Add the upright_screen boolean to the UI as a switch & in-game

src/android/app/src/main/java/org/citra/citra_emu/display/ScreenAdjustmentUtil.kt

@@ -68,4 +68,13 @@ class ScreenAdjustmentUtil(
         settings.saveSetting(IntSetting.ORIENTATION_OPTION, SettingsFile.FILE_NAME_CONFIG)
         activity.requestedOrientation = orientationOption
     }
+
+    fun toggleScreenUpright() {
+        val uprightBoolean = BooleanSetting.UPRIGHT_SCREEN.boolean
+        BooleanSetting.UPRIGHT_SCREEN.boolean = !uprightBoolean
+        settings.saveSetting(BooleanSetting.UPRIGHT_SCREEN, SettingsFile.FILE_NAME_CONFIG)
+        NativeLibrary.reloadSettings()
+        NativeLibrary.updateFramebuffer(NativeLibrary.isPortraitMode)
+
+    }
 }

src/android/app/src/main/java/org/citra/citra_emu/features/settings/model/BooleanSetting.kt

@@ -15,6 +15,7 @@ enum class BooleanSetting(
     ALLOW_PLUGIN_LOADER("allow_plugin_loader", Settings.SECTION_SYSTEM, true),
     SWAP_SCREEN("swap_screen", Settings.SECTION_LAYOUT, false),
     INSTANT_DEBUG_LOG("instant_debug_log", Settings.SECTION_DEBUG, false),
+    UPRIGHT_SCREEN("upright_screen", Settings.SECTION_LAYOUT, false),
     CUSTOM_LAYOUT("custom_layout",Settings.SECTION_LAYOUT,false);
 
     override var boolean: Boolean = defaultValue

src/android/app/src/main/java/org/citra/citra_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -951,6 +951,15 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                     IntSetting.SCREEN_LAYOUT.defaultValue
                 )
             )
+            add(
+                SwitchSetting(
+                    BooleanSetting.UPRIGHT_SCREEN,
+                    R.string.emulation_rotate_upright,
+                    0,
+                    BooleanSetting.UPRIGHT_SCREEN.key,
+                    BooleanSetting.UPRIGHT_SCREEN.defaultValue
+                )
+            )
             add(
                 SingleChoiceSetting(
                     IntSetting.PORTRAIT_SCREEN_LAYOUT,

src/android/app/src/main/java/org/citra/citra_emu/fragments/EmulationFragment.kt

@@ -287,6 +287,11 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback, Choreographer.Fram
                     true
                 }
 
+                R.id.menu_rotate_upright -> {
+                    screenAdjustmentUtil.toggleScreenUpright()
+                    true
+                }
+
                 R.id.menu_lock_drawer -> {
                     when (EmulationMenuSettings.drawerLockMode) {
                         DrawerLayout.LOCK_MODE_UNLOCKED -> {

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

@@ -199,6 +199,7 @@ void Config::ReadValues() {
     ReadSetting("Layout", Settings::values.cardboard_screen_size);
     ReadSetting("Layout", Settings::values.cardboard_x_shift);
     ReadSetting("Layout", Settings::values.cardboard_y_shift);
+    ReadSetting("Layout", Settings::values.upright_screen);
 
     Settings::values.portrait_layout_option =
         static_cast<Settings::PortraitLayoutOption>(sdl2_config->GetInteger(

src/android/app/src/main/res/drawable/ic_rotate_up_right.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M16,18l2.29,-2.29 -4.88,-4.88 -4,4L2,7.41 3.41,6l6,6 4,-4 6.3,6.29L22,12v6z"/>
+
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M12,2L8,6h4v3h2V6h4L12,2z"/>
+</vector>

src/android/app/src/main/res/menu/menu_in_game.xml

@@ -35,9 +35,13 @@
     <item
         android:id="@+id/menu_swap_screens"
         android:icon="@drawable/ic_splitscreen"
-
         android:title="@string/emulation_swap_screens" />
 
+    <item
+        android:id="@+id/menu_rotate_upright"
+        android:icon="@drawable/ic_rotate_up_right"
+        android:title="@string/emulation_rotate_upright" />
+
     <item
         android:id="@+id/menu_lock_drawer"
         android:icon="@drawable/ic_unlocked"

src/android/app/src/main/res/values/strings.xml

@@ -132,6 +132,7 @@
     <string name="button_start" translatable="false">START</string>
     <string name="button_home">HOME</string>
     <string name="button_swap">Swap Screens</string>
+    <string name="emulation_rotate_upright">Rotate Screen Upright</string>
     <string name="button_x" translatable="false">X</string>
     <string name="button_y" translatable="false">Y</string>
     <string name="button_l" translatable="false">L</string>