2 * Copyright © 2015 Intel Corporation
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
30 #include "anv_private.h"
33 * Descriptor set layouts.
36 VkResult
anv_CreateDescriptorSetLayout(
38 const VkDescriptorSetLayoutCreateInfo
* pCreateInfo
,
39 const VkAllocationCallbacks
* pAllocator
,
40 VkDescriptorSetLayout
* pSetLayout
)
42 ANV_FROM_HANDLE(anv_device
, device
, _device
);
43 struct anv_descriptor_set_layout
*set_layout
;
45 assert(pCreateInfo
->sType
== VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO
);
47 uint32_t max_binding
= 0;
48 uint32_t immutable_sampler_count
= 0;
49 for (uint32_t j
= 0; j
< pCreateInfo
->bindingCount
; j
++) {
50 max_binding
= MAX2(max_binding
, pCreateInfo
->pBindings
[j
].binding
);
51 if (pCreateInfo
->pBindings
[j
].pImmutableSamplers
)
52 immutable_sampler_count
+= pCreateInfo
->pBindings
[j
].descriptorCount
;
55 size_t size
= sizeof(struct anv_descriptor_set_layout
) +
56 (max_binding
+ 1) * sizeof(set_layout
->binding
[0]) +
57 immutable_sampler_count
* sizeof(struct anv_sampler
*);
59 set_layout
= anv_alloc2(&device
->alloc
, pAllocator
, size
, 8,
60 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT
);
62 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
64 /* We just allocate all the samplers at the end of the struct */
65 struct anv_sampler
**samplers
=
66 (struct anv_sampler
**)&set_layout
->binding
[max_binding
+ 1];
68 set_layout
->binding_count
= max_binding
+ 1;
69 set_layout
->shader_stages
= 0;
72 for (uint32_t b
= 0; b
<= max_binding
; b
++) {
73 /* Initialize all binding_layout entries to -1 */
74 memset(&set_layout
->binding
[b
], -1, sizeof(set_layout
->binding
[b
]));
76 set_layout
->binding
[b
].immutable_samplers
= NULL
;
79 /* Initialize all samplers to 0 */
80 memset(samplers
, 0, immutable_sampler_count
* sizeof(*samplers
));
82 uint32_t sampler_count
[MESA_SHADER_STAGES
] = { 0, };
83 uint32_t surface_count
[MESA_SHADER_STAGES
] = { 0, };
84 uint32_t image_count
[MESA_SHADER_STAGES
] = { 0, };
85 uint32_t buffer_count
= 0;
86 uint32_t dynamic_offset_count
= 0;
88 for (uint32_t j
= 0; j
< pCreateInfo
->bindingCount
; j
++) {
89 const VkDescriptorSetLayoutBinding
*binding
= &pCreateInfo
->pBindings
[j
];
90 uint32_t b
= binding
->binding
;
92 assert(binding
->descriptorCount
> 0);
93 set_layout
->binding
[b
].array_size
= binding
->descriptorCount
;
94 set_layout
->binding
[b
].descriptor_index
= set_layout
->size
;
95 set_layout
->size
+= binding
->descriptorCount
;
97 switch (binding
->descriptorType
) {
98 case VK_DESCRIPTOR_TYPE_SAMPLER
:
99 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
:
100 anv_foreach_stage(s
, binding
->stageFlags
) {
101 set_layout
->binding
[b
].stage
[s
].sampler_index
= sampler_count
[s
];
102 sampler_count
[s
] += binding
->descriptorCount
;
109 switch (binding
->descriptorType
) {
110 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
:
111 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER
:
112 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
:
113 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
:
114 set_layout
->binding
[b
].buffer_index
= buffer_count
;
115 buffer_count
+= binding
->descriptorCount
;
118 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
:
119 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE
:
120 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE
:
121 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER
:
122 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER
:
123 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT
:
124 anv_foreach_stage(s
, binding
->stageFlags
) {
125 set_layout
->binding
[b
].stage
[s
].surface_index
= surface_count
[s
];
126 surface_count
[s
] += binding
->descriptorCount
;
133 switch (binding
->descriptorType
) {
134 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
:
135 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
:
136 set_layout
->binding
[b
].dynamic_offset_index
= dynamic_offset_count
;
137 dynamic_offset_count
+= binding
->descriptorCount
;
143 switch (binding
->descriptorType
) {
144 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE
:
145 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER
:
146 anv_foreach_stage(s
, binding
->stageFlags
) {
147 set_layout
->binding
[b
].stage
[s
].image_index
= image_count
[s
];
148 image_count
[s
] += binding
->descriptorCount
;
155 if (binding
->pImmutableSamplers
) {
156 set_layout
->binding
[b
].immutable_samplers
= samplers
;
157 samplers
+= binding
->descriptorCount
;
159 for (uint32_t i
= 0; i
< binding
->descriptorCount
; i
++)
160 set_layout
->binding
[b
].immutable_samplers
[i
] =
161 anv_sampler_from_handle(binding
->pImmutableSamplers
[i
]);
163 set_layout
->binding
[b
].immutable_samplers
= NULL
;
166 set_layout
->shader_stages
|= binding
->stageFlags
;
169 set_layout
->buffer_count
= buffer_count
;
170 set_layout
->dynamic_offset_count
= dynamic_offset_count
;
172 *pSetLayout
= anv_descriptor_set_layout_to_handle(set_layout
);
177 void anv_DestroyDescriptorSetLayout(
179 VkDescriptorSetLayout _set_layout
,
180 const VkAllocationCallbacks
* pAllocator
)
182 ANV_FROM_HANDLE(anv_device
, device
, _device
);
183 ANV_FROM_HANDLE(anv_descriptor_set_layout
, set_layout
, _set_layout
);
185 anv_free2(&device
->alloc
, pAllocator
, set_layout
);
189 * Pipeline layouts. These have nothing to do with the pipeline. They are
190 * just muttiple descriptor set layouts pasted together
193 VkResult
anv_CreatePipelineLayout(
195 const VkPipelineLayoutCreateInfo
* pCreateInfo
,
196 const VkAllocationCallbacks
* pAllocator
,
197 VkPipelineLayout
* pPipelineLayout
)
199 ANV_FROM_HANDLE(anv_device
, device
, _device
);
200 struct anv_pipeline_layout
*layout
;
202 assert(pCreateInfo
->sType
== VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO
);
204 layout
= anv_alloc2(&device
->alloc
, pAllocator
, sizeof(*layout
), 8,
205 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT
);
207 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
209 layout
->num_sets
= pCreateInfo
->setLayoutCount
;
211 unsigned dynamic_offset_count
= 0;
213 memset(layout
->stage
, 0, sizeof(layout
->stage
));
214 for (uint32_t set
= 0; set
< pCreateInfo
->setLayoutCount
; set
++) {
215 ANV_FROM_HANDLE(anv_descriptor_set_layout
, set_layout
,
216 pCreateInfo
->pSetLayouts
[set
]);
217 layout
->set
[set
].layout
= set_layout
;
219 layout
->set
[set
].dynamic_offset_start
= dynamic_offset_count
;
220 for (uint32_t b
= 0; b
< set_layout
->binding_count
; b
++) {
221 if (set_layout
->binding
[b
].dynamic_offset_index
< 0)
224 dynamic_offset_count
+= set_layout
->binding
[b
].array_size
;
225 for (gl_shader_stage s
= 0; s
< MESA_SHADER_STAGES
; s
++) {
226 if (set_layout
->binding
[b
].stage
[s
].surface_index
>= 0)
227 layout
->stage
[s
].has_dynamic_offsets
= true;
232 *pPipelineLayout
= anv_pipeline_layout_to_handle(layout
);
237 void anv_DestroyPipelineLayout(
239 VkPipelineLayout _pipelineLayout
,
240 const VkAllocationCallbacks
* pAllocator
)
242 ANV_FROM_HANDLE(anv_device
, device
, _device
);
243 ANV_FROM_HANDLE(anv_pipeline_layout
, pipeline_layout
, _pipelineLayout
);
245 anv_free2(&device
->alloc
, pAllocator
, pipeline_layout
);
251 * These are implemented using a big pool of memory and a free-list for the
252 * host memory allocations and a state_stream and a free list for the buffer
253 * view surface state. The spec allows us to fail to allocate due to
254 * fragmentation in all cases but two: 1) after pool reset, allocating up
255 * until the pool size with no freeing must succeed and 2) allocating and
256 * freeing only descriptor sets with the same layout. Case 1) is easy enogh,
257 * and the free lists lets us recycle blocks for case 2).
262 VkResult
anv_CreateDescriptorPool(
264 const VkDescriptorPoolCreateInfo
* pCreateInfo
,
265 const VkAllocationCallbacks
* pAllocator
,
266 VkDescriptorPool
* pDescriptorPool
)
268 ANV_FROM_HANDLE(anv_device
, device
, _device
);
269 struct anv_descriptor_pool
*pool
;
271 uint32_t descriptor_count
= 0;
272 uint32_t buffer_count
= 0;
273 for (uint32_t i
= 0; i
< pCreateInfo
->poolSizeCount
; i
++) {
274 switch (pCreateInfo
->pPoolSizes
[i
].type
) {
275 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
:
276 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER
:
277 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
:
278 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
:
279 buffer_count
+= pCreateInfo
->pPoolSizes
[i
].descriptorCount
;
281 descriptor_count
+= pCreateInfo
->pPoolSizes
[i
].descriptorCount
;
288 pCreateInfo
->maxSets
* sizeof(struct anv_descriptor_set
) +
289 descriptor_count
* sizeof(struct anv_descriptor
) +
290 buffer_count
* sizeof(struct anv_buffer_view
);
292 pool
= anv_alloc2(&device
->alloc
, pAllocator
, size
, 8,
293 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT
);
295 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
299 pool
->free_list
= EMPTY
;
301 anv_state_stream_init(&pool
->surface_state_stream
,
302 &device
->surface_state_block_pool
);
303 pool
->surface_state_free_list
= NULL
;
305 *pDescriptorPool
= anv_descriptor_pool_to_handle(pool
);
310 void anv_DestroyDescriptorPool(
312 VkDescriptorPool _pool
,
313 const VkAllocationCallbacks
* pAllocator
)
315 ANV_FROM_HANDLE(anv_device
, device
, _device
);
316 ANV_FROM_HANDLE(anv_descriptor_pool
, pool
, _pool
);
318 anv_state_stream_finish(&pool
->surface_state_stream
);
319 anv_free2(&device
->alloc
, pAllocator
, pool
);
322 VkResult
anv_ResetDescriptorPool(
324 VkDescriptorPool descriptorPool
,
325 VkDescriptorPoolResetFlags flags
)
327 ANV_FROM_HANDLE(anv_device
, device
, _device
);
328 ANV_FROM_HANDLE(anv_descriptor_pool
, pool
, descriptorPool
);
331 pool
->free_list
= EMPTY
;
332 anv_state_stream_finish(&pool
->surface_state_stream
);
333 anv_state_stream_init(&pool
->surface_state_stream
,
334 &device
->surface_state_block_pool
);
335 pool
->surface_state_free_list
= NULL
;
340 struct pool_free_list_entry
{
346 layout_size(const struct anv_descriptor_set_layout
*layout
)
349 sizeof(struct anv_descriptor_set
) +
350 layout
->size
* sizeof(struct anv_descriptor
) +
351 layout
->buffer_count
* sizeof(struct anv_buffer_view
);
354 struct surface_state_free_list_entry
{
360 anv_descriptor_set_create(struct anv_device
*device
,
361 struct anv_descriptor_pool
*pool
,
362 const struct anv_descriptor_set_layout
*layout
,
363 struct anv_descriptor_set
**out_set
)
365 struct anv_descriptor_set
*set
;
366 const size_t size
= layout_size(layout
);
369 if (size
<= pool
->size
- pool
->next
) {
370 set
= (struct anv_descriptor_set
*) (pool
->data
+ pool
->next
);
373 struct pool_free_list_entry
*entry
;
374 uint32_t *link
= &pool
->free_list
;
375 for (uint32_t f
= pool
->free_list
; f
!= EMPTY
; f
= entry
->next
) {
376 entry
= (struct pool_free_list_entry
*) (pool
->data
+ f
);
377 if (size
<= entry
->size
) {
379 set
= (struct anv_descriptor_set
*) entry
;
387 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
390 set
->layout
= layout
;
392 (struct anv_buffer_view
*) &set
->descriptors
[layout
->size
];
393 set
->buffer_count
= layout
->buffer_count
;
395 /* Go through and fill out immutable samplers if we have any */
396 struct anv_descriptor
*desc
= set
->descriptors
;
397 for (uint32_t b
= 0; b
< layout
->binding_count
; b
++) {
398 if (layout
->binding
[b
].immutable_samplers
) {
399 for (uint32_t i
= 0; i
< layout
->binding
[b
].array_size
; i
++) {
400 /* The type will get changed to COMBINED_IMAGE_SAMPLER in
401 * UpdateDescriptorSets if needed. However, if the descriptor
402 * set has an immutable sampler, UpdateDescriptorSets may never
403 * touch it, so we need to make sure it's 100% valid now.
405 desc
[i
] = (struct anv_descriptor
) {
406 .type
= VK_DESCRIPTOR_TYPE_SAMPLER
,
407 .sampler
= layout
->binding
[b
].immutable_samplers
[i
],
411 desc
+= layout
->binding
[b
].array_size
;
414 /* Allocate surface state for the buffer views. */
415 for (uint32_t b
= 0; b
< layout
->buffer_count
; b
++) {
416 struct surface_state_free_list_entry
*entry
=
417 pool
->surface_state_free_list
;
418 struct anv_state state
;
422 state
.offset
= entry
->offset
;
423 state
.alloc_size
= 64;
424 pool
->surface_state_free_list
= entry
->next
;
426 state
= anv_state_stream_alloc(&pool
->surface_state_stream
, 64, 64);
429 set
->buffer_views
[b
].surface_state
= state
;
438 anv_descriptor_set_destroy(struct anv_device
*device
,
439 struct anv_descriptor_pool
*pool
,
440 struct anv_descriptor_set
*set
)
442 /* Put the buffer view surface state back on the free list. */
443 for (uint32_t b
= 0; b
< set
->buffer_count
; b
++) {
444 struct surface_state_free_list_entry
*entry
=
445 set
->buffer_views
[b
].surface_state
.map
;
446 entry
->next
= pool
->surface_state_free_list
;
447 pool
->surface_state_free_list
= entry
;
450 /* Put the descriptor set allocation back on the free list. */
451 const uint32_t index
= (char *) set
- pool
->data
;
452 if (index
+ set
->size
== pool
->next
) {
455 struct pool_free_list_entry
*entry
= (struct pool_free_list_entry
*) set
;
456 entry
->next
= pool
->free_list
;
457 entry
->size
= set
->size
;
458 pool
->free_list
= (char *) entry
- pool
->data
;
462 VkResult
anv_AllocateDescriptorSets(
464 const VkDescriptorSetAllocateInfo
* pAllocateInfo
,
465 VkDescriptorSet
* pDescriptorSets
)
467 ANV_FROM_HANDLE(anv_device
, device
, _device
);
468 ANV_FROM_HANDLE(anv_descriptor_pool
, pool
, pAllocateInfo
->descriptorPool
);
470 VkResult result
= VK_SUCCESS
;
471 struct anv_descriptor_set
*set
;
474 for (i
= 0; i
< pAllocateInfo
->descriptorSetCount
; i
++) {
475 ANV_FROM_HANDLE(anv_descriptor_set_layout
, layout
,
476 pAllocateInfo
->pSetLayouts
[i
]);
478 result
= anv_descriptor_set_create(device
, pool
, layout
, &set
);
479 if (result
!= VK_SUCCESS
)
482 pDescriptorSets
[i
] = anv_descriptor_set_to_handle(set
);
485 if (result
!= VK_SUCCESS
)
486 anv_FreeDescriptorSets(_device
, pAllocateInfo
->descriptorPool
,
492 VkResult
anv_FreeDescriptorSets(
494 VkDescriptorPool descriptorPool
,
496 const VkDescriptorSet
* pDescriptorSets
)
498 ANV_FROM_HANDLE(anv_device
, device
, _device
);
499 ANV_FROM_HANDLE(anv_descriptor_pool
, pool
, descriptorPool
);
501 for (uint32_t i
= 0; i
< count
; i
++) {
502 ANV_FROM_HANDLE(anv_descriptor_set
, set
, pDescriptorSets
[i
]);
504 anv_descriptor_set_destroy(device
, pool
, set
);
510 void anv_UpdateDescriptorSets(
512 uint32_t descriptorWriteCount
,
513 const VkWriteDescriptorSet
* pDescriptorWrites
,
514 uint32_t descriptorCopyCount
,
515 const VkCopyDescriptorSet
* pDescriptorCopies
)
517 ANV_FROM_HANDLE(anv_device
, device
, _device
);
519 for (uint32_t i
= 0; i
< descriptorWriteCount
; i
++) {
520 const VkWriteDescriptorSet
*write
= &pDescriptorWrites
[i
];
521 ANV_FROM_HANDLE(anv_descriptor_set
, set
, write
->dstSet
);
522 const struct anv_descriptor_set_binding_layout
*bind_layout
=
523 &set
->layout
->binding
[write
->dstBinding
];
524 struct anv_descriptor
*desc
=
525 &set
->descriptors
[bind_layout
->descriptor_index
];
526 desc
+= write
->dstArrayElement
;
528 switch (write
->descriptorType
) {
529 case VK_DESCRIPTOR_TYPE_SAMPLER
:
530 for (uint32_t j
= 0; j
< write
->descriptorCount
; j
++) {
531 ANV_FROM_HANDLE(anv_sampler
, sampler
,
532 write
->pImageInfo
[j
].sampler
);
534 desc
[j
] = (struct anv_descriptor
) {
535 .type
= VK_DESCRIPTOR_TYPE_SAMPLER
,
541 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
:
542 for (uint32_t j
= 0; j
< write
->descriptorCount
; j
++) {
543 ANV_FROM_HANDLE(anv_image_view
, iview
,
544 write
->pImageInfo
[j
].imageView
);
545 ANV_FROM_HANDLE(anv_sampler
, sampler
,
546 write
->pImageInfo
[j
].sampler
);
548 desc
[j
].type
= VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
;
549 desc
[j
].image_view
= iview
;
551 /* If this descriptor has an immutable sampler, we don't want
555 desc
[j
].sampler
= sampler
;
559 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE
:
560 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE
:
561 for (uint32_t j
= 0; j
< write
->descriptorCount
; j
++) {
562 ANV_FROM_HANDLE(anv_image_view
, iview
,
563 write
->pImageInfo
[j
].imageView
);
565 desc
[j
] = (struct anv_descriptor
) {
566 .type
= write
->descriptorType
,
572 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER
:
573 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER
:
574 for (uint32_t j
= 0; j
< write
->descriptorCount
; j
++) {
575 ANV_FROM_HANDLE(anv_buffer_view
, bview
,
576 write
->pTexelBufferView
[j
]);
578 desc
[j
] = (struct anv_descriptor
) {
579 .type
= write
->descriptorType
,
580 .buffer_view
= bview
,
585 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT
:
586 anv_finishme("input attachments not implemented");
589 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
:
590 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER
:
591 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
:
592 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
:
593 for (uint32_t j
= 0; j
< write
->descriptorCount
; j
++) {
594 assert(write
->pBufferInfo
[j
].buffer
);
595 ANV_FROM_HANDLE(anv_buffer
, buffer
, write
->pBufferInfo
[j
].buffer
);
598 struct anv_buffer_view
*view
=
599 &set
->buffer_views
[bind_layout
->buffer_index
];
600 view
+= write
->dstArrayElement
+ j
;
602 const struct anv_format
*format
=
603 anv_format_for_descriptor_type(write
->descriptorType
);
605 view
->format
= format
->isl_format
;
606 view
->bo
= buffer
->bo
;
607 view
->offset
= buffer
->offset
+ write
->pBufferInfo
[j
].offset
;
609 /* For buffers with dynamic offsets, we use the full possible
610 * range in the surface state and do the actual range-checking
613 if (bind_layout
->dynamic_offset_index
>= 0 ||
614 write
->pBufferInfo
[j
].range
== VK_WHOLE_SIZE
)
615 view
->range
= buffer
->size
- write
->pBufferInfo
[j
].offset
;
617 view
->range
= write
->pBufferInfo
[j
].range
;
619 anv_fill_buffer_surface_state(device
, view
->surface_state
,
621 view
->offset
, view
->range
, 1);
623 desc
[j
] = (struct anv_descriptor
) {
624 .type
= write
->descriptorType
,
635 for (uint32_t i
= 0; i
< descriptorCopyCount
; i
++) {
636 const VkCopyDescriptorSet
*copy
= &pDescriptorCopies
[i
];
637 ANV_FROM_HANDLE(anv_descriptor_set
, src
, copy
->dstSet
);
638 ANV_FROM_HANDLE(anv_descriptor_set
, dst
, copy
->dstSet
);
640 const struct anv_descriptor_set_binding_layout
*src_layout
=
641 &src
->layout
->binding
[copy
->srcBinding
];
642 struct anv_descriptor
*src_desc
=
643 &src
->descriptors
[src_layout
->descriptor_index
];
644 src_desc
+= copy
->srcArrayElement
;
646 const struct anv_descriptor_set_binding_layout
*dst_layout
=
647 &dst
->layout
->binding
[copy
->dstBinding
];
648 struct anv_descriptor
*dst_desc
=
649 &dst
->descriptors
[dst_layout
->descriptor_index
];
650 dst_desc
+= copy
->dstArrayElement
;
652 for (uint32_t j
= 0; j
< copy
->descriptorCount
; j
++)
653 dst_desc
[j
] = src_desc
[j
];