1 /*
2 * Copyright © 2017 Intel Corporation
3 * Copyright © 2022 Collabora, Ltd
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "vk_descriptor_update_template.h"
26
27 #include "vk_common_entrypoints.h"
28 #include "vk_device.h"
29 #include "vk_log.h"
30
31 VKAPI_ATTR VkResult VKAPI_CALL
vk_common_CreateDescriptorUpdateTemplate(VkDevice _device,const VkDescriptorUpdateTemplateCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkDescriptorUpdateTemplate * pDescriptorUpdateTemplate)32 vk_common_CreateDescriptorUpdateTemplate(VkDevice _device,
33 const VkDescriptorUpdateTemplateCreateInfo *pCreateInfo,
34 const VkAllocationCallbacks *pAllocator,
35 VkDescriptorUpdateTemplate *pDescriptorUpdateTemplate)
36 {
37 VK_FROM_HANDLE(vk_device, device, _device);
38 struct vk_descriptor_update_template *template;
39
40 uint32_t entry_count = 0;
41 for (uint32_t i = 0; i < pCreateInfo->descriptorUpdateEntryCount; i++) {
42 if (pCreateInfo->pDescriptorUpdateEntries[i].descriptorCount > 0)
43 entry_count++;
44 }
45
46 size_t size = sizeof(*template) + entry_count * sizeof(template->entries[0]);
47 template = vk_object_alloc(device, pAllocator, size,
48 VK_OBJECT_TYPE_DESCRIPTOR_UPDATE_TEMPLATE);
49 if (template == NULL)
50 return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
51
52 template->type = pCreateInfo->templateType;
53 template->bind_point = pCreateInfo->pipelineBindPoint;
54
55 if (template->type == VK_DESCRIPTOR_UPDATE_TEMPLATE_TYPE_DESCRIPTOR_SET)
56 template->set = pCreateInfo->set;
57
58 uint32_t entry_idx = 0;
59 template->entry_count = entry_count;
60 for (uint32_t i = 0; i < pCreateInfo->descriptorUpdateEntryCount; i++) {
61 const VkDescriptorUpdateTemplateEntry *pEntry =
62 &pCreateInfo->pDescriptorUpdateEntries[i];
63
64 if (pEntry->descriptorCount == 0)
65 continue;
66
67 template->entries[entry_idx++] = (struct vk_descriptor_template_entry) {
68 .type = pEntry->descriptorType,
69 .binding = pEntry->dstBinding,
70 .array_element = pEntry->dstArrayElement,
71 .array_count = pEntry->descriptorCount,
72 .offset = pEntry->offset,
73 .stride = pEntry->stride,
74 };
75 }
76 assert(entry_idx == entry_count);
77
78 *pDescriptorUpdateTemplate =
79 vk_descriptor_update_template_to_handle(template);
80
81 return VK_SUCCESS;
82 }
83
84 VKAPI_ATTR void VKAPI_CALL
vk_common_DestroyDescriptorUpdateTemplate(VkDevice _device,VkDescriptorUpdateTemplate descriptorUpdateTemplate,const VkAllocationCallbacks * pAllocator)85 vk_common_DestroyDescriptorUpdateTemplate(VkDevice _device,
86 VkDescriptorUpdateTemplate descriptorUpdateTemplate,
87 const VkAllocationCallbacks *pAllocator)
88 {
89 VK_FROM_HANDLE(vk_device, device, _device);
90 VK_FROM_HANDLE(vk_descriptor_update_template, template,
91 descriptorUpdateTemplate);
92
93 if (!template)
94 return;
95
96 vk_object_free(device, pAllocator, template);
97 }
98