Index: gpu/vulkan/vulkan_descriptor_pool.cc |
diff --git a/gpu/vulkan/vulkan_descriptor_pool.cc b/gpu/vulkan/vulkan_descriptor_pool.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..99fd107c921b73773f5b022045db7de003d77404 |
--- /dev/null |
+++ b/gpu/vulkan/vulkan_descriptor_pool.cc |
@@ -0,0 +1,79 @@ |
+// Copyright (c) 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "gpu/vulkan/vulkan_descriptor_pool.h" |
+ |
+#include "base/logging.h" |
+#include "base/memory/ptr_util.h" |
+#include "gpu/vulkan/vulkan_descriptor_set.h" |
+#include "gpu/vulkan/vulkan_device_queue.h" |
+ |
+namespace gpu { |
+ |
+VulkanDescriptorPool::VulkanDescriptorPool(VulkanDeviceQueue* device_queue) |
+ : device_queue_(device_queue) {} |
+ |
+VulkanDescriptorPool::~VulkanDescriptorPool() { |
+ DCHECK_EQ(static_cast<VkDescriptorPool>(VK_NULL_HANDLE), handle_); |
+ DCHECK_EQ(0u, descriptor_count_); |
+} |
+ |
+bool VulkanDescriptorPool::Initialize( |
+ uint32_t max_descriptor_sets, |
+ const std::vector<VkDescriptorPoolSize>& pool_sizes) { |
+ DCHECK_EQ(static_cast<VkDescriptorPool>(VK_NULL_HANDLE), handle_); |
+ max_descriptor_sets_ = max_descriptor_sets; |
+ |
+ VkDescriptorPoolCreateInfo descriptor_pool_create_info = {}; |
+ descriptor_pool_create_info.sType = |
+ VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; |
+ descriptor_pool_create_info.flags = |
+ VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; |
+ descriptor_pool_create_info.maxSets = max_descriptor_sets; |
+ descriptor_pool_create_info.poolSizeCount = |
+ static_cast<uint32_t>(pool_sizes.size()); |
+ descriptor_pool_create_info.pPoolSizes = pool_sizes.data(); |
+ |
+ VkResult result = |
+ vkCreateDescriptorPool(device_queue_->GetVulkanDevice(), |
+ &descriptor_pool_create_info, nullptr, &handle_); |
+ if (VK_SUCCESS != result) { |
+ DLOG(ERROR) << "vkCreateDescriptorPool() failed: " << result; |
+ return false; |
+ } |
+ |
+ return true; |
+} |
+ |
+void VulkanDescriptorPool::Destroy() { |
+ DCHECK_EQ(0u, descriptor_count_); |
+ if (VK_NULL_HANDLE != handle_) { |
+ vkDestroyDescriptorPool(device_queue_->GetVulkanDevice(), handle_, nullptr); |
+ handle_ = VK_NULL_HANDLE; |
+ } |
+ |
+ max_descriptor_sets_ = 0; |
+} |
+ |
+std::unique_ptr<VulkanDescriptorSet> VulkanDescriptorPool::CreateDescriptorSet( |
+ const VulkanDescriptorLayout* layout) { |
+ std::unique_ptr<VulkanDescriptorSet> descriptor_set( |
+ new VulkanDescriptorSet(device_queue_, this)); |
+ if (!descriptor_set->Initialize(layout)) { |
+ return nullptr; |
+ } |
+ return descriptor_set; |
+} |
+ |
+void VulkanDescriptorPool::IncrementDescriptorSetCount() { |
+ DCHECK_LT(descriptor_count_, max_descriptor_sets_); |
+ descriptor_count_++; |
+} |
+ |
+void VulkanDescriptorPool::DecrementDescriptorSetCount() { |
+ DCHECK_LT(0u, descriptor_count_); |
+ descriptor_count_--; |
+} |
+ |
+} // namespace gpu |