detect gpu model for MacOS

Author: dorin-ga

CMakeLists.txt

@@ -190,6 +190,8 @@ elseif(APPLE)
         "-framework Foundation"
         "-framework CoreServices"
         "-framework SystemConfiguration"
+        "-framework Metal"
+        "-framework MetalKit"
     )
 
     create_source_groups(MACOS_SOURCES)

source/gameanalytics/Platform/GADeviceOSX.h

@@ -9,6 +9,7 @@ const char* getOSXVersion();
 const char* getConnectionType();
 int getNumCpuCores();
 int64_t getTotalDeviceMemory();
+const char* getGPUName();
 
 #endif
 

source/gameanalytics/Platform/GADeviceOSX.mm

@@ -16,6 +16,10 @@
 #import <SystemConfiguration/SystemConfiguration.h>
 #import <netinet/in.h>
 
+#import <IOKit/IOKitLib.h>
+
+#include <Metal/Metal.h>
+
 typedef struct {
     NSInteger majorVersion;
     NSInteger minorVersion;
@@ -103,4 +107,17 @@ int64_t getTotalDeviceMemory()
     return (uint64_t)info.physicalMemory;
 }
 
+const char* getGPUName()
+{
+    NSArray* devices = MTLCopyAllDevices();
+    if(devices && [devices count])
+    {
+        id device = devices[0];
+        NSString* name = [device name];
+        return [name UTF8String];
+    }
+    
+    return "";
+}
+
 #endif // IS_MAC

source/gameanalytics/Platform/GAMacOS.cpp

@@ -193,7 +193,12 @@ std::string gameanalytics::GAPlatformMacOS::getCpuModel() const
 
 std::string gameanalytics::GAPlatformMacOS::getGpuModel() const 
 {
-    return "Apple";
+    if(_gpuModel.empty())
+    {
+        _gpuModel = ::getGPUName();
+    }
+    
+    return _gpuModel;
 }
 
 int gameanalytics::GAPlatformMacOS::getNumCpuCores() const

source/gameanalytics/Platform/GAMacOS.h

@@ -38,6 +38,7 @@ namespace gameanalytics
 
 		private:
 
+            mutable std::string _gpuModel;
 			static void signalHandler(int sig, siginfo_t* info, void* context);
 	};
 }