yuzu: Implement Vulkan frontend

Adds a Qt and SDL2 frontend for Vulkan. It also finishes the missing
bits on Vulkan initialization.

src/yuzu/configuration/configure_debug.cpp

@@ -36,6 +36,8 @@ void ConfigureDebug::SetConfiguration() {
     ui->homebrew_args_edit->setText(QString::fromStdString(Settings::values.program_args));
     ui->reporting_services->setChecked(Settings::values.reporting_services);
     ui->quest_flag->setChecked(Settings::values.quest_flag);
+    ui->enable_graphics_debugging->setEnabled(!Core::System::GetInstance().IsPoweredOn());
+    ui->enable_graphics_debugging->setChecked(Settings::values.renderer_debug);
 }
 
 void ConfigureDebug::ApplyConfiguration() {
@@ -46,6 +48,7 @@ void ConfigureDebug::ApplyConfiguration() {
     Settings::values.program_args = ui->homebrew_args_edit->text().toStdString();
     Settings::values.reporting_services = ui->reporting_services->isChecked();
     Settings::values.quest_flag = ui->quest_flag->isChecked();
+    Settings::values.renderer_debug = ui->enable_graphics_debugging->isChecked();
     Debugger::ToggleConsole();
     Log::Filter filter;
     filter.ParseFilterString(Settings::values.log_filter);

src/yuzu/configuration/configure_debug.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>474</height>
+    <height>467</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -103,44 +103,6 @@
         </item>
        </layout>
       </item>
-      <item>
-       <widget class="QCheckBox" name="reporting_services">
-        <property name="text">
-         <string>Enable Verbose Reporting Services</string>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <widget class="QLabel" name="label">
-        <property name="font">
-         <font>
-          <italic>true</italic>
-         </font>
-        </property>
-        <property name="text">
-         <string>This will be reset automatically when yuzu closes.</string>
-        </property>
-        <property name="indent">
-         <number>20</number>
-        </property>
-       </widget>
-      </item>
-     </layout>
-    </widget>
-   </item>
-   <item>
-    <widget class="QGroupBox" name="groupBox_5">
-     <property name="title">
-      <string>Advanced</string>
-     </property>
-     <layout class="QVBoxLayout" name="verticalLayout">
-      <item>
-       <widget class="QCheckBox" name="quest_flag">
-        <property name="text">
-         <string>Kiosk (Quest) Mode</string>
-        </property>
-       </widget>
-      </item>
      </layout>
     </widget>
    </item>
@@ -167,6 +129,95 @@
      </layout>
     </widget>
    </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_4">
+     <property name="title">
+      <string>Graphics</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_6">
+      <item>
+       <widget class="QCheckBox" name="enable_graphics_debugging">
+        <property name="enabled">
+         <bool>true</bool>
+        </property>
+        <property name="whatsThis">
+         <string>When checked, the graphics API enters in a slower debugging mode</string>
+        </property>
+        <property name="text">
+         <string>Enable Graphics Debugging</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_5">
+     <property name="title">
+      <string>Dump</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_6">
+      <item>
+       <widget class="QCheckBox" name="dump_decompressed_nso">
+        <property name="whatsThis">
+         <string>When checked, any NSO yuzu tries to load or patch will be copied decompressed to the yuzu/dump directory.</string>
+        </property>
+        <property name="text">
+         <string>Dump Decompressed NSOs</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="dump_exefs">
+        <property name="whatsThis">
+         <string>When checked, any game that yuzu loads will have its ExeFS dumped to the yuzu/dump directory.</string>
+        </property>
+        <property name="text">
+         <string>Dump ExeFS</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="reporting_services">
+        <property name="text">
+         <string>Enable Verbose Reporting Services</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="font">
+         <font>
+          <italic>true</italic>
+         </font>
+        </property>
+        <property name="text">
+         <string>This will be reset automatically when yuzu closes.</string>
+        </property>
+        <property name="indent">
+         <number>20</number>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_6">
+     <property name="title">
+      <string>Advanced</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_7">
+      <item>
+       <widget class="QCheckBox" name="quest_flag">
+        <property name="text">
+         <string>Kiosk (Quest) Mode</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">
@@ -185,6 +236,19 @@
    </item>
   </layout>
  </widget>
+ <tabstops>
+  <tabstop>toggle_gdbstub</tabstop>
+  <tabstop>gdbport_spinbox</tabstop>
+  <tabstop>log_filter_edit</tabstop>
+  <tabstop>toggle_console</tabstop>
+  <tabstop>open_log_button</tabstop>
+  <tabstop>homebrew_args_edit</tabstop>
+  <tabstop>enable_graphics_debugging</tabstop>
+  <tabstop>dump_decompressed_nso</tabstop>
+  <tabstop>dump_exefs</tabstop>
+  <tabstop>reporting_services</tabstop>
+  <tabstop>quest_flag</tabstop>
+ </tabstops>
  <resources/>
  <connections>
   <connection>

src/yuzu/configuration/configure_graphics.cpp

@@ -3,6 +3,13 @@
 // Refer to the license.txt file included.
 
 #include <QColorDialog>
+#include <QComboBox>
+#ifdef HAS_VULKAN
+#include <QVulkanInstance>
+#endif
+
+#include "common/common_types.h"
+#include "common/logging/log.h"
 #include "core/core.h"
 #include "core/settings.h"
 #include "ui_configure_graphics.h"
@@ -51,10 +58,18 @@ Resolution FromResolutionFactor(float factor) {
 
 ConfigureGraphics::ConfigureGraphics(QWidget* parent)
     : QWidget(parent), ui(new Ui::ConfigureGraphics) {
+    vulkan_device = Settings::values.vulkan_device;
+    RetrieveVulkanDevices();
+
     ui->setupUi(this);
 
     SetConfiguration();
 
+    connect(ui->api, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this,
+            [this] { UpdateDeviceComboBox(); });
+    connect(ui->device, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated), this,
+            [this](int device) { UpdateDeviceSelection(device); });
+
     connect(ui->bg_button, &QPushButton::clicked, this, [this] {
         const QColor new_bg_color = QColorDialog::getColor(bg_color);
         if (!new_bg_color.isValid()) {
@@ -64,11 +79,22 @@ ConfigureGraphics::ConfigureGraphics(QWidget* parent)
     });
 }
 
+void ConfigureGraphics::UpdateDeviceSelection(int device) {
+    if (device == -1) {
+        return;
+    }
+    if (GetCurrentGraphicsBackend() == Settings::RendererBackend::Vulkan) {
+        vulkan_device = device;
+    }
+}
+
 ConfigureGraphics::~ConfigureGraphics() = default;
 
 void ConfigureGraphics::SetConfiguration() {
     const bool runtime_lock = !Core::System::GetInstance().IsPoweredOn();
 
+    ui->api->setEnabled(runtime_lock);
+    ui->api->setCurrentIndex(static_cast<int>(Settings::values.renderer_backend));
     ui->resolution_factor_combobox->setCurrentIndex(
         static_cast<int>(FromResolutionFactor(Settings::values.resolution_factor)));
     ui->use_disk_shader_cache->setEnabled(runtime_lock);
@@ -80,9 +106,12 @@ void ConfigureGraphics::SetConfiguration() {
     ui->force_30fps_mode->setChecked(Settings::values.force_30fps_mode);
     UpdateBackgroundColorButton(QColor::fromRgbF(Settings::values.bg_red, Settings::values.bg_green,
                                                  Settings::values.bg_blue));
+    UpdateDeviceComboBox();
 }
 
 void ConfigureGraphics::ApplyConfiguration() {
+    Settings::values.renderer_backend = GetCurrentGraphicsBackend();
+    Settings::values.vulkan_device = vulkan_device;
     Settings::values.resolution_factor =
         ToResolutionFactor(static_cast<Resolution>(ui->resolution_factor_combobox->currentIndex()));
     Settings::values.use_disk_shader_cache = ui->use_disk_shader_cache->isChecked();
@@ -116,3 +145,68 @@ void ConfigureGraphics::UpdateBackgroundColorButton(QColor color) {
     const QIcon color_icon(pixmap);
     ui->bg_button->setIcon(color_icon);
 }
+
+void ConfigureGraphics::UpdateDeviceComboBox() {
+    ui->device->clear();
+
+    bool enabled = false;
+    switch (GetCurrentGraphicsBackend()) {
+    case Settings::RendererBackend::OpenGL:
+        ui->device->addItem(tr("OpenGL Graphics Device"));
+        enabled = false;
+        break;
+    case Settings::RendererBackend::Vulkan:
+        for (const auto device : vulkan_devices) {
+            ui->device->addItem(device);
+        }
+        ui->device->setCurrentIndex(vulkan_device);
+        enabled = !vulkan_devices.empty();
+        break;
+    }
+    ui->device->setEnabled(enabled && !Core::System::GetInstance().IsPoweredOn());
+}
+
+void ConfigureGraphics::RetrieveVulkanDevices() {
+#ifdef HAS_VULKAN
+    QVulkanInstance instance;
+    instance.setApiVersion(QVersionNumber(1, 1, 0));
+    if (!instance.create()) {
+        LOG_INFO(Frontend, "Vulkan 1.1 not available");
+        return;
+    }
+    const auto vkEnumeratePhysicalDevices{reinterpret_cast<PFN_vkEnumeratePhysicalDevices>(
+        instance.getInstanceProcAddr("vkEnumeratePhysicalDevices"))};
+    if (vkEnumeratePhysicalDevices == nullptr) {
+        LOG_INFO(Frontend, "Failed to get pointer to vkEnumeratePhysicalDevices");
+        return;
+    }
+    u32 physical_device_count;
+    if (vkEnumeratePhysicalDevices(instance.vkInstance(), &physical_device_count, nullptr) !=
+        VK_SUCCESS) {
+        LOG_INFO(Frontend, "Failed to get physical devices count");
+        return;
+    }
+    std::vector<VkPhysicalDevice> physical_devices(physical_device_count);
+    if (vkEnumeratePhysicalDevices(instance.vkInstance(), &physical_device_count,
+                                   physical_devices.data()) != VK_SUCCESS) {
+        LOG_INFO(Frontend, "Failed to get physical devices");
+        return;
+    }
+
+    const auto vkGetPhysicalDeviceProperties{reinterpret_cast<PFN_vkGetPhysicalDeviceProperties>(
+        instance.getInstanceProcAddr("vkGetPhysicalDeviceProperties"))};
+    if (vkGetPhysicalDeviceProperties == nullptr) {
+        LOG_INFO(Frontend, "Failed to get pointer to vkGetPhysicalDeviceProperties");
+        return;
+    }
+    for (const auto physical_device : physical_devices) {
+        VkPhysicalDeviceProperties properties;
+        vkGetPhysicalDeviceProperties(physical_device, &properties);
+        vulkan_devices.push_back(QString::fromUtf8(properties.deviceName));
+    }
+#endif
+}
+
+Settings::RendererBackend ConfigureGraphics::GetCurrentGraphicsBackend() const {
+    return static_cast<Settings::RendererBackend>(ui->api->currentIndex());
+}

src/yuzu/configuration/configure_graphics.h

@@ -5,7 +5,10 @@
 #pragma once
 
 #include <memory>
+#include <vector>
+#include <QString>
 #include <QWidget>
+#include "core/settings.h"
 
 namespace Ui {
 class ConfigureGraphics;
@@ -27,7 +30,16 @@ private:
     void SetConfiguration();
 
     void UpdateBackgroundColorButton(QColor color);
+    void UpdateDeviceComboBox();
+    void UpdateDeviceSelection(int device);
+
+    void RetrieveVulkanDevices();
+
+    Settings::RendererBackend GetCurrentGraphicsBackend() const;
 
     std::unique_ptr<Ui::ConfigureGraphics> ui;
     QColor bg_color;
+
+    std::vector<QString> vulkan_devices;
+    u32 vulkan_device{};
 };

src/yuzu/configuration/configure_graphics.ui

@@ -7,21 +7,69 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>300</height>
+    <height>321</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
+  <layout class="QVBoxLayout" name="verticalLayout_1">
    <item>
-    <layout class="QVBoxLayout" name="verticalLayout_3">
+    <layout class="QVBoxLayout" name="verticalLayout_2">
+     <item>
+      <widget class="QGroupBox" name="groupBox_2">
+       <property name="title">
+        <string>API Settings</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_3">
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_4">
+          <item>
+           <widget class="QLabel" name="label_2">
+            <property name="text">
+             <string>API:</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QComboBox" name="api">
+            <item>
+             <property name="text">
+              <string notr="true">OpenGL</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string notr="true">Vulkan</string>
+             </property>
+            </item>
+           </widget>
+          </item>
+         </layout>
+        </item>
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_5">
+          <item>
+           <widget class="QLabel" name="label_3">
+            <property name="text">
+             <string>Device:</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QComboBox" name="device"/>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </item>
      <item>
       <widget class="QGroupBox" name="groupBox">
        <property name="title">
-        <string>Graphics</string>
+        <string>Graphics Settings</string>
        </property>
-       <layout class="QVBoxLayout" name="verticalLayout_2">
+       <layout class="QVBoxLayout" name="verticalLayout_4">
         <item>
          <widget class="QCheckBox" name="use_disk_shader_cache">
           <property name="text">
@@ -29,13 +77,6 @@
           </property>
          </widget>
         </item>
-        <item>
-         <widget class="QCheckBox" name="use_accurate_gpu_emulation">
-          <property name="text">
-           <string>Use accurate GPU emulation (slow)</string>
-          </property>
-         </widget>
-        </item>
         <item>
          <widget class="QCheckBox" name="use_asynchronous_gpu_emulation">
           <property name="text">
@@ -43,6 +84,13 @@
           </property>
          </widget>
         </item>
+        <item>
+         <widget class="QCheckBox" name="use_accurate_gpu_emulation">
+          <property name="text">
+           <string>Use accurate GPU emulation (slow)</string>
+          </property>
+         </widget>
+        </item>
         <item>
          <widget class="QCheckBox" name="force_30fps_mode">
           <property name="text">
@@ -51,11 +99,11 @@
          </widget>
         </item>
         <item>
-         <layout class="QHBoxLayout" name="horizontalLayout">
+         <layout class="QHBoxLayout" name="horizontalLayout_2">
           <item>
            <widget class="QLabel" name="label">
             <property name="text">
-             <string>Internal Resolution</string>
+             <string>Internal Resolution:</string>
             </property>
            </widget>
           </item>
@@ -91,7 +139,7 @@
          </layout>
         </item>
         <item>
-         <layout class="QHBoxLayout" name="horizontalLayout_6">
+         <layout class="QHBoxLayout" name="horizontalLayout_3">
           <item>
            <widget class="QLabel" name="bg_label">
             <property name="text">