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
20namespace vk
21{
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
33 size_t DescriptorUpdateTemplate::ComputeRequiredAllocationSize(const VkDescriptorUpdateTemplateCreateInfo* info)
34 {
35 return info->descriptorUpdateEntryCount * sizeof(VkDescriptorUpdateTemplateEntry);
36 }
37
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}