1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
4 * Copyright 2007-2008 VMware, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
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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
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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_exec.h"
46 #include "tgsi/tgsi_info.h"
47 #include "tgsi/tgsi_parse.h"
48 #include "tgsi/tgsi_util.h"
49 #include "tgsi/tgsi_scan.h"
50 #include "tgsi/tgsi_strings.h"
51 #include "lp_bld_tgsi_action.h"
52 #include "lp_bld_type.h"
53 #include "lp_bld_const.h"
54 #include "lp_bld_arit.h"
55 #include "lp_bld_bitarit.h"
56 #include "lp_bld_gather.h"
57 #include "lp_bld_init.h"
58 #include "lp_bld_logic.h"
59 #include "lp_bld_swizzle.h"
60 #include "lp_bld_flow.h"
61 #include "lp_bld_quad.h"
62 #include "lp_bld_tgsi.h"
63 #include "lp_bld_limits.h"
64 #include "lp_bld_debug.h"
65 #include "lp_bld_printf.h"
66 #include "lp_bld_sample.h"
67 #include "lp_bld_struct.h"
69 /* SM 4.0 says that subroutines can nest 32 deep and
70 * we need one more for our main function */
71 #define LP_MAX_NUM_FUNCS 33
73 #define DUMP_GS_EMITS 0
76 * If non-zero, the generated LLVM IR will print intermediate results on every TGSI
80 * - take execution masks in consideration
81 * - debug control-flow instructions
83 #define DEBUG_EXECUTION 0
87 * Emit code to print a register value.
90 emit_dump_reg(struct gallivm_state
*gallivm
,
98 util_snprintf(buf
, sizeof buf
, " %s[%u].%c = ",
100 index
, "xyzw"[chan
]);
102 lp_build_print_value(gallivm
, buf
, value
);
106 * Return the context for the current function.
107 * (always 'main', if shader doesn't do any function calls)
109 static inline struct function_ctx
*
110 func_ctx(struct lp_exec_mask
*mask
)
112 assert(mask
->function_stack_size
> 0);
113 assert(mask
->function_stack_size
<= LP_MAX_NUM_FUNCS
);
114 return &mask
->function_stack
[mask
->function_stack_size
- 1];
118 * Returns true if we're in a loop.
119 * It's global, meaning that it returns true even if there's
120 * no loop inside the current function, but we were inside
121 * a loop inside another function, from which this one was called.
123 static inline boolean
124 mask_has_loop(struct lp_exec_mask
*mask
)
127 for (i
= mask
->function_stack_size
- 1; i
>= 0; --i
) {
128 const struct function_ctx
*ctx
= &mask
->function_stack
[i
];
129 if (ctx
->loop_stack_size
> 0)
136 * Returns true if we're inside a switch statement.
137 * It's global, meaning that it returns true even if there's
138 * no switch in the current function, but we were inside
139 * a switch inside another function, from which this one was called.
141 static inline boolean
142 mask_has_switch(struct lp_exec_mask
*mask
)
145 for (i
= mask
->function_stack_size
- 1; i
>= 0; --i
) {
146 const struct function_ctx
*ctx
= &mask
->function_stack
[i
];
147 if (ctx
->switch_stack_size
> 0)
154 * Returns true if we're inside a conditional.
155 * It's global, meaning that it returns true even if there's
156 * no conditional in the current function, but we were inside
157 * a conditional inside another function, from which this one was called.
159 static inline boolean
160 mask_has_cond(struct lp_exec_mask
*mask
)
163 for (i
= mask
->function_stack_size
- 1; i
>= 0; --i
) {
164 const struct function_ctx
*ctx
= &mask
->function_stack
[i
];
165 if (ctx
->cond_stack_size
> 0)
173 * Initialize a function context at the specified index.
176 lp_exec_mask_function_init(struct lp_exec_mask
*mask
, int function_idx
)
178 LLVMTypeRef int_type
= LLVMInt32TypeInContext(mask
->bld
->gallivm
->context
);
179 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
180 struct function_ctx
*ctx
= &mask
->function_stack
[function_idx
];
182 ctx
->cond_stack_size
= 0;
183 ctx
->loop_stack_size
= 0;
184 ctx
->switch_stack_size
= 0;
186 if (function_idx
== 0) {
187 ctx
->ret_mask
= mask
->ret_mask
;
190 ctx
->loop_limiter
= lp_build_alloca(mask
->bld
->gallivm
,
191 int_type
, "looplimiter");
194 LLVMConstInt(int_type
, LP_MAX_TGSI_LOOP_ITERATIONS
, false),
198 static void lp_exec_mask_init(struct lp_exec_mask
*mask
, struct lp_build_context
*bld
)
201 mask
->has_mask
= FALSE
;
202 mask
->ret_in_main
= FALSE
;
203 /* For the main function */
204 mask
->function_stack_size
= 1;
206 mask
->int_vec_type
= lp_build_int_vec_type(bld
->gallivm
, mask
->bld
->type
);
207 mask
->exec_mask
= mask
->ret_mask
= mask
->break_mask
= mask
->cont_mask
=
208 mask
->cond_mask
= mask
->switch_mask
=
209 LLVMConstAllOnes(mask
->int_vec_type
);
211 mask
->function_stack
= CALLOC(LP_MAX_NUM_FUNCS
,
212 sizeof(mask
->function_stack
[0]));
213 lp_exec_mask_function_init(mask
, 0);
217 lp_exec_mask_fini(struct lp_exec_mask
*mask
)
219 FREE(mask
->function_stack
);
222 static void lp_exec_mask_update(struct lp_exec_mask
*mask
)
224 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
225 boolean has_loop_mask
= mask_has_loop(mask
);
226 boolean has_cond_mask
= mask_has_cond(mask
);
227 boolean has_switch_mask
= mask_has_switch(mask
);
228 boolean has_ret_mask
= mask
->function_stack_size
> 1 ||
232 /*for loops we need to update the entire mask at runtime */
234 assert(mask
->break_mask
);
235 tmp
= LLVMBuildAnd(builder
,
239 mask
->exec_mask
= LLVMBuildAnd(builder
,
244 mask
->exec_mask
= mask
->cond_mask
;
246 if (has_switch_mask
) {
247 mask
->exec_mask
= LLVMBuildAnd(builder
,
254 mask
->exec_mask
= LLVMBuildAnd(builder
,
260 mask
->has_mask
= (has_cond_mask
||
266 static void lp_exec_mask_cond_push(struct lp_exec_mask
*mask
,
269 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
270 struct function_ctx
*ctx
= func_ctx(mask
);
272 if (ctx
->cond_stack_size
>= LP_MAX_TGSI_NESTING
) {
273 ctx
->cond_stack_size
++;
276 if (ctx
->cond_stack_size
== 0 && mask
->function_stack_size
== 1) {
277 assert(mask
->cond_mask
== LLVMConstAllOnes(mask
->int_vec_type
));
279 ctx
->cond_stack
[ctx
->cond_stack_size
++] = mask
->cond_mask
;
280 assert(LLVMTypeOf(val
) == mask
->int_vec_type
);
281 mask
->cond_mask
= LLVMBuildAnd(builder
,
285 lp_exec_mask_update(mask
);
288 static void lp_exec_mask_cond_invert(struct lp_exec_mask
*mask
)
290 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
291 struct function_ctx
*ctx
= func_ctx(mask
);
292 LLVMValueRef prev_mask
;
293 LLVMValueRef inv_mask
;
295 assert(ctx
->cond_stack_size
);
296 if (ctx
->cond_stack_size
>= LP_MAX_TGSI_NESTING
)
298 prev_mask
= ctx
->cond_stack
[ctx
->cond_stack_size
- 1];
299 if (ctx
->cond_stack_size
== 1 && mask
->function_stack_size
== 1) {
300 assert(prev_mask
== LLVMConstAllOnes(mask
->int_vec_type
));
303 inv_mask
= LLVMBuildNot(builder
, mask
->cond_mask
, "");
305 mask
->cond_mask
= LLVMBuildAnd(builder
,
308 lp_exec_mask_update(mask
);
311 static void lp_exec_mask_cond_pop(struct lp_exec_mask
*mask
)
313 struct function_ctx
*ctx
= func_ctx(mask
);
314 assert(ctx
->cond_stack_size
);
315 --ctx
->cond_stack_size
;
316 if (ctx
->cond_stack_size
>= LP_MAX_TGSI_NESTING
)
318 mask
->cond_mask
= ctx
->cond_stack
[ctx
->cond_stack_size
];
319 lp_exec_mask_update(mask
);
322 static void lp_exec_bgnloop(struct lp_exec_mask
*mask
)
324 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
325 struct function_ctx
*ctx
= func_ctx(mask
);
327 if (ctx
->loop_stack_size
>= LP_MAX_TGSI_NESTING
) {
328 ++ctx
->loop_stack_size
;
332 ctx
->break_type_stack
[ctx
->loop_stack_size
+ ctx
->switch_stack_size
] =
334 ctx
->break_type
= LP_EXEC_MASK_BREAK_TYPE_LOOP
;
336 ctx
->loop_stack
[ctx
->loop_stack_size
].loop_block
= ctx
->loop_block
;
337 ctx
->loop_stack
[ctx
->loop_stack_size
].cont_mask
= mask
->cont_mask
;
338 ctx
->loop_stack
[ctx
->loop_stack_size
].break_mask
= mask
->break_mask
;
339 ctx
->loop_stack
[ctx
->loop_stack_size
].break_var
= ctx
->break_var
;
340 ++ctx
->loop_stack_size
;
342 ctx
->break_var
= lp_build_alloca(mask
->bld
->gallivm
, mask
->int_vec_type
, "");
343 LLVMBuildStore(builder
, mask
->break_mask
, ctx
->break_var
);
345 ctx
->loop_block
= lp_build_insert_new_block(mask
->bld
->gallivm
, "bgnloop");
347 LLVMBuildBr(builder
, ctx
->loop_block
);
348 LLVMPositionBuilderAtEnd(builder
, ctx
->loop_block
);
350 mask
->break_mask
= LLVMBuildLoad(builder
, ctx
->break_var
, "");
352 lp_exec_mask_update(mask
);
355 static void lp_exec_break(struct lp_exec_mask
*mask
,
356 struct lp_build_tgsi_context
* bld_base
)
358 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
359 struct function_ctx
*ctx
= func_ctx(mask
);
361 if (ctx
->break_type
== LP_EXEC_MASK_BREAK_TYPE_LOOP
) {
362 LLVMValueRef exec_mask
= LLVMBuildNot(builder
,
366 mask
->break_mask
= LLVMBuildAnd(builder
,
368 exec_mask
, "break_full");
371 unsigned opcode
= bld_base
->instructions
[bld_base
->pc
+ 1].Instruction
.Opcode
;
372 boolean break_always
= (opcode
== TGSI_OPCODE_ENDSWITCH
||
373 opcode
== TGSI_OPCODE_CASE
);
376 if (ctx
->switch_in_default
) {
378 * stop default execution but only if this is an unconditional switch.
379 * (The condition here is not perfect since dead code after break is
380 * allowed but should be sufficient since false negatives are just
381 * unoptimized - so we don't have to pre-evaluate that).
383 if(break_always
&& ctx
->switch_pc
) {
384 bld_base
->pc
= ctx
->switch_pc
;
390 mask
->switch_mask
= LLVMConstNull(mask
->bld
->int_vec_type
);
393 LLVMValueRef exec_mask
= LLVMBuildNot(builder
,
396 mask
->switch_mask
= LLVMBuildAnd(builder
,
398 exec_mask
, "break_switch");
402 lp_exec_mask_update(mask
);
405 static void lp_exec_break_condition(struct lp_exec_mask
*mask
,
408 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
409 struct function_ctx
*ctx
= func_ctx(mask
);
410 LLVMValueRef cond_mask
= LLVMBuildAnd(builder
,
413 cond_mask
= LLVMBuildNot(builder
, cond_mask
, "break_cond");
415 if (ctx
->break_type
== LP_EXEC_MASK_BREAK_TYPE_LOOP
) {
416 mask
->break_mask
= LLVMBuildAnd(builder
,
418 cond_mask
, "breakc_full");
421 mask
->switch_mask
= LLVMBuildAnd(builder
,
423 cond_mask
, "breakc_switch");
426 lp_exec_mask_update(mask
);
429 static void lp_exec_continue(struct lp_exec_mask
*mask
)
431 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
432 LLVMValueRef exec_mask
= LLVMBuildNot(builder
,
436 mask
->cont_mask
= LLVMBuildAnd(builder
,
440 lp_exec_mask_update(mask
);
444 static void lp_exec_endloop(struct gallivm_state
*gallivm
,
445 struct lp_exec_mask
*mask
)
447 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
448 struct function_ctx
*ctx
= func_ctx(mask
);
449 LLVMBasicBlockRef endloop
;
450 LLVMTypeRef int_type
= LLVMInt32TypeInContext(mask
->bld
->gallivm
->context
);
451 LLVMTypeRef reg_type
= LLVMIntTypeInContext(gallivm
->context
,
452 mask
->bld
->type
.width
*
453 mask
->bld
->type
.length
);
454 LLVMValueRef i1cond
, i2cond
, icond
, limiter
;
456 assert(mask
->break_mask
);
459 assert(ctx
->loop_stack_size
);
460 if (ctx
->loop_stack_size
> LP_MAX_TGSI_NESTING
) {
461 --ctx
->loop_stack_size
;
466 * Restore the cont_mask, but don't pop
468 mask
->cont_mask
= ctx
->loop_stack
[ctx
->loop_stack_size
- 1].cont_mask
;
469 lp_exec_mask_update(mask
);
472 * Unlike the continue mask, the break_mask must be preserved across loop
475 LLVMBuildStore(builder
, mask
->break_mask
, ctx
->break_var
);
477 /* Decrement the loop limiter */
478 limiter
= LLVMBuildLoad(builder
, ctx
->loop_limiter
, "");
480 limiter
= LLVMBuildSub(
483 LLVMConstInt(int_type
, 1, false),
486 LLVMBuildStore(builder
, limiter
, ctx
->loop_limiter
);
488 /* i1cond = (mask != 0) */
489 i1cond
= LLVMBuildICmp(
492 LLVMBuildBitCast(builder
, mask
->exec_mask
, reg_type
, ""),
493 LLVMConstNull(reg_type
), "i1cond");
495 /* i2cond = (looplimiter > 0) */
496 i2cond
= LLVMBuildICmp(
500 LLVMConstNull(int_type
), "i2cond");
502 /* if( i1cond && i2cond ) */
503 icond
= LLVMBuildAnd(builder
, i1cond
, i2cond
, "");
505 endloop
= lp_build_insert_new_block(mask
->bld
->gallivm
, "endloop");
507 LLVMBuildCondBr(builder
,
508 icond
, ctx
->loop_block
, endloop
);
510 LLVMPositionBuilderAtEnd(builder
, endloop
);
512 assert(ctx
->loop_stack_size
);
513 --ctx
->loop_stack_size
;
514 mask
->cont_mask
= ctx
->loop_stack
[ctx
->loop_stack_size
].cont_mask
;
515 mask
->break_mask
= ctx
->loop_stack
[ctx
->loop_stack_size
].break_mask
;
516 ctx
->loop_block
= ctx
->loop_stack
[ctx
->loop_stack_size
].loop_block
;
517 ctx
->break_var
= ctx
->loop_stack
[ctx
->loop_stack_size
].break_var
;
518 ctx
->break_type
= ctx
->break_type_stack
[ctx
->loop_stack_size
+
519 ctx
->switch_stack_size
];
521 lp_exec_mask_update(mask
);
524 static void lp_exec_switch(struct lp_exec_mask
*mask
,
525 LLVMValueRef switchval
)
527 struct function_ctx
*ctx
= func_ctx(mask
);
529 if (ctx
->switch_stack_size
>= LP_MAX_TGSI_NESTING
||
530 ctx
->loop_stack_size
> LP_MAX_TGSI_NESTING
) {
531 ctx
->switch_stack_size
++;
535 ctx
->break_type_stack
[ctx
->loop_stack_size
+ ctx
->switch_stack_size
] =
537 ctx
->break_type
= LP_EXEC_MASK_BREAK_TYPE_SWITCH
;
539 ctx
->switch_stack
[ctx
->switch_stack_size
].switch_mask
= mask
->switch_mask
;
540 ctx
->switch_stack
[ctx
->switch_stack_size
].switch_val
= ctx
->switch_val
;
541 ctx
->switch_stack
[ctx
->switch_stack_size
].switch_mask_default
= ctx
->switch_mask_default
;
542 ctx
->switch_stack
[ctx
->switch_stack_size
].switch_in_default
= ctx
->switch_in_default
;
543 ctx
->switch_stack
[ctx
->switch_stack_size
].switch_pc
= ctx
->switch_pc
;
544 ctx
->switch_stack_size
++;
546 mask
->switch_mask
= LLVMConstNull(mask
->int_vec_type
);
547 ctx
->switch_val
= switchval
;
548 ctx
->switch_mask_default
= LLVMConstNull(mask
->int_vec_type
);
549 ctx
->switch_in_default
= false;
552 lp_exec_mask_update(mask
);
555 static void lp_exec_endswitch(struct lp_exec_mask
*mask
,
556 struct lp_build_tgsi_context
* bld_base
)
558 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
559 struct function_ctx
*ctx
= func_ctx(mask
);
561 if (ctx
->switch_stack_size
> LP_MAX_TGSI_NESTING
) {
562 ctx
->switch_stack_size
--;
566 /* check if there's deferred default if so do it now */
567 if (ctx
->switch_pc
&& !ctx
->switch_in_default
) {
568 LLVMValueRef prevmask
, defaultmask
;
570 prevmask
= ctx
->switch_stack
[ctx
->switch_stack_size
- 1].switch_mask
;
571 defaultmask
= LLVMBuildNot(builder
, ctx
->switch_mask_default
, "sw_default_mask");
572 mask
->switch_mask
= LLVMBuildAnd(builder
, prevmask
, defaultmask
, "sw_mask");
573 ctx
->switch_in_default
= true;
575 lp_exec_mask_update(mask
);
577 assert(bld_base
->instructions
[ctx
->switch_pc
- 1].Instruction
.Opcode
==
578 TGSI_OPCODE_DEFAULT
);
580 tmp_pc
= bld_base
->pc
;
581 bld_base
->pc
= ctx
->switch_pc
;
583 * re-purpose switch_pc to point to here again, since we stop execution of
584 * the deferred default after next break.
586 ctx
->switch_pc
= tmp_pc
- 1;
591 else if (ctx
->switch_pc
&& ctx
->switch_in_default
) {
592 assert(bld_base
->pc
== ctx
->switch_pc
+ 1);
595 ctx
->switch_stack_size
--;
596 mask
->switch_mask
= ctx
->switch_stack
[ctx
->switch_stack_size
].switch_mask
;
597 ctx
->switch_val
= ctx
->switch_stack
[ctx
->switch_stack_size
].switch_val
;
598 ctx
->switch_mask_default
= ctx
->switch_stack
[ctx
->switch_stack_size
].switch_mask_default
;
599 ctx
->switch_in_default
= ctx
->switch_stack
[ctx
->switch_stack_size
].switch_in_default
;
600 ctx
->switch_pc
= ctx
->switch_stack
[ctx
->switch_stack_size
].switch_pc
;
602 ctx
->break_type
= ctx
->break_type_stack
[ctx
->loop_stack_size
+ ctx
->switch_stack_size
];
604 lp_exec_mask_update(mask
);
607 static void lp_exec_case(struct lp_exec_mask
*mask
,
608 LLVMValueRef caseval
)
610 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
611 struct function_ctx
*ctx
= func_ctx(mask
);
613 LLVMValueRef casemask
, prevmask
;
615 if (ctx
->switch_stack_size
> LP_MAX_TGSI_NESTING
) {
619 /* skipping case mask evaluation here is NOT optional (not in all cases anyway). */
620 if (!ctx
->switch_in_default
) {
621 prevmask
= ctx
->switch_stack
[ctx
->switch_stack_size
- 1].switch_mask
;
622 casemask
= lp_build_cmp(mask
->bld
, PIPE_FUNC_EQUAL
, caseval
, ctx
->switch_val
);
623 ctx
->switch_mask_default
= LLVMBuildOr(builder
, casemask
,
624 ctx
->switch_mask_default
, "sw_default_mask");
625 casemask
= LLVMBuildOr(builder
, casemask
, mask
->switch_mask
, "");
626 mask
->switch_mask
= LLVMBuildAnd(builder
, casemask
, prevmask
, "sw_mask");
628 lp_exec_mask_update(mask
);
633 * Analyse default statement in a switch.
634 * \return true if default is last statement, false otherwise
635 * \param default_pc_start contains pc of instruction to jump to
636 * if default wasn't last but there's no
637 * fallthrough into default.
639 static boolean
default_analyse_is_last(struct lp_exec_mask
*mask
,
640 struct lp_build_tgsi_context
* bld_base
,
641 int *default_pc_start
)
643 unsigned pc
= bld_base
->pc
;
644 struct function_ctx
*ctx
= func_ctx(mask
);
645 int curr_switch_stack
= ctx
->switch_stack_size
;
647 if (ctx
->switch_stack_size
> LP_MAX_TGSI_NESTING
) {
651 /* skip over case statements which are together with default */
652 while (bld_base
->instructions
[pc
].Instruction
.Opcode
== TGSI_OPCODE_CASE
) {
656 while (pc
!= ~0u && pc
< bld_base
->num_instructions
) {
657 unsigned opcode
= bld_base
->instructions
[pc
].Instruction
.Opcode
;
659 case TGSI_OPCODE_CASE
:
660 if (curr_switch_stack
== ctx
->switch_stack_size
) {
661 *default_pc_start
= pc
- 1;
665 case TGSI_OPCODE_SWITCH
:
668 case TGSI_OPCODE_ENDSWITCH
:
669 if (curr_switch_stack
== ctx
->switch_stack_size
) {
670 *default_pc_start
= pc
- 1;
678 /* should never arrive here */
683 static void lp_exec_default(struct lp_exec_mask
*mask
,
684 struct lp_build_tgsi_context
* bld_base
)
686 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
687 struct function_ctx
*ctx
= func_ctx(mask
);
690 boolean default_is_last
;
692 if (ctx
->switch_stack_size
> LP_MAX_TGSI_NESTING
) {
697 * This is a messy opcode, because it may not be always at the end and
698 * there can be fallthrough in and out of it.
701 default_is_last
= default_analyse_is_last(mask
, bld_base
, &default_exec_pc
);
703 * If it is last statement in switch (note that case statements appearing
704 * "at the same time" as default don't change that) everything is just fine,
705 * update switch mask and go on. This means we can handle default with
706 * fallthrough INTO it without overhead, if it is last.
708 if (default_is_last
) {
709 LLVMValueRef prevmask
, defaultmask
;
710 prevmask
= ctx
->switch_stack
[ctx
->switch_stack_size
- 1].switch_mask
;
711 defaultmask
= LLVMBuildNot(builder
, ctx
->switch_mask_default
, "sw_default_mask");
712 defaultmask
= LLVMBuildOr(builder
, defaultmask
, mask
->switch_mask
, "");
713 mask
->switch_mask
= LLVMBuildAnd(builder
, prevmask
, defaultmask
, "sw_mask");
714 ctx
->switch_in_default
= true;
716 lp_exec_mask_update(mask
);
720 * Technically, "case" immediately before default isn't really a
721 * fallthrough, however we still have to count them as such as we
722 * already have updated the masks.
723 * If that happens in practice could add a switch optimizer pass
724 * which just gets rid of all case statements appearing together with
725 * default (or could do switch analysis at switch start time instead).
727 unsigned opcode
= bld_base
->instructions
[bld_base
->pc
- 1].Instruction
.Opcode
;
728 boolean ft_into
= (opcode
!= TGSI_OPCODE_BRK
&&
729 opcode
!= TGSI_OPCODE_SWITCH
);
731 * If it is not last statement and there was no fallthrough into it,
732 * we record the PC and continue execution at next case (again, those
733 * case encountered at the same time don't count). At endswitch
734 * time, we update switchmask, and go back executing the code we skipped
735 * until the next break (possibly re-executing some code with changed mask
736 * if there was a fallthrough out of default).
737 * Finally, if it is not last statement and there was a fallthrough into it,
738 * do the same as with the former case, except instead of skipping the code
739 * just execute it without updating the mask, then go back and re-execute.
741 ctx
->switch_pc
= bld_base
->pc
;
743 bld_base
->pc
= default_exec_pc
;
749 /* stores val into an address pointed to by dst_ptr.
750 * mask->exec_mask is used to figure out which bits of val
751 * should be stored into the address
752 * (0 means don't store this bit, 1 means do store).
754 static void lp_exec_mask_store(struct lp_exec_mask
*mask
,
755 struct lp_build_context
*bld_store
,
758 LLVMValueRef dst_ptr
)
760 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
762 assert(lp_check_value(bld_store
->type
, val
));
763 assert(LLVMGetTypeKind(LLVMTypeOf(dst_ptr
)) == LLVMPointerTypeKind
);
764 assert(LLVMGetElementType(LLVMTypeOf(dst_ptr
)) == LLVMTypeOf(val
));
766 /* Mix the predicate and execution mask */
767 if (mask
->has_mask
) {
769 pred
= LLVMBuildAnd(builder
, pred
, mask
->exec_mask
, "");
771 pred
= mask
->exec_mask
;
776 LLVMValueRef res
, dst
;
778 dst
= LLVMBuildLoad(builder
, dst_ptr
, "");
779 res
= lp_build_select(bld_store
, pred
, val
, dst
);
780 LLVMBuildStore(builder
, res
, dst_ptr
);
782 LLVMBuildStore(builder
, val
, dst_ptr
);
785 static void lp_exec_mask_call(struct lp_exec_mask
*mask
,
789 if (mask
->function_stack_size
>= LP_MAX_NUM_FUNCS
) {
793 lp_exec_mask_function_init(mask
, mask
->function_stack_size
);
794 mask
->function_stack
[mask
->function_stack_size
].pc
= *pc
;
795 mask
->function_stack
[mask
->function_stack_size
].ret_mask
= mask
->ret_mask
;
796 mask
->function_stack_size
++;
800 static void lp_exec_mask_ret(struct lp_exec_mask
*mask
, int *pc
)
802 LLVMBuilderRef builder
= mask
->bld
->gallivm
->builder
;
803 struct function_ctx
*ctx
= func_ctx(mask
);
804 LLVMValueRef exec_mask
;
806 if (ctx
->cond_stack_size
== 0 &&
807 ctx
->loop_stack_size
== 0 &&
808 ctx
->switch_stack_size
== 0 &&
809 mask
->function_stack_size
== 1) {
810 /* returning from main() */
815 if (mask
->function_stack_size
== 1) {
817 * This requires special handling since we need to ensure
818 * we don't drop the mask even if we have no call stack
819 * (e.g. after a ret in a if clause after the endif)
821 mask
->ret_in_main
= TRUE
;
824 exec_mask
= LLVMBuildNot(builder
,
828 mask
->ret_mask
= LLVMBuildAnd(builder
,
830 exec_mask
, "ret_full");
832 lp_exec_mask_update(mask
);
835 static void lp_exec_mask_bgnsub(struct lp_exec_mask
*mask
)
839 static void lp_exec_mask_endsub(struct lp_exec_mask
*mask
, int *pc
)
841 struct function_ctx
*ctx
;
843 assert(mask
->function_stack_size
> 1);
844 assert(mask
->function_stack_size
<= LP_MAX_NUM_FUNCS
);
846 ctx
= func_ctx(mask
);
847 mask
->function_stack_size
--;
850 mask
->ret_mask
= ctx
->ret_mask
;
852 lp_exec_mask_update(mask
);
857 get_file_ptr(struct lp_build_tgsi_soa_context
*bld
,
862 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
863 LLVMValueRef (*array_of_vars
)[TGSI_NUM_CHANNELS
];
864 LLVMValueRef var_of_array
;
867 case TGSI_FILE_TEMPORARY
:
868 array_of_vars
= bld
->temps
;
869 var_of_array
= bld
->temps_array
;
871 case TGSI_FILE_OUTPUT
:
872 array_of_vars
= bld
->outputs
;
873 var_of_array
= bld
->outputs_array
;
882 if (bld
->indirect_files
& (1 << file
)) {
883 LLVMValueRef lindex
= lp_build_const_int32(bld
->bld_base
.base
.gallivm
, index
* 4 + chan
);
884 return LLVMBuildGEP(builder
, var_of_array
, &lindex
, 1, "");
887 assert(index
<= bld
->bld_base
.info
->file_max
[file
]);
888 return array_of_vars
[index
][chan
];
894 * Return pointer to a temporary register channel (src or dest).
895 * Note that indirect addressing cannot be handled here.
896 * \param index which temporary register
897 * \param chan which channel of the temp register.
900 lp_get_temp_ptr_soa(struct lp_build_tgsi_soa_context
*bld
,
904 return get_file_ptr(bld
, TGSI_FILE_TEMPORARY
, index
, chan
);
908 * Return pointer to a output register channel (src or dest).
909 * Note that indirect addressing cannot be handled here.
910 * \param index which output register
911 * \param chan which channel of the output register.
914 lp_get_output_ptr(struct lp_build_tgsi_soa_context
*bld
,
918 return get_file_ptr(bld
, TGSI_FILE_OUTPUT
, index
, chan
);
922 * If we have indirect addressing in outputs copy our alloca array
923 * to the outputs slots specified by the caller to make sure
924 * our outputs are delivered consistently via the same interface.
927 gather_outputs(struct lp_build_tgsi_soa_context
* bld
)
929 if ((bld
->indirect_files
& (1 << TGSI_FILE_OUTPUT
))) {
930 unsigned index
, chan
;
931 assert(bld
->bld_base
.info
->num_outputs
<=
932 bld
->bld_base
.info
->file_max
[TGSI_FILE_OUTPUT
] + 1);
933 for (index
= 0; index
< bld
->bld_base
.info
->num_outputs
; ++index
) {
934 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
935 bld
->outputs
[index
][chan
] = lp_get_output_ptr(bld
, index
, chan
);
943 * XXX the lp_build_gather() function should be capable of doing this
944 * with a little work.
947 build_gather(struct lp_build_tgsi_context
*bld_base
,
948 LLVMValueRef base_ptr
,
949 LLVMValueRef indexes
,
950 LLVMValueRef overflow_mask
,
951 LLVMValueRef indexes2
)
953 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
954 LLVMBuilderRef builder
= gallivm
->builder
;
955 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
956 struct lp_build_context
*bld
= &bld_base
->base
;
961 res
= LLVMGetUndef(LLVMVectorType(LLVMFloatTypeInContext(gallivm
->context
), bld_base
->base
.type
.length
* 2));
965 * overflow_mask is a vector telling us which channels
966 * in the vector overflowed. We use the overflow behavior for
967 * constant buffers which is defined as:
968 * Out of bounds access to constant buffer returns 0 in all
969 * components. Out of bounds behavior is always with respect
970 * to the size of the buffer bound at that slot.
975 * We avoid per-element control flow here (also due to llvm going crazy,
976 * though I suspect it's better anyway since overflow is likely rare).
977 * Note that since we still fetch from buffers even if num_elements was
978 * zero (in this case we'll fetch from index zero) the jit func callers
979 * MUST provide valid fake constant buffers of size 4x32 (the values do
980 * not matter), otherwise we'd still need (not per element though)
983 indexes
= lp_build_select(uint_bld
, overflow_mask
, uint_bld
->zero
, indexes
);
985 indexes2
= lp_build_select(uint_bld
, overflow_mask
, uint_bld
->zero
, indexes2
);
989 * Loop over elements of index_vec, load scalar value, insert it into 'res'.
991 for (i
= 0; i
< bld
->type
.length
* (indexes2
? 2 : 1); i
++) {
994 LLVMValueRef scalar_ptr
, scalar
;
996 di
= lp_build_const_int32(bld
->gallivm
, i
);
998 si
= lp_build_const_int32(bld
->gallivm
, i
>> 1);
1002 if (indexes2
&& (i
& 1)) {
1003 index
= LLVMBuildExtractElement(builder
,
1006 index
= LLVMBuildExtractElement(builder
,
1009 scalar_ptr
= LLVMBuildGEP(builder
, base_ptr
,
1010 &index
, 1, "gather_ptr");
1011 scalar
= LLVMBuildLoad(builder
, scalar_ptr
, "");
1013 res
= LLVMBuildInsertElement(builder
, res
, scalar
, di
, "");
1016 if (overflow_mask
) {
1018 res
= LLVMBuildBitCast(builder
, res
, bld_base
->dbl_bld
.vec_type
, "");
1019 overflow_mask
= LLVMBuildSExt(builder
, overflow_mask
,
1020 bld_base
->dbl_bld
.int_vec_type
, "");
1021 res
= lp_build_select(&bld_base
->dbl_bld
, overflow_mask
,
1022 bld_base
->dbl_bld
.zero
, res
);
1024 res
= lp_build_select(bld
, overflow_mask
, bld
->zero
, res
);
1032 * Scatter/store vector.
1035 emit_mask_scatter(struct lp_build_tgsi_soa_context
*bld
,
1036 LLVMValueRef base_ptr
,
1037 LLVMValueRef indexes
,
1038 LLVMValueRef values
,
1039 struct lp_exec_mask
*mask
,
1042 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1043 LLVMBuilderRef builder
= gallivm
->builder
;
1046 /* Mix the predicate and execution mask */
1047 if (mask
->has_mask
) {
1049 pred
= LLVMBuildAnd(builder
, pred
, mask
->exec_mask
, "");
1052 pred
= mask
->exec_mask
;
1057 * Loop over elements of index_vec, store scalar value.
1059 for (i
= 0; i
< bld
->bld_base
.base
.type
.length
; i
++) {
1060 LLVMValueRef ii
= lp_build_const_int32(gallivm
, i
);
1061 LLVMValueRef index
= LLVMBuildExtractElement(builder
, indexes
, ii
, "");
1062 LLVMValueRef scalar_ptr
= LLVMBuildGEP(builder
, base_ptr
, &index
, 1, "scatter_ptr");
1063 LLVMValueRef val
= LLVMBuildExtractElement(builder
, values
, ii
, "scatter_val");
1064 LLVMValueRef scalar_pred
= pred
?
1065 LLVMBuildExtractElement(builder
, pred
, ii
, "scatter_pred") : NULL
;
1068 lp_build_printf(gallivm
, "scatter %d: val %f at %d %p\n",
1069 ii
, val
, index
, scalar_ptr
);
1072 LLVMValueRef real_val
, dst_val
;
1073 dst_val
= LLVMBuildLoad(builder
, scalar_ptr
, "");
1074 real_val
= lp_build_select(&bld
->elem_bld
, scalar_pred
, val
, dst_val
);
1075 LLVMBuildStore(builder
, real_val
, scalar_ptr
);
1078 LLVMBuildStore(builder
, val
, scalar_ptr
);
1085 * Read the current value of the ADDR register, convert the floats to
1086 * ints, add the base index and return the vector of offsets.
1087 * The offsets will be used to index into the constant buffer or
1088 * temporary register file.
1091 get_indirect_index(struct lp_build_tgsi_soa_context
*bld
,
1092 unsigned reg_file
, unsigned reg_index
,
1093 const struct tgsi_ind_register
*indirect_reg
)
1095 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
1096 struct lp_build_context
*uint_bld
= &bld
->bld_base
.uint_bld
;
1097 /* always use X component of address register */
1098 unsigned swizzle
= indirect_reg
->Swizzle
;
1101 LLVMValueRef max_index
;
1104 assert(bld
->indirect_files
& (1 << reg_file
));
1106 base
= lp_build_const_int_vec(bld
->bld_base
.base
.gallivm
, uint_bld
->type
, reg_index
);
1108 assert(swizzle
< 4);
1109 switch (indirect_reg
->File
) {
1110 case TGSI_FILE_ADDRESS
:
1111 rel
= LLVMBuildLoad(builder
,
1112 bld
->addr
[indirect_reg
->Index
][swizzle
],
1114 /* ADDR LLVM values already have LLVM integer type. */
1116 case TGSI_FILE_TEMPORARY
:
1117 rel
= lp_get_temp_ptr_soa(bld
, indirect_reg
->Index
, swizzle
);
1118 rel
= LLVMBuildLoad(builder
, rel
, "load temp reg");
1119 /* TEMP LLVM values always have LLVM float type, but for indirection, the
1120 * value actually stored is expected to be an integer */
1121 rel
= LLVMBuildBitCast(builder
, rel
, uint_bld
->vec_type
, "");
1125 rel
= uint_bld
->zero
;
1128 index
= lp_build_add(uint_bld
, base
, rel
);
1131 * emit_fetch_constant handles constant buffer overflow so this code
1132 * is pointless for them.
1133 * Furthermore the D3D10 spec in section 6.5 says:
1134 * If the constant buffer bound to a slot is larger than the size
1135 * declared in the shader for that slot, implementations are allowed
1136 * to return incorrect data (not necessarily 0) for indices that are
1137 * larger than the declared size but smaller than the buffer size.
1139 if (reg_file
!= TGSI_FILE_CONSTANT
) {
1140 max_index
= lp_build_const_int_vec(bld
->bld_base
.base
.gallivm
,
1142 bld
->bld_base
.info
->file_max
[reg_file
]);
1144 assert(!uint_bld
->type
.sign
);
1145 index
= lp_build_min(uint_bld
, index
, max_index
);
1151 static struct lp_build_context
*
1152 stype_to_fetch(struct lp_build_tgsi_context
* bld_base
,
1153 enum tgsi_opcode_type stype
)
1155 struct lp_build_context
*bld_fetch
;
1158 case TGSI_TYPE_FLOAT
:
1159 case TGSI_TYPE_UNTYPED
:
1160 bld_fetch
= &bld_base
->base
;
1162 case TGSI_TYPE_UNSIGNED
:
1163 bld_fetch
= &bld_base
->uint_bld
;
1165 case TGSI_TYPE_SIGNED
:
1166 bld_fetch
= &bld_base
->int_bld
;
1168 case TGSI_TYPE_DOUBLE
:
1169 bld_fetch
= &bld_base
->dbl_bld
;
1171 case TGSI_TYPE_UNSIGNED64
:
1172 bld_fetch
= &bld_base
->uint64_bld
;
1174 case TGSI_TYPE_SIGNED64
:
1175 bld_fetch
= &bld_base
->int64_bld
;
1177 case TGSI_TYPE_VOID
:
1187 get_soa_array_offsets(struct lp_build_context
*uint_bld
,
1188 LLVMValueRef indirect_index
,
1189 unsigned chan_index
,
1190 boolean need_perelement_offset
)
1192 struct gallivm_state
*gallivm
= uint_bld
->gallivm
;
1193 LLVMValueRef chan_vec
=
1194 lp_build_const_int_vec(uint_bld
->gallivm
, uint_bld
->type
, chan_index
);
1195 LLVMValueRef length_vec
=
1196 lp_build_const_int_vec(gallivm
, uint_bld
->type
, uint_bld
->type
.length
);
1197 LLVMValueRef index_vec
;
1199 /* index_vec = (indirect_index * 4 + chan_index) * length + offsets */
1200 index_vec
= lp_build_shl_imm(uint_bld
, indirect_index
, 2);
1201 index_vec
= lp_build_add(uint_bld
, index_vec
, chan_vec
);
1202 index_vec
= lp_build_mul(uint_bld
, index_vec
, length_vec
);
1204 if (need_perelement_offset
) {
1205 LLVMValueRef pixel_offsets
;
1207 /* build pixel offset vector: {0, 1, 2, 3, ...} */
1208 pixel_offsets
= uint_bld
->undef
;
1209 for (i
= 0; i
< uint_bld
->type
.length
; i
++) {
1210 LLVMValueRef ii
= lp_build_const_int32(gallivm
, i
);
1211 pixel_offsets
= LLVMBuildInsertElement(gallivm
->builder
, pixel_offsets
,
1214 index_vec
= lp_build_add(uint_bld
, index_vec
, pixel_offsets
);
1220 emit_fetch_constant(
1221 struct lp_build_tgsi_context
* bld_base
,
1222 const struct tgsi_full_src_register
* reg
,
1223 enum tgsi_opcode_type stype
,
1226 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1227 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1228 LLVMBuilderRef builder
= gallivm
->builder
;
1229 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
1230 unsigned dimension
= 0;
1231 LLVMValueRef consts_ptr
;
1232 LLVMValueRef num_consts
;
1235 /* XXX: Handle fetching xyzw components as a vector */
1236 assert(swizzle
!= ~0u);
1238 if (reg
->Register
.Dimension
) {
1239 assert(!reg
->Dimension
.Indirect
);
1240 dimension
= reg
->Dimension
.Index
;
1241 assert(dimension
< LP_MAX_TGSI_CONST_BUFFERS
);
1244 consts_ptr
= bld
->consts
[dimension
];
1245 num_consts
= bld
->consts_sizes
[dimension
];
1247 if (reg
->Register
.Indirect
) {
1248 LLVMValueRef indirect_index
;
1249 LLVMValueRef swizzle_vec
=
1250 lp_build_const_int_vec(gallivm
, uint_bld
->type
, swizzle
);
1251 LLVMValueRef index_vec
; /* index into the const buffer */
1252 LLVMValueRef overflow_mask
;
1253 LLVMValueRef index_vec2
= NULL
;
1255 indirect_index
= get_indirect_index(bld
,
1257 reg
->Register
.Index
,
1260 /* All fetches are from the same constant buffer, so
1261 * we need to propagate the size to a vector to do a
1262 * vector comparison */
1263 num_consts
= lp_build_broadcast_scalar(uint_bld
, num_consts
);
1264 /* Construct a boolean vector telling us which channels
1265 * overflow the bound constant buffer */
1266 overflow_mask
= lp_build_compare(gallivm
, uint_bld
->type
, PIPE_FUNC_GEQUAL
,
1267 indirect_index
, num_consts
);
1269 /* index_vec = indirect_index * 4 + swizzle */
1270 index_vec
= lp_build_shl_imm(uint_bld
, indirect_index
, 2);
1271 index_vec
= lp_build_add(uint_bld
, index_vec
, swizzle_vec
);
1273 if (tgsi_type_is_64bit(stype
)) {
1274 LLVMValueRef swizzle_vec2
;
1275 swizzle_vec2
= lp_build_const_int_vec(gallivm
, uint_bld
->type
, swizzle
+ 1);
1276 index_vec2
= lp_build_shl_imm(uint_bld
, indirect_index
, 2);
1277 index_vec2
= lp_build_add(uint_bld
, index_vec2
, swizzle_vec2
);
1279 /* Gather values from the constant buffer */
1280 res
= build_gather(bld_base
, consts_ptr
, index_vec
, overflow_mask
, index_vec2
);
1283 LLVMValueRef index
; /* index into the const buffer */
1284 LLVMValueRef scalar
, scalar_ptr
;
1285 struct lp_build_context
*bld_broad
= &bld_base
->base
;
1286 index
= lp_build_const_int32(gallivm
, reg
->Register
.Index
* 4 + swizzle
);
1288 scalar_ptr
= LLVMBuildGEP(builder
, consts_ptr
,
1290 if (stype
== TGSI_TYPE_DOUBLE
) {
1291 LLVMTypeRef dptr_type
= LLVMPointerType(LLVMDoubleTypeInContext(gallivm
->context
), 0);
1292 scalar_ptr
= LLVMBuildBitCast(builder
, scalar_ptr
, dptr_type
, "");
1293 bld_broad
= &bld_base
->dbl_bld
;
1294 } else if (stype
== TGSI_TYPE_UNSIGNED64
) {
1295 LLVMTypeRef u64ptr_type
= LLVMPointerType(LLVMInt64TypeInContext(gallivm
->context
), 0);
1296 scalar_ptr
= LLVMBuildBitCast(builder
, scalar_ptr
, u64ptr_type
, "");
1297 bld_broad
= &bld_base
->uint64_bld
;
1298 } else if (stype
== TGSI_TYPE_SIGNED64
) {
1299 LLVMTypeRef i64ptr_type
= LLVMPointerType(LLVMInt64TypeInContext(gallivm
->context
), 0);
1300 scalar_ptr
= LLVMBuildBitCast(builder
, scalar_ptr
, i64ptr_type
, "");
1301 bld_broad
= &bld_base
->int64_bld
;
1303 scalar
= LLVMBuildLoad(builder
, scalar_ptr
, "");
1304 res
= lp_build_broadcast_scalar(bld_broad
, scalar
);
1307 if (stype
== TGSI_TYPE_SIGNED
|| stype
== TGSI_TYPE_UNSIGNED
|| stype
== TGSI_TYPE_DOUBLE
|| stype
== TGSI_TYPE_SIGNED64
|| stype
== TGSI_TYPE_UNSIGNED64
) {
1308 struct lp_build_context
*bld_fetch
= stype_to_fetch(bld_base
, stype
);
1309 res
= LLVMBuildBitCast(builder
, res
, bld_fetch
->vec_type
, "");
1316 * Fetch 64-bit values from two separate channels.
1317 * 64-bit values are stored split across two channels, like xy and zw.
1318 * This function creates a set of 16 floats,
1319 * extracts the values from the two channels,
1320 * puts them in the correct place, then casts to 8 64-bits.
1324 struct lp_build_tgsi_context
* bld_base
,
1325 enum tgsi_opcode_type stype
,
1327 LLVMValueRef input2
)
1329 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1330 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1331 LLVMBuilderRef builder
= gallivm
->builder
;
1333 struct lp_build_context
*bld_fetch
= stype_to_fetch(bld_base
, stype
);
1335 LLVMValueRef shuffles
[16];
1336 int len
= bld_base
->base
.type
.length
* 2;
1339 for (i
= 0; i
< bld_base
->base
.type
.length
* 2; i
+=2) {
1340 shuffles
[i
] = lp_build_const_int32(gallivm
, i
/ 2);
1341 shuffles
[i
+ 1] = lp_build_const_int32(gallivm
, i
/ 2 + bld_base
->base
.type
.length
);
1343 res
= LLVMBuildShuffleVector(builder
, input
, input2
, LLVMConstVector(shuffles
, len
), "");
1345 return LLVMBuildBitCast(builder
, res
, bld_fetch
->vec_type
, "");
1349 emit_fetch_immediate(
1350 struct lp_build_tgsi_context
* bld_base
,
1351 const struct tgsi_full_src_register
* reg
,
1352 enum tgsi_opcode_type stype
,
1355 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1356 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1357 LLVMBuilderRef builder
= gallivm
->builder
;
1358 LLVMValueRef res
= NULL
;
1360 if (bld
->use_immediates_array
|| reg
->Register
.Indirect
) {
1361 LLVMValueRef imms_array
;
1362 LLVMTypeRef fptr_type
;
1364 /* cast imms_array pointer to float* */
1365 fptr_type
= LLVMPointerType(LLVMFloatTypeInContext(gallivm
->context
), 0);
1366 imms_array
= LLVMBuildBitCast(builder
, bld
->imms_array
, fptr_type
, "");
1368 if (reg
->Register
.Indirect
) {
1369 LLVMValueRef indirect_index
;
1370 LLVMValueRef index_vec
; /* index into the immediate register array */
1371 LLVMValueRef index_vec2
= NULL
;
1372 indirect_index
= get_indirect_index(bld
,
1374 reg
->Register
.Index
,
1377 * Unlike for other reg classes, adding pixel offsets is unnecessary -
1378 * immediates are stored as full vectors (FIXME??? - might be better
1379 * to store them the same as constants) but all elements are the same
1382 index_vec
= get_soa_array_offsets(&bld_base
->uint_bld
,
1386 if (tgsi_type_is_64bit(stype
))
1387 index_vec2
= get_soa_array_offsets(&bld_base
->uint_bld
,
1391 /* Gather values from the immediate register array */
1392 res
= build_gather(bld_base
, imms_array
, index_vec
, NULL
, index_vec2
);
1394 LLVMValueRef lindex
= lp_build_const_int32(gallivm
,
1395 reg
->Register
.Index
* 4 + swizzle
);
1396 LLVMValueRef imms_ptr
= LLVMBuildGEP(builder
,
1397 bld
->imms_array
, &lindex
, 1, "");
1398 res
= LLVMBuildLoad(builder
, imms_ptr
, "");
1400 if (tgsi_type_is_64bit(stype
)) {
1401 LLVMValueRef lindex1
;
1402 LLVMValueRef imms_ptr2
;
1405 lindex1
= lp_build_const_int32(gallivm
,
1406 reg
->Register
.Index
* 4 + swizzle
+ 1);
1407 imms_ptr2
= LLVMBuildGEP(builder
,
1408 bld
->imms_array
, &lindex1
, 1, "");
1409 res2
= LLVMBuildLoad(builder
, imms_ptr2
, "");
1410 res
= emit_fetch_64bit(bld_base
, stype
, res
, res2
);
1415 res
= bld
->immediates
[reg
->Register
.Index
][swizzle
];
1416 if (tgsi_type_is_64bit(stype
))
1417 res
= emit_fetch_64bit(bld_base
, stype
, res
, bld
->immediates
[reg
->Register
.Index
][swizzle
+ 1]);
1420 if (stype
== TGSI_TYPE_SIGNED
|| stype
== TGSI_TYPE_UNSIGNED
|| tgsi_type_is_64bit(stype
)) {
1421 struct lp_build_context
*bld_fetch
= stype_to_fetch(bld_base
, stype
);
1422 res
= LLVMBuildBitCast(builder
, res
, bld_fetch
->vec_type
, "");
1429 struct lp_build_tgsi_context
* bld_base
,
1430 const struct tgsi_full_src_register
* reg
,
1431 enum tgsi_opcode_type stype
,
1434 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1435 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1436 LLVMBuilderRef builder
= gallivm
->builder
;
1439 if (reg
->Register
.Indirect
) {
1440 LLVMValueRef indirect_index
;
1441 LLVMValueRef index_vec
; /* index into the input reg array */
1442 LLVMValueRef index_vec2
= NULL
;
1443 LLVMValueRef inputs_array
;
1444 LLVMTypeRef fptr_type
;
1446 indirect_index
= get_indirect_index(bld
,
1448 reg
->Register
.Index
,
1451 index_vec
= get_soa_array_offsets(&bld_base
->uint_bld
,
1455 if (tgsi_type_is_64bit(stype
)) {
1456 index_vec2
= get_soa_array_offsets(&bld_base
->uint_bld
,
1461 /* cast inputs_array pointer to float* */
1462 fptr_type
= LLVMPointerType(LLVMFloatTypeInContext(gallivm
->context
), 0);
1463 inputs_array
= LLVMBuildBitCast(builder
, bld
->inputs_array
, fptr_type
, "");
1465 /* Gather values from the input register array */
1466 res
= build_gather(bld_base
, inputs_array
, index_vec
, NULL
, index_vec2
);
1468 if (bld
->indirect_files
& (1 << TGSI_FILE_INPUT
)) {
1469 LLVMValueRef lindex
= lp_build_const_int32(gallivm
,
1470 reg
->Register
.Index
* 4 + swizzle
);
1471 LLVMValueRef input_ptr
= LLVMBuildGEP(builder
,
1472 bld
->inputs_array
, &lindex
, 1, "");
1474 res
= LLVMBuildLoad(builder
, input_ptr
, "");
1475 if (tgsi_type_is_64bit(stype
)) {
1476 LLVMValueRef lindex1
;
1477 LLVMValueRef input_ptr2
;
1480 lindex1
= lp_build_const_int32(gallivm
,
1481 reg
->Register
.Index
* 4 + swizzle
+ 1);
1482 input_ptr2
= LLVMBuildGEP(builder
,
1483 bld
->inputs_array
, &lindex1
, 1, "");
1484 res2
= LLVMBuildLoad(builder
, input_ptr2
, "");
1485 res
= emit_fetch_64bit(bld_base
, stype
, res
, res2
);
1489 res
= bld
->inputs
[reg
->Register
.Index
][swizzle
];
1490 if (tgsi_type_is_64bit(stype
))
1491 res
= emit_fetch_64bit(bld_base
, stype
, res
, bld
->inputs
[reg
->Register
.Index
][swizzle
+ 1]);
1497 if (stype
== TGSI_TYPE_SIGNED
|| stype
== TGSI_TYPE_UNSIGNED
|| tgsi_type_is_64bit(stype
)) {
1498 struct lp_build_context
*bld_fetch
= stype_to_fetch(bld_base
, stype
);
1499 res
= LLVMBuildBitCast(builder
, res
, bld_fetch
->vec_type
, "");
1507 emit_fetch_gs_input(
1508 struct lp_build_tgsi_context
* bld_base
,
1509 const struct tgsi_full_src_register
* reg
,
1510 enum tgsi_opcode_type stype
,
1513 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1514 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1515 const struct tgsi_shader_info
*info
= bld
->bld_base
.info
;
1516 LLVMBuilderRef builder
= gallivm
->builder
;
1517 LLVMValueRef attrib_index
= NULL
;
1518 LLVMValueRef vertex_index
= NULL
;
1519 LLVMValueRef swizzle_index
= lp_build_const_int32(gallivm
, swizzle
);
1522 if (info
->input_semantic_name
[reg
->Register
.Index
] == TGSI_SEMANTIC_PRIMID
) {
1523 /* This is really a system value not a regular input */
1524 assert(!reg
->Register
.Indirect
);
1525 assert(!reg
->Dimension
.Indirect
);
1526 res
= bld
->system_values
.prim_id
;
1527 if (stype
!= TGSI_TYPE_UNSIGNED
&& stype
!= TGSI_TYPE_SIGNED
) {
1528 res
= LLVMBuildBitCast(builder
, res
, bld_base
->base
.vec_type
, "");
1533 if (reg
->Register
.Indirect
) {
1534 attrib_index
= get_indirect_index(bld
,
1536 reg
->Register
.Index
,
1539 attrib_index
= lp_build_const_int32(gallivm
, reg
->Register
.Index
);
1542 if (reg
->Dimension
.Indirect
) {
1543 vertex_index
= get_indirect_index(bld
,
1545 reg
->Dimension
.Index
,
1548 vertex_index
= lp_build_const_int32(gallivm
, reg
->Dimension
.Index
);
1551 res
= bld
->gs_iface
->fetch_input(bld
->gs_iface
, bld_base
,
1552 reg
->Dimension
.Indirect
,
1554 reg
->Register
.Indirect
,
1559 if (tgsi_type_is_64bit(stype
)) {
1560 LLVMValueRef swizzle_index
= lp_build_const_int32(gallivm
, swizzle
+ 1);
1562 res2
= bld
->gs_iface
->fetch_input(bld
->gs_iface
, bld_base
,
1563 reg
->Dimension
.Indirect
,
1565 reg
->Register
.Indirect
,
1569 res
= emit_fetch_64bit(bld_base
, stype
, res
, res2
);
1570 } else if (stype
== TGSI_TYPE_UNSIGNED
) {
1571 res
= LLVMBuildBitCast(builder
, res
, bld_base
->uint_bld
.vec_type
, "");
1572 } else if (stype
== TGSI_TYPE_SIGNED
) {
1573 res
= LLVMBuildBitCast(builder
, res
, bld_base
->int_bld
.vec_type
, "");
1580 emit_fetch_temporary(
1581 struct lp_build_tgsi_context
* bld_base
,
1582 const struct tgsi_full_src_register
* reg
,
1583 enum tgsi_opcode_type stype
,
1586 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1587 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1588 LLVMBuilderRef builder
= gallivm
->builder
;
1591 if (reg
->Register
.Indirect
) {
1592 LLVMValueRef indirect_index
;
1593 LLVMValueRef index_vec
, index_vec2
= NULL
; /* index into the temp reg array */
1594 LLVMValueRef temps_array
;
1595 LLVMTypeRef fptr_type
;
1597 indirect_index
= get_indirect_index(bld
,
1599 reg
->Register
.Index
,
1602 index_vec
= get_soa_array_offsets(&bld_base
->uint_bld
,
1606 if (tgsi_type_is_64bit(stype
)) {
1607 index_vec2
= get_soa_array_offsets(&bld_base
->uint_bld
,
1613 /* cast temps_array pointer to float* */
1614 fptr_type
= LLVMPointerType(LLVMFloatTypeInContext(gallivm
->context
), 0);
1615 temps_array
= LLVMBuildBitCast(builder
, bld
->temps_array
, fptr_type
, "");
1617 /* Gather values from the temporary register array */
1618 res
= build_gather(bld_base
, temps_array
, index_vec
, NULL
, index_vec2
);
1621 LLVMValueRef temp_ptr
;
1622 temp_ptr
= lp_get_temp_ptr_soa(bld
, reg
->Register
.Index
, swizzle
);
1623 res
= LLVMBuildLoad(builder
, temp_ptr
, "");
1625 if (tgsi_type_is_64bit(stype
)) {
1626 LLVMValueRef temp_ptr2
, res2
;
1628 temp_ptr2
= lp_get_temp_ptr_soa(bld
, reg
->Register
.Index
, swizzle
+ 1);
1629 res2
= LLVMBuildLoad(builder
, temp_ptr2
, "");
1630 res
= emit_fetch_64bit(bld_base
, stype
, res
, res2
);
1634 if (stype
== TGSI_TYPE_SIGNED
||
1635 stype
== TGSI_TYPE_UNSIGNED
||
1636 stype
== TGSI_TYPE_DOUBLE
||
1637 stype
== TGSI_TYPE_SIGNED64
||
1638 stype
== TGSI_TYPE_UNSIGNED64
) {
1639 struct lp_build_context
*bld_fetch
= stype_to_fetch(bld_base
, stype
);
1640 res
= LLVMBuildBitCast(builder
, res
, bld_fetch
->vec_type
, "");
1647 emit_fetch_system_value(
1648 struct lp_build_tgsi_context
* bld_base
,
1649 const struct tgsi_full_src_register
* reg
,
1650 enum tgsi_opcode_type stype
,
1653 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1654 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
1655 const struct tgsi_shader_info
*info
= bld
->bld_base
.info
;
1656 LLVMBuilderRef builder
= gallivm
->builder
;
1658 enum tgsi_opcode_type atype
; // Actual type of the value
1660 assert(!reg
->Register
.Indirect
);
1662 switch (info
->system_value_semantic_name
[reg
->Register
.Index
]) {
1663 case TGSI_SEMANTIC_INSTANCEID
:
1664 res
= lp_build_broadcast_scalar(&bld_base
->uint_bld
, bld
->system_values
.instance_id
);
1665 atype
= TGSI_TYPE_UNSIGNED
;
1668 case TGSI_SEMANTIC_VERTEXID
:
1669 res
= bld
->system_values
.vertex_id
;
1670 atype
= TGSI_TYPE_UNSIGNED
;
1673 case TGSI_SEMANTIC_VERTEXID_NOBASE
:
1674 res
= bld
->system_values
.vertex_id_nobase
;
1675 atype
= TGSI_TYPE_UNSIGNED
;
1678 case TGSI_SEMANTIC_BASEVERTEX
:
1679 res
= bld
->system_values
.basevertex
;
1680 atype
= TGSI_TYPE_UNSIGNED
;
1683 case TGSI_SEMANTIC_PRIMID
:
1684 res
= bld
->system_values
.prim_id
;
1685 atype
= TGSI_TYPE_UNSIGNED
;
1688 case TGSI_SEMANTIC_INVOCATIONID
:
1689 res
= lp_build_broadcast_scalar(&bld_base
->uint_bld
, bld
->system_values
.invocation_id
);
1690 atype
= TGSI_TYPE_UNSIGNED
;
1694 assert(!"unexpected semantic in emit_fetch_system_value");
1695 res
= bld_base
->base
.zero
;
1696 atype
= TGSI_TYPE_FLOAT
;
1700 if (atype
!= stype
) {
1701 if (stype
== TGSI_TYPE_FLOAT
) {
1702 res
= LLVMBuildBitCast(builder
, res
, bld_base
->base
.vec_type
, "");
1703 } else if (stype
== TGSI_TYPE_UNSIGNED
) {
1704 res
= LLVMBuildBitCast(builder
, res
, bld_base
->uint_bld
.vec_type
, "");
1705 } else if (stype
== TGSI_TYPE_SIGNED
) {
1706 res
= LLVMBuildBitCast(builder
, res
, bld_base
->int_bld
.vec_type
, "");
1714 * Register fetch with derivatives.
1718 struct lp_build_tgsi_soa_context
*bld
,
1727 /* TODO: use interpolation coeffs for inputs */
1730 *ddx
= lp_build_ddx(&bld
->bld_base
.base
, src
);
1733 *ddy
= lp_build_ddy(&bld
->bld_base
.base
, src
);
1741 emit_fetch_predicate(
1742 struct lp_build_tgsi_soa_context
*bld
,
1743 const struct tgsi_full_instruction
*inst
,
1746 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
1748 unsigned char swizzles
[4];
1749 LLVMValueRef unswizzled
[4] = {NULL
, NULL
, NULL
, NULL
};
1753 if (!inst
->Instruction
.Predicate
) {
1754 TGSI_FOR_EACH_CHANNEL( chan
) {
1760 swizzles
[0] = inst
->Predicate
.SwizzleX
;
1761 swizzles
[1] = inst
->Predicate
.SwizzleY
;
1762 swizzles
[2] = inst
->Predicate
.SwizzleZ
;
1763 swizzles
[3] = inst
->Predicate
.SwizzleW
;
1765 index
= inst
->Predicate
.Index
;
1766 assert(index
< LP_MAX_TGSI_PREDS
);
1768 TGSI_FOR_EACH_CHANNEL( chan
) {
1769 unsigned swizzle
= swizzles
[chan
];
1772 * Only fetch the predicate register channels that are actually listed
1775 if (!unswizzled
[swizzle
]) {
1776 value
= LLVMBuildLoad(builder
,
1777 bld
->preds
[index
][swizzle
], "");
1780 * Convert the value to an integer mask.
1782 * TODO: Short-circuit this comparison -- a D3D setp_xx instructions
1783 * is needlessly causing two comparisons due to storing the intermediate
1784 * result as float vector instead of an integer mask vector.
1786 value
= lp_build_compare(bld
->bld_base
.base
.gallivm
,
1787 bld
->bld_base
.base
.type
,
1790 bld
->bld_base
.base
.zero
);
1791 if (inst
->Predicate
.Negate
) {
1792 value
= LLVMBuildNot(builder
, value
, "");
1795 unswizzled
[swizzle
] = value
;
1797 value
= unswizzled
[swizzle
];
1805 * store an array of 8 64-bit into two arrays of 8 floats
1807 * value is d0, d1, d2, d3 etc.
1808 * each 64-bit has high and low pieces x, y
1809 * so gets stored into the separate channels as:
1810 * chan_ptr = d0.x, d1.x, d2.x, d3.x
1811 * chan_ptr2 = d0.y, d1.y, d2.y, d3.y
1814 emit_store_64bit_chan(struct lp_build_tgsi_context
*bld_base
,
1815 LLVMValueRef chan_ptr
, LLVMValueRef chan_ptr2
,
1819 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1820 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1821 LLVMBuilderRef builder
= gallivm
->builder
;
1822 struct lp_build_context
*float_bld
= &bld_base
->base
;
1824 LLVMValueRef temp
, temp2
;
1825 LLVMValueRef shuffles
[8];
1826 LLVMValueRef shuffles2
[8];
1828 for (i
= 0; i
< bld_base
->base
.type
.length
; i
++) {
1829 shuffles
[i
] = lp_build_const_int32(gallivm
, i
* 2);
1830 shuffles2
[i
] = lp_build_const_int32(gallivm
, (i
* 2) + 1);
1833 temp
= LLVMBuildShuffleVector(builder
, value
,
1834 LLVMGetUndef(LLVMTypeOf(value
)),
1835 LLVMConstVector(shuffles
,
1836 bld_base
->base
.type
.length
),
1838 temp2
= LLVMBuildShuffleVector(builder
, value
,
1839 LLVMGetUndef(LLVMTypeOf(value
)),
1840 LLVMConstVector(shuffles2
,
1841 bld_base
->base
.type
.length
),
1844 lp_exec_mask_store(&bld
->exec_mask
, float_bld
, pred
, temp
, chan_ptr
);
1845 lp_exec_mask_store(&bld
->exec_mask
, float_bld
, pred
, temp2
, chan_ptr2
);
1853 struct lp_build_tgsi_context
*bld_base
,
1854 const struct tgsi_full_instruction
*inst
,
1856 unsigned chan_index
,
1860 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
1861 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1862 LLVMBuilderRef builder
= gallivm
->builder
;
1863 const struct tgsi_full_dst_register
*reg
= &inst
->Dst
[index
];
1864 struct lp_build_context
*float_bld
= &bld_base
->base
;
1865 struct lp_build_context
*int_bld
= &bld_base
->int_bld
;
1866 LLVMValueRef indirect_index
= NULL
;
1867 enum tgsi_opcode_type dtype
= tgsi_opcode_infer_dst_type(inst
->Instruction
.Opcode
);
1872 * It is always assumed to be float.
1874 if (inst
->Instruction
.Saturate
) {
1875 assert(dtype
== TGSI_TYPE_FLOAT
||
1876 dtype
== TGSI_TYPE_UNTYPED
);
1877 value
= LLVMBuildBitCast(builder
, value
, float_bld
->vec_type
, "");
1878 value
= lp_build_clamp_zero_one_nanzero(float_bld
, value
);
1881 if (reg
->Register
.Indirect
) {
1883 * Currently the mesa/st doesn't generate indirect stores
1884 * to 64-bit values, it normally uses MOV to do indirect stores.
1886 assert(!tgsi_type_is_64bit(dtype
));
1887 indirect_index
= get_indirect_index(bld
,
1889 reg
->Register
.Index
,
1892 assert(reg
->Register
.Index
<=
1893 bld_base
->info
->file_max
[reg
->Register
.File
]);
1896 if (DEBUG_EXECUTION
) {
1897 emit_dump_reg(gallivm
, reg
->Register
.File
, reg
->Register
.Index
, chan_index
, value
);
1900 switch( reg
->Register
.File
) {
1901 case TGSI_FILE_OUTPUT
:
1902 /* Outputs are always stored as floats */
1903 value
= LLVMBuildBitCast(builder
, value
, float_bld
->vec_type
, "");
1905 if (reg
->Register
.Indirect
) {
1906 LLVMValueRef index_vec
; /* indexes into the output registers */
1907 LLVMValueRef outputs_array
;
1908 LLVMTypeRef fptr_type
;
1910 index_vec
= get_soa_array_offsets(&bld_base
->uint_bld
,
1915 fptr_type
= LLVMPointerType(LLVMFloatTypeInContext(gallivm
->context
), 0);
1916 outputs_array
= LLVMBuildBitCast(builder
, bld
->outputs_array
, fptr_type
, "");
1918 /* Scatter store values into output registers */
1919 emit_mask_scatter(bld
, outputs_array
, index_vec
, value
,
1920 &bld
->exec_mask
, pred
);
1923 LLVMValueRef out_ptr
= lp_get_output_ptr(bld
, reg
->Register
.Index
,
1926 if (tgsi_type_is_64bit(dtype
)) {
1927 LLVMValueRef out_ptr2
= lp_get_output_ptr(bld
, reg
->Register
.Index
,
1929 emit_store_64bit_chan(bld_base
, out_ptr
, out_ptr2
,
1932 lp_exec_mask_store(&bld
->exec_mask
, float_bld
, pred
, value
, out_ptr
);
1936 case TGSI_FILE_TEMPORARY
:
1937 /* Temporaries are always stored as floats */
1938 if (!tgsi_type_is_64bit(dtype
))
1939 value
= LLVMBuildBitCast(builder
, value
, float_bld
->vec_type
, "");
1941 value
= LLVMBuildBitCast(builder
, value
, LLVMVectorType(LLVMFloatTypeInContext(gallivm
->context
), bld_base
->base
.type
.length
* 2), "");
1943 if (reg
->Register
.Indirect
) {
1944 LLVMValueRef index_vec
; /* indexes into the temp registers */
1945 LLVMValueRef temps_array
;
1946 LLVMTypeRef fptr_type
;
1948 index_vec
= get_soa_array_offsets(&bld_base
->uint_bld
,
1953 fptr_type
= LLVMPointerType(LLVMFloatTypeInContext(gallivm
->context
), 0);
1954 temps_array
= LLVMBuildBitCast(builder
, bld
->temps_array
, fptr_type
, "");
1956 /* Scatter store values into temp registers */
1957 emit_mask_scatter(bld
, temps_array
, index_vec
, value
,
1958 &bld
->exec_mask
, pred
);
1961 LLVMValueRef temp_ptr
;
1962 temp_ptr
= lp_get_temp_ptr_soa(bld
, reg
->Register
.Index
, chan_index
);
1964 if (tgsi_type_is_64bit(dtype
)) {
1965 LLVMValueRef temp_ptr2
= lp_get_temp_ptr_soa(bld
,
1966 reg
->Register
.Index
,
1968 emit_store_64bit_chan(bld_base
, temp_ptr
, temp_ptr2
,
1972 lp_exec_mask_store(&bld
->exec_mask
, float_bld
, pred
, value
, temp_ptr
);
1976 case TGSI_FILE_ADDRESS
:
1977 assert(dtype
== TGSI_TYPE_SIGNED
);
1978 assert(LLVMTypeOf(value
) == int_bld
->vec_type
);
1979 value
= LLVMBuildBitCast(builder
, value
, int_bld
->vec_type
, "");
1980 lp_exec_mask_store(&bld
->exec_mask
, int_bld
, pred
, value
,
1981 bld
->addr
[reg
->Register
.Index
][chan_index
]);
1984 case TGSI_FILE_PREDICATE
:
1985 assert(LLVMTypeOf(value
) == float_bld
->vec_type
);
1986 value
= LLVMBuildBitCast(builder
, value
, float_bld
->vec_type
, "");
1987 lp_exec_mask_store(&bld
->exec_mask
, float_bld
, pred
, value
,
1988 bld
->preds
[reg
->Register
.Index
][chan_index
]);
1999 * Called at the beginning of the translation of each TGSI instruction, to
2000 * emit some debug code.
2004 struct lp_build_tgsi_context
* bld_base
,
2005 const struct tgsi_full_instruction
* inst
,
2006 const struct tgsi_opcode_info
* info
)
2009 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
2011 if (DEBUG_EXECUTION
) {
2013 * Dump the TGSI instruction.
2016 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
2020 tgsi_dump_instruction_str(inst
, bld_base
->pc
, &buf
[2], sizeof buf
- 2);
2021 lp_build_printf(gallivm
, buf
);
2023 /* Dump the execution mask.
2025 if (bld
->exec_mask
.has_mask
) {
2026 lp_build_print_value(gallivm
, " mask = ", bld
->exec_mask
.exec_mask
);
2033 struct lp_build_tgsi_context
* bld_base
,
2034 const struct tgsi_full_instruction
* inst
,
2035 const struct tgsi_opcode_info
* info
,
2036 LLVMValueRef dst
[4])
2039 unsigned chan_index
;
2040 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
2041 enum tgsi_opcode_type dtype
= tgsi_opcode_infer_dst_type(inst
->Instruction
.Opcode
);
2043 LLVMValueRef pred
[TGSI_NUM_CHANNELS
];
2045 emit_fetch_predicate( bld
, inst
, pred
);
2047 TGSI_FOR_EACH_DST0_ENABLED_CHANNEL( inst
, chan_index
) {
2049 if (tgsi_type_is_64bit(dtype
) && (chan_index
== 1 || chan_index
== 3))
2051 emit_store_chan(bld_base
, inst
, 0, chan_index
, pred
[chan_index
], dst
[chan_index
]);
2057 tgsi_to_pipe_tex_target(unsigned tgsi_target
)
2059 switch (tgsi_target
) {
2060 case TGSI_TEXTURE_BUFFER
:
2062 case TGSI_TEXTURE_1D
:
2063 case TGSI_TEXTURE_SHADOW1D
:
2064 return PIPE_TEXTURE_1D
;
2065 case TGSI_TEXTURE_2D
:
2066 case TGSI_TEXTURE_SHADOW2D
:
2067 case TGSI_TEXTURE_2D_MSAA
:
2068 return PIPE_TEXTURE_2D
;
2069 case TGSI_TEXTURE_3D
:
2070 return PIPE_TEXTURE_3D
;
2071 case TGSI_TEXTURE_CUBE
:
2072 case TGSI_TEXTURE_SHADOWCUBE
:
2073 return PIPE_TEXTURE_CUBE
;
2074 case TGSI_TEXTURE_RECT
:
2075 case TGSI_TEXTURE_SHADOWRECT
:
2076 return PIPE_TEXTURE_RECT
;
2077 case TGSI_TEXTURE_1D_ARRAY
:
2078 case TGSI_TEXTURE_SHADOW1D_ARRAY
:
2079 return PIPE_TEXTURE_1D_ARRAY
;
2080 case TGSI_TEXTURE_2D_ARRAY
:
2081 case TGSI_TEXTURE_SHADOW2D_ARRAY
:
2082 case TGSI_TEXTURE_2D_ARRAY_MSAA
:
2083 return PIPE_TEXTURE_2D_ARRAY
;
2084 case TGSI_TEXTURE_CUBE_ARRAY
:
2085 case TGSI_TEXTURE_SHADOWCUBE_ARRAY
:
2086 return PIPE_TEXTURE_CUBE_ARRAY
;
2094 static enum lp_sampler_lod_property
2095 lp_build_lod_property(
2096 struct lp_build_tgsi_context
*bld_base
,
2097 const struct tgsi_full_instruction
*inst
,
2100 const struct tgsi_full_src_register
*reg
= &inst
->Src
[src_op
];
2101 enum lp_sampler_lod_property lod_property
;
2104 * Not much we can do here. We could try catching inputs declared
2105 * with constant interpolation but not sure it's worth it - since for
2106 * TEX opcodes as well as FETCH/LD the lod comes from same reg as
2107 * the coords, so it could only work for SAMPLE/TXQ/SVIEWINFO), just
2108 * like the constant/immediate recognition below.
2109 * What seems to be of more value would be to recognize temps holding
2110 * broadcasted scalars but no way we can do it.
2111 * Tried asking llvm but without any success (using LLVMIsConstant
2112 * even though this isn't exactly what we'd need), even as simple as
2113 * IMM[0] UINT32 (0,-1,0,0)
2114 * MOV TEMP[0] IMM[0].yyyy
2115 * SVIEWINFO TEMP[1], TEMP[0].xxxx, SVIEWINFO[0]
2117 * This means there's ZERO chance this will ever catch a scalar lod
2118 * with traditional tex opcodes as well as texel fetches, since the lod
2119 * comes from the same reg as coords (except some test shaders using
2120 * constant coords maybe).
2121 * There's at least hope for sample opcodes as well as size queries.
2123 if (reg
->Register
.File
== TGSI_FILE_CONSTANT
||
2124 reg
->Register
.File
== TGSI_FILE_IMMEDIATE
) {
2125 lod_property
= LP_SAMPLER_LOD_SCALAR
;
2127 else if (bld_base
->info
->processor
== PIPE_SHADER_FRAGMENT
) {
2128 if (gallivm_debug
& GALLIVM_DEBUG_NO_QUAD_LOD
) {
2129 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
2132 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
2136 /* never use scalar (per-quad) lod the results are just too wrong. */
2137 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
2139 return lod_property
;
2144 * High-level instruction translators.
2148 emit_tex( struct lp_build_tgsi_soa_context
*bld
,
2149 const struct tgsi_full_instruction
*inst
,
2150 enum lp_build_tex_modifier modifier
,
2151 LLVMValueRef
*texel
,
2152 unsigned sampler_reg
,
2153 enum lp_sampler_op_type sampler_op
)
2155 unsigned unit
= inst
->Src
[sampler_reg
].Register
.Index
;
2156 LLVMValueRef oow
= NULL
;
2157 LLVMValueRef lod
= NULL
;
2158 LLVMValueRef coords
[5];
2159 LLVMValueRef offsets
[3] = { NULL
};
2160 struct lp_derivatives derivs
;
2161 struct lp_sampler_params params
;
2162 enum lp_sampler_lod_property lod_property
= LP_SAMPLER_LOD_SCALAR
;
2163 unsigned num_derivs
, num_offsets
, i
;
2164 unsigned shadow_coord
= 0;
2165 unsigned layer_coord
= 0;
2166 unsigned sample_key
= sampler_op
<< LP_SAMPLER_OP_TYPE_SHIFT
;
2168 memset(¶ms
, 0, sizeof(params
));
2170 if (!bld
->sampler
) {
2171 _debug_printf("warning: found texture instruction but no sampler generator supplied\n");
2172 for (i
= 0; i
< 4; i
++) {
2173 texel
[i
] = bld
->bld_base
.base
.undef
;
2178 switch (inst
->Texture
.Texture
) {
2179 case TGSI_TEXTURE_1D_ARRAY
:
2182 case TGSI_TEXTURE_1D
:
2186 case TGSI_TEXTURE_2D_ARRAY
:
2189 case TGSI_TEXTURE_2D
:
2190 case TGSI_TEXTURE_RECT
:
2194 case TGSI_TEXTURE_SHADOW1D_ARRAY
:
2197 case TGSI_TEXTURE_SHADOW1D
:
2202 case TGSI_TEXTURE_SHADOW2D_ARRAY
:
2208 case TGSI_TEXTURE_SHADOW2D
:
2209 case TGSI_TEXTURE_SHADOWRECT
:
2214 case TGSI_TEXTURE_CUBE
:
2218 case TGSI_TEXTURE_3D
:
2222 case TGSI_TEXTURE_SHADOWCUBE
:
2227 case TGSI_TEXTURE_CUBE_ARRAY
:
2232 case TGSI_TEXTURE_SHADOWCUBE_ARRAY
:
2236 shadow_coord
= 4; /* shadow coord special different reg */
2238 case TGSI_TEXTURE_2D_MSAA
:
2239 case TGSI_TEXTURE_2D_ARRAY_MSAA
:
2245 /* Note lod and especially projected are illegal in a LOT of cases */
2246 if (modifier
== LP_BLD_TEX_MODIFIER_LOD_BIAS
||
2247 modifier
== LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
) {
2248 if (inst
->Texture
.Texture
== TGSI_TEXTURE_SHADOWCUBE
||
2249 inst
->Texture
.Texture
== TGSI_TEXTURE_CUBE_ARRAY
) {
2250 /* note that shadow cube array with bias/explicit lod does not exist */
2251 lod
= lp_build_emit_fetch(&bld
->bld_base
, inst
, 1, 0);
2254 lod
= lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, 3);
2256 if (modifier
== LP_BLD_TEX_MODIFIER_LOD_BIAS
) {
2257 sample_key
|= LP_SAMPLER_LOD_BIAS
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2259 else if (modifier
== LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
) {
2260 sample_key
|= LP_SAMPLER_LOD_EXPLICIT
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2262 lod_property
= lp_build_lod_property(&bld
->bld_base
, inst
, 0);
2265 if (modifier
== LP_BLD_TEX_MODIFIER_PROJECTED
) {
2266 oow
= lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, 3);
2267 oow
= lp_build_rcp(&bld
->bld_base
.base
, oow
);
2270 for (i
= 0; i
< num_derivs
; i
++) {
2271 coords
[i
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, i
);
2272 if (modifier
== LP_BLD_TEX_MODIFIER_PROJECTED
)
2273 coords
[i
] = lp_build_mul(&bld
->bld_base
.base
, coords
[i
], oow
);
2275 for (i
= num_derivs
; i
< 5; i
++) {
2276 coords
[i
] = bld
->bld_base
.base
.undef
;
2279 /* Layer coord always goes into 3rd slot, except for cube map arrays */
2281 if (layer_coord
== 3) {
2282 coords
[3] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, layer_coord
);
2285 coords
[2] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, layer_coord
);
2287 if (modifier
== LP_BLD_TEX_MODIFIER_PROJECTED
)
2288 coords
[2] = lp_build_mul(&bld
->bld_base
.base
, coords
[2], oow
);
2290 /* Shadow coord occupies always 5th slot. */
2292 sample_key
|= LP_SAMPLER_SHADOW
;
2293 if (shadow_coord
== 4) {
2294 coords
[4] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 1, 0);
2297 coords
[4] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, shadow_coord
);
2299 if (modifier
== LP_BLD_TEX_MODIFIER_PROJECTED
)
2300 coords
[4] = lp_build_mul(&bld
->bld_base
.base
, coords
[4], oow
);
2303 if (modifier
== LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV
) {
2305 sample_key
|= LP_SAMPLER_LOD_DERIVATIVES
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2306 for (dim
= 0; dim
< num_derivs
; ++dim
) {
2307 derivs
.ddx
[dim
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 1, dim
);
2308 derivs
.ddy
[dim
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 2, dim
);
2310 params
.derivs
= &derivs
;
2312 * could also check all src regs if constant but I doubt such
2313 * cases exist in practice.
2315 if (bld
->bld_base
.info
->processor
== PIPE_SHADER_FRAGMENT
) {
2316 if (gallivm_debug
& GALLIVM_DEBUG_NO_QUAD_LOD
) {
2317 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
2320 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
2324 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
2327 sample_key
|= lod_property
<< LP_SAMPLER_LOD_PROPERTY_SHIFT
;
2329 /* we don't handle the 4 offset version of tg4 */
2330 if (inst
->Texture
.NumOffsets
== 1) {
2332 sample_key
|= LP_SAMPLER_OFFSETS
;
2333 for (dim
= 0; dim
< num_offsets
; dim
++) {
2334 offsets
[dim
] = lp_build_emit_fetch_texoffset(&bld
->bld_base
, inst
, 0, dim
);
2338 params
.type
= bld
->bld_base
.base
.type
;
2339 params
.sample_key
= sample_key
;
2340 params
.texture_index
= unit
;
2341 params
.sampler_index
= unit
;
2342 params
.context_ptr
= bld
->context_ptr
;
2343 params
.thread_data_ptr
= bld
->thread_data_ptr
;
2344 params
.coords
= coords
;
2345 params
.offsets
= offsets
;
2347 params
.texel
= texel
;
2349 bld
->sampler
->emit_tex_sample(bld
->sampler
,
2350 bld
->bld_base
.base
.gallivm
,
2355 emit_sample(struct lp_build_tgsi_soa_context
*bld
,
2356 const struct tgsi_full_instruction
*inst
,
2357 enum lp_build_tex_modifier modifier
,
2359 LLVMValueRef
*texel
)
2361 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
2362 unsigned texture_unit
, sampler_unit
;
2363 LLVMValueRef lod
= NULL
;
2364 LLVMValueRef coords
[5];
2365 LLVMValueRef offsets
[3] = { NULL
};
2366 struct lp_derivatives derivs
;
2367 struct lp_sampler_params params
;
2368 enum lp_sampler_lod_property lod_property
= LP_SAMPLER_LOD_SCALAR
;
2370 unsigned num_offsets
, num_derivs
, i
;
2371 unsigned layer_coord
= 0;
2372 unsigned sample_key
= LP_SAMPLER_OP_TEXTURE
<< LP_SAMPLER_OP_TYPE_SHIFT
;
2374 memset(¶ms
, 0, sizeof(params
));
2376 if (!bld
->sampler
) {
2377 _debug_printf("warning: found texture instruction but no sampler generator supplied\n");
2378 for (i
= 0; i
< 4; i
++) {
2379 texel
[i
] = bld
->bld_base
.base
.undef
;
2385 * unlike old-style tex opcodes the texture/sampler indices
2386 * always come from src1 and src2 respectively.
2388 texture_unit
= inst
->Src
[1].Register
.Index
;
2389 sampler_unit
= inst
->Src
[2].Register
.Index
;
2392 * Note inst->Texture.Texture will contain the number of offsets,
2393 * however the target information is NOT there and comes from the
2394 * declared sampler views instead.
2396 switch (bld
->sv
[texture_unit
].Resource
) {
2397 case TGSI_TEXTURE_1D
:
2401 case TGSI_TEXTURE_1D_ARRAY
:
2406 case TGSI_TEXTURE_2D
:
2407 case TGSI_TEXTURE_RECT
:
2411 case TGSI_TEXTURE_2D_ARRAY
:
2416 case TGSI_TEXTURE_CUBE
:
2420 case TGSI_TEXTURE_3D
:
2424 case TGSI_TEXTURE_CUBE_ARRAY
:
2434 if (modifier
== LP_BLD_TEX_MODIFIER_LOD_BIAS
||
2435 modifier
== LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
) {
2436 lod
= lp_build_emit_fetch(&bld
->bld_base
, inst
, 3, 0);
2437 if (modifier
== LP_BLD_TEX_MODIFIER_LOD_BIAS
) {
2438 sample_key
|= LP_SAMPLER_LOD_BIAS
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2440 else if (modifier
== LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
) {
2441 sample_key
|= LP_SAMPLER_LOD_EXPLICIT
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2443 lod_property
= lp_build_lod_property(&bld
->bld_base
, inst
, 0);
2445 else if (modifier
== LP_BLD_TEX_MODIFIER_LOD_ZERO
) {
2446 /* XXX might be better to explicitly pass the level zero information */
2447 sample_key
|= LP_SAMPLER_LOD_EXPLICIT
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2448 lod
= lp_build_const_vec(gallivm
, bld
->bld_base
.base
.type
, 0.0F
);
2451 for (i
= 0; i
< num_derivs
; i
++) {
2452 coords
[i
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, i
);
2454 for (i
= num_derivs
; i
< 5; i
++) {
2455 coords
[i
] = bld
->bld_base
.base
.undef
;
2458 /* Layer coord always goes into 3rd slot, except for cube map arrays */
2460 if (layer_coord
== 3)
2461 coords
[3] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, layer_coord
);
2463 coords
[2] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, layer_coord
);
2465 /* Shadow coord occupies always 5th slot. */
2467 sample_key
|= LP_SAMPLER_SHADOW
;
2468 coords
[4] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 3, 0);
2471 if (modifier
== LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV
) {
2473 sample_key
|= LP_SAMPLER_LOD_DERIVATIVES
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2474 for (dim
= 0; dim
< num_derivs
; ++dim
) {
2475 derivs
.ddx
[dim
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 3, dim
);
2476 derivs
.ddy
[dim
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 4, dim
);
2478 params
.derivs
= &derivs
;
2480 * could also check all src regs if constant but I doubt such
2481 * cases exist in practice.
2483 if (bld
->bld_base
.info
->processor
== PIPE_SHADER_FRAGMENT
) {
2484 if (gallivm_debug
& GALLIVM_DEBUG_NO_QUAD_LOD
) {
2485 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
2488 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
2492 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
2496 /* some advanced gather instructions (txgo) would require 4 offsets */
2497 if (inst
->Texture
.NumOffsets
== 1) {
2499 sample_key
|= LP_SAMPLER_OFFSETS
;
2500 for (dim
= 0; dim
< num_offsets
; dim
++) {
2501 offsets
[dim
] = lp_build_emit_fetch_texoffset(&bld
->bld_base
, inst
, 0, dim
);
2504 sample_key
|= lod_property
<< LP_SAMPLER_LOD_PROPERTY_SHIFT
;
2506 params
.type
= bld
->bld_base
.base
.type
;
2507 params
.sample_key
= sample_key
;
2508 params
.texture_index
= texture_unit
;
2509 params
.sampler_index
= sampler_unit
;
2510 params
.context_ptr
= bld
->context_ptr
;
2511 params
.thread_data_ptr
= bld
->thread_data_ptr
;
2512 params
.coords
= coords
;
2513 params
.offsets
= offsets
;
2515 params
.texel
= texel
;
2517 bld
->sampler
->emit_tex_sample(bld
->sampler
,
2518 bld
->bld_base
.base
.gallivm
,
2521 if (inst
->Src
[1].Register
.SwizzleX
!= PIPE_SWIZZLE_X
||
2522 inst
->Src
[1].Register
.SwizzleY
!= PIPE_SWIZZLE_Y
||
2523 inst
->Src
[1].Register
.SwizzleZ
!= PIPE_SWIZZLE_Z
||
2524 inst
->Src
[1].Register
.SwizzleW
!= PIPE_SWIZZLE_W
) {
2525 unsigned char swizzles
[4];
2526 swizzles
[0] = inst
->Src
[1].Register
.SwizzleX
;
2527 swizzles
[1] = inst
->Src
[1].Register
.SwizzleY
;
2528 swizzles
[2] = inst
->Src
[1].Register
.SwizzleZ
;
2529 swizzles
[3] = inst
->Src
[1].Register
.SwizzleW
;
2531 lp_build_swizzle_soa_inplace(&bld
->bld_base
.base
, texel
, swizzles
);
2536 emit_fetch_texels( struct lp_build_tgsi_soa_context
*bld
,
2537 const struct tgsi_full_instruction
*inst
,
2538 LLVMValueRef
*texel
,
2541 unsigned unit
, target
;
2542 LLVMValueRef coord_undef
= LLVMGetUndef(bld
->bld_base
.base
.int_vec_type
);
2543 LLVMValueRef explicit_lod
= NULL
;
2544 LLVMValueRef coords
[5];
2545 LLVMValueRef offsets
[3] = { NULL
};
2546 struct lp_sampler_params params
;
2547 enum lp_sampler_lod_property lod_property
= LP_SAMPLER_LOD_SCALAR
;
2549 unsigned layer_coord
= 0;
2550 unsigned sample_key
= LP_SAMPLER_OP_FETCH
<< LP_SAMPLER_OP_TYPE_SHIFT
;
2552 memset(¶ms
, 0, sizeof(params
));
2554 if (!bld
->sampler
) {
2555 _debug_printf("warning: found texture instruction but no sampler generator supplied\n");
2556 for (i
= 0; i
< 4; i
++) {
2557 texel
[i
] = coord_undef
;
2562 unit
= inst
->Src
[1].Register
.Index
;
2565 target
= bld
->sv
[unit
].Resource
;
2568 target
= inst
->Texture
.Texture
;
2572 case TGSI_TEXTURE_1D
:
2573 case TGSI_TEXTURE_BUFFER
:
2576 case TGSI_TEXTURE_1D_ARRAY
:
2580 case TGSI_TEXTURE_2D
:
2581 case TGSI_TEXTURE_RECT
:
2582 case TGSI_TEXTURE_2D_MSAA
:
2585 case TGSI_TEXTURE_2D_ARRAY
:
2586 case TGSI_TEXTURE_2D_ARRAY_MSAA
:
2590 case TGSI_TEXTURE_3D
:
2598 /* always have lod except for buffers and msaa targets ? */
2599 if (target
!= TGSI_TEXTURE_BUFFER
&&
2600 target
!= TGSI_TEXTURE_2D_MSAA
&&
2601 target
!= TGSI_TEXTURE_2D_ARRAY_MSAA
) {
2602 sample_key
|= LP_SAMPLER_LOD_EXPLICIT
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
2603 explicit_lod
= lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, 3);
2604 lod_property
= lp_build_lod_property(&bld
->bld_base
, inst
, 0);
2607 * XXX: for real msaa support, the w component (or src2.x for sample_i_ms)
2608 * would be the sample index.
2611 for (i
= 0; i
< dims
; i
++) {
2612 coords
[i
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, i
);
2614 /* never use more than 3 coords here but emit_fetch_texel copies all 5 anyway */
2615 for (i
= dims
; i
< 5; i
++) {
2616 coords
[i
] = coord_undef
;
2619 coords
[2] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, layer_coord
);
2621 if (inst
->Texture
.NumOffsets
== 1) {
2623 sample_key
|= LP_SAMPLER_OFFSETS
;
2624 for (dim
= 0; dim
< dims
; dim
++) {
2625 offsets
[dim
] = lp_build_emit_fetch_texoffset(&bld
->bld_base
, inst
, 0, dim
);
2628 sample_key
|= lod_property
<< LP_SAMPLER_LOD_PROPERTY_SHIFT
;
2630 params
.type
= bld
->bld_base
.base
.type
;
2631 params
.sample_key
= sample_key
;
2632 params
.texture_index
= unit
;
2634 * sampler not actually used, set to 0 so it won't exceed PIPE_MAX_SAMPLERS
2635 * and trigger some assertions with d3d10 where the sampler view number
2638 params
.sampler_index
= 0;
2639 params
.context_ptr
= bld
->context_ptr
;
2640 params
.thread_data_ptr
= bld
->thread_data_ptr
;
2641 params
.coords
= coords
;
2642 params
.offsets
= offsets
;
2643 params
.derivs
= NULL
;
2644 params
.lod
= explicit_lod
;
2645 params
.texel
= texel
;
2647 bld
->sampler
->emit_tex_sample(bld
->sampler
,
2648 bld
->bld_base
.base
.gallivm
,
2652 (inst
->Src
[1].Register
.SwizzleX
!= PIPE_SWIZZLE_X
||
2653 inst
->Src
[1].Register
.SwizzleY
!= PIPE_SWIZZLE_Y
||
2654 inst
->Src
[1].Register
.SwizzleZ
!= PIPE_SWIZZLE_Z
||
2655 inst
->Src
[1].Register
.SwizzleW
!= PIPE_SWIZZLE_W
)) {
2656 unsigned char swizzles
[4];
2657 swizzles
[0] = inst
->Src
[1].Register
.SwizzleX
;
2658 swizzles
[1] = inst
->Src
[1].Register
.SwizzleY
;
2659 swizzles
[2] = inst
->Src
[1].Register
.SwizzleZ
;
2660 swizzles
[3] = inst
->Src
[1].Register
.SwizzleW
;
2662 lp_build_swizzle_soa_inplace(&bld
->bld_base
.base
, texel
, swizzles
);
2667 emit_size_query( struct lp_build_tgsi_soa_context
*bld
,
2668 const struct tgsi_full_instruction
*inst
,
2669 LLVMValueRef
*sizes_out
,
2670 boolean is_sviewinfo
)
2672 LLVMValueRef explicit_lod
;
2673 enum lp_sampler_lod_property lod_property
;
2676 unsigned unit
= inst
->Src
[1].Register
.Index
;
2677 unsigned target
, pipe_target
;
2678 struct lp_sampler_size_query_params params
;
2681 target
= bld
->sv
[unit
].Resource
;
2684 target
= inst
->Texture
.Texture
;
2687 case TGSI_TEXTURE_BUFFER
:
2688 case TGSI_TEXTURE_RECT
:
2689 case TGSI_TEXTURE_SHADOWRECT
:
2697 if (!bld
->sampler
) {
2698 _debug_printf("warning: found texture query instruction but no sampler generator supplied\n");
2699 for (i
= 0; i
< 4; i
++)
2700 sizes_out
[i
] = bld
->bld_base
.int_bld
.undef
;
2705 explicit_lod
= lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, 0);
2706 lod_property
= lp_build_lod_property(&bld
->bld_base
, inst
, 0);
2709 explicit_lod
= NULL
;
2710 lod_property
= LP_SAMPLER_LOD_SCALAR
;
2714 pipe_target
= tgsi_to_pipe_tex_target(target
);
2716 params
.int_type
= bld
->bld_base
.int_bld
.type
;
2717 params
.texture_unit
= unit
;
2718 params
.target
= pipe_target
;
2719 params
.context_ptr
= bld
->context_ptr
;
2720 params
.is_sviewinfo
= TRUE
;
2721 params
.lod_property
= lod_property
;
2722 params
.explicit_lod
= explicit_lod
;
2723 params
.sizes_out
= sizes_out
;
2725 bld
->sampler
->emit_size_query(bld
->sampler
,
2726 bld
->bld_base
.base
.gallivm
,
2731 near_end_of_shader(struct lp_build_tgsi_soa_context
*bld
,
2736 for (i
= 0; i
< 5; i
++) {
2739 if (pc
+ i
>= bld
->bld_base
.info
->num_instructions
)
2742 opcode
= bld
->bld_base
.instructions
[pc
+ i
].Instruction
.Opcode
;
2744 if (opcode
== TGSI_OPCODE_END
)
2747 if (opcode
== TGSI_OPCODE_TEX
||
2748 opcode
== TGSI_OPCODE_TXP
||
2749 opcode
== TGSI_OPCODE_TXD
||
2750 opcode
== TGSI_OPCODE_TXB
||
2751 opcode
== TGSI_OPCODE_TXL
||
2752 opcode
== TGSI_OPCODE_TXF
||
2753 opcode
== TGSI_OPCODE_TXQ
||
2754 opcode
== TGSI_OPCODE_TEX2
||
2755 opcode
== TGSI_OPCODE_TXB2
||
2756 opcode
== TGSI_OPCODE_TXL2
||
2757 opcode
== TGSI_OPCODE_SAMPLE
||
2758 opcode
== TGSI_OPCODE_SAMPLE_B
||
2759 opcode
== TGSI_OPCODE_SAMPLE_C
||
2760 opcode
== TGSI_OPCODE_SAMPLE_C_LZ
||
2761 opcode
== TGSI_OPCODE_SAMPLE_D
||
2762 opcode
== TGSI_OPCODE_SAMPLE_I
||
2763 opcode
== TGSI_OPCODE_SAMPLE_I_MS
||
2764 opcode
== TGSI_OPCODE_SAMPLE_L
||
2765 opcode
== TGSI_OPCODE_SVIEWINFO
||
2766 opcode
== TGSI_OPCODE_CAL
||
2767 opcode
== TGSI_OPCODE_CALLNZ
||
2768 opcode
== TGSI_OPCODE_IF
||
2769 opcode
== TGSI_OPCODE_UIF
||
2770 opcode
== TGSI_OPCODE_BGNLOOP
||
2771 opcode
== TGSI_OPCODE_SWITCH
)
2781 * Kill fragment if any of the src register values are negative.
2785 struct lp_build_tgsi_soa_context
*bld
,
2786 const struct tgsi_full_instruction
*inst
,
2789 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
2790 const struct tgsi_full_src_register
*reg
= &inst
->Src
[0];
2791 LLVMValueRef terms
[TGSI_NUM_CHANNELS
];
2793 unsigned chan_index
;
2795 memset(&terms
, 0, sizeof terms
);
2797 TGSI_FOR_EACH_CHANNEL( chan_index
) {
2800 /* Unswizzle channel */
2801 swizzle
= tgsi_util_get_full_src_register_swizzle( reg
, chan_index
);
2803 /* Check if the component has not been already tested. */
2804 assert(swizzle
< TGSI_NUM_CHANNELS
);
2805 if( !terms
[swizzle
] )
2806 /* TODO: change the comparison operator instead of setting the sign */
2807 terms
[swizzle
] = lp_build_emit_fetch(&bld
->bld_base
, inst
, 0, chan_index
);
2811 TGSI_FOR_EACH_CHANNEL( chan_index
) {
2812 if(terms
[chan_index
]) {
2813 LLVMValueRef chan_mask
;
2816 * If term < 0 then mask = 0 else mask = ~0.
2818 chan_mask
= lp_build_cmp(&bld
->bld_base
.base
, PIPE_FUNC_GEQUAL
, terms
[chan_index
], bld
->bld_base
.base
.zero
);
2821 mask
= LLVMBuildAnd(builder
, mask
, chan_mask
, "");
2827 if (bld
->exec_mask
.has_mask
) {
2828 LLVMValueRef invmask
;
2829 invmask
= LLVMBuildNot(builder
, bld
->exec_mask
.exec_mask
, "kilp");
2830 mask
= LLVMBuildOr(builder
, mask
, invmask
, "");
2833 lp_build_mask_update(bld
->mask
, mask
);
2834 if (!near_end_of_shader(bld
, pc
))
2835 lp_build_mask_check(bld
->mask
);
2840 * Unconditional fragment kill.
2841 * The only predication is the execution mask which will apply if
2842 * we're inside a loop or conditional.
2845 emit_kill(struct lp_build_tgsi_soa_context
*bld
,
2848 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
2851 /* For those channels which are "alive", disable fragment shader
2854 if (bld
->exec_mask
.has_mask
) {
2855 mask
= LLVMBuildNot(builder
, bld
->exec_mask
.exec_mask
, "kilp");
2858 LLVMValueRef zero
= LLVMConstNull(bld
->bld_base
.base
.int_vec_type
);
2862 lp_build_mask_update(bld
->mask
, mask
);
2864 if (!near_end_of_shader(bld
, pc
))
2865 lp_build_mask_check(bld
->mask
);
2870 * Emit code which will dump the value of all the temporary registers
2874 emit_dump_file(struct lp_build_tgsi_soa_context
*bld
,
2877 const struct tgsi_shader_info
*info
= bld
->bld_base
.info
;
2878 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
2879 LLVMBuilderRef builder
= gallivm
->builder
;
2880 LLVMValueRef reg_ptr
;
2882 int max_index
= info
->file_max
[file
];
2885 * Some register files, particularly constants, can be very large,
2886 * and dumping everything could make this unusably slow.
2888 max_index
= MIN2(max_index
, 32);
2890 for (index
= 0; index
<= max_index
; index
++) {
2895 if (index
< 8 * sizeof(unsigned) &&
2896 (info
->file_mask
[file
] & (1u << index
)) == 0) {
2897 /* This was not declared.*/
2901 if (file
== TGSI_FILE_INPUT
) {
2902 mask
= info
->input_usage_mask
[index
];
2904 mask
= TGSI_WRITEMASK_XYZW
;
2907 for (chan
= 0; chan
< 4; chan
++) {
2908 if ((mask
& (1 << chan
)) == 0) {
2909 /* This channel is not used.*/
2913 if (file
== TGSI_FILE_CONSTANT
) {
2914 struct tgsi_full_src_register reg
;
2915 memset(®
, 0, sizeof reg
);
2916 reg
.Register
.File
= file
;
2917 reg
.Register
.Index
= index
;
2918 reg
.Register
.SwizzleX
= 0;
2919 reg
.Register
.SwizzleY
= 1;
2920 reg
.Register
.SwizzleZ
= 2;
2921 reg
.Register
.SwizzleW
= 3;
2923 res
= bld
->bld_base
.emit_fetch_funcs
[file
](&bld
->bld_base
, ®
, TGSI_TYPE_FLOAT
, chan
);
2927 } else if (file
== TGSI_FILE_INPUT
) {
2928 res
= bld
->inputs
[index
][chan
];
2932 } else if (file
== TGSI_FILE_TEMPORARY
) {
2933 reg_ptr
= lp_get_temp_ptr_soa(bld
, index
, chan
);
2935 res
= LLVMBuildLoad(builder
, reg_ptr
, "");
2936 } else if (file
== TGSI_FILE_OUTPUT
) {
2937 reg_ptr
= lp_get_output_ptr(bld
, index
, chan
);
2939 res
= LLVMBuildLoad(builder
, reg_ptr
, "");
2945 emit_dump_reg(gallivm
, file
, index
, chan
, res
);
2953 lp_emit_declaration_soa(
2954 struct lp_build_tgsi_context
*bld_base
,
2955 const struct tgsi_full_declaration
*decl
)
2957 struct lp_build_tgsi_soa_context
*bld
= lp_soa_context(bld_base
);
2958 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
2959 LLVMTypeRef vec_type
= bld
->bld_base
.base
.vec_type
;
2960 const unsigned first
= decl
->Range
.First
;
2961 const unsigned last
= decl
->Range
.Last
;
2964 assert(last
<= bld
->bld_base
.info
->file_max
[decl
->Declaration
.File
]);
2966 switch (decl
->Declaration
.File
) {
2967 case TGSI_FILE_TEMPORARY
:
2968 if (!(bld
->indirect_files
& (1 << TGSI_FILE_TEMPORARY
))) {
2969 assert(last
< LP_MAX_INLINED_TEMPS
);
2970 for (idx
= first
; idx
<= last
; ++idx
) {
2971 for (i
= 0; i
< TGSI_NUM_CHANNELS
; i
++)
2972 bld
->temps
[idx
][i
] = lp_build_alloca(gallivm
, vec_type
, "temp");
2977 case TGSI_FILE_OUTPUT
:
2978 if (!(bld
->indirect_files
& (1 << TGSI_FILE_OUTPUT
))) {
2979 for (idx
= first
; idx
<= last
; ++idx
) {
2980 for (i
= 0; i
< TGSI_NUM_CHANNELS
; i
++)
2981 bld
->outputs
[idx
][i
] = lp_build_alloca(gallivm
,
2982 vec_type
, "output");
2987 case TGSI_FILE_ADDRESS
:
2988 /* ADDR registers are only allocated with an integer LLVM IR type,
2989 * as they are guaranteed to always have integers.
2990 * XXX: Not sure if this exception is worthwhile (or the whole idea of
2991 * an ADDR register for that matter).
2993 assert(last
< LP_MAX_TGSI_ADDRS
);
2994 for (idx
= first
; idx
<= last
; ++idx
) {
2995 assert(idx
< LP_MAX_TGSI_ADDRS
);
2996 for (i
= 0; i
< TGSI_NUM_CHANNELS
; i
++)
2997 bld
->addr
[idx
][i
] = lp_build_alloca(gallivm
, bld_base
->base
.int_vec_type
, "addr");
3001 case TGSI_FILE_PREDICATE
:
3002 assert(last
< LP_MAX_TGSI_PREDS
);
3003 for (idx
= first
; idx
<= last
; ++idx
) {
3004 for (i
= 0; i
< TGSI_NUM_CHANNELS
; i
++)
3005 bld
->preds
[idx
][i
] = lp_build_alloca(gallivm
, vec_type
,
3010 case TGSI_FILE_SAMPLER_VIEW
:
3012 * The target stored here MUST match whatever there actually
3013 * is in the set sampler views (what about return type?).
3015 assert(last
< PIPE_MAX_SHADER_SAMPLER_VIEWS
);
3016 for (idx
= first
; idx
<= last
; ++idx
) {
3017 bld
->sv
[idx
] = decl
->SamplerView
;
3021 case TGSI_FILE_CONSTANT
:
3024 * We could trivially fetch the per-buffer pointer when fetching the
3025 * constant, relying on llvm to figure out it's always the same pointer
3026 * anyway. However, doing so results in a huge (more than factor of 10)
3027 * slowdown in llvm compilation times for some (but not all) shaders
3028 * (more specifically, the IR optimization spends way more time in
3029 * DominatorTree::dominates). At least with llvm versions 3.1, 3.3.
3031 unsigned idx2D
= decl
->Dim
.Index2D
;
3032 LLVMValueRef index2D
= lp_build_const_int32(gallivm
, idx2D
);
3033 assert(idx2D
< LP_MAX_TGSI_CONST_BUFFERS
);
3034 bld
->consts
[idx2D
] =
3035 lp_build_array_get(gallivm
, bld
->consts_ptr
, index2D
);
3036 bld
->consts_sizes
[idx2D
] =
3037 lp_build_array_get(gallivm
, bld
->const_sizes_ptr
, index2D
);
3042 /* don't need to declare other vars */
3048 void lp_emit_immediate_soa(
3049 struct lp_build_tgsi_context
*bld_base
,
3050 const struct tgsi_full_immediate
*imm
)
3052 struct lp_build_tgsi_soa_context
*bld
= lp_soa_context(bld_base
);
3053 struct gallivm_state
* gallivm
= bld_base
->base
.gallivm
;
3054 LLVMValueRef imms
[4];
3056 const uint size
= imm
->Immediate
.NrTokens
- 1;
3058 switch (imm
->Immediate
.DataType
) {
3059 case TGSI_IMM_FLOAT32
:
3060 for( i
= 0; i
< size
; ++i
)
3062 lp_build_const_vec(gallivm
, bld_base
->base
.type
, imm
->u
[i
].Float
);
3065 case TGSI_IMM_FLOAT64
:
3066 case TGSI_IMM_UINT64
:
3067 case TGSI_IMM_INT64
:
3068 case TGSI_IMM_UINT32
:
3069 for( i
= 0; i
< size
; ++i
) {
3070 LLVMValueRef tmp
= lp_build_const_vec(gallivm
, bld_base
->uint_bld
.type
, imm
->u
[i
].Uint
);
3071 imms
[i
] = LLVMConstBitCast(tmp
, bld_base
->base
.vec_type
);
3075 case TGSI_IMM_INT32
:
3076 for( i
= 0; i
< size
; ++i
) {
3077 LLVMValueRef tmp
= lp_build_const_vec(gallivm
, bld_base
->int_bld
.type
, imm
->u
[i
].Int
);
3078 imms
[i
] = LLVMConstBitCast(tmp
, bld_base
->base
.vec_type
);
3083 for( i
= size
; i
< 4; ++i
)
3084 imms
[i
] = bld_base
->base
.undef
;
3086 if (bld
->use_immediates_array
) {
3087 unsigned index
= bld
->num_immediates
;
3088 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
3089 LLVMBuilderRef builder
= gallivm
->builder
;
3091 assert(bld
->indirect_files
& (1 << TGSI_FILE_IMMEDIATE
));
3092 for (i
= 0; i
< 4; ++i
) {
3093 LLVMValueRef lindex
= lp_build_const_int32(
3094 bld
->bld_base
.base
.gallivm
, index
* 4 + i
);
3095 LLVMValueRef imm_ptr
= LLVMBuildGEP(builder
,
3096 bld
->imms_array
, &lindex
, 1, "");
3097 LLVMBuildStore(builder
, imms
[i
], imm_ptr
);
3100 /* simply copy the immediate values into the next immediates[] slot */
3102 assert(imm
->Immediate
.NrTokens
- 1 <= 4);
3103 assert(bld
->num_immediates
< LP_MAX_INLINED_IMMEDIATES
);
3105 for(i
= 0; i
< 4; ++i
)
3106 bld
->immediates
[bld
->num_immediates
][i
] = imms
[i
];
3108 if (bld
->indirect_files
& (1 << TGSI_FILE_IMMEDIATE
)) {
3109 unsigned index
= bld
->num_immediates
;
3110 struct gallivm_state
*gallivm
= bld
->bld_base
.base
.gallivm
;
3111 LLVMBuilderRef builder
= gallivm
->builder
;
3112 for (i
= 0; i
< 4; ++i
) {
3113 LLVMValueRef lindex
= lp_build_const_int32(
3114 bld
->bld_base
.base
.gallivm
, index
* 4 + i
);
3115 LLVMValueRef imm_ptr
= LLVMBuildGEP(builder
,
3116 bld
->imms_array
, &lindex
, 1, "");
3117 LLVMBuildStore(builder
,
3118 bld
->immediates
[index
][i
],
3124 bld
->num_immediates
++;
3129 const struct lp_build_tgsi_action
* action
,
3130 struct lp_build_tgsi_context
* bld_base
,
3131 struct lp_build_emit_data
* emit_data
)
3133 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3135 emit_fetch_deriv(bld
, emit_data
->args
[0], NULL
,
3136 &emit_data
->output
[emit_data
->chan
], NULL
);
3141 const struct lp_build_tgsi_action
* action
,
3142 struct lp_build_tgsi_context
* bld_base
,
3143 struct lp_build_emit_data
* emit_data
)
3145 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3147 emit_fetch_deriv(bld
, emit_data
->args
[0], NULL
, NULL
,
3148 &emit_data
->output
[emit_data
->chan
]);
3153 const struct lp_build_tgsi_action
* action
,
3154 struct lp_build_tgsi_context
* bld_base
,
3155 struct lp_build_emit_data
* emit_data
)
3157 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3159 emit_kill(bld
, bld_base
->pc
- 1);
3164 const struct lp_build_tgsi_action
* action
,
3165 struct lp_build_tgsi_context
* bld_base
,
3166 struct lp_build_emit_data
* emit_data
)
3168 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3170 emit_kill_if(bld
, emit_data
->inst
, bld_base
->pc
- 1);
3175 const struct lp_build_tgsi_action
* action
,
3176 struct lp_build_tgsi_context
* bld_base
,
3177 struct lp_build_emit_data
* emit_data
)
3179 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3181 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_NONE
,
3182 emit_data
->output
, 1, LP_SAMPLER_OP_TEXTURE
);
3187 const struct lp_build_tgsi_action
* action
,
3188 struct lp_build_tgsi_context
* bld_base
,
3189 struct lp_build_emit_data
* emit_data
)
3191 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3193 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_NONE
,
3194 emit_data
->output
, 2, LP_SAMPLER_OP_TEXTURE
);
3199 const struct lp_build_tgsi_action
* action
,
3200 struct lp_build_tgsi_context
* bld_base
,
3201 struct lp_build_emit_data
* emit_data
)
3203 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3205 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_LOD_BIAS
,
3206 emit_data
->output
, 1, LP_SAMPLER_OP_TEXTURE
);
3211 const struct lp_build_tgsi_action
* action
,
3212 struct lp_build_tgsi_context
* bld_base
,
3213 struct lp_build_emit_data
* emit_data
)
3215 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3217 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_LOD_BIAS
,
3218 emit_data
->output
, 2, LP_SAMPLER_OP_TEXTURE
);
3223 const struct lp_build_tgsi_action
* action
,
3224 struct lp_build_tgsi_context
* bld_base
,
3225 struct lp_build_emit_data
* emit_data
)
3227 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3229 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV
,
3230 emit_data
->output
, 3, LP_SAMPLER_OP_TEXTURE
);
3235 const struct lp_build_tgsi_action
* action
,
3236 struct lp_build_tgsi_context
* bld_base
,
3237 struct lp_build_emit_data
* emit_data
)
3239 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3241 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
,
3242 emit_data
->output
, 1, LP_SAMPLER_OP_TEXTURE
);
3247 const struct lp_build_tgsi_action
* action
,
3248 struct lp_build_tgsi_context
* bld_base
,
3249 struct lp_build_emit_data
* emit_data
)
3251 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3253 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
,
3254 emit_data
->output
, 2, LP_SAMPLER_OP_TEXTURE
);
3259 const struct lp_build_tgsi_action
* action
,
3260 struct lp_build_tgsi_context
* bld_base
,
3261 struct lp_build_emit_data
* emit_data
)
3263 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3265 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_PROJECTED
,
3266 emit_data
->output
, 1, LP_SAMPLER_OP_TEXTURE
);
3271 const struct lp_build_tgsi_action
* action
,
3272 struct lp_build_tgsi_context
* bld_base
,
3273 struct lp_build_emit_data
* emit_data
)
3275 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3277 emit_tex(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_NONE
,
3278 emit_data
->output
, 2, LP_SAMPLER_OP_GATHER
);
3283 const struct lp_build_tgsi_action
* action
,
3284 struct lp_build_tgsi_context
* bld_base
,
3285 struct lp_build_emit_data
* emit_data
)
3287 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3289 emit_size_query(bld
, emit_data
->inst
, emit_data
->output
, FALSE
);
3294 const struct lp_build_tgsi_action
* action
,
3295 struct lp_build_tgsi_context
* bld_base
,
3296 struct lp_build_emit_data
* emit_data
)
3298 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3300 emit_fetch_texels(bld
, emit_data
->inst
, emit_data
->output
, FALSE
);
3305 const struct lp_build_tgsi_action
* action
,
3306 struct lp_build_tgsi_context
* bld_base
,
3307 struct lp_build_emit_data
* emit_data
)
3309 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3311 emit_fetch_texels(bld
, emit_data
->inst
, emit_data
->output
, TRUE
);
3316 const struct lp_build_tgsi_action
* action
,
3317 struct lp_build_tgsi_context
* bld_base
,
3318 struct lp_build_emit_data
* emit_data
)
3320 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3322 emit_sample(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_NONE
,
3323 FALSE
, emit_data
->output
);
3328 const struct lp_build_tgsi_action
* action
,
3329 struct lp_build_tgsi_context
* bld_base
,
3330 struct lp_build_emit_data
* emit_data
)
3332 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3334 emit_sample(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_LOD_BIAS
,
3335 FALSE
, emit_data
->output
);
3340 const struct lp_build_tgsi_action
* action
,
3341 struct lp_build_tgsi_context
* bld_base
,
3342 struct lp_build_emit_data
* emit_data
)
3344 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3346 emit_sample(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_NONE
,
3347 TRUE
, emit_data
->output
);
3352 const struct lp_build_tgsi_action
* action
,
3353 struct lp_build_tgsi_context
* bld_base
,
3354 struct lp_build_emit_data
* emit_data
)
3356 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3358 emit_sample(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_LOD_ZERO
,
3359 TRUE
, emit_data
->output
);
3364 const struct lp_build_tgsi_action
* action
,
3365 struct lp_build_tgsi_context
* bld_base
,
3366 struct lp_build_emit_data
* emit_data
)
3368 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3370 emit_sample(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_EXPLICIT_DERIV
,
3371 FALSE
, emit_data
->output
);
3376 const struct lp_build_tgsi_action
* action
,
3377 struct lp_build_tgsi_context
* bld_base
,
3378 struct lp_build_emit_data
* emit_data
)
3380 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3382 emit_sample(bld
, emit_data
->inst
, LP_BLD_TEX_MODIFIER_EXPLICIT_LOD
,
3383 FALSE
, emit_data
->output
);
3388 const struct lp_build_tgsi_action
* action
,
3389 struct lp_build_tgsi_context
* bld_base
,
3390 struct lp_build_emit_data
* emit_data
)
3392 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3394 emit_size_query(bld
, emit_data
->inst
, emit_data
->output
, TRUE
);
3398 mask_vec(struct lp_build_tgsi_context
*bld_base
)
3400 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3401 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
3402 struct lp_exec_mask
*exec_mask
= &bld
->exec_mask
;
3404 if (!exec_mask
->has_mask
) {
3405 return lp_build_mask_value(bld
->mask
);
3407 return LLVMBuildAnd(builder
, lp_build_mask_value(bld
->mask
),
3408 exec_mask
->exec_mask
, "");
3412 increment_vec_ptr_by_mask(struct lp_build_tgsi_context
* bld_base
,
3416 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
3417 LLVMValueRef current_vec
= LLVMBuildLoad(builder
, ptr
, "");
3419 current_vec
= LLVMBuildSub(builder
, current_vec
, mask
, "");
3421 LLVMBuildStore(builder
, current_vec
, ptr
);
3425 clear_uint_vec_ptr_from_mask(struct lp_build_tgsi_context
* bld_base
,
3429 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
3430 LLVMValueRef current_vec
= LLVMBuildLoad(builder
, ptr
, "");
3432 current_vec
= lp_build_select(&bld_base
->uint_bld
,
3434 bld_base
->uint_bld
.zero
,
3437 LLVMBuildStore(builder
, current_vec
, ptr
);
3441 clamp_mask_to_max_output_vertices(struct lp_build_tgsi_soa_context
* bld
,
3442 LLVMValueRef current_mask_vec
,
3443 LLVMValueRef total_emitted_vertices_vec
)
3445 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
3446 struct lp_build_context
*int_bld
= &bld
->bld_base
.int_bld
;
3447 LLVMValueRef max_mask
= lp_build_cmp(int_bld
, PIPE_FUNC_LESS
,
3448 total_emitted_vertices_vec
,
3449 bld
->max_output_vertices_vec
);
3451 return LLVMBuildAnd(builder
, current_mask_vec
, max_mask
, "");
3456 const struct lp_build_tgsi_action
* action
,
3457 struct lp_build_tgsi_context
* bld_base
,
3458 struct lp_build_emit_data
* emit_data
)
3460 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3461 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
3463 if (bld
->gs_iface
->emit_vertex
) {
3464 LLVMValueRef mask
= mask_vec(bld_base
);
3465 LLVMValueRef total_emitted_vertices_vec
=
3466 LLVMBuildLoad(builder
, bld
->total_emitted_vertices_vec_ptr
, "");
3467 mask
= clamp_mask_to_max_output_vertices(bld
, mask
,
3468 total_emitted_vertices_vec
);
3469 gather_outputs(bld
);
3470 bld
->gs_iface
->emit_vertex(bld
->gs_iface
, &bld
->bld_base
,
3472 total_emitted_vertices_vec
);
3473 increment_vec_ptr_by_mask(bld_base
, bld
->emitted_vertices_vec_ptr
,
3475 increment_vec_ptr_by_mask(bld_base
, bld
->total_emitted_vertices_vec_ptr
,
3478 lp_build_print_value(bld
->bld_base
.base
.gallivm
,
3479 " +++ emit vertex masked ones = ",
3481 lp_build_print_value(bld
->bld_base
.base
.gallivm
,
3482 " +++ emit vertex emitted = ",
3483 total_emitted_vertices_vec
);
3490 end_primitive_masked(struct lp_build_tgsi_context
* bld_base
,
3493 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3494 LLVMBuilderRef builder
= bld
->bld_base
.base
.gallivm
->builder
;
3496 if (bld
->gs_iface
->end_primitive
) {
3497 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
3498 LLVMValueRef emitted_vertices_vec
=
3499 LLVMBuildLoad(builder
, bld
->emitted_vertices_vec_ptr
, "");
3500 LLVMValueRef emitted_prims_vec
=
3501 LLVMBuildLoad(builder
, bld
->emitted_prims_vec_ptr
, "");
3503 LLVMValueRef emitted_mask
= lp_build_cmp(uint_bld
, PIPE_FUNC_NOTEQUAL
,
3504 emitted_vertices_vec
,
3506 /* We need to combine the current execution mask with the mask
3507 telling us which, if any, execution slots actually have
3508 unemitted primitives, this way we make sure that end_primitives
3509 executes only on the paths that have unflushed vertices */
3510 mask
= LLVMBuildAnd(builder
, mask
, emitted_mask
, "");
3512 bld
->gs_iface
->end_primitive(bld
->gs_iface
, &bld
->bld_base
,
3513 emitted_vertices_vec
,
3517 lp_build_print_value(bld
->bld_base
.base
.gallivm
,
3518 " +++ end prim masked ones = ",
3520 lp_build_print_value(bld
->bld_base
.base
.gallivm
,
3521 " +++ end prim emitted verts1 = ",
3522 emitted_vertices_vec
);
3523 lp_build_print_value(bld
->bld_base
.base
.gallivm
,
3524 " +++ end prim emitted prims1 = ",
3525 LLVMBuildLoad(builder
,
3526 bld
->emitted_prims_vec_ptr
, ""));
3528 increment_vec_ptr_by_mask(bld_base
, bld
->emitted_prims_vec_ptr
,
3530 clear_uint_vec_ptr_from_mask(bld_base
, bld
->emitted_vertices_vec_ptr
,
3533 lp_build_print_value(bld
->bld_base
.base
.gallivm
,
3534 " +++ end prim emitted verts2 = ",
3535 LLVMBuildLoad(builder
,
3536 bld
->emitted_vertices_vec_ptr
, ""));
3544 const struct lp_build_tgsi_action
* action
,
3545 struct lp_build_tgsi_context
* bld_base
,
3546 struct lp_build_emit_data
* emit_data
)
3548 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3550 if (bld
->gs_iface
->end_primitive
) {
3551 LLVMValueRef mask
= mask_vec(bld_base
);
3552 end_primitive_masked(bld_base
, mask
);
3558 const struct lp_build_tgsi_action
* action
,
3559 struct lp_build_tgsi_context
* bld_base
,
3560 struct lp_build_emit_data
* emit_data
)
3562 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3564 lp_exec_mask_call(&bld
->exec_mask
, emit_data
->inst
->Label
.Label
,
3570 const struct lp_build_tgsi_action
* action
,
3571 struct lp_build_tgsi_context
* bld_base
,
3572 struct lp_build_emit_data
* emit_data
)
3574 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3576 lp_exec_mask_ret(&bld
->exec_mask
, &bld_base
->pc
);
3581 const struct lp_build_tgsi_action
* action
,
3582 struct lp_build_tgsi_context
* bld_base
,
3583 struct lp_build_emit_data
* emit_data
)
3585 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3587 lp_exec_break(&bld
->exec_mask
, bld_base
);
3592 const struct lp_build_tgsi_action
* action
,
3593 struct lp_build_tgsi_context
* bld_base
,
3594 struct lp_build_emit_data
* emit_data
)
3596 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3597 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
3598 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
3599 LLVMValueRef unsigned_cond
=
3600 LLVMBuildBitCast(builder
, emit_data
->args
[0], uint_bld
->vec_type
, "");
3601 LLVMValueRef cond
= lp_build_cmp(uint_bld
, PIPE_FUNC_NOTEQUAL
,
3605 lp_exec_break_condition(&bld
->exec_mask
, cond
);
3610 const struct lp_build_tgsi_action
* action
,
3611 struct lp_build_tgsi_context
* bld_base
,
3612 struct lp_build_emit_data
* emit_data
)
3615 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3617 tmp
= lp_build_cmp(&bld_base
->base
, PIPE_FUNC_NOTEQUAL
,
3618 emit_data
->args
[0], bld
->bld_base
.base
.zero
);
3619 lp_exec_mask_cond_push(&bld
->exec_mask
, tmp
);
3624 const struct lp_build_tgsi_action
* action
,
3625 struct lp_build_tgsi_context
* bld_base
,
3626 struct lp_build_emit_data
* emit_data
)
3629 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3630 struct lp_build_context
*uint_bld
= &bld_base
->uint_bld
;
3632 tmp
= lp_build_cmp(uint_bld
, PIPE_FUNC_NOTEQUAL
,
3633 emit_data
->args
[0], uint_bld
->zero
);
3634 lp_exec_mask_cond_push(&bld
->exec_mask
, tmp
);
3639 const struct lp_build_tgsi_action
* action
,
3640 struct lp_build_tgsi_context
* bld_base
,
3641 struct lp_build_emit_data
* emit_data
)
3643 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3645 lp_exec_case(&bld
->exec_mask
, emit_data
->args
[0]);
3650 const struct lp_build_tgsi_action
* action
,
3651 struct lp_build_tgsi_context
* bld_base
,
3652 struct lp_build_emit_data
* emit_data
)
3654 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3656 lp_exec_default(&bld
->exec_mask
, bld_base
);
3661 const struct lp_build_tgsi_action
* action
,
3662 struct lp_build_tgsi_context
* bld_base
,
3663 struct lp_build_emit_data
* emit_data
)
3665 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3667 lp_exec_switch(&bld
->exec_mask
, emit_data
->args
[0]);
3672 const struct lp_build_tgsi_action
* action
,
3673 struct lp_build_tgsi_context
* bld_base
,
3674 struct lp_build_emit_data
* emit_data
)
3676 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3678 lp_exec_endswitch(&bld
->exec_mask
, bld_base
);
3683 const struct lp_build_tgsi_action
* action
,
3684 struct lp_build_tgsi_context
* bld_base
,
3685 struct lp_build_emit_data
* emit_data
)
3687 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3689 lp_exec_bgnloop(&bld
->exec_mask
);
3694 const struct lp_build_tgsi_action
* action
,
3695 struct lp_build_tgsi_context
* bld_base
,
3696 struct lp_build_emit_data
* emit_data
)
3698 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3700 lp_exec_mask_bgnsub(&bld
->exec_mask
);
3705 const struct lp_build_tgsi_action
* action
,
3706 struct lp_build_tgsi_context
* bld_base
,
3707 struct lp_build_emit_data
* emit_data
)
3709 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3711 lp_exec_mask_cond_invert(&bld
->exec_mask
);
3716 const struct lp_build_tgsi_action
* action
,
3717 struct lp_build_tgsi_context
* bld_base
,
3718 struct lp_build_emit_data
* emit_data
)
3720 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3722 lp_exec_mask_cond_pop(&bld
->exec_mask
);
3727 const struct lp_build_tgsi_action
* action
,
3728 struct lp_build_tgsi_context
* bld_base
,
3729 struct lp_build_emit_data
* emit_data
)
3731 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3733 lp_exec_endloop(bld_base
->base
.gallivm
, &bld
->exec_mask
);
3738 const struct lp_build_tgsi_action
* action
,
3739 struct lp_build_tgsi_context
* bld_base
,
3740 struct lp_build_emit_data
* emit_data
)
3742 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3744 lp_exec_mask_endsub(&bld
->exec_mask
, &bld_base
->pc
);
3749 const struct lp_build_tgsi_action
* action
,
3750 struct lp_build_tgsi_context
* bld_base
,
3751 struct lp_build_emit_data
* emit_data
)
3753 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3755 lp_exec_continue(&bld
->exec_mask
);
3758 static void emit_prologue(struct lp_build_tgsi_context
* bld_base
)
3760 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3761 struct gallivm_state
* gallivm
= bld_base
->base
.gallivm
;
3763 if (bld
->indirect_files
& (1 << TGSI_FILE_TEMPORARY
)) {
3764 LLVMValueRef array_size
=
3765 lp_build_const_int32(gallivm
,
3766 bld_base
->info
->file_max
[TGSI_FILE_TEMPORARY
] * 4 + 4);
3767 bld
->temps_array
= lp_build_array_alloca(gallivm
,
3768 bld_base
->base
.vec_type
, array_size
,
3772 if (bld
->indirect_files
& (1 << TGSI_FILE_OUTPUT
)) {
3773 LLVMValueRef array_size
=
3774 lp_build_const_int32(gallivm
,
3775 bld_base
->info
->file_max
[TGSI_FILE_OUTPUT
] * 4 + 4);
3776 bld
->outputs_array
= lp_build_array_alloca(gallivm
,
3777 bld_base
->base
.vec_type
, array_size
,
3781 if (bld
->indirect_files
& (1 << TGSI_FILE_IMMEDIATE
)) {
3782 LLVMValueRef array_size
=
3783 lp_build_const_int32(gallivm
,
3784 bld_base
->info
->file_max
[TGSI_FILE_IMMEDIATE
] * 4 + 4);
3785 bld
->imms_array
= lp_build_array_alloca(gallivm
,
3786 bld_base
->base
.vec_type
, array_size
,
3790 /* If we have indirect addressing in inputs we need to copy them into
3791 * our alloca array to be able to iterate over them */
3792 if (bld
->indirect_files
& (1 << TGSI_FILE_INPUT
) && !bld
->gs_iface
) {
3793 unsigned index
, chan
;
3794 LLVMTypeRef vec_type
= bld_base
->base
.vec_type
;
3795 LLVMValueRef array_size
= lp_build_const_int32(gallivm
,
3796 bld_base
->info
->file_max
[TGSI_FILE_INPUT
]*4 + 4);
3797 bld
->inputs_array
= lp_build_array_alloca(gallivm
,
3798 vec_type
, array_size
,
3801 assert(bld_base
->info
->num_inputs
3802 <= bld_base
->info
->file_max
[TGSI_FILE_INPUT
] + 1);
3804 for (index
= 0; index
< bld_base
->info
->num_inputs
; ++index
) {
3805 for (chan
= 0; chan
< TGSI_NUM_CHANNELS
; ++chan
) {
3806 LLVMValueRef lindex
=
3807 lp_build_const_int32(gallivm
, index
* 4 + chan
);
3808 LLVMValueRef input_ptr
=
3809 LLVMBuildGEP(gallivm
->builder
, bld
->inputs_array
,
3811 LLVMValueRef value
= bld
->inputs
[index
][chan
];
3813 LLVMBuildStore(gallivm
->builder
, value
, input_ptr
);
3818 if (bld
->gs_iface
) {
3819 struct lp_build_context
*uint_bld
= &bld
->bld_base
.uint_bld
;
3820 bld
->emitted_prims_vec_ptr
=
3821 lp_build_alloca(gallivm
,
3823 "emitted_prims_ptr");
3824 bld
->emitted_vertices_vec_ptr
=
3825 lp_build_alloca(gallivm
,
3827 "emitted_vertices_ptr");
3828 bld
->total_emitted_vertices_vec_ptr
=
3829 lp_build_alloca(gallivm
,
3831 "total_emitted_vertices_ptr");
3833 LLVMBuildStore(gallivm
->builder
, uint_bld
->zero
,
3834 bld
->emitted_prims_vec_ptr
);
3835 LLVMBuildStore(gallivm
->builder
, uint_bld
->zero
,
3836 bld
->emitted_vertices_vec_ptr
);
3837 LLVMBuildStore(gallivm
->builder
, uint_bld
->zero
,
3838 bld
->total_emitted_vertices_vec_ptr
);
3841 if (DEBUG_EXECUTION
) {
3842 lp_build_printf(gallivm
, "\n");
3843 emit_dump_file(bld
, TGSI_FILE_CONSTANT
);
3845 emit_dump_file(bld
, TGSI_FILE_INPUT
);
3849 static void emit_epilogue(struct lp_build_tgsi_context
* bld_base
)
3851 struct lp_build_tgsi_soa_context
* bld
= lp_soa_context(bld_base
);
3852 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
3854 if (DEBUG_EXECUTION
) {
3857 emit_dump_file(bld
, TGSI_FILE_TEMPORARY
);
3859 emit_dump_file(bld
, TGSI_FILE_OUTPUT
);
3860 lp_build_printf(bld_base
->base
.gallivm
, "\n");
3863 /* If we have indirect addressing in outputs we need to copy our alloca array
3864 * to the outputs slots specified by the caller */
3865 if (bld
->gs_iface
) {
3866 LLVMValueRef total_emitted_vertices_vec
;
3867 LLVMValueRef emitted_prims_vec
;
3868 /* implicit end_primitives, needed in case there are any unflushed
3869 vertices in the cache. Note must not call end_primitive here
3870 since the exec_mask is not valid at this point. */
3871 end_primitive_masked(bld_base
, lp_build_mask_value(bld
->mask
));
3873 total_emitted_vertices_vec
=
3874 LLVMBuildLoad(builder
, bld
->total_emitted_vertices_vec_ptr
, "");
3876 LLVMBuildLoad(builder
, bld
->emitted_prims_vec_ptr
, "");
3878 bld
->gs_iface
->gs_epilogue(bld
->gs_iface
,
3880 total_emitted_vertices_vec
,
3883 gather_outputs(bld
);
3888 lp_build_tgsi_soa(struct gallivm_state
*gallivm
,
3889 const struct tgsi_token
*tokens
,
3890 struct lp_type type
,
3891 struct lp_build_mask_context
*mask
,
3892 LLVMValueRef consts_ptr
,
3893 LLVMValueRef const_sizes_ptr
,
3894 const struct lp_bld_tgsi_system_values
*system_values
,
3895 const LLVMValueRef (*inputs
)[TGSI_NUM_CHANNELS
],
3896 LLVMValueRef (*outputs
)[TGSI_NUM_CHANNELS
],
3897 LLVMValueRef context_ptr
,
3898 LLVMValueRef thread_data_ptr
,
3899 struct lp_build_sampler_soa
*sampler
,
3900 const struct tgsi_shader_info
*info
,
3901 const struct lp_build_tgsi_gs_iface
*gs_iface
)
3903 struct lp_build_tgsi_soa_context bld
;
3905 struct lp_type res_type
;
3907 assert(type
.length
<= LP_MAX_VECTOR_LENGTH
);
3908 memset(&res_type
, 0, sizeof res_type
);
3909 res_type
.width
= type
.width
;
3910 res_type
.length
= type
.length
;
3913 /* Setup build context */
3914 memset(&bld
, 0, sizeof bld
);
3915 lp_build_context_init(&bld
.bld_base
.base
, gallivm
, type
);
3916 lp_build_context_init(&bld
.bld_base
.uint_bld
, gallivm
, lp_uint_type(type
));
3917 lp_build_context_init(&bld
.bld_base
.int_bld
, gallivm
, lp_int_type(type
));
3918 lp_build_context_init(&bld
.elem_bld
, gallivm
, lp_elem_type(type
));
3920 struct lp_type dbl_type
;
3922 dbl_type
.width
*= 2;
3923 lp_build_context_init(&bld
.bld_base
.dbl_bld
, gallivm
, dbl_type
);
3926 struct lp_type uint64_type
;
3927 uint64_type
= lp_uint_type(type
);
3928 uint64_type
.width
*= 2;
3929 lp_build_context_init(&bld
.bld_base
.uint64_bld
, gallivm
, uint64_type
);
3932 struct lp_type int64_type
;
3933 int64_type
= lp_int_type(type
);
3934 int64_type
.width
*= 2;
3935 lp_build_context_init(&bld
.bld_base
.int64_bld
, gallivm
, int64_type
);
3938 bld
.inputs
= inputs
;
3939 bld
.outputs
= outputs
;
3940 bld
.consts_ptr
= consts_ptr
;
3941 bld
.const_sizes_ptr
= const_sizes_ptr
;
3942 bld
.sampler
= sampler
;
3943 bld
.bld_base
.info
= info
;
3944 bld
.indirect_files
= info
->indirect_files
;
3945 bld
.context_ptr
= context_ptr
;
3946 bld
.thread_data_ptr
= thread_data_ptr
;
3949 * If the number of temporaries is rather large then we just
3950 * allocate them as an array right from the start and treat
3951 * like indirect temporaries.
3953 if (info
->file_max
[TGSI_FILE_TEMPORARY
] >= LP_MAX_INLINED_TEMPS
) {
3954 bld
.indirect_files
|= (1 << TGSI_FILE_TEMPORARY
);
3957 * For performance reason immediates are always backed in a static
3958 * array, but if their number is too great, we have to use just
3959 * a dynamically allocated array.
3961 bld
.use_immediates_array
=
3962 (info
->file_max
[TGSI_FILE_IMMEDIATE
] >= LP_MAX_INLINED_IMMEDIATES
);
3963 if (bld
.use_immediates_array
) {
3964 bld
.indirect_files
|= (1 << TGSI_FILE_IMMEDIATE
);
3968 bld
.bld_base
.soa
= TRUE
;
3969 bld
.bld_base
.emit_debug
= emit_debug
;
3970 bld
.bld_base
.emit_fetch_funcs
[TGSI_FILE_CONSTANT
] = emit_fetch_constant
;
3971 bld
.bld_base
.emit_fetch_funcs
[TGSI_FILE_IMMEDIATE
] = emit_fetch_immediate
;
3972 bld
.bld_base
.emit_fetch_funcs
[TGSI_FILE_INPUT
] = emit_fetch_input
;
3973 bld
.bld_base
.emit_fetch_funcs
[TGSI_FILE_TEMPORARY
] = emit_fetch_temporary
;
3974 bld
.bld_base
.emit_fetch_funcs
[TGSI_FILE_SYSTEM_VALUE
] = emit_fetch_system_value
;
3975 bld
.bld_base
.emit_store
= emit_store
;
3977 bld
.bld_base
.emit_declaration
= lp_emit_declaration_soa
;
3978 bld
.bld_base
.emit_immediate
= lp_emit_immediate_soa
;
3980 bld
.bld_base
.emit_prologue
= emit_prologue
;
3981 bld
.bld_base
.emit_epilogue
= emit_epilogue
;
3983 /* Set opcode actions */
3984 lp_set_default_actions_cpu(&bld
.bld_base
);
3986 bld
.bld_base
.op_actions
[TGSI_OPCODE_BGNLOOP
].emit
= bgnloop_emit
;
3987 bld
.bld_base
.op_actions
[TGSI_OPCODE_BGNSUB
].emit
= bgnsub_emit
;
3988 bld
.bld_base
.op_actions
[TGSI_OPCODE_BRK
].emit
= brk_emit
;
3989 bld
.bld_base
.op_actions
[TGSI_OPCODE_BREAKC
].emit
= breakc_emit
;
3990 bld
.bld_base
.op_actions
[TGSI_OPCODE_CAL
].emit
= cal_emit
;
3991 bld
.bld_base
.op_actions
[TGSI_OPCODE_CASE
].emit
= case_emit
;
3992 bld
.bld_base
.op_actions
[TGSI_OPCODE_CONT
].emit
= cont_emit
;
3993 bld
.bld_base
.op_actions
[TGSI_OPCODE_DDX
].emit
= ddx_emit
;
3994 bld
.bld_base
.op_actions
[TGSI_OPCODE_DDY
].emit
= ddy_emit
;
3995 bld
.bld_base
.op_actions
[TGSI_OPCODE_DEFAULT
].emit
= default_emit
;
3996 bld
.bld_base
.op_actions
[TGSI_OPCODE_ELSE
].emit
= else_emit
;
3997 bld
.bld_base
.op_actions
[TGSI_OPCODE_ENDIF
].emit
= endif_emit
;
3998 bld
.bld_base
.op_actions
[TGSI_OPCODE_ENDLOOP
].emit
= endloop_emit
;
3999 bld
.bld_base
.op_actions
[TGSI_OPCODE_ENDSUB
].emit
= endsub_emit
;
4000 bld
.bld_base
.op_actions
[TGSI_OPCODE_ENDSWITCH
].emit
= endswitch_emit
;
4001 bld
.bld_base
.op_actions
[TGSI_OPCODE_IF
].emit
= if_emit
;
4002 bld
.bld_base
.op_actions
[TGSI_OPCODE_UIF
].emit
= uif_emit
;
4003 bld
.bld_base
.op_actions
[TGSI_OPCODE_KILL_IF
].emit
= kill_if_emit
;
4004 bld
.bld_base
.op_actions
[TGSI_OPCODE_KILL
].emit
= kill_emit
;
4005 bld
.bld_base
.op_actions
[TGSI_OPCODE_RET
].emit
= ret_emit
;
4006 bld
.bld_base
.op_actions
[TGSI_OPCODE_SWITCH
].emit
= switch_emit
;
4007 bld
.bld_base
.op_actions
[TGSI_OPCODE_TEX
].emit
= tex_emit
;
4008 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXB
].emit
= txb_emit
;
4009 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXD
].emit
= txd_emit
;
4010 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXL
].emit
= txl_emit
;
4011 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXP
].emit
= txp_emit
;
4012 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXQ
].emit
= txq_emit
;
4013 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXF
].emit
= txf_emit
;
4014 bld
.bld_base
.op_actions
[TGSI_OPCODE_TEX2
].emit
= tex2_emit
;
4015 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXB2
].emit
= txb2_emit
;
4016 bld
.bld_base
.op_actions
[TGSI_OPCODE_TXL2
].emit
= txl2_emit
;
4017 bld
.bld_base
.op_actions
[TGSI_OPCODE_TG4
].emit
= tg4_emit
;
4018 /* DX10 sampling ops */
4019 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE
].emit
= sample_emit
;
4020 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_B
].emit
= sample_b_emit
;
4021 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_C
].emit
= sample_c_emit
;
4022 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_C_LZ
].emit
= sample_c_lz_emit
;
4023 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_D
].emit
= sample_d_emit
;
4024 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_I
].emit
= sample_i_emit
;
4025 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_I_MS
].emit
= sample_i_emit
;
4026 bld
.bld_base
.op_actions
[TGSI_OPCODE_SAMPLE_L
].emit
= sample_l_emit
;
4027 bld
.bld_base
.op_actions
[TGSI_OPCODE_SVIEWINFO
].emit
= sviewinfo_emit
;
4030 /* There's no specific value for this because it should always
4031 * be set, but apps using ext_geometry_shader4 quite often
4032 * were forgetting so we're using MAX_VERTEX_VARYING from
4033 * that spec even though we could debug_assert if it's not
4034 * set, but that's a lot uglier. */
4035 uint max_output_vertices
;
4037 /* inputs are always indirect with gs */
4038 bld
.indirect_files
|= (1 << TGSI_FILE_INPUT
);
4039 bld
.gs_iface
= gs_iface
;
4040 bld
.bld_base
.emit_fetch_funcs
[TGSI_FILE_INPUT
] = emit_fetch_gs_input
;
4041 bld
.bld_base
.op_actions
[TGSI_OPCODE_EMIT
].emit
= emit_vertex
;
4042 bld
.bld_base
.op_actions
[TGSI_OPCODE_ENDPRIM
].emit
= end_primitive
;
4044 max_output_vertices
=
4045 info
->properties
[TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
];
4046 if (!max_output_vertices
)
4047 max_output_vertices
= 32;
4049 bld
.max_output_vertices_vec
=
4050 lp_build_const_int_vec(gallivm
, bld
.bld_base
.int_bld
.type
,
4051 max_output_vertices
);
4054 lp_exec_mask_init(&bld
.exec_mask
, &bld
.bld_base
.int_bld
);
4056 bld
.system_values
= *system_values
;
4058 lp_build_tgsi_llvm(&bld
.bld_base
, tokens
);
4061 LLVMBasicBlockRef block
= LLVMGetInsertBlock(gallivm
->builder
);
4062 LLVMValueRef function
= LLVMGetBasicBlockParent(block
);
4063 debug_printf("11111111111111111111111111111 \n");
4064 tgsi_dump(tokens
, 0);
4065 lp_debug_dump_value(function
);
4066 debug_printf("2222222222222222222222222222 \n");
4070 LLVMModuleRef module
= LLVMGetGlobalParent(
4071 LLVMGetBasicBlockParent(LLVMGetInsertBlock(gallivm
->builder
)));
4072 LLVMDumpModule(module
);
4075 lp_exec_mask_fini(&bld
.exec_mask
);