2 * Copyright © 2016 Bas Nieuwenhuizen
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #include <llvm/Config/llvm-config.h>
26 #include "ac_nir_to_llvm.h"
27 #include "ac_llvm_build.h"
28 #include "ac_llvm_util.h"
29 #include "ac_binary.h"
32 #include "nir/nir_deref.h"
33 #include "util/bitscan.h"
34 #include "util/u_math.h"
35 #include "ac_shader_abi.h"
36 #include "ac_shader_util.h"
38 struct ac_nir_context
{
39 struct ac_llvm_context ac
;
40 struct ac_shader_abi
*abi
;
42 gl_shader_stage stage
;
45 LLVMValueRef
*ssa_defs
;
48 LLVMValueRef constant_data
;
50 struct hash_table
*defs
;
51 struct hash_table
*phis
;
52 struct hash_table
*vars
;
54 LLVMValueRef main_function
;
55 LLVMBasicBlockRef continue_block
;
56 LLVMBasicBlockRef break_block
;
62 static LLVMValueRef
get_sampler_desc(struct ac_nir_context
*ctx
,
63 nir_deref_instr
*deref_instr
,
64 enum ac_descriptor_type desc_type
,
65 const nir_instr
*instr
,
66 bool image
, bool write
);
69 build_store_values_extended(struct ac_llvm_context
*ac
,
72 unsigned value_stride
,
75 LLVMBuilderRef builder
= ac
->builder
;
78 for (i
= 0; i
< value_count
; i
++) {
79 LLVMValueRef ptr
= values
[i
* value_stride
];
80 LLVMValueRef index
= LLVMConstInt(ac
->i32
, i
, false);
81 LLVMValueRef value
= LLVMBuildExtractElement(builder
, vec
, index
, "");
82 LLVMBuildStore(builder
, value
, ptr
);
86 static enum ac_image_dim
87 get_ac_sampler_dim(const struct ac_llvm_context
*ctx
, enum glsl_sampler_dim dim
,
91 case GLSL_SAMPLER_DIM_1D
:
92 if (ctx
->chip_class
== GFX9
)
93 return is_array
? ac_image_2darray
: ac_image_2d
;
94 return is_array
? ac_image_1darray
: ac_image_1d
;
95 case GLSL_SAMPLER_DIM_2D
:
96 case GLSL_SAMPLER_DIM_RECT
:
97 case GLSL_SAMPLER_DIM_EXTERNAL
:
98 return is_array
? ac_image_2darray
: ac_image_2d
;
99 case GLSL_SAMPLER_DIM_3D
:
101 case GLSL_SAMPLER_DIM_CUBE
:
102 return ac_image_cube
;
103 case GLSL_SAMPLER_DIM_MS
:
104 return is_array
? ac_image_2darraymsaa
: ac_image_2dmsaa
;
105 case GLSL_SAMPLER_DIM_SUBPASS
:
106 return ac_image_2darray
;
107 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
108 return ac_image_2darraymsaa
;
110 unreachable("bad sampler dim");
114 static enum ac_image_dim
115 get_ac_image_dim(const struct ac_llvm_context
*ctx
, enum glsl_sampler_dim sdim
,
118 enum ac_image_dim dim
= get_ac_sampler_dim(ctx
, sdim
, is_array
);
120 /* Match the resource type set in the descriptor. */
121 if (dim
== ac_image_cube
||
122 (ctx
->chip_class
<= GFX8
&& dim
== ac_image_3d
))
123 dim
= ac_image_2darray
;
124 else if (sdim
== GLSL_SAMPLER_DIM_2D
&& !is_array
&& ctx
->chip_class
== GFX9
) {
125 /* When a single layer of a 3D texture is bound, the shader
126 * will refer to a 2D target, but the descriptor has a 3D type.
127 * Since the HW ignores BASE_ARRAY in this case, we need to
128 * send 3 coordinates. This doesn't hurt when the underlying
137 static LLVMTypeRef
get_def_type(struct ac_nir_context
*ctx
,
138 const nir_ssa_def
*def
)
140 LLVMTypeRef type
= LLVMIntTypeInContext(ctx
->ac
.context
, def
->bit_size
);
141 if (def
->num_components
> 1) {
142 type
= LLVMVectorType(type
, def
->num_components
);
147 static LLVMValueRef
get_src(struct ac_nir_context
*nir
, nir_src src
)
150 return nir
->ssa_defs
[src
.ssa
->index
];
154 get_memory_ptr(struct ac_nir_context
*ctx
, nir_src src
)
156 LLVMValueRef ptr
= get_src(ctx
, src
);
157 ptr
= LLVMBuildGEP(ctx
->ac
.builder
, ctx
->ac
.lds
, &ptr
, 1, "");
158 int addr_space
= LLVMGetPointerAddressSpace(LLVMTypeOf(ptr
));
160 return LLVMBuildBitCast(ctx
->ac
.builder
, ptr
,
161 LLVMPointerType(ctx
->ac
.i32
, addr_space
), "");
164 static LLVMBasicBlockRef
get_block(struct ac_nir_context
*nir
,
165 const struct nir_block
*b
)
167 struct hash_entry
*entry
= _mesa_hash_table_search(nir
->defs
, b
);
168 return (LLVMBasicBlockRef
)entry
->data
;
171 static LLVMValueRef
get_alu_src(struct ac_nir_context
*ctx
,
173 unsigned num_components
)
175 LLVMValueRef value
= get_src(ctx
, src
.src
);
176 bool need_swizzle
= false;
179 unsigned src_components
= ac_get_llvm_num_components(value
);
180 for (unsigned i
= 0; i
< num_components
; ++i
) {
181 assert(src
.swizzle
[i
] < src_components
);
182 if (src
.swizzle
[i
] != i
)
186 if (need_swizzle
|| num_components
!= src_components
) {
187 LLVMValueRef masks
[] = {
188 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[0], false),
189 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[1], false),
190 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[2], false),
191 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[3], false)};
193 if (src_components
> 1 && num_components
== 1) {
194 value
= LLVMBuildExtractElement(ctx
->ac
.builder
, value
,
196 } else if (src_components
== 1 && num_components
> 1) {
197 LLVMValueRef values
[] = {value
, value
, value
, value
};
198 value
= ac_build_gather_values(&ctx
->ac
, values
, num_components
);
200 LLVMValueRef swizzle
= LLVMConstVector(masks
, num_components
);
201 value
= LLVMBuildShuffleVector(ctx
->ac
.builder
, value
, value
,
210 static LLVMValueRef
emit_int_cmp(struct ac_llvm_context
*ctx
,
211 LLVMIntPredicate pred
, LLVMValueRef src0
,
214 LLVMValueRef result
= LLVMBuildICmp(ctx
->builder
, pred
, src0
, src1
, "");
215 return LLVMBuildSelect(ctx
->builder
, result
,
216 LLVMConstInt(ctx
->i32
, 0xFFFFFFFF, false),
220 static LLVMValueRef
emit_float_cmp(struct ac_llvm_context
*ctx
,
221 LLVMRealPredicate pred
, LLVMValueRef src0
,
225 src0
= ac_to_float(ctx
, src0
);
226 src1
= ac_to_float(ctx
, src1
);
227 result
= LLVMBuildFCmp(ctx
->builder
, pred
, src0
, src1
, "");
228 return LLVMBuildSelect(ctx
->builder
, result
,
229 LLVMConstInt(ctx
->i32
, 0xFFFFFFFF, false),
233 static LLVMValueRef
emit_intrin_1f_param(struct ac_llvm_context
*ctx
,
235 LLVMTypeRef result_type
,
239 LLVMValueRef params
[] = {
240 ac_to_float(ctx
, src0
),
243 ASSERTED
const int length
= snprintf(name
, sizeof(name
), "%s.f%d", intrin
,
244 ac_get_elem_bits(ctx
, result_type
));
245 assert(length
< sizeof(name
));
246 return ac_build_intrinsic(ctx
, name
, result_type
, params
, 1, AC_FUNC_ATTR_READNONE
);
249 static LLVMValueRef
emit_intrin_2f_param(struct ac_llvm_context
*ctx
,
251 LLVMTypeRef result_type
,
252 LLVMValueRef src0
, LLVMValueRef src1
)
255 LLVMValueRef params
[] = {
256 ac_to_float(ctx
, src0
),
257 ac_to_float(ctx
, src1
),
260 ASSERTED
const int length
= snprintf(name
, sizeof(name
), "%s.f%d", intrin
,
261 ac_get_elem_bits(ctx
, result_type
));
262 assert(length
< sizeof(name
));
263 return ac_build_intrinsic(ctx
, name
, result_type
, params
, 2, AC_FUNC_ATTR_READNONE
);
266 static LLVMValueRef
emit_intrin_3f_param(struct ac_llvm_context
*ctx
,
268 LLVMTypeRef result_type
,
269 LLVMValueRef src0
, LLVMValueRef src1
, LLVMValueRef src2
)
272 LLVMValueRef params
[] = {
273 ac_to_float(ctx
, src0
),
274 ac_to_float(ctx
, src1
),
275 ac_to_float(ctx
, src2
),
278 ASSERTED
const int length
= snprintf(name
, sizeof(name
), "%s.f%d", intrin
,
279 ac_get_elem_bits(ctx
, result_type
));
280 assert(length
< sizeof(name
));
281 return ac_build_intrinsic(ctx
, name
, result_type
, params
, 3, AC_FUNC_ATTR_READNONE
);
284 static LLVMValueRef
emit_bcsel(struct ac_llvm_context
*ctx
,
285 LLVMValueRef src0
, LLVMValueRef src1
, LLVMValueRef src2
)
287 assert(LLVMGetTypeKind(LLVMTypeOf(src0
)) != LLVMVectorTypeKind
);
289 LLVMValueRef v
= LLVMBuildICmp(ctx
->builder
, LLVMIntNE
, src0
,
291 return LLVMBuildSelect(ctx
->builder
, v
,
292 ac_to_integer_or_pointer(ctx
, src1
),
293 ac_to_integer_or_pointer(ctx
, src2
), "");
296 static LLVMValueRef
emit_iabs(struct ac_llvm_context
*ctx
,
299 return ac_build_imax(ctx
, src0
, LLVMBuildNeg(ctx
->builder
, src0
, ""));
302 static LLVMValueRef
emit_uint_carry(struct ac_llvm_context
*ctx
,
304 LLVMValueRef src0
, LLVMValueRef src1
)
306 LLVMTypeRef ret_type
;
307 LLVMTypeRef types
[] = { ctx
->i32
, ctx
->i1
};
309 LLVMValueRef params
[] = { src0
, src1
};
310 ret_type
= LLVMStructTypeInContext(ctx
->context
, types
,
313 res
= ac_build_intrinsic(ctx
, intrin
, ret_type
,
314 params
, 2, AC_FUNC_ATTR_READNONE
);
316 res
= LLVMBuildExtractValue(ctx
->builder
, res
, 1, "");
317 res
= LLVMBuildZExt(ctx
->builder
, res
, ctx
->i32
, "");
321 static LLVMValueRef
emit_b2f(struct ac_llvm_context
*ctx
,
325 LLVMValueRef result
= LLVMBuildAnd(ctx
->builder
, src0
,
326 LLVMBuildBitCast(ctx
->builder
, LLVMConstReal(ctx
->f32
, 1.0), ctx
->i32
, ""),
328 result
= LLVMBuildBitCast(ctx
->builder
, result
, ctx
->f32
, "");
332 return LLVMBuildFPTrunc(ctx
->builder
, result
, ctx
->f16
, "");
336 return LLVMBuildFPExt(ctx
->builder
, result
, ctx
->f64
, "");
338 unreachable("Unsupported bit size.");
342 static LLVMValueRef
emit_f2b(struct ac_llvm_context
*ctx
,
345 src0
= ac_to_float(ctx
, src0
);
346 LLVMValueRef zero
= LLVMConstNull(LLVMTypeOf(src0
));
347 return LLVMBuildSExt(ctx
->builder
,
348 LLVMBuildFCmp(ctx
->builder
, LLVMRealUNE
, src0
, zero
, ""),
352 static LLVMValueRef
emit_b2i(struct ac_llvm_context
*ctx
,
356 LLVMValueRef result
= LLVMBuildAnd(ctx
->builder
, src0
, ctx
->i32_1
, "");
360 return LLVMBuildTrunc(ctx
->builder
, result
, ctx
->i8
, "");
362 return LLVMBuildTrunc(ctx
->builder
, result
, ctx
->i16
, "");
366 return LLVMBuildZExt(ctx
->builder
, result
, ctx
->i64
, "");
368 unreachable("Unsupported bit size.");
372 static LLVMValueRef
emit_i2b(struct ac_llvm_context
*ctx
,
375 LLVMValueRef zero
= LLVMConstNull(LLVMTypeOf(src0
));
376 return LLVMBuildSExt(ctx
->builder
,
377 LLVMBuildICmp(ctx
->builder
, LLVMIntNE
, src0
, zero
, ""),
381 static LLVMValueRef
emit_f2f16(struct ac_llvm_context
*ctx
,
385 LLVMValueRef cond
= NULL
;
387 src0
= ac_to_float(ctx
, src0
);
388 result
= LLVMBuildFPTrunc(ctx
->builder
, src0
, ctx
->f16
, "");
390 if (ctx
->chip_class
>= GFX8
) {
391 LLVMValueRef args
[2];
392 /* Check if the result is a denormal - and flush to 0 if so. */
394 args
[1] = LLVMConstInt(ctx
->i32
, N_SUBNORMAL
| P_SUBNORMAL
, false);
395 cond
= ac_build_intrinsic(ctx
, "llvm.amdgcn.class.f16", ctx
->i1
, args
, 2, AC_FUNC_ATTR_READNONE
);
398 /* need to convert back up to f32 */
399 result
= LLVMBuildFPExt(ctx
->builder
, result
, ctx
->f32
, "");
401 if (ctx
->chip_class
>= GFX8
)
402 result
= LLVMBuildSelect(ctx
->builder
, cond
, ctx
->f32_0
, result
, "");
405 /* 0x38800000 is smallest half float value (2^-14) in 32-bit float,
406 * so compare the result and flush to 0 if it's smaller.
408 LLVMValueRef temp
, cond2
;
409 temp
= emit_intrin_1f_param(ctx
, "llvm.fabs", ctx
->f32
, result
);
410 cond
= LLVMBuildFCmp(ctx
->builder
, LLVMRealUGT
,
411 LLVMBuildBitCast(ctx
->builder
, LLVMConstInt(ctx
->i32
, 0x38800000, false), ctx
->f32
, ""),
413 cond2
= LLVMBuildFCmp(ctx
->builder
, LLVMRealUNE
,
414 temp
, ctx
->f32_0
, "");
415 cond
= LLVMBuildAnd(ctx
->builder
, cond
, cond2
, "");
416 result
= LLVMBuildSelect(ctx
->builder
, cond
, ctx
->f32_0
, result
, "");
421 static LLVMValueRef
emit_umul_high(struct ac_llvm_context
*ctx
,
422 LLVMValueRef src0
, LLVMValueRef src1
)
424 LLVMValueRef dst64
, result
;
425 src0
= LLVMBuildZExt(ctx
->builder
, src0
, ctx
->i64
, "");
426 src1
= LLVMBuildZExt(ctx
->builder
, src1
, ctx
->i64
, "");
428 dst64
= LLVMBuildMul(ctx
->builder
, src0
, src1
, "");
429 dst64
= LLVMBuildLShr(ctx
->builder
, dst64
, LLVMConstInt(ctx
->i64
, 32, false), "");
430 result
= LLVMBuildTrunc(ctx
->builder
, dst64
, ctx
->i32
, "");
434 static LLVMValueRef
emit_imul_high(struct ac_llvm_context
*ctx
,
435 LLVMValueRef src0
, LLVMValueRef src1
)
437 LLVMValueRef dst64
, result
;
438 src0
= LLVMBuildSExt(ctx
->builder
, src0
, ctx
->i64
, "");
439 src1
= LLVMBuildSExt(ctx
->builder
, src1
, ctx
->i64
, "");
441 dst64
= LLVMBuildMul(ctx
->builder
, src0
, src1
, "");
442 dst64
= LLVMBuildAShr(ctx
->builder
, dst64
, LLVMConstInt(ctx
->i64
, 32, false), "");
443 result
= LLVMBuildTrunc(ctx
->builder
, dst64
, ctx
->i32
, "");
447 static LLVMValueRef
emit_bfm(struct ac_llvm_context
*ctx
,
448 LLVMValueRef bits
, LLVMValueRef offset
)
450 /* mask = ((1 << bits) - 1) << offset */
451 return LLVMBuildShl(ctx
->builder
,
452 LLVMBuildSub(ctx
->builder
,
453 LLVMBuildShl(ctx
->builder
,
460 static LLVMValueRef
emit_bitfield_select(struct ac_llvm_context
*ctx
,
461 LLVMValueRef mask
, LLVMValueRef insert
,
465 * (mask & insert) | (~mask & base) = base ^ (mask & (insert ^ base))
466 * Use the right-hand side, which the LLVM backend can convert to V_BFI.
468 return LLVMBuildXor(ctx
->builder
, base
,
469 LLVMBuildAnd(ctx
->builder
, mask
,
470 LLVMBuildXor(ctx
->builder
, insert
, base
, ""), ""), "");
473 static LLVMValueRef
emit_pack_2x16(struct ac_llvm_context
*ctx
,
475 LLVMValueRef (*pack
)(struct ac_llvm_context
*ctx
,
476 LLVMValueRef args
[2]))
478 LLVMValueRef comp
[2];
480 src0
= ac_to_float(ctx
, src0
);
481 comp
[0] = LLVMBuildExtractElement(ctx
->builder
, src0
, ctx
->i32_0
, "");
482 comp
[1] = LLVMBuildExtractElement(ctx
->builder
, src0
, ctx
->i32_1
, "");
484 return LLVMBuildBitCast(ctx
->builder
, pack(ctx
, comp
), ctx
->i32
, "");
487 static LLVMValueRef
emit_unpack_half_2x16(struct ac_llvm_context
*ctx
,
490 LLVMValueRef const16
= LLVMConstInt(ctx
->i32
, 16, false);
491 LLVMValueRef temps
[2], val
;
494 for (i
= 0; i
< 2; i
++) {
495 val
= i
== 1 ? LLVMBuildLShr(ctx
->builder
, src0
, const16
, "") : src0
;
496 val
= LLVMBuildTrunc(ctx
->builder
, val
, ctx
->i16
, "");
497 val
= LLVMBuildBitCast(ctx
->builder
, val
, ctx
->f16
, "");
498 temps
[i
] = LLVMBuildFPExt(ctx
->builder
, val
, ctx
->f32
, "");
500 return ac_build_gather_values(ctx
, temps
, 2);
503 static LLVMValueRef
emit_ddxy(struct ac_nir_context
*ctx
,
511 if (op
== nir_op_fddx_fine
)
512 mask
= AC_TID_MASK_LEFT
;
513 else if (op
== nir_op_fddy_fine
)
514 mask
= AC_TID_MASK_TOP
;
516 mask
= AC_TID_MASK_TOP_LEFT
;
518 /* for DDX we want to next X pixel, DDY next Y pixel. */
519 if (op
== nir_op_fddx_fine
||
520 op
== nir_op_fddx_coarse
||
526 result
= ac_build_ddxy(&ctx
->ac
, mask
, idx
, src0
);
530 static void visit_alu(struct ac_nir_context
*ctx
, const nir_alu_instr
*instr
)
532 LLVMValueRef src
[4], result
= NULL
;
533 unsigned num_components
= instr
->dest
.dest
.ssa
.num_components
;
534 unsigned src_components
;
535 LLVMTypeRef def_type
= get_def_type(ctx
, &instr
->dest
.dest
.ssa
);
537 assert(nir_op_infos
[instr
->op
].num_inputs
<= ARRAY_SIZE(src
));
544 case nir_op_pack_half_2x16
:
545 case nir_op_pack_snorm_2x16
:
546 case nir_op_pack_unorm_2x16
:
549 case nir_op_unpack_half_2x16
:
552 case nir_op_cube_face_coord
:
553 case nir_op_cube_face_index
:
557 src_components
= num_components
;
560 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++)
561 src
[i
] = get_alu_src(ctx
, instr
->src
[i
], src_components
);
568 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
569 result
= LLVMBuildFNeg(ctx
->ac
.builder
, src
[0], "");
572 result
= LLVMBuildNeg(ctx
->ac
.builder
, src
[0], "");
575 result
= LLVMBuildNot(ctx
->ac
.builder
, src
[0], "");
578 result
= LLVMBuildAdd(ctx
->ac
.builder
, src
[0], src
[1], "");
581 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
582 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
583 result
= LLVMBuildFAdd(ctx
->ac
.builder
, src
[0], src
[1], "");
586 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
587 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
588 result
= LLVMBuildFSub(ctx
->ac
.builder
, src
[0], src
[1], "");
591 result
= LLVMBuildSub(ctx
->ac
.builder
, src
[0], src
[1], "");
594 result
= LLVMBuildMul(ctx
->ac
.builder
, src
[0], src
[1], "");
597 result
= LLVMBuildSRem(ctx
->ac
.builder
, src
[0], src
[1], "");
600 result
= LLVMBuildURem(ctx
->ac
.builder
, src
[0], src
[1], "");
603 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
604 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
605 result
= ac_build_fdiv(&ctx
->ac
, src
[0], src
[1]);
606 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.floor",
607 ac_to_float_type(&ctx
->ac
, def_type
), result
);
608 result
= LLVMBuildFMul(ctx
->ac
.builder
, src
[1] , result
, "");
609 result
= LLVMBuildFSub(ctx
->ac
.builder
, src
[0], result
, "");
612 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
613 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
614 result
= LLVMBuildFRem(ctx
->ac
.builder
, src
[0], src
[1], "");
617 result
= LLVMBuildSRem(ctx
->ac
.builder
, src
[0], src
[1], "");
620 result
= LLVMBuildSDiv(ctx
->ac
.builder
, src
[0], src
[1], "");
623 result
= LLVMBuildUDiv(ctx
->ac
.builder
, src
[0], src
[1], "");
626 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
627 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
628 result
= LLVMBuildFMul(ctx
->ac
.builder
, src
[0], src
[1], "");
631 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
632 result
= ac_build_fdiv(&ctx
->ac
, LLVMConstReal(LLVMTypeOf(src
[0]), 1.0), src
[0]);
635 result
= LLVMBuildAnd(ctx
->ac
.builder
, src
[0], src
[1], "");
638 result
= LLVMBuildOr(ctx
->ac
.builder
, src
[0], src
[1], "");
641 result
= LLVMBuildXor(ctx
->ac
.builder
, src
[0], src
[1], "");
644 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[1])) < ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])))
645 src
[1] = LLVMBuildZExt(ctx
->ac
.builder
, src
[1],
646 LLVMTypeOf(src
[0]), "");
647 else if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[1])) > ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])))
648 src
[1] = LLVMBuildTrunc(ctx
->ac
.builder
, src
[1],
649 LLVMTypeOf(src
[0]), "");
650 result
= LLVMBuildShl(ctx
->ac
.builder
, src
[0], src
[1], "");
653 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[1])) < ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])))
654 src
[1] = LLVMBuildZExt(ctx
->ac
.builder
, src
[1],
655 LLVMTypeOf(src
[0]), "");
656 else if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[1])) > ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])))
657 src
[1] = LLVMBuildTrunc(ctx
->ac
.builder
, src
[1],
658 LLVMTypeOf(src
[0]), "");
659 result
= LLVMBuildAShr(ctx
->ac
.builder
, src
[0], src
[1], "");
662 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[1])) < ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])))
663 src
[1] = LLVMBuildZExt(ctx
->ac
.builder
, src
[1],
664 LLVMTypeOf(src
[0]), "");
665 else if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[1])) > ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])))
666 src
[1] = LLVMBuildTrunc(ctx
->ac
.builder
, src
[1],
667 LLVMTypeOf(src
[0]), "");
668 result
= LLVMBuildLShr(ctx
->ac
.builder
, src
[0], src
[1], "");
671 result
= emit_int_cmp(&ctx
->ac
, LLVMIntSLT
, src
[0], src
[1]);
674 result
= emit_int_cmp(&ctx
->ac
, LLVMIntNE
, src
[0], src
[1]);
677 result
= emit_int_cmp(&ctx
->ac
, LLVMIntEQ
, src
[0], src
[1]);
680 result
= emit_int_cmp(&ctx
->ac
, LLVMIntSGE
, src
[0], src
[1]);
683 result
= emit_int_cmp(&ctx
->ac
, LLVMIntULT
, src
[0], src
[1]);
686 result
= emit_int_cmp(&ctx
->ac
, LLVMIntUGE
, src
[0], src
[1]);
689 result
= emit_float_cmp(&ctx
->ac
, LLVMRealOEQ
, src
[0], src
[1]);
692 result
= emit_float_cmp(&ctx
->ac
, LLVMRealUNE
, src
[0], src
[1]);
695 result
= emit_float_cmp(&ctx
->ac
, LLVMRealOLT
, src
[0], src
[1]);
698 result
= emit_float_cmp(&ctx
->ac
, LLVMRealOGE
, src
[0], src
[1]);
701 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.fabs",
702 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
705 result
= emit_iabs(&ctx
->ac
, src
[0]);
708 result
= ac_build_imax(&ctx
->ac
, src
[0], src
[1]);
711 result
= ac_build_imin(&ctx
->ac
, src
[0], src
[1]);
714 result
= ac_build_umax(&ctx
->ac
, src
[0], src
[1]);
717 result
= ac_build_umin(&ctx
->ac
, src
[0], src
[1]);
720 result
= ac_build_isign(&ctx
->ac
, src
[0],
721 instr
->dest
.dest
.ssa
.bit_size
);
724 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
725 result
= ac_build_fsign(&ctx
->ac
, src
[0],
726 instr
->dest
.dest
.ssa
.bit_size
);
729 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.floor",
730 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
733 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.trunc",
734 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
737 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.ceil",
738 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
740 case nir_op_fround_even
:
741 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.rint",
742 ac_to_float_type(&ctx
->ac
, def_type
),src
[0]);
745 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
746 result
= ac_build_fract(&ctx
->ac
, src
[0],
747 instr
->dest
.dest
.ssa
.bit_size
);
750 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.sin",
751 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
754 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.cos",
755 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
758 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.sqrt",
759 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
762 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.exp2",
763 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
766 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.log2",
767 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
770 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.sqrt",
771 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
772 result
= ac_build_fdiv(&ctx
->ac
, LLVMConstReal(LLVMTypeOf(result
), 1.0), result
);
774 case nir_op_frexp_exp
:
775 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
776 result
= ac_build_frexp_exp(&ctx
->ac
, src
[0],
777 ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])));
778 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) == 16)
779 result
= LLVMBuildSExt(ctx
->ac
.builder
, result
,
782 case nir_op_frexp_sig
:
783 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
784 result
= ac_build_frexp_mant(&ctx
->ac
, src
[0],
785 instr
->dest
.dest
.ssa
.bit_size
);
788 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.pow",
789 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
792 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.maxnum",
793 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
794 if (ctx
->ac
.chip_class
< GFX9
&&
795 instr
->dest
.dest
.ssa
.bit_size
== 32) {
796 /* Only pre-GFX9 chips do not flush denorms. */
797 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.canonicalize",
798 ac_to_float_type(&ctx
->ac
, def_type
),
803 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.minnum",
804 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
805 if (ctx
->ac
.chip_class
< GFX9
&&
806 instr
->dest
.dest
.ssa
.bit_size
== 32) {
807 /* Only pre-GFX9 chips do not flush denorms. */
808 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.canonicalize",
809 ac_to_float_type(&ctx
->ac
, def_type
),
814 /* FMA is better on GFX10, because it has FMA units instead of MUL-ADD units. */
815 result
= emit_intrin_3f_param(&ctx
->ac
, ctx
->ac
.chip_class
>= GFX10
? "llvm.fma" : "llvm.fmuladd",
816 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1], src
[2]);
819 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
820 if (ac_get_elem_bits(&ctx
->ac
, def_type
) == 32)
821 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.ldexp.f32", ctx
->ac
.f32
, src
, 2, AC_FUNC_ATTR_READNONE
);
822 else if (ac_get_elem_bits(&ctx
->ac
, def_type
) == 16)
823 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.ldexp.f16", ctx
->ac
.f16
, src
, 2, AC_FUNC_ATTR_READNONE
);
825 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.ldexp.f64", ctx
->ac
.f64
, src
, 2, AC_FUNC_ATTR_READNONE
);
828 result
= emit_bfm(&ctx
->ac
, src
[0], src
[1]);
830 case nir_op_bitfield_select
:
831 result
= emit_bitfield_select(&ctx
->ac
, src
[0], src
[1], src
[2]);
834 result
= ac_build_bfe(&ctx
->ac
, src
[0], src
[1], src
[2], false);
837 result
= ac_build_bfe(&ctx
->ac
, src
[0], src
[1], src
[2], true);
839 case nir_op_bitfield_reverse
:
840 result
= ac_build_bitfield_reverse(&ctx
->ac
, src
[0]);
842 case nir_op_bit_count
:
843 result
= ac_build_bit_count(&ctx
->ac
, src
[0]);
848 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++)
849 src
[i
] = ac_to_integer(&ctx
->ac
, src
[i
]);
850 result
= ac_build_gather_values(&ctx
->ac
, src
, num_components
);
856 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
857 result
= LLVMBuildFPToSI(ctx
->ac
.builder
, src
[0], def_type
, "");
863 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
864 result
= LLVMBuildFPToUI(ctx
->ac
.builder
, src
[0], def_type
, "");
869 result
= LLVMBuildSIToFP(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
874 result
= LLVMBuildUIToFP(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
876 case nir_op_f2f16_rtz
:
877 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
878 if (LLVMTypeOf(src
[0]) == ctx
->ac
.f64
)
879 src
[0] = LLVMBuildFPTrunc(ctx
->ac
.builder
, src
[0], ctx
->ac
.f32
, "");
880 LLVMValueRef param
[2] = { src
[0], ctx
->ac
.f32_0
};
881 result
= ac_build_cvt_pkrtz_f16(&ctx
->ac
, param
);
882 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, ctx
->ac
.i32_0
, "");
884 case nir_op_f2f16_rtne
:
888 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
889 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) < ac_get_elem_bits(&ctx
->ac
, def_type
))
890 result
= LLVMBuildFPExt(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
892 result
= LLVMBuildFPTrunc(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
898 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) < ac_get_elem_bits(&ctx
->ac
, def_type
))
899 result
= LLVMBuildZExt(ctx
->ac
.builder
, src
[0], def_type
, "");
901 result
= LLVMBuildTrunc(ctx
->ac
.builder
, src
[0], def_type
, "");
907 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) < ac_get_elem_bits(&ctx
->ac
, def_type
))
908 result
= LLVMBuildSExt(ctx
->ac
.builder
, src
[0], def_type
, "");
910 result
= LLVMBuildTrunc(ctx
->ac
.builder
, src
[0], def_type
, "");
913 result
= emit_bcsel(&ctx
->ac
, src
[0], src
[1], src
[2]);
915 case nir_op_find_lsb
:
916 result
= ac_find_lsb(&ctx
->ac
, ctx
->ac
.i32
, src
[0]);
918 case nir_op_ufind_msb
:
919 result
= ac_build_umsb(&ctx
->ac
, src
[0], ctx
->ac
.i32
);
921 case nir_op_ifind_msb
:
922 result
= ac_build_imsb(&ctx
->ac
, src
[0], ctx
->ac
.i32
);
924 case nir_op_uadd_carry
:
925 result
= emit_uint_carry(&ctx
->ac
, "llvm.uadd.with.overflow.i32", src
[0], src
[1]);
927 case nir_op_usub_borrow
:
928 result
= emit_uint_carry(&ctx
->ac
, "llvm.usub.with.overflow.i32", src
[0], src
[1]);
933 result
= emit_b2f(&ctx
->ac
, src
[0], instr
->dest
.dest
.ssa
.bit_size
);
936 result
= emit_f2b(&ctx
->ac
, src
[0]);
942 result
= emit_b2i(&ctx
->ac
, src
[0], instr
->dest
.dest
.ssa
.bit_size
);
945 result
= emit_i2b(&ctx
->ac
, src
[0]);
947 case nir_op_fquantize2f16
:
948 result
= emit_f2f16(&ctx
->ac
, src
[0]);
950 case nir_op_umul_high
:
951 result
= emit_umul_high(&ctx
->ac
, src
[0], src
[1]);
953 case nir_op_imul_high
:
954 result
= emit_imul_high(&ctx
->ac
, src
[0], src
[1]);
956 case nir_op_pack_half_2x16
:
957 result
= emit_pack_2x16(&ctx
->ac
, src
[0], ac_build_cvt_pkrtz_f16
);
959 case nir_op_pack_snorm_2x16
:
960 result
= emit_pack_2x16(&ctx
->ac
, src
[0], ac_build_cvt_pknorm_i16
);
962 case nir_op_pack_unorm_2x16
:
963 result
= emit_pack_2x16(&ctx
->ac
, src
[0], ac_build_cvt_pknorm_u16
);
965 case nir_op_unpack_half_2x16
:
966 result
= emit_unpack_half_2x16(&ctx
->ac
, src
[0]);
970 case nir_op_fddx_fine
:
971 case nir_op_fddy_fine
:
972 case nir_op_fddx_coarse
:
973 case nir_op_fddy_coarse
:
974 result
= emit_ddxy(ctx
, instr
->op
, src
[0]);
977 case nir_op_unpack_64_2x32_split_x
: {
978 assert(ac_get_llvm_num_components(src
[0]) == 1);
979 LLVMValueRef tmp
= LLVMBuildBitCast(ctx
->ac
.builder
, src
[0],
982 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, tmp
,
987 case nir_op_unpack_64_2x32_split_y
: {
988 assert(ac_get_llvm_num_components(src
[0]) == 1);
989 LLVMValueRef tmp
= LLVMBuildBitCast(ctx
->ac
.builder
, src
[0],
992 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, tmp
,
997 case nir_op_pack_64_2x32_split
: {
998 LLVMValueRef tmp
= ac_build_gather_values(&ctx
->ac
, src
, 2);
999 result
= LLVMBuildBitCast(ctx
->ac
.builder
, tmp
, ctx
->ac
.i64
, "");
1003 case nir_op_pack_32_2x16_split
: {
1004 LLVMValueRef tmp
= ac_build_gather_values(&ctx
->ac
, src
, 2);
1005 result
= LLVMBuildBitCast(ctx
->ac
.builder
, tmp
, ctx
->ac
.i32
, "");
1009 case nir_op_unpack_32_2x16_split_x
: {
1010 LLVMValueRef tmp
= LLVMBuildBitCast(ctx
->ac
.builder
, src
[0],
1013 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, tmp
,
1018 case nir_op_unpack_32_2x16_split_y
: {
1019 LLVMValueRef tmp
= LLVMBuildBitCast(ctx
->ac
.builder
, src
[0],
1022 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, tmp
,
1027 case nir_op_cube_face_coord
: {
1028 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1029 LLVMValueRef results
[2];
1031 for (unsigned chan
= 0; chan
< 3; chan
++)
1032 in
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, src
[0], chan
);
1033 results
[0] = ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.cubesc",
1034 ctx
->ac
.f32
, in
, 3, AC_FUNC_ATTR_READNONE
);
1035 results
[1] = ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.cubetc",
1036 ctx
->ac
.f32
, in
, 3, AC_FUNC_ATTR_READNONE
);
1037 LLVMValueRef ma
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.cubema",
1038 ctx
->ac
.f32
, in
, 3, AC_FUNC_ATTR_READNONE
);
1039 results
[0] = ac_build_fdiv(&ctx
->ac
, results
[0], ma
);
1040 results
[1] = ac_build_fdiv(&ctx
->ac
, results
[1], ma
);
1041 LLVMValueRef offset
= LLVMConstReal(ctx
->ac
.f32
, 0.5);
1042 results
[0] = LLVMBuildFAdd(ctx
->ac
.builder
, results
[0], offset
, "");
1043 results
[1] = LLVMBuildFAdd(ctx
->ac
.builder
, results
[1], offset
, "");
1044 result
= ac_build_gather_values(&ctx
->ac
, results
, 2);
1048 case nir_op_cube_face_index
: {
1049 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1051 for (unsigned chan
= 0; chan
< 3; chan
++)
1052 in
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, src
[0], chan
);
1053 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.cubeid",
1054 ctx
->ac
.f32
, in
, 3, AC_FUNC_ATTR_READNONE
);
1059 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.minnum",
1060 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
1061 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.minnum",
1062 ac_to_float_type(&ctx
->ac
, def_type
), result
, src
[2]);
1065 result
= ac_build_umin(&ctx
->ac
, src
[0], src
[1]);
1066 result
= ac_build_umin(&ctx
->ac
, result
, src
[2]);
1069 result
= ac_build_imin(&ctx
->ac
, src
[0], src
[1]);
1070 result
= ac_build_imin(&ctx
->ac
, result
, src
[2]);
1073 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.maxnum",
1074 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
1075 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.maxnum",
1076 ac_to_float_type(&ctx
->ac
, def_type
), result
, src
[2]);
1079 result
= ac_build_umax(&ctx
->ac
, src
[0], src
[1]);
1080 result
= ac_build_umax(&ctx
->ac
, result
, src
[2]);
1083 result
= ac_build_imax(&ctx
->ac
, src
[0], src
[1]);
1084 result
= ac_build_imax(&ctx
->ac
, result
, src
[2]);
1086 case nir_op_fmed3
: {
1087 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1088 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
1089 src
[2] = ac_to_float(&ctx
->ac
, src
[2]);
1090 result
= ac_build_fmed3(&ctx
->ac
, src
[0], src
[1], src
[2],
1091 instr
->dest
.dest
.ssa
.bit_size
);
1094 case nir_op_imed3
: {
1095 LLVMValueRef tmp1
= ac_build_imin(&ctx
->ac
, src
[0], src
[1]);
1096 LLVMValueRef tmp2
= ac_build_imax(&ctx
->ac
, src
[0], src
[1]);
1097 tmp2
= ac_build_imin(&ctx
->ac
, tmp2
, src
[2]);
1098 result
= ac_build_imax(&ctx
->ac
, tmp1
, tmp2
);
1101 case nir_op_umed3
: {
1102 LLVMValueRef tmp1
= ac_build_umin(&ctx
->ac
, src
[0], src
[1]);
1103 LLVMValueRef tmp2
= ac_build_umax(&ctx
->ac
, src
[0], src
[1]);
1104 tmp2
= ac_build_umin(&ctx
->ac
, tmp2
, src
[2]);
1105 result
= ac_build_umax(&ctx
->ac
, tmp1
, tmp2
);
1110 fprintf(stderr
, "Unknown NIR alu instr: ");
1111 nir_print_instr(&instr
->instr
, stderr
);
1112 fprintf(stderr
, "\n");
1117 assert(instr
->dest
.dest
.is_ssa
);
1118 result
= ac_to_integer_or_pointer(&ctx
->ac
, result
);
1119 ctx
->ssa_defs
[instr
->dest
.dest
.ssa
.index
] = result
;
1123 static void visit_load_const(struct ac_nir_context
*ctx
,
1124 const nir_load_const_instr
*instr
)
1126 LLVMValueRef values
[4], value
= NULL
;
1127 LLVMTypeRef element_type
=
1128 LLVMIntTypeInContext(ctx
->ac
.context
, instr
->def
.bit_size
);
1130 for (unsigned i
= 0; i
< instr
->def
.num_components
; ++i
) {
1131 switch (instr
->def
.bit_size
) {
1133 values
[i
] = LLVMConstInt(element_type
,
1134 instr
->value
[i
].u8
, false);
1137 values
[i
] = LLVMConstInt(element_type
,
1138 instr
->value
[i
].u16
, false);
1141 values
[i
] = LLVMConstInt(element_type
,
1142 instr
->value
[i
].u32
, false);
1145 values
[i
] = LLVMConstInt(element_type
,
1146 instr
->value
[i
].u64
, false);
1150 "unsupported nir load_const bit_size: %d\n",
1151 instr
->def
.bit_size
);
1155 if (instr
->def
.num_components
> 1) {
1156 value
= LLVMConstVector(values
, instr
->def
.num_components
);
1160 ctx
->ssa_defs
[instr
->def
.index
] = value
;
1164 get_buffer_size(struct ac_nir_context
*ctx
, LLVMValueRef descriptor
, bool in_elements
)
1167 LLVMBuildExtractElement(ctx
->ac
.builder
, descriptor
,
1168 LLVMConstInt(ctx
->ac
.i32
, 2, false), "");
1171 if (ctx
->ac
.chip_class
== GFX8
&& in_elements
) {
1172 /* On GFX8, the descriptor contains the size in bytes,
1173 * but TXQ must return the size in elements.
1174 * The stride is always non-zero for resources using TXQ.
1176 LLVMValueRef stride
=
1177 LLVMBuildExtractElement(ctx
->ac
.builder
, descriptor
,
1179 stride
= LLVMBuildLShr(ctx
->ac
.builder
, stride
,
1180 LLVMConstInt(ctx
->ac
.i32
, 16, false), "");
1181 stride
= LLVMBuildAnd(ctx
->ac
.builder
, stride
,
1182 LLVMConstInt(ctx
->ac
.i32
, 0x3fff, false), "");
1184 size
= LLVMBuildUDiv(ctx
->ac
.builder
, size
, stride
, "");
1189 /* Gather4 should follow the same rules as bilinear filtering, but the hardware
1190 * incorrectly forces nearest filtering if the texture format is integer.
1191 * The only effect it has on Gather4, which always returns 4 texels for
1192 * bilinear filtering, is that the final coordinates are off by 0.5 of
1195 * The workaround is to subtract 0.5 from the unnormalized coordinates,
1196 * or (0.5 / size) from the normalized coordinates.
1198 * However, cube textures with 8_8_8_8 data formats require a different
1199 * workaround of overriding the num format to USCALED/SSCALED. This would lose
1200 * precision in 32-bit data formats, so it needs to be applied dynamically at
1201 * runtime. In this case, return an i1 value that indicates whether the
1202 * descriptor was overridden (and hence a fixup of the sampler result is needed).
1204 static LLVMValueRef
lower_gather4_integer(struct ac_llvm_context
*ctx
,
1206 struct ac_image_args
*args
,
1207 const nir_tex_instr
*instr
)
1209 const struct glsl_type
*type
= glsl_without_array(var
->type
);
1210 enum glsl_base_type stype
= glsl_get_sampler_result_type(type
);
1211 LLVMValueRef wa_8888
= NULL
;
1212 LLVMValueRef half_texel
[2];
1213 LLVMValueRef result
;
1215 assert(stype
== GLSL_TYPE_INT
|| stype
== GLSL_TYPE_UINT
);
1217 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
) {
1218 LLVMValueRef formats
;
1219 LLVMValueRef data_format
;
1220 LLVMValueRef wa_formats
;
1222 formats
= LLVMBuildExtractElement(ctx
->builder
, args
->resource
, ctx
->i32_1
, "");
1224 data_format
= LLVMBuildLShr(ctx
->builder
, formats
,
1225 LLVMConstInt(ctx
->i32
, 20, false), "");
1226 data_format
= LLVMBuildAnd(ctx
->builder
, data_format
,
1227 LLVMConstInt(ctx
->i32
, (1u << 6) - 1, false), "");
1228 wa_8888
= LLVMBuildICmp(
1229 ctx
->builder
, LLVMIntEQ
, data_format
,
1230 LLVMConstInt(ctx
->i32
, V_008F14_IMG_DATA_FORMAT_8_8_8_8
, false),
1233 uint32_t wa_num_format
=
1234 stype
== GLSL_TYPE_UINT
?
1235 S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_USCALED
) :
1236 S_008F14_NUM_FORMAT(V_008F14_IMG_NUM_FORMAT_SSCALED
);
1237 wa_formats
= LLVMBuildAnd(ctx
->builder
, formats
,
1238 LLVMConstInt(ctx
->i32
, C_008F14_NUM_FORMAT
, false),
1240 wa_formats
= LLVMBuildOr(ctx
->builder
, wa_formats
,
1241 LLVMConstInt(ctx
->i32
, wa_num_format
, false), "");
1243 formats
= LLVMBuildSelect(ctx
->builder
, wa_8888
, wa_formats
, formats
, "");
1244 args
->resource
= LLVMBuildInsertElement(
1245 ctx
->builder
, args
->resource
, formats
, ctx
->i32_1
, "");
1248 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_RECT
) {
1250 half_texel
[0] = half_texel
[1] = LLVMConstReal(ctx
->f32
, -0.5);
1252 struct ac_image_args resinfo
= {};
1253 LLVMBasicBlockRef bbs
[2];
1255 LLVMValueRef unnorm
= NULL
;
1256 LLVMValueRef default_offset
= ctx
->f32_0
;
1257 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_2D
&&
1259 /* In vulkan, whether the sampler uses unnormalized
1260 * coordinates or not is a dynamic property of the
1261 * sampler. Hence, to figure out whether or not we
1262 * need to divide by the texture size, we need to test
1263 * the sampler at runtime. This tests the bit set by
1264 * radv_init_sampler().
1266 LLVMValueRef sampler0
=
1267 LLVMBuildExtractElement(ctx
->builder
, args
->sampler
, ctx
->i32_0
, "");
1268 sampler0
= LLVMBuildLShr(ctx
->builder
, sampler0
,
1269 LLVMConstInt(ctx
->i32
, 15, false), "");
1270 sampler0
= LLVMBuildAnd(ctx
->builder
, sampler0
, ctx
->i32_1
, "");
1271 unnorm
= LLVMBuildICmp(ctx
->builder
, LLVMIntEQ
, sampler0
, ctx
->i32_1
, "");
1272 default_offset
= LLVMConstReal(ctx
->f32
, -0.5);
1275 bbs
[0] = LLVMGetInsertBlock(ctx
->builder
);
1276 if (wa_8888
|| unnorm
) {
1277 assert(!(wa_8888
&& unnorm
));
1278 LLVMValueRef not_needed
= wa_8888
? wa_8888
: unnorm
;
1279 /* Skip the texture size query entirely if we don't need it. */
1280 ac_build_ifcc(ctx
, LLVMBuildNot(ctx
->builder
, not_needed
, ""), 2000);
1281 bbs
[1] = LLVMGetInsertBlock(ctx
->builder
);
1284 /* Query the texture size. */
1285 resinfo
.dim
= get_ac_sampler_dim(ctx
, instr
->sampler_dim
, instr
->is_array
);
1286 resinfo
.opcode
= ac_image_get_resinfo
;
1287 resinfo
.dmask
= 0xf;
1288 resinfo
.lod
= ctx
->i32_0
;
1289 resinfo
.resource
= args
->resource
;
1290 resinfo
.attributes
= AC_FUNC_ATTR_READNONE
;
1291 LLVMValueRef size
= ac_build_image_opcode(ctx
, &resinfo
);
1293 /* Compute -0.5 / size. */
1294 for (unsigned c
= 0; c
< 2; c
++) {
1296 LLVMBuildExtractElement(ctx
->builder
, size
,
1297 LLVMConstInt(ctx
->i32
, c
, 0), "");
1298 half_texel
[c
] = LLVMBuildUIToFP(ctx
->builder
, half_texel
[c
], ctx
->f32
, "");
1299 half_texel
[c
] = ac_build_fdiv(ctx
, ctx
->f32_1
, half_texel
[c
]);
1300 half_texel
[c
] = LLVMBuildFMul(ctx
->builder
, half_texel
[c
],
1301 LLVMConstReal(ctx
->f32
, -0.5), "");
1304 if (wa_8888
|| unnorm
) {
1305 ac_build_endif(ctx
, 2000);
1307 for (unsigned c
= 0; c
< 2; c
++) {
1308 LLVMValueRef values
[2] = { default_offset
, half_texel
[c
] };
1309 half_texel
[c
] = ac_build_phi(ctx
, ctx
->f32
, 2,
1315 for (unsigned c
= 0; c
< 2; c
++) {
1317 tmp
= LLVMBuildBitCast(ctx
->builder
, args
->coords
[c
], ctx
->f32
, "");
1318 args
->coords
[c
] = LLVMBuildFAdd(ctx
->builder
, tmp
, half_texel
[c
], "");
1321 args
->attributes
= AC_FUNC_ATTR_READNONE
;
1322 result
= ac_build_image_opcode(ctx
, args
);
1324 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
) {
1325 LLVMValueRef tmp
, tmp2
;
1327 /* if the cube workaround is in place, f2i the result. */
1328 for (unsigned c
= 0; c
< 4; c
++) {
1329 tmp
= LLVMBuildExtractElement(ctx
->builder
, result
, LLVMConstInt(ctx
->i32
, c
, false), "");
1330 if (stype
== GLSL_TYPE_UINT
)
1331 tmp2
= LLVMBuildFPToUI(ctx
->builder
, tmp
, ctx
->i32
, "");
1333 tmp2
= LLVMBuildFPToSI(ctx
->builder
, tmp
, ctx
->i32
, "");
1334 tmp
= LLVMBuildBitCast(ctx
->builder
, tmp
, ctx
->i32
, "");
1335 tmp2
= LLVMBuildBitCast(ctx
->builder
, tmp2
, ctx
->i32
, "");
1336 tmp
= LLVMBuildSelect(ctx
->builder
, wa_8888
, tmp2
, tmp
, "");
1337 tmp
= LLVMBuildBitCast(ctx
->builder
, tmp
, ctx
->f32
, "");
1338 result
= LLVMBuildInsertElement(ctx
->builder
, result
, tmp
, LLVMConstInt(ctx
->i32
, c
, false), "");
1344 static nir_deref_instr
*get_tex_texture_deref(const nir_tex_instr
*instr
)
1346 nir_deref_instr
*texture_deref_instr
= NULL
;
1348 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
1349 switch (instr
->src
[i
].src_type
) {
1350 case nir_tex_src_texture_deref
:
1351 texture_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
1357 return texture_deref_instr
;
1360 static LLVMValueRef
build_tex_intrinsic(struct ac_nir_context
*ctx
,
1361 const nir_tex_instr
*instr
,
1362 struct ac_image_args
*args
)
1364 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
1365 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
1367 return ac_build_buffer_load_format(&ctx
->ac
,
1371 util_last_bit(mask
),
1375 args
->opcode
= ac_image_sample
;
1377 switch (instr
->op
) {
1379 case nir_texop_txf_ms
:
1380 case nir_texop_samples_identical
:
1381 args
->opcode
= args
->level_zero
||
1382 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
?
1383 ac_image_load
: ac_image_load_mip
;
1384 args
->level_zero
= false;
1387 case nir_texop_query_levels
:
1388 args
->opcode
= ac_image_get_resinfo
;
1390 args
->lod
= ctx
->ac
.i32_0
;
1391 args
->level_zero
= false;
1394 if (ctx
->stage
!= MESA_SHADER_FRAGMENT
) {
1396 args
->level_zero
= true;
1400 args
->opcode
= ac_image_gather4
;
1401 args
->level_zero
= true;
1404 args
->opcode
= ac_image_get_lod
;
1410 if (instr
->op
== nir_texop_tg4
&& ctx
->ac
.chip_class
<= GFX8
) {
1411 nir_deref_instr
*texture_deref_instr
= get_tex_texture_deref(instr
);
1412 nir_variable
*var
= nir_deref_instr_get_variable(texture_deref_instr
);
1413 const struct glsl_type
*type
= glsl_without_array(var
->type
);
1414 enum glsl_base_type stype
= glsl_get_sampler_result_type(type
);
1415 if (stype
== GLSL_TYPE_UINT
|| stype
== GLSL_TYPE_INT
) {
1416 return lower_gather4_integer(&ctx
->ac
, var
, args
, instr
);
1420 /* Fixup for GFX9 which allocates 1D textures as 2D. */
1421 if (instr
->op
== nir_texop_lod
&& ctx
->ac
.chip_class
== GFX9
) {
1422 if ((args
->dim
== ac_image_2darray
||
1423 args
->dim
== ac_image_2d
) && !args
->coords
[1]) {
1424 args
->coords
[1] = ctx
->ac
.i32_0
;
1428 args
->attributes
= AC_FUNC_ATTR_READNONE
;
1429 bool cs_derivs
= ctx
->stage
== MESA_SHADER_COMPUTE
&&
1430 ctx
->info
->cs
.derivative_group
!= DERIVATIVE_GROUP_NONE
;
1431 if (ctx
->stage
== MESA_SHADER_FRAGMENT
|| cs_derivs
) {
1432 /* Prevent texture instructions with implicit derivatives from being
1433 * sinked into branches. */
1434 switch (instr
->op
) {
1438 args
->attributes
|= AC_FUNC_ATTR_CONVERGENT
;
1445 return ac_build_image_opcode(&ctx
->ac
, args
);
1448 static LLVMValueRef
visit_vulkan_resource_reindex(struct ac_nir_context
*ctx
,
1449 nir_intrinsic_instr
*instr
)
1451 LLVMValueRef ptr
= get_src(ctx
, instr
->src
[0]);
1452 LLVMValueRef index
= get_src(ctx
, instr
->src
[1]);
1454 LLVMValueRef result
= LLVMBuildGEP(ctx
->ac
.builder
, ptr
, &index
, 1, "");
1455 LLVMSetMetadata(result
, ctx
->ac
.uniform_md_kind
, ctx
->ac
.empty_md
);
1459 static LLVMValueRef
visit_load_push_constant(struct ac_nir_context
*ctx
,
1460 nir_intrinsic_instr
*instr
)
1462 LLVMValueRef ptr
, addr
;
1463 LLVMValueRef src0
= get_src(ctx
, instr
->src
[0]);
1464 unsigned index
= nir_intrinsic_base(instr
);
1466 addr
= LLVMConstInt(ctx
->ac
.i32
, index
, 0);
1467 addr
= LLVMBuildAdd(ctx
->ac
.builder
, addr
, src0
, "");
1469 /* Load constant values from user SGPRS when possible, otherwise
1470 * fallback to the default path that loads directly from memory.
1472 if (LLVMIsConstant(src0
) &&
1473 instr
->dest
.ssa
.bit_size
== 32) {
1474 unsigned count
= instr
->dest
.ssa
.num_components
;
1475 unsigned offset
= index
;
1477 offset
+= LLVMConstIntGetZExtValue(src0
);
1480 offset
-= ctx
->abi
->base_inline_push_consts
;
1482 if (offset
+ count
<= ctx
->abi
->num_inline_push_consts
) {
1483 return ac_build_gather_values(&ctx
->ac
,
1484 ctx
->abi
->inline_push_consts
+ offset
,
1489 ptr
= LLVMBuildGEP(ctx
->ac
.builder
, ctx
->abi
->push_constants
, &addr
, 1, "");
1491 if (instr
->dest
.ssa
.bit_size
== 8) {
1492 unsigned load_dwords
= instr
->dest
.ssa
.num_components
> 1 ? 2 : 1;
1493 LLVMTypeRef vec_type
= LLVMVectorType(LLVMInt8TypeInContext(ctx
->ac
.context
), 4 * load_dwords
);
1494 ptr
= ac_cast_ptr(&ctx
->ac
, ptr
, vec_type
);
1495 LLVMValueRef res
= LLVMBuildLoad(ctx
->ac
.builder
, ptr
, "");
1497 LLVMValueRef params
[3];
1498 if (load_dwords
> 1) {
1499 LLVMValueRef res_vec
= LLVMBuildBitCast(ctx
->ac
.builder
, res
, LLVMVectorType(ctx
->ac
.i32
, 2), "");
1500 params
[0] = LLVMBuildExtractElement(ctx
->ac
.builder
, res_vec
, LLVMConstInt(ctx
->ac
.i32
, 1, false), "");
1501 params
[1] = LLVMBuildExtractElement(ctx
->ac
.builder
, res_vec
, LLVMConstInt(ctx
->ac
.i32
, 0, false), "");
1503 res
= LLVMBuildBitCast(ctx
->ac
.builder
, res
, ctx
->ac
.i32
, "");
1504 params
[0] = ctx
->ac
.i32_0
;
1508 res
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.alignbyte", ctx
->ac
.i32
, params
, 3, 0);
1510 res
= LLVMBuildTrunc(ctx
->ac
.builder
, res
, LLVMIntTypeInContext(ctx
->ac
.context
, instr
->dest
.ssa
.num_components
* 8), "");
1511 if (instr
->dest
.ssa
.num_components
> 1)
1512 res
= LLVMBuildBitCast(ctx
->ac
.builder
, res
, LLVMVectorType(LLVMInt8TypeInContext(ctx
->ac
.context
), instr
->dest
.ssa
.num_components
), "");
1514 } else if (instr
->dest
.ssa
.bit_size
== 16) {
1515 unsigned load_dwords
= instr
->dest
.ssa
.num_components
/ 2 + 1;
1516 LLVMTypeRef vec_type
= LLVMVectorType(LLVMInt16TypeInContext(ctx
->ac
.context
), 2 * load_dwords
);
1517 ptr
= ac_cast_ptr(&ctx
->ac
, ptr
, vec_type
);
1518 LLVMValueRef res
= LLVMBuildLoad(ctx
->ac
.builder
, ptr
, "");
1519 res
= LLVMBuildBitCast(ctx
->ac
.builder
, res
, vec_type
, "");
1520 LLVMValueRef cond
= LLVMBuildLShr(ctx
->ac
.builder
, addr
, ctx
->ac
.i32_1
, "");
1521 cond
= LLVMBuildTrunc(ctx
->ac
.builder
, cond
, ctx
->ac
.i1
, "");
1522 LLVMValueRef mask
[] = { LLVMConstInt(ctx
->ac
.i32
, 0, false), LLVMConstInt(ctx
->ac
.i32
, 1, false),
1523 LLVMConstInt(ctx
->ac
.i32
, 2, false), LLVMConstInt(ctx
->ac
.i32
, 3, false),
1524 LLVMConstInt(ctx
->ac
.i32
, 4, false)};
1525 LLVMValueRef swizzle_aligned
= LLVMConstVector(&mask
[0], instr
->dest
.ssa
.num_components
);
1526 LLVMValueRef swizzle_unaligned
= LLVMConstVector(&mask
[1], instr
->dest
.ssa
.num_components
);
1527 LLVMValueRef shuffle_aligned
= LLVMBuildShuffleVector(ctx
->ac
.builder
, res
, res
, swizzle_aligned
, "");
1528 LLVMValueRef shuffle_unaligned
= LLVMBuildShuffleVector(ctx
->ac
.builder
, res
, res
, swizzle_unaligned
, "");
1529 res
= LLVMBuildSelect(ctx
->ac
.builder
, cond
, shuffle_unaligned
, shuffle_aligned
, "");
1530 return LLVMBuildBitCast(ctx
->ac
.builder
, res
, get_def_type(ctx
, &instr
->dest
.ssa
), "");
1533 ptr
= ac_cast_ptr(&ctx
->ac
, ptr
, get_def_type(ctx
, &instr
->dest
.ssa
));
1535 return LLVMBuildLoad(ctx
->ac
.builder
, ptr
, "");
1538 static LLVMValueRef
visit_get_buffer_size(struct ac_nir_context
*ctx
,
1539 const nir_intrinsic_instr
*instr
)
1541 LLVMValueRef index
= get_src(ctx
, instr
->src
[0]);
1543 return get_buffer_size(ctx
, ctx
->abi
->load_ssbo(ctx
->abi
, index
, false), false);
1546 static uint32_t widen_mask(uint32_t mask
, unsigned multiplier
)
1548 uint32_t new_mask
= 0;
1549 for(unsigned i
= 0; i
< 32 && (1u << i
) <= mask
; ++i
)
1550 if (mask
& (1u << i
))
1551 new_mask
|= ((1u << multiplier
) - 1u) << (i
* multiplier
);
1555 static LLVMValueRef
extract_vector_range(struct ac_llvm_context
*ctx
, LLVMValueRef src
,
1556 unsigned start
, unsigned count
)
1558 LLVMValueRef mask
[] = {
1559 ctx
->i32_0
, ctx
->i32_1
,
1560 LLVMConstInt(ctx
->i32
, 2, false), LLVMConstInt(ctx
->i32
, 3, false) };
1562 unsigned src_elements
= ac_get_llvm_num_components(src
);
1564 if (count
== src_elements
) {
1567 } else if (count
== 1) {
1568 assert(start
< src_elements
);
1569 return LLVMBuildExtractElement(ctx
->builder
, src
, mask
[start
], "");
1571 assert(start
+ count
<= src_elements
);
1573 LLVMValueRef swizzle
= LLVMConstVector(&mask
[start
], count
);
1574 return LLVMBuildShuffleVector(ctx
->builder
, src
, src
, swizzle
, "");
1578 static unsigned get_cache_policy(struct ac_nir_context
*ctx
,
1579 enum gl_access_qualifier access
,
1580 bool may_store_unaligned
,
1581 bool writeonly_memory
)
1583 unsigned cache_policy
= 0;
1585 /* GFX6 has a TC L1 bug causing corruption of 8bit/16bit stores. All
1586 * store opcodes not aligned to a dword are affected. The only way to
1587 * get unaligned stores is through shader images.
1589 if (((may_store_unaligned
&& ctx
->ac
.chip_class
== GFX6
) ||
1590 /* If this is write-only, don't keep data in L1 to prevent
1591 * evicting L1 cache lines that may be needed by other
1595 access
& (ACCESS_COHERENT
| ACCESS_VOLATILE
))) {
1596 cache_policy
|= ac_glc
;
1599 if (access
& ACCESS_STREAM_CACHE_POLICY
)
1600 cache_policy
|= ac_slc
;
1602 return cache_policy
;
1605 static void visit_store_ssbo(struct ac_nir_context
*ctx
,
1606 nir_intrinsic_instr
*instr
)
1608 LLVMValueRef src_data
= get_src(ctx
, instr
->src
[0]);
1609 int elem_size_bytes
= ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src_data
)) / 8;
1610 unsigned writemask
= nir_intrinsic_write_mask(instr
);
1611 enum gl_access_qualifier access
= nir_intrinsic_access(instr
);
1612 bool writeonly_memory
= access
& ACCESS_NON_READABLE
;
1613 unsigned cache_policy
= get_cache_policy(ctx
, access
, false, writeonly_memory
);
1615 LLVMValueRef rsrc
= ctx
->abi
->load_ssbo(ctx
->abi
,
1616 get_src(ctx
, instr
->src
[1]), true);
1617 LLVMValueRef base_data
= src_data
;
1618 base_data
= ac_trim_vector(&ctx
->ac
, base_data
, instr
->num_components
);
1619 LLVMValueRef base_offset
= get_src(ctx
, instr
->src
[2]);
1623 LLVMValueRef data
, offset
;
1624 LLVMTypeRef data_type
;
1626 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
1628 /* Due to an LLVM limitation with LLVM < 9, split 3-element
1629 * writes into a 2-element and a 1-element write. */
1631 (elem_size_bytes
!= 4 || !ac_has_vec3_support(ctx
->ac
.chip_class
, false))) {
1632 writemask
|= 1 << (start
+ 2);
1635 int num_bytes
= count
* elem_size_bytes
; /* count in bytes */
1637 /* we can only store 4 DWords at the same time.
1638 * can only happen for 64 Bit vectors. */
1639 if (num_bytes
> 16) {
1640 writemask
|= ((1u << (count
- 2)) - 1u) << (start
+ 2);
1645 /* check alignment of 16 Bit stores */
1646 if (elem_size_bytes
== 2 && num_bytes
> 2 && (start
% 2) == 1) {
1647 writemask
|= ((1u << (count
- 1)) - 1u) << (start
+ 1);
1651 data
= extract_vector_range(&ctx
->ac
, base_data
, start
, count
);
1653 offset
= LLVMBuildAdd(ctx
->ac
.builder
, base_offset
,
1654 LLVMConstInt(ctx
->ac
.i32
, start
* elem_size_bytes
, false), "");
1656 if (num_bytes
== 1) {
1657 ac_build_tbuffer_store_byte(&ctx
->ac
, rsrc
, data
,
1658 offset
, ctx
->ac
.i32_0
,
1660 } else if (num_bytes
== 2) {
1661 ac_build_tbuffer_store_short(&ctx
->ac
, rsrc
, data
,
1662 offset
, ctx
->ac
.i32_0
,
1665 int num_channels
= num_bytes
/ 4;
1667 switch (num_bytes
) {
1668 case 16: /* v4f32 */
1669 data_type
= ctx
->ac
.v4f32
;
1671 case 12: /* v3f32 */
1672 data_type
= ctx
->ac
.v3f32
;
1675 data_type
= ctx
->ac
.v2f32
;
1678 data_type
= ctx
->ac
.f32
;
1681 unreachable("Malformed vector store.");
1683 data
= LLVMBuildBitCast(ctx
->ac
.builder
, data
, data_type
, "");
1685 ac_build_buffer_store_dword(&ctx
->ac
, rsrc
, data
,
1686 num_channels
, offset
,
1688 cache_policy
, false);
1693 static LLVMValueRef
emit_ssbo_comp_swap_64(struct ac_nir_context
*ctx
,
1694 LLVMValueRef descriptor
,
1695 LLVMValueRef offset
,
1696 LLVMValueRef compare
,
1697 LLVMValueRef exchange
)
1699 LLVMBasicBlockRef start_block
= NULL
, then_block
= NULL
;
1700 if (ctx
->abi
->robust_buffer_access
) {
1701 LLVMValueRef size
= ac_llvm_extract_elem(&ctx
->ac
, descriptor
, 2);
1703 LLVMValueRef cond
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntULT
, offset
, size
, "");
1704 start_block
= LLVMGetInsertBlock(ctx
->ac
.builder
);
1706 ac_build_ifcc(&ctx
->ac
, cond
, -1);
1708 then_block
= LLVMGetInsertBlock(ctx
->ac
.builder
);
1711 LLVMValueRef ptr_parts
[2] = {
1712 ac_llvm_extract_elem(&ctx
->ac
, descriptor
, 0),
1713 LLVMBuildAnd(ctx
->ac
.builder
,
1714 ac_llvm_extract_elem(&ctx
->ac
, descriptor
, 1),
1715 LLVMConstInt(ctx
->ac
.i32
, 65535, 0), "")
1718 ptr_parts
[1] = LLVMBuildTrunc(ctx
->ac
.builder
, ptr_parts
[1], ctx
->ac
.i16
, "");
1719 ptr_parts
[1] = LLVMBuildSExt(ctx
->ac
.builder
, ptr_parts
[1], ctx
->ac
.i32
, "");
1721 offset
= LLVMBuildZExt(ctx
->ac
.builder
, offset
, ctx
->ac
.i64
, "");
1723 LLVMValueRef ptr
= ac_build_gather_values(&ctx
->ac
, ptr_parts
, 2);
1724 ptr
= LLVMBuildBitCast(ctx
->ac
.builder
, ptr
, ctx
->ac
.i64
, "");
1725 ptr
= LLVMBuildAdd(ctx
->ac
.builder
, ptr
, offset
, "");
1726 ptr
= LLVMBuildIntToPtr(ctx
->ac
.builder
, ptr
, LLVMPointerType(ctx
->ac
.i64
, AC_ADDR_SPACE_GLOBAL
), "");
1728 LLVMValueRef result
= ac_build_atomic_cmp_xchg(&ctx
->ac
, ptr
, compare
, exchange
, "singlethread-one-as");
1729 result
= LLVMBuildExtractValue(ctx
->ac
.builder
, result
, 0, "");
1731 if (ctx
->abi
->robust_buffer_access
) {
1732 ac_build_endif(&ctx
->ac
, -1);
1734 LLVMBasicBlockRef incoming_blocks
[2] = {
1739 LLVMValueRef incoming_values
[2] = {
1740 LLVMConstInt(ctx
->ac
.i64
, 0, 0),
1743 LLVMValueRef ret
= LLVMBuildPhi(ctx
->ac
.builder
, ctx
->ac
.i64
, "");
1744 LLVMAddIncoming(ret
, incoming_values
, incoming_blocks
, 2);
1751 static LLVMValueRef
visit_atomic_ssbo(struct ac_nir_context
*ctx
,
1752 const nir_intrinsic_instr
*instr
)
1754 LLVMTypeRef return_type
= LLVMTypeOf(get_src(ctx
, instr
->src
[2]));
1756 char name
[64], type
[8];
1757 LLVMValueRef params
[6], descriptor
;
1760 switch (instr
->intrinsic
) {
1761 case nir_intrinsic_ssbo_atomic_add
:
1764 case nir_intrinsic_ssbo_atomic_imin
:
1767 case nir_intrinsic_ssbo_atomic_umin
:
1770 case nir_intrinsic_ssbo_atomic_imax
:
1773 case nir_intrinsic_ssbo_atomic_umax
:
1776 case nir_intrinsic_ssbo_atomic_and
:
1779 case nir_intrinsic_ssbo_atomic_or
:
1782 case nir_intrinsic_ssbo_atomic_xor
:
1785 case nir_intrinsic_ssbo_atomic_exchange
:
1788 case nir_intrinsic_ssbo_atomic_comp_swap
:
1795 descriptor
= ctx
->abi
->load_ssbo(ctx
->abi
,
1796 get_src(ctx
, instr
->src
[0]),
1799 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
&&
1800 return_type
== ctx
->ac
.i64
) {
1801 return emit_ssbo_comp_swap_64(ctx
, descriptor
,
1802 get_src(ctx
, instr
->src
[1]),
1803 get_src(ctx
, instr
->src
[2]),
1804 get_src(ctx
, instr
->src
[3]));
1806 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
) {
1807 params
[arg_count
++] = ac_llvm_extract_elem(&ctx
->ac
, get_src(ctx
, instr
->src
[3]), 0);
1809 params
[arg_count
++] = ac_llvm_extract_elem(&ctx
->ac
, get_src(ctx
, instr
->src
[2]), 0);
1810 params
[arg_count
++] = descriptor
;
1812 if (LLVM_VERSION_MAJOR
>= 9) {
1813 /* XXX: The new raw/struct atomic intrinsics are buggy with
1814 * LLVM 8, see r358579.
1816 params
[arg_count
++] = get_src(ctx
, instr
->src
[1]); /* voffset */
1817 params
[arg_count
++] = ctx
->ac
.i32_0
; /* soffset */
1818 params
[arg_count
++] = ctx
->ac
.i32_0
; /* slc */
1820 ac_build_type_name_for_intr(return_type
, type
, sizeof(type
));
1821 snprintf(name
, sizeof(name
),
1822 "llvm.amdgcn.raw.buffer.atomic.%s.%s", op
, type
);
1824 params
[arg_count
++] = ctx
->ac
.i32_0
; /* vindex */
1825 params
[arg_count
++] = get_src(ctx
, instr
->src
[1]); /* voffset */
1826 params
[arg_count
++] = ctx
->ac
.i1false
; /* slc */
1828 assert(return_type
== ctx
->ac
.i32
);
1829 snprintf(name
, sizeof(name
),
1830 "llvm.amdgcn.buffer.atomic.%s", op
);
1833 return ac_build_intrinsic(&ctx
->ac
, name
, return_type
, params
,
1837 static LLVMValueRef
visit_load_buffer(struct ac_nir_context
*ctx
,
1838 const nir_intrinsic_instr
*instr
)
1840 int elem_size_bytes
= instr
->dest
.ssa
.bit_size
/ 8;
1841 int num_components
= instr
->num_components
;
1842 enum gl_access_qualifier access
= nir_intrinsic_access(instr
);
1843 unsigned cache_policy
= get_cache_policy(ctx
, access
, false, false);
1845 LLVMValueRef offset
= get_src(ctx
, instr
->src
[1]);
1846 LLVMValueRef rsrc
= ctx
->abi
->load_ssbo(ctx
->abi
,
1847 get_src(ctx
, instr
->src
[0]), false);
1848 LLVMValueRef vindex
= ctx
->ac
.i32_0
;
1850 LLVMTypeRef def_type
= get_def_type(ctx
, &instr
->dest
.ssa
);
1851 LLVMTypeRef def_elem_type
= num_components
> 1 ? LLVMGetElementType(def_type
) : def_type
;
1853 LLVMValueRef results
[4];
1854 for (int i
= 0; i
< num_components
;) {
1855 int num_elems
= num_components
- i
;
1856 if (elem_size_bytes
< 4 && nir_intrinsic_align(instr
) % 4 != 0)
1858 if (num_elems
* elem_size_bytes
> 16)
1859 num_elems
= 16 / elem_size_bytes
;
1860 int load_bytes
= num_elems
* elem_size_bytes
;
1862 LLVMValueRef immoffset
= LLVMConstInt(ctx
->ac
.i32
, i
* elem_size_bytes
, false);
1866 if (load_bytes
== 1) {
1867 ret
= ac_build_tbuffer_load_byte(&ctx
->ac
,
1873 } else if (load_bytes
== 2) {
1874 ret
= ac_build_tbuffer_load_short(&ctx
->ac
,
1881 int num_channels
= util_next_power_of_two(load_bytes
) / 4;
1882 bool can_speculate
= access
& ACCESS_CAN_REORDER
;
1884 ret
= ac_build_buffer_load(&ctx
->ac
, rsrc
, num_channels
,
1885 vindex
, offset
, immoffset
, 0,
1886 cache_policy
, can_speculate
, false);
1889 LLVMTypeRef byte_vec
= LLVMVectorType(ctx
->ac
.i8
, ac_get_type_size(LLVMTypeOf(ret
)));
1890 ret
= LLVMBuildBitCast(ctx
->ac
.builder
, ret
, byte_vec
, "");
1891 ret
= ac_trim_vector(&ctx
->ac
, ret
, load_bytes
);
1893 LLVMTypeRef ret_type
= LLVMVectorType(def_elem_type
, num_elems
);
1894 ret
= LLVMBuildBitCast(ctx
->ac
.builder
, ret
, ret_type
, "");
1896 for (unsigned j
= 0; j
< num_elems
; j
++) {
1897 results
[i
+ j
] = LLVMBuildExtractElement(ctx
->ac
.builder
, ret
, LLVMConstInt(ctx
->ac
.i32
, j
, false), "");
1902 return ac_build_gather_values(&ctx
->ac
, results
, num_components
);
1905 static LLVMValueRef
visit_load_ubo_buffer(struct ac_nir_context
*ctx
,
1906 const nir_intrinsic_instr
*instr
)
1909 LLVMValueRef rsrc
= get_src(ctx
, instr
->src
[0]);
1910 LLVMValueRef offset
= get_src(ctx
, instr
->src
[1]);
1911 int num_components
= instr
->num_components
;
1913 if (ctx
->abi
->load_ubo
)
1914 rsrc
= ctx
->abi
->load_ubo(ctx
->abi
, rsrc
);
1916 if (instr
->dest
.ssa
.bit_size
== 64)
1917 num_components
*= 2;
1919 if (instr
->dest
.ssa
.bit_size
== 16 || instr
->dest
.ssa
.bit_size
== 8) {
1920 unsigned load_bytes
= instr
->dest
.ssa
.bit_size
/ 8;
1921 LLVMValueRef results
[num_components
];
1922 for (unsigned i
= 0; i
< num_components
; ++i
) {
1923 LLVMValueRef immoffset
= LLVMConstInt(ctx
->ac
.i32
,
1926 if (load_bytes
== 1) {
1927 results
[i
] = ac_build_tbuffer_load_byte(&ctx
->ac
,
1934 assert(load_bytes
== 2);
1935 results
[i
] = ac_build_tbuffer_load_short(&ctx
->ac
,
1943 ret
= ac_build_gather_values(&ctx
->ac
, results
, num_components
);
1945 ret
= ac_build_buffer_load(&ctx
->ac
, rsrc
, num_components
, NULL
, offset
,
1946 NULL
, 0, 0, true, true);
1948 ret
= ac_trim_vector(&ctx
->ac
, ret
, num_components
);
1951 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
,
1952 get_def_type(ctx
, &instr
->dest
.ssa
), "");
1956 get_deref_offset(struct ac_nir_context
*ctx
, nir_deref_instr
*instr
,
1957 bool vs_in
, unsigned *vertex_index_out
,
1958 LLVMValueRef
*vertex_index_ref
,
1959 unsigned *const_out
, LLVMValueRef
*indir_out
)
1961 nir_variable
*var
= nir_deref_instr_get_variable(instr
);
1962 nir_deref_path path
;
1963 unsigned idx_lvl
= 1;
1965 nir_deref_path_init(&path
, instr
, NULL
);
1967 if (vertex_index_out
!= NULL
|| vertex_index_ref
!= NULL
) {
1968 if (vertex_index_ref
) {
1969 *vertex_index_ref
= get_src(ctx
, path
.path
[idx_lvl
]->arr
.index
);
1970 if (vertex_index_out
)
1971 *vertex_index_out
= 0;
1973 *vertex_index_out
= nir_src_as_uint(path
.path
[idx_lvl
]->arr
.index
);
1978 uint32_t const_offset
= 0;
1979 LLVMValueRef offset
= NULL
;
1981 if (var
->data
.compact
) {
1982 assert(instr
->deref_type
== nir_deref_type_array
);
1983 const_offset
= nir_src_as_uint(instr
->arr
.index
);
1987 for (; path
.path
[idx_lvl
]; ++idx_lvl
) {
1988 const struct glsl_type
*parent_type
= path
.path
[idx_lvl
- 1]->type
;
1989 if (path
.path
[idx_lvl
]->deref_type
== nir_deref_type_struct
) {
1990 unsigned index
= path
.path
[idx_lvl
]->strct
.index
;
1992 for (unsigned i
= 0; i
< index
; i
++) {
1993 const struct glsl_type
*ft
= glsl_get_struct_field(parent_type
, i
);
1994 const_offset
+= glsl_count_attribute_slots(ft
, vs_in
);
1996 } else if(path
.path
[idx_lvl
]->deref_type
== nir_deref_type_array
) {
1997 unsigned size
= glsl_count_attribute_slots(path
.path
[idx_lvl
]->type
, vs_in
);
1998 if (nir_src_is_const(path
.path
[idx_lvl
]->arr
.index
)) {
1999 const_offset
+= size
*
2000 nir_src_as_uint(path
.path
[idx_lvl
]->arr
.index
);
2002 LLVMValueRef array_off
= LLVMBuildMul(ctx
->ac
.builder
, LLVMConstInt(ctx
->ac
.i32
, size
, 0),
2003 get_src(ctx
, path
.path
[idx_lvl
]->arr
.index
), "");
2005 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
, array_off
, "");
2010 unreachable("Uhandled deref type in get_deref_instr_offset");
2014 nir_deref_path_finish(&path
);
2016 if (const_offset
&& offset
)
2017 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
,
2018 LLVMConstInt(ctx
->ac
.i32
, const_offset
, 0),
2021 *const_out
= const_offset
;
2022 *indir_out
= offset
;
2025 static LLVMValueRef
load_tess_varyings(struct ac_nir_context
*ctx
,
2026 nir_intrinsic_instr
*instr
,
2029 LLVMValueRef result
;
2030 LLVMValueRef vertex_index
= NULL
;
2031 LLVMValueRef indir_index
= NULL
;
2032 unsigned const_index
= 0;
2034 nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
2036 unsigned location
= var
->data
.location
;
2037 unsigned driver_location
= var
->data
.driver_location
;
2038 const bool is_patch
= var
->data
.patch
;
2039 const bool is_compact
= var
->data
.compact
;
2041 get_deref_offset(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
),
2042 false, NULL
, is_patch
? NULL
: &vertex_index
,
2043 &const_index
, &indir_index
);
2045 LLVMTypeRef dest_type
= get_def_type(ctx
, &instr
->dest
.ssa
);
2047 LLVMTypeRef src_component_type
;
2048 if (LLVMGetTypeKind(dest_type
) == LLVMVectorTypeKind
)
2049 src_component_type
= LLVMGetElementType(dest_type
);
2051 src_component_type
= dest_type
;
2053 result
= ctx
->abi
->load_tess_varyings(ctx
->abi
, src_component_type
,
2054 vertex_index
, indir_index
,
2055 const_index
, location
, driver_location
,
2056 var
->data
.location_frac
,
2057 instr
->num_components
,
2058 is_patch
, is_compact
, load_inputs
);
2059 if (instr
->dest
.ssa
.bit_size
== 16) {
2060 result
= ac_to_integer(&ctx
->ac
, result
);
2061 result
= LLVMBuildTrunc(ctx
->ac
.builder
, result
, dest_type
, "");
2063 return LLVMBuildBitCast(ctx
->ac
.builder
, result
, dest_type
, "");
2067 type_scalar_size_bytes(const struct glsl_type
*type
)
2069 assert(glsl_type_is_vector_or_scalar(type
) ||
2070 glsl_type_is_matrix(type
));
2071 return glsl_type_is_boolean(type
) ? 4 : glsl_get_bit_size(type
) / 8;
2074 static LLVMValueRef
visit_load_var(struct ac_nir_context
*ctx
,
2075 nir_intrinsic_instr
*instr
)
2077 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
2078 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
2080 LLVMValueRef values
[8];
2082 int ve
= instr
->dest
.ssa
.num_components
;
2084 LLVMValueRef indir_index
;
2086 unsigned const_index
;
2087 unsigned stride
= 4;
2088 int mode
= deref
->mode
;
2091 bool vs_in
= ctx
->stage
== MESA_SHADER_VERTEX
&&
2092 var
->data
.mode
== nir_var_shader_in
;
2093 idx
= var
->data
.driver_location
;
2094 comp
= var
->data
.location_frac
;
2095 mode
= var
->data
.mode
;
2097 get_deref_offset(ctx
, deref
, vs_in
, NULL
, NULL
,
2098 &const_index
, &indir_index
);
2100 if (var
->data
.compact
) {
2102 const_index
+= comp
;
2107 if (instr
->dest
.ssa
.bit_size
== 64 &&
2108 (deref
->mode
== nir_var_shader_in
||
2109 deref
->mode
== nir_var_shader_out
||
2110 deref
->mode
== nir_var_function_temp
))
2114 case nir_var_shader_in
:
2115 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
||
2116 ctx
->stage
== MESA_SHADER_TESS_EVAL
) {
2117 return load_tess_varyings(ctx
, instr
, true);
2120 if (ctx
->stage
== MESA_SHADER_GEOMETRY
) {
2121 LLVMTypeRef type
= LLVMIntTypeInContext(ctx
->ac
.context
, instr
->dest
.ssa
.bit_size
);
2122 LLVMValueRef indir_index
;
2123 unsigned const_index
, vertex_index
;
2124 get_deref_offset(ctx
, deref
, false, &vertex_index
, NULL
,
2125 &const_index
, &indir_index
);
2126 assert(indir_index
== NULL
);
2128 return ctx
->abi
->load_inputs(ctx
->abi
, var
->data
.location
,
2129 var
->data
.driver_location
,
2130 var
->data
.location_frac
,
2131 instr
->num_components
, vertex_index
, const_index
, type
);
2134 for (unsigned chan
= comp
; chan
< ve
+ comp
; chan
++) {
2136 unsigned count
= glsl_count_attribute_slots(
2138 ctx
->stage
== MESA_SHADER_VERTEX
);
2140 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
2141 &ctx
->ac
, ctx
->abi
->inputs
+ idx
+ chan
, count
,
2142 stride
, false, true);
2144 values
[chan
] = LLVMBuildExtractElement(ctx
->ac
.builder
,
2148 values
[chan
] = ctx
->abi
->inputs
[idx
+ chan
+ const_index
* stride
];
2151 case nir_var_function_temp
:
2152 for (unsigned chan
= 0; chan
< ve
; chan
++) {
2154 unsigned count
= glsl_count_attribute_slots(
2157 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
2158 &ctx
->ac
, ctx
->locals
+ idx
+ chan
, count
,
2159 stride
, true, true);
2161 values
[chan
] = LLVMBuildExtractElement(ctx
->ac
.builder
,
2165 values
[chan
] = LLVMBuildLoad(ctx
->ac
.builder
, ctx
->locals
[idx
+ chan
+ const_index
* stride
], "");
2169 case nir_var_mem_shared
: {
2170 LLVMValueRef address
= get_src(ctx
, instr
->src
[0]);
2171 LLVMValueRef val
= LLVMBuildLoad(ctx
->ac
.builder
, address
, "");
2172 return LLVMBuildBitCast(ctx
->ac
.builder
, val
,
2173 get_def_type(ctx
, &instr
->dest
.ssa
),
2176 case nir_var_shader_out
:
2177 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
2178 return load_tess_varyings(ctx
, instr
, false);
2181 if (ctx
->stage
== MESA_SHADER_FRAGMENT
&&
2182 var
->data
.fb_fetch_output
&&
2183 ctx
->abi
->emit_fbfetch
)
2184 return ctx
->abi
->emit_fbfetch(ctx
->abi
);
2186 for (unsigned chan
= comp
; chan
< ve
+ comp
; chan
++) {
2188 unsigned count
= glsl_count_attribute_slots(
2191 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
2192 &ctx
->ac
, ctx
->abi
->outputs
+ idx
+ chan
, count
,
2193 stride
, true, true);
2195 values
[chan
] = LLVMBuildExtractElement(ctx
->ac
.builder
,
2199 values
[chan
] = LLVMBuildLoad(ctx
->ac
.builder
,
2200 ctx
->abi
->outputs
[idx
+ chan
+ const_index
* stride
],
2205 case nir_var_mem_global
: {
2206 LLVMValueRef address
= get_src(ctx
, instr
->src
[0]);
2207 unsigned explicit_stride
= glsl_get_explicit_stride(deref
->type
);
2208 unsigned natural_stride
= type_scalar_size_bytes(deref
->type
);
2209 unsigned stride
= explicit_stride
? explicit_stride
: natural_stride
;
2211 LLVMTypeRef result_type
= get_def_type(ctx
, &instr
->dest
.ssa
);
2212 if (stride
!= natural_stride
) {
2213 LLVMTypeRef ptr_type
= LLVMPointerType(LLVMGetElementType(result_type
),
2214 LLVMGetPointerAddressSpace(LLVMTypeOf(address
)));
2215 address
= LLVMBuildBitCast(ctx
->ac
.builder
, address
, ptr_type
, "");
2217 for (unsigned i
= 0; i
< instr
->dest
.ssa
.num_components
; ++i
) {
2218 LLVMValueRef offset
= LLVMConstInt(ctx
->ac
.i32
, i
* stride
/ natural_stride
, 0);
2219 values
[i
] = LLVMBuildLoad(ctx
->ac
.builder
,
2220 ac_build_gep_ptr(&ctx
->ac
, address
, offset
), "");
2222 return ac_build_gather_values(&ctx
->ac
, values
, instr
->dest
.ssa
.num_components
);
2224 LLVMTypeRef ptr_type
= LLVMPointerType(result_type
,
2225 LLVMGetPointerAddressSpace(LLVMTypeOf(address
)));
2226 address
= LLVMBuildBitCast(ctx
->ac
.builder
, address
, ptr_type
, "");
2227 LLVMValueRef val
= LLVMBuildLoad(ctx
->ac
.builder
, address
, "");
2232 unreachable("unhandle variable mode");
2234 ret
= ac_build_varying_gather_values(&ctx
->ac
, values
, ve
, comp
);
2235 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
, get_def_type(ctx
, &instr
->dest
.ssa
), "");
2239 visit_store_var(struct ac_nir_context
*ctx
,
2240 nir_intrinsic_instr
*instr
)
2242 nir_deref_instr
*deref
= nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
2243 nir_variable
*var
= nir_deref_instr_get_variable(deref
);
2245 LLVMValueRef temp_ptr
, value
;
2248 LLVMValueRef src
= ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[1]));
2249 int writemask
= instr
->const_index
[0];
2250 LLVMValueRef indir_index
;
2251 unsigned const_index
;
2254 get_deref_offset(ctx
, deref
, false,
2255 NULL
, NULL
, &const_index
, &indir_index
);
2256 idx
= var
->data
.driver_location
;
2257 comp
= var
->data
.location_frac
;
2259 if (var
->data
.compact
) {
2260 const_index
+= comp
;
2265 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
)) == 64 &&
2266 (deref
->mode
== nir_var_shader_out
||
2267 deref
->mode
== nir_var_function_temp
)) {
2269 src
= LLVMBuildBitCast(ctx
->ac
.builder
, src
,
2270 LLVMVectorType(ctx
->ac
.f32
, ac_get_llvm_num_components(src
) * 2),
2273 writemask
= widen_mask(writemask
, 2);
2276 writemask
= writemask
<< comp
;
2278 switch (deref
->mode
) {
2279 case nir_var_shader_out
:
2281 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
2282 LLVMValueRef vertex_index
= NULL
;
2283 LLVMValueRef indir_index
= NULL
;
2284 unsigned const_index
= 0;
2285 const bool is_patch
= var
->data
.patch
;
2287 get_deref_offset(ctx
, deref
, false, NULL
,
2288 is_patch
? NULL
: &vertex_index
,
2289 &const_index
, &indir_index
);
2291 ctx
->abi
->store_tcs_outputs(ctx
->abi
, var
,
2292 vertex_index
, indir_index
,
2293 const_index
, src
, writemask
);
2297 for (unsigned chan
= 0; chan
< 8; chan
++) {
2299 if (!(writemask
& (1 << chan
)))
2302 value
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
- comp
);
2304 if (var
->data
.compact
)
2307 unsigned count
= glsl_count_attribute_slots(
2310 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
2311 &ctx
->ac
, ctx
->abi
->outputs
+ idx
+ chan
, count
,
2312 stride
, true, true);
2314 tmp_vec
= LLVMBuildInsertElement(ctx
->ac
.builder
, tmp_vec
,
2315 value
, indir_index
, "");
2316 build_store_values_extended(&ctx
->ac
, ctx
->abi
->outputs
+ idx
+ chan
,
2317 count
, stride
, tmp_vec
);
2320 temp_ptr
= ctx
->abi
->outputs
[idx
+ chan
+ const_index
* stride
];
2322 LLVMBuildStore(ctx
->ac
.builder
, value
, temp_ptr
);
2326 case nir_var_function_temp
:
2327 for (unsigned chan
= 0; chan
< 8; chan
++) {
2328 if (!(writemask
& (1 << chan
)))
2331 value
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
);
2333 unsigned count
= glsl_count_attribute_slots(
2336 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
2337 &ctx
->ac
, ctx
->locals
+ idx
+ chan
, count
,
2340 tmp_vec
= LLVMBuildInsertElement(ctx
->ac
.builder
, tmp_vec
,
2341 value
, indir_index
, "");
2342 build_store_values_extended(&ctx
->ac
, ctx
->locals
+ idx
+ chan
,
2345 temp_ptr
= ctx
->locals
[idx
+ chan
+ const_index
* 4];
2347 LLVMBuildStore(ctx
->ac
.builder
, value
, temp_ptr
);
2352 case nir_var_mem_global
:
2353 case nir_var_mem_shared
: {
2354 int writemask
= instr
->const_index
[0];
2355 LLVMValueRef address
= get_src(ctx
, instr
->src
[0]);
2356 LLVMValueRef val
= get_src(ctx
, instr
->src
[1]);
2358 unsigned explicit_stride
= glsl_get_explicit_stride(deref
->type
);
2359 unsigned natural_stride
= type_scalar_size_bytes(deref
->type
);
2360 unsigned stride
= explicit_stride
? explicit_stride
: natural_stride
;
2362 LLVMTypeRef ptr_type
= LLVMPointerType(LLVMTypeOf(val
),
2363 LLVMGetPointerAddressSpace(LLVMTypeOf(address
)));
2364 address
= LLVMBuildBitCast(ctx
->ac
.builder
, address
, ptr_type
, "");
2366 if (writemask
== (1u << ac_get_llvm_num_components(val
)) - 1 &&
2367 stride
== natural_stride
) {
2368 LLVMTypeRef ptr_type
= LLVMPointerType(LLVMTypeOf(val
),
2369 LLVMGetPointerAddressSpace(LLVMTypeOf(address
)));
2370 address
= LLVMBuildBitCast(ctx
->ac
.builder
, address
, ptr_type
, "");
2372 val
= LLVMBuildBitCast(ctx
->ac
.builder
, val
,
2373 LLVMGetElementType(LLVMTypeOf(address
)), "");
2374 LLVMBuildStore(ctx
->ac
.builder
, val
, address
);
2376 LLVMTypeRef ptr_type
= LLVMPointerType(LLVMGetElementType(LLVMTypeOf(val
)),
2377 LLVMGetPointerAddressSpace(LLVMTypeOf(address
)));
2378 address
= LLVMBuildBitCast(ctx
->ac
.builder
, address
, ptr_type
, "");
2379 for (unsigned chan
= 0; chan
< 4; chan
++) {
2380 if (!(writemask
& (1 << chan
)))
2383 LLVMValueRef offset
= LLVMConstInt(ctx
->ac
.i32
, chan
* stride
/ natural_stride
, 0);
2385 LLVMValueRef ptr
= ac_build_gep_ptr(&ctx
->ac
, address
, offset
);
2386 LLVMValueRef src
= ac_llvm_extract_elem(&ctx
->ac
, val
,
2388 src
= LLVMBuildBitCast(ctx
->ac
.builder
, src
,
2389 LLVMGetElementType(LLVMTypeOf(ptr
)), "");
2390 LLVMBuildStore(ctx
->ac
.builder
, src
, ptr
);
2401 static int image_type_to_components_count(enum glsl_sampler_dim dim
, bool array
)
2404 case GLSL_SAMPLER_DIM_BUF
:
2406 case GLSL_SAMPLER_DIM_1D
:
2407 return array
? 2 : 1;
2408 case GLSL_SAMPLER_DIM_2D
:
2409 return array
? 3 : 2;
2410 case GLSL_SAMPLER_DIM_MS
:
2411 return array
? 4 : 3;
2412 case GLSL_SAMPLER_DIM_3D
:
2413 case GLSL_SAMPLER_DIM_CUBE
:
2415 case GLSL_SAMPLER_DIM_RECT
:
2416 case GLSL_SAMPLER_DIM_SUBPASS
:
2418 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
2426 static LLVMValueRef
adjust_sample_index_using_fmask(struct ac_llvm_context
*ctx
,
2427 LLVMValueRef coord_x
, LLVMValueRef coord_y
,
2428 LLVMValueRef coord_z
,
2429 LLVMValueRef sample_index
,
2430 LLVMValueRef fmask_desc_ptr
)
2432 unsigned sample_chan
= coord_z
? 3 : 2;
2433 LLVMValueRef addr
[4] = {coord_x
, coord_y
, coord_z
};
2434 addr
[sample_chan
] = sample_index
;
2436 ac_apply_fmask_to_sample(ctx
, fmask_desc_ptr
, addr
, coord_z
!= NULL
);
2437 return addr
[sample_chan
];
2440 static nir_deref_instr
*get_image_deref(const nir_intrinsic_instr
*instr
)
2442 assert(instr
->src
[0].is_ssa
);
2443 return nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
);
2446 static LLVMValueRef
get_image_descriptor(struct ac_nir_context
*ctx
,
2447 const nir_intrinsic_instr
*instr
,
2448 enum ac_descriptor_type desc_type
,
2451 nir_deref_instr
*deref_instr
=
2452 instr
->src
[0].ssa
->parent_instr
->type
== nir_instr_type_deref
?
2453 nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
) : NULL
;
2455 return get_sampler_desc(ctx
, deref_instr
, desc_type
, &instr
->instr
, true, write
);
2458 static void get_image_coords(struct ac_nir_context
*ctx
,
2459 const nir_intrinsic_instr
*instr
,
2460 struct ac_image_args
*args
,
2461 enum glsl_sampler_dim dim
,
2464 LLVMValueRef src0
= get_src(ctx
, instr
->src
[1]);
2465 LLVMValueRef masks
[] = {
2466 LLVMConstInt(ctx
->ac
.i32
, 0, false), LLVMConstInt(ctx
->ac
.i32
, 1, false),
2467 LLVMConstInt(ctx
->ac
.i32
, 2, false), LLVMConstInt(ctx
->ac
.i32
, 3, false),
2469 LLVMValueRef sample_index
= ac_llvm_extract_elem(&ctx
->ac
, get_src(ctx
, instr
->src
[2]), 0);
2472 ASSERTED
bool add_frag_pos
= (dim
== GLSL_SAMPLER_DIM_SUBPASS
||
2473 dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
2474 bool is_ms
= (dim
== GLSL_SAMPLER_DIM_MS
||
2475 dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
2476 bool gfx9_1d
= ctx
->ac
.chip_class
== GFX9
&& dim
== GLSL_SAMPLER_DIM_1D
;
2477 assert(!add_frag_pos
&& "Input attachments should be lowered by this point.");
2478 count
= image_type_to_components_count(dim
, is_array
);
2480 if (is_ms
&& (instr
->intrinsic
== nir_intrinsic_image_deref_load
||
2481 instr
->intrinsic
== nir_intrinsic_bindless_image_load
)) {
2482 LLVMValueRef fmask_load_address
[3];
2484 fmask_load_address
[0] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[0], "");
2485 fmask_load_address
[1] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[1], "");
2487 fmask_load_address
[2] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[2], "");
2489 fmask_load_address
[2] = NULL
;
2491 sample_index
= adjust_sample_index_using_fmask(&ctx
->ac
,
2492 fmask_load_address
[0],
2493 fmask_load_address
[1],
2494 fmask_load_address
[2],
2496 get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
),
2497 AC_DESC_FMASK
, &instr
->instr
, true, false));
2499 if (count
== 1 && !gfx9_1d
) {
2500 if (instr
->src
[1].ssa
->num_components
)
2501 args
->coords
[0] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[0], "");
2503 args
->coords
[0] = src0
;
2508 for (chan
= 0; chan
< count
; ++chan
) {
2509 args
->coords
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, src0
, chan
);
2514 args
->coords
[2] = args
->coords
[1];
2515 args
->coords
[1] = ctx
->ac
.i32_0
;
2517 args
->coords
[1] = ctx
->ac
.i32_0
;
2520 if (ctx
->ac
.chip_class
== GFX9
&&
2521 dim
== GLSL_SAMPLER_DIM_2D
&&
2523 /* The hw can't bind a slice of a 3D image as a 2D
2524 * image, because it ignores BASE_ARRAY if the target
2525 * is 3D. The workaround is to read BASE_ARRAY and set
2526 * it as the 3rd address operand for all 2D images.
2528 LLVMValueRef first_layer
, const5
, mask
;
2530 const5
= LLVMConstInt(ctx
->ac
.i32
, 5, 0);
2531 mask
= LLVMConstInt(ctx
->ac
.i32
, S_008F24_BASE_ARRAY(~0), 0);
2532 first_layer
= LLVMBuildExtractElement(ctx
->ac
.builder
, args
->resource
, const5
, "");
2533 first_layer
= LLVMBuildAnd(ctx
->ac
.builder
, first_layer
, mask
, "");
2535 args
->coords
[count
] = first_layer
;
2541 args
->coords
[count
] = sample_index
;
2547 static LLVMValueRef
get_image_buffer_descriptor(struct ac_nir_context
*ctx
,
2548 const nir_intrinsic_instr
*instr
,
2549 bool write
, bool atomic
)
2551 LLVMValueRef rsrc
= get_image_descriptor(ctx
, instr
, AC_DESC_BUFFER
, write
);
2552 if (ctx
->ac
.chip_class
== GFX9
&& LLVM_VERSION_MAJOR
< 9 && atomic
) {
2553 LLVMValueRef elem_count
= LLVMBuildExtractElement(ctx
->ac
.builder
, rsrc
, LLVMConstInt(ctx
->ac
.i32
, 2, 0), "");
2554 LLVMValueRef stride
= LLVMBuildExtractElement(ctx
->ac
.builder
, rsrc
, LLVMConstInt(ctx
->ac
.i32
, 1, 0), "");
2555 stride
= LLVMBuildLShr(ctx
->ac
.builder
, stride
, LLVMConstInt(ctx
->ac
.i32
, 16, 0), "");
2557 LLVMValueRef new_elem_count
= LLVMBuildSelect(ctx
->ac
.builder
,
2558 LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntUGT
, elem_count
, stride
, ""),
2559 elem_count
, stride
, "");
2561 rsrc
= LLVMBuildInsertElement(ctx
->ac
.builder
, rsrc
, new_elem_count
,
2562 LLVMConstInt(ctx
->ac
.i32
, 2, 0), "");
2567 static LLVMValueRef
visit_image_load(struct ac_nir_context
*ctx
,
2568 const nir_intrinsic_instr
*instr
,
2573 enum glsl_sampler_dim dim
;
2574 enum gl_access_qualifier access
;
2577 dim
= nir_intrinsic_image_dim(instr
);
2578 access
= nir_intrinsic_access(instr
);
2579 is_array
= nir_intrinsic_image_array(instr
);
2581 const nir_deref_instr
*image_deref
= get_image_deref(instr
);
2582 const struct glsl_type
*type
= image_deref
->type
;
2583 const nir_variable
*var
= nir_deref_instr_get_variable(image_deref
);
2584 dim
= glsl_get_sampler_dim(type
);
2585 access
= var
->data
.image
.access
;
2586 is_array
= glsl_sampler_type_is_array(type
);
2589 struct ac_image_args args
= {};
2591 args
.cache_policy
= get_cache_policy(ctx
, access
, false, false);
2593 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
2594 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
2595 unsigned num_channels
= util_last_bit(mask
);
2596 LLVMValueRef rsrc
, vindex
;
2598 rsrc
= get_image_buffer_descriptor(ctx
, instr
, false, false);
2599 vindex
= LLVMBuildExtractElement(ctx
->ac
.builder
, get_src(ctx
, instr
->src
[1]),
2602 bool can_speculate
= access
& ACCESS_CAN_REORDER
;
2603 res
= ac_build_buffer_load_format(&ctx
->ac
, rsrc
, vindex
,
2604 ctx
->ac
.i32_0
, num_channels
,
2607 res
= ac_build_expand_to_vec4(&ctx
->ac
, res
, num_channels
);
2609 res
= ac_trim_vector(&ctx
->ac
, res
, instr
->dest
.ssa
.num_components
);
2610 res
= ac_to_integer(&ctx
->ac
, res
);
2612 args
.opcode
= ac_image_load
;
2613 args
.resource
= get_image_descriptor(ctx
, instr
, AC_DESC_IMAGE
, false);
2614 get_image_coords(ctx
, instr
, &args
, dim
, is_array
);
2615 args
.dim
= get_ac_image_dim(&ctx
->ac
, dim
, is_array
);
2617 args
.attributes
= AC_FUNC_ATTR_READONLY
;
2619 res
= ac_build_image_opcode(&ctx
->ac
, &args
);
2624 static void visit_image_store(struct ac_nir_context
*ctx
,
2625 nir_intrinsic_instr
*instr
,
2630 enum glsl_sampler_dim dim
;
2631 enum gl_access_qualifier access
;
2634 dim
= nir_intrinsic_image_dim(instr
);
2635 access
= nir_intrinsic_access(instr
);
2636 is_array
= nir_intrinsic_image_array(instr
);
2638 const nir_deref_instr
*image_deref
= get_image_deref(instr
);
2639 const struct glsl_type
*type
= image_deref
->type
;
2640 const nir_variable
*var
= nir_deref_instr_get_variable(image_deref
);
2641 dim
= glsl_get_sampler_dim(type
);
2642 access
= var
->data
.image
.access
;
2643 is_array
= glsl_sampler_type_is_array(type
);
2646 bool writeonly_memory
= access
& ACCESS_NON_READABLE
;
2647 struct ac_image_args args
= {};
2649 args
.cache_policy
= get_cache_policy(ctx
, access
, true, writeonly_memory
);
2651 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
2652 LLVMValueRef rsrc
= get_image_buffer_descriptor(ctx
, instr
, true, false);
2653 LLVMValueRef src
= ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[3]));
2654 unsigned src_channels
= ac_get_llvm_num_components(src
);
2655 LLVMValueRef vindex
;
2657 if (src_channels
== 3)
2658 src
= ac_build_expand_to_vec4(&ctx
->ac
, src
, 3);
2660 vindex
= LLVMBuildExtractElement(ctx
->ac
.builder
,
2661 get_src(ctx
, instr
->src
[1]),
2664 ac_build_buffer_store_format(&ctx
->ac
, rsrc
, src
, vindex
,
2665 ctx
->ac
.i32_0
, src_channels
,
2668 args
.opcode
= ac_image_store
;
2669 args
.data
[0] = ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[3]));
2670 args
.resource
= get_image_descriptor(ctx
, instr
, AC_DESC_IMAGE
, true);
2671 get_image_coords(ctx
, instr
, &args
, dim
, is_array
);
2672 args
.dim
= get_ac_image_dim(&ctx
->ac
, dim
, is_array
);
2675 ac_build_image_opcode(&ctx
->ac
, &args
);
2680 static LLVMValueRef
visit_image_atomic(struct ac_nir_context
*ctx
,
2681 const nir_intrinsic_instr
*instr
,
2684 LLVMValueRef params
[7];
2685 int param_count
= 0;
2687 bool cmpswap
= instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
||
2688 instr
->intrinsic
== nir_intrinsic_bindless_image_atomic_comp_swap
;
2689 const char *atomic_name
;
2690 char intrinsic_name
[64];
2691 enum ac_atomic_op atomic_subop
;
2692 ASSERTED
int length
;
2694 enum glsl_sampler_dim dim
;
2697 if (instr
->intrinsic
== nir_intrinsic_bindless_image_atomic_imin
||
2698 instr
->intrinsic
== nir_intrinsic_bindless_image_atomic_umin
||
2699 instr
->intrinsic
== nir_intrinsic_bindless_image_atomic_imax
||
2700 instr
->intrinsic
== nir_intrinsic_bindless_image_atomic_umax
) {
2701 const GLenum format
= nir_intrinsic_format(instr
);
2702 assert(format
== GL_R32UI
|| format
== GL_R32I
);
2704 dim
= nir_intrinsic_image_dim(instr
);
2705 is_array
= nir_intrinsic_image_array(instr
);
2707 const struct glsl_type
*type
= get_image_deref(instr
)->type
;
2708 dim
= glsl_get_sampler_dim(type
);
2709 is_array
= glsl_sampler_type_is_array(type
);
2712 switch (instr
->intrinsic
) {
2713 case nir_intrinsic_bindless_image_atomic_add
:
2714 case nir_intrinsic_image_deref_atomic_add
:
2715 atomic_name
= "add";
2716 atomic_subop
= ac_atomic_add
;
2718 case nir_intrinsic_bindless_image_atomic_imin
:
2719 case nir_intrinsic_image_deref_atomic_imin
:
2720 atomic_name
= "smin";
2721 atomic_subop
= ac_atomic_smin
;
2723 case nir_intrinsic_bindless_image_atomic_umin
:
2724 case nir_intrinsic_image_deref_atomic_umin
:
2725 atomic_name
= "umin";
2726 atomic_subop
= ac_atomic_umin
;
2728 case nir_intrinsic_bindless_image_atomic_imax
:
2729 case nir_intrinsic_image_deref_atomic_imax
:
2730 atomic_name
= "smax";
2731 atomic_subop
= ac_atomic_smax
;
2733 case nir_intrinsic_bindless_image_atomic_umax
:
2734 case nir_intrinsic_image_deref_atomic_umax
:
2735 atomic_name
= "umax";
2736 atomic_subop
= ac_atomic_umax
;
2738 case nir_intrinsic_bindless_image_atomic_and
:
2739 case nir_intrinsic_image_deref_atomic_and
:
2740 atomic_name
= "and";
2741 atomic_subop
= ac_atomic_and
;
2743 case nir_intrinsic_bindless_image_atomic_or
:
2744 case nir_intrinsic_image_deref_atomic_or
:
2746 atomic_subop
= ac_atomic_or
;
2748 case nir_intrinsic_bindless_image_atomic_xor
:
2749 case nir_intrinsic_image_deref_atomic_xor
:
2750 atomic_name
= "xor";
2751 atomic_subop
= ac_atomic_xor
;
2753 case nir_intrinsic_bindless_image_atomic_exchange
:
2754 case nir_intrinsic_image_deref_atomic_exchange
:
2755 atomic_name
= "swap";
2756 atomic_subop
= ac_atomic_swap
;
2758 case nir_intrinsic_bindless_image_atomic_comp_swap
:
2759 case nir_intrinsic_image_deref_atomic_comp_swap
:
2760 atomic_name
= "cmpswap";
2761 atomic_subop
= 0; /* not used */
2763 case nir_intrinsic_bindless_image_atomic_inc_wrap
:
2764 case nir_intrinsic_image_deref_atomic_inc_wrap
: {
2765 atomic_name
= "inc";
2766 atomic_subop
= ac_atomic_inc_wrap
;
2767 /* ATOMIC_INC instruction does:
2768 * value = (value + 1) % (data + 1)
2770 * value = (value + 1) % data
2771 * So replace 'data' by 'data - 1'.
2773 ctx
->ssa_defs
[instr
->src
[3].ssa
->index
] =
2774 LLVMBuildSub(ctx
->ac
.builder
,
2775 ctx
->ssa_defs
[instr
->src
[3].ssa
->index
],
2779 case nir_intrinsic_bindless_image_atomic_dec_wrap
:
2780 case nir_intrinsic_image_deref_atomic_dec_wrap
:
2781 atomic_name
= "dec";
2782 atomic_subop
= ac_atomic_dec_wrap
;
2789 params
[param_count
++] = get_src(ctx
, instr
->src
[4]);
2790 params
[param_count
++] = get_src(ctx
, instr
->src
[3]);
2792 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
2793 params
[param_count
++] = get_image_buffer_descriptor(ctx
, instr
, true, true);
2794 params
[param_count
++] = LLVMBuildExtractElement(ctx
->ac
.builder
, get_src(ctx
, instr
->src
[1]),
2795 ctx
->ac
.i32_0
, ""); /* vindex */
2796 params
[param_count
++] = ctx
->ac
.i32_0
; /* voffset */
2797 if (LLVM_VERSION_MAJOR
>= 9) {
2798 /* XXX: The new raw/struct atomic intrinsics are buggy
2799 * with LLVM 8, see r358579.
2801 params
[param_count
++] = ctx
->ac
.i32_0
; /* soffset */
2802 params
[param_count
++] = ctx
->ac
.i32_0
; /* slc */
2804 length
= snprintf(intrinsic_name
, sizeof(intrinsic_name
),
2805 "llvm.amdgcn.struct.buffer.atomic.%s.i32", atomic_name
);
2807 params
[param_count
++] = ctx
->ac
.i1false
; /* slc */
2809 length
= snprintf(intrinsic_name
, sizeof(intrinsic_name
),
2810 "llvm.amdgcn.buffer.atomic.%s", atomic_name
);
2813 assert(length
< sizeof(intrinsic_name
));
2814 return ac_build_intrinsic(&ctx
->ac
, intrinsic_name
, ctx
->ac
.i32
,
2815 params
, param_count
, 0);
2817 struct ac_image_args args
= {};
2818 args
.opcode
= cmpswap
? ac_image_atomic_cmpswap
: ac_image_atomic
;
2819 args
.atomic
= atomic_subop
;
2820 args
.data
[0] = params
[0];
2822 args
.data
[1] = params
[1];
2823 args
.resource
= get_image_descriptor(ctx
, instr
, AC_DESC_IMAGE
, true);
2824 get_image_coords(ctx
, instr
, &args
, dim
, is_array
);
2825 args
.dim
= get_ac_image_dim(&ctx
->ac
, dim
, is_array
);
2827 return ac_build_image_opcode(&ctx
->ac
, &args
);
2831 static LLVMValueRef
visit_image_samples(struct ac_nir_context
*ctx
,
2832 const nir_intrinsic_instr
*instr
,
2835 enum glsl_sampler_dim dim
;
2838 dim
= nir_intrinsic_image_dim(instr
);
2839 is_array
= nir_intrinsic_image_array(instr
);
2841 const struct glsl_type
*type
= get_image_deref(instr
)->type
;
2842 dim
= glsl_get_sampler_dim(type
);
2843 is_array
= glsl_sampler_type_is_array(type
);
2846 struct ac_image_args args
= { 0 };
2847 args
.dim
= get_ac_sampler_dim(&ctx
->ac
, dim
, is_array
);
2849 args
.resource
= get_image_descriptor(ctx
, instr
, AC_DESC_IMAGE
, false);
2850 args
.opcode
= ac_image_get_resinfo
;
2851 args
.lod
= ctx
->ac
.i32_0
;
2852 args
.attributes
= AC_FUNC_ATTR_READNONE
;
2854 return ac_build_image_opcode(&ctx
->ac
, &args
);
2857 static LLVMValueRef
visit_image_size(struct ac_nir_context
*ctx
,
2858 const nir_intrinsic_instr
*instr
,
2863 enum glsl_sampler_dim dim
;
2866 dim
= nir_intrinsic_image_dim(instr
);
2867 is_array
= nir_intrinsic_image_array(instr
);
2869 const struct glsl_type
*type
= get_image_deref(instr
)->type
;
2870 dim
= glsl_get_sampler_dim(type
);
2871 is_array
= glsl_sampler_type_is_array(type
);
2874 if (dim
== GLSL_SAMPLER_DIM_BUF
)
2875 return get_buffer_size(ctx
, get_image_descriptor(ctx
, instr
, AC_DESC_BUFFER
, false), true);
2877 struct ac_image_args args
= { 0 };
2879 args
.dim
= get_ac_image_dim(&ctx
->ac
, dim
, is_array
);
2881 args
.resource
= get_image_descriptor(ctx
, instr
, AC_DESC_IMAGE
, false);
2882 args
.opcode
= ac_image_get_resinfo
;
2883 args
.lod
= ctx
->ac
.i32_0
;
2884 args
.attributes
= AC_FUNC_ATTR_READNONE
;
2886 res
= ac_build_image_opcode(&ctx
->ac
, &args
);
2888 LLVMValueRef two
= LLVMConstInt(ctx
->ac
.i32
, 2, false);
2890 if (dim
== GLSL_SAMPLER_DIM_CUBE
&& is_array
) {
2891 LLVMValueRef six
= LLVMConstInt(ctx
->ac
.i32
, 6, false);
2892 LLVMValueRef z
= LLVMBuildExtractElement(ctx
->ac
.builder
, res
, two
, "");
2893 z
= LLVMBuildSDiv(ctx
->ac
.builder
, z
, six
, "");
2894 res
= LLVMBuildInsertElement(ctx
->ac
.builder
, res
, z
, two
, "");
2896 if (ctx
->ac
.chip_class
== GFX9
&& dim
== GLSL_SAMPLER_DIM_1D
&& is_array
) {
2897 LLVMValueRef layers
= LLVMBuildExtractElement(ctx
->ac
.builder
, res
, two
, "");
2898 res
= LLVMBuildInsertElement(ctx
->ac
.builder
, res
, layers
,
2905 static void emit_membar(struct ac_llvm_context
*ac
,
2906 const nir_intrinsic_instr
*instr
)
2908 unsigned wait_flags
= 0;
2910 switch (instr
->intrinsic
) {
2911 case nir_intrinsic_memory_barrier
:
2912 case nir_intrinsic_group_memory_barrier
:
2913 wait_flags
= AC_WAIT_LGKM
| AC_WAIT_VLOAD
| AC_WAIT_VSTORE
;
2915 case nir_intrinsic_memory_barrier_atomic_counter
:
2916 case nir_intrinsic_memory_barrier_buffer
:
2917 case nir_intrinsic_memory_barrier_image
:
2918 wait_flags
= AC_WAIT_VLOAD
| AC_WAIT_VSTORE
;
2920 case nir_intrinsic_memory_barrier_shared
:
2921 wait_flags
= AC_WAIT_LGKM
;
2927 ac_build_waitcnt(ac
, wait_flags
);
2930 void ac_emit_barrier(struct ac_llvm_context
*ac
, gl_shader_stage stage
)
2932 /* GFX6 only (thanks to a hw bug workaround):
2933 * The real barrier instruction isn’t needed, because an entire patch
2934 * always fits into a single wave.
2936 if (ac
->chip_class
== GFX6
&& stage
== MESA_SHADER_TESS_CTRL
) {
2937 ac_build_waitcnt(ac
, AC_WAIT_LGKM
| AC_WAIT_VLOAD
| AC_WAIT_VSTORE
);
2940 ac_build_s_barrier(ac
);
2943 static void emit_discard(struct ac_nir_context
*ctx
,
2944 const nir_intrinsic_instr
*instr
)
2948 if (instr
->intrinsic
== nir_intrinsic_discard_if
) {
2949 cond
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
,
2950 get_src(ctx
, instr
->src
[0]),
2953 assert(instr
->intrinsic
== nir_intrinsic_discard
);
2954 cond
= ctx
->ac
.i1false
;
2957 ctx
->abi
->emit_kill(ctx
->abi
, cond
);
2961 visit_load_local_invocation_index(struct ac_nir_context
*ctx
)
2963 LLVMValueRef result
;
2964 LLVMValueRef thread_id
= ac_get_thread_id(&ctx
->ac
);
2965 result
= LLVMBuildAnd(ctx
->ac
.builder
, ctx
->abi
->tg_size
,
2966 LLVMConstInt(ctx
->ac
.i32
, 0xfc0, false), "");
2968 return LLVMBuildAdd(ctx
->ac
.builder
, result
, thread_id
, "");
2972 visit_load_subgroup_id(struct ac_nir_context
*ctx
)
2974 if (ctx
->stage
== MESA_SHADER_COMPUTE
) {
2975 LLVMValueRef result
;
2976 result
= LLVMBuildAnd(ctx
->ac
.builder
, ctx
->abi
->tg_size
,
2977 LLVMConstInt(ctx
->ac
.i32
, 0xfc0, false), "");
2978 return LLVMBuildLShr(ctx
->ac
.builder
, result
, LLVMConstInt(ctx
->ac
.i32
, 6, false), "");
2980 return LLVMConstInt(ctx
->ac
.i32
, 0, false);
2985 visit_load_num_subgroups(struct ac_nir_context
*ctx
)
2987 if (ctx
->stage
== MESA_SHADER_COMPUTE
) {
2988 return LLVMBuildAnd(ctx
->ac
.builder
, ctx
->abi
->tg_size
,
2989 LLVMConstInt(ctx
->ac
.i32
, 0x3f, false), "");
2991 return LLVMConstInt(ctx
->ac
.i32
, 1, false);
2996 visit_first_invocation(struct ac_nir_context
*ctx
)
2998 LLVMValueRef active_set
= ac_build_ballot(&ctx
->ac
, ctx
->ac
.i32_1
);
2999 const char *intr
= ctx
->ac
.wave_size
== 32 ? "llvm.cttz.i32" : "llvm.cttz.i64";
3001 /* The second argument is whether cttz(0) should be defined, but we do not care. */
3002 LLVMValueRef args
[] = {active_set
, ctx
->ac
.i1false
};
3003 LLVMValueRef result
= ac_build_intrinsic(&ctx
->ac
, intr
,
3004 ctx
->ac
.iN_wavemask
, args
, 2,
3005 AC_FUNC_ATTR_NOUNWIND
|
3006 AC_FUNC_ATTR_READNONE
);
3008 return LLVMBuildTrunc(ctx
->ac
.builder
, result
, ctx
->ac
.i32
, "");
3012 visit_load_shared(struct ac_nir_context
*ctx
,
3013 const nir_intrinsic_instr
*instr
)
3015 LLVMValueRef values
[4], derived_ptr
, index
, ret
;
3017 LLVMValueRef ptr
= get_memory_ptr(ctx
, instr
->src
[0]);
3019 for (int chan
= 0; chan
< instr
->num_components
; chan
++) {
3020 index
= LLVMConstInt(ctx
->ac
.i32
, chan
, 0);
3021 derived_ptr
= LLVMBuildGEP(ctx
->ac
.builder
, ptr
, &index
, 1, "");
3022 values
[chan
] = LLVMBuildLoad(ctx
->ac
.builder
, derived_ptr
, "");
3025 ret
= ac_build_gather_values(&ctx
->ac
, values
, instr
->num_components
);
3026 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
, get_def_type(ctx
, &instr
->dest
.ssa
), "");
3030 visit_store_shared(struct ac_nir_context
*ctx
,
3031 const nir_intrinsic_instr
*instr
)
3033 LLVMValueRef derived_ptr
, data
,index
;
3034 LLVMBuilderRef builder
= ctx
->ac
.builder
;
3036 LLVMValueRef ptr
= get_memory_ptr(ctx
, instr
->src
[1]);
3037 LLVMValueRef src
= get_src(ctx
, instr
->src
[0]);
3039 int writemask
= nir_intrinsic_write_mask(instr
);
3040 for (int chan
= 0; chan
< 4; chan
++) {
3041 if (!(writemask
& (1 << chan
))) {
3044 data
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
);
3045 index
= LLVMConstInt(ctx
->ac
.i32
, chan
, 0);
3046 derived_ptr
= LLVMBuildGEP(builder
, ptr
, &index
, 1, "");
3047 LLVMBuildStore(builder
, data
, derived_ptr
);
3051 static LLVMValueRef
visit_var_atomic(struct ac_nir_context
*ctx
,
3052 const nir_intrinsic_instr
*instr
,
3053 LLVMValueRef ptr
, int src_idx
)
3055 LLVMValueRef result
;
3056 LLVMValueRef src
= get_src(ctx
, instr
->src
[src_idx
]);
3058 const char *sync_scope
= LLVM_VERSION_MAJOR
>= 9 ? "workgroup-one-as" : "workgroup";
3060 if (instr
->intrinsic
== nir_intrinsic_shared_atomic_comp_swap
||
3061 instr
->intrinsic
== nir_intrinsic_deref_atomic_comp_swap
) {
3062 LLVMValueRef src1
= get_src(ctx
, instr
->src
[src_idx
+ 1]);
3063 result
= ac_build_atomic_cmp_xchg(&ctx
->ac
, ptr
, src
, src1
, sync_scope
);
3064 result
= LLVMBuildExtractValue(ctx
->ac
.builder
, result
, 0, "");
3066 LLVMAtomicRMWBinOp op
;
3067 switch (instr
->intrinsic
) {
3068 case nir_intrinsic_shared_atomic_add
:
3069 case nir_intrinsic_deref_atomic_add
:
3070 op
= LLVMAtomicRMWBinOpAdd
;
3072 case nir_intrinsic_shared_atomic_umin
:
3073 case nir_intrinsic_deref_atomic_umin
:
3074 op
= LLVMAtomicRMWBinOpUMin
;
3076 case nir_intrinsic_shared_atomic_umax
:
3077 case nir_intrinsic_deref_atomic_umax
:
3078 op
= LLVMAtomicRMWBinOpUMax
;
3080 case nir_intrinsic_shared_atomic_imin
:
3081 case nir_intrinsic_deref_atomic_imin
:
3082 op
= LLVMAtomicRMWBinOpMin
;
3084 case nir_intrinsic_shared_atomic_imax
:
3085 case nir_intrinsic_deref_atomic_imax
:
3086 op
= LLVMAtomicRMWBinOpMax
;
3088 case nir_intrinsic_shared_atomic_and
:
3089 case nir_intrinsic_deref_atomic_and
:
3090 op
= LLVMAtomicRMWBinOpAnd
;
3092 case nir_intrinsic_shared_atomic_or
:
3093 case nir_intrinsic_deref_atomic_or
:
3094 op
= LLVMAtomicRMWBinOpOr
;
3096 case nir_intrinsic_shared_atomic_xor
:
3097 case nir_intrinsic_deref_atomic_xor
:
3098 op
= LLVMAtomicRMWBinOpXor
;
3100 case nir_intrinsic_shared_atomic_exchange
:
3101 case nir_intrinsic_deref_atomic_exchange
:
3102 op
= LLVMAtomicRMWBinOpXchg
;
3108 result
= ac_build_atomic_rmw(&ctx
->ac
, op
, ptr
, ac_to_integer(&ctx
->ac
, src
), sync_scope
);
3113 static LLVMValueRef
load_sample_pos(struct ac_nir_context
*ctx
)
3115 LLVMValueRef values
[2];
3116 LLVMValueRef pos
[2];
3118 pos
[0] = ac_to_float(&ctx
->ac
, ctx
->abi
->frag_pos
[0]);
3119 pos
[1] = ac_to_float(&ctx
->ac
, ctx
->abi
->frag_pos
[1]);
3121 values
[0] = ac_build_fract(&ctx
->ac
, pos
[0], 32);
3122 values
[1] = ac_build_fract(&ctx
->ac
, pos
[1], 32);
3123 return ac_build_gather_values(&ctx
->ac
, values
, 2);
3126 static LLVMValueRef
lookup_interp_param(struct ac_nir_context
*ctx
,
3127 enum glsl_interp_mode interp
, unsigned location
)
3130 case INTERP_MODE_FLAT
:
3133 case INTERP_MODE_SMOOTH
:
3134 case INTERP_MODE_NONE
:
3135 if (location
== INTERP_CENTER
)
3136 return ctx
->abi
->persp_center
;
3137 else if (location
== INTERP_CENTROID
)
3138 return ctx
->abi
->persp_centroid
;
3139 else if (location
== INTERP_SAMPLE
)
3140 return ctx
->abi
->persp_sample
;
3142 case INTERP_MODE_NOPERSPECTIVE
:
3143 if (location
== INTERP_CENTER
)
3144 return ctx
->abi
->linear_center
;
3145 else if (location
== INTERP_CENTROID
)
3146 return ctx
->abi
->linear_centroid
;
3147 else if (location
== INTERP_SAMPLE
)
3148 return ctx
->abi
->linear_sample
;
3154 static LLVMValueRef
barycentric_center(struct ac_nir_context
*ctx
,
3157 LLVMValueRef interp_param
= lookup_interp_param(ctx
, mode
, INTERP_CENTER
);
3158 return LLVMBuildBitCast(ctx
->ac
.builder
, interp_param
, ctx
->ac
.v2i32
, "");
3161 static LLVMValueRef
barycentric_offset(struct ac_nir_context
*ctx
,
3163 LLVMValueRef offset
)
3165 LLVMValueRef interp_param
= lookup_interp_param(ctx
, mode
, INTERP_CENTER
);
3166 LLVMValueRef src_c0
= ac_to_float(&ctx
->ac
, LLVMBuildExtractElement(ctx
->ac
.builder
, offset
, ctx
->ac
.i32_0
, ""));
3167 LLVMValueRef src_c1
= ac_to_float(&ctx
->ac
, LLVMBuildExtractElement(ctx
->ac
.builder
, offset
, ctx
->ac
.i32_1
, ""));
3169 LLVMValueRef ij_out
[2];
3170 LLVMValueRef ddxy_out
= ac_build_ddxy_interp(&ctx
->ac
, interp_param
);
3173 * take the I then J parameters, and the DDX/Y for it, and
3174 * calculate the IJ inputs for the interpolator.
3175 * temp1 = ddx * offset/sample.x + I;
3176 * interp_param.I = ddy * offset/sample.y + temp1;
3177 * temp1 = ddx * offset/sample.x + J;
3178 * interp_param.J = ddy * offset/sample.y + temp1;
3180 for (unsigned i
= 0; i
< 2; i
++) {
3181 LLVMValueRef ix_ll
= LLVMConstInt(ctx
->ac
.i32
, i
, false);
3182 LLVMValueRef iy_ll
= LLVMConstInt(ctx
->ac
.i32
, i
+ 2, false);
3183 LLVMValueRef ddx_el
= LLVMBuildExtractElement(ctx
->ac
.builder
,
3184 ddxy_out
, ix_ll
, "");
3185 LLVMValueRef ddy_el
= LLVMBuildExtractElement(ctx
->ac
.builder
,
3186 ddxy_out
, iy_ll
, "");
3187 LLVMValueRef interp_el
= LLVMBuildExtractElement(ctx
->ac
.builder
,
3188 interp_param
, ix_ll
, "");
3189 LLVMValueRef temp1
, temp2
;
3191 interp_el
= LLVMBuildBitCast(ctx
->ac
.builder
, interp_el
,
3194 temp1
= ac_build_fmad(&ctx
->ac
, ddx_el
, src_c0
, interp_el
);
3195 temp2
= ac_build_fmad(&ctx
->ac
, ddy_el
, src_c1
, temp1
);
3197 ij_out
[i
] = LLVMBuildBitCast(ctx
->ac
.builder
,
3198 temp2
, ctx
->ac
.i32
, "");
3200 interp_param
= ac_build_gather_values(&ctx
->ac
, ij_out
, 2);
3201 return LLVMBuildBitCast(ctx
->ac
.builder
, interp_param
, ctx
->ac
.v2i32
, "");
3204 static LLVMValueRef
barycentric_centroid(struct ac_nir_context
*ctx
,
3207 LLVMValueRef interp_param
= lookup_interp_param(ctx
, mode
, INTERP_CENTROID
);
3208 return LLVMBuildBitCast(ctx
->ac
.builder
, interp_param
, ctx
->ac
.v2i32
, "");
3211 static LLVMValueRef
barycentric_at_sample(struct ac_nir_context
*ctx
,
3213 LLVMValueRef sample_id
)
3215 if (ctx
->abi
->interp_at_sample_force_center
)
3216 return barycentric_center(ctx
, mode
);
3218 LLVMValueRef halfval
= LLVMConstReal(ctx
->ac
.f32
, 0.5f
);
3220 /* fetch sample ID */
3221 LLVMValueRef sample_pos
= ctx
->abi
->load_sample_position(ctx
->abi
, sample_id
);
3223 LLVMValueRef src_c0
= LLVMBuildExtractElement(ctx
->ac
.builder
, sample_pos
, ctx
->ac
.i32_0
, "");
3224 src_c0
= LLVMBuildFSub(ctx
->ac
.builder
, src_c0
, halfval
, "");
3225 LLVMValueRef src_c1
= LLVMBuildExtractElement(ctx
->ac
.builder
, sample_pos
, ctx
->ac
.i32_1
, "");
3226 src_c1
= LLVMBuildFSub(ctx
->ac
.builder
, src_c1
, halfval
, "");
3227 LLVMValueRef coords
[] = { src_c0
, src_c1
};
3228 LLVMValueRef offset
= ac_build_gather_values(&ctx
->ac
, coords
, 2);
3230 return barycentric_offset(ctx
, mode
, offset
);
3234 static LLVMValueRef
barycentric_sample(struct ac_nir_context
*ctx
,
3237 LLVMValueRef interp_param
= lookup_interp_param(ctx
, mode
, INTERP_SAMPLE
);
3238 return LLVMBuildBitCast(ctx
->ac
.builder
, interp_param
, ctx
->ac
.v2i32
, "");
3241 static LLVMValueRef
load_interpolated_input(struct ac_nir_context
*ctx
,
3242 LLVMValueRef interp_param
,
3243 unsigned index
, unsigned comp_start
,
3244 unsigned num_components
,
3247 LLVMValueRef attr_number
= LLVMConstInt(ctx
->ac
.i32
, index
, false);
3249 interp_param
= LLVMBuildBitCast(ctx
->ac
.builder
,
3250 interp_param
, ctx
->ac
.v2f32
, "");
3251 LLVMValueRef i
= LLVMBuildExtractElement(
3252 ctx
->ac
.builder
, interp_param
, ctx
->ac
.i32_0
, "");
3253 LLVMValueRef j
= LLVMBuildExtractElement(
3254 ctx
->ac
.builder
, interp_param
, ctx
->ac
.i32_1
, "");
3256 LLVMValueRef values
[4];
3257 assert(bitsize
== 16 || bitsize
== 32);
3258 for (unsigned comp
= 0; comp
< num_components
; comp
++) {
3259 LLVMValueRef llvm_chan
= LLVMConstInt(ctx
->ac
.i32
, comp_start
+ comp
, false);
3260 if (bitsize
== 16) {
3261 values
[comp
] = ac_build_fs_interp_f16(&ctx
->ac
, llvm_chan
, attr_number
,
3262 ctx
->abi
->prim_mask
, i
, j
);
3264 values
[comp
] = ac_build_fs_interp(&ctx
->ac
, llvm_chan
, attr_number
,
3265 ctx
->abi
->prim_mask
, i
, j
);
3269 return ac_to_integer(&ctx
->ac
, ac_build_gather_values(&ctx
->ac
, values
, num_components
));
3272 static LLVMValueRef
load_flat_input(struct ac_nir_context
*ctx
,
3273 unsigned index
, unsigned comp_start
,
3274 unsigned num_components
,
3277 LLVMValueRef attr_number
= LLVMConstInt(ctx
->ac
.i32
, index
, false);
3279 LLVMValueRef values
[8];
3281 /* Each component of a 64-bit value takes up two GL-level channels. */
3283 bit_size
== 64 ? num_components
* 2 : num_components
;
3285 for (unsigned chan
= 0; chan
< channels
; chan
++) {
3286 if (comp_start
+ chan
> 4)
3287 attr_number
= LLVMConstInt(ctx
->ac
.i32
, index
+ 1, false);
3288 LLVMValueRef llvm_chan
= LLVMConstInt(ctx
->ac
.i32
, (comp_start
+ chan
) % 4, false);
3289 values
[chan
] = ac_build_fs_interp_mov(&ctx
->ac
,
3290 LLVMConstInt(ctx
->ac
.i32
, 2, false),
3293 ctx
->abi
->prim_mask
);
3294 values
[chan
] = LLVMBuildBitCast(ctx
->ac
.builder
, values
[chan
], ctx
->ac
.i32
, "");
3295 values
[chan
] = LLVMBuildTruncOrBitCast(ctx
->ac
.builder
, values
[chan
],
3296 bit_size
== 16 ? ctx
->ac
.i16
: ctx
->ac
.i32
, "");
3299 LLVMValueRef result
= ac_build_gather_values(&ctx
->ac
, values
, channels
);
3300 if (bit_size
== 64) {
3301 LLVMTypeRef type
= num_components
== 1 ? ctx
->ac
.i64
:
3302 LLVMVectorType(ctx
->ac
.i64
, num_components
);
3303 result
= LLVMBuildBitCast(ctx
->ac
.builder
, result
, type
, "");
3308 static void visit_intrinsic(struct ac_nir_context
*ctx
,
3309 nir_intrinsic_instr
*instr
)
3311 LLVMValueRef result
= NULL
;
3313 switch (instr
->intrinsic
) {
3314 case nir_intrinsic_ballot
:
3315 result
= ac_build_ballot(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
3316 if (ctx
->ac
.ballot_mask_bits
> ctx
->ac
.wave_size
)
3317 result
= LLVMBuildZExt(ctx
->ac
.builder
, result
, ctx
->ac
.iN_ballotmask
, "");
3319 case nir_intrinsic_read_invocation
:
3320 result
= ac_build_readlane(&ctx
->ac
, get_src(ctx
, instr
->src
[0]),
3321 get_src(ctx
, instr
->src
[1]));
3323 case nir_intrinsic_read_first_invocation
:
3324 result
= ac_build_readlane(&ctx
->ac
, get_src(ctx
, instr
->src
[0]), NULL
);
3326 case nir_intrinsic_load_subgroup_invocation
:
3327 result
= ac_get_thread_id(&ctx
->ac
);
3329 case nir_intrinsic_load_work_group_id
: {
3330 LLVMValueRef values
[3];
3332 for (int i
= 0; i
< 3; i
++) {
3333 values
[i
] = ctx
->abi
->workgroup_ids
[i
] ?
3334 ctx
->abi
->workgroup_ids
[i
] : ctx
->ac
.i32_0
;
3337 result
= ac_build_gather_values(&ctx
->ac
, values
, 3);
3340 case nir_intrinsic_load_base_vertex
:
3341 case nir_intrinsic_load_first_vertex
:
3342 result
= ctx
->abi
->load_base_vertex(ctx
->abi
);
3344 case nir_intrinsic_load_local_group_size
:
3345 result
= ctx
->abi
->load_local_group_size(ctx
->abi
);
3347 case nir_intrinsic_load_vertex_id
:
3348 result
= LLVMBuildAdd(ctx
->ac
.builder
, ctx
->abi
->vertex_id
,
3349 ctx
->abi
->base_vertex
, "");
3351 case nir_intrinsic_load_vertex_id_zero_base
: {
3352 result
= ctx
->abi
->vertex_id
;
3355 case nir_intrinsic_load_local_invocation_id
: {
3356 result
= ctx
->abi
->local_invocation_ids
;
3359 case nir_intrinsic_load_base_instance
:
3360 result
= ctx
->abi
->start_instance
;
3362 case nir_intrinsic_load_draw_id
:
3363 result
= ctx
->abi
->draw_id
;
3365 case nir_intrinsic_load_view_index
:
3366 result
= ctx
->abi
->view_index
;
3368 case nir_intrinsic_load_invocation_id
:
3369 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
3370 result
= ac_unpack_param(&ctx
->ac
, ctx
->abi
->tcs_rel_ids
, 8, 5);
3372 if (ctx
->ac
.chip_class
>= GFX10
) {
3373 result
= LLVMBuildAnd(ctx
->ac
.builder
,
3374 ctx
->abi
->gs_invocation_id
,
3375 LLVMConstInt(ctx
->ac
.i32
, 127, 0), "");
3377 result
= ctx
->abi
->gs_invocation_id
;
3381 case nir_intrinsic_load_primitive_id
:
3382 if (ctx
->stage
== MESA_SHADER_GEOMETRY
) {
3383 result
= ctx
->abi
->gs_prim_id
;
3384 } else if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
3385 result
= ctx
->abi
->tcs_patch_id
;
3386 } else if (ctx
->stage
== MESA_SHADER_TESS_EVAL
) {
3387 result
= ctx
->abi
->tes_patch_id
;
3389 fprintf(stderr
, "Unknown primitive id intrinsic: %d", ctx
->stage
);
3391 case nir_intrinsic_load_sample_id
:
3392 result
= ac_unpack_param(&ctx
->ac
, ctx
->abi
->ancillary
, 8, 4);
3394 case nir_intrinsic_load_sample_pos
:
3395 result
= load_sample_pos(ctx
);
3397 case nir_intrinsic_load_sample_mask_in
:
3398 result
= ctx
->abi
->load_sample_mask_in(ctx
->abi
);
3400 case nir_intrinsic_load_frag_coord
: {
3401 LLVMValueRef values
[4] = {
3402 ctx
->abi
->frag_pos
[0],
3403 ctx
->abi
->frag_pos
[1],
3404 ctx
->abi
->frag_pos
[2],
3405 ac_build_fdiv(&ctx
->ac
, ctx
->ac
.f32_1
, ctx
->abi
->frag_pos
[3])
3407 result
= ac_to_integer(&ctx
->ac
,
3408 ac_build_gather_values(&ctx
->ac
, values
, 4));
3411 case nir_intrinsic_load_layer_id
:
3412 result
= ctx
->abi
->inputs
[ac_llvm_reg_index_soa(VARYING_SLOT_LAYER
, 0)];
3414 case nir_intrinsic_load_front_face
:
3415 result
= ctx
->abi
->front_face
;
3417 case nir_intrinsic_load_helper_invocation
:
3418 result
= ac_build_load_helper_invocation(&ctx
->ac
);
3420 case nir_intrinsic_load_color0
:
3421 result
= ctx
->abi
->color0
;
3423 case nir_intrinsic_load_color1
:
3424 result
= ctx
->abi
->color1
;
3426 case nir_intrinsic_load_user_data_amd
:
3427 assert(LLVMTypeOf(ctx
->abi
->user_data
) == ctx
->ac
.v4i32
);
3428 result
= ctx
->abi
->user_data
;
3430 case nir_intrinsic_load_instance_id
:
3431 result
= ctx
->abi
->instance_id
;
3433 case nir_intrinsic_load_num_work_groups
:
3434 result
= ctx
->abi
->num_work_groups
;
3436 case nir_intrinsic_load_local_invocation_index
:
3437 result
= visit_load_local_invocation_index(ctx
);
3439 case nir_intrinsic_load_subgroup_id
:
3440 result
= visit_load_subgroup_id(ctx
);
3442 case nir_intrinsic_load_num_subgroups
:
3443 result
= visit_load_num_subgroups(ctx
);
3445 case nir_intrinsic_first_invocation
:
3446 result
= visit_first_invocation(ctx
);
3448 case nir_intrinsic_load_push_constant
:
3449 result
= visit_load_push_constant(ctx
, instr
);
3451 case nir_intrinsic_vulkan_resource_index
: {
3452 LLVMValueRef index
= get_src(ctx
, instr
->src
[0]);
3453 unsigned desc_set
= nir_intrinsic_desc_set(instr
);
3454 unsigned binding
= nir_intrinsic_binding(instr
);
3456 result
= ctx
->abi
->load_resource(ctx
->abi
, index
, desc_set
,
3460 case nir_intrinsic_vulkan_resource_reindex
:
3461 result
= visit_vulkan_resource_reindex(ctx
, instr
);
3463 case nir_intrinsic_store_ssbo
:
3464 visit_store_ssbo(ctx
, instr
);
3466 case nir_intrinsic_load_ssbo
:
3467 result
= visit_load_buffer(ctx
, instr
);
3469 case nir_intrinsic_ssbo_atomic_add
:
3470 case nir_intrinsic_ssbo_atomic_imin
:
3471 case nir_intrinsic_ssbo_atomic_umin
:
3472 case nir_intrinsic_ssbo_atomic_imax
:
3473 case nir_intrinsic_ssbo_atomic_umax
:
3474 case nir_intrinsic_ssbo_atomic_and
:
3475 case nir_intrinsic_ssbo_atomic_or
:
3476 case nir_intrinsic_ssbo_atomic_xor
:
3477 case nir_intrinsic_ssbo_atomic_exchange
:
3478 case nir_intrinsic_ssbo_atomic_comp_swap
:
3479 result
= visit_atomic_ssbo(ctx
, instr
);
3481 case nir_intrinsic_load_ubo
:
3482 result
= visit_load_ubo_buffer(ctx
, instr
);
3484 case nir_intrinsic_get_buffer_size
:
3485 result
= visit_get_buffer_size(ctx
, instr
);
3487 case nir_intrinsic_load_deref
:
3488 result
= visit_load_var(ctx
, instr
);
3490 case nir_intrinsic_store_deref
:
3491 visit_store_var(ctx
, instr
);
3493 case nir_intrinsic_load_shared
:
3494 result
= visit_load_shared(ctx
, instr
);
3496 case nir_intrinsic_store_shared
:
3497 visit_store_shared(ctx
, instr
);
3499 case nir_intrinsic_bindless_image_samples
:
3500 result
= visit_image_samples(ctx
, instr
, true);
3502 case nir_intrinsic_image_deref_samples
:
3503 result
= visit_image_samples(ctx
, instr
, false);
3505 case nir_intrinsic_bindless_image_load
:
3506 result
= visit_image_load(ctx
, instr
, true);
3508 case nir_intrinsic_image_deref_load
:
3509 result
= visit_image_load(ctx
, instr
, false);
3511 case nir_intrinsic_bindless_image_store
:
3512 visit_image_store(ctx
, instr
, true);
3514 case nir_intrinsic_image_deref_store
:
3515 visit_image_store(ctx
, instr
, false);
3517 case nir_intrinsic_bindless_image_atomic_add
:
3518 case nir_intrinsic_bindless_image_atomic_imin
:
3519 case nir_intrinsic_bindless_image_atomic_umin
:
3520 case nir_intrinsic_bindless_image_atomic_imax
:
3521 case nir_intrinsic_bindless_image_atomic_umax
:
3522 case nir_intrinsic_bindless_image_atomic_and
:
3523 case nir_intrinsic_bindless_image_atomic_or
:
3524 case nir_intrinsic_bindless_image_atomic_xor
:
3525 case nir_intrinsic_bindless_image_atomic_exchange
:
3526 case nir_intrinsic_bindless_image_atomic_comp_swap
:
3527 case nir_intrinsic_bindless_image_atomic_inc_wrap
:
3528 case nir_intrinsic_bindless_image_atomic_dec_wrap
:
3529 result
= visit_image_atomic(ctx
, instr
, true);
3531 case nir_intrinsic_image_deref_atomic_add
:
3532 case nir_intrinsic_image_deref_atomic_imin
:
3533 case nir_intrinsic_image_deref_atomic_umin
:
3534 case nir_intrinsic_image_deref_atomic_imax
:
3535 case nir_intrinsic_image_deref_atomic_umax
:
3536 case nir_intrinsic_image_deref_atomic_and
:
3537 case nir_intrinsic_image_deref_atomic_or
:
3538 case nir_intrinsic_image_deref_atomic_xor
:
3539 case nir_intrinsic_image_deref_atomic_exchange
:
3540 case nir_intrinsic_image_deref_atomic_comp_swap
:
3541 case nir_intrinsic_image_deref_atomic_inc_wrap
:
3542 case nir_intrinsic_image_deref_atomic_dec_wrap
:
3543 result
= visit_image_atomic(ctx
, instr
, false);
3545 case nir_intrinsic_bindless_image_size
:
3546 result
= visit_image_size(ctx
, instr
, true);
3548 case nir_intrinsic_image_deref_size
:
3549 result
= visit_image_size(ctx
, instr
, false);
3551 case nir_intrinsic_shader_clock
:
3552 result
= ac_build_shader_clock(&ctx
->ac
);
3554 case nir_intrinsic_discard
:
3555 case nir_intrinsic_discard_if
:
3556 emit_discard(ctx
, instr
);
3558 case nir_intrinsic_memory_barrier
:
3559 case nir_intrinsic_group_memory_barrier
:
3560 case nir_intrinsic_memory_barrier_atomic_counter
:
3561 case nir_intrinsic_memory_barrier_buffer
:
3562 case nir_intrinsic_memory_barrier_image
:
3563 case nir_intrinsic_memory_barrier_shared
:
3564 emit_membar(&ctx
->ac
, instr
);
3566 case nir_intrinsic_barrier
:
3567 ac_emit_barrier(&ctx
->ac
, ctx
->stage
);
3569 case nir_intrinsic_shared_atomic_add
:
3570 case nir_intrinsic_shared_atomic_imin
:
3571 case nir_intrinsic_shared_atomic_umin
:
3572 case nir_intrinsic_shared_atomic_imax
:
3573 case nir_intrinsic_shared_atomic_umax
:
3574 case nir_intrinsic_shared_atomic_and
:
3575 case nir_intrinsic_shared_atomic_or
:
3576 case nir_intrinsic_shared_atomic_xor
:
3577 case nir_intrinsic_shared_atomic_exchange
:
3578 case nir_intrinsic_shared_atomic_comp_swap
: {
3579 LLVMValueRef ptr
= get_memory_ptr(ctx
, instr
->src
[0]);
3580 result
= visit_var_atomic(ctx
, instr
, ptr
, 1);
3583 case nir_intrinsic_deref_atomic_add
:
3584 case nir_intrinsic_deref_atomic_imin
:
3585 case nir_intrinsic_deref_atomic_umin
:
3586 case nir_intrinsic_deref_atomic_imax
:
3587 case nir_intrinsic_deref_atomic_umax
:
3588 case nir_intrinsic_deref_atomic_and
:
3589 case nir_intrinsic_deref_atomic_or
:
3590 case nir_intrinsic_deref_atomic_xor
:
3591 case nir_intrinsic_deref_atomic_exchange
:
3592 case nir_intrinsic_deref_atomic_comp_swap
: {
3593 LLVMValueRef ptr
= get_src(ctx
, instr
->src
[0]);
3594 result
= visit_var_atomic(ctx
, instr
, ptr
, 1);
3597 case nir_intrinsic_load_barycentric_pixel
:
3598 result
= barycentric_center(ctx
, nir_intrinsic_interp_mode(instr
));
3600 case nir_intrinsic_load_barycentric_centroid
:
3601 result
= barycentric_centroid(ctx
, nir_intrinsic_interp_mode(instr
));
3603 case nir_intrinsic_load_barycentric_sample
:
3604 result
= barycentric_sample(ctx
, nir_intrinsic_interp_mode(instr
));
3606 case nir_intrinsic_load_barycentric_at_offset
: {
3607 LLVMValueRef offset
= ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
3608 result
= barycentric_offset(ctx
, nir_intrinsic_interp_mode(instr
), offset
);
3611 case nir_intrinsic_load_barycentric_at_sample
: {
3612 LLVMValueRef sample_id
= get_src(ctx
, instr
->src
[0]);
3613 result
= barycentric_at_sample(ctx
, nir_intrinsic_interp_mode(instr
), sample_id
);
3616 case nir_intrinsic_load_interpolated_input
: {
3617 /* We assume any indirect loads have been lowered away */
3618 ASSERTED nir_const_value
*offset
= nir_src_as_const_value(instr
->src
[1]);
3620 assert(offset
[0].i32
== 0);
3622 LLVMValueRef interp_param
= get_src(ctx
, instr
->src
[0]);
3623 unsigned index
= nir_intrinsic_base(instr
);
3624 unsigned component
= nir_intrinsic_component(instr
);
3625 result
= load_interpolated_input(ctx
, interp_param
, index
,
3627 instr
->dest
.ssa
.num_components
,
3628 instr
->dest
.ssa
.bit_size
);
3631 case nir_intrinsic_load_input
: {
3632 /* We only lower inputs for fragment shaders ATM */
3633 ASSERTED nir_const_value
*offset
= nir_src_as_const_value(instr
->src
[0]);
3635 assert(offset
[0].i32
== 0);
3637 unsigned index
= nir_intrinsic_base(instr
);
3638 unsigned component
= nir_intrinsic_component(instr
);
3639 result
= load_flat_input(ctx
, index
, component
,
3640 instr
->dest
.ssa
.num_components
,
3641 instr
->dest
.ssa
.bit_size
);
3644 case nir_intrinsic_emit_vertex
:
3645 ctx
->abi
->emit_vertex(ctx
->abi
, nir_intrinsic_stream_id(instr
), ctx
->abi
->outputs
);
3647 case nir_intrinsic_end_primitive
:
3648 ctx
->abi
->emit_primitive(ctx
->abi
, nir_intrinsic_stream_id(instr
));
3650 case nir_intrinsic_load_tess_coord
:
3651 result
= ctx
->abi
->load_tess_coord(ctx
->abi
);
3653 case nir_intrinsic_load_tess_level_outer
:
3654 result
= ctx
->abi
->load_tess_level(ctx
->abi
, VARYING_SLOT_TESS_LEVEL_OUTER
, false);
3656 case nir_intrinsic_load_tess_level_inner
:
3657 result
= ctx
->abi
->load_tess_level(ctx
->abi
, VARYING_SLOT_TESS_LEVEL_INNER
, false);
3659 case nir_intrinsic_load_tess_level_outer_default
:
3660 result
= ctx
->abi
->load_tess_level(ctx
->abi
, VARYING_SLOT_TESS_LEVEL_OUTER
, true);
3662 case nir_intrinsic_load_tess_level_inner_default
:
3663 result
= ctx
->abi
->load_tess_level(ctx
->abi
, VARYING_SLOT_TESS_LEVEL_INNER
, true);
3665 case nir_intrinsic_load_patch_vertices_in
:
3666 result
= ctx
->abi
->load_patch_vertices_in(ctx
->abi
);
3668 case nir_intrinsic_vote_all
: {
3669 LLVMValueRef tmp
= ac_build_vote_all(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
3670 result
= LLVMBuildSExt(ctx
->ac
.builder
, tmp
, ctx
->ac
.i32
, "");
3673 case nir_intrinsic_vote_any
: {
3674 LLVMValueRef tmp
= ac_build_vote_any(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
3675 result
= LLVMBuildSExt(ctx
->ac
.builder
, tmp
, ctx
->ac
.i32
, "");
3678 case nir_intrinsic_shuffle
:
3679 result
= ac_build_shuffle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]),
3680 get_src(ctx
, instr
->src
[1]));
3682 case nir_intrinsic_reduce
:
3683 result
= ac_build_reduce(&ctx
->ac
,
3684 get_src(ctx
, instr
->src
[0]),
3685 instr
->const_index
[0],
3686 instr
->const_index
[1]);
3688 case nir_intrinsic_inclusive_scan
:
3689 result
= ac_build_inclusive_scan(&ctx
->ac
,
3690 get_src(ctx
, instr
->src
[0]),
3691 instr
->const_index
[0]);
3693 case nir_intrinsic_exclusive_scan
:
3694 result
= ac_build_exclusive_scan(&ctx
->ac
,
3695 get_src(ctx
, instr
->src
[0]),
3696 instr
->const_index
[0]);
3698 case nir_intrinsic_quad_broadcast
: {
3699 unsigned lane
= nir_src_as_uint(instr
->src
[1]);
3700 result
= ac_build_quad_swizzle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]),
3701 lane
, lane
, lane
, lane
);
3704 case nir_intrinsic_quad_swap_horizontal
:
3705 result
= ac_build_quad_swizzle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]), 1, 0, 3 ,2);
3707 case nir_intrinsic_quad_swap_vertical
:
3708 result
= ac_build_quad_swizzle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]), 2, 3, 0 ,1);
3710 case nir_intrinsic_quad_swap_diagonal
:
3711 result
= ac_build_quad_swizzle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]), 3, 2, 1 ,0);
3713 case nir_intrinsic_quad_swizzle_amd
: {
3714 uint32_t mask
= nir_intrinsic_swizzle_mask(instr
);
3715 result
= ac_build_quad_swizzle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]),
3716 mask
& 0x3, (mask
>> 2) & 0x3,
3717 (mask
>> 4) & 0x3, (mask
>> 6) & 0x3);
3720 case nir_intrinsic_masked_swizzle_amd
: {
3721 uint32_t mask
= nir_intrinsic_swizzle_mask(instr
);
3722 result
= ac_build_ds_swizzle(&ctx
->ac
, get_src(ctx
, instr
->src
[0]), mask
);
3725 case nir_intrinsic_write_invocation_amd
:
3726 result
= ac_build_writelane(&ctx
->ac
, get_src(ctx
, instr
->src
[0]),
3727 get_src(ctx
, instr
->src
[1]),
3728 get_src(ctx
, instr
->src
[2]));
3730 case nir_intrinsic_mbcnt_amd
:
3731 result
= ac_build_mbcnt(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
3733 case nir_intrinsic_load_scratch
: {
3734 LLVMValueRef offset
= get_src(ctx
, instr
->src
[0]);
3735 LLVMValueRef ptr
= ac_build_gep0(&ctx
->ac
, ctx
->scratch
,
3737 LLVMTypeRef comp_type
=
3738 LLVMIntTypeInContext(ctx
->ac
.context
, instr
->dest
.ssa
.bit_size
);
3739 LLVMTypeRef vec_type
=
3740 instr
->dest
.ssa
.num_components
== 1 ? comp_type
:
3741 LLVMVectorType(comp_type
, instr
->dest
.ssa
.num_components
);
3742 unsigned addr_space
= LLVMGetPointerAddressSpace(LLVMTypeOf(ptr
));
3743 ptr
= LLVMBuildBitCast(ctx
->ac
.builder
, ptr
,
3744 LLVMPointerType(vec_type
, addr_space
), "");
3745 result
= LLVMBuildLoad(ctx
->ac
.builder
, ptr
, "");
3748 case nir_intrinsic_store_scratch
: {
3749 LLVMValueRef offset
= get_src(ctx
, instr
->src
[1]);
3750 LLVMValueRef ptr
= ac_build_gep0(&ctx
->ac
, ctx
->scratch
,
3752 LLVMTypeRef comp_type
=
3753 LLVMIntTypeInContext(ctx
->ac
.context
, instr
->src
[0].ssa
->bit_size
);
3754 unsigned addr_space
= LLVMGetPointerAddressSpace(LLVMTypeOf(ptr
));
3755 ptr
= LLVMBuildBitCast(ctx
->ac
.builder
, ptr
,
3756 LLVMPointerType(comp_type
, addr_space
), "");
3757 LLVMValueRef src
= get_src(ctx
, instr
->src
[0]);
3758 unsigned wrmask
= nir_intrinsic_write_mask(instr
);
3761 u_bit_scan_consecutive_range(&wrmask
, &start
, &count
);
3763 LLVMValueRef offset
= LLVMConstInt(ctx
->ac
.i32
, start
, false);
3764 LLVMValueRef offset_ptr
= LLVMBuildGEP(ctx
->ac
.builder
, ptr
, &offset
, 1, "");
3765 LLVMTypeRef vec_type
=
3766 count
== 1 ? comp_type
: LLVMVectorType(comp_type
, count
);
3767 offset_ptr
= LLVMBuildBitCast(ctx
->ac
.builder
,
3769 LLVMPointerType(vec_type
, addr_space
),
3771 LLVMValueRef offset_src
=
3772 ac_extract_components(&ctx
->ac
, src
, start
, count
);
3773 LLVMBuildStore(ctx
->ac
.builder
, offset_src
, offset_ptr
);
3777 case nir_intrinsic_load_constant
: {
3778 LLVMValueRef offset
= get_src(ctx
, instr
->src
[0]);
3779 LLVMValueRef base
= LLVMConstInt(ctx
->ac
.i32
,
3780 nir_intrinsic_base(instr
),
3782 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
, base
, "");
3783 LLVMValueRef ptr
= ac_build_gep0(&ctx
->ac
, ctx
->constant_data
,
3785 LLVMTypeRef comp_type
=
3786 LLVMIntTypeInContext(ctx
->ac
.context
, instr
->dest
.ssa
.bit_size
);
3787 LLVMTypeRef vec_type
=
3788 instr
->dest
.ssa
.num_components
== 1 ? comp_type
:
3789 LLVMVectorType(comp_type
, instr
->dest
.ssa
.num_components
);
3790 unsigned addr_space
= LLVMGetPointerAddressSpace(LLVMTypeOf(ptr
));
3791 ptr
= LLVMBuildBitCast(ctx
->ac
.builder
, ptr
,
3792 LLVMPointerType(vec_type
, addr_space
), "");
3793 result
= LLVMBuildLoad(ctx
->ac
.builder
, ptr
, "");
3797 fprintf(stderr
, "Unknown intrinsic: ");
3798 nir_print_instr(&instr
->instr
, stderr
);
3799 fprintf(stderr
, "\n");
3803 ctx
->ssa_defs
[instr
->dest
.ssa
.index
] = result
;
3807 static LLVMValueRef
get_bindless_index_from_uniform(struct ac_nir_context
*ctx
,
3808 unsigned base_index
,
3809 unsigned constant_index
,
3810 LLVMValueRef dynamic_index
)
3812 LLVMValueRef offset
= LLVMConstInt(ctx
->ac
.i32
, base_index
* 4, 0);
3813 LLVMValueRef index
= LLVMBuildAdd(ctx
->ac
.builder
, dynamic_index
,
3814 LLVMConstInt(ctx
->ac
.i32
, constant_index
, 0), "");
3816 /* Bindless uniforms are 64bit so multiple index by 8 */
3817 index
= LLVMBuildMul(ctx
->ac
.builder
, index
, LLVMConstInt(ctx
->ac
.i32
, 8, 0), "");
3818 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
, index
, "");
3820 LLVMValueRef ubo_index
= ctx
->abi
->load_ubo(ctx
->abi
, ctx
->ac
.i32_0
);
3822 LLVMValueRef ret
= ac_build_buffer_load(&ctx
->ac
, ubo_index
, 1, NULL
, offset
,
3823 NULL
, 0, 0, true, true);
3825 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
, ctx
->ac
.i32
, "");
3828 static LLVMValueRef
get_sampler_desc(struct ac_nir_context
*ctx
,
3829 nir_deref_instr
*deref_instr
,
3830 enum ac_descriptor_type desc_type
,
3831 const nir_instr
*instr
,
3832 bool image
, bool write
)
3834 LLVMValueRef index
= NULL
;
3835 unsigned constant_index
= 0;
3836 unsigned descriptor_set
;
3837 unsigned base_index
;
3838 bool bindless
= false;
3843 nir_intrinsic_instr
*img_instr
= nir_instr_as_intrinsic(instr
);
3846 index
= get_src(ctx
, img_instr
->src
[0]);
3848 nir_tex_instr
*tex_instr
= nir_instr_as_tex(instr
);
3849 int sampSrcIdx
= nir_tex_instr_src_index(tex_instr
,
3850 nir_tex_src_sampler_handle
);
3851 if (sampSrcIdx
!= -1) {
3854 index
= get_src(ctx
, tex_instr
->src
[sampSrcIdx
].src
);
3856 assert(tex_instr
&& !image
);
3857 base_index
= tex_instr
->sampler_index
;
3861 while(deref_instr
->deref_type
!= nir_deref_type_var
) {
3862 if (deref_instr
->deref_type
== nir_deref_type_array
) {
3863 unsigned array_size
= glsl_get_aoa_size(deref_instr
->type
);
3867 if (nir_src_is_const(deref_instr
->arr
.index
)) {
3868 constant_index
+= array_size
* nir_src_as_uint(deref_instr
->arr
.index
);
3870 LLVMValueRef indirect
= get_src(ctx
, deref_instr
->arr
.index
);
3872 indirect
= LLVMBuildMul(ctx
->ac
.builder
, indirect
,
3873 LLVMConstInt(ctx
->ac
.i32
, array_size
, false), "");
3878 index
= LLVMBuildAdd(ctx
->ac
.builder
, index
, indirect
, "");
3881 deref_instr
= nir_src_as_deref(deref_instr
->parent
);
3882 } else if (deref_instr
->deref_type
== nir_deref_type_struct
) {
3883 unsigned sidx
= deref_instr
->strct
.index
;
3884 deref_instr
= nir_src_as_deref(deref_instr
->parent
);
3885 constant_index
+= glsl_get_struct_location_offset(deref_instr
->type
, sidx
);
3887 unreachable("Unsupported deref type");
3890 descriptor_set
= deref_instr
->var
->data
.descriptor_set
;
3892 if (deref_instr
->var
->data
.bindless
) {
3893 /* For now just assert on unhandled variable types */
3894 assert(deref_instr
->var
->data
.mode
== nir_var_uniform
);
3896 base_index
= deref_instr
->var
->data
.driver_location
;
3899 index
= index
? index
: ctx
->ac
.i32_0
;
3900 index
= get_bindless_index_from_uniform(ctx
, base_index
,
3901 constant_index
, index
);
3903 base_index
= deref_instr
->var
->data
.binding
;
3906 return ctx
->abi
->load_sampler_desc(ctx
->abi
,
3909 constant_index
, index
,
3910 desc_type
, image
, write
, bindless
);
3913 /* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL.
3916 * If BASE_LEVEL == LAST_LEVEL, the shader must disable anisotropic
3917 * filtering manually. The driver sets img7 to a mask clearing
3918 * MAX_ANISO_RATIO if BASE_LEVEL == LAST_LEVEL. The shader must do:
3919 * s_and_b32 samp0, samp0, img7
3922 * The ANISO_OVERRIDE sampler field enables this fix in TA.
3924 static LLVMValueRef
sici_fix_sampler_aniso(struct ac_nir_context
*ctx
,
3925 LLVMValueRef res
, LLVMValueRef samp
)
3927 LLVMBuilderRef builder
= ctx
->ac
.builder
;
3928 LLVMValueRef img7
, samp0
;
3930 if (ctx
->ac
.chip_class
>= GFX8
)
3933 img7
= LLVMBuildExtractElement(builder
, res
,
3934 LLVMConstInt(ctx
->ac
.i32
, 7, 0), "");
3935 samp0
= LLVMBuildExtractElement(builder
, samp
,
3936 LLVMConstInt(ctx
->ac
.i32
, 0, 0), "");
3937 samp0
= LLVMBuildAnd(builder
, samp0
, img7
, "");
3938 return LLVMBuildInsertElement(builder
, samp
, samp0
,
3939 LLVMConstInt(ctx
->ac
.i32
, 0, 0), "");
3942 static void tex_fetch_ptrs(struct ac_nir_context
*ctx
,
3943 nir_tex_instr
*instr
,
3944 LLVMValueRef
*res_ptr
, LLVMValueRef
*samp_ptr
,
3945 LLVMValueRef
*fmask_ptr
)
3947 nir_deref_instr
*texture_deref_instr
= NULL
;
3948 nir_deref_instr
*sampler_deref_instr
= NULL
;
3951 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
3952 switch (instr
->src
[i
].src_type
) {
3953 case nir_tex_src_texture_deref
:
3954 texture_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
3956 case nir_tex_src_sampler_deref
:
3957 sampler_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
3959 case nir_tex_src_plane
:
3960 plane
= nir_src_as_int(instr
->src
[i
].src
);
3967 if (!sampler_deref_instr
)
3968 sampler_deref_instr
= texture_deref_instr
;
3970 enum ac_descriptor_type main_descriptor
= instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
? AC_DESC_BUFFER
: AC_DESC_IMAGE
;
3973 assert(instr
->op
!= nir_texop_txf_ms
&&
3974 instr
->op
!= nir_texop_samples_identical
);
3975 assert(instr
->sampler_dim
!= GLSL_SAMPLER_DIM_BUF
);
3977 main_descriptor
= AC_DESC_PLANE_0
+ plane
;
3980 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, main_descriptor
, &instr
->instr
, false, false);
3983 *samp_ptr
= get_sampler_desc(ctx
, sampler_deref_instr
, AC_DESC_SAMPLER
, &instr
->instr
, false, false);
3984 if (instr
->sampler_dim
< GLSL_SAMPLER_DIM_RECT
)
3985 *samp_ptr
= sici_fix_sampler_aniso(ctx
, *res_ptr
, *samp_ptr
);
3987 if (fmask_ptr
&& (instr
->op
== nir_texop_txf_ms
||
3988 instr
->op
== nir_texop_samples_identical
))
3989 *fmask_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, AC_DESC_FMASK
, &instr
->instr
, false, false);
3992 static LLVMValueRef
apply_round_slice(struct ac_llvm_context
*ctx
,
3995 coord
= ac_to_float(ctx
, coord
);
3996 coord
= ac_build_round(ctx
, coord
);
3997 coord
= ac_to_integer(ctx
, coord
);
4001 static void visit_tex(struct ac_nir_context
*ctx
, nir_tex_instr
*instr
)
4003 LLVMValueRef result
= NULL
;
4004 struct ac_image_args args
= { 0 };
4005 LLVMValueRef fmask_ptr
= NULL
, sample_index
= NULL
;
4006 LLVMValueRef ddx
= NULL
, ddy
= NULL
;
4007 unsigned offset_src
= 0;
4009 tex_fetch_ptrs(ctx
, instr
, &args
.resource
, &args
.sampler
, &fmask_ptr
);
4011 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
4012 switch (instr
->src
[i
].src_type
) {
4013 case nir_tex_src_coord
: {
4014 LLVMValueRef coord
= get_src(ctx
, instr
->src
[i
].src
);
4015 for (unsigned chan
= 0; chan
< instr
->coord_components
; ++chan
)
4016 args
.coords
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, coord
, chan
);
4019 case nir_tex_src_projector
:
4021 case nir_tex_src_comparator
:
4022 if (instr
->is_shadow
)
4023 args
.compare
= get_src(ctx
, instr
->src
[i
].src
);
4025 case nir_tex_src_offset
:
4026 args
.offset
= get_src(ctx
, instr
->src
[i
].src
);
4029 case nir_tex_src_bias
:
4030 if (instr
->op
== nir_texop_txb
)
4031 args
.bias
= get_src(ctx
, instr
->src
[i
].src
);
4033 case nir_tex_src_lod
: {
4034 if (nir_src_is_const(instr
->src
[i
].src
) && nir_src_as_uint(instr
->src
[i
].src
) == 0)
4035 args
.level_zero
= true;
4037 args
.lod
= get_src(ctx
, instr
->src
[i
].src
);
4040 case nir_tex_src_ms_index
:
4041 sample_index
= get_src(ctx
, instr
->src
[i
].src
);
4043 case nir_tex_src_ms_mcs
:
4045 case nir_tex_src_ddx
:
4046 ddx
= get_src(ctx
, instr
->src
[i
].src
);
4048 case nir_tex_src_ddy
:
4049 ddy
= get_src(ctx
, instr
->src
[i
].src
);
4051 case nir_tex_src_texture_offset
:
4052 case nir_tex_src_sampler_offset
:
4053 case nir_tex_src_plane
:
4059 if (instr
->op
== nir_texop_txs
&& instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
4060 result
= get_buffer_size(ctx
, args
.resource
, true);
4064 if (instr
->op
== nir_texop_texture_samples
) {
4065 LLVMValueRef res
, samples
, is_msaa
;
4066 res
= LLVMBuildBitCast(ctx
->ac
.builder
, args
.resource
, ctx
->ac
.v8i32
, "");
4067 samples
= LLVMBuildExtractElement(ctx
->ac
.builder
, res
,
4068 LLVMConstInt(ctx
->ac
.i32
, 3, false), "");
4069 is_msaa
= LLVMBuildLShr(ctx
->ac
.builder
, samples
,
4070 LLVMConstInt(ctx
->ac
.i32
, 28, false), "");
4071 is_msaa
= LLVMBuildAnd(ctx
->ac
.builder
, is_msaa
,
4072 LLVMConstInt(ctx
->ac
.i32
, 0xe, false), "");
4073 is_msaa
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
, is_msaa
,
4074 LLVMConstInt(ctx
->ac
.i32
, 0xe, false), "");
4076 samples
= LLVMBuildLShr(ctx
->ac
.builder
, samples
,
4077 LLVMConstInt(ctx
->ac
.i32
, 16, false), "");
4078 samples
= LLVMBuildAnd(ctx
->ac
.builder
, samples
,
4079 LLVMConstInt(ctx
->ac
.i32
, 0xf, false), "");
4080 samples
= LLVMBuildShl(ctx
->ac
.builder
, ctx
->ac
.i32_1
,
4082 samples
= LLVMBuildSelect(ctx
->ac
.builder
, is_msaa
, samples
,
4088 if (args
.offset
&& instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
) {
4089 LLVMValueRef offset
[3], pack
;
4090 for (unsigned chan
= 0; chan
< 3; ++chan
)
4091 offset
[chan
] = ctx
->ac
.i32_0
;
4093 unsigned num_components
= ac_get_llvm_num_components(args
.offset
);
4094 for (unsigned chan
= 0; chan
< num_components
; chan
++) {
4095 offset
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, args
.offset
, chan
);
4096 offset
[chan
] = LLVMBuildAnd(ctx
->ac
.builder
, offset
[chan
],
4097 LLVMConstInt(ctx
->ac
.i32
, 0x3f, false), "");
4099 offset
[chan
] = LLVMBuildShl(ctx
->ac
.builder
, offset
[chan
],
4100 LLVMConstInt(ctx
->ac
.i32
, chan
* 8, false), "");
4102 pack
= LLVMBuildOr(ctx
->ac
.builder
, offset
[0], offset
[1], "");
4103 pack
= LLVMBuildOr(ctx
->ac
.builder
, pack
, offset
[2], "");
4107 /* TC-compatible HTILE on radeonsi promotes Z16 and Z24 to Z32_FLOAT,
4108 * so the depth comparison value isn't clamped for Z16 and
4109 * Z24 anymore. Do it manually here for GFX8-9; GFX10 has an explicitly
4110 * clamped 32-bit float format.
4112 * It's unnecessary if the original texture format was
4113 * Z32_FLOAT, but we don't know that here.
4116 ctx
->ac
.chip_class
>= GFX8
&&
4117 ctx
->ac
.chip_class
<= GFX9
&&
4118 ctx
->abi
->clamp_shadow_reference
)
4119 args
.compare
= ac_build_clamp(&ctx
->ac
, ac_to_float(&ctx
->ac
, args
.compare
));
4121 /* pack derivatives */
4123 int num_src_deriv_channels
, num_dest_deriv_channels
;
4124 switch (instr
->sampler_dim
) {
4125 case GLSL_SAMPLER_DIM_3D
:
4126 case GLSL_SAMPLER_DIM_CUBE
:
4127 num_src_deriv_channels
= 3;
4128 num_dest_deriv_channels
= 3;
4130 case GLSL_SAMPLER_DIM_2D
:
4132 num_src_deriv_channels
= 2;
4133 num_dest_deriv_channels
= 2;
4135 case GLSL_SAMPLER_DIM_1D
:
4136 num_src_deriv_channels
= 1;
4137 if (ctx
->ac
.chip_class
== GFX9
) {
4138 num_dest_deriv_channels
= 2;
4140 num_dest_deriv_channels
= 1;
4145 for (unsigned i
= 0; i
< num_src_deriv_channels
; i
++) {
4146 args
.derivs
[i
] = ac_to_float(&ctx
->ac
,
4147 ac_llvm_extract_elem(&ctx
->ac
, ddx
, i
));
4148 args
.derivs
[num_dest_deriv_channels
+ i
] = ac_to_float(&ctx
->ac
,
4149 ac_llvm_extract_elem(&ctx
->ac
, ddy
, i
));
4151 for (unsigned i
= num_src_deriv_channels
; i
< num_dest_deriv_channels
; i
++) {
4152 args
.derivs
[i
] = ctx
->ac
.f32_0
;
4153 args
.derivs
[num_dest_deriv_channels
+ i
] = ctx
->ac
.f32_0
;
4157 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&& args
.coords
[0]) {
4158 for (unsigned chan
= 0; chan
< instr
->coord_components
; chan
++)
4159 args
.coords
[chan
] = ac_to_float(&ctx
->ac
, args
.coords
[chan
]);
4160 if (instr
->coord_components
== 3)
4161 args
.coords
[3] = LLVMGetUndef(ctx
->ac
.f32
);
4162 ac_prepare_cube_coords(&ctx
->ac
,
4163 instr
->op
== nir_texop_txd
, instr
->is_array
,
4164 instr
->op
== nir_texop_lod
, args
.coords
, args
.derivs
);
4167 /* Texture coordinates fixups */
4168 if (instr
->coord_components
> 1 &&
4169 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
4171 instr
->op
!= nir_texop_txf
) {
4172 args
.coords
[1] = apply_round_slice(&ctx
->ac
, args
.coords
[1]);
4175 if (instr
->coord_components
> 2 &&
4176 (instr
->sampler_dim
== GLSL_SAMPLER_DIM_2D
||
4177 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
||
4178 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS
||
4179 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
) &&
4181 instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
) {
4182 args
.coords
[2] = apply_round_slice(&ctx
->ac
, args
.coords
[2]);
4185 if (ctx
->ac
.chip_class
== GFX9
&&
4186 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
4187 instr
->op
!= nir_texop_lod
) {
4188 LLVMValueRef filler
;
4189 if (instr
->op
== nir_texop_txf
)
4190 filler
= ctx
->ac
.i32_0
;
4192 filler
= LLVMConstReal(ctx
->ac
.f32
, 0.5);
4194 if (instr
->is_array
)
4195 args
.coords
[2] = args
.coords
[1];
4196 args
.coords
[1] = filler
;
4199 /* Pack sample index */
4200 if (instr
->op
== nir_texop_txf_ms
&& sample_index
)
4201 args
.coords
[instr
->coord_components
] = sample_index
;
4203 if (instr
->op
== nir_texop_samples_identical
) {
4204 struct ac_image_args txf_args
= { 0 };
4205 memcpy(txf_args
.coords
, args
.coords
, sizeof(txf_args
.coords
));
4207 txf_args
.dmask
= 0xf;
4208 txf_args
.resource
= fmask_ptr
;
4209 txf_args
.dim
= instr
->is_array
? ac_image_2darray
: ac_image_2d
;
4210 result
= build_tex_intrinsic(ctx
, instr
, &txf_args
);
4212 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, ctx
->ac
.i32_0
, "");
4213 result
= emit_int_cmp(&ctx
->ac
, LLVMIntEQ
, result
, ctx
->ac
.i32_0
);
4217 if ((instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
||
4218 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
) &&
4219 instr
->op
!= nir_texop_txs
) {
4220 unsigned sample_chan
= instr
->is_array
? 3 : 2;
4221 args
.coords
[sample_chan
] = adjust_sample_index_using_fmask(
4222 &ctx
->ac
, args
.coords
[0], args
.coords
[1],
4223 instr
->is_array
? args
.coords
[2] : NULL
,
4224 args
.coords
[sample_chan
], fmask_ptr
);
4227 if (args
.offset
&& (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)) {
4228 int num_offsets
= instr
->src
[offset_src
].src
.ssa
->num_components
;
4229 num_offsets
= MIN2(num_offsets
, instr
->coord_components
);
4230 for (unsigned i
= 0; i
< num_offsets
; ++i
) {
4231 args
.coords
[i
] = LLVMBuildAdd(
4232 ctx
->ac
.builder
, args
.coords
[i
],
4233 LLVMConstInt(ctx
->ac
.i32
, nir_src_comp_as_uint(instr
->src
[offset_src
].src
, i
), false), "");
4238 /* DMASK was repurposed for GATHER4. 4 components are always
4239 * returned and DMASK works like a swizzle - it selects
4240 * the component to fetch. The only valid DMASK values are
4241 * 1=red, 2=green, 4=blue, 8=alpha. (e.g. 1 returns
4242 * (red,red,red,red) etc.) The ISA document doesn't mention
4246 if (instr
->op
== nir_texop_tg4
) {
4247 if (instr
->is_shadow
)
4250 args
.dmask
= 1 << instr
->component
;
4253 if (instr
->sampler_dim
!= GLSL_SAMPLER_DIM_BUF
)
4254 args
.dim
= get_ac_sampler_dim(&ctx
->ac
, instr
->sampler_dim
, instr
->is_array
);
4255 result
= build_tex_intrinsic(ctx
, instr
, &args
);
4257 if (instr
->op
== nir_texop_query_levels
)
4258 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, LLVMConstInt(ctx
->ac
.i32
, 3, false), "");
4259 else if (instr
->is_shadow
&& instr
->is_new_style_shadow
&&
4260 instr
->op
!= nir_texop_txs
&& instr
->op
!= nir_texop_lod
&&
4261 instr
->op
!= nir_texop_tg4
)
4262 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, ctx
->ac
.i32_0
, "");
4263 else if (instr
->op
== nir_texop_txs
&&
4264 instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&&
4266 LLVMValueRef two
= LLVMConstInt(ctx
->ac
.i32
, 2, false);
4267 LLVMValueRef six
= LLVMConstInt(ctx
->ac
.i32
, 6, false);
4268 LLVMValueRef z
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, two
, "");
4269 z
= LLVMBuildSDiv(ctx
->ac
.builder
, z
, six
, "");
4270 result
= LLVMBuildInsertElement(ctx
->ac
.builder
, result
, z
, two
, "");
4271 } else if (ctx
->ac
.chip_class
== GFX9
&&
4272 instr
->op
== nir_texop_txs
&&
4273 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
4275 LLVMValueRef two
= LLVMConstInt(ctx
->ac
.i32
, 2, false);
4276 LLVMValueRef layers
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, two
, "");
4277 result
= LLVMBuildInsertElement(ctx
->ac
.builder
, result
, layers
,
4279 } else if (instr
->dest
.ssa
.num_components
!= 4)
4280 result
= ac_trim_vector(&ctx
->ac
, result
, instr
->dest
.ssa
.num_components
);
4284 assert(instr
->dest
.is_ssa
);
4285 result
= ac_to_integer(&ctx
->ac
, result
);
4286 ctx
->ssa_defs
[instr
->dest
.ssa
.index
] = result
;
4291 static void visit_phi(struct ac_nir_context
*ctx
, nir_phi_instr
*instr
)
4293 LLVMTypeRef type
= get_def_type(ctx
, &instr
->dest
.ssa
);
4294 LLVMValueRef result
= LLVMBuildPhi(ctx
->ac
.builder
, type
, "");
4296 ctx
->ssa_defs
[instr
->dest
.ssa
.index
] = result
;
4297 _mesa_hash_table_insert(ctx
->phis
, instr
, result
);
4300 static void visit_post_phi(struct ac_nir_context
*ctx
,
4301 nir_phi_instr
*instr
,
4302 LLVMValueRef llvm_phi
)
4304 nir_foreach_phi_src(src
, instr
) {
4305 LLVMBasicBlockRef block
= get_block(ctx
, src
->pred
);
4306 LLVMValueRef llvm_src
= get_src(ctx
, src
->src
);
4308 LLVMAddIncoming(llvm_phi
, &llvm_src
, &block
, 1);
4312 static void phi_post_pass(struct ac_nir_context
*ctx
)
4314 hash_table_foreach(ctx
->phis
, entry
) {
4315 visit_post_phi(ctx
, (nir_phi_instr
*)entry
->key
,
4316 (LLVMValueRef
)entry
->data
);
4321 static void visit_ssa_undef(struct ac_nir_context
*ctx
,
4322 const nir_ssa_undef_instr
*instr
)
4324 unsigned num_components
= instr
->def
.num_components
;
4325 LLVMTypeRef type
= LLVMIntTypeInContext(ctx
->ac
.context
, instr
->def
.bit_size
);
4328 if (num_components
== 1)
4329 undef
= LLVMGetUndef(type
);
4331 undef
= LLVMGetUndef(LLVMVectorType(type
, num_components
));
4333 ctx
->ssa_defs
[instr
->def
.index
] = undef
;
4336 static void visit_jump(struct ac_llvm_context
*ctx
,
4337 const nir_jump_instr
*instr
)
4339 switch (instr
->type
) {
4340 case nir_jump_break
:
4341 ac_build_break(ctx
);
4343 case nir_jump_continue
:
4344 ac_build_continue(ctx
);
4347 fprintf(stderr
, "Unknown NIR jump instr: ");
4348 nir_print_instr(&instr
->instr
, stderr
);
4349 fprintf(stderr
, "\n");
4355 glsl_base_to_llvm_type(struct ac_llvm_context
*ac
,
4356 enum glsl_base_type type
)
4360 case GLSL_TYPE_UINT
:
4361 case GLSL_TYPE_BOOL
:
4362 case GLSL_TYPE_SUBROUTINE
:
4364 case GLSL_TYPE_INT8
:
4365 case GLSL_TYPE_UINT8
:
4367 case GLSL_TYPE_INT16
:
4368 case GLSL_TYPE_UINT16
:
4370 case GLSL_TYPE_FLOAT
:
4372 case GLSL_TYPE_FLOAT16
:
4374 case GLSL_TYPE_INT64
:
4375 case GLSL_TYPE_UINT64
:
4377 case GLSL_TYPE_DOUBLE
:
4380 unreachable("unknown GLSL type");
4385 glsl_to_llvm_type(struct ac_llvm_context
*ac
,
4386 const struct glsl_type
*type
)
4388 if (glsl_type_is_scalar(type
)) {
4389 return glsl_base_to_llvm_type(ac
, glsl_get_base_type(type
));
4392 if (glsl_type_is_vector(type
)) {
4393 return LLVMVectorType(
4394 glsl_base_to_llvm_type(ac
, glsl_get_base_type(type
)),
4395 glsl_get_vector_elements(type
));
4398 if (glsl_type_is_matrix(type
)) {
4399 return LLVMArrayType(
4400 glsl_to_llvm_type(ac
, glsl_get_column_type(type
)),
4401 glsl_get_matrix_columns(type
));
4404 if (glsl_type_is_array(type
)) {
4405 return LLVMArrayType(
4406 glsl_to_llvm_type(ac
, glsl_get_array_element(type
)),
4407 glsl_get_length(type
));
4410 assert(glsl_type_is_struct_or_ifc(type
));
4412 LLVMTypeRef member_types
[glsl_get_length(type
)];
4414 for (unsigned i
= 0; i
< glsl_get_length(type
); i
++) {
4416 glsl_to_llvm_type(ac
,
4417 glsl_get_struct_field(type
, i
));
4420 return LLVMStructTypeInContext(ac
->context
, member_types
,
4421 glsl_get_length(type
), false);
4424 static void visit_deref(struct ac_nir_context
*ctx
,
4425 nir_deref_instr
*instr
)
4427 if (instr
->mode
!= nir_var_mem_shared
&&
4428 instr
->mode
!= nir_var_mem_global
)
4431 LLVMValueRef result
= NULL
;
4432 switch(instr
->deref_type
) {
4433 case nir_deref_type_var
: {
4434 struct hash_entry
*entry
= _mesa_hash_table_search(ctx
->vars
, instr
->var
);
4435 result
= entry
->data
;
4438 case nir_deref_type_struct
:
4439 if (instr
->mode
== nir_var_mem_global
) {
4440 nir_deref_instr
*parent
= nir_deref_instr_parent(instr
);
4441 uint64_t offset
= glsl_get_struct_field_offset(parent
->type
,
4442 instr
->strct
.index
);
4443 result
= ac_build_gep_ptr(&ctx
->ac
, get_src(ctx
, instr
->parent
),
4444 LLVMConstInt(ctx
->ac
.i32
, offset
, 0));
4446 result
= ac_build_gep0(&ctx
->ac
, get_src(ctx
, instr
->parent
),
4447 LLVMConstInt(ctx
->ac
.i32
, instr
->strct
.index
, 0));
4450 case nir_deref_type_array
:
4451 if (instr
->mode
== nir_var_mem_global
) {
4452 nir_deref_instr
*parent
= nir_deref_instr_parent(instr
);
4453 unsigned stride
= glsl_get_explicit_stride(parent
->type
);
4455 if ((glsl_type_is_matrix(parent
->type
) &&
4456 glsl_matrix_type_is_row_major(parent
->type
)) ||
4457 (glsl_type_is_vector(parent
->type
) && stride
== 0))
4458 stride
= type_scalar_size_bytes(parent
->type
);
4461 LLVMValueRef index
= get_src(ctx
, instr
->arr
.index
);
4462 if (LLVMTypeOf(index
) != ctx
->ac
.i64
)
4463 index
= LLVMBuildZExt(ctx
->ac
.builder
, index
, ctx
->ac
.i64
, "");
4465 LLVMValueRef offset
= LLVMBuildMul(ctx
->ac
.builder
, index
, LLVMConstInt(ctx
->ac
.i64
, stride
, 0), "");
4467 result
= ac_build_gep_ptr(&ctx
->ac
, get_src(ctx
, instr
->parent
), offset
);
4469 result
= ac_build_gep0(&ctx
->ac
, get_src(ctx
, instr
->parent
),
4470 get_src(ctx
, instr
->arr
.index
));
4473 case nir_deref_type_ptr_as_array
:
4474 if (instr
->mode
== nir_var_mem_global
) {
4475 unsigned stride
= nir_deref_instr_ptr_as_array_stride(instr
);
4477 LLVMValueRef index
= get_src(ctx
, instr
->arr
.index
);
4478 if (LLVMTypeOf(index
) != ctx
->ac
.i64
)
4479 index
= LLVMBuildZExt(ctx
->ac
.builder
, index
, ctx
->ac
.i64
, "");
4481 LLVMValueRef offset
= LLVMBuildMul(ctx
->ac
.builder
, index
, LLVMConstInt(ctx
->ac
.i64
, stride
, 0), "");
4483 result
= ac_build_gep_ptr(&ctx
->ac
, get_src(ctx
, instr
->parent
), offset
);
4485 result
= ac_build_gep_ptr(&ctx
->ac
, get_src(ctx
, instr
->parent
),
4486 get_src(ctx
, instr
->arr
.index
));
4489 case nir_deref_type_cast
: {
4490 result
= get_src(ctx
, instr
->parent
);
4492 /* We can't use the structs from LLVM because the shader
4493 * specifies its own offsets. */
4494 LLVMTypeRef pointee_type
= ctx
->ac
.i8
;
4495 if (instr
->mode
== nir_var_mem_shared
)
4496 pointee_type
= glsl_to_llvm_type(&ctx
->ac
, instr
->type
);
4498 unsigned address_space
;
4500 switch(instr
->mode
) {
4501 case nir_var_mem_shared
:
4502 address_space
= AC_ADDR_SPACE_LDS
;
4504 case nir_var_mem_global
:
4505 address_space
= AC_ADDR_SPACE_GLOBAL
;
4508 unreachable("Unhandled address space");
4511 LLVMTypeRef type
= LLVMPointerType(pointee_type
, address_space
);
4513 if (LLVMTypeOf(result
) != type
) {
4514 if (LLVMGetTypeKind(LLVMTypeOf(result
)) == LLVMVectorTypeKind
) {
4515 result
= LLVMBuildBitCast(ctx
->ac
.builder
, result
,
4518 result
= LLVMBuildIntToPtr(ctx
->ac
.builder
, result
,
4525 unreachable("Unhandled deref_instr deref type");
4528 ctx
->ssa_defs
[instr
->dest
.ssa
.index
] = result
;
4531 static void visit_cf_list(struct ac_nir_context
*ctx
,
4532 struct exec_list
*list
);
4534 static void visit_block(struct ac_nir_context
*ctx
, nir_block
*block
)
4536 nir_foreach_instr(instr
, block
)
4538 switch (instr
->type
) {
4539 case nir_instr_type_alu
:
4540 visit_alu(ctx
, nir_instr_as_alu(instr
));
4542 case nir_instr_type_load_const
:
4543 visit_load_const(ctx
, nir_instr_as_load_const(instr
));
4545 case nir_instr_type_intrinsic
:
4546 visit_intrinsic(ctx
, nir_instr_as_intrinsic(instr
));
4548 case nir_instr_type_tex
:
4549 visit_tex(ctx
, nir_instr_as_tex(instr
));
4551 case nir_instr_type_phi
:
4552 visit_phi(ctx
, nir_instr_as_phi(instr
));
4554 case nir_instr_type_ssa_undef
:
4555 visit_ssa_undef(ctx
, nir_instr_as_ssa_undef(instr
));
4557 case nir_instr_type_jump
:
4558 visit_jump(&ctx
->ac
, nir_instr_as_jump(instr
));
4560 case nir_instr_type_deref
:
4561 visit_deref(ctx
, nir_instr_as_deref(instr
));
4564 fprintf(stderr
, "Unknown NIR instr type: ");
4565 nir_print_instr(instr
, stderr
);
4566 fprintf(stderr
, "\n");
4571 _mesa_hash_table_insert(ctx
->defs
, block
,
4572 LLVMGetInsertBlock(ctx
->ac
.builder
));
4575 static void visit_if(struct ac_nir_context
*ctx
, nir_if
*if_stmt
)
4577 LLVMValueRef value
= get_src(ctx
, if_stmt
->condition
);
4579 nir_block
*then_block
=
4580 (nir_block
*) exec_list_get_head(&if_stmt
->then_list
);
4582 ac_build_uif(&ctx
->ac
, value
, then_block
->index
);
4584 visit_cf_list(ctx
, &if_stmt
->then_list
);
4586 if (!exec_list_is_empty(&if_stmt
->else_list
)) {
4587 nir_block
*else_block
=
4588 (nir_block
*) exec_list_get_head(&if_stmt
->else_list
);
4590 ac_build_else(&ctx
->ac
, else_block
->index
);
4591 visit_cf_list(ctx
, &if_stmt
->else_list
);
4594 ac_build_endif(&ctx
->ac
, then_block
->index
);
4597 static void visit_loop(struct ac_nir_context
*ctx
, nir_loop
*loop
)
4599 nir_block
*first_loop_block
=
4600 (nir_block
*) exec_list_get_head(&loop
->body
);
4602 ac_build_bgnloop(&ctx
->ac
, first_loop_block
->index
);
4604 visit_cf_list(ctx
, &loop
->body
);
4606 ac_build_endloop(&ctx
->ac
, first_loop_block
->index
);
4609 static void visit_cf_list(struct ac_nir_context
*ctx
,
4610 struct exec_list
*list
)
4612 foreach_list_typed(nir_cf_node
, node
, node
, list
)
4614 switch (node
->type
) {
4615 case nir_cf_node_block
:
4616 visit_block(ctx
, nir_cf_node_as_block(node
));
4619 case nir_cf_node_if
:
4620 visit_if(ctx
, nir_cf_node_as_if(node
));
4623 case nir_cf_node_loop
:
4624 visit_loop(ctx
, nir_cf_node_as_loop(node
));
4634 ac_handle_shader_output_decl(struct ac_llvm_context
*ctx
,
4635 struct ac_shader_abi
*abi
,
4636 struct nir_shader
*nir
,
4637 struct nir_variable
*variable
,
4638 gl_shader_stage stage
)
4640 unsigned output_loc
= variable
->data
.driver_location
/ 4;
4641 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, false);
4643 /* tess ctrl has it's own load/store paths for outputs */
4644 if (stage
== MESA_SHADER_TESS_CTRL
)
4647 if (stage
== MESA_SHADER_VERTEX
||
4648 stage
== MESA_SHADER_TESS_EVAL
||
4649 stage
== MESA_SHADER_GEOMETRY
) {
4650 int idx
= variable
->data
.location
+ variable
->data
.index
;
4651 if (idx
== VARYING_SLOT_CLIP_DIST0
) {
4652 int length
= nir
->info
.clip_distance_array_size
+
4653 nir
->info
.cull_distance_array_size
;
4662 bool is_16bit
= glsl_type_is_16bit(glsl_without_array(variable
->type
));
4663 LLVMTypeRef type
= is_16bit
? ctx
->f16
: ctx
->f32
;
4664 for (unsigned i
= 0; i
< attrib_count
; ++i
) {
4665 for (unsigned chan
= 0; chan
< 4; chan
++) {
4666 abi
->outputs
[ac_llvm_reg_index_soa(output_loc
+ i
, chan
)] =
4667 ac_build_alloca_undef(ctx
, type
, "");
4673 setup_locals(struct ac_nir_context
*ctx
,
4674 struct nir_function
*func
)
4677 ctx
->num_locals
= 0;
4678 nir_foreach_variable(variable
, &func
->impl
->locals
) {
4679 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, false);
4680 variable
->data
.driver_location
= ctx
->num_locals
* 4;
4681 variable
->data
.location_frac
= 0;
4682 ctx
->num_locals
+= attrib_count
;
4684 ctx
->locals
= malloc(4 * ctx
->num_locals
* sizeof(LLVMValueRef
));
4688 for (i
= 0; i
< ctx
->num_locals
; i
++) {
4689 for (j
= 0; j
< 4; j
++) {
4690 ctx
->locals
[i
* 4 + j
] =
4691 ac_build_alloca_undef(&ctx
->ac
, ctx
->ac
.f32
, "temp");
4697 setup_scratch(struct ac_nir_context
*ctx
,
4698 struct nir_shader
*shader
)
4700 if (shader
->scratch_size
== 0)
4703 ctx
->scratch
= ac_build_alloca_undef(&ctx
->ac
,
4704 LLVMArrayType(ctx
->ac
.i8
, shader
->scratch_size
),
4709 setup_constant_data(struct ac_nir_context
*ctx
,
4710 struct nir_shader
*shader
)
4712 if (!shader
->constant_data
)
4716 LLVMConstStringInContext(ctx
->ac
.context
,
4717 shader
->constant_data
,
4718 shader
->constant_data_size
,
4720 LLVMTypeRef type
= LLVMArrayType(ctx
->ac
.i8
, shader
->constant_data_size
);
4722 /* We want to put the constant data in the CONST address space so that
4723 * we can use scalar loads. However, LLVM versions before 10 put these
4724 * variables in the same section as the code, which is unacceptable
4725 * for RadeonSI as it needs to relocate all the data sections after
4726 * the code sections. See https://reviews.llvm.org/D65813.
4728 unsigned address_space
=
4729 LLVM_VERSION_MAJOR
< 10 ? AC_ADDR_SPACE_GLOBAL
: AC_ADDR_SPACE_CONST
;
4731 LLVMValueRef global
=
4732 LLVMAddGlobalInAddressSpace(ctx
->ac
.module
, type
,
4736 LLVMSetInitializer(global
, data
);
4737 LLVMSetGlobalConstant(global
, true);
4738 LLVMSetVisibility(global
, LLVMHiddenVisibility
);
4739 ctx
->constant_data
= global
;
4743 setup_shared(struct ac_nir_context
*ctx
,
4744 struct nir_shader
*nir
)
4746 nir_foreach_variable(variable
, &nir
->shared
) {
4747 LLVMValueRef shared
=
4748 LLVMAddGlobalInAddressSpace(
4749 ctx
->ac
.module
, glsl_to_llvm_type(&ctx
->ac
, variable
->type
),
4750 variable
->name
? variable
->name
: "",
4752 _mesa_hash_table_insert(ctx
->vars
, variable
, shared
);
4756 void ac_nir_translate(struct ac_llvm_context
*ac
, struct ac_shader_abi
*abi
,
4757 struct nir_shader
*nir
)
4759 struct ac_nir_context ctx
= {};
4760 struct nir_function
*func
;
4765 ctx
.stage
= nir
->info
.stage
;
4766 ctx
.info
= &nir
->info
;
4768 ctx
.main_function
= LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx
.ac
.builder
));
4770 nir_foreach_variable(variable
, &nir
->outputs
)
4771 ac_handle_shader_output_decl(&ctx
.ac
, ctx
.abi
, nir
, variable
,
4774 ctx
.defs
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
4775 _mesa_key_pointer_equal
);
4776 ctx
.phis
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
4777 _mesa_key_pointer_equal
);
4778 ctx
.vars
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
4779 _mesa_key_pointer_equal
);
4781 func
= (struct nir_function
*)exec_list_get_head(&nir
->functions
);
4783 nir_index_ssa_defs(func
->impl
);
4784 ctx
.ssa_defs
= calloc(func
->impl
->ssa_alloc
, sizeof(LLVMValueRef
));
4786 setup_locals(&ctx
, func
);
4787 setup_scratch(&ctx
, nir
);
4788 setup_constant_data(&ctx
, nir
);
4790 if (gl_shader_stage_is_compute(nir
->info
.stage
))
4791 setup_shared(&ctx
, nir
);
4793 visit_cf_list(&ctx
, &func
->impl
->body
);
4794 phi_post_pass(&ctx
);
4796 if (!gl_shader_stage_is_compute(nir
->info
.stage
))
4797 ctx
.abi
->emit_outputs(ctx
.abi
, AC_LLVM_MAX_OUTPUTS
,
4802 ralloc_free(ctx
.defs
);
4803 ralloc_free(ctx
.phis
);
4804 ralloc_free(ctx
.vars
);
4808 ac_lower_indirect_derefs(struct nir_shader
*nir
, enum chip_class chip_class
)
4810 /* Lower large variables to scratch first so that we won't bloat the
4811 * shader by generating large if ladders for them. We later lower
4812 * scratch to alloca's, assuming LLVM won't generate VGPR indexing.
4814 NIR_PASS_V(nir
, nir_lower_vars_to_scratch
,
4815 nir_var_function_temp
,
4817 glsl_get_natural_size_align_bytes
);
4819 /* While it would be nice not to have this flag, we are constrained
4820 * by the reality that LLVM 9.0 has buggy VGPR indexing on GFX9.
4822 bool llvm_has_working_vgpr_indexing
= chip_class
!= GFX9
;
4824 /* TODO: Indirect indexing of GS inputs is unimplemented.
4826 * TCS and TES load inputs directly from LDS or offchip memory, so
4827 * indirect indexing is trivial.
4829 nir_variable_mode indirect_mask
= 0;
4830 if (nir
->info
.stage
== MESA_SHADER_GEOMETRY
||
4831 (nir
->info
.stage
!= MESA_SHADER_TESS_CTRL
&&
4832 nir
->info
.stage
!= MESA_SHADER_TESS_EVAL
&&
4833 !llvm_has_working_vgpr_indexing
)) {
4834 indirect_mask
|= nir_var_shader_in
;
4836 if (!llvm_has_working_vgpr_indexing
&&
4837 nir
->info
.stage
!= MESA_SHADER_TESS_CTRL
)
4838 indirect_mask
|= nir_var_shader_out
;
4840 /* TODO: We shouldn't need to do this, however LLVM isn't currently
4841 * smart enough to handle indirects without causing excess spilling
4842 * causing the gpu to hang.
4844 * See the following thread for more details of the problem:
4845 * https://lists.freedesktop.org/archives/mesa-dev/2017-July/162106.html
4847 indirect_mask
|= nir_var_function_temp
;
4849 nir_lower_indirect_derefs(nir
, indirect_mask
);
4853 get_inst_tessfactor_writemask(nir_intrinsic_instr
*intrin
)
4855 if (intrin
->intrinsic
!= nir_intrinsic_store_deref
)
4859 nir_deref_instr_get_variable(nir_src_as_deref(intrin
->src
[0]));
4861 if (var
->data
.mode
!= nir_var_shader_out
)
4864 unsigned writemask
= 0;
4865 const int location
= var
->data
.location
;
4866 unsigned first_component
= var
->data
.location_frac
;
4867 unsigned num_comps
= intrin
->dest
.ssa
.num_components
;
4869 if (location
== VARYING_SLOT_TESS_LEVEL_INNER
)
4870 writemask
= ((1 << (num_comps
+ 1)) - 1) << first_component
;
4871 else if (location
== VARYING_SLOT_TESS_LEVEL_OUTER
)
4872 writemask
= (((1 << (num_comps
+ 1)) - 1) << first_component
) << 4;
4878 scan_tess_ctrl(nir_cf_node
*cf_node
, unsigned *upper_block_tf_writemask
,
4879 unsigned *cond_block_tf_writemask
,
4880 bool *tessfactors_are_def_in_all_invocs
, bool is_nested_cf
)
4882 switch (cf_node
->type
) {
4883 case nir_cf_node_block
: {
4884 nir_block
*block
= nir_cf_node_as_block(cf_node
);
4885 nir_foreach_instr(instr
, block
) {
4886 if (instr
->type
!= nir_instr_type_intrinsic
)
4889 nir_intrinsic_instr
*intrin
= nir_instr_as_intrinsic(instr
);
4890 if (intrin
->intrinsic
== nir_intrinsic_barrier
) {
4892 /* If we find a barrier in nested control flow put this in the
4893 * too hard basket. In GLSL this is not possible but it is in
4897 *tessfactors_are_def_in_all_invocs
= false;
4901 /* The following case must be prevented:
4902 * gl_TessLevelInner = ...;
4904 * if (gl_InvocationID == 1)
4905 * gl_TessLevelInner = ...;
4907 * If you consider disjoint code segments separated by barriers, each
4908 * such segment that writes tess factor channels should write the same
4909 * channels in all codepaths within that segment.
4911 if (upper_block_tf_writemask
|| cond_block_tf_writemask
) {
4912 /* Accumulate the result: */
4913 *tessfactors_are_def_in_all_invocs
&=
4914 !(*cond_block_tf_writemask
& ~(*upper_block_tf_writemask
));
4916 /* Analyze the next code segment from scratch. */
4917 *upper_block_tf_writemask
= 0;
4918 *cond_block_tf_writemask
= 0;
4921 *upper_block_tf_writemask
|= get_inst_tessfactor_writemask(intrin
);
4926 case nir_cf_node_if
: {
4927 unsigned then_tessfactor_writemask
= 0;
4928 unsigned else_tessfactor_writemask
= 0;
4930 nir_if
*if_stmt
= nir_cf_node_as_if(cf_node
);
4931 foreach_list_typed(nir_cf_node
, nested_node
, node
, &if_stmt
->then_list
) {
4932 scan_tess_ctrl(nested_node
, &then_tessfactor_writemask
,
4933 cond_block_tf_writemask
,
4934 tessfactors_are_def_in_all_invocs
, true);
4937 foreach_list_typed(nir_cf_node
, nested_node
, node
, &if_stmt
->else_list
) {
4938 scan_tess_ctrl(nested_node
, &else_tessfactor_writemask
,
4939 cond_block_tf_writemask
,
4940 tessfactors_are_def_in_all_invocs
, true);
4943 if (then_tessfactor_writemask
|| else_tessfactor_writemask
) {
4944 /* If both statements write the same tess factor channels,
4945 * we can say that the upper block writes them too.
4947 *upper_block_tf_writemask
|= then_tessfactor_writemask
&
4948 else_tessfactor_writemask
;
4949 *cond_block_tf_writemask
|= then_tessfactor_writemask
|
4950 else_tessfactor_writemask
;
4955 case nir_cf_node_loop
: {
4956 nir_loop
*loop
= nir_cf_node_as_loop(cf_node
);
4957 foreach_list_typed(nir_cf_node
, nested_node
, node
, &loop
->body
) {
4958 scan_tess_ctrl(nested_node
, cond_block_tf_writemask
,
4959 cond_block_tf_writemask
,
4960 tessfactors_are_def_in_all_invocs
, true);
4966 unreachable("unknown cf node type");
4971 ac_are_tessfactors_def_in_all_invocs(const struct nir_shader
*nir
)
4973 assert(nir
->info
.stage
== MESA_SHADER_TESS_CTRL
);
4975 /* The pass works as follows:
4976 * If all codepaths write tess factors, we can say that all
4977 * invocations define tess factors.
4979 * Each tess factor channel is tracked separately.
4981 unsigned main_block_tf_writemask
= 0; /* if main block writes tess factors */
4982 unsigned cond_block_tf_writemask
= 0; /* if cond block writes tess factors */
4984 /* Initial value = true. Here the pass will accumulate results from
4985 * multiple segments surrounded by barriers. If tess factors aren't
4986 * written at all, it's a shader bug and we don't care if this will be
4989 bool tessfactors_are_def_in_all_invocs
= true;
4991 nir_foreach_function(function
, nir
) {
4992 if (function
->impl
) {
4993 foreach_list_typed(nir_cf_node
, node
, node
, &function
->impl
->body
) {
4994 scan_tess_ctrl(node
, &main_block_tf_writemask
,
4995 &cond_block_tf_writemask
,
4996 &tessfactors_are_def_in_all_invocs
,
5002 /* Accumulate the result for the last code segment separated by a
5005 if (main_block_tf_writemask
|| cond_block_tf_writemask
) {
5006 tessfactors_are_def_in_all_invocs
&=
5007 !(cond_block_tf_writemask
& ~main_block_tf_writemask
);
5010 return tessfactors_are_def_in_all_invocs
;