, decl
->constant_range
[i
].last
);
466 if (decl
->nr_constant_ranges
< UREG_MAX_CONSTANT_RANGE
) {
467 i
= decl
->nr_constant_ranges
++;
468 decl
->constant_range
[i
].first
= index
;
469 decl
->constant_range
[i
].last
= index
;
473 /* Collapse all ranges down to one:
476 decl
->constant_range
[0].first
= minconst
;
477 decl
->constant_range
[0].last
= maxconst
;
478 decl
->nr_constant_ranges
= 1;
481 assert(i
< decl
->nr_constant_ranges
);
482 assert(decl
->constant_range
[i
].first
<= index
);
483 assert(decl
->constant_range
[i
].last
>= index
);
484 return ureg_src_register(TGSI_FILE_CONSTANT
, index
);
488 /* Allocate a new temporary. Temporaries greater than UREG_MAX_TEMP
489 * are legal, but will not be released.
491 struct ureg_dst
ureg_DECL_temporary( struct ureg_program
*ureg
)
495 for (i
= 0; i
< UREG_MAX_TEMP
; i
+= 32) {
496 int bit
= ffs(~ureg
->temps_active
[i
/32]);
503 /* No reusable temps, so allocate a new one:
505 i
= ureg
->nr_temps
++;
508 if (i
< UREG_MAX_TEMP
)
509 ureg
->temps_active
[i
/32] |= 1 << (i
% 32);
511 if (i
>= ureg
->nr_temps
)
512 ureg
->nr_temps
= i
+ 1;
514 return ureg_dst_register( TGSI_FILE_TEMPORARY
, i
);
518 void ureg_release_temporary( struct ureg_program
*ureg
,
519 struct ureg_dst tmp
)
521 if(tmp
.File
== TGSI_FILE_TEMPORARY
)
522 if (tmp
.Index
< UREG_MAX_TEMP
)
523 ureg
->temps_active
[tmp
.Index
/32] &= ~(1 << (tmp
.Index
% 32));
527 /* Allocate a new address register.
529 struct ureg_dst
ureg_DECL_address( struct ureg_program
*ureg
)
531 if (ureg
->nr_addrs
< UREG_MAX_ADDR
)
532 return ureg_dst_register( TGSI_FILE_ADDRESS
, ureg
->nr_addrs
++ );
535 return ureg_dst_register( TGSI_FILE_ADDRESS
, 0 );
538 /* Allocate a new predicate register.
541 ureg_DECL_predicate(struct ureg_program
*ureg
)
543 if (ureg
->nr_preds
< UREG_MAX_PRED
) {
544 return ureg_dst_register(TGSI_FILE_PREDICATE
, ureg
->nr_preds
++);
548 return ureg_dst_register(TGSI_FILE_PREDICATE
, 0);
551 /* Allocate a new sampler.
553 struct ureg_src
ureg_DECL_sampler( struct ureg_program
*ureg
,
558 for (i
= 0; i
< ureg
->nr_samplers
; i
++)
559 if (ureg
->sampler
[i
].Index
== nr
)
560 return ureg
->sampler
[i
];
562 if (i
< PIPE_MAX_SAMPLERS
) {
563 ureg
->sampler
[i
] = ureg_src_register( TGSI_FILE_SAMPLER
, nr
);
565 return ureg
->sampler
[i
];
569 return ureg
->sampler
[0];
574 match_or_expand_immediate( const unsigned *v
,
580 unsigned nr2
= *pnr2
;
585 for (i
= 0; i
< nr
; i
++) {
586 boolean found
= FALSE
;
588 for (j
= 0; j
< nr2
&& !found
; j
++) {
590 *swizzle
|= j
<< (i
* 2);
601 *swizzle
|= nr2
<< (i
* 2);
606 /* Actually expand immediate only when fully succeeded.
613 static struct ureg_src
614 decl_immediate( struct ureg_program
*ureg
,
620 unsigned swizzle
= 0;
622 /* Could do a first pass where we examine all existing immediates
626 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
627 if (ureg
->immediate
[i
].type
!= type
) {
630 if (match_or_expand_immediate(v
,
632 ureg
->immediate
[i
].value
.u
,
633 &ureg
->immediate
[i
].nr
,
639 if (ureg
->nr_immediates
< UREG_MAX_IMMEDIATE
) {
640 i
= ureg
->nr_immediates
++;
641 ureg
->immediate
[i
].type
= type
;
642 if (match_or_expand_immediate(v
,
644 ureg
->immediate
[i
].value
.u
,
645 &ureg
->immediate
[i
].nr
,
654 /* Make sure that all referenced elements are from this immediate.
655 * Has the effect of making size-one immediates into scalars.
657 for (j
= nr
; j
< 4; j
++) {
658 swizzle
|= (swizzle
& 0x3) << (j
* 2);
661 return ureg_swizzle(ureg_src_register(TGSI_FILE_IMMEDIATE
, i
),
662 (swizzle
>> 0) & 0x3,
663 (swizzle
>> 2) & 0x3,
664 (swizzle
>> 4) & 0x3,
665 (swizzle
>> 6) & 0x3);
670 ureg_DECL_immediate( struct ureg_program
*ureg
,
680 for (i
= 0; i
< nr
; i
++) {
684 return decl_immediate(ureg
, fu
.u
, nr
, TGSI_IMM_FLOAT32
);
689 ureg_DECL_immediate_uint( struct ureg_program
*ureg
,
693 return decl_immediate(ureg
, v
, nr
, TGSI_IMM_UINT32
);
698 ureg_DECL_immediate_block_uint( struct ureg_program
*ureg
,
705 if (ureg
->nr_immediates
+ (nr
+ 3) / 4 > UREG_MAX_IMMEDIATE
) {
707 return ureg_src_register(TGSI_FILE_IMMEDIATE
, 0);
710 index
= ureg
->nr_immediates
;
711 ureg
->nr_immediates
+= (nr
+ 3) / 4;
713 for (i
= index
; i
< ureg
->nr_immediates
; i
++) {
714 ureg
->immediate
[i
].type
= TGSI_IMM_UINT32
;
715 ureg
->immediate
[i
].nr
= nr
> 4 ? 4 : nr
;
716 memcpy(ureg
->immediate
[i
].value
.u
,
718 ureg
->immediate
[i
].nr
* sizeof(uint
));
722 return ureg_src_register(TGSI_FILE_IMMEDIATE
, index
);
727 ureg_DECL_immediate_int( struct ureg_program
*ureg
,
731 return decl_immediate(ureg
, (const unsigned *)v
, nr
, TGSI_IMM_INT32
);
736 ureg_emit_src( struct ureg_program
*ureg
,
737 struct ureg_src src
)
739 unsigned size
= 1 + (src
.Indirect
? 1 : 0) +
740 (src
.Dimension
? (src
.DimIndirect
? 2 : 1) : 0);
742 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
745 assert(src
.File
!= TGSI_FILE_NULL
);
746 assert(src
.File
!= TGSI_FILE_OUTPUT
);
747 assert(src
.File
< TGSI_FILE_COUNT
);
750 out
[n
].src
.File
= src
.File
;
751 out
[n
].src
.SwizzleX
= src
.SwizzleX
;
752 out
[n
].src
.SwizzleY
= src
.SwizzleY
;
753 out
[n
].src
.SwizzleZ
= src
.SwizzleZ
;
754 out
[n
].src
.SwizzleW
= src
.SwizzleW
;
755 out
[n
].src
.Index
= src
.Index
;
756 out
[n
].src
.Negate
= src
.Negate
;
757 out
[0].src
.Absolute
= src
.Absolute
;
761 out
[0].src
.Indirect
= 1;
763 out
[n
].src
.File
= src
.IndirectFile
;
764 out
[n
].src
.SwizzleX
= src
.IndirectSwizzle
;
765 out
[n
].src
.SwizzleY
= src
.IndirectSwizzle
;
766 out
[n
].src
.SwizzleZ
= src
.IndirectSwizzle
;
767 out
[n
].src
.SwizzleW
= src
.IndirectSwizzle
;
768 out
[n
].src
.Index
= src
.IndirectIndex
;
773 if (src
.DimIndirect
) {
774 out
[0].src
.Dimension
= 1;
775 out
[n
].dim
.Indirect
= 1;
776 out
[n
].dim
.Dimension
= 0;
777 out
[n
].dim
.Padding
= 0;
778 out
[n
].dim
.Index
= src
.DimensionIndex
;
781 out
[n
].src
.File
= src
.DimIndFile
;
782 out
[n
].src
.SwizzleX
= src
.DimIndSwizzle
;
783 out
[n
].src
.SwizzleY
= src
.DimIndSwizzle
;
784 out
[n
].src
.SwizzleZ
= src
.DimIndSwizzle
;
785 out
[n
].src
.SwizzleW
= src
.DimIndSwizzle
;
786 out
[n
].src
.Index
= src
.DimIndIndex
;
788 out
[0].src
.Dimension
= 1;
789 out
[n
].dim
.Indirect
= 0;
790 out
[n
].dim
.Dimension
= 0;
791 out
[n
].dim
.Padding
= 0;
792 out
[n
].dim
.Index
= src
.DimensionIndex
;
802 ureg_emit_dst( struct ureg_program
*ureg
,
803 struct ureg_dst dst
)
806 (dst
.Indirect
? 1 : 0));
808 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_INSN
, size
);
811 assert(dst
.File
!= TGSI_FILE_NULL
);
812 assert(dst
.File
!= TGSI_FILE_CONSTANT
);
813 assert(dst
.File
!= TGSI_FILE_INPUT
);
814 assert(dst
.File
!= TGSI_FILE_SAMPLER
);
815 assert(dst
.File
!= TGSI_FILE_IMMEDIATE
);
816 assert(dst
.File
< TGSI_FILE_COUNT
);
819 out
[n
].dst
.File
= dst
.File
;
820 out
[n
].dst
.WriteMask
= dst
.WriteMask
;
821 out
[n
].dst
.Indirect
= dst
.Indirect
;
822 out
[n
].dst
.Index
= dst
.Index
;
827 out
[n
].src
.File
= TGSI_FILE_ADDRESS
;
828 out
[n
].src
.SwizzleX
= dst
.IndirectSwizzle
;
829 out
[n
].src
.SwizzleY
= dst
.IndirectSwizzle
;
830 out
[n
].src
.SwizzleZ
= dst
.IndirectSwizzle
;
831 out
[n
].src
.SwizzleW
= dst
.IndirectSwizzle
;
832 out
[n
].src
.Index
= dst
.IndirectIndex
;
840 static void validate( unsigned opcode
,
845 const struct tgsi_opcode_info
*info
= tgsi_get_opcode_info( opcode
);
848 assert(nr_dst
== info
->num_dst
);
849 assert(nr_src
== info
->num_src
);
854 struct ureg_emit_insn_result
855 ureg_emit_insn(struct ureg_program
*ureg
,
860 unsigned pred_swizzle_x
,
861 unsigned pred_swizzle_y
,
862 unsigned pred_swizzle_z
,
863 unsigned pred_swizzle_w
,
867 union tgsi_any_token
*out
;
868 uint count
= predicate
? 2 : 1;
869 struct ureg_emit_insn_result result
;
871 validate( opcode
, num_dst
, num_src
);
873 out
= get_tokens( ureg
, DOMAIN_INSN
, count
);
874 out
[0].insn
= tgsi_default_instruction();
875 out
[0].insn
.Opcode
= opcode
;
876 out
[0].insn
.Saturate
= saturate
;
877 out
[0].insn
.NumDstRegs
= num_dst
;
878 out
[0].insn
.NumSrcRegs
= num_src
;
880 result
.insn_token
= ureg
->domain
[DOMAIN_INSN
].count
- count
;
881 result
.extended_token
= result
.insn_token
;
884 out
[0].insn
.Predicate
= 1;
885 out
[1].insn_predicate
= tgsi_default_instruction_predicate();
886 out
[1].insn_predicate
.Negate
= pred_negate
;
887 out
[1].insn_predicate
.SwizzleX
= pred_swizzle_x
;
888 out
[1].insn_predicate
.SwizzleY
= pred_swizzle_y
;
889 out
[1].insn_predicate
.SwizzleZ
= pred_swizzle_z
;
890 out
[1].insn_predicate
.SwizzleW
= pred_swizzle_w
;
893 ureg
->nr_instructions
++;
900 ureg_emit_label(struct ureg_program
*ureg
,
901 unsigned extended_token
,
902 unsigned *label_token
)
904 union tgsi_any_token
*out
, *insn
;
909 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
912 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
913 insn
->insn
.Label
= 1;
915 *label_token
= ureg
->domain
[DOMAIN_INSN
].count
- 1;
918 /* Will return a number which can be used in a label to point to the
919 * next instruction to be emitted.
922 ureg_get_instruction_number( struct ureg_program
*ureg
)
924 return ureg
->nr_instructions
;
927 /* Patch a given label (expressed as a token number) to point to a
928 * given instruction (expressed as an instruction number).
931 ureg_fixup_label(struct ureg_program
*ureg
,
932 unsigned label_token
,
933 unsigned instruction_number
)
935 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, label_token
);
937 out
->insn_label
.Label
= instruction_number
;
942 ureg_emit_texture(struct ureg_program
*ureg
,
943 unsigned extended_token
,
946 union tgsi_any_token
*out
, *insn
;
948 out
= get_tokens( ureg
, DOMAIN_INSN
, 1 );
949 insn
= retrieve_token( ureg
, DOMAIN_INSN
, extended_token
);
951 insn
->insn
.Texture
= 1;
954 out
[0].insn_texture
.Texture
= target
;
959 ureg_fixup_insn_size(struct ureg_program
*ureg
,
962 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_INSN
, insn
);
964 assert(out
->insn
.Type
== TGSI_TOKEN_TYPE_INSTRUCTION
);
965 out
->insn
.NrTokens
= ureg
->domain
[DOMAIN_INSN
].count
- insn
- 1;
970 ureg_insn(struct ureg_program
*ureg
,
972 const struct ureg_dst
*dst
,
974 const struct ureg_src
*src
,
977 struct ureg_emit_insn_result insn
;
981 boolean negate
= FALSE
;
982 unsigned swizzle
[4] = { 0 };
984 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
985 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
987 negate
= dst
[0].PredNegate
;
988 swizzle
[0] = dst
[0].PredSwizzleX
;
989 swizzle
[1] = dst
[0].PredSwizzleY
;
990 swizzle
[2] = dst
[0].PredSwizzleZ
;
991 swizzle
[3] = dst
[0].PredSwizzleW
;
994 insn
= ureg_emit_insn(ureg
,
1006 for (i
= 0; i
< nr_dst
; i
++)
1007 ureg_emit_dst( ureg
, dst
[i
] );
1009 for (i
= 0; i
< nr_src
; i
++)
1010 ureg_emit_src( ureg
, src
[i
] );
1012 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
1016 ureg_tex_insn(struct ureg_program
*ureg
,
1018 const struct ureg_dst
*dst
,
1021 const struct ureg_src
*src
,
1024 struct ureg_emit_insn_result insn
;
1028 boolean negate
= FALSE
;
1029 unsigned swizzle
[4] = { 0 };
1031 saturate
= nr_dst
? dst
[0].Saturate
: FALSE
;
1032 predicate
= nr_dst
? dst
[0].Predicate
: FALSE
;
1034 negate
= dst
[0].PredNegate
;
1035 swizzle
[0] = dst
[0].PredSwizzleX
;
1036 swizzle
[1] = dst
[0].PredSwizzleY
;
1037 swizzle
[2] = dst
[0].PredSwizzleZ
;
1038 swizzle
[3] = dst
[0].PredSwizzleW
;
1041 insn
= ureg_emit_insn(ureg
,
1053 ureg_emit_texture( ureg
, insn
.extended_token
, target
);
1055 for (i
= 0; i
< nr_dst
; i
++)
1056 ureg_emit_dst( ureg
, dst
[i
] );
1058 for (i
= 0; i
< nr_src
; i
++)
1059 ureg_emit_src( ureg
, src
[i
] );
1061 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
1066 ureg_label_insn(struct ureg_program
*ureg
,
1068 const struct ureg_src
*src
,
1070 unsigned *label_token
)
1072 struct ureg_emit_insn_result insn
;
1075 insn
= ureg_emit_insn(ureg
,
1087 ureg_emit_label( ureg
, insn
.extended_token
, label_token
);
1089 for (i
= 0; i
< nr_src
; i
++)
1090 ureg_emit_src( ureg
, src
[i
] );
1092 ureg_fixup_insn_size( ureg
, insn
.insn_token
);
1097 emit_decl_semantic(struct ureg_program
*ureg
,
1100 unsigned semantic_name
,
1101 unsigned semantic_index
)
1103 union tgsi_any_token
*out
= get_tokens(ureg
, DOMAIN_DECL
, 3);
1106 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
1107 out
[0].decl
.NrTokens
= 3;
1108 out
[0].decl
.File
= file
;
1109 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
; /* FIXME! */
1110 out
[0].decl
.Semantic
= 1;
1113 out
[1].decl_range
.First
= index
;
1114 out
[1].decl_range
.Last
= index
;
1117 out
[2].decl_semantic
.Name
= semantic_name
;
1118 out
[2].decl_semantic
.Index
= semantic_index
;
1123 emit_decl_fs(struct ureg_program
*ureg
,
1126 unsigned semantic_name
,
1127 unsigned semantic_index
,
1128 unsigned interpolate
,
1129 unsigned cylindrical_wrap
)
1131 union tgsi_any_token
*out
= get_tokens(ureg
, DOMAIN_DECL
, 3);
1134 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
1135 out
[0].decl
.NrTokens
= 3;
1136 out
[0].decl
.File
= file
;
1137 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
; /* FIXME! */
1138 out
[0].decl
.Interpolate
= interpolate
;
1139 out
[0].decl
.Semantic
= 1;
1140 out
[0].decl
.CylindricalWrap
= cylindrical_wrap
;
1143 out
[1].decl_range
.First
= index
;
1144 out
[1].decl_range
.Last
= index
;
1147 out
[2].decl_semantic
.Name
= semantic_name
;
1148 out
[2].decl_semantic
.Index
= semantic_index
;
1152 static void emit_decl_range( struct ureg_program
*ureg
,
1157 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
1160 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
1161 out
[0].decl
.NrTokens
= 2;
1162 out
[0].decl
.File
= file
;
1163 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
;
1164 out
[0].decl
.Interpolate
= TGSI_INTERPOLATE_CONSTANT
;
1165 out
[0].decl
.Semantic
= 0;
1168 out
[1].decl_range
.First
= first
;
1169 out
[1].decl_range
.Last
= first
+ count
- 1;
1173 emit_decl_range2D(struct ureg_program
*ureg
,
1179 union tgsi_any_token
*out
= get_tokens(ureg
, DOMAIN_DECL
, 3);
1182 out
[0].decl
.Type
= TGSI_TOKEN_TYPE_DECLARATION
;
1183 out
[0].decl
.NrTokens
= 3;
1184 out
[0].decl
.File
= file
;
1185 out
[0].decl
.UsageMask
= TGSI_WRITEMASK_XYZW
;
1186 out
[0].decl
.Interpolate
= TGSI_INTERPOLATE_CONSTANT
;
1187 out
[0].decl
.Dimension
= 1;
1190 out
[1].decl_range
.First
= first
;
1191 out
[1].decl_range
.Last
= last
;
1194 out
[2].decl_dim
.Index2D
= index2D
;
1198 emit_immediate( struct ureg_program
*ureg
,
1202 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 5 );
1205 out
[0].imm
.Type
= TGSI_TOKEN_TYPE_IMMEDIATE
;
1206 out
[0].imm
.NrTokens
= 5;
1207 out
[0].imm
.DataType
= type
;
1208 out
[0].imm
.Padding
= 0;
1210 out
[1].imm_data
.Uint
= v
[0];
1211 out
[2].imm_data
.Uint
= v
[1];
1212 out
[3].imm_data
.Uint
= v
[2];
1213 out
[4].imm_data
.Uint
= v
[3];
1217 emit_property(struct ureg_program
*ureg
,
1221 union tgsi_any_token
*out
= get_tokens(ureg
, DOMAIN_DECL
, 2);
1224 out
[0].prop
.Type
= TGSI_TOKEN_TYPE_PROPERTY
;
1225 out
[0].prop
.NrTokens
= 2;
1226 out
[0].prop
.PropertyName
= name
;
1228 out
[1].prop_data
.Data
= data
;
1232 static void emit_decls( struct ureg_program
*ureg
)
1236 if (ureg
->property_gs_input_prim
!= ~0) {
1237 assert(ureg
->processor
== TGSI_PROCESSOR_GEOMETRY
);
1240 TGSI_PROPERTY_GS_INPUT_PRIM
,
1241 ureg
->property_gs_input_prim
);
1244 if (ureg
->property_gs_output_prim
!= ~0) {
1245 assert(ureg
->processor
== TGSI_PROCESSOR_GEOMETRY
);
1248 TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1249 ureg
->property_gs_output_prim
);
1252 if (ureg
->property_gs_max_vertices
!= ~0) {
1253 assert(ureg
->processor
== TGSI_PROCESSOR_GEOMETRY
);
1256 TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1257 ureg
->property_gs_max_vertices
);
1260 if (ureg
->property_fs_coord_origin
) {
1261 assert(ureg
->processor
== TGSI_PROCESSOR_FRAGMENT
);
1264 TGSI_PROPERTY_FS_COORD_ORIGIN
,
1265 ureg
->property_fs_coord_origin
);
1268 if (ureg
->property_fs_coord_pixel_center
) {
1269 assert(ureg
->processor
== TGSI_PROCESSOR_FRAGMENT
);
1272 TGSI_PROPERTY_FS_COORD_PIXEL_CENTER
,
1273 ureg
->property_fs_coord_pixel_center
);
1276 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
) {
1277 for (i
= 0; i
< UREG_MAX_INPUT
; i
++) {
1278 if (ureg
->vs_inputs
[i
/32] & (1 << (i
%32))) {
1279 emit_decl_range( ureg
, TGSI_FILE_INPUT
, i
, 1 );
1282 } else if (ureg
->processor
== TGSI_PROCESSOR_FRAGMENT
) {
1283 for (i
= 0; i
< ureg
->nr_fs_inputs
; i
++) {
1287 ureg
->fs_input
[i
].semantic_name
,
1288 ureg
->fs_input
[i
].semantic_index
,
1289 ureg
->fs_input
[i
].interp
,
1290 ureg
->fs_input
[i
].cylindrical_wrap
);
1293 for (i
= 0; i
< ureg
->nr_gs_inputs
; i
++) {
1294 emit_decl_semantic(ureg
,
1296 ureg
->gs_input
[i
].index
,
1297 ureg
->gs_input
[i
].semantic_name
,
1298 ureg
->gs_input
[i
].semantic_index
);
1302 for (i
= 0; i
< ureg
->nr_system_values
; i
++) {
1303 emit_decl_semantic(ureg
,
1304 TGSI_FILE_SYSTEM_VALUE
,
1305 ureg
->system_value
[i
].index
,
1306 ureg
->system_value
[i
].semantic_name
,
1307 ureg
->system_value
[i
].semantic_index
);
1310 for (i
= 0; i
< ureg
->nr_outputs
; i
++) {
1311 emit_decl_semantic(ureg
,
1314 ureg
->output
[i
].semantic_name
,
1315 ureg
->output
[i
].semantic_index
);
1318 for (i
= 0; i
< ureg
->nr_samplers
; i
++) {
1319 emit_decl_range( ureg
,
1321 ureg
->sampler
[i
].Index
, 1 );
1324 if (ureg
->const_decls
.nr_constant_ranges
) {
1325 for (i
= 0; i
< ureg
->const_decls
.nr_constant_ranges
; i
++) {
1326 emit_decl_range(ureg
,
1328 ureg
->const_decls
.constant_range
[i
].first
,
1329 ureg
->const_decls
.constant_range
[i
].last
- ureg
->const_decls
.constant_range
[i
].first
+ 1);
1333 for (i
= 0; i
< PIPE_MAX_CONSTANT_BUFFERS
; i
++) {
1334 struct const_decl
*decl
= &ureg
->const_decls2D
[i
];
1336 if (decl
->nr_constant_ranges
) {
1339 for (j
= 0; j
< decl
->nr_constant_ranges
; j
++) {
1340 emit_decl_range2D(ureg
,
1342 decl
->constant_range
[j
].first
,
1343 decl
->constant_range
[j
].last
,
1349 if (ureg
->nr_temps
) {
1350 emit_decl_range( ureg
,
1351 TGSI_FILE_TEMPORARY
,
1352 0, ureg
->nr_temps
);
1355 if (ureg
->nr_addrs
) {
1356 emit_decl_range( ureg
,
1358 0, ureg
->nr_addrs
);
1361 if (ureg
->nr_preds
) {
1362 emit_decl_range(ureg
,
1363 TGSI_FILE_PREDICATE
,
1368 for (i
= 0; i
< ureg
->nr_immediates
; i
++) {
1369 emit_immediate( ureg
,
1370 ureg
->immediate
[i
].value
.u
,
1371 ureg
->immediate
[i
].type
);
1375 /* Append the instruction tokens onto the declarations to build a
1376 * contiguous stream suitable to send to the driver.
1378 static void copy_instructions( struct ureg_program
*ureg
)
1380 unsigned nr_tokens
= ureg
->domain
[DOMAIN_INSN
].count
;
1381 union tgsi_any_token
*out
= get_tokens( ureg
,
1386 ureg
->domain
[DOMAIN_INSN
].tokens
,
1387 nr_tokens
* sizeof out
[0] );
1392 fixup_header_size(struct ureg_program
*ureg
)
1394 union tgsi_any_token
*out
= retrieve_token( ureg
, DOMAIN_DECL
, 0 );
1396 out
->header
.BodySize
= ureg
->domain
[DOMAIN_DECL
].count
- 2;
1401 emit_header( struct ureg_program
*ureg
)
1403 union tgsi_any_token
*out
= get_tokens( ureg
, DOMAIN_DECL
, 2 );
1405 out
[0].header
.HeaderSize
= 2;
1406 out
[0].header
.BodySize
= 0;
1408 out
[1].processor
.Processor
= ureg
->processor
;
1409 out
[1].processor
.Padding
= 0;
1413 const struct tgsi_token
*ureg_finalize( struct ureg_program
*ureg
)
1415 const struct tgsi_token
*tokens
;
1417 emit_header( ureg
);
1419 copy_instructions( ureg
);
1420 fixup_header_size( ureg
);
1422 if (ureg
->domain
[0].tokens
== error_tokens
||
1423 ureg
->domain
[1].tokens
== error_tokens
) {
1424 debug_printf("%s: error in generated shader\n", __FUNCTION__
);
1429 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1432 debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__
,
1433 ureg
->domain
[DOMAIN_DECL
].count
);
1434 tgsi_dump( tokens
, 0 );
1438 if (tokens
&& !tgsi_sanity_check(tokens
)) {
1439 debug_printf("tgsi_ureg.c, sanity check failed on generated tokens:\n");
1440 tgsi_dump(tokens
, 0);
1450 void *ureg_create_shader( struct ureg_program
*ureg
,
1451 struct pipe_context
*pipe
)
1453 struct pipe_shader_state state
;
1455 state
.tokens
= ureg_finalize(ureg
);
1459 if (ureg
->processor
== TGSI_PROCESSOR_VERTEX
)
1460 return pipe
->create_vs_state( pipe
, &state
);
1462 return pipe
->create_fs_state( pipe
, &state
);
1466 const struct tgsi_token
*ureg_get_tokens( struct ureg_program
*ureg
,
1467 unsigned *nr_tokens
)
1469 const struct tgsi_token
*tokens
;
1471 ureg_finalize(ureg
);
1473 tokens
= &ureg
->domain
[DOMAIN_DECL
].tokens
[0].token
;
1476 *nr_tokens
= ureg
->domain
[DOMAIN_DECL
].size
;
1478 ureg
->domain
[DOMAIN_DECL
].tokens
= 0;
1479 ureg
->domain
[DOMAIN_DECL
].size
= 0;
1480 ureg
->domain
[DOMAIN_DECL
].order
= 0;
1481 ureg
->domain
[DOMAIN_DECL
].count
= 0;
1487 void ureg_free_tokens( const struct tgsi_token
*tokens
)
1489 FREE((struct tgsi_token
*)tokens
);
1493 struct ureg_program
*ureg_create( unsigned processor
)
1495 struct ureg_program
*ureg
= CALLOC_STRUCT( ureg_program
);
1499 ureg
->processor
= processor
;
1500 ureg
->property_gs_input_prim
= ~0;
1501 ureg
->property_gs_output_prim
= ~0;
1502 ureg
->property_gs_max_vertices
= ~0;
1507 void ureg_destroy( struct ureg_program
*ureg
)
1511 for (i
= 0; i
< Elements(ureg
->domain
); i
++) {
1512 if (ureg
->domain
[i
].tokens
&&
1513 ureg
->domain
[i
].tokens
!= error_tokens
)
1514 FREE(ureg
->domain
[i
].tokens
);