2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
5 * based in part on anv driver which is:
6 * Copyright © 2015 Intel Corporation
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 #include "util/mesa-sha1.h"
29 #include "util/u_atomic.h"
30 #include "radv_debug.h"
31 #include "radv_private.h"
32 #include "radv_shader.h"
34 #include "nir/nir_builder.h"
35 #include "spirv/nir_spirv.h"
37 #include <llvm-c/Core.h>
38 #include <llvm-c/TargetMachine.h>
42 #include "ac_binary.h"
43 #include "ac_llvm_util.h"
44 #include "ac_nir_to_llvm.h"
45 #include "vk_format.h"
46 #include "util/debug.h"
47 #include "ac_exp_param.h"
49 #include "util/string_buffer.h"
51 static const struct nir_shader_compiler_options nir_options
= {
52 .vertex_id_zero_based
= true,
56 .lower_device_index_to_zero
= true,
60 .lower_pack_snorm_2x16
= true,
61 .lower_pack_snorm_4x8
= true,
62 .lower_pack_unorm_2x16
= true,
63 .lower_pack_unorm_4x8
= true,
64 .lower_unpack_snorm_2x16
= true,
65 .lower_unpack_snorm_4x8
= true,
66 .lower_unpack_unorm_2x16
= true,
67 .lower_unpack_unorm_4x8
= true,
68 .lower_extract_byte
= true,
69 .lower_extract_word
= true,
72 .vs_inputs_dual_locations
= true,
73 .max_unroll_iterations
= 32
76 VkResult
radv_CreateShaderModule(
78 const VkShaderModuleCreateInfo
* pCreateInfo
,
79 const VkAllocationCallbacks
* pAllocator
,
80 VkShaderModule
* pShaderModule
)
82 RADV_FROM_HANDLE(radv_device
, device
, _device
);
83 struct radv_shader_module
*module
;
85 assert(pCreateInfo
->sType
== VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO
);
86 assert(pCreateInfo
->flags
== 0);
88 module
= vk_alloc2(&device
->alloc
, pAllocator
,
89 sizeof(*module
) + pCreateInfo
->codeSize
, 8,
90 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT
);
92 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
95 module
->size
= pCreateInfo
->codeSize
;
96 memcpy(module
->data
, pCreateInfo
->pCode
, module
->size
);
98 _mesa_sha1_compute(module
->data
, module
->size
, module
->sha1
);
100 *pShaderModule
= radv_shader_module_to_handle(module
);
105 void radv_DestroyShaderModule(
107 VkShaderModule _module
,
108 const VkAllocationCallbacks
* pAllocator
)
110 RADV_FROM_HANDLE(radv_device
, device
, _device
);
111 RADV_FROM_HANDLE(radv_shader_module
, module
, _module
);
116 vk_free2(&device
->alloc
, pAllocator
, module
);
120 radv_optimize_nir(struct nir_shader
*shader
)
127 NIR_PASS_V(shader
, nir_lower_vars_to_ssa
);
128 NIR_PASS_V(shader
, nir_lower_64bit_pack
);
129 NIR_PASS_V(shader
, nir_lower_alu_to_scalar
);
130 NIR_PASS_V(shader
, nir_lower_phis_to_scalar
);
132 NIR_PASS(progress
, shader
, nir_copy_prop
);
133 NIR_PASS(progress
, shader
, nir_opt_remove_phis
);
134 NIR_PASS(progress
, shader
, nir_opt_dce
);
135 if (nir_opt_trivial_continues(shader
)) {
137 NIR_PASS(progress
, shader
, nir_copy_prop
);
138 NIR_PASS(progress
, shader
, nir_opt_remove_phis
);
139 NIR_PASS(progress
, shader
, nir_opt_dce
);
141 NIR_PASS(progress
, shader
, nir_opt_if
);
142 NIR_PASS(progress
, shader
, nir_opt_dead_cf
);
143 NIR_PASS(progress
, shader
, nir_opt_cse
);
144 NIR_PASS(progress
, shader
, nir_opt_peephole_select
, 8);
145 NIR_PASS(progress
, shader
, nir_opt_algebraic
);
146 NIR_PASS(progress
, shader
, nir_opt_constant_folding
);
147 NIR_PASS(progress
, shader
, nir_opt_undef
);
148 NIR_PASS(progress
, shader
, nir_opt_conditional_discard
);
149 if (shader
->options
->max_unroll_iterations
) {
150 NIR_PASS(progress
, shader
, nir_opt_loop_unroll
, 0);
154 NIR_PASS(progress
, shader
, nir_opt_shrink_load
);
155 NIR_PASS(progress
, shader
, nir_opt_move_load_ubo
);
159 radv_shader_compile_to_nir(struct radv_device
*device
,
160 struct radv_shader_module
*module
,
161 const char *entrypoint_name
,
162 gl_shader_stage stage
,
163 const VkSpecializationInfo
*spec_info
)
165 if (strcmp(entrypoint_name
, "main") != 0) {
166 radv_finishme("Multiple shaders per module not really supported");
170 nir_function
*entry_point
;
172 /* Some things such as our meta clear/blit code will give us a NIR
173 * shader directly. In that case, we just ignore the SPIR-V entirely
174 * and just use the NIR shader */
176 nir
->options
= &nir_options
;
177 nir_validate_shader(nir
);
179 assert(exec_list_length(&nir
->functions
) == 1);
180 struct exec_node
*node
= exec_list_get_head(&nir
->functions
);
181 entry_point
= exec_node_data(nir_function
, node
, node
);
183 uint32_t *spirv
= (uint32_t *) module
->data
;
184 assert(module
->size
% 4 == 0);
186 if (device
->instance
->debug_flags
& RADV_DEBUG_DUMP_SPIRV
)
187 radv_print_spirv(spirv
, module
->size
, stderr
);
189 uint32_t num_spec_entries
= 0;
190 struct nir_spirv_specialization
*spec_entries
= NULL
;
191 if (spec_info
&& spec_info
->mapEntryCount
> 0) {
192 num_spec_entries
= spec_info
->mapEntryCount
;
193 spec_entries
= malloc(num_spec_entries
* sizeof(*spec_entries
));
194 for (uint32_t i
= 0; i
< num_spec_entries
; i
++) {
195 VkSpecializationMapEntry entry
= spec_info
->pMapEntries
[i
];
196 const void *data
= spec_info
->pData
+ entry
.offset
;
197 assert(data
+ entry
.size
<= spec_info
->pData
+ spec_info
->dataSize
);
199 spec_entries
[i
].id
= spec_info
->pMapEntries
[i
].constantID
;
200 if (spec_info
->dataSize
== 8)
201 spec_entries
[i
].data64
= *(const uint64_t *)data
;
203 spec_entries
[i
].data32
= *(const uint32_t *)data
;
206 const struct spirv_to_nir_options spirv_options
= {
208 .device_group
= true,
209 .draw_parameters
= true,
211 .image_read_without_format
= true,
212 .image_write_without_format
= true,
213 .tessellation
= true,
216 .subgroup_basic
= true,
217 .variable_pointers
= true,
219 .trinary_minmax
= true,
222 entry_point
= spirv_to_nir(spirv
, module
->size
/ 4,
223 spec_entries
, num_spec_entries
,
224 stage
, entrypoint_name
,
225 &spirv_options
, &nir_options
);
226 nir
= entry_point
->shader
;
227 assert(nir
->info
.stage
== stage
);
228 nir_validate_shader(nir
);
232 /* We have to lower away local constant initializers right before we
233 * inline functions. That way they get properly initialized at the top
234 * of the function and not at the top of its caller.
236 NIR_PASS_V(nir
, nir_lower_constant_initializers
, nir_var_local
);
237 NIR_PASS_V(nir
, nir_lower_returns
);
238 NIR_PASS_V(nir
, nir_inline_functions
);
240 /* Pick off the single entrypoint that we want */
241 foreach_list_typed_safe(nir_function
, func
, node
, &nir
->functions
) {
242 if (func
!= entry_point
)
243 exec_node_remove(&func
->node
);
245 assert(exec_list_length(&nir
->functions
) == 1);
246 entry_point
->name
= ralloc_strdup(entry_point
, "main");
248 /* Make sure we lower constant initializers on output variables so that
249 * nir_remove_dead_variables below sees the corresponding stores
251 NIR_PASS_V(nir
, nir_lower_constant_initializers
, nir_var_shader_out
);
253 NIR_PASS_V(nir
, nir_remove_dead_variables
,
254 nir_var_shader_in
| nir_var_shader_out
| nir_var_system_value
);
256 /* Now that we've deleted all but the main function, we can go ahead and
257 * lower the rest of the constant initializers.
259 NIR_PASS_V(nir
, nir_lower_constant_initializers
, ~0);
260 NIR_PASS_V(nir
, nir_lower_system_values
);
261 NIR_PASS_V(nir
, nir_lower_clip_cull_distance_arrays
);
264 /* Vulkan uses the separate-shader linking model */
265 nir
->info
.separate_shader
= true;
267 nir_shader_gather_info(nir
, entry_point
->impl
);
269 static const nir_lower_tex_options tex_options
= {
273 nir_lower_tex(nir
, &tex_options
);
275 nir_lower_vars_to_ssa(nir
);
276 nir_lower_var_copies(nir
);
277 nir_lower_global_vars_to_local(nir
);
278 nir_remove_dead_variables(nir
, nir_var_local
);
279 nir_lower_subgroups(nir
, &(struct nir_lower_subgroups_options
) {
281 .ballot_bit_size
= 64,
282 .lower_to_scalar
= 1,
283 .lower_subgroup_masks
= 1,
288 radv_optimize_nir(nir
);
290 /* Indirect lowering must be called after the radv_optimize_nir() loop
291 * has been called at least once. Otherwise indirect lowering can
292 * bloat the instruction count of the loop and cause it to be
293 * considered too large for unrolling.
295 ac_lower_indirect_derefs(nir
, device
->physical_device
->rad_info
.chip_class
);
296 radv_optimize_nir(nir
);
302 radv_alloc_shader_memory(struct radv_device
*device
,
303 struct radv_shader_variant
*shader
)
305 mtx_lock(&device
->shader_slab_mutex
);
306 list_for_each_entry(struct radv_shader_slab
, slab
, &device
->shader_slabs
, slabs
) {
308 list_for_each_entry(struct radv_shader_variant
, s
, &slab
->shaders
, slab_list
) {
309 if (s
->bo_offset
- offset
>= shader
->code_size
) {
310 shader
->bo
= slab
->bo
;
311 shader
->bo_offset
= offset
;
312 list_addtail(&shader
->slab_list
, &s
->slab_list
);
313 mtx_unlock(&device
->shader_slab_mutex
);
314 return slab
->ptr
+ offset
;
316 offset
= align_u64(s
->bo_offset
+ s
->code_size
, 256);
318 if (slab
->size
- offset
>= shader
->code_size
) {
319 shader
->bo
= slab
->bo
;
320 shader
->bo_offset
= offset
;
321 list_addtail(&shader
->slab_list
, &slab
->shaders
);
322 mtx_unlock(&device
->shader_slab_mutex
);
323 return slab
->ptr
+ offset
;
327 mtx_unlock(&device
->shader_slab_mutex
);
328 struct radv_shader_slab
*slab
= calloc(1, sizeof(struct radv_shader_slab
));
330 slab
->size
= 256 * 1024;
331 slab
->bo
= device
->ws
->buffer_create(device
->ws
, slab
->size
, 256,
333 RADEON_FLAG_NO_INTERPROCESS_SHARING
|
334 device
->physical_device
->cpdma_prefetch_writes_memory
?
335 0 : RADEON_FLAG_READ_ONLY
);
336 slab
->ptr
= (char*)device
->ws
->buffer_map(slab
->bo
);
337 list_inithead(&slab
->shaders
);
339 mtx_lock(&device
->shader_slab_mutex
);
340 list_add(&slab
->slabs
, &device
->shader_slabs
);
342 shader
->bo
= slab
->bo
;
343 shader
->bo_offset
= 0;
344 list_add(&shader
->slab_list
, &slab
->shaders
);
345 mtx_unlock(&device
->shader_slab_mutex
);
350 radv_destroy_shader_slabs(struct radv_device
*device
)
352 list_for_each_entry_safe(struct radv_shader_slab
, slab
, &device
->shader_slabs
, slabs
) {
353 device
->ws
->buffer_destroy(slab
->bo
);
356 mtx_destroy(&device
->shader_slab_mutex
);
360 radv_fill_shader_variant(struct radv_device
*device
,
361 struct radv_shader_variant
*variant
,
362 struct ac_shader_binary
*binary
,
363 gl_shader_stage stage
)
365 bool scratch_enabled
= variant
->config
.scratch_bytes_per_wave
> 0;
366 unsigned vgpr_comp_cnt
= 0;
368 if (scratch_enabled
&& !device
->llvm_supports_spill
)
369 radv_finishme("shader scratch support only available with LLVM 4.0");
371 variant
->code_size
= binary
->code_size
;
372 variant
->rsrc2
= S_00B12C_USER_SGPR(variant
->info
.num_user_sgprs
) |
373 S_00B12C_SCRATCH_EN(scratch_enabled
);
375 variant
->rsrc1
= S_00B848_VGPRS((variant
->config
.num_vgprs
- 1) / 4) |
376 S_00B848_SGPRS((variant
->config
.num_sgprs
- 1) / 8) |
377 S_00B848_DX10_CLAMP(1) |
378 S_00B848_FLOAT_MODE(variant
->config
.float_mode
);
381 case MESA_SHADER_TESS_EVAL
:
383 variant
->rsrc2
|= S_00B12C_OC_LDS_EN(1);
385 case MESA_SHADER_TESS_CTRL
:
386 if (device
->physical_device
->rad_info
.chip_class
>= GFX9
)
387 vgpr_comp_cnt
= variant
->info
.vs
.vgpr_comp_cnt
;
389 variant
->rsrc2
|= S_00B12C_OC_LDS_EN(1);
391 case MESA_SHADER_VERTEX
:
392 case MESA_SHADER_GEOMETRY
:
393 vgpr_comp_cnt
= variant
->info
.vs
.vgpr_comp_cnt
;
395 case MESA_SHADER_FRAGMENT
:
397 case MESA_SHADER_COMPUTE
: {
398 struct radv_shader_info
*info
= &variant
->info
.info
;
400 S_00B84C_TGID_X_EN(info
->cs
.uses_block_id
[0]) |
401 S_00B84C_TGID_Y_EN(info
->cs
.uses_block_id
[1]) |
402 S_00B84C_TGID_Z_EN(info
->cs
.uses_block_id
[2]) |
403 S_00B84C_TIDIG_COMP_CNT(info
->cs
.uses_thread_id
[2] ? 2 :
404 info
->cs
.uses_thread_id
[1] ? 1 : 0) |
405 S_00B84C_TG_SIZE_EN(info
->cs
.uses_local_invocation_idx
) |
406 S_00B84C_LDS_SIZE(variant
->config
.lds_size
);
410 unreachable("unsupported shader type");
414 if (device
->physical_device
->rad_info
.chip_class
>= GFX9
&&
415 stage
== MESA_SHADER_GEOMETRY
) {
416 struct radv_shader_info
*info
= &variant
->info
.info
;
417 unsigned es_type
= variant
->info
.gs
.es_type
;
418 unsigned gs_vgpr_comp_cnt
, es_vgpr_comp_cnt
;
420 if (es_type
== MESA_SHADER_VERTEX
) {
421 es_vgpr_comp_cnt
= variant
->info
.vs
.vgpr_comp_cnt
;
422 } else if (es_type
== MESA_SHADER_TESS_EVAL
) {
423 es_vgpr_comp_cnt
= 3;
425 unreachable("invalid shader ES type");
428 /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and
429 * VGPR[0:4] are always loaded.
431 if (info
->uses_invocation_id
)
432 gs_vgpr_comp_cnt
= 3; /* VGPR3 contains InvocationID. */
433 else if (info
->uses_prim_id
)
434 gs_vgpr_comp_cnt
= 2; /* VGPR2 contains PrimitiveID. */
435 else if (variant
->info
.gs
.vertices_in
>= 3)
436 gs_vgpr_comp_cnt
= 1; /* VGPR1 contains offsets 2, 3 */
438 gs_vgpr_comp_cnt
= 0; /* VGPR0 contains offsets 0, 1 */
440 variant
->rsrc1
|= S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt
);
441 variant
->rsrc2
|= S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt
) |
442 S_00B22C_OC_LDS_EN(es_type
== MESA_SHADER_TESS_EVAL
);
443 } else if (device
->physical_device
->rad_info
.chip_class
>= GFX9
&&
444 stage
== MESA_SHADER_TESS_CTRL
)
445 variant
->rsrc1
|= S_00B428_LS_VGPR_COMP_CNT(vgpr_comp_cnt
);
447 variant
->rsrc1
|= S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt
);
449 void *ptr
= radv_alloc_shader_memory(device
, variant
);
450 memcpy(ptr
, binary
->code
, binary
->code_size
);
453 static struct radv_shader_variant
*
454 shader_variant_create(struct radv_device
*device
,
455 struct radv_shader_module
*module
,
456 struct nir_shader
* const *shaders
,
458 gl_shader_stage stage
,
459 struct radv_nir_compiler_options
*options
,
462 unsigned *code_size_out
)
464 enum radeon_family chip_family
= device
->physical_device
->rad_info
.family
;
465 enum ac_target_machine_options tm_options
= 0;
466 struct radv_shader_variant
*variant
;
467 struct ac_shader_binary binary
;
468 LLVMTargetMachineRef tm
;
470 variant
= calloc(1, sizeof(struct radv_shader_variant
));
474 options
->family
= chip_family
;
475 options
->chip_class
= device
->physical_device
->rad_info
.chip_class
;
476 options
->dump_shader
= radv_can_dump_shader(device
, module
);
477 options
->dump_preoptir
= options
->dump_shader
&&
478 device
->instance
->debug_flags
& RADV_DEBUG_PREOPTIR
;
479 options
->record_llvm_ir
= device
->keep_shader_info
;
480 options
->tess_offchip_block_dw_size
= device
->tess_offchip_block_dw_size
;
482 if (options
->supports_spill
)
483 tm_options
|= AC_TM_SUPPORTS_SPILL
;
484 if (device
->instance
->perftest_flags
& RADV_PERFTEST_SISCHED
)
485 tm_options
|= AC_TM_SISCHED
;
486 tm
= ac_create_target_machine(chip_family
, tm_options
);
488 if (gs_copy_shader
) {
489 assert(shader_count
== 1);
490 radv_compile_gs_copy_shader(tm
, *shaders
, &binary
,
491 &variant
->config
, &variant
->info
,
494 radv_compile_nir_shader(tm
, &binary
, &variant
->config
,
495 &variant
->info
, shaders
, shader_count
,
499 LLVMDisposeTargetMachine(tm
);
501 radv_fill_shader_variant(device
, variant
, &binary
, stage
);
504 *code_out
= binary
.code
;
505 *code_size_out
= binary
.code_size
;
510 free(binary
.global_symbol_offsets
);
512 variant
->ref_count
= 1;
514 if (device
->keep_shader_info
) {
515 variant
->disasm_string
= binary
.disasm_string
;
516 variant
->llvm_ir_string
= binary
.llvm_ir_string
;
517 if (!gs_copy_shader
&& !module
->nir
) {
518 variant
->nir
= *shaders
;
519 variant
->spirv
= (uint32_t *)module
->data
;
520 variant
->spirv_size
= module
->size
;
523 free(binary
.disasm_string
);
529 struct radv_shader_variant
*
530 radv_shader_variant_create(struct radv_device
*device
,
531 struct radv_shader_module
*module
,
532 struct nir_shader
*const *shaders
,
534 struct radv_pipeline_layout
*layout
,
535 const struct radv_shader_variant_key
*key
,
537 unsigned *code_size_out
)
539 struct radv_nir_compiler_options options
= {0};
541 options
.layout
= layout
;
545 options
.unsafe_math
= !!(device
->instance
->debug_flags
& RADV_DEBUG_UNSAFE_MATH
);
546 options
.supports_spill
= device
->llvm_supports_spill
;
548 return shader_variant_create(device
, module
, shaders
, shader_count
, shaders
[shader_count
- 1]->info
.stage
,
549 &options
, false, code_out
, code_size_out
);
552 struct radv_shader_variant
*
553 radv_create_gs_copy_shader(struct radv_device
*device
,
554 struct nir_shader
*shader
,
556 unsigned *code_size_out
,
559 struct radv_nir_compiler_options options
= {0};
561 options
.key
.has_multiview_view_index
= multiview
;
563 return shader_variant_create(device
, NULL
, &shader
, 1, MESA_SHADER_VERTEX
,
564 &options
, true, code_out
, code_size_out
);
568 radv_shader_variant_destroy(struct radv_device
*device
,
569 struct radv_shader_variant
*variant
)
571 if (!p_atomic_dec_zero(&variant
->ref_count
))
574 mtx_lock(&device
->shader_slab_mutex
);
575 list_del(&variant
->slab_list
);
576 mtx_unlock(&device
->shader_slab_mutex
);
578 ralloc_free(variant
->nir
);
579 free(variant
->disasm_string
);
580 free(variant
->llvm_ir_string
);
585 radv_get_shader_name(struct radv_shader_variant
*var
, gl_shader_stage stage
)
588 case MESA_SHADER_VERTEX
: return var
->info
.vs
.as_ls
? "Vertex Shader as LS" : var
->info
.vs
.as_es
? "Vertex Shader as ES" : "Vertex Shader as VS";
589 case MESA_SHADER_GEOMETRY
: return "Geometry Shader";
590 case MESA_SHADER_FRAGMENT
: return "Pixel Shader";
591 case MESA_SHADER_COMPUTE
: return "Compute Shader";
592 case MESA_SHADER_TESS_CTRL
: return "Tessellation Control Shader";
593 case MESA_SHADER_TESS_EVAL
: return var
->info
.tes
.as_es
? "Tessellation Evaluation Shader as ES" : "Tessellation Evaluation Shader as VS";
595 return "Unknown shader";
600 get_total_sgprs(struct radv_device
*device
)
602 if (device
->physical_device
->rad_info
.chip_class
>= VI
)
609 generate_shader_stats(struct radv_device
*device
,
610 struct radv_shader_variant
*variant
,
611 gl_shader_stage stage
,
612 struct _mesa_string_buffer
*buf
)
614 unsigned lds_increment
= device
->physical_device
->rad_info
.chip_class
>= CIK
? 512 : 256;
615 struct ac_shader_config
*conf
;
616 unsigned max_simd_waves
;
617 unsigned lds_per_wave
= 0;
619 switch (device
->physical_device
->rad_info
.family
) {
620 /* These always have 8 waves: */
630 conf
= &variant
->config
;
632 if (stage
== MESA_SHADER_FRAGMENT
) {
633 lds_per_wave
= conf
->lds_size
* lds_increment
+
634 align(variant
->info
.fs
.num_interp
* 48,
639 max_simd_waves
= MIN2(max_simd_waves
, get_total_sgprs(device
) / conf
->num_sgprs
);
642 max_simd_waves
= MIN2(max_simd_waves
, 256 / conf
->num_vgprs
);
644 /* LDS is 64KB per CU (4 SIMDs), divided into 16KB blocks per SIMD
648 max_simd_waves
= MIN2(max_simd_waves
, 16384 / lds_per_wave
);
650 if (stage
== MESA_SHADER_FRAGMENT
) {
651 _mesa_string_buffer_printf(buf
, "*** SHADER CONFIG ***\n"
652 "SPI_PS_INPUT_ADDR = 0x%04x\n"
653 "SPI_PS_INPUT_ENA = 0x%04x\n",
654 conf
->spi_ps_input_addr
, conf
->spi_ps_input_ena
);
657 _mesa_string_buffer_printf(buf
, "*** SHADER STATS ***\n"
660 "Spilled SGPRs: %d\n"
661 "Spilled VGPRs: %d\n"
662 "PrivMem VGPRS: %d\n"
663 "Code Size: %d bytes\n"
665 "Scratch: %d bytes per wave\n"
667 "********************\n\n\n",
668 conf
->num_sgprs
, conf
->num_vgprs
,
669 conf
->spilled_sgprs
, conf
->spilled_vgprs
,
670 variant
->info
.private_mem_vgprs
, variant
->code_size
,
671 conf
->lds_size
, conf
->scratch_bytes_per_wave
,
676 radv_shader_dump_stats(struct radv_device
*device
,
677 struct radv_shader_variant
*variant
,
678 gl_shader_stage stage
,
681 struct _mesa_string_buffer
*buf
= _mesa_string_buffer_create(NULL
, 256);
683 generate_shader_stats(device
, variant
, stage
, buf
);
685 fprintf(file
, "\n%s:\n", radv_get_shader_name(variant
, stage
));
686 fprintf(file
, "%s", buf
->buf
);
688 _mesa_string_buffer_destroy(buf
);
692 radv_GetShaderInfoAMD(VkDevice _device
,
693 VkPipeline _pipeline
,
694 VkShaderStageFlagBits shaderStage
,
695 VkShaderInfoTypeAMD infoType
,
699 RADV_FROM_HANDLE(radv_device
, device
, _device
);
700 RADV_FROM_HANDLE(radv_pipeline
, pipeline
, _pipeline
);
701 gl_shader_stage stage
= vk_to_mesa_shader_stage(shaderStage
);
702 struct radv_shader_variant
*variant
= pipeline
->shaders
[stage
];
703 struct _mesa_string_buffer
*buf
;
704 VkResult result
= VK_SUCCESS
;
706 /* Spec doesn't indicate what to do if the stage is invalid, so just
707 * return no info for this. */
709 return vk_error(VK_ERROR_FEATURE_NOT_PRESENT
);
712 case VK_SHADER_INFO_TYPE_STATISTICS_AMD
:
714 *pInfoSize
= sizeof(VkShaderStatisticsInfoAMD
);
716 unsigned lds_multiplier
= device
->physical_device
->rad_info
.chip_class
>= CIK
? 512 : 256;
717 struct ac_shader_config
*conf
= &variant
->config
;
719 VkShaderStatisticsInfoAMD statistics
= {};
720 statistics
.shaderStageMask
= shaderStage
;
721 statistics
.numPhysicalVgprs
= 256;
722 statistics
.numPhysicalSgprs
= get_total_sgprs(device
);
723 statistics
.numAvailableSgprs
= statistics
.numPhysicalSgprs
;
725 if (stage
== MESA_SHADER_COMPUTE
) {
726 unsigned *local_size
= variant
->nir
->info
.cs
.local_size
;
727 unsigned workgroup_size
= local_size
[0] * local_size
[1] * local_size
[2];
729 statistics
.numAvailableVgprs
= statistics
.numPhysicalVgprs
/
730 ceil(workgroup_size
/ statistics
.numPhysicalVgprs
);
732 statistics
.computeWorkGroupSize
[0] = local_size
[0];
733 statistics
.computeWorkGroupSize
[1] = local_size
[1];
734 statistics
.computeWorkGroupSize
[2] = local_size
[2];
736 statistics
.numAvailableVgprs
= statistics
.numPhysicalVgprs
;
739 statistics
.resourceUsage
.numUsedVgprs
= conf
->num_vgprs
;
740 statistics
.resourceUsage
.numUsedSgprs
= conf
->num_sgprs
;
741 statistics
.resourceUsage
.ldsSizePerLocalWorkGroup
= 32768;
742 statistics
.resourceUsage
.ldsUsageSizeInBytes
= conf
->lds_size
* lds_multiplier
;
743 statistics
.resourceUsage
.scratchMemUsageInBytes
= conf
->scratch_bytes_per_wave
;
745 size_t size
= *pInfoSize
;
746 *pInfoSize
= sizeof(statistics
);
748 memcpy(pInfo
, &statistics
, MIN2(size
, *pInfoSize
));
750 if (size
< *pInfoSize
)
751 result
= VK_INCOMPLETE
;
755 case VK_SHADER_INFO_TYPE_DISASSEMBLY_AMD
:
756 buf
= _mesa_string_buffer_create(NULL
, 1024);
758 _mesa_string_buffer_printf(buf
, "%s:\n", radv_get_shader_name(variant
, stage
));
759 _mesa_string_buffer_printf(buf
, "%s\n\n", variant
->disasm_string
);
760 generate_shader_stats(device
, variant
, stage
, buf
);
762 /* Need to include the null terminator. */
763 size_t length
= buf
->length
+ 1;
768 size_t size
= *pInfoSize
;
771 memcpy(pInfo
, buf
->buf
, MIN2(size
, length
));
774 result
= VK_INCOMPLETE
;
777 _mesa_string_buffer_destroy(buf
);
780 /* VK_SHADER_INFO_TYPE_BINARY_AMD unimplemented for now. */
781 result
= VK_ERROR_FEATURE_NOT_PRESENT
;