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 "ac_nir_to_llvm.h"
25 #include "ac_llvm_build.h"
26 #include "ac_llvm_util.h"
27 #include "ac_binary.h"
30 #include "../vulkan/radv_descriptor_set.h"
31 #include "util/bitscan.h"
32 #include <llvm-c/Transforms/Scalar.h>
33 #include "ac_shader_abi.h"
34 #include "ac_shader_info.h"
35 #include "ac_shader_util.h"
36 #include "ac_exp_param.h"
38 enum radeon_llvm_calling_convention
{
39 RADEON_LLVM_AMDGPU_VS
= 87,
40 RADEON_LLVM_AMDGPU_GS
= 88,
41 RADEON_LLVM_AMDGPU_PS
= 89,
42 RADEON_LLVM_AMDGPU_CS
= 90,
43 RADEON_LLVM_AMDGPU_HS
= 93,
46 #define RADEON_LLVM_MAX_INPUTS (VARYING_SLOT_VAR31 + 1)
48 struct ac_nir_context
{
49 struct ac_llvm_context ac
;
50 struct ac_shader_abi
*abi
;
52 gl_shader_stage stage
;
54 struct hash_table
*defs
;
55 struct hash_table
*phis
;
56 struct hash_table
*vars
;
58 LLVMValueRef main_function
;
59 LLVMBasicBlockRef continue_block
;
60 LLVMBasicBlockRef break_block
;
66 struct radv_shader_context
{
67 struct ac_llvm_context ac
;
68 const struct ac_nir_compiler_options
*options
;
69 struct ac_shader_variant_info
*shader_info
;
70 struct ac_shader_abi abi
;
72 unsigned max_workgroup_size
;
73 LLVMContextRef context
;
74 LLVMValueRef main_function
;
76 LLVMValueRef descriptor_sets
[AC_UD_MAX_SETS
];
77 LLVMValueRef ring_offsets
;
79 LLVMValueRef vertex_buffers
;
80 LLVMValueRef rel_auto_id
;
81 LLVMValueRef vs_prim_id
;
82 LLVMValueRef ls_out_layout
;
83 LLVMValueRef es2gs_offset
;
85 LLVMValueRef tcs_offchip_layout
;
86 LLVMValueRef tcs_out_offsets
;
87 LLVMValueRef tcs_out_layout
;
88 LLVMValueRef tcs_in_layout
;
90 LLVMValueRef merged_wave_info
;
91 LLVMValueRef tess_factor_offset
;
92 LLVMValueRef tes_rel_patch_id
;
96 LLVMValueRef gsvs_ring_stride
;
97 LLVMValueRef gsvs_num_entries
;
98 LLVMValueRef gs2vs_offset
;
99 LLVMValueRef gs_wave_id
;
100 LLVMValueRef gs_vtx_offset
[6];
102 LLVMValueRef esgs_ring
;
103 LLVMValueRef gsvs_ring
;
104 LLVMValueRef hs_ring_tess_offchip
;
105 LLVMValueRef hs_ring_tess_factor
;
107 LLVMValueRef sample_pos_offset
;
108 LLVMValueRef persp_sample
, persp_center
, persp_centroid
;
109 LLVMValueRef linear_sample
, linear_center
, linear_centroid
;
111 gl_shader_stage stage
;
113 LLVMValueRef inputs
[RADEON_LLVM_MAX_INPUTS
* 4];
116 uint64_t output_mask
;
117 uint8_t num_output_clips
;
118 uint8_t num_output_culls
;
120 bool is_gs_copy_shader
;
121 LLVMValueRef gs_next_vertex
;
122 unsigned gs_max_out_vertices
;
124 unsigned tes_primitive_mode
;
125 uint64_t tess_outputs_written
;
126 uint64_t tess_patch_outputs_written
;
128 uint32_t tcs_patch_outputs_read
;
129 uint64_t tcs_outputs_read
;
130 uint32_t tcs_vertices_per_patch
;
133 static inline struct radv_shader_context
*
134 radv_shader_context_from_abi(struct ac_shader_abi
*abi
)
136 struct radv_shader_context
*ctx
= NULL
;
137 return container_of(abi
, ctx
, abi
);
140 static LLVMValueRef
get_sampler_desc(struct ac_nir_context
*ctx
,
141 const nir_deref_var
*deref
,
142 enum ac_descriptor_type desc_type
,
143 const nir_tex_instr
*instr
,
144 bool image
, bool write
);
146 static unsigned radeon_llvm_reg_index_soa(unsigned index
, unsigned chan
)
148 return (index
* 4) + chan
;
151 static unsigned shader_io_get_unique_index(gl_varying_slot slot
)
153 /* handle patch indices separate */
154 if (slot
== VARYING_SLOT_TESS_LEVEL_OUTER
)
156 if (slot
== VARYING_SLOT_TESS_LEVEL_INNER
)
158 if (slot
>= VARYING_SLOT_PATCH0
&& slot
<= VARYING_SLOT_TESS_MAX
)
159 return 2 + (slot
- VARYING_SLOT_PATCH0
);
161 if (slot
== VARYING_SLOT_POS
)
163 if (slot
== VARYING_SLOT_PSIZ
)
165 if (slot
== VARYING_SLOT_CLIP_DIST0
)
167 /* 3 is reserved for clip dist as well */
168 if (slot
>= VARYING_SLOT_VAR0
&& slot
<= VARYING_SLOT_VAR31
)
169 return 4 + (slot
- VARYING_SLOT_VAR0
);
170 unreachable("illegal slot in get unique index\n");
173 static void set_llvm_calling_convention(LLVMValueRef func
,
174 gl_shader_stage stage
)
176 enum radeon_llvm_calling_convention calling_conv
;
179 case MESA_SHADER_VERTEX
:
180 case MESA_SHADER_TESS_EVAL
:
181 calling_conv
= RADEON_LLVM_AMDGPU_VS
;
183 case MESA_SHADER_GEOMETRY
:
184 calling_conv
= RADEON_LLVM_AMDGPU_GS
;
186 case MESA_SHADER_TESS_CTRL
:
187 calling_conv
= HAVE_LLVM
>= 0x0500 ? RADEON_LLVM_AMDGPU_HS
: RADEON_LLVM_AMDGPU_VS
;
189 case MESA_SHADER_FRAGMENT
:
190 calling_conv
= RADEON_LLVM_AMDGPU_PS
;
192 case MESA_SHADER_COMPUTE
:
193 calling_conv
= RADEON_LLVM_AMDGPU_CS
;
196 unreachable("Unhandle shader type");
199 LLVMSetFunctionCallConv(func
, calling_conv
);
204 LLVMTypeRef types
[MAX_ARGS
];
205 LLVMValueRef
*assign
[MAX_ARGS
];
206 unsigned array_params_mask
;
209 uint8_t num_sgprs_used
;
210 uint8_t num_vgprs_used
;
213 enum ac_arg_regfile
{
219 add_arg(struct arg_info
*info
, enum ac_arg_regfile regfile
, LLVMTypeRef type
,
220 LLVMValueRef
*param_ptr
)
222 assert(info
->count
< MAX_ARGS
);
224 info
->assign
[info
->count
] = param_ptr
;
225 info
->types
[info
->count
] = type
;
228 if (regfile
== ARG_SGPR
) {
229 info
->num_sgprs_used
+= ac_get_type_size(type
) / 4;
232 assert(regfile
== ARG_VGPR
);
233 info
->num_vgprs_used
+= ac_get_type_size(type
) / 4;
238 add_array_arg(struct arg_info
*info
, LLVMTypeRef type
, LLVMValueRef
*param_ptr
)
240 info
->array_params_mask
|= (1 << info
->count
);
241 add_arg(info
, ARG_SGPR
, type
, param_ptr
);
244 static void assign_arguments(LLVMValueRef main_function
,
245 struct arg_info
*info
)
248 for (i
= 0; i
< info
->count
; i
++) {
250 *info
->assign
[i
] = LLVMGetParam(main_function
, i
);
255 create_llvm_function(LLVMContextRef ctx
, LLVMModuleRef module
,
256 LLVMBuilderRef builder
, LLVMTypeRef
*return_types
,
257 unsigned num_return_elems
,
258 struct arg_info
*args
,
259 unsigned max_workgroup_size
,
262 LLVMTypeRef main_function_type
, ret_type
;
263 LLVMBasicBlockRef main_function_body
;
265 if (num_return_elems
)
266 ret_type
= LLVMStructTypeInContext(ctx
, return_types
,
267 num_return_elems
, true);
269 ret_type
= LLVMVoidTypeInContext(ctx
);
271 /* Setup the function */
273 LLVMFunctionType(ret_type
, args
->types
, args
->count
, 0);
274 LLVMValueRef main_function
=
275 LLVMAddFunction(module
, "main", main_function_type
);
277 LLVMAppendBasicBlockInContext(ctx
, main_function
, "main_body");
278 LLVMPositionBuilderAtEnd(builder
, main_function_body
);
280 LLVMSetFunctionCallConv(main_function
, RADEON_LLVM_AMDGPU_CS
);
281 for (unsigned i
= 0; i
< args
->sgpr_count
; ++i
) {
282 ac_add_function_attr(ctx
, main_function
, i
+ 1, AC_FUNC_ATTR_INREG
);
284 if (args
->array_params_mask
& (1 << i
)) {
285 LLVMValueRef P
= LLVMGetParam(main_function
, i
);
286 ac_add_function_attr(ctx
, main_function
, i
+ 1, AC_FUNC_ATTR_NOALIAS
);
287 ac_add_attr_dereferenceable(P
, UINT64_MAX
);
291 if (max_workgroup_size
) {
292 ac_llvm_add_target_dep_function_attr(main_function
,
293 "amdgpu-max-work-group-size",
297 /* These were copied from some LLVM test. */
298 LLVMAddTargetDependentFunctionAttr(main_function
,
299 "less-precise-fpmad",
301 LLVMAddTargetDependentFunctionAttr(main_function
,
304 LLVMAddTargetDependentFunctionAttr(main_function
,
307 LLVMAddTargetDependentFunctionAttr(main_function
,
310 LLVMAddTargetDependentFunctionAttr(main_function
,
311 "no-signed-zeros-fp-math",
314 return main_function
;
317 static LLVMValueRef
unpack_param(struct ac_llvm_context
*ctx
,
318 LLVMValueRef param
, unsigned rshift
,
321 LLVMValueRef value
= param
;
323 value
= LLVMBuildLShr(ctx
->builder
, value
,
324 LLVMConstInt(ctx
->i32
, rshift
, false), "");
326 if (rshift
+ bitwidth
< 32) {
327 unsigned mask
= (1 << bitwidth
) - 1;
328 value
= LLVMBuildAnd(ctx
->builder
, value
,
329 LLVMConstInt(ctx
->i32
, mask
, false), "");
334 static LLVMValueRef
get_rel_patch_id(struct radv_shader_context
*ctx
)
336 switch (ctx
->stage
) {
337 case MESA_SHADER_TESS_CTRL
:
338 return unpack_param(&ctx
->ac
, ctx
->abi
.tcs_rel_ids
, 0, 8);
339 case MESA_SHADER_TESS_EVAL
:
340 return ctx
->tes_rel_patch_id
;
343 unreachable("Illegal stage");
347 /* Tessellation shaders pass outputs to the next shader using LDS.
349 * LS outputs = TCS inputs
350 * TCS outputs = TES inputs
353 * - TCS inputs for patch 0
354 * - TCS inputs for patch 1
355 * - TCS inputs for patch 2 = get_tcs_in_current_patch_offset (if RelPatchID==2)
357 * - TCS outputs for patch 0 = get_tcs_out_patch0_offset
358 * - Per-patch TCS outputs for patch 0 = get_tcs_out_patch0_patch_data_offset
359 * - TCS outputs for patch 1
360 * - Per-patch TCS outputs for patch 1
361 * - TCS outputs for patch 2 = get_tcs_out_current_patch_offset (if RelPatchID==2)
362 * - Per-patch TCS outputs for patch 2 = get_tcs_out_current_patch_data_offset (if RelPatchID==2)
365 * All three shaders VS(LS), TCS, TES share the same LDS space.
368 get_tcs_in_patch_stride(struct radv_shader_context
*ctx
)
370 if (ctx
->stage
== MESA_SHADER_VERTEX
)
371 return unpack_param(&ctx
->ac
, ctx
->ls_out_layout
, 0, 13);
372 else if (ctx
->stage
== MESA_SHADER_TESS_CTRL
)
373 return unpack_param(&ctx
->ac
, ctx
->tcs_in_layout
, 0, 13);
381 get_tcs_out_patch_stride(struct radv_shader_context
*ctx
)
383 return unpack_param(&ctx
->ac
, ctx
->tcs_out_layout
, 0, 13);
387 get_tcs_out_vertex_stride(struct radv_shader_context
*ctx
)
389 return unpack_param(&ctx
->ac
, ctx
->tcs_out_layout
, 13, 8);
393 get_tcs_out_patch0_offset(struct radv_shader_context
*ctx
)
395 return LLVMBuildMul(ctx
->ac
.builder
,
396 unpack_param(&ctx
->ac
, ctx
->tcs_out_offsets
, 0, 16),
397 LLVMConstInt(ctx
->ac
.i32
, 4, false), "");
401 get_tcs_out_patch0_patch_data_offset(struct radv_shader_context
*ctx
)
403 return LLVMBuildMul(ctx
->ac
.builder
,
404 unpack_param(&ctx
->ac
, ctx
->tcs_out_offsets
, 16, 16),
405 LLVMConstInt(ctx
->ac
.i32
, 4, false), "");
409 get_tcs_in_current_patch_offset(struct radv_shader_context
*ctx
)
411 LLVMValueRef patch_stride
= get_tcs_in_patch_stride(ctx
);
412 LLVMValueRef rel_patch_id
= get_rel_patch_id(ctx
);
414 return LLVMBuildMul(ctx
->ac
.builder
, patch_stride
, rel_patch_id
, "");
418 get_tcs_out_current_patch_offset(struct radv_shader_context
*ctx
)
420 LLVMValueRef patch0_offset
= get_tcs_out_patch0_offset(ctx
);
421 LLVMValueRef patch_stride
= get_tcs_out_patch_stride(ctx
);
422 LLVMValueRef rel_patch_id
= get_rel_patch_id(ctx
);
424 return LLVMBuildAdd(ctx
->ac
.builder
, patch0_offset
,
425 LLVMBuildMul(ctx
->ac
.builder
, patch_stride
,
431 get_tcs_out_current_patch_data_offset(struct radv_shader_context
*ctx
)
433 LLVMValueRef patch0_patch_data_offset
=
434 get_tcs_out_patch0_patch_data_offset(ctx
);
435 LLVMValueRef patch_stride
= get_tcs_out_patch_stride(ctx
);
436 LLVMValueRef rel_patch_id
= get_rel_patch_id(ctx
);
438 return LLVMBuildAdd(ctx
->ac
.builder
, patch0_patch_data_offset
,
439 LLVMBuildMul(ctx
->ac
.builder
, patch_stride
,
445 set_loc(struct ac_userdata_info
*ud_info
, uint8_t *sgpr_idx
, uint8_t num_sgprs
,
446 uint32_t indirect_offset
)
448 ud_info
->sgpr_idx
= *sgpr_idx
;
449 ud_info
->num_sgprs
= num_sgprs
;
450 ud_info
->indirect
= indirect_offset
> 0;
451 ud_info
->indirect_offset
= indirect_offset
;
452 *sgpr_idx
+= num_sgprs
;
456 set_loc_shader(struct radv_shader_context
*ctx
, int idx
, uint8_t *sgpr_idx
,
459 struct ac_userdata_info
*ud_info
=
460 &ctx
->shader_info
->user_sgprs_locs
.shader_data
[idx
];
463 set_loc(ud_info
, sgpr_idx
, num_sgprs
, 0);
467 set_loc_desc(struct radv_shader_context
*ctx
, int idx
, uint8_t *sgpr_idx
,
468 uint32_t indirect_offset
)
470 struct ac_userdata_info
*ud_info
=
471 &ctx
->shader_info
->user_sgprs_locs
.descriptor_sets
[idx
];
474 set_loc(ud_info
, sgpr_idx
, 2, indirect_offset
);
477 struct user_sgpr_info
{
478 bool need_ring_offsets
;
480 bool indirect_all_descriptor_sets
;
483 static bool needs_view_index_sgpr(struct radv_shader_context
*ctx
,
484 gl_shader_stage stage
)
487 case MESA_SHADER_VERTEX
:
488 if (ctx
->shader_info
->info
.needs_multiview_view_index
||
489 (!ctx
->options
->key
.vs
.as_es
&& !ctx
->options
->key
.vs
.as_ls
&& ctx
->options
->key
.has_multiview_view_index
))
492 case MESA_SHADER_TESS_EVAL
:
493 if (ctx
->shader_info
->info
.needs_multiview_view_index
|| (!ctx
->options
->key
.tes
.as_es
&& ctx
->options
->key
.has_multiview_view_index
))
496 case MESA_SHADER_GEOMETRY
:
497 case MESA_SHADER_TESS_CTRL
:
498 if (ctx
->shader_info
->info
.needs_multiview_view_index
)
508 count_vs_user_sgprs(struct radv_shader_context
*ctx
)
512 count
+= ctx
->shader_info
->info
.vs
.has_vertex_buffers
? 2 : 0;
513 count
+= ctx
->shader_info
->info
.vs
.needs_draw_id
? 3 : 2;
518 static void allocate_user_sgprs(struct radv_shader_context
*ctx
,
519 gl_shader_stage stage
,
520 bool has_previous_stage
,
521 gl_shader_stage previous_stage
,
522 bool needs_view_index
,
523 struct user_sgpr_info
*user_sgpr_info
)
525 memset(user_sgpr_info
, 0, sizeof(struct user_sgpr_info
));
527 /* until we sort out scratch/global buffers always assign ring offsets for gs/vs/es */
528 if (stage
== MESA_SHADER_GEOMETRY
||
529 stage
== MESA_SHADER_VERTEX
||
530 stage
== MESA_SHADER_TESS_CTRL
||
531 stage
== MESA_SHADER_TESS_EVAL
||
532 ctx
->is_gs_copy_shader
)
533 user_sgpr_info
->need_ring_offsets
= true;
535 if (stage
== MESA_SHADER_FRAGMENT
&&
536 ctx
->shader_info
->info
.ps
.needs_sample_positions
)
537 user_sgpr_info
->need_ring_offsets
= true;
539 /* 2 user sgprs will nearly always be allocated for scratch/rings */
540 if (ctx
->options
->supports_spill
|| user_sgpr_info
->need_ring_offsets
) {
541 user_sgpr_info
->sgpr_count
+= 2;
545 case MESA_SHADER_COMPUTE
:
546 if (ctx
->shader_info
->info
.cs
.uses_grid_size
)
547 user_sgpr_info
->sgpr_count
+= 3;
549 case MESA_SHADER_FRAGMENT
:
550 user_sgpr_info
->sgpr_count
+= ctx
->shader_info
->info
.ps
.needs_sample_positions
;
552 case MESA_SHADER_VERTEX
:
553 if (!ctx
->is_gs_copy_shader
)
554 user_sgpr_info
->sgpr_count
+= count_vs_user_sgprs(ctx
);
555 if (ctx
->options
->key
.vs
.as_ls
)
556 user_sgpr_info
->sgpr_count
++;
558 case MESA_SHADER_TESS_CTRL
:
559 if (has_previous_stage
) {
560 if (previous_stage
== MESA_SHADER_VERTEX
)
561 user_sgpr_info
->sgpr_count
+= count_vs_user_sgprs(ctx
);
562 user_sgpr_info
->sgpr_count
++;
564 user_sgpr_info
->sgpr_count
+= 4;
566 case MESA_SHADER_TESS_EVAL
:
567 user_sgpr_info
->sgpr_count
+= 1;
569 case MESA_SHADER_GEOMETRY
:
570 if (has_previous_stage
) {
571 if (previous_stage
== MESA_SHADER_VERTEX
) {
572 user_sgpr_info
->sgpr_count
+= count_vs_user_sgprs(ctx
);
574 user_sgpr_info
->sgpr_count
++;
577 user_sgpr_info
->sgpr_count
+= 2;
583 if (needs_view_index
)
584 user_sgpr_info
->sgpr_count
++;
586 if (ctx
->shader_info
->info
.loads_push_constants
)
587 user_sgpr_info
->sgpr_count
+= 2;
589 uint32_t available_sgprs
= ctx
->options
->chip_class
>= GFX9
? 32 : 16;
590 uint32_t remaining_sgprs
= available_sgprs
- user_sgpr_info
->sgpr_count
;
592 if (remaining_sgprs
/ 2 < util_bitcount(ctx
->shader_info
->info
.desc_set_used_mask
)) {
593 user_sgpr_info
->sgpr_count
+= 2;
594 user_sgpr_info
->indirect_all_descriptor_sets
= true;
596 user_sgpr_info
->sgpr_count
+= util_bitcount(ctx
->shader_info
->info
.desc_set_used_mask
) * 2;
601 declare_global_input_sgprs(struct radv_shader_context
*ctx
,
602 gl_shader_stage stage
,
603 bool has_previous_stage
,
604 gl_shader_stage previous_stage
,
605 const struct user_sgpr_info
*user_sgpr_info
,
606 struct arg_info
*args
,
607 LLVMValueRef
*desc_sets
)
609 LLVMTypeRef type
= ac_array_in_const_addr_space(ctx
->ac
.i8
);
610 unsigned num_sets
= ctx
->options
->layout
?
611 ctx
->options
->layout
->num_sets
: 0;
612 unsigned stage_mask
= 1 << stage
;
614 if (has_previous_stage
)
615 stage_mask
|= 1 << previous_stage
;
617 /* 1 for each descriptor set */
618 if (!user_sgpr_info
->indirect_all_descriptor_sets
) {
619 for (unsigned i
= 0; i
< num_sets
; ++i
) {
620 if ((ctx
->shader_info
->info
.desc_set_used_mask
& (1 << i
)) &&
621 ctx
->options
->layout
->set
[i
].layout
->shader_stages
& stage_mask
) {
622 add_array_arg(args
, type
,
623 &ctx
->descriptor_sets
[i
]);
627 add_array_arg(args
, ac_array_in_const_addr_space(type
), desc_sets
);
630 if (ctx
->shader_info
->info
.loads_push_constants
) {
631 /* 1 for push constants and dynamic descriptors */
632 add_array_arg(args
, type
, &ctx
->abi
.push_constants
);
637 declare_vs_specific_input_sgprs(struct radv_shader_context
*ctx
,
638 gl_shader_stage stage
,
639 bool has_previous_stage
,
640 gl_shader_stage previous_stage
,
641 struct arg_info
*args
)
643 if (!ctx
->is_gs_copy_shader
&&
644 (stage
== MESA_SHADER_VERTEX
||
645 (has_previous_stage
&& previous_stage
== MESA_SHADER_VERTEX
))) {
646 if (ctx
->shader_info
->info
.vs
.has_vertex_buffers
) {
647 add_arg(args
, ARG_SGPR
, ac_array_in_const_addr_space(ctx
->ac
.v4i32
),
648 &ctx
->vertex_buffers
);
650 add_arg(args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->abi
.base_vertex
);
651 add_arg(args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->abi
.start_instance
);
652 if (ctx
->shader_info
->info
.vs
.needs_draw_id
) {
653 add_arg(args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->abi
.draw_id
);
659 declare_vs_input_vgprs(struct radv_shader_context
*ctx
, struct arg_info
*args
)
661 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.vertex_id
);
662 if (!ctx
->is_gs_copy_shader
) {
663 if (ctx
->options
->key
.vs
.as_ls
) {
664 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->rel_auto_id
);
665 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.instance_id
);
667 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.instance_id
);
668 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->vs_prim_id
);
670 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, NULL
); /* unused */
675 declare_tes_input_vgprs(struct radv_shader_context
*ctx
, struct arg_info
*args
)
677 add_arg(args
, ARG_VGPR
, ctx
->ac
.f32
, &ctx
->tes_u
);
678 add_arg(args
, ARG_VGPR
, ctx
->ac
.f32
, &ctx
->tes_v
);
679 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->tes_rel_patch_id
);
680 add_arg(args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.tes_patch_id
);
684 set_global_input_locs(struct radv_shader_context
*ctx
, gl_shader_stage stage
,
685 bool has_previous_stage
, gl_shader_stage previous_stage
,
686 const struct user_sgpr_info
*user_sgpr_info
,
687 LLVMValueRef desc_sets
, uint8_t *user_sgpr_idx
)
689 unsigned num_sets
= ctx
->options
->layout
?
690 ctx
->options
->layout
->num_sets
: 0;
691 unsigned stage_mask
= 1 << stage
;
693 if (has_previous_stage
)
694 stage_mask
|= 1 << previous_stage
;
696 if (!user_sgpr_info
->indirect_all_descriptor_sets
) {
697 for (unsigned i
= 0; i
< num_sets
; ++i
) {
698 if ((ctx
->shader_info
->info
.desc_set_used_mask
& (1 << i
)) &&
699 ctx
->options
->layout
->set
[i
].layout
->shader_stages
& stage_mask
) {
700 set_loc_desc(ctx
, i
, user_sgpr_idx
, 0);
702 ctx
->descriptor_sets
[i
] = NULL
;
705 set_loc_shader(ctx
, AC_UD_INDIRECT_DESCRIPTOR_SETS
,
708 for (unsigned i
= 0; i
< num_sets
; ++i
) {
709 if ((ctx
->shader_info
->info
.desc_set_used_mask
& (1 << i
)) &&
710 ctx
->options
->layout
->set
[i
].layout
->shader_stages
& stage_mask
) {
711 set_loc_desc(ctx
, i
, user_sgpr_idx
, i
* 8);
712 ctx
->descriptor_sets
[i
] =
713 ac_build_load_to_sgpr(&ctx
->ac
,
715 LLVMConstInt(ctx
->ac
.i32
, i
, false));
718 ctx
->descriptor_sets
[i
] = NULL
;
720 ctx
->shader_info
->need_indirect_descriptor_sets
= true;
723 if (ctx
->shader_info
->info
.loads_push_constants
) {
724 set_loc_shader(ctx
, AC_UD_PUSH_CONSTANTS
, user_sgpr_idx
, 2);
729 set_vs_specific_input_locs(struct radv_shader_context
*ctx
,
730 gl_shader_stage stage
, bool has_previous_stage
,
731 gl_shader_stage previous_stage
,
732 uint8_t *user_sgpr_idx
)
734 if (!ctx
->is_gs_copy_shader
&&
735 (stage
== MESA_SHADER_VERTEX
||
736 (has_previous_stage
&& previous_stage
== MESA_SHADER_VERTEX
))) {
737 if (ctx
->shader_info
->info
.vs
.has_vertex_buffers
) {
738 set_loc_shader(ctx
, AC_UD_VS_VERTEX_BUFFERS
,
743 if (ctx
->shader_info
->info
.vs
.needs_draw_id
)
746 set_loc_shader(ctx
, AC_UD_VS_BASE_VERTEX_START_INSTANCE
,
747 user_sgpr_idx
, vs_num
);
751 static void create_function(struct radv_shader_context
*ctx
,
752 gl_shader_stage stage
,
753 bool has_previous_stage
,
754 gl_shader_stage previous_stage
)
756 uint8_t user_sgpr_idx
;
757 struct user_sgpr_info user_sgpr_info
;
758 struct arg_info args
= {};
759 LLVMValueRef desc_sets
;
760 bool needs_view_index
= needs_view_index_sgpr(ctx
, stage
);
761 allocate_user_sgprs(ctx
, stage
, has_previous_stage
,
762 previous_stage
, needs_view_index
, &user_sgpr_info
);
764 if (user_sgpr_info
.need_ring_offsets
&& !ctx
->options
->supports_spill
) {
765 add_arg(&args
, ARG_SGPR
, ac_array_in_const_addr_space(ctx
->ac
.v4i32
),
770 case MESA_SHADER_COMPUTE
:
771 declare_global_input_sgprs(ctx
, stage
, has_previous_stage
,
772 previous_stage
, &user_sgpr_info
,
775 if (ctx
->shader_info
->info
.cs
.uses_grid_size
) {
776 add_arg(&args
, ARG_SGPR
, ctx
->ac
.v3i32
,
777 &ctx
->abi
.num_work_groups
);
780 for (int i
= 0; i
< 3; i
++) {
781 ctx
->abi
.workgroup_ids
[i
] = NULL
;
782 if (ctx
->shader_info
->info
.cs
.uses_block_id
[i
]) {
783 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
784 &ctx
->abi
.workgroup_ids
[i
]);
788 if (ctx
->shader_info
->info
.cs
.uses_local_invocation_idx
)
789 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->abi
.tg_size
);
790 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v3i32
,
791 &ctx
->abi
.local_invocation_ids
);
793 case MESA_SHADER_VERTEX
:
794 declare_global_input_sgprs(ctx
, stage
, has_previous_stage
,
795 previous_stage
, &user_sgpr_info
,
797 declare_vs_specific_input_sgprs(ctx
, stage
, has_previous_stage
,
798 previous_stage
, &args
);
800 if (needs_view_index
)
801 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
802 &ctx
->abi
.view_index
);
803 if (ctx
->options
->key
.vs
.as_es
)
804 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
806 else if (ctx
->options
->key
.vs
.as_ls
)
807 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
808 &ctx
->ls_out_layout
);
810 declare_vs_input_vgprs(ctx
, &args
);
812 case MESA_SHADER_TESS_CTRL
:
813 if (has_previous_stage
) {
814 // First 6 system regs
815 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->oc_lds
);
816 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
817 &ctx
->merged_wave_info
);
818 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
819 &ctx
->tess_factor_offset
);
821 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
); // scratch offset
822 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
); // unknown
823 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
); // unknown
825 declare_global_input_sgprs(ctx
, stage
,
828 &user_sgpr_info
, &args
,
830 declare_vs_specific_input_sgprs(ctx
, stage
,
832 previous_stage
, &args
);
834 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
835 &ctx
->ls_out_layout
);
837 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
838 &ctx
->tcs_offchip_layout
);
839 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
840 &ctx
->tcs_out_offsets
);
841 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
842 &ctx
->tcs_out_layout
);
843 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
844 &ctx
->tcs_in_layout
);
845 if (needs_view_index
)
846 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
847 &ctx
->abi
.view_index
);
849 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
850 &ctx
->abi
.tcs_patch_id
);
851 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
852 &ctx
->abi
.tcs_rel_ids
);
854 declare_vs_input_vgprs(ctx
, &args
);
856 declare_global_input_sgprs(ctx
, stage
,
859 &user_sgpr_info
, &args
,
862 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
863 &ctx
->tcs_offchip_layout
);
864 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
865 &ctx
->tcs_out_offsets
);
866 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
867 &ctx
->tcs_out_layout
);
868 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
869 &ctx
->tcs_in_layout
);
870 if (needs_view_index
)
871 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
872 &ctx
->abi
.view_index
);
874 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->oc_lds
);
875 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
876 &ctx
->tess_factor_offset
);
877 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
878 &ctx
->abi
.tcs_patch_id
);
879 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
880 &ctx
->abi
.tcs_rel_ids
);
883 case MESA_SHADER_TESS_EVAL
:
884 declare_global_input_sgprs(ctx
, stage
, has_previous_stage
,
885 previous_stage
, &user_sgpr_info
,
888 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->tcs_offchip_layout
);
889 if (needs_view_index
)
890 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
891 &ctx
->abi
.view_index
);
893 if (ctx
->options
->key
.tes
.as_es
) {
894 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->oc_lds
);
895 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
);
896 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
899 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
);
900 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->oc_lds
);
902 declare_tes_input_vgprs(ctx
, &args
);
904 case MESA_SHADER_GEOMETRY
:
905 if (has_previous_stage
) {
906 // First 6 system regs
907 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
909 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
910 &ctx
->merged_wave_info
);
911 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->oc_lds
);
913 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
); // scratch offset
914 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
); // unknown
915 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, NULL
); // unknown
917 declare_global_input_sgprs(ctx
, stage
,
920 &user_sgpr_info
, &args
,
923 if (previous_stage
== MESA_SHADER_TESS_EVAL
) {
924 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
925 &ctx
->tcs_offchip_layout
);
927 declare_vs_specific_input_sgprs(ctx
, stage
,
933 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
934 &ctx
->gsvs_ring_stride
);
935 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
936 &ctx
->gsvs_num_entries
);
937 if (needs_view_index
)
938 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
939 &ctx
->abi
.view_index
);
941 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
942 &ctx
->gs_vtx_offset
[0]);
943 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
944 &ctx
->gs_vtx_offset
[2]);
945 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
946 &ctx
->abi
.gs_prim_id
);
947 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
948 &ctx
->abi
.gs_invocation_id
);
949 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
950 &ctx
->gs_vtx_offset
[4]);
952 if (previous_stage
== MESA_SHADER_VERTEX
) {
953 declare_vs_input_vgprs(ctx
, &args
);
955 declare_tes_input_vgprs(ctx
, &args
);
958 declare_global_input_sgprs(ctx
, stage
,
961 &user_sgpr_info
, &args
,
964 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
965 &ctx
->gsvs_ring_stride
);
966 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
967 &ctx
->gsvs_num_entries
);
968 if (needs_view_index
)
969 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
970 &ctx
->abi
.view_index
);
972 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->gs2vs_offset
);
973 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->gs_wave_id
);
974 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
975 &ctx
->gs_vtx_offset
[0]);
976 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
977 &ctx
->gs_vtx_offset
[1]);
978 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
979 &ctx
->abi
.gs_prim_id
);
980 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
981 &ctx
->gs_vtx_offset
[2]);
982 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
983 &ctx
->gs_vtx_offset
[3]);
984 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
985 &ctx
->gs_vtx_offset
[4]);
986 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
987 &ctx
->gs_vtx_offset
[5]);
988 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
,
989 &ctx
->abi
.gs_invocation_id
);
992 case MESA_SHADER_FRAGMENT
:
993 declare_global_input_sgprs(ctx
, stage
, has_previous_stage
,
994 previous_stage
, &user_sgpr_info
,
997 if (ctx
->shader_info
->info
.ps
.needs_sample_positions
)
998 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
,
999 &ctx
->sample_pos_offset
);
1001 add_arg(&args
, ARG_SGPR
, ctx
->ac
.i32
, &ctx
->abi
.prim_mask
);
1002 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v2i32
, &ctx
->persp_sample
);
1003 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v2i32
, &ctx
->persp_center
);
1004 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v2i32
, &ctx
->persp_centroid
);
1005 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v3i32
, NULL
); /* persp pull model */
1006 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v2i32
, &ctx
->linear_sample
);
1007 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v2i32
, &ctx
->linear_center
);
1008 add_arg(&args
, ARG_VGPR
, ctx
->ac
.v2i32
, &ctx
->linear_centroid
);
1009 add_arg(&args
, ARG_VGPR
, ctx
->ac
.f32
, NULL
); /* line stipple tex */
1010 add_arg(&args
, ARG_VGPR
, ctx
->ac
.f32
, &ctx
->abi
.frag_pos
[0]);
1011 add_arg(&args
, ARG_VGPR
, ctx
->ac
.f32
, &ctx
->abi
.frag_pos
[1]);
1012 add_arg(&args
, ARG_VGPR
, ctx
->ac
.f32
, &ctx
->abi
.frag_pos
[2]);
1013 add_arg(&args
, ARG_VGPR
, ctx
->ac
.f32
, &ctx
->abi
.frag_pos
[3]);
1014 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.front_face
);
1015 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.ancillary
);
1016 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
, &ctx
->abi
.sample_coverage
);
1017 add_arg(&args
, ARG_VGPR
, ctx
->ac
.i32
, NULL
); /* fixed pt */
1020 unreachable("Shader stage not implemented");
1023 ctx
->main_function
= create_llvm_function(
1024 ctx
->context
, ctx
->ac
.module
, ctx
->ac
.builder
, NULL
, 0, &args
,
1025 ctx
->max_workgroup_size
,
1026 ctx
->options
->unsafe_math
);
1027 set_llvm_calling_convention(ctx
->main_function
, stage
);
1030 ctx
->shader_info
->num_input_vgprs
= 0;
1031 ctx
->shader_info
->num_input_sgprs
= ctx
->options
->supports_spill
? 2 : 0;
1033 ctx
->shader_info
->num_input_sgprs
+= args
.num_sgprs_used
;
1035 if (ctx
->stage
!= MESA_SHADER_FRAGMENT
)
1036 ctx
->shader_info
->num_input_vgprs
= args
.num_vgprs_used
;
1038 assign_arguments(ctx
->main_function
, &args
);
1042 if (ctx
->options
->supports_spill
|| user_sgpr_info
.need_ring_offsets
) {
1043 set_loc_shader(ctx
, AC_UD_SCRATCH_RING_OFFSETS
,
1045 if (ctx
->options
->supports_spill
) {
1046 ctx
->ring_offsets
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.implicit.buffer.ptr",
1047 LLVMPointerType(ctx
->ac
.i8
, AC_CONST_ADDR_SPACE
),
1048 NULL
, 0, AC_FUNC_ATTR_READNONE
);
1049 ctx
->ring_offsets
= LLVMBuildBitCast(ctx
->ac
.builder
, ctx
->ring_offsets
,
1050 ac_array_in_const_addr_space(ctx
->ac
.v4i32
), "");
1054 /* For merged shaders the user SGPRs start at 8, with 8 system SGPRs in front (including
1055 * the rw_buffers at s0/s1. With user SGPR0 = s8, lets restart the count from 0 */
1056 if (has_previous_stage
)
1059 set_global_input_locs(ctx
, stage
, has_previous_stage
, previous_stage
,
1060 &user_sgpr_info
, desc_sets
, &user_sgpr_idx
);
1063 case MESA_SHADER_COMPUTE
:
1064 if (ctx
->shader_info
->info
.cs
.uses_grid_size
) {
1065 set_loc_shader(ctx
, AC_UD_CS_GRID_SIZE
,
1069 case MESA_SHADER_VERTEX
:
1070 set_vs_specific_input_locs(ctx
, stage
, has_previous_stage
,
1071 previous_stage
, &user_sgpr_idx
);
1072 if (ctx
->abi
.view_index
)
1073 set_loc_shader(ctx
, AC_UD_VIEW_INDEX
, &user_sgpr_idx
, 1);
1074 if (ctx
->options
->key
.vs
.as_ls
) {
1075 set_loc_shader(ctx
, AC_UD_VS_LS_TCS_IN_LAYOUT
,
1079 case MESA_SHADER_TESS_CTRL
:
1080 set_vs_specific_input_locs(ctx
, stage
, has_previous_stage
,
1081 previous_stage
, &user_sgpr_idx
);
1082 if (has_previous_stage
)
1083 set_loc_shader(ctx
, AC_UD_VS_LS_TCS_IN_LAYOUT
,
1085 set_loc_shader(ctx
, AC_UD_TCS_OFFCHIP_LAYOUT
, &user_sgpr_idx
, 4);
1086 if (ctx
->abi
.view_index
)
1087 set_loc_shader(ctx
, AC_UD_VIEW_INDEX
, &user_sgpr_idx
, 1);
1089 case MESA_SHADER_TESS_EVAL
:
1090 set_loc_shader(ctx
, AC_UD_TES_OFFCHIP_LAYOUT
, &user_sgpr_idx
, 1);
1091 if (ctx
->abi
.view_index
)
1092 set_loc_shader(ctx
, AC_UD_VIEW_INDEX
, &user_sgpr_idx
, 1);
1094 case MESA_SHADER_GEOMETRY
:
1095 if (has_previous_stage
) {
1096 if (previous_stage
== MESA_SHADER_VERTEX
)
1097 set_vs_specific_input_locs(ctx
, stage
,
1102 set_loc_shader(ctx
, AC_UD_TES_OFFCHIP_LAYOUT
,
1105 set_loc_shader(ctx
, AC_UD_GS_VS_RING_STRIDE_ENTRIES
,
1107 if (ctx
->abi
.view_index
)
1108 set_loc_shader(ctx
, AC_UD_VIEW_INDEX
, &user_sgpr_idx
, 1);
1110 case MESA_SHADER_FRAGMENT
:
1111 if (ctx
->shader_info
->info
.ps
.needs_sample_positions
) {
1112 set_loc_shader(ctx
, AC_UD_PS_SAMPLE_POS_OFFSET
,
1117 unreachable("Shader stage not implemented");
1120 if (stage
== MESA_SHADER_TESS_CTRL
||
1121 (stage
== MESA_SHADER_VERTEX
&& ctx
->options
->key
.vs
.as_ls
) ||
1122 /* GFX9 has the ESGS ring buffer in LDS. */
1123 (stage
== MESA_SHADER_GEOMETRY
&& has_previous_stage
)) {
1124 ac_declare_lds_as_pointer(&ctx
->ac
);
1127 ctx
->shader_info
->num_user_sgprs
= user_sgpr_idx
;
1130 static LLVMValueRef
trim_vector(struct ac_llvm_context
*ctx
,
1131 LLVMValueRef value
, unsigned count
)
1133 unsigned num_components
= ac_get_llvm_num_components(value
);
1134 if (count
== num_components
)
1137 LLVMValueRef masks
[] = {
1138 LLVMConstInt(ctx
->i32
, 0, false), LLVMConstInt(ctx
->i32
, 1, false),
1139 LLVMConstInt(ctx
->i32
, 2, false), LLVMConstInt(ctx
->i32
, 3, false)};
1142 return LLVMBuildExtractElement(ctx
->builder
, value
, masks
[0],
1145 LLVMValueRef swizzle
= LLVMConstVector(masks
, count
);
1146 return LLVMBuildShuffleVector(ctx
->builder
, value
, value
, swizzle
, "");
1150 build_store_values_extended(struct ac_llvm_context
*ac
,
1151 LLVMValueRef
*values
,
1152 unsigned value_count
,
1153 unsigned value_stride
,
1156 LLVMBuilderRef builder
= ac
->builder
;
1159 for (i
= 0; i
< value_count
; i
++) {
1160 LLVMValueRef ptr
= values
[i
* value_stride
];
1161 LLVMValueRef index
= LLVMConstInt(ac
->i32
, i
, false);
1162 LLVMValueRef value
= LLVMBuildExtractElement(builder
, vec
, index
, "");
1163 LLVMBuildStore(builder
, value
, ptr
);
1167 static LLVMTypeRef
get_def_type(struct ac_nir_context
*ctx
,
1168 const nir_ssa_def
*def
)
1170 LLVMTypeRef type
= LLVMIntTypeInContext(ctx
->ac
.context
, def
->bit_size
);
1171 if (def
->num_components
> 1) {
1172 type
= LLVMVectorType(type
, def
->num_components
);
1177 static LLVMValueRef
get_src(struct ac_nir_context
*nir
, nir_src src
)
1180 struct hash_entry
*entry
= _mesa_hash_table_search(nir
->defs
, src
.ssa
);
1181 return (LLVMValueRef
)entry
->data
;
1185 get_memory_ptr(struct ac_nir_context
*ctx
, nir_src src
)
1187 LLVMValueRef ptr
= get_src(ctx
, src
);
1188 ptr
= LLVMBuildGEP(ctx
->ac
.builder
, ctx
->ac
.lds
, &ptr
, 1, "");
1189 int addr_space
= LLVMGetPointerAddressSpace(LLVMTypeOf(ptr
));
1191 return LLVMBuildBitCast(ctx
->ac
.builder
, ptr
,
1192 LLVMPointerType(ctx
->ac
.i32
, addr_space
), "");
1195 static LLVMBasicBlockRef
get_block(struct ac_nir_context
*nir
,
1196 const struct nir_block
*b
)
1198 struct hash_entry
*entry
= _mesa_hash_table_search(nir
->defs
, b
);
1199 return (LLVMBasicBlockRef
)entry
->data
;
1202 static LLVMValueRef
get_alu_src(struct ac_nir_context
*ctx
,
1204 unsigned num_components
)
1206 LLVMValueRef value
= get_src(ctx
, src
.src
);
1207 bool need_swizzle
= false;
1210 unsigned src_components
= ac_get_llvm_num_components(value
);
1211 for (unsigned i
= 0; i
< num_components
; ++i
) {
1212 assert(src
.swizzle
[i
] < src_components
);
1213 if (src
.swizzle
[i
] != i
)
1214 need_swizzle
= true;
1217 if (need_swizzle
|| num_components
!= src_components
) {
1218 LLVMValueRef masks
[] = {
1219 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[0], false),
1220 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[1], false),
1221 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[2], false),
1222 LLVMConstInt(ctx
->ac
.i32
, src
.swizzle
[3], false)};
1224 if (src_components
> 1 && num_components
== 1) {
1225 value
= LLVMBuildExtractElement(ctx
->ac
.builder
, value
,
1227 } else if (src_components
== 1 && num_components
> 1) {
1228 LLVMValueRef values
[] = {value
, value
, value
, value
};
1229 value
= ac_build_gather_values(&ctx
->ac
, values
, num_components
);
1231 LLVMValueRef swizzle
= LLVMConstVector(masks
, num_components
);
1232 value
= LLVMBuildShuffleVector(ctx
->ac
.builder
, value
, value
,
1236 assert(!src
.negate
);
1241 static LLVMValueRef
emit_int_cmp(struct ac_llvm_context
*ctx
,
1242 LLVMIntPredicate pred
, LLVMValueRef src0
,
1245 LLVMValueRef result
= LLVMBuildICmp(ctx
->builder
, pred
, src0
, src1
, "");
1246 return LLVMBuildSelect(ctx
->builder
, result
,
1247 LLVMConstInt(ctx
->i32
, 0xFFFFFFFF, false),
1251 static LLVMValueRef
emit_float_cmp(struct ac_llvm_context
*ctx
,
1252 LLVMRealPredicate pred
, LLVMValueRef src0
,
1255 LLVMValueRef result
;
1256 src0
= ac_to_float(ctx
, src0
);
1257 src1
= ac_to_float(ctx
, src1
);
1258 result
= LLVMBuildFCmp(ctx
->builder
, pred
, src0
, src1
, "");
1259 return LLVMBuildSelect(ctx
->builder
, result
,
1260 LLVMConstInt(ctx
->i32
, 0xFFFFFFFF, false),
1264 static LLVMValueRef
emit_intrin_1f_param(struct ac_llvm_context
*ctx
,
1266 LLVMTypeRef result_type
,
1270 LLVMValueRef params
[] = {
1271 ac_to_float(ctx
, src0
),
1274 MAYBE_UNUSED
const int length
= snprintf(name
, sizeof(name
), "%s.f%d", intrin
,
1275 ac_get_elem_bits(ctx
, result_type
));
1276 assert(length
< sizeof(name
));
1277 return ac_build_intrinsic(ctx
, name
, result_type
, params
, 1, AC_FUNC_ATTR_READNONE
);
1280 static LLVMValueRef
emit_intrin_2f_param(struct ac_llvm_context
*ctx
,
1282 LLVMTypeRef result_type
,
1283 LLVMValueRef src0
, LLVMValueRef src1
)
1286 LLVMValueRef params
[] = {
1287 ac_to_float(ctx
, src0
),
1288 ac_to_float(ctx
, src1
),
1291 MAYBE_UNUSED
const int length
= snprintf(name
, sizeof(name
), "%s.f%d", intrin
,
1292 ac_get_elem_bits(ctx
, result_type
));
1293 assert(length
< sizeof(name
));
1294 return ac_build_intrinsic(ctx
, name
, result_type
, params
, 2, AC_FUNC_ATTR_READNONE
);
1297 static LLVMValueRef
emit_intrin_3f_param(struct ac_llvm_context
*ctx
,
1299 LLVMTypeRef result_type
,
1300 LLVMValueRef src0
, LLVMValueRef src1
, LLVMValueRef src2
)
1303 LLVMValueRef params
[] = {
1304 ac_to_float(ctx
, src0
),
1305 ac_to_float(ctx
, src1
),
1306 ac_to_float(ctx
, src2
),
1309 MAYBE_UNUSED
const int length
= snprintf(name
, sizeof(name
), "%s.f%d", intrin
,
1310 ac_get_elem_bits(ctx
, result_type
));
1311 assert(length
< sizeof(name
));
1312 return ac_build_intrinsic(ctx
, name
, result_type
, params
, 3, AC_FUNC_ATTR_READNONE
);
1315 static LLVMValueRef
emit_bcsel(struct ac_llvm_context
*ctx
,
1316 LLVMValueRef src0
, LLVMValueRef src1
, LLVMValueRef src2
)
1318 LLVMValueRef v
= LLVMBuildICmp(ctx
->builder
, LLVMIntNE
, src0
,
1320 return LLVMBuildSelect(ctx
->builder
, v
, ac_to_integer(ctx
, src1
),
1321 ac_to_integer(ctx
, src2
), "");
1324 static LLVMValueRef
emit_minmax_int(struct ac_llvm_context
*ctx
,
1325 LLVMIntPredicate pred
,
1326 LLVMValueRef src0
, LLVMValueRef src1
)
1328 return LLVMBuildSelect(ctx
->builder
,
1329 LLVMBuildICmp(ctx
->builder
, pred
, src0
, src1
, ""),
1334 static LLVMValueRef
emit_iabs(struct ac_llvm_context
*ctx
,
1337 return emit_minmax_int(ctx
, LLVMIntSGT
, src0
,
1338 LLVMBuildNeg(ctx
->builder
, src0
, ""));
1341 static LLVMValueRef
emit_fsign(struct ac_llvm_context
*ctx
,
1345 LLVMValueRef cmp
, val
, zero
, one
;
1348 if (bitsize
== 32) {
1358 cmp
= LLVMBuildFCmp(ctx
->builder
, LLVMRealOGT
, src0
, zero
, "");
1359 val
= LLVMBuildSelect(ctx
->builder
, cmp
, one
, src0
, "");
1360 cmp
= LLVMBuildFCmp(ctx
->builder
, LLVMRealOGE
, val
, zero
, "");
1361 val
= LLVMBuildSelect(ctx
->builder
, cmp
, val
, LLVMConstReal(type
, -1.0), "");
1365 static LLVMValueRef
emit_isign(struct ac_llvm_context
*ctx
,
1366 LLVMValueRef src0
, unsigned bitsize
)
1368 LLVMValueRef cmp
, val
, zero
, one
;
1371 if (bitsize
== 32) {
1381 cmp
= LLVMBuildICmp(ctx
->builder
, LLVMIntSGT
, src0
, zero
, "");
1382 val
= LLVMBuildSelect(ctx
->builder
, cmp
, one
, src0
, "");
1383 cmp
= LLVMBuildICmp(ctx
->builder
, LLVMIntSGE
, val
, zero
, "");
1384 val
= LLVMBuildSelect(ctx
->builder
, cmp
, val
, LLVMConstInt(type
, -1, true), "");
1388 static LLVMValueRef
emit_ffract(struct ac_llvm_context
*ctx
,
1389 LLVMValueRef src0
, unsigned bitsize
)
1394 if (bitsize
== 32) {
1395 intr
= "llvm.floor.f32";
1398 intr
= "llvm.floor.f64";
1402 LLVMValueRef fsrc0
= ac_to_float(ctx
, src0
);
1403 LLVMValueRef params
[] = {
1406 LLVMValueRef floor
= ac_build_intrinsic(ctx
, intr
, type
, params
, 1,
1407 AC_FUNC_ATTR_READNONE
);
1408 return LLVMBuildFSub(ctx
->builder
, fsrc0
, floor
, "");
1411 static LLVMValueRef
emit_uint_carry(struct ac_llvm_context
*ctx
,
1413 LLVMValueRef src0
, LLVMValueRef src1
)
1415 LLVMTypeRef ret_type
;
1416 LLVMTypeRef types
[] = { ctx
->i32
, ctx
->i1
};
1418 LLVMValueRef params
[] = { src0
, src1
};
1419 ret_type
= LLVMStructTypeInContext(ctx
->context
, types
,
1422 res
= ac_build_intrinsic(ctx
, intrin
, ret_type
,
1423 params
, 2, AC_FUNC_ATTR_READNONE
);
1425 res
= LLVMBuildExtractValue(ctx
->builder
, res
, 1, "");
1426 res
= LLVMBuildZExt(ctx
->builder
, res
, ctx
->i32
, "");
1430 static LLVMValueRef
emit_b2f(struct ac_llvm_context
*ctx
,
1433 return LLVMBuildAnd(ctx
->builder
, src0
, LLVMBuildBitCast(ctx
->builder
, LLVMConstReal(ctx
->f32
, 1.0), ctx
->i32
, ""), "");
1436 static LLVMValueRef
emit_f2b(struct ac_llvm_context
*ctx
,
1439 src0
= ac_to_float(ctx
, src0
);
1440 LLVMValueRef zero
= LLVMConstNull(LLVMTypeOf(src0
));
1441 return LLVMBuildSExt(ctx
->builder
,
1442 LLVMBuildFCmp(ctx
->builder
, LLVMRealUNE
, src0
, zero
, ""),
1446 static LLVMValueRef
emit_b2i(struct ac_llvm_context
*ctx
,
1450 LLVMValueRef result
= LLVMBuildAnd(ctx
->builder
, src0
, ctx
->i32_1
, "");
1455 return LLVMBuildZExt(ctx
->builder
, result
, ctx
->i64
, "");
1458 static LLVMValueRef
emit_i2b(struct ac_llvm_context
*ctx
,
1461 LLVMValueRef zero
= LLVMConstNull(LLVMTypeOf(src0
));
1462 return LLVMBuildSExt(ctx
->builder
,
1463 LLVMBuildICmp(ctx
->builder
, LLVMIntNE
, src0
, zero
, ""),
1467 static LLVMValueRef
emit_f2f16(struct ac_llvm_context
*ctx
,
1470 LLVMValueRef result
;
1471 LLVMValueRef cond
= NULL
;
1473 src0
= ac_to_float(ctx
, src0
);
1474 result
= LLVMBuildFPTrunc(ctx
->builder
, src0
, ctx
->f16
, "");
1476 if (ctx
->chip_class
>= VI
) {
1477 LLVMValueRef args
[2];
1478 /* Check if the result is a denormal - and flush to 0 if so. */
1480 args
[1] = LLVMConstInt(ctx
->i32
, N_SUBNORMAL
| P_SUBNORMAL
, false);
1481 cond
= ac_build_intrinsic(ctx
, "llvm.amdgcn.class.f16", ctx
->i1
, args
, 2, AC_FUNC_ATTR_READNONE
);
1484 /* need to convert back up to f32 */
1485 result
= LLVMBuildFPExt(ctx
->builder
, result
, ctx
->f32
, "");
1487 if (ctx
->chip_class
>= VI
)
1488 result
= LLVMBuildSelect(ctx
->builder
, cond
, ctx
->f32_0
, result
, "");
1491 /* 0x38800000 is smallest half float value (2^-14) in 32-bit float,
1492 * so compare the result and flush to 0 if it's smaller.
1494 LLVMValueRef temp
, cond2
;
1495 temp
= emit_intrin_1f_param(ctx
, "llvm.fabs", ctx
->f32
, result
);
1496 cond
= LLVMBuildFCmp(ctx
->builder
, LLVMRealUGT
,
1497 LLVMBuildBitCast(ctx
->builder
, LLVMConstInt(ctx
->i32
, 0x38800000, false), ctx
->f32
, ""),
1499 cond2
= LLVMBuildFCmp(ctx
->builder
, LLVMRealUNE
,
1500 temp
, ctx
->f32_0
, "");
1501 cond
= LLVMBuildAnd(ctx
->builder
, cond
, cond2
, "");
1502 result
= LLVMBuildSelect(ctx
->builder
, cond
, ctx
->f32_0
, result
, "");
1507 static LLVMValueRef
emit_umul_high(struct ac_llvm_context
*ctx
,
1508 LLVMValueRef src0
, LLVMValueRef src1
)
1510 LLVMValueRef dst64
, result
;
1511 src0
= LLVMBuildZExt(ctx
->builder
, src0
, ctx
->i64
, "");
1512 src1
= LLVMBuildZExt(ctx
->builder
, src1
, ctx
->i64
, "");
1514 dst64
= LLVMBuildMul(ctx
->builder
, src0
, src1
, "");
1515 dst64
= LLVMBuildLShr(ctx
->builder
, dst64
, LLVMConstInt(ctx
->i64
, 32, false), "");
1516 result
= LLVMBuildTrunc(ctx
->builder
, dst64
, ctx
->i32
, "");
1520 static LLVMValueRef
emit_imul_high(struct ac_llvm_context
*ctx
,
1521 LLVMValueRef src0
, LLVMValueRef src1
)
1523 LLVMValueRef dst64
, result
;
1524 src0
= LLVMBuildSExt(ctx
->builder
, src0
, ctx
->i64
, "");
1525 src1
= LLVMBuildSExt(ctx
->builder
, src1
, ctx
->i64
, "");
1527 dst64
= LLVMBuildMul(ctx
->builder
, src0
, src1
, "");
1528 dst64
= LLVMBuildAShr(ctx
->builder
, dst64
, LLVMConstInt(ctx
->i64
, 32, false), "");
1529 result
= LLVMBuildTrunc(ctx
->builder
, dst64
, ctx
->i32
, "");
1533 static LLVMValueRef
emit_bitfield_extract(struct ac_llvm_context
*ctx
,
1535 const LLVMValueRef srcs
[3])
1537 LLVMValueRef result
;
1538 LLVMValueRef icond
= LLVMBuildICmp(ctx
->builder
, LLVMIntEQ
, srcs
[2], LLVMConstInt(ctx
->i32
, 32, false), "");
1540 result
= ac_build_bfe(ctx
, srcs
[0], srcs
[1], srcs
[2], is_signed
);
1541 result
= LLVMBuildSelect(ctx
->builder
, icond
, srcs
[0], result
, "");
1545 static LLVMValueRef
emit_bitfield_insert(struct ac_llvm_context
*ctx
,
1546 LLVMValueRef src0
, LLVMValueRef src1
,
1547 LLVMValueRef src2
, LLVMValueRef src3
)
1549 LLVMValueRef bfi_args
[3], result
;
1551 bfi_args
[0] = LLVMBuildShl(ctx
->builder
,
1552 LLVMBuildSub(ctx
->builder
,
1553 LLVMBuildShl(ctx
->builder
,
1558 bfi_args
[1] = LLVMBuildShl(ctx
->builder
, src1
, src2
, "");
1561 LLVMValueRef icond
= LLVMBuildICmp(ctx
->builder
, LLVMIntEQ
, src3
, LLVMConstInt(ctx
->i32
, 32, false), "");
1564 * (arg0 & arg1) | (~arg0 & arg2) = arg2 ^ (arg0 & (arg1 ^ arg2)
1565 * Use the right-hand side, which the LLVM backend can convert to V_BFI.
1567 result
= LLVMBuildXor(ctx
->builder
, bfi_args
[2],
1568 LLVMBuildAnd(ctx
->builder
, bfi_args
[0],
1569 LLVMBuildXor(ctx
->builder
, bfi_args
[1], bfi_args
[2], ""), ""), "");
1571 result
= LLVMBuildSelect(ctx
->builder
, icond
, src1
, result
, "");
1575 static LLVMValueRef
emit_pack_half_2x16(struct ac_llvm_context
*ctx
,
1578 LLVMValueRef comp
[2];
1580 src0
= ac_to_float(ctx
, src0
);
1581 comp
[0] = LLVMBuildExtractElement(ctx
->builder
, src0
, ctx
->i32_0
, "");
1582 comp
[1] = LLVMBuildExtractElement(ctx
->builder
, src0
, ctx
->i32_1
, "");
1584 return ac_build_cvt_pkrtz_f16(ctx
, comp
);
1587 static LLVMValueRef
emit_unpack_half_2x16(struct ac_llvm_context
*ctx
,
1590 LLVMValueRef const16
= LLVMConstInt(ctx
->i32
, 16, false);
1591 LLVMValueRef temps
[2], result
, val
;
1594 for (i
= 0; i
< 2; i
++) {
1595 val
= i
== 1 ? LLVMBuildLShr(ctx
->builder
, src0
, const16
, "") : src0
;
1596 val
= LLVMBuildTrunc(ctx
->builder
, val
, ctx
->i16
, "");
1597 val
= LLVMBuildBitCast(ctx
->builder
, val
, ctx
->f16
, "");
1598 temps
[i
] = LLVMBuildFPExt(ctx
->builder
, val
, ctx
->f32
, "");
1601 result
= LLVMBuildInsertElement(ctx
->builder
, LLVMGetUndef(ctx
->v2f32
), temps
[0],
1603 result
= LLVMBuildInsertElement(ctx
->builder
, result
, temps
[1],
1608 static LLVMValueRef
emit_ddxy(struct ac_nir_context
*ctx
,
1614 LLVMValueRef result
;
1616 if (op
== nir_op_fddx_fine
)
1617 mask
= AC_TID_MASK_LEFT
;
1618 else if (op
== nir_op_fddy_fine
)
1619 mask
= AC_TID_MASK_TOP
;
1621 mask
= AC_TID_MASK_TOP_LEFT
;
1623 /* for DDX we want to next X pixel, DDY next Y pixel. */
1624 if (op
== nir_op_fddx_fine
||
1625 op
== nir_op_fddx_coarse
||
1631 result
= ac_build_ddxy(&ctx
->ac
, mask
, idx
, src0
);
1636 * this takes an I,J coordinate pair,
1637 * and works out the X and Y derivatives.
1638 * it returns DDX(I), DDX(J), DDY(I), DDY(J).
1640 static LLVMValueRef
emit_ddxy_interp(
1641 struct ac_nir_context
*ctx
,
1642 LLVMValueRef interp_ij
)
1644 LLVMValueRef result
[4], a
;
1647 for (i
= 0; i
< 2; i
++) {
1648 a
= LLVMBuildExtractElement(ctx
->ac
.builder
, interp_ij
,
1649 LLVMConstInt(ctx
->ac
.i32
, i
, false), "");
1650 result
[i
] = emit_ddxy(ctx
, nir_op_fddx
, a
);
1651 result
[2+i
] = emit_ddxy(ctx
, nir_op_fddy
, a
);
1653 return ac_build_gather_values(&ctx
->ac
, result
, 4);
1656 static void visit_alu(struct ac_nir_context
*ctx
, const nir_alu_instr
*instr
)
1658 LLVMValueRef src
[4], result
= NULL
;
1659 unsigned num_components
= instr
->dest
.dest
.ssa
.num_components
;
1660 unsigned src_components
;
1661 LLVMTypeRef def_type
= get_def_type(ctx
, &instr
->dest
.dest
.ssa
);
1663 assert(nir_op_infos
[instr
->op
].num_inputs
<= ARRAY_SIZE(src
));
1664 switch (instr
->op
) {
1670 case nir_op_pack_half_2x16
:
1673 case nir_op_unpack_half_2x16
:
1677 src_components
= num_components
;
1680 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++)
1681 src
[i
] = get_alu_src(ctx
, instr
->src
[i
], src_components
);
1683 switch (instr
->op
) {
1689 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1690 result
= LLVMBuildFNeg(ctx
->ac
.builder
, src
[0], "");
1693 result
= LLVMBuildNeg(ctx
->ac
.builder
, src
[0], "");
1696 result
= LLVMBuildNot(ctx
->ac
.builder
, src
[0], "");
1699 result
= LLVMBuildAdd(ctx
->ac
.builder
, src
[0], src
[1], "");
1702 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1703 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
1704 result
= LLVMBuildFAdd(ctx
->ac
.builder
, src
[0], src
[1], "");
1707 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1708 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
1709 result
= LLVMBuildFSub(ctx
->ac
.builder
, src
[0], src
[1], "");
1712 result
= LLVMBuildSub(ctx
->ac
.builder
, src
[0], src
[1], "");
1715 result
= LLVMBuildMul(ctx
->ac
.builder
, src
[0], src
[1], "");
1718 result
= LLVMBuildSRem(ctx
->ac
.builder
, src
[0], src
[1], "");
1721 result
= LLVMBuildURem(ctx
->ac
.builder
, src
[0], src
[1], "");
1724 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1725 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
1726 result
= ac_build_fdiv(&ctx
->ac
, src
[0], src
[1]);
1727 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.floor",
1728 ac_to_float_type(&ctx
->ac
, def_type
), result
);
1729 result
= LLVMBuildFMul(ctx
->ac
.builder
, src
[1] , result
, "");
1730 result
= LLVMBuildFSub(ctx
->ac
.builder
, src
[0], result
, "");
1733 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1734 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
1735 result
= LLVMBuildFRem(ctx
->ac
.builder
, src
[0], src
[1], "");
1738 result
= LLVMBuildSRem(ctx
->ac
.builder
, src
[0], src
[1], "");
1741 result
= LLVMBuildSDiv(ctx
->ac
.builder
, src
[0], src
[1], "");
1744 result
= LLVMBuildUDiv(ctx
->ac
.builder
, src
[0], src
[1], "");
1747 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1748 src
[1] = ac_to_float(&ctx
->ac
, src
[1]);
1749 result
= LLVMBuildFMul(ctx
->ac
.builder
, src
[0], src
[1], "");
1752 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1753 result
= ac_build_fdiv(&ctx
->ac
, instr
->dest
.dest
.ssa
.bit_size
== 32 ? ctx
->ac
.f32_1
: ctx
->ac
.f64_1
,
1757 result
= LLVMBuildAnd(ctx
->ac
.builder
, src
[0], src
[1], "");
1760 result
= LLVMBuildOr(ctx
->ac
.builder
, src
[0], src
[1], "");
1763 result
= LLVMBuildXor(ctx
->ac
.builder
, src
[0], src
[1], "");
1766 result
= LLVMBuildShl(ctx
->ac
.builder
, src
[0],
1767 LLVMBuildZExt(ctx
->ac
.builder
, src
[1],
1768 LLVMTypeOf(src
[0]), ""),
1772 result
= LLVMBuildAShr(ctx
->ac
.builder
, src
[0],
1773 LLVMBuildZExt(ctx
->ac
.builder
, src
[1],
1774 LLVMTypeOf(src
[0]), ""),
1778 result
= LLVMBuildLShr(ctx
->ac
.builder
, src
[0],
1779 LLVMBuildZExt(ctx
->ac
.builder
, src
[1],
1780 LLVMTypeOf(src
[0]), ""),
1784 result
= emit_int_cmp(&ctx
->ac
, LLVMIntSLT
, src
[0], src
[1]);
1787 result
= emit_int_cmp(&ctx
->ac
, LLVMIntNE
, src
[0], src
[1]);
1790 result
= emit_int_cmp(&ctx
->ac
, LLVMIntEQ
, src
[0], src
[1]);
1793 result
= emit_int_cmp(&ctx
->ac
, LLVMIntSGE
, src
[0], src
[1]);
1796 result
= emit_int_cmp(&ctx
->ac
, LLVMIntULT
, src
[0], src
[1]);
1799 result
= emit_int_cmp(&ctx
->ac
, LLVMIntUGE
, src
[0], src
[1]);
1802 result
= emit_float_cmp(&ctx
->ac
, LLVMRealOEQ
, src
[0], src
[1]);
1805 result
= emit_float_cmp(&ctx
->ac
, LLVMRealUNE
, src
[0], src
[1]);
1808 result
= emit_float_cmp(&ctx
->ac
, LLVMRealOLT
, src
[0], src
[1]);
1811 result
= emit_float_cmp(&ctx
->ac
, LLVMRealOGE
, src
[0], src
[1]);
1814 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.fabs",
1815 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1818 result
= emit_iabs(&ctx
->ac
, src
[0]);
1821 result
= emit_minmax_int(&ctx
->ac
, LLVMIntSGT
, src
[0], src
[1]);
1824 result
= emit_minmax_int(&ctx
->ac
, LLVMIntSLT
, src
[0], src
[1]);
1827 result
= emit_minmax_int(&ctx
->ac
, LLVMIntUGT
, src
[0], src
[1]);
1830 result
= emit_minmax_int(&ctx
->ac
, LLVMIntULT
, src
[0], src
[1]);
1833 result
= emit_isign(&ctx
->ac
, src
[0], instr
->dest
.dest
.ssa
.bit_size
);
1836 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1837 result
= emit_fsign(&ctx
->ac
, src
[0], instr
->dest
.dest
.ssa
.bit_size
);
1840 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.floor",
1841 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1844 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.trunc",
1845 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1848 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.ceil",
1849 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1851 case nir_op_fround_even
:
1852 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.rint",
1853 ac_to_float_type(&ctx
->ac
, def_type
),src
[0]);
1856 result
= emit_ffract(&ctx
->ac
, src
[0], instr
->dest
.dest
.ssa
.bit_size
);
1859 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.sin",
1860 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1863 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.cos",
1864 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1867 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.sqrt",
1868 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1871 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.exp2",
1872 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1875 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.log2",
1876 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1879 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.sqrt",
1880 ac_to_float_type(&ctx
->ac
, def_type
), src
[0]);
1881 result
= ac_build_fdiv(&ctx
->ac
, instr
->dest
.dest
.ssa
.bit_size
== 32 ? ctx
->ac
.f32_1
: ctx
->ac
.f64_1
,
1885 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.maxnum",
1886 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
1887 if (ctx
->ac
.chip_class
< GFX9
&&
1888 instr
->dest
.dest
.ssa
.bit_size
== 32) {
1889 /* Only pre-GFX9 chips do not flush denorms. */
1890 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.canonicalize",
1891 ac_to_float_type(&ctx
->ac
, def_type
),
1896 result
= emit_intrin_2f_param(&ctx
->ac
, "llvm.minnum",
1897 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1]);
1898 if (ctx
->ac
.chip_class
< GFX9
&&
1899 instr
->dest
.dest
.ssa
.bit_size
== 32) {
1900 /* Only pre-GFX9 chips do not flush denorms. */
1901 result
= emit_intrin_1f_param(&ctx
->ac
, "llvm.canonicalize",
1902 ac_to_float_type(&ctx
->ac
, def_type
),
1907 result
= emit_intrin_3f_param(&ctx
->ac
, "llvm.fmuladd",
1908 ac_to_float_type(&ctx
->ac
, def_type
), src
[0], src
[1], src
[2]);
1911 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1912 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) == 32)
1913 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.ldexp.f32", ctx
->ac
.f32
, src
, 2, AC_FUNC_ATTR_READNONE
);
1915 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.ldexp.f64", ctx
->ac
.f64
, src
, 2, AC_FUNC_ATTR_READNONE
);
1917 case nir_op_ibitfield_extract
:
1918 result
= emit_bitfield_extract(&ctx
->ac
, true, src
);
1920 case nir_op_ubitfield_extract
:
1921 result
= emit_bitfield_extract(&ctx
->ac
, false, src
);
1923 case nir_op_bitfield_insert
:
1924 result
= emit_bitfield_insert(&ctx
->ac
, src
[0], src
[1], src
[2], src
[3]);
1926 case nir_op_bitfield_reverse
:
1927 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.bitreverse.i32", ctx
->ac
.i32
, src
, 1, AC_FUNC_ATTR_READNONE
);
1929 case nir_op_bit_count
:
1930 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) == 32)
1931 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.ctpop.i32", ctx
->ac
.i32
, src
, 1, AC_FUNC_ATTR_READNONE
);
1933 result
= ac_build_intrinsic(&ctx
->ac
, "llvm.ctpop.i64", ctx
->ac
.i64
, src
, 1, AC_FUNC_ATTR_READNONE
);
1934 result
= LLVMBuildTrunc(ctx
->ac
.builder
, result
, ctx
->ac
.i32
, "");
1940 for (unsigned i
= 0; i
< nir_op_infos
[instr
->op
].num_inputs
; i
++)
1941 src
[i
] = ac_to_integer(&ctx
->ac
, src
[i
]);
1942 result
= ac_build_gather_values(&ctx
->ac
, src
, num_components
);
1946 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1947 result
= LLVMBuildFPToSI(ctx
->ac
.builder
, src
[0], def_type
, "");
1951 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1952 result
= LLVMBuildFPToUI(ctx
->ac
.builder
, src
[0], def_type
, "");
1956 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
1957 result
= LLVMBuildSIToFP(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
1961 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
1962 result
= LLVMBuildUIToFP(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
1965 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1966 result
= LLVMBuildFPExt(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
1969 src
[0] = ac_to_float(&ctx
->ac
, src
[0]);
1970 result
= LLVMBuildFPTrunc(ctx
->ac
.builder
, src
[0], ac_to_float_type(&ctx
->ac
, def_type
), "");
1974 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
1975 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) < ac_get_elem_bits(&ctx
->ac
, def_type
))
1976 result
= LLVMBuildZExt(ctx
->ac
.builder
, src
[0], def_type
, "");
1978 result
= LLVMBuildTrunc(ctx
->ac
.builder
, src
[0], def_type
, "");
1982 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
1983 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
[0])) < ac_get_elem_bits(&ctx
->ac
, def_type
))
1984 result
= LLVMBuildSExt(ctx
->ac
.builder
, src
[0], def_type
, "");
1986 result
= LLVMBuildTrunc(ctx
->ac
.builder
, src
[0], def_type
, "");
1989 result
= emit_bcsel(&ctx
->ac
, src
[0], src
[1], src
[2]);
1991 case nir_op_find_lsb
:
1992 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
1993 result
= ac_find_lsb(&ctx
->ac
, ctx
->ac
.i32
, src
[0]);
1995 case nir_op_ufind_msb
:
1996 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
1997 result
= ac_build_umsb(&ctx
->ac
, src
[0], ctx
->ac
.i32
);
1999 case nir_op_ifind_msb
:
2000 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
2001 result
= ac_build_imsb(&ctx
->ac
, src
[0], ctx
->ac
.i32
);
2003 case nir_op_uadd_carry
:
2004 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
2005 src
[1] = ac_to_integer(&ctx
->ac
, src
[1]);
2006 result
= emit_uint_carry(&ctx
->ac
, "llvm.uadd.with.overflow.i32", src
[0], src
[1]);
2008 case nir_op_usub_borrow
:
2009 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
2010 src
[1] = ac_to_integer(&ctx
->ac
, src
[1]);
2011 result
= emit_uint_carry(&ctx
->ac
, "llvm.usub.with.overflow.i32", src
[0], src
[1]);
2014 result
= emit_b2f(&ctx
->ac
, src
[0]);
2017 result
= emit_f2b(&ctx
->ac
, src
[0]);
2020 result
= emit_b2i(&ctx
->ac
, src
[0], instr
->dest
.dest
.ssa
.bit_size
);
2023 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
2024 result
= emit_i2b(&ctx
->ac
, src
[0]);
2026 case nir_op_fquantize2f16
:
2027 result
= emit_f2f16(&ctx
->ac
, src
[0]);
2029 case nir_op_umul_high
:
2030 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
2031 src
[1] = ac_to_integer(&ctx
->ac
, src
[1]);
2032 result
= emit_umul_high(&ctx
->ac
, src
[0], src
[1]);
2034 case nir_op_imul_high
:
2035 src
[0] = ac_to_integer(&ctx
->ac
, src
[0]);
2036 src
[1] = ac_to_integer(&ctx
->ac
, src
[1]);
2037 result
= emit_imul_high(&ctx
->ac
, src
[0], src
[1]);
2039 case nir_op_pack_half_2x16
:
2040 result
= emit_pack_half_2x16(&ctx
->ac
, src
[0]);
2042 case nir_op_unpack_half_2x16
:
2043 result
= emit_unpack_half_2x16(&ctx
->ac
, src
[0]);
2047 case nir_op_fddx_fine
:
2048 case nir_op_fddy_fine
:
2049 case nir_op_fddx_coarse
:
2050 case nir_op_fddy_coarse
:
2051 result
= emit_ddxy(ctx
, instr
->op
, src
[0]);
2054 case nir_op_unpack_64_2x32_split_x
: {
2055 assert(ac_get_llvm_num_components(src
[0]) == 1);
2056 LLVMValueRef tmp
= LLVMBuildBitCast(ctx
->ac
.builder
, src
[0],
2059 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, tmp
,
2064 case nir_op_unpack_64_2x32_split_y
: {
2065 assert(ac_get_llvm_num_components(src
[0]) == 1);
2066 LLVMValueRef tmp
= LLVMBuildBitCast(ctx
->ac
.builder
, src
[0],
2069 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, tmp
,
2074 case nir_op_pack_64_2x32_split
: {
2075 LLVMValueRef tmp
= LLVMGetUndef(ctx
->ac
.v2i32
);
2076 tmp
= LLVMBuildInsertElement(ctx
->ac
.builder
, tmp
,
2077 src
[0], ctx
->ac
.i32_0
, "");
2078 tmp
= LLVMBuildInsertElement(ctx
->ac
.builder
, tmp
,
2079 src
[1], ctx
->ac
.i32_1
, "");
2080 result
= LLVMBuildBitCast(ctx
->ac
.builder
, tmp
, ctx
->ac
.i64
, "");
2085 fprintf(stderr
, "Unknown NIR alu instr: ");
2086 nir_print_instr(&instr
->instr
, stderr
);
2087 fprintf(stderr
, "\n");
2092 assert(instr
->dest
.dest
.is_ssa
);
2093 result
= ac_to_integer(&ctx
->ac
, result
);
2094 _mesa_hash_table_insert(ctx
->defs
, &instr
->dest
.dest
.ssa
,
2099 static void visit_load_const(struct ac_nir_context
*ctx
,
2100 const nir_load_const_instr
*instr
)
2102 LLVMValueRef values
[4], value
= NULL
;
2103 LLVMTypeRef element_type
=
2104 LLVMIntTypeInContext(ctx
->ac
.context
, instr
->def
.bit_size
);
2106 for (unsigned i
= 0; i
< instr
->def
.num_components
; ++i
) {
2107 switch (instr
->def
.bit_size
) {
2109 values
[i
] = LLVMConstInt(element_type
,
2110 instr
->value
.u32
[i
], false);
2113 values
[i
] = LLVMConstInt(element_type
,
2114 instr
->value
.u64
[i
], false);
2118 "unsupported nir load_const bit_size: %d\n",
2119 instr
->def
.bit_size
);
2123 if (instr
->def
.num_components
> 1) {
2124 value
= LLVMConstVector(values
, instr
->def
.num_components
);
2128 _mesa_hash_table_insert(ctx
->defs
, &instr
->def
, value
);
2131 static LLVMValueRef
cast_ptr(struct ac_llvm_context
*ctx
, LLVMValueRef ptr
,
2134 int addr_space
= LLVMGetPointerAddressSpace(LLVMTypeOf(ptr
));
2135 return LLVMBuildBitCast(ctx
->builder
, ptr
,
2136 LLVMPointerType(type
, addr_space
), "");
2140 get_buffer_size(struct ac_nir_context
*ctx
, LLVMValueRef descriptor
, bool in_elements
)
2143 LLVMBuildExtractElement(ctx
->ac
.builder
, descriptor
,
2144 LLVMConstInt(ctx
->ac
.i32
, 2, false), "");
2147 if (ctx
->ac
.chip_class
== VI
&& in_elements
) {
2148 /* On VI, the descriptor contains the size in bytes,
2149 * but TXQ must return the size in elements.
2150 * The stride is always non-zero for resources using TXQ.
2152 LLVMValueRef stride
=
2153 LLVMBuildExtractElement(ctx
->ac
.builder
, descriptor
,
2155 stride
= LLVMBuildLShr(ctx
->ac
.builder
, stride
,
2156 LLVMConstInt(ctx
->ac
.i32
, 16, false), "");
2157 stride
= LLVMBuildAnd(ctx
->ac
.builder
, stride
,
2158 LLVMConstInt(ctx
->ac
.i32
, 0x3fff, false), "");
2160 size
= LLVMBuildUDiv(ctx
->ac
.builder
, size
, stride
, "");
2166 * Given the i32 or vNi32 \p type, generate the textual name (e.g. for use with
2169 static void build_int_type_name(
2171 char *buf
, unsigned bufsize
)
2173 assert(bufsize
>= 6);
2175 if (LLVMGetTypeKind(type
) == LLVMVectorTypeKind
)
2176 snprintf(buf
, bufsize
, "v%ui32",
2177 LLVMGetVectorSize(type
));
2182 static LLVMValueRef
radv_lower_gather4_integer(struct ac_llvm_context
*ctx
,
2183 struct ac_image_args
*args
,
2184 const nir_tex_instr
*instr
)
2186 enum glsl_base_type stype
= glsl_get_sampler_result_type(instr
->texture
->var
->type
);
2187 LLVMValueRef coord
= args
->addr
;
2188 LLVMValueRef half_texel
[2];
2189 LLVMValueRef compare_cube_wa
= NULL
;
2190 LLVMValueRef result
;
2192 unsigned coord_vgpr_index
= (unsigned)args
->offset
+ (unsigned)args
->compare
;
2196 struct ac_image_args txq_args
= { 0 };
2198 txq_args
.da
= instr
->is_array
|| instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
;
2199 txq_args
.opcode
= ac_image_get_resinfo
;
2200 txq_args
.dmask
= 0xf;
2201 txq_args
.addr
= ctx
->i32_0
;
2202 txq_args
.resource
= args
->resource
;
2203 LLVMValueRef size
= ac_build_image_opcode(ctx
, &txq_args
);
2205 for (c
= 0; c
< 2; c
++) {
2206 half_texel
[c
] = LLVMBuildExtractElement(ctx
->builder
, size
,
2207 LLVMConstInt(ctx
->i32
, c
, false), "");
2208 half_texel
[c
] = LLVMBuildUIToFP(ctx
->builder
, half_texel
[c
], ctx
->f32
, "");
2209 half_texel
[c
] = ac_build_fdiv(ctx
, ctx
->f32_1
, half_texel
[c
]);
2210 half_texel
[c
] = LLVMBuildFMul(ctx
->builder
, half_texel
[c
],
2211 LLVMConstReal(ctx
->f32
, -0.5), "");
2215 LLVMValueRef orig_coords
= args
->addr
;
2217 for (c
= 0; c
< 2; c
++) {
2219 LLVMValueRef index
= LLVMConstInt(ctx
->i32
, coord_vgpr_index
+ c
, 0);
2220 tmp
= LLVMBuildExtractElement(ctx
->builder
, coord
, index
, "");
2221 tmp
= LLVMBuildBitCast(ctx
->builder
, tmp
, ctx
->f32
, "");
2222 tmp
= LLVMBuildFAdd(ctx
->builder
, tmp
, half_texel
[c
], "");
2223 tmp
= LLVMBuildBitCast(ctx
->builder
, tmp
, ctx
->i32
, "");
2224 coord
= LLVMBuildInsertElement(ctx
->builder
, coord
, tmp
, index
, "");
2229 * Apparantly cube has issue with integer types that the workaround doesn't solve,
2230 * so this tests if the format is 8_8_8_8 and an integer type do an alternate
2231 * workaround by sampling using a scaled type and converting.
2232 * This is taken from amdgpu-pro shaders.
2234 /* NOTE this produces some ugly code compared to amdgpu-pro,
2235 * LLVM ends up dumping SGPRs into VGPRs to deal with the compare/select,
2236 * and then reads them back. -pro generates two selects,
2237 * one s_cmp for the descriptor rewriting
2238 * one v_cmp for the coordinate and result changes.
2240 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
) {
2241 LLVMValueRef tmp
, tmp2
;
2243 /* workaround 8/8/8/8 uint/sint cube gather bug */
2244 /* first detect it then change to a scaled read and f2i */
2245 tmp
= LLVMBuildExtractElement(ctx
->builder
, args
->resource
, ctx
->i32_1
, "");
2248 /* extract the DATA_FORMAT */
2249 tmp
= ac_build_bfe(ctx
, tmp
, LLVMConstInt(ctx
->i32
, 20, false),
2250 LLVMConstInt(ctx
->i32
, 6, false), false);
2252 /* is the DATA_FORMAT == 8_8_8_8 */
2253 compare_cube_wa
= LLVMBuildICmp(ctx
->builder
, LLVMIntEQ
, tmp
, LLVMConstInt(ctx
->i32
, V_008F14_IMG_DATA_FORMAT_8_8_8_8
, false), "");
2255 if (stype
== GLSL_TYPE_UINT
)
2256 /* Create a NUM FORMAT - 0x2 or 0x4 - USCALED or UINT */
2257 tmp
= LLVMBuildSelect(ctx
->builder
, compare_cube_wa
, LLVMConstInt(ctx
->i32
, 0x8000000, false),
2258 LLVMConstInt(ctx
->i32
, 0x10000000, false), "");
2260 /* Create a NUM FORMAT - 0x3 or 0x5 - SSCALED or SINT */
2261 tmp
= LLVMBuildSelect(ctx
->builder
, compare_cube_wa
, LLVMConstInt(ctx
->i32
, 0xc000000, false),
2262 LLVMConstInt(ctx
->i32
, 0x14000000, false), "");
2264 /* replace the NUM FORMAT in the descriptor */
2265 tmp2
= LLVMBuildAnd(ctx
->builder
, tmp2
, LLVMConstInt(ctx
->i32
, C_008F14_NUM_FORMAT_GFX6
, false), "");
2266 tmp2
= LLVMBuildOr(ctx
->builder
, tmp2
, tmp
, "");
2268 args
->resource
= LLVMBuildInsertElement(ctx
->builder
, args
->resource
, tmp2
, ctx
->i32_1
, "");
2270 /* don't modify the coordinates for this case */
2271 coord
= LLVMBuildSelect(ctx
->builder
, compare_cube_wa
, orig_coords
, coord
, "");
2274 result
= ac_build_image_opcode(ctx
, args
);
2276 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
) {
2277 LLVMValueRef tmp
, tmp2
;
2279 /* if the cube workaround is in place, f2i the result. */
2280 for (c
= 0; c
< 4; c
++) {
2281 tmp
= LLVMBuildExtractElement(ctx
->builder
, result
, LLVMConstInt(ctx
->i32
, c
, false), "");
2282 if (stype
== GLSL_TYPE_UINT
)
2283 tmp2
= LLVMBuildFPToUI(ctx
->builder
, tmp
, ctx
->i32
, "");
2285 tmp2
= LLVMBuildFPToSI(ctx
->builder
, tmp
, ctx
->i32
, "");
2286 tmp
= LLVMBuildBitCast(ctx
->builder
, tmp
, ctx
->i32
, "");
2287 tmp2
= LLVMBuildBitCast(ctx
->builder
, tmp2
, ctx
->i32
, "");
2288 tmp
= LLVMBuildSelect(ctx
->builder
, compare_cube_wa
, tmp2
, tmp
, "");
2289 tmp
= LLVMBuildBitCast(ctx
->builder
, tmp
, ctx
->f32
, "");
2290 result
= LLVMBuildInsertElement(ctx
->builder
, result
, tmp
, LLVMConstInt(ctx
->i32
, c
, false), "");
2296 static LLVMValueRef
build_tex_intrinsic(struct ac_nir_context
*ctx
,
2297 const nir_tex_instr
*instr
,
2299 struct ac_image_args
*args
)
2301 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
2302 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
2304 return ac_build_buffer_load_format(&ctx
->ac
,
2308 util_last_bit(mask
),
2312 args
->opcode
= ac_image_sample
;
2313 args
->compare
= instr
->is_shadow
;
2315 switch (instr
->op
) {
2317 case nir_texop_txf_ms
:
2318 case nir_texop_samples_identical
:
2319 args
->opcode
= lod_is_zero
||
2320 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
?
2321 ac_image_load
: ac_image_load_mip
;
2322 args
->compare
= false;
2323 args
->offset
= false;
2330 args
->level_zero
= true;
2335 case nir_texop_query_levels
:
2336 args
->opcode
= ac_image_get_resinfo
;
2339 if (ctx
->stage
!= MESA_SHADER_FRAGMENT
)
2340 args
->level_zero
= true;
2346 args
->opcode
= ac_image_gather4
;
2347 args
->level_zero
= true;
2350 args
->opcode
= ac_image_get_lod
;
2351 args
->compare
= false;
2352 args
->offset
= false;
2358 if (instr
->op
== nir_texop_tg4
&& ctx
->ac
.chip_class
<= VI
) {
2359 enum glsl_base_type stype
= glsl_get_sampler_result_type(instr
->texture
->var
->type
);
2360 if (stype
== GLSL_TYPE_UINT
|| stype
== GLSL_TYPE_INT
) {
2361 return radv_lower_gather4_integer(&ctx
->ac
, args
, instr
);
2364 return ac_build_image_opcode(&ctx
->ac
, args
);
2368 radv_load_resource(struct ac_shader_abi
*abi
, LLVMValueRef index
,
2369 unsigned desc_set
, unsigned binding
)
2371 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
2372 LLVMValueRef desc_ptr
= ctx
->descriptor_sets
[desc_set
];
2373 struct radv_pipeline_layout
*pipeline_layout
= ctx
->options
->layout
;
2374 struct radv_descriptor_set_layout
*layout
= pipeline_layout
->set
[desc_set
].layout
;
2375 unsigned base_offset
= layout
->binding
[binding
].offset
;
2376 LLVMValueRef offset
, stride
;
2378 if (layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
||
2379 layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
) {
2380 unsigned idx
= pipeline_layout
->set
[desc_set
].dynamic_offset_start
+
2381 layout
->binding
[binding
].dynamic_offset_offset
;
2382 desc_ptr
= ctx
->abi
.push_constants
;
2383 base_offset
= pipeline_layout
->push_constant_size
+ 16 * idx
;
2384 stride
= LLVMConstInt(ctx
->ac
.i32
, 16, false);
2386 stride
= LLVMConstInt(ctx
->ac
.i32
, layout
->binding
[binding
].size
, false);
2388 offset
= LLVMConstInt(ctx
->ac
.i32
, base_offset
, false);
2389 index
= LLVMBuildMul(ctx
->ac
.builder
, index
, stride
, "");
2390 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
, index
, "");
2392 desc_ptr
= ac_build_gep0(&ctx
->ac
, desc_ptr
, offset
);
2393 desc_ptr
= cast_ptr(&ctx
->ac
, desc_ptr
, ctx
->ac
.v4i32
);
2394 LLVMSetMetadata(desc_ptr
, ctx
->ac
.uniform_md_kind
, ctx
->ac
.empty_md
);
2399 static LLVMValueRef
visit_vulkan_resource_reindex(struct ac_nir_context
*ctx
,
2400 nir_intrinsic_instr
*instr
)
2402 LLVMValueRef ptr
= get_src(ctx
, instr
->src
[0]);
2403 LLVMValueRef index
= get_src(ctx
, instr
->src
[1]);
2405 LLVMValueRef result
= LLVMBuildGEP(ctx
->ac
.builder
, ptr
, &index
, 1, "");
2406 LLVMSetMetadata(result
, ctx
->ac
.uniform_md_kind
, ctx
->ac
.empty_md
);
2410 static LLVMValueRef
visit_load_push_constant(struct ac_nir_context
*ctx
,
2411 nir_intrinsic_instr
*instr
)
2413 LLVMValueRef ptr
, addr
;
2415 addr
= LLVMConstInt(ctx
->ac
.i32
, nir_intrinsic_base(instr
), 0);
2416 addr
= LLVMBuildAdd(ctx
->ac
.builder
, addr
,
2417 get_src(ctx
, instr
->src
[0]), "");
2419 ptr
= ac_build_gep0(&ctx
->ac
, ctx
->abi
->push_constants
, addr
);
2420 ptr
= cast_ptr(&ctx
->ac
, ptr
, get_def_type(ctx
, &instr
->dest
.ssa
));
2422 return LLVMBuildLoad(ctx
->ac
.builder
, ptr
, "");
2425 static LLVMValueRef
visit_get_buffer_size(struct ac_nir_context
*ctx
,
2426 const nir_intrinsic_instr
*instr
)
2428 LLVMValueRef index
= get_src(ctx
, instr
->src
[0]);
2430 return get_buffer_size(ctx
, ctx
->abi
->load_ssbo(ctx
->abi
, index
, false), false);
2433 static uint32_t widen_mask(uint32_t mask
, unsigned multiplier
)
2435 uint32_t new_mask
= 0;
2436 for(unsigned i
= 0; i
< 32 && (1u << i
) <= mask
; ++i
)
2437 if (mask
& (1u << i
))
2438 new_mask
|= ((1u << multiplier
) - 1u) << (i
* multiplier
);
2442 static LLVMValueRef
extract_vector_range(struct ac_llvm_context
*ctx
, LLVMValueRef src
,
2443 unsigned start
, unsigned count
)
2445 LLVMTypeRef type
= LLVMTypeOf(src
);
2447 if (LLVMGetTypeKind(type
) != LLVMVectorTypeKind
) {
2453 unsigned src_elements
= LLVMGetVectorSize(type
);
2454 assert(start
< src_elements
);
2455 assert(start
+ count
<= src_elements
);
2457 if (start
== 0 && count
== src_elements
)
2461 return LLVMBuildExtractElement(ctx
->builder
, src
, LLVMConstInt(ctx
->i32
, start
, false), "");
2464 LLVMValueRef indices
[8];
2465 for (unsigned i
= 0; i
< count
; ++i
)
2466 indices
[i
] = LLVMConstInt(ctx
->i32
, start
+ i
, false);
2468 LLVMValueRef swizzle
= LLVMConstVector(indices
, count
);
2469 return LLVMBuildShuffleVector(ctx
->builder
, src
, src
, swizzle
, "");
2472 static void visit_store_ssbo(struct ac_nir_context
*ctx
,
2473 nir_intrinsic_instr
*instr
)
2475 const char *store_name
;
2476 LLVMValueRef src_data
= get_src(ctx
, instr
->src
[0]);
2477 LLVMTypeRef data_type
= ctx
->ac
.f32
;
2478 int elem_size_mult
= ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src_data
)) / 32;
2479 int components_32bit
= elem_size_mult
* instr
->num_components
;
2480 unsigned writemask
= nir_intrinsic_write_mask(instr
);
2481 LLVMValueRef base_data
, base_offset
;
2482 LLVMValueRef params
[6];
2484 params
[1] = ctx
->abi
->load_ssbo(ctx
->abi
,
2485 get_src(ctx
, instr
->src
[1]), true);
2486 params
[2] = ctx
->ac
.i32_0
; /* vindex */
2487 params
[4] = ctx
->ac
.i1false
; /* glc */
2488 params
[5] = ctx
->ac
.i1false
; /* slc */
2490 if (components_32bit
> 1)
2491 data_type
= LLVMVectorType(ctx
->ac
.f32
, components_32bit
);
2493 writemask
= widen_mask(writemask
, elem_size_mult
);
2495 base_data
= ac_to_float(&ctx
->ac
, src_data
);
2496 base_data
= trim_vector(&ctx
->ac
, base_data
, instr
->num_components
);
2497 base_data
= LLVMBuildBitCast(ctx
->ac
.builder
, base_data
,
2499 base_offset
= get_src(ctx
, instr
->src
[2]); /* voffset */
2503 LLVMValueRef offset
;
2505 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
2507 /* Due to an LLVM limitation, split 3-element writes
2508 * into a 2-element and a 1-element write. */
2510 writemask
|= 1 << (start
+ 2);
2515 writemask
|= ((1u << (count
- 4)) - 1u) << (start
+ 4);
2520 store_name
= "llvm.amdgcn.buffer.store.v4f32";
2521 } else if (count
== 2) {
2522 store_name
= "llvm.amdgcn.buffer.store.v2f32";
2526 store_name
= "llvm.amdgcn.buffer.store.f32";
2528 data
= extract_vector_range(&ctx
->ac
, base_data
, start
, count
);
2530 offset
= base_offset
;
2532 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
, LLVMConstInt(ctx
->ac
.i32
, start
* 4, false), "");
2536 ac_build_intrinsic(&ctx
->ac
, store_name
,
2537 ctx
->ac
.voidt
, params
, 6, 0);
2541 static LLVMValueRef
visit_atomic_ssbo(struct ac_nir_context
*ctx
,
2542 const nir_intrinsic_instr
*instr
)
2545 LLVMValueRef params
[6];
2548 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
) {
2549 params
[arg_count
++] = ac_llvm_extract_elem(&ctx
->ac
, get_src(ctx
, instr
->src
[3]), 0);
2551 params
[arg_count
++] = ac_llvm_extract_elem(&ctx
->ac
, get_src(ctx
, instr
->src
[2]), 0);
2552 params
[arg_count
++] = ctx
->abi
->load_ssbo(ctx
->abi
,
2553 get_src(ctx
, instr
->src
[0]),
2555 params
[arg_count
++] = ctx
->ac
.i32_0
; /* vindex */
2556 params
[arg_count
++] = get_src(ctx
, instr
->src
[1]); /* voffset */
2557 params
[arg_count
++] = LLVMConstInt(ctx
->ac
.i1
, 0, false); /* slc */
2559 switch (instr
->intrinsic
) {
2560 case nir_intrinsic_ssbo_atomic_add
:
2561 name
= "llvm.amdgcn.buffer.atomic.add";
2563 case nir_intrinsic_ssbo_atomic_imin
:
2564 name
= "llvm.amdgcn.buffer.atomic.smin";
2566 case nir_intrinsic_ssbo_atomic_umin
:
2567 name
= "llvm.amdgcn.buffer.atomic.umin";
2569 case nir_intrinsic_ssbo_atomic_imax
:
2570 name
= "llvm.amdgcn.buffer.atomic.smax";
2572 case nir_intrinsic_ssbo_atomic_umax
:
2573 name
= "llvm.amdgcn.buffer.atomic.umax";
2575 case nir_intrinsic_ssbo_atomic_and
:
2576 name
= "llvm.amdgcn.buffer.atomic.and";
2578 case nir_intrinsic_ssbo_atomic_or
:
2579 name
= "llvm.amdgcn.buffer.atomic.or";
2581 case nir_intrinsic_ssbo_atomic_xor
:
2582 name
= "llvm.amdgcn.buffer.atomic.xor";
2584 case nir_intrinsic_ssbo_atomic_exchange
:
2585 name
= "llvm.amdgcn.buffer.atomic.swap";
2587 case nir_intrinsic_ssbo_atomic_comp_swap
:
2588 name
= "llvm.amdgcn.buffer.atomic.cmpswap";
2594 return ac_build_intrinsic(&ctx
->ac
, name
, ctx
->ac
.i32
, params
, arg_count
, 0);
2597 static LLVMValueRef
visit_load_buffer(struct ac_nir_context
*ctx
,
2598 const nir_intrinsic_instr
*instr
)
2600 LLVMValueRef results
[2];
2601 int load_components
;
2602 int num_components
= instr
->num_components
;
2603 if (instr
->dest
.ssa
.bit_size
== 64)
2604 num_components
*= 2;
2606 for (int i
= 0; i
< num_components
; i
+= load_components
) {
2607 load_components
= MIN2(num_components
- i
, 4);
2608 const char *load_name
;
2609 LLVMTypeRef data_type
= ctx
->ac
.f32
;
2610 LLVMValueRef offset
= LLVMConstInt(ctx
->ac
.i32
, i
* 4, false);
2611 offset
= LLVMBuildAdd(ctx
->ac
.builder
, get_src(ctx
, instr
->src
[1]), offset
, "");
2613 if (load_components
== 3)
2614 data_type
= LLVMVectorType(ctx
->ac
.f32
, 4);
2615 else if (load_components
> 1)
2616 data_type
= LLVMVectorType(ctx
->ac
.f32
, load_components
);
2618 if (load_components
>= 3)
2619 load_name
= "llvm.amdgcn.buffer.load.v4f32";
2620 else if (load_components
== 2)
2621 load_name
= "llvm.amdgcn.buffer.load.v2f32";
2622 else if (load_components
== 1)
2623 load_name
= "llvm.amdgcn.buffer.load.f32";
2625 unreachable("unhandled number of components");
2627 LLVMValueRef params
[] = {
2628 ctx
->abi
->load_ssbo(ctx
->abi
,
2629 get_src(ctx
, instr
->src
[0]),
2637 results
[i
> 0 ? 1 : 0] = ac_build_intrinsic(&ctx
->ac
, load_name
, data_type
, params
, 5, 0);
2641 LLVMValueRef ret
= results
[0];
2642 if (num_components
> 4 || num_components
== 3) {
2643 LLVMValueRef masks
[] = {
2644 LLVMConstInt(ctx
->ac
.i32
, 0, false), LLVMConstInt(ctx
->ac
.i32
, 1, false),
2645 LLVMConstInt(ctx
->ac
.i32
, 2, false), LLVMConstInt(ctx
->ac
.i32
, 3, false),
2646 LLVMConstInt(ctx
->ac
.i32
, 4, false), LLVMConstInt(ctx
->ac
.i32
, 5, false),
2647 LLVMConstInt(ctx
->ac
.i32
, 6, false), LLVMConstInt(ctx
->ac
.i32
, 7, false)
2650 LLVMValueRef swizzle
= LLVMConstVector(masks
, num_components
);
2651 ret
= LLVMBuildShuffleVector(ctx
->ac
.builder
, results
[0],
2652 results
[num_components
> 4 ? 1 : 0], swizzle
, "");
2655 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
,
2656 get_def_type(ctx
, &instr
->dest
.ssa
), "");
2659 static LLVMValueRef
visit_load_ubo_buffer(struct ac_nir_context
*ctx
,
2660 const nir_intrinsic_instr
*instr
)
2663 LLVMValueRef rsrc
= get_src(ctx
, instr
->src
[0]);
2664 LLVMValueRef offset
= get_src(ctx
, instr
->src
[1]);
2665 int num_components
= instr
->num_components
;
2667 if (ctx
->abi
->load_ubo
)
2668 rsrc
= ctx
->abi
->load_ubo(ctx
->abi
, rsrc
);
2670 if (instr
->dest
.ssa
.bit_size
== 64)
2671 num_components
*= 2;
2673 ret
= ac_build_buffer_load(&ctx
->ac
, rsrc
, num_components
, NULL
, offset
,
2674 NULL
, 0, false, false, true, true);
2675 ret
= trim_vector(&ctx
->ac
, ret
, num_components
);
2676 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
,
2677 get_def_type(ctx
, &instr
->dest
.ssa
), "");
2681 get_deref_offset(struct ac_nir_context
*ctx
, nir_deref_var
*deref
,
2682 bool vs_in
, unsigned *vertex_index_out
,
2683 LLVMValueRef
*vertex_index_ref
,
2684 unsigned *const_out
, LLVMValueRef
*indir_out
)
2686 unsigned const_offset
= 0;
2687 nir_deref
*tail
= &deref
->deref
;
2688 LLVMValueRef offset
= NULL
;
2690 if (vertex_index_out
!= NULL
|| vertex_index_ref
!= NULL
) {
2692 nir_deref_array
*deref_array
= nir_deref_as_array(tail
);
2693 if (vertex_index_out
)
2694 *vertex_index_out
= deref_array
->base_offset
;
2696 if (vertex_index_ref
) {
2697 LLVMValueRef vtx
= LLVMConstInt(ctx
->ac
.i32
, deref_array
->base_offset
, false);
2698 if (deref_array
->deref_array_type
== nir_deref_array_type_indirect
) {
2699 vtx
= LLVMBuildAdd(ctx
->ac
.builder
, vtx
, get_src(ctx
, deref_array
->indirect
), "");
2701 *vertex_index_ref
= vtx
;
2705 if (deref
->var
->data
.compact
) {
2706 assert(tail
->child
->deref_type
== nir_deref_type_array
);
2707 assert(glsl_type_is_scalar(glsl_without_array(deref
->var
->type
)));
2708 nir_deref_array
*deref_array
= nir_deref_as_array(tail
->child
);
2709 /* We always lower indirect dereferences for "compact" array vars. */
2710 assert(deref_array
->deref_array_type
== nir_deref_array_type_direct
);
2712 const_offset
= deref_array
->base_offset
;
2716 while (tail
->child
!= NULL
) {
2717 const struct glsl_type
*parent_type
= tail
->type
;
2720 if (tail
->deref_type
== nir_deref_type_array
) {
2721 nir_deref_array
*deref_array
= nir_deref_as_array(tail
);
2722 LLVMValueRef index
, stride
, local_offset
;
2723 unsigned size
= glsl_count_attribute_slots(tail
->type
, vs_in
);
2725 const_offset
+= size
* deref_array
->base_offset
;
2726 if (deref_array
->deref_array_type
== nir_deref_array_type_direct
)
2729 assert(deref_array
->deref_array_type
== nir_deref_array_type_indirect
);
2730 index
= get_src(ctx
, deref_array
->indirect
);
2731 stride
= LLVMConstInt(ctx
->ac
.i32
, size
, 0);
2732 local_offset
= LLVMBuildMul(ctx
->ac
.builder
, stride
, index
, "");
2735 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
, local_offset
, "");
2737 offset
= local_offset
;
2738 } else if (tail
->deref_type
== nir_deref_type_struct
) {
2739 nir_deref_struct
*deref_struct
= nir_deref_as_struct(tail
);
2741 for (unsigned i
= 0; i
< deref_struct
->index
; i
++) {
2742 const struct glsl_type
*ft
= glsl_get_struct_field(parent_type
, i
);
2743 const_offset
+= glsl_count_attribute_slots(ft
, vs_in
);
2746 unreachable("unsupported deref type");
2750 if (const_offset
&& offset
)
2751 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
,
2752 LLVMConstInt(ctx
->ac
.i32
, const_offset
, 0),
2755 *const_out
= const_offset
;
2756 *indir_out
= offset
;
2760 /* The offchip buffer layout for TCS->TES is
2762 * - attribute 0 of patch 0 vertex 0
2763 * - attribute 0 of patch 0 vertex 1
2764 * - attribute 0 of patch 0 vertex 2
2766 * - attribute 0 of patch 1 vertex 0
2767 * - attribute 0 of patch 1 vertex 1
2769 * - attribute 1 of patch 0 vertex 0
2770 * - attribute 1 of patch 0 vertex 1
2772 * - per patch attribute 0 of patch 0
2773 * - per patch attribute 0 of patch 1
2776 * Note that every attribute has 4 components.
2778 static LLVMValueRef
get_tcs_tes_buffer_address(struct radv_shader_context
*ctx
,
2779 LLVMValueRef vertex_index
,
2780 LLVMValueRef param_index
)
2782 LLVMValueRef base_addr
, vertices_per_patch
, num_patches
;
2783 LLVMValueRef param_stride
, constant16
;
2784 LLVMValueRef rel_patch_id
= get_rel_patch_id(ctx
);
2786 vertices_per_patch
= LLVMConstInt(ctx
->ac
.i32
, ctx
->tcs_vertices_per_patch
, false);
2787 num_patches
= unpack_param(&ctx
->ac
, ctx
->tcs_offchip_layout
, 0, 9);
2789 constant16
= LLVMConstInt(ctx
->ac
.i32
, 16, false);
2791 base_addr
= LLVMBuildMul(ctx
->ac
.builder
, rel_patch_id
,
2792 vertices_per_patch
, "");
2794 base_addr
= LLVMBuildAdd(ctx
->ac
.builder
, base_addr
,
2797 param_stride
= LLVMBuildMul(ctx
->ac
.builder
, vertices_per_patch
,
2800 base_addr
= rel_patch_id
;
2801 param_stride
= num_patches
;
2804 base_addr
= LLVMBuildAdd(ctx
->ac
.builder
, base_addr
,
2805 LLVMBuildMul(ctx
->ac
.builder
, param_index
,
2806 param_stride
, ""), "");
2808 base_addr
= LLVMBuildMul(ctx
->ac
.builder
, base_addr
, constant16
, "");
2810 if (!vertex_index
) {
2811 LLVMValueRef patch_data_offset
=
2812 unpack_param(&ctx
->ac
, ctx
->tcs_offchip_layout
, 16, 16);
2814 base_addr
= LLVMBuildAdd(ctx
->ac
.builder
, base_addr
,
2815 patch_data_offset
, "");
2820 static LLVMValueRef
get_tcs_tes_buffer_address_params(struct radv_shader_context
*ctx
,
2822 unsigned const_index
,
2824 LLVMValueRef vertex_index
,
2825 LLVMValueRef indir_index
)
2827 LLVMValueRef param_index
;
2830 param_index
= LLVMBuildAdd(ctx
->ac
.builder
, LLVMConstInt(ctx
->ac
.i32
, param
, false),
2833 if (const_index
&& !is_compact
)
2834 param
+= const_index
;
2835 param_index
= LLVMConstInt(ctx
->ac
.i32
, param
, false);
2837 return get_tcs_tes_buffer_address(ctx
, vertex_index
, param_index
);
2841 mark_tess_output(struct radv_shader_context
*ctx
,
2842 bool is_patch
, uint32_t param
)
2846 ctx
->tess_patch_outputs_written
|= (1ull << param
);
2848 ctx
->tess_outputs_written
|= (1ull << param
);
2852 get_dw_address(struct radv_shader_context
*ctx
,
2853 LLVMValueRef dw_addr
,
2855 unsigned const_index
,
2856 bool compact_const_index
,
2857 LLVMValueRef vertex_index
,
2858 LLVMValueRef stride
,
2859 LLVMValueRef indir_index
)
2864 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2865 LLVMBuildMul(ctx
->ac
.builder
,
2871 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2872 LLVMBuildMul(ctx
->ac
.builder
, indir_index
,
2873 LLVMConstInt(ctx
->ac
.i32
, 4, false), ""), "");
2874 else if (const_index
&& !compact_const_index
)
2875 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2876 LLVMConstInt(ctx
->ac
.i32
, const_index
, false), "");
2878 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2879 LLVMConstInt(ctx
->ac
.i32
, param
* 4, false), "");
2881 if (const_index
&& compact_const_index
)
2882 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2883 LLVMConstInt(ctx
->ac
.i32
, const_index
, false), "");
2888 load_tcs_varyings(struct ac_shader_abi
*abi
,
2890 LLVMValueRef vertex_index
,
2891 LLVMValueRef indir_index
,
2892 unsigned const_index
,
2894 unsigned driver_location
,
2896 unsigned num_components
,
2901 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
2902 LLVMValueRef dw_addr
, stride
;
2903 LLVMValueRef value
[4], result
;
2904 unsigned param
= shader_io_get_unique_index(location
);
2907 stride
= unpack_param(&ctx
->ac
, ctx
->tcs_in_layout
, 13, 8);
2908 dw_addr
= get_tcs_in_current_patch_offset(ctx
);
2911 stride
= get_tcs_out_vertex_stride(ctx
);
2912 dw_addr
= get_tcs_out_current_patch_offset(ctx
);
2914 dw_addr
= get_tcs_out_current_patch_data_offset(ctx
);
2919 dw_addr
= get_dw_address(ctx
, dw_addr
, param
, const_index
, is_compact
, vertex_index
, stride
,
2922 for (unsigned i
= 0; i
< num_components
+ component
; i
++) {
2923 value
[i
] = ac_lds_load(&ctx
->ac
, dw_addr
);
2924 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2927 result
= ac_build_varying_gather_values(&ctx
->ac
, value
, num_components
, component
);
2932 store_tcs_output(struct ac_shader_abi
*abi
,
2933 LLVMValueRef vertex_index
,
2934 LLVMValueRef param_index
,
2935 unsigned const_index
,
2937 unsigned driver_location
,
2944 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
2945 LLVMValueRef dw_addr
;
2946 LLVMValueRef stride
= NULL
;
2947 LLVMValueRef buf_addr
= NULL
;
2949 bool store_lds
= true;
2952 if (!(ctx
->tcs_patch_outputs_read
& (1U << (location
- VARYING_SLOT_PATCH0
))))
2955 if (!(ctx
->tcs_outputs_read
& (1ULL << location
)))
2959 param
= shader_io_get_unique_index(location
);
2960 if (location
== VARYING_SLOT_CLIP_DIST0
&&
2961 is_compact
&& const_index
> 3) {
2967 stride
= get_tcs_out_vertex_stride(ctx
);
2968 dw_addr
= get_tcs_out_current_patch_offset(ctx
);
2970 dw_addr
= get_tcs_out_current_patch_data_offset(ctx
);
2973 mark_tess_output(ctx
, is_patch
, param
);
2975 dw_addr
= get_dw_address(ctx
, dw_addr
, param
, const_index
, is_compact
, vertex_index
, stride
,
2977 buf_addr
= get_tcs_tes_buffer_address_params(ctx
, param
, const_index
, is_compact
,
2978 vertex_index
, param_index
);
2980 bool is_tess_factor
= false;
2981 if (location
== VARYING_SLOT_TESS_LEVEL_INNER
||
2982 location
== VARYING_SLOT_TESS_LEVEL_OUTER
)
2983 is_tess_factor
= true;
2985 unsigned base
= is_compact
? const_index
: 0;
2986 for (unsigned chan
= 0; chan
< 8; chan
++) {
2987 if (!(writemask
& (1 << chan
)))
2989 LLVMValueRef value
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
- component
);
2991 if (store_lds
|| is_tess_factor
) {
2992 LLVMValueRef dw_addr_chan
=
2993 LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
2994 LLVMConstInt(ctx
->ac
.i32
, chan
, false), "");
2995 ac_lds_store(&ctx
->ac
, dw_addr_chan
, value
);
2998 if (!is_tess_factor
&& writemask
!= 0xF)
2999 ac_build_buffer_store_dword(&ctx
->ac
, ctx
->hs_ring_tess_offchip
, value
, 1,
3000 buf_addr
, ctx
->oc_lds
,
3001 4 * (base
+ chan
), 1, 0, true, false);
3004 if (writemask
== 0xF) {
3005 ac_build_buffer_store_dword(&ctx
->ac
, ctx
->hs_ring_tess_offchip
, src
, 4,
3006 buf_addr
, ctx
->oc_lds
,
3007 (base
* 4), 1, 0, true, false);
3012 load_tes_input(struct ac_shader_abi
*abi
,
3014 LLVMValueRef vertex_index
,
3015 LLVMValueRef param_index
,
3016 unsigned const_index
,
3018 unsigned driver_location
,
3020 unsigned num_components
,
3025 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
3026 LLVMValueRef buf_addr
;
3027 LLVMValueRef result
;
3028 unsigned param
= shader_io_get_unique_index(location
);
3030 if (location
== VARYING_SLOT_CLIP_DIST0
&& is_compact
&& const_index
> 3) {
3035 buf_addr
= get_tcs_tes_buffer_address_params(ctx
, param
, const_index
,
3036 is_compact
, vertex_index
, param_index
);
3038 LLVMValueRef comp_offset
= LLVMConstInt(ctx
->ac
.i32
, component
* 4, false);
3039 buf_addr
= LLVMBuildAdd(ctx
->ac
.builder
, buf_addr
, comp_offset
, "");
3041 result
= ac_build_buffer_load(&ctx
->ac
, ctx
->hs_ring_tess_offchip
, num_components
, NULL
,
3042 buf_addr
, ctx
->oc_lds
, is_compact
? (4 * const_index
) : 0, 1, 0, true, false);
3043 result
= trim_vector(&ctx
->ac
, result
, num_components
);
3048 load_gs_input(struct ac_shader_abi
*abi
,
3050 unsigned driver_location
,
3052 unsigned num_components
,
3053 unsigned vertex_index
,
3054 unsigned const_index
,
3057 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
3058 LLVMValueRef vtx_offset
;
3059 unsigned param
, vtx_offset_param
;
3060 LLVMValueRef value
[4], result
;
3062 vtx_offset_param
= vertex_index
;
3063 assert(vtx_offset_param
< 6);
3064 vtx_offset
= LLVMBuildMul(ctx
->ac
.builder
, ctx
->gs_vtx_offset
[vtx_offset_param
],
3065 LLVMConstInt(ctx
->ac
.i32
, 4, false), "");
3067 param
= shader_io_get_unique_index(location
);
3069 for (unsigned i
= component
; i
< num_components
+ component
; i
++) {
3070 if (ctx
->ac
.chip_class
>= GFX9
) {
3071 LLVMValueRef dw_addr
= ctx
->gs_vtx_offset
[vtx_offset_param
];
3072 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
,
3073 LLVMConstInt(ctx
->ac
.i32
, param
* 4 + i
+ const_index
, 0), "");
3074 value
[i
] = ac_lds_load(&ctx
->ac
, dw_addr
);
3076 LLVMValueRef soffset
=
3077 LLVMConstInt(ctx
->ac
.i32
,
3078 (param
* 4 + i
+ const_index
) * 256,
3081 value
[i
] = ac_build_buffer_load(&ctx
->ac
,
3084 vtx_offset
, soffset
,
3085 0, 1, 0, true, false);
3087 value
[i
] = LLVMBuildBitCast(ctx
->ac
.builder
, value
[i
],
3091 result
= ac_build_varying_gather_values(&ctx
->ac
, value
, num_components
, component
);
3092 result
= ac_to_integer(&ctx
->ac
, result
);
3097 build_gep_for_deref(struct ac_nir_context
*ctx
,
3098 nir_deref_var
*deref
)
3100 struct hash_entry
*entry
= _mesa_hash_table_search(ctx
->vars
, deref
->var
);
3101 assert(entry
->data
);
3102 LLVMValueRef val
= entry
->data
;
3103 nir_deref
*tail
= deref
->deref
.child
;
3104 while (tail
!= NULL
) {
3105 LLVMValueRef offset
;
3106 switch (tail
->deref_type
) {
3107 case nir_deref_type_array
: {
3108 nir_deref_array
*array
= nir_deref_as_array(tail
);
3109 offset
= LLVMConstInt(ctx
->ac
.i32
, array
->base_offset
, 0);
3110 if (array
->deref_array_type
==
3111 nir_deref_array_type_indirect
) {
3112 offset
= LLVMBuildAdd(ctx
->ac
.builder
, offset
,
3119 case nir_deref_type_struct
: {
3120 nir_deref_struct
*deref_struct
=
3121 nir_deref_as_struct(tail
);
3122 offset
= LLVMConstInt(ctx
->ac
.i32
,
3123 deref_struct
->index
, 0);
3127 unreachable("bad deref type");
3129 val
= ac_build_gep0(&ctx
->ac
, val
, offset
);
3135 static LLVMValueRef
load_tess_varyings(struct ac_nir_context
*ctx
,
3136 nir_intrinsic_instr
*instr
,
3139 LLVMValueRef result
;
3140 LLVMValueRef vertex_index
= NULL
;
3141 LLVMValueRef indir_index
= NULL
;
3142 unsigned const_index
= 0;
3143 unsigned location
= instr
->variables
[0]->var
->data
.location
;
3144 unsigned driver_location
= instr
->variables
[0]->var
->data
.driver_location
;
3145 const bool is_patch
= instr
->variables
[0]->var
->data
.patch
;
3146 const bool is_compact
= instr
->variables
[0]->var
->data
.compact
;
3148 get_deref_offset(ctx
, instr
->variables
[0],
3149 false, NULL
, is_patch
? NULL
: &vertex_index
,
3150 &const_index
, &indir_index
);
3152 LLVMTypeRef dest_type
= get_def_type(ctx
, &instr
->dest
.ssa
);
3154 LLVMTypeRef src_component_type
;
3155 if (LLVMGetTypeKind(dest_type
) == LLVMVectorTypeKind
)
3156 src_component_type
= LLVMGetElementType(dest_type
);
3158 src_component_type
= dest_type
;
3160 result
= ctx
->abi
->load_tess_varyings(ctx
->abi
, src_component_type
,
3161 vertex_index
, indir_index
,
3162 const_index
, location
, driver_location
,
3163 instr
->variables
[0]->var
->data
.location_frac
,
3164 instr
->num_components
,
3165 is_patch
, is_compact
, load_inputs
);
3166 return LLVMBuildBitCast(ctx
->ac
.builder
, result
, dest_type
, "");
3169 static LLVMValueRef
visit_load_var(struct ac_nir_context
*ctx
,
3170 nir_intrinsic_instr
*instr
)
3172 LLVMValueRef values
[8];
3173 int idx
= instr
->variables
[0]->var
->data
.driver_location
;
3174 int ve
= instr
->dest
.ssa
.num_components
;
3175 unsigned comp
= instr
->variables
[0]->var
->data
.location_frac
;
3176 LLVMValueRef indir_index
;
3178 unsigned const_index
;
3179 unsigned stride
= instr
->variables
[0]->var
->data
.compact
? 1 : 4;
3180 bool vs_in
= ctx
->stage
== MESA_SHADER_VERTEX
&&
3181 instr
->variables
[0]->var
->data
.mode
== nir_var_shader_in
;
3182 get_deref_offset(ctx
, instr
->variables
[0], vs_in
, NULL
, NULL
,
3183 &const_index
, &indir_index
);
3185 if (instr
->dest
.ssa
.bit_size
== 64)
3188 switch (instr
->variables
[0]->var
->data
.mode
) {
3189 case nir_var_shader_in
:
3190 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
||
3191 ctx
->stage
== MESA_SHADER_TESS_EVAL
) {
3192 return load_tess_varyings(ctx
, instr
, true);
3195 if (ctx
->stage
== MESA_SHADER_GEOMETRY
) {
3196 LLVMTypeRef type
= LLVMIntTypeInContext(ctx
->ac
.context
, instr
->dest
.ssa
.bit_size
);
3197 LLVMValueRef indir_index
;
3198 unsigned const_index
, vertex_index
;
3199 get_deref_offset(ctx
, instr
->variables
[0],
3200 false, &vertex_index
, NULL
,
3201 &const_index
, &indir_index
);
3203 return ctx
->abi
->load_inputs(ctx
->abi
, instr
->variables
[0]->var
->data
.location
,
3204 instr
->variables
[0]->var
->data
.driver_location
,
3205 instr
->variables
[0]->var
->data
.location_frac
, ve
,
3206 vertex_index
, const_index
, type
);
3209 for (unsigned chan
= comp
; chan
< ve
+ comp
; chan
++) {
3211 unsigned count
= glsl_count_attribute_slots(
3212 instr
->variables
[0]->var
->type
,
3213 ctx
->stage
== MESA_SHADER_VERTEX
);
3215 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
3216 &ctx
->ac
, ctx
->abi
->inputs
+ idx
+ chan
, count
,
3217 stride
, false, true);
3219 values
[chan
] = LLVMBuildExtractElement(ctx
->ac
.builder
,
3223 values
[chan
] = ctx
->abi
->inputs
[idx
+ chan
+ const_index
* stride
];
3227 for (unsigned chan
= 0; chan
< ve
; chan
++) {
3229 unsigned count
= glsl_count_attribute_slots(
3230 instr
->variables
[0]->var
->type
, false);
3232 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
3233 &ctx
->ac
, ctx
->locals
+ idx
+ chan
, count
,
3234 stride
, true, true);
3236 values
[chan
] = LLVMBuildExtractElement(ctx
->ac
.builder
,
3240 values
[chan
] = LLVMBuildLoad(ctx
->ac
.builder
, ctx
->locals
[idx
+ chan
+ const_index
* stride
], "");
3244 case nir_var_shared
: {
3245 LLVMValueRef address
= build_gep_for_deref(ctx
,
3246 instr
->variables
[0]);
3247 LLVMValueRef val
= LLVMBuildLoad(ctx
->ac
.builder
, address
, "");
3248 return LLVMBuildBitCast(ctx
->ac
.builder
, val
,
3249 get_def_type(ctx
, &instr
->dest
.ssa
),
3252 case nir_var_shader_out
:
3253 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
3254 return load_tess_varyings(ctx
, instr
, false);
3257 for (unsigned chan
= comp
; chan
< ve
+ comp
; chan
++) {
3259 unsigned count
= glsl_count_attribute_slots(
3260 instr
->variables
[0]->var
->type
, false);
3262 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
3263 &ctx
->ac
, ctx
->abi
->outputs
+ idx
+ chan
, count
,
3264 stride
, true, true);
3266 values
[chan
] = LLVMBuildExtractElement(ctx
->ac
.builder
,
3270 values
[chan
] = LLVMBuildLoad(ctx
->ac
.builder
,
3271 ctx
->abi
->outputs
[idx
+ chan
+ const_index
* stride
],
3277 unreachable("unhandle variable mode");
3279 ret
= ac_build_varying_gather_values(&ctx
->ac
, values
, ve
, comp
);
3280 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
, get_def_type(ctx
, &instr
->dest
.ssa
), "");
3284 visit_store_var(struct ac_nir_context
*ctx
,
3285 nir_intrinsic_instr
*instr
)
3287 LLVMValueRef temp_ptr
, value
;
3288 int idx
= instr
->variables
[0]->var
->data
.driver_location
;
3289 unsigned comp
= instr
->variables
[0]->var
->data
.location_frac
;
3290 LLVMValueRef src
= ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
3291 int writemask
= instr
->const_index
[0] << comp
;
3292 LLVMValueRef indir_index
;
3293 unsigned const_index
;
3294 get_deref_offset(ctx
, instr
->variables
[0], false,
3295 NULL
, NULL
, &const_index
, &indir_index
);
3297 if (ac_get_elem_bits(&ctx
->ac
, LLVMTypeOf(src
)) == 64) {
3299 src
= LLVMBuildBitCast(ctx
->ac
.builder
, src
,
3300 LLVMVectorType(ctx
->ac
.f32
, ac_get_llvm_num_components(src
) * 2),
3303 writemask
= widen_mask(writemask
, 2);
3306 switch (instr
->variables
[0]->var
->data
.mode
) {
3307 case nir_var_shader_out
:
3309 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
3310 LLVMValueRef vertex_index
= NULL
;
3311 LLVMValueRef indir_index
= NULL
;
3312 unsigned const_index
= 0;
3313 const unsigned location
= instr
->variables
[0]->var
->data
.location
;
3314 const unsigned driver_location
= instr
->variables
[0]->var
->data
.driver_location
;
3315 const unsigned comp
= instr
->variables
[0]->var
->data
.location_frac
;
3316 const bool is_patch
= instr
->variables
[0]->var
->data
.patch
;
3317 const bool is_compact
= instr
->variables
[0]->var
->data
.compact
;
3319 get_deref_offset(ctx
, instr
->variables
[0],
3320 false, NULL
, is_patch
? NULL
: &vertex_index
,
3321 &const_index
, &indir_index
);
3323 ctx
->abi
->store_tcs_outputs(ctx
->abi
, vertex_index
, indir_index
,
3324 const_index
, location
, driver_location
,
3325 src
, comp
, is_patch
, is_compact
, writemask
);
3329 for (unsigned chan
= 0; chan
< 8; chan
++) {
3331 if (!(writemask
& (1 << chan
)))
3334 value
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
- comp
);
3336 if (instr
->variables
[0]->var
->data
.compact
)
3339 unsigned count
= glsl_count_attribute_slots(
3340 instr
->variables
[0]->var
->type
, false);
3342 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
3343 &ctx
->ac
, ctx
->abi
->outputs
+ idx
+ chan
, count
,
3344 stride
, true, true);
3346 tmp_vec
= LLVMBuildInsertElement(ctx
->ac
.builder
, tmp_vec
,
3347 value
, indir_index
, "");
3348 build_store_values_extended(&ctx
->ac
, ctx
->abi
->outputs
+ idx
+ chan
,
3349 count
, stride
, tmp_vec
);
3352 temp_ptr
= ctx
->abi
->outputs
[idx
+ chan
+ const_index
* stride
];
3354 LLVMBuildStore(ctx
->ac
.builder
, value
, temp_ptr
);
3359 for (unsigned chan
= 0; chan
< 8; chan
++) {
3360 if (!(writemask
& (1 << chan
)))
3363 value
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
);
3365 unsigned count
= glsl_count_attribute_slots(
3366 instr
->variables
[0]->var
->type
, false);
3368 LLVMValueRef tmp_vec
= ac_build_gather_values_extended(
3369 &ctx
->ac
, ctx
->locals
+ idx
+ chan
, count
,
3372 tmp_vec
= LLVMBuildInsertElement(ctx
->ac
.builder
, tmp_vec
,
3373 value
, indir_index
, "");
3374 build_store_values_extended(&ctx
->ac
, ctx
->locals
+ idx
+ chan
,
3377 temp_ptr
= ctx
->locals
[idx
+ chan
+ const_index
* 4];
3379 LLVMBuildStore(ctx
->ac
.builder
, value
, temp_ptr
);
3383 case nir_var_shared
: {
3384 int writemask
= instr
->const_index
[0];
3385 LLVMValueRef address
= build_gep_for_deref(ctx
,
3386 instr
->variables
[0]);
3387 LLVMValueRef val
= get_src(ctx
, instr
->src
[0]);
3388 unsigned components
=
3389 glsl_get_vector_elements(
3390 nir_deref_tail(&instr
->variables
[0]->deref
)->type
);
3391 if (writemask
== (1 << components
) - 1) {
3392 val
= LLVMBuildBitCast(
3393 ctx
->ac
.builder
, val
,
3394 LLVMGetElementType(LLVMTypeOf(address
)), "");
3395 LLVMBuildStore(ctx
->ac
.builder
, val
, address
);
3397 for (unsigned chan
= 0; chan
< 4; chan
++) {
3398 if (!(writemask
& (1 << chan
)))
3401 LLVMBuildStructGEP(ctx
->ac
.builder
,
3403 LLVMValueRef src
= ac_llvm_extract_elem(&ctx
->ac
, val
,
3405 src
= LLVMBuildBitCast(
3406 ctx
->ac
.builder
, src
,
3407 LLVMGetElementType(LLVMTypeOf(ptr
)), "");
3408 LLVMBuildStore(ctx
->ac
.builder
, src
, ptr
);
3418 static int image_type_to_components_count(enum glsl_sampler_dim dim
, bool array
)
3421 case GLSL_SAMPLER_DIM_BUF
:
3423 case GLSL_SAMPLER_DIM_1D
:
3424 return array
? 2 : 1;
3425 case GLSL_SAMPLER_DIM_2D
:
3426 return array
? 3 : 2;
3427 case GLSL_SAMPLER_DIM_MS
:
3428 return array
? 4 : 3;
3429 case GLSL_SAMPLER_DIM_3D
:
3430 case GLSL_SAMPLER_DIM_CUBE
:
3432 case GLSL_SAMPLER_DIM_RECT
:
3433 case GLSL_SAMPLER_DIM_SUBPASS
:
3435 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
3444 glsl_is_array_image(const struct glsl_type
*type
)
3446 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3448 if (glsl_sampler_type_is_array(type
))
3451 return dim
== GLSL_SAMPLER_DIM_CUBE
||
3452 dim
== GLSL_SAMPLER_DIM_3D
||
3453 dim
== GLSL_SAMPLER_DIM_SUBPASS
||
3454 dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
;
3458 /* Adjust the sample index according to FMASK.
3460 * For uncompressed MSAA surfaces, FMASK should return 0x76543210,
3461 * which is the identity mapping. Each nibble says which physical sample
3462 * should be fetched to get that sample.
3464 * For example, 0x11111100 means there are only 2 samples stored and
3465 * the second sample covers 3/4 of the pixel. When reading samples 0
3466 * and 1, return physical sample 0 (determined by the first two 0s
3467 * in FMASK), otherwise return physical sample 1.
3469 * The sample index should be adjusted as follows:
3470 * sample_index = (fmask >> (sample_index * 4)) & 0xF;
3472 static LLVMValueRef
adjust_sample_index_using_fmask(struct ac_llvm_context
*ctx
,
3473 LLVMValueRef coord_x
, LLVMValueRef coord_y
,
3474 LLVMValueRef coord_z
,
3475 LLVMValueRef sample_index
,
3476 LLVMValueRef fmask_desc_ptr
)
3478 LLVMValueRef fmask_load_address
[4];
3481 fmask_load_address
[0] = coord_x
;
3482 fmask_load_address
[1] = coord_y
;
3484 fmask_load_address
[2] = coord_z
;
3485 fmask_load_address
[3] = LLVMGetUndef(ctx
->i32
);
3488 struct ac_image_args args
= {0};
3490 args
.opcode
= ac_image_load
;
3491 args
.da
= coord_z
? true : false;
3492 args
.resource
= fmask_desc_ptr
;
3494 args
.addr
= ac_build_gather_values(ctx
, fmask_load_address
, coord_z
? 4 : 2);
3496 res
= ac_build_image_opcode(ctx
, &args
);
3498 res
= ac_to_integer(ctx
, res
);
3499 LLVMValueRef four
= LLVMConstInt(ctx
->i32
, 4, false);
3500 LLVMValueRef F
= LLVMConstInt(ctx
->i32
, 0xf, false);
3502 LLVMValueRef fmask
= LLVMBuildExtractElement(ctx
->builder
,
3506 LLVMValueRef sample_index4
=
3507 LLVMBuildMul(ctx
->builder
, sample_index
, four
, "");
3508 LLVMValueRef shifted_fmask
=
3509 LLVMBuildLShr(ctx
->builder
, fmask
, sample_index4
, "");
3510 LLVMValueRef final_sample
=
3511 LLVMBuildAnd(ctx
->builder
, shifted_fmask
, F
, "");
3513 /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK
3514 * resource descriptor is 0 (invalid),
3516 LLVMValueRef fmask_desc
=
3517 LLVMBuildBitCast(ctx
->builder
, fmask_desc_ptr
,
3520 LLVMValueRef fmask_word1
=
3521 LLVMBuildExtractElement(ctx
->builder
, fmask_desc
,
3524 LLVMValueRef word1_is_nonzero
=
3525 LLVMBuildICmp(ctx
->builder
, LLVMIntNE
,
3526 fmask_word1
, ctx
->i32_0
, "");
3528 /* Replace the MSAA sample index. */
3530 LLVMBuildSelect(ctx
->builder
, word1_is_nonzero
,
3531 final_sample
, sample_index
, "");
3532 return sample_index
;
3535 static LLVMValueRef
get_image_coords(struct ac_nir_context
*ctx
,
3536 const nir_intrinsic_instr
*instr
)
3538 const struct glsl_type
*type
= glsl_without_array(instr
->variables
[0]->var
->type
);
3540 LLVMValueRef src0
= get_src(ctx
, instr
->src
[0]);
3541 LLVMValueRef coords
[4];
3542 LLVMValueRef masks
[] = {
3543 LLVMConstInt(ctx
->ac
.i32
, 0, false), LLVMConstInt(ctx
->ac
.i32
, 1, false),
3544 LLVMConstInt(ctx
->ac
.i32
, 2, false), LLVMConstInt(ctx
->ac
.i32
, 3, false),
3547 LLVMValueRef sample_index
= ac_llvm_extract_elem(&ctx
->ac
, get_src(ctx
, instr
->src
[1]), 0);
3550 enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3551 bool is_array
= glsl_sampler_type_is_array(type
);
3552 bool add_frag_pos
= (dim
== GLSL_SAMPLER_DIM_SUBPASS
||
3553 dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
3554 bool is_ms
= (dim
== GLSL_SAMPLER_DIM_MS
||
3555 dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
3556 bool gfx9_1d
= ctx
->ac
.chip_class
>= GFX9
&& dim
== GLSL_SAMPLER_DIM_1D
;
3557 count
= image_type_to_components_count(dim
, is_array
);
3560 LLVMValueRef fmask_load_address
[3];
3563 fmask_load_address
[0] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[0], "");
3564 fmask_load_address
[1] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[1], "");
3566 fmask_load_address
[2] = LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[2], "");
3568 fmask_load_address
[2] = NULL
;
3570 for (chan
= 0; chan
< 2; ++chan
)
3571 fmask_load_address
[chan
] =
3572 LLVMBuildAdd(ctx
->ac
.builder
, fmask_load_address
[chan
],
3573 LLVMBuildFPToUI(ctx
->ac
.builder
, ctx
->abi
->frag_pos
[chan
],
3574 ctx
->ac
.i32
, ""), "");
3575 fmask_load_address
[2] = ac_to_integer(&ctx
->ac
, ctx
->abi
->inputs
[radeon_llvm_reg_index_soa(VARYING_SLOT_LAYER
, 0)]);
3577 sample_index
= adjust_sample_index_using_fmask(&ctx
->ac
,
3578 fmask_load_address
[0],
3579 fmask_load_address
[1],
3580 fmask_load_address
[2],
3582 get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_FMASK
, NULL
, true, false));
3584 if (count
== 1 && !gfx9_1d
) {
3585 if (instr
->src
[0].ssa
->num_components
)
3586 res
= LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, masks
[0], "");
3593 for (chan
= 0; chan
< count
; ++chan
) {
3594 coords
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, src0
, chan
);
3597 for (chan
= 0; chan
< 2; ++chan
)
3598 coords
[chan
] = LLVMBuildAdd(ctx
->ac
.builder
, coords
[chan
], LLVMBuildFPToUI(ctx
->ac
.builder
, ctx
->abi
->frag_pos
[chan
],
3599 ctx
->ac
.i32
, ""), "");
3600 coords
[2] = ac_to_integer(&ctx
->ac
, ctx
->abi
->inputs
[radeon_llvm_reg_index_soa(VARYING_SLOT_LAYER
, 0)]);
3606 coords
[2] = coords
[1];
3607 coords
[1] = ctx
->ac
.i32_0
;
3609 coords
[1] = ctx
->ac
.i32_0
;
3614 coords
[count
] = sample_index
;
3619 coords
[3] = LLVMGetUndef(ctx
->ac
.i32
);
3622 res
= ac_build_gather_values(&ctx
->ac
, coords
, count
);
3627 static LLVMValueRef
visit_image_load(struct ac_nir_context
*ctx
,
3628 const nir_intrinsic_instr
*instr
)
3630 LLVMValueRef params
[7];
3632 char intrinsic_name
[64];
3633 const nir_variable
*var
= instr
->variables
[0]->var
;
3634 const struct glsl_type
*type
= var
->type
;
3636 if(instr
->variables
[0]->deref
.child
)
3637 type
= instr
->variables
[0]->deref
.child
->type
;
3639 type
= glsl_without_array(type
);
3641 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3642 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
3643 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
3644 unsigned num_channels
= util_last_bit(mask
);
3645 LLVMValueRef rsrc
, vindex
;
3647 rsrc
= get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_BUFFER
, NULL
, true, false);
3648 vindex
= LLVMBuildExtractElement(ctx
->ac
.builder
, get_src(ctx
, instr
->src
[0]),
3651 /* TODO: set "glc" and "can_speculate" when OpenGL needs it. */
3652 res
= ac_build_buffer_load_format(&ctx
->ac
, rsrc
, vindex
,
3653 ctx
->ac
.i32_0
, num_channels
,
3655 res
= ac_build_expand_to_vec4(&ctx
->ac
, res
, num_channels
);
3657 res
= trim_vector(&ctx
->ac
, res
, instr
->dest
.ssa
.num_components
);
3658 res
= ac_to_integer(&ctx
->ac
, res
);
3660 LLVMValueRef da
= glsl_is_array_image(type
) ? ctx
->ac
.i1true
: ctx
->ac
.i1false
;
3661 LLVMValueRef slc
= ctx
->ac
.i1false
;
3663 params
[0] = get_image_coords(ctx
, instr
);
3664 params
[1] = get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_IMAGE
, NULL
, true, false);
3665 params
[2] = LLVMConstInt(ctx
->ac
.i32
, 15, false); /* dmask */
3666 params
[3] = (var
->data
.image
._volatile
|| var
->data
.image
.coherent
) ?
3667 ctx
->ac
.i1true
: ctx
->ac
.i1false
;
3669 params
[5] = ctx
->ac
.i1false
;
3672 ac_get_image_intr_name("llvm.amdgcn.image.load",
3673 ctx
->ac
.v4f32
, /* vdata */
3674 LLVMTypeOf(params
[0]), /* coords */
3675 LLVMTypeOf(params
[1]), /* rsrc */
3676 intrinsic_name
, sizeof(intrinsic_name
));
3678 res
= ac_build_intrinsic(&ctx
->ac
, intrinsic_name
, ctx
->ac
.v4f32
,
3679 params
, 7, AC_FUNC_ATTR_READONLY
);
3681 return ac_to_integer(&ctx
->ac
, res
);
3684 static void visit_image_store(struct ac_nir_context
*ctx
,
3685 nir_intrinsic_instr
*instr
)
3687 LLVMValueRef params
[8];
3688 char intrinsic_name
[64];
3689 const nir_variable
*var
= instr
->variables
[0]->var
;
3690 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3691 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3692 LLVMValueRef glc
= ctx
->ac
.i1false
;
3693 bool force_glc
= ctx
->ac
.chip_class
== SI
;
3695 glc
= ctx
->ac
.i1true
;
3697 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
3698 params
[0] = ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[2])); /* data */
3699 params
[1] = get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_BUFFER
, NULL
, true, true);
3700 params
[2] = LLVMBuildExtractElement(ctx
->ac
.builder
, get_src(ctx
, instr
->src
[0]),
3701 ctx
->ac
.i32_0
, ""); /* vindex */
3702 params
[3] = ctx
->ac
.i32_0
; /* voffset */
3703 params
[4] = glc
; /* glc */
3704 params
[5] = ctx
->ac
.i1false
; /* slc */
3705 ac_build_intrinsic(&ctx
->ac
, "llvm.amdgcn.buffer.store.format.v4f32", ctx
->ac
.voidt
,
3708 LLVMValueRef da
= glsl_is_array_image(type
) ? ctx
->ac
.i1true
: ctx
->ac
.i1false
;
3709 LLVMValueRef slc
= ctx
->ac
.i1false
;
3711 params
[0] = ac_to_float(&ctx
->ac
, get_src(ctx
, instr
->src
[2]));
3712 params
[1] = get_image_coords(ctx
, instr
); /* coords */
3713 params
[2] = get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_IMAGE
, NULL
, true, true);
3714 params
[3] = LLVMConstInt(ctx
->ac
.i32
, 15, false); /* dmask */
3715 params
[4] = (force_glc
|| var
->data
.image
._volatile
|| var
->data
.image
.coherent
) ?
3716 ctx
->ac
.i1true
: ctx
->ac
.i1false
;
3718 params
[6] = ctx
->ac
.i1false
;
3721 ac_get_image_intr_name("llvm.amdgcn.image.store",
3722 LLVMTypeOf(params
[0]), /* vdata */
3723 LLVMTypeOf(params
[1]), /* coords */
3724 LLVMTypeOf(params
[2]), /* rsrc */
3725 intrinsic_name
, sizeof(intrinsic_name
));
3727 ac_build_intrinsic(&ctx
->ac
, intrinsic_name
, ctx
->ac
.voidt
,
3733 static LLVMValueRef
visit_image_atomic(struct ac_nir_context
*ctx
,
3734 const nir_intrinsic_instr
*instr
)
3736 LLVMValueRef params
[7];
3737 int param_count
= 0;
3738 const nir_variable
*var
= instr
->variables
[0]->var
;
3740 const char *atomic_name
;
3741 char intrinsic_name
[41];
3742 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3743 MAYBE_UNUSED
int length
;
3745 bool is_unsigned
= glsl_get_sampler_result_type(type
) == GLSL_TYPE_UINT
;
3747 switch (instr
->intrinsic
) {
3748 case nir_intrinsic_image_atomic_add
:
3749 atomic_name
= "add";
3751 case nir_intrinsic_image_atomic_min
:
3752 atomic_name
= is_unsigned
? "umin" : "smin";
3754 case nir_intrinsic_image_atomic_max
:
3755 atomic_name
= is_unsigned
? "umax" : "smax";
3757 case nir_intrinsic_image_atomic_and
:
3758 atomic_name
= "and";
3760 case nir_intrinsic_image_atomic_or
:
3763 case nir_intrinsic_image_atomic_xor
:
3764 atomic_name
= "xor";
3766 case nir_intrinsic_image_atomic_exchange
:
3767 atomic_name
= "swap";
3769 case nir_intrinsic_image_atomic_comp_swap
:
3770 atomic_name
= "cmpswap";
3776 if (instr
->intrinsic
== nir_intrinsic_image_atomic_comp_swap
)
3777 params
[param_count
++] = get_src(ctx
, instr
->src
[3]);
3778 params
[param_count
++] = get_src(ctx
, instr
->src
[2]);
3780 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_BUF
) {
3781 params
[param_count
++] = get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_BUFFER
,
3783 params
[param_count
++] = LLVMBuildExtractElement(ctx
->ac
.builder
, get_src(ctx
, instr
->src
[0]),
3784 ctx
->ac
.i32_0
, ""); /* vindex */
3785 params
[param_count
++] = ctx
->ac
.i32_0
; /* voffset */
3786 params
[param_count
++] = ctx
->ac
.i1false
; /* slc */
3788 length
= snprintf(intrinsic_name
, sizeof(intrinsic_name
),
3789 "llvm.amdgcn.buffer.atomic.%s", atomic_name
);
3791 char coords_type
[8];
3793 LLVMValueRef coords
= params
[param_count
++] = get_image_coords(ctx
, instr
);
3794 params
[param_count
++] = get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_IMAGE
,
3796 params
[param_count
++] = ctx
->ac
.i1false
; /* r128 */
3797 params
[param_count
++] = glsl_is_array_image(type
) ? ctx
->ac
.i1true
: ctx
->ac
.i1false
; /* da */
3798 params
[param_count
++] = ctx
->ac
.i1false
; /* slc */
3800 build_int_type_name(LLVMTypeOf(coords
),
3801 coords_type
, sizeof(coords_type
));
3803 length
= snprintf(intrinsic_name
, sizeof(intrinsic_name
),
3804 "llvm.amdgcn.image.atomic.%s.%s", atomic_name
, coords_type
);
3807 assert(length
< sizeof(intrinsic_name
));
3808 return ac_build_intrinsic(&ctx
->ac
, intrinsic_name
, ctx
->ac
.i32
, params
, param_count
, 0);
3811 static LLVMValueRef
visit_image_samples(struct ac_nir_context
*ctx
,
3812 const nir_intrinsic_instr
*instr
)
3814 const nir_variable
*var
= instr
->variables
[0]->var
;
3815 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3817 struct ac_image_args args
= { 0 };
3818 args
.da
= glsl_is_array_image(type
);
3820 args
.resource
= get_sampler_desc(ctx
, instr
->variables
[0],
3821 AC_DESC_IMAGE
, NULL
, true, false);
3822 args
.opcode
= ac_image_get_resinfo
;
3823 args
.addr
= ctx
->ac
.i32_0
;
3825 return ac_build_image_opcode(&ctx
->ac
, &args
);
3828 static LLVMValueRef
visit_image_size(struct ac_nir_context
*ctx
,
3829 const nir_intrinsic_instr
*instr
)
3832 const nir_variable
*var
= instr
->variables
[0]->var
;
3833 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3835 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_BUF
)
3836 return get_buffer_size(ctx
,
3837 get_sampler_desc(ctx
, instr
->variables
[0],
3838 AC_DESC_BUFFER
, NULL
, true, false), true);
3840 struct ac_image_args args
= { 0 };
3842 args
.da
= glsl_is_array_image(type
);
3844 args
.resource
= get_sampler_desc(ctx
, instr
->variables
[0], AC_DESC_IMAGE
, NULL
, true, false);
3845 args
.opcode
= ac_image_get_resinfo
;
3846 args
.addr
= ctx
->ac
.i32_0
;
3848 res
= ac_build_image_opcode(&ctx
->ac
, &args
);
3850 LLVMValueRef two
= LLVMConstInt(ctx
->ac
.i32
, 2, false);
3852 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_CUBE
&&
3853 glsl_sampler_type_is_array(type
)) {
3854 LLVMValueRef six
= LLVMConstInt(ctx
->ac
.i32
, 6, false);
3855 LLVMValueRef z
= LLVMBuildExtractElement(ctx
->ac
.builder
, res
, two
, "");
3856 z
= LLVMBuildSDiv(ctx
->ac
.builder
, z
, six
, "");
3857 res
= LLVMBuildInsertElement(ctx
->ac
.builder
, res
, z
, two
, "");
3859 if (ctx
->ac
.chip_class
>= GFX9
&&
3860 glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_1D
&&
3861 glsl_sampler_type_is_array(type
)) {
3862 LLVMValueRef layers
= LLVMBuildExtractElement(ctx
->ac
.builder
, res
, two
, "");
3863 res
= LLVMBuildInsertElement(ctx
->ac
.builder
, res
, layers
,
3870 #define NOOP_WAITCNT 0xf7f
3871 #define LGKM_CNT 0x07f
3872 #define VM_CNT 0xf70
3874 static void emit_membar(struct ac_llvm_context
*ac
,
3875 const nir_intrinsic_instr
*instr
)
3877 unsigned waitcnt
= NOOP_WAITCNT
;
3879 switch (instr
->intrinsic
) {
3880 case nir_intrinsic_memory_barrier
:
3881 case nir_intrinsic_group_memory_barrier
:
3882 waitcnt
&= VM_CNT
& LGKM_CNT
;
3884 case nir_intrinsic_memory_barrier_atomic_counter
:
3885 case nir_intrinsic_memory_barrier_buffer
:
3886 case nir_intrinsic_memory_barrier_image
:
3889 case nir_intrinsic_memory_barrier_shared
:
3890 waitcnt
&= LGKM_CNT
;
3895 if (waitcnt
!= NOOP_WAITCNT
)
3896 ac_build_waitcnt(ac
, waitcnt
);
3899 static void emit_barrier(struct ac_llvm_context
*ac
, gl_shader_stage stage
)
3901 /* SI only (thanks to a hw bug workaround):
3902 * The real barrier instruction isn’t needed, because an entire patch
3903 * always fits into a single wave.
3905 if (ac
->chip_class
== SI
&& stage
== MESA_SHADER_TESS_CTRL
) {
3906 ac_build_waitcnt(ac
, LGKM_CNT
& VM_CNT
);
3909 ac_build_intrinsic(ac
, "llvm.amdgcn.s.barrier",
3910 ac
->voidt
, NULL
, 0, AC_FUNC_ATTR_CONVERGENT
);
3913 static void emit_discard(struct ac_nir_context
*ctx
,
3914 const nir_intrinsic_instr
*instr
)
3918 if (instr
->intrinsic
== nir_intrinsic_discard_if
) {
3919 cond
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
,
3920 get_src(ctx
, instr
->src
[0]),
3923 assert(instr
->intrinsic
== nir_intrinsic_discard
);
3924 cond
= LLVMConstInt(ctx
->ac
.i1
, false, 0);
3927 ac_build_kill_if_false(&ctx
->ac
, cond
);
3931 visit_load_helper_invocation(struct ac_nir_context
*ctx
)
3933 LLVMValueRef result
= ac_build_intrinsic(&ctx
->ac
,
3934 "llvm.amdgcn.ps.live",
3935 ctx
->ac
.i1
, NULL
, 0,
3936 AC_FUNC_ATTR_READNONE
);
3937 result
= LLVMBuildNot(ctx
->ac
.builder
, result
, "");
3938 return LLVMBuildSExt(ctx
->ac
.builder
, result
, ctx
->ac
.i32
, "");
3942 visit_load_local_invocation_index(struct ac_nir_context
*ctx
)
3944 LLVMValueRef result
;
3945 LLVMValueRef thread_id
= ac_get_thread_id(&ctx
->ac
);
3946 result
= LLVMBuildAnd(ctx
->ac
.builder
, ctx
->abi
->tg_size
,
3947 LLVMConstInt(ctx
->ac
.i32
, 0xfc0, false), "");
3949 return LLVMBuildAdd(ctx
->ac
.builder
, result
, thread_id
, "");
3953 visit_load_shared(struct ac_nir_context
*ctx
,
3954 const nir_intrinsic_instr
*instr
)
3956 LLVMValueRef values
[4], derived_ptr
, index
, ret
;
3958 LLVMValueRef ptr
= get_memory_ptr(ctx
, instr
->src
[0]);
3960 for (int chan
= 0; chan
< instr
->num_components
; chan
++) {
3961 index
= LLVMConstInt(ctx
->ac
.i32
, chan
, 0);
3962 derived_ptr
= LLVMBuildGEP(ctx
->ac
.builder
, ptr
, &index
, 1, "");
3963 values
[chan
] = LLVMBuildLoad(ctx
->ac
.builder
, derived_ptr
, "");
3966 ret
= ac_build_gather_values(&ctx
->ac
, values
, instr
->num_components
);
3967 return LLVMBuildBitCast(ctx
->ac
.builder
, ret
, get_def_type(ctx
, &instr
->dest
.ssa
), "");
3971 visit_store_shared(struct ac_nir_context
*ctx
,
3972 const nir_intrinsic_instr
*instr
)
3974 LLVMValueRef derived_ptr
, data
,index
;
3975 LLVMBuilderRef builder
= ctx
->ac
.builder
;
3977 LLVMValueRef ptr
= get_memory_ptr(ctx
, instr
->src
[1]);
3978 LLVMValueRef src
= get_src(ctx
, instr
->src
[0]);
3980 int writemask
= nir_intrinsic_write_mask(instr
);
3981 for (int chan
= 0; chan
< 4; chan
++) {
3982 if (!(writemask
& (1 << chan
))) {
3985 data
= ac_llvm_extract_elem(&ctx
->ac
, src
, chan
);
3986 index
= LLVMConstInt(ctx
->ac
.i32
, chan
, 0);
3987 derived_ptr
= LLVMBuildGEP(builder
, ptr
, &index
, 1, "");
3988 LLVMBuildStore(builder
, data
, derived_ptr
);
3992 static LLVMValueRef
visit_var_atomic(struct ac_nir_context
*ctx
,
3993 const nir_intrinsic_instr
*instr
,
3994 LLVMValueRef ptr
, int src_idx
)
3996 LLVMValueRef result
;
3997 LLVMValueRef src
= get_src(ctx
, instr
->src
[src_idx
]);
3999 if (instr
->intrinsic
== nir_intrinsic_var_atomic_comp_swap
||
4000 instr
->intrinsic
== nir_intrinsic_shared_atomic_comp_swap
) {
4001 LLVMValueRef src1
= get_src(ctx
, instr
->src
[1]);
4002 result
= LLVMBuildAtomicCmpXchg(ctx
->ac
.builder
,
4004 LLVMAtomicOrderingSequentiallyConsistent
,
4005 LLVMAtomicOrderingSequentiallyConsistent
,
4008 LLVMAtomicRMWBinOp op
;
4009 switch (instr
->intrinsic
) {
4010 case nir_intrinsic_var_atomic_add
:
4011 case nir_intrinsic_shared_atomic_add
:
4012 op
= LLVMAtomicRMWBinOpAdd
;
4014 case nir_intrinsic_var_atomic_umin
:
4015 case nir_intrinsic_shared_atomic_umin
:
4016 op
= LLVMAtomicRMWBinOpUMin
;
4018 case nir_intrinsic_var_atomic_umax
:
4019 case nir_intrinsic_shared_atomic_umax
:
4020 op
= LLVMAtomicRMWBinOpUMax
;
4022 case nir_intrinsic_var_atomic_imin
:
4023 case nir_intrinsic_shared_atomic_imin
:
4024 op
= LLVMAtomicRMWBinOpMin
;
4026 case nir_intrinsic_var_atomic_imax
:
4027 case nir_intrinsic_shared_atomic_imax
:
4028 op
= LLVMAtomicRMWBinOpMax
;
4030 case nir_intrinsic_var_atomic_and
:
4031 case nir_intrinsic_shared_atomic_and
:
4032 op
= LLVMAtomicRMWBinOpAnd
;
4034 case nir_intrinsic_var_atomic_or
:
4035 case nir_intrinsic_shared_atomic_or
:
4036 op
= LLVMAtomicRMWBinOpOr
;
4038 case nir_intrinsic_var_atomic_xor
:
4039 case nir_intrinsic_shared_atomic_xor
:
4040 op
= LLVMAtomicRMWBinOpXor
;
4042 case nir_intrinsic_var_atomic_exchange
:
4043 case nir_intrinsic_shared_atomic_exchange
:
4044 op
= LLVMAtomicRMWBinOpXchg
;
4050 result
= LLVMBuildAtomicRMW(ctx
->ac
.builder
, op
, ptr
, ac_to_integer(&ctx
->ac
, src
),
4051 LLVMAtomicOrderingSequentiallyConsistent
,
4057 static LLVMValueRef
lookup_interp_param(struct ac_shader_abi
*abi
,
4058 enum glsl_interp_mode interp
, unsigned location
)
4060 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4063 case INTERP_MODE_FLAT
:
4066 case INTERP_MODE_SMOOTH
:
4067 case INTERP_MODE_NONE
:
4068 if (location
== INTERP_CENTER
)
4069 return ctx
->persp_center
;
4070 else if (location
== INTERP_CENTROID
)
4071 return ctx
->persp_centroid
;
4072 else if (location
== INTERP_SAMPLE
)
4073 return ctx
->persp_sample
;
4075 case INTERP_MODE_NOPERSPECTIVE
:
4076 if (location
== INTERP_CENTER
)
4077 return ctx
->linear_center
;
4078 else if (location
== INTERP_CENTROID
)
4079 return ctx
->linear_centroid
;
4080 else if (location
== INTERP_SAMPLE
)
4081 return ctx
->linear_sample
;
4087 static LLVMValueRef
load_sample_position(struct ac_shader_abi
*abi
,
4088 LLVMValueRef sample_id
)
4090 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4092 LLVMValueRef result
;
4093 LLVMValueRef ptr
= ac_build_gep0(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_PS_SAMPLE_POSITIONS
, false));
4095 ptr
= LLVMBuildBitCast(ctx
->ac
.builder
, ptr
,
4096 ac_array_in_const_addr_space(ctx
->ac
.v2f32
), "");
4098 sample_id
= LLVMBuildAdd(ctx
->ac
.builder
, sample_id
, ctx
->sample_pos_offset
, "");
4099 result
= ac_build_load_invariant(&ctx
->ac
, ptr
, sample_id
);
4104 static LLVMValueRef
load_sample_pos(struct ac_nir_context
*ctx
)
4106 LLVMValueRef values
[2];
4108 values
[0] = emit_ffract(&ctx
->ac
, ctx
->abi
->frag_pos
[0], 32);
4109 values
[1] = emit_ffract(&ctx
->ac
, ctx
->abi
->frag_pos
[1], 32);
4110 return ac_build_gather_values(&ctx
->ac
, values
, 2);
4113 static LLVMValueRef
load_sample_mask_in(struct ac_shader_abi
*abi
)
4115 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4116 uint8_t log2_ps_iter_samples
= ctx
->shader_info
->info
.ps
.force_persample
?
4117 ctx
->options
->key
.fs
.log2_num_samples
:
4118 ctx
->options
->key
.fs
.log2_ps_iter_samples
;
4120 /* The bit pattern matches that used by fixed function fragment
4122 static const uint16_t ps_iter_masks
[] = {
4123 0xffff, /* not used */
4129 assert(log2_ps_iter_samples
< ARRAY_SIZE(ps_iter_masks
));
4131 uint32_t ps_iter_mask
= ps_iter_masks
[log2_ps_iter_samples
];
4133 LLVMValueRef result
, sample_id
;
4134 sample_id
= unpack_param(&ctx
->ac
, abi
->ancillary
, 8, 4);
4135 sample_id
= LLVMBuildShl(ctx
->ac
.builder
, LLVMConstInt(ctx
->ac
.i32
, ps_iter_mask
, false), sample_id
, "");
4136 result
= LLVMBuildAnd(ctx
->ac
.builder
, sample_id
, abi
->sample_coverage
, "");
4140 static LLVMValueRef
visit_interp(struct ac_nir_context
*ctx
,
4141 const nir_intrinsic_instr
*instr
)
4143 LLVMValueRef result
[4];
4144 LLVMValueRef interp_param
, attr_number
;
4147 LLVMValueRef src_c0
= NULL
;
4148 LLVMValueRef src_c1
= NULL
;
4149 LLVMValueRef src0
= NULL
;
4150 int input_index
= instr
->variables
[0]->var
->data
.location
- VARYING_SLOT_VAR0
;
4151 switch (instr
->intrinsic
) {
4152 case nir_intrinsic_interp_var_at_centroid
:
4153 location
= INTERP_CENTROID
;
4155 case nir_intrinsic_interp_var_at_sample
:
4156 case nir_intrinsic_interp_var_at_offset
:
4157 location
= INTERP_CENTER
;
4158 src0
= get_src(ctx
, instr
->src
[0]);
4164 if (instr
->intrinsic
== nir_intrinsic_interp_var_at_offset
) {
4165 src_c0
= ac_to_float(&ctx
->ac
, LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, ctx
->ac
.i32_0
, ""));
4166 src_c1
= ac_to_float(&ctx
->ac
, LLVMBuildExtractElement(ctx
->ac
.builder
, src0
, ctx
->ac
.i32_1
, ""));
4167 } else if (instr
->intrinsic
== nir_intrinsic_interp_var_at_sample
) {
4168 LLVMValueRef sample_position
;
4169 LLVMValueRef halfval
= LLVMConstReal(ctx
->ac
.f32
, 0.5f
);
4171 /* fetch sample ID */
4172 sample_position
= ctx
->abi
->load_sample_position(ctx
->abi
, src0
);
4174 src_c0
= LLVMBuildExtractElement(ctx
->ac
.builder
, sample_position
, ctx
->ac
.i32_0
, "");
4175 src_c0
= LLVMBuildFSub(ctx
->ac
.builder
, src_c0
, halfval
, "");
4176 src_c1
= LLVMBuildExtractElement(ctx
->ac
.builder
, sample_position
, ctx
->ac
.i32_1
, "");
4177 src_c1
= LLVMBuildFSub(ctx
->ac
.builder
, src_c1
, halfval
, "");
4179 interp_param
= ctx
->abi
->lookup_interp_param(ctx
->abi
, instr
->variables
[0]->var
->data
.interpolation
, location
);
4180 attr_number
= LLVMConstInt(ctx
->ac
.i32
, input_index
, false);
4182 if (location
== INTERP_CENTER
) {
4183 LLVMValueRef ij_out
[2];
4184 LLVMValueRef ddxy_out
= emit_ddxy_interp(ctx
, interp_param
);
4187 * take the I then J parameters, and the DDX/Y for it, and
4188 * calculate the IJ inputs for the interpolator.
4189 * temp1 = ddx * offset/sample.x + I;
4190 * interp_param.I = ddy * offset/sample.y + temp1;
4191 * temp1 = ddx * offset/sample.x + J;
4192 * interp_param.J = ddy * offset/sample.y + temp1;
4194 for (unsigned i
= 0; i
< 2; i
++) {
4195 LLVMValueRef ix_ll
= LLVMConstInt(ctx
->ac
.i32
, i
, false);
4196 LLVMValueRef iy_ll
= LLVMConstInt(ctx
->ac
.i32
, i
+ 2, false);
4197 LLVMValueRef ddx_el
= LLVMBuildExtractElement(ctx
->ac
.builder
,
4198 ddxy_out
, ix_ll
, "");
4199 LLVMValueRef ddy_el
= LLVMBuildExtractElement(ctx
->ac
.builder
,
4200 ddxy_out
, iy_ll
, "");
4201 LLVMValueRef interp_el
= LLVMBuildExtractElement(ctx
->ac
.builder
,
4202 interp_param
, ix_ll
, "");
4203 LLVMValueRef temp1
, temp2
;
4205 interp_el
= LLVMBuildBitCast(ctx
->ac
.builder
, interp_el
,
4208 temp1
= LLVMBuildFMul(ctx
->ac
.builder
, ddx_el
, src_c0
, "");
4209 temp1
= LLVMBuildFAdd(ctx
->ac
.builder
, temp1
, interp_el
, "");
4211 temp2
= LLVMBuildFMul(ctx
->ac
.builder
, ddy_el
, src_c1
, "");
4212 temp2
= LLVMBuildFAdd(ctx
->ac
.builder
, temp2
, temp1
, "");
4214 ij_out
[i
] = LLVMBuildBitCast(ctx
->ac
.builder
,
4215 temp2
, ctx
->ac
.i32
, "");
4217 interp_param
= ac_build_gather_values(&ctx
->ac
, ij_out
, 2);
4221 for (chan
= 0; chan
< 4; chan
++) {
4222 LLVMValueRef llvm_chan
= LLVMConstInt(ctx
->ac
.i32
, chan
, false);
4225 interp_param
= LLVMBuildBitCast(ctx
->ac
.builder
,
4226 interp_param
, ctx
->ac
.v2f32
, "");
4227 LLVMValueRef i
= LLVMBuildExtractElement(
4228 ctx
->ac
.builder
, interp_param
, ctx
->ac
.i32_0
, "");
4229 LLVMValueRef j
= LLVMBuildExtractElement(
4230 ctx
->ac
.builder
, interp_param
, ctx
->ac
.i32_1
, "");
4232 result
[chan
] = ac_build_fs_interp(&ctx
->ac
,
4233 llvm_chan
, attr_number
,
4234 ctx
->abi
->prim_mask
, i
, j
);
4236 result
[chan
] = ac_build_fs_interp_mov(&ctx
->ac
,
4237 LLVMConstInt(ctx
->ac
.i32
, 2, false),
4238 llvm_chan
, attr_number
,
4239 ctx
->abi
->prim_mask
);
4242 return ac_build_varying_gather_values(&ctx
->ac
, result
, instr
->num_components
,
4243 instr
->variables
[0]->var
->data
.location_frac
);
4247 visit_emit_vertex(struct ac_shader_abi
*abi
, unsigned stream
, LLVMValueRef
*addrs
)
4249 LLVMValueRef gs_next_vertex
;
4250 LLVMValueRef can_emit
;
4252 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4254 assert(stream
== 0);
4256 /* Write vertex attribute values to GSVS ring */
4257 gs_next_vertex
= LLVMBuildLoad(ctx
->ac
.builder
,
4258 ctx
->gs_next_vertex
,
4261 /* If this thread has already emitted the declared maximum number of
4262 * vertices, kill it: excessive vertex emissions are not supposed to
4263 * have any effect, and GS threads have no externally observable
4264 * effects other than emitting vertices.
4266 can_emit
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntULT
, gs_next_vertex
,
4267 LLVMConstInt(ctx
->ac
.i32
, ctx
->gs_max_out_vertices
, false), "");
4268 ac_build_kill_if_false(&ctx
->ac
, can_emit
);
4270 /* loop num outputs */
4272 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
4273 LLVMValueRef
*out_ptr
= &addrs
[i
* 4];
4278 if (!(ctx
->output_mask
& (1ull << i
)))
4281 if (i
== VARYING_SLOT_CLIP_DIST0
) {
4282 /* pack clip and cull into a single set of slots */
4283 length
= ctx
->num_output_clips
+ ctx
->num_output_culls
;
4287 for (unsigned j
= 0; j
< length
; j
++) {
4288 LLVMValueRef out_val
= LLVMBuildLoad(ctx
->ac
.builder
,
4290 LLVMValueRef voffset
= LLVMConstInt(ctx
->ac
.i32
, (slot
* 4 + j
) * ctx
->gs_max_out_vertices
, false);
4291 voffset
= LLVMBuildAdd(ctx
->ac
.builder
, voffset
, gs_next_vertex
, "");
4292 voffset
= LLVMBuildMul(ctx
->ac
.builder
, voffset
, LLVMConstInt(ctx
->ac
.i32
, 4, false), "");
4294 out_val
= LLVMBuildBitCast(ctx
->ac
.builder
, out_val
, ctx
->ac
.i32
, "");
4296 ac_build_buffer_store_dword(&ctx
->ac
, ctx
->gsvs_ring
,
4298 voffset
, ctx
->gs2vs_offset
, 0,
4304 gs_next_vertex
= LLVMBuildAdd(ctx
->ac
.builder
, gs_next_vertex
,
4306 LLVMBuildStore(ctx
->ac
.builder
, gs_next_vertex
, ctx
->gs_next_vertex
);
4308 ac_build_sendmsg(&ctx
->ac
, AC_SENDMSG_GS_OP_EMIT
| AC_SENDMSG_GS
| (0 << 8), ctx
->gs_wave_id
);
4312 visit_end_primitive(struct ac_shader_abi
*abi
, unsigned stream
)
4314 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4315 ac_build_sendmsg(&ctx
->ac
, AC_SENDMSG_GS_OP_CUT
| AC_SENDMSG_GS
| (stream
<< 8), ctx
->gs_wave_id
);
4319 load_tess_coord(struct ac_shader_abi
*abi
)
4321 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4323 LLVMValueRef coord
[4] = {
4330 if (ctx
->tes_primitive_mode
== GL_TRIANGLES
)
4331 coord
[2] = LLVMBuildFSub(ctx
->ac
.builder
, ctx
->ac
.f32_1
,
4332 LLVMBuildFAdd(ctx
->ac
.builder
, coord
[0], coord
[1], ""), "");
4334 return ac_build_gather_values(&ctx
->ac
, coord
, 3);
4338 load_patch_vertices_in(struct ac_shader_abi
*abi
)
4340 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4341 return LLVMConstInt(ctx
->ac
.i32
, ctx
->options
->key
.tcs
.input_vertices
, false);
4344 static void visit_intrinsic(struct ac_nir_context
*ctx
,
4345 nir_intrinsic_instr
*instr
)
4347 LLVMValueRef result
= NULL
;
4349 switch (instr
->intrinsic
) {
4350 case nir_intrinsic_ballot
:
4351 result
= ac_build_ballot(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
4353 case nir_intrinsic_read_invocation
:
4354 case nir_intrinsic_read_first_invocation
: {
4355 LLVMValueRef args
[2];
4358 args
[0] = get_src(ctx
, instr
->src
[0]);
4361 const char *intr_name
;
4362 if (instr
->intrinsic
== nir_intrinsic_read_invocation
) {
4364 intr_name
= "llvm.amdgcn.readlane";
4367 args
[1] = get_src(ctx
, instr
->src
[1]);
4370 intr_name
= "llvm.amdgcn.readfirstlane";
4373 /* We currently have no other way to prevent LLVM from lifting the icmp
4374 * calls to a dominating basic block.
4376 ac_build_optimization_barrier(&ctx
->ac
, &args
[0]);
4378 result
= ac_build_intrinsic(&ctx
->ac
, intr_name
,
4379 ctx
->ac
.i32
, args
, num_args
,
4380 AC_FUNC_ATTR_READNONE
|
4381 AC_FUNC_ATTR_CONVERGENT
);
4384 case nir_intrinsic_load_subgroup_invocation
:
4385 result
= ac_get_thread_id(&ctx
->ac
);
4387 case nir_intrinsic_load_work_group_id
: {
4388 LLVMValueRef values
[3];
4390 for (int i
= 0; i
< 3; i
++) {
4391 values
[i
] = ctx
->abi
->workgroup_ids
[i
] ?
4392 ctx
->abi
->workgroup_ids
[i
] : ctx
->ac
.i32_0
;
4395 result
= ac_build_gather_values(&ctx
->ac
, values
, 3);
4398 case nir_intrinsic_load_base_vertex
: {
4399 result
= ctx
->abi
->load_base_vertex(ctx
->abi
);
4402 case nir_intrinsic_load_local_group_size
:
4403 result
= ctx
->abi
->load_local_group_size(ctx
->abi
);
4405 case nir_intrinsic_load_vertex_id
:
4406 result
= LLVMBuildAdd(ctx
->ac
.builder
, ctx
->abi
->vertex_id
,
4407 ctx
->abi
->base_vertex
, "");
4409 case nir_intrinsic_load_vertex_id_zero_base
: {
4410 result
= ctx
->abi
->vertex_id
;
4413 case nir_intrinsic_load_local_invocation_id
: {
4414 result
= ctx
->abi
->local_invocation_ids
;
4417 case nir_intrinsic_load_base_instance
:
4418 result
= ctx
->abi
->start_instance
;
4420 case nir_intrinsic_load_draw_id
:
4421 result
= ctx
->abi
->draw_id
;
4423 case nir_intrinsic_load_view_index
:
4424 result
= ctx
->abi
->view_index
;
4426 case nir_intrinsic_load_invocation_id
:
4427 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
)
4428 result
= unpack_param(&ctx
->ac
, ctx
->abi
->tcs_rel_ids
, 8, 5);
4430 result
= ctx
->abi
->gs_invocation_id
;
4432 case nir_intrinsic_load_primitive_id
:
4433 if (ctx
->stage
== MESA_SHADER_GEOMETRY
) {
4434 result
= ctx
->abi
->gs_prim_id
;
4435 } else if (ctx
->stage
== MESA_SHADER_TESS_CTRL
) {
4436 result
= ctx
->abi
->tcs_patch_id
;
4437 } else if (ctx
->stage
== MESA_SHADER_TESS_EVAL
) {
4438 result
= ctx
->abi
->tes_patch_id
;
4440 fprintf(stderr
, "Unknown primitive id intrinsic: %d", ctx
->stage
);
4442 case nir_intrinsic_load_sample_id
:
4443 result
= unpack_param(&ctx
->ac
, ctx
->abi
->ancillary
, 8, 4);
4445 case nir_intrinsic_load_sample_pos
:
4446 result
= load_sample_pos(ctx
);
4448 case nir_intrinsic_load_sample_mask_in
:
4449 result
= ctx
->abi
->load_sample_mask_in(ctx
->abi
);
4451 case nir_intrinsic_load_frag_coord
: {
4452 LLVMValueRef values
[4] = {
4453 ctx
->abi
->frag_pos
[0],
4454 ctx
->abi
->frag_pos
[1],
4455 ctx
->abi
->frag_pos
[2],
4456 ac_build_fdiv(&ctx
->ac
, ctx
->ac
.f32_1
, ctx
->abi
->frag_pos
[3])
4458 result
= ac_build_gather_values(&ctx
->ac
, values
, 4);
4461 case nir_intrinsic_load_front_face
:
4462 result
= ctx
->abi
->front_face
;
4464 case nir_intrinsic_load_helper_invocation
:
4465 result
= visit_load_helper_invocation(ctx
);
4467 case nir_intrinsic_load_instance_id
:
4468 result
= ctx
->abi
->instance_id
;
4470 case nir_intrinsic_load_num_work_groups
:
4471 result
= ctx
->abi
->num_work_groups
;
4473 case nir_intrinsic_load_local_invocation_index
:
4474 result
= visit_load_local_invocation_index(ctx
);
4476 case nir_intrinsic_load_push_constant
:
4477 result
= visit_load_push_constant(ctx
, instr
);
4479 case nir_intrinsic_vulkan_resource_index
: {
4480 LLVMValueRef index
= get_src(ctx
, instr
->src
[0]);
4481 unsigned desc_set
= nir_intrinsic_desc_set(instr
);
4482 unsigned binding
= nir_intrinsic_binding(instr
);
4484 result
= ctx
->abi
->load_resource(ctx
->abi
, index
, desc_set
,
4488 case nir_intrinsic_vulkan_resource_reindex
:
4489 result
= visit_vulkan_resource_reindex(ctx
, instr
);
4491 case nir_intrinsic_store_ssbo
:
4492 visit_store_ssbo(ctx
, instr
);
4494 case nir_intrinsic_load_ssbo
:
4495 result
= visit_load_buffer(ctx
, instr
);
4497 case nir_intrinsic_ssbo_atomic_add
:
4498 case nir_intrinsic_ssbo_atomic_imin
:
4499 case nir_intrinsic_ssbo_atomic_umin
:
4500 case nir_intrinsic_ssbo_atomic_imax
:
4501 case nir_intrinsic_ssbo_atomic_umax
:
4502 case nir_intrinsic_ssbo_atomic_and
:
4503 case nir_intrinsic_ssbo_atomic_or
:
4504 case nir_intrinsic_ssbo_atomic_xor
:
4505 case nir_intrinsic_ssbo_atomic_exchange
:
4506 case nir_intrinsic_ssbo_atomic_comp_swap
:
4507 result
= visit_atomic_ssbo(ctx
, instr
);
4509 case nir_intrinsic_load_ubo
:
4510 result
= visit_load_ubo_buffer(ctx
, instr
);
4512 case nir_intrinsic_get_buffer_size
:
4513 result
= visit_get_buffer_size(ctx
, instr
);
4515 case nir_intrinsic_load_var
:
4516 result
= visit_load_var(ctx
, instr
);
4518 case nir_intrinsic_store_var
:
4519 visit_store_var(ctx
, instr
);
4521 case nir_intrinsic_load_shared
:
4522 result
= visit_load_shared(ctx
, instr
);
4524 case nir_intrinsic_store_shared
:
4525 visit_store_shared(ctx
, instr
);
4527 case nir_intrinsic_image_samples
:
4528 result
= visit_image_samples(ctx
, instr
);
4530 case nir_intrinsic_image_load
:
4531 result
= visit_image_load(ctx
, instr
);
4533 case nir_intrinsic_image_store
:
4534 visit_image_store(ctx
, instr
);
4536 case nir_intrinsic_image_atomic_add
:
4537 case nir_intrinsic_image_atomic_min
:
4538 case nir_intrinsic_image_atomic_max
:
4539 case nir_intrinsic_image_atomic_and
:
4540 case nir_intrinsic_image_atomic_or
:
4541 case nir_intrinsic_image_atomic_xor
:
4542 case nir_intrinsic_image_atomic_exchange
:
4543 case nir_intrinsic_image_atomic_comp_swap
:
4544 result
= visit_image_atomic(ctx
, instr
);
4546 case nir_intrinsic_image_size
:
4547 result
= visit_image_size(ctx
, instr
);
4549 case nir_intrinsic_shader_clock
:
4550 result
= ac_build_shader_clock(&ctx
->ac
);
4552 case nir_intrinsic_discard
:
4553 case nir_intrinsic_discard_if
:
4554 emit_discard(ctx
, instr
);
4556 case nir_intrinsic_memory_barrier
:
4557 case nir_intrinsic_group_memory_barrier
:
4558 case nir_intrinsic_memory_barrier_atomic_counter
:
4559 case nir_intrinsic_memory_barrier_buffer
:
4560 case nir_intrinsic_memory_barrier_image
:
4561 case nir_intrinsic_memory_barrier_shared
:
4562 emit_membar(&ctx
->ac
, instr
);
4564 case nir_intrinsic_barrier
:
4565 emit_barrier(&ctx
->ac
, ctx
->stage
);
4567 case nir_intrinsic_shared_atomic_add
:
4568 case nir_intrinsic_shared_atomic_imin
:
4569 case nir_intrinsic_shared_atomic_umin
:
4570 case nir_intrinsic_shared_atomic_imax
:
4571 case nir_intrinsic_shared_atomic_umax
:
4572 case nir_intrinsic_shared_atomic_and
:
4573 case nir_intrinsic_shared_atomic_or
:
4574 case nir_intrinsic_shared_atomic_xor
:
4575 case nir_intrinsic_shared_atomic_exchange
:
4576 case nir_intrinsic_shared_atomic_comp_swap
: {
4577 LLVMValueRef ptr
= get_memory_ptr(ctx
, instr
->src
[0]);
4578 result
= visit_var_atomic(ctx
, instr
, ptr
, 1);
4581 case nir_intrinsic_var_atomic_add
:
4582 case nir_intrinsic_var_atomic_imin
:
4583 case nir_intrinsic_var_atomic_umin
:
4584 case nir_intrinsic_var_atomic_imax
:
4585 case nir_intrinsic_var_atomic_umax
:
4586 case nir_intrinsic_var_atomic_and
:
4587 case nir_intrinsic_var_atomic_or
:
4588 case nir_intrinsic_var_atomic_xor
:
4589 case nir_intrinsic_var_atomic_exchange
:
4590 case nir_intrinsic_var_atomic_comp_swap
: {
4591 LLVMValueRef ptr
= build_gep_for_deref(ctx
, instr
->variables
[0]);
4592 result
= visit_var_atomic(ctx
, instr
, ptr
, 0);
4595 case nir_intrinsic_interp_var_at_centroid
:
4596 case nir_intrinsic_interp_var_at_sample
:
4597 case nir_intrinsic_interp_var_at_offset
:
4598 result
= visit_interp(ctx
, instr
);
4600 case nir_intrinsic_emit_vertex
:
4601 ctx
->abi
->emit_vertex(ctx
->abi
, nir_intrinsic_stream_id(instr
), ctx
->abi
->outputs
);
4603 case nir_intrinsic_end_primitive
:
4604 ctx
->abi
->emit_primitive(ctx
->abi
, nir_intrinsic_stream_id(instr
));
4606 case nir_intrinsic_load_tess_coord
:
4607 result
= ctx
->abi
->load_tess_coord(ctx
->abi
);
4609 case nir_intrinsic_load_tess_level_outer
:
4610 result
= ctx
->abi
->load_tess_level(ctx
->abi
, VARYING_SLOT_TESS_LEVEL_OUTER
);
4612 case nir_intrinsic_load_tess_level_inner
:
4613 result
= ctx
->abi
->load_tess_level(ctx
->abi
, VARYING_SLOT_TESS_LEVEL_INNER
);
4615 case nir_intrinsic_load_patch_vertices_in
:
4616 result
= ctx
->abi
->load_patch_vertices_in(ctx
->abi
);
4618 case nir_intrinsic_vote_all
: {
4619 LLVMValueRef tmp
= ac_build_vote_all(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
4620 result
= LLVMBuildSExt(ctx
->ac
.builder
, tmp
, ctx
->ac
.i32
, "");
4623 case nir_intrinsic_vote_any
: {
4624 LLVMValueRef tmp
= ac_build_vote_any(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
4625 result
= LLVMBuildSExt(ctx
->ac
.builder
, tmp
, ctx
->ac
.i32
, "");
4628 case nir_intrinsic_vote_eq
: {
4629 LLVMValueRef tmp
= ac_build_vote_eq(&ctx
->ac
, get_src(ctx
, instr
->src
[0]));
4630 result
= LLVMBuildSExt(ctx
->ac
.builder
, tmp
, ctx
->ac
.i32
, "");
4634 fprintf(stderr
, "Unknown intrinsic: ");
4635 nir_print_instr(&instr
->instr
, stderr
);
4636 fprintf(stderr
, "\n");
4640 _mesa_hash_table_insert(ctx
->defs
, &instr
->dest
.ssa
, result
);
4644 static LLVMValueRef
radv_load_base_vertex(struct ac_shader_abi
*abi
)
4646 return abi
->base_vertex
;
4649 static LLVMValueRef
radv_load_ssbo(struct ac_shader_abi
*abi
,
4650 LLVMValueRef buffer_ptr
, bool write
)
4652 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4653 LLVMValueRef result
;
4655 LLVMSetMetadata(buffer_ptr
, ctx
->ac
.uniform_md_kind
, ctx
->ac
.empty_md
);
4657 result
= LLVMBuildLoad(ctx
->ac
.builder
, buffer_ptr
, "");
4658 LLVMSetMetadata(result
, ctx
->ac
.invariant_load_md_kind
, ctx
->ac
.empty_md
);
4663 static LLVMValueRef
radv_load_ubo(struct ac_shader_abi
*abi
, LLVMValueRef buffer_ptr
)
4665 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4666 LLVMValueRef result
;
4668 LLVMSetMetadata(buffer_ptr
, ctx
->ac
.uniform_md_kind
, ctx
->ac
.empty_md
);
4670 result
= LLVMBuildLoad(ctx
->ac
.builder
, buffer_ptr
, "");
4671 LLVMSetMetadata(result
, ctx
->ac
.invariant_load_md_kind
, ctx
->ac
.empty_md
);
4676 static LLVMValueRef
radv_get_sampler_desc(struct ac_shader_abi
*abi
,
4677 unsigned descriptor_set
,
4678 unsigned base_index
,
4679 unsigned constant_index
,
4681 enum ac_descriptor_type desc_type
,
4682 bool image
, bool write
)
4684 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
4685 LLVMValueRef list
= ctx
->descriptor_sets
[descriptor_set
];
4686 struct radv_descriptor_set_layout
*layout
= ctx
->options
->layout
->set
[descriptor_set
].layout
;
4687 struct radv_descriptor_set_binding_layout
*binding
= layout
->binding
+ base_index
;
4688 unsigned offset
= binding
->offset
;
4689 unsigned stride
= binding
->size
;
4691 LLVMBuilderRef builder
= ctx
->ac
.builder
;
4694 assert(base_index
< layout
->binding_count
);
4696 switch (desc_type
) {
4698 type
= ctx
->ac
.v8i32
;
4702 type
= ctx
->ac
.v8i32
;
4706 case AC_DESC_SAMPLER
:
4707 type
= ctx
->ac
.v4i32
;
4708 if (binding
->type
== VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
)
4713 case AC_DESC_BUFFER
:
4714 type
= ctx
->ac
.v4i32
;
4718 unreachable("invalid desc_type\n");
4721 offset
+= constant_index
* stride
;
4723 if (desc_type
== AC_DESC_SAMPLER
&& binding
->immutable_samplers_offset
&&
4724 (!index
|| binding
->immutable_samplers_equal
)) {
4725 if (binding
->immutable_samplers_equal
)
4728 const uint32_t *samplers
= radv_immutable_samplers(layout
, binding
);
4730 LLVMValueRef constants
[] = {
4731 LLVMConstInt(ctx
->ac
.i32
, samplers
[constant_index
* 4 + 0], 0),
4732 LLVMConstInt(ctx
->ac
.i32
, samplers
[constant_index
* 4 + 1], 0),
4733 LLVMConstInt(ctx
->ac
.i32
, samplers
[constant_index
* 4 + 2], 0),
4734 LLVMConstInt(ctx
->ac
.i32
, samplers
[constant_index
* 4 + 3], 0),
4736 return ac_build_gather_values(&ctx
->ac
, constants
, 4);
4739 assert(stride
% type_size
== 0);
4742 index
= ctx
->ac
.i32_0
;
4744 index
= LLVMBuildMul(builder
, index
, LLVMConstInt(ctx
->ac
.i32
, stride
/ type_size
, 0), "");
4746 list
= ac_build_gep0(&ctx
->ac
, list
, LLVMConstInt(ctx
->ac
.i32
, offset
, 0));
4747 list
= LLVMBuildPointerCast(builder
, list
, ac_array_in_const_addr_space(type
), "");
4749 return ac_build_load_to_sgpr(&ctx
->ac
, list
, index
);
4752 static LLVMValueRef
get_sampler_desc(struct ac_nir_context
*ctx
,
4753 const nir_deref_var
*deref
,
4754 enum ac_descriptor_type desc_type
,
4755 const nir_tex_instr
*tex_instr
,
4756 bool image
, bool write
)
4758 LLVMValueRef index
= NULL
;
4759 unsigned constant_index
= 0;
4760 unsigned descriptor_set
;
4761 unsigned base_index
;
4764 assert(tex_instr
&& !image
);
4766 base_index
= tex_instr
->sampler_index
;
4768 const nir_deref
*tail
= &deref
->deref
;
4769 while (tail
->child
) {
4770 const nir_deref_array
*child
= nir_deref_as_array(tail
->child
);
4771 unsigned array_size
= glsl_get_aoa_size(tail
->child
->type
);
4776 assert(child
->deref_array_type
!= nir_deref_array_type_wildcard
);
4778 if (child
->deref_array_type
== nir_deref_array_type_indirect
) {
4779 LLVMValueRef indirect
= get_src(ctx
, child
->indirect
);
4781 indirect
= LLVMBuildMul(ctx
->ac
.builder
, indirect
,
4782 LLVMConstInt(ctx
->ac
.i32
, array_size
, false), "");
4787 index
= LLVMBuildAdd(ctx
->ac
.builder
, index
, indirect
, "");
4790 constant_index
+= child
->base_offset
* array_size
;
4792 tail
= &child
->deref
;
4794 descriptor_set
= deref
->var
->data
.descriptor_set
;
4795 base_index
= deref
->var
->data
.binding
;
4798 return ctx
->abi
->load_sampler_desc(ctx
->abi
,
4801 constant_index
, index
,
4802 desc_type
, image
, write
);
4805 static void set_tex_fetch_args(struct ac_llvm_context
*ctx
,
4806 struct ac_image_args
*args
,
4807 const nir_tex_instr
*instr
,
4809 LLVMValueRef res_ptr
, LLVMValueRef samp_ptr
,
4810 LLVMValueRef
*param
, unsigned count
,
4813 unsigned is_rect
= 0;
4814 bool da
= instr
->is_array
|| instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
;
4816 if (op
== nir_texop_lod
)
4818 /* Pad to power of two vector */
4819 while (count
< util_next_power_of_two(count
))
4820 param
[count
++] = LLVMGetUndef(ctx
->i32
);
4823 args
->addr
= ac_build_gather_values(ctx
, param
, count
);
4825 args
->addr
= param
[0];
4827 args
->resource
= res_ptr
;
4828 args
->sampler
= samp_ptr
;
4830 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
&& op
== nir_texop_txf
) {
4831 args
->addr
= param
[0];
4835 args
->dmask
= dmask
;
4836 args
->unorm
= is_rect
;
4840 /* Disable anisotropic filtering if BASE_LEVEL == LAST_LEVEL.
4843 * If BASE_LEVEL == LAST_LEVEL, the shader must disable anisotropic
4844 * filtering manually. The driver sets img7 to a mask clearing
4845 * MAX_ANISO_RATIO if BASE_LEVEL == LAST_LEVEL. The shader must do:
4846 * s_and_b32 samp0, samp0, img7
4849 * The ANISO_OVERRIDE sampler field enables this fix in TA.
4851 static LLVMValueRef
sici_fix_sampler_aniso(struct ac_nir_context
*ctx
,
4852 LLVMValueRef res
, LLVMValueRef samp
)
4854 LLVMBuilderRef builder
= ctx
->ac
.builder
;
4855 LLVMValueRef img7
, samp0
;
4857 if (ctx
->ac
.chip_class
>= VI
)
4860 img7
= LLVMBuildExtractElement(builder
, res
,
4861 LLVMConstInt(ctx
->ac
.i32
, 7, 0), "");
4862 samp0
= LLVMBuildExtractElement(builder
, samp
,
4863 LLVMConstInt(ctx
->ac
.i32
, 0, 0), "");
4864 samp0
= LLVMBuildAnd(builder
, samp0
, img7
, "");
4865 return LLVMBuildInsertElement(builder
, samp
, samp0
,
4866 LLVMConstInt(ctx
->ac
.i32
, 0, 0), "");
4869 static void tex_fetch_ptrs(struct ac_nir_context
*ctx
,
4870 nir_tex_instr
*instr
,
4871 LLVMValueRef
*res_ptr
, LLVMValueRef
*samp_ptr
,
4872 LLVMValueRef
*fmask_ptr
)
4874 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
)
4875 *res_ptr
= get_sampler_desc(ctx
, instr
->texture
, AC_DESC_BUFFER
, instr
, false, false);
4877 *res_ptr
= get_sampler_desc(ctx
, instr
->texture
, AC_DESC_IMAGE
, instr
, false, false);
4880 *samp_ptr
= get_sampler_desc(ctx
, instr
->sampler
, AC_DESC_SAMPLER
, instr
, false, false);
4882 *samp_ptr
= get_sampler_desc(ctx
, instr
->texture
, AC_DESC_SAMPLER
, instr
, false, false);
4883 if (instr
->sampler_dim
< GLSL_SAMPLER_DIM_RECT
)
4884 *samp_ptr
= sici_fix_sampler_aniso(ctx
, *res_ptr
, *samp_ptr
);
4886 if (fmask_ptr
&& !instr
->sampler
&& (instr
->op
== nir_texop_txf_ms
||
4887 instr
->op
== nir_texop_samples_identical
))
4888 *fmask_ptr
= get_sampler_desc(ctx
, instr
->texture
, AC_DESC_FMASK
, instr
, false, false);
4891 static LLVMValueRef
apply_round_slice(struct ac_llvm_context
*ctx
,
4894 coord
= ac_to_float(ctx
, coord
);
4895 coord
= ac_build_intrinsic(ctx
, "llvm.rint.f32", ctx
->f32
, &coord
, 1, 0);
4896 coord
= ac_to_integer(ctx
, coord
);
4900 static void visit_tex(struct ac_nir_context
*ctx
, nir_tex_instr
*instr
)
4902 LLVMValueRef result
= NULL
;
4903 struct ac_image_args args
= { 0 };
4904 unsigned dmask
= 0xf;
4905 LLVMValueRef address
[16];
4906 LLVMValueRef coords
[5];
4907 LLVMValueRef coord
= NULL
, lod
= NULL
, comparator
= NULL
;
4908 LLVMValueRef bias
= NULL
, offsets
= NULL
;
4909 LLVMValueRef res_ptr
, samp_ptr
, fmask_ptr
= NULL
, sample_index
= NULL
;
4910 LLVMValueRef ddx
= NULL
, ddy
= NULL
;
4911 LLVMValueRef derivs
[6];
4912 unsigned chan
, count
= 0;
4913 unsigned const_src
= 0, num_deriv_comp
= 0;
4914 bool lod_is_zero
= false;
4916 tex_fetch_ptrs(ctx
, instr
, &res_ptr
, &samp_ptr
, &fmask_ptr
);
4918 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
4919 switch (instr
->src
[i
].src_type
) {
4920 case nir_tex_src_coord
:
4921 coord
= get_src(ctx
, instr
->src
[i
].src
);
4923 case nir_tex_src_projector
:
4925 case nir_tex_src_comparator
:
4926 comparator
= get_src(ctx
, instr
->src
[i
].src
);
4928 case nir_tex_src_offset
:
4929 offsets
= get_src(ctx
, instr
->src
[i
].src
);
4932 case nir_tex_src_bias
:
4933 bias
= get_src(ctx
, instr
->src
[i
].src
);
4935 case nir_tex_src_lod
: {
4936 nir_const_value
*val
= nir_src_as_const_value(instr
->src
[i
].src
);
4938 if (val
&& val
->i32
[0] == 0)
4940 lod
= get_src(ctx
, instr
->src
[i
].src
);
4943 case nir_tex_src_ms_index
:
4944 sample_index
= get_src(ctx
, instr
->src
[i
].src
);
4946 case nir_tex_src_ms_mcs
:
4948 case nir_tex_src_ddx
:
4949 ddx
= get_src(ctx
, instr
->src
[i
].src
);
4950 num_deriv_comp
= instr
->src
[i
].src
.ssa
->num_components
;
4952 case nir_tex_src_ddy
:
4953 ddy
= get_src(ctx
, instr
->src
[i
].src
);
4955 case nir_tex_src_texture_offset
:
4956 case nir_tex_src_sampler_offset
:
4957 case nir_tex_src_plane
:
4963 if (instr
->op
== nir_texop_txs
&& instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
4964 result
= get_buffer_size(ctx
, res_ptr
, true);
4968 if (instr
->op
== nir_texop_texture_samples
) {
4969 LLVMValueRef res
, samples
, is_msaa
;
4970 res
= LLVMBuildBitCast(ctx
->ac
.builder
, res_ptr
, ctx
->ac
.v8i32
, "");
4971 samples
= LLVMBuildExtractElement(ctx
->ac
.builder
, res
,
4972 LLVMConstInt(ctx
->ac
.i32
, 3, false), "");
4973 is_msaa
= LLVMBuildLShr(ctx
->ac
.builder
, samples
,
4974 LLVMConstInt(ctx
->ac
.i32
, 28, false), "");
4975 is_msaa
= LLVMBuildAnd(ctx
->ac
.builder
, is_msaa
,
4976 LLVMConstInt(ctx
->ac
.i32
, 0xe, false), "");
4977 is_msaa
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
, is_msaa
,
4978 LLVMConstInt(ctx
->ac
.i32
, 0xe, false), "");
4980 samples
= LLVMBuildLShr(ctx
->ac
.builder
, samples
,
4981 LLVMConstInt(ctx
->ac
.i32
, 16, false), "");
4982 samples
= LLVMBuildAnd(ctx
->ac
.builder
, samples
,
4983 LLVMConstInt(ctx
->ac
.i32
, 0xf, false), "");
4984 samples
= LLVMBuildShl(ctx
->ac
.builder
, ctx
->ac
.i32_1
,
4986 samples
= LLVMBuildSelect(ctx
->ac
.builder
, is_msaa
, samples
,
4993 for (chan
= 0; chan
< instr
->coord_components
; chan
++)
4994 coords
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, coord
, chan
);
4996 if (offsets
&& instr
->op
!= nir_texop_txf
) {
4997 LLVMValueRef offset
[3], pack
;
4998 for (chan
= 0; chan
< 3; ++chan
)
4999 offset
[chan
] = ctx
->ac
.i32_0
;
5002 for (chan
= 0; chan
< ac_get_llvm_num_components(offsets
); chan
++) {
5003 offset
[chan
] = ac_llvm_extract_elem(&ctx
->ac
, offsets
, chan
);
5004 offset
[chan
] = LLVMBuildAnd(ctx
->ac
.builder
, offset
[chan
],
5005 LLVMConstInt(ctx
->ac
.i32
, 0x3f, false), "");
5007 offset
[chan
] = LLVMBuildShl(ctx
->ac
.builder
, offset
[chan
],
5008 LLVMConstInt(ctx
->ac
.i32
, chan
* 8, false), "");
5010 pack
= LLVMBuildOr(ctx
->ac
.builder
, offset
[0], offset
[1], "");
5011 pack
= LLVMBuildOr(ctx
->ac
.builder
, pack
, offset
[2], "");
5012 address
[count
++] = pack
;
5015 /* pack LOD bias value */
5016 if (instr
->op
== nir_texop_txb
&& bias
) {
5017 address
[count
++] = bias
;
5020 /* Pack depth comparison value */
5021 if (instr
->is_shadow
&& comparator
) {
5022 LLVMValueRef z
= ac_to_float(&ctx
->ac
,
5023 ac_llvm_extract_elem(&ctx
->ac
, comparator
, 0));
5025 /* TC-compatible HTILE on radeonsi promotes Z16 and Z24 to Z32_FLOAT,
5026 * so the depth comparison value isn't clamped for Z16 and
5027 * Z24 anymore. Do it manually here.
5029 * It's unnecessary if the original texture format was
5030 * Z32_FLOAT, but we don't know that here.
5032 if (ctx
->ac
.chip_class
== VI
&& ctx
->abi
->clamp_shadow_reference
)
5033 z
= ac_build_clamp(&ctx
->ac
, z
);
5035 address
[count
++] = z
;
5038 /* pack derivatives */
5040 int num_src_deriv_channels
, num_dest_deriv_channels
;
5041 switch (instr
->sampler_dim
) {
5042 case GLSL_SAMPLER_DIM_3D
:
5043 case GLSL_SAMPLER_DIM_CUBE
:
5045 num_src_deriv_channels
= 3;
5046 num_dest_deriv_channels
= 3;
5048 case GLSL_SAMPLER_DIM_2D
:
5050 num_src_deriv_channels
= 2;
5051 num_dest_deriv_channels
= 2;
5054 case GLSL_SAMPLER_DIM_1D
:
5055 num_src_deriv_channels
= 1;
5056 if (ctx
->ac
.chip_class
>= GFX9
) {
5057 num_dest_deriv_channels
= 2;
5060 num_dest_deriv_channels
= 1;
5066 for (unsigned i
= 0; i
< num_src_deriv_channels
; i
++) {
5067 derivs
[i
] = ac_to_float(&ctx
->ac
, ac_llvm_extract_elem(&ctx
->ac
, ddx
, i
));
5068 derivs
[num_dest_deriv_channels
+ i
] = ac_to_float(&ctx
->ac
, ac_llvm_extract_elem(&ctx
->ac
, ddy
, i
));
5070 for (unsigned i
= num_src_deriv_channels
; i
< num_dest_deriv_channels
; i
++) {
5071 derivs
[i
] = ctx
->ac
.f32_0
;
5072 derivs
[num_dest_deriv_channels
+ i
] = ctx
->ac
.f32_0
;
5076 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&& coord
) {
5077 for (chan
= 0; chan
< instr
->coord_components
; chan
++)
5078 coords
[chan
] = ac_to_float(&ctx
->ac
, coords
[chan
]);
5079 if (instr
->coord_components
== 3)
5080 coords
[3] = LLVMGetUndef(ctx
->ac
.f32
);
5081 ac_prepare_cube_coords(&ctx
->ac
,
5082 instr
->op
== nir_texop_txd
, instr
->is_array
,
5083 instr
->op
== nir_texop_lod
, coords
, derivs
);
5089 for (unsigned i
= 0; i
< num_deriv_comp
* 2; i
++)
5090 address
[count
++] = derivs
[i
];
5093 /* Pack texture coordinates */
5095 address
[count
++] = coords
[0];
5096 if (instr
->coord_components
> 1) {
5097 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&& instr
->is_array
&& instr
->op
!= nir_texop_txf
) {
5098 coords
[1] = apply_round_slice(&ctx
->ac
, coords
[1]);
5100 address
[count
++] = coords
[1];
5102 if (instr
->coord_components
> 2) {
5103 if ((instr
->sampler_dim
== GLSL_SAMPLER_DIM_2D
||
5104 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
||
5105 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS
||
5106 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
) &&
5108 instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
) {
5109 coords
[2] = apply_round_slice(&ctx
->ac
, coords
[2]);
5111 address
[count
++] = coords
[2];
5114 if (ctx
->ac
.chip_class
>= GFX9
) {
5115 LLVMValueRef filler
;
5116 if (instr
->op
== nir_texop_txf
)
5117 filler
= ctx
->ac
.i32_0
;
5119 filler
= LLVMConstReal(ctx
->ac
.f32
, 0.5);
5121 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
) {
5122 /* No nir_texop_lod, because it does not take a slice
5123 * even with array textures. */
5124 if (instr
->is_array
&& instr
->op
!= nir_texop_lod
) {
5125 address
[count
] = address
[count
- 1];
5126 address
[count
- 1] = filler
;
5129 address
[count
++] = filler
;
5135 if (lod
&& ((instr
->op
== nir_texop_txl
&& !lod_is_zero
) ||
5136 instr
->op
== nir_texop_txf
)) {
5137 address
[count
++] = lod
;
5138 } else if (instr
->op
== nir_texop_txf_ms
&& sample_index
) {
5139 address
[count
++] = sample_index
;
5140 } else if(instr
->op
== nir_texop_txs
) {
5143 address
[count
++] = lod
;
5145 address
[count
++] = ctx
->ac
.i32_0
;
5148 for (chan
= 0; chan
< count
; chan
++) {
5149 address
[chan
] = LLVMBuildBitCast(ctx
->ac
.builder
,
5150 address
[chan
], ctx
->ac
.i32
, "");
5153 if (instr
->op
== nir_texop_samples_identical
) {
5154 LLVMValueRef txf_address
[4];
5155 struct ac_image_args txf_args
= { 0 };
5156 unsigned txf_count
= count
;
5157 memcpy(txf_address
, address
, sizeof(txf_address
));
5159 if (!instr
->is_array
)
5160 txf_address
[2] = ctx
->ac
.i32_0
;
5161 txf_address
[3] = ctx
->ac
.i32_0
;
5163 set_tex_fetch_args(&ctx
->ac
, &txf_args
, instr
, nir_texop_txf
,
5165 txf_address
, txf_count
, 0xf);
5167 result
= build_tex_intrinsic(ctx
, instr
, false, &txf_args
);
5169 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, ctx
->ac
.i32_0
, "");
5170 result
= emit_int_cmp(&ctx
->ac
, LLVMIntEQ
, result
, ctx
->ac
.i32_0
);
5174 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
&&
5175 instr
->op
!= nir_texop_txs
) {
5176 unsigned sample_chan
= instr
->is_array
? 3 : 2;
5177 address
[sample_chan
] = adjust_sample_index_using_fmask(&ctx
->ac
,
5180 instr
->is_array
? address
[2] : NULL
,
5181 address
[sample_chan
],
5185 if (offsets
&& instr
->op
== nir_texop_txf
) {
5186 nir_const_value
*const_offset
=
5187 nir_src_as_const_value(instr
->src
[const_src
].src
);
5188 int num_offsets
= instr
->src
[const_src
].src
.ssa
->num_components
;
5189 assert(const_offset
);
5190 num_offsets
= MIN2(num_offsets
, instr
->coord_components
);
5191 if (num_offsets
> 2)
5192 address
[2] = LLVMBuildAdd(ctx
->ac
.builder
,
5193 address
[2], LLVMConstInt(ctx
->ac
.i32
, const_offset
->i32
[2], false), "");
5194 if (num_offsets
> 1)
5195 address
[1] = LLVMBuildAdd(ctx
->ac
.builder
,
5196 address
[1], LLVMConstInt(ctx
->ac
.i32
, const_offset
->i32
[1], false), "");
5197 address
[0] = LLVMBuildAdd(ctx
->ac
.builder
,
5198 address
[0], LLVMConstInt(ctx
->ac
.i32
, const_offset
->i32
[0], false), "");
5202 /* TODO TG4 support */
5203 if (instr
->op
== nir_texop_tg4
) {
5204 if (instr
->is_shadow
)
5207 dmask
= 1 << instr
->component
;
5209 set_tex_fetch_args(&ctx
->ac
, &args
, instr
, instr
->op
,
5210 res_ptr
, samp_ptr
, address
, count
, dmask
);
5212 result
= build_tex_intrinsic(ctx
, instr
, lod_is_zero
, &args
);
5214 if (instr
->op
== nir_texop_query_levels
)
5215 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, LLVMConstInt(ctx
->ac
.i32
, 3, false), "");
5216 else if (instr
->is_shadow
&& instr
->is_new_style_shadow
&&
5217 instr
->op
!= nir_texop_txs
&& instr
->op
!= nir_texop_lod
&&
5218 instr
->op
!= nir_texop_tg4
)
5219 result
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, ctx
->ac
.i32_0
, "");
5220 else if (instr
->op
== nir_texop_txs
&&
5221 instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&&
5223 LLVMValueRef two
= LLVMConstInt(ctx
->ac
.i32
, 2, false);
5224 LLVMValueRef six
= LLVMConstInt(ctx
->ac
.i32
, 6, false);
5225 LLVMValueRef z
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, two
, "");
5226 z
= LLVMBuildSDiv(ctx
->ac
.builder
, z
, six
, "");
5227 result
= LLVMBuildInsertElement(ctx
->ac
.builder
, result
, z
, two
, "");
5228 } else if (ctx
->ac
.chip_class
>= GFX9
&&
5229 instr
->op
== nir_texop_txs
&&
5230 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
5232 LLVMValueRef two
= LLVMConstInt(ctx
->ac
.i32
, 2, false);
5233 LLVMValueRef layers
= LLVMBuildExtractElement(ctx
->ac
.builder
, result
, two
, "");
5234 result
= LLVMBuildInsertElement(ctx
->ac
.builder
, result
, layers
,
5236 } else if (instr
->dest
.ssa
.num_components
!= 4)
5237 result
= trim_vector(&ctx
->ac
, result
, instr
->dest
.ssa
.num_components
);
5241 assert(instr
->dest
.is_ssa
);
5242 result
= ac_to_integer(&ctx
->ac
, result
);
5243 _mesa_hash_table_insert(ctx
->defs
, &instr
->dest
.ssa
, result
);
5248 static void visit_phi(struct ac_nir_context
*ctx
, nir_phi_instr
*instr
)
5250 LLVMTypeRef type
= get_def_type(ctx
, &instr
->dest
.ssa
);
5251 LLVMValueRef result
= LLVMBuildPhi(ctx
->ac
.builder
, type
, "");
5253 _mesa_hash_table_insert(ctx
->defs
, &instr
->dest
.ssa
, result
);
5254 _mesa_hash_table_insert(ctx
->phis
, instr
, result
);
5257 static void visit_post_phi(struct ac_nir_context
*ctx
,
5258 nir_phi_instr
*instr
,
5259 LLVMValueRef llvm_phi
)
5261 nir_foreach_phi_src(src
, instr
) {
5262 LLVMBasicBlockRef block
= get_block(ctx
, src
->pred
);
5263 LLVMValueRef llvm_src
= get_src(ctx
, src
->src
);
5265 LLVMAddIncoming(llvm_phi
, &llvm_src
, &block
, 1);
5269 static void phi_post_pass(struct ac_nir_context
*ctx
)
5271 struct hash_entry
*entry
;
5272 hash_table_foreach(ctx
->phis
, entry
) {
5273 visit_post_phi(ctx
, (nir_phi_instr
*)entry
->key
,
5274 (LLVMValueRef
)entry
->data
);
5279 static void visit_ssa_undef(struct ac_nir_context
*ctx
,
5280 const nir_ssa_undef_instr
*instr
)
5282 unsigned num_components
= instr
->def
.num_components
;
5283 LLVMTypeRef type
= LLVMIntTypeInContext(ctx
->ac
.context
, instr
->def
.bit_size
);
5286 if (num_components
== 1)
5287 undef
= LLVMGetUndef(type
);
5289 undef
= LLVMGetUndef(LLVMVectorType(type
, num_components
));
5291 _mesa_hash_table_insert(ctx
->defs
, &instr
->def
, undef
);
5294 static void visit_jump(struct ac_nir_context
*ctx
,
5295 const nir_jump_instr
*instr
)
5297 switch (instr
->type
) {
5298 case nir_jump_break
:
5299 LLVMBuildBr(ctx
->ac
.builder
, ctx
->break_block
);
5300 LLVMClearInsertionPosition(ctx
->ac
.builder
);
5302 case nir_jump_continue
:
5303 LLVMBuildBr(ctx
->ac
.builder
, ctx
->continue_block
);
5304 LLVMClearInsertionPosition(ctx
->ac
.builder
);
5307 fprintf(stderr
, "Unknown NIR jump instr: ");
5308 nir_print_instr(&instr
->instr
, stderr
);
5309 fprintf(stderr
, "\n");
5314 static void visit_cf_list(struct ac_nir_context
*ctx
,
5315 struct exec_list
*list
);
5317 static void visit_block(struct ac_nir_context
*ctx
, nir_block
*block
)
5319 LLVMBasicBlockRef llvm_block
= LLVMGetInsertBlock(ctx
->ac
.builder
);
5320 nir_foreach_instr(instr
, block
)
5322 switch (instr
->type
) {
5323 case nir_instr_type_alu
:
5324 visit_alu(ctx
, nir_instr_as_alu(instr
));
5326 case nir_instr_type_load_const
:
5327 visit_load_const(ctx
, nir_instr_as_load_const(instr
));
5329 case nir_instr_type_intrinsic
:
5330 visit_intrinsic(ctx
, nir_instr_as_intrinsic(instr
));
5332 case nir_instr_type_tex
:
5333 visit_tex(ctx
, nir_instr_as_tex(instr
));
5335 case nir_instr_type_phi
:
5336 visit_phi(ctx
, nir_instr_as_phi(instr
));
5338 case nir_instr_type_ssa_undef
:
5339 visit_ssa_undef(ctx
, nir_instr_as_ssa_undef(instr
));
5341 case nir_instr_type_jump
:
5342 visit_jump(ctx
, nir_instr_as_jump(instr
));
5345 fprintf(stderr
, "Unknown NIR instr type: ");
5346 nir_print_instr(instr
, stderr
);
5347 fprintf(stderr
, "\n");
5352 _mesa_hash_table_insert(ctx
->defs
, block
, llvm_block
);
5355 static void visit_if(struct ac_nir_context
*ctx
, nir_if
*if_stmt
)
5357 LLVMValueRef value
= get_src(ctx
, if_stmt
->condition
);
5359 LLVMValueRef fn
= LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx
->ac
.builder
));
5360 LLVMBasicBlockRef merge_block
=
5361 LLVMAppendBasicBlockInContext(ctx
->ac
.context
, fn
, "");
5362 LLVMBasicBlockRef if_block
=
5363 LLVMAppendBasicBlockInContext(ctx
->ac
.context
, fn
, "");
5364 LLVMBasicBlockRef else_block
= merge_block
;
5365 if (!exec_list_is_empty(&if_stmt
->else_list
))
5366 else_block
= LLVMAppendBasicBlockInContext(
5367 ctx
->ac
.context
, fn
, "");
5369 LLVMValueRef cond
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntNE
, value
,
5371 LLVMBuildCondBr(ctx
->ac
.builder
, cond
, if_block
, else_block
);
5373 LLVMPositionBuilderAtEnd(ctx
->ac
.builder
, if_block
);
5374 visit_cf_list(ctx
, &if_stmt
->then_list
);
5375 if (LLVMGetInsertBlock(ctx
->ac
.builder
))
5376 LLVMBuildBr(ctx
->ac
.builder
, merge_block
);
5378 if (!exec_list_is_empty(&if_stmt
->else_list
)) {
5379 LLVMPositionBuilderAtEnd(ctx
->ac
.builder
, else_block
);
5380 visit_cf_list(ctx
, &if_stmt
->else_list
);
5381 if (LLVMGetInsertBlock(ctx
->ac
.builder
))
5382 LLVMBuildBr(ctx
->ac
.builder
, merge_block
);
5385 LLVMPositionBuilderAtEnd(ctx
->ac
.builder
, merge_block
);
5388 static void visit_loop(struct ac_nir_context
*ctx
, nir_loop
*loop
)
5390 LLVMValueRef fn
= LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx
->ac
.builder
));
5391 LLVMBasicBlockRef continue_parent
= ctx
->continue_block
;
5392 LLVMBasicBlockRef break_parent
= ctx
->break_block
;
5394 ctx
->continue_block
=
5395 LLVMAppendBasicBlockInContext(ctx
->ac
.context
, fn
, "");
5397 LLVMAppendBasicBlockInContext(ctx
->ac
.context
, fn
, "");
5399 LLVMBuildBr(ctx
->ac
.builder
, ctx
->continue_block
);
5400 LLVMPositionBuilderAtEnd(ctx
->ac
.builder
, ctx
->continue_block
);
5401 visit_cf_list(ctx
, &loop
->body
);
5403 if (LLVMGetInsertBlock(ctx
->ac
.builder
))
5404 LLVMBuildBr(ctx
->ac
.builder
, ctx
->continue_block
);
5405 LLVMPositionBuilderAtEnd(ctx
->ac
.builder
, ctx
->break_block
);
5407 ctx
->continue_block
= continue_parent
;
5408 ctx
->break_block
= break_parent
;
5411 static void visit_cf_list(struct ac_nir_context
*ctx
,
5412 struct exec_list
*list
)
5414 foreach_list_typed(nir_cf_node
, node
, node
, list
)
5416 switch (node
->type
) {
5417 case nir_cf_node_block
:
5418 visit_block(ctx
, nir_cf_node_as_block(node
));
5421 case nir_cf_node_if
:
5422 visit_if(ctx
, nir_cf_node_as_if(node
));
5425 case nir_cf_node_loop
:
5426 visit_loop(ctx
, nir_cf_node_as_loop(node
));
5436 handle_vs_input_decl(struct radv_shader_context
*ctx
,
5437 struct nir_variable
*variable
)
5439 LLVMValueRef t_list_ptr
= ctx
->vertex_buffers
;
5440 LLVMValueRef t_offset
;
5441 LLVMValueRef t_list
;
5443 LLVMValueRef buffer_index
;
5444 int index
= variable
->data
.location
- VERT_ATTRIB_GENERIC0
;
5445 int idx
= variable
->data
.location
;
5446 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, true);
5447 uint8_t input_usage_mask
=
5448 ctx
->shader_info
->info
.vs
.input_usage_mask
[variable
->data
.location
];
5449 unsigned num_channels
= util_last_bit(input_usage_mask
);
5451 variable
->data
.driver_location
= idx
* 4;
5453 for (unsigned i
= 0; i
< attrib_count
; ++i
, ++idx
) {
5454 if (ctx
->options
->key
.vs
.instance_rate_inputs
& (1u << (index
+ i
))) {
5455 buffer_index
= LLVMBuildAdd(ctx
->ac
.builder
, ctx
->abi
.instance_id
,
5456 ctx
->abi
.start_instance
, "");
5457 if (ctx
->options
->key
.vs
.as_ls
) {
5458 ctx
->shader_info
->vs
.vgpr_comp_cnt
=
5459 MAX2(2, ctx
->shader_info
->vs
.vgpr_comp_cnt
);
5461 ctx
->shader_info
->vs
.vgpr_comp_cnt
=
5462 MAX2(1, ctx
->shader_info
->vs
.vgpr_comp_cnt
);
5465 buffer_index
= LLVMBuildAdd(ctx
->ac
.builder
, ctx
->abi
.vertex_id
,
5466 ctx
->abi
.base_vertex
, "");
5467 t_offset
= LLVMConstInt(ctx
->ac
.i32
, index
+ i
, false);
5469 t_list
= ac_build_load_to_sgpr(&ctx
->ac
, t_list_ptr
, t_offset
);
5471 input
= ac_build_buffer_load_format(&ctx
->ac
, t_list
,
5474 num_channels
, false, true);
5476 input
= ac_build_expand_to_vec4(&ctx
->ac
, input
, num_channels
);
5478 for (unsigned chan
= 0; chan
< 4; chan
++) {
5479 LLVMValueRef llvm_chan
= LLVMConstInt(ctx
->ac
.i32
, chan
, false);
5480 ctx
->inputs
[radeon_llvm_reg_index_soa(idx
, chan
)] =
5481 ac_to_integer(&ctx
->ac
, LLVMBuildExtractElement(ctx
->ac
.builder
,
5482 input
, llvm_chan
, ""));
5487 static void interp_fs_input(struct radv_shader_context
*ctx
,
5489 LLVMValueRef interp_param
,
5490 LLVMValueRef prim_mask
,
5491 LLVMValueRef result
[4])
5493 LLVMValueRef attr_number
;
5496 bool interp
= interp_param
!= NULL
;
5498 attr_number
= LLVMConstInt(ctx
->ac
.i32
, attr
, false);
5500 /* fs.constant returns the param from the middle vertex, so it's not
5501 * really useful for flat shading. It's meant to be used for custom
5502 * interpolation (but the intrinsic can't fetch from the other two
5505 * Luckily, it doesn't matter, because we rely on the FLAT_SHADE state
5506 * to do the right thing. The only reason we use fs.constant is that
5507 * fs.interp cannot be used on integers, because they can be equal
5511 interp_param
= LLVMBuildBitCast(ctx
->ac
.builder
, interp_param
,
5514 i
= LLVMBuildExtractElement(ctx
->ac
.builder
, interp_param
,
5516 j
= LLVMBuildExtractElement(ctx
->ac
.builder
, interp_param
,
5520 for (chan
= 0; chan
< 4; chan
++) {
5521 LLVMValueRef llvm_chan
= LLVMConstInt(ctx
->ac
.i32
, chan
, false);
5524 result
[chan
] = ac_build_fs_interp(&ctx
->ac
,
5529 result
[chan
] = ac_build_fs_interp_mov(&ctx
->ac
,
5530 LLVMConstInt(ctx
->ac
.i32
, 2, false),
5539 handle_fs_input_decl(struct radv_shader_context
*ctx
,
5540 struct nir_variable
*variable
)
5542 int idx
= variable
->data
.location
;
5543 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, false);
5544 LLVMValueRef interp
;
5546 variable
->data
.driver_location
= idx
* 4;
5547 ctx
->input_mask
|= ((1ull << attrib_count
) - 1) << variable
->data
.location
;
5549 if (glsl_get_base_type(glsl_without_array(variable
->type
)) == GLSL_TYPE_FLOAT
) {
5550 unsigned interp_type
;
5551 if (variable
->data
.sample
)
5552 interp_type
= INTERP_SAMPLE
;
5553 else if (variable
->data
.centroid
)
5554 interp_type
= INTERP_CENTROID
;
5556 interp_type
= INTERP_CENTER
;
5558 interp
= lookup_interp_param(&ctx
->abi
, variable
->data
.interpolation
, interp_type
);
5562 for (unsigned i
= 0; i
< attrib_count
; ++i
)
5563 ctx
->inputs
[radeon_llvm_reg_index_soa(idx
+ i
, 0)] = interp
;
5568 handle_vs_inputs(struct radv_shader_context
*ctx
,
5569 struct nir_shader
*nir
) {
5570 nir_foreach_variable(variable
, &nir
->inputs
)
5571 handle_vs_input_decl(ctx
, variable
);
5575 prepare_interp_optimize(struct radv_shader_context
*ctx
,
5576 struct nir_shader
*nir
)
5578 if (!ctx
->options
->key
.fs
.multisample
)
5581 bool uses_center
= false;
5582 bool uses_centroid
= false;
5583 nir_foreach_variable(variable
, &nir
->inputs
) {
5584 if (glsl_get_base_type(glsl_without_array(variable
->type
)) != GLSL_TYPE_FLOAT
||
5585 variable
->data
.sample
)
5588 if (variable
->data
.centroid
)
5589 uses_centroid
= true;
5594 if (uses_center
&& uses_centroid
) {
5595 LLVMValueRef sel
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntSLT
, ctx
->abi
.prim_mask
, ctx
->ac
.i32_0
, "");
5596 ctx
->persp_centroid
= LLVMBuildSelect(ctx
->ac
.builder
, sel
, ctx
->persp_center
, ctx
->persp_centroid
, "");
5597 ctx
->linear_centroid
= LLVMBuildSelect(ctx
->ac
.builder
, sel
, ctx
->linear_center
, ctx
->linear_centroid
, "");
5602 handle_fs_inputs(struct radv_shader_context
*ctx
,
5603 struct nir_shader
*nir
)
5605 prepare_interp_optimize(ctx
, nir
);
5607 nir_foreach_variable(variable
, &nir
->inputs
)
5608 handle_fs_input_decl(ctx
, variable
);
5612 if (ctx
->shader_info
->info
.ps
.uses_input_attachments
||
5613 ctx
->shader_info
->info
.needs_multiview_view_index
)
5614 ctx
->input_mask
|= 1ull << VARYING_SLOT_LAYER
;
5616 for (unsigned i
= 0; i
< RADEON_LLVM_MAX_INPUTS
; ++i
) {
5617 LLVMValueRef interp_param
;
5618 LLVMValueRef
*inputs
= ctx
->inputs
+radeon_llvm_reg_index_soa(i
, 0);
5620 if (!(ctx
->input_mask
& (1ull << i
)))
5623 if (i
>= VARYING_SLOT_VAR0
|| i
== VARYING_SLOT_PNTC
||
5624 i
== VARYING_SLOT_PRIMITIVE_ID
|| i
== VARYING_SLOT_LAYER
) {
5625 interp_param
= *inputs
;
5626 interp_fs_input(ctx
, index
, interp_param
, ctx
->abi
.prim_mask
,
5630 ctx
->shader_info
->fs
.flat_shaded_mask
|= 1u << index
;
5632 } else if (i
== VARYING_SLOT_POS
) {
5633 for(int i
= 0; i
< 3; ++i
)
5634 inputs
[i
] = ctx
->abi
.frag_pos
[i
];
5636 inputs
[3] = ac_build_fdiv(&ctx
->ac
, ctx
->ac
.f32_1
,
5637 ctx
->abi
.frag_pos
[3]);
5640 ctx
->shader_info
->fs
.num_interp
= index
;
5641 ctx
->shader_info
->fs
.input_mask
= ctx
->input_mask
>> VARYING_SLOT_VAR0
;
5643 if (ctx
->shader_info
->info
.needs_multiview_view_index
)
5644 ctx
->abi
.view_index
= ctx
->inputs
[radeon_llvm_reg_index_soa(VARYING_SLOT_LAYER
, 0)];
5648 ac_build_alloca(struct ac_llvm_context
*ac
,
5652 LLVMBuilderRef builder
= ac
->builder
;
5653 LLVMBasicBlockRef current_block
= LLVMGetInsertBlock(builder
);
5654 LLVMValueRef function
= LLVMGetBasicBlockParent(current_block
);
5655 LLVMBasicBlockRef first_block
= LLVMGetEntryBasicBlock(function
);
5656 LLVMValueRef first_instr
= LLVMGetFirstInstruction(first_block
);
5657 LLVMBuilderRef first_builder
= LLVMCreateBuilderInContext(ac
->context
);
5661 LLVMPositionBuilderBefore(first_builder
, first_instr
);
5663 LLVMPositionBuilderAtEnd(first_builder
, first_block
);
5666 res
= LLVMBuildAlloca(first_builder
, type
, name
);
5667 LLVMBuildStore(builder
, LLVMConstNull(type
), res
);
5669 LLVMDisposeBuilder(first_builder
);
5674 static LLVMValueRef
si_build_alloca_undef(struct ac_llvm_context
*ac
,
5678 LLVMValueRef ptr
= ac_build_alloca(ac
, type
, name
);
5679 LLVMBuildStore(ac
->builder
, LLVMGetUndef(type
), ptr
);
5684 scan_shader_output_decl(struct radv_shader_context
*ctx
,
5685 struct nir_variable
*variable
,
5686 struct nir_shader
*shader
,
5687 gl_shader_stage stage
)
5689 int idx
= variable
->data
.location
+ variable
->data
.index
;
5690 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, false);
5691 uint64_t mask_attribs
;
5693 variable
->data
.driver_location
= idx
* 4;
5695 /* tess ctrl has it's own load/store paths for outputs */
5696 if (stage
== MESA_SHADER_TESS_CTRL
)
5699 mask_attribs
= ((1ull << attrib_count
) - 1) << idx
;
5700 if (stage
== MESA_SHADER_VERTEX
||
5701 stage
== MESA_SHADER_TESS_EVAL
||
5702 stage
== MESA_SHADER_GEOMETRY
) {
5703 if (idx
== VARYING_SLOT_CLIP_DIST0
) {
5704 int length
= shader
->info
.clip_distance_array_size
+
5705 shader
->info
.cull_distance_array_size
;
5706 if (stage
== MESA_SHADER_VERTEX
) {
5707 ctx
->shader_info
->vs
.outinfo
.clip_dist_mask
= (1 << shader
->info
.clip_distance_array_size
) - 1;
5708 ctx
->shader_info
->vs
.outinfo
.cull_dist_mask
= (1 << shader
->info
.cull_distance_array_size
) - 1;
5710 if (stage
== MESA_SHADER_TESS_EVAL
) {
5711 ctx
->shader_info
->tes
.outinfo
.clip_dist_mask
= (1 << shader
->info
.clip_distance_array_size
) - 1;
5712 ctx
->shader_info
->tes
.outinfo
.cull_dist_mask
= (1 << shader
->info
.cull_distance_array_size
) - 1;
5719 mask_attribs
= 1ull << idx
;
5723 ctx
->output_mask
|= mask_attribs
;
5727 handle_shader_output_decl(struct ac_nir_context
*ctx
,
5728 struct nir_shader
*nir
,
5729 struct nir_variable
*variable
)
5731 unsigned output_loc
= variable
->data
.driver_location
/ 4;
5732 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, false);
5734 /* tess ctrl has it's own load/store paths for outputs */
5735 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
)
5738 if (ctx
->stage
== MESA_SHADER_VERTEX
||
5739 ctx
->stage
== MESA_SHADER_TESS_EVAL
||
5740 ctx
->stage
== MESA_SHADER_GEOMETRY
) {
5741 int idx
= variable
->data
.location
+ variable
->data
.index
;
5742 if (idx
== VARYING_SLOT_CLIP_DIST0
) {
5743 int length
= nir
->info
.clip_distance_array_size
+
5744 nir
->info
.cull_distance_array_size
;
5753 for (unsigned i
= 0; i
< attrib_count
; ++i
) {
5754 for (unsigned chan
= 0; chan
< 4; chan
++) {
5755 ctx
->abi
->outputs
[radeon_llvm_reg_index_soa(output_loc
+ i
, chan
)] =
5756 si_build_alloca_undef(&ctx
->ac
, ctx
->ac
.f32
, "");
5762 glsl_base_to_llvm_type(struct ac_llvm_context
*ac
,
5763 enum glsl_base_type type
)
5767 case GLSL_TYPE_UINT
:
5768 case GLSL_TYPE_BOOL
:
5769 case GLSL_TYPE_SUBROUTINE
:
5771 case GLSL_TYPE_FLOAT
: /* TODO handle mediump */
5773 case GLSL_TYPE_INT64
:
5774 case GLSL_TYPE_UINT64
:
5776 case GLSL_TYPE_DOUBLE
:
5779 unreachable("unknown GLSL type");
5784 glsl_to_llvm_type(struct ac_llvm_context
*ac
,
5785 const struct glsl_type
*type
)
5787 if (glsl_type_is_scalar(type
)) {
5788 return glsl_base_to_llvm_type(ac
, glsl_get_base_type(type
));
5791 if (glsl_type_is_vector(type
)) {
5792 return LLVMVectorType(
5793 glsl_base_to_llvm_type(ac
, glsl_get_base_type(type
)),
5794 glsl_get_vector_elements(type
));
5797 if (glsl_type_is_matrix(type
)) {
5798 return LLVMArrayType(
5799 glsl_to_llvm_type(ac
, glsl_get_column_type(type
)),
5800 glsl_get_matrix_columns(type
));
5803 if (glsl_type_is_array(type
)) {
5804 return LLVMArrayType(
5805 glsl_to_llvm_type(ac
, glsl_get_array_element(type
)),
5806 glsl_get_length(type
));
5809 assert(glsl_type_is_struct(type
));
5811 LLVMTypeRef member_types
[glsl_get_length(type
)];
5813 for (unsigned i
= 0; i
< glsl_get_length(type
); i
++) {
5815 glsl_to_llvm_type(ac
,
5816 glsl_get_struct_field(type
, i
));
5819 return LLVMStructTypeInContext(ac
->context
, member_types
,
5820 glsl_get_length(type
), false);
5824 setup_locals(struct ac_nir_context
*ctx
,
5825 struct nir_function
*func
)
5828 ctx
->num_locals
= 0;
5829 nir_foreach_variable(variable
, &func
->impl
->locals
) {
5830 unsigned attrib_count
= glsl_count_attribute_slots(variable
->type
, false);
5831 variable
->data
.driver_location
= ctx
->num_locals
* 4;
5832 variable
->data
.location_frac
= 0;
5833 ctx
->num_locals
+= attrib_count
;
5835 ctx
->locals
= malloc(4 * ctx
->num_locals
* sizeof(LLVMValueRef
));
5839 for (i
= 0; i
< ctx
->num_locals
; i
++) {
5840 for (j
= 0; j
< 4; j
++) {
5841 ctx
->locals
[i
* 4 + j
] =
5842 si_build_alloca_undef(&ctx
->ac
, ctx
->ac
.f32
, "temp");
5848 setup_shared(struct ac_nir_context
*ctx
,
5849 struct nir_shader
*nir
)
5851 nir_foreach_variable(variable
, &nir
->shared
) {
5852 LLVMValueRef shared
=
5853 LLVMAddGlobalInAddressSpace(
5854 ctx
->ac
.module
, glsl_to_llvm_type(&ctx
->ac
, variable
->type
),
5855 variable
->name
? variable
->name
: "",
5856 AC_LOCAL_ADDR_SPACE
);
5857 _mesa_hash_table_insert(ctx
->vars
, variable
, shared
);
5861 /* Initialize arguments for the shader export intrinsic */
5863 si_llvm_init_export_args(struct radv_shader_context
*ctx
,
5864 LLVMValueRef
*values
,
5866 struct ac_export_args
*args
)
5868 /* Default is 0xf. Adjusted below depending on the format. */
5869 args
->enabled_channels
= 0xf;
5871 /* Specify whether the EXEC mask represents the valid mask */
5872 args
->valid_mask
= 0;
5874 /* Specify whether this is the last export */
5877 /* Specify the target we are exporting */
5878 args
->target
= target
;
5880 args
->compr
= false;
5881 args
->out
[0] = LLVMGetUndef(ctx
->ac
.f32
);
5882 args
->out
[1] = LLVMGetUndef(ctx
->ac
.f32
);
5883 args
->out
[2] = LLVMGetUndef(ctx
->ac
.f32
);
5884 args
->out
[3] = LLVMGetUndef(ctx
->ac
.f32
);
5886 if (ctx
->stage
== MESA_SHADER_FRAGMENT
&& target
>= V_008DFC_SQ_EXP_MRT
) {
5887 unsigned index
= target
- V_008DFC_SQ_EXP_MRT
;
5888 unsigned col_format
= (ctx
->options
->key
.fs
.col_format
>> (4 * index
)) & 0xf;
5889 bool is_int8
= (ctx
->options
->key
.fs
.is_int8
>> index
) & 1;
5890 bool is_int10
= (ctx
->options
->key
.fs
.is_int10
>> index
) & 1;
5893 LLVMValueRef (*packf
)(struct ac_llvm_context
*ctx
, LLVMValueRef args
[2]) = NULL
;
5894 LLVMValueRef (*packi
)(struct ac_llvm_context
*ctx
, LLVMValueRef args
[2],
5895 unsigned bits
, bool hi
) = NULL
;
5897 switch(col_format
) {
5898 case V_028714_SPI_SHADER_ZERO
:
5899 args
->enabled_channels
= 0; /* writemask */
5900 args
->target
= V_008DFC_SQ_EXP_NULL
;
5903 case V_028714_SPI_SHADER_32_R
:
5904 args
->enabled_channels
= 1;
5905 args
->out
[0] = values
[0];
5908 case V_028714_SPI_SHADER_32_GR
:
5909 args
->enabled_channels
= 0x3;
5910 args
->out
[0] = values
[0];
5911 args
->out
[1] = values
[1];
5914 case V_028714_SPI_SHADER_32_AR
:
5915 args
->enabled_channels
= 0x9;
5916 args
->out
[0] = values
[0];
5917 args
->out
[3] = values
[3];
5920 case V_028714_SPI_SHADER_FP16_ABGR
:
5921 packf
= ac_build_cvt_pkrtz_f16
;
5924 case V_028714_SPI_SHADER_UNORM16_ABGR
:
5925 packf
= ac_build_cvt_pknorm_u16
;
5928 case V_028714_SPI_SHADER_SNORM16_ABGR
:
5929 packf
= ac_build_cvt_pknorm_i16
;
5932 case V_028714_SPI_SHADER_UINT16_ABGR
:
5933 packi
= ac_build_cvt_pk_u16
;
5936 case V_028714_SPI_SHADER_SINT16_ABGR
:
5937 packi
= ac_build_cvt_pk_i16
;
5941 case V_028714_SPI_SHADER_32_ABGR
:
5942 memcpy(&args
->out
[0], values
, sizeof(values
[0]) * 4);
5946 /* Pack f16 or norm_i16/u16. */
5948 for (chan
= 0; chan
< 2; chan
++) {
5949 LLVMValueRef pack_args
[2] = {
5951 values
[2 * chan
+ 1]
5953 LLVMValueRef packed
;
5955 packed
= packf(&ctx
->ac
, pack_args
);
5956 args
->out
[chan
] = ac_to_float(&ctx
->ac
, packed
);
5958 args
->compr
= 1; /* COMPR flag */
5963 for (chan
= 0; chan
< 2; chan
++) {
5964 LLVMValueRef pack_args
[2] = {
5965 ac_to_integer(&ctx
->ac
, values
[2 * chan
]),
5966 ac_to_integer(&ctx
->ac
, values
[2 * chan
+ 1])
5968 LLVMValueRef packed
;
5970 packed
= packi(&ctx
->ac
, pack_args
,
5971 is_int8
? 8 : is_int10
? 10 : 16,
5973 args
->out
[chan
] = ac_to_float(&ctx
->ac
, packed
);
5975 args
->compr
= 1; /* COMPR flag */
5980 memcpy(&args
->out
[0], values
, sizeof(values
[0]) * 4);
5982 for (unsigned i
= 0; i
< 4; ++i
)
5983 args
->out
[i
] = ac_to_float(&ctx
->ac
, args
->out
[i
]);
5987 radv_export_param(struct radv_shader_context
*ctx
, unsigned index
,
5988 LLVMValueRef
*values
)
5990 struct ac_export_args args
;
5992 si_llvm_init_export_args(ctx
, values
,
5993 V_008DFC_SQ_EXP_PARAM
+ index
, &args
);
5994 ac_build_export(&ctx
->ac
, &args
);
5998 radv_load_output(struct radv_shader_context
*ctx
, unsigned index
, unsigned chan
)
6000 LLVMValueRef output
=
6001 ctx
->abi
.outputs
[radeon_llvm_reg_index_soa(index
, chan
)];
6003 return LLVMBuildLoad(ctx
->ac
.builder
, output
, "");
6007 handle_vs_outputs_post(struct radv_shader_context
*ctx
,
6008 bool export_prim_id
,
6009 struct ac_vs_output_info
*outinfo
)
6011 uint32_t param_count
= 0;
6013 unsigned pos_idx
, num_pos_exports
= 0;
6014 struct ac_export_args args
, pos_args
[4] = {};
6015 LLVMValueRef psize_value
= NULL
, layer_value
= NULL
, viewport_index_value
= NULL
;
6018 if (ctx
->options
->key
.has_multiview_view_index
) {
6019 LLVMValueRef
* tmp_out
= &ctx
->abi
.outputs
[radeon_llvm_reg_index_soa(VARYING_SLOT_LAYER
, 0)];
6021 for(unsigned i
= 0; i
< 4; ++i
)
6022 ctx
->abi
.outputs
[radeon_llvm_reg_index_soa(VARYING_SLOT_LAYER
, i
)] =
6023 si_build_alloca_undef(&ctx
->ac
, ctx
->ac
.f32
, "");
6026 LLVMBuildStore(ctx
->ac
.builder
, ac_to_float(&ctx
->ac
, ctx
->abi
.view_index
), *tmp_out
);
6027 ctx
->output_mask
|= 1ull << VARYING_SLOT_LAYER
;
6030 memset(outinfo
->vs_output_param_offset
, AC_EXP_PARAM_UNDEFINED
,
6031 sizeof(outinfo
->vs_output_param_offset
));
6033 if (ctx
->output_mask
& (1ull << VARYING_SLOT_CLIP_DIST0
)) {
6034 LLVMValueRef slots
[8];
6037 if (outinfo
->cull_dist_mask
)
6038 outinfo
->cull_dist_mask
<<= ctx
->num_output_clips
;
6040 i
= VARYING_SLOT_CLIP_DIST0
;
6041 for (j
= 0; j
< ctx
->num_output_clips
+ ctx
->num_output_culls
; j
++)
6042 slots
[j
] = ac_to_float(&ctx
->ac
, radv_load_output(ctx
, i
, j
));
6044 for (i
= ctx
->num_output_clips
+ ctx
->num_output_culls
; i
< 8; i
++)
6045 slots
[i
] = LLVMGetUndef(ctx
->ac
.f32
);
6047 if (ctx
->num_output_clips
+ ctx
->num_output_culls
> 4) {
6048 target
= V_008DFC_SQ_EXP_POS
+ 3;
6049 si_llvm_init_export_args(ctx
, &slots
[4], target
, &args
);
6050 memcpy(&pos_args
[target
- V_008DFC_SQ_EXP_POS
],
6051 &args
, sizeof(args
));
6054 target
= V_008DFC_SQ_EXP_POS
+ 2;
6055 si_llvm_init_export_args(ctx
, &slots
[0], target
, &args
);
6056 memcpy(&pos_args
[target
- V_008DFC_SQ_EXP_POS
],
6057 &args
, sizeof(args
));
6061 LLVMValueRef pos_values
[4] = {ctx
->ac
.f32_0
, ctx
->ac
.f32_0
, ctx
->ac
.f32_0
, ctx
->ac
.f32_1
};
6062 if (ctx
->output_mask
& (1ull << VARYING_SLOT_POS
)) {
6063 for (unsigned j
= 0; j
< 4; j
++)
6064 pos_values
[j
] = radv_load_output(ctx
, VARYING_SLOT_POS
, j
);
6066 si_llvm_init_export_args(ctx
, pos_values
, V_008DFC_SQ_EXP_POS
, &pos_args
[0]);
6068 if (ctx
->output_mask
& (1ull << VARYING_SLOT_PSIZ
)) {
6069 outinfo
->writes_pointsize
= true;
6070 psize_value
= radv_load_output(ctx
, VARYING_SLOT_PSIZ
, 0);
6073 if (ctx
->output_mask
& (1ull << VARYING_SLOT_LAYER
)) {
6074 outinfo
->writes_layer
= true;
6075 layer_value
= radv_load_output(ctx
, VARYING_SLOT_LAYER
, 0);
6078 if (ctx
->output_mask
& (1ull << VARYING_SLOT_VIEWPORT
)) {
6079 outinfo
->writes_viewport_index
= true;
6080 viewport_index_value
= radv_load_output(ctx
, VARYING_SLOT_VIEWPORT
, 0);
6083 if (outinfo
->writes_pointsize
||
6084 outinfo
->writes_layer
||
6085 outinfo
->writes_viewport_index
) {
6086 pos_args
[1].enabled_channels
= ((outinfo
->writes_pointsize
== true ? 1 : 0) |
6087 (outinfo
->writes_layer
== true ? 4 : 0));
6088 pos_args
[1].valid_mask
= 0;
6089 pos_args
[1].done
= 0;
6090 pos_args
[1].target
= V_008DFC_SQ_EXP_POS
+ 1;
6091 pos_args
[1].compr
= 0;
6092 pos_args
[1].out
[0] = ctx
->ac
.f32_0
; /* X */
6093 pos_args
[1].out
[1] = ctx
->ac
.f32_0
; /* Y */
6094 pos_args
[1].out
[2] = ctx
->ac
.f32_0
; /* Z */
6095 pos_args
[1].out
[3] = ctx
->ac
.f32_0
; /* W */
6097 if (outinfo
->writes_pointsize
== true)
6098 pos_args
[1].out
[0] = psize_value
;
6099 if (outinfo
->writes_layer
== true)
6100 pos_args
[1].out
[2] = layer_value
;
6101 if (outinfo
->writes_viewport_index
== true) {
6102 if (ctx
->options
->chip_class
>= GFX9
) {
6103 /* GFX9 has the layer in out.z[10:0] and the viewport
6104 * index in out.z[19:16].
6106 LLVMValueRef v
= viewport_index_value
;
6107 v
= ac_to_integer(&ctx
->ac
, v
);
6108 v
= LLVMBuildShl(ctx
->ac
.builder
, v
,
6109 LLVMConstInt(ctx
->ac
.i32
, 16, false),
6111 v
= LLVMBuildOr(ctx
->ac
.builder
, v
,
6112 ac_to_integer(&ctx
->ac
, pos_args
[1].out
[2]), "");
6114 pos_args
[1].out
[2] = ac_to_float(&ctx
->ac
, v
);
6115 pos_args
[1].enabled_channels
|= 1 << 2;
6117 pos_args
[1].out
[3] = viewport_index_value
;
6118 pos_args
[1].enabled_channels
|= 1 << 3;
6122 for (i
= 0; i
< 4; i
++) {
6123 if (pos_args
[i
].out
[0])
6128 for (i
= 0; i
< 4; i
++) {
6129 if (!pos_args
[i
].out
[0])
6132 /* Specify the target we are exporting */
6133 pos_args
[i
].target
= V_008DFC_SQ_EXP_POS
+ pos_idx
++;
6134 if (pos_idx
== num_pos_exports
)
6135 pos_args
[i
].done
= 1;
6136 ac_build_export(&ctx
->ac
, &pos_args
[i
]);
6139 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
6140 LLVMValueRef values
[4];
6141 if (!(ctx
->output_mask
& (1ull << i
)))
6144 if (i
!= VARYING_SLOT_LAYER
&&
6145 i
!= VARYING_SLOT_PRIMITIVE_ID
&&
6146 i
< VARYING_SLOT_VAR0
)
6149 for (unsigned j
= 0; j
< 4; j
++)
6150 values
[j
] = ac_to_float(&ctx
->ac
, radv_load_output(ctx
, i
, j
));
6152 radv_export_param(ctx
, param_count
, values
);
6154 outinfo
->vs_output_param_offset
[i
] = param_count
++;
6157 if (export_prim_id
) {
6158 LLVMValueRef values
[4];
6160 values
[0] = ctx
->vs_prim_id
;
6161 ctx
->shader_info
->vs
.vgpr_comp_cnt
= MAX2(2,
6162 ctx
->shader_info
->vs
.vgpr_comp_cnt
);
6163 for (unsigned j
= 1; j
< 4; j
++)
6164 values
[j
] = ctx
->ac
.f32_0
;
6166 radv_export_param(ctx
, param_count
, values
);
6168 outinfo
->vs_output_param_offset
[VARYING_SLOT_PRIMITIVE_ID
] = param_count
++;
6169 outinfo
->export_prim_id
= true;
6172 outinfo
->pos_exports
= num_pos_exports
;
6173 outinfo
->param_exports
= param_count
;
6177 handle_es_outputs_post(struct radv_shader_context
*ctx
,
6178 struct ac_es_output_info
*outinfo
)
6181 uint64_t max_output_written
= 0;
6182 LLVMValueRef lds_base
= NULL
;
6184 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
6188 if (!(ctx
->output_mask
& (1ull << i
)))
6191 if (i
== VARYING_SLOT_CLIP_DIST0
)
6192 length
= ctx
->num_output_clips
+ ctx
->num_output_culls
;
6194 param_index
= shader_io_get_unique_index(i
);
6196 max_output_written
= MAX2(param_index
+ (length
> 4), max_output_written
);
6199 outinfo
->esgs_itemsize
= (max_output_written
+ 1) * 16;
6201 if (ctx
->ac
.chip_class
>= GFX9
) {
6202 unsigned itemsize_dw
= outinfo
->esgs_itemsize
/ 4;
6203 LLVMValueRef vertex_idx
= ac_get_thread_id(&ctx
->ac
);
6204 LLVMValueRef wave_idx
= ac_build_bfe(&ctx
->ac
, ctx
->merged_wave_info
,
6205 LLVMConstInt(ctx
->ac
.i32
, 24, false),
6206 LLVMConstInt(ctx
->ac
.i32
, 4, false), false);
6207 vertex_idx
= LLVMBuildOr(ctx
->ac
.builder
, vertex_idx
,
6208 LLVMBuildMul(ctx
->ac
.builder
, wave_idx
,
6209 LLVMConstInt(ctx
->ac
.i32
, 64, false), ""), "");
6210 lds_base
= LLVMBuildMul(ctx
->ac
.builder
, vertex_idx
,
6211 LLVMConstInt(ctx
->ac
.i32
, itemsize_dw
, 0), "");
6214 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
6215 LLVMValueRef dw_addr
= NULL
;
6216 LLVMValueRef
*out_ptr
= &ctx
->abi
.outputs
[i
* 4];
6220 if (!(ctx
->output_mask
& (1ull << i
)))
6223 if (i
== VARYING_SLOT_CLIP_DIST0
)
6224 length
= ctx
->num_output_clips
+ ctx
->num_output_culls
;
6226 param_index
= shader_io_get_unique_index(i
);
6229 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, lds_base
,
6230 LLVMConstInt(ctx
->ac
.i32
, param_index
* 4, false),
6233 for (j
= 0; j
< length
; j
++) {
6234 LLVMValueRef out_val
= LLVMBuildLoad(ctx
->ac
.builder
, out_ptr
[j
], "");
6235 out_val
= LLVMBuildBitCast(ctx
->ac
.builder
, out_val
, ctx
->ac
.i32
, "");
6237 if (ctx
->ac
.chip_class
>= GFX9
) {
6238 ac_lds_store(&ctx
->ac
, dw_addr
,
6239 LLVMBuildLoad(ctx
->ac
.builder
, out_ptr
[j
], ""));
6240 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
, ctx
->ac
.i32_1
, "");
6242 ac_build_buffer_store_dword(&ctx
->ac
,
6245 NULL
, ctx
->es2gs_offset
,
6246 (4 * param_index
+ j
) * 4,
6254 handle_ls_outputs_post(struct radv_shader_context
*ctx
)
6256 LLVMValueRef vertex_id
= ctx
->rel_auto_id
;
6257 LLVMValueRef vertex_dw_stride
= unpack_param(&ctx
->ac
, ctx
->ls_out_layout
, 13, 8);
6258 LLVMValueRef base_dw_addr
= LLVMBuildMul(ctx
->ac
.builder
, vertex_id
,
6259 vertex_dw_stride
, "");
6261 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
6262 LLVMValueRef
*out_ptr
= &ctx
->abi
.outputs
[i
* 4];
6265 if (!(ctx
->output_mask
& (1ull << i
)))
6268 if (i
== VARYING_SLOT_CLIP_DIST0
)
6269 length
= ctx
->num_output_clips
+ ctx
->num_output_culls
;
6270 int param
= shader_io_get_unique_index(i
);
6271 mark_tess_output(ctx
, false, param
);
6273 mark_tess_output(ctx
, false, param
+ 1);
6274 LLVMValueRef dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, base_dw_addr
,
6275 LLVMConstInt(ctx
->ac
.i32
, param
* 4, false),
6277 for (unsigned j
= 0; j
< length
; j
++) {
6278 ac_lds_store(&ctx
->ac
, dw_addr
,
6279 LLVMBuildLoad(ctx
->ac
.builder
, out_ptr
[j
], ""));
6280 dw_addr
= LLVMBuildAdd(ctx
->ac
.builder
, dw_addr
, ctx
->ac
.i32_1
, "");
6285 struct ac_build_if_state
6287 struct radv_shader_context
*ctx
;
6288 LLVMValueRef condition
;
6289 LLVMBasicBlockRef entry_block
;
6290 LLVMBasicBlockRef true_block
;
6291 LLVMBasicBlockRef false_block
;
6292 LLVMBasicBlockRef merge_block
;
6295 static LLVMBasicBlockRef
6296 ac_build_insert_new_block(struct radv_shader_context
*ctx
, const char *name
)
6298 LLVMBasicBlockRef current_block
;
6299 LLVMBasicBlockRef next_block
;
6300 LLVMBasicBlockRef new_block
;
6302 /* get current basic block */
6303 current_block
= LLVMGetInsertBlock(ctx
->ac
.builder
);
6305 /* chqeck if there's another block after this one */
6306 next_block
= LLVMGetNextBasicBlock(current_block
);
6308 /* insert the new block before the next block */
6309 new_block
= LLVMInsertBasicBlockInContext(ctx
->context
, next_block
, name
);
6312 /* append new block after current block */
6313 LLVMValueRef function
= LLVMGetBasicBlockParent(current_block
);
6314 new_block
= LLVMAppendBasicBlockInContext(ctx
->context
, function
, name
);
6320 ac_nir_build_if(struct ac_build_if_state
*ifthen
,
6321 struct radv_shader_context
*ctx
,
6322 LLVMValueRef condition
)
6324 LLVMBasicBlockRef block
= LLVMGetInsertBlock(ctx
->ac
.builder
);
6326 memset(ifthen
, 0, sizeof *ifthen
);
6328 ifthen
->condition
= condition
;
6329 ifthen
->entry_block
= block
;
6331 /* create endif/merge basic block for the phi functions */
6332 ifthen
->merge_block
= ac_build_insert_new_block(ctx
, "endif-block");
6334 /* create/insert true_block before merge_block */
6335 ifthen
->true_block
=
6336 LLVMInsertBasicBlockInContext(ctx
->context
,
6337 ifthen
->merge_block
,
6340 /* successive code goes into the true block */
6341 LLVMPositionBuilderAtEnd(ctx
->ac
.builder
, ifthen
->true_block
);
6345 * End a conditional.
6348 ac_nir_build_endif(struct ac_build_if_state
*ifthen
)
6350 LLVMBuilderRef builder
= ifthen
->ctx
->ac
.builder
;
6352 /* Insert branch to the merge block from current block */
6353 LLVMBuildBr(builder
, ifthen
->merge_block
);
6356 * Now patch in the various branch instructions.
6359 /* Insert the conditional branch instruction at the end of entry_block */
6360 LLVMPositionBuilderAtEnd(builder
, ifthen
->entry_block
);
6361 if (ifthen
->false_block
) {
6362 /* we have an else clause */
6363 LLVMBuildCondBr(builder
, ifthen
->condition
,
6364 ifthen
->true_block
, ifthen
->false_block
);
6367 /* no else clause */
6368 LLVMBuildCondBr(builder
, ifthen
->condition
,
6369 ifthen
->true_block
, ifthen
->merge_block
);
6372 /* Resume building code at end of the ifthen->merge_block */
6373 LLVMPositionBuilderAtEnd(builder
, ifthen
->merge_block
);
6377 write_tess_factors(struct radv_shader_context
*ctx
)
6379 unsigned stride
, outer_comps
, inner_comps
;
6380 struct ac_build_if_state if_ctx
, inner_if_ctx
;
6381 LLVMValueRef invocation_id
= unpack_param(&ctx
->ac
, ctx
->abi
.tcs_rel_ids
, 8, 5);
6382 LLVMValueRef rel_patch_id
= unpack_param(&ctx
->ac
, ctx
->abi
.tcs_rel_ids
, 0, 8);
6383 unsigned tess_inner_index
= 0, tess_outer_index
;
6384 LLVMValueRef lds_base
, lds_inner
= NULL
, lds_outer
, byteoffset
, buffer
;
6385 LLVMValueRef out
[6], vec0
, vec1
, tf_base
, inner
[4], outer
[4];
6387 emit_barrier(&ctx
->ac
, ctx
->stage
);
6389 switch (ctx
->options
->key
.tcs
.primitive_mode
) {
6409 ac_nir_build_if(&if_ctx
, ctx
,
6410 LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
,
6411 invocation_id
, ctx
->ac
.i32_0
, ""));
6413 lds_base
= get_tcs_out_current_patch_data_offset(ctx
);
6416 tess_inner_index
= shader_io_get_unique_index(VARYING_SLOT_TESS_LEVEL_INNER
);
6417 mark_tess_output(ctx
, true, tess_inner_index
);
6418 lds_inner
= LLVMBuildAdd(ctx
->ac
.builder
, lds_base
,
6419 LLVMConstInt(ctx
->ac
.i32
, tess_inner_index
* 4, false), "");
6422 tess_outer_index
= shader_io_get_unique_index(VARYING_SLOT_TESS_LEVEL_OUTER
);
6423 mark_tess_output(ctx
, true, tess_outer_index
);
6424 lds_outer
= LLVMBuildAdd(ctx
->ac
.builder
, lds_base
,
6425 LLVMConstInt(ctx
->ac
.i32
, tess_outer_index
* 4, false), "");
6427 for (i
= 0; i
< 4; i
++) {
6428 inner
[i
] = LLVMGetUndef(ctx
->ac
.i32
);
6429 outer
[i
] = LLVMGetUndef(ctx
->ac
.i32
);
6433 if (ctx
->options
->key
.tcs
.primitive_mode
== GL_ISOLINES
) {
6434 outer
[0] = out
[1] = ac_lds_load(&ctx
->ac
, lds_outer
);
6435 lds_outer
= LLVMBuildAdd(ctx
->ac
.builder
, lds_outer
,
6437 outer
[1] = out
[0] = ac_lds_load(&ctx
->ac
, lds_outer
);
6439 for (i
= 0; i
< outer_comps
; i
++) {
6441 ac_lds_load(&ctx
->ac
, lds_outer
);
6442 lds_outer
= LLVMBuildAdd(ctx
->ac
.builder
, lds_outer
,
6445 for (i
= 0; i
< inner_comps
; i
++) {
6446 inner
[i
] = out
[outer_comps
+i
] =
6447 ac_lds_load(&ctx
->ac
, lds_inner
);
6448 lds_inner
= LLVMBuildAdd(ctx
->ac
.builder
, lds_inner
,
6453 /* Convert the outputs to vectors for stores. */
6454 vec0
= ac_build_gather_values(&ctx
->ac
, out
, MIN2(stride
, 4));
6458 vec1
= ac_build_gather_values(&ctx
->ac
, out
+ 4, stride
- 4);
6461 buffer
= ctx
->hs_ring_tess_factor
;
6462 tf_base
= ctx
->tess_factor_offset
;
6463 byteoffset
= LLVMBuildMul(ctx
->ac
.builder
, rel_patch_id
,
6464 LLVMConstInt(ctx
->ac
.i32
, 4 * stride
, false), "");
6465 unsigned tf_offset
= 0;
6467 if (ctx
->options
->chip_class
<= VI
) {
6468 ac_nir_build_if(&inner_if_ctx
, ctx
,
6469 LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
,
6470 rel_patch_id
, ctx
->ac
.i32_0
, ""));
6472 /* Store the dynamic HS control word. */
6473 ac_build_buffer_store_dword(&ctx
->ac
, buffer
,
6474 LLVMConstInt(ctx
->ac
.i32
, 0x80000000, false),
6475 1, ctx
->ac
.i32_0
, tf_base
,
6476 0, 1, 0, true, false);
6479 ac_nir_build_endif(&inner_if_ctx
);
6482 /* Store the tessellation factors. */
6483 ac_build_buffer_store_dword(&ctx
->ac
, buffer
, vec0
,
6484 MIN2(stride
, 4), byteoffset
, tf_base
,
6485 tf_offset
, 1, 0, true, false);
6487 ac_build_buffer_store_dword(&ctx
->ac
, buffer
, vec1
,
6488 stride
- 4, byteoffset
, tf_base
,
6489 16 + tf_offset
, 1, 0, true, false);
6491 //store to offchip for TES to read - only if TES reads them
6492 if (ctx
->options
->key
.tcs
.tes_reads_tess_factors
) {
6493 LLVMValueRef inner_vec
, outer_vec
, tf_outer_offset
;
6494 LLVMValueRef tf_inner_offset
;
6495 unsigned param_outer
, param_inner
;
6497 param_outer
= shader_io_get_unique_index(VARYING_SLOT_TESS_LEVEL_OUTER
);
6498 tf_outer_offset
= get_tcs_tes_buffer_address(ctx
, NULL
,
6499 LLVMConstInt(ctx
->ac
.i32
, param_outer
, 0));
6501 outer_vec
= ac_build_gather_values(&ctx
->ac
, outer
,
6502 util_next_power_of_two(outer_comps
));
6504 ac_build_buffer_store_dword(&ctx
->ac
, ctx
->hs_ring_tess_offchip
, outer_vec
,
6505 outer_comps
, tf_outer_offset
,
6506 ctx
->oc_lds
, 0, 1, 0, true, false);
6508 param_inner
= shader_io_get_unique_index(VARYING_SLOT_TESS_LEVEL_INNER
);
6509 tf_inner_offset
= get_tcs_tes_buffer_address(ctx
, NULL
,
6510 LLVMConstInt(ctx
->ac
.i32
, param_inner
, 0));
6512 inner_vec
= inner_comps
== 1 ? inner
[0] :
6513 ac_build_gather_values(&ctx
->ac
, inner
, inner_comps
);
6514 ac_build_buffer_store_dword(&ctx
->ac
, ctx
->hs_ring_tess_offchip
, inner_vec
,
6515 inner_comps
, tf_inner_offset
,
6516 ctx
->oc_lds
, 0, 1, 0, true, false);
6519 ac_nir_build_endif(&if_ctx
);
6523 handle_tcs_outputs_post(struct radv_shader_context
*ctx
)
6525 write_tess_factors(ctx
);
6529 si_export_mrt_color(struct radv_shader_context
*ctx
,
6530 LLVMValueRef
*color
, unsigned index
, bool is_last
,
6531 struct ac_export_args
*args
)
6534 si_llvm_init_export_args(ctx
, color
,
6535 V_008DFC_SQ_EXP_MRT
+ index
, args
);
6538 args
->valid_mask
= 1; /* whether the EXEC mask is valid */
6539 args
->done
= 1; /* DONE bit */
6540 } else if (!args
->enabled_channels
)
6541 return false; /* unnecessary NULL export */
6547 radv_export_mrt_z(struct radv_shader_context
*ctx
,
6548 LLVMValueRef depth
, LLVMValueRef stencil
,
6549 LLVMValueRef samplemask
)
6551 struct ac_export_args args
;
6553 ac_export_mrt_z(&ctx
->ac
, depth
, stencil
, samplemask
, &args
);
6555 ac_build_export(&ctx
->ac
, &args
);
6559 handle_fs_outputs_post(struct radv_shader_context
*ctx
)
6562 LLVMValueRef depth
= NULL
, stencil
= NULL
, samplemask
= NULL
;
6563 struct ac_export_args color_args
[8];
6565 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
6566 LLVMValueRef values
[4];
6569 if (!(ctx
->output_mask
& (1ull << i
)))
6572 if (i
< FRAG_RESULT_DATA0
)
6575 for (unsigned j
= 0; j
< 4; j
++)
6576 values
[j
] = ac_to_float(&ctx
->ac
,
6577 radv_load_output(ctx
, i
, j
));
6579 if (!ctx
->shader_info
->info
.ps
.writes_z
&&
6580 !ctx
->shader_info
->info
.ps
.writes_stencil
&&
6581 !ctx
->shader_info
->info
.ps
.writes_sample_mask
)
6582 last
= ctx
->output_mask
<= ((1ull << (i
+ 1)) - 1);
6584 bool ret
= si_export_mrt_color(ctx
, values
,
6585 i
- FRAG_RESULT_DATA0
,
6586 last
, &color_args
[index
]);
6591 /* Process depth, stencil, samplemask. */
6592 if (ctx
->shader_info
->info
.ps
.writes_z
) {
6593 depth
= ac_to_float(&ctx
->ac
,
6594 radv_load_output(ctx
, FRAG_RESULT_DEPTH
, 0));
6596 if (ctx
->shader_info
->info
.ps
.writes_stencil
) {
6597 stencil
= ac_to_float(&ctx
->ac
,
6598 radv_load_output(ctx
, FRAG_RESULT_STENCIL
, 0));
6600 if (ctx
->shader_info
->info
.ps
.writes_sample_mask
) {
6601 samplemask
= ac_to_float(&ctx
->ac
,
6602 radv_load_output(ctx
, FRAG_RESULT_SAMPLE_MASK
, 0));
6605 /* Export PS outputs. */
6606 for (unsigned i
= 0; i
< index
; i
++)
6607 ac_build_export(&ctx
->ac
, &color_args
[i
]);
6609 if (depth
|| stencil
|| samplemask
)
6610 radv_export_mrt_z(ctx
, depth
, stencil
, samplemask
);
6612 ac_build_export_null(&ctx
->ac
);
6616 emit_gs_epilogue(struct radv_shader_context
*ctx
)
6618 ac_build_sendmsg(&ctx
->ac
, AC_SENDMSG_GS_OP_NOP
| AC_SENDMSG_GS_DONE
, ctx
->gs_wave_id
);
6622 handle_shader_outputs_post(struct ac_shader_abi
*abi
, unsigned max_outputs
,
6623 LLVMValueRef
*addrs
)
6625 struct radv_shader_context
*ctx
= radv_shader_context_from_abi(abi
);
6627 switch (ctx
->stage
) {
6628 case MESA_SHADER_VERTEX
:
6629 if (ctx
->options
->key
.vs
.as_ls
)
6630 handle_ls_outputs_post(ctx
);
6631 else if (ctx
->options
->key
.vs
.as_es
)
6632 handle_es_outputs_post(ctx
, &ctx
->shader_info
->vs
.es_info
);
6634 handle_vs_outputs_post(ctx
, ctx
->options
->key
.vs
.export_prim_id
,
6635 &ctx
->shader_info
->vs
.outinfo
);
6637 case MESA_SHADER_FRAGMENT
:
6638 handle_fs_outputs_post(ctx
);
6640 case MESA_SHADER_GEOMETRY
:
6641 emit_gs_epilogue(ctx
);
6643 case MESA_SHADER_TESS_CTRL
:
6644 handle_tcs_outputs_post(ctx
);
6646 case MESA_SHADER_TESS_EVAL
:
6647 if (ctx
->options
->key
.tes
.as_es
)
6648 handle_es_outputs_post(ctx
, &ctx
->shader_info
->tes
.es_info
);
6650 handle_vs_outputs_post(ctx
, ctx
->options
->key
.tes
.export_prim_id
,
6651 &ctx
->shader_info
->tes
.outinfo
);
6658 static void ac_llvm_finalize_module(struct radv_shader_context
*ctx
)
6660 LLVMPassManagerRef passmgr
;
6661 /* Create the pass manager */
6662 passmgr
= LLVMCreateFunctionPassManagerForModule(
6665 /* This pass should eliminate all the load and store instructions */
6666 LLVMAddPromoteMemoryToRegisterPass(passmgr
);
6668 /* Add some optimization passes */
6669 LLVMAddScalarReplAggregatesPass(passmgr
);
6670 LLVMAddLICMPass(passmgr
);
6671 LLVMAddAggressiveDCEPass(passmgr
);
6672 LLVMAddCFGSimplificationPass(passmgr
);
6673 LLVMAddInstructionCombiningPass(passmgr
);
6676 LLVMInitializeFunctionPassManager(passmgr
);
6677 LLVMRunFunctionPassManager(passmgr
, ctx
->main_function
);
6678 LLVMFinalizeFunctionPassManager(passmgr
);
6680 LLVMDisposeBuilder(ctx
->ac
.builder
);
6681 LLVMDisposePassManager(passmgr
);
6685 ac_nir_eliminate_const_vs_outputs(struct radv_shader_context
*ctx
)
6687 struct ac_vs_output_info
*outinfo
;
6689 switch (ctx
->stage
) {
6690 case MESA_SHADER_FRAGMENT
:
6691 case MESA_SHADER_COMPUTE
:
6692 case MESA_SHADER_TESS_CTRL
:
6693 case MESA_SHADER_GEOMETRY
:
6695 case MESA_SHADER_VERTEX
:
6696 if (ctx
->options
->key
.vs
.as_ls
||
6697 ctx
->options
->key
.vs
.as_es
)
6699 outinfo
= &ctx
->shader_info
->vs
.outinfo
;
6701 case MESA_SHADER_TESS_EVAL
:
6702 if (ctx
->options
->key
.vs
.as_es
)
6704 outinfo
= &ctx
->shader_info
->tes
.outinfo
;
6707 unreachable("Unhandled shader type");
6710 ac_optimize_vs_outputs(&ctx
->ac
,
6712 outinfo
->vs_output_param_offset
,
6714 &outinfo
->param_exports
);
6718 ac_setup_rings(struct radv_shader_context
*ctx
)
6720 if ((ctx
->stage
== MESA_SHADER_VERTEX
&& ctx
->options
->key
.vs
.as_es
) ||
6721 (ctx
->stage
== MESA_SHADER_TESS_EVAL
&& ctx
->options
->key
.tes
.as_es
)) {
6722 ctx
->esgs_ring
= ac_build_load_to_sgpr(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_ESGS_VS
, false));
6725 if (ctx
->is_gs_copy_shader
) {
6726 ctx
->gsvs_ring
= ac_build_load_to_sgpr(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_GSVS_VS
, false));
6728 if (ctx
->stage
== MESA_SHADER_GEOMETRY
) {
6730 ctx
->esgs_ring
= ac_build_load_to_sgpr(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_ESGS_GS
, false));
6731 ctx
->gsvs_ring
= ac_build_load_to_sgpr(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_GSVS_GS
, false));
6733 ctx
->gsvs_ring
= LLVMBuildBitCast(ctx
->ac
.builder
, ctx
->gsvs_ring
, ctx
->ac
.v4i32
, "");
6735 ctx
->gsvs_ring
= LLVMBuildInsertElement(ctx
->ac
.builder
, ctx
->gsvs_ring
, ctx
->gsvs_num_entries
, LLVMConstInt(ctx
->ac
.i32
, 2, false), "");
6736 tmp
= LLVMBuildExtractElement(ctx
->ac
.builder
, ctx
->gsvs_ring
, ctx
->ac
.i32_1
, "");
6737 tmp
= LLVMBuildOr(ctx
->ac
.builder
, tmp
, ctx
->gsvs_ring_stride
, "");
6738 ctx
->gsvs_ring
= LLVMBuildInsertElement(ctx
->ac
.builder
, ctx
->gsvs_ring
, tmp
, ctx
->ac
.i32_1
, "");
6741 if (ctx
->stage
== MESA_SHADER_TESS_CTRL
||
6742 ctx
->stage
== MESA_SHADER_TESS_EVAL
) {
6743 ctx
->hs_ring_tess_offchip
= ac_build_load_to_sgpr(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_HS_TESS_OFFCHIP
, false));
6744 ctx
->hs_ring_tess_factor
= ac_build_load_to_sgpr(&ctx
->ac
, ctx
->ring_offsets
, LLVMConstInt(ctx
->ac
.i32
, RING_HS_TESS_FACTOR
, false));
6749 ac_nir_get_max_workgroup_size(enum chip_class chip_class
,
6750 const struct nir_shader
*nir
)
6752 switch (nir
->info
.stage
) {
6753 case MESA_SHADER_TESS_CTRL
:
6754 return chip_class
>= CIK
? 128 : 64;
6755 case MESA_SHADER_GEOMETRY
:
6756 return chip_class
>= GFX9
? 128 : 64;
6757 case MESA_SHADER_COMPUTE
:
6763 unsigned max_workgroup_size
= nir
->info
.cs
.local_size
[0] *
6764 nir
->info
.cs
.local_size
[1] *
6765 nir
->info
.cs
.local_size
[2];
6766 return max_workgroup_size
;
6769 /* Fixup the HW not emitting the TCS regs if there are no HS threads. */
6770 static void ac_nir_fixup_ls_hs_input_vgprs(struct radv_shader_context
*ctx
)
6772 LLVMValueRef count
= ac_build_bfe(&ctx
->ac
, ctx
->merged_wave_info
,
6773 LLVMConstInt(ctx
->ac
.i32
, 8, false),
6774 LLVMConstInt(ctx
->ac
.i32
, 8, false), false);
6775 LLVMValueRef hs_empty
= LLVMBuildICmp(ctx
->ac
.builder
, LLVMIntEQ
, count
,
6777 ctx
->abi
.instance_id
= LLVMBuildSelect(ctx
->ac
.builder
, hs_empty
, ctx
->rel_auto_id
, ctx
->abi
.instance_id
, "");
6778 ctx
->vs_prim_id
= LLVMBuildSelect(ctx
->ac
.builder
, hs_empty
, ctx
->abi
.vertex_id
, ctx
->vs_prim_id
, "");
6779 ctx
->rel_auto_id
= LLVMBuildSelect(ctx
->ac
.builder
, hs_empty
, ctx
->abi
.tcs_rel_ids
, ctx
->rel_auto_id
, "");
6780 ctx
->abi
.vertex_id
= LLVMBuildSelect(ctx
->ac
.builder
, hs_empty
, ctx
->abi
.tcs_patch_id
, ctx
->abi
.vertex_id
, "");
6783 static void prepare_gs_input_vgprs(struct radv_shader_context
*ctx
)
6785 for(int i
= 5; i
>= 0; --i
) {
6786 ctx
->gs_vtx_offset
[i
] = ac_build_bfe(&ctx
->ac
, ctx
->gs_vtx_offset
[i
& ~1],
6787 LLVMConstInt(ctx
->ac
.i32
, (i
& 1) * 16, false),
6788 LLVMConstInt(ctx
->ac
.i32
, 16, false), false);
6791 ctx
->gs_wave_id
= ac_build_bfe(&ctx
->ac
, ctx
->merged_wave_info
,
6792 LLVMConstInt(ctx
->ac
.i32
, 16, false),
6793 LLVMConstInt(ctx
->ac
.i32
, 8, false), false);
6796 void ac_nir_translate(struct ac_llvm_context
*ac
, struct ac_shader_abi
*abi
,
6797 struct nir_shader
*nir
)
6799 struct ac_nir_context ctx
= {};
6800 struct nir_function
*func
;
6805 ctx
.stage
= nir
->info
.stage
;
6807 ctx
.main_function
= LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx
.ac
.builder
));
6809 nir_foreach_variable(variable
, &nir
->outputs
)
6810 handle_shader_output_decl(&ctx
, nir
, variable
);
6812 ctx
.defs
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
6813 _mesa_key_pointer_equal
);
6814 ctx
.phis
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
6815 _mesa_key_pointer_equal
);
6816 ctx
.vars
= _mesa_hash_table_create(NULL
, _mesa_hash_pointer
,
6817 _mesa_key_pointer_equal
);
6819 func
= (struct nir_function
*)exec_list_get_head(&nir
->functions
);
6821 setup_locals(&ctx
, func
);
6823 if (nir
->info
.stage
== MESA_SHADER_COMPUTE
)
6824 setup_shared(&ctx
, nir
);
6826 visit_cf_list(&ctx
, &func
->impl
->body
);
6827 phi_post_pass(&ctx
);
6829 if (nir
->info
.stage
!= MESA_SHADER_COMPUTE
)
6830 ctx
.abi
->emit_outputs(ctx
.abi
, AC_LLVM_MAX_OUTPUTS
,
6834 ralloc_free(ctx
.defs
);
6835 ralloc_free(ctx
.phis
);
6836 ralloc_free(ctx
.vars
);
6840 LLVMModuleRef
ac_translate_nir_to_llvm(LLVMTargetMachineRef tm
,
6841 struct nir_shader
*const *shaders
,
6843 struct ac_shader_variant_info
*shader_info
,
6844 const struct ac_nir_compiler_options
*options
)
6846 struct radv_shader_context ctx
= {0};
6848 ctx
.options
= options
;
6849 ctx
.shader_info
= shader_info
;
6850 ctx
.context
= LLVMContextCreate();
6852 ac_llvm_context_init(&ctx
.ac
, ctx
.context
, options
->chip_class
,
6854 ctx
.ac
.module
= LLVMModuleCreateWithNameInContext("shader", ctx
.context
);
6855 LLVMSetTarget(ctx
.ac
.module
, options
->supports_spill
? "amdgcn-mesa-mesa3d" : "amdgcn--");
6857 LLVMTargetDataRef data_layout
= LLVMCreateTargetDataLayout(tm
);
6858 char *data_layout_str
= LLVMCopyStringRepOfTargetData(data_layout
);
6859 LLVMSetDataLayout(ctx
.ac
.module
, data_layout_str
);
6860 LLVMDisposeTargetData(data_layout
);
6861 LLVMDisposeMessage(data_layout_str
);
6863 enum ac_float_mode float_mode
=
6864 options
->unsafe_math
? AC_FLOAT_MODE_UNSAFE_FP_MATH
:
6865 AC_FLOAT_MODE_DEFAULT
;
6867 ctx
.ac
.builder
= ac_create_builder(ctx
.context
, float_mode
);
6869 memset(shader_info
, 0, sizeof(*shader_info
));
6871 for(int i
= 0; i
< shader_count
; ++i
)
6872 ac_nir_shader_info_pass(shaders
[i
], options
, &shader_info
->info
);
6874 for (i
= 0; i
< AC_UD_MAX_SETS
; i
++)
6875 shader_info
->user_sgprs_locs
.descriptor_sets
[i
].sgpr_idx
= -1;
6876 for (i
= 0; i
< AC_UD_MAX_UD
; i
++)
6877 shader_info
->user_sgprs_locs
.shader_data
[i
].sgpr_idx
= -1;
6879 ctx
.max_workgroup_size
= 0;
6880 for (int i
= 0; i
< shader_count
; ++i
) {
6881 ctx
.max_workgroup_size
= MAX2(ctx
.max_workgroup_size
,
6882 ac_nir_get_max_workgroup_size(ctx
.options
->chip_class
,
6886 create_function(&ctx
, shaders
[shader_count
- 1]->info
.stage
, shader_count
>= 2,
6887 shader_count
>= 2 ? shaders
[shader_count
- 2]->info
.stage
: MESA_SHADER_VERTEX
);
6889 ctx
.abi
.inputs
= &ctx
.inputs
[0];
6890 ctx
.abi
.emit_outputs
= handle_shader_outputs_post
;
6891 ctx
.abi
.emit_vertex
= visit_emit_vertex
;
6892 ctx
.abi
.load_ubo
= radv_load_ubo
;
6893 ctx
.abi
.load_ssbo
= radv_load_ssbo
;
6894 ctx
.abi
.load_sampler_desc
= radv_get_sampler_desc
;
6895 ctx
.abi
.load_resource
= radv_load_resource
;
6896 ctx
.abi
.clamp_shadow_reference
= false;
6898 if (shader_count
>= 2)
6899 ac_init_exec_full_mask(&ctx
.ac
);
6901 if (ctx
.ac
.chip_class
== GFX9
&&
6902 shaders
[shader_count
- 1]->info
.stage
== MESA_SHADER_TESS_CTRL
)
6903 ac_nir_fixup_ls_hs_input_vgprs(&ctx
);
6905 for(int i
= 0; i
< shader_count
; ++i
) {
6906 ctx
.stage
= shaders
[i
]->info
.stage
;
6907 ctx
.output_mask
= 0;
6908 ctx
.tess_outputs_written
= 0;
6909 ctx
.num_output_clips
= shaders
[i
]->info
.clip_distance_array_size
;
6910 ctx
.num_output_culls
= shaders
[i
]->info
.cull_distance_array_size
;
6912 if (shaders
[i
]->info
.stage
== MESA_SHADER_GEOMETRY
) {
6913 ctx
.gs_next_vertex
= ac_build_alloca(&ctx
.ac
, ctx
.ac
.i32
, "gs_next_vertex");
6914 ctx
.gs_max_out_vertices
= shaders
[i
]->info
.gs
.vertices_out
;
6915 ctx
.abi
.load_inputs
= load_gs_input
;
6916 ctx
.abi
.emit_primitive
= visit_end_primitive
;
6917 } else if (shaders
[i
]->info
.stage
== MESA_SHADER_TESS_CTRL
) {
6918 ctx
.tcs_outputs_read
= shaders
[i
]->info
.outputs_read
;
6919 ctx
.tcs_patch_outputs_read
= shaders
[i
]->info
.patch_outputs_read
;
6920 ctx
.abi
.load_tess_varyings
= load_tcs_varyings
;
6921 ctx
.abi
.load_patch_vertices_in
= load_patch_vertices_in
;
6922 ctx
.abi
.store_tcs_outputs
= store_tcs_output
;
6923 ctx
.tcs_vertices_per_patch
= shaders
[i
]->info
.tess
.tcs_vertices_out
;
6924 } else if (shaders
[i
]->info
.stage
== MESA_SHADER_TESS_EVAL
) {
6925 ctx
.tes_primitive_mode
= shaders
[i
]->info
.tess
.primitive_mode
;
6926 ctx
.abi
.load_tess_varyings
= load_tes_input
;
6927 ctx
.abi
.load_tess_coord
= load_tess_coord
;
6928 ctx
.abi
.load_patch_vertices_in
= load_patch_vertices_in
;
6929 ctx
.tcs_vertices_per_patch
= shaders
[i
]->info
.tess
.tcs_vertices_out
;
6930 } else if (shaders
[i
]->info
.stage
== MESA_SHADER_VERTEX
) {
6931 if (shader_info
->info
.vs
.needs_instance_id
) {
6932 if (ctx
.options
->key
.vs
.as_ls
) {
6933 ctx
.shader_info
->vs
.vgpr_comp_cnt
=
6934 MAX2(2, ctx
.shader_info
->vs
.vgpr_comp_cnt
);
6936 ctx
.shader_info
->vs
.vgpr_comp_cnt
=
6937 MAX2(1, ctx
.shader_info
->vs
.vgpr_comp_cnt
);
6940 ctx
.abi
.load_base_vertex
= radv_load_base_vertex
;
6941 } else if (shaders
[i
]->info
.stage
== MESA_SHADER_FRAGMENT
) {
6942 shader_info
->fs
.can_discard
= shaders
[i
]->info
.fs
.uses_discard
;
6943 ctx
.abi
.lookup_interp_param
= lookup_interp_param
;
6944 ctx
.abi
.load_sample_position
= load_sample_position
;
6945 ctx
.abi
.load_sample_mask_in
= load_sample_mask_in
;
6949 emit_barrier(&ctx
.ac
, ctx
.stage
);
6951 ac_setup_rings(&ctx
);
6953 LLVMBasicBlockRef merge_block
;
6954 if (shader_count
>= 2) {
6955 LLVMValueRef fn
= LLVMGetBasicBlockParent(LLVMGetInsertBlock(ctx
.ac
.builder
));
6956 LLVMBasicBlockRef then_block
= LLVMAppendBasicBlockInContext(ctx
.ac
.context
, fn
, "");
6957 merge_block
= LLVMAppendBasicBlockInContext(ctx
.ac
.context
, fn
, "");
6959 LLVMValueRef count
= ac_build_bfe(&ctx
.ac
, ctx
.merged_wave_info
,
6960 LLVMConstInt(ctx
.ac
.i32
, 8 * i
, false),
6961 LLVMConstInt(ctx
.ac
.i32
, 8, false), false);
6962 LLVMValueRef thread_id
= ac_get_thread_id(&ctx
.ac
);
6963 LLVMValueRef cond
= LLVMBuildICmp(ctx
.ac
.builder
, LLVMIntULT
,
6964 thread_id
, count
, "");
6965 LLVMBuildCondBr(ctx
.ac
.builder
, cond
, then_block
, merge_block
);
6967 LLVMPositionBuilderAtEnd(ctx
.ac
.builder
, then_block
);
6970 if (shaders
[i
]->info
.stage
== MESA_SHADER_FRAGMENT
)
6971 handle_fs_inputs(&ctx
, shaders
[i
]);
6972 else if(shaders
[i
]->info
.stage
== MESA_SHADER_VERTEX
)
6973 handle_vs_inputs(&ctx
, shaders
[i
]);
6974 else if(shader_count
>= 2 && shaders
[i
]->info
.stage
== MESA_SHADER_GEOMETRY
)
6975 prepare_gs_input_vgprs(&ctx
);
6977 nir_foreach_variable(variable
, &shaders
[i
]->outputs
)
6978 scan_shader_output_decl(&ctx
, variable
, shaders
[i
], shaders
[i
]->info
.stage
);
6980 ac_nir_translate(&ctx
.ac
, &ctx
.abi
, shaders
[i
]);
6982 if (shader_count
>= 2) {
6983 LLVMBuildBr(ctx
.ac
.builder
, merge_block
);
6984 LLVMPositionBuilderAtEnd(ctx
.ac
.builder
, merge_block
);
6987 if (shaders
[i
]->info
.stage
== MESA_SHADER_GEOMETRY
) {
6988 unsigned addclip
= shaders
[i
]->info
.clip_distance_array_size
+
6989 shaders
[i
]->info
.cull_distance_array_size
> 4;
6990 shader_info
->gs
.gsvs_vertex_size
= (util_bitcount64(ctx
.output_mask
) + addclip
) * 16;
6991 shader_info
->gs
.max_gsvs_emit_size
= shader_info
->gs
.gsvs_vertex_size
*
6992 shaders
[i
]->info
.gs
.vertices_out
;
6993 } else if (shaders
[i
]->info
.stage
== MESA_SHADER_TESS_CTRL
) {
6994 shader_info
->tcs
.outputs_written
= ctx
.tess_outputs_written
;
6995 shader_info
->tcs
.patch_outputs_written
= ctx
.tess_patch_outputs_written
;
6996 } else if (shaders
[i
]->info
.stage
== MESA_SHADER_VERTEX
&& ctx
.options
->key
.vs
.as_ls
) {
6997 shader_info
->vs
.outputs_written
= ctx
.tess_outputs_written
;
7001 LLVMBuildRetVoid(ctx
.ac
.builder
);
7003 if (options
->dump_preoptir
)
7004 ac_dump_module(ctx
.ac
.module
);
7006 ac_llvm_finalize_module(&ctx
);
7008 if (shader_count
== 1)
7009 ac_nir_eliminate_const_vs_outputs(&ctx
);
7011 return ctx
.ac
.module
;
7014 static void ac_diagnostic_handler(LLVMDiagnosticInfoRef di
, void *context
)
7016 unsigned *retval
= (unsigned *)context
;
7017 LLVMDiagnosticSeverity severity
= LLVMGetDiagInfoSeverity(di
);
7018 char *description
= LLVMGetDiagInfoDescription(di
);
7020 if (severity
== LLVMDSError
) {
7022 fprintf(stderr
, "LLVM triggered Diagnostic Handler: %s\n",
7026 LLVMDisposeMessage(description
);
7029 static unsigned ac_llvm_compile(LLVMModuleRef M
,
7030 struct ac_shader_binary
*binary
,
7031 LLVMTargetMachineRef tm
)
7033 unsigned retval
= 0;
7035 LLVMContextRef llvm_ctx
;
7036 LLVMMemoryBufferRef out_buffer
;
7037 unsigned buffer_size
;
7038 const char *buffer_data
;
7041 /* Setup Diagnostic Handler*/
7042 llvm_ctx
= LLVMGetModuleContext(M
);
7044 LLVMContextSetDiagnosticHandler(llvm_ctx
, ac_diagnostic_handler
,
7048 mem_err
= LLVMTargetMachineEmitToMemoryBuffer(tm
, M
, LLVMObjectFile
,
7051 /* Process Errors/Warnings */
7053 fprintf(stderr
, "%s: %s", __FUNCTION__
, err
);
7059 /* Extract Shader Code*/
7060 buffer_size
= LLVMGetBufferSize(out_buffer
);
7061 buffer_data
= LLVMGetBufferStart(out_buffer
);
7063 ac_elf_read(buffer_data
, buffer_size
, binary
);
7066 LLVMDisposeMemoryBuffer(out_buffer
);
7072 static void ac_compile_llvm_module(LLVMTargetMachineRef tm
,
7073 LLVMModuleRef llvm_module
,
7074 struct ac_shader_binary
*binary
,
7075 struct ac_shader_config
*config
,
7076 struct ac_shader_variant_info
*shader_info
,
7077 gl_shader_stage stage
,
7078 bool dump_shader
, bool supports_spill
)
7081 ac_dump_module(llvm_module
);
7083 memset(binary
, 0, sizeof(*binary
));
7084 int v
= ac_llvm_compile(llvm_module
, binary
, tm
);
7086 fprintf(stderr
, "compile failed\n");
7090 fprintf(stderr
, "disasm:\n%s\n", binary
->disasm_string
);
7092 ac_shader_binary_read_config(binary
, config
, 0, supports_spill
);
7094 LLVMContextRef ctx
= LLVMGetModuleContext(llvm_module
);
7095 LLVMDisposeModule(llvm_module
);
7096 LLVMContextDispose(ctx
);
7098 if (stage
== MESA_SHADER_FRAGMENT
) {
7099 shader_info
->num_input_vgprs
= 0;
7100 if (G_0286CC_PERSP_SAMPLE_ENA(config
->spi_ps_input_addr
))
7101 shader_info
->num_input_vgprs
+= 2;
7102 if (G_0286CC_PERSP_CENTER_ENA(config
->spi_ps_input_addr
))
7103 shader_info
->num_input_vgprs
+= 2;
7104 if (G_0286CC_PERSP_CENTROID_ENA(config
->spi_ps_input_addr
))
7105 shader_info
->num_input_vgprs
+= 2;
7106 if (G_0286CC_PERSP_PULL_MODEL_ENA(config
->spi_ps_input_addr
))
7107 shader_info
->num_input_vgprs
+= 3;
7108 if (G_0286CC_LINEAR_SAMPLE_ENA(config
->spi_ps_input_addr
))
7109 shader_info
->num_input_vgprs
+= 2;
7110 if (G_0286CC_LINEAR_CENTER_ENA(config
->spi_ps_input_addr
))
7111 shader_info
->num_input_vgprs
+= 2;
7112 if (G_0286CC_LINEAR_CENTROID_ENA(config
->spi_ps_input_addr
))
7113 shader_info
->num_input_vgprs
+= 2;
7114 if (G_0286CC_LINE_STIPPLE_TEX_ENA(config
->spi_ps_input_addr
))
7115 shader_info
->num_input_vgprs
+= 1;
7116 if (G_0286CC_POS_X_FLOAT_ENA(config
->spi_ps_input_addr
))
7117 shader_info
->num_input_vgprs
+= 1;
7118 if (G_0286CC_POS_Y_FLOAT_ENA(config
->spi_ps_input_addr
))
7119 shader_info
->num_input_vgprs
+= 1;
7120 if (G_0286CC_POS_Z_FLOAT_ENA(config
->spi_ps_input_addr
))
7121 shader_info
->num_input_vgprs
+= 1;
7122 if (G_0286CC_POS_W_FLOAT_ENA(config
->spi_ps_input_addr
))
7123 shader_info
->num_input_vgprs
+= 1;
7124 if (G_0286CC_FRONT_FACE_ENA(config
->spi_ps_input_addr
))
7125 shader_info
->num_input_vgprs
+= 1;
7126 if (G_0286CC_ANCILLARY_ENA(config
->spi_ps_input_addr
))
7127 shader_info
->num_input_vgprs
+= 1;
7128 if (G_0286CC_SAMPLE_COVERAGE_ENA(config
->spi_ps_input_addr
))
7129 shader_info
->num_input_vgprs
+= 1;
7130 if (G_0286CC_POS_FIXED_PT_ENA(config
->spi_ps_input_addr
))
7131 shader_info
->num_input_vgprs
+= 1;
7133 config
->num_vgprs
= MAX2(config
->num_vgprs
, shader_info
->num_input_vgprs
);
7135 /* +3 for scratch wave offset and VCC */
7136 config
->num_sgprs
= MAX2(config
->num_sgprs
,
7137 shader_info
->num_input_sgprs
+ 3);
7139 /* Enable 64-bit and 16-bit denormals, because there is no performance
7142 * If denormals are enabled, all floating-point output modifiers are
7145 * Don't enable denormals for 32-bit floats, because:
7146 * - Floating-point output modifiers would be ignored by the hw.
7147 * - Some opcodes don't support denormals, such as v_mad_f32. We would
7148 * have to stop using those.
7149 * - SI & CI would be very slow.
7151 config
->float_mode
|= V_00B028_FP_64_DENORMS
;
7155 ac_fill_shader_info(struct ac_shader_variant_info
*shader_info
, struct nir_shader
*nir
, const struct ac_nir_compiler_options
*options
)
7157 switch (nir
->info
.stage
) {
7158 case MESA_SHADER_COMPUTE
:
7159 for (int i
= 0; i
< 3; ++i
)
7160 shader_info
->cs
.block_size
[i
] = nir
->info
.cs
.local_size
[i
];
7162 case MESA_SHADER_FRAGMENT
:
7163 shader_info
->fs
.early_fragment_test
= nir
->info
.fs
.early_fragment_tests
;
7165 case MESA_SHADER_GEOMETRY
:
7166 shader_info
->gs
.vertices_in
= nir
->info
.gs
.vertices_in
;
7167 shader_info
->gs
.vertices_out
= nir
->info
.gs
.vertices_out
;
7168 shader_info
->gs
.output_prim
= nir
->info
.gs
.output_primitive
;
7169 shader_info
->gs
.invocations
= nir
->info
.gs
.invocations
;
7171 case MESA_SHADER_TESS_EVAL
:
7172 shader_info
->tes
.primitive_mode
= nir
->info
.tess
.primitive_mode
;
7173 shader_info
->tes
.spacing
= nir
->info
.tess
.spacing
;
7174 shader_info
->tes
.ccw
= nir
->info
.tess
.ccw
;
7175 shader_info
->tes
.point_mode
= nir
->info
.tess
.point_mode
;
7176 shader_info
->tes
.as_es
= options
->key
.tes
.as_es
;
7178 case MESA_SHADER_TESS_CTRL
:
7179 shader_info
->tcs
.tcs_vertices_out
= nir
->info
.tess
.tcs_vertices_out
;
7181 case MESA_SHADER_VERTEX
:
7182 shader_info
->vs
.as_es
= options
->key
.vs
.as_es
;
7183 shader_info
->vs
.as_ls
= options
->key
.vs
.as_ls
;
7184 /* in LS mode we need at least 1, invocation id needs 2, handled elsewhere */
7185 if (options
->key
.vs
.as_ls
)
7186 shader_info
->vs
.vgpr_comp_cnt
= MAX2(1, shader_info
->vs
.vgpr_comp_cnt
);
7193 void ac_compile_nir_shader(LLVMTargetMachineRef tm
,
7194 struct ac_shader_binary
*binary
,
7195 struct ac_shader_config
*config
,
7196 struct ac_shader_variant_info
*shader_info
,
7197 struct nir_shader
*const *nir
,
7199 const struct ac_nir_compiler_options
*options
,
7203 LLVMModuleRef llvm_module
= ac_translate_nir_to_llvm(tm
, nir
, nir_count
, shader_info
,
7206 ac_compile_llvm_module(tm
, llvm_module
, binary
, config
, shader_info
, nir
[0]->info
.stage
, dump_shader
, options
->supports_spill
);
7207 for (int i
= 0; i
< nir_count
; ++i
)
7208 ac_fill_shader_info(shader_info
, nir
[i
], options
);
7210 /* Determine the ES type (VS or TES) for the GS on GFX9. */
7211 if (options
->chip_class
== GFX9
) {
7212 if (nir_count
== 2 &&
7213 nir
[1]->info
.stage
== MESA_SHADER_GEOMETRY
) {
7214 shader_info
->gs
.es_type
= nir
[0]->info
.stage
;
7220 ac_gs_copy_shader_emit(struct radv_shader_context
*ctx
)
7222 LLVMValueRef vtx_offset
=
7223 LLVMBuildMul(ctx
->ac
.builder
, ctx
->abi
.vertex_id
,
7224 LLVMConstInt(ctx
->ac
.i32
, 4, false), "");
7227 for (unsigned i
= 0; i
< AC_LLVM_MAX_OUTPUTS
; ++i
) {
7231 if (!(ctx
->output_mask
& (1ull << i
)))
7234 if (i
== VARYING_SLOT_CLIP_DIST0
) {
7235 /* unpack clip and cull from a single set of slots */
7236 length
= ctx
->num_output_clips
+ ctx
->num_output_culls
;
7241 for (unsigned j
= 0; j
< length
; j
++) {
7242 LLVMValueRef value
, soffset
;
7244 soffset
= LLVMConstInt(ctx
->ac
.i32
,
7246 ctx
->gs_max_out_vertices
* 16 * 4, false);
7248 value
= ac_build_buffer_load(&ctx
->ac
, ctx
->gsvs_ring
,
7250 vtx_offset
, soffset
,
7251 0, 1, 1, true, false);
7253 LLVMBuildStore(ctx
->ac
.builder
,
7254 ac_to_float(&ctx
->ac
, value
), ctx
->abi
.outputs
[radeon_llvm_reg_index_soa(i
, j
)]);
7258 handle_vs_outputs_post(ctx
, false, &ctx
->shader_info
->vs
.outinfo
);
7261 void ac_create_gs_copy_shader(LLVMTargetMachineRef tm
,
7262 struct nir_shader
*geom_shader
,
7263 struct ac_shader_binary
*binary
,
7264 struct ac_shader_config
*config
,
7265 struct ac_shader_variant_info
*shader_info
,
7266 const struct ac_nir_compiler_options
*options
,
7269 struct radv_shader_context ctx
= {0};
7270 ctx
.context
= LLVMContextCreate();
7271 ctx
.options
= options
;
7272 ctx
.shader_info
= shader_info
;
7274 ac_llvm_context_init(&ctx
.ac
, ctx
.context
, options
->chip_class
,
7276 ctx
.ac
.module
= LLVMModuleCreateWithNameInContext("shader", ctx
.context
);
7278 ctx
.is_gs_copy_shader
= true;
7279 LLVMSetTarget(ctx
.ac
.module
, "amdgcn--");
7281 enum ac_float_mode float_mode
=
7282 options
->unsafe_math
? AC_FLOAT_MODE_UNSAFE_FP_MATH
:
7283 AC_FLOAT_MODE_DEFAULT
;
7285 ctx
.ac
.builder
= ac_create_builder(ctx
.context
, float_mode
);
7286 ctx
.stage
= MESA_SHADER_VERTEX
;
7288 create_function(&ctx
, MESA_SHADER_VERTEX
, false, MESA_SHADER_VERTEX
);
7290 ctx
.gs_max_out_vertices
= geom_shader
->info
.gs
.vertices_out
;
7291 ac_setup_rings(&ctx
);
7293 ctx
.num_output_clips
= geom_shader
->info
.clip_distance_array_size
;
7294 ctx
.num_output_culls
= geom_shader
->info
.cull_distance_array_size
;
7296 struct ac_nir_context nir_ctx
= {};
7297 nir_ctx
.ac
= ctx
.ac
;
7298 nir_ctx
.abi
= &ctx
.abi
;
7300 nir_foreach_variable(variable
, &geom_shader
->outputs
) {
7301 scan_shader_output_decl(&ctx
, variable
, geom_shader
, MESA_SHADER_VERTEX
);
7302 handle_shader_output_decl(&nir_ctx
, geom_shader
, variable
);
7305 ac_gs_copy_shader_emit(&ctx
);
7307 LLVMBuildRetVoid(ctx
.ac
.builder
);
7309 ac_llvm_finalize_module(&ctx
);
7311 ac_compile_llvm_module(tm
, ctx
.ac
.module
, binary
, config
, shader_info
,
7313 dump_shader
, options
->supports_spill
);