feat: add "use zink" button

Signed-off-by: DioEgizio <83089242+DioEgizio@users.noreply.github.com>

launcher/Application.cpp

@@ -639,10 +639,11 @@ Application::Application(int& argc, char** argv) : QApplication(argc, argv)
         m_settings->registerSetting("UseNativeGLFW", false);
         m_settings->registerSetting("CustomGLFWPath", "");
 
-        // Peformance related options
+        // Performance related options
         m_settings->registerSetting("EnableFeralGamemode", false);
         m_settings->registerSetting("EnableMangoHud", false);
         m_settings->registerSetting("UseDiscreteGpu", false);
+        m_settings->registerSetting("UseZink", false);
 
         // Game time
         m_settings->registerSetting("ShowGameTime", true);

launcher/minecraft/MinecraftInstance.cpp

@@ -173,11 +173,12 @@ void MinecraftInstance::loadSpecificSettings()
         m_settings->registerOverride(global_settings->getSetting("UseNativeGLFW"), nativeLibraryWorkaroundsOverride);
         m_settings->registerOverride(global_settings->getSetting("CustomGLFWPath"), nativeLibraryWorkaroundsOverride);
 
-        // Peformance related options
+        // Performance related options
         auto performanceOverride = m_settings->registerSetting("OverridePerformance", false);
         m_settings->registerOverride(global_settings->getSetting("EnableFeralGamemode"), performanceOverride);
         m_settings->registerOverride(global_settings->getSetting("EnableMangoHud"), performanceOverride);
         m_settings->registerOverride(global_settings->getSetting("UseDiscreteGpu"), performanceOverride);
+        m_settings->registerOverride(global_settings->getSetting("UseZink"), performanceOverride);
 
         // Miscellaneous
         auto miscellaneousOverride = m_settings->registerSetting("OverrideMiscellaneous", false);
@@ -622,6 +623,13 @@ QProcessEnvironment MinecraftInstance::createLaunchEnvironment()
         env.insert("__VK_LAYER_NV_optimus", "NVIDIA_only");
         env.insert("__GLX_VENDOR_LIBRARY_NAME", "nvidia");
     }
+
+    if (settings()->get("UseZink").toBool()) {
+        // taken from https://wiki.archlinux.org/title/OpenGL#OpenGL_over_Vulkan_(Zink)
+        env.insert("__GLX_VENDOR_LIBRARY_NAME", "mesa");
+        env.insert("MESA_LOADER_DRIVER_OVERRIDE", "zink");
+        env.insert("GALLIUM_DRIVER", "zink");
+    }
 #endif
     return env;
 }

launcher/ui/pages/global/MinecraftPage.cpp

@@ -109,6 +109,7 @@ void MinecraftPage::applySettings()
     s->set("EnableFeralGamemode", ui->enableFeralGamemodeCheck->isChecked());
     s->set("EnableMangoHud", ui->enableMangoHud->isChecked());
     s->set("UseDiscreteGpu", ui->useDiscreteGpuCheck->isChecked());
+    s->set("UseZink", ui->useZink->isChecked());
 
     // Game time
     s->set("ShowGameTime", ui->showGameTime->isChecked());
@@ -151,6 +152,7 @@ void MinecraftPage::loadSettings()
     ui->enableFeralGamemodeCheck->setChecked(s->get("EnableFeralGamemode").toBool());
     ui->enableMangoHud->setChecked(s->get("EnableMangoHud").toBool());
     ui->useDiscreteGpuCheck->setChecked(s->get("UseDiscreteGpu").toBool());
+    ui->useZink->setChecked(s->get("UseZink").toBool());
 
 #if !defined(Q_OS_LINUX)
     ui->perfomanceGroupBox->setVisible(false);

launcher/ui/pages/global/MinecraftPage.ui

@@ -309,6 +309,16 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QCheckBox" name="useZink">
+            <property name="toolTip">
+             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Use Zink, a Mesa OpenGL driver that implements OpenGL on top of Vulkan. Performance may vary depending on the situation. Note: If no suitable Vulkan driver is found, software rendering will be used.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+            </property>
+            <property name="text">
+             <string>Use Zink</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>

launcher/ui/pages/instance/InstanceSettingsPage.cpp

@@ -232,10 +232,13 @@ void InstanceSettingsPage::applySettings()
         m_settings->set("EnableFeralGamemode", ui->enableFeralGamemodeCheck->isChecked());
         m_settings->set("EnableMangoHud", ui->enableMangoHud->isChecked());
         m_settings->set("UseDiscreteGpu", ui->useDiscreteGpuCheck->isChecked());
+        m_settings->set("UseZink", ui->useZink->isChecked());
+
     } else {
         m_settings->reset("EnableFeralGamemode");
         m_settings->reset("EnableMangoHud");
         m_settings->reset("UseDiscreteGpu");
+        m_settings->reset("UseZink");
     }
 
     // Game time
@@ -354,6 +357,7 @@ void InstanceSettingsPage::loadSettings()
     ui->enableFeralGamemodeCheck->setChecked(m_settings->get("EnableFeralGamemode").toBool());
     ui->enableMangoHud->setChecked(m_settings->get("EnableMangoHud").toBool());
     ui->useDiscreteGpuCheck->setChecked(m_settings->get("UseDiscreteGpu").toBool());
+    ui->useZink->setChecked(m_settings->get("UseZink").toBool());
 
 #if !defined(Q_OS_LINUX)
     ui->settingsTabs->setTabVisible(ui->settingsTabs->indexOf(ui->performancePage), false);

launcher/ui/pages/instance/InstanceSettingsPage.ui

@@ -567,6 +567,16 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QCheckBox" name="useZink">
+            <property name="toolTip">
+             <string>Use Zink, a Mesa OpenGL driver that implements OpenGL on top of Vulkan. Performance may vary depending on the situation. Note: If no suitable Vulkan driver is found, software rendering will be used.</string>
+            </property>
+            <property name="text">
+             <string>Use Zink</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>