diff options
Diffstat (limited to 'servers/rendering/rendering_server_wrap_mt.cpp')
| -rw-r--r-- | servers/rendering/rendering_server_wrap_mt.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/servers/rendering/rendering_server_wrap_mt.cpp b/servers/rendering/rendering_server_wrap_mt.cpp new file mode 100644 index 0000000000..d1bb7b67c6 --- /dev/null +++ b/servers/rendering/rendering_server_wrap_mt.cpp @@ -0,0 +1,197 @@ +/*************************************************************************/ +/* rendering_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 "rendering_server_wrap_mt.h" +#include "core/os/os.h" +#include "core/project_settings.h" +#include "servers/display_server.h" + +void RenderingServerWrapMT::thread_exit() { + + exit = true; +} + +void RenderingServerWrapMT::thread_draw(bool p_swap_buffers, double frame_step) { + + if (!atomic_decrement(&draw_pending)) { + + rendering_server->draw(p_swap_buffers, frame_step); + } +} + +void RenderingServerWrapMT::thread_flush() { + + atomic_decrement(&draw_pending); +} + +void RenderingServerWrapMT::_thread_callback(void *_instance) { + + RenderingServerWrapMT *vsmt = reinterpret_cast<RenderingServerWrapMT *>(_instance); + + vsmt->thread_loop(); +} + +void RenderingServerWrapMT::thread_loop() { + + server_thread = Thread::get_caller_id(); + + DisplayServer::get_singleton()->make_rendering_thread(); + + rendering_server->init(); + + exit = false; + draw_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 + + rendering_server->finish(); +} + +/* EVENT QUEUING */ + +void RenderingServerWrapMT::sync() { + + if (create_thread) { + + atomic_increment(&draw_pending); + command_queue.push_and_sync(this, &RenderingServerWrapMT::thread_flush); + } else { + + command_queue.flush_all(); //flush all pending from other threads + } +} + +void RenderingServerWrapMT::draw(bool p_swap_buffers, double frame_step) { + + if (create_thread) { + + atomic_increment(&draw_pending); + command_queue.push(this, &RenderingServerWrapMT::thread_draw, p_swap_buffers, frame_step); + } else { + + rendering_server->draw(p_swap_buffers, frame_step); + } +} + +void RenderingServerWrapMT::init() { + + if (create_thread) { + + print_verbose("RenderingServerWrapMT: Creating render thread"); + DisplayServer::get_singleton()->release_rendering_thread(); + if (create_thread) { + thread = Thread::create(_thread_callback, this); + print_verbose("RenderingServerWrapMT: Starting render thread"); + } + while (!draw_thread_up) { + OS::get_singleton()->delay_usec(1000); + } + print_verbose("RenderingServerWrapMT: Finished render thread"); + } else { + + rendering_server->init(); + } +} + +void RenderingServerWrapMT::finish() { + + if (thread) { + + command_queue.push(this, &RenderingServerWrapMT::thread_exit); + Thread::wait_to_finish(thread); + memdelete(thread); + + thread = NULL; + } else { + rendering_server->finish(); + } + + sky_free_cached_ids(); + shader_free_cached_ids(); + material_free_cached_ids(); + mesh_free_cached_ids(); + multimesh_free_cached_ids(); + immediate_free_cached_ids(); + skeleton_free_cached_ids(); + directional_light_free_cached_ids(); + omni_light_free_cached_ids(); + spot_light_free_cached_ids(); + reflection_probe_free_cached_ids(); + gi_probe_free_cached_ids(); + lightmap_capture_free_cached_ids(); + particles_free_cached_ids(); + camera_free_cached_ids(); + viewport_free_cached_ids(); + environment_free_cached_ids(); + camera_effects_free_cached_ids(); + scenario_free_cached_ids(); + instance_free_cached_ids(); + canvas_free_cached_ids(); + canvas_item_free_cached_ids(); + canvas_light_occluder_free_cached_ids(); + canvas_occluder_polygon_free_cached_ids(); +} + +void RenderingServerWrapMT::set_use_vsync_callback(bool p_enable) { + + singleton_mt->call_set_use_vsync(p_enable); +} + +RenderingServerWrapMT *RenderingServerWrapMT::singleton_mt = NULL; + +RenderingServerWrapMT::RenderingServerWrapMT(RenderingServer *p_contained, bool p_create_thread) : + command_queue(p_create_thread) { + + singleton_mt = this; + DisplayServer::switch_vsync_function = set_use_vsync_callback; //as this goes to another thread, make sure it goes properly + + rendering_server = p_contained; + create_thread = p_create_thread; + thread = NULL; + draw_pending = 0; + draw_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; + } +} + +RenderingServerWrapMT::~RenderingServerWrapMT() { + + memdelete(rendering_server); + //finish(); +} |