mirror of
https://github.com/encounter/dawn-cmake.git
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41e4d9a34c
This CL updates the clang format files to have a single shared format between Dawn and Tint. The major changes are tabs are 4 spaces, lines are 100 columns and namespaces are not indented. Bug: dawn:1339 Change-Id: I4208742c95643998d9fd14e77a9cc558071ded39 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87603 Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
// Copyright 2021 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn/platform/WorkerThread.h"
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#include <condition_variable>
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#include <functional>
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#include <thread>
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#include "dawn/common/Assert.h"
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namespace {
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class AsyncWaitableEventImpl {
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public:
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AsyncWaitableEventImpl() : mIsComplete(false) {}
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void Wait() {
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std::unique_lock<std::mutex> lock(mMutex);
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mCondition.wait(lock, [this] { return mIsComplete; });
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}
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bool IsComplete() {
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std::lock_guard<std::mutex> lock(mMutex);
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return mIsComplete;
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}
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void MarkAsComplete() {
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{
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std::lock_guard<std::mutex> lock(mMutex);
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mIsComplete = true;
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}
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mCondition.notify_all();
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}
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private:
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std::mutex mMutex;
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std::condition_variable mCondition;
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bool mIsComplete;
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};
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class AsyncWaitableEvent final : public dawn::platform::WaitableEvent {
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public:
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AsyncWaitableEvent() : mWaitableEventImpl(std::make_shared<AsyncWaitableEventImpl>()) {}
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void Wait() override { mWaitableEventImpl->Wait(); }
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bool IsComplete() override { return mWaitableEventImpl->IsComplete(); }
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std::shared_ptr<AsyncWaitableEventImpl> GetWaitableEventImpl() const {
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return mWaitableEventImpl;
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}
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private:
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std::shared_ptr<AsyncWaitableEventImpl> mWaitableEventImpl;
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};
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} // anonymous namespace
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namespace dawn::platform {
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std::unique_ptr<dawn::platform::WaitableEvent> AsyncWorkerThreadPool::PostWorkerTask(
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dawn::platform::PostWorkerTaskCallback callback,
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void* userdata) {
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std::unique_ptr<AsyncWaitableEvent> waitableEvent = std::make_unique<AsyncWaitableEvent>();
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std::function<void()> doTask = [callback, userdata,
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waitableEventImpl = waitableEvent->GetWaitableEventImpl()]() {
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callback(userdata);
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waitableEventImpl->MarkAsComplete();
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};
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std::thread thread(doTask);
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thread.detach();
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return waitableEvent;
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}
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} // namespace dawn::platform
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