84 lines
3.4 KiB
C++
84 lines
3.4 KiB
C++
/**************************************************************************/
|
|
/* thread_jandroid.cpp */
|
|
/**************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/**************************************************************************/
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/**************************************************************************/
|
|
|
|
#include "thread_jandroid.h"
|
|
|
|
#include "core/os/thread.h"
|
|
|
|
#include <android/log.h>
|
|
|
|
static JavaVM *java_vm = nullptr;
|
|
static thread_local JNIEnv *env = nullptr;
|
|
|
|
// The logic here need to improve, init_thread/term_tread are designed to work with Thread::callback
|
|
// Calling init_thread from setup_android_thread and get_jni_env to setup an env we're keeping and not detaching
|
|
// could cause issues on app termination.
|
|
//
|
|
// We should be making sure that any thread started calls a nice cleanup function when it's done,
|
|
// especially now that we use many more threads.
|
|
|
|
static void init_thread() {
|
|
if (env) {
|
|
// thread never detached! just keep using...
|
|
return;
|
|
}
|
|
|
|
java_vm->AttachCurrentThread(&env, nullptr);
|
|
}
|
|
|
|
static void term_thread() {
|
|
java_vm->DetachCurrentThread();
|
|
|
|
// this is no longer valid, must called init_thread to re-establish
|
|
env = nullptr;
|
|
}
|
|
|
|
void init_thread_jandroid(JavaVM *p_jvm, JNIEnv *p_env) {
|
|
java_vm = p_jvm;
|
|
env = p_env;
|
|
Thread::_set_platform_functions({ .init = init_thread, .term = &term_thread });
|
|
}
|
|
|
|
void setup_android_thread() {
|
|
if (!env) {
|
|
// !BAS! see remarks above
|
|
init_thread();
|
|
}
|
|
}
|
|
|
|
JNIEnv *get_jni_env() {
|
|
if (!env) {
|
|
// !BAS! see remarks above
|
|
init_thread();
|
|
}
|
|
|
|
return env;
|
|
}
|