Some debug improvements

src/Ryujinx.Graphics.Metal/CommandBufferPool.cs

@@ -35,7 +35,12 @@ namespace Ryujinx.Graphics.Metal
 
             public void Use(MTLCommandQueue queue, IEncoderFactory stateManager)
             {
-                CommandBuffer = queue.CommandBuffer();
+                MTLCommandBufferDescriptor descriptor = new();
+#if DEBUG
+                descriptor.ErrorOptions = MTLCommandBufferErrorOption.EncoderExecutionStatus;
+#endif
+
+                CommandBuffer = queue.CommandBuffer(descriptor);
                 Fence = new FenceHolder(CommandBuffer);
 
                 Encoders.Initialize(CommandBuffer, stateManager);

src/Ryujinx.Graphics.Metal/EnumConversion.cs

@@ -137,7 +137,6 @@ namespace Ryujinx.Graphics.Metal
             };
         }
 
-        // TODO: Metal does not have native support for Triangle Fans but it is possible to emulate with TriangleStrip and moving around the indices
         public static MTLPrimitiveType Convert(this PrimitiveTopology topology)
         {
             return topology switch

src/Ryujinx.Graphics.Shader/CodeGen/Msl/Declarations.cs

@@ -59,6 +59,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Msl
 
         public static void Declare(CodeGenContext context, StructuredProgramInfo info)
         {
+            // TODO: Re-enable this warning
+            context.AppendLine("#pragma clang diagnostic ignored \"-Wunused-variable\"");
+            context.AppendLine();
             context.AppendLine("#include <metal_stdlib>");
             context.AppendLine("#include <simd/simd.h>");
             context.AppendLine();