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authorreduz <reduzio@gmail.com>2020-11-07 19:33:38 -0300
committerreduz <reduzio@gmail.com>2020-11-07 20:17:12 -0300
commit127458ed175c5aeac8dee7f09d23fae4c8928eb7 (patch)
treea1dd3ae46bf575cb8296df38568dfce237c6ecd8 /core/thread_work_pool.h
parent30b6db99a99a94c64d906c1b828ff44f79a1bc75 (diff)
downloadredot-engine-127458ed175c5aeac8dee7f09d23fae4c8928eb7.tar.gz
Reorganized core/ directory, it was too fatty already
-Removed FuncRef, since Callable makes it obsolete -Removed int_types.h as its obsolete in c++11+ -Changed color names code
Diffstat (limited to 'core/thread_work_pool.h')
-rw-r--r--core/thread_work_pool.h133
1 files changed, 0 insertions, 133 deletions
diff --git a/core/thread_work_pool.h b/core/thread_work_pool.h
deleted file mode 100644
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--- a/core/thread_work_pool.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*************************************************************************/
-/* thread_work_pool.h */
-/*************************************************************************/
-/* 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. */
-/*************************************************************************/
-
-#ifndef THREAD_WORK_POOL_H
-#define THREAD_WORK_POOL_H
-
-#include "core/os/memory.h"
-#include "core/os/semaphore.h"
-
-#include <atomic>
-#include <thread>
-
-class ThreadWorkPool {
- std::atomic<uint32_t> index;
-
- struct BaseWork {
- std::atomic<uint32_t> *index;
- uint32_t max_elements;
- virtual void work() = 0;
- virtual ~BaseWork() = default;
- };
-
- template <class C, class M, class U>
- struct Work : public BaseWork {
- C *instance;
- M method;
- U userdata;
- virtual void work() {
- while (true) {
- uint32_t work_index = index->fetch_add(1, std::memory_order_relaxed);
- if (work_index >= max_elements) {
- break;
- }
- (instance->*method)(work_index, userdata);
- }
- }
- };
-
- struct ThreadData {
- std::thread *thread;
- Semaphore start;
- Semaphore completed;
- std::atomic<bool> exit;
- BaseWork *work;
- };
-
- ThreadData *threads = nullptr;
- uint32_t thread_count = 0;
- BaseWork *current_work = nullptr;
-
- static void _thread_function(ThreadData *p_thread);
-
-public:
- template <class C, class M, class U>
- void begin_work(uint32_t p_elements, C *p_instance, M p_method, U p_userdata) {
- ERR_FAIL_COND(!threads); //never initialized
- ERR_FAIL_COND(current_work != nullptr);
-
- index.store(0);
-
- Work<C, M, U> *w = memnew((Work<C, M, U>));
- w->instance = p_instance;
- w->userdata = p_userdata;
- w->method = p_method;
- w->index = &index;
- w->max_elements = p_elements;
-
- current_work = w;
-
- for (uint32_t i = 0; i < thread_count; i++) {
- threads[i].work = w;
- threads[i].start.post();
- }
- }
-
- bool is_working() const {
- return current_work != nullptr;
- }
-
- uint32_t get_work_index() const {
- return index;
- }
-
- void end_work() {
- ERR_FAIL_COND(current_work == nullptr);
- for (uint32_t i = 0; i < thread_count; i++) {
- threads[i].completed.wait();
- threads[i].work = nullptr;
- }
-
- memdelete(current_work);
- current_work = nullptr;
- }
-
- template <class C, class M, class U>
- void do_work(uint32_t p_elements, C *p_instance, M p_method, U p_userdata) {
- begin_work(p_elements, p_instance, p_method, p_userdata);
- end_work();
- }
-
- void init(int p_thread_count = -1);
- void finish();
- ~ThreadWorkPool();
-};
-
-#endif // THREAD_POOL_H