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]
---
 .../src/windows/CmWindowsModuleUpdateLoader.cpp    | 130 +++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 PhysX_3.4/Source/Common/src/windows/CmWindowsModuleUpdateLoader.cpp

(limited to 'PhysX_3.4/Source/Common/src/windows/CmWindowsModuleUpdateLoader.cpp')

diff --git a/PhysX_3.4/Source/Common/src/windows/CmWindowsModuleUpdateLoader.cpp b/PhysX_3.4/Source/Common/src/windows/CmWindowsModuleUpdateLoader.cpp
new file mode 100644
index 00000000..6ff93bc4
--- /dev/null
+++ b/PhysX_3.4/Source/Common/src/windows/CmWindowsModuleUpdateLoader.cpp
@@ -0,0 +1,130 @@
+// 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 "PsFoundation.h"
+
+#ifdef SUPPORT_UPDATE_LOADER_LOGGING
+#if PX_X86
+#define NX_USE_SDK_DLLS
+#include "PhysXUpdateLoader.h"
+#endif
+#endif /* SUPPORT_UPDATE_LOADER_LOGGING */
+
+#include "windows/CmWindowsModuleUpdateLoader.h"
+#include "windows/CmWindowsLoadLibrary.h"
+
+
+namespace physx { namespace Cm {
+
+#if PX_VC
+#pragma warning(disable: 4191)	//'operator/operation' : unsafe conversion from 'type of expression' to 'type required'
+#endif
+
+
+typedef HMODULE (*GetUpdatedModule_FUNC)(const char*, const char*);
+
+#ifdef SUPPORT_UPDATE_LOADER_LOGGING
+#if PX_X86
+typedef void (*setLogging_FUNC)(PXUL_ErrorCode, pt2LogFunc);
+
+static void LogMessage(PXUL_ErrorCode messageType, char* message)
+{
+	switch(messageType)
+	{
+	case PXUL_ERROR_MESSAGES:
+		getFoundation().error(PxErrorCode::eINTERNAL_ERROR, __FILE__, __LINE__, 
+			"PhysX Update Loader Error: %s.", message);
+		break;
+	case PXUL_WARNING_MESSAGES:
+		getFoundation().error(PX_WARN, "PhysX Update Loader Warning: %s.", message);
+		break;
+	case PXUL_INFO_MESSAGES:
+		getFoundation().error(PX_INFO, "PhysX Update Loader Information: %s.", message);
+		break;
+	default:
+		getFoundation().error(PxErrorCode::eINTERNAL_ERROR, __FILE__, __LINE__,
+			"Unknown message type from update loader.");
+		break;
+	}
+}
+#endif
+#endif /* SUPPORT_UPDATE_LOADER_LOGGING */
+
+CmModuleUpdateLoader::CmModuleUpdateLoader(const char* updateLoaderDllName)
+	: mGetUpdatedModuleFunc(NULL)
+{
+	mUpdateLoaderDllHandle = loadLibrary(updateLoaderDllName);
+
+	if (mUpdateLoaderDllHandle != NULL)
+	{
+		mGetUpdatedModuleFunc = GetProcAddress(mUpdateLoaderDllHandle, "GetUpdatedModule");
+
+#ifdef SUPPORT_UPDATE_LOADER_LOGGING
+#if PX_X86
+		setLogging_FUNC setLoggingFunc;
+		setLoggingFunc = (setLogging_FUNC)GetProcAddress(mUpdateLoaderDllHandle, "setLoggingFunction");
+		if(setLoggingFunc != NULL)		
+		{
+           setLoggingFunc(PXUL_ERROR_MESSAGES, LogMessage);
+        }
+#endif
+#endif /* SUPPORT_UPDATE_LOADER_LOGGING */
+	}
+}
+
+CmModuleUpdateLoader::~CmModuleUpdateLoader()
+{
+	if (mUpdateLoaderDllHandle != NULL)
+	{
+		FreeLibrary(mUpdateLoaderDllHandle);
+		mUpdateLoaderDllHandle = NULL;
+	}
+}
+
+HMODULE CmModuleUpdateLoader::LoadModule(const char* moduleName, const char* appGUID)
+{
+	HMODULE result = NULL;
+
+	if (mGetUpdatedModuleFunc != NULL)
+	{
+		// Try to get the module through PhysXUpdateLoader
+		GetUpdatedModule_FUNC getUpdatedModuleFunc = (GetUpdatedModule_FUNC)mGetUpdatedModuleFunc;
+		result = getUpdatedModuleFunc(moduleName, appGUID);
+	}
+	else
+	{
+		// If no PhysXUpdateLoader, just load the DLL directly
+		result = loadLibrary(moduleName);
+	}
+
+	return result;
+}
+
+}; // end of namespace
+}; // end of namespace
-- 
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