From 2890fc1069303b7d529d00f356c7b4f02b61d05b Mon Sep 17 00:00:00 2001
From: Isaac Marovitz <isaacryu@icloud.com>
Date: Tue, 10 Oct 2023 19:02:38 -0400
Subject: [PATCH] Vertex buffer data

---
 src/Ryujinx.Graphics.Metal/Handle.cs   | 14 ++++++++++++++
 src/Ryujinx.Graphics.Metal/Pipeline.cs | 15 +++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 src/Ryujinx.Graphics.Metal/Handle.cs

diff --git a/src/Ryujinx.Graphics.Metal/Handle.cs b/src/Ryujinx.Graphics.Metal/Handle.cs
new file mode 100644
index 000000000..82f8dbd5b
--- /dev/null
+++ b/src/Ryujinx.Graphics.Metal/Handle.cs
@@ -0,0 +1,14 @@
+using Ryujinx.Graphics.GAL;
+using System;
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Graphics.Metal
+{
+    static class Handle
+    {
+        public static IntPtr ToIntPtr(this BufferHandle handle)
+        {
+            return Unsafe.As<BufferHandle, IntPtr>(ref handle);
+        }
+    }
+}
diff --git a/src/Ryujinx.Graphics.Metal/Pipeline.cs b/src/Ryujinx.Graphics.Metal/Pipeline.cs
index b71266c04..3a92d3435 100644
--- a/src/Ryujinx.Graphics.Metal/Pipeline.cs
+++ b/src/Ryujinx.Graphics.Metal/Pipeline.cs
@@ -27,6 +27,7 @@ namespace Ryujinx.Graphics.Metal
 
         private RenderEncoderState _renderEncoderState;
         private MTLVertexDescriptor _vertexDescriptor = new();
+        private MTLBuffer[] _vertexBuffers;
 
         private MTLBuffer _indexBuffer;
         private MTLIndexType _indexType;
@@ -120,6 +121,14 @@ namespace Ryujinx.Graphics.Metal
             var renderCommandEncoder = _commandBuffer.RenderCommandEncoder(descriptor);
             _renderEncoderState.SetEncoderState(renderCommandEncoder, _vertexDescriptor);
 
+            for (int i = 0; i < _vertexBuffers.Length; i++)
+            {
+                if (_vertexBuffers[i] != null)
+                {
+                    renderCommandEncoder.SetVertexBuffer(_vertexBuffers[i], 0, (ulong)i);
+                }
+            }
+
             _currentEncoder = renderCommandEncoder;
             return renderCommandEncoder;
         }
@@ -542,11 +551,17 @@ namespace Ryujinx.Graphics.Metal
 
         public void SetVertexBuffers(ReadOnlySpan<VertexBufferDescriptor> vertexBuffers)
         {
+            _vertexBuffers = new MTLBuffer[vertexBuffers.Length];
+
             for (int i = 0; i < vertexBuffers.Length; i++)
             {
                 if (vertexBuffers[i].Stride != 0)
                 {
                     _vertexDescriptor.Layouts.Object((ulong)i).Stride = (ulong)vertexBuffers[i].Stride;
+                    _vertexBuffers[i] = _device.NewBuffer(
+                        vertexBuffers[i].Buffer.Handle.ToIntPtr(),
+                        (ulong)vertexBuffers[i].Buffer.Size,
+                        MTLResourceOptions.ResourceStorageModeManaged);
                 }
             }
         }