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| 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "gpu/vulkan/vulkan_descriptor_pool.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 #include "base/memory/ptr_util.h" |
| 9 #include "gpu/vulkan/vulkan_descriptor_set.h" |
| 10 #include "gpu/vulkan/vulkan_device_queue.h" |
| 11 |
| 12 namespace gpu { |
| 13 |
| 14 VulkanDescriptorPool::VulkanDescriptorPool(VulkanDeviceQueue* device_queue) |
| 15 : device_queue_(device_queue) {} |
| 16 |
| 17 VulkanDescriptorPool::~VulkanDescriptorPool() { |
| 18 DCHECK_EQ(static_cast<VkDescriptorPool>(VK_NULL_HANDLE), handle_); |
| 19 DCHECK_EQ(0u, descriptor_count_); |
| 20 } |
| 21 |
| 22 bool VulkanDescriptorPool::Initialize( |
| 23 uint32_t max_descriptor_sets, |
| 24 const std::vector<VkDescriptorPoolSize>& pool_sizes) { |
| 25 DCHECK_EQ(static_cast<VkDescriptorPool>(VK_NULL_HANDLE), handle_); |
| 26 max_descriptor_sets_ = max_descriptor_sets; |
| 27 |
| 28 VkDescriptorPoolCreateInfo descriptor_pool_create_info = {}; |
| 29 descriptor_pool_create_info.sType = |
| 30 VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; |
| 31 descriptor_pool_create_info.flags = |
| 32 VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; |
| 33 descriptor_pool_create_info.maxSets = max_descriptor_sets; |
| 34 descriptor_pool_create_info.poolSizeCount = |
| 35 static_cast<uint32_t>(pool_sizes.size()); |
| 36 descriptor_pool_create_info.pPoolSizes = pool_sizes.data(); |
| 37 |
| 38 VkResult result = |
| 39 vkCreateDescriptorPool(device_queue_->GetVulkanDevice(), |
| 40 &descriptor_pool_create_info, nullptr, &handle_); |
| 41 if (VK_SUCCESS != result) { |
| 42 DLOG(ERROR) << "vkCreateDescriptorPool() failed: " << result; |
| 43 return false; |
| 44 } |
| 45 |
| 46 return true; |
| 47 } |
| 48 |
| 49 void VulkanDescriptorPool::Destroy() { |
| 50 DCHECK_EQ(0u, descriptor_count_); |
| 51 if (VK_NULL_HANDLE != handle_) { |
| 52 vkDestroyDescriptorPool(device_queue_->GetVulkanDevice(), handle_, nullptr); |
| 53 handle_ = VK_NULL_HANDLE; |
| 54 } |
| 55 |
| 56 max_descriptor_sets_ = 0; |
| 57 } |
| 58 |
| 59 std::unique_ptr<VulkanDescriptorSet> VulkanDescriptorPool::CreateDescriptorSet( |
| 60 const VulkanDescriptorLayout* layout) { |
| 61 std::unique_ptr<VulkanDescriptorSet> descriptor_set( |
| 62 new VulkanDescriptorSet(device_queue_, this)); |
| 63 if (!descriptor_set->Initialize(layout)) { |
| 64 return nullptr; |
| 65 } |
| 66 return descriptor_set; |
| 67 } |
| 68 |
| 69 void VulkanDescriptorPool::IncrementDescriptorSetCount() { |
| 70 DCHECK_LT(descriptor_count_, max_descriptor_sets_); |
| 71 descriptor_count_++; |
| 72 } |
| 73 |
| 74 void VulkanDescriptorPool::DecrementDescriptorSetCount() { |
| 75 DCHECK_LT(0u, descriptor_count_); |
| 76 descriptor_count_--; |
| 77 } |
| 78 |
| 79 } // namespace gpu |
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