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78 lines
2.6 KiB
78 lines
2.6 KiB
/****************************************************************************
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Copyright (c) 2020-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include "TFJobSystem.h"
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#include "base/std/container/deque.h"
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#include "taskflow/taskflow.hpp"
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namespace cc {
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using TFJobToken = void;
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class TFJobGraph final {
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public:
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explicit TFJobGraph(TFJobSystem *system) noexcept : _executor(&system->_executor) {}
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template <typename Function>
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uint32_t createJob(Function &&func) noexcept;
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template <typename Function>
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uint32_t createForEachIndexJob(uint32_t begin, uint32_t end, uint32_t step, Function &&func) noexcept;
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void makeEdge(uint32_t j1, uint32_t j2) noexcept;
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void run() noexcept;
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inline void waitForAll() {
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if (_pending) {
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_future.wait();
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_pending = false;
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}
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}
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private:
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tf::Executor *_executor = nullptr;
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tf::Taskflow _flow;
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ccstd::deque<tf::Task> _tasks; // existing tasks cannot be invalidated
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std::future<void> _future;
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bool _pending = false;
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};
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template <typename Function>
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uint32_t TFJobGraph::createJob(Function &&func) noexcept {
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_tasks.emplace_back(_flow.emplace(func));
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return static_cast<uint32_t>(_tasks.size() - 1u);
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}
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template <typename Function>
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uint32_t TFJobGraph::createForEachIndexJob(uint32_t begin, uint32_t end, uint32_t step, Function &&func) noexcept {
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_tasks.emplace_back(_flow.for_each_index(begin, end, step, func));
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return static_cast<uint32_t>(_tasks.size() - 1u);
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}
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} // namespace cc
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