1 /**************************************************************************
3 * Copyright 2019 Red Hat.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **************************************************************************/
26 #include "lp_bld_nir.h"
27 #include "lp_bld_arit.h"
28 #include "lp_bld_bitarit.h"
29 #include "lp_bld_const.h"
30 #include "lp_bld_gather.h"
31 #include "lp_bld_logic.h"
32 #include "lp_bld_quad.h"
33 #include "lp_bld_flow.h"
34 #include "lp_bld_struct.h"
35 #include "lp_bld_debug.h"
36 #include "lp_bld_printf.h"
37 #include "nir_deref.h"
39 static void visit_cf_list(struct lp_build_nir_context
*bld_base
,
40 struct exec_list
*list
);
42 static LLVMValueRef
cast_type(struct lp_build_nir_context
*bld_base
, LLVMValueRef val
,
43 nir_alu_type alu_type
, unsigned bit_size
)
45 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
50 return LLVMBuildBitCast(builder
, val
, bld_base
->base
.vec_type
, "");
52 return LLVMBuildBitCast(builder
, val
, bld_base
->dbl_bld
.vec_type
, "");
61 return LLVMBuildBitCast(builder
, val
, bld_base
->int_bld
.vec_type
, "");
63 return LLVMBuildBitCast(builder
, val
, bld_base
->int64_bld
.vec_type
, "");
72 return LLVMBuildBitCast(builder
, val
, bld_base
->uint_bld
.vec_type
, "");
74 return LLVMBuildBitCast(builder
, val
, bld_base
->uint64_bld
.vec_type
, "");
81 return LLVMBuildBitCast(builder
, val
, bld_base
->uint_bld
.vec_type
, "");
88 static struct lp_build_context
*get_int_bld(struct lp_build_nir_context
*bld_base
,
93 if (op_bit_size
== 64)
94 return &bld_base
->uint64_bld
;
96 return &bld_base
->uint_bld
;
97 else if (op_bit_size
== 64)
98 return &bld_base
->int64_bld
;
100 return &bld_base
->int_bld
;
103 static struct lp_build_context
*get_flt_bld(struct lp_build_nir_context
*bld_base
,
104 unsigned op_bit_size
)
106 if (op_bit_size
== 64)
107 return &bld_base
->dbl_bld
;
109 return &bld_base
->base
;
112 static unsigned glsl_sampler_to_pipe(int sampler_dim
, bool is_array
)
114 unsigned pipe_target
= PIPE_BUFFER
;
115 switch (sampler_dim
) {
116 case GLSL_SAMPLER_DIM_1D
:
117 pipe_target
= is_array
? PIPE_TEXTURE_1D_ARRAY
: PIPE_TEXTURE_1D
;
119 case GLSL_SAMPLER_DIM_2D
:
120 pipe_target
= is_array
? PIPE_TEXTURE_2D_ARRAY
: PIPE_TEXTURE_2D
;
122 case GLSL_SAMPLER_DIM_3D
:
123 pipe_target
= PIPE_TEXTURE_3D
;
125 case GLSL_SAMPLER_DIM_CUBE
:
126 pipe_target
= is_array
? PIPE_TEXTURE_CUBE_ARRAY
: PIPE_TEXTURE_CUBE
;
128 case GLSL_SAMPLER_DIM_RECT
:
129 pipe_target
= PIPE_TEXTURE_RECT
;
131 case GLSL_SAMPLER_DIM_BUF
:
132 pipe_target
= PIPE_BUFFER
;
140 static LLVMValueRef
get_ssa_src(struct lp_build_nir_context
*bld_base
, nir_ssa_def
*ssa
)
142 return bld_base
->ssa_defs
[ssa
->index
];
145 static LLVMValueRef
get_src(struct lp_build_nir_context
*bld_base
, nir_src src
);
147 static LLVMValueRef
get_reg_src(struct lp_build_nir_context
*bld_base
, nir_reg_src src
)
149 struct hash_entry
*entry
= _mesa_hash_table_search(bld_base
->regs
, src
.reg
);
150 LLVMValueRef reg_storage
= (LLVMValueRef
)entry
->data
;
151 struct lp_build_context
*reg_bld
= get_int_bld(bld_base
, true, src
.reg
->bit_size
);
152 LLVMValueRef indir_src
= NULL
;
154 indir_src
= get_src(bld_base
, *src
.indirect
);
155 return bld_base
->load_reg(bld_base
, reg_bld
, &src
, indir_src
, reg_storage
);
158 static LLVMValueRef
get_src(struct lp_build_nir_context
*bld_base
, nir_src src
)
161 return get_ssa_src(bld_base
, src
.ssa
);
163 return get_reg_src(bld_base
, src
.reg
);
166 static void assign_ssa(struct lp_build_nir_context
*bld_base
, int idx
, LLVMValueRef ptr
)
168 bld_base
->ssa_defs
[idx
] = ptr
;
171 static void assign_ssa_dest(struct lp_build_nir_context
*bld_base
, const nir_ssa_def
*ssa
,
172 LLVMValueRef vals
[4])
174 assign_ssa(bld_base
, ssa
->index
, ssa
->num_components
== 1 ? vals
[0] : lp_nir_array_build_gather_values(bld_base
->base
.gallivm
->builder
, vals
, ssa
->num_components
));
177 static void assign_reg(struct lp_build_nir_context
*bld_base
, const nir_reg_dest
*reg
,
179 LLVMValueRef vals
[4])
181 struct hash_entry
*entry
= _mesa_hash_table_search(bld_base
->regs
, reg
->reg
);
182 LLVMValueRef reg_storage
= (LLVMValueRef
)entry
->data
;
183 struct lp_build_context
*reg_bld
= get_int_bld(bld_base
, true, reg
->reg
->bit_size
);
184 LLVMValueRef indir_src
= NULL
;
186 indir_src
= get_src(bld_base
, *reg
->indirect
);
187 bld_base
->store_reg(bld_base
, reg_bld
, reg
, write_mask
? write_mask
: 0xf, indir_src
, reg_storage
, vals
);
190 static void assign_dest(struct lp_build_nir_context
*bld_base
, const nir_dest
*dest
, LLVMValueRef vals
[4])
193 assign_ssa_dest(bld_base
, &dest
->ssa
, vals
);
195 assign_reg(bld_base
, &dest
->reg
, 0, vals
);
198 static void assign_alu_dest(struct lp_build_nir_context
*bld_base
, const nir_alu_dest
*dest
, LLVMValueRef vals
[4])
200 if (dest
->dest
.is_ssa
)
201 assign_ssa_dest(bld_base
, &dest
->dest
.ssa
, vals
);
203 assign_reg(bld_base
, &dest
->dest
.reg
, dest
->write_mask
, vals
);
206 static LLVMValueRef
int_to_bool32(struct lp_build_nir_context
*bld_base
,
207 uint32_t src_bit_size
,
211 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
212 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, is_unsigned
, src_bit_size
);
213 LLVMValueRef result
= lp_build_compare(bld_base
->base
.gallivm
, int_bld
->type
, PIPE_FUNC_NOTEQUAL
, val
, int_bld
->zero
);
214 if (src_bit_size
== 64)
215 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
219 static LLVMValueRef
flt_to_bool32(struct lp_build_nir_context
*bld_base
,
220 uint32_t src_bit_size
,
223 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
224 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
);
225 LLVMValueRef result
= lp_build_compare(bld_base
->base
.gallivm
, flt_bld
->type
, PIPE_FUNC_NOTEQUAL
, val
, flt_bld
->zero
);
226 if (src_bit_size
== 64)
227 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
231 static LLVMValueRef
fcmp32(struct lp_build_nir_context
*bld_base
,
232 enum pipe_compare_func compare
,
233 uint32_t src_bit_size
,
236 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
237 LLVMValueRef result
= lp_build_compare(bld_base
->base
.gallivm
, get_flt_bld(bld_base
, src_bit_size
)->type
, compare
, src
[0], src
[1]);
238 if (src_bit_size
== 64)
239 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
243 static LLVMValueRef
icmp32(struct lp_build_nir_context
*bld_base
,
244 enum pipe_compare_func compare
,
246 uint32_t src_bit_size
,
249 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
250 LLVMValueRef result
= lp_build_compare(bld_base
->base
.gallivm
, get_int_bld(bld_base
, is_unsigned
, src_bit_size
)->type
, compare
, src
[0], src
[1]);
251 if (src_bit_size
== 64)
252 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
256 static LLVMValueRef
get_alu_src(struct lp_build_nir_context
*bld_base
,
258 unsigned num_components
)
260 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
261 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
262 LLVMValueRef value
= get_src(bld_base
, src
.src
);
263 bool need_swizzle
= false;
266 unsigned src_components
= nir_src_num_components(src
.src
);
267 for (unsigned i
= 0; i
< num_components
; ++i
) {
268 assert(src
.swizzle
[i
] < src_components
);
269 if (src
.swizzle
[i
] != i
)
273 if (need_swizzle
|| num_components
!= src_components
) {
274 if (src_components
> 1 && num_components
== 1) {
275 value
= LLVMBuildExtractValue(gallivm
->builder
, value
,
277 } else if (src_components
== 1 && num_components
> 1) {
278 LLVMValueRef values
[] = {value
, value
, value
, value
};
279 value
= lp_nir_array_build_gather_values(builder
, values
, num_components
);
281 LLVMValueRef arr
= LLVMGetUndef(LLVMArrayType(LLVMTypeOf(LLVMBuildExtractValue(builder
, value
, 0, "")), num_components
));
282 for (unsigned i
= 0; i
< num_components
; i
++)
283 arr
= LLVMBuildInsertValue(builder
, arr
, LLVMBuildExtractValue(builder
, value
, src
.swizzle
[i
], ""), i
, "");
292 static LLVMValueRef
emit_b2f(struct lp_build_nir_context
*bld_base
,
296 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
297 LLVMValueRef result
= LLVMBuildAnd(builder
, cast_type(bld_base
, src0
, nir_type_int
, 32),
298 LLVMBuildBitCast(builder
, lp_build_const_vec(bld_base
->base
.gallivm
, bld_base
->base
.type
,
299 1.0), bld_base
->int_bld
.vec_type
, ""),
301 result
= LLVMBuildBitCast(builder
, result
, bld_base
->base
.vec_type
, "");
306 result
= LLVMBuildFPExt(builder
, result
, bld_base
->dbl_bld
.vec_type
, "");
309 unreachable("unsupported bit size.");
314 static LLVMValueRef
emit_b2i(struct lp_build_nir_context
*bld_base
,
318 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
319 LLVMValueRef result
= LLVMBuildAnd(builder
, cast_type(bld_base
, src0
, nir_type_int
, 32),
320 lp_build_const_int_vec(bld_base
->base
.gallivm
, bld_base
->base
.type
, 1), "");
325 return LLVMBuildZExt(builder
, result
, bld_base
->int64_bld
.vec_type
, "");
327 unreachable("unsupported bit size.");
331 static LLVMValueRef
emit_b32csel(struct lp_build_nir_context
*bld_base
,
332 unsigned src_bit_size
[4],
335 LLVMValueRef sel
= cast_type(bld_base
, src
[0], nir_type_int
, 32);
336 LLVMValueRef v
= lp_build_compare(bld_base
->base
.gallivm
, bld_base
->int_bld
.type
, PIPE_FUNC_NOTEQUAL
, sel
, bld_base
->int_bld
.zero
);
337 struct lp_build_context
*bld
= get_int_bld(bld_base
, false, src_bit_size
[1]);
338 return lp_build_select(bld
, v
, src
[1], src
[2]);
341 static LLVMValueRef
split_64bit(struct lp_build_nir_context
*bld_base
,
345 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
346 LLVMValueRef shuffles
[LP_MAX_VECTOR_WIDTH
/32];
347 LLVMValueRef shuffles2
[LP_MAX_VECTOR_WIDTH
/32];
348 int len
= bld_base
->base
.type
.length
* 2;
349 for (unsigned i
= 0; i
< bld_base
->base
.type
.length
; i
++) {
350 shuffles
[i
] = lp_build_const_int32(gallivm
, i
* 2);
351 shuffles2
[i
] = lp_build_const_int32(gallivm
, (i
* 2) + 1);
354 src
= LLVMBuildBitCast(gallivm
->builder
, src
, LLVMVectorType(LLVMInt32TypeInContext(gallivm
->context
), len
), "");
355 return LLVMBuildShuffleVector(gallivm
->builder
, src
,
356 LLVMGetUndef(LLVMTypeOf(src
)),
357 LLVMConstVector(hi
? shuffles2
: shuffles
,
358 bld_base
->base
.type
.length
),
363 merge_64bit(struct lp_build_nir_context
*bld_base
,
367 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
368 LLVMBuilderRef builder
= gallivm
->builder
;
370 LLVMValueRef shuffles
[2 * (LP_MAX_VECTOR_WIDTH
/32)];
371 int len
= bld_base
->base
.type
.length
* 2;
372 assert(len
<= (2 * (LP_MAX_VECTOR_WIDTH
/32)));
374 for (i
= 0; i
< bld_base
->base
.type
.length
* 2; i
+=2) {
375 shuffles
[i
] = lp_build_const_int32(gallivm
, i
/ 2);
376 shuffles
[i
+ 1] = lp_build_const_int32(gallivm
, i
/ 2 + bld_base
->base
.type
.length
);
378 return LLVMBuildShuffleVector(builder
, input
, input2
, LLVMConstVector(shuffles
, len
), "");
381 static LLVMValueRef
do_alu_action(struct lp_build_nir_context
*bld_base
,
382 nir_op op
, unsigned src_bit_size
[4], LLVMValueRef src
[4])
384 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
385 LLVMBuilderRef builder
= gallivm
->builder
;
389 result
= emit_b2f(bld_base
, src
[0], 32);
392 result
= emit_b2f(bld_base
, src
[0], 64);
395 result
= emit_b2i(bld_base
, src
[0], 32);
398 result
= emit_b2i(bld_base
, src
[0], 64);
401 result
= emit_b32csel(bld_base
, src_bit_size
, src
);
403 case nir_op_bit_count
:
404 result
= lp_build_popcount(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
406 case nir_op_bitfield_select
:
407 result
= lp_build_xor(&bld_base
->uint_bld
, src
[2], lp_build_and(&bld_base
->uint_bld
, src
[0], lp_build_xor(&bld_base
->uint_bld
, src
[1], src
[2])));
410 result
= flt_to_bool32(bld_base
, src_bit_size
[0], src
[0]);
413 result
= LLVMBuildFPTrunc(builder
, src
[0],
414 bld_base
->base
.vec_type
, "");
417 result
= LLVMBuildFPExt(builder
, src
[0],
418 bld_base
->dbl_bld
.vec_type
, "");
421 result
= LLVMBuildFPToSI(builder
, src
[0], bld_base
->base
.int_vec_type
, "");
424 result
= LLVMBuildFPToUI(builder
,
426 bld_base
->base
.int_vec_type
, "");
429 result
= LLVMBuildFPToSI(builder
,
431 bld_base
->int64_bld
.vec_type
, "");
434 result
= LLVMBuildFPToUI(builder
,
436 bld_base
->uint64_bld
.vec_type
, "");
439 result
= lp_build_abs(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
442 result
= lp_build_add(get_flt_bld(bld_base
, src_bit_size
[0]),
446 result
= lp_build_ceil(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
449 result
= lp_build_cos(&bld_base
->base
, src
[0]);
452 result
= lp_build_ddx(&bld_base
->base
, src
[0]);
455 result
= lp_build_ddy(&bld_base
->base
, src
[0]);
458 result
= lp_build_div(get_flt_bld(bld_base
, src_bit_size
[0]),
462 result
= fcmp32(bld_base
, PIPE_FUNC_EQUAL
, src_bit_size
[0], src
);
465 result
= lp_build_exp2(&bld_base
->base
, src
[0]);
468 result
= lp_build_floor(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
471 result
= lp_build_fmuladd(builder
, src
[0], src
[1], src
[2]);
473 case nir_op_ffract
: {
474 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
[0]);
475 LLVMValueRef tmp
= lp_build_floor(flt_bld
, src
[0]);
476 result
= lp_build_sub(flt_bld
, src
[0], tmp
);
480 result
= fcmp32(bld_base
, PIPE_FUNC_GEQUAL
, src_bit_size
[0], src
);
482 case nir_op_find_lsb
:
483 result
= lp_build_cttz(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
486 result
= lp_build_log2_safe(&bld_base
->base
, src
[0]);
489 result
= fcmp32(bld_base
, PIPE_FUNC_LESS
, src_bit_size
[0], src
);
492 result
= lp_build_min(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0], src
[1]);
495 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
[0]);
496 result
= lp_build_div(flt_bld
, src
[0], src
[1]);
497 result
= lp_build_floor(flt_bld
, result
);
498 result
= lp_build_mul(flt_bld
, src
[1], result
);
499 result
= lp_build_sub(flt_bld
, src
[0], result
);
503 result
= lp_build_mul(get_flt_bld(bld_base
, src_bit_size
[0]),
507 result
= lp_build_max(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0], src
[1]);
510 result
= fcmp32(bld_base
, PIPE_FUNC_NOTEQUAL
, src_bit_size
[0], src
);
513 result
= lp_build_negate(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
516 result
= lp_build_pow(&bld_base
->base
, src
[0], src
[1]);
519 result
= lp_build_rcp(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
521 case nir_op_fround_even
:
522 result
= lp_build_round(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
525 result
= lp_build_rsqrt(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
528 result
= lp_build_clamp_zero_one_nanzero(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
531 result
= lp_build_sgn(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
534 result
= lp_build_sin(&bld_base
->base
, src
[0]);
537 result
= lp_build_sqrt(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
540 result
= lp_build_trunc(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
543 result
= int_to_bool32(bld_base
, src_bit_size
[0], false, src
[0]);
546 result
= lp_build_int_to_float(&bld_base
->base
, src
[0]);
549 result
= lp_build_int_to_float(&bld_base
->dbl_bld
, src
[0]);
552 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->int_bld
.vec_type
, "");
555 result
= LLVMBuildSExt(builder
, src
[0], bld_base
->int64_bld
.vec_type
, "");
558 result
= lp_build_abs(&bld_base
->int_bld
, src
[0]);
561 result
= lp_build_add(get_int_bld(bld_base
, false, src_bit_size
[0]),
565 result
= lp_build_and(get_int_bld(bld_base
, false, src_bit_size
[0]),
569 result
= lp_build_div(&bld_base
->int_bld
,
573 result
= icmp32(bld_base
, PIPE_FUNC_EQUAL
, false, src_bit_size
[0], src
);
576 result
= icmp32(bld_base
, PIPE_FUNC_GEQUAL
, false, src_bit_size
[0], src
);
579 result
= icmp32(bld_base
, PIPE_FUNC_LESS
, false, src_bit_size
[0], src
);
582 result
= lp_build_max(&bld_base
->int_bld
, src
[0], src
[1]);
585 result
= lp_build_min(&bld_base
->int_bld
, src
[0], src
[1]);
588 result
= lp_build_mul(&bld_base
->int_bld
,
591 case nir_op_imul_high
: {
592 LLVMValueRef hi_bits
;
593 lp_build_mul_32_lohi(&bld_base
->int_bld
, src
[0], src
[1], &hi_bits
);
598 result
= icmp32(bld_base
, PIPE_FUNC_NOTEQUAL
, false, src_bit_size
[0], src
);
601 result
= lp_build_negate(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
604 result
= lp_build_not(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
607 result
= lp_build_or(get_int_bld(bld_base
, false, src_bit_size
[0]),
611 src
[1] = lp_build_and(&bld_base
->uint_bld
, src
[1], lp_build_const_int_vec(gallivm
, bld_base
->uint_bld
.type
, (src_bit_size
[0] - 1)));
612 result
= lp_build_shl(&bld_base
->int_bld
, src
[0], src
[1]);
615 src
[1] = lp_build_and(&bld_base
->uint_bld
, src
[1], lp_build_const_int_vec(gallivm
, bld_base
->uint_bld
.type
, (src_bit_size
[0] - 1)));
616 result
= lp_build_shr(&bld_base
->int_bld
, src
[0], src
[1]);
619 result
= lp_build_sgn(&bld_base
->int_bld
, src
[0]);
622 result
= lp_build_xor(get_int_bld(bld_base
, false, src_bit_size
[0]),
628 case nir_op_unpack_64_2x32_split_x
:
629 result
= split_64bit(bld_base
, src
[0], false);
631 case nir_op_unpack_64_2x32_split_y
:
632 result
= split_64bit(bld_base
, src
[0], true);
635 case nir_op_pack_64_2x32_split
: {
636 LLVMValueRef tmp
= merge_64bit(bld_base
, src
[0], src
[1]);
637 result
= LLVMBuildBitCast(builder
, tmp
, bld_base
->dbl_bld
.vec_type
, "");
641 result
= LLVMBuildUIToFP(builder
, src
[0], bld_base
->base
.vec_type
, "");
644 result
= LLVMBuildUIToFP(builder
, src
[0], bld_base
->dbl_bld
.vec_type
, "");
647 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->uint_bld
.vec_type
, "");
650 result
= LLVMBuildZExt(builder
, src
[0], bld_base
->uint64_bld
.vec_type
, "");
653 result
= lp_build_div(&bld_base
->uint_bld
,
657 result
= icmp32(bld_base
, PIPE_FUNC_GEQUAL
, true, src_bit_size
[0], src
);
660 result
= icmp32(bld_base
, PIPE_FUNC_LESS
, true, src_bit_size
[0], src
);
663 result
= lp_build_max(&bld_base
->uint_bld
, src
[0], src
[1]);
666 result
= lp_build_min(&bld_base
->uint_bld
, src
[0], src
[1]);
669 result
= lp_build_mod(&bld_base
->uint_bld
, src
[0], src
[1]);
671 case nir_op_umul_high
: {
672 LLVMValueRef hi_bits
;
673 lp_build_mul_32_lohi(&bld_base
->uint_bld
, src
[0], src
[1], &hi_bits
);
678 src
[1] = lp_build_and(&bld_base
->uint_bld
, src
[1], lp_build_const_int_vec(gallivm
, bld_base
->uint_bld
.type
, (src_bit_size
[0] - 1)));
679 result
= lp_build_shr(&bld_base
->uint_bld
, src
[0], src
[1]);
688 static void visit_alu(struct lp_build_nir_context
*bld_base
, const nir_alu_instr
*instr
)
690 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
692 unsigned src_bit_size
[4];
693 unsigned num_components
= nir_dest_num_components(instr
->dest
.dest
);
694 unsigned src_components
;
701 case nir_op_pack_half_2x16
:
704 case nir_op_unpack_half_2x16
:
707 case nir_op_cube_face_coord
:
708 case nir_op_cube_face_index
:
712 src_components
= num_components
;
715 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++) {
716 src
[i
] = get_alu_src(bld_base
, instr
->src
[i
], src_components
);
717 src_bit_size
[i
] = nir_src_bit_size(instr
->src
[i
].src
);
720 LLVMValueRef result
[4];
721 if (instr
->op
== nir_op_vec4
|| instr
->op
== nir_op_vec3
|| instr
->op
== nir_op_vec2
) {
722 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++) {
723 result
[i
] = cast_type(bld_base
, src
[i
], nir_op_infos
[instr
->op
].input_types
[i
], src_bit_size
[i
]);
726 for (unsigned c
= 0; c
< num_components
; c
++) {
727 LLVMValueRef src_chan
[4];
729 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++) {
730 if (num_components
> 1) {
731 src_chan
[i
] = LLVMBuildExtractValue(gallivm
->builder
,
734 src_chan
[i
] = src
[i
];
735 src_chan
[i
] = cast_type(bld_base
, src_chan
[i
], nir_op_infos
[instr
->op
].input_types
[i
], src_bit_size
[i
]);
737 result
[c
] = do_alu_action(bld_base
, instr
->op
, src_bit_size
, src_chan
);
738 result
[c
] = cast_type(bld_base
, result
[c
], nir_op_infos
[instr
->op
].output_type
, nir_dest_bit_size(instr
->dest
.dest
));
741 assign_alu_dest(bld_base
, &instr
->dest
, result
);
744 static void visit_load_const(struct lp_build_nir_context
*bld_base
,
745 const nir_load_const_instr
*instr
)
747 LLVMValueRef result
[4];
748 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, true, instr
->def
.bit_size
);
749 for (unsigned i
= 0; i
< instr
->def
.num_components
; i
++)
750 result
[i
] = lp_build_const_int_vec(bld_base
->base
.gallivm
, int_bld
->type
, instr
->value
[i
].u64
);
751 assign_ssa_dest(bld_base
, &instr
->def
, result
);
755 get_deref_offset(struct lp_build_nir_context
*bld_base
, nir_deref_instr
*instr
,
756 bool vs_in
, unsigned *vertex_index_out
,
757 LLVMValueRef
*vertex_index_ref
,
758 unsigned *const_out
, LLVMValueRef
*indir_out
)
760 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
761 nir_variable
*var
= nir_deref_instr_get_variable(instr
);
763 unsigned idx_lvl
= 1;
765 nir_deref_path_init(&path
, instr
, NULL
);
767 if (vertex_index_out
!= NULL
|| vertex_index_ref
!= NULL
) {
768 if (vertex_index_ref
) {
769 *vertex_index_ref
= get_src(bld_base
, path
.path
[idx_lvl
]->arr
.index
);
770 if (vertex_index_out
)
771 *vertex_index_out
= 0;
773 *vertex_index_out
= nir_src_as_uint(path
.path
[idx_lvl
]->arr
.index
);
778 uint32_t const_offset
= 0;
779 LLVMValueRef offset
= NULL
;
781 if (var
->data
.compact
) {
782 assert(instr
->deref_type
== nir_deref_type_array
);
783 const_offset
= nir_src_as_uint(instr
->arr
.index
);
787 for (; path
.path
[idx_lvl
]; ++idx_lvl
) {
788 const struct glsl_type
*parent_type
= path
.path
[idx_lvl
- 1]->type
;
789 if (path
.path
[idx_lvl
]->deref_type
== nir_deref_type_struct
) {
790 unsigned index
= path
.path
[idx_lvl
]->strct
.index
;
792 for (unsigned i
= 0; i
< index
; i
++) {
793 const struct glsl_type
*ft
= glsl_get_struct_field(parent_type
, i
);
794 const_offset
+= glsl_count_attribute_slots(ft
, vs_in
);
796 } else if(path
.path
[idx_lvl
]->deref_type
== nir_deref_type_array
) {
797 unsigned size
= glsl_count_attribute_slots(path
.path
[idx_lvl
]->type
, vs_in
);
798 if (nir_src_is_const(path
.path
[idx_lvl
]->arr
.index
)) {
799 const_offset
+= nir_src_comp_as_int(path
.path
[idx_lvl
]->arr
.index
, 0) * size
;
801 LLVMValueRef idx_src
= get_src(bld_base
, path
.path
[idx_lvl
]->arr
.index
);
802 idx_src
= cast_type(bld_base
, idx_src
, nir_type_uint
, 32);
803 LLVMValueRef array_off
= lp_build_mul(&bld_base
->uint_bld
, lp_build_const_int_vec(bld_base
->base
.gallivm
, bld_base
->base
.type
, size
),
806 offset
= lp_build_add(&bld_base
->uint_bld
, offset
, array_off
);
811 unreachable("Uhandled deref type in get_deref_instr_offset");
815 nir_deref_path_finish(&path
);
817 if (const_offset
&& offset
)
818 offset
= LLVMBuildAdd(builder
, offset
,
819 lp_build_const_int_vec(bld_base
->base
.gallivm
, bld_base
->uint_bld
.type
, const_offset
),
821 *const_out
= const_offset
;
825 static void visit_load_var(struct lp_build_nir_context
*bld_base
,
826 nir_intrinsic_instr
*instr
,
827 LLVMValueRef result
[4])
829 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
830 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
831 nir_variable_mode mode
= deref
->mode
;
832 unsigned const_index
;
833 LLVMValueRef indir_index
;
834 unsigned vertex_index
= 0;
835 unsigned nc
= nir_dest_num_components(instr
->dest
);
836 unsigned bit_size
= nir_dest_bit_size(instr
->dest
);
838 bool vs_in
= bld_base
->shader
->info
.stage
== MESA_SHADER_VERTEX
&&
839 var
->data
.mode
== nir_var_shader_in
;
840 bool gs_in
= bld_base
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
&&
841 var
->data
.mode
== nir_var_shader_in
;
842 mode
= var
->data
.mode
;
844 get_deref_offset(bld_base
, deref
, vs_in
, gs_in
? &vertex_index
: NULL
, NULL
,
845 &const_index
, &indir_index
);
847 bld_base
->load_var(bld_base
, mode
, nc
, bit_size
, var
, vertex_index
, const_index
, indir_index
, result
);
851 visit_store_var(struct lp_build_nir_context
*bld_base
,
852 nir_intrinsic_instr
*instr
)
854 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
855 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
856 nir_variable_mode mode
= deref
->mode
;
857 int writemask
= instr
->const_index
[0];
858 unsigned bit_size
= nir_src_bit_size(instr
->src
[1]);
859 LLVMValueRef src
= get_src(bld_base
, instr
->src
[1]);
860 unsigned const_index
= 0;
861 LLVMValueRef indir_index
;
863 get_deref_offset(bld_base
, deref
, false, NULL
, NULL
,
864 &const_index
, &indir_index
);
865 bld_base
->store_var(bld_base
, mode
, bit_size
, instr
->num_components
, writemask
, const_index
, var
, src
);
868 static void visit_load_ubo(struct lp_build_nir_context
*bld_base
,
869 nir_intrinsic_instr
*instr
,
870 LLVMValueRef result
[4])
872 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
873 LLVMBuilderRef builder
= gallivm
->builder
;
874 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
875 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
877 bool offset_is_uniform
= nir_src_is_dynamically_uniform(instr
->src
[1]);
878 idx
= LLVMBuildExtractElement(builder
, idx
, lp_build_const_int32(gallivm
, 0), "");
879 bld_base
->load_ubo(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
880 offset_is_uniform
, idx
, offset
, result
);
884 static void visit_load_ssbo(struct lp_build_nir_context
*bld_base
,
885 nir_intrinsic_instr
*instr
,
886 LLVMValueRef result
[4])
888 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
889 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
890 bld_base
->load_mem(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
891 idx
, offset
, result
);
894 static void visit_store_ssbo(struct lp_build_nir_context
*bld_base
,
895 nir_intrinsic_instr
*instr
)
897 LLVMValueRef val
= get_src(bld_base
, instr
->src
[0]);
898 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[1]);
899 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[2]);
900 int writemask
= instr
->const_index
[0];
901 int nc
= nir_src_num_components(instr
->src
[0]);
902 int bitsize
= nir_src_bit_size(instr
->src
[0]);
903 bld_base
->store_mem(bld_base
, writemask
, nc
, bitsize
, idx
, offset
, val
);
906 static void visit_get_buffer_size(struct lp_build_nir_context
*bld_base
,
907 nir_intrinsic_instr
*instr
,
908 LLVMValueRef result
[4])
910 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
911 result
[0] = bld_base
->get_buffer_size(bld_base
, idx
);
914 static void visit_ssbo_atomic(struct lp_build_nir_context
*bld_base
,
915 nir_intrinsic_instr
*instr
,
916 LLVMValueRef result
[4])
918 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
919 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
920 LLVMValueRef val
= get_src(bld_base
, instr
->src
[2]);
921 LLVMValueRef val2
= NULL
;
922 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
)
923 val2
= get_src(bld_base
, instr
->src
[3]);
925 bld_base
->atomic_mem(bld_base
, instr
->intrinsic
, idx
, offset
, val
, val2
, &result
[0]);
929 static void visit_load_image(struct lp_build_nir_context
*bld_base
,
930 nir_intrinsic_instr
*instr
,
931 LLVMValueRef result
[4])
933 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
934 LLVMBuilderRef builder
= gallivm
->builder
;
935 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
936 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
937 LLVMValueRef coord_val
= get_src(bld_base
, instr
->src
[1]);
938 LLVMValueRef coords
[5];
939 struct lp_img_params params
;
940 const struct glsl_type
*type
= glsl_without_array(var
->type
);
942 memset(¶ms
, 0, sizeof(params
));
943 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(type
), glsl_sampler_type_is_array(type
));
944 for (unsigned i
= 0; i
< 4; i
++)
945 coords
[i
] = LLVMBuildExtractValue(builder
, coord_val
, i
, "");
946 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
947 coords
[2] = coords
[1];
949 params
.coords
= coords
;
950 params
.outdata
= result
;
951 params
.img_op
= LP_IMG_LOAD
;
952 params
.image_index
= var
->data
.binding
;
953 bld_base
->image_op(bld_base
, ¶ms
);
956 static void visit_store_image(struct lp_build_nir_context
*bld_base
,
957 nir_intrinsic_instr
*instr
)
959 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
960 LLVMBuilderRef builder
= gallivm
->builder
;
961 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
962 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
963 LLVMValueRef coord_val
= get_src(bld_base
, instr
->src
[1]);
964 LLVMValueRef in_val
= get_src(bld_base
, instr
->src
[3]);
965 LLVMValueRef coords
[5];
966 struct lp_img_params params
;
967 const struct glsl_type
*type
= glsl_without_array(var
->type
);
969 memset(¶ms
, 0, sizeof(params
));
970 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(type
), glsl_sampler_type_is_array(type
));
971 for (unsigned i
= 0; i
< 4; i
++)
972 coords
[i
] = LLVMBuildExtractValue(builder
, coord_val
, i
, "");
973 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
974 coords
[2] = coords
[1];
975 params
.coords
= coords
;
977 for (unsigned i
= 0; i
< 4; i
++) {
978 params
.indata
[i
] = LLVMBuildExtractValue(builder
, in_val
, i
, "");
979 params
.indata
[i
] = LLVMBuildBitCast(builder
, params
.indata
[i
], bld_base
->base
.vec_type
, "");
981 params
.img_op
= LP_IMG_STORE
;
982 params
.image_index
= var
->data
.binding
;
984 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
985 coords
[2] = coords
[1];
986 bld_base
->image_op(bld_base
, ¶ms
);
989 static void visit_atomic_image(struct lp_build_nir_context
*bld_base
,
990 nir_intrinsic_instr
*instr
,
991 LLVMValueRef result
[4])
993 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
994 LLVMBuilderRef builder
= gallivm
->builder
;
995 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
996 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
997 struct lp_img_params params
;
998 LLVMValueRef coord_val
= get_src(bld_base
, instr
->src
[1]);
999 LLVMValueRef in_val
= get_src(bld_base
, instr
->src
[3]);
1000 LLVMValueRef coords
[5];
1001 const struct glsl_type
*type
= glsl_without_array(var
->type
);
1003 memset(¶ms
, 0, sizeof(params
));
1005 switch (instr
->intrinsic
) {
1006 case nir_intrinsic_image_deref_atomic_add
:
1007 params
.op
= LLVMAtomicRMWBinOpAdd
;
1009 case nir_intrinsic_image_deref_atomic_exchange
:
1010 params
.op
= LLVMAtomicRMWBinOpXchg
;
1012 case nir_intrinsic_image_deref_atomic_and
:
1013 params
.op
= LLVMAtomicRMWBinOpAnd
;
1015 case nir_intrinsic_image_deref_atomic_or
:
1016 params
.op
= LLVMAtomicRMWBinOpOr
;
1018 case nir_intrinsic_image_deref_atomic_xor
:
1019 params
.op
= LLVMAtomicRMWBinOpXor
;
1021 case nir_intrinsic_image_deref_atomic_umin
:
1022 params
.op
= LLVMAtomicRMWBinOpUMin
;
1024 case nir_intrinsic_image_deref_atomic_umax
:
1025 params
.op
= LLVMAtomicRMWBinOpUMax
;
1027 case nir_intrinsic_image_deref_atomic_imin
:
1028 params
.op
= LLVMAtomicRMWBinOpMin
;
1030 case nir_intrinsic_image_deref_atomic_imax
:
1031 params
.op
= LLVMAtomicRMWBinOpMax
;
1037 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(type
), glsl_sampler_type_is_array(type
));
1038 for (unsigned i
= 0; i
< 4; i
++)
1039 coords
[i
] = LLVMBuildExtractValue(builder
, coord_val
, i
, "");
1040 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
1041 coords
[2] = coords
[1];
1042 params
.coords
= coords
;
1043 if (instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
) {
1044 LLVMValueRef cas_val
= get_src(bld_base
, instr
->src
[4]);
1045 params
.indata
[0] = in_val
;
1046 params
.indata2
[0] = cas_val
;
1048 params
.indata
[0] = in_val
;
1050 params
.outdata
= result
;
1051 params
.img_op
= (instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
) ? LP_IMG_ATOMIC_CAS
: LP_IMG_ATOMIC
;
1052 params
.image_index
= var
->data
.binding
;
1054 bld_base
->image_op(bld_base
, ¶ms
);
1058 static void visit_image_size(struct lp_build_nir_context
*bld_base
,
1059 nir_intrinsic_instr
*instr
,
1060 LLVMValueRef result
[4])
1062 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1063 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1064 struct lp_sampler_size_query_params params
= { 0 };
1065 params
.texture_unit
= var
->data
.binding
;
1066 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(var
->type
), glsl_sampler_type_is_array(var
->type
));
1067 params
.sizes_out
= result
;
1069 bld_base
->image_size(bld_base
, ¶ms
);
1072 static void visit_shared_load(struct lp_build_nir_context
*bld_base
,
1073 nir_intrinsic_instr
*instr
,
1074 LLVMValueRef result
[4])
1076 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[0]);
1077 bld_base
->load_mem(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
1078 NULL
, offset
, result
);
1081 static void visit_shared_store(struct lp_build_nir_context
*bld_base
,
1082 nir_intrinsic_instr
*instr
)
1084 LLVMValueRef val
= get_src(bld_base
, instr
->src
[0]);
1085 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
1086 int writemask
= instr
->const_index
[1];
1087 int nc
= nir_src_num_components(instr
->src
[0]);
1088 int bitsize
= nir_src_bit_size(instr
->src
[0]);
1089 bld_base
->store_mem(bld_base
, writemask
, nc
, bitsize
, NULL
, offset
, val
);
1092 static void visit_shared_atomic(struct lp_build_nir_context
*bld_base
,
1093 nir_intrinsic_instr
*instr
,
1094 LLVMValueRef result
[4])
1096 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[0]);
1097 LLVMValueRef val
= get_src(bld_base
, instr
->src
[1]);
1098 LLVMValueRef val2
= NULL
;
1099 if (instr
->intrinsic
== nir_intrinsic_shared_atomic_comp_swap
)
1100 val2
= get_src(bld_base
, instr
->src
[2]);
1102 bld_base
->atomic_mem(bld_base
, instr
->intrinsic
, NULL
, offset
, val
, val2
, &result
[0]);
1106 static void visit_barrier(struct lp_build_nir_context
*bld_base
)
1108 bld_base
->barrier(bld_base
);
1111 static void visit_discard(struct lp_build_nir_context
*bld_base
,
1112 nir_intrinsic_instr
*instr
)
1114 LLVMValueRef cond
= NULL
;
1115 if (instr
->intrinsic
== nir_intrinsic_discard_if
) {
1116 cond
= get_src(bld_base
, instr
->src
[0]);
1117 cond
= cast_type(bld_base
, cond
, nir_type_int
, 32);
1119 bld_base
->discard(bld_base
, cond
);
1122 static void visit_intrinsic(struct lp_build_nir_context
*bld_base
,
1123 nir_intrinsic_instr
*instr
)
1125 LLVMValueRef result
[4] = {0};
1126 switch (instr
->intrinsic
) {
1127 case nir_intrinsic_load_deref
:
1128 visit_load_var(bld_base
, instr
, result
);
1130 case nir_intrinsic_store_deref
:
1131 visit_store_var(bld_base
, instr
);
1133 case nir_intrinsic_load_ubo
:
1134 visit_load_ubo(bld_base
, instr
, result
);
1136 case nir_intrinsic_load_ssbo
:
1137 visit_load_ssbo(bld_base
, instr
, result
);
1139 case nir_intrinsic_store_ssbo
:
1140 visit_store_ssbo(bld_base
, instr
);
1142 case nir_intrinsic_get_buffer_size
:
1143 visit_get_buffer_size(bld_base
, instr
, result
);
1145 case nir_intrinsic_load_vertex_id
:
1146 case nir_intrinsic_load_primitive_id
:
1147 case nir_intrinsic_load_instance_id
:
1148 case nir_intrinsic_load_work_group_id
:
1149 case nir_intrinsic_load_local_invocation_id
:
1150 case nir_intrinsic_load_num_work_groups
:
1151 case nir_intrinsic_load_invocation_id
:
1152 bld_base
->sysval_intrin(bld_base
, instr
, result
);
1154 case nir_intrinsic_discard_if
:
1155 case nir_intrinsic_discard
:
1156 visit_discard(bld_base
, instr
);
1158 case nir_intrinsic_emit_vertex
:
1159 bld_base
->emit_vertex(bld_base
, nir_intrinsic_stream_id(instr
));
1161 case nir_intrinsic_end_primitive
:
1162 bld_base
->end_primitive(bld_base
, nir_intrinsic_stream_id(instr
));
1164 case nir_intrinsic_ssbo_atomic_add
:
1165 case nir_intrinsic_ssbo_atomic_imin
:
1166 case nir_intrinsic_ssbo_atomic_imax
:
1167 case nir_intrinsic_ssbo_atomic_umin
:
1168 case nir_intrinsic_ssbo_atomic_umax
:
1169 case nir_intrinsic_ssbo_atomic_and
:
1170 case nir_intrinsic_ssbo_atomic_or
:
1171 case nir_intrinsic_ssbo_atomic_xor
:
1172 case nir_intrinsic_ssbo_atomic_exchange
:
1173 case nir_intrinsic_ssbo_atomic_comp_swap
:
1174 visit_ssbo_atomic(bld_base
, instr
, result
);
1176 case nir_intrinsic_image_deref_load
:
1177 visit_load_image(bld_base
, instr
, result
);
1179 case nir_intrinsic_image_deref_store
:
1180 visit_store_image(bld_base
, instr
);
1182 case nir_intrinsic_image_deref_atomic_add
:
1183 case nir_intrinsic_image_deref_atomic_imin
:
1184 case nir_intrinsic_image_deref_atomic_imax
:
1185 case nir_intrinsic_image_deref_atomic_umin
:
1186 case nir_intrinsic_image_deref_atomic_umax
:
1187 case nir_intrinsic_image_deref_atomic_and
:
1188 case nir_intrinsic_image_deref_atomic_or
:
1189 case nir_intrinsic_image_deref_atomic_xor
:
1190 case nir_intrinsic_image_deref_atomic_exchange
:
1191 case nir_intrinsic_image_deref_atomic_comp_swap
:
1192 visit_atomic_image(bld_base
, instr
, result
);
1194 case nir_intrinsic_image_deref_size
:
1195 visit_image_size(bld_base
, instr
, result
);
1197 case nir_intrinsic_load_shared
:
1198 visit_shared_load(bld_base
, instr
, result
);
1200 case nir_intrinsic_store_shared
:
1201 visit_shared_store(bld_base
, instr
);
1203 case nir_intrinsic_shared_atomic_add
:
1204 case nir_intrinsic_shared_atomic_imin
:
1205 case nir_intrinsic_shared_atomic_umin
:
1206 case nir_intrinsic_shared_atomic_imax
:
1207 case nir_intrinsic_shared_atomic_umax
:
1208 case nir_intrinsic_shared_atomic_and
:
1209 case nir_intrinsic_shared_atomic_or
:
1210 case nir_intrinsic_shared_atomic_xor
:
1211 case nir_intrinsic_shared_atomic_exchange
:
1212 case nir_intrinsic_shared_atomic_comp_swap
:
1213 visit_shared_atomic(bld_base
, instr
, result
);
1215 case nir_intrinsic_barrier
:
1216 visit_barrier(bld_base
);
1218 case nir_intrinsic_memory_barrier
:
1225 assign_dest(bld_base
, &instr
->dest
, result
);
1229 static void visit_txs(struct lp_build_nir_context
*bld_base
, nir_tex_instr
*instr
)
1231 struct lp_sampler_size_query_params params
;
1232 LLVMValueRef sizes_out
[4];
1233 LLVMValueRef explicit_lod
= NULL
;
1235 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
1236 switch (instr
->src
[i
].src_type
) {
1237 case nir_tex_src_lod
:
1238 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_int
, 32);
1245 params
.target
= glsl_sampler_to_pipe(instr
->sampler_dim
, instr
->is_array
);
1246 params
.texture_unit
= instr
->texture_index
;
1247 params
.explicit_lod
= explicit_lod
;
1248 params
.is_sviewinfo
= TRUE
;
1249 params
.sizes_out
= sizes_out
;
1251 if (instr
->op
== nir_texop_query_levels
)
1252 params
.explicit_lod
= bld_base
->uint_bld
.zero
;
1253 bld_base
->tex_size(bld_base
, ¶ms
);
1254 assign_dest(bld_base
, &instr
->dest
, &sizes_out
[instr
->op
== nir_texop_query_levels
? 3 : 0]);
1257 static enum lp_sampler_lod_property
lp_build_nir_lod_property(struct lp_build_nir_context
*bld_base
,
1260 enum lp_sampler_lod_property lod_property
;
1262 if (nir_src_is_dynamically_uniform(lod_src
))
1263 lod_property
= LP_SAMPLER_LOD_SCALAR
;
1264 else if (bld_base
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
) {
1265 if (gallivm_perf
& GALLIVM_PERF_NO_QUAD_LOD
)
1266 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1268 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
1271 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1272 return lod_property
;
1275 static void visit_tex(struct lp_build_nir_context
*bld_base
, nir_tex_instr
*instr
)
1277 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1278 LLVMBuilderRef builder
= gallivm
->builder
;
1279 LLVMValueRef coords
[5];
1280 LLVMValueRef offsets
[3] = { NULL
};
1281 LLVMValueRef explicit_lod
= NULL
, projector
= NULL
;
1282 struct lp_sampler_params params
;
1283 struct lp_derivatives derivs
;
1284 unsigned sample_key
= 0;
1285 nir_deref_instr
*texture_deref_instr
= NULL
;
1286 nir_deref_instr
*sampler_deref_instr
= NULL
;
1287 LLVMValueRef texel
[4];
1288 unsigned lod_src
= 0;
1289 LLVMValueRef coord_undef
= LLVMGetUndef(bld_base
->base
.int_vec_type
);
1291 memset(¶ms
, 0, sizeof(params
));
1292 enum lp_sampler_lod_property lod_property
= LP_SAMPLER_LOD_SCALAR
;
1294 if (instr
->op
== nir_texop_txs
|| instr
->op
== nir_texop_query_levels
) {
1295 visit_txs(bld_base
, instr
);
1298 if (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)
1299 sample_key
|= LP_SAMPLER_OP_FETCH
<< LP_SAMPLER_OP_TYPE_SHIFT
;
1300 else if (instr
->op
== nir_texop_tg4
)
1301 sample_key
|= LP_SAMPLER_OP_GATHER
<< LP_SAMPLER_OP_TYPE_SHIFT
;
1302 else if (instr
->op
== nir_texop_lod
)
1303 sample_key
|= LP_SAMPLER_OP_LODQ
<< LP_SAMPLER_OP_TYPE_SHIFT
;
1304 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
1305 switch (instr
->src
[i
].src_type
) {
1306 case nir_tex_src_coord
: {
1307 LLVMValueRef coord
= get_src(bld_base
, instr
->src
[i
].src
);
1308 if (instr
->coord_components
== 1)
1311 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1312 coords
[chan
] = LLVMBuildExtractValue(builder
, coord
,
1315 for (unsigned chan
= instr
->coord_components
; chan
< 5; chan
++)
1316 coords
[chan
] = coord_undef
;
1320 case nir_tex_src_texture_deref
:
1321 texture_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
1323 case nir_tex_src_sampler_deref
:
1324 sampler_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
1326 case nir_tex_src_projector
:
1327 projector
= lp_build_rcp(&bld_base
->base
, cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_float
, 32));
1329 case nir_tex_src_comparator
:
1330 sample_key
|= LP_SAMPLER_SHADOW
;
1331 coords
[4] = get_src(bld_base
, instr
->src
[i
].src
);
1332 coords
[4] = cast_type(bld_base
, coords
[4], nir_type_float
, 32);
1334 case nir_tex_src_bias
:
1335 sample_key
|= LP_SAMPLER_LOD_BIAS
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
1337 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_float
, 32);
1339 case nir_tex_src_lod
:
1340 sample_key
|= LP_SAMPLER_LOD_EXPLICIT
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
1342 if (instr
->op
== nir_texop_txf
)
1343 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_int
, 32);
1345 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_float
, 32);
1347 case nir_tex_src_ddx
: {
1348 int deriv_cnt
= instr
->coord_components
;
1349 if (instr
->is_array
)
1351 LLVMValueRef deriv_val
= get_src(bld_base
, instr
->src
[i
].src
);
1353 derivs
.ddx
[0] = deriv_val
;
1355 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1356 derivs
.ddx
[chan
] = LLVMBuildExtractValue(builder
, deriv_val
,
1358 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1359 derivs
.ddx
[chan
] = cast_type(bld_base
, derivs
.ddx
[chan
], nir_type_float
, 32);
1362 case nir_tex_src_ddy
: {
1363 int deriv_cnt
= instr
->coord_components
;
1364 if (instr
->is_array
)
1366 LLVMValueRef deriv_val
= get_src(bld_base
, instr
->src
[i
].src
);
1368 derivs
.ddy
[0] = deriv_val
;
1370 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1371 derivs
.ddy
[chan
] = LLVMBuildExtractValue(builder
, deriv_val
,
1373 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1374 derivs
.ddy
[chan
] = cast_type(bld_base
, derivs
.ddy
[chan
], nir_type_float
, 32);
1377 case nir_tex_src_offset
: {
1378 int offset_cnt
= instr
->coord_components
;
1379 if (instr
->is_array
)
1381 LLVMValueRef offset_val
= get_src(bld_base
, instr
->src
[i
].src
);
1382 sample_key
|= LP_SAMPLER_OFFSETS
;
1383 if (offset_cnt
== 1)
1384 offsets
[0] = offset_val
;
1386 for (unsigned chan
= 0; chan
< offset_cnt
; ++chan
)
1387 offsets
[chan
] = LLVMBuildExtractValue(builder
, offset_val
,
1392 case nir_tex_src_ms_index
:
1399 if (!sampler_deref_instr
)
1400 sampler_deref_instr
= texture_deref_instr
;
1403 lod_property
= lp_build_nir_lod_property(bld_base
, instr
->src
[lod_src
].src
);
1405 if (instr
->op
== nir_texop_tex
|| instr
->op
== nir_texop_tg4
|| instr
->op
== nir_texop_txb
||
1406 instr
->op
== nir_texop_txl
|| instr
->op
== nir_texop_txd
|| instr
->op
== nir_texop_lod
)
1407 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1408 coords
[chan
] = cast_type(bld_base
, coords
[chan
], nir_type_float
, 32);
1409 else if (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)
1410 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1411 coords
[chan
] = cast_type(bld_base
, coords
[chan
], nir_type_int
, 32);
1413 if (instr
->is_array
&& instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
) {
1414 /* move layer coord for 1d arrays. */
1415 coords
[2] = coords
[1];
1416 coords
[1] = coord_undef
;
1420 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1421 coords
[chan
] = lp_build_mul(&bld_base
->base
, coords
[chan
], projector
);
1422 if (sample_key
& LP_SAMPLER_SHADOW
)
1423 coords
[4] = lp_build_mul(&bld_base
->base
, coords
[4], projector
);
1426 uint32_t base_index
= 0;
1427 if (!texture_deref_instr
) {
1428 int samp_src_index
= nir_tex_instr_src_index(instr
, nir_tex_src_sampler_handle
);
1429 if (samp_src_index
== -1) {
1430 base_index
= instr
->sampler_index
;
1434 if (instr
->op
== nir_texop_txd
) {
1435 sample_key
|= LP_SAMPLER_LOD_DERIVATIVES
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
1436 params
.derivs
= &derivs
;
1437 if (bld_base
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
) {
1438 if (gallivm_perf
& GALLIVM_PERF_NO_QUAD_LOD
)
1439 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1441 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
1443 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1446 sample_key
|= lod_property
<< LP_SAMPLER_LOD_PROPERTY_SHIFT
;
1447 params
.sample_key
= sample_key
;
1448 params
.offsets
= offsets
;
1449 params
.texture_index
= base_index
;
1450 params
.sampler_index
= base_index
;
1451 params
.coords
= coords
;
1452 params
.texel
= texel
;
1453 params
.lod
= explicit_lod
;
1454 bld_base
->tex(bld_base
, ¶ms
);
1455 assign_dest(bld_base
, &instr
->dest
, texel
);
1458 static void visit_ssa_undef(struct lp_build_nir_context
*bld_base
,
1459 const nir_ssa_undef_instr
*instr
)
1461 unsigned num_components
= instr
->def
.num_components
;
1462 LLVMValueRef undef
[4];
1463 for (unsigned i
= 0; i
< num_components
; i
++)
1464 undef
[i
] = LLVMGetUndef(bld_base
->base
.vec_type
);
1465 assign_ssa_dest(bld_base
, &instr
->def
, undef
);
1468 static void visit_jump(struct lp_build_nir_context
*bld_base
,
1469 const nir_jump_instr
*instr
)
1471 switch (instr
->type
) {
1472 case nir_jump_break
:
1473 bld_base
->break_stmt(bld_base
);
1475 case nir_jump_continue
:
1476 bld_base
->continue_stmt(bld_base
);
1479 unreachable("Unknown jump instr\n");
1483 static void visit_deref(struct lp_build_nir_context
*bld_base
,
1484 nir_deref_instr
*instr
)
1486 if (instr
->mode
!= nir_var_mem_shared
&&
1487 instr
->mode
!= nir_var_mem_global
)
1489 LLVMValueRef result
= NULL
;
1490 switch(instr
->deref_type
) {
1491 case nir_deref_type_var
: {
1492 struct hash_entry
*entry
= _mesa_hash_table_search(bld_base
->vars
, instr
->var
);
1493 result
= entry
->data
;
1497 unreachable("Unhandled deref_instr deref type");
1500 assign_ssa(bld_base
, instr
->dest
.ssa
.index
, result
);
1503 static void visit_block(struct lp_build_nir_context
*bld_base
, nir_block
*block
)
1505 nir_foreach_instr(instr
, block
)
1507 switch (instr
->type
) {
1508 case nir_instr_type_alu
:
1509 visit_alu(bld_base
, nir_instr_as_alu(instr
));
1511 case nir_instr_type_load_const
:
1512 visit_load_const(bld_base
, nir_instr_as_load_const(instr
));
1514 case nir_instr_type_intrinsic
:
1515 visit_intrinsic(bld_base
, nir_instr_as_intrinsic(instr
));
1517 case nir_instr_type_tex
:
1518 visit_tex(bld_base
, nir_instr_as_tex(instr
));
1520 case nir_instr_type_phi
:
1523 case nir_instr_type_ssa_undef
:
1524 visit_ssa_undef(bld_base
, nir_instr_as_ssa_undef(instr
));
1526 case nir_instr_type_jump
:
1527 visit_jump(bld_base
, nir_instr_as_jump(instr
));
1529 case nir_instr_type_deref
:
1530 visit_deref(bld_base
, nir_instr_as_deref(instr
));
1533 fprintf(stderr
, "Unknown NIR instr type: ");
1534 nir_print_instr(instr
, stderr
);
1535 fprintf(stderr
, "\n");
1541 static void visit_if(struct lp_build_nir_context
*bld_base
, nir_if
*if_stmt
)
1543 LLVMValueRef cond
= get_src(bld_base
, if_stmt
->condition
);
1545 bld_base
->if_cond(bld_base
, cond
);
1546 visit_cf_list(bld_base
, &if_stmt
->then_list
);
1548 if (!exec_list_is_empty(&if_stmt
->else_list
)) {
1549 bld_base
->else_stmt(bld_base
);
1550 visit_cf_list(bld_base
, &if_stmt
->else_list
);
1552 bld_base
->endif_stmt(bld_base
);
1555 static void visit_loop(struct lp_build_nir_context
*bld_base
, nir_loop
*loop
)
1557 bld_base
->bgnloop(bld_base
);
1558 visit_cf_list(bld_base
, &loop
->body
);
1559 bld_base
->endloop(bld_base
);
1562 static void visit_cf_list(struct lp_build_nir_context
*bld_base
,
1563 struct exec_list
*list
)
1565 foreach_list_typed(nir_cf_node
, node
, node
, list
)
1567 switch (node
->type
) {
1568 case nir_cf_node_block
:
1569 visit_block(bld_base
, nir_cf_node_as_block(node
));
1572 case nir_cf_node_if
:
1573 visit_if(bld_base
, nir_cf_node_as_if(node
));
1576 case nir_cf_node_loop
:
1577 visit_loop(bld_base
, nir_cf_node_as_loop(node
));
1587 handle_shader_output_decl(struct lp_build_nir_context
*bld_base
,
1588 struct nir_shader
*nir
,
1589 struct nir_variable
*variable
)
1591 bld_base
->emit_var_decl(bld_base
, variable
);
1594 /* vector registers are stored as arrays in LLVM side,
1595 so we can use GEP on them, as to do exec mask stores
1596 we need to operate on a single components.
1602 static LLVMTypeRef
get_register_type(struct lp_build_nir_context
*bld_base
,
1605 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, true, reg
->bit_size
);
1607 LLVMTypeRef type
= int_bld
->vec_type
;
1608 if (reg
->num_array_elems
)
1609 type
= LLVMArrayType(type
, reg
->num_array_elems
);
1610 if (reg
->num_components
> 1)
1611 type
= LLVMArrayType(type
, reg
->num_components
);
1617 bool lp_build_nir_llvm(
1618 struct lp_build_nir_context
*bld_base
,
1619 struct nir_shader
*nir
)
1621 struct nir_function
*func
;
1623 nir_convert_from_ssa(nir
, true);
1624 nir_lower_locals_to_regs(nir
);
1625 nir_remove_dead_derefs(nir
);
1626 nir_remove_dead_variables(nir
, nir_var_function_temp
);
1628 nir_foreach_variable(variable
, &nir
->outputs
)
1629 handle_shader_output_decl(bld_base
, nir
, variable
);
1631 bld_base
->regs
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
1632 _mesa_key_pointer_equal
);
1633 bld_base
->vars
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
1634 _mesa_key_pointer_equal
);
1636 func
= (struct nir_function
*)exec_list_get_head(&nir
->functions
);
1638 nir_foreach_register(reg
, &func
->impl
->registers
) {
1639 LLVMTypeRef type
= get_register_type(bld_base
, reg
);
1640 LLVMValueRef reg_alloc
= lp_build_alloca_undef(bld_base
->base
.gallivm
,
1642 _mesa_hash_table_insert(bld_base
->regs
, reg
, reg_alloc
);
1644 nir_index_ssa_defs(func
->impl
);
1645 bld_base
->ssa_defs
= calloc(func
->impl
->ssa_alloc
, sizeof(LLVMValueRef
));
1646 visit_cf_list(bld_base
, &func
->impl
->body
);
1648 free(bld_base
->ssa_defs
);
1649 ralloc_free(bld_base
->vars
);
1650 ralloc_free(bld_base
->regs
);
1654 /* do some basic opts to remove some things we don't want to see. */
1655 void lp_build_opt_nir(struct nir_shader
*nir
)
1660 NIR_PASS_V(nir
, nir_opt_constant_folding
);
1661 NIR_PASS_V(nir
, nir_opt_algebraic
);
1663 nir_lower_bool_to_int32(nir
);