[android,ui] fixed shader cache clearing when changing drivers

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/DriverViewModel.kt

@@ -23,6 +23,7 @@ import org.yuzu.yuzu_emu.model.Driver.Companion.toDriver
 import org.yuzu.yuzu_emu.utils.GpuDriverHelper
 import org.yuzu.yuzu_emu.NativeLibrary
 import org.yuzu.yuzu_emu.utils.GpuDriverMetadata
+import org.yuzu.yuzu_emu.utils.DirectoryInitialization
 import org.yuzu.yuzu_emu.utils.NativeConfig
 import java.io.File
 
@@ -146,11 +147,11 @@ class DriverViewModel : ViewModel() {
     private fun wipeGameShaders(game: Game) {
         viewModelScope.launch {
             withContext(Dispatchers.IO) {
-                val externalFilesDir = YuzuApplication.appContext.getExternalFilesDir(null)
+                val userDirectory = DirectoryInitialization.userDirectory
                     ?: return@withContext
                 val shaderDir = File(
-                    externalFilesDir.absolutePath +
-                    "/shader/" + game.settingsName.lowercase()
+                    userDirectory +
+                    "/cache/shader/" + game.settingsName.lowercase()
                 )
                 if (shaderDir.exists()) {
                     shaderDir.deleteRecursively()

src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/NativeConfig.kt

@@ -28,13 +28,13 @@ object NativeConfig {
      * Reads values in the global config file and saves them.
      */
     @Synchronized
-    external fun reloadGlobalConfig(): Boolean
+    external fun reloadGlobalConfig()
 
     /**
      * Saves global settings values in memory to disk.
      */
     @Synchronized
-    external fun saveGlobalConfig(): Boolean
+    external fun saveGlobalConfig()
 
     /**
      * Creates per-game config for the specified parameters. Must be unloaded once per-game config
@@ -54,7 +54,7 @@ object NativeConfig {
      * Saves per-game settings values in memory to disk.
      */
     @Synchronized
-    external fun savePerGameConfig(): Boolean
+    external fun savePerGameConfig()
 
     /**
      * Destroys the stored per-game config object. This does not save the config.

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

@@ -58,18 +58,13 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_unloadGlobalConfig(JNIEnv* env,
     global_config.reset();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_reloadGlobalConfig(JNIEnv* env, jobject obj) {
-    if (global_config) {
-        global_config->AndroidConfig::ReloadAllValues();
-        ResetFxChainToGlobal();
-    }
-    return global_config != nullptr;
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_reloadGlobalConfig(JNIEnv* env, jobject obj) {
+    global_config->AndroidConfig::ReloadAllValues();
+    ResetFxChainToGlobal();
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_saveGlobalConfig(JNIEnv* env, jobject obj) {
-    if (global_config)
-        global_config->AndroidConfig::SaveAllValues();
-    return global_config != nullptr;
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_saveGlobalConfig(JNIEnv* env, jobject obj) {
+    global_config->AndroidConfig::SaveAllValues();
 }
 
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializePerGameConfig(JNIEnv* env, jobject obj,
@@ -82,14 +77,13 @@ void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_initializePerGameConfig(JNIEnv*
         std::make_unique<AndroidConfig>(config_file_name, Config::ConfigType::PerGameConfig);
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_isPerGameConfigLoaded(JNIEnv* env, jobject obj) {
+jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_isPerGameConfigLoaded(JNIEnv* env,
+                                                                          jobject obj) {
     return per_game_config != nullptr;
 }
 
-jboolean Java_org_yuzu_yuzu_1emu_utils_NativeConfig_savePerGameConfig(JNIEnv* env, jobject obj) {
-    if (per_game_config)
-        per_game_config->AndroidConfig::SaveAllValues();
-    return per_game_config != nullptr;
+void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_savePerGameConfig(JNIEnv* env, jobject obj) {
+    per_game_config->AndroidConfig::SaveAllValues();
 }
 
 void Java_org_yuzu_yuzu_1emu_utils_NativeConfig_unloadPerGameConfig(JNIEnv* env, jobject obj) {