feat(physics): wire physx sdk into build
This commit is contained in:
183
engine/third_party/physx/source/physxextensions/src/ExtDefaultCpuDispatcher.cpp
vendored
Normal file
183
engine/third_party/physx/source/physxextensions/src/ExtDefaultCpuDispatcher.cpp
vendored
Normal file
@@ -0,0 +1,183 @@
|
||||
// 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 "ExtDefaultCpuDispatcher.h"
|
||||
#include "ExtCpuWorkerThread.h"
|
||||
#include "ExtTaskQueueHelper.h"
|
||||
#include "foundation/PxString.h"
|
||||
|
||||
using namespace physx;
|
||||
|
||||
PxDefaultCpuDispatcher* physx::PxDefaultCpuDispatcherCreate(PxU32 numThreads, PxU32* affinityMasks, PxDefaultCpuDispatcherWaitForWorkMode::Enum mode, PxU32 yieldProcessorCount)
|
||||
{
|
||||
return PX_NEW(Ext::DefaultCpuDispatcher)(numThreads, affinityMasks, mode, yieldProcessorCount);
|
||||
}
|
||||
|
||||
#if !PX_SWITCH
|
||||
void Ext::DefaultCpuDispatcher::getAffinityMasks(PxU32* affinityMasks, PxU32 threadCount)
|
||||
{
|
||||
for(PxU32 i=0; i < threadCount; i++)
|
||||
{
|
||||
affinityMasks[i] = 0;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
Ext::DefaultCpuDispatcher::DefaultCpuDispatcher(PxU32 numThreads, PxU32* affinityMasks, PxDefaultCpuDispatcherWaitForWorkMode::Enum mode, PxU32 yieldProcessorCount) : mNumThreads(numThreads), mShuttingDown(false)
|
||||
#if PX_PROFILE
|
||||
,mRunProfiled(true)
|
||||
#else
|
||||
,mRunProfiled(false)
|
||||
#endif
|
||||
, mWaitForWorkMode(mode)
|
||||
, mYieldProcessorCount(yieldProcessorCount)
|
||||
{
|
||||
PX_CHECK_MSG((((PxDefaultCpuDispatcherWaitForWorkMode::eYIELD_PROCESSOR == mWaitForWorkMode) && (mYieldProcessorCount > 0)) ||
|
||||
(((PxDefaultCpuDispatcherWaitForWorkMode::eYIELD_THREAD == mWaitForWorkMode) || (PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == mWaitForWorkMode)) && (0 == mYieldProcessorCount))), "Illegal yield processor count for chosen execute mode");
|
||||
|
||||
PxU32* defaultAffinityMasks = NULL;
|
||||
|
||||
if(!affinityMasks)
|
||||
{
|
||||
defaultAffinityMasks = PX_ALLOCATE(PxU32, numThreads, "ThreadAffinityMasks");
|
||||
getAffinityMasks(defaultAffinityMasks, numThreads);
|
||||
affinityMasks = defaultAffinityMasks;
|
||||
}
|
||||
|
||||
// initialize threads first, then start
|
||||
|
||||
mWorkerThreads = PX_ALLOCATE(CpuWorkerThread, numThreads, "CpuWorkerThread");
|
||||
const PxU32 nameLength = 32;
|
||||
mThreadNames = PX_ALLOCATE(PxU8, nameLength * numThreads, "CpuWorkerThreadName");
|
||||
|
||||
if (mWorkerThreads)
|
||||
{
|
||||
for(PxU32 i = 0; i < numThreads; ++i)
|
||||
{
|
||||
PX_PLACEMENT_NEW(mWorkerThreads+i, CpuWorkerThread)();
|
||||
mWorkerThreads[i].initialize(this);
|
||||
}
|
||||
|
||||
for(PxU32 i = 0; i < numThreads; ++i)
|
||||
{
|
||||
if (mThreadNames)
|
||||
{
|
||||
char* threadName = reinterpret_cast<char*>(mThreadNames + (i*nameLength));
|
||||
Pxsnprintf(threadName, nameLength, "PxWorker%02d", i);
|
||||
mWorkerThreads[i].setName(threadName);
|
||||
}
|
||||
|
||||
mWorkerThreads[i].setAffinityMask(affinityMasks[i]);
|
||||
mWorkerThreads[i].start(PxThread::getDefaultStackSize());
|
||||
}
|
||||
|
||||
PX_FREE(defaultAffinityMasks);
|
||||
}
|
||||
else
|
||||
{
|
||||
mNumThreads = 0;
|
||||
}
|
||||
}
|
||||
|
||||
Ext::DefaultCpuDispatcher::~DefaultCpuDispatcher()
|
||||
{
|
||||
for(PxU32 i = 0; i < mNumThreads; ++i)
|
||||
mWorkerThreads[i].signalQuit();
|
||||
|
||||
mShuttingDown = true;
|
||||
if(PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == mWaitForWorkMode)
|
||||
mWorkReady.set();
|
||||
for(PxU32 i = 0; i < mNumThreads; ++i)
|
||||
mWorkerThreads[i].waitForQuit();
|
||||
|
||||
for(PxU32 i = 0; i < mNumThreads; ++i)
|
||||
mWorkerThreads[i].~CpuWorkerThread();
|
||||
|
||||
PX_FREE(mWorkerThreads);
|
||||
PX_FREE(mThreadNames);
|
||||
}
|
||||
|
||||
void Ext::DefaultCpuDispatcher::release()
|
||||
{
|
||||
PX_DELETE_THIS;
|
||||
}
|
||||
|
||||
void Ext::DefaultCpuDispatcher::submitTask(PxBaseTask& task)
|
||||
{
|
||||
if(!mNumThreads)
|
||||
{
|
||||
// no worker threads, run directly
|
||||
runTask(task);
|
||||
task.release();
|
||||
return;
|
||||
}
|
||||
|
||||
// TODO: Could use TLS to make this more efficient
|
||||
const PxThread::Id currentThread = PxThread::getId();
|
||||
const PxU32 nbThreads = mNumThreads;
|
||||
for(PxU32 i=0; i<nbThreads; ++i)
|
||||
{
|
||||
if(mWorkerThreads[i].tryAcceptJobToLocalQueue(task, currentThread))
|
||||
{
|
||||
if(PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == mWaitForWorkMode)
|
||||
mWorkReady.set();
|
||||
else
|
||||
PX_ASSERT(PxDefaultCpuDispatcherWaitForWorkMode::eYIELD_PROCESSOR == mWaitForWorkMode || PxDefaultCpuDispatcherWaitForWorkMode::eYIELD_THREAD == mWaitForWorkMode);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if(mHelper.tryAcceptJobToQueue(task))
|
||||
{
|
||||
if(PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == mWaitForWorkMode)
|
||||
mWorkReady.set();
|
||||
}
|
||||
}
|
||||
|
||||
void Ext::DefaultCpuDispatcher::resetWakeSignal()
|
||||
{
|
||||
PX_ASSERT(PxDefaultCpuDispatcherWaitForWorkMode::eWAIT_FOR_WORK == mWaitForWorkMode);
|
||||
mWorkReady.reset();
|
||||
|
||||
// The code below is necessary to avoid deadlocks on shut down.
|
||||
// A thread usually loops as follows:
|
||||
// while quit is not signaled
|
||||
// 1) reset wake signal
|
||||
// 2) fetch work
|
||||
// 3) if work -> process
|
||||
// 4) else -> wait for wake signal
|
||||
//
|
||||
// If a thread reaches 1) after the thread pool signaled wake up,
|
||||
// the wake up sync gets reset and all other threads which have not
|
||||
// passed 4) already will wait forever.
|
||||
// The code below makes sure that on shutdown, the wake up signal gets
|
||||
// sent again after it was reset
|
||||
//
|
||||
if (mShuttingDown)
|
||||
mWorkReady.set();
|
||||
}
|
||||
Reference in New Issue
Block a user