up to date with 08126b26b1

src/Ryujinx.Graphics.Metal/StringHelper.cs

@@ -0,0 +1,30 @@
+using SharpMetal.Foundation;
+using SharpMetal.ObjectiveCCore;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.Graphics.Metal
+{
+    [SupportedOSPlatform("macos")]
+    public class StringHelper
+    {
+        public static NSString NSString(string source)
+        {
+            return new(ObjectiveC.IntPtr_objc_msgSend(new ObjectiveCClass("NSString"), "stringWithUTF8String:", source));
+        }
+
+        public static unsafe string String(NSString source)
+        {
+            char[] sourceBuffer = new char[source.Length];
+            fixed (char* pSourceBuffer = sourceBuffer)
+            {
+                ObjectiveC.bool_objc_msgSend(source,
+                    "getCString:maxLength:encoding:",
+                    pSourceBuffer,
+                    source.MaximumLengthOfBytes(NSStringEncoding.UTF16) + 1,
+                    (ulong)NSStringEncoding.UTF16);
+            }
+
+            return new string(sourceBuffer);
+        }
+    }
+}