Spoof Counters

src/Ryujinx.Graphics.Metal/CounterEvent.cs

@@ -0,0 +1,23 @@
+using Ryujinx.Graphics.GAL;
+
+namespace Ryujinx.Graphics.Metal
+{
+    public class CounterEvent : ICounterEvent
+    {
+
+        public CounterEvent()
+        {
+            Invalid = false;
+        }
+
+        public bool Invalid { get; set; }
+        public bool ReserveForHostAccess()
+        {
+            return true;
+        }
+
+        public void Flush() { }
+
+        public void Dispose() { }
+    }
+}

src/Ryujinx.Graphics.Metal/MetalRenderer.cs

@@ -213,7 +213,9 @@ namespace Ryujinx.Graphics.Metal
         public ICounterEvent ReportCounter(CounterType type, EventHandler<ulong> resultHandler, float divisor, bool hostReserved)
         {
             // https://developer.apple.com/documentation/metal/gpu_counters_and_counter_sample_buffers/creating_a_counter_sample_buffer_to_store_a_gpu_s_counter_data_during_a_pass?language=objc
-            throw new NotImplementedException();
+            var counterEvent = new CounterEvent();
+            resultHandler?.Invoke(counterEvent, type == CounterType.SamplesPassed ? (ulong)1 : 0);
+            return counterEvent;
         }
 
         public void ResetCounter(CounterType type)