renderer_vulkan: Move instance initialization to a separate file
Simplify Vulkan's backend initialization code by moving it to a separate file, allowing us to initialize a Vulkan instance from different backends.master
ReinUsesLisp
parent
d1435009ed
commit
25f88d99ce
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <optional>
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#include <span>
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#include <utility>
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#include <vector>
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#include "common/common_types.h"
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#include "common/dynamic_library.h"
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#include "common/logging/log.h"
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#include "core/frontend/emu_window.h"
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#include "video_core/vulkan_common/vulkan_instance.h"
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#include "video_core/vulkan_common/vulkan_wrapper.h"
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// Include these late to avoid polluting previous headers
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#ifdef _WIN32
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#include <windows.h>
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// ensure include order
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#include <vulkan/vulkan_win32.h>
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#endif
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#if !defined(_WIN32) && !defined(__APPLE__)
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#include <X11/Xlib.h>
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#include <vulkan/vulkan_wayland.h>
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#include <vulkan/vulkan_xlib.h>
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#endif
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namespace Vulkan {
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namespace {
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[[nodiscard]] std::vector<const char*> RequiredExtensions(
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Core::Frontend::WindowSystemType window_type, bool enable_debug_utils) {
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std::vector<const char*> extensions;
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extensions.reserve(6);
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switch (window_type) {
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case Core::Frontend::WindowSystemType::Headless:
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break;
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#ifdef _WIN32
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case Core::Frontend::WindowSystemType::Windows:
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extensions.push_back(VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
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break;
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#endif
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#if !defined(_WIN32) && !defined(__APPLE__)
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case Core::Frontend::WindowSystemType::X11:
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extensions.push_back(VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
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break;
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case Core::Frontend::WindowSystemType::Wayland:
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extensions.push_back(VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME);
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break;
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#endif
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default:
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LOG_ERROR(Render_Vulkan, "Presentation not supported on this platform");
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break;
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}
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if (window_type != Core::Frontend::WindowSystemType::Headless) {
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extensions.push_back(VK_KHR_SURFACE_EXTENSION_NAME);
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}
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if (enable_debug_utils) {
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extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
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}
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extensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
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return extensions;
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}
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[[nodiscard]] bool AreExtensionsSupported(const vk::InstanceDispatch& dld,
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std::span<const char* const> extensions) {
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const std::optional properties = vk::EnumerateInstanceExtensionProperties(dld);
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if (!properties) {
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LOG_ERROR(Render_Vulkan, "Failed to query extension properties");
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return false;
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}
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for (const char* extension : extensions) {
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const auto it = std::ranges::find_if(*properties, [extension](const auto& prop) {
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return std::strcmp(extension, prop.extensionName) == 0;
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});
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if (it == properties->end()) {
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LOG_ERROR(Render_Vulkan, "Required instance extension {} is not available", extension);
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return false;
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}
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}
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return true;
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}
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[[nodiscard]] std::vector<const char*> Layers(bool enable_layers) {
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std::vector<const char*> layers;
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if (enable_layers) {
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layers.push_back("VK_LAYER_KHRONOS_validation");
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}
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return layers;
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}
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void RemoveUnavailableLayers(const vk::InstanceDispatch& dld, std::vector<const char*>& layers) {
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const std::optional layer_properties = vk::EnumerateInstanceLayerProperties(dld);
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if (!layer_properties) {
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LOG_ERROR(Render_Vulkan, "Failed to query layer properties, disabling layers");
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layers.clear();
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}
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std::erase_if(layers, [&layer_properties](const char* layer) {
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const auto comp = [layer](const VkLayerProperties& layer_property) {
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return std::strcmp(layer, layer_property.layerName) == 0;
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};
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const auto it = std::ranges::find_if(*layer_properties, comp);
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if (it == layer_properties->end()) {
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LOG_ERROR(Render_Vulkan, "Layer {} not available, removing it", layer);
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return true;
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}
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return false;
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});
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}
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} // Anonymous namespace
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std::pair<vk::Instance, u32> CreateInstance(Common::DynamicLibrary& library,
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vk::InstanceDispatch& dld,
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Core::Frontend::WindowSystemType window_type,
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bool enable_debug_utils, bool enable_layers) {
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if (!library.IsOpen()) {
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LOG_ERROR(Render_Vulkan, "Vulkan library not available");
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return {};
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}
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if (!library.GetSymbol("vkGetInstanceProcAddr", &dld.vkGetInstanceProcAddr)) {
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LOG_ERROR(Render_Vulkan, "vkGetInstanceProcAddr not present in Vulkan");
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return {};
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}
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if (!vk::Load(dld)) {
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LOG_ERROR(Render_Vulkan, "Failed to load Vulkan function pointers");
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return {};
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}
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const std::vector<const char*> extensions = RequiredExtensions(window_type, enable_debug_utils);
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if (!AreExtensionsSupported(dld, extensions)) {
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return {};
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}
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std::vector<const char*> layers = Layers(enable_layers);
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RemoveUnavailableLayers(dld, layers);
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// Limit the maximum version of Vulkan to avoid using untested version.
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const u32 version = std::min(vk::AvailableVersion(dld), VK_API_VERSION_1_1);
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vk::Instance instance = vk::Instance::Create(version, layers, extensions, dld);
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if (!instance) {
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LOG_ERROR(Render_Vulkan, "Failed to create Vulkan instance");
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return {};
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}
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if (!vk::Load(*instance, dld)) {
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LOG_ERROR(Render_Vulkan, "Failed to load Vulkan instance function pointers");
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}
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return std::make_pair(std::move(instance), version);
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}
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} // namespace Vulkan
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@ -0,0 +1,21 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <utility>
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#include "common/common_types.h"
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#include "common/dynamic_library.h"
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#include "core/frontend/emu_window.h"
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#include "video_core/vulkan_common/vulkan_wrapper.h"
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namespace Vulkan {
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[[nodiscard]] std::pair<vk::Instance, u32> CreateInstance(
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Common::DynamicLibrary& library, vk::InstanceDispatch& dld,
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Core::Frontend::WindowSystemType window_type = Core::Frontend::WindowSystemType::Headless,
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bool enable_debug_utils = false, bool enable_layers = false);
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} // namespace Vulkan
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