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Diffstat (limited to 'servers/visual/visual_server_wrap_mt.cpp')
| -rw-r--r-- | servers/visual/visual_server_wrap_mt.cpp | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/servers/visual/visual_server_wrap_mt.cpp b/servers/visual/visual_server_wrap_mt.cpp new file mode 100644 index 0000000000..fd15633244 --- /dev/null +++ b/servers/visual/visual_server_wrap_mt.cpp @@ -0,0 +1,193 @@ +/*************************************************************************/ +/* visual_server_wrap_mt.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2017 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 "visual_server_wrap_mt.h" +#include "global_config.h" +#include "os/os.h" + +void VisualServerWrapMT::thread_exit() { + + exit = true; +} + +void VisualServerWrapMT::thread_draw() { + + draw_mutex->lock(); + + draw_pending--; + bool draw = (draw_pending == 0); // only draw when no more flushes are pending + + draw_mutex->unlock(); + + if (draw) { + + visual_server->draw(); + } +} + +void VisualServerWrapMT::thread_flush() { + + draw_mutex->lock(); + + draw_pending--; + + draw_mutex->unlock(); +} + +void VisualServerWrapMT::_thread_callback(void *_instance) { + + VisualServerWrapMT *vsmt = reinterpret_cast<VisualServerWrapMT *>(_instance); + + vsmt->thread_loop(); +} + +void VisualServerWrapMT::thread_loop() { + + server_thread = Thread::get_caller_ID(); + + OS::get_singleton()->make_rendering_thread(); + + visual_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 + + visual_server->finish(); +} + +/* EVENT QUEUING */ + +void VisualServerWrapMT::sync() { + + if (create_thread) { + + /* TODO: sync with the thread */ + + /* + ERR_FAIL_COND(!draw_mutex); + draw_mutex->lock(); + draw_pending++; //cambiar por un saferefcount + draw_mutex->unlock(); + */ + //command_queue.push( this, &VisualServerWrapMT::thread_flush); + } else { + + command_queue.flush_all(); //flush all pending from other threads + } +} + +void VisualServerWrapMT::draw() { + + if (create_thread) { + + /* TODO: Make it draw + ERR_FAIL_COND(!draw_mutex); + draw_mutex->lock(); + draw_pending++; //cambiar por un saferefcount + draw_mutex->unlock(); + + command_queue.push( this, &VisualServerWrapMT::thread_draw); + */ + } else { + + visual_server->draw(); + } +} + +void VisualServerWrapMT::init() { + + if (create_thread) { + + draw_mutex = Mutex::create(); + print_line("CREATING RENDER THREAD"); + OS::get_singleton()->release_rendering_thread(); + if (create_thread) { + thread = Thread::create(_thread_callback, this); + print_line("STARTING RENDER THREAD"); + } + while (!draw_thread_up) { + OS::get_singleton()->delay_usec(1000); + } + print_line("DONE RENDER THREAD"); + } else { + + visual_server->init(); + } +} + +void VisualServerWrapMT::finish() { + + if (thread) { + + command_queue.push(this, &VisualServerWrapMT::thread_exit); + Thread::wait_to_finish(thread); + memdelete(thread); + + texture_free_cached_ids(); + //mesh_free_cached_ids(); + + thread = NULL; + } else { + visual_server->finish(); + } + + if (draw_mutex) + memdelete(draw_mutex); +} + +VisualServerWrapMT::VisualServerWrapMT(VisualServer *p_contained, bool p_create_thread) + : command_queue(p_create_thread) { + + visual_server = p_contained; + create_thread = p_create_thread; + thread = NULL; + draw_mutex = NULL; + draw_pending = 0; + draw_thread_up = false; + alloc_mutex = Mutex::create(); + pool_max_size = GLOBAL_DEF("memory/servers/thread_rid_prealloc_amount", 20); + + if (!p_create_thread) { + server_thread = Thread::get_caller_ID(); + } else { + server_thread = 0; + } +} + +VisualServerWrapMT::~VisualServerWrapMT() { + + memdelete(visual_server); + memdelete(alloc_mutex); + //finish(); +} |