Merge pull request #1034 from Scrumplex/detect-performance-features

12 files changed, 68 insertions, 18 deletions

diff --git a/launcher/Application.cpp b/launcher/Application.cpp
index 553b3229..0c9f0487 100644
--- a/launcher/Application.cpp
+++ b/launcher/Application.cpp
@@ -113,6 +113,11 @@
 
 #include <sys.h>
 
+#ifdef Q_OS_LINUX
+#include <dlfcn.h>
+#include "gamemode_client.h"
+#endif
+
 
 #if defined Q_OS_WIN32
 #ifndef WIN32_LEAN_AND_MEAN
@@ -920,6 +925,8 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
     {
         return;
     }
+
+    updateCapabilities();
     performMainStartupAction();
 }
 
@@ -1568,14 +1575,30 @@ shared_qobject_ptr<Meta::Index> Application::metadataIndex()
     return m_metadataIndex;
 }
 
-Application::Capabilities Application::currentCapabilities()
+void Application::updateCapabilities()
 {
-    Capabilities c;
+    m_capabilities = None;
     if (!getMSAClientID().isEmpty())
-        c |= SupportsMSA;
+        m_capabilities |= SupportsMSA;
     if (!getFlameAPIKey().isEmpty())
-        c |= SupportsFlame;
-    return c;
+        m_capabilities |= SupportsFlame;
+
+#ifdef Q_OS_LINUX
+    if (gamemode_query_status() >= 0)
+        m_capabilities |= SupportsGameMode;
+
+    {
+        void *dummy = dlopen("libMangoHud_dlsym.so", RTLD_LAZY);
+        // try normal variant as well
+        if (dummy == NULL)
+            dummy = dlopen("libMangoHud.so", RTLD_LAZY);
+
+        if (dummy != NULL) {
+            dlclose(dummy);
+            m_capabilities |= SupportsMangoHud;
+        }
+    }
+#endif
 }
 
 QString Application::getJarPath(QString jarFile)
diff --git a/launcher/Application.h b/launcher/Application.h
index 019c3c3d..41fd4c47 100644
--- a/launcher/Application.h
+++ b/launcher/Application.h
@@ -95,6 +95,8 @@ public:
 
         SupportsMSA = 1 << 0,
         SupportsFlame = 1 << 1,
+        SupportsGameMode = 1 << 2,
+        SupportsMangoHud = 1 << 3,
     };
     Q_DECLARE_FLAGS(Capabilities, Capability)
 
@@ -162,7 +164,7 @@ public:
 
     shared_qobject_ptr<Meta::Index> metadataIndex();
 
-    Capabilities currentCapabilities();
+    void updateCapabilities();
 
     /*!
      * Finds and returns the full path to a jar file.
@@ -180,6 +182,10 @@ public:
         return m_rootPath;
     }
 
+    const Capabilities capabilities() {
+        return m_capabilities;
+    }
+
     /*!
      * Opens a json file using either a system default editor, or, if not empty, the editor
      * specified in the settings
@@ -258,6 +264,7 @@ private:
 
     QString m_rootPath;
     Status m_status = Application::StartingUp;
+    Capabilities m_capabilities;
 
 #ifdef Q_OS_MACOS
     Qt::ApplicationState m_prevAppState = Qt::ApplicationInactive;
diff --git a/launcher/minecraft/MinecraftInstance.cpp b/launcher/minecraft/MinecraftInstance.cpp
index cf127525..b1c7a050 100644
--- a/launcher/minecraft/MinecraftInstance.cpp
+++ b/launcher/minecraft/MinecraftInstance.cpp
@@ -455,13 +455,11 @@ QProcessEnvironment MinecraftInstance::createLaunchEnvironment()
     QProcessEnvironment env = createEnvironment();
 
 #ifdef Q_OS_LINUX
-    if (settings()->get("EnableMangoHud").toBool())
+    if (settings()->get("EnableMangoHud").toBool() && APPLICATION->capabilities() & Application::SupportsMangoHud)
     {
         auto preload = env.value("LD_PRELOAD", "") + ":libMangoHud_dlsym.so:libMangoHud.so";
-        auto lib_path = env.value("LD_LIBRARY_PATH", "") +  ":/usr/local/$LIB/mangohud/:/usr/$LIB/mangohud/";
 
         env.insert("LD_PRELOAD", preload);
-        env.insert("LD_LIBRARY_PATH", lib_path);
         env.insert("MANGOHUD", "1");
     }
 
diff --git a/launcher/minecraft/launch/DirectJavaLaunch.cpp b/launcher/minecraft/launch/DirectJavaLaunch.cpp
index 152485b3..ca55cd2e 100644
--- a/launcher/minecraft/launch/DirectJavaLaunch.cpp
+++ b/launcher/minecraft/launch/DirectJavaLaunch.cpp
@@ -21,6 +21,8 @@
 #include <FileSystem.h>
 #include <Commandline.h>
 
+#include "Application.h"
+
 #ifdef Q_OS_LINUX
 #include "gamemode_client.h"
 #endif
@@ -86,7 +88,7 @@ void DirectJavaLaunch::executeTask()
     }
 
 #ifdef Q_OS_LINUX
-    if (instance->settings()->get("EnableFeralGamemode").toBool())
+    if (instance->settings()->get("EnableFeralGamemode").toBool() && APPLICATION->capabilities() & Application::SupportsGameMode)
     {
         auto pid = m_process.processId();
         if (pid)
diff --git a/launcher/minecraft/launch/LauncherPartLaunch.cpp b/launcher/minecraft/launch/LauncherPartLaunch.cpp
index 3b905bf5..3df4e541 100644
--- a/launcher/minecraft/launch/LauncherPartLaunch.cpp
+++ b/launcher/minecraft/launch/LauncherPartLaunch.cpp
@@ -162,7 +162,7 @@ void LauncherPartLaunch::executeTask()
     }
 
 #ifdef Q_OS_LINUX
-    if (instance->settings()->get("EnableFeralGamemode").toBool())
+    if (instance->settings()->get("EnableFeralGamemode").toBool() && APPLICATION->capabilities() & Application::SupportsGameMode)
     {
         auto pid = m_process.processId();
         if (pid)
diff --git a/launcher/net/Download.cpp b/launcher/net/Download.cpp
index 3778b939..fd3dbedc 100644
--- a/launcher/net/Download.cpp
+++ b/launcher/net/Download.cpp
@@ -118,7 +118,7 @@ void Download::executeTask()
     }
 
     request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgent().toUtf8());
-    if (APPLICATION->currentCapabilities() & Application::SupportsFlame
+    if (APPLICATION->capabilities() & Application::SupportsFlame
             && request.url().host().contains("api.curseforge.com")) {
         request.setRawHeader("x-api-key", APPLICATION->getFlameAPIKey().toUtf8());
     };
diff --git a/launcher/net/Upload.cpp b/launcher/net/Upload.cpp
index cfda4b4e..f3b19022 100644
--- a/launcher/net/Upload.cpp
+++ b/launcher/net/Upload.cpp
@@ -216,7 +216,7 @@ namespace Net {
         }
 
         request.setHeader(QNetworkRequest::UserAgentHeader, APPLICATION->getUserAgent().toUtf8());
-        if (APPLICATION->currentCapabilities() & Application::SupportsFlame
+        if (APPLICATION->capabilities() & Application::SupportsFlame
                 && request.url().host().contains("api.curseforge.com")) {
             request.setRawHeader("x-api-key", APPLICATION->getFlameAPIKey().toUtf8());
         }
diff --git a/launcher/ui/dialogs/ModDownloadDialog.cpp b/launcher/ui/dialogs/ModDownloadDialog.cpp
index e4fc3ecc..bc5e5206 100644
--- a/launcher/ui/dialogs/ModDownloadDialog.cpp
+++ b/launcher/ui/dialogs/ModDownloadDialog.cpp
@@ -122,7 +122,7 @@ QList<BasePage *> ModDownloadDialog::getPages()
     QList<BasePage *> pages;
 
     pages.append(new ModrinthModPage(this, m_instance));
-    if (APPLICATION->currentCapabilities() & Application::SupportsFlame)
+    if (APPLICATION->capabilities() & Application::SupportsFlame)
         pages.append(new FlameModPage(this, m_instance));
 
     return pages;
diff --git a/launcher/ui/dialogs/NewInstanceDialog.cpp b/launcher/ui/dialogs/NewInstanceDialog.cpp
index 35bba9be..675f8b15 100644
--- a/launcher/ui/dialogs/NewInstanceDialog.cpp
+++ b/launcher/ui/dialogs/NewInstanceDialog.cpp
@@ -157,7 +157,7 @@ QList<BasePage *> NewInstanceDialog::getPages()
     pages.append(new VanillaPage(this));
     pages.append(importPage);
     pages.append(new AtlPage(this));
-    if (APPLICATION->currentCapabilities() & Application::SupportsFlame)
+    if (APPLICATION->capabilities() & Application::SupportsFlame)
         pages.append(new FlamePage(this));
     pages.append(new FtbPage(this));
     pages.append(new LegacyFTB::Page(this));
diff --git a/launcher/ui/pages/global/AccountListPage.cpp b/launcher/ui/pages/global/AccountListPage.cpp
index fcc43add..a4f4dfb9 100644
--- a/launcher/ui/pages/global/AccountListPage.cpp
+++ b/launcher/ui/pages/global/AccountListPage.cpp
@@ -96,7 +96,7 @@ AccountListPage::AccountListPage(QWidget *parent)
     updateButtonStates();
 
     // Xbox authentication won't work without a client identifier, so disable the button if it is missing
-    if (~APPLICATION->currentCapabilities() & Application::SupportsMSA) {
+    if (~APPLICATION->capabilities() & Application::SupportsMSA) {
         ui->actionAddMicrosoft->setVisible(false);
         ui->actionAddMicrosoft->setToolTip(tr("No Microsoft Authentication client ID was set."));
     }
diff --git a/launcher/ui/pages/global/MinecraftPage.cpp b/launcher/ui/pages/global/MinecraftPage.cpp
index e3ac7e7c..cc597fe0 100644
--- a/launcher/ui/pages/global/MinecraftPage.cpp
+++ b/launcher/ui/pages/global/MinecraftPage.cpp
@@ -122,6 +122,16 @@ void MinecraftPage::loadSettings()
     ui->perfomanceGroupBox->setVisible(false);
 #endif
 
+    if (!(APPLICATION->capabilities() & Application::SupportsGameMode)) {
+        ui->enableFeralGamemodeCheck->setDisabled(true);
+        ui->enableFeralGamemodeCheck->setToolTip(tr("Feral Interactive's GameMode could not be found on your system."));
+    }
+
+    if (!(APPLICATION->capabilities() & Application::SupportsMangoHud)) {
+        ui->enableMangoHud->setDisabled(true);
+        ui->enableMangoHud->setToolTip(tr("MangoHud could not be found on your system."));
+    }
+
     ui->showGameTime->setChecked(s->get("ShowGameTime").toBool());
     ui->showGlobalGameTime->setChecked(s->get("ShowGlobalGameTime").toBool());
     ui->recordGameTime->setChecked(s->get("RecordGameTime").toBool());
diff --git a/launcher/ui/pages/instance/InstanceSettingsPage.cpp b/launcher/ui/pages/instance/InstanceSettingsPage.cpp
index f11cf992..03910745 100644
--- a/launcher/ui/pages/instance/InstanceSettingsPage.cpp
+++ b/launcher/ui/pages/instance/InstanceSettingsPage.cpp
@@ -348,9 +348,19 @@ void InstanceSettingsPage::loadSettings()
     ui->enableMangoHud->setChecked(m_settings->get("EnableMangoHud").toBool());
     ui->useDiscreteGpuCheck->setChecked(m_settings->get("UseDiscreteGpu").toBool());
 
-    #if !defined(Q_OS_LINUX)
+#if !defined(Q_OS_LINUX)
     ui->settingsTabs->setTabVisible(ui->settingsTabs->indexOf(ui->performancePage), false);
-    #endif
+#endif
+
+    if (!(APPLICATION->capabilities() & Application::SupportsGameMode)) {
+        ui->enableFeralGamemodeCheck->setDisabled(true);
+        ui->enableFeralGamemodeCheck->setToolTip(tr("Feral Interactive's GameMode could not be found on your system."));
+    }
+
+    if (!(APPLICATION->capabilities() & Application::SupportsMangoHud)) {
+        ui->enableMangoHud->setDisabled(true);
+        ui->enableMangoHud->setToolTip(tr("MangoHud could not be found on your system."));
+    }
 
     // Miscellanous
     ui->gameTimeGroupBox->setChecked(m_settings->get("OverrideGameTime").toBool());