Merge branch 'master' into master

src/android/app/src/main/java/org/citra/citra_emu/NativeLibrary.kt

@@ -504,8 +504,9 @@ object NativeLibrary {
             const val ErrorSystemFiles = 8
             const val ErrorSavestate = 9
             const val ErrorArticDisconnected = 10
-            const val ShutdownRequested = 11
-            const val ErrorUnknown = 12
+            const val ErrorN3DSApplication = 11
+            const val ShutdownRequested = 12
+            const val ErrorUnknown = 13
 
             fun newInstance(resultCode: Int): EmulationErrorDialogFragment {
                 val args = Bundle()

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

@@ -17,7 +17,7 @@ enum class IntSetting(
     CAMERA_INNER_FLIP(SettingKeys.camera_inner_flip(), Settings.SECTION_CAMERA, 0),
     CAMERA_OUTER_LEFT_FLIP(SettingKeys.camera_outer_left_flip(), Settings.SECTION_CAMERA, 0),
     CAMERA_OUTER_RIGHT_FLIP(SettingKeys.camera_outer_right_flip(), Settings.SECTION_CAMERA, 0),
-    GRAPHICS_API(SettingKeys.graphics_api(), Settings.SECTION_RENDERER, 1),
+    GRAPHICS_API(SettingKeys.graphics_api(), Settings.SECTION_RENDERER, 2),
     RESOLUTION_FACTOR(SettingKeys.resolution_factor(), Settings.SECTION_RENDERER, 1),
     STEREOSCOPIC_3D_MODE(SettingKeys.render_3d(), Settings.SECTION_RENDERER, 2),
     STEREOSCOPIC_3D_DEPTH(SettingKeys.factor_3d(), Settings.SECTION_RENDERER, 0),

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

@@ -90,7 +90,7 @@ static const char* android_config_default_file_content = (BOOST_HANA_STRING(R"(
 
 [Renderer]
 # Whether to render using OpenGL
-# 1: OpenGL ES (default), 2: Vulkan
+# 1: OpenGL ES, 2: Vulkan (default)
 )") DECLARE_KEY(graphics_api) BOOST_HANA_STRING(R"(
 
 # Whether to compile shaders on multiple worker threads (Vulkan only)

src/android/app/src/main/res/layout/fragment_system_files.xml

@@ -5,13 +5,13 @@
     android:id="@+id/coordinator_about"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
     android:background="?attr/colorSurface">
 
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/appbar_about"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:fitsSystemWindows="true">
+        android:layout_height="wrap_content">
 
         <com.google.android.material.appbar.MaterialToolbar
             android:id="@+id/toolbar_system_files"

src/citra_libretro/environment.cpp

@@ -61,7 +61,14 @@ bool GetMicrophoneInterface(struct retro_microphone_interface* mic_interface) {
 }
 
 Settings::GraphicsAPI GetPreferredRenderer() {
-    // try and maintain the current driver
+    // On Android, we really want to default to Vulkan if we can, so we'll ignore the frontend's
+    // recommendation if possible...
+#if defined(ANDROID) && defined(ENABLE_VULKAN)
+    return Settings::GraphicsAPI::Vulkan;
+#endif
+    // ...Otherwise negotiate with the RetroArch frontend as usual
+
+    // Attempt to use the renderer recommended by the frontend if possible
     retro_hw_context_type context_type = RETRO_HW_CONTEXT_OPENGL;
     environ_cb(RETRO_ENVIRONMENT_GET_PREFERRED_HW_RENDER, &context_type);
     switch (context_type) {
@@ -80,7 +87,7 @@ Settings::GraphicsAPI GetPreferredRenderer() {
     default:
         break;
     }
-    // we can't maintain the current driver, need to switch
+    // We can't get a recommendation from the frontend, so fall back to whatever's available
 #if defined(ENABLE_VULKAN)
     return Settings::GraphicsAPI::Vulkan;
 #elif defined(ENABLE_OPENGL)

src/common/settings.h

@@ -498,8 +498,11 @@ struct Values {
     Setting<bool> apply_region_free_patch{true, Keys::apply_region_free_patch};
 
     // Renderer
+    // clang-format off
     SwitchableSetting<GraphicsAPI, true> graphics_api{
-#if defined(ENABLE_OPENGL)
+#if defined(ANDROID) && defined(ENABLE_VULKAN) // Prefer Vulkan on Android, OpenGL on everything else
+        GraphicsAPI::Vulkan,
+#elif defined(ENABLE_OPENGL)
         GraphicsAPI::OpenGL,
 #elif defined(ENABLE_VULKAN)
         GraphicsAPI::Vulkan,
@@ -510,6 +513,7 @@ struct Values {
 #error "At least one renderer must be enabled."
 #endif
         GraphicsAPI::Software, GraphicsAPI::Vulkan, Keys::graphics_api};
+    // clang-format on
     SwitchableSetting<u32> physical_device{0, Keys::physical_device};
     Setting<bool> use_gles{false, Keys::use_gles};
     Setting<bool> renderer_debug{false, Keys::renderer_debug};