From eaed76f4dcc60022b3f10997fb34eb8ead9ae7d7 Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Wed, 28 Sep 2022 16:51:52 -0700
Subject: [PATCH] initial refresh backend selection API support

---
 src/Refresh.cs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/Refresh.cs b/src/Refresh.cs
index ef0a9e2..ae93551 100644
--- a/src/Refresh.cs
+++ b/src/Refresh.cs
@@ -315,6 +315,14 @@ namespace RefreshCS
 			IntOpaqueWhite
 		}
 
+		public enum Backend
+		{
+			DontCare,
+			Vulkan,
+			PS5,
+			Invalid
+		}
+
 		/* Native Structures */
 
 		[StructLayout(LayoutKind.Sequential)]
@@ -585,6 +593,12 @@ namespace RefreshCS
 
 		/* Init/Quit */
 
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern Backend Refresh_SelectBackend(
+			Backend preferredBackend,
+			out uint flags
+		);
+
 		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
 		public static extern IntPtr Refresh_CreateDevice(
 			in PresentationParameters presentationParameters,