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radv: use nir_lower_discard_to_demote to work around game bugs
[mesa.git] / src / amd / vulkan / radv_shader.c
1 /*
2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
4 *
5 * based in part on anv driver which is:
6 * Copyright © 2015 Intel Corporation
7 *
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:
14 *
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
17 * Software.
18 *
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
25 * IN THE SOFTWARE.
26 */
27
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"
33 #include "radv_shader_helper.h"
34 #include "radv_shader_args.h"
35 #include "nir/nir.h"
36 #include "nir/nir_builder.h"
37 #include "spirv/nir_spirv.h"
38
39 #include <llvm-c/Core.h>
40 #include <llvm-c/TargetMachine.h>
41 #include <llvm-c/Support.h>
42
43 #include "sid.h"
44 #include "ac_binary.h"
45 #include "ac_llvm_util.h"
46 #include "ac_nir_to_llvm.h"
47 #include "ac_rtld.h"
48 #include "vk_format.h"
49 #include "util/debug.h"
50 #include "ac_exp_param.h"
51
52 #include "aco_interface.h"
53
54 #include "util/string_buffer.h"
55
56 static const struct nir_shader_compiler_options nir_options_llvm = {
57 .vertex_id_zero_based = true,
58 .lower_scmp = true,
59 .lower_flrp16 = true,
60 .lower_flrp32 = true,
61 .lower_flrp64 = true,
62 .lower_device_index_to_zero = true,
63 .lower_fsat = true,
64 .lower_fdiv = true,
65 .lower_fmod = true,
66 .lower_bitfield_insert_to_bitfield_select = true,
67 .lower_bitfield_extract = true,
68 .lower_sub = true,
69 .lower_pack_snorm_2x16 = true,
70 .lower_pack_snorm_4x8 = true,
71 .lower_pack_unorm_2x16 = true,
72 .lower_pack_unorm_4x8 = true,
73 .lower_unpack_snorm_2x16 = true,
74 .lower_unpack_snorm_4x8 = true,
75 .lower_unpack_unorm_2x16 = true,
76 .lower_unpack_unorm_4x8 = true,
77 .lower_extract_byte = true,
78 .lower_extract_word = true,
79 .lower_ffma = true,
80 .lower_fpow = true,
81 .lower_mul_2x32_64 = true,
82 .lower_rotate = true,
83 .max_unroll_iterations = 32,
84 .use_interpolated_input_intrinsics = true,
85 /* nir_lower_int64() isn't actually called for the LLVM backend, but
86 * this helps the loop unrolling heuristics. */
87 .lower_int64_options = nir_lower_imul64 |
88 nir_lower_imul_high64 |
89 nir_lower_imul_2x32_64 |
90 nir_lower_divmod64 |
91 nir_lower_minmax64 |
92 nir_lower_iabs64,
93 };
94
95 static const struct nir_shader_compiler_options nir_options_aco = {
96 .vertex_id_zero_based = true,
97 .lower_scmp = true,
98 .lower_flrp16 = true,
99 .lower_flrp32 = true,
100 .lower_flrp64 = true,
101 .lower_device_index_to_zero = true,
102 .lower_fdiv = true,
103 .lower_fmod = true,
104 .lower_bitfield_insert_to_bitfield_select = true,
105 .lower_bitfield_extract = true,
106 .lower_pack_snorm_2x16 = true,
107 .lower_pack_snorm_4x8 = true,
108 .lower_pack_unorm_2x16 = true,
109 .lower_pack_unorm_4x8 = true,
110 .lower_unpack_snorm_2x16 = true,
111 .lower_unpack_snorm_4x8 = true,
112 .lower_unpack_unorm_2x16 = true,
113 .lower_unpack_unorm_4x8 = true,
114 .lower_unpack_half_2x16 = true,
115 .lower_extract_byte = true,
116 .lower_extract_word = true,
117 .lower_ffma = true,
118 .lower_fpow = true,
119 .lower_mul_2x32_64 = true,
120 .lower_rotate = true,
121 .max_unroll_iterations = 32,
122 .use_interpolated_input_intrinsics = true,
123 .lower_int64_options = nir_lower_imul64 |
124 nir_lower_imul_high64 |
125 nir_lower_imul_2x32_64 |
126 nir_lower_divmod64 |
127 nir_lower_logic64 |
128 nir_lower_minmax64 |
129 nir_lower_iabs64,
130 };
131
132 bool
133 radv_can_dump_shader(struct radv_device *device,
134 struct radv_shader_module *module,
135 bool is_gs_copy_shader)
136 {
137 if (!(device->instance->debug_flags & RADV_DEBUG_DUMP_SHADERS))
138 return false;
139 if (module)
140 return !module->nir ||
141 (device->instance->debug_flags & RADV_DEBUG_DUMP_META_SHADERS);
142
143 return is_gs_copy_shader;
144 }
145
146 bool
147 radv_can_dump_shader_stats(struct radv_device *device,
148 struct radv_shader_module *module)
149 {
150 /* Only dump non-meta shader stats. */
151 return device->instance->debug_flags & RADV_DEBUG_DUMP_SHADER_STATS &&
152 module && !module->nir;
153 }
154
155 VkResult radv_CreateShaderModule(
156 VkDevice _device,
157 const VkShaderModuleCreateInfo* pCreateInfo,
158 const VkAllocationCallbacks* pAllocator,
159 VkShaderModule* pShaderModule)
160 {
161 RADV_FROM_HANDLE(radv_device, device, _device);
162 struct radv_shader_module *module;
163
164 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO);
165 assert(pCreateInfo->flags == 0);
166
167 module = vk_alloc2(&device->alloc, pAllocator,
168 sizeof(*module) + pCreateInfo->codeSize, 8,
169 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
170 if (module == NULL)
171 return vk_error(device->instance, VK_ERROR_OUT_OF_HOST_MEMORY);
172
173 module->nir = NULL;
174 module->size = pCreateInfo->codeSize;
175 memcpy(module->data, pCreateInfo->pCode, module->size);
176
177 _mesa_sha1_compute(module->data, module->size, module->sha1);
178
179 *pShaderModule = radv_shader_module_to_handle(module);
180
181 return VK_SUCCESS;
182 }
183
184 void radv_DestroyShaderModule(
185 VkDevice _device,
186 VkShaderModule _module,
187 const VkAllocationCallbacks* pAllocator)
188 {
189 RADV_FROM_HANDLE(radv_device, device, _device);
190 RADV_FROM_HANDLE(radv_shader_module, module, _module);
191
192 if (!module)
193 return;
194
195 vk_free2(&device->alloc, pAllocator, module);
196 }
197
198 void
199 radv_optimize_nir(struct nir_shader *shader, bool optimize_conservatively,
200 bool allow_copies)
201 {
202 bool progress;
203 unsigned lower_flrp =
204 (shader->options->lower_flrp16 ? 16 : 0) |
205 (shader->options->lower_flrp32 ? 32 : 0) |
206 (shader->options->lower_flrp64 ? 64 : 0);
207
208 do {
209 progress = false;
210
211 NIR_PASS(progress, shader, nir_split_array_vars, nir_var_function_temp);
212 NIR_PASS(progress, shader, nir_shrink_vec_array_vars, nir_var_function_temp);
213
214 NIR_PASS_V(shader, nir_lower_vars_to_ssa);
215 NIR_PASS_V(shader, nir_lower_pack);
216
217 if (allow_copies) {
218 /* Only run this pass in the first call to
219 * radv_optimize_nir. Later calls assume that we've
220 * lowered away any copy_deref instructions and we
221 * don't want to introduce any more.
222 */
223 NIR_PASS(progress, shader, nir_opt_find_array_copies);
224 }
225
226 NIR_PASS(progress, shader, nir_opt_copy_prop_vars);
227 NIR_PASS(progress, shader, nir_opt_dead_write_vars);
228 NIR_PASS(progress, shader, nir_remove_dead_variables,
229 nir_var_function_temp | nir_var_shader_in | nir_var_shader_out);
230
231 NIR_PASS_V(shader, nir_lower_alu_to_scalar, NULL, NULL);
232 NIR_PASS_V(shader, nir_lower_phis_to_scalar);
233
234 NIR_PASS(progress, shader, nir_copy_prop);
235 NIR_PASS(progress, shader, nir_opt_remove_phis);
236 NIR_PASS(progress, shader, nir_opt_dce);
237 if (nir_opt_trivial_continues(shader)) {
238 progress = true;
239 NIR_PASS(progress, shader, nir_copy_prop);
240 NIR_PASS(progress, shader, nir_opt_remove_phis);
241 NIR_PASS(progress, shader, nir_opt_dce);
242 }
243 NIR_PASS(progress, shader, nir_opt_if, true);
244 NIR_PASS(progress, shader, nir_opt_dead_cf);
245 NIR_PASS(progress, shader, nir_opt_cse);
246 NIR_PASS(progress, shader, nir_opt_peephole_select, 8, true, true);
247 NIR_PASS(progress, shader, nir_opt_constant_folding);
248 NIR_PASS(progress, shader, nir_opt_algebraic);
249
250 if (lower_flrp != 0) {
251 bool lower_flrp_progress = false;
252 NIR_PASS(lower_flrp_progress,
253 shader,
254 nir_lower_flrp,
255 lower_flrp,
256 false /* always_precise */,
257 shader->options->lower_ffma);
258 if (lower_flrp_progress) {
259 NIR_PASS(progress, shader,
260 nir_opt_constant_folding);
261 progress = true;
262 }
263
264 /* Nothing should rematerialize any flrps, so we only
265 * need to do this lowering once.
266 */
267 lower_flrp = 0;
268 }
269
270 NIR_PASS(progress, shader, nir_opt_undef);
271 if (shader->options->max_unroll_iterations) {
272 NIR_PASS(progress, shader, nir_opt_loop_unroll, 0);
273 }
274 } while (progress && !optimize_conservatively);
275
276 NIR_PASS(progress, shader, nir_opt_conditional_discard);
277 NIR_PASS(progress, shader, nir_opt_shrink_load);
278 NIR_PASS(progress, shader, nir_opt_move, nir_move_load_ubo);
279 }
280
281 static void
282 shared_var_info(const struct glsl_type *type, unsigned *size, unsigned *align)
283 {
284 assert(glsl_type_is_vector_or_scalar(type));
285
286 uint32_t comp_size = glsl_type_is_boolean(type) ? 4 : glsl_get_bit_size(type) / 8;
287 unsigned length = glsl_get_vector_elements(type);
288 *size = comp_size * length,
289 *align = comp_size;
290 }
291
292 nir_shader *
293 radv_shader_compile_to_nir(struct radv_device *device,
294 struct radv_shader_module *module,
295 const char *entrypoint_name,
296 gl_shader_stage stage,
297 const VkSpecializationInfo *spec_info,
298 const VkPipelineCreateFlags flags,
299 const struct radv_pipeline_layout *layout,
300 bool use_aco)
301 {
302 nir_shader *nir;
303 const nir_shader_compiler_options *nir_options = use_aco ? &nir_options_aco :
304 &nir_options_llvm;
305 if (module->nir) {
306 /* Some things such as our meta clear/blit code will give us a NIR
307 * shader directly. In that case, we just ignore the SPIR-V entirely
308 * and just use the NIR shader */
309 nir = module->nir;
310 nir->options = nir_options;
311 nir_validate_shader(nir, "in internal shader");
312
313 assert(exec_list_length(&nir->functions) == 1);
314 } else {
315 uint32_t *spirv = (uint32_t *) module->data;
316 assert(module->size % 4 == 0);
317
318 if (device->instance->debug_flags & RADV_DEBUG_DUMP_SPIRV)
319 radv_print_spirv(module->data, module->size, stderr);
320
321 uint32_t num_spec_entries = 0;
322 struct nir_spirv_specialization *spec_entries = NULL;
323 if (spec_info && spec_info->mapEntryCount > 0) {
324 num_spec_entries = spec_info->mapEntryCount;
325 spec_entries = malloc(num_spec_entries * sizeof(*spec_entries));
326 for (uint32_t i = 0; i < num_spec_entries; i++) {
327 VkSpecializationMapEntry entry = spec_info->pMapEntries[i];
328 const void *data = spec_info->pData + entry.offset;
329 assert(data + entry.size <= spec_info->pData + spec_info->dataSize);
330
331 spec_entries[i].id = spec_info->pMapEntries[i].constantID;
332 if (spec_info->dataSize == 8)
333 spec_entries[i].data64 = *(const uint64_t *)data;
334 else
335 spec_entries[i].data32 = *(const uint32_t *)data;
336 }
337 }
338 const struct spirv_to_nir_options spirv_options = {
339 .lower_ubo_ssbo_access_to_offsets = true,
340 .caps = {
341 .amd_fragment_mask = true,
342 .amd_gcn_shader = true,
343 .amd_image_read_write_lod = true,
344 .amd_shader_ballot = device->physical_device->use_shader_ballot,
345 .amd_shader_explicit_vertex_parameter = true,
346 .amd_trinary_minmax = true,
347 .demote_to_helper_invocation = device->physical_device->use_aco,
348 .derivative_group = true,
349 .descriptor_array_dynamic_indexing = true,
350 .descriptor_array_non_uniform_indexing = true,
351 .descriptor_indexing = true,
352 .device_group = true,
353 .draw_parameters = true,
354 .float_controls = true,
355 .float16 = !device->physical_device->use_aco,
356 .float64 = true,
357 .geometry_streams = true,
358 .image_ms_array = true,
359 .image_read_without_format = true,
360 .image_write_without_format = true,
361 .int8 = !device->physical_device->use_aco,
362 .int16 = !device->physical_device->use_aco,
363 .int64 = true,
364 .int64_atomics = true,
365 .multiview = true,
366 .physical_storage_buffer_address = true,
367 .post_depth_coverage = true,
368 .runtime_descriptor_array = true,
369 .shader_clock = true,
370 .shader_viewport_index_layer = true,
371 .stencil_export = true,
372 .storage_8bit = !device->physical_device->use_aco,
373 .storage_16bit = !device->physical_device->use_aco,
374 .storage_image_ms = true,
375 .subgroup_arithmetic = true,
376 .subgroup_ballot = true,
377 .subgroup_basic = true,
378 .subgroup_quad = true,
379 .subgroup_shuffle = true,
380 .subgroup_vote = true,
381 .tessellation = true,
382 .transform_feedback = true,
383 .variable_pointers = true,
384 },
385 .ubo_addr_format = nir_address_format_32bit_index_offset,
386 .ssbo_addr_format = nir_address_format_32bit_index_offset,
387 .phys_ssbo_addr_format = nir_address_format_64bit_global,
388 .push_const_addr_format = nir_address_format_logical,
389 .shared_addr_format = nir_address_format_32bit_offset,
390 .frag_coord_is_sysval = true,
391 };
392 nir = spirv_to_nir(spirv, module->size / 4,
393 spec_entries, num_spec_entries,
394 stage, entrypoint_name,
395 &spirv_options, nir_options);
396 assert(nir->info.stage == stage);
397 nir_validate_shader(nir, "after spirv_to_nir");
398
399 free(spec_entries);
400
401 /* We have to lower away local constant initializers right before we
402 * inline functions. That way they get properly initialized at the top
403 * of the function and not at the top of its caller.
404 */
405 NIR_PASS_V(nir, nir_lower_variable_initializers, nir_var_function_temp);
406 NIR_PASS_V(nir, nir_lower_returns);
407 NIR_PASS_V(nir, nir_inline_functions);
408 NIR_PASS_V(nir, nir_opt_deref);
409
410 /* Pick off the single entrypoint that we want */
411 foreach_list_typed_safe(nir_function, func, node, &nir->functions) {
412 if (func->is_entrypoint)
413 func->name = ralloc_strdup(func, "main");
414 else
415 exec_node_remove(&func->node);
416 }
417 assert(exec_list_length(&nir->functions) == 1);
418
419 /* Make sure we lower constant initializers on output variables so that
420 * nir_remove_dead_variables below sees the corresponding stores
421 */
422 NIR_PASS_V(nir, nir_lower_variable_initializers, nir_var_shader_out);
423
424 /* Now that we've deleted all but the main function, we can go ahead and
425 * lower the rest of the constant initializers.
426 */
427 NIR_PASS_V(nir, nir_lower_variable_initializers, ~0);
428
429 /* Split member structs. We do this before lower_io_to_temporaries so that
430 * it doesn't lower system values to temporaries by accident.
431 */
432 NIR_PASS_V(nir, nir_split_var_copies);
433 NIR_PASS_V(nir, nir_split_per_member_structs);
434
435 if (nir->info.stage == MESA_SHADER_FRAGMENT && use_aco)
436 NIR_PASS_V(nir, nir_lower_io_to_vector, nir_var_shader_out);
437 if (nir->info.stage == MESA_SHADER_FRAGMENT)
438 NIR_PASS_V(nir, nir_lower_input_attachments, true);
439
440 NIR_PASS_V(nir, nir_remove_dead_variables,
441 nir_var_shader_in | nir_var_shader_out | nir_var_system_value | nir_var_mem_shared);
442
443 NIR_PASS_V(nir, nir_propagate_invariant);
444
445 NIR_PASS_V(nir, nir_lower_system_values);
446 NIR_PASS_V(nir, nir_lower_clip_cull_distance_arrays);
447 NIR_PASS_V(nir, radv_nir_lower_ycbcr_textures, layout);
448 if (device->instance->debug_flags & RADV_DEBUG_DISCARD_TO_DEMOTE)
449 NIR_PASS_V(nir, nir_lower_discard_to_demote);
450 }
451
452 /* Vulkan uses the separate-shader linking model */
453 nir->info.separate_shader = true;
454
455 nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
456
457 if (nir->info.stage == MESA_SHADER_GEOMETRY && use_aco)
458 nir_lower_gs_intrinsics(nir, true);
459
460 static const nir_lower_tex_options tex_options = {
461 .lower_txp = ~0,
462 .lower_tg4_offsets = true,
463 };
464
465 nir_lower_tex(nir, &tex_options);
466
467 nir_lower_vars_to_ssa(nir);
468
469 if (nir->info.stage == MESA_SHADER_VERTEX ||
470 nir->info.stage == MESA_SHADER_GEOMETRY ||
471 nir->info.stage == MESA_SHADER_FRAGMENT) {
472 NIR_PASS_V(nir, nir_lower_io_to_temporaries,
473 nir_shader_get_entrypoint(nir), true, true);
474 } else if (nir->info.stage == MESA_SHADER_TESS_EVAL) {
475 NIR_PASS_V(nir, nir_lower_io_to_temporaries,
476 nir_shader_get_entrypoint(nir), true, false);
477 }
478
479 nir_split_var_copies(nir);
480
481 nir_lower_global_vars_to_local(nir);
482 nir_remove_dead_variables(nir, nir_var_function_temp);
483 nir_lower_subgroups(nir, &(struct nir_lower_subgroups_options) {
484 .subgroup_size = 64,
485 .ballot_bit_size = 64,
486 .lower_to_scalar = 1,
487 .lower_subgroup_masks = 1,
488 .lower_shuffle = 1,
489 .lower_shuffle_to_32bit = 1,
490 .lower_vote_eq_to_ballot = 1,
491 });
492
493 nir_lower_load_const_to_scalar(nir);
494
495 if (!(flags & VK_PIPELINE_CREATE_DISABLE_OPTIMIZATION_BIT))
496 radv_optimize_nir(nir, false, true);
497
498 /* We call nir_lower_var_copies() after the first radv_optimize_nir()
499 * to remove any copies introduced by nir_opt_find_array_copies().
500 */
501 nir_lower_var_copies(nir);
502
503 /* Lower deref operations for compute shared memory. */
504 if (nir->info.stage == MESA_SHADER_COMPUTE) {
505 NIR_PASS_V(nir, nir_lower_vars_to_explicit_types,
506 nir_var_mem_shared, shared_var_info);
507 NIR_PASS_V(nir, nir_lower_explicit_io,
508 nir_var_mem_shared, nir_address_format_32bit_offset);
509 }
510
511 /* Lower large variables that are always constant with load_constant
512 * intrinsics, which get turned into PC-relative loads from a data
513 * section next to the shader.
514 */
515 NIR_PASS_V(nir, nir_opt_large_constants,
516 glsl_get_natural_size_align_bytes, 16);
517
518 /* Indirect lowering must be called after the radv_optimize_nir() loop
519 * has been called at least once. Otherwise indirect lowering can
520 * bloat the instruction count of the loop and cause it to be
521 * considered too large for unrolling.
522 */
523 ac_lower_indirect_derefs(nir, device->physical_device->rad_info.chip_class);
524 radv_optimize_nir(nir, flags & VK_PIPELINE_CREATE_DISABLE_OPTIMIZATION_BIT, false);
525
526 return nir;
527 }
528
529 static int
530 type_size_vec4(const struct glsl_type *type, bool bindless)
531 {
532 return glsl_count_attribute_slots(type, false);
533 }
534
535 static nir_variable *
536 find_layer_in_var(nir_shader *nir)
537 {
538 nir_foreach_variable(var, &nir->inputs) {
539 if (var->data.location == VARYING_SLOT_LAYER) {
540 return var;
541 }
542 }
543
544 nir_variable *var =
545 nir_variable_create(nir, nir_var_shader_in, glsl_int_type(), "layer id");
546 var->data.location = VARYING_SLOT_LAYER;
547 var->data.interpolation = INTERP_MODE_FLAT;
548 return var;
549 }
550
551 /* We use layered rendering to implement multiview, which means we need to map
552 * view_index to gl_Layer. The attachment lowering also uses needs to know the
553 * layer so that it can sample from the correct layer. The code generates a
554 * load from the layer_id sysval, but since we don't have a way to get at this
555 * information from the fragment shader, we also need to lower this to the
556 * gl_Layer varying. This pass lowers both to a varying load from the LAYER
557 * slot, before lowering io, so that nir_assign_var_locations() will give the
558 * LAYER varying the correct driver_location.
559 */
560
561 static bool
562 lower_view_index(nir_shader *nir)
563 {
564 bool progress = false;
565 nir_function_impl *entry = nir_shader_get_entrypoint(nir);
566 nir_builder b;
567 nir_builder_init(&b, entry);
568
569 nir_variable *layer = NULL;
570 nir_foreach_block(block, entry) {
571 nir_foreach_instr_safe(instr, block) {
572 if (instr->type != nir_instr_type_intrinsic)
573 continue;
574
575 nir_intrinsic_instr *load = nir_instr_as_intrinsic(instr);
576 if (load->intrinsic != nir_intrinsic_load_view_index &&
577 load->intrinsic != nir_intrinsic_load_layer_id)
578 continue;
579
580 if (!layer)
581 layer = find_layer_in_var(nir);
582
583 b.cursor = nir_before_instr(instr);
584 nir_ssa_def *def = nir_load_var(&b, layer);
585 nir_ssa_def_rewrite_uses(&load->dest.ssa,
586 nir_src_for_ssa(def));
587
588 nir_instr_remove(instr);
589 progress = true;
590 }
591 }
592
593 return progress;
594 }
595
596 void
597 radv_lower_fs_io(nir_shader *nir)
598 {
599 NIR_PASS_V(nir, lower_view_index);
600 nir_assign_io_var_locations(&nir->inputs, &nir->num_inputs,
601 MESA_SHADER_FRAGMENT);
602
603 NIR_PASS_V(nir, nir_lower_io, nir_var_shader_in, type_size_vec4, 0);
604
605 /* This pass needs actual constants */
606 nir_opt_constant_folding(nir);
607
608 NIR_PASS_V(nir, nir_io_add_const_offset_to_base, nir_var_shader_in);
609 }
610
611
612 void *
613 radv_alloc_shader_memory(struct radv_device *device,
614 struct radv_shader_variant *shader)
615 {
616 mtx_lock(&device->shader_slab_mutex);
617 list_for_each_entry(struct radv_shader_slab, slab, &device->shader_slabs, slabs) {
618 uint64_t offset = 0;
619 list_for_each_entry(struct radv_shader_variant, s, &slab->shaders, slab_list) {
620 if (s->bo_offset - offset >= shader->code_size) {
621 shader->bo = slab->bo;
622 shader->bo_offset = offset;
623 list_addtail(&shader->slab_list, &s->slab_list);
624 mtx_unlock(&device->shader_slab_mutex);
625 return slab->ptr + offset;
626 }
627 offset = align_u64(s->bo_offset + s->code_size, 256);
628 }
629 if (slab->size - offset >= shader->code_size) {
630 shader->bo = slab->bo;
631 shader->bo_offset = offset;
632 list_addtail(&shader->slab_list, &slab->shaders);
633 mtx_unlock(&device->shader_slab_mutex);
634 return slab->ptr + offset;
635 }
636 }
637
638 mtx_unlock(&device->shader_slab_mutex);
639 struct radv_shader_slab *slab = calloc(1, sizeof(struct radv_shader_slab));
640
641 slab->size = 256 * 1024;
642 slab->bo = device->ws->buffer_create(device->ws, slab->size, 256,
643 RADEON_DOMAIN_VRAM,
644 RADEON_FLAG_NO_INTERPROCESS_SHARING |
645 (device->physical_device->rad_info.cpdma_prefetch_writes_memory ?
646 0 : RADEON_FLAG_READ_ONLY),
647 RADV_BO_PRIORITY_SHADER);
648 slab->ptr = (char*)device->ws->buffer_map(slab->bo);
649 list_inithead(&slab->shaders);
650
651 mtx_lock(&device->shader_slab_mutex);
652 list_add(&slab->slabs, &device->shader_slabs);
653
654 shader->bo = slab->bo;
655 shader->bo_offset = 0;
656 list_add(&shader->slab_list, &slab->shaders);
657 mtx_unlock(&device->shader_slab_mutex);
658 return slab->ptr;
659 }
660
661 void
662 radv_destroy_shader_slabs(struct radv_device *device)
663 {
664 list_for_each_entry_safe(struct radv_shader_slab, slab, &device->shader_slabs, slabs) {
665 device->ws->buffer_destroy(slab->bo);
666 free(slab);
667 }
668 mtx_destroy(&device->shader_slab_mutex);
669 }
670
671 /* For the UMR disassembler. */
672 #define DEBUGGER_END_OF_CODE_MARKER 0xbf9f0000 /* invalid instruction */
673 #define DEBUGGER_NUM_MARKERS 5
674
675 static unsigned
676 radv_get_shader_binary_size(size_t code_size)
677 {
678 return code_size + DEBUGGER_NUM_MARKERS * 4;
679 }
680
681 static void radv_postprocess_config(const struct radv_physical_device *pdevice,
682 const struct ac_shader_config *config_in,
683 const struct radv_shader_info *info,
684 gl_shader_stage stage,
685 struct ac_shader_config *config_out)
686 {
687 bool scratch_enabled = config_in->scratch_bytes_per_wave > 0;
688 unsigned vgpr_comp_cnt = 0;
689 unsigned num_input_vgprs = info->num_input_vgprs;
690
691 if (stage == MESA_SHADER_FRAGMENT) {
692 num_input_vgprs = ac_get_fs_input_vgpr_cnt(config_in, NULL, NULL);
693 }
694
695 unsigned num_vgprs = MAX2(config_in->num_vgprs, num_input_vgprs);
696 /* +3 for scratch wave offset and VCC */
697 unsigned num_sgprs = MAX2(config_in->num_sgprs, info->num_input_sgprs + 3);
698 unsigned num_shared_vgprs = config_in->num_shared_vgprs;
699 /* shared VGPRs are introduced in Navi and are allocated in blocks of 8 (RDNA ref 3.6.5) */
700 assert((pdevice->rad_info.chip_class >= GFX10 && num_shared_vgprs % 8 == 0)
701 || (pdevice->rad_info.chip_class < GFX10 && num_shared_vgprs == 0));
702 unsigned num_shared_vgpr_blocks = num_shared_vgprs / 8;
703
704 *config_out = *config_in;
705 config_out->num_vgprs = num_vgprs;
706 config_out->num_sgprs = num_sgprs;
707 config_out->num_shared_vgprs = num_shared_vgprs;
708
709 config_out->rsrc2 = S_00B12C_USER_SGPR(info->num_user_sgprs) |
710 S_00B12C_SCRATCH_EN(scratch_enabled);
711
712 if (!pdevice->use_ngg_streamout) {
713 config_out->rsrc2 |= S_00B12C_SO_BASE0_EN(!!info->so.strides[0]) |
714 S_00B12C_SO_BASE1_EN(!!info->so.strides[1]) |
715 S_00B12C_SO_BASE2_EN(!!info->so.strides[2]) |
716 S_00B12C_SO_BASE3_EN(!!info->so.strides[3]) |
717 S_00B12C_SO_EN(!!info->so.num_outputs);
718 }
719
720 config_out->rsrc1 = S_00B848_VGPRS((num_vgprs - 1) /
721 (info->wave_size == 32 ? 8 : 4)) |
722 S_00B848_DX10_CLAMP(1) |
723 S_00B848_FLOAT_MODE(config_out->float_mode);
724
725 if (pdevice->rad_info.chip_class >= GFX10) {
726 config_out->rsrc2 |= S_00B22C_USER_SGPR_MSB_GFX10(info->num_user_sgprs >> 5);
727 } else {
728 config_out->rsrc1 |= S_00B228_SGPRS((num_sgprs - 1) / 8);
729 config_out->rsrc2 |= S_00B22C_USER_SGPR_MSB_GFX9(info->num_user_sgprs >> 5);
730 }
731
732 switch (stage) {
733 case MESA_SHADER_TESS_EVAL:
734 if (info->is_ngg) {
735 config_out->rsrc1 |= S_00B228_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10);
736 config_out->rsrc2 |= S_00B22C_OC_LDS_EN(1);
737 } else if (info->tes.as_es) {
738 assert(pdevice->rad_info.chip_class <= GFX8);
739 vgpr_comp_cnt = info->uses_prim_id ? 3 : 2;
740
741 config_out->rsrc2 |= S_00B12C_OC_LDS_EN(1);
742 } else {
743 bool enable_prim_id = info->tes.export_prim_id || info->uses_prim_id;
744 vgpr_comp_cnt = enable_prim_id ? 3 : 2;
745
746 config_out->rsrc1 |= S_00B128_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10);
747 config_out->rsrc2 |= S_00B12C_OC_LDS_EN(1);
748 }
749 config_out->rsrc2 |= S_00B22C_SHARED_VGPR_CNT(num_shared_vgpr_blocks);
750 break;
751 case MESA_SHADER_TESS_CTRL:
752 if (pdevice->rad_info.chip_class >= GFX9) {
753 /* We need at least 2 components for LS.
754 * VGPR0-3: (VertexID, RelAutoindex, InstanceID / StepRate0, InstanceID).
755 * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
756 */
757 if (pdevice->rad_info.chip_class >= GFX10) {
758 vgpr_comp_cnt = info->vs.needs_instance_id ? 3 : 1;
759 } else {
760 vgpr_comp_cnt = info->vs.needs_instance_id ? 2 : 1;
761 }
762 } else {
763 config_out->rsrc2 |= S_00B12C_OC_LDS_EN(1);
764 }
765 config_out->rsrc1 |= S_00B428_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10) |
766 S_00B848_WGP_MODE(pdevice->rad_info.chip_class >= GFX10);
767 config_out->rsrc2 |= S_00B42C_SHARED_VGPR_CNT(num_shared_vgpr_blocks);
768 break;
769 case MESA_SHADER_VERTEX:
770 if (info->is_ngg) {
771 config_out->rsrc1 |= S_00B228_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10);
772 } else if (info->vs.as_ls) {
773 assert(pdevice->rad_info.chip_class <= GFX8);
774 /* We need at least 2 components for LS.
775 * VGPR0-3: (VertexID, RelAutoindex, InstanceID / StepRate0, InstanceID).
776 * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
777 */
778 vgpr_comp_cnt = info->vs.needs_instance_id ? 2 : 1;
779 } else if (info->vs.as_es) {
780 assert(pdevice->rad_info.chip_class <= GFX8);
781 /* VGPR0-3: (VertexID, InstanceID / StepRate0, ...) */
782 vgpr_comp_cnt = info->vs.needs_instance_id ? 1 : 0;
783 } else {
784 /* VGPR0-3: (VertexID, InstanceID / StepRate0, PrimID, InstanceID)
785 * If PrimID is disabled. InstanceID / StepRate1 is loaded instead.
786 * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
787 */
788 if (info->vs.needs_instance_id && pdevice->rad_info.chip_class >= GFX10) {
789 vgpr_comp_cnt = 3;
790 } else if (info->vs.export_prim_id) {
791 vgpr_comp_cnt = 2;
792 } else if (info->vs.needs_instance_id) {
793 vgpr_comp_cnt = 1;
794 } else {
795 vgpr_comp_cnt = 0;
796 }
797
798 config_out->rsrc1 |= S_00B128_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10);
799 config_out->rsrc2 |= S_00B12C_SHARED_VGPR_CNT(num_shared_vgpr_blocks);
800 }
801 break;
802 case MESA_SHADER_FRAGMENT:
803 config_out->rsrc1 |= S_00B028_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10);
804 config_out->rsrc2 |= S_00B02C_SHARED_VGPR_CNT(num_shared_vgpr_blocks);
805 break;
806 case MESA_SHADER_GEOMETRY:
807 config_out->rsrc1 |= S_00B228_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10) |
808 S_00B848_WGP_MODE(pdevice->rad_info.chip_class >= GFX10);
809 config_out->rsrc2 |= S_00B22C_SHARED_VGPR_CNT(num_shared_vgpr_blocks);
810 break;
811 case MESA_SHADER_COMPUTE:
812 config_out->rsrc1 |= S_00B848_MEM_ORDERED(pdevice->rad_info.chip_class >= GFX10) |
813 S_00B848_WGP_MODE(pdevice->rad_info.chip_class >= GFX10);
814 config_out->rsrc2 |=
815 S_00B84C_TGID_X_EN(info->cs.uses_block_id[0]) |
816 S_00B84C_TGID_Y_EN(info->cs.uses_block_id[1]) |
817 S_00B84C_TGID_Z_EN(info->cs.uses_block_id[2]) |
818 S_00B84C_TIDIG_COMP_CNT(info->cs.uses_thread_id[2] ? 2 :
819 info->cs.uses_thread_id[1] ? 1 : 0) |
820 S_00B84C_TG_SIZE_EN(info->cs.uses_local_invocation_idx) |
821 S_00B84C_LDS_SIZE(config_in->lds_size);
822 config_out->rsrc3 |= S_00B8A0_SHARED_VGPR_CNT(num_shared_vgpr_blocks);
823
824 break;
825 default:
826 unreachable("unsupported shader type");
827 break;
828 }
829
830 if (pdevice->rad_info.chip_class >= GFX10 && info->is_ngg &&
831 (stage == MESA_SHADER_VERTEX || stage == MESA_SHADER_TESS_EVAL || stage == MESA_SHADER_GEOMETRY)) {
832 unsigned gs_vgpr_comp_cnt, es_vgpr_comp_cnt;
833 gl_shader_stage es_stage = stage;
834 if (stage == MESA_SHADER_GEOMETRY)
835 es_stage = info->gs.es_type;
836
837 /* VGPR5-8: (VertexID, UserVGPR0, UserVGPR1, UserVGPR2 / InstanceID) */
838 if (es_stage == MESA_SHADER_VERTEX) {
839 es_vgpr_comp_cnt = info->vs.needs_instance_id ? 3 : 0;
840 } else if (es_stage == MESA_SHADER_TESS_EVAL) {
841 bool enable_prim_id = info->tes.export_prim_id || info->uses_prim_id;
842 es_vgpr_comp_cnt = enable_prim_id ? 3 : 2;
843 } else
844 unreachable("Unexpected ES shader stage");
845
846 bool tes_triangles = stage == MESA_SHADER_TESS_EVAL &&
847 info->tes.primitive_mode >= 4; /* GL_TRIANGLES */
848 if (info->uses_invocation_id || stage == MESA_SHADER_VERTEX) {
849 gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */
850 } else if (info->uses_prim_id) {
851 gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */
852 } else if (info->gs.vertices_in >= 3 || tes_triangles) {
853 gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */
854 } else {
855 gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */
856 }
857
858 config_out->rsrc1 |= S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt) |
859 S_00B228_WGP_MODE(1);
860 config_out->rsrc2 |= S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt) |
861 S_00B22C_LDS_SIZE(config_in->lds_size) |
862 S_00B22C_OC_LDS_EN(es_stage == MESA_SHADER_TESS_EVAL);
863 } else if (pdevice->rad_info.chip_class >= GFX9 &&
864 stage == MESA_SHADER_GEOMETRY) {
865 unsigned es_type = info->gs.es_type;
866 unsigned gs_vgpr_comp_cnt, es_vgpr_comp_cnt;
867
868 if (es_type == MESA_SHADER_VERTEX) {
869 /* VGPR0-3: (VertexID, InstanceID / StepRate0, ...) */
870 if (info->vs.needs_instance_id) {
871 es_vgpr_comp_cnt = pdevice->rad_info.chip_class >= GFX10 ? 3 : 1;
872 } else {
873 es_vgpr_comp_cnt = 0;
874 }
875 } else if (es_type == MESA_SHADER_TESS_EVAL) {
876 es_vgpr_comp_cnt = info->uses_prim_id ? 3 : 2;
877 } else {
878 unreachable("invalid shader ES type");
879 }
880
881 /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and
882 * VGPR[0:4] are always loaded.
883 */
884 if (info->uses_invocation_id) {
885 gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */
886 } else if (info->uses_prim_id) {
887 gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */
888 } else if (info->gs.vertices_in >= 3) {
889 gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */
890 } else {
891 gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */
892 }
893
894 config_out->rsrc1 |= S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt);
895 config_out->rsrc2 |= S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt) |
896 S_00B22C_OC_LDS_EN(es_type == MESA_SHADER_TESS_EVAL);
897 } else if (pdevice->rad_info.chip_class >= GFX9 &&
898 stage == MESA_SHADER_TESS_CTRL) {
899 config_out->rsrc1 |= S_00B428_LS_VGPR_COMP_CNT(vgpr_comp_cnt);
900 } else {
901 config_out->rsrc1 |= S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt);
902 }
903 }
904
905 struct radv_shader_variant *
906 radv_shader_variant_create(struct radv_device *device,
907 const struct radv_shader_binary *binary,
908 bool keep_shader_info)
909 {
910 struct ac_shader_config config = {0};
911 struct ac_rtld_binary rtld_binary = {0};
912 struct radv_shader_variant *variant = calloc(1, sizeof(struct radv_shader_variant));
913 if (!variant)
914 return NULL;
915
916 variant->ref_count = 1;
917
918 if (binary->type == RADV_BINARY_TYPE_RTLD) {
919 struct ac_rtld_symbol lds_symbols[2];
920 unsigned num_lds_symbols = 0;
921 const char *elf_data = (const char *)((struct radv_shader_binary_rtld *)binary)->data;
922 size_t elf_size = ((struct radv_shader_binary_rtld *)binary)->elf_size;
923
924 if (device->physical_device->rad_info.chip_class >= GFX9 &&
925 (binary->stage == MESA_SHADER_GEOMETRY || binary->info.is_ngg) &&
926 !binary->is_gs_copy_shader) {
927 /* We add this symbol even on LLVM <= 8 to ensure that
928 * shader->config.lds_size is set correctly below.
929 */
930 struct ac_rtld_symbol *sym = &lds_symbols[num_lds_symbols++];
931 sym->name = "esgs_ring";
932 sym->size = binary->info.ngg_info.esgs_ring_size;
933 sym->align = 64 * 1024;
934 }
935
936 if (binary->info.is_ngg &&
937 binary->stage == MESA_SHADER_GEOMETRY) {
938 struct ac_rtld_symbol *sym = &lds_symbols[num_lds_symbols++];
939 sym->name = "ngg_emit";
940 sym->size = binary->info.ngg_info.ngg_emit_size * 4;
941 sym->align = 4;
942 }
943
944 struct ac_rtld_open_info open_info = {
945 .info = &device->physical_device->rad_info,
946 .shader_type = binary->stage,
947 .wave_size = binary->info.wave_size,
948 .num_parts = 1,
949 .elf_ptrs = &elf_data,
950 .elf_sizes = &elf_size,
951 .num_shared_lds_symbols = num_lds_symbols,
952 .shared_lds_symbols = lds_symbols,
953 };
954
955 if (!ac_rtld_open(&rtld_binary, open_info)) {
956 free(variant);
957 return NULL;
958 }
959
960 if (!ac_rtld_read_config(&rtld_binary, &config)) {
961 ac_rtld_close(&rtld_binary);
962 free(variant);
963 return NULL;
964 }
965
966 /* Enable 64-bit and 16-bit denormals, because there is no performance
967 * cost.
968 *
969 * If denormals are enabled, all floating-point output modifiers are
970 * ignored.
971 *
972 * Don't enable denormals for 32-bit floats, because:
973 * - Floating-point output modifiers would be ignored by the hw.
974 * - Some opcodes don't support denormals, such as v_mad_f32. We would
975 * have to stop using those.
976 * - GFX6 & GFX7 would be very slow.
977 */
978 config.float_mode |= V_00B028_FP_64_DENORMS;
979
980 if (rtld_binary.lds_size > 0) {
981 unsigned alloc_granularity = device->physical_device->rad_info.chip_class >= GFX7 ? 512 : 256;
982 config.lds_size = align(rtld_binary.lds_size, alloc_granularity) / alloc_granularity;
983 }
984
985 variant->code_size = rtld_binary.rx_size;
986 variant->exec_size = rtld_binary.exec_size;
987 } else {
988 assert(binary->type == RADV_BINARY_TYPE_LEGACY);
989 config = ((struct radv_shader_binary_legacy *)binary)->config;
990 variant->code_size = radv_get_shader_binary_size(((struct radv_shader_binary_legacy *)binary)->code_size);
991 variant->exec_size = ((struct radv_shader_binary_legacy *)binary)->exec_size;
992 }
993
994 variant->info = binary->info;
995 radv_postprocess_config(device->physical_device, &config, &binary->info,
996 binary->stage, &variant->config);
997
998 if (radv_device_use_secure_compile(device->instance)) {
999 if (binary->type == RADV_BINARY_TYPE_RTLD)
1000 ac_rtld_close(&rtld_binary);
1001
1002 return variant;
1003 }
1004
1005 void *dest_ptr = radv_alloc_shader_memory(device, variant);
1006
1007 if (binary->type == RADV_BINARY_TYPE_RTLD) {
1008 struct radv_shader_binary_rtld* bin = (struct radv_shader_binary_rtld *)binary;
1009 struct ac_rtld_upload_info info = {
1010 .binary = &rtld_binary,
1011 .rx_va = radv_buffer_get_va(variant->bo) + variant->bo_offset,
1012 .rx_ptr = dest_ptr,
1013 };
1014
1015 if (!ac_rtld_upload(&info)) {
1016 radv_shader_variant_destroy(device, variant);
1017 ac_rtld_close(&rtld_binary);
1018 return NULL;
1019 }
1020
1021 if (keep_shader_info ||
1022 (device->instance->debug_flags & RADV_DEBUG_DUMP_SHADERS)) {
1023 const char *disasm_data;
1024 size_t disasm_size;
1025 if (!ac_rtld_get_section_by_name(&rtld_binary, ".AMDGPU.disasm", &disasm_data, &disasm_size)) {
1026 radv_shader_variant_destroy(device, variant);
1027 ac_rtld_close(&rtld_binary);
1028 return NULL;
1029 }
1030
1031 variant->ir_string = bin->llvm_ir_size ? strdup((const char*)(bin->data + bin->elf_size)) : NULL;
1032 variant->disasm_string = malloc(disasm_size + 1);
1033 memcpy(variant->disasm_string, disasm_data, disasm_size);
1034 variant->disasm_string[disasm_size] = 0;
1035 }
1036
1037 ac_rtld_close(&rtld_binary);
1038 } else {
1039 struct radv_shader_binary_legacy* bin = (struct radv_shader_binary_legacy *)binary;
1040 memcpy(dest_ptr, bin->data, bin->code_size);
1041
1042 /* Add end-of-code markers for the UMR disassembler. */
1043 uint32_t *ptr32 = (uint32_t *)dest_ptr + bin->code_size / 4;
1044 for (unsigned i = 0; i < DEBUGGER_NUM_MARKERS; i++)
1045 ptr32[i] = DEBUGGER_END_OF_CODE_MARKER;
1046
1047 variant->ir_string = bin->ir_size ? strdup((const char*)(bin->data + bin->code_size)) : NULL;
1048 variant->disasm_string = bin->disasm_size ? strdup((const char*)(bin->data + bin->code_size + bin->ir_size)) : NULL;
1049 }
1050 return variant;
1051 }
1052
1053 static char *
1054 radv_dump_nir_shaders(struct nir_shader * const *shaders,
1055 int shader_count)
1056 {
1057 char *data = NULL;
1058 char *ret = NULL;
1059 size_t size = 0;
1060 FILE *f = open_memstream(&data, &size);
1061 if (f) {
1062 for (int i = 0; i < shader_count; ++i)
1063 nir_print_shader(shaders[i], f);
1064 fclose(f);
1065 }
1066
1067 ret = malloc(size + 1);
1068 if (ret) {
1069 memcpy(ret, data, size);
1070 ret[size] = 0;
1071 }
1072 free(data);
1073 return ret;
1074 }
1075
1076 static struct radv_shader_variant *
1077 shader_variant_compile(struct radv_device *device,
1078 struct radv_shader_module *module,
1079 struct nir_shader * const *shaders,
1080 int shader_count,
1081 gl_shader_stage stage,
1082 struct radv_shader_info *info,
1083 struct radv_nir_compiler_options *options,
1084 bool gs_copy_shader,
1085 bool keep_shader_info,
1086 bool use_aco,
1087 struct radv_shader_binary **binary_out)
1088 {
1089 enum radeon_family chip_family = device->physical_device->rad_info.family;
1090 struct radv_shader_binary *binary = NULL;
1091
1092 options->family = chip_family;
1093 options->chip_class = device->physical_device->rad_info.chip_class;
1094 options->dump_shader = radv_can_dump_shader(device, module, gs_copy_shader);
1095 options->dump_preoptir = options->dump_shader &&
1096 device->instance->debug_flags & RADV_DEBUG_PREOPTIR;
1097 options->record_ir = keep_shader_info;
1098 options->check_ir = device->instance->debug_flags & RADV_DEBUG_CHECKIR;
1099 options->tess_offchip_block_dw_size = device->tess_offchip_block_dw_size;
1100 options->address32_hi = device->physical_device->rad_info.address32_hi;
1101 options->has_ls_vgpr_init_bug = device->physical_device->rad_info.has_ls_vgpr_init_bug;
1102 options->use_ngg_streamout = device->physical_device->use_ngg_streamout;
1103
1104 struct radv_shader_args args = {};
1105 args.options = options;
1106 args.shader_info = info;
1107 args.is_gs_copy_shader = gs_copy_shader;
1108 radv_declare_shader_args(&args,
1109 gs_copy_shader ? MESA_SHADER_VERTEX
1110 : shaders[shader_count - 1]->info.stage,
1111 shader_count >= 2,
1112 shader_count >= 2 ? shaders[shader_count - 2]->info.stage
1113 : MESA_SHADER_VERTEX);
1114
1115 if (!use_aco || options->dump_shader || options->record_ir)
1116 ac_init_llvm_once();
1117
1118 if (use_aco) {
1119 aco_compile_shader(shader_count, shaders, &binary, &args);
1120 binary->info = *info;
1121 } else {
1122 enum ac_target_machine_options tm_options = 0;
1123 struct ac_llvm_compiler ac_llvm;
1124 bool thread_compiler;
1125
1126 tm_options |= AC_TM_SUPPORTS_SPILL;
1127 if (options->check_ir)
1128 tm_options |= AC_TM_CHECK_IR;
1129 if (device->instance->debug_flags & RADV_DEBUG_NO_LOAD_STORE_OPT)
1130 tm_options |= AC_TM_NO_LOAD_STORE_OPT;
1131
1132 thread_compiler = !(device->instance->debug_flags & RADV_DEBUG_NOTHREADLLVM);
1133 radv_init_llvm_compiler(&ac_llvm,
1134 thread_compiler,
1135 chip_family, tm_options,
1136 info->wave_size);
1137
1138 if (gs_copy_shader) {
1139 assert(shader_count == 1);
1140 radv_compile_gs_copy_shader(&ac_llvm, *shaders, &binary,
1141 &args);
1142 } else {
1143 radv_compile_nir_shader(&ac_llvm, &binary, &args,
1144 shaders, shader_count);
1145 }
1146
1147 binary->info = *info;
1148 radv_destroy_llvm_compiler(&ac_llvm, thread_compiler);
1149 }
1150
1151 struct radv_shader_variant *variant = radv_shader_variant_create(device, binary,
1152 keep_shader_info);
1153 if (!variant) {
1154 free(binary);
1155 return NULL;
1156 }
1157 variant->aco_used = use_aco;
1158
1159 if (options->dump_shader) {
1160 fprintf(stderr, "disasm:\n%s\n", variant->disasm_string);
1161 }
1162
1163
1164 if (keep_shader_info) {
1165 variant->nir_string = radv_dump_nir_shaders(shaders, shader_count);
1166 if (!gs_copy_shader && !module->nir) {
1167 variant->spirv = malloc(module->size);
1168 if (!variant->spirv) {
1169 free(variant);
1170 free(binary);
1171 return NULL;
1172 }
1173
1174 memcpy(variant->spirv, module->data, module->size);
1175 variant->spirv_size = module->size;
1176 }
1177 }
1178
1179 if (binary_out)
1180 *binary_out = binary;
1181 else
1182 free(binary);
1183
1184 return variant;
1185 }
1186
1187 struct radv_shader_variant *
1188 radv_shader_variant_compile(struct radv_device *device,
1189 struct radv_shader_module *module,
1190 struct nir_shader *const *shaders,
1191 int shader_count,
1192 struct radv_pipeline_layout *layout,
1193 const struct radv_shader_variant_key *key,
1194 struct radv_shader_info *info,
1195 bool keep_shader_info,
1196 bool use_aco,
1197 struct radv_shader_binary **binary_out)
1198 {
1199 struct radv_nir_compiler_options options = {0};
1200
1201 options.layout = layout;
1202 if (key)
1203 options.key = *key;
1204
1205 options.explicit_scratch_args = use_aco;
1206 options.robust_buffer_access = device->robust_buffer_access;
1207
1208 return shader_variant_compile(device, module, shaders, shader_count, shaders[shader_count - 1]->info.stage, info,
1209 &options, false, keep_shader_info, use_aco, binary_out);
1210 }
1211
1212 struct radv_shader_variant *
1213 radv_create_gs_copy_shader(struct radv_device *device,
1214 struct nir_shader *shader,
1215 struct radv_shader_info *info,
1216 struct radv_shader_binary **binary_out,
1217 bool keep_shader_info,
1218 bool multiview, bool use_aco)
1219 {
1220 struct radv_nir_compiler_options options = {0};
1221
1222 options.explicit_scratch_args = use_aco;
1223 options.key.has_multiview_view_index = multiview;
1224
1225 return shader_variant_compile(device, NULL, &shader, 1, MESA_SHADER_VERTEX,
1226 info, &options, true, keep_shader_info, use_aco, binary_out);
1227 }
1228
1229 void
1230 radv_shader_variant_destroy(struct radv_device *device,
1231 struct radv_shader_variant *variant)
1232 {
1233 if (!p_atomic_dec_zero(&variant->ref_count))
1234 return;
1235
1236 mtx_lock(&device->shader_slab_mutex);
1237 list_del(&variant->slab_list);
1238 mtx_unlock(&device->shader_slab_mutex);
1239
1240 free(variant->spirv);
1241 free(variant->nir_string);
1242 free(variant->disasm_string);
1243 free(variant->ir_string);
1244 free(variant);
1245 }
1246
1247 const char *
1248 radv_get_shader_name(struct radv_shader_info *info,
1249 gl_shader_stage stage)
1250 {
1251 switch (stage) {
1252 case MESA_SHADER_VERTEX:
1253 if (info->vs.as_ls)
1254 return "Vertex Shader as LS";
1255 else if (info->vs.as_es)
1256 return "Vertex Shader as ES";
1257 else if (info->is_ngg)
1258 return "Vertex Shader as ESGS";
1259 else
1260 return "Vertex Shader as VS";
1261 case MESA_SHADER_TESS_CTRL:
1262 return "Tessellation Control Shader";
1263 case MESA_SHADER_TESS_EVAL:
1264 if (info->tes.as_es)
1265 return "Tessellation Evaluation Shader as ES";
1266 else if (info->is_ngg)
1267 return "Tessellation Evaluation Shader as ESGS";
1268 else
1269 return "Tessellation Evaluation Shader as VS";
1270 case MESA_SHADER_GEOMETRY:
1271 return "Geometry Shader";
1272 case MESA_SHADER_FRAGMENT:
1273 return "Pixel Shader";
1274 case MESA_SHADER_COMPUTE:
1275 return "Compute Shader";
1276 default:
1277 return "Unknown shader";
1278 };
1279 }
1280
1281 unsigned
1282 radv_get_max_workgroup_size(enum chip_class chip_class,
1283 gl_shader_stage stage,
1284 const unsigned *sizes)
1285 {
1286 switch (stage) {
1287 case MESA_SHADER_TESS_CTRL:
1288 return chip_class >= GFX7 ? 128 : 64;
1289 case MESA_SHADER_GEOMETRY:
1290 return chip_class >= GFX9 ? 128 : 64;
1291 case MESA_SHADER_COMPUTE:
1292 break;
1293 default:
1294 return 0;
1295 }
1296
1297 unsigned max_workgroup_size = sizes[0] * sizes[1] * sizes[2];
1298 return max_workgroup_size;
1299 }
1300
1301 unsigned
1302 radv_get_max_waves(struct radv_device *device,
1303 struct radv_shader_variant *variant,
1304 gl_shader_stage stage)
1305 {
1306 enum chip_class chip_class = device->physical_device->rad_info.chip_class;
1307 unsigned lds_increment = chip_class >= GFX7 ? 512 : 256;
1308 uint8_t wave_size = variant->info.wave_size;
1309 struct ac_shader_config *conf = &variant->config;
1310 unsigned max_simd_waves;
1311 unsigned lds_per_wave = 0;
1312
1313 max_simd_waves = device->physical_device->rad_info.max_wave64_per_simd;
1314
1315 if (stage == MESA_SHADER_FRAGMENT) {
1316 lds_per_wave = conf->lds_size * lds_increment +
1317 align(variant->info.ps.num_interp * 48,
1318 lds_increment);
1319 } else if (stage == MESA_SHADER_COMPUTE) {
1320 unsigned max_workgroup_size =
1321 radv_get_max_workgroup_size(chip_class, stage, variant->info.cs.block_size);
1322 lds_per_wave = (conf->lds_size * lds_increment) /
1323 DIV_ROUND_UP(max_workgroup_size, wave_size);
1324 }
1325
1326 if (conf->num_sgprs) {
1327 unsigned sgprs = align(conf->num_sgprs, chip_class >= GFX8 ? 16 : 8);
1328 max_simd_waves =
1329 MIN2(max_simd_waves,
1330 device->physical_device->rad_info.num_physical_sgprs_per_simd /
1331 sgprs);
1332 }
1333
1334 if (conf->num_vgprs) {
1335 unsigned vgprs = align(conf->num_vgprs, wave_size == 32 ? 8 : 4);
1336 max_simd_waves =
1337 MIN2(max_simd_waves,
1338 device->physical_device->rad_info.num_physical_wave64_vgprs_per_simd / vgprs);
1339 }
1340
1341 unsigned max_lds_per_simd = device->physical_device->rad_info.lds_size_per_workgroup / device->physical_device->rad_info.num_simd_per_compute_unit;
1342 if (lds_per_wave)
1343 max_simd_waves = MIN2(max_simd_waves, max_lds_per_simd / lds_per_wave);
1344
1345 return max_simd_waves;
1346 }
1347
1348 static void
1349 generate_shader_stats(struct radv_device *device,
1350 struct radv_shader_variant *variant,
1351 gl_shader_stage stage,
1352 struct _mesa_string_buffer *buf)
1353 {
1354 struct ac_shader_config *conf = &variant->config;
1355 unsigned max_simd_waves = radv_get_max_waves(device, variant, stage);
1356
1357 if (stage == MESA_SHADER_FRAGMENT) {
1358 _mesa_string_buffer_printf(buf, "*** SHADER CONFIG ***\n"
1359 "SPI_PS_INPUT_ADDR = 0x%04x\n"
1360 "SPI_PS_INPUT_ENA = 0x%04x\n",
1361 conf->spi_ps_input_addr, conf->spi_ps_input_ena);
1362 }
1363
1364 _mesa_string_buffer_printf(buf, "*** SHADER STATS ***\n"
1365 "SGPRS: %d\n"
1366 "VGPRS: %d\n"
1367 "Spilled SGPRs: %d\n"
1368 "Spilled VGPRs: %d\n"
1369 "PrivMem VGPRS: %d\n"
1370 "Code Size: %d bytes\n"
1371 "LDS: %d blocks\n"
1372 "Scratch: %d bytes per wave\n"
1373 "Max Waves: %d\n"
1374 "********************\n\n\n",
1375 conf->num_sgprs, conf->num_vgprs,
1376 conf->spilled_sgprs, conf->spilled_vgprs,
1377 variant->info.private_mem_vgprs, variant->exec_size,
1378 conf->lds_size, conf->scratch_bytes_per_wave,
1379 max_simd_waves);
1380 }
1381
1382 void
1383 radv_shader_dump_stats(struct radv_device *device,
1384 struct radv_shader_variant *variant,
1385 gl_shader_stage stage,
1386 FILE *file)
1387 {
1388 struct _mesa_string_buffer *buf = _mesa_string_buffer_create(NULL, 256);
1389
1390 generate_shader_stats(device, variant, stage, buf);
1391
1392 fprintf(file, "\n%s:\n", radv_get_shader_name(&variant->info, stage));
1393 fprintf(file, "%s", buf->buf);
1394
1395 _mesa_string_buffer_destroy(buf);
1396 }
1397
1398 VkResult
1399 radv_GetShaderInfoAMD(VkDevice _device,
1400 VkPipeline _pipeline,
1401 VkShaderStageFlagBits shaderStage,
1402 VkShaderInfoTypeAMD infoType,
1403 size_t* pInfoSize,
1404 void* pInfo)
1405 {
1406 RADV_FROM_HANDLE(radv_device, device, _device);
1407 RADV_FROM_HANDLE(radv_pipeline, pipeline, _pipeline);
1408 gl_shader_stage stage = vk_to_mesa_shader_stage(shaderStage);
1409 struct radv_shader_variant *variant = pipeline->shaders[stage];
1410 struct _mesa_string_buffer *buf;
1411 VkResult result = VK_SUCCESS;
1412
1413 /* Spec doesn't indicate what to do if the stage is invalid, so just
1414 * return no info for this. */
1415 if (!variant)
1416 return vk_error(device->instance, VK_ERROR_FEATURE_NOT_PRESENT);
1417
1418 switch (infoType) {
1419 case VK_SHADER_INFO_TYPE_STATISTICS_AMD:
1420 if (!pInfo) {
1421 *pInfoSize = sizeof(VkShaderStatisticsInfoAMD);
1422 } else {
1423 unsigned lds_multiplier = device->physical_device->rad_info.chip_class >= GFX7 ? 512 : 256;
1424 struct ac_shader_config *conf = &variant->config;
1425
1426 VkShaderStatisticsInfoAMD statistics = {};
1427 statistics.shaderStageMask = shaderStage;
1428 statistics.numPhysicalVgprs = device->physical_device->rad_info.num_physical_wave64_vgprs_per_simd;
1429 statistics.numPhysicalSgprs = device->physical_device->rad_info.num_physical_sgprs_per_simd;
1430 statistics.numAvailableSgprs = statistics.numPhysicalSgprs;
1431
1432 if (stage == MESA_SHADER_COMPUTE) {
1433 unsigned *local_size = variant->info.cs.block_size;
1434 unsigned workgroup_size = local_size[0] * local_size[1] * local_size[2];
1435
1436 statistics.numAvailableVgprs = statistics.numPhysicalVgprs /
1437 ceil((double)workgroup_size / statistics.numPhysicalVgprs);
1438
1439 statistics.computeWorkGroupSize[0] = local_size[0];
1440 statistics.computeWorkGroupSize[1] = local_size[1];
1441 statistics.computeWorkGroupSize[2] = local_size[2];
1442 } else {
1443 statistics.numAvailableVgprs = statistics.numPhysicalVgprs;
1444 }
1445
1446 statistics.resourceUsage.numUsedVgprs = conf->num_vgprs;
1447 statistics.resourceUsage.numUsedSgprs = conf->num_sgprs;
1448 statistics.resourceUsage.ldsSizePerLocalWorkGroup = 32768;
1449 statistics.resourceUsage.ldsUsageSizeInBytes = conf->lds_size * lds_multiplier;
1450 statistics.resourceUsage.scratchMemUsageInBytes = conf->scratch_bytes_per_wave;
1451
1452 size_t size = *pInfoSize;
1453 *pInfoSize = sizeof(statistics);
1454
1455 memcpy(pInfo, &statistics, MIN2(size, *pInfoSize));
1456
1457 if (size < *pInfoSize)
1458 result = VK_INCOMPLETE;
1459 }
1460
1461 break;
1462 case VK_SHADER_INFO_TYPE_DISASSEMBLY_AMD:
1463 buf = _mesa_string_buffer_create(NULL, 1024);
1464
1465 _mesa_string_buffer_printf(buf, "%s:\n", radv_get_shader_name(&variant->info, stage));
1466 _mesa_string_buffer_printf(buf, "%s\n\n", variant->ir_string);
1467 _mesa_string_buffer_printf(buf, "%s\n\n", variant->disasm_string);
1468 generate_shader_stats(device, variant, stage, buf);
1469
1470 /* Need to include the null terminator. */
1471 size_t length = buf->length + 1;
1472
1473 if (!pInfo) {
1474 *pInfoSize = length;
1475 } else {
1476 size_t size = *pInfoSize;
1477 *pInfoSize = length;
1478
1479 memcpy(pInfo, buf->buf, MIN2(size, length));
1480
1481 if (size < length)
1482 result = VK_INCOMPLETE;
1483 }
1484
1485 _mesa_string_buffer_destroy(buf);
1486 break;
1487 default:
1488 /* VK_SHADER_INFO_TYPE_BINARY_AMD unimplemented for now. */
1489 result = VK_ERROR_FEATURE_NOT_PRESENT;
1490 break;
1491 }
1492
1493 return result;
1494 }