Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 131 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/PhysX/src/device/windows/PhysXIndicatorWindows.cpp b/PhysX_3.4/Source/PhysX/src/device/windows/PhysXIndicatorWindows.cpp
new file mode 100644
index 00000000..92d43f5a
--- /dev/null
+++ b/PhysX_3.4/Source/PhysX/src/device/windows/PhysXIndicatorWindows.cpp
@@ -0,0 +1,131 @@
+// 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 "PhysXIndicator.h"
+#include "nvPhysXtoDrv.h"
+
+#pragma warning (push)
+#pragma warning (disable : 4668) //'symbol' is not defined as a preprocessor macro, replacing with '0' for 'directives'
+#include <windows.h>
+#pragma warning (pop)
+
+#include <stdio.h>
+
+#if _MSC_VER >= 1800
+#include <VersionHelpers.h>
+#endif
+
+// Scope-based to indicate to NV driver that CPU PhysX is happening
+physx::PhysXIndicator::PhysXIndicator(bool isGpu) 
+: mPhysXDataPtr(0), mFileHandle(0), mIsGpu(isGpu)
+{
+    // Get the windows version (we can only create Global\\ namespace objects in XP)
+	/**
+		Operating system		Version number
+		----------------		--------------
+		Windows 7				6.1
+		Windows Server 2008 R2	6.1
+		Windows Server 2008		6.0
+		Windows Vista			6.0
+		Windows Server 2003 R2	5.2
+		Windows Server 2003		5.2
+		Windows XP				5.1
+		Windows 2000			5.0
+	**/
+	
+	char configName[128];
+
+#if _MSC_VER >= 1800
+	if (!IsWindowsVistaOrGreater())
+#else
+	OSVERSIONINFOEX windowsVersionInfo;
+	windowsVersionInfo.dwOSVersionInfoSize = sizeof (windowsVersionInfo);
+	GetVersionEx((LPOSVERSIONINFO)&windowsVersionInfo);
+	
+	if (windowsVersionInfo.dwMajorVersion < 6)
+#endif
+		NvPhysXToDrv_Build_SectionNameXP(GetCurrentProcessId(), configName);
+	else
+		NvPhysXToDrv_Build_SectionName(GetCurrentProcessId(), configName);
+	
+	mFileHandle = CreateFileMapping(INVALID_HANDLE_VALUE, NULL,
+		PAGE_READWRITE, 0, sizeof(NvPhysXToDrv_Data_V1), configName);
+
+	if (!mFileHandle || mFileHandle == INVALID_HANDLE_VALUE)
+		return;
+
+	bool alreadyExists = ERROR_ALREADY_EXISTS == GetLastError();
+
+	mPhysXDataPtr = (physx::NvPhysXToDrv_Data_V1*)MapViewOfFile(mFileHandle, 
+		FILE_MAP_READ|FILE_MAP_WRITE, 0, 0, sizeof(NvPhysXToDrv_Data_V1));
+
+	if(!mPhysXDataPtr)
+		return;
+
+	if (!alreadyExists)
+	{
+		mPhysXDataPtr->bCpuPhysicsPresent = 0;
+		mPhysXDataPtr->bGpuPhysicsPresent = 0;
+	}
+
+	updateCounter(1);
+
+	// init header last to prevent race conditions
+	// this must be done because the driver may have already created the shared memory block,
+	// thus alreadyExists may be true, even if PhysX hasn't been initialized
+	NvPhysXToDrv_Header_Init(mPhysXDataPtr->header);
+}
+
+physx::PhysXIndicator::~PhysXIndicator()
+{
+	if(mPhysXDataPtr)
+	{
+		updateCounter(-1);
+		UnmapViewOfFile(mPhysXDataPtr);
+	}
+
+	if(mFileHandle && mFileHandle != INVALID_HANDLE_VALUE)
+		CloseHandle(mFileHandle);
+}
+
+void physx::PhysXIndicator::setIsGpu(bool isGpu)
+{
+	if(!mPhysXDataPtr)
+		return;
+
+	updateCounter(-1);
+	mIsGpu = isGpu;
+	updateCounter(1);
+}
+
+PX_INLINE void physx::PhysXIndicator::updateCounter(int delta)
+{
+	(mIsGpu ? mPhysXDataPtr->bGpuPhysicsPresent 
+		: mPhysXDataPtr->bCpuPhysicsPresent) += delta;
+}