Revert "Remove telemetry"

This reverts commit 6be3af71d4.

src/android/app/src/main/jni/config.cpp

@@ -264,6 +264,8 @@ void Config::ReadValues() {
     }
 
     // Web Service
+    NetSettings::values.enable_telemetry =
+        sdl2_config->GetBoolean("WebService", "enable_telemetry", false);
     NetSettings::values.web_api_url =
         sdl2_config->GetString("WebService", "web_api_url", "https://api.citra-emu.org");
     NetSettings::values.citra_username = sdl2_config->GetString("WebService", "citra_username", "");

src/android/app/src/main/jni/default_ini.h

@@ -353,6 +353,9 @@ gdbstub_port=24689
 # To LLE a service module add "LLE\<module name>=true"
 
 [WebService]
+# Whether or not to enable telemetry
+# 0 (default): No, 1: Yes
+enable_telemetry =
 # URL for Web API
 web_api_url = https://api.citra-emu.org
 # Username and token for Citra Web Service

src/android/app/src/main/jni/native.cpp

@@ -38,6 +38,7 @@
 #include "core/hle/service/nfc/nfc.h"
 #include "core/loader/loader.h"
 #include "core/savestate.h"
+#include "core/telemetry_session.h"
 #include "jni/android_common/android_common.h"
 #include "jni/applets/mii_selector.h"
 #include "jni/applets/swkbd.h"
@@ -165,7 +166,7 @@ static Core::System::ResultStatus RunCitra(const std::string& filepath) {
 #elif ENABLE_VULKAN
         window = std::make_unique<EmuWindow_Android_Vulkan>(s_surf, vulkan_library);
 #else
-        // TODO: Add a null renderer backend for this, perhaps.
+// TODO: Add a null renderer backend for this, perhaps.
 #error "At least one renderer must be enabled."
 #endif
         break;
@@ -207,6 +208,9 @@ static Core::System::ResultStatus RunCitra(const std::string& filepath) {
         return load_result;
     }
 
+    auto& telemetry_session = system.TelemetrySession();
+    telemetry_session.AddField(Common::Telemetry::FieldType::App, "Frontend", "Android");
+
     stop_run = false;
     pause_emulation = false;
 

src/common/detached_tasks.h

@@ -12,10 +12,10 @@ namespace Common {
 /**
  * A background manager which ensures that all detached task is finished before program exits.
  *
- * Some tasks prefer executing asynchronously and don't care
+ * Some tasks, telemetry submission for example, prefer executing asynchronously and don't care
- * about the result. These tasks are suitable for std::thread::detach().
+ * about the result. These tasks are suitable for std::thread::detach(). However, this is unsafe if
- * However, this is unsafe if the task is launched just before the program exits
+ * the task is launched just before the program exits (which is a common case for telemetry), so we
- * so we need to block on these tasks on program exit.
+ * need to block on these tasks on program exit.
  *
  * To make detached task safe, a single DetachedTasks object should be placed in the main(), and
  * call WaitForAllTasks() after all program execution but before global/static variable destruction.

src/core/core.cpp

@@ -310,6 +310,7 @@ System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::st
         restore_plugin_context.reset();
     }
 
+    telemetry_session->AddInitialInfo(*app_loader);
     std::shared_ptr<Kernel::Process> process;
     const Loader::ResultStatus load_result{app_loader->Load(process)};
     if (Loader::ResultStatus::Success != load_result) {
@@ -565,6 +566,17 @@ void System::RegisterImageInterface(std::shared_ptr<Frontend::ImageInterface> im
 }
 
 void System::Shutdown(bool is_deserializing) {
+    // Log last frame performance stats
+    const auto perf_results = GetAndResetPerfStats();
+    constexpr auto performance = Common::Telemetry::FieldType::Performance;
+
+    telemetry_session->AddField(performance, "Shutdown_EmulationSpeed",
+                                perf_results.emulation_speed * 100.0);
+    telemetry_session->AddField(performance, "Shutdown_Framerate", perf_results.game_fps);
+    telemetry_session->AddField(performance, "Shutdown_Frametime", perf_results.frametime * 1000.0);
+    telemetry_session->AddField(performance, "Mean_Frametime_MS",
+                                perf_stats ? perf_stats->GetMeanFrametime() : 0);
+
     // Shutdown emulation session
     is_powered_on = false;
 

src/core/hle/service/apt/apt.cpp

@@ -34,6 +34,7 @@
 #include "core/hw/aes/ccm.h"
 #include "core/hw/aes/key.h"
 #include "core/loader/loader.h"
+#include "core/telemetry_session.h"
 
 SERVICE_CONSTRUCT_IMPL(Service::APT::Module)
 
@@ -273,6 +274,10 @@ void Module::APTInterface::GetSharedFont(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 2);
 
+    // Log in telemetry if the game uses the shared font
+    apt->system.TelemetrySession().AddField(Common::Telemetry::FieldType::Session,
+                                            "RequiresSharedFont", true);
+
     if (!apt->shared_font_loaded) {
         // On real 3DS, font loading happens on booting. However, we load it on demand to coordinate
         // with CFG region auto configuration, which happens later than APT initialization.

src/core/loader/ncch.cpp

@@ -26,6 +26,7 @@
 #include "core/loader/smdh.h"
 #include "core/memory.h"
 #include "core/system_titles.h"
+#include "core/telemetry_session.h"
 #include "network/network.h"
 
 namespace Loader {
@@ -273,6 +274,9 @@ ResultStatus AppLoader_NCCH::Load(std::shared_ptr<Kernel::Process>& process) {
         overlay_ncch = &update_ncch;
     }
 
+    system.TelemetrySession().AddField(Common::Telemetry::FieldType::Session, "ProgramId",
+                                       program_id);
+
     if (auto room_member = Network::GetRoomMember().lock()) {
         Network::GameInfo game_info;
         ReadTitle(game_info.name);

src/lime/config.cpp

@@ -326,6 +326,8 @@ void Config::ReadValues() {
     }
 
     // Web Service
+    NetSettings::values.enable_telemetry =
+        sdl2_config->GetBoolean("WebService", "enable_telemetry", false);
     NetSettings::values.web_api_url =
         sdl2_config->GetString("WebService", "web_api_url", "https://api.citra-emu.org");
     NetSettings::values.citra_username = sdl2_config->GetString("WebService", "citra_username", "");

src/lime/default_ini.h

@@ -361,6 +361,9 @@ renderer_debug =
 # To LLE a service module add "LLE\<module name>=true"
 
 [WebService]
+# Whether or not to enable telemetry
+# 0 (default): No, 1: Yes
+enable_telemetry =
 # URL for Web API
 web_api_url = https://api.citra-emu.org
 # Username and token for Citra Web Service

src/lime/lime.cpp

@@ -39,6 +39,7 @@
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/cfg/cfg.h"
 #include "core/movie.h"
+#include "core/telemetry_session.h"
 #include "input_common/main.h"
 #include "network/network.h"
 #include "video_core/gpu.h"
@@ -385,7 +386,7 @@ int main(int argc, char** argv) {
 #elif ENABLE_SOFTWARE_RENDERER
             return std::make_unique<EmuWindow_SDL2_SW>(system, fullscreen, is_secondary);
 #else
-            // TODO: Add a null renderer backend for this, perhaps.
+// TODO: Add a null renderer backend for this, perhaps.
 #error "At least one renderer must be enabled."
 #endif
         }
@@ -435,6 +436,8 @@ int main(int argc, char** argv) {
         break;
     }
 
+    system.TelemetrySession().AddField(Common::Telemetry::FieldType::App, "Frontend", "SDL");
+
     if (use_multiplayer) {
         if (auto member = Network::GetRoomMember().lock()) {
             member->BindOnChatMessageRecieved(OnMessageReceived);

src/lime_qt/compatdb.cpp

@@ -6,13 +6,15 @@
 #include <QMessageBox>
 #include <QPushButton>
 #include <QtConcurrent/qtconcurrentrun.h>
+#include "common/telemetry.h"
 #include "core/core.h"
+#include "core/telemetry_session.h"
 #include "lime_qt/compatdb.h"
 #include "ui_compatdb.h"
 
-CompatDB::CompatDB(QWidget* parent)
+CompatDB::CompatDB(Core::TelemetrySession& telemetry_session_, QWidget* parent)
     : QWizard(parent, Qt::WindowTitleHint | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint),
-      ui{std::make_unique<Ui::CompatDB>()} {
+      ui{std::make_unique<Ui::CompatDB>()}, telemetry_session{telemetry_session_} {
     ui->setupUi(this);
     connect(ui->radioButton_Perfect, &QRadioButton::clicked, this, &CompatDB::EnableNext);
     connect(ui->radioButton_Great, &QRadioButton::clicked, this, &CompatDB::EnableNext);
@@ -50,11 +52,15 @@ void CompatDB::Submit() {
     case CompatDBPage::Final:
         back();
         LOG_DEBUG(Frontend, "Compatibility Rating: {}", compatibility->checkedId());
+        telemetry_session.AddField(Common::Telemetry::FieldType::UserFeedback, "Compatibility",
+                                   compatibility->checkedId());
 
         button(NextButton)->setEnabled(false);
         button(NextButton)->setText(tr("Submitting"));
         button(CancelButton)->setVisible(false);
 
+        testcase_watcher.setFuture(
+            QtConcurrent::run([this] { return telemetry_session.SubmitTestcase(); }));
         break;
     default:
         LOG_ERROR(Frontend, "Unexpected page: {}", currentId());

src/lime_qt/compatdb.h

@@ -8,6 +8,10 @@
 #include <QFutureWatcher>
 #include <QWizard>
 
+namespace Core {
+class TelemetrySession;
+}
+
 namespace Ui {
 class CompatDB;
 }
@@ -16,7 +20,7 @@ class CompatDB : public QWizard {
     Q_OBJECT
 
 public:
-    explicit CompatDB(QWidget* parent = nullptr);
+    explicit CompatDB(Core::TelemetrySession& telemetry_session_, QWidget* parent = nullptr);
     ~CompatDB();
 
 private:
@@ -27,4 +31,6 @@ private:
     void Submit();
     void OnTestcaseSubmitted();
     void EnableNext();
+
+    Core::TelemetrySession& telemetry_session;
 };

src/lime_qt/configuration/config.cpp

@@ -836,6 +836,8 @@ void Config::ReadUpdaterValues() {
 void Config::ReadWebServiceValues() {
     qt_config->beginGroup(QStringLiteral("WebService"));
 
+    NetSettings::values.enable_telemetry =
+        ReadSetting(QStringLiteral("enable_telemetry"), false).toBool();
     NetSettings::values.web_api_url =
         ReadSetting(QStringLiteral("web_api_url"), QStringLiteral("https://api.citra-emu.org"))
             .toString()
@@ -1315,6 +1317,7 @@ void Config::SaveUpdaterValues() {
 void Config::SaveWebServiceValues() {
     qt_config->beginGroup(QStringLiteral("WebService"));
 
+    WriteSetting(QStringLiteral("enable_telemetry"), NetSettings::values.enable_telemetry, false);
     WriteSetting(QStringLiteral("web_api_url"),
                  QString::fromStdString(NetSettings::values.web_api_url),
                  QStringLiteral("https://api.citra-emu.org"));

src/lime_qt/configuration/configure_dialog.cpp

@@ -57,6 +57,7 @@ ConfigureDialog::ConfigureDialog(QWidget* parent, HotkeyRegistry& registry_, Cor
     ui->tabWidget->addTab(ui_tab.get(), tr("UI"));
 
     hotkeys_tab->Populate(registry);
+    web_tab->SetWebServiceConfigEnabled(enable_web_config);
 
     PopulateSelectionList();
 

src/lime_qt/configuration/configure_web.cpp

@@ -11,12 +11,41 @@
 #include "network/network_settings.h"
 #include "ui_configure_web.h"
 
+static constexpr char token_delimiter{':'};
+
+static std::string GenerateDisplayToken(const std::string& username, const std::string& token) {
+    if (username.empty() || token.empty()) {
+        return {};
+    }
+
+    const std::string unencoded_display_token{username + token_delimiter + token};
+    QByteArray b{unencoded_display_token.c_str()};
+    QByteArray b64 = b.toBase64();
+    return b64.toStdString();
+}
+
+static std::string UsernameFromDisplayToken(const std::string& display_token) {
+    const std::string unencoded_display_token{
+        QByteArray::fromBase64(display_token.c_str()).toStdString()};
+    return unencoded_display_token.substr(0, unencoded_display_token.find(token_delimiter));
+}
+
+static std::string TokenFromDisplayToken(const std::string& display_token) {
+    const std::string unencoded_display_token{
+        QByteArray::fromBase64(display_token.c_str()).toStdString()};
+    return unencoded_display_token.substr(unencoded_display_token.find(token_delimiter) + 1);
+}
+
 ConfigureWeb::ConfigureWeb(QWidget* parent)
     : QWidget(parent), ui(std::make_unique<Ui::ConfigureWeb>()) {
     ui->setupUi(this);
+    connect(ui->button_regenerate_telemetry_id, &QPushButton::clicked, this,
+            &ConfigureWeb::RefreshTelemetryID);
+    connect(ui->button_verify_login, &QPushButton::clicked, this, &ConfigureWeb::VerifyLogin);
+    connect(&verify_watcher, &QFutureWatcher<bool>::finished, this, &ConfigureWeb::OnLoginVerified);
 
 #ifndef USE_DISCORD_PRESENCE
-    ui->discord_group->setEnabled(false);
+    ui->discord_group->setVisible(false);
 #endif
     SetConfiguration();
 }
@@ -24,13 +53,113 @@ ConfigureWeb::ConfigureWeb(QWidget* parent)
 ConfigureWeb::~ConfigureWeb() = default;
 
 void ConfigureWeb::SetConfiguration() {
+    ui->web_credentials_disclaimer->setWordWrap(true);
+    ui->telemetry_learn_more->setOpenExternalLinks(true);
+    ui->telemetry_learn_more->setText(tr("<a "
+                                         "href='https://citra-emu.org/entry/"
+                                         "telemetry-and-why-thats-a-good-thing/'><span "
+                                         "style=\"text-decoration: underline; "
+                                         "color:#039be5;\">Learn more</span></a>"));
+
+    ui->web_signup_link->setOpenExternalLinks(true);
+    ui->web_signup_link->setText(
+        tr("<a href='https://profile.citra-emu.org/'><span style=\"text-decoration: underline; "
+           "color:#039be5;\">Sign up</span></a>"));
+    ui->web_token_info_link->setOpenExternalLinks(true);
+    ui->web_token_info_link->setText(
+        tr("<a href='https://citra-emu.org/wiki/citra-web-service/'><span style=\"text-decoration: "
+           "underline; color:#039be5;\">What is my token?</span></a>"));
+
+    ui->toggle_telemetry->setChecked(NetSettings::values.enable_telemetry);
+
+    if (NetSettings::values.citra_username.empty()) {
+        ui->username->setText(tr("Unspecified"));
+    } else {
+        ui->username->setText(QString::fromStdString(NetSettings::values.citra_username));
+    }
+
+    ui->edit_token->setText(QString::fromStdString(
+        GenerateDisplayToken(NetSettings::values.citra_username, NetSettings::values.citra_token)));
+
+    // Connect after setting the values, to avoid calling OnLoginChanged now
+    connect(ui->edit_token, &QLineEdit::textChanged, this, &ConfigureWeb::OnLoginChanged);
+    ui->label_telemetry_id->setText(
+        tr("Telemetry ID: 0x%1").arg(QString::number(Core::GetTelemetryId(), 16).toUpper()));
+    user_verified = true;
+
     ui->toggle_discordrpc->setChecked(UISettings::values.enable_discord_presence.GetValue());
 }
 
 void ConfigureWeb::ApplyConfiguration() {
+    NetSettings::values.enable_telemetry = ui->toggle_telemetry->isChecked();
     UISettings::values.enable_discord_presence = ui->toggle_discordrpc->isChecked();
+    if (user_verified) {
+        NetSettings::values.citra_username =
+            UsernameFromDisplayToken(ui->edit_token->text().toStdString());
+        NetSettings::values.citra_token =
+            TokenFromDisplayToken(ui->edit_token->text().toStdString());
+    } else {
+        QMessageBox::warning(
+            this, tr("Token not verified"),
+            tr("Token was not verified. The change to your token has not been saved."));
+    }
+}
+
+void ConfigureWeb::RefreshTelemetryID() {
+    const u64 new_telemetry_id{Core::RegenerateTelemetryId()};
+    ui->label_telemetry_id->setText(
+        tr("Telemetry ID: 0x%1").arg(QString::number(new_telemetry_id, 16).toUpper()));
+}
+
+void ConfigureWeb::OnLoginChanged() {
+    if (ui->edit_token->text().isEmpty()) {
+        user_verified = true;
+
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("checked")).pixmap(16);
+        ui->label_token_verified->setPixmap(pixmap);
+    } else {
+        user_verified = false;
+
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("failed")).pixmap(16);
+        ui->label_token_verified->setPixmap(pixmap);
+    }
+}
+
+void ConfigureWeb::VerifyLogin() {
+    ui->button_verify_login->setDisabled(true);
+    ui->button_verify_login->setText(tr("Verifying..."));
+    verify_watcher.setFuture(QtConcurrent::run(
+        [username = UsernameFromDisplayToken(ui->edit_token->text().toStdString()),
+         token = TokenFromDisplayToken(ui->edit_token->text().toStdString())] {
+            return Core::VerifyLogin(username, token);
+        }));
+}
+
+void ConfigureWeb::OnLoginVerified() {
+    ui->button_verify_login->setEnabled(true);
+    ui->button_verify_login->setText(tr("Verify"));
+    if (verify_watcher.result()) {
+        user_verified = true;
+
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("checked")).pixmap(16);
+        ui->label_token_verified->setPixmap(pixmap);
+        ui->username->setText(
+            QString::fromStdString(UsernameFromDisplayToken(ui->edit_token->text().toStdString())));
+    } else {
+        const QPixmap pixmap = QIcon::fromTheme(QStringLiteral("failed")).pixmap(16);
+        ui->label_token_verified->setPixmap(pixmap);
+        ui->username->setText(tr("Unspecified"));
+        QMessageBox::critical(this, tr("Verification failed"),
+                              tr("Verification failed. Check that you have entered your token "
+                                 "correctly, and that your internet connection is working."));
+    }
 }
 
 void ConfigureWeb::RetranslateUI() {
     ui->retranslateUi(this);
 }
+
+void ConfigureWeb::SetWebServiceConfigEnabled(bool enabled) {
+    ui->label_disable_info->setVisible(!enabled);
+    ui->groupBoxWebConfig->setEnabled(enabled);
+}

src/lime_qt/configuration/configure_web.h

@@ -22,6 +22,7 @@ public:
     void ApplyConfiguration();
     void RetranslateUI();
     void SetConfiguration();
+    void SetWebServiceConfigEnabled(bool enabled);
 
 private:
     void RefreshTelemetryID();

src/lime_qt/configuration/configure_web.ui

@@ -14,6 +14,163 @@
    <string>Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout_3">
+     <item>
+      <widget class="QGroupBox" name="groupBoxWebConfig">
+       <property name="title">
+        <string>Lime3DS Web Service</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayoutCitraWebService">
+        <item>
+         <widget class="QLabel" name="web_credentials_disclaimer">
+          <property name="text">
+           <string>Currently not supported by Lime. By providing your username and token, you agree to allow Citra to collect additional usage data, which may include user identifying information.</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <layout class="QGridLayout" name="gridLayoutCitraUsername">
+          <item row="2" column="3">
+           <widget class="QPushButton" name="button_verify_login">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="layoutDirection">
+             <enum>Qt::RightToLeft</enum>
+            </property>
+            <property name="text">
+             <string>Verify</string>
+            </property>
+           </widget>
+          </item>
+          <item row="2" column="0">
+           <widget class="QLabel" name="web_signup_link">
+            <property name="text">
+             <string>Sign up</string>
+            </property>
+           </widget>
+          </item>
+          <item row="0" column="1" colspan="3">
+           <widget class="QLabel" name="username"/>
+          </item>
+          <item row="1" column="0">
+           <widget class="QLabel" name="label_token">
+            <property name="text">
+             <string>Token: </string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="4">
+           <widget class="QLabel" name="label_token_verified"/>
+          </item>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_username">
+            <property name="text">
+             <string>Username: </string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="1" colspan="3">
+           <widget class="QLineEdit" name="edit_token">
+            <property name="maxLength">
+             <number>80</number>
+            </property>
+            <property name="echoMode">
+             <enum>QLineEdit::Password</enum>
+            </property>
+           </widget>
+          </item>
+          <item row="2" column="1">
+           <widget class="QLabel" name="web_token_info_link">
+            <property name="text">
+             <string>What is my token?</string>
+            </property>
+           </widget>
+          </item>
+          <item row="2" column="2">
+           <spacer name="horizontalSpacer">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_disable_info">
+       <property name="text">
+        <string>Web Service configuration can only be changed when a public room isn't being hosted.</string>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QGroupBox" name="groupBox">
+       <property name="title">
+        <string>Telemetry</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_2">
+        <item>
+         <widget class="QCheckBox" name="toggle_telemetry">
+          <property name="text">
+           <string>Share anonymous usage data with the Lime3DS team</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLabel" name="telemetry_learn_more">
+          <property name="text">
+           <string>Learn more</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <layout class="QGridLayout" name="gridLayoutTelemetryId">
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_telemetry_id">
+            <property name="text">
+             <string>Telemetry ID:</string>
+            </property>
+           </widget>
+          </item>
+          <item row="0" column="1">
+           <widget class="QPushButton" name="button_regenerate_telemetry_id">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="layoutDirection">
+             <enum>Qt::RightToLeft</enum>
+            </property>
+            <property name="text">
+             <string>Regenerate</string>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </item>
+    </layout>
+   </item>
    <item>
     <widget class="QGroupBox" name="discord_group">
      <property name="title">
@@ -46,6 +203,10 @@
   </layout>
  </widget>
  <tabstops>
+  <tabstop>edit_token</tabstop>
+  <tabstop>button_verify_login</tabstop>
+  <tabstop>toggle_telemetry</tabstop>
+  <tabstop>button_regenerate_telemetry_id</tabstop>
   <tabstop>toggle_discordrpc</tabstop>
  </tabstops>
  <resources/>

src/lime_qt/main.cpp

@@ -15,6 +15,7 @@
 #include <QtGui>
 #include <QtWidgets>
 #include <fmt/format.h>
+#include "core/telemetry_session.h"
 #ifdef __APPLE__
 #include <unistd.h> // for chdir
 #endif
@@ -127,6 +128,27 @@ constexpr int default_mouse_timeout = 2500;
  * is a bitfield "callout_flags" options, used to track if a message has already been shown to the
  * user. This is 32-bits - if we have more than 32 callouts, we should retire and recycle old ones.
  */
+enum class CalloutFlag : uint32_t {
+    Telemetry = 0x1,
+};
+
+void GMainWindow::ShowTelemetryCallout() {
+    if (UISettings::values.callout_flags.GetValue() &
+        static_cast<uint32_t>(CalloutFlag::Telemetry)) {
+        return;
+    }
+
+    UISettings::values.callout_flags =
+        UISettings::values.callout_flags.GetValue() | static_cast<uint32_t>(CalloutFlag::Telemetry);
+    const QString telemetry_message =
+        tr("<a href='https://citra-emu.org/entry/telemetry-and-why-thats-a-good-thing/'>Anonymous "
+           "data is collected</a> to help improve Citra. "
+           "<br/><br/>Would you like to share your usage data with us?");
+    if (QMessageBox::question(this, tr("Telemetry"), telemetry_message) == QMessageBox::Yes) {
+        NetSettings::values.enable_telemetry = true;
+        system.ApplySettings();
+    }
+}
 
 const int GMainWindow::max_recent_files_item;
 
@@ -241,6 +263,9 @@ GMainWindow::GMainWindow(Core::System& system_)
     game_list->LoadCompatibilityList();
     game_list->PopulateAsync(UISettings::values.game_dirs);
 
+    // Show one-time "callout" messages to the user
+    ShowTelemetryCallout();
+
     mouse_hide_timer.setInterval(default_mouse_timeout);
     connect(&mouse_hide_timer, &QTimer::timeout, this, &GMainWindow::HideMouseCursor);
     connect(ui->menubar, &QMenuBar::hovered, this, &GMainWindow::OnMouseActivity);
@@ -1222,6 +1247,7 @@ bool GMainWindow::LoadROM(const QString& filename) {
 
     game_path = filename;
 
+    system.TelemetrySession().AddField(Common::Telemetry::FieldType::App, "Frontend", "Qt");
     return true;
 }
 
@@ -1967,7 +1993,7 @@ void GMainWindow::OnLoadComplete() {
 
 void GMainWindow::OnMenuReportCompatibility() {
     if (!NetSettings::values.citra_token.empty() && !NetSettings::values.citra_username.empty()) {
-        CompatDB compatdb{this};
+        CompatDB compatdb{system.TelemetrySession(), this};
         compatdb.exec();
     } else {
         QMessageBox::critical(this, tr("Missing Citra Account"),

src/lime_qt/main.h

@@ -152,6 +152,7 @@ private:
     void BootGame(const QString& filename);
     void ShutdownGame();
 
+    void ShowTelemetryCallout();
     void SetDiscordEnabled(bool state);
     void LoadAmiibo(const QString& filename);
 

src/video_core/renderer_opengl/gl_driver.cpp

@@ -5,6 +5,7 @@
 #include <glad/glad.h>
 #include "common/assert.h"
 #include "common/settings.h"
+#include "core/telemetry_session.h"
 #include "video_core/custom_textures/custom_format.h"
 #include "video_core/renderer_opengl/gl_driver.h"
 #include "video_core/renderer_opengl/gl_vars.h"
@@ -69,11 +70,12 @@ static void APIENTRY DebugHandler(GLenum source, GLenum type, GLuint id, GLenum
         level = Common::Log::Level::Debug;
         break;
     }
+
     LOG_GENERIC(Common::Log::Class::Render_OpenGL, level, "{} {} {}: {}", GetSource(source),
                 GetType(type), id, message);
 }
 
-Driver::Driver() {
+Driver::Driver(Core::TelemetrySession& telemetry_session_) : telemetry_session{telemetry_session_} {
     const bool enable_debug = Settings::values.renderer_debug.GetValue();
     if (enable_debug) {
         glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
@@ -133,6 +135,12 @@ void Driver::ReportDriverInfo() {
     LOG_INFO(Render_OpenGL, "GL_VERSION: {}", gl_version);
     LOG_INFO(Render_OpenGL, "GL_VENDOR: {}", gpu_vendor);
     LOG_INFO(Render_OpenGL, "GL_RENDERER: {}", gpu_model);
+
+    // Add the information to the telemetry system
+    constexpr auto user_system = Common::Telemetry::FieldType::UserSystem;
+    telemetry_session.AddField(user_system, "GPU_Vendor", std::string{gpu_vendor});
+    telemetry_session.AddField(user_system, "GPU_Model", std::string{gpu_model});
+    telemetry_session.AddField(user_system, "GPU_OpenGL_Version", std::string{gl_version});
 }
 
 void Driver::DeduceGLES() {

src/video_core/renderer_opengl/gl_driver.h

@@ -7,6 +7,10 @@
 #include <string_view>
 #include "common/common_types.h"
 
+namespace Core {
+class TelemetrySession;
+}
+
 namespace VideoCore {
 enum class CustomPixelFormat : u32;
 }
@@ -44,7 +48,7 @@ enum class DriverBug {
  */
 class Driver {
 public:
-    Driver();
+    Driver(Core::TelemetrySession& telemetry_session);
     ~Driver();
 
     /// Returns true of the driver has a particular bug stated in the DriverBug enum
@@ -139,6 +143,7 @@ private:
     void FindBugs();
 
 private:
+    Core::TelemetrySession& telemetry_session;
     Vendor vendor = Vendor::Unknown;
     DriverBug bugs{};
     bool is_suitable{};

src/video_core/renderer_opengl/pica_to_gl.h

@@ -9,6 +9,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
+#include "core/telemetry_session.h"
 #include "video_core/pica/regs_framebuffer.h"
 #include "video_core/pica/regs_lighting.h"
 #include "video_core/pica/regs_texturing.h"
@@ -75,6 +76,9 @@ inline GLenum WrapMode(Pica::TexturingRegs::TextureConfig::WrapMode mode) {
     }
 
     if (index > 3) {
+        Core::System::GetInstance().TelemetrySession().AddField(
+            Common::Telemetry::FieldType::Session, "VideoCore_Pica_UnsupportedTextureWrapMode",
+            static_cast<u32>(index));
         LOG_WARNING(Render_OpenGL, "Using texture wrap mode {}", index);
     }
 

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -75,9 +75,9 @@ static std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(const float width, cons
 RendererOpenGL::RendererOpenGL(Core::System& system, Pica::PicaCore& pica_,
                                Frontend::EmuWindow& window, Frontend::EmuWindow* secondary_window)
     : VideoCore::RendererBase{system, window, secondary_window}, pica{pica_},
-      rasterizer{system.Memory(), pica, system.CustomTexManager(), *this, driver}, frame_dumper{
+      driver{system.TelemetrySession()}, rasterizer{system.Memory(), pica,
-                                                                                       system,
+                                                    system.CustomTexManager(), *this, driver},
-                                                                                       window} {
+      frame_dumper{system, window} {
     const bool has_debug_tool = driver.HasDebugTool();
     window.mailbox = std::make_unique<OGLTextureMailbox>(has_debug_tool);
     if (secondary_window) {

src/video_core/renderer_vulkan/renderer_vulkan.cpp

@@ -53,9 +53,9 @@ constexpr static std::array<vk::DescriptorSetLayoutBinding, 1> PRESENT_BINDINGS
 RendererVulkan::RendererVulkan(Core::System& system, Pica::PicaCore& pica_,
                                Frontend::EmuWindow& window, Frontend::EmuWindow* secondary_window)
     : RendererBase{system, window, secondary_window}, memory{system.Memory()}, pica{pica_},
-      instance{window, Settings::values.physical_device.GetValue()}, scheduler{instance},
+      instance{system.TelemetrySession(), window, Settings::values.physical_device.GetValue()},
-      renderpass_cache{instance, scheduler}, pool{instance}, main_window{window, instance,
+      scheduler{instance}, renderpass_cache{instance, scheduler}, pool{instance},
-                                                                         scheduler},
+      main_window{window, instance, scheduler},
       vertex_buffer{instance, scheduler, vk::BufferUsageFlagBits::eVertexBuffer,
                     VERTEX_BUFFER_SIZE},
       rasterizer{memory,

src/video_core/renderer_vulkan/vk_instance.cpp

@@ -9,6 +9,7 @@
 #include "common/assert.h"
 #include "common/settings.h"
 #include "core/frontend/emu_window.h"
+#include "core/telemetry_session.h"
 #include "video_core/custom_textures/custom_format.h"
 #include "video_core/renderer_vulkan/vk_instance.h"
 #include "video_core/renderer_vulkan/vk_platform.h"
@@ -137,7 +138,8 @@ Instance::Instance(bool enable_validation, bool dump_command_buffers)
                                                       enable_validation, dump_command_buffers)},
       physical_devices{instance->enumeratePhysicalDevices()} {}
 
-Instance::Instance(Frontend::EmuWindow& window, u32 physical_device_index)
+Instance::Instance(Core::TelemetrySession& telemetry, Frontend::EmuWindow& window,
+                   u32 physical_device_index)
     : library{OpenLibrary(&window)}, instance{CreateInstance(
                                          *library, window.GetWindowInfo().type,
                                          Settings::values.renderer_debug.GetValue(),
@@ -159,9 +161,10 @@ Instance::Instance(Frontend::EmuWindow& window, u32 physical_device_index)
             VK_VERSION_MAJOR(properties.apiVersion), VK_VERSION_MINOR(properties.apiVersion)));
     }
 
+    CollectTelemetryParameters(telemetry);
     CreateDevice();
-    CreateFormatTable();
     CollectToolingInfo();
+    CreateFormatTable();
     CreateCustomFormatTable();
     CreateAttribTable();
 }
@@ -642,10 +645,7 @@ void Instance::CreateAllocator() {
     }
 }
 
-void Instance::CollectToolingInfo() {
+void Instance::CollectTelemetryParameters(Core::TelemetrySession& telemetry) {
-    if (!tooling_info) {
-        return;
-    }
     const vk::StructureChain property_chain =
         physical_device
             .getProperties2<vk::PhysicalDeviceProperties2, vk::PhysicalDeviceDriverProperties>();
@@ -664,6 +664,19 @@ void Instance::CollectToolingInfo() {
     LOG_INFO(Render_Vulkan, "VK_DRIVER: {}", driver_name);
     LOG_INFO(Render_Vulkan, "VK_DEVICE: {}", model_name);
     LOG_INFO(Render_Vulkan, "VK_VERSION: {}", api_version);
+
+    static constexpr auto field = Common::Telemetry::FieldType::UserSystem;
+    telemetry.AddField(field, "GPU_Vendor", vendor_name);
+    telemetry.AddField(field, "GPU_Model", model_name);
+    telemetry.AddField(field, "GPU_Vulkan_Driver", driver_name);
+    telemetry.AddField(field, "GPU_Vulkan_Version", api_version);
+    telemetry.AddField(field, "GPU_Vulkan_Extensions", extensions);
+}
+
+void Instance::CollectToolingInfo() {
+    if (!tooling_info) {
+        return;
+    }
     const auto tools = physical_device.getToolPropertiesEXT();
     for (const vk::PhysicalDeviceToolProperties& tool : tools) {
         const std::string_view name = tool.name;

src/video_core/renderer_vulkan/vk_instance.h

@@ -10,6 +10,10 @@
 #include "video_core/rasterizer_cache/pixel_format.h"
 #include "video_core/renderer_vulkan/vk_platform.h"
 
+namespace Core {
+class TelemetrySession;
+}
+
 namespace Frontend {
 class EmuWindow;
 }
@@ -37,7 +41,8 @@ struct FormatTraits {
 class Instance {
 public:
     explicit Instance(bool validation = false, bool dump_command_buffers = false);
-    explicit Instance(Frontend::EmuWindow& window, u32 physical_device_index);
+    explicit Instance(Core::TelemetrySession& telemetry, Frontend::EmuWindow& window,
+                      u32 physical_device_index);
     ~Instance();
 
     /// Returns the FormatTraits struct for the provided pixel format
@@ -280,7 +285,8 @@ private:
     /// Creates the VMA allocator handle
     void CreateAllocator();
 
-    // Collects logging gpu info
+    /// Collects telemetry information from the device.
+    void CollectTelemetryParameters(Core::TelemetrySession& telemetry);
     void CollectToolingInfo();
 
 private: