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// 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_device_queue.h"
#include <unordered_set>
#include <vector>
#include "gpu/vulkan/vulkan_command_pool.h"
#include "gpu/vulkan/vulkan_implementation.h"
#include "gpu/vulkan/vulkan_platform.h"
#if defined(VK_USE_PLATFORM_XLIB_KHR)
#include "ui/gfx/x/x11_types.h"
#endif // defined(VK_USE_PLATFORM_XLIB_KHR)
namespace gpu {
VulkanDeviceQueue::VulkanDeviceQueue() {}
VulkanDeviceQueue::~VulkanDeviceQueue() {
DCHECK_EQ(static_cast<VkPhysicalDevice>(VK_NULL_HANDLE), vk_physical_device_);
DCHECK_EQ(static_cast<VkDevice>(VK_NULL_HANDLE), vk_device_);
DCHECK_EQ(static_cast<VkQueue>(VK_NULL_HANDLE), vk_queue_);
}
bool VulkanDeviceQueue::Initialize(uint32_t options) {
vk_instance_ = gpu::GetVulkanInstance();
if (VK_NULL_HANDLE == vk_instance_)
return false;
VkResult result = VK_SUCCESS;
uint32_t device_count = 0;
result = vkEnumeratePhysicalDevices(vk_instance_, &device_count, nullptr);
if (VK_SUCCESS != result || device_count == 0)
return false;
std::vector<VkPhysicalDevice> devices(device_count);
result =
vkEnumeratePhysicalDevices(vk_instance_, &device_count, devices.data());
if (VK_SUCCESS != result) {
DLOG(ERROR) << "vkEnumeratePhysicalDevices() failed: " << result;
return false;
}
#if defined(VK_USE_PLATFORM_XLIB_KHR)
Display* xdisplay = gfx::GetXDisplay();
VisualID visual_id =
XVisualIDFromVisual(DefaultVisual(xdisplay, DefaultScreen(xdisplay)));
#endif // defined(VK_USE_PLATFORM_XLIB_KHR)
VkQueueFlags queue_flags = 0;
if (options & DeviceQueueOption::GRAPHICS_QUEUE_FLAG)
queue_flags |= VK_QUEUE_GRAPHICS_BIT;
int device_index = -1;
int queue_index = -1;
for (size_t i = 0; i < devices.size(); ++i) {
const VkPhysicalDevice& device = devices[i];
uint32_t queue_count = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queue_count, nullptr);
if (queue_count) {
std::vector<VkQueueFamilyProperties> queue_properties(queue_count);
vkGetPhysicalDeviceQueueFamilyProperties(device, &queue_count,
queue_properties.data());
for (size_t n = 0; n < queue_properties.size(); ++n) {
if ((queue_properties[n].queueFlags & queue_flags) != queue_flags)
continue;
#if defined(VK_USE_PLATFORM_XLIB_KHR)
if (options & DeviceQueueOption::PRESENTATION_SUPPORT_QUEUE_FLAG &&
!vkGetPhysicalDeviceXlibPresentationSupportKHR(device, n, xdisplay,
visual_id)) {
continue;
}
#elif defined(VK_USE_PLATFORM_ANDROID_KHR)
// On Android, all physical devices and queue families must be capable of
// presentation with any native window.
// As a result there is no Android-specific query for these capabilities.
#else
#error Non-Supported Vulkan implementation.
#endif
queue_index = static_cast<int>(n);
break;
}
if (-1 != queue_index) {
device_index = static_cast<int>(i);
break;
}
}
}
if (queue_index == -1)
return false;
vk_physical_device_ = devices[device_index];
vk_queue_index_ = queue_index;
float queue_priority = 0.0f;
VkDeviceQueueCreateInfo queue_create_info = {};
queue_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queue_create_info.queueFamilyIndex = queue_index;
queue_create_info.queueCount = 1;
queue_create_info.pQueuePriorities = &queue_priority;
const char* device_extensions[] = {VK_KHR_SWAPCHAIN_EXTENSION_NAME};
std::vector<const char*> enabled_layer_names;
#if DCHECK_IS_ON()
uint32_t num_device_layers = 0;
result = vkEnumerateDeviceLayerProperties(vk_physical_device_,
&num_device_layers, nullptr);
if (VK_SUCCESS != result) {
DLOG(ERROR) << "vkEnumerateDeviceLayerProperties(NULL) failed: "
<< result;
return false;
}
std::vector<VkLayerProperties> device_layers(num_device_layers);
result = vkEnumerateDeviceLayerProperties(vk_physical_device_,
&num_device_layers,
device_layers.data());
if (VK_SUCCESS != result) {
DLOG(ERROR) << "vkEnumerateDeviceLayerProperties() failed: " << result;
return false;
}
std::unordered_set<std::string> desired_layers({
"VK_LAYER_LUNARG_standard_validation",
});
for (const VkLayerProperties& layer_property : device_layers) {
if (desired_layers.find(layer_property.layerName) != desired_layers.end())
enabled_layer_names.push_back(layer_property.layerName);
}
#endif
VkDeviceCreateInfo device_create_info = {};
device_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
device_create_info.queueCreateInfoCount = 1;
device_create_info.pQueueCreateInfos = &queue_create_info;
device_create_info.enabledLayerCount = enabled_layer_names.size();
device_create_info.ppEnabledLayerNames = enabled_layer_names.data();
device_create_info.enabledExtensionCount = arraysize(device_extensions);
device_create_info.ppEnabledExtensionNames = device_extensions;
result = vkCreateDevice(vk_physical_device_, &device_create_info, nullptr,
&vk_device_);
if (VK_SUCCESS != result)
return false;
vkGetDeviceQueue(vk_device_, queue_index, 0, &vk_queue_);
return true;
}
void VulkanDeviceQueue::Destroy() {
if (VK_NULL_HANDLE != vk_device_) {
vkDestroyDevice(vk_device_, nullptr);
vk_device_ = VK_NULL_HANDLE;
}
vk_queue_ = VK_NULL_HANDLE;
vk_queue_index_ = 0;
vk_physical_device_ = VK_NULL_HANDLE;
}
std::unique_ptr<VulkanCommandPool> VulkanDeviceQueue::CreateCommandPool() {
std::unique_ptr<VulkanCommandPool> command_pool(new VulkanCommandPool(this));
if (!command_pool->Initialize())
return nullptr;
return command_pool;
}
} // namespace gpu
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