From 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 Mon Sep 17 00:00:00 2001
From: git perforce import user <a@b>
Date: Tue, 25 Oct 2016 12:29:14 -0600
Subject: Initial commit: PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @
 21275617

[CL 21300167]
---
 .../PhysXExtensions/src/ExtCpuWorkerThread.cpp     | 106 +++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 PhysX_3.4/Source/PhysXExtensions/src/ExtCpuWorkerThread.cpp

(limited to 'PhysX_3.4/Source/PhysXExtensions/src/ExtCpuWorkerThread.cpp')

diff --git a/PhysX_3.4/Source/PhysXExtensions/src/ExtCpuWorkerThread.cpp b/PhysX_3.4/Source/PhysXExtensions/src/ExtCpuWorkerThread.cpp
new file mode 100644
index 00000000..fb977c36
--- /dev/null
+++ b/PhysX_3.4/Source/PhysXExtensions/src/ExtCpuWorkerThread.cpp
@@ -0,0 +1,106 @@
+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 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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