From 4104af65a3db65dd3771f7d98d15f0c837708287 Mon Sep 17 00:00:00 2001
From: Isaac Marovitz <isaacryu@icloud.com>
Date: Fri, 28 Jul 2023 11:59:07 -0400
Subject: [PATCH] BufferAccess

---
 src/Ryujinx.Graphics.Metal/MetalRenderer.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Ryujinx.Graphics.Metal/MetalRenderer.cs b/src/Ryujinx.Graphics.Metal/MetalRenderer.cs
index 1c4db1a01c..787f01c6e2 100644
--- a/src/Ryujinx.Graphics.Metal/MetalRenderer.cs
+++ b/src/Ryujinx.Graphics.Metal/MetalRenderer.cs
@@ -54,6 +54,12 @@ namespace Ryujinx.Graphics.Metal
         public BufferHandle CreateBuffer(int size, BufferAccess access)
         {
             var buffer = _device.NewBuffer((ulong)size, MTLResourceOptions.ResourceStorageModeShared);
+
+            if (access == BufferAccess.FlushPersistent)
+            {
+                buffer.SetPurgeableState(MTLPurgeableState.NonVolatile);
+            }
+
             var bufferPtr = buffer.NativePtr;
             return Unsafe.As<IntPtr, BufferHandle>(ref bufferPtr);
         }