93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
// 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) 2008-2025 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 "foundation/PxFPU.h"
|
|
|
|
using namespace physx;
|
|
|
|
Ext::CpuWorkerThread::CpuWorkerThread() : mOwner(NULL), mThreadId(0)
|
|
{
|
|
}
|
|
|
|
Ext::CpuWorkerThread::~CpuWorkerThread()
|
|
{
|
|
}
|
|
|
|
#define HighPriority true
|
|
#define RegularPriority false
|
|
|
|
void Ext::CpuWorkerThread::execute()
|
|
{
|
|
mThreadId = getId();
|
|
|
|
const PxDefaultCpuDispatcherWaitForWorkMode::Enum ownerWaitForWorkMode = mOwner->getWaitForWorkMode();
|
|
|
|
while(!quitIsSignalled())
|
|
{
|
|
if(PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == ownerWaitForWorkMode)
|
|
mOwner->resetWakeSignal();
|
|
|
|
// PT: look for high priority tasks first, across threads
|
|
PxBaseTask* task = getJob<HighPriority>();
|
|
if(!task)
|
|
task = mOwner->fetchNextTask<HighPriority>();
|
|
|
|
// PT: then look for regular tasks
|
|
if(!task)
|
|
task = getJob<RegularPriority>();
|
|
if(!task)
|
|
task = mOwner->fetchNextTask<RegularPriority>();
|
|
|
|
if(task)
|
|
{
|
|
mOwner->runTask(*task);
|
|
task->release();
|
|
}
|
|
else if(PxDefaultCpuDispatcherWaitForWorkMode::eYIELD_THREAD == ownerWaitForWorkMode)
|
|
{
|
|
PxThread::yield();
|
|
}
|
|
else if(PxDefaultCpuDispatcherWaitForWorkMode::eYIELD_PROCESSOR == ownerWaitForWorkMode)
|
|
{
|
|
const PxU32 pauseCounter = mOwner->getYieldProcessorCount();
|
|
for(PxU32 j = 0; j < pauseCounter; j++)
|
|
PxThread::yieldProcesor();
|
|
}
|
|
else
|
|
{
|
|
PX_ASSERT(PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == ownerWaitForWorkMode);
|
|
mOwner->waitForWork();
|
|
}
|
|
}
|
|
|
|
quit();
|
|
}
|