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
31 #include "ac_binary.h"
32 #include "amd_family.h"
33 #include "radv_constants.h"
36 #include "vulkan/vulkan.h"
37 #include "vulkan/util/vk_object.h"
41 struct radv_shader_module
{
42 struct vk_object_base base
;
43 struct nir_shader
*nir
;
44 unsigned char sha1
[20];
50 RADV_ALPHA_ADJUST_NONE
= 0,
51 RADV_ALPHA_ADJUST_SNORM
= 1,
52 RADV_ALPHA_ADJUST_SINT
= 2,
53 RADV_ALPHA_ADJUST_SSCALED
= 3,
56 struct radv_vs_out_key
{
60 uint32_t as_ngg_passthrough
:1;
61 uint32_t export_prim_id
:1;
62 uint32_t export_layer_id
:1;
63 uint32_t export_clip_dists
:1;
64 uint32_t export_viewport_index
:1;
67 struct radv_vs_variant_key
{
68 struct radv_vs_out_key out
;
70 uint32_t instance_rate_inputs
;
71 uint32_t instance_rate_divisors
[MAX_VERTEX_ATTRIBS
];
72 uint8_t vertex_attribute_formats
[MAX_VERTEX_ATTRIBS
];
73 uint32_t vertex_attribute_bindings
[MAX_VERTEX_ATTRIBS
];
74 uint32_t vertex_attribute_offsets
[MAX_VERTEX_ATTRIBS
];
75 uint32_t vertex_attribute_strides
[MAX_VERTEX_ATTRIBS
];
77 /* For 2_10_10_10 formats the alpha is handled as unsigned by pre-vega HW.
78 * so we may need to fix it up. */
79 uint64_t alpha_adjust
;
81 /* For some formats the channels have to be shuffled. */
82 uint32_t post_shuffle
;
84 /* Output primitive type. */
88 struct radv_tes_variant_key
{
89 struct radv_vs_out_key out
;
92 uint8_t tcs_num_outputs
;
95 struct radv_tcs_variant_key
{
96 struct radv_vs_variant_key vs_key
;
97 unsigned primitive_mode
;
98 unsigned input_vertices
;
100 uint32_t tes_reads_tess_factors
:1;
103 struct radv_fs_variant_key
{
105 uint8_t log2_ps_iter_samples
;
112 struct radv_cs_variant_key
{
113 uint8_t subgroup_size
;
116 struct radv_shader_variant_key
{
118 struct radv_vs_variant_key vs
;
119 struct radv_fs_variant_key fs
;
120 struct radv_tes_variant_key tes
;
121 struct radv_tcs_variant_key tcs
;
122 struct radv_cs_variant_key cs
;
124 /* A common prefix of the vs and tes keys. */
125 struct radv_vs_out_key vs_common_out
;
127 bool has_multiview_view_index
;
130 struct radv_nir_compiler_options
{
131 struct radv_pipeline_layout
*layout
;
132 struct radv_shader_variant_key key
;
133 bool explicit_scratch_args
;
134 bool clamp_shadow_reference
;
135 bool robust_buffer_access
;
141 bool has_ls_vgpr_init_bug
;
142 bool use_ngg_streamout
;
143 bool enable_mrt_output_nan_fixup
;
144 enum radeon_family family
;
145 enum chip_class chip_class
;
146 uint32_t tess_offchip_block_dw_size
;
147 uint32_t address32_hi
;
151 AC_UD_SCRATCH_RING_OFFSETS
= 0,
152 AC_UD_PUSH_CONSTANTS
= 1,
153 AC_UD_INLINE_PUSH_CONSTANTS
= 2,
154 AC_UD_INDIRECT_DESCRIPTOR_SETS
= 3,
155 AC_UD_VIEW_INDEX
= 4,
156 AC_UD_STREAMOUT_BUFFERS
= 5,
157 AC_UD_NGG_GS_STATE
= 6,
158 AC_UD_SHADER_START
= 7,
159 AC_UD_VS_VERTEX_BUFFERS
= AC_UD_SHADER_START
,
160 AC_UD_VS_BASE_VERTEX_START_INSTANCE
,
163 AC_UD_CS_GRID_SIZE
= AC_UD_SHADER_START
,
168 AC_UD_MAX_UD
= AC_UD_TCS_MAX_UD
,
171 struct radv_stream_output
{
175 uint8_t component_mask
;
179 struct radv_streamout_info
{
180 uint16_t num_outputs
;
181 struct radv_stream_output outputs
[MAX_SO_OUTPUTS
];
182 uint16_t strides
[MAX_SO_BUFFERS
];
183 uint32_t enabled_stream_buffers_mask
;
186 struct radv_userdata_info
{
191 struct radv_userdata_locations
{
192 struct radv_userdata_info descriptor_sets
[MAX_SETS
];
193 struct radv_userdata_info shader_data
[AC_UD_MAX_UD
];
194 uint32_t descriptor_sets_enabled
;
197 struct radv_vs_output_info
{
198 uint8_t vs_output_param_offset
[VARYING_SLOT_MAX
];
199 uint8_t clip_dist_mask
;
200 uint8_t cull_dist_mask
;
201 uint8_t param_exports
;
202 bool writes_pointsize
;
204 bool writes_viewport_index
;
206 unsigned pos_exports
;
209 struct radv_es_output_info
{
210 uint32_t esgs_itemsize
;
213 struct gfx9_gs_info
{
214 uint32_t vgt_gs_onchip_cntl
;
215 uint32_t vgt_gs_max_prims_per_subgroup
;
216 uint32_t vgt_esgs_ring_itemsize
;
220 struct gfx10_ngg_info
{
221 uint16_t ngg_emit_size
; /* in dwords */
222 uint32_t hw_max_esverts
;
223 uint32_t max_gsprims
;
224 uint32_t max_out_verts
;
225 uint32_t prim_amp_factor
;
226 uint32_t vgt_esgs_ring_itemsize
;
227 uint32_t esgs_ring_size
;
228 bool max_vert_out_per_gs_instance
;
231 struct radv_shader_info
{
232 bool loads_push_constants
;
233 bool loads_dynamic_offsets
;
234 uint8_t min_push_constant_used
;
235 uint8_t max_push_constant_used
;
236 bool has_only_32bit_push_constants
;
237 bool has_indirect_push_constants
;
238 uint8_t num_inline_push_consts
;
239 uint8_t base_inline_push_consts
;
240 uint32_t desc_set_used_mask
;
241 bool needs_multiview_view_index
;
242 bool uses_invocation_id
;
245 uint8_t ballot_bit_size
;
246 struct radv_userdata_locations user_sgprs_locs
;
247 unsigned num_user_sgprs
;
248 unsigned num_input_sgprs
;
249 unsigned num_input_vgprs
;
250 unsigned private_mem_vgprs
;
251 bool need_indirect_descriptor_sets
;
253 bool is_ngg_passthrough
;
255 uint64_t ls_outputs_written
;
256 uint8_t input_usage_mask
[VERT_ATTRIB_MAX
];
257 uint8_t output_usage_mask
[VARYING_SLOT_VAR31
+ 1];
258 bool has_vertex_buffers
; /* needs vertex buffers and base/start */
260 bool needs_instance_id
;
261 struct radv_vs_output_info outinfo
;
262 struct radv_es_output_info es_info
;
266 uint8_t num_linked_outputs
;
269 uint8_t output_usage_mask
[VARYING_SLOT_VAR31
+ 1];
270 uint8_t num_stream_output_components
[4];
271 uint8_t output_streams
[VARYING_SLOT_VAR31
+ 1];
274 unsigned gsvs_vertex_size
;
275 unsigned max_gsvs_emit_size
;
276 unsigned vertices_in
;
277 unsigned vertices_out
;
278 unsigned output_prim
;
279 unsigned invocations
;
280 unsigned es_type
; /* GFX9: VS or TES */
281 uint8_t num_linked_inputs
;
284 uint8_t output_usage_mask
[VARYING_SLOT_VAR31
+ 1];
285 struct radv_vs_output_info outinfo
;
286 struct radv_es_output_info es_info
;
288 unsigned primitive_mode
;
289 enum gl_tess_spacing spacing
;
293 uint8_t num_linked_inputs
;
294 uint8_t num_linked_patch_inputs
;
295 uint8_t num_linked_outputs
;
298 bool force_persample
;
299 bool needs_sample_positions
;
303 bool writes_sample_mask
;
307 bool viewport_index_input
;
308 uint8_t num_input_clips_culls
;
310 uint32_t flat_shaded_mask
;
311 uint32_t explicit_shaded_mask
;
312 uint32_t float16_shaded_mask
;
314 uint32_t cb_shader_mask
;
316 bool early_fragment_test
;
317 bool post_depth_coverage
;
318 uint8_t depth_layout
;
322 bool uses_block_id
[3];
323 bool uses_thread_id
[3];
324 bool uses_local_invocation_idx
;
325 unsigned block_size
[3];
328 uint64_t outputs_written
;
329 uint64_t patch_outputs_written
;
330 uint64_t tes_inputs_read
;
331 uint64_t tes_patch_inputs_read
;
332 unsigned tcs_vertices_out
;
333 uint32_t num_patches
;
335 uint8_t num_linked_inputs
;
336 uint8_t num_linked_outputs
;
337 uint8_t num_linked_patch_outputs
;
340 struct radv_streamout_info so
;
342 struct gfx9_gs_info gs_ring_info
;
343 struct gfx10_ngg_info ngg_info
;
345 unsigned float_controls_mode
;
348 enum radv_shader_binary_type
{
349 RADV_BINARY_TYPE_LEGACY
,
350 RADV_BINARY_TYPE_RTLD
353 struct radv_shader_binary
{
354 enum radv_shader_binary_type type
;
355 gl_shader_stage stage
;
356 bool is_gs_copy_shader
;
358 struct radv_shader_info info
;
360 /* Self-referential size so we avoid consistency issues. */
364 struct radv_shader_binary_legacy
{
365 struct radv_shader_binary base
;
366 struct ac_shader_config config
;
370 unsigned disasm_size
;
373 /* data has size of stats_size + code_size + ir_size + disasm_size + 2,
374 * where the +2 is for 0 of the ir strings. */
378 struct radv_shader_binary_rtld
{
379 struct radv_shader_binary base
;
381 unsigned llvm_ir_size
;
385 struct radv_compiler_statistic_info
{
390 struct radv_compiler_statistics
{
392 struct radv_compiler_statistic_info
*infos
;
396 struct radv_shader_variant
{
399 struct radeon_winsys_bo
*bo
;
401 struct ac_shader_config config
;
404 struct radv_shader_info info
;
412 struct radv_compiler_statistics
*statistics
;
414 struct list_head slab_list
;
417 struct radv_shader_slab
{
418 struct list_head slabs
;
419 struct list_head shaders
;
420 struct radeon_winsys_bo
*bo
;
426 radv_optimize_nir(struct nir_shader
*shader
, bool optimize_conservatively
,
429 radv_nir_lower_ycbcr_textures(nir_shader
*shader
,
430 const struct radv_pipeline_layout
*layout
);
433 radv_shader_compile_to_nir(struct radv_device
*device
,
434 struct radv_shader_module
*module
,
435 const char *entrypoint_name
,
436 gl_shader_stage stage
,
437 const VkSpecializationInfo
*spec_info
,
438 const VkPipelineCreateFlags flags
,
439 const struct radv_pipeline_layout
*layout
,
440 unsigned subgroup_size
, unsigned ballot_bit_size
);
443 radv_destroy_shader_slabs(struct radv_device
*device
);
446 radv_create_shaders(struct radv_pipeline
*pipeline
,
447 struct radv_device
*device
,
448 struct radv_pipeline_cache
*cache
,
449 const struct radv_pipeline_key
*key
,
450 const VkPipelineShaderStageCreateInfo
**pStages
,
451 const VkPipelineCreateFlags flags
,
452 VkPipelineCreationFeedbackEXT
*pipeline_feedback
,
453 VkPipelineCreationFeedbackEXT
**stage_feedbacks
);
455 struct radv_shader_variant
*
456 radv_shader_variant_create(struct radv_device
*device
,
457 const struct radv_shader_binary
*binary
,
458 bool keep_shader_info
);
459 struct radv_shader_variant
*
460 radv_shader_variant_compile(struct radv_device
*device
,
461 struct radv_shader_module
*module
,
462 struct nir_shader
*const *shaders
,
464 struct radv_pipeline_layout
*layout
,
465 const struct radv_shader_variant_key
*key
,
466 struct radv_shader_info
*info
,
467 bool keep_shader_info
, bool keep_statistic_info
,
468 struct radv_shader_binary
**binary_out
);
470 struct radv_shader_variant
*
471 radv_create_gs_copy_shader(struct radv_device
*device
, struct nir_shader
*nir
,
472 struct radv_shader_info
*info
,
473 struct radv_shader_binary
**binary_out
,
474 bool multiview
, bool keep_shader_info
,
475 bool keep_statistic_info
);
478 radv_shader_variant_destroy(struct radv_device
*device
,
479 struct radv_shader_variant
*variant
);
483 radv_get_max_waves(struct radv_device
*device
,
484 struct radv_shader_variant
*variant
,
485 gl_shader_stage stage
);
488 radv_get_max_workgroup_size(enum chip_class chip_class
,
489 gl_shader_stage stage
,
490 const unsigned *sizes
);
493 radv_get_shader_name(struct radv_shader_info
*info
,
494 gl_shader_stage stage
);
497 radv_shader_dump_stats(struct radv_device
*device
,
498 struct radv_shader_variant
*variant
,
499 gl_shader_stage stage
,
503 radv_can_dump_shader(struct radv_device
*device
,
504 struct radv_shader_module
*module
,
505 bool is_gs_copy_shader
);
508 radv_can_dump_shader_stats(struct radv_device
*device
,
509 struct radv_shader_module
*module
);
511 static inline unsigned
512 shader_io_get_unique_index(gl_varying_slot slot
)
514 /* handle patch indices separate */
515 if (slot
== VARYING_SLOT_TESS_LEVEL_OUTER
)
517 if (slot
== VARYING_SLOT_TESS_LEVEL_INNER
)
519 if (slot
>= VARYING_SLOT_PATCH0
&& slot
<= VARYING_SLOT_TESS_MAX
)
520 return 2 + (slot
- VARYING_SLOT_PATCH0
);
521 if (slot
== VARYING_SLOT_POS
)
523 if (slot
== VARYING_SLOT_PSIZ
)
525 if (slot
== VARYING_SLOT_CLIP_DIST0
)
527 if (slot
== VARYING_SLOT_CLIP_DIST1
)
529 /* 3 is reserved for clip dist as well */
530 if (slot
>= VARYING_SLOT_VAR0
&& slot
<= VARYING_SLOT_VAR31
)
531 return 4 + (slot
- VARYING_SLOT_VAR0
);
532 unreachable("illegal slot in get unique index\n");
535 static inline unsigned
536 calculate_tess_lds_size(unsigned tcs_num_input_vertices
,
537 unsigned tcs_num_output_vertices
,
538 unsigned tcs_num_inputs
,
539 unsigned tcs_num_patches
,
540 unsigned tcs_num_outputs
,
541 unsigned tcs_num_patch_outputs
)
543 unsigned input_vertex_size
= tcs_num_inputs
* 16;
544 unsigned output_vertex_size
= tcs_num_outputs
* 16;
546 unsigned input_patch_size
= tcs_num_input_vertices
* input_vertex_size
;
548 unsigned pervertex_output_patch_size
= tcs_num_output_vertices
* output_vertex_size
;
549 unsigned output_patch_size
= pervertex_output_patch_size
+ tcs_num_patch_outputs
* 16;
551 unsigned output_patch0_offset
= input_patch_size
* tcs_num_patches
;
553 return output_patch0_offset
+ output_patch_size
* tcs_num_patches
;
556 static inline unsigned
557 get_tcs_num_patches(unsigned tcs_num_input_vertices
,
558 unsigned tcs_num_output_vertices
,
559 unsigned tcs_num_inputs
,
560 unsigned tcs_num_outputs
,
561 unsigned tcs_num_patch_outputs
,
562 unsigned tess_offchip_block_dw_size
,
563 enum chip_class chip_class
,
564 enum radeon_family family
)
566 uint32_t input_vertex_size
= tcs_num_inputs
* 16;
567 uint32_t input_patch_size
= tcs_num_input_vertices
* input_vertex_size
;
568 uint32_t output_vertex_size
= tcs_num_outputs
* 16;
569 uint32_t pervertex_output_patch_size
= tcs_num_output_vertices
* output_vertex_size
;
570 uint32_t output_patch_size
= pervertex_output_patch_size
+ tcs_num_patch_outputs
* 16;
572 /* Ensure that we only need one wave per SIMD so we don't need to check
573 * resource usage. Also ensures that the number of tcs in and out
574 * vertices per threadgroup are at most 256.
576 unsigned num_patches
= 64 / MAX2(tcs_num_input_vertices
, tcs_num_output_vertices
) * 4;
577 /* Make sure that the data fits in LDS. This assumes the shaders only
578 * use LDS for the inputs and outputs.
580 unsigned hardware_lds_size
= 32768;
582 /* Looks like STONEY hangs if we use more than 32 KiB LDS in a single
583 * threadgroup, even though there is more than 32 KiB LDS.
585 * Test: dEQP-VK.tessellation.shader_input_output.barrier
587 if (chip_class
>= GFX7
&& family
!= CHIP_STONEY
)
588 hardware_lds_size
= 65536;
590 num_patches
= MIN2(num_patches
, hardware_lds_size
/ (input_patch_size
+ output_patch_size
));
591 /* Make sure the output data fits in the offchip buffer */
592 num_patches
= MIN2(num_patches
, (tess_offchip_block_dw_size
* 4) / output_patch_size
);
593 /* Not necessary for correctness, but improves performance. The
594 * specific value is taken from the proprietary driver.
596 num_patches
= MIN2(num_patches
, 40);
598 /* GFX6 bug workaround - limit LS-HS threadgroups to only one wave. */
599 if (chip_class
== GFX6
) {
600 unsigned one_wave
= 64 / MAX2(tcs_num_input_vertices
, tcs_num_output_vertices
);
601 num_patches
= MIN2(num_patches
, one_wave
);
607 radv_lower_fs_io(nir_shader
*nir
);