initial commit, 4.5 stable

servers/physics_server_2d_wrap_mt.cpp

@@ -0,0 +1,121 @@
+/**************************************************************************/
+/*  physics_server_2d_wrap_mt.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 "physics_server_2d_wrap_mt.h"
+
+void PhysicsServer2DWrapMT::_assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id) {
+	server_thread = Thread::get_caller_id();
+	server_task_id = p_pump_task_id;
+}
+
+void PhysicsServer2DWrapMT::_thread_exit() {
+	exit = true;
+}
+
+void PhysicsServer2DWrapMT::_thread_loop() {
+	while (!exit) {
+		WorkerThreadPool::get_singleton()->yield();
+
+		if (!doing_sync.is_set()) {
+			command_queue.flush_all();
+		}
+	}
+}
+
+void PhysicsServer2DWrapMT::_thread_sync() {
+	doing_sync.set();
+}
+
+/* EVENT QUEUING */
+
+void PhysicsServer2DWrapMT::step(real_t p_step) {
+	if (create_thread) {
+		command_queue.push(physics_server_2d, &PhysicsServer2D::step, p_step);
+	} else {
+		physics_server_2d->step(p_step);
+	}
+}
+
+void PhysicsServer2DWrapMT::sync() {
+	if (create_thread) {
+		command_queue.push_and_sync(this, &PhysicsServer2DWrapMT::_thread_sync);
+	} else {
+		command_queue.flush_all(); // Flush all pending from other threads.
+	}
+	physics_server_2d->sync();
+}
+
+void PhysicsServer2DWrapMT::flush_queries() {
+	physics_server_2d->flush_queries();
+}
+
+void PhysicsServer2DWrapMT::end_sync() {
+	physics_server_2d->end_sync();
+
+	if (create_thread) {
+		doing_sync.clear();
+	}
+}
+
+void PhysicsServer2DWrapMT::init() {
+	if (create_thread) {
+		WorkerThreadPool::TaskID tid = WorkerThreadPool::get_singleton()->add_task(callable_mp(this, &PhysicsServer2DWrapMT::_thread_loop), true, "Physics server 2D pump task", true);
+		command_queue.set_pump_task_id(tid);
+		command_queue.push(this, &PhysicsServer2DWrapMT::_assign_mt_ids, tid);
+		command_queue.push_and_sync(physics_server_2d, &PhysicsServer2D::init);
+		DEV_ASSERT(server_task_id == tid);
+	} else {
+		server_thread = Thread::MAIN_ID;
+		physics_server_2d->init();
+	}
+}
+
+void PhysicsServer2DWrapMT::finish() {
+	if (create_thread) {
+		command_queue.push(physics_server_2d, &PhysicsServer2D::finish);
+		command_queue.push(this, &PhysicsServer2DWrapMT::_thread_exit);
+		if (server_task_id != WorkerThreadPool::INVALID_TASK_ID) {
+			WorkerThreadPool::get_singleton()->wait_for_task_completion(server_task_id);
+			server_task_id = WorkerThreadPool::INVALID_TASK_ID;
+		}
+		server_thread = Thread::MAIN_ID;
+	} else {
+		physics_server_2d->finish();
+	}
+}
+
+PhysicsServer2DWrapMT::PhysicsServer2DWrapMT(PhysicsServer2D *p_contained, bool p_create_thread) {
+	physics_server_2d = p_contained;
+	create_thread = p_create_thread;
+}
+
+PhysicsServer2DWrapMT::~PhysicsServer2DWrapMT() {
+	memdelete(physics_server_2d);
+}