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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#include "task/PxTask.h"
#include "ExtCpuWorkerThread.h"
#include "ExtDefaultCpuDispatcher.h"
#include "ExtTaskQueueHelper.h"
#include "PsFPU.h"
using namespace physx;
Ext::CpuWorkerThread::CpuWorkerThread()
: mQueueEntryPool(EXT_TASK_QUEUE_ENTRY_POOL_SIZE),
mThreadId(0)
{
}
Ext::CpuWorkerThread::~CpuWorkerThread()
{
}
void Ext::CpuWorkerThread::initialize(DefaultCpuDispatcher* ownerDispatcher)
{
mOwner = ownerDispatcher;
}
bool Ext::CpuWorkerThread::tryAcceptJobToLocalQueue(PxBaseTask& task, Ps::Thread::Id taskSubmitionThread)
{
if(taskSubmitionThread == mThreadId)
{
SharedQueueEntry* entry = mQueueEntryPool.getEntry(&task);
if (entry)
{
mLocalJobList.push(*entry);
return true;
}
else
return false;
}
return false;
}
PxBaseTask* Ext::CpuWorkerThread::giveUpJob()
{
return TaskQueueHelper::fetchTask(mLocalJobList, mQueueEntryPool);
}
void Ext::CpuWorkerThread::execute()
{
mThreadId = getId();
while (!quitIsSignalled())
{
mOwner->resetWakeSignal();
PxBaseTask* task = TaskQueueHelper::fetchTask(mLocalJobList, mQueueEntryPool);
if(!task)
task = mOwner->fetchNextTask();
if (task)
{
mOwner->runTask(*task);
task->release();
}
else
{
mOwner->waitForWork();
}
}
quit();
}
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