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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/vulkan/vulkan_command_pool.h"
#include "base/logging.h"
#include "gpu/vulkan/vulkan_command_buffer.h"
#include "gpu/vulkan/vulkan_device_queue.h"
#include "gpu/vulkan/vulkan_function_pointers.h"
namespace gpu {
VulkanCommandPool::VulkanCommandPool(VulkanDeviceQueue* device_queue)
: device_queue_(device_queue) {}
VulkanCommandPool::~VulkanCommandPool() {
DCHECK_EQ(0u, command_buffer_count_);
DCHECK_EQ(static_cast<VkCommandPool>(VK_NULL_HANDLE), handle_);
}
bool VulkanCommandPool::Initialize() {
VkCommandPoolCreateInfo command_pool_create_info = {};
command_pool_create_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
command_pool_create_info.flags =
VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
command_pool_create_info.queueFamilyIndex =
device_queue_->GetVulkanQueueIndex();
VkResult result =
vkCreateCommandPool(device_queue_->GetVulkanDevice(),
&command_pool_create_info, nullptr, &handle_);
if (VK_SUCCESS != result) {
DLOG(ERROR) << "vkCreateCommandPool() failed: " << result;
return false;
}
return true;
}
void VulkanCommandPool::Destroy() {
DCHECK_EQ(0u, command_buffer_count_);
if (VK_NULL_HANDLE != handle_) {
vkDestroyCommandPool(device_queue_->GetVulkanDevice(), handle_, nullptr);
handle_ = VK_NULL_HANDLE;
}
}
std::unique_ptr<VulkanCommandBuffer>
VulkanCommandPool::CreatePrimaryCommandBuffer() {
std::unique_ptr<VulkanCommandBuffer> command_buffer(
new VulkanCommandBuffer(device_queue_, this, true));
if (!command_buffer->Initialize())
return nullptr;
return command_buffer;
}
std::unique_ptr<VulkanCommandBuffer>
VulkanCommandPool::CreateSecondaryCommandBuffer() {
auto command_buffer =
std::make_unique<VulkanCommandBuffer>(device_queue_, this, false);
if (!command_buffer->Initialize())
return nullptr;
return command_buffer;
}
void VulkanCommandPool::IncrementCommandBufferCount() {
command_buffer_count_++;
}
void VulkanCommandPool::DecrementCommandBufferCount() {
DCHECK_LT(0u, command_buffer_count_);
command_buffer_count_--;
}
} // namespace gpu
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