Metal: Argument Buffer Pre-Pass (#38)

* Init

* Fix missing flags

* Cleanup

src/Ryujinx.Graphics.Metal/EncoderResources.cs

@@ -0,0 +1,63 @@
+using SharpMetal.Metal;
+using System.Collections.Generic;
+
+namespace Ryujinx.Graphics.Metal
+{
+    public struct RenderEncoderResources
+    {
+        public List<Resource> Resources = new();
+        public List<BufferResource> VertexBuffers = new();
+        public List<BufferResource> FragmentBuffers = new();
+
+        public RenderEncoderResources() { }
+
+        public void Clear()
+        {
+            Resources.Clear();
+            VertexBuffers.Clear();
+            FragmentBuffers.Clear();
+        }
+    }
+
+    public struct ComputeEncoderResources
+    {
+        public List<Resource> Resources = new();
+        public List<BufferResource> Buffers = new();
+
+        public ComputeEncoderResources() { }
+
+        public void Clear()
+        {
+            Resources.Clear();
+            Buffers.Clear();
+        }
+    }
+
+    public struct BufferResource
+    {
+        public MTLBuffer Buffer;
+        public ulong Offset;
+        public ulong Binding;
+
+        public BufferResource(MTLBuffer buffer, ulong offset, ulong binding)
+        {
+            Buffer = buffer;
+            Offset = offset;
+            Binding = binding;
+        }
+    }
+
+    public struct Resource
+    {
+        public MTLResource MtlResource;
+        public MTLResourceUsage ResourceUsage;
+        public MTLRenderStages Stages;
+
+        public Resource(MTLResource resource, MTLResourceUsage resourceUsage, MTLRenderStages stages)
+        {
+            MtlResource = resource;
+            ResourceUsage = resourceUsage;
+            Stages = stages;
+        }
+    }
+}