diff options
Diffstat (limited to 'servers/physics_2d/physics_server_2d_wrap_mt.cpp')
| -rw-r--r-- | servers/physics_2d/physics_server_2d_wrap_mt.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/servers/physics_2d/physics_server_2d_wrap_mt.cpp b/servers/physics_2d/physics_server_2d_wrap_mt.cpp new file mode 100644 index 0000000000..c0f49aa4d1 --- /dev/null +++ b/servers/physics_2d/physics_server_2d_wrap_mt.cpp @@ -0,0 +1,173 @@ +/*************************************************************************/ +/* physics_2d_server_wrap_mt.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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" + +#include "core/os/os.h" + +void PhysicsServer2DWrapMT::thread_exit() { + + exit = true; +} + +void PhysicsServer2DWrapMT::thread_step(real_t p_delta) { + + physics_2d_server->step(p_delta); + step_sem.post(); +} + +void PhysicsServer2DWrapMT::_thread_callback(void *_instance) { + + PhysicsServer2DWrapMT *vsmt = reinterpret_cast<PhysicsServer2DWrapMT *>(_instance); + + vsmt->thread_loop(); +} + +void PhysicsServer2DWrapMT::thread_loop() { + + server_thread = Thread::get_caller_id(); + + physics_2d_server->init(); + + exit = false; + step_thread_up = true; + while (!exit) { + // flush commands one by one, until exit is requested + command_queue.wait_and_flush_one(); + } + + command_queue.flush_all(); // flush all + + physics_2d_server->finish(); +} + +/* EVENT QUEUING */ + +void PhysicsServer2DWrapMT::step(real_t p_step) { + + if (create_thread) { + + command_queue.push(this, &PhysicsServer2DWrapMT::thread_step, p_step); + } else { + + command_queue.flush_all(); //flush all pending from other threads + physics_2d_server->step(p_step); + } +} + +void PhysicsServer2DWrapMT::sync() { + + if (thread) { + if (first_frame) + first_frame = false; + else + step_sem.wait(); //must not wait if a step was not issued + } + physics_2d_server->sync(); +} + +void PhysicsServer2DWrapMT::flush_queries() { + + physics_2d_server->flush_queries(); +} + +void PhysicsServer2DWrapMT::end_sync() { + + physics_2d_server->end_sync(); +} + +void PhysicsServer2DWrapMT::init() { + + if (create_thread) { + + //OS::get_singleton()->release_rendering_thread(); + thread = Thread::create(_thread_callback, this); + while (!step_thread_up) { + OS::get_singleton()->delay_usec(1000); + } + } else { + + physics_2d_server->init(); + } +} + +void PhysicsServer2DWrapMT::finish() { + + if (thread) { + + command_queue.push(this, &PhysicsServer2DWrapMT::thread_exit); + Thread::wait_to_finish(thread); + memdelete(thread); + + thread = NULL; + } else { + physics_2d_server->finish(); + } + + line_shape_free_cached_ids(); + ray_shape_free_cached_ids(); + segment_shape_free_cached_ids(); + circle_shape_free_cached_ids(); + rectangle_shape_free_cached_ids(); + capsule_shape_free_cached_ids(); + convex_polygon_shape_free_cached_ids(); + concave_polygon_shape_free_cached_ids(); + + space_free_cached_ids(); + area_free_cached_ids(); + body_free_cached_ids(); +} + +PhysicsServer2DWrapMT::PhysicsServer2DWrapMT(PhysicsServer2D *p_contained, bool p_create_thread) : + command_queue(p_create_thread) { + + physics_2d_server = p_contained; + create_thread = p_create_thread; + thread = NULL; + step_pending = 0; + step_thread_up = false; + + pool_max_size = GLOBAL_GET("memory/limits/multithreaded_server/rid_pool_prealloc"); + + if (!p_create_thread) { + server_thread = Thread::get_caller_id(); + } else { + server_thread = 0; + } + + main_thread = Thread::get_caller_id(); + first_frame = true; +} + +PhysicsServer2DWrapMT::~PhysicsServer2DWrapMT() { + + memdelete(physics_2d_server); + //finish(); +} |