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diff --git a/LibOVR/Src/Util/Util_SystemInfo_OSX.mm b/LibOVR/Src/Util/Util_SystemInfo_OSX.mm
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+	/************************************************************************************
+
+ 
+
+ Filename    :   Util_SystemInfo_OSX.mm
+
+ Content     :   Various operations to get information about the mac system
+
+ Created     :   October 2, 2014
+
+ 
+
+ Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
+
+ 
+
+ Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+
+ you may not use the Oculus VR Rift SDK except in compliance with the License,
+
+ which is provided at the time of installation or download, or which
+
+ otherwise accompanies this software in either electronic or hard copy form.
+
+ 
+
+ You may obtain a copy of the License at
+
+ 
+
+ http://www.oculusvr.com/licenses/LICENSE-3.2
+
+ 
+
+ Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+
+ distributed under the License is distributed on an "AS IS" BASIS,
+
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+
+ See the License for the specific language governing permissions and
+
+ limitations under the License.
+
+ 
+
+ ************************************************************************************/
+
+
+
+#include "Util_SystemInfo.h"
+
+
+
+#include <Cocoa/Cocoa.h>
+
+
+
+#include <sys/sysctl.h>
+
+#include <sys/types.h>
+
+
+
+#include "../Kernel/OVR_String.h"
+
+#include "../Kernel/OVR_System.h"
+
+
+
+using namespace OVR;
+
+namespace OVR { namespace Util {
+
+
+
+//from http://opensource.apple.com/source/CF/CF-744/CFUtilities.c
+
+OVR::String OSVersionAsString(){
+
+
+
+    NSDictionary *systemVersionDictionary =
+
+    [NSDictionary dictionaryWithContentsOfFile:
+
+     @"/System/Library/CoreServices/SystemVersion.plist"];
+
+    
+
+    NSString *systemVersion =
+
+    [systemVersionDictionary objectForKey:@"ProductVersion"];
+
+    return OVR::String([systemVersion UTF8String]);
+
+}
+
+
+
+    
+
+//from http://www.starcoder.com/wordpress/2011/10/using-iokit-to-detect-graphics-hardware/
+
+void GetGraphicsCardList(Array< String > &gpus)
+
+{
+
+    // Check the PCI devices for video cards.
+
+    CFMutableDictionaryRef match_dictionary = IOServiceMatching("IOPCIDevice");
+
+    
+
+    // Create a iterator to go through the found devices.
+
+    io_iterator_t entry_iterator;
+
+    
+
+    if (IOServiceGetMatchingServices(kIOMasterPortDefault,
+
+                                     match_dictionary,
+
+                                     &entry_iterator) == kIOReturnSuccess)
+
+    {
+
+        // Actually iterate through the found devices.
+
+        io_registry_entry_t serviceObject;
+
+        while ((serviceObject = IOIteratorNext(entry_iterator)))
+
+        {
+
+            // Put this services object into a dictionary object.
+
+            CFMutableDictionaryRef serviceDictionary;
+
+            if (IORegistryEntryCreateCFProperties(serviceObject,
+
+                                                  &serviceDictionary,
+
+                                                  kCFAllocatorDefault,
+
+                                                  kNilOptions) != kIOReturnSuccess)
+
+            {
+
+                // Failed to create a service dictionary, release and go on.
+
+                IOObjectRelease(serviceObject);
+
+                continue;
+
+            }	
+
+            
+
+            // 		
+
+            // that points to a CFDataRef.
+
+            const void *modelarr = CFDictionaryGetValue(serviceDictionary, CFSTR("model"));
+
+            if (modelarr != nil) {
+
+                if(CFGetTypeID(modelarr) == CFDataGetTypeID())
+
+                {
+
+                    NSData *data = (__bridge NSData*)(CFDataRef)modelarr;
+
+                    NSString *s = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+
+                    gpus.PushBack([s UTF8String]);
+
+                }
+
+            }
+
+            
+
+            // Release the dictionary created by IORegistryEntryCreateCFProperties.
+
+            CFRelease(serviceDictionary);
+
+            
+
+            // Release the serviceObject returned by IOIteratorNext.
+
+            IOObjectRelease(serviceObject);
+
+        }
+
+        
+
+        // Release the entry_iterator created by IOServiceGetMatchingServices.
+
+        IOObjectRelease(entry_iterator);
+
+    }
+
+}
+
+    
+
+} } // namespace OVR { namespace Util {
+
+
+