1 // Copyright 2018 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "VkDescriptorUpdateTemplate.hpp"
16 #include "VkDescriptorSet.hpp"
17 #include "VkDescriptorSetLayout.hpp"
18 #include <cstring>
19
20 namespace vk {
21
DescriptorUpdateTemplate(const VkDescriptorUpdateTemplateCreateInfo * pCreateInfo,void * mem)22 DescriptorUpdateTemplate::DescriptorUpdateTemplate(const VkDescriptorUpdateTemplateCreateInfo *pCreateInfo, void *mem)
23 : descriptorUpdateEntryCount(pCreateInfo->descriptorUpdateEntryCount)
24 , descriptorUpdateEntries(reinterpret_cast<VkDescriptorUpdateTemplateEntry *>(mem))
25 , descriptorSetLayout(vk::Cast(pCreateInfo->descriptorSetLayout))
26 {
27 for(uint32_t i = 0; i < descriptorUpdateEntryCount; i++)
28 {
29 descriptorUpdateEntries[i] = pCreateInfo->pDescriptorUpdateEntries[i];
30 }
31 }
32
ComputeRequiredAllocationSize(const VkDescriptorUpdateTemplateCreateInfo * info)33 size_t DescriptorUpdateTemplate::ComputeRequiredAllocationSize(const VkDescriptorUpdateTemplateCreateInfo *info)
34 {
35 return info->descriptorUpdateEntryCount * sizeof(VkDescriptorUpdateTemplateEntry);
36 }
37
updateDescriptorSet(Device * device,VkDescriptorSet vkDescriptorSet,const void * pData)38 void DescriptorUpdateTemplate::updateDescriptorSet(Device *device, VkDescriptorSet vkDescriptorSet, const void *pData)
39 {
40
41 DescriptorSet *descriptorSet = vk::Cast(vkDescriptorSet);
42
43 for(uint32_t i = 0; i < descriptorUpdateEntryCount; i++)
44 {
45 DescriptorSetLayout::WriteDescriptorSet(device, descriptorSet, descriptorUpdateEntries[i],
46 reinterpret_cast<char const *>(pData));
47 }
48 }
49
50 } // namespace vk