1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "src/gpu/vk/GrVkDescriptorPool.h"
9
10 #include "include/private/SkTemplates.h"
11 #include "src/gpu/vk/GrVkGpu.h"
12
13
GrVkDescriptorPool(const GrVkGpu * gpu,VkDescriptorType type,uint32_t count)14 GrVkDescriptorPool::GrVkDescriptorPool(const GrVkGpu* gpu, VkDescriptorType type, uint32_t count)
15 : INHERITED()
16 , fType (type)
17 , fCount(count) {
18 VkDescriptorPoolSize poolSize;
19 memset(&poolSize, 0, sizeof(VkDescriptorPoolSize));
20 poolSize.descriptorCount = count;
21 poolSize.type = type;
22
23 VkDescriptorPoolCreateInfo createInfo;
24 memset(&createInfo, 0, sizeof(VkDescriptorPoolCreateInfo));
25 createInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
26 createInfo.pNext = nullptr;
27 createInfo.flags = 0;
28 // This is an over/conservative estimate since each set may contain more than count descriptors.
29 createInfo.maxSets = count;
30 createInfo.poolSizeCount = 1;
31 createInfo.pPoolSizes = &poolSize;
32
33 GR_VK_CALL_ERRCHECK(gpu->vkInterface(), CreateDescriptorPool(gpu->device(),
34 &createInfo,
35 nullptr,
36 &fDescPool));
37 }
38
isCompatible(VkDescriptorType type,uint32_t count) const39 bool GrVkDescriptorPool::isCompatible(VkDescriptorType type, uint32_t count) const {
40 return fType == type && count <= fCount;
41 }
42
reset(const GrVkGpu * gpu)43 void GrVkDescriptorPool::reset(const GrVkGpu* gpu) {
44 GR_VK_CALL_ERRCHECK(gpu->vkInterface(), ResetDescriptorPool(gpu->device(), fDescPool, 0));
45 }
46
freeGPUData(GrVkGpu * gpu) const47 void GrVkDescriptorPool::freeGPUData(GrVkGpu* gpu) const {
48 // Destroying the VkDescriptorPool will automatically free and delete any VkDescriptorSets
49 // allocated from the pool.
50 GR_VK_CALL(gpu->vkInterface(), DestroyDescriptorPool(gpu->device(), fDescPool, nullptr));
51 }
52