| // Copyright 2013 The Flutter 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 "flutter/vulkan/vulkan_application.h" |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "flutter/vulkan/vulkan_device.h" |
| #include "flutter/vulkan/vulkan_proc_table.h" |
| #include "flutter/vulkan/vulkan_utilities.h" |
| |
| namespace vulkan { |
| |
| VulkanApplication::VulkanApplication( |
| VulkanProcTable& p_vk, |
| const std::string& application_name, |
| std::vector<std::string> enabled_extensions, |
| uint32_t application_version, |
| uint32_t api_version) |
| : vk(p_vk), api_version_(api_version), valid_(false) { |
| // Check if we want to enable debugging. |
| std::vector<VkExtensionProperties> supported_extensions = |
| GetSupportedInstanceExtensions(vk); |
| bool enable_instance_debugging = |
| IsDebuggingEnabled() && |
| ExtensionSupported(supported_extensions, |
| VulkanDebugReport::DebugExtensionName()); |
| |
| // Configure extensions. |
| |
| if (enable_instance_debugging) { |
| enabled_extensions.emplace_back(VulkanDebugReport::DebugExtensionName()); |
| } |
| #if OS_FUCHSIA |
| if (ExtensionSupported(supported_extensions, |
| VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME)) { |
| // VK_KHR_get_physical_device_properties2 is a dependency of the memory |
| // capabilities extension, so the validation layers require that it be |
| // enabled. |
| enabled_extensions.emplace_back( |
| VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME); |
| enabled_extensions.emplace_back( |
| VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME); |
| } |
| #endif |
| |
| const char* extensions[enabled_extensions.size()]; |
| |
| for (size_t i = 0; i < enabled_extensions.size(); i++) { |
| extensions[i] = enabled_extensions[i].c_str(); |
| } |
| |
| // Configure layers. |
| |
| const std::vector<std::string> enabled_layers = InstanceLayersToEnable(vk); |
| |
| const char* layers[enabled_layers.size()]; |
| |
| for (size_t i = 0; i < enabled_layers.size(); i++) { |
| layers[i] = enabled_layers[i].c_str(); |
| } |
| |
| // Configure init structs. |
| |
| const VkApplicationInfo info = { |
| .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, |
| .pNext = nullptr, |
| .pApplicationName = application_name.c_str(), |
| .applicationVersion = application_version, |
| .pEngineName = "FlutterEngine", |
| .engineVersion = VK_MAKE_VERSION(1, 0, 0), |
| .apiVersion = api_version_, |
| }; |
| |
| const VkInstanceCreateInfo create_info = { |
| .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, |
| .pNext = nullptr, |
| .flags = 0, |
| .pApplicationInfo = &info, |
| .enabledLayerCount = static_cast<uint32_t>(enabled_layers.size()), |
| .ppEnabledLayerNames = layers, |
| .enabledExtensionCount = static_cast<uint32_t>(enabled_extensions.size()), |
| .ppEnabledExtensionNames = extensions, |
| }; |
| |
| // Perform initialization. |
| |
| VkInstance instance = VK_NULL_HANDLE; |
| |
| if (VK_CALL_LOG_ERROR(vk.CreateInstance(&create_info, nullptr, &instance)) != |
| VK_SUCCESS) { |
| FML_DLOG(INFO) << "Could not create application instance."; |
| return; |
| } |
| |
| // Now that we have an instance, setup instance proc table entries. |
| if (!vk.SetupInstanceProcAddresses(instance)) { |
| FML_DLOG(INFO) << "Could not setup instance proc addresses."; |
| return; |
| } |
| |
| instance_ = {instance, [this](VkInstance i) { |
| FML_LOG(INFO) << "Destroying Vulkan instance"; |
| vk.DestroyInstance(i, nullptr); |
| }}; |
| |
| if (enable_instance_debugging) { |
| auto debug_report = std::make_unique<VulkanDebugReport>(vk, instance_); |
| if (!debug_report->IsValid()) { |
| FML_LOG(INFO) << "Vulkan debugging was enabled but could not be setup " |
| "for this instance."; |
| } else { |
| debug_report_ = std::move(debug_report); |
| FML_DLOG(INFO) << "Debug reporting is enabled."; |
| } |
| } |
| |
| valid_ = true; |
| } |
| |
| VulkanApplication::~VulkanApplication() = default; |
| |
| bool VulkanApplication::IsValid() const { |
| return valid_; |
| } |
| |
| uint32_t VulkanApplication::GetAPIVersion() const { |
| return api_version_; |
| } |
| |
| const VulkanHandle<VkInstance>& VulkanApplication::GetInstance() const { |
| return instance_; |
| } |
| |
| void VulkanApplication::ReleaseInstanceOwnership() { |
| instance_.ReleaseOwnership(); |
| } |
| |
| std::vector<VkPhysicalDevice> VulkanApplication::GetPhysicalDevices() const { |
| if (!IsValid()) { |
| return {}; |
| } |
| |
| uint32_t device_count = 0; |
| if (VK_CALL_LOG_ERROR(vk.EnumeratePhysicalDevices(instance_, &device_count, |
| nullptr)) != VK_SUCCESS) { |
| FML_DLOG(INFO) << "Could not enumerate physical device."; |
| return {}; |
| } |
| |
| if (device_count == 0) { |
| // No available devices. |
| FML_DLOG(INFO) << "No physical devices found."; |
| return {}; |
| } |
| |
| std::vector<VkPhysicalDevice> physical_devices; |
| |
| physical_devices.resize(device_count); |
| |
| if (VK_CALL_LOG_ERROR(vk.EnumeratePhysicalDevices( |
| instance_, &device_count, physical_devices.data())) != VK_SUCCESS) { |
| FML_DLOG(INFO) << "Could not enumerate physical device."; |
| return {}; |
| } |
| |
| return physical_devices; |
| } |
| |
| std::unique_ptr<VulkanDevice> |
| VulkanApplication::AcquireFirstCompatibleLogicalDevice() const { |
| for (auto device_handle : GetPhysicalDevices()) { |
| auto logical_device = std::make_unique<VulkanDevice>(vk, device_handle); |
| if (logical_device->IsValid()) { |
| return logical_device; |
| } |
| } |
| FML_DLOG(INFO) << "Could not acquire compatible logical device."; |
| return nullptr; |
| } |
| |
| std::vector<VkExtensionProperties> |
| VulkanApplication::GetSupportedInstanceExtensions( |
| const VulkanProcTable& vk) const { |
| if (!vk.EnumerateInstanceExtensionProperties) { |
| return std::vector<VkExtensionProperties>(); |
| } |
| |
| uint32_t count = 0; |
| if (VK_CALL_LOG_ERROR(vk.EnumerateInstanceExtensionProperties( |
| nullptr, &count, nullptr)) != VK_SUCCESS) { |
| return std::vector<VkExtensionProperties>(); |
| } |
| |
| if (count == 0) { |
| return std::vector<VkExtensionProperties>(); |
| } |
| |
| std::vector<VkExtensionProperties> properties; |
| properties.resize(count); |
| if (VK_CALL_LOG_ERROR(vk.EnumerateInstanceExtensionProperties( |
| nullptr, &count, properties.data())) != VK_SUCCESS) { |
| return std::vector<VkExtensionProperties>(); |
| } |
| |
| return properties; |
| } |
| |
| bool VulkanApplication::ExtensionSupported( |
| const std::vector<VkExtensionProperties>& supported_instance_extensions, |
| std::string extension_name) { |
| uint32_t count = supported_instance_extensions.size(); |
| for (size_t i = 0; i < count; i++) { |
| if (strncmp(supported_instance_extensions[i].extensionName, |
| extension_name.c_str(), extension_name.size()) == 0) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| } // namespace vulkan |