1 /**************************************************************************
3 * Copyright 2011-2012 Advanced Micro Devices, Inc.
4 * Copyright 2009 VMware, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
31 * TGSI to LLVM IR translation.
33 * @author Jose Fonseca <jfonseca@vmware.com>
34 * @author Tom Stellard <thomas.stellard@amd.com>
40 #include "gallivm/lp_bld.h"
41 #include "gallivm/lp_bld_tgsi_action.h"
42 #include "gallivm/lp_bld_limits.h"
43 #include "gallivm/lp_bld_sample.h"
44 #include "gallivm/lp_bld_ir_common.h"
45 #include "lp_bld_type.h"
46 #include "pipe/p_compiler.h"
47 #include "pipe/p_state.h"
48 #include "tgsi/tgsi_exec.h"
49 #include "tgsi/tgsi_scan.h"
50 #include "tgsi/tgsi_info.h"
56 #define LP_CHAN_ALL ~0u
58 #define LP_MAX_INSTRUCTIONS 256
60 struct tgsi_full_declaration
;
61 struct tgsi_full_immediate
;
62 struct tgsi_full_instruction
;
63 struct tgsi_full_src_register
;
64 struct tgsi_full_dst_register
;
65 struct tgsi_opcode_info
;
67 struct tgsi_shader_info
;
68 struct lp_build_mask_context
;
70 struct lp_derivatives
;
71 struct lp_build_gs_iface
;
73 enum lp_build_tex_modifier
{
74 LP_BLD_TEX_MODIFIER_NONE
= 0,
75 LP_BLD_TEX_MODIFIER_PROJECTED
,
76 LP_BLD_TEX_MODIFIER_LOD_BIAS
,
77 LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
,
78 LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV
,
79 LP_BLD_TEX_MODIFIER_LOD_ZERO
84 * Describe a channel of a register.
87 * - immediate value (i.e. derived from a IMM register)
90 * - undetermined (when .file == TGSI_FILE_NULL)
92 * This is one of the analysis results, and is used to described
93 * the output color in terms of inputs.
95 struct lp_tgsi_channel_info
97 unsigned file
:4; /* TGSI_FILE_* */
98 unsigned swizzle
:3; /* PIPE_SWIZZLE_x */
101 float value
; /* for TGSI_FILE_IMMEDIATE */
107 * Describe a texture sampler interpolator.
109 * The interpolation is described in terms of regular inputs.
111 struct lp_tgsi_texture_info
113 struct lp_tgsi_channel_info coord
[4];
114 unsigned target
:8; /* TGSI_TEXTURE_* */
115 unsigned sampler_unit
:8; /* Sampler unit */
116 unsigned texture_unit
:8; /* Texture unit */
117 unsigned modifier
:8; /* LP_BLD_TEX_MODIFIER_* */
123 struct tgsi_shader_info base
;
126 * Whether any of the texture opcodes access a register file other than
129 * We could also handle TGSI_FILE_CONST/IMMEDIATE here, but there is little
132 unsigned indirect_textures
:1;
135 * Whether any of the texture (sample) ocpodes use different sampler
136 * and sampler view unit.
138 unsigned sampler_texture_units_different
:1;
141 * Whether any immediate values are outside the range of 0 and 1
143 unsigned unclamped_immediates
:1;
146 * Texture opcode description. Aimed at detecting and described direct
150 struct lp_tgsi_texture_info tex
[PIPE_MAX_SAMPLERS
];
153 * Output description. Aimed at detecting and describing simple blit
156 struct lp_tgsi_channel_info output
[PIPE_MAX_SHADER_OUTPUTS
][4];
159 * Shortcut pointers into the above (for fragment shaders).
161 const struct lp_tgsi_channel_info
*cbuf
[PIPE_MAX_COLOR_BUFS
];
165 * Reference to system values.
167 struct lp_bld_tgsi_system_values
{
168 LLVMValueRef instance_id
;
169 LLVMValueRef base_instance
;
170 LLVMValueRef vertex_id
;
171 LLVMValueRef vertex_id_nobase
;
172 LLVMValueRef prim_id
;
173 LLVMValueRef basevertex
;
174 LLVMValueRef invocation_id
;
175 LLVMValueRef draw_id
;
176 LLVMValueRef thread_id
;
177 LLVMValueRef block_id
;
178 LLVMValueRef grid_size
;
179 LLVMValueRef front_facing
;
180 LLVMValueRef work_dim
;
181 LLVMValueRef block_size
;
182 LLVMValueRef tess_coord
;
183 LLVMValueRef tess_outer
;
184 LLVMValueRef tess_inner
;
185 LLVMValueRef vertices_in
;
186 LLVMValueRef sample_id
;
187 LLVMValueRef sample_pos
;
188 LLVMValueRef sample_mask_in
;
193 * Sampler code generation interface.
195 * Although texture sampling is a requirement for TGSI translation, it is
196 * a very different problem with several different approaches to it. This
197 * structure establishes an interface for texture sampling code generation, so
198 * that we can easily use different texture sampling strategies.
200 struct lp_build_sampler_soa
203 (*destroy
)( struct lp_build_sampler_soa
*sampler
);
206 (*emit_tex_sample
)(const struct lp_build_sampler_soa
*sampler
,
207 struct gallivm_state
*gallivm
,
208 const struct lp_sampler_params
*params
);
211 (*emit_size_query
)( const struct lp_build_sampler_soa
*sampler
,
212 struct gallivm_state
*gallivm
,
213 const struct lp_sampler_size_query_params
*params
);
217 struct lp_build_sampler_aos
220 (*emit_fetch_texel
)( const struct lp_build_sampler_aos
*sampler
,
221 struct lp_build_context
*bld
,
222 unsigned target
, /* TGSI_TEXTURE_* */
225 const struct lp_derivatives derivs
,
226 enum lp_build_tex_modifier modifier
);
229 struct lp_img_params
;
231 struct lp_build_image_soa
234 (*destroy
)( struct lp_build_image_soa
*image
);
237 (*emit_op
)(const struct lp_build_image_soa
*image
,
238 struct gallivm_state
*gallivm
,
239 const struct lp_img_params
*params
);
242 (*emit_size_query
)( const struct lp_build_image_soa
*sampler
,
243 struct gallivm_state
*gallivm
,
244 const struct lp_sampler_size_query_params
*params
);
247 struct lp_build_fs_iface
;
248 struct lp_build_fs_iface
{
249 LLVMValueRef (*interp_fn
)(const struct lp_build_fs_iface
*iface
,
250 struct lp_build_context
*bld
,
251 unsigned attrib
, unsigned chan
,
252 bool centroid
, bool sample
,
253 LLVMValueRef indir_index
, LLVMValueRef offsets
[2]);
257 lp_build_tgsi_info(const struct tgsi_token
*tokens
,
258 struct lp_tgsi_info
*info
);
261 struct lp_build_tgsi_params
{
263 struct lp_build_mask_context
*mask
;
264 LLVMValueRef consts_ptr
;
265 LLVMValueRef const_sizes_ptr
;
266 const struct lp_bld_tgsi_system_values
*system_values
;
267 const LLVMValueRef (*inputs
)[4];
268 LLVMValueRef context_ptr
;
269 LLVMValueRef thread_data_ptr
;
270 const struct lp_build_sampler_soa
*sampler
;
271 const struct tgsi_shader_info
*info
;
272 const struct lp_build_gs_iface
*gs_iface
;
273 const struct lp_build_tcs_iface
*tcs_iface
;
274 const struct lp_build_tes_iface
*tes_iface
;
275 LLVMValueRef ssbo_ptr
;
276 LLVMValueRef ssbo_sizes_ptr
;
277 const struct lp_build_image_soa
*image
;
278 LLVMValueRef shared_ptr
;
279 const struct lp_build_coro_suspend_info
*coro
;
280 LLVMValueRef kernel_args
;
281 const struct lp_build_fs_iface
*fs_iface
;
282 unsigned gs_vertex_streams
;
286 lp_build_tgsi_soa(struct gallivm_state
*gallivm
,
287 const struct tgsi_token
*tokens
,
288 const struct lp_build_tgsi_params
*params
,
289 LLVMValueRef (*outputs
)[4]);
292 lp_build_tgsi_aos(struct gallivm_state
*gallivm
,
293 const struct tgsi_token
*tokens
,
295 const unsigned char swizzles
[4],
296 LLVMValueRef consts_ptr
,
297 const LLVMValueRef
*inputs
,
298 LLVMValueRef
*outputs
,
299 const struct lp_build_sampler_aos
*sampler
,
300 const struct tgsi_shader_info
*info
);
303 struct lp_build_tgsi_inst_list
305 struct tgsi_full_instruction
*instructions
;
306 uint max_instructions
;
307 uint num_instructions
;
310 unsigned lp_bld_tgsi_list_init(struct lp_build_tgsi_context
* bld_base
);
313 unsigned lp_bld_tgsi_add_instruction(
314 struct lp_build_tgsi_context
* bld_base
,
315 const struct tgsi_full_instruction
*inst_to_add
);
318 struct lp_build_tgsi_context
;
321 typedef LLVMValueRef (*lp_build_emit_fetch_fn
)(struct lp_build_tgsi_context
*,
322 const struct tgsi_full_src_register
*,
323 enum tgsi_opcode_type
,
326 typedef void (*lp_build_emit_store_reg_fn
)(struct lp_build_tgsi_context
*,
327 enum tgsi_opcode_type
,
328 const struct tgsi_full_dst_register
*,
334 struct lp_build_tgsi_context
336 struct lp_build_context base
;
338 struct lp_build_context uint_bld
;
339 struct lp_build_context int_bld
;
341 struct lp_build_context dbl_bld
;
343 struct lp_build_context uint64_bld
;
344 struct lp_build_context int64_bld
;
346 /** This array stores functions that are used to transform TGSI opcodes to
349 struct lp_build_tgsi_action op_actions
[TGSI_OPCODE_LAST
];
351 /* TGSI_OPCODE_RSQ is defined as 1 / sqrt( abs(src0.x) ), rsq_action
352 * should compute 1 / sqrt (src0.x) */
353 struct lp_build_tgsi_action rsq_action
;
355 struct lp_build_tgsi_action sqrt_action
;
357 struct lp_build_tgsi_action drsq_action
;
359 struct lp_build_tgsi_action dsqrt_action
;
360 const struct tgsi_shader_info
*info
;
362 lp_build_emit_fetch_fn emit_fetch_funcs
[TGSI_FILE_COUNT
];
363 lp_build_emit_store_reg_fn emit_store_reg_funcs
[TGSI_FILE_COUNT
];
365 LLVMValueRef (*emit_swizzle
)(struct lp_build_tgsi_context
*,
366 LLVMValueRef
, unsigned, unsigned, unsigned, unsigned);
369 void (*emit_debug
)(struct lp_build_tgsi_context
*,
370 const struct tgsi_full_instruction
*,
371 const struct tgsi_opcode_info
*);
373 void (*emit_store
)(struct lp_build_tgsi_context
*,
374 const struct tgsi_full_instruction
*,
375 const struct tgsi_opcode_info
*,
377 LLVMValueRef dst
[4]);
379 void (*emit_declaration
)(struct lp_build_tgsi_context
*,
380 const struct tgsi_full_declaration
*decl
);
382 void (*emit_immediate
)(struct lp_build_tgsi_context
*,
383 const struct tgsi_full_immediate
*imm
);
386 /* Allow the user to store data in this structure rather than passing it
387 * to every function. */
394 struct tgsi_full_instruction
*instructions
;
395 uint max_instructions
;
396 uint num_instructions
;
398 /** This function allows the user to insert some instructions at the
399 * beginning of the program. It is optional and does not need to be
402 void (*emit_prologue
)(struct lp_build_tgsi_context
*);
404 /** This function allows the user to insert some instructions after
405 * declarations section, but before any other code.
406 * It is optional and does not need to be implemented.
408 void (*emit_prologue_post_decl
)(struct lp_build_tgsi_context
*);
410 /** This function allows the user to insert some instructions at the end of
411 * the program. This callback is intended to be used for emitting
412 * instructions to handle the export for the output registers, but it can
413 * be used for any purpose. Implementing this function is optiona, but
416 void (*emit_epilogue
)(struct lp_build_tgsi_context
*);
419 struct lp_build_gs_iface
421 LLVMValueRef (*fetch_input
)(const struct lp_build_gs_iface
*gs_iface
,
422 struct lp_build_context
* bld
,
423 boolean is_vindex_indirect
,
424 LLVMValueRef vertex_index
,
425 boolean is_aindex_indirect
,
426 LLVMValueRef attrib_index
,
427 LLVMValueRef swizzle_index
);
428 void (*emit_vertex
)(const struct lp_build_gs_iface
*gs_iface
,
429 struct lp_build_context
* bld
,
430 LLVMValueRef (*outputs
)[4],
431 LLVMValueRef emitted_vertices_vec
,
432 LLVMValueRef stream_id
);
433 void (*end_primitive
)(const struct lp_build_gs_iface
*gs_iface
,
434 struct lp_build_context
* bld
,
435 LLVMValueRef total_emitted_vertices_vec
,
436 LLVMValueRef verts_per_prim_vec
,
437 LLVMValueRef emitted_prims_vec
,
438 LLVMValueRef mask_vec
, unsigned stream
);
439 void (*gs_epilogue
)(const struct lp_build_gs_iface
*gs_iface
,
440 LLVMValueRef total_emitted_vertices_vec
,
441 LLVMValueRef emitted_prims_vec
, unsigned stream
);
444 struct lp_build_tcs_iface
446 void (*emit_prologue
)(struct lp_build_context
* bld
);
447 void (*emit_epilogue
)(struct lp_build_context
* bld
);
448 void (*emit_barrier
)(struct lp_build_context
*bld_base
);
450 void (*emit_store_output
)(const struct lp_build_tcs_iface
*tcs_iface
,
451 struct lp_build_context
* bld
,
453 boolean is_vindex_indirect
,
454 LLVMValueRef vertex_index
,
455 boolean is_aindex_indirect
,
456 LLVMValueRef attrib_index
,
457 LLVMValueRef swizzle_index
,
459 LLVMValueRef mask_vec
);
461 LLVMValueRef (*emit_fetch_input
)(const struct lp_build_tcs_iface
*tcs_iface
,
462 struct lp_build_context
* bld
,
463 boolean is_vindex_indirect
,
464 LLVMValueRef vertex_index
,
465 boolean is_aindex_indirect
,
466 LLVMValueRef attrib_index
,
467 LLVMValueRef swizzle_index
);
469 LLVMValueRef (*emit_fetch_output
)(const struct lp_build_tcs_iface
*tcs_iface
,
470 struct lp_build_context
* bld
,
471 boolean is_vindex_indirect
,
472 LLVMValueRef vertex_index
,
473 boolean is_aindex_indirect
,
474 LLVMValueRef attrib_index
,
475 LLVMValueRef swizzle_index
,
479 struct lp_build_tes_iface
481 LLVMValueRef (*fetch_vertex_input
)(const struct lp_build_tes_iface
*tes_iface
,
482 struct lp_build_context
* bld
,
483 boolean is_vindex_indirect
,
484 LLVMValueRef vertex_index
,
485 boolean is_aindex_indirect
,
486 LLVMValueRef attrib_index
,
487 LLVMValueRef swizzle_index
);
489 LLVMValueRef (*fetch_patch_input
)(const struct lp_build_tes_iface
*tes_iface
,
490 struct lp_build_context
* bld
,
491 boolean is_aindex_indirect
,
492 LLVMValueRef attrib_index
,
493 LLVMValueRef swizzle_index
);
496 struct lp_build_tgsi_soa_context
498 struct lp_build_tgsi_context bld_base
;
500 /* Builder for scalar elements of shader's data type (float) */
501 struct lp_build_context elem_bld
;
503 const struct lp_build_gs_iface
*gs_iface
;
504 const struct lp_build_tcs_iface
*tcs_iface
;
505 const struct lp_build_tes_iface
*tes_iface
;
507 LLVMValueRef emitted_prims_vec_ptr
;
508 LLVMValueRef total_emitted_vertices_vec_ptr
;
509 LLVMValueRef emitted_vertices_vec_ptr
;
510 LLVMValueRef max_output_vertices_vec
;
512 LLVMValueRef consts_ptr
;
513 LLVMValueRef const_sizes_ptr
;
514 LLVMValueRef consts
[LP_MAX_TGSI_CONST_BUFFERS
];
515 LLVMValueRef consts_sizes
[LP_MAX_TGSI_CONST_BUFFERS
];
516 const LLVMValueRef (*inputs
)[TGSI_NUM_CHANNELS
];
517 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
];
518 LLVMValueRef context_ptr
;
519 LLVMValueRef thread_data_ptr
;
521 LLVMValueRef ssbo_ptr
;
522 LLVMValueRef ssbo_sizes_ptr
;
523 LLVMValueRef ssbos
[LP_MAX_TGSI_SHADER_BUFFERS
];
524 LLVMValueRef ssbo_sizes
[LP_MAX_TGSI_SHADER_BUFFERS
];
526 LLVMValueRef shared_ptr
;
528 const struct lp_build_coro_suspend_info
*coro
;
530 const struct lp_build_sampler_soa
*sampler
;
531 const struct lp_build_image_soa
*image
;
533 struct tgsi_declaration_sampler_view sv
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
535 LLVMValueRef immediates
[LP_MAX_INLINED_IMMEDIATES
][TGSI_NUM_CHANNELS
];
536 LLVMValueRef temps
[LP_MAX_INLINED_TEMPS
][TGSI_NUM_CHANNELS
];
537 LLVMValueRef addr
[LP_MAX_TGSI_ADDRS
][TGSI_NUM_CHANNELS
];
539 /* We allocate/use this array of temps if (1 << TGSI_FILE_TEMPORARY) is
540 * set in the indirect_files field.
541 * The temps[] array above is unused then.
543 LLVMValueRef temps_array
;
545 /* We allocate/use this array of output if (1 << TGSI_FILE_OUTPUT) is
546 * set in the indirect_files field.
547 * The outputs[] array above is unused then.
549 LLVMValueRef outputs_array
;
551 /* We allocate/use this array of inputs if (1 << TGSI_FILE_INPUT) is
552 * set in the indirect_files field.
553 * The inputs[] array above is unused then.
555 LLVMValueRef inputs_array
;
557 /* We allocate/use this array of temps if (1 << TGSI_FILE_IMMEDIATE) is
558 * set in the indirect_files field.
560 LLVMValueRef imms_array
;
563 struct lp_bld_tgsi_system_values system_values
;
565 /** bitmask indicating which register files are accessed indirectly */
566 unsigned indirect_files
;
568 struct lp_build_mask_context
*mask
;
569 struct lp_exec_mask exec_mask
;
572 boolean use_immediates_array
;
576 lp_emit_declaration_soa(
577 struct lp_build_tgsi_context
*bld
,
578 const struct tgsi_full_declaration
*decl
);
580 void lp_emit_immediate_soa(
581 struct lp_build_tgsi_context
*bld_base
,
582 const struct tgsi_full_immediate
*imm
);
585 lp_emit_instruction_soa(
586 struct lp_build_tgsi_soa_context
*bld
,
587 const struct tgsi_full_instruction
*inst
,
588 const struct tgsi_opcode_info
*info
);
593 struct lp_build_tgsi_soa_context
*bld
,
599 struct lp_build_tgsi_soa_context
*bld
,
603 struct lp_build_tgsi_aos_context
605 struct lp_build_tgsi_context bld_base
;
607 /* Builder for integer masks and indices */
608 struct lp_build_context int_bld
;
612 * - swizzles[0] = red index
613 * - swizzles[1] = green index
614 * - swizzles[2] = blue index
615 * - swizzles[3] = alpha index
617 unsigned char swizzles
[4];
618 unsigned char inv_swizzles
[4];
620 LLVMValueRef consts_ptr
;
621 const LLVMValueRef
*inputs
;
622 LLVMValueRef
*outputs
;
624 const struct lp_build_sampler_aos
*sampler
;
626 struct tgsi_declaration_sampler_view sv
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
628 LLVMValueRef immediates
[LP_MAX_INLINED_IMMEDIATES
];
629 LLVMValueRef temps
[LP_MAX_INLINED_TEMPS
];
630 LLVMValueRef addr
[LP_MAX_TGSI_ADDRS
];
632 /* We allocate/use this array of temps if (1 << TGSI_FILE_TEMPORARY) is
633 * set in the indirect_files field.
634 * The temps[] array above is unused then.
636 LLVMValueRef temps_array
;
638 /** bitmask indicating which register files are accessed indirectly */
639 unsigned indirect_files
;
643 static inline struct lp_build_tgsi_soa_context
*
644 lp_soa_context(struct lp_build_tgsi_context
*bld_base
)
646 return (struct lp_build_tgsi_soa_context
*)bld_base
;
649 static inline struct lp_build_tgsi_aos_context
*
650 lp_aos_context(struct lp_build_tgsi_context
*bld_base
)
652 return (struct lp_build_tgsi_aos_context
*)bld_base
;
656 lp_emit_declaration_aos(
657 struct lp_build_tgsi_aos_context
*bld
,
658 const struct tgsi_full_declaration
*decl
);
662 lp_emit_instruction_aos(
663 struct lp_build_tgsi_aos_context
*bld
,
664 const struct tgsi_full_instruction
*inst
,
665 const struct tgsi_opcode_info
*info
,
670 struct lp_build_tgsi_aos_context
*bld
,
671 const struct tgsi_full_instruction
*inst
,
675 void lp_build_fetch_args(
676 struct lp_build_tgsi_context
* bld_base
,
677 struct lp_build_emit_data
* emit_data
);
680 lp_build_tgsi_inst_llvm_aos(
681 struct lp_build_tgsi_context
* bld_base
,
682 const struct tgsi_full_instruction
*inst
);
685 lp_build_tgsi_intrinsic(
686 const struct lp_build_tgsi_action
* action
,
687 struct lp_build_tgsi_context
* bld_base
,
688 struct lp_build_emit_data
* emit_data
);
692 struct lp_build_tgsi_context
*bld_base
,
693 unsigned tgsi_opcode
,
694 struct lp_build_emit_data
* emit_data
);
697 lp_build_emit_llvm_unary(
698 struct lp_build_tgsi_context
*bld_base
,
699 unsigned tgsi_opcode
,
703 lp_build_emit_llvm_binary(
704 struct lp_build_tgsi_context
*bld_base
,
705 unsigned tgsi_opcode
,
710 lp_build_emit_llvm_ternary(
711 struct lp_build_tgsi_context
*bld_base
,
712 unsigned tgsi_opcode
,
718 lp_build_tgsi_inst_llvm(
719 struct lp_build_tgsi_context
* bld_base
,
720 const struct tgsi_full_instruction
*inst
);
723 lp_build_emit_fetch_src(
724 struct lp_build_tgsi_context
*bld_base
,
725 const struct tgsi_full_src_register
*reg
,
726 enum tgsi_opcode_type stype
,
727 const unsigned chan_index
);
731 struct lp_build_tgsi_context
*bld_base
,
732 const struct tgsi_full_instruction
*inst
,
734 const unsigned chan_index
);
738 lp_build_emit_fetch_texoffset(
739 struct lp_build_tgsi_context
*bld_base
,
740 const struct tgsi_full_instruction
*inst
,
742 const unsigned chan_index
);
746 struct lp_build_tgsi_context
* bld_base
,
747 const struct tgsi_token
*tokens
);
753 #endif /* LP_BLD_TGSI_H */