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 "lp_bld_type.h"
50 #include "lp_bld_const.h"
51 #include "lp_bld_arit.h"
52 #include "lp_bld_logic.h"
53 #include "lp_bld_swizzle.h"
54 #include "lp_bld_flow.h"
55 #include "lp_bld_tgsi.h"
56 #include "lp_bld_debug.h"
59 #define LP_MAX_TEMPS 256
60 #define LP_MAX_IMMEDIATES 256
63 #define FOR_EACH_CHANNEL( CHAN )\
64 for (CHAN = 0; CHAN < NUM_CHANNELS; CHAN++)
66 #define IS_DST0_CHANNEL_ENABLED( INST, CHAN )\
67 ((INST)->Dst[0].Register.WriteMask & (1 << (CHAN)))
69 #define IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )\
70 if (IS_DST0_CHANNEL_ENABLED( INST, CHAN ))
72 #define FOR_EACH_DST0_ENABLED_CHANNEL( INST, CHAN )\
73 FOR_EACH_CHANNEL( CHAN )\
74 IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )
81 #define QUAD_TOP_LEFT 0
82 #define QUAD_TOP_RIGHT 1
83 #define QUAD_BOTTOM_LEFT 2
84 #define QUAD_BOTTOM_RIGHT 3
86 #define LP_TGSI_MAX_NESTING 16
89 struct lp_build_context
*bld
;
93 LLVMTypeRef int_vec_type
;
95 LLVMValueRef cond_stack
[LP_TGSI_MAX_NESTING
];
97 LLVMValueRef cond_mask
;
99 LLVMValueRef break_stack
[LP_TGSI_MAX_NESTING
];
100 int break_stack_size
;
101 LLVMValueRef break_mask
;
103 LLVMValueRef cont_stack
[LP_TGSI_MAX_NESTING
];
105 LLVMValueRef cont_mask
;
107 LLVMBasicBlockRef loop_stack
[LP_TGSI_MAX_NESTING
];
109 LLVMBasicBlockRef loop_block
;
112 LLVMValueRef exec_mask
;
115 struct lp_build_tgsi_soa_context
117 struct lp_build_context base
;
119 LLVMValueRef consts_ptr
;
120 const LLVMValueRef
*pos
;
121 const LLVMValueRef (*inputs
)[NUM_CHANNELS
];
122 LLVMValueRef (*outputs
)[NUM_CHANNELS
];
124 struct lp_build_sampler_soa
*sampler
;
126 LLVMValueRef immediates
[LP_MAX_IMMEDIATES
][NUM_CHANNELS
];
127 LLVMValueRef temps
[LP_MAX_TEMPS
][NUM_CHANNELS
];
129 struct lp_build_mask_context
*mask
;
130 struct lp_exec_mask exec_mask
;
133 static const unsigned char
135 QUAD_TOP_LEFT
, QUAD_TOP_LEFT
,
136 QUAD_BOTTOM_LEFT
, QUAD_BOTTOM_LEFT
139 static const unsigned char
141 QUAD_TOP_RIGHT
, QUAD_TOP_RIGHT
,
142 QUAD_BOTTOM_RIGHT
, QUAD_BOTTOM_RIGHT
145 static const unsigned char
147 QUAD_TOP_LEFT
, QUAD_TOP_RIGHT
,
148 QUAD_TOP_LEFT
, QUAD_TOP_RIGHT
151 static const unsigned char
152 swizzle_bottom
[4] = {
153 QUAD_BOTTOM_LEFT
, QUAD_BOTTOM_RIGHT
,
154 QUAD_BOTTOM_LEFT
, QUAD_BOTTOM_RIGHT
157 static void lp_exec_mask_init(struct lp_exec_mask
*mask
, struct lp_build_context
*bld
)
160 mask
->has_mask
= FALSE
;
161 mask
->cond_stack_size
= 0;
162 mask
->loop_stack_size
= 0;
163 mask
->break_stack_size
= 0;
164 mask
->cont_stack_size
= 0;
166 mask
->int_vec_type
= lp_build_int_vec_type(mask
->bld
->type
);
169 static void lp_exec_mask_update(struct lp_exec_mask
*mask
)
171 if (mask
->loop_stack_size
) {
172 /*for loops we need to update the entire mask at
175 tmp
= LLVMBuildAnd(mask
->bld
->builder
,
179 mask
->exec_mask
= LLVMBuildAnd(mask
->bld
->builder
,
184 mask
->exec_mask
= mask
->cond_mask
;
187 mask
->has_mask
= (mask
->cond_stack_size
> 0 ||
188 mask
->loop_stack_size
> 0);
191 static void lp_exec_mask_cond_push(struct lp_exec_mask
*mask
,
194 mask
->cond_stack
[mask
->cond_stack_size
++] = mask
->cond_mask
;
195 mask
->cond_mask
= LLVMBuildBitCast(mask
->bld
->builder
, val
,
196 mask
->int_vec_type
, "");
198 lp_exec_mask_update(mask
);
201 static void lp_exec_mask_cond_invert(struct lp_exec_mask
*mask
)
203 LLVMValueRef prev_mask
= mask
->cond_stack
[mask
->cond_stack_size
- 1];
204 LLVMValueRef inv_mask
= LLVMBuildNot(mask
->bld
->builder
,
205 mask
->cond_mask
, "");
207 /* means that we didn't have any mask before and that
208 * we were fully enabled */
209 if (mask
->cond_stack_size
<= 1) {
210 prev_mask
= LLVMConstAllOnes(mask
->int_vec_type
);
213 mask
->cond_mask
= LLVMBuildAnd(mask
->bld
->builder
,
216 lp_exec_mask_update(mask
);
219 static void lp_exec_mask_cond_pop(struct lp_exec_mask
*mask
)
221 mask
->cond_mask
= mask
->cond_stack
[--mask
->cond_stack_size
];
222 lp_exec_mask_update(mask
);
225 static void lp_exec_bgnloop(struct lp_exec_mask
*mask
)
228 if (mask
->cont_stack_size
== 0)
229 mask
->cont_mask
= LLVMConstAllOnes(mask
->int_vec_type
);
230 if (mask
->cont_stack_size
== 0)
231 mask
->break_mask
= LLVMConstAllOnes(mask
->int_vec_type
);
232 if (mask
->cond_stack_size
== 0)
233 mask
->cond_mask
= LLVMConstAllOnes(mask
->int_vec_type
);
234 mask
->loop_stack
[mask
->loop_stack_size
++] = mask
->loop_block
;
235 mask
->loop_block
= lp_build_insert_new_block(mask
->bld
->builder
, "bgnloop");
236 LLVMBuildBr(mask
->bld
->builder
, mask
->loop_block
);
237 LLVMPositionBuilderAtEnd(mask
->bld
->builder
, mask
->loop_block
);
239 lp_exec_mask_update(mask
);
242 static void lp_exec_break(struct lp_exec_mask
*mask
)
244 LLVMValueRef exec_mask
= LLVMBuildNot(mask
->bld
->builder
,
248 mask
->break_stack
[mask
->break_stack_size
++] = mask
->break_mask
;
249 if (mask
->break_stack_size
> 1) {
250 mask
->break_mask
= LLVMBuildAnd(mask
->bld
->builder
,
252 exec_mask
, "break_full");
254 mask
->break_mask
= exec_mask
;
256 lp_exec_mask_update(mask
);
259 static void lp_exec_continue(struct lp_exec_mask
*mask
)
261 LLVMValueRef exec_mask
= LLVMBuildNot(mask
->bld
->builder
,
265 mask
->cont_stack
[mask
->cont_stack_size
++] = mask
->cont_mask
;
266 if (mask
->cont_stack_size
> 1) {
267 mask
->cont_mask
= LLVMBuildAnd(mask
->bld
->builder
,
271 mask
->cont_mask
= exec_mask
;
273 lp_exec_mask_update(mask
);
277 static void lp_exec_endloop(struct lp_exec_mask
*mask
)
279 LLVMBasicBlockRef endloop
;
280 LLVMTypeRef reg_type
= LLVMIntType(mask
->bld
->type
.width
*
281 mask
->bld
->type
.length
);
282 /* i1cond = (mask == 0) */
283 LLVMValueRef i1cond
= LLVMBuildICmp(
286 LLVMBuildBitCast(mask
->bld
->builder
, mask
->break_mask
, reg_type
, ""),
287 LLVMConstNull(reg_type
), "");
289 endloop
= lp_build_insert_new_block(mask
->bld
->builder
, "endloop");
291 LLVMBuildCondBr(mask
->bld
->builder
,
292 i1cond
, mask
->loop_block
, endloop
);
294 LLVMPositionBuilderAtEnd(mask
->bld
->builder
, endloop
);
296 mask
->loop_block
= mask
->loop_stack
[--mask
->loop_stack_size
];
297 /* pop the break mask */
298 if (mask
->cont_stack_size
) {
299 mask
->cont_mask
= mask
->cont_stack
[--mask
->cont_stack_size
];
301 if (mask
->break_stack_size
) {
302 mask
->break_mask
= mask
->cont_stack
[--mask
->break_stack_size
];
305 lp_exec_mask_update(mask
);
308 static void lp_exec_mask_store(struct lp_exec_mask
*mask
,
312 if (mask
->has_mask
) {
313 LLVMValueRef real_val
, dst_val
;
315 dst_val
= LLVMBuildLoad(mask
->bld
->builder
, dst
, "");
316 real_val
= lp_build_select(mask
->bld
,
320 LLVMBuildStore(mask
->bld
->builder
, real_val
, dst
);
322 LLVMBuildStore(mask
->bld
->builder
, val
, dst
);
327 emit_ddx(struct lp_build_tgsi_soa_context
*bld
,
330 LLVMValueRef src_left
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_left
);
331 LLVMValueRef src_right
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_right
);
332 return lp_build_sub(&bld
->base
, src_right
, src_left
);
337 emit_ddy(struct lp_build_tgsi_soa_context
*bld
,
340 LLVMValueRef src_top
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_top
);
341 LLVMValueRef src_bottom
= lp_build_swizzle1_aos(&bld
->base
, src
, swizzle_bottom
);
342 return lp_build_sub(&bld
->base
, src_top
, src_bottom
);
351 struct lp_build_tgsi_soa_context
*bld
,
352 const struct tgsi_full_instruction
*inst
,
354 const unsigned chan_index
)
356 const struct tgsi_full_src_register
*reg
= &inst
->Src
[index
];
357 unsigned swizzle
= tgsi_util_get_full_src_register_swizzle( reg
, chan_index
);
366 switch (reg
->Register
.File
) {
367 case TGSI_FILE_CONSTANT
: {
368 LLVMValueRef index
= LLVMConstInt(LLVMInt32Type(), reg
->Register
.Index
*4 + swizzle
, 0);
369 LLVMValueRef scalar_ptr
= LLVMBuildGEP(bld
->base
.builder
, bld
->consts_ptr
, &index
, 1, "");
370 LLVMValueRef scalar
= LLVMBuildLoad(bld
->base
.builder
, scalar_ptr
, "");
371 res
= lp_build_broadcast_scalar(&bld
->base
, scalar
);
375 case TGSI_FILE_IMMEDIATE
:
376 res
= bld
->immediates
[reg
->Register
.Index
][swizzle
];
380 case TGSI_FILE_INPUT
:
381 res
= bld
->inputs
[reg
->Register
.Index
][swizzle
];
385 case TGSI_FILE_TEMPORARY
:
386 res
= LLVMBuildLoad(bld
->base
.builder
, bld
->temps
[reg
->Register
.Index
][swizzle
], "");
388 return bld
->base
.undef
;
393 return bld
->base
.undef
;
399 return bld
->base
.undef
;
402 switch( tgsi_util_get_full_src_register_sign_mode( reg
, chan_index
) ) {
403 case TGSI_UTIL_SIGN_CLEAR
:
404 res
= lp_build_abs( &bld
->base
, res
);
407 case TGSI_UTIL_SIGN_SET
:
408 /* TODO: Use bitwese OR for floating point */
409 res
= lp_build_abs( &bld
->base
, res
);
410 res
= LLVMBuildNeg( bld
->base
.builder
, res
, "" );
413 case TGSI_UTIL_SIGN_TOGGLE
:
414 res
= LLVMBuildNeg( bld
->base
.builder
, res
, "" );
417 case TGSI_UTIL_SIGN_KEEP
:
426 * Register fetch with derivatives.
430 struct lp_build_tgsi_soa_context
*bld
,
431 const struct tgsi_full_instruction
*inst
,
433 const unsigned chan_index
,
440 src
= emit_fetch(bld
, inst
, index
, chan_index
);
445 /* TODO: use interpolation coeffs for inputs */
448 *ddx
= emit_ddx(bld
, src
);
451 *ddy
= emit_ddy(bld
, src
);
460 struct lp_build_tgsi_soa_context
*bld
,
461 const struct tgsi_full_instruction
*inst
,
466 const struct tgsi_full_dst_register
*reg
= &inst
->Dst
[index
];
468 switch( inst
->Instruction
.Saturate
) {
472 case TGSI_SAT_ZERO_ONE
:
473 value
= lp_build_max(&bld
->base
, value
, bld
->base
.zero
);
474 value
= lp_build_min(&bld
->base
, value
, bld
->base
.one
);
477 case TGSI_SAT_MINUS_PLUS_ONE
:
478 value
= lp_build_max(&bld
->base
, value
, lp_build_const_vec(bld
->base
.type
, -1.0));
479 value
= lp_build_min(&bld
->base
, value
, bld
->base
.one
);
486 switch( reg
->Register
.File
) {
487 case TGSI_FILE_OUTPUT
:
488 lp_exec_mask_store(&bld
->exec_mask
, value
,
489 bld
->outputs
[reg
->Register
.Index
][chan_index
]);
492 case TGSI_FILE_TEMPORARY
:
493 lp_exec_mask_store(&bld
->exec_mask
, value
,
494 bld
->temps
[reg
->Register
.Index
][chan_index
]);
497 case TGSI_FILE_ADDRESS
:
502 case TGSI_FILE_PREDICATE
:
514 * High-level instruction translators.
519 emit_tex( struct lp_build_tgsi_soa_context
*bld
,
520 const struct tgsi_full_instruction
*inst
,
521 boolean apply_lodbias
,
525 const uint unit
= inst
->Src
[1].Register
.Index
;
526 LLVMValueRef lodbias
;
527 LLVMValueRef oow
= NULL
;
528 LLVMValueRef coords
[3];
532 switch (inst
->Texture
.Texture
) {
533 case TGSI_TEXTURE_1D
:
536 case TGSI_TEXTURE_2D
:
537 case TGSI_TEXTURE_RECT
:
540 case TGSI_TEXTURE_SHADOW1D
:
541 case TGSI_TEXTURE_SHADOW2D
:
542 case TGSI_TEXTURE_SHADOWRECT
:
543 case TGSI_TEXTURE_3D
:
544 case TGSI_TEXTURE_CUBE
:
553 lodbias
= emit_fetch( bld
, inst
, 0, 3 );
555 lodbias
= bld
->base
.zero
;
558 oow
= emit_fetch( bld
, inst
, 0, 3 );
559 oow
= lp_build_rcp(&bld
->base
, oow
);
562 for (i
= 0; i
< num_coords
; i
++) {
563 coords
[i
] = emit_fetch( bld
, inst
, 0, i
);
565 coords
[i
] = lp_build_mul(&bld
->base
, coords
[i
], oow
);
567 for (i
= num_coords
; i
< 3; i
++) {
568 coords
[i
] = bld
->base
.undef
;
571 bld
->sampler
->emit_fetch_texel(bld
->sampler
,
574 unit
, num_coords
, coords
, lodbias
,
581 struct lp_build_tgsi_soa_context
*bld
,
582 const struct tgsi_full_instruction
*inst
)
584 const struct tgsi_full_src_register
*reg
= &inst
->Src
[0];
585 LLVMValueRef terms
[NUM_CHANNELS
];
589 memset(&terms
, 0, sizeof terms
);
591 FOR_EACH_CHANNEL( chan_index
) {
594 /* Unswizzle channel */
595 swizzle
= tgsi_util_get_full_src_register_swizzle( reg
, chan_index
);
597 /* Check if the component has not been already tested. */
598 assert(swizzle
< NUM_CHANNELS
);
599 if( !terms
[swizzle
] )
600 /* TODO: change the comparison operator instead of setting the sign */
601 terms
[swizzle
] = emit_fetch(bld
, inst
, 0, chan_index
);
605 FOR_EACH_CHANNEL( chan_index
) {
606 if(terms
[chan_index
]) {
607 LLVMValueRef chan_mask
;
609 chan_mask
= lp_build_cmp(&bld
->base
, PIPE_FUNC_GEQUAL
, terms
[chan_index
], bld
->base
.zero
);
612 mask
= LLVMBuildAnd(bld
->base
.builder
, mask
, chan_mask
, "");
619 lp_build_mask_update(bld
->mask
, mask
);
624 * Check if inst src/dest regs use indirect addressing into temporary
628 indirect_temp_reference(const struct tgsi_full_instruction
*inst
)
631 for (i
= 0; i
< inst
->Instruction
.NumSrcRegs
; i
++) {
632 const struct tgsi_full_src_register
*reg
= &inst
->Src
[i
];
633 if (reg
->Register
.File
== TGSI_FILE_TEMPORARY
&&
634 reg
->Register
.Indirect
)
637 for (i
= 0; i
< inst
->Instruction
.NumDstRegs
; i
++) {
638 const struct tgsi_full_dst_register
*reg
= &inst
->Dst
[i
];
639 if (reg
->Register
.File
== TGSI_FILE_TEMPORARY
&&
640 reg
->Register
.Indirect
)
648 struct lp_build_tgsi_soa_context
*bld
,
649 const struct tgsi_full_declaration
*decl
)
651 unsigned first
= decl
->Range
.First
;
652 unsigned last
= decl
->Range
.Last
;
654 LLVMBasicBlockRef current_block
=
655 LLVMGetInsertBlock(bld
->base
.builder
);
656 LLVMBasicBlockRef first_block
=
657 LLVMGetEntryBasicBlock(
658 LLVMGetBasicBlockParent(current_block
));
659 LLVMValueRef first_inst
=
660 LLVMGetFirstInstruction(first_block
);
662 /* we want alloca's to be the first instruction
663 * in the function so we need to rewind the builder
664 * to the very beginning */
665 LLVMPositionBuilderBefore(bld
->base
.builder
,
668 for (idx
= first
; idx
<= last
; ++idx
) {
671 switch (decl
->Declaration
.File
) {
672 case TGSI_FILE_TEMPORARY
:
673 for (i
= 0; i
< NUM_CHANNELS
; i
++)
674 bld
->temps
[idx
][i
] = lp_build_alloca(&bld
->base
);
678 case TGSI_FILE_OUTPUT
:
679 for (i
= 0; i
< NUM_CHANNELS
; i
++)
680 bld
->outputs
[idx
][i
] = lp_build_alloca(&bld
->base
);
685 /* don't need to declare other vars */
690 LLVMPositionBuilderAtEnd(bld
->base
.builder
,
696 LLVMPositionBuilderAtEnd(bld
->base
.builder
,
703 struct lp_build_tgsi_soa_context
*bld
,
704 const struct tgsi_full_instruction
*inst
,
705 const struct tgsi_opcode_info
*info
)
708 LLVMValueRef src0
, src1
, src2
;
709 LLVMValueRef tmp0
, tmp1
, tmp2
;
710 LLVMValueRef tmp3
= NULL
;
711 LLVMValueRef tmp4
= NULL
;
712 LLVMValueRef tmp5
= NULL
;
713 LLVMValueRef tmp6
= NULL
;
714 LLVMValueRef tmp7
= NULL
;
716 LLVMValueRef dst0
[NUM_CHANNELS
];
718 /* we can't handle indirect addressing into temp register file yet */
719 if (indirect_temp_reference(inst
))
723 * Stores and write masks are handled in a general fashion after the long
724 * instruction opcode switch statement.
726 * Although not stricitly necessary, we avoid generating instructions for
727 * channels which won't be stored, in cases where's that easy. For some
728 * complex instructions, like texture sampling, it is more convenient to
729 * assume a full writemask and then let LLVM optimization passes eliminate
733 assert(info
->num_dst
<= 1);
735 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
736 dst0
[chan_index
] = bld
->base
.undef
;
740 switch (inst
->Instruction
.Opcode
) {
742 case TGSI_OPCODE_ARL
:
744 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
745 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
748 dst0
[chan_index
] = tmp0
;
753 case TGSI_OPCODE_MOV
:
754 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
755 dst0
[chan_index
] = emit_fetch( bld
, inst
, 0, chan_index
);
759 case TGSI_OPCODE_LIT
:
760 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ) {
761 dst0
[CHAN_X
] = bld
->base
.one
;
763 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ) {
764 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
765 dst0
[CHAN_Y
] = lp_build_max( &bld
->base
, src0
, bld
->base
.zero
);
767 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) ) {
768 /* XMM[1] = SrcReg[0].yyyy */
769 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
770 /* XMM[1] = max(XMM[1], 0) */
771 tmp1
= lp_build_max( &bld
->base
, tmp1
, bld
->base
.zero
);
772 /* XMM[2] = SrcReg[0].wwww */
773 tmp2
= emit_fetch( bld
, inst
, 0, CHAN_W
);
774 tmp1
= lp_build_pow( &bld
->base
, tmp1
, tmp2
);
775 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
776 tmp2
= lp_build_cmp(&bld
->base
, PIPE_FUNC_GREATER
, tmp0
, bld
->base
.zero
);
777 dst0
[CHAN_Z
] = lp_build_select(&bld
->base
, tmp2
, tmp1
, bld
->base
.zero
);
779 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) ) {
780 dst0
[CHAN_W
] = bld
->base
.one
;
784 case TGSI_OPCODE_RCP
:
785 /* TGSI_OPCODE_RECIP */
786 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
787 res
= lp_build_rcp(&bld
->base
, src0
);
788 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
789 dst0
[chan_index
] = res
;
793 case TGSI_OPCODE_RSQ
:
794 /* TGSI_OPCODE_RECIPSQRT */
795 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
796 src0
= lp_build_abs(&bld
->base
, src0
);
797 res
= lp_build_rsqrt(&bld
->base
, src0
);
798 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
799 dst0
[chan_index
] = res
;
803 case TGSI_OPCODE_EXP
:
804 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
805 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ||
806 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
)) {
807 LLVMValueRef
*p_exp2_int_part
= NULL
;
808 LLVMValueRef
*p_frac_part
= NULL
;
809 LLVMValueRef
*p_exp2
= NULL
;
811 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
813 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
814 p_exp2_int_part
= &tmp0
;
815 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
))
817 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
820 lp_build_exp2_approx(&bld
->base
, src0
, p_exp2_int_part
, p_frac_part
, p_exp2
);
822 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
824 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
))
826 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
830 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
)) {
831 dst0
[CHAN_W
] = bld
->base
.one
;
835 case TGSI_OPCODE_LOG
:
836 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
837 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ||
838 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
)) {
839 LLVMValueRef
*p_floor_log2
= NULL
;
840 LLVMValueRef
*p_exp
= NULL
;
841 LLVMValueRef
*p_log2
= NULL
;
843 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
844 src0
= lp_build_abs( &bld
->base
, src0
);
846 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
847 p_floor_log2
= &tmp0
;
848 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
))
850 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
853 lp_build_log2_approx(&bld
->base
, src0
, p_exp
, p_floor_log2
, p_log2
);
855 /* dst.x = floor(lg2(abs(src.x))) */
856 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
))
858 /* dst.y = abs(src)/ex2(floor(lg2(abs(src.x)))) */
859 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
)) {
860 dst0
[CHAN_Y
] = lp_build_div( &bld
->base
, src0
, tmp1
);
862 /* dst.z = lg2(abs(src.x)) */
863 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
))
867 if (IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
)) {
868 dst0
[CHAN_W
] = bld
->base
.one
;
872 case TGSI_OPCODE_MUL
:
873 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
874 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
875 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
876 dst0
[chan_index
] = lp_build_mul(&bld
->base
, src0
, src1
);
880 case TGSI_OPCODE_ADD
:
881 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
882 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
883 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
884 dst0
[chan_index
] = lp_build_add(&bld
->base
, src0
, src1
);
888 case TGSI_OPCODE_DP3
:
889 /* TGSI_OPCODE_DOT3 */
890 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
891 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
892 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
893 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
894 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
895 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
896 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
897 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
898 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
899 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
900 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
901 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
902 dst0
[chan_index
] = tmp0
;
906 case TGSI_OPCODE_DP4
:
907 /* TGSI_OPCODE_DOT4 */
908 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
909 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
910 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
911 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
912 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
913 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
914 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
915 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
916 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
917 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
918 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
919 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_W
);
920 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_W
);
921 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
922 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
923 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
924 dst0
[chan_index
] = tmp0
;
928 case TGSI_OPCODE_DST
:
929 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) {
930 dst0
[CHAN_X
] = bld
->base
.one
;
932 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) {
933 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
934 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
935 dst0
[CHAN_Y
] = lp_build_mul( &bld
->base
, tmp0
, tmp1
);
937 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) {
938 dst0
[CHAN_Z
] = emit_fetch( bld
, inst
, 0, CHAN_Z
);
940 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) {
941 dst0
[CHAN_W
] = emit_fetch( bld
, inst
, 1, CHAN_W
);
945 case TGSI_OPCODE_MIN
:
946 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
947 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
948 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
949 dst0
[chan_index
] = lp_build_min( &bld
->base
, src0
, src1
);
953 case TGSI_OPCODE_MAX
:
954 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
955 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
956 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
957 dst0
[chan_index
] = lp_build_max( &bld
->base
, src0
, src1
);
961 case TGSI_OPCODE_SLT
:
962 /* TGSI_OPCODE_SETLT */
963 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
964 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
965 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
966 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_LESS
, src0
, src1
);
967 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
971 case TGSI_OPCODE_SGE
:
972 /* TGSI_OPCODE_SETGE */
973 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
974 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
975 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
976 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_GEQUAL
, src0
, src1
);
977 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
981 case TGSI_OPCODE_MAD
:
982 /* TGSI_OPCODE_MADD */
983 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
984 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
985 tmp1
= emit_fetch( bld
, inst
, 1, chan_index
);
986 tmp2
= emit_fetch( bld
, inst
, 2, chan_index
);
987 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
988 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp2
);
989 dst0
[chan_index
] = tmp0
;
993 case TGSI_OPCODE_SUB
:
994 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
995 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
996 tmp1
= emit_fetch( bld
, inst
, 1, chan_index
);
997 dst0
[chan_index
] = lp_build_sub( &bld
->base
, tmp0
, tmp1
);
1001 case TGSI_OPCODE_LRP
:
1002 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1003 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1004 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1005 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1006 tmp0
= lp_build_sub( &bld
->base
, src1
, src2
);
1007 tmp0
= lp_build_mul( &bld
->base
, src0
, tmp0
);
1008 dst0
[chan_index
] = lp_build_add( &bld
->base
, tmp0
, src2
);
1012 case TGSI_OPCODE_CND
:
1013 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1014 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1015 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1016 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1017 tmp1
= lp_build_const_vec(bld
->base
.type
, 0.5);
1018 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_GREATER
, src2
, tmp1
);
1019 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, src0
, src1
);
1023 case TGSI_OPCODE_DP2A
:
1024 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
); /* xmm0 = src[0].x */
1025 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
); /* xmm1 = src[1].x */
1026 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 * xmm1 */
1027 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
); /* xmm1 = src[0].y */
1028 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
); /* xmm2 = src[1].y */
1029 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
); /* xmm1 = xmm1 * xmm2 */
1030 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 + xmm1 */
1031 tmp1
= emit_fetch( bld
, inst
, 2, CHAN_X
); /* xmm1 = src[2].x */
1032 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 + xmm1 */
1033 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1034 dst0
[chan_index
] = tmp0
; /* dest[ch] = xmm0 */
1038 case TGSI_OPCODE_FRC
:
1039 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1040 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1041 tmp0
= lp_build_floor(&bld
->base
, src0
);
1042 tmp0
= lp_build_sub(&bld
->base
, src0
, tmp0
);
1043 dst0
[chan_index
] = tmp0
;
1047 case TGSI_OPCODE_CLAMP
:
1048 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1049 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1050 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1051 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1052 tmp0
= lp_build_max(&bld
->base
, tmp0
, src1
);
1053 tmp0
= lp_build_min(&bld
->base
, tmp0
, src2
);
1054 dst0
[chan_index
] = tmp0
;
1058 case TGSI_OPCODE_FLR
:
1059 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1060 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1061 dst0
[chan_index
] = lp_build_floor(&bld
->base
, tmp0
);
1065 case TGSI_OPCODE_ROUND
:
1066 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1067 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1068 dst0
[chan_index
] = lp_build_round(&bld
->base
, tmp0
);
1072 case TGSI_OPCODE_EX2
: {
1073 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1074 tmp0
= lp_build_exp2( &bld
->base
, tmp0
);
1075 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1076 dst0
[chan_index
] = tmp0
;
1081 case TGSI_OPCODE_LG2
:
1082 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1083 tmp0
= lp_build_log2( &bld
->base
, tmp0
);
1084 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1085 dst0
[chan_index
] = tmp0
;
1089 case TGSI_OPCODE_POW
:
1090 src0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1091 src1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1092 res
= lp_build_pow( &bld
->base
, src0
, src1
);
1093 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1094 dst0
[chan_index
] = res
;
1098 case TGSI_OPCODE_XPD
:
1099 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
1100 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ) {
1101 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
1102 tmp3
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
1104 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) ||
1105 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) ) {
1106 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1107 tmp4
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1109 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) {
1111 tmp2
= lp_build_mul( &bld
->base
, tmp2
, tmp1
);
1113 tmp5
= lp_build_mul( &bld
->base
, tmp5
, tmp4
);
1114 tmp2
= lp_build_sub( &bld
->base
, tmp2
, tmp5
);
1115 dst0
[CHAN_X
] = tmp2
;
1117 if( IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) ||
1118 IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) ) {
1119 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1120 tmp5
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1122 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) {
1123 tmp3
= lp_build_mul( &bld
->base
, tmp3
, tmp2
);
1124 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp5
);
1125 tmp3
= lp_build_sub( &bld
->base
, tmp3
, tmp1
);
1126 dst0
[CHAN_Y
] = tmp3
;
1128 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) {
1129 tmp5
= lp_build_mul( &bld
->base
, tmp5
, tmp4
);
1130 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp2
);
1131 tmp5
= lp_build_sub( &bld
->base
, tmp5
, tmp0
);
1132 dst0
[CHAN_Z
] = tmp5
;
1134 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) {
1135 dst0
[CHAN_W
] = bld
->base
.one
;
1139 case TGSI_OPCODE_ABS
:
1140 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1141 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1142 dst0
[chan_index
] = lp_build_abs( &bld
->base
, tmp0
);
1146 case TGSI_OPCODE_RCC
:
1151 case TGSI_OPCODE_DPH
:
1152 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1153 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
);
1154 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
);
1155 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
);
1156 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
);
1157 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1158 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1159 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Z
);
1160 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Z
);
1161 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
);
1162 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1163 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_W
);
1164 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1165 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1166 dst0
[chan_index
] = tmp0
;
1170 case TGSI_OPCODE_COS
:
1171 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1172 tmp0
= lp_build_cos( &bld
->base
, tmp0
);
1173 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1174 dst0
[chan_index
] = tmp0
;
1178 case TGSI_OPCODE_DDX
:
1179 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1180 emit_fetch_deriv( bld
, inst
, 0, chan_index
, NULL
, &dst0
[chan_index
], NULL
);
1184 case TGSI_OPCODE_DDY
:
1185 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1186 emit_fetch_deriv( bld
, inst
, 0, chan_index
, NULL
, NULL
, &dst0
[chan_index
]);
1190 case TGSI_OPCODE_KILP
:
1191 /* predicated kill */
1196 case TGSI_OPCODE_KIL
:
1197 /* conditional kill */
1198 emit_kil( bld
, inst
);
1201 case TGSI_OPCODE_PK2H
:
1205 case TGSI_OPCODE_PK2US
:
1209 case TGSI_OPCODE_PK4B
:
1213 case TGSI_OPCODE_PK4UB
:
1217 case TGSI_OPCODE_RFL
:
1221 case TGSI_OPCODE_SEQ
:
1222 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1223 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1224 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1225 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_EQUAL
, src0
, src1
);
1226 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1230 case TGSI_OPCODE_SFL
:
1231 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1232 dst0
[chan_index
] = bld
->base
.zero
;
1236 case TGSI_OPCODE_SGT
:
1237 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1238 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1239 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1240 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_GREATER
, src0
, src1
);
1241 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1245 case TGSI_OPCODE_SIN
:
1246 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1247 tmp0
= lp_build_sin( &bld
->base
, tmp0
);
1248 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1249 dst0
[chan_index
] = tmp0
;
1253 case TGSI_OPCODE_SLE
:
1254 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1255 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1256 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1257 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_LEQUAL
, src0
, src1
);
1258 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1262 case TGSI_OPCODE_SNE
:
1263 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1264 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1265 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1266 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_NOTEQUAL
, src0
, src1
);
1267 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, bld
->base
.one
, bld
->base
.zero
);
1271 case TGSI_OPCODE_STR
:
1272 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1273 dst0
[chan_index
] = bld
->base
.one
;
1277 case TGSI_OPCODE_TEX
:
1278 emit_tex( bld
, inst
, FALSE
, FALSE
, dst0
);
1281 case TGSI_OPCODE_TXD
:
1286 case TGSI_OPCODE_UP2H
:
1292 case TGSI_OPCODE_UP2US
:
1298 case TGSI_OPCODE_UP4B
:
1304 case TGSI_OPCODE_UP4UB
:
1310 case TGSI_OPCODE_X2D
:
1316 case TGSI_OPCODE_ARA
:
1323 case TGSI_OPCODE_ARR
:
1325 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1326 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1327 emit_rnd( bld
, 0, 0 );
1328 emit_f2it( bld
, 0 );
1329 dst0
[chan_index
] = tmp0
;
1334 case TGSI_OPCODE_BRA
:
1340 case TGSI_OPCODE_CAL
:
1345 case TGSI_OPCODE_RET
:
1350 case TGSI_OPCODE_END
:
1353 case TGSI_OPCODE_SSG
:
1354 /* TGSI_OPCODE_SGN */
1355 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1356 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1357 dst0
[chan_index
] = lp_build_sgn( &bld
->base
, tmp0
);
1361 case TGSI_OPCODE_CMP
:
1362 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1363 src0
= emit_fetch( bld
, inst
, 0, chan_index
);
1364 src1
= emit_fetch( bld
, inst
, 1, chan_index
);
1365 src2
= emit_fetch( bld
, inst
, 2, chan_index
);
1366 tmp0
= lp_build_cmp( &bld
->base
, PIPE_FUNC_LESS
, src0
, bld
->base
.zero
);
1367 dst0
[chan_index
] = lp_build_select( &bld
->base
, tmp0
, src1
, src2
);
1371 case TGSI_OPCODE_SCS
:
1372 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_X
) {
1373 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1374 dst0
[CHAN_X
] = lp_build_cos( &bld
->base
, tmp0
);
1376 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Y
) {
1377 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
);
1378 dst0
[CHAN_Y
] = lp_build_sin( &bld
->base
, tmp0
);
1380 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_Z
) {
1381 dst0
[CHAN_Z
] = bld
->base
.zero
;
1383 IF_IS_DST0_CHANNEL_ENABLED( inst
, CHAN_W
) {
1384 dst0
[CHAN_W
] = bld
->base
.one
;
1388 case TGSI_OPCODE_TXB
:
1389 emit_tex( bld
, inst
, TRUE
, FALSE
, dst0
);
1392 case TGSI_OPCODE_NRM
:
1394 case TGSI_OPCODE_NRM4
:
1395 /* 3 or 4-component normalization */
1397 uint dims
= (inst
->Instruction
.Opcode
== TGSI_OPCODE_NRM
) ? 3 : 4;
1399 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
) ||
1400 IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Y
) ||
1401 IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Z
) ||
1402 (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_W
) && dims
== 4)) {
1404 /* NOTE: Cannot use xmm regs 2/3 here (see emit_rsqrt() above). */
1407 /* xmm0 = src.x * src.x */
1408 tmp0
= emit_fetch(bld
, inst
, 0, CHAN_X
);
1409 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
)) {
1412 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp0
);
1415 /* xmm0 = xmm0 + src.y * src.y */
1416 tmp1
= emit_fetch(bld
, inst
, 0, CHAN_Y
);
1417 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Y
)) {
1420 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp1
);
1421 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1424 /* xmm0 = xmm0 + src.z * src.z */
1425 tmp1
= emit_fetch(bld
, inst
, 0, CHAN_Z
);
1426 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Z
)) {
1429 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp1
);
1430 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1434 /* xmm0 = xmm0 + src.w * src.w */
1435 tmp1
= emit_fetch(bld
, inst
, 0, CHAN_W
);
1436 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_W
)) {
1439 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp1
);
1440 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
);
1443 /* xmm1 = 1 / sqrt(xmm0) */
1444 tmp1
= lp_build_rsqrt( &bld
->base
, tmp0
);
1446 /* dst.x = xmm1 * src.x */
1447 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
)) {
1448 dst0
[CHAN_X
] = lp_build_mul( &bld
->base
, tmp4
, tmp1
);
1451 /* dst.y = xmm1 * src.y */
1452 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Y
)) {
1453 dst0
[CHAN_Y
] = lp_build_mul( &bld
->base
, tmp5
, tmp1
);
1456 /* dst.z = xmm1 * src.z */
1457 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_Z
)) {
1458 dst0
[CHAN_Z
] = lp_build_mul( &bld
->base
, tmp6
, tmp1
);
1461 /* dst.w = xmm1 * src.w */
1462 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_X
) && dims
== 4) {
1463 dst0
[CHAN_W
] = lp_build_mul( &bld
->base
, tmp7
, tmp1
);
1468 if (IS_DST0_CHANNEL_ENABLED(inst
, CHAN_W
) && dims
== 3) {
1469 dst0
[CHAN_W
] = bld
->base
.one
;
1474 case TGSI_OPCODE_DIV
:
1480 case TGSI_OPCODE_DP2
:
1481 tmp0
= emit_fetch( bld
, inst
, 0, CHAN_X
); /* xmm0 = src[0].x */
1482 tmp1
= emit_fetch( bld
, inst
, 1, CHAN_X
); /* xmm1 = src[1].x */
1483 tmp0
= lp_build_mul( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 * xmm1 */
1484 tmp1
= emit_fetch( bld
, inst
, 0, CHAN_Y
); /* xmm1 = src[0].y */
1485 tmp2
= emit_fetch( bld
, inst
, 1, CHAN_Y
); /* xmm2 = src[1].y */
1486 tmp1
= lp_build_mul( &bld
->base
, tmp1
, tmp2
); /* xmm1 = xmm1 * xmm2 */
1487 tmp0
= lp_build_add( &bld
->base
, tmp0
, tmp1
); /* xmm0 = xmm0 + xmm1 */
1488 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1489 dst0
[chan_index
] = tmp0
; /* dest[ch] = xmm0 */
1493 case TGSI_OPCODE_TXL
:
1494 emit_tex( bld
, inst
, TRUE
, FALSE
, dst0
);
1497 case TGSI_OPCODE_TXP
:
1498 emit_tex( bld
, inst
, FALSE
, TRUE
, dst0
);
1501 case TGSI_OPCODE_BRK
:
1502 lp_exec_break(&bld
->exec_mask
);
1505 case TGSI_OPCODE_IF
:
1506 tmp0
= emit_fetch(bld
, inst
, 0, CHAN_X
);
1507 tmp0
= lp_build_cmp(&bld
->base
, PIPE_FUNC_NOTEQUAL
,
1508 tmp0
, bld
->base
.zero
);
1509 lp_exec_mask_cond_push(&bld
->exec_mask
, tmp0
);
1512 case TGSI_OPCODE_BGNFOR
:
1518 case TGSI_OPCODE_BGNLOOP
:
1519 lp_exec_bgnloop(&bld
->exec_mask
);
1522 case TGSI_OPCODE_REP
:
1528 case TGSI_OPCODE_ELSE
:
1529 lp_exec_mask_cond_invert(&bld
->exec_mask
);
1532 case TGSI_OPCODE_ENDIF
:
1533 lp_exec_mask_cond_pop(&bld
->exec_mask
);
1536 case TGSI_OPCODE_ENDFOR
:
1542 case TGSI_OPCODE_ENDLOOP
:
1543 lp_exec_endloop(&bld
->exec_mask
);
1546 case TGSI_OPCODE_ENDREP
:
1552 case TGSI_OPCODE_PUSHA
:
1558 case TGSI_OPCODE_POPA
:
1564 case TGSI_OPCODE_CEIL
:
1565 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1566 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1567 dst0
[chan_index
] = lp_build_ceil(&bld
->base
, tmp0
);
1571 case TGSI_OPCODE_I2F
:
1577 case TGSI_OPCODE_NOT
:
1583 case TGSI_OPCODE_TRUNC
:
1584 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1585 tmp0
= emit_fetch( bld
, inst
, 0, chan_index
);
1586 dst0
[chan_index
] = lp_build_trunc(&bld
->base
, tmp0
);
1590 case TGSI_OPCODE_SHL
:
1596 case TGSI_OPCODE_ISHR
:
1602 case TGSI_OPCODE_AND
:
1608 case TGSI_OPCODE_OR
:
1614 case TGSI_OPCODE_MOD
:
1620 case TGSI_OPCODE_XOR
:
1626 case TGSI_OPCODE_SAD
:
1632 case TGSI_OPCODE_TXF
:
1638 case TGSI_OPCODE_TXQ
:
1644 case TGSI_OPCODE_CONT
:
1645 lp_exec_continue(&bld
->exec_mask
);
1648 case TGSI_OPCODE_EMIT
:
1652 case TGSI_OPCODE_ENDPRIM
:
1656 case TGSI_OPCODE_NOP
:
1664 FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
1665 emit_store( bld
, inst
, 0, chan_index
, dst0
[chan_index
]);
1674 lp_build_tgsi_soa(LLVMBuilderRef builder
,
1675 const struct tgsi_token
*tokens
,
1676 struct lp_type type
,
1677 struct lp_build_mask_context
*mask
,
1678 LLVMValueRef consts_ptr
,
1679 const LLVMValueRef
*pos
,
1680 const LLVMValueRef (*inputs
)[NUM_CHANNELS
],
1681 LLVMValueRef (*outputs
)[NUM_CHANNELS
],
1682 struct lp_build_sampler_soa
*sampler
)
1684 struct lp_build_tgsi_soa_context bld
;
1685 struct tgsi_parse_context parse
;
1686 uint num_immediates
= 0;
1689 /* Setup build context */
1690 memset(&bld
, 0, sizeof bld
);
1691 lp_build_context_init(&bld
.base
, builder
, type
);
1694 bld
.inputs
= inputs
;
1695 bld
.outputs
= outputs
;
1696 bld
.consts_ptr
= consts_ptr
;
1697 bld
.sampler
= sampler
;
1699 lp_exec_mask_init(&bld
.exec_mask
, &bld
.base
);
1701 tgsi_parse_init( &parse
, tokens
);
1703 while( !tgsi_parse_end_of_tokens( &parse
) ) {
1704 tgsi_parse_token( &parse
);
1706 switch( parse
.FullToken
.Token
.Type
) {
1707 case TGSI_TOKEN_TYPE_DECLARATION
:
1708 /* Inputs already interpolated */
1710 if (!emit_declaration( &bld
, &parse
.FullToken
.FullDeclaration
))
1711 _debug_printf("warning: failed to define LLVM variable\n");
1715 case TGSI_TOKEN_TYPE_INSTRUCTION
:
1717 unsigned opcode
= parse
.FullToken
.FullInstruction
.Instruction
.Opcode
;
1718 const struct tgsi_opcode_info
*info
= tgsi_get_opcode_info(opcode
);
1719 if (!emit_instruction( &bld
, &parse
.FullToken
.FullInstruction
, info
))
1720 _debug_printf("warning: failed to translate tgsi opcode %s to LLVM\n",
1721 info
? info
->mnemonic
: "<invalid>");
1726 case TGSI_TOKEN_TYPE_IMMEDIATE
:
1727 /* simply copy the immediate values into the next immediates[] slot */
1729 const uint size
= parse
.FullToken
.FullImmediate
.Immediate
.NrTokens
- 1;
1731 assert(num_immediates
< LP_MAX_IMMEDIATES
);
1732 for( i
= 0; i
< size
; ++i
)
1733 bld
.immediates
[num_immediates
][i
] =
1734 lp_build_const_vec(type
, parse
.FullToken
.FullImmediate
.u
[i
].Float
);
1735 for( i
= size
; i
< 4; ++i
)
1736 bld
.immediates
[num_immediates
][i
] = bld
.base
.undef
;
1741 case TGSI_TOKEN_TYPE_PROPERTY
:
1749 LLVMBasicBlockRef block
= LLVMGetInsertBlock(builder
);
1750 LLVMValueRef function
= LLVMGetBasicBlockParent(block
);
1751 debug_printf("11111111111111111111111111111 \n");
1752 tgsi_dump(tokens
, 0);
1753 LLVMDumpValue(function
);
1754 debug_printf("2222222222222222222222222222 \n");
1756 tgsi_parse_free( &parse
);