GPU (macOS): detect GPU driver version

src/detection/gpu/gpu_apple.c

@@ -7,6 +7,7 @@
 #include <IOKit/graphics/IOGraphicsLib.h>
 
 const char* ffGpuDetectMetal(FFlist* gpus);
+const char* ffGpuDetectDriverVersion(FFlist* gpus);
 
 static double detectGpuTemp(const FFstrbuf* gpuName)
 {
@@ -185,5 +186,7 @@ const char* ffDetectGPUImpl(const FFGPUOptions* options, FFlist* gpus)
     }
 
     ffGpuDetectMetal(gpus);
+    if (instance.config.general.detectVersion)
+        ffGpuDetectDriverVersion(gpus);
     return NULL;
 }

src/detection/gpu/gpu_apple.m

@@ -1,6 +1,7 @@
 #include "gpu.h"
 
 #import <Metal/MTLDevice.h>
+#import <IOKit/kext/KextManager.h>
 
 #ifndef MAC_OS_VERSION_13_0
     #define MTLGPUFamilyMetal3 ((MTLGPUFamily) 5001)
@@ -10,6 +11,28 @@
     #define MTLFeatureSet_macOS_GPUFamily2_v1 ((MTLFeatureSet) 10005)
 #endif
 
+const char* ffGpuDetectDriverVersion(FFlist* gpus)
+{
+    if (@available(macOS 10.7, *))
+    {
+        NSMutableArray* arr = NSMutableArray.new;
+        FF_LIST_FOR_EACH(FFGPUResult, x, *gpus)
+            [arr addObject:@(x->driver.chars)];
+
+        NSDictionary* dict = CFBridgingRelease(KextManagerCopyLoadedKextInfo((__bridge CFArrayRef)arr, (__bridge CFArrayRef)@[@"CFBundleVersion"]));
+        FF_LIST_FOR_EACH(FFGPUResult, x, *gpus)
+        {
+            NSString* version = dict[@(x->driver.chars)][@"CFBundleVersion"];
+            if (version)
+            {
+                ffStrbufAppendC(&x->driver, ' ');
+                ffStrbufAppendS(&x->driver, version.UTF8String);
+            }
+        }
+    }
+    return "Unsupported macOS version";
+}
+
 const char* ffGpuDetectMetal(FFlist* gpus)
 {
     if (@available(macOS 10.13, *))