src/java.desktop/macosx/native/libawt_lwawt/awt/CGraphicsDevice.m

@@ -24,10 +24,12 @@
  */
 
 #import "LWCToolkit.h"
 #import "ThreadUtilities.h"
 #include "GeomUtilities.h"
+#import <Metal/Metal.h>
+#import <MetalKit/MetalKit.h>
 
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 
 /**
  * Some default values for invalid CoreGraphics display ID.