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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <jni.h>
#include "common/assert.h"
#include "common/fs/fs_android.h"
#include "jni/applets/software_keyboard.h"
#include "jni/id_cache.h"
#include "video_core/rasterizer_interface.h"
static JavaVM* s_java_vm;
static jclass s_native_library_class;
static jclass s_disk_cache_progress_class;
static jclass s_load_callback_stage_class;
static jclass s_game_dir_class;
static jmethodID s_game_dir_constructor;
static jmethodID s_exit_emulation_activity;
static jmethodID s_disk_cache_load_progress;
static jmethodID s_on_emulation_started;
static jmethodID s_on_emulation_stopped;
static jclass s_game_class;
static jmethodID s_game_constructor;
static jfieldID s_game_title_field;
static jfieldID s_game_path_field;
static jfieldID s_game_program_id_field;
static jfieldID s_game_developer_field;
static jfieldID s_game_version_field;
static jfieldID s_game_is_homebrew_field;
static jclass s_string_class;
static jclass s_pair_class;
static jmethodID s_pair_constructor;
static jfieldID s_pair_first_field;
static jfieldID s_pair_second_field;
static constexpr jint JNI_VERSION = JNI_VERSION_1_6;
namespace IDCache {
JNIEnv* GetEnvForThread() {
thread_local static struct OwnedEnv {
OwnedEnv() {
status = s_java_vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6);
if (status == JNI_EDETACHED)
s_java_vm->AttachCurrentThread(&env, nullptr);
}
~OwnedEnv() {
if (status == JNI_EDETACHED)
s_java_vm->DetachCurrentThread();
}
int status;
JNIEnv* env = nullptr;
} owned;
return owned.env;
}
jclass GetNativeLibraryClass() {
return s_native_library_class;
}
jclass GetDiskCacheProgressClass() {
return s_disk_cache_progress_class;
}
jclass GetDiskCacheLoadCallbackStageClass() {
return s_load_callback_stage_class;
}
jclass GetGameDirClass() {
return s_game_dir_class;
}
jmethodID GetGameDirConstructor() {
return s_game_dir_constructor;
}
jmethodID GetExitEmulationActivity() {
return s_exit_emulation_activity;
}
jmethodID GetDiskCacheLoadProgress() {
return s_disk_cache_load_progress;
}
jmethodID GetOnEmulationStarted() {
return s_on_emulation_started;
}
jmethodID GetOnEmulationStopped() {
return s_on_emulation_stopped;
}
jclass GetGameClass() {
return s_game_class;
}
jmethodID GetGameConstructor() {
return s_game_constructor;
}
jfieldID GetGameTitleField() {
return s_game_title_field;
}
jfieldID GetGamePathField() {
return s_game_path_field;
}
jfieldID GetGameProgramIdField() {
return s_game_program_id_field;
}
jfieldID GetGameDeveloperField() {
return s_game_developer_field;
}
jfieldID GetGameVersionField() {
return s_game_version_field;
}
jfieldID GetGameIsHomebrewField() {
return s_game_is_homebrew_field;
}
jclass GetStringClass() {
return s_string_class;
}
jclass GetPairClass() {
return s_pair_class;
}
jmethodID GetPairConstructor() {
return s_pair_constructor;
}
jfieldID GetPairFirstField() {
return s_pair_first_field;
}
jfieldID GetPairSecondField() {
return s_pair_second_field;
}
} // namespace IDCache
#ifdef __cplusplus
extern "C" {
#endif
jint JNI_OnLoad(JavaVM* vm, void* reserved) {
s_java_vm = vm;
JNIEnv* env;
if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION) != JNI_OK)
return JNI_ERR;
// Initialize Java classes
const jclass native_library_class = env->FindClass("org/yuzu/yuzu_emu/NativeLibrary");
s_native_library_class = reinterpret_cast<jclass>(env->NewGlobalRef(native_library_class));
s_disk_cache_progress_class = reinterpret_cast<jclass>(env->NewGlobalRef(
env->FindClass("org/yuzu/yuzu_emu/disk_shader_cache/DiskShaderCacheProgress")));
s_load_callback_stage_class = reinterpret_cast<jclass>(env->NewGlobalRef(env->FindClass(
"org/yuzu/yuzu_emu/disk_shader_cache/DiskShaderCacheProgress$LoadCallbackStage")));
const jclass game_dir_class = env->FindClass("org/yuzu/yuzu_emu/model/GameDir");
s_game_dir_class = reinterpret_cast<jclass>(env->NewGlobalRef(game_dir_class));
s_game_dir_constructor = env->GetMethodID(game_dir_class, "<init>", "(Ljava/lang/String;Z)V");
env->DeleteLocalRef(game_dir_class);
// Initialize methods
s_exit_emulation_activity =
env->GetStaticMethodID(s_native_library_class, "exitEmulationActivity", "(I)V");
s_disk_cache_load_progress =
env->GetStaticMethodID(s_disk_cache_progress_class, "loadProgress", "(III)V");
s_on_emulation_started =
env->GetStaticMethodID(s_native_library_class, "onEmulationStarted", "()V");
s_on_emulation_stopped =
env->GetStaticMethodID(s_native_library_class, "onEmulationStopped", "(I)V");
const jclass game_class = env->FindClass("org/yuzu/yuzu_emu/model/Game");
s_game_class = reinterpret_cast<jclass>(env->NewGlobalRef(game_class));
s_game_constructor = env->GetMethodID(game_class, "<init>",
"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/"
"String;Ljava/lang/String;Ljava/lang/String;Z)V");
s_game_title_field = env->GetFieldID(game_class, "title", "Ljava/lang/String;");
s_game_path_field = env->GetFieldID(game_class, "path", "Ljava/lang/String;");
s_game_program_id_field = env->GetFieldID(game_class, "programId", "Ljava/lang/String;");
s_game_developer_field = env->GetFieldID(game_class, "developer", "Ljava/lang/String;");
s_game_version_field = env->GetFieldID(game_class, "version", "Ljava/lang/String;");
s_game_is_homebrew_field = env->GetFieldID(game_class, "isHomebrew", "Z");
env->DeleteLocalRef(game_class);
const jclass string_class = env->FindClass("java/lang/String");
s_string_class = reinterpret_cast<jclass>(env->NewGlobalRef(string_class));
env->DeleteLocalRef(string_class);
const jclass pair_class = env->FindClass("kotlin/Pair");
s_pair_class = reinterpret_cast<jclass>(env->NewGlobalRef(pair_class));
s_pair_constructor =
env->GetMethodID(pair_class, "<init>", "(Ljava/lang/Object;Ljava/lang/Object;)V");
s_pair_first_field = env->GetFieldID(pair_class, "first", "Ljava/lang/Object;");
s_pair_second_field = env->GetFieldID(pair_class, "second", "Ljava/lang/Object;");
env->DeleteLocalRef(pair_class);
// Initialize Android Storage
Common::FS::Android::RegisterCallbacks(env, s_native_library_class);
// Initialize applets
SoftwareKeyboard::InitJNI(env);
return JNI_VERSION;
}
void JNI_OnUnload(JavaVM* vm, void* reserved) {
JNIEnv* env;
if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION) != JNI_OK) {
return;
}
// UnInitialize Android Storage
Common::FS::Android::UnRegisterCallbacks();
env->DeleteGlobalRef(s_native_library_class);
env->DeleteGlobalRef(s_disk_cache_progress_class);
env->DeleteGlobalRef(s_load_callback_stage_class);
env->DeleteGlobalRef(s_game_dir_class);
env->DeleteGlobalRef(s_game_class);
env->DeleteGlobalRef(s_string_class);
env->DeleteGlobalRef(s_pair_class);
// UnInitialize applets
SoftwareKeyboard::CleanupJNI(env);
}
#ifdef __cplusplus
}
#endif
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