1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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 -- SoA.
33 * @author Jose Fonseca <jfonseca@vmware.com>
35 * Based on tgsi_sse2.c code written by Michal Krol, Keith Whitwell,
36 * Brian Paul, and others.
39 #include "pipe/p_config.h"
40 #include "pipe/p_shader_tokens.h"
41 #include "util/u_debug.h"
42 #include "util/u_math.h"
43 #include "util/u_memory.h"
44 #include "tgsi/tgsi_dump.h"
45 #include "tgsi/tgsi_info.h"
46 #include "tgsi/tgsi_parse.h"
47 #include "tgsi/tgsi_util.h"
48 #include "tgsi/tgsi_exec.h"
49 #include "tgsi/tgsi_scan.h"
50 #include "lp_bld_type.h"
51 #include "lp_bld_const.h"
52 #include "lp_bld_arit.h"
53 #include "lp_bld_logic.h"
54 #include "lp_bld_swizzle.h"
55 #include "lp_bld_flow.h"
56 #include "lp_bld_tgsi.h"
57 #include "lp_bld_limits.h"
58 #include "lp_bld_debug.h"
61 #define FOR_EACH_CHANNEL( CHAN )\
62 for (CHAN = 0; CHAN < NUM_CHANNELS; CHAN++)
64 #define IS_DST0_CHANNEL_ENABLED( INST, CHAN )\
65 ((INST)->Dst[0].Register.WriteMask & (1 << (CHAN)))
67 #define IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )\
68 if (IS_DST0_CHANNEL_ENABLED( INST, CHAN ))
70 #define FOR_EACH_DST0_ENABLED_CHANNEL( INST, CHAN )\
71 FOR_EACH_CHANNEL( CHAN )\
72 IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )
79 #define QUAD_TOP_LEFT 0
80 #define QUAD_TOP_RIGHT 1
81 #define QUAD_BOTTOM_LEFT 2
82 #define QUAD_BOTTOM_RIGHT 3
86 struct lp_build_context
*bld
;
90 LLVMTypeRef int_vec_type
;
92 LLVMValueRef cond_stack
[LP_MAX_TGSI_NESTING
];
94 LLVMValueRef cond_mask
;
96 LLVMBasicBlockRef loop_block
;
97 LLVMValueRef cont_mask
;
98 LLVMValueRef break_mask
;
99 LLVMValueRef break_var
;
101 LLVMBasicBlockRef loop_block
;
102 LLVMValueRef cont_mask
;
103 LLVMValueRef break_mask
;
104 LLVMValueRef break_var
;
105 } loop_stack
[LP_MAX_TGSI_NESTING
];
108 LLVMValueRef exec_mask
;
111 struct lp_build_tgsi_soa_context
113 struct lp_build_context base
;
115 /* Builder for integer masks and indices */
116 struct lp_build_context int_bld
;
118 LLVMValueRef consts_ptr
;
119 const LLVMValueRef
*pos
;
120 const LLVMValueRef (*inputs
)[NUM_CHANNELS
];
121 LLVMValueRef (*outputs
)[NUM_CHANNELS
];
123 const struct lp_build_sampler_soa
*sampler
;
125 LLVMValueRef immediates
[LP_MAX_TGSI_IMMEDIATES
][NUM_CHANNELS
];
126 LLVMValueRef temps
[LP_MAX_TGSI_TEMPS
][NUM_CHANNELS
];
127 LLVMValueRef addr
[LP_MAX_TGSI_ADDRS
][NUM_CHANNELS
];
128 LLVMValueRef preds
[LP_MAX_TGSI_PREDS
][NUM_CHANNELS
];
130 /* we allocate an array of temps if we have indirect
131 * addressing and then the temps above is unused */
132 LLVMValueRef temps_array
;
133 boolean has_indirect_addressing
;
135 struct lp_build_mask_context
*mask
;
136 struct lp_exec_mask exec_mask
;
139 static const unsigned char
141 QUAD_TOP_LEFT
, QUAD_TOP_LEFT
,
142 QUAD_BOTTOM_LEFT
, QUAD_BOTTOM_LEFT
145 static const unsigned char
147 QUAD_TOP_RIGHT
, QUAD_TOP_RIGHT
,
148 QUAD_BOTTOM_RIGHT
, QUAD_BOTTOM_RIGHT
151 static const unsigned char
153 QUAD_TOP_LEFT
, QUAD_TOP_RIGHT
,
154 QUAD_TOP_LEFT
, QUAD_TOP_RIGHT
157 static const unsigned char
158 swizzle_bottom
[4] = {
159 QUAD_BOTTOM_LEFT
, QUAD_BOTTOM_RIGHT
,
160 QUAD_BOTTOM_LEFT
, QUAD_BOTTOM_RIGHT
163 static void lp_exec_mask_init(struct lp_exec_mask
*mask
, struct lp_build_context
*bld
)
166 mask
->has_mask
= FALSE
;
167 mask
->cond_stack_size
= 0;
168 mask
->loop_stack_size
= 0;
170 mask
->int_vec_type
= lp_build_int_vec_type(mask
->bld
->type
);
171 mask
->break_mask
= mask
->cont_mask
= mask
->cond_mask
=
172 LLVMConstAllOnes(mask
->int_vec_type
);
175 static void lp_exec_mask_update(struct lp_exec_mask
*mask
)
177 if (mask
->loop_stack_size
) {
178 /*for loops we need to update the entire mask at runtime */
180 assert(mask
->break_mask
);
181 tmp
= LLVMBuildAnd(mask
->bld
->builder
,
185 mask
->exec_mask
= LLVMBuildAnd(mask
->bld
->builder
,
190 mask
->exec_mask
= mask
->cond_mask
;
193 mask
->has_mask
= (mask
->cond_stack_size
> 0 ||
194 mask
->loop_stack_size
> 0);
197 static void lp_exec_mask_cond_push(struct lp_exec_mask
*mask
,
200 assert(mask
->cond_stack_size
< LP_MAX_TGSI_NESTING
);
201 if (mask
->cond_stack_size
== 0) {
202 assert(mask
->cond_mask
== LLVMConstAllOnes(mask
->int_vec_type
));
204 mask
->cond_stack
[mask
->cond_stack_size
++] = mask
->cond_mask
;
205 assert(LLVMTypeOf(val
) == mask
->int_vec_type
);
206 mask
->cond_mask
= val
;
208 lp_exec_mask_update(mask
);
211 static void lp_exec_mask_cond_invert(struct lp_exec_mask
*mask
)
213 LLVMValueRef prev_mask
;
214 LLVMValueRef inv_mask
;
216 assert(mask
->cond_stack_size
);
217 prev_mask
= mask
->cond_stack
[mask
->cond_stack_size
- 1];
218 if (mask
->cond_stack_size
== 1) {
219 assert(prev_mask
== LLVMConstAllOnes(mask
->int_vec_type
));
222 inv_mask
= LLVMBuildNot(mask
->bld
->builder
, mask
->cond_mask
, "");
224 mask
->cond_mask
= LLVMBuildAnd(mask
->bld
->builder
,
227 lp_exec_mask_update(mask
);
230 static void lp_exec_mask_cond_pop(struct lp_exec_mask
*mask
)
232 assert(mask
->cond_stack_size
);
233 mask
->cond_mask
= mask
->cond_stack
[--mask
->cond_stack_size
];
234 lp_exec_mask_update(mask
);
237 static void lp_exec_bgnloop(struct lp_exec_mask
*mask
)
239 if (mask
->loop_stack_size
== 0) {
240 assert(mask
->loop_block
== NULL
);
241 assert(mask
->cont_mask
== LLVMConstAllOnes(mask
->int_vec_type
));
242 assert(mask
->break_mask
== LLVMConstAllOnes(mask
->int_vec_type
));
243 assert(mask
->break_var
== NULL
);
246 assert(mask
->loop_stack_size
< LP_MAX_TGSI_NESTING
);
248 mask
->loop_stack
[mask
->loop_stack_size
].loop_block
= mask
->loop_block
;
249 mask
->loop_stack
[mask
->loop_stack_size
].cont_mask
= mask
->cont_mask
;
250 mask
->loop_stack
[mask
->loop_stack_size
].break_mask
= mask
->break_mask
;
251 mask
->loop_stack
[mask
->loop_stack_size
].break_var
= mask
->break_var
;
252 ++mask
->loop_stack_size
;
254 mask
->break_var
= lp_build_alloca(mask
->bld
->builder
, mask
->int_vec_type
, "");
255 LLVMBuildStore(mask
->bld
->builder
, mask
->break_mask
, mask
->break_var
);
257 mask
->loop_block
= lp_build_insert_new_block(mask
->bld
->builder
, "bgnloop");
258 LLVMBuildBr(mask
->bld
->builder
, mask
->loop_block
);
259 LLVMPositionBuilderAtEnd(mask
->bld
->builder
, mask
->loop_block
);
261 mask
->break_mask
= LLVMBuildLoad(mask
->bld
->builder
, mask
->break_var
, "");
263 lp_exec_mask_update(mask
);
266 static void lp_exec_break(struct lp_exec_mask
*mask
)
268 LLVMValueRef exec_mask
= LLVMBuildNot(mask
->bld
->builder
,
272 mask
->break_mask
= LLVMBuildAnd(mask
->bld
->builder
,
274 exec_mask
, "break_full");
276 lp_exec_mask_update(mask
);
279 static void lp_exec_continue(struct lp_exec_mask
*mask
)
281 LLVMValueRef exec_mask
= LLVMBuildNot(mask
->bld
->builder
,
285 mask
->cont_mask
= LLVMBuildAnd(mask
->bld
->builder
,
289 lp_exec_mask_update(mask
);
293 static void lp_exec_endloop(struct lp_exec_mask
*mask
)
295 LLVMBasicBlockRef endloop
;
296 LLVMTypeRef reg_type
= LLVMIntType(mask
->bld
->type
.width
*
297 mask
->bld
->type
.length
);
300 assert(mask
->break_mask
);
303 * Restore the cont_mask, but don't pop
305 assert(mask
->loop_stack_size
);
306 mask
->cont_mask
= mask
->loop_stack
[mask
->loop_stack_size
- 1].cont_mask
;
307 lp_exec_mask_update(mask
);
310 * Unlike the continue mask, the break_mask must be preserved across loop
313 LLVMBuildStore(mask
->bld
->builder
, mask
->break_mask
, mask
->break_var
);
315 /* i1cond = (mask == 0) */
316 i1cond
= LLVMBuildICmp(
319 LLVMBuildBitCast(mask
->bld
->builder
, mask
->exec_mask
, reg_type
, ""),
320 LLVMConstNull(reg_type
), "");
322 endloop
= lp_build_insert_new_block(mask
->bld
->builder
, "endloop");
324 LLVMBuildCondBr(mask
->bld
->builder
,
325 i1cond
, mask
->loop_block
, endloop
);
327 LLVMPositionBuilderAtEnd(mask
->bld
->builder
, endloop
);
329 assert(mask
->loop_stack_size
);
330 --mask
->loop_stack_size
;
331 mask
->loop_block
= mask
->loop_stack
[mask
->loop_stack_size
].loop_block
;
332 mask
->cont_mask
= mask
->loop_stack
[mask
->loop_stack_size
].cont_mask
;
333 mask
->break_mask
= mask
->loop_stack
[mask
->loop_stack_size
].break_mask
;
334 mask
->break_var
= mask
->loop_stack
[mask
->loop_stack_size
].break_var
;
336 lp_exec_mask_update(mask
);
339 /* stores val into an address pointed to by dst.
340 * mask->exec_mask is used to figure out which bits of val
341 * should be stored into the address
342 * (0 means don't store this bit, 1 means do store).
344 static void lp_exec_mask_store(struct lp_exec_mask
*mask
,
349 /* Mix the predicate and execution mask */
350 if (mask
->has_mask
) {
352 pred
= LLVMBuildAnd(mask
->bld
->builder
, pred
, mask
->exec_mask
, "");
354 pred
= mask
->exec_mask
;
359 LLVMValueRef real_val
, dst_val
;
361 dst_val
= LLVMBuildLoad(mask
->bld
->builder
, dst
, "");
362 real_val
= lp_build_select(mask
->bld
,
366 LLVMBuildStore(mask
->bld
->builder
, real_val
, dst
);
368 LLVMBuildStore(mask
->bld
->builder
, val
, dst
);
373 emit_ddx(struct lp_build_tgsi_soa_context
*bld
,
376 LLVMValueRef src_left
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_left
);
377 LLVMValueRef src_right
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_right
);
378 return lp_build_sub(&bld
->base
, src_right
, src_left
);
383 emit_ddy(struct lp_build_tgsi_soa_context
*bld
,
386 LLVMValueRef src_top
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_top
);
387 LLVMValueRef src_bottom
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_bottom
);
388 return lp_build_sub(&bld
->base
, src_top
, src_bottom
);
392 get_temp_ptr(struct lp_build_tgsi_soa_context
*bld
,
399 if (!bld
->has_indirect_addressing
) {
400 return bld
->temps
[index
][chan
];
402 LLVMValueRef lindex
=
403 LLVMConstInt(LLVMInt32Type(), index
* 4 + chan
, 0);
405 lindex
= lp_build_add(&bld
->base
, lindex
, addr
);
406 return LLVMBuildGEP(bld
->base
.builder
, bld
->temps_array
, &lindex
, 1, "");
415 struct lp_build_tgsi_soa_context
*bld
,
416 const struct tgsi_full_instruction
*inst
,
418 const unsigned chan_index
)
420 const struct tgsi_full_src_register
*reg
= &inst
->Src
[index
];
421 unsigned swizzle
= tgsi_util_get_full_src_register_swizzle( reg
, chan_index
);
423 LLVMValueRef addr
= NULL
;
431 if (reg
->Register
.Indirect
) {
432 LLVMTypeRef int_vec_type
= lp_build_int_vec_type(bld
->base
.type
);
433 unsigned swizzle
= tgsi_util_get_src_register_swizzle( ®
->Indirect
, chan_index
);
434 addr
= LLVMBuildLoad(bld
->base
.builder
,
435 bld
->addr
[reg
->Indirect
.Index
][swizzle
],
437 /* for indexing we want integers */
438 addr
= LLVMBuildFPToSI(bld
->base
.builder
, addr
,
440 addr
= LLVMBuildExtractElement(bld
->base
.builder
,
441 addr
, LLVMConstInt(LLVMInt32Type(), 0, 0),
443 addr
= lp_build_mul(&bld
->base
, addr
, LLVMConstInt(LLVMInt32Type(), 4, 0));
446 switch (reg
->Register
.File
) {
447 case TGSI_FILE_CONSTANT
: {
448 LLVMValueRef index
= LLVMConstInt(LLVMInt32Type(), reg
->Register
.Index
*4 + swizzle
, 0);
449 LLVMValueRef scalar
, scalar_ptr
;
451 if (reg
->Register
.Indirect
) {
452 /*lp_build_printf(bld->base.builder,
453 "\taddr = %d\n", addr);*/
454 index
= lp_build_add(&bld
->base
, index
, addr
);
456 scalar_ptr
= LLVMBuildGEP(bld
->base
.builder
, bld
->consts_ptr
, &index
, 1, "");
457 scalar
= LLVMBuildLoad(bld
->base
.builder
, scalar_ptr
, "");
459 res
= lp_build_broadcast_scalar(&bld
->base
, scalar
);
463 case TGSI_FILE_IMMEDIATE
:
464 res
= bld
->immediates
[reg
->Register
.Index
][swizzle
];
468 case TGSI_FILE_INPUT
:
469 res
= bld
->inputs
[reg
->Register
.Index
][swizzle
];
473 case TGSI_FILE_TEMPORARY
: {
474 LLVMValueRef temp_ptr
= get_temp_ptr(bld
, reg
->Register
.Index
,
476 reg
->Register
.Indirect
,
478 res
= LLVMBuildLoad(bld
->base
.builder
, temp_ptr
, "");
480 return bld
->base
.undef
;
486 return bld
->base
.undef
;
492 return bld
->base
.undef
;
495 switch( tgsi_util_get_full_src_register_sign_mode( reg
, chan_index
) ) {
496 case TGSI_UTIL_SIGN_CLEAR
:
497 res
= lp_build_abs( &bld
->base
, res
);
500 case TGSI_UTIL_SIGN_SET
:
501 /* TODO: Use bitwese OR for floating point */
502 res
= lp_build_abs( &bld
->base
, res
);
503 res
= LLVMBuildNeg( bld
->base
.builder
, res
, "" );
506 case TGSI_UTIL_SIGN_TOGGLE
:
507 res
= LLVMBuildNeg( bld
->base
.builder
, res
, "" );
510 case TGSI_UTIL_SIGN_KEEP
:
519 * Register fetch with derivatives.
523 struct lp_build_tgsi_soa_context
*bld
,
524 const struct tgsi_full_instruction
*inst
,
526 const unsigned chan_index
,
533 src
= emit_fetch(bld
, inst
, index
, chan_index
);
538 /* TODO: use interpolation coeffs for inputs */
541 *ddx
= emit_ddx(bld
, src
);
544 *ddy
= emit_ddy(bld
, src
);
552 emit_fetch_predicate(
553 struct lp_build_tgsi_soa_context
*bld
,
554 const struct tgsi_full_instruction
*inst
,
558 unsigned char swizzles
[4];
559 LLVMValueRef unswizzled
[4] = {NULL
, NULL
, NULL
, NULL
};
563 if (!inst
->Instruction
.Predicate
) {
564 FOR_EACH_CHANNEL( chan
) {
570 swizzles
[0] = inst
->Predicate
.SwizzleX
;
571 swizzles
[1] = inst
->Predicate
.SwizzleY
;
572 swizzles
[2] = inst
->Predicate
.SwizzleZ
;
573 swizzles
[3] = inst
->Predicate
.SwizzleW
;
575 index
= inst
->Predicate
.Index
;
576 assert(index
< LP_MAX_TGSI_PREDS
);
578 FOR_EACH_CHANNEL( chan
) {
579 unsigned swizzle
= swizzles
[chan
];
582 * Only fetch the predicate register channels that are actually listed
585 if (!unswizzled
[swizzle
]) {
586 value
= LLVMBuildLoad(bld
->base
.builder
,
587 bld
->preds
[index
][swizzle
], "");
590 * Convert the value to an integer mask.
592 * TODO: Short-circuit this comparison -- a D3D setp_xx instructions
593 * is needlessly causing two comparisons due to storing the intermediate
594 * result as float vector instead of an integer mask vector.
596 value
= lp_build_compare(bld
->base
.builder
,
601 if (inst
->Predicate
.Negate
) {
602 value
= LLVMBuildNot(bld
->base
.builder
, value
, "");
605 unswizzled
[swizzle
] = value
;
607 value
= unswizzled
[swizzle
];
620 struct lp_build_tgsi_soa_context
*bld
,
621 const struct tgsi_full_instruction
*inst
,
627 const struct tgsi_full_dst_register
*reg
= &inst
->Dst
[index
];
628 LLVMValueRef addr
= NULL
;
630 switch( inst
->Instruction
.Saturate
) {
634 case TGSI_SAT_ZERO_ONE
:
635 value
= lp_build_max(&bld
->base
, value
, bld
->base
.zero
);
636 value
= lp_build_min(&bld
->base
, value
, bld
->base
.one
);
639 case TGSI_SAT_MINUS_PLUS_ONE
:
640 value
= lp_build_max(&bld
->base
, value
, lp_build_const_vec(bld
->base
.type
, -1.0));
641 value
= lp_build_min(&bld
->base
, value
, bld
->base
.one
);
648 if (reg
->Register
.Indirect
) {
649 LLVMTypeRef int_vec_type
= lp_build_int_vec_type(bld
->base
.type
);
650 unsigned swizzle
= tgsi_util_get_src_register_swizzle( ®
->Indirect
, chan_index
);
651 addr
= LLVMBuildLoad(bld
->base
.builder
,
652 bld
->addr
[reg
->Indirect
.Index
][swizzle
],
654 /* for indexing we want integers */
655 addr
= LLVMBuildFPToSI(bld
->base
.builder
, addr
,
657 addr
= LLVMBuildExtractElement(bld
->base
.builder
,
658 addr
, LLVMConstInt(LLVMInt32Type(), 0, 0),
660 addr
= lp_build_mul(&bld
->base
, addr
, LLVMConstInt(LLVMInt32Type(), 4, 0));
663 switch( reg
->Register
.File
) {
664 case TGSI_FILE_OUTPUT
:
665 lp_exec_mask_store(&bld
->exec_mask
, pred
, value
,
666 bld
->outputs
[reg
->Register
.Index
][chan_index
]);
669 case TGSI_FILE_TEMPORARY
: {
670 LLVMValueRef temp_ptr
= get_temp_ptr(bld
, reg
->Register
.Index
,
672 reg
->Register
.Indirect
,
674 lp_exec_mask_store(&bld
->exec_mask
, pred
, value
, temp_ptr
);
678 case TGSI_FILE_ADDRESS
:
679 lp_exec_mask_store(&bld
->exec_mask
, pred
, value
,
680 bld
->addr
[reg
->Indirect
.Index
][chan_index
]);
683 case TGSI_FILE_PREDICATE
:
684 lp_exec_mask_store(&bld
->exec_mask
, pred
, value
,
685 bld
->preds
[index
][chan_index
]);
695 * High-level instruction translators.
699 TEX_MODIFIER_NONE
= 0,
700 TEX_MODIFIER_PROJECTED
,
701 TEX_MODIFIER_LOD_BIAS
,
702 TEX_MODIFIER_EXPLICIT_LOD
,
703 TEX_MODIFIER_EXPLICIT_DERIV
707 emit_tex( struct lp_build_tgsi_soa_context
*bld
,
708 const struct tgsi_full_instruction
*inst
,
709 enum tex_modifier modifier
,
713 LLVMValueRef lod_bias
, explicit_lod
;
714 LLVMValueRef oow
= NULL
;
715 LLVMValueRef coords
[3];
722 _debug_printf("warning: found texture instruction but no sampler generator supplied\n");
723 for (i
= 0; i
< 4; i
++) {
724 texel
[i
] = bld
->base
.undef
;
729 switch (inst
->Texture
.Texture
) {
730 case TGSI_TEXTURE_1D
:
733 case TGSI_TEXTURE_2D
:
734 case TGSI_TEXTURE_RECT
:
737 case TGSI_TEXTURE_SHADOW1D
:
738 case TGSI_TEXTURE_SHADOW2D
:
739 case TGSI_TEXTURE_SHADOWRECT
:
740 case TGSI_TEXTURE_3D
:
741 case TGSI_TEXTURE_CUBE
:
749 if (modifier
== TEX_MODIFIER_LOD_BIAS
) {
750 lod_bias
= emit_fetch( bld
, inst
, 0, 3 );
753 else if (modifier
== TEX_MODIFIER_EXPLICIT_LOD
) {
755 explicit_lod
= emit_fetch( bld
, inst
, 0, 3 );
762 if (modifier
== TEX_MODIFIER_PROJECTED
) {
763 oow
= emit_fetch( bld
, inst
, 0, 3 );
764 oow
= lp_build_rcp(&bld
->base
, oow
);
767 for (i
= 0; i
< num_coords
; i
++) {
768 coords
[i
] = emit_fetch( bld
, inst
, 0, i
);
769 if (modifier
== TEX_MODIFIER_PROJECTED
)
770 coords
[i
] = lp_build_mul(&bld
->base
, coords
[i
], oow
);
772 for (i
= num_coords
; i
< 3; i
++) {
773 coords
[i
] = bld
->base
.undef
;
776 if (modifier
== TEX_MODIFIER_EXPLICIT_DERIV
) {
777 for (i
= 0; i
< num_coords
; i
++) {
778 ddx
[i
] = emit_fetch( bld
, inst
, 1, i
);
779 ddy
[i
] = emit_fetch( bld
, inst
, 2, i
);
781 unit
= inst
->Src
[3].Register
.Index
;
783 for (i
= 0; i
< num_coords
; i
++) {
784 ddx
[i
] = emit_ddx( bld
, coords
[i
] );
785 ddy
[i
] = emit_ddy( bld
, coords
[i
] );
787 unit
= inst
->Src
[1].Register
.Index
;
789 for (i
= num_coords
; i
< 3; i
++) {
790 ddx
[i
] = bld
->base
.undef
;
791 ddy
[i
] = bld
->base
.undef
;
794 bld
->sampler
->emit_fetch_texel(bld
->sampler
,
797 unit
, num_coords
, coords
,
799 lod_bias
, explicit_lod
,
805 * Kill fragment if any of the src register values are negative.
809 struct lp_build_tgsi_soa_context
*bld
,
810 const struct tgsi_full_instruction
*inst
)
812 const struct tgsi_full_src_register
*reg
= &inst
->Src
[0];
813 LLVMValueRef terms
[NUM_CHANNELS
];
817 memset(&terms
, 0, sizeof terms
);
819 FOR_EACH_CHANNEL( chan_index
) {
822 /* Unswizzle channel */
823 swizzle
= tgsi_util_get_full_src_register_swizzle( reg
, chan_index
);
825 /* Check if the component has not been already tested. */
826 assert(swizzle
< NUM_CHANNELS
);
827 if( !terms
[swizzle
] )
828 /* TODO: change the comparison operator instead of setting the sign */
829 terms
[swizzle
] = emit_fetch(bld
, inst
, 0, chan_index
);
833 FOR_EACH_CHANNEL( chan_index
) {
834 if(terms
[chan_index
]) {
835 LLVMValueRef chan_mask
;
838 * If term < 0 then mask = 0 else mask = ~0.
840 chan_mask
= lp_build_cmp(&bld
->base
, PIPE_FUNC_GEQUAL
, terms
[chan_index
], bld
->base
.zero
);
843 mask
= LLVMBuildAnd(bld
->base
.builder
, mask
, chan_mask
, "");
850 lp_build_mask_update(bld
->mask
, mask
);
855 * Predicated fragment kill.
856 * XXX Actually, we do an unconditional kill (as in tgsi_exec.c).
857 * The only predication is the execution mask which will apply if
858 * we're inside a loop or conditional.
861 emit_kilp(struct lp_build_tgsi_soa_context
*bld
,
862 const struct tgsi_full_instruction
*inst
)
866 /* For those channels which are "alive", disable fragment shader
869 if (bld
->exec_mask
.has_mask
) {
870 mask
= LLVMBuildNot(bld
->base
.builder
, bld
->exec_mask
.exec_mask
, "kilp");
873 mask
= bld
->base
.zero
;
876 lp_build_mask_update(bld
->mask
, mask
);
881 struct lp_build_tgsi_soa_context
*bld
,
882 const struct tgsi_full_declaration
*decl
)
884 LLVMTypeRef vec_type
= lp_build_vec_type(bld
->base
.type
);
886 unsigned first
= decl
->Range
.First
;
887 unsigned last
= decl
->Range
.Last
;
890 for (idx
= first
; idx
<= last
; ++idx
) {
891 switch (decl
->Declaration
.File
) {
892 case TGSI_FILE_TEMPORARY
:
893 assert(idx
< LP_MAX_TGSI_TEMPS
);
894 if (bld
->has_indirect_addressing
) {
895 LLVMValueRef val
= LLVMConstInt(LLVMInt32Type(),
897 bld
->temps_array
= lp_build_array_alloca(bld
->base
.builder
,
900 for (i
= 0; i
< NUM_CHANNELS
; i
++)
901 bld
->temps
[idx
][i
] = lp_build_alloca(bld
->base
.builder
,
906 case TGSI_FILE_OUTPUT
:
907 for (i
= 0; i
< NUM_CHANNELS
; i
++)
908 bld
->outputs
[idx
][i
] = lp_build_alloca(bld
->base
.builder
,
912 case TGSI_FILE_ADDRESS
:
913 assert(idx
< LP_MAX_TGSI_ADDRS
);
914 for (i
= 0; i
< NUM_CHANNELS
; i
++)
915 bld
->addr
[idx
][i
] = lp_build_alloca(bld
->base
.builder
,
919 case TGSI_FILE_PREDICATE
:
920 assert(idx
< LP_MAX_TGSI_PREDS
);
921 for (i
= 0; i
< NUM_CHANNELS
; i
++)
922 bld
->preds
[idx
][i
] = lp_build_alloca(bld
->base
.builder
,
927 /* don't need to declare other vars */
935 * Emit LLVM for one TGSI instruction.
936 * \param return TRUE for success, FALSE otherwise
940 struct lp_build_tgsi_soa_context
*bld
,
941 const struct tgsi_full_instruction
*inst
,
942 const struct tgsi_opcode_info
*info
)
945 LLVMValueRef src0
, src1
, src2
;
946 LLVMValueRef tmp0
, tmp1
, tmp2
;
947 LLVMValueRef tmp3
= NULL
;
948 LLVMValueRef tmp4
= NULL
;
949 LLVMValueRef tmp5
= NULL
;
950 LLVMValueRef tmp6
= NULL
;
951 LLVMValueRef tmp7
= NULL
;
953 LLVMValueRef dst0
[NUM_CHANNELS
];
956 * Stores and write masks are handled in a general fashion after the long
957 * instruction opcode switch statement.
959 * Although not stricitly necessary, we avoid generating instructions for
960 * channels which won't be stored, in cases where's that easy. For some
961 * complex instructions, like texture sampling, it is more convenient to
962 * assume a full writemask and then let LLVM optimization passes eliminate
966 assert(info
->num_dst
<= 1);
968 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
969 dst0
[chan_index
] = bld
->base
.undef
;
973 switch (inst
->Instruction
.Opcode
) {
974 case TGSI_OPCODE_ARL
:
975 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
976 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
977 tmp0
= lp_build_floor(&bld
->base
, tmp0
);
978 dst0
[chan_index
] = tmp0
;
982 case TGSI_OPCODE_MOV
:
983 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
984 dst0
[chan_index
] = emit_fetch( bld
, inst
, 0, chan_index
);
988 case TGSI_OPCODE_LIT
:
989 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ) {
990 dst0
[CHAN_X
] = bld
->base
.one
;
992 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ) {
993 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
994 dst0
[CHAN_Y
] = lp_build_max( &bld
->base
, src0
, bld
->base
.zero
);
996 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) ) {
997 /* XMM[1] = SrcReg[0].yyyy */
998 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
999 /* XMM[1] = max(XMM[1], 0) */
1000 tmp1
= lp_build_max( &bld
->base
, tmp1
, bld
->base
.zero
);
1001 /* XMM[2] = SrcReg[0].wwww */
1002 tmp2
= emit_fetch( bld
, inst
, 0, CHAN_W
);
1003 tmp1
= lp_build_pow( &bld
->base
, tmp1
, tmp2
);
1004 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1005 tmp2
= lp_build_cmp(&bld
->base
, PIPE_FUNC_GREATER
, tmp0
, bld
->base
.zero
);
1006 dst0
[CHAN_Z
] = lp_build_select(&bld
->base
, tmp2
, tmp1
, bld
->base
.zero
);
1008 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) ) {
1009 dst0
[CHAN_W
] = bld
->base
.one
;
1013 case TGSI_OPCODE_RCP
:
1014 /* TGSI_OPCODE_RECIP */
1015 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1016 res
= lp_build_rcp(&bld
->base
, src0
);
1017 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1018 dst0
[chan_index
] = res
;
1022 case TGSI_OPCODE_RSQ
:
1023 /* TGSI_OPCODE_RECIPSQRT */
1024 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1025 src0
= lp_build_abs(&bld
->base
, src0
);
1026 res
= lp_build_rsqrt(&bld
->base
, src0
);
1027 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1028 dst0
[chan_index
] = res
;
1032 case TGSI_OPCODE_EXP
:
1033 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
1034 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ||
1035 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
)) {
1036 LLVMValueRef
*p_exp2_int_part
= NULL
;
1037 LLVMValueRef
*p_frac_part
= NULL
;
1038 LLVMValueRef
*p_exp2
= NULL
;
1040 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1042 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
1043 p_exp2_int_part
= &tmp0
;
1044 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
))
1045 p_frac_part
= &tmp1
;
1046 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
1049 lp_build_exp2_approx(&bld
->base
, src0
, p_exp2_int_part
, p_frac_part
, p_exp2
);
1051 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
1052 dst0
[CHAN_X
] = tmp0
;
1053 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
))
1054 dst0
[CHAN_Y
] = tmp1
;
1055 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
1056 dst0
[CHAN_Z
] = tmp2
;
1059 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
)) {
1060 dst0
[CHAN_W
] = bld
->base
.one
;
1064 case TGSI_OPCODE_LOG
:
1065 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
1066 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ||
1067 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
)) {
1068 LLVMValueRef
*p_floor_log2
= NULL
;
1069 LLVMValueRef
*p_exp
= NULL
;
1070 LLVMValueRef
*p_log2
= NULL
;
1072 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1073 src0
= lp_build_abs( &bld
->base
, src0
);
1075 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
1076 p_floor_log2
= &tmp0
;
1077 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
))
1079 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
1082 lp_build_log2_approx(&bld
->base
, src0
, p_exp
, p_floor_log2
, p_log2
);
1084 /* dst.x = floor(lg2(abs(src.x))) */
1085 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
1086 dst0
[CHAN_X
] = tmp0
;
1087 /* dst.y = abs(src)/ex2(floor(lg2(abs(src.x)))) */
1088 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
)) {
1089 dst0
[CHAN_Y
] = lp_build_div( &bld
->base
, src0
, tmp1
);
1091 /* dst.z = lg2(abs(src.x)) */
1092 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
1093 dst0
[CHAN_Z
] = tmp2
;
1096 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
)) {
1097 dst0
[CHAN_W
] = bld
->base
.one
;
1101 case TGSI_OPCODE_MUL
:
1102 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1103 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1104 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1105 dst0
[chan_index
] = lp_build_mul(&bld
->base
, src0
, src1
);
1109 case TGSI_OPCODE_ADD
:
1110 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1111 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1112 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1113 dst0
[chan_index
] = lp_build_add(&bld
->base
, src0
, src1
);
1117 case TGSI_OPCODE_DP3
:
1118 /* TGSI_OPCODE_DOT3 */
1119 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1120 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1121 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
1122 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1123 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1124 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1125 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1126 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
1127 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
1128 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1129 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1130 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1131 dst0
[chan_index
] = tmp0
;
1135 case TGSI_OPCODE_DP4
:
1136 /* TGSI_OPCODE_DOT4 */
1137 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1138 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1139 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
1140 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1141 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1142 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1143 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1144 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
1145 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
1146 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1147 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1148 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_W
);
1149 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_W
);
1150 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1151 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1152 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1153 dst0
[chan_index
] = tmp0
;
1157 case TGSI_OPCODE_DST
:
1158 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) {
1159 dst0
[CHAN_X
] = bld
->base
.one
;
1161 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) {
1162 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1163 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1164 dst0
[CHAN_Y
] = lp_build_mul( &bld
->base
, tmp0
, tmp1
);
1166 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) {
1167 dst0
[CHAN_Z
] = emit_fetch( bld
, inst
, 0, CHAN_Z
);
1169 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) {
1170 dst0
[CHAN_W
] = emit_fetch( bld
, inst
, 1, CHAN_W
);
1174 case TGSI_OPCODE_MIN
:
1175 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1176 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1177 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1178 dst0
[chan_index
] = lp_build_min( &bld
->base
, src0
, src1
);
1182 case TGSI_OPCODE_MAX
:
1183 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1184 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1185 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1186 dst0
[chan_index
] = lp_build_max( &bld
->base
, src0
, src1
);
1190 case TGSI_OPCODE_SLT
:
1191 /* TGSI_OPCODE_SETLT */
1192 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1193 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1194 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1195 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_LESS
, src0
, src1
);
1196 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1200 case TGSI_OPCODE_SGE
:
1201 /* TGSI_OPCODE_SETGE */
1202 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1203 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1204 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1205 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_GEQUAL
, src0
, src1
);
1206 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1210 case TGSI_OPCODE_MAD
:
1211 /* TGSI_OPCODE_MADD */
1212 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1213 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1214 tmp1
= emit_fetch( bld
, inst
, 1, chan_index
);
1215 tmp2
= emit_fetch( bld
, inst
, 2, chan_index
);
1216 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
1217 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp2
);
1218 dst0
[chan_index
] = tmp0
;
1222 case TGSI_OPCODE_SUB
:
1223 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1224 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1225 tmp1
= emit_fetch( bld
, inst
, 1, chan_index
);
1226 dst0
[chan_index
] = lp_build_sub( &bld
->base
, tmp0
, tmp1
);
1230 case TGSI_OPCODE_LRP
:
1231 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1232 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1233 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1234 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1235 tmp0
= lp_build_sub( &bld
->base
, src1
, src2
);
1236 tmp0
= lp_build_mul( &bld
->base
, src0
, tmp0
);
1237 dst0
[chan_index
] = lp_build_add( &bld
->base
, tmp0
, src2
);
1241 case TGSI_OPCODE_CND
:
1242 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1243 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1244 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1245 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1246 tmp1
= lp_build_const_vec(bld
->base
.type
, 0.5);
1247 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_GREATER
, src2
, tmp1
);
1248 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, src0
, src1
);
1252 case TGSI_OPCODE_DP2A
:
1253 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
); /* xmm0 = src[0].x */
1254 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
); /* xmm1 = src[1].x */
1255 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 * xmm1 */
1256 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
); /* xmm1 = src[0].y */
1257 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
); /* xmm2 = src[1].y */
1258 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
); /* xmm1 = xmm1 * xmm2 */
1259 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 + xmm1 */
1260 tmp1
= emit_fetch( bld
, inst
, 2, CHAN_X
); /* xmm1 = src[2].x */
1261 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 + xmm1 */
1262 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1263 dst0
[chan_index
] = tmp0
; /* dest[ch] = xmm0 */
1267 case TGSI_OPCODE_FRC
:
1268 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1269 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1270 tmp0
= lp_build_floor(&bld
->base
, src0
);
1271 tmp0
= lp_build_sub(&bld
->base
, src0
, tmp0
);
1272 dst0
[chan_index
] = tmp0
;
1276 case TGSI_OPCODE_CLAMP
:
1277 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1278 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1279 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1280 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1281 tmp0
= lp_build_max(&bld
->base
, tmp0
, src1
);
1282 tmp0
= lp_build_min(&bld
->base
, tmp0
, src2
);
1283 dst0
[chan_index
] = tmp0
;
1287 case TGSI_OPCODE_FLR
:
1288 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1289 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1290 dst0
[chan_index
] = lp_build_floor(&bld
->base
, tmp0
);
1294 case TGSI_OPCODE_ROUND
:
1295 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1296 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1297 dst0
[chan_index
] = lp_build_round(&bld
->base
, tmp0
);
1301 case TGSI_OPCODE_EX2
: {
1302 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1303 tmp0
= lp_build_exp2( &bld
->base
, tmp0
);
1304 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1305 dst0
[chan_index
] = tmp0
;
1310 case TGSI_OPCODE_LG2
:
1311 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1312 tmp0
= lp_build_log2( &bld
->base
, tmp0
);
1313 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1314 dst0
[chan_index
] = tmp0
;
1318 case TGSI_OPCODE_POW
:
1319 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1320 src1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1321 res
= lp_build_pow( &bld
->base
, src0
, src1
);
1322 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1323 dst0
[chan_index
] = res
;
1327 case TGSI_OPCODE_XPD
:
1328 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
1329 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ) {
1330 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
1331 tmp3
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
1333 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
1334 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) ) {
1335 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1336 tmp4
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1338 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) {
1340 tmp2
= lp_build_mul( &bld
->base
, tmp2
, tmp1
);
1342 tmp5
= lp_build_mul( &bld
->base
, tmp5
, tmp4
);
1343 tmp2
= lp_build_sub( &bld
->base
, tmp2
, tmp5
);
1344 dst0
[CHAN_X
] = tmp2
;
1346 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ||
1347 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) ) {
1348 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1349 tmp5
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1351 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) {
1352 tmp3
= lp_build_mul( &bld
->base
, tmp3
, tmp2
);
1353 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp5
);
1354 tmp3
= lp_build_sub( &bld
->base
, tmp3
, tmp1
);
1355 dst0
[CHAN_Y
] = tmp3
;
1357 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) {
1358 tmp5
= lp_build_mul( &bld
->base
, tmp5
, tmp4
);
1359 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp2
);
1360 tmp5
= lp_build_sub( &bld
->base
, tmp5
, tmp0
);
1361 dst0
[CHAN_Z
] = tmp5
;
1363 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) {
1364 dst0
[CHAN_W
] = bld
->base
.one
;
1368 case TGSI_OPCODE_ABS
:
1369 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1370 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1371 dst0
[chan_index
] = lp_build_abs( &bld
->base
, tmp0
);
1375 case TGSI_OPCODE_RCC
:
1380 case TGSI_OPCODE_DPH
:
1381 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1382 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1383 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
1384 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1385 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1386 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1387 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1388 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
1389 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
1390 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1391 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1392 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_W
);
1393 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1394 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1395 dst0
[chan_index
] = tmp0
;
1399 case TGSI_OPCODE_COS
:
1400 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1401 tmp0
= lp_build_cos( &bld
->base
, tmp0
);
1402 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1403 dst0
[chan_index
] = tmp0
;
1407 case TGSI_OPCODE_DDX
:
1408 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1409 emit_fetch_deriv( bld
, inst
, 0, chan_index
, NULL
, &dst0
[chan_index
], NULL
);
1413 case TGSI_OPCODE_DDY
:
1414 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1415 emit_fetch_deriv( bld
, inst
, 0, chan_index
, NULL
, NULL
, &dst0
[chan_index
]);
1419 case TGSI_OPCODE_KILP
:
1420 /* predicated kill */
1421 emit_kilp( bld
, inst
);
1424 case TGSI_OPCODE_KIL
:
1425 /* conditional kill */
1426 emit_kil( bld
, inst
);
1429 case TGSI_OPCODE_PK2H
:
1433 case TGSI_OPCODE_PK2US
:
1437 case TGSI_OPCODE_PK4B
:
1441 case TGSI_OPCODE_PK4UB
:
1445 case TGSI_OPCODE_RFL
:
1449 case TGSI_OPCODE_SEQ
:
1450 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1451 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1452 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1453 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_EQUAL
, src0
, src1
);
1454 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1458 case TGSI_OPCODE_SFL
:
1459 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1460 dst0
[chan_index
] = bld
->base
.zero
;
1464 case TGSI_OPCODE_SGT
:
1465 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1466 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1467 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1468 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_GREATER
, src0
, src1
);
1469 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1473 case TGSI_OPCODE_SIN
:
1474 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1475 tmp0
= lp_build_sin( &bld
->base
, tmp0
);
1476 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1477 dst0
[chan_index
] = tmp0
;
1481 case TGSI_OPCODE_SLE
:
1482 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1483 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1484 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1485 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_LEQUAL
, src0
, src1
);
1486 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1490 case TGSI_OPCODE_SNE
:
1491 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1492 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1493 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1494 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_NOTEQUAL
, src0
, src1
);
1495 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1499 case TGSI_OPCODE_STR
:
1500 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1501 dst0
[chan_index
] = bld
->base
.one
;
1505 case TGSI_OPCODE_TEX
:
1506 emit_tex( bld
, inst
, TEX_MODIFIER_NONE
, dst0
);
1509 case TGSI_OPCODE_TXD
:
1510 emit_tex( bld
, inst
, TEX_MODIFIER_EXPLICIT_DERIV
, dst0
);
1513 case TGSI_OPCODE_UP2H
:
1519 case TGSI_OPCODE_UP2US
:
1525 case TGSI_OPCODE_UP4B
:
1531 case TGSI_OPCODE_UP4UB
:
1537 case TGSI_OPCODE_X2D
:
1543 case TGSI_OPCODE_ARA
:
1549 case TGSI_OPCODE_ARR
:
1550 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1551 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1552 tmp0
= lp_build_round(&bld
->base
, tmp0
);
1553 dst0
[chan_index
] = tmp0
;
1557 case TGSI_OPCODE_BRA
:
1563 case TGSI_OPCODE_CAL
:
1568 case TGSI_OPCODE_RET
:
1573 case TGSI_OPCODE_END
:
1576 case TGSI_OPCODE_SSG
:
1577 /* TGSI_OPCODE_SGN */
1578 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1579 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1580 dst0
[chan_index
] = lp_build_sgn( &bld
->base
, tmp0
);
1584 case TGSI_OPCODE_CMP
:
1585 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1586 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1587 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1588 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1589 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_LESS
, src0
, bld
->base
.zero
);
1590 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, src1
, src2
);
1594 case TGSI_OPCODE_SCS
:
1595 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) {
1596 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1597 dst0
[CHAN_X
] = lp_build_cos( &bld
->base
, tmp0
);
1599 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) {
1600 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1601 dst0
[CHAN_Y
] = lp_build_sin( &bld
->base
, tmp0
);
1603 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) {
1604 dst0
[CHAN_Z
] = bld
->base
.zero
;
1606 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) {
1607 dst0
[CHAN_W
] = bld
->base
.one
;
1611 case TGSI_OPCODE_TXB
:
1612 emit_tex( bld
, inst
, TEX_MODIFIER_LOD_BIAS
, dst0
);
1615 case TGSI_OPCODE_NRM
:
1617 case TGSI_OPCODE_NRM4
:
1618 /* 3 or 4-component normalization */
1620 uint dims
= (inst
->Instruction
.Opcode
== TGSI_OPCODE_NRM
) ? 3 : 4;
1622 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
) ||
1623 IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Y
) ||
1624 IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Z
) ||
1625 (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_W
) && dims
== 4)) {
1627 /* NOTE: Cannot use xmm regs 2/3 here (see emit_rsqrt() above). */
1630 /* xmm0 = src.x * src.x */
1631 tmp0
= emit_fetch(bld
, inst
, 0, CHAN_X
);
1632 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
)) {
1635 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp0
);
1638 /* xmm0 = xmm0 + src.y * src.y */
1639 tmp1
= emit_fetch(bld
, inst
, 0, CHAN_Y
);
1640 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Y
)) {
1643 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp1
);
1644 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1647 /* xmm0 = xmm0 + src.z * src.z */
1648 tmp1
= emit_fetch(bld
, inst
, 0, CHAN_Z
);
1649 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Z
)) {
1652 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp1
);
1653 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1657 /* xmm0 = xmm0 + src.w * src.w */
1658 tmp1
= emit_fetch(bld
, inst
, 0, CHAN_W
);
1659 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_W
)) {
1662 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp1
);
1663 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1666 /* xmm1 = 1 / sqrt(xmm0) */
1667 tmp1
= lp_build_rsqrt( &bld
->base
, tmp0
);
1669 /* dst.x = xmm1 * src.x */
1670 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
)) {
1671 dst0
[CHAN_X
] = lp_build_mul( &bld
->base
, tmp4
, tmp1
);
1674 /* dst.y = xmm1 * src.y */
1675 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Y
)) {
1676 dst0
[CHAN_Y
] = lp_build_mul( &bld
->base
, tmp5
, tmp1
);
1679 /* dst.z = xmm1 * src.z */
1680 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Z
)) {
1681 dst0
[CHAN_Z
] = lp_build_mul( &bld
->base
, tmp6
, tmp1
);
1684 /* dst.w = xmm1 * src.w */
1685 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
) && dims
== 4) {
1686 dst0
[CHAN_W
] = lp_build_mul( &bld
->base
, tmp7
, tmp1
);
1691 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_W
) && dims
== 3) {
1692 dst0
[CHAN_W
] = bld
->base
.one
;
1697 case TGSI_OPCODE_DIV
:
1703 case TGSI_OPCODE_DP2
:
1704 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
); /* xmm0 = src[0].x */
1705 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
); /* xmm1 = src[1].x */
1706 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 * xmm1 */
1707 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
); /* xmm1 = src[0].y */
1708 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
); /* xmm2 = src[1].y */
1709 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
); /* xmm1 = xmm1 * xmm2 */
1710 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 + xmm1 */
1711 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1712 dst0
[chan_index
] = tmp0
; /* dest[ch] = xmm0 */
1716 case TGSI_OPCODE_TXL
:
1717 emit_tex( bld
, inst
, TEX_MODIFIER_EXPLICIT_LOD
, dst0
);
1720 case TGSI_OPCODE_TXP
:
1721 emit_tex( bld
, inst
, TEX_MODIFIER_PROJECTED
, dst0
);
1724 case TGSI_OPCODE_BRK
:
1725 lp_exec_break(&bld
->exec_mask
);
1728 case TGSI_OPCODE_IF
:
1729 tmp0
= emit_fetch(bld
, inst
, 0, CHAN_X
);
1730 tmp0
= lp_build_cmp(&bld
->base
, PIPE_FUNC_NOTEQUAL
,
1731 tmp0
, bld
->base
.zero
);
1732 lp_exec_mask_cond_push(&bld
->exec_mask
, tmp0
);
1735 case TGSI_OPCODE_BGNLOOP
:
1736 lp_exec_bgnloop(&bld
->exec_mask
);
1739 case TGSI_OPCODE_ELSE
:
1740 lp_exec_mask_cond_invert(&bld
->exec_mask
);
1743 case TGSI_OPCODE_ENDIF
:
1744 lp_exec_mask_cond_pop(&bld
->exec_mask
);
1747 case TGSI_OPCODE_ENDLOOP
:
1748 lp_exec_endloop(&bld
->exec_mask
);
1751 case TGSI_OPCODE_PUSHA
:
1757 case TGSI_OPCODE_POPA
:
1763 case TGSI_OPCODE_CEIL
:
1764 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1765 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1766 dst0
[chan_index
] = lp_build_ceil(&bld
->base
, tmp0
);
1770 case TGSI_OPCODE_I2F
:
1776 case TGSI_OPCODE_NOT
:
1782 case TGSI_OPCODE_TRUNC
:
1783 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1784 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1785 dst0
[chan_index
] = lp_build_trunc(&bld
->base
, tmp0
);
1789 case TGSI_OPCODE_SHL
:
1795 case TGSI_OPCODE_ISHR
:
1801 case TGSI_OPCODE_AND
:
1807 case TGSI_OPCODE_OR
:
1813 case TGSI_OPCODE_MOD
:
1819 case TGSI_OPCODE_XOR
:
1825 case TGSI_OPCODE_SAD
:
1831 case TGSI_OPCODE_TXF
:
1837 case TGSI_OPCODE_TXQ
:
1843 case TGSI_OPCODE_CONT
:
1844 lp_exec_continue(&bld
->exec_mask
);
1847 case TGSI_OPCODE_EMIT
:
1851 case TGSI_OPCODE_ENDPRIM
:
1855 case TGSI_OPCODE_NOP
:
1863 LLVMValueRef pred
[NUM_CHANNELS
];
1865 emit_fetch_predicate( bld
, inst
, pred
);
1867 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1868 emit_store( bld
, inst
, 0, chan_index
, pred
[chan_index
], dst0
[chan_index
]);
1877 lp_build_tgsi_soa(LLVMBuilderRef builder
,
1878 const struct tgsi_token
*tokens
,
1879 struct lp_type type
,
1880 struct lp_build_mask_context
*mask
,
1881 LLVMValueRef consts_ptr
,
1882 const LLVMValueRef
*pos
,
1883 const LLVMValueRef (*inputs
)[NUM_CHANNELS
],
1884 LLVMValueRef (*outputs
)[NUM_CHANNELS
],
1885 struct lp_build_sampler_soa
*sampler
,
1886 const struct tgsi_shader_info
*info
)
1888 struct lp_build_tgsi_soa_context bld
;
1889 struct tgsi_parse_context parse
;
1890 uint num_immediates
= 0;
1893 /* Setup build context */
1894 memset(&bld
, 0, sizeof bld
);
1895 lp_build_context_init(&bld
.base
, builder
, type
);
1896 lp_build_context_init(&bld
.int_bld
, builder
, lp_int_type(type
));
1899 bld
.inputs
= inputs
;
1900 bld
.outputs
= outputs
;
1901 bld
.consts_ptr
= consts_ptr
;
1902 bld
.sampler
= sampler
;
1903 bld
.has_indirect_addressing
= info
->opcode_count
[TGSI_OPCODE_ARR
] > 0 ||
1904 info
->opcode_count
[TGSI_OPCODE_ARL
] > 0;
1906 lp_exec_mask_init(&bld
.exec_mask
, &bld
.base
);
1908 tgsi_parse_init( &parse
, tokens
);
1910 while( !tgsi_parse_end_of_tokens( &parse
) ) {
1911 tgsi_parse_token( &parse
);
1913 switch( parse
.FullToken
.Token
.Type
) {
1914 case TGSI_TOKEN_TYPE_DECLARATION
:
1915 /* Inputs already interpolated */
1916 emit_declaration( &bld
, &parse
.FullToken
.FullDeclaration
);
1919 case TGSI_TOKEN_TYPE_INSTRUCTION
:
1921 unsigned opcode
= parse
.FullToken
.FullInstruction
.Instruction
.Opcode
;
1922 const struct tgsi_opcode_info
*opcode_info
= tgsi_get_opcode_info(opcode
);
1923 if (!emit_instruction( &bld
, &parse
.FullToken
.FullInstruction
, opcode_info
))
1924 _debug_printf("warning: failed to translate tgsi opcode %s to LLVM\n",
1925 opcode_info
->mnemonic
);
1930 case TGSI_TOKEN_TYPE_IMMEDIATE
:
1931 /* simply copy the immediate values into the next immediates[] slot */
1933 const uint size
= parse
.FullToken
.FullImmediate
.Immediate
.NrTokens
- 1;
1935 assert(num_immediates
< LP_MAX_TGSI_IMMEDIATES
);
1936 for( i
= 0; i
< size
; ++i
)
1937 bld
.immediates
[num_immediates
][i
] =
1938 lp_build_const_vec(type
, parse
.FullToken
.FullImmediate
.u
[i
].Float
);
1939 for( i
= size
; i
< 4; ++i
)
1940 bld
.immediates
[num_immediates
][i
] = bld
.base
.undef
;
1945 case TGSI_TOKEN_TYPE_PROPERTY
:
1953 LLVMBasicBlockRef block
= LLVMGetInsertBlock(builder
);
1954 LLVMValueRef function
= LLVMGetBasicBlockParent(block
);
1955 debug_printf("11111111111111111111111111111 \n");
1956 tgsi_dump(tokens
, 0);
1957 lp_debug_dump_value(function
);
1958 debug_printf("2222222222222222222222222222 \n");
1960 tgsi_parse_free( &parse
);