some initial metal commits cherry-picked

src/Ryujinx.Graphics.Metal/Sampler.cs

@@ -0,0 +1,19 @@
+using Ryujinx.Graphics.GAL;
+using SharpMetal.Metal;
+
+namespace Ryujinx.Graphics.Metal
+{
+    public class Sampler : ISampler
+    {
+        private MTLSamplerState _mtlSamplerState;
+
+        public Sampler(MTLSamplerState mtlSamplerState)
+        {
+            _mtlSamplerState = mtlSamplerState;
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}