settings: Add settings for graphics backend

src/core/settings.h

@@ -371,6 +371,11 @@ enum class SDMCSize : u64 {
     S1TB = 0x10000000000ULL,
 };
 
+enum class RendererBackend {
+    OpenGL = 0,
+    Vulkan = 1,
+};
+
 struct Values {
     // System
     bool use_docked_mode;
@@ -419,6 +424,10 @@ struct Values {
     SDMCSize sdmc_size;
 
     // Renderer
+    RendererBackend renderer_backend;
+    bool renderer_debug;
+    int vulkan_device;
+
     float resolution_factor;
     bool use_frame_limit;
     u16 frame_limit;

src/core/telemetry_session.cpp

@@ -46,6 +46,16 @@ static u64 GenerateTelemetryId() {
     return telemetry_id;
 }
 
+static const char* TranslateRenderer(Settings::RendererBackend backend) {
+    switch (backend) {
+    case Settings::RendererBackend::OpenGL:
+        return "OpenGL";
+    case Settings::RendererBackend::Vulkan:
+        return "Vulkan";
+    }
+    return "Unknown";
+}
+
 u64 GetTelemetryId() {
     u64 telemetry_id{};
     const std::string filename{FileUtil::GetUserPath(FileUtil::UserPath::ConfigDir) +
@@ -169,7 +179,7 @@ void TelemetrySession::AddInitialInfo(Loader::AppLoader& app_loader) {
     AddField(field_type, "Audio_SinkId", Settings::values.sink_id);
     AddField(field_type, "Audio_EnableAudioStretching", Settings::values.enable_audio_stretching);
     AddField(field_type, "Core_UseMultiCore", Settings::values.use_multi_core);
-    AddField(field_type, "Renderer_Backend", "OpenGL");
+    AddField(field_type, "Renderer_Backend", TranslateRenderer(Settings::values.renderer_backend));
     AddField(field_type, "Renderer_ResolutionFactor", Settings::values.resolution_factor);
     AddField(field_type, "Renderer_UseFrameLimit", Settings::values.use_frame_limit);
     AddField(field_type, "Renderer_FrameLimit", Settings::values.frame_limit);

src/video_core/renderer_vulkan/vk_device.cpp

@@ -400,8 +400,10 @@ std::vector<const char*> VKDevice::LoadExtensions(const vk::DispatchLoaderDynami
              VK_EXT_SHADER_VIEWPORT_INDEX_LAYER_EXTENSION_NAME, true);
         Test(extension, ext_subgroup_size_control, VK_EXT_SUBGROUP_SIZE_CONTROL_EXTENSION_NAME,
              false);
-        Test(extension, nv_device_diagnostic_checkpoints,
+        if (Settings::values.renderer_debug) {
-             VK_NV_DEVICE_DIAGNOSTIC_CHECKPOINTS_EXTENSION_NAME, true);
+            Test(extension, nv_device_diagnostic_checkpoints,
+                 VK_NV_DEVICE_DIAGNOSTIC_CHECKPOINTS_EXTENSION_NAME, true);
+        }
     }
 
     if (khr_shader_float16_int8) {

src/yuzu/configuration/config.cpp

@@ -624,6 +624,10 @@ void Config::ReadPathValues() {
 void Config::ReadRendererValues() {
     qt_config->beginGroup(QStringLiteral("Renderer"));
 
+    Settings::values.renderer_backend =
+        static_cast<Settings::RendererBackend>(ReadSetting(QStringLiteral("backend"), 0).toInt());
+    Settings::values.renderer_debug = ReadSetting(QStringLiteral("debug"), false).toBool();
+    Settings::values.vulkan_device = ReadSetting(QStringLiteral("vulkan_device"), 0).toInt();
     Settings::values.resolution_factor =
         ReadSetting(QStringLiteral("resolution_factor"), 1.0).toFloat();
     Settings::values.use_frame_limit =
@@ -1056,6 +1060,9 @@ void Config::SavePathValues() {
 void Config::SaveRendererValues() {
     qt_config->beginGroup(QStringLiteral("Renderer"));
 
+    WriteSetting(QStringLiteral("backend"), static_cast<int>(Settings::values.renderer_backend), 0);
+    WriteSetting(QStringLiteral("debug"), Settings::values.renderer_debug, false);
+    WriteSetting(QStringLiteral("vulkan_device"), Settings::values.vulkan_device, 0);
     WriteSetting(QStringLiteral("resolution_factor"),
                  static_cast<double>(Settings::values.resolution_factor), 1.0);
     WriteSetting(QStringLiteral("use_frame_limit"), Settings::values.use_frame_limit, true);

src/yuzu_cmd/config.cpp

@@ -371,6 +371,12 @@ void Config::ReadValues() {
     Settings::values.use_multi_core = sdl2_config->GetBoolean("Core", "use_multi_core", false);
 
     // Renderer
+    const int renderer_backend = sdl2_config->GetInteger(
+        "Renderer", "backend", static_cast<int>(Settings::RendererBackend::OpenGL));
+    Settings::values.renderer_backend = static_cast<Settings::RendererBackend>(renderer_backend);
+    Settings::values.renderer_debug = sdl2_config->GetBoolean("Renderer", "debug", false);
+    Settings::values.vulkan_device = sdl2_config->GetInteger("Renderer", "vulkan_device", 0);
+
     Settings::values.resolution_factor =
         static_cast<float>(sdl2_config->GetReal("Renderer", "resolution_factor", 1.0));
     Settings::values.use_frame_limit = sdl2_config->GetBoolean("Renderer", "use_frame_limit", true);

src/yuzu_cmd/default_ini.h

@@ -98,6 +98,17 @@ udp_pad_index=
 use_multi_core=
 
 [Renderer]
+# Which backend API to use.
+# 0 (default): OpenGL, 1: Vulkan
+backend =
+
+# Enable graphics API debugging mode.
+# 0 (default): Disabled, 1: Enabled
+debug =
+
+# Which Vulkan physical device to use (defaults to 0)
+vulkan_device =
+
 # Whether to use software or hardware rendering.
 # 0: Software, 1 (default): Hardware
 use_hw_renderer =