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
->int8_bld
.vec_type
, "");
63 return LLVMBuildBitCast(builder
, val
, bld_base
->int16_bld
.vec_type
, "");
65 return LLVMBuildBitCast(builder
, val
, bld_base
->int_bld
.vec_type
, "");
67 return LLVMBuildBitCast(builder
, val
, bld_base
->int64_bld
.vec_type
, "");
76 return LLVMBuildBitCast(builder
, val
, bld_base
->uint8_bld
.vec_type
, "");
78 return LLVMBuildBitCast(builder
, val
, bld_base
->uint16_bld
.vec_type
, "");
80 return LLVMBuildBitCast(builder
, val
, bld_base
->uint_bld
.vec_type
, "");
82 return LLVMBuildBitCast(builder
, val
, bld_base
->uint64_bld
.vec_type
, "");
89 return LLVMBuildBitCast(builder
, val
, bld_base
->uint_bld
.vec_type
, "");
97 static struct lp_build_context
*get_flt_bld(struct lp_build_nir_context
*bld_base
,
100 if (op_bit_size
== 64)
101 return &bld_base
->dbl_bld
;
103 return &bld_base
->base
;
106 static unsigned glsl_sampler_to_pipe(int sampler_dim
, bool is_array
)
108 unsigned pipe_target
= PIPE_BUFFER
;
109 switch (sampler_dim
) {
110 case GLSL_SAMPLER_DIM_1D
:
111 pipe_target
= is_array
? PIPE_TEXTURE_1D_ARRAY
: PIPE_TEXTURE_1D
;
113 case GLSL_SAMPLER_DIM_2D
:
114 pipe_target
= is_array
? PIPE_TEXTURE_2D_ARRAY
: PIPE_TEXTURE_2D
;
116 case GLSL_SAMPLER_DIM_3D
:
117 pipe_target
= PIPE_TEXTURE_3D
;
119 case GLSL_SAMPLER_DIM_MS
:
120 pipe_target
= is_array
? PIPE_TEXTURE_2D_ARRAY
: PIPE_TEXTURE_2D
;
122 case GLSL_SAMPLER_DIM_CUBE
:
123 pipe_target
= is_array
? PIPE_TEXTURE_CUBE_ARRAY
: PIPE_TEXTURE_CUBE
;
125 case GLSL_SAMPLER_DIM_RECT
:
126 pipe_target
= PIPE_TEXTURE_RECT
;
128 case GLSL_SAMPLER_DIM_BUF
:
129 pipe_target
= PIPE_BUFFER
;
137 static LLVMValueRef
get_ssa_src(struct lp_build_nir_context
*bld_base
, nir_ssa_def
*ssa
)
139 return bld_base
->ssa_defs
[ssa
->index
];
142 static LLVMValueRef
get_src(struct lp_build_nir_context
*bld_base
, nir_src src
);
144 static LLVMValueRef
get_reg_src(struct lp_build_nir_context
*bld_base
, nir_reg_src src
)
146 struct hash_entry
*entry
= _mesa_hash_table_search(bld_base
->regs
, src
.reg
);
147 LLVMValueRef reg_storage
= (LLVMValueRef
)entry
->data
;
148 struct lp_build_context
*reg_bld
= get_int_bld(bld_base
, true, src
.reg
->bit_size
);
149 LLVMValueRef indir_src
= NULL
;
151 indir_src
= get_src(bld_base
, *src
.indirect
);
152 return bld_base
->load_reg(bld_base
, reg_bld
, &src
, indir_src
, reg_storage
);
155 static LLVMValueRef
get_src(struct lp_build_nir_context
*bld_base
, nir_src src
)
158 return get_ssa_src(bld_base
, src
.ssa
);
160 return get_reg_src(bld_base
, src
.reg
);
163 static void assign_ssa(struct lp_build_nir_context
*bld_base
, int idx
, LLVMValueRef ptr
)
165 bld_base
->ssa_defs
[idx
] = ptr
;
168 static void assign_ssa_dest(struct lp_build_nir_context
*bld_base
, const nir_ssa_def
*ssa
,
169 LLVMValueRef vals
[NIR_MAX_VEC_COMPONENTS
])
171 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
));
174 static void assign_reg(struct lp_build_nir_context
*bld_base
, const nir_reg_dest
*reg
,
176 LLVMValueRef vals
[NIR_MAX_VEC_COMPONENTS
])
178 struct hash_entry
*entry
= _mesa_hash_table_search(bld_base
->regs
, reg
->reg
);
179 LLVMValueRef reg_storage
= (LLVMValueRef
)entry
->data
;
180 struct lp_build_context
*reg_bld
= get_int_bld(bld_base
, true, reg
->reg
->bit_size
);
181 LLVMValueRef indir_src
= NULL
;
183 indir_src
= get_src(bld_base
, *reg
->indirect
);
184 bld_base
->store_reg(bld_base
, reg_bld
, reg
, write_mask
? write_mask
: 0xf, indir_src
, reg_storage
, vals
);
187 static void assign_dest(struct lp_build_nir_context
*bld_base
, const nir_dest
*dest
, LLVMValueRef vals
[NIR_MAX_VEC_COMPONENTS
])
190 assign_ssa_dest(bld_base
, &dest
->ssa
, vals
);
192 assign_reg(bld_base
, &dest
->reg
, 0, vals
);
195 static void assign_alu_dest(struct lp_build_nir_context
*bld_base
, const nir_alu_dest
*dest
, LLVMValueRef vals
[NIR_MAX_VEC_COMPONENTS
])
197 if (dest
->dest
.is_ssa
)
198 assign_ssa_dest(bld_base
, &dest
->dest
.ssa
, vals
);
200 assign_reg(bld_base
, &dest
->dest
.reg
, dest
->write_mask
, vals
);
203 static LLVMValueRef
int_to_bool32(struct lp_build_nir_context
*bld_base
,
204 uint32_t src_bit_size
,
208 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
209 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, is_unsigned
, src_bit_size
);
210 LLVMValueRef result
= lp_build_compare(bld_base
->base
.gallivm
, int_bld
->type
, PIPE_FUNC_NOTEQUAL
, val
, int_bld
->zero
);
211 if (src_bit_size
== 64)
212 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
216 static LLVMValueRef
flt_to_bool32(struct lp_build_nir_context
*bld_base
,
217 uint32_t src_bit_size
,
220 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
221 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
);
222 LLVMValueRef result
= lp_build_cmp(flt_bld
, PIPE_FUNC_NOTEQUAL
, val
, flt_bld
->zero
);
223 if (src_bit_size
== 64)
224 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
228 static LLVMValueRef
fcmp32(struct lp_build_nir_context
*bld_base
,
229 enum pipe_compare_func compare
,
230 uint32_t src_bit_size
,
231 LLVMValueRef src
[NIR_MAX_VEC_COMPONENTS
])
233 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
234 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
);
237 if (compare
!= PIPE_FUNC_NOTEQUAL
)
238 result
= lp_build_cmp_ordered(flt_bld
, compare
, src
[0], src
[1]);
240 result
= lp_build_cmp(flt_bld
, compare
, src
[0], src
[1]);
241 if (src_bit_size
== 64)
242 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
246 static LLVMValueRef
icmp32(struct lp_build_nir_context
*bld_base
,
247 enum pipe_compare_func compare
,
249 uint32_t src_bit_size
,
250 LLVMValueRef src
[NIR_MAX_VEC_COMPONENTS
])
252 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
253 struct lp_build_context
*i_bld
= get_int_bld(bld_base
, is_unsigned
, src_bit_size
);
254 LLVMValueRef result
= lp_build_cmp(i_bld
, compare
, src
[0], src
[1]);
255 if (src_bit_size
< 32)
256 result
= LLVMBuildSExt(builder
, result
, bld_base
->int_bld
.vec_type
, "");
257 else if (src_bit_size
== 64)
258 result
= LLVMBuildTrunc(builder
, result
, bld_base
->int_bld
.vec_type
, "");
262 static LLVMValueRef
get_alu_src(struct lp_build_nir_context
*bld_base
,
264 unsigned num_components
)
266 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
267 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
268 LLVMValueRef value
= get_src(bld_base
, src
.src
);
269 bool need_swizzle
= false;
272 unsigned src_components
= nir_src_num_components(src
.src
);
273 for (unsigned i
= 0; i
< num_components
; ++i
) {
274 assert(src
.swizzle
[i
] < src_components
);
275 if (src
.swizzle
[i
] != i
)
279 if (need_swizzle
|| num_components
!= src_components
) {
280 if (src_components
> 1 && num_components
== 1) {
281 value
= LLVMBuildExtractValue(gallivm
->builder
, value
,
283 } else if (src_components
== 1 && num_components
> 1) {
284 LLVMValueRef values
[] = {value
, value
, value
, value
, value
, value
, value
, value
, value
, value
, value
, value
, value
, value
, value
, value
};
285 value
= lp_nir_array_build_gather_values(builder
, values
, num_components
);
287 LLVMValueRef arr
= LLVMGetUndef(LLVMArrayType(LLVMTypeOf(LLVMBuildExtractValue(builder
, value
, 0, "")), num_components
));
288 for (unsigned i
= 0; i
< num_components
; i
++)
289 arr
= LLVMBuildInsertValue(builder
, arr
, LLVMBuildExtractValue(builder
, value
, src
.swizzle
[i
], ""), i
, "");
298 static LLVMValueRef
emit_b2f(struct lp_build_nir_context
*bld_base
,
302 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
303 LLVMValueRef result
= LLVMBuildAnd(builder
, cast_type(bld_base
, src0
, nir_type_int
, 32),
304 LLVMBuildBitCast(builder
, lp_build_const_vec(bld_base
->base
.gallivm
, bld_base
->base
.type
,
305 1.0), bld_base
->int_bld
.vec_type
, ""),
307 result
= LLVMBuildBitCast(builder
, result
, bld_base
->base
.vec_type
, "");
312 result
= LLVMBuildFPExt(builder
, result
, bld_base
->dbl_bld
.vec_type
, "");
315 unreachable("unsupported bit size.");
320 static LLVMValueRef
emit_b2i(struct lp_build_nir_context
*bld_base
,
324 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
325 LLVMValueRef result
= LLVMBuildAnd(builder
, cast_type(bld_base
, src0
, nir_type_int
, 32),
326 lp_build_const_int_vec(bld_base
->base
.gallivm
, bld_base
->base
.type
, 1), "");
331 return LLVMBuildZExt(builder
, result
, bld_base
->int64_bld
.vec_type
, "");
333 unreachable("unsupported bit size.");
337 static LLVMValueRef
emit_b32csel(struct lp_build_nir_context
*bld_base
,
338 unsigned src_bit_size
[NIR_MAX_VEC_COMPONENTS
],
339 LLVMValueRef src
[NIR_MAX_VEC_COMPONENTS
])
341 LLVMValueRef sel
= cast_type(bld_base
, src
[0], nir_type_int
, 32);
342 LLVMValueRef v
= lp_build_compare(bld_base
->base
.gallivm
, bld_base
->int_bld
.type
, PIPE_FUNC_NOTEQUAL
, sel
, bld_base
->int_bld
.zero
);
343 struct lp_build_context
*bld
= get_int_bld(bld_base
, false, src_bit_size
[1]);
344 return lp_build_select(bld
, v
, src
[1], src
[2]);
347 static LLVMValueRef
split_64bit(struct lp_build_nir_context
*bld_base
,
351 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
352 LLVMValueRef shuffles
[LP_MAX_VECTOR_WIDTH
/32];
353 LLVMValueRef shuffles2
[LP_MAX_VECTOR_WIDTH
/32];
354 int len
= bld_base
->base
.type
.length
* 2;
355 for (unsigned i
= 0; i
< bld_base
->base
.type
.length
; i
++) {
356 #if UTIL_ARCH_LITTLE_ENDIAN
357 shuffles
[i
] = lp_build_const_int32(gallivm
, i
* 2);
358 shuffles2
[i
] = lp_build_const_int32(gallivm
, (i
* 2) + 1);
360 shuffles
[i
] = lp_build_const_int32(gallivm
, (i
* 2) + 1);
361 shuffles2
[i
] = lp_build_const_int32(gallivm
, (i
* 2));
365 src
= LLVMBuildBitCast(gallivm
->builder
, src
, LLVMVectorType(LLVMInt32TypeInContext(gallivm
->context
), len
), "");
366 return LLVMBuildShuffleVector(gallivm
->builder
, src
,
367 LLVMGetUndef(LLVMTypeOf(src
)),
368 LLVMConstVector(hi
? shuffles2
: shuffles
,
369 bld_base
->base
.type
.length
),
374 merge_64bit(struct lp_build_nir_context
*bld_base
,
378 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
379 LLVMBuilderRef builder
= gallivm
->builder
;
381 LLVMValueRef shuffles
[2 * (LP_MAX_VECTOR_WIDTH
/32)];
382 int len
= bld_base
->base
.type
.length
* 2;
383 assert(len
<= (2 * (LP_MAX_VECTOR_WIDTH
/32)));
385 for (i
= 0; i
< bld_base
->base
.type
.length
* 2; i
+=2) {
386 #if UTIL_ARCH_LITTLE_ENDIAN
387 shuffles
[i
] = lp_build_const_int32(gallivm
, i
/ 2);
388 shuffles
[i
+ 1] = lp_build_const_int32(gallivm
, i
/ 2 + bld_base
->base
.type
.length
);
390 shuffles
[i
] = lp_build_const_int32(gallivm
, i
/ 2 + bld_base
->base
.type
.length
);
391 shuffles
[i
+ 1] = lp_build_const_int32(gallivm
, i
/ 2);
394 return LLVMBuildShuffleVector(builder
, input
, input2
, LLVMConstVector(shuffles
, len
), "");
398 do_int_divide(struct lp_build_nir_context
*bld_base
,
399 bool is_unsigned
, unsigned src_bit_size
,
400 LLVMValueRef src
, LLVMValueRef src2
)
402 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
403 LLVMBuilderRef builder
= gallivm
->builder
;
404 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, is_unsigned
, src_bit_size
);
405 struct lp_build_context
*mask_bld
= get_int_bld(bld_base
, true, src_bit_size
);
406 LLVMValueRef div_mask
= lp_build_cmp(mask_bld
, PIPE_FUNC_EQUAL
, src2
,
410 /* INT_MIN (0x80000000) / -1 (0xffffffff) causes sigfpe, seen with blender. */
411 div_mask
= LLVMBuildAnd(builder
, div_mask
, lp_build_const_int_vec(gallivm
, int_bld
->type
, 0x7fffffff), "");
413 LLVMValueRef divisor
= LLVMBuildOr(builder
,
416 LLVMValueRef result
= lp_build_div(int_bld
, src
, divisor
);
419 LLVMValueRef not_div_mask
= LLVMBuildNot(builder
, div_mask
, "");
420 return LLVMBuildAnd(builder
, not_div_mask
, result
, "");
422 /* udiv by zero is guaranteed to return 0xffffffff at least with d3d10
423 * may as well do same for idiv */
424 return LLVMBuildOr(builder
, div_mask
, result
, "");
428 do_int_mod(struct lp_build_nir_context
*bld_base
,
429 bool is_unsigned
, unsigned src_bit_size
,
430 LLVMValueRef src
, LLVMValueRef src2
)
432 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
433 LLVMBuilderRef builder
= gallivm
->builder
;
434 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, is_unsigned
, src_bit_size
);
435 LLVMValueRef div_mask
= lp_build_cmp(int_bld
, PIPE_FUNC_EQUAL
, src2
,
437 LLVMValueRef divisor
= LLVMBuildOr(builder
,
440 LLVMValueRef result
= lp_build_mod(int_bld
, src
, divisor
);
441 return LLVMBuildOr(builder
, div_mask
, result
, "");
444 static LLVMValueRef
do_alu_action(struct lp_build_nir_context
*bld_base
,
445 nir_op op
, unsigned src_bit_size
[NIR_MAX_VEC_COMPONENTS
], LLVMValueRef src
[NIR_MAX_VEC_COMPONENTS
])
447 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
448 LLVMBuilderRef builder
= gallivm
->builder
;
452 result
= emit_b2f(bld_base
, src
[0], 32);
455 result
= emit_b2f(bld_base
, src
[0], 64);
458 result
= emit_b2i(bld_base
, src
[0], 32);
461 result
= emit_b2i(bld_base
, src
[0], 64);
464 result
= emit_b32csel(bld_base
, src_bit_size
, src
);
466 case nir_op_bit_count
:
467 result
= lp_build_popcount(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
469 case nir_op_bitfield_select
:
470 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])));
472 case nir_op_bitfield_reverse
:
473 result
= lp_build_bitfield_reverse(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
476 result
= flt_to_bool32(bld_base
, src_bit_size
[0], src
[0]);
479 result
= LLVMBuildFPTrunc(builder
, src
[0],
480 bld_base
->base
.vec_type
, "");
483 result
= LLVMBuildFPExt(builder
, src
[0],
484 bld_base
->dbl_bld
.vec_type
, "");
487 result
= LLVMBuildFPToSI(builder
, src
[0], bld_base
->base
.int_vec_type
, "");
490 result
= LLVMBuildFPToUI(builder
,
492 bld_base
->base
.int_vec_type
, "");
495 result
= LLVMBuildFPToSI(builder
,
497 bld_base
->int64_bld
.vec_type
, "");
500 result
= LLVMBuildFPToUI(builder
,
502 bld_base
->uint64_bld
.vec_type
, "");
505 result
= lp_build_abs(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
508 result
= lp_build_add(get_flt_bld(bld_base
, src_bit_size
[0]),
512 result
= lp_build_ceil(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
515 result
= lp_build_cos(&bld_base
->base
, src
[0]);
518 case nir_op_fddx_coarse
:
519 case nir_op_fddx_fine
:
520 result
= lp_build_ddx(&bld_base
->base
, src
[0]);
523 case nir_op_fddy_coarse
:
524 case nir_op_fddy_fine
:
525 result
= lp_build_ddy(&bld_base
->base
, src
[0]);
528 result
= lp_build_div(get_flt_bld(bld_base
, src_bit_size
[0]),
532 result
= fcmp32(bld_base
, PIPE_FUNC_EQUAL
, src_bit_size
[0], src
);
535 result
= lp_build_exp2(&bld_base
->base
, src
[0]);
538 result
= lp_build_floor(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
541 result
= lp_build_fmuladd(builder
, src
[0], src
[1], src
[2]);
543 case nir_op_ffract
: {
544 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
[0]);
545 LLVMValueRef tmp
= lp_build_floor(flt_bld
, src
[0]);
546 result
= lp_build_sub(flt_bld
, src
[0], tmp
);
550 result
= fcmp32(bld_base
, PIPE_FUNC_GEQUAL
, src_bit_size
[0], src
);
552 case nir_op_find_lsb
:
553 result
= lp_build_cttz(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
556 result
= lp_build_log2_safe(&bld_base
->base
, src
[0]);
559 result
= fcmp32(bld_base
, PIPE_FUNC_LESS
, src_bit_size
[0], src
);
562 result
= lp_build_min(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0], src
[1]);
565 struct lp_build_context
*flt_bld
= get_flt_bld(bld_base
, src_bit_size
[0]);
566 result
= lp_build_div(flt_bld
, src
[0], src
[1]);
567 result
= lp_build_floor(flt_bld
, result
);
568 result
= lp_build_mul(flt_bld
, src
[1], result
);
569 result
= lp_build_sub(flt_bld
, src
[0], result
);
573 result
= lp_build_mul(get_flt_bld(bld_base
, src_bit_size
[0]),
577 result
= lp_build_max(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0], src
[1]);
580 result
= fcmp32(bld_base
, PIPE_FUNC_NOTEQUAL
, src_bit_size
[0], src
);
583 result
= lp_build_negate(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
586 result
= lp_build_pow(&bld_base
->base
, src
[0], src
[1]);
589 result
= lp_build_rcp(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
591 case nir_op_fround_even
:
592 result
= lp_build_round(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
595 result
= lp_build_rsqrt(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
598 result
= lp_build_clamp_zero_one_nanzero(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
601 result
= lp_build_sgn(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
604 result
= lp_build_sin(&bld_base
->base
, src
[0]);
607 result
= lp_build_sqrt(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
610 result
= lp_build_trunc(get_flt_bld(bld_base
, src_bit_size
[0]), src
[0]);
613 result
= int_to_bool32(bld_base
, src_bit_size
[0], false, src
[0]);
616 result
= lp_build_int_to_float(&bld_base
->base
, src
[0]);
619 result
= lp_build_int_to_float(&bld_base
->dbl_bld
, src
[0]);
622 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->int8_bld
.vec_type
, "");
625 if (src_bit_size
[0] < 16)
626 result
= LLVMBuildSExt(builder
, src
[0], bld_base
->int16_bld
.vec_type
, "");
628 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->int16_bld
.vec_type
, "");
631 if (src_bit_size
[0] < 32)
632 result
= LLVMBuildSExt(builder
, src
[0], bld_base
->int_bld
.vec_type
, "");
634 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->int_bld
.vec_type
, "");
637 result
= LLVMBuildSExt(builder
, src
[0], bld_base
->int64_bld
.vec_type
, "");
640 result
= lp_build_abs(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
643 result
= lp_build_add(get_int_bld(bld_base
, false, src_bit_size
[0]),
647 result
= lp_build_and(get_int_bld(bld_base
, false, src_bit_size
[0]),
651 result
= do_int_divide(bld_base
, false, src_bit_size
[0], src
[0], src
[1]);
654 result
= icmp32(bld_base
, PIPE_FUNC_EQUAL
, false, src_bit_size
[0], src
);
657 result
= icmp32(bld_base
, PIPE_FUNC_GEQUAL
, false, src_bit_size
[0], src
);
660 result
= icmp32(bld_base
, PIPE_FUNC_LESS
, false, src_bit_size
[0], src
);
663 result
= lp_build_max(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0], src
[1]);
666 result
= lp_build_min(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0], src
[1]);
670 result
= lp_build_mul(get_int_bld(bld_base
, false, src_bit_size
[0]),
673 case nir_op_imul_high
: {
674 LLVMValueRef hi_bits
;
675 lp_build_mul_32_lohi(&bld_base
->int_bld
, src
[0], src
[1], &hi_bits
);
680 result
= icmp32(bld_base
, PIPE_FUNC_NOTEQUAL
, false, src_bit_size
[0], src
);
683 result
= lp_build_negate(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
686 result
= lp_build_not(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
689 result
= lp_build_or(get_int_bld(bld_base
, false, src_bit_size
[0]),
693 result
= do_int_mod(bld_base
, false, src_bit_size
[0], src
[0], src
[1]);
696 struct lp_build_context
*uint_bld
= get_int_bld(bld_base
, true, src_bit_size
[0]);
697 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, false, src_bit_size
[0]);
698 if (src_bit_size
[0] == 64)
699 src
[1] = LLVMBuildZExt(builder
, src
[1], uint_bld
->vec_type
, "");
700 if (src_bit_size
[0] < 32)
701 src
[1] = LLVMBuildTrunc(builder
, src
[1], uint_bld
->vec_type
, "");
702 src
[1] = lp_build_and(uint_bld
, src
[1], lp_build_const_int_vec(gallivm
, uint_bld
->type
, (src_bit_size
[0] - 1)));
703 result
= lp_build_shl(int_bld
, src
[0], src
[1]);
707 struct lp_build_context
*uint_bld
= get_int_bld(bld_base
, true, src_bit_size
[0]);
708 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, false, src_bit_size
[0]);
709 if (src_bit_size
[0] == 64)
710 src
[1] = LLVMBuildZExt(builder
, src
[1], uint_bld
->vec_type
, "");
711 if (src_bit_size
[0] < 32)
712 src
[1] = LLVMBuildTrunc(builder
, src
[1], uint_bld
->vec_type
, "");
713 src
[1] = lp_build_and(uint_bld
, src
[1], lp_build_const_int_vec(gallivm
, uint_bld
->type
, (src_bit_size
[0] - 1)));
714 result
= lp_build_shr(int_bld
, src
[0], src
[1]);
718 result
= lp_build_sgn(get_int_bld(bld_base
, false, src_bit_size
[0]), src
[0]);
721 result
= lp_build_sub(get_int_bld(bld_base
, false, src_bit_size
[0]),
725 result
= lp_build_xor(get_int_bld(bld_base
, false, src_bit_size
[0]),
731 case nir_op_unpack_64_2x32_split_x
:
732 result
= split_64bit(bld_base
, src
[0], false);
734 case nir_op_unpack_64_2x32_split_y
:
735 result
= split_64bit(bld_base
, src
[0], true);
738 case nir_op_pack_64_2x32_split
: {
739 LLVMValueRef tmp
= merge_64bit(bld_base
, src
[0], src
[1]);
740 result
= LLVMBuildBitCast(builder
, tmp
, bld_base
->dbl_bld
.vec_type
, "");
744 result
= LLVMBuildUIToFP(builder
, src
[0], bld_base
->base
.vec_type
, "");
747 result
= LLVMBuildUIToFP(builder
, src
[0], bld_base
->dbl_bld
.vec_type
, "");
750 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->uint8_bld
.vec_type
, "");
753 if (src_bit_size
[0] < 16)
754 result
= LLVMBuildZExt(builder
, src
[0], bld_base
->uint16_bld
.vec_type
, "");
756 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->uint16_bld
.vec_type
, "");
759 if (src_bit_size
[0] < 32)
760 result
= LLVMBuildZExt(builder
, src
[0], bld_base
->uint_bld
.vec_type
, "");
762 result
= LLVMBuildTrunc(builder
, src
[0], bld_base
->uint_bld
.vec_type
, "");
765 result
= LLVMBuildZExt(builder
, src
[0], bld_base
->uint64_bld
.vec_type
, "");
768 result
= do_int_divide(bld_base
, true, src_bit_size
[0], src
[0], src
[1]);
770 case nir_op_ufind_msb
: {
771 struct lp_build_context
*uint_bld
= get_int_bld(bld_base
, true, src_bit_size
[0]);
772 result
= lp_build_ctlz(uint_bld
, src
[0]);
773 result
= lp_build_sub(uint_bld
, lp_build_const_int_vec(gallivm
, uint_bld
->type
, src_bit_size
[0] - 1), result
);
777 result
= icmp32(bld_base
, PIPE_FUNC_GEQUAL
, true, src_bit_size
[0], src
);
780 result
= icmp32(bld_base
, PIPE_FUNC_LESS
, true, src_bit_size
[0], src
);
783 result
= lp_build_max(get_int_bld(bld_base
, true, src_bit_size
[0]), src
[0], src
[1]);
786 result
= lp_build_min(get_int_bld(bld_base
, true, src_bit_size
[0]), src
[0], src
[1]);
789 result
= do_int_mod(bld_base
, true, src_bit_size
[0], src
[0], src
[1]);
791 case nir_op_umul_high
: {
792 LLVMValueRef hi_bits
;
793 lp_build_mul_32_lohi(&bld_base
->uint_bld
, src
[0], src
[1], &hi_bits
);
798 struct lp_build_context
*uint_bld
= get_int_bld(bld_base
, true, src_bit_size
[0]);
799 if (src_bit_size
[0] == 64)
800 src
[1] = LLVMBuildZExt(builder
, src
[1], uint_bld
->vec_type
, "");
801 if (src_bit_size
[0] < 32)
802 src
[1] = LLVMBuildTrunc(builder
, src
[1], uint_bld
->vec_type
, "");
803 src
[1] = lp_build_and(uint_bld
, src
[1], lp_build_const_int_vec(gallivm
, uint_bld
->type
, (src_bit_size
[0] - 1)));
804 result
= lp_build_shr(uint_bld
, src
[0], src
[1]);
814 static void visit_alu(struct lp_build_nir_context
*bld_base
, const nir_alu_instr
*instr
)
816 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
817 LLVMValueRef src
[NIR_MAX_VEC_COMPONENTS
];
818 unsigned src_bit_size
[NIR_MAX_VEC_COMPONENTS
];
819 unsigned num_components
= nir_dest_num_components(instr
->dest
.dest
);
820 unsigned src_components
;
829 case nir_op_pack_half_2x16
:
832 case nir_op_unpack_half_2x16
:
835 case nir_op_cube_face_coord
:
836 case nir_op_cube_face_index
:
840 src_components
= num_components
;
843 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++) {
844 src
[i
] = get_alu_src(bld_base
, instr
->src
[i
], src_components
);
845 src_bit_size
[i
] = nir_src_bit_size(instr
->src
[i
].src
);
848 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
];
849 if (instr
->op
== nir_op_vec4
|| instr
->op
== nir_op_vec3
|| instr
->op
== nir_op_vec2
|| instr
->op
== nir_op_vec8
|| instr
->op
== nir_op_vec16
) {
850 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++) {
851 result
[i
] = cast_type(bld_base
, src
[i
], nir_op_infos
[instr
->op
].input_types
[i
], src_bit_size
[i
]);
854 for (unsigned c
= 0; c
< num_components
; c
++) {
855 LLVMValueRef src_chan
[NIR_MAX_VEC_COMPONENTS
];
857 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++) {
858 if (num_components
> 1) {
859 src_chan
[i
] = LLVMBuildExtractValue(gallivm
->builder
,
862 src_chan
[i
] = src
[i
];
863 src_chan
[i
] = cast_type(bld_base
, src_chan
[i
], nir_op_infos
[instr
->op
].input_types
[i
], src_bit_size
[i
]);
865 result
[c
] = do_alu_action(bld_base
, instr
->op
, src_bit_size
, src_chan
);
866 result
[c
] = cast_type(bld_base
, result
[c
], nir_op_infos
[instr
->op
].output_type
, nir_dest_bit_size(instr
->dest
.dest
));
869 assign_alu_dest(bld_base
, &instr
->dest
, result
);
872 static void visit_load_const(struct lp_build_nir_context
*bld_base
,
873 const nir_load_const_instr
*instr
)
875 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
];
876 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, true, instr
->def
.bit_size
);
877 for (unsigned i
= 0; i
< instr
->def
.num_components
; i
++)
878 result
[i
] = lp_build_const_int_vec(bld_base
->base
.gallivm
, int_bld
->type
, instr
->def
.bit_size
== 32 ? instr
->value
[i
].u32
: instr
->value
[i
].u64
);
879 assign_ssa_dest(bld_base
, &instr
->def
, result
);
883 get_deref_offset(struct lp_build_nir_context
*bld_base
, nir_deref_instr
*instr
,
884 bool vs_in
, unsigned *vertex_index_out
,
885 LLVMValueRef
*vertex_index_ref
,
886 unsigned *const_out
, LLVMValueRef
*indir_out
)
888 LLVMBuilderRef builder
= bld_base
->base
.gallivm
->builder
;
889 nir_variable
*var
= nir_deref_instr_get_variable(instr
);
891 unsigned idx_lvl
= 1;
893 nir_deref_path_init(&path
, instr
, NULL
);
895 if (vertex_index_out
!= NULL
|| vertex_index_ref
!= NULL
) {
896 if (vertex_index_ref
) {
897 *vertex_index_ref
= get_src(bld_base
, path
.path
[idx_lvl
]->arr
.index
);
898 if (vertex_index_out
)
899 *vertex_index_out
= 0;
901 *vertex_index_out
= nir_src_as_uint(path
.path
[idx_lvl
]->arr
.index
);
906 uint32_t const_offset
= 0;
907 LLVMValueRef offset
= NULL
;
909 if (var
->data
.compact
) {
910 assert(instr
->deref_type
== nir_deref_type_array
);
911 const_offset
= nir_src_as_uint(instr
->arr
.index
);
915 for (; path
.path
[idx_lvl
]; ++idx_lvl
) {
916 const struct glsl_type
*parent_type
= path
.path
[idx_lvl
- 1]->type
;
917 if (path
.path
[idx_lvl
]->deref_type
== nir_deref_type_struct
) {
918 unsigned index
= path
.path
[idx_lvl
]->strct
.index
;
920 for (unsigned i
= 0; i
< index
; i
++) {
921 const struct glsl_type
*ft
= glsl_get_struct_field(parent_type
, i
);
922 const_offset
+= glsl_count_attribute_slots(ft
, vs_in
);
924 } else if(path
.path
[idx_lvl
]->deref_type
== nir_deref_type_array
) {
925 unsigned size
= glsl_count_attribute_slots(path
.path
[idx_lvl
]->type
, vs_in
);
926 if (nir_src_is_const(path
.path
[idx_lvl
]->arr
.index
)) {
927 const_offset
+= nir_src_comp_as_int(path
.path
[idx_lvl
]->arr
.index
, 0) * size
;
929 LLVMValueRef idx_src
= get_src(bld_base
, path
.path
[idx_lvl
]->arr
.index
);
930 idx_src
= cast_type(bld_base
, idx_src
, nir_type_uint
, 32);
931 LLVMValueRef array_off
= lp_build_mul(&bld_base
->uint_bld
, lp_build_const_int_vec(bld_base
->base
.gallivm
, bld_base
->base
.type
, size
),
934 offset
= lp_build_add(&bld_base
->uint_bld
, offset
, array_off
);
939 unreachable("Uhandled deref type in get_deref_instr_offset");
943 nir_deref_path_finish(&path
);
945 if (const_offset
&& offset
)
946 offset
= LLVMBuildAdd(builder
, offset
,
947 lp_build_const_int_vec(bld_base
->base
.gallivm
, bld_base
->uint_bld
.type
, const_offset
),
949 *const_out
= const_offset
;
953 static void visit_load_var(struct lp_build_nir_context
*bld_base
,
954 nir_intrinsic_instr
*instr
,
955 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
957 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
958 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
959 nir_variable_mode mode
= deref
->mode
;
960 unsigned const_index
;
961 LLVMValueRef indir_index
;
962 LLVMValueRef indir_vertex_index
= NULL
;
963 unsigned vertex_index
= 0;
964 unsigned nc
= nir_dest_num_components(instr
->dest
);
965 unsigned bit_size
= nir_dest_bit_size(instr
->dest
);
967 bool vs_in
= bld_base
->shader
->info
.stage
== MESA_SHADER_VERTEX
&&
968 var
->data
.mode
== nir_var_shader_in
;
969 bool gs_in
= bld_base
->shader
->info
.stage
== MESA_SHADER_GEOMETRY
&&
970 var
->data
.mode
== nir_var_shader_in
;
971 bool tcs_in
= bld_base
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
&&
972 var
->data
.mode
== nir_var_shader_in
;
973 bool tcs_out
= bld_base
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
&&
974 var
->data
.mode
== nir_var_shader_out
&& !var
->data
.patch
;
975 bool tes_in
= bld_base
->shader
->info
.stage
== MESA_SHADER_TESS_EVAL
&&
976 var
->data
.mode
== nir_var_shader_in
&& !var
->data
.patch
;
978 mode
= var
->data
.mode
;
980 get_deref_offset(bld_base
, deref
, vs_in
, gs_in
? &vertex_index
: NULL
, (tcs_in
|| tcs_out
|| tes_in
) ? &indir_vertex_index
: NULL
,
981 &const_index
, &indir_index
);
983 bld_base
->load_var(bld_base
, mode
, nc
, bit_size
, var
, vertex_index
, indir_vertex_index
, const_index
, indir_index
, result
);
987 visit_store_var(struct lp_build_nir_context
*bld_base
,
988 nir_intrinsic_instr
*instr
)
990 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
991 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
992 nir_variable_mode mode
= deref
->mode
;
993 int writemask
= instr
->const_index
[0];
994 unsigned bit_size
= nir_src_bit_size(instr
->src
[1]);
995 LLVMValueRef src
= get_src(bld_base
, instr
->src
[1]);
996 unsigned const_index
= 0;
997 LLVMValueRef indir_index
, indir_vertex_index
= NULL
;
999 bool tcs_out
= bld_base
->shader
->info
.stage
== MESA_SHADER_TESS_CTRL
&&
1000 var
->data
.mode
== nir_var_shader_out
&& !var
->data
.patch
;
1001 get_deref_offset(bld_base
, deref
, false, NULL
, tcs_out
? &indir_vertex_index
: NULL
,
1002 &const_index
, &indir_index
);
1004 bld_base
->store_var(bld_base
, mode
, instr
->num_components
, bit_size
, var
, writemask
, indir_vertex_index
, const_index
, indir_index
, src
);
1007 static void visit_load_ubo(struct lp_build_nir_context
*bld_base
,
1008 nir_intrinsic_instr
*instr
,
1009 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1011 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1012 LLVMBuilderRef builder
= gallivm
->builder
;
1013 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
1014 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
1016 bool offset_is_uniform
= nir_src_is_dynamically_uniform(instr
->src
[1]);
1017 idx
= LLVMBuildExtractElement(builder
, idx
, lp_build_const_int32(gallivm
, 0), "");
1018 bld_base
->load_ubo(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
1019 offset_is_uniform
, idx
, offset
, result
);
1023 static void visit_load_ssbo(struct lp_build_nir_context
*bld_base
,
1024 nir_intrinsic_instr
*instr
,
1025 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1027 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
1028 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
1029 bld_base
->load_mem(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
1030 idx
, offset
, result
);
1033 static void visit_store_ssbo(struct lp_build_nir_context
*bld_base
,
1034 nir_intrinsic_instr
*instr
)
1036 LLVMValueRef val
= get_src(bld_base
, instr
->src
[0]);
1037 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[1]);
1038 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[2]);
1039 int writemask
= instr
->const_index
[0];
1040 int nc
= nir_src_num_components(instr
->src
[0]);
1041 int bitsize
= nir_src_bit_size(instr
->src
[0]);
1042 bld_base
->store_mem(bld_base
, writemask
, nc
, bitsize
, idx
, offset
, val
);
1045 static void visit_get_buffer_size(struct lp_build_nir_context
*bld_base
,
1046 nir_intrinsic_instr
*instr
,
1047 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1049 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
1050 result
[0] = bld_base
->get_buffer_size(bld_base
, idx
);
1053 static void visit_ssbo_atomic(struct lp_build_nir_context
*bld_base
,
1054 nir_intrinsic_instr
*instr
,
1055 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1057 LLVMValueRef idx
= get_src(bld_base
, instr
->src
[0]);
1058 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
1059 LLVMValueRef val
= get_src(bld_base
, instr
->src
[2]);
1060 LLVMValueRef val2
= NULL
;
1061 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
)
1062 val2
= get_src(bld_base
, instr
->src
[3]);
1064 bld_base
->atomic_mem(bld_base
, instr
->intrinsic
, idx
, offset
, val
, val2
, &result
[0]);
1068 static void visit_load_image(struct lp_build_nir_context
*bld_base
,
1069 nir_intrinsic_instr
*instr
,
1070 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1072 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1073 LLVMBuilderRef builder
= gallivm
->builder
;
1074 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1075 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1076 LLVMValueRef coord_val
= get_src(bld_base
, instr
->src
[1]);
1077 LLVMValueRef coords
[5];
1078 struct lp_img_params params
;
1079 const struct glsl_type
*type
= glsl_without_array(var
->type
);
1081 memset(¶ms
, 0, sizeof(params
));
1082 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(type
), glsl_sampler_type_is_array(type
));
1083 for (unsigned i
= 0; i
< 4; i
++)
1084 coords
[i
] = LLVMBuildExtractValue(builder
, coord_val
, i
, "");
1085 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
1086 coords
[2] = coords
[1];
1088 params
.coords
= coords
;
1089 params
.outdata
= result
;
1090 params
.img_op
= LP_IMG_LOAD
;
1091 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_MS
)
1092 params
.ms_index
= get_src(bld_base
, instr
->src
[2]);
1093 params
.image_index
= var
->data
.binding
;
1094 bld_base
->image_op(bld_base
, ¶ms
);
1097 static void visit_store_image(struct lp_build_nir_context
*bld_base
,
1098 nir_intrinsic_instr
*instr
)
1100 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1101 LLVMBuilderRef builder
= gallivm
->builder
;
1102 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1103 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1104 LLVMValueRef coord_val
= get_src(bld_base
, instr
->src
[1]);
1105 LLVMValueRef in_val
= get_src(bld_base
, instr
->src
[3]);
1106 LLVMValueRef coords
[5];
1107 struct lp_img_params params
;
1108 const struct glsl_type
*type
= glsl_without_array(var
->type
);
1110 memset(¶ms
, 0, sizeof(params
));
1111 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(type
), glsl_sampler_type_is_array(type
));
1112 for (unsigned i
= 0; i
< 4; i
++)
1113 coords
[i
] = LLVMBuildExtractValue(builder
, coord_val
, i
, "");
1114 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
1115 coords
[2] = coords
[1];
1116 params
.coords
= coords
;
1118 for (unsigned i
= 0; i
< 4; i
++) {
1119 params
.indata
[i
] = LLVMBuildExtractValue(builder
, in_val
, i
, "");
1120 params
.indata
[i
] = LLVMBuildBitCast(builder
, params
.indata
[i
], bld_base
->base
.vec_type
, "");
1122 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_MS
)
1123 params
.ms_index
= get_src(bld_base
, instr
->src
[2]);
1124 params
.img_op
= LP_IMG_STORE
;
1125 params
.image_index
= var
->data
.binding
;
1127 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
1128 coords
[2] = coords
[1];
1129 bld_base
->image_op(bld_base
, ¶ms
);
1132 static void visit_atomic_image(struct lp_build_nir_context
*bld_base
,
1133 nir_intrinsic_instr
*instr
,
1134 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1136 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1137 LLVMBuilderRef builder
= gallivm
->builder
;
1138 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1139 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1140 struct lp_img_params params
;
1141 LLVMValueRef coord_val
= get_src(bld_base
, instr
->src
[1]);
1142 LLVMValueRef in_val
= get_src(bld_base
, instr
->src
[3]);
1143 LLVMValueRef coords
[5];
1144 const struct glsl_type
*type
= glsl_without_array(var
->type
);
1146 memset(¶ms
, 0, sizeof(params
));
1148 switch (instr
->intrinsic
) {
1149 case nir_intrinsic_image_deref_atomic_add
:
1150 params
.op
= LLVMAtomicRMWBinOpAdd
;
1152 case nir_intrinsic_image_deref_atomic_exchange
:
1153 params
.op
= LLVMAtomicRMWBinOpXchg
;
1155 case nir_intrinsic_image_deref_atomic_and
:
1156 params
.op
= LLVMAtomicRMWBinOpAnd
;
1158 case nir_intrinsic_image_deref_atomic_or
:
1159 params
.op
= LLVMAtomicRMWBinOpOr
;
1161 case nir_intrinsic_image_deref_atomic_xor
:
1162 params
.op
= LLVMAtomicRMWBinOpXor
;
1164 case nir_intrinsic_image_deref_atomic_umin
:
1165 params
.op
= LLVMAtomicRMWBinOpUMin
;
1167 case nir_intrinsic_image_deref_atomic_umax
:
1168 params
.op
= LLVMAtomicRMWBinOpUMax
;
1170 case nir_intrinsic_image_deref_atomic_imin
:
1171 params
.op
= LLVMAtomicRMWBinOpMin
;
1173 case nir_intrinsic_image_deref_atomic_imax
:
1174 params
.op
= LLVMAtomicRMWBinOpMax
;
1180 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(type
), glsl_sampler_type_is_array(type
));
1181 for (unsigned i
= 0; i
< 4; i
++)
1182 coords
[i
] = LLVMBuildExtractValue(builder
, coord_val
, i
, "");
1183 if (params
.target
== PIPE_TEXTURE_1D_ARRAY
)
1184 coords
[2] = coords
[1];
1185 params
.coords
= coords
;
1186 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_MS
)
1187 params
.ms_index
= get_src(bld_base
, instr
->src
[2]);
1188 if (instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
) {
1189 LLVMValueRef cas_val
= get_src(bld_base
, instr
->src
[4]);
1190 params
.indata
[0] = in_val
;
1191 params
.indata2
[0] = cas_val
;
1193 params
.indata
[0] = in_val
;
1195 params
.outdata
= result
;
1196 params
.img_op
= (instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
) ? LP_IMG_ATOMIC_CAS
: LP_IMG_ATOMIC
;
1197 params
.image_index
= var
->data
.binding
;
1199 bld_base
->image_op(bld_base
, ¶ms
);
1203 static void visit_image_size(struct lp_build_nir_context
*bld_base
,
1204 nir_intrinsic_instr
*instr
,
1205 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1207 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1208 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1209 struct lp_sampler_size_query_params params
= { 0 };
1210 params
.texture_unit
= var
->data
.binding
;
1211 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(var
->type
), glsl_sampler_type_is_array(var
->type
));
1212 params
.sizes_out
= result
;
1214 bld_base
->image_size(bld_base
, ¶ms
);
1217 static void visit_image_samples(struct lp_build_nir_context
*bld_base
,
1218 nir_intrinsic_instr
*instr
,
1219 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1221 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1222 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1223 struct lp_sampler_size_query_params params
= { 0 };
1224 params
.texture_unit
= var
->data
.binding
;
1225 params
.target
= glsl_sampler_to_pipe(glsl_get_sampler_dim(var
->type
), glsl_sampler_type_is_array(var
->type
));
1226 params
.sizes_out
= result
;
1227 params
.samples_only
= true;
1229 bld_base
->image_size(bld_base
, ¶ms
);
1232 static void visit_shared_load(struct lp_build_nir_context
*bld_base
,
1233 nir_intrinsic_instr
*instr
,
1234 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1236 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[0]);
1237 bld_base
->load_mem(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
1238 NULL
, offset
, result
);
1241 static void visit_shared_store(struct lp_build_nir_context
*bld_base
,
1242 nir_intrinsic_instr
*instr
)
1244 LLVMValueRef val
= get_src(bld_base
, instr
->src
[0]);
1245 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[1]);
1246 int writemask
= instr
->const_index
[1];
1247 int nc
= nir_src_num_components(instr
->src
[0]);
1248 int bitsize
= nir_src_bit_size(instr
->src
[0]);
1249 bld_base
->store_mem(bld_base
, writemask
, nc
, bitsize
, NULL
, offset
, val
);
1252 static void visit_shared_atomic(struct lp_build_nir_context
*bld_base
,
1253 nir_intrinsic_instr
*instr
,
1254 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1256 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[0]);
1257 LLVMValueRef val
= get_src(bld_base
, instr
->src
[1]);
1258 LLVMValueRef val2
= NULL
;
1259 if (instr
->intrinsic
== nir_intrinsic_shared_atomic_comp_swap
)
1260 val2
= get_src(bld_base
, instr
->src
[2]);
1262 bld_base
->atomic_mem(bld_base
, instr
->intrinsic
, NULL
, offset
, val
, val2
, &result
[0]);
1266 static void visit_barrier(struct lp_build_nir_context
*bld_base
)
1268 bld_base
->barrier(bld_base
);
1271 static void visit_discard(struct lp_build_nir_context
*bld_base
,
1272 nir_intrinsic_instr
*instr
)
1274 LLVMValueRef cond
= NULL
;
1275 if (instr
->intrinsic
== nir_intrinsic_discard_if
) {
1276 cond
= get_src(bld_base
, instr
->src
[0]);
1277 cond
= cast_type(bld_base
, cond
, nir_type_int
, 32);
1279 bld_base
->discard(bld_base
, cond
);
1282 static void visit_load_kernel_input(struct lp_build_nir_context
*bld_base
,
1283 nir_intrinsic_instr
*instr
, LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1285 LLVMValueRef offset
= get_src(bld_base
, instr
->src
[0]);
1287 bool offset_is_uniform
= nir_src_is_dynamically_uniform(instr
->src
[0]);
1288 bld_base
->load_kernel_arg(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
1289 nir_src_bit_size(instr
->src
[0]),
1290 offset_is_uniform
, offset
, result
);
1293 static void visit_load_global(struct lp_build_nir_context
*bld_base
,
1294 nir_intrinsic_instr
*instr
, LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1296 LLVMValueRef addr
= get_src(bld_base
, instr
->src
[0]);
1297 bld_base
->load_global(bld_base
, nir_dest_num_components(instr
->dest
), nir_dest_bit_size(instr
->dest
),
1298 nir_src_bit_size(instr
->src
[0]),
1302 static void visit_store_global(struct lp_build_nir_context
*bld_base
,
1303 nir_intrinsic_instr
*instr
)
1305 LLVMValueRef val
= get_src(bld_base
, instr
->src
[0]);
1306 int nc
= nir_src_num_components(instr
->src
[0]);
1307 int bitsize
= nir_src_bit_size(instr
->src
[0]);
1308 LLVMValueRef addr
= get_src(bld_base
, instr
->src
[1]);
1309 int addr_bitsize
= nir_src_bit_size(instr
->src
[1]);
1310 int writemask
= instr
->const_index
[0];
1311 bld_base
->store_global(bld_base
, writemask
, nc
, bitsize
, addr_bitsize
, addr
, val
);
1314 static void visit_global_atomic(struct lp_build_nir_context
*bld_base
,
1315 nir_intrinsic_instr
*instr
,
1316 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1318 LLVMValueRef addr
= get_src(bld_base
, instr
->src
[0]);
1319 LLVMValueRef val
= get_src(bld_base
, instr
->src
[1]);
1320 LLVMValueRef val2
= NULL
;
1321 int addr_bitsize
= nir_src_bit_size(instr
->src
[0]);
1322 if (instr
->intrinsic
== nir_intrinsic_global_atomic_comp_swap
)
1323 val2
= get_src(bld_base
, instr
->src
[2]);
1325 bld_base
->atomic_global(bld_base
, instr
->intrinsic
, addr_bitsize
, addr
, val
, val2
, &result
[0]);
1328 static void visit_interp(struct lp_build_nir_context
*bld_base
,
1329 nir_intrinsic_instr
*instr
,
1330 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
])
1332 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1333 LLVMBuilderRef builder
= gallivm
->builder
;
1334 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
1335 unsigned num_components
= nir_dest_num_components(instr
->dest
);
1336 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
1337 unsigned const_index
;
1338 LLVMValueRef indir_index
;
1339 LLVMValueRef offsets
[2] = { NULL
, NULL
};
1340 get_deref_offset(bld_base
, deref
, false, NULL
, NULL
,
1341 &const_index
, &indir_index
);
1342 bool centroid
= instr
->intrinsic
== nir_intrinsic_interp_deref_at_centroid
;
1343 bool sample
= false;
1344 if (instr
->intrinsic
== nir_intrinsic_interp_deref_at_offset
) {
1345 for (unsigned i
= 0; i
< 2; i
++) {
1346 offsets
[i
] = LLVMBuildExtractValue(builder
, get_src(bld_base
, instr
->src
[1]), i
, "");
1347 offsets
[i
] = cast_type(bld_base
, offsets
[i
], nir_type_float
, 32);
1349 } else if (instr
->intrinsic
== nir_intrinsic_interp_deref_at_sample
) {
1350 offsets
[0] = get_src(bld_base
, instr
->src
[1]);
1351 offsets
[0] = cast_type(bld_base
, offsets
[0], nir_type_int
, 32);
1354 bld_base
->interp_at(bld_base
, num_components
, var
, centroid
, sample
, const_index
, indir_index
, offsets
, result
);
1357 static void visit_intrinsic(struct lp_build_nir_context
*bld_base
,
1358 nir_intrinsic_instr
*instr
)
1360 LLVMValueRef result
[NIR_MAX_VEC_COMPONENTS
] = {0};
1361 switch (instr
->intrinsic
) {
1362 case nir_intrinsic_load_deref
:
1363 visit_load_var(bld_base
, instr
, result
);
1365 case nir_intrinsic_store_deref
:
1366 visit_store_var(bld_base
, instr
);
1368 case nir_intrinsic_load_ubo
:
1369 visit_load_ubo(bld_base
, instr
, result
);
1371 case nir_intrinsic_load_ssbo
:
1372 visit_load_ssbo(bld_base
, instr
, result
);
1374 case nir_intrinsic_store_ssbo
:
1375 visit_store_ssbo(bld_base
, instr
);
1377 case nir_intrinsic_get_buffer_size
:
1378 visit_get_buffer_size(bld_base
, instr
, result
);
1380 case nir_intrinsic_load_vertex_id
:
1381 case nir_intrinsic_load_primitive_id
:
1382 case nir_intrinsic_load_instance_id
:
1383 case nir_intrinsic_load_base_instance
:
1384 case nir_intrinsic_load_base_vertex
:
1385 case nir_intrinsic_load_work_group_id
:
1386 case nir_intrinsic_load_local_invocation_id
:
1387 case nir_intrinsic_load_num_work_groups
:
1388 case nir_intrinsic_load_invocation_id
:
1389 case nir_intrinsic_load_front_face
:
1390 case nir_intrinsic_load_draw_id
:
1391 case nir_intrinsic_load_local_group_size
:
1392 case nir_intrinsic_load_work_dim
:
1393 case nir_intrinsic_load_tess_coord
:
1394 case nir_intrinsic_load_tess_level_outer
:
1395 case nir_intrinsic_load_tess_level_inner
:
1396 case nir_intrinsic_load_patch_vertices_in
:
1397 case nir_intrinsic_load_sample_id
:
1398 case nir_intrinsic_load_sample_pos
:
1399 case nir_intrinsic_load_sample_mask_in
:
1400 bld_base
->sysval_intrin(bld_base
, instr
, result
);
1402 case nir_intrinsic_load_helper_invocation
:
1403 bld_base
->helper_invocation(bld_base
, &result
[0]);
1405 case nir_intrinsic_discard_if
:
1406 case nir_intrinsic_discard
:
1407 visit_discard(bld_base
, instr
);
1409 case nir_intrinsic_emit_vertex
:
1410 bld_base
->emit_vertex(bld_base
, nir_intrinsic_stream_id(instr
));
1412 case nir_intrinsic_end_primitive
:
1413 bld_base
->end_primitive(bld_base
, nir_intrinsic_stream_id(instr
));
1415 case nir_intrinsic_ssbo_atomic_add
:
1416 case nir_intrinsic_ssbo_atomic_imin
:
1417 case nir_intrinsic_ssbo_atomic_imax
:
1418 case nir_intrinsic_ssbo_atomic_umin
:
1419 case nir_intrinsic_ssbo_atomic_umax
:
1420 case nir_intrinsic_ssbo_atomic_and
:
1421 case nir_intrinsic_ssbo_atomic_or
:
1422 case nir_intrinsic_ssbo_atomic_xor
:
1423 case nir_intrinsic_ssbo_atomic_exchange
:
1424 case nir_intrinsic_ssbo_atomic_comp_swap
:
1425 visit_ssbo_atomic(bld_base
, instr
, result
);
1427 case nir_intrinsic_image_deref_load
:
1428 visit_load_image(bld_base
, instr
, result
);
1430 case nir_intrinsic_image_deref_store
:
1431 visit_store_image(bld_base
, instr
);
1433 case nir_intrinsic_image_deref_atomic_add
:
1434 case nir_intrinsic_image_deref_atomic_imin
:
1435 case nir_intrinsic_image_deref_atomic_imax
:
1436 case nir_intrinsic_image_deref_atomic_umin
:
1437 case nir_intrinsic_image_deref_atomic_umax
:
1438 case nir_intrinsic_image_deref_atomic_and
:
1439 case nir_intrinsic_image_deref_atomic_or
:
1440 case nir_intrinsic_image_deref_atomic_xor
:
1441 case nir_intrinsic_image_deref_atomic_exchange
:
1442 case nir_intrinsic_image_deref_atomic_comp_swap
:
1443 visit_atomic_image(bld_base
, instr
, result
);
1445 case nir_intrinsic_image_deref_size
:
1446 visit_image_size(bld_base
, instr
, result
);
1448 case nir_intrinsic_image_deref_samples
:
1449 visit_image_samples(bld_base
, instr
, result
);
1451 case nir_intrinsic_load_shared
:
1452 visit_shared_load(bld_base
, instr
, result
);
1454 case nir_intrinsic_store_shared
:
1455 visit_shared_store(bld_base
, instr
);
1457 case nir_intrinsic_shared_atomic_add
:
1458 case nir_intrinsic_shared_atomic_imin
:
1459 case nir_intrinsic_shared_atomic_umin
:
1460 case nir_intrinsic_shared_atomic_imax
:
1461 case nir_intrinsic_shared_atomic_umax
:
1462 case nir_intrinsic_shared_atomic_and
:
1463 case nir_intrinsic_shared_atomic_or
:
1464 case nir_intrinsic_shared_atomic_xor
:
1465 case nir_intrinsic_shared_atomic_exchange
:
1466 case nir_intrinsic_shared_atomic_comp_swap
:
1467 visit_shared_atomic(bld_base
, instr
, result
);
1469 case nir_intrinsic_control_barrier
:
1470 visit_barrier(bld_base
);
1472 case nir_intrinsic_group_memory_barrier
:
1473 case nir_intrinsic_memory_barrier
:
1474 case nir_intrinsic_memory_barrier_shared
:
1475 case nir_intrinsic_memory_barrier_buffer
:
1476 case nir_intrinsic_memory_barrier_image
:
1477 case nir_intrinsic_memory_barrier_tcs_patch
:
1479 case nir_intrinsic_load_kernel_input
:
1480 visit_load_kernel_input(bld_base
, instr
, result
);
1482 case nir_intrinsic_load_global
:
1483 visit_load_global(bld_base
, instr
, result
);
1485 case nir_intrinsic_store_global
:
1486 visit_store_global(bld_base
, instr
);
1488 case nir_intrinsic_global_atomic_add
:
1489 case nir_intrinsic_global_atomic_imin
:
1490 case nir_intrinsic_global_atomic_umin
:
1491 case nir_intrinsic_global_atomic_imax
:
1492 case nir_intrinsic_global_atomic_umax
:
1493 case nir_intrinsic_global_atomic_and
:
1494 case nir_intrinsic_global_atomic_or
:
1495 case nir_intrinsic_global_atomic_xor
:
1496 case nir_intrinsic_global_atomic_exchange
:
1497 case nir_intrinsic_global_atomic_comp_swap
:
1498 visit_global_atomic(bld_base
, instr
, result
);
1500 case nir_intrinsic_vote_all
:
1501 case nir_intrinsic_vote_any
:
1502 case nir_intrinsic_vote_ieq
:
1503 bld_base
->vote(bld_base
, cast_type(bld_base
, get_src(bld_base
, instr
->src
[0]), nir_type_int
, 32), instr
, result
);
1505 case nir_intrinsic_interp_deref_at_offset
:
1506 case nir_intrinsic_interp_deref_at_centroid
:
1507 case nir_intrinsic_interp_deref_at_sample
:
1508 visit_interp(bld_base
, instr
, result
);
1515 assign_dest(bld_base
, &instr
->dest
, result
);
1519 static void visit_txs(struct lp_build_nir_context
*bld_base
, nir_tex_instr
*instr
)
1521 struct lp_sampler_size_query_params params
= { 0 };
1522 LLVMValueRef sizes_out
[NIR_MAX_VEC_COMPONENTS
];
1523 LLVMValueRef explicit_lod
= NULL
;
1524 LLVMValueRef texture_unit_offset
= NULL
;
1525 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
1526 switch (instr
->src
[i
].src_type
) {
1527 case nir_tex_src_lod
:
1528 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_int
, 32);
1530 case nir_tex_src_texture_offset
:
1531 texture_unit_offset
= get_src(bld_base
, instr
->src
[i
].src
);
1538 params
.target
= glsl_sampler_to_pipe(instr
->sampler_dim
, instr
->is_array
);
1539 params
.texture_unit
= instr
->texture_index
;
1540 params
.explicit_lod
= explicit_lod
;
1541 params
.is_sviewinfo
= TRUE
;
1542 params
.sizes_out
= sizes_out
;
1543 params
.samples_only
= (instr
->op
== nir_texop_texture_samples
);
1544 params
.texture_unit_offset
= texture_unit_offset
;
1546 if (instr
->op
== nir_texop_query_levels
)
1547 params
.explicit_lod
= bld_base
->uint_bld
.zero
;
1548 bld_base
->tex_size(bld_base
, ¶ms
);
1549 assign_dest(bld_base
, &instr
->dest
, &sizes_out
[instr
->op
== nir_texop_query_levels
? 3 : 0]);
1552 static enum lp_sampler_lod_property
lp_build_nir_lod_property(struct lp_build_nir_context
*bld_base
,
1555 enum lp_sampler_lod_property lod_property
;
1557 if (nir_src_is_dynamically_uniform(lod_src
))
1558 lod_property
= LP_SAMPLER_LOD_SCALAR
;
1559 else if (bld_base
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
) {
1560 if (gallivm_perf
& GALLIVM_PERF_NO_QUAD_LOD
)
1561 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1563 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
1566 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1567 return lod_property
;
1570 static void visit_tex(struct lp_build_nir_context
*bld_base
, nir_tex_instr
*instr
)
1572 struct gallivm_state
*gallivm
= bld_base
->base
.gallivm
;
1573 LLVMBuilderRef builder
= gallivm
->builder
;
1574 LLVMValueRef coords
[5];
1575 LLVMValueRef offsets
[3] = { NULL
};
1576 LLVMValueRef explicit_lod
= NULL
, projector
= NULL
, ms_index
= NULL
;
1577 struct lp_sampler_params params
;
1578 struct lp_derivatives derivs
;
1579 unsigned sample_key
= 0;
1580 nir_deref_instr
*texture_deref_instr
= NULL
;
1581 nir_deref_instr
*sampler_deref_instr
= NULL
;
1582 LLVMValueRef texture_unit_offset
= NULL
;
1583 LLVMValueRef texel
[NIR_MAX_VEC_COMPONENTS
];
1584 unsigned lod_src
= 0;
1585 LLVMValueRef coord_undef
= LLVMGetUndef(bld_base
->base
.int_vec_type
);
1587 memset(¶ms
, 0, sizeof(params
));
1588 enum lp_sampler_lod_property lod_property
= LP_SAMPLER_LOD_SCALAR
;
1590 if (instr
->op
== nir_texop_txs
|| instr
->op
== nir_texop_query_levels
|| instr
->op
== nir_texop_texture_samples
) {
1591 visit_txs(bld_base
, instr
);
1594 if (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)
1595 sample_key
|= LP_SAMPLER_OP_FETCH
<< LP_SAMPLER_OP_TYPE_SHIFT
;
1596 else if (instr
->op
== nir_texop_tg4
) {
1597 sample_key
|= LP_SAMPLER_OP_GATHER
<< LP_SAMPLER_OP_TYPE_SHIFT
;
1598 sample_key
|= (instr
->component
<< LP_SAMPLER_GATHER_COMP_SHIFT
);
1599 } else if (instr
->op
== nir_texop_lod
)
1600 sample_key
|= LP_SAMPLER_OP_LODQ
<< LP_SAMPLER_OP_TYPE_SHIFT
;
1601 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
1602 switch (instr
->src
[i
].src_type
) {
1603 case nir_tex_src_coord
: {
1604 LLVMValueRef coord
= get_src(bld_base
, instr
->src
[i
].src
);
1605 if (instr
->coord_components
== 1)
1608 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1609 coords
[chan
] = LLVMBuildExtractValue(builder
, coord
,
1612 for (unsigned chan
= instr
->coord_components
; chan
< 5; chan
++)
1613 coords
[chan
] = coord_undef
;
1617 case nir_tex_src_texture_deref
:
1618 texture_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
1620 case nir_tex_src_sampler_deref
:
1621 sampler_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
1623 case nir_tex_src_projector
:
1624 projector
= lp_build_rcp(&bld_base
->base
, cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_float
, 32));
1626 case nir_tex_src_comparator
:
1627 sample_key
|= LP_SAMPLER_SHADOW
;
1628 coords
[4] = get_src(bld_base
, instr
->src
[i
].src
);
1629 coords
[4] = cast_type(bld_base
, coords
[4], nir_type_float
, 32);
1631 case nir_tex_src_bias
:
1632 sample_key
|= LP_SAMPLER_LOD_BIAS
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
1634 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_float
, 32);
1636 case nir_tex_src_lod
:
1637 sample_key
|= LP_SAMPLER_LOD_EXPLICIT
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
1639 if (instr
->op
== nir_texop_txf
)
1640 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_int
, 32);
1642 explicit_lod
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_float
, 32);
1644 case nir_tex_src_ddx
: {
1645 int deriv_cnt
= instr
->coord_components
;
1646 if (instr
->is_array
)
1648 LLVMValueRef deriv_val
= get_src(bld_base
, instr
->src
[i
].src
);
1650 derivs
.ddx
[0] = deriv_val
;
1652 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1653 derivs
.ddx
[chan
] = LLVMBuildExtractValue(builder
, deriv_val
,
1655 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1656 derivs
.ddx
[chan
] = cast_type(bld_base
, derivs
.ddx
[chan
], nir_type_float
, 32);
1659 case nir_tex_src_ddy
: {
1660 int deriv_cnt
= instr
->coord_components
;
1661 if (instr
->is_array
)
1663 LLVMValueRef deriv_val
= get_src(bld_base
, instr
->src
[i
].src
);
1665 derivs
.ddy
[0] = deriv_val
;
1667 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1668 derivs
.ddy
[chan
] = LLVMBuildExtractValue(builder
, deriv_val
,
1670 for (unsigned chan
= 0; chan
< deriv_cnt
; ++chan
)
1671 derivs
.ddy
[chan
] = cast_type(bld_base
, derivs
.ddy
[chan
], nir_type_float
, 32);
1674 case nir_tex_src_offset
: {
1675 int offset_cnt
= instr
->coord_components
;
1676 if (instr
->is_array
)
1678 LLVMValueRef offset_val
= get_src(bld_base
, instr
->src
[i
].src
);
1679 sample_key
|= LP_SAMPLER_OFFSETS
;
1680 if (offset_cnt
== 1)
1681 offsets
[0] = cast_type(bld_base
, offset_val
, nir_type_int
, 32);
1683 for (unsigned chan
= 0; chan
< offset_cnt
; ++chan
) {
1684 offsets
[chan
] = LLVMBuildExtractValue(builder
, offset_val
,
1686 offsets
[chan
] = cast_type(bld_base
, offsets
[chan
], nir_type_int
, 32);
1691 case nir_tex_src_ms_index
:
1692 sample_key
|= LP_SAMPLER_FETCH_MS
;
1693 ms_index
= cast_type(bld_base
, get_src(bld_base
, instr
->src
[i
].src
), nir_type_int
, 32);
1696 case nir_tex_src_texture_offset
:
1697 texture_unit_offset
= get_src(bld_base
, instr
->src
[i
].src
);
1699 case nir_tex_src_sampler_offset
:
1706 if (!sampler_deref_instr
)
1707 sampler_deref_instr
= texture_deref_instr
;
1710 lod_property
= lp_build_nir_lod_property(bld_base
, instr
->src
[lod_src
].src
);
1712 if (instr
->op
== nir_texop_tex
|| instr
->op
== nir_texop_tg4
|| instr
->op
== nir_texop_txb
||
1713 instr
->op
== nir_texop_txl
|| instr
->op
== nir_texop_txd
|| instr
->op
== nir_texop_lod
)
1714 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1715 coords
[chan
] = cast_type(bld_base
, coords
[chan
], nir_type_float
, 32);
1716 else if (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)
1717 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1718 coords
[chan
] = cast_type(bld_base
, coords
[chan
], nir_type_int
, 32);
1720 if (instr
->is_array
&& instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
) {
1721 /* move layer coord for 1d arrays. */
1722 coords
[2] = coords
[1];
1723 coords
[1] = coord_undef
;
1727 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
1728 coords
[chan
] = lp_build_mul(&bld_base
->base
, coords
[chan
], projector
);
1729 if (sample_key
& LP_SAMPLER_SHADOW
)
1730 coords
[4] = lp_build_mul(&bld_base
->base
, coords
[4], projector
);
1733 uint32_t base_index
= 0;
1734 if (!texture_deref_instr
) {
1735 int samp_src_index
= nir_tex_instr_src_index(instr
, nir_tex_src_sampler_handle
);
1736 if (samp_src_index
== -1) {
1737 base_index
= instr
->sampler_index
;
1741 if (instr
->op
== nir_texop_txd
) {
1742 sample_key
|= LP_SAMPLER_LOD_DERIVATIVES
<< LP_SAMPLER_LOD_CONTROL_SHIFT
;
1743 params
.derivs
= &derivs
;
1744 if (bld_base
->shader
->info
.stage
== MESA_SHADER_FRAGMENT
) {
1745 if (gallivm_perf
& GALLIVM_PERF_NO_QUAD_LOD
)
1746 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1748 lod_property
= LP_SAMPLER_LOD_PER_QUAD
;
1750 lod_property
= LP_SAMPLER_LOD_PER_ELEMENT
;
1753 sample_key
|= lod_property
<< LP_SAMPLER_LOD_PROPERTY_SHIFT
;
1754 params
.sample_key
= sample_key
;
1755 params
.offsets
= offsets
;
1756 params
.texture_index
= base_index
;
1757 params
.texture_index_offset
= texture_unit_offset
;
1758 params
.sampler_index
= base_index
;
1759 params
.coords
= coords
;
1760 params
.texel
= texel
;
1761 params
.lod
= explicit_lod
;
1762 params
.ms_index
= ms_index
;
1763 bld_base
->tex(bld_base
, ¶ms
);
1764 assign_dest(bld_base
, &instr
->dest
, texel
);
1767 static void visit_ssa_undef(struct lp_build_nir_context
*bld_base
,
1768 const nir_ssa_undef_instr
*instr
)
1770 unsigned num_components
= instr
->def
.num_components
;
1771 LLVMValueRef undef
[NIR_MAX_VEC_COMPONENTS
];
1772 struct lp_build_context
*undef_bld
= get_int_bld(bld_base
, true, instr
->def
.bit_size
);
1773 for (unsigned i
= 0; i
< num_components
; i
++)
1774 undef
[i
] = LLVMGetUndef(undef_bld
->vec_type
);
1775 assign_ssa_dest(bld_base
, &instr
->def
, undef
);
1778 static void visit_jump(struct lp_build_nir_context
*bld_base
,
1779 const nir_jump_instr
*instr
)
1781 switch (instr
->type
) {
1782 case nir_jump_break
:
1783 bld_base
->break_stmt(bld_base
);
1785 case nir_jump_continue
:
1786 bld_base
->continue_stmt(bld_base
);
1789 unreachable("Unknown jump instr\n");
1793 static void visit_deref(struct lp_build_nir_context
*bld_base
,
1794 nir_deref_instr
*instr
)
1796 if (instr
->mode
!= nir_var_mem_shared
&&
1797 instr
->mode
!= nir_var_mem_global
)
1799 LLVMValueRef result
= NULL
;
1800 switch(instr
->deref_type
) {
1801 case nir_deref_type_var
: {
1802 struct hash_entry
*entry
= _mesa_hash_table_search(bld_base
->vars
, instr
->var
);
1803 result
= entry
->data
;
1807 unreachable("Unhandled deref_instr deref type");
1810 assign_ssa(bld_base
, instr
->dest
.ssa
.index
, result
);
1813 static void visit_block(struct lp_build_nir_context
*bld_base
, nir_block
*block
)
1815 nir_foreach_instr(instr
, block
)
1817 switch (instr
->type
) {
1818 case nir_instr_type_alu
:
1819 visit_alu(bld_base
, nir_instr_as_alu(instr
));
1821 case nir_instr_type_load_const
:
1822 visit_load_const(bld_base
, nir_instr_as_load_const(instr
));
1824 case nir_instr_type_intrinsic
:
1825 visit_intrinsic(bld_base
, nir_instr_as_intrinsic(instr
));
1827 case nir_instr_type_tex
:
1828 visit_tex(bld_base
, nir_instr_as_tex(instr
));
1830 case nir_instr_type_phi
:
1833 case nir_instr_type_ssa_undef
:
1834 visit_ssa_undef(bld_base
, nir_instr_as_ssa_undef(instr
));
1836 case nir_instr_type_jump
:
1837 visit_jump(bld_base
, nir_instr_as_jump(instr
));
1839 case nir_instr_type_deref
:
1840 visit_deref(bld_base
, nir_instr_as_deref(instr
));
1843 fprintf(stderr
, "Unknown NIR instr type: ");
1844 nir_print_instr(instr
, stderr
);
1845 fprintf(stderr
, "\n");
1851 static void visit_if(struct lp_build_nir_context
*bld_base
, nir_if
*if_stmt
)
1853 LLVMValueRef cond
= get_src(bld_base
, if_stmt
->condition
);
1855 bld_base
->if_cond(bld_base
, cond
);
1856 visit_cf_list(bld_base
, &if_stmt
->then_list
);
1858 if (!exec_list_is_empty(&if_stmt
->else_list
)) {
1859 bld_base
->else_stmt(bld_base
);
1860 visit_cf_list(bld_base
, &if_stmt
->else_list
);
1862 bld_base
->endif_stmt(bld_base
);
1865 static void visit_loop(struct lp_build_nir_context
*bld_base
, nir_loop
*loop
)
1867 bld_base
->bgnloop(bld_base
);
1868 visit_cf_list(bld_base
, &loop
->body
);
1869 bld_base
->endloop(bld_base
);
1872 static void visit_cf_list(struct lp_build_nir_context
*bld_base
,
1873 struct exec_list
*list
)
1875 foreach_list_typed(nir_cf_node
, node
, node
, list
)
1877 switch (node
->type
) {
1878 case nir_cf_node_block
:
1879 visit_block(bld_base
, nir_cf_node_as_block(node
));
1882 case nir_cf_node_if
:
1883 visit_if(bld_base
, nir_cf_node_as_if(node
));
1886 case nir_cf_node_loop
:
1887 visit_loop(bld_base
, nir_cf_node_as_loop(node
));
1897 handle_shader_output_decl(struct lp_build_nir_context
*bld_base
,
1898 struct nir_shader
*nir
,
1899 struct nir_variable
*variable
)
1901 bld_base
->emit_var_decl(bld_base
, variable
);
1904 /* vector registers are stored as arrays in LLVM side,
1905 so we can use GEP on them, as to do exec mask stores
1906 we need to operate on a single components.
1912 static LLVMTypeRef
get_register_type(struct lp_build_nir_context
*bld_base
,
1915 struct lp_build_context
*int_bld
= get_int_bld(bld_base
, true, reg
->bit_size
);
1917 LLVMTypeRef type
= int_bld
->vec_type
;
1918 if (reg
->num_array_elems
)
1919 type
= LLVMArrayType(type
, reg
->num_array_elems
);
1920 if (reg
->num_components
> 1)
1921 type
= LLVMArrayType(type
, reg
->num_components
);
1927 bool lp_build_nir_llvm(
1928 struct lp_build_nir_context
*bld_base
,
1929 struct nir_shader
*nir
)
1931 struct nir_function
*func
;
1933 nir_convert_from_ssa(nir
, true);
1934 nir_lower_locals_to_regs(nir
);
1935 nir_remove_dead_derefs(nir
);
1936 nir_remove_dead_variables(nir
, nir_var_function_temp
, NULL
);
1938 nir_foreach_variable(variable
, &nir
->outputs
)
1939 handle_shader_output_decl(bld_base
, nir
, variable
);
1941 bld_base
->regs
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
1942 _mesa_key_pointer_equal
);
1943 bld_base
->vars
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
1944 _mesa_key_pointer_equal
);
1946 func
= (struct nir_function
*)exec_list_get_head(&nir
->functions
);
1948 nir_foreach_register(reg
, &func
->impl
->registers
) {
1949 LLVMTypeRef type
= get_register_type(bld_base
, reg
);
1950 LLVMValueRef reg_alloc
= lp_build_alloca_undef(bld_base
->base
.gallivm
,
1952 _mesa_hash_table_insert(bld_base
->regs
, reg
, reg_alloc
);
1954 nir_index_ssa_defs(func
->impl
);
1955 bld_base
->ssa_defs
= calloc(func
->impl
->ssa_alloc
, sizeof(LLVMValueRef
));
1956 visit_cf_list(bld_base
, &func
->impl
->body
);
1958 free(bld_base
->ssa_defs
);
1959 ralloc_free(bld_base
->vars
);
1960 ralloc_free(bld_base
->regs
);
1964 /* do some basic opts to remove some things we don't want to see. */
1965 void lp_build_opt_nir(struct nir_shader
*nir
)
1970 NIR_PASS_V(nir
, nir_opt_constant_folding
);
1971 NIR_PASS_V(nir
, nir_opt_algebraic
);
1972 NIR_PASS_V(nir
, nir_lower_pack
);
1974 nir_lower_tex_options options
= { .lower_tex_without_implicit_lod
= true };
1975 NIR_PASS_V(nir
, nir_lower_tex
, &options
);
1977 nir_lower_bool_to_int32(nir
);