From bde31fbe0722058e140dd9ec28b127ea7b80975c Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Thu, 7 Mar 2024 10:34:30 -0800
Subject: [PATCH] change graphics backend selection behavior

---
 MoonWorks.csproj                              |   1 -
 lib/RefreshCS                                 |   2 +-
 src/Game.cs                                   |   7 +++----
 src/Graphics/GraphicsDevice.cs                |  12 +++++++++---
 src/Graphics/RefreshEnums.cs                  |   1 -
 .../StockShaders/Binary/blit.frag.refresh     | Bin 1262 -> 1262 bytes
 .../Binary/fullscreen.vert.refresh            | Bin 2038 -> 2038 bytes
 .../Binary/text_msdf.frag.refresh             | Bin 4335 -> 4335 bytes
 .../Binary/text_transform.vert.refresh        | Bin 2642 -> 2642 bytes
 .../Binary/video_yuv2rgba.frag.refresh        | Bin 3034 -> 3034 bytes
 10 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/MoonWorks.csproj b/MoonWorks.csproj
index a1e1f4e..20fb35d 100644
--- a/MoonWorks.csproj
+++ b/MoonWorks.csproj
@@ -3,7 +3,6 @@
 	<PropertyGroup>
 		<TargetFramework>net8.0</TargetFramework>
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-		<LangVersion>11</LangVersion>
 	</PropertyGroup>
 
 	<PropertyGroup>
diff --git a/lib/RefreshCS b/lib/RefreshCS
index 859675d..55acf6e 160000
--- a/lib/RefreshCS
+++ b/lib/RefreshCS
@@ -1 +1 @@
-Subproject commit 859675dbab86e6eeda662ef9bdb0c688cce4cec3
+Subproject commit 55acf6ee1818b0801cffe7217ee07eb1f56016f6
diff --git a/src/Game.cs b/src/Game.cs
index cf1e133..1876814 100644
--- a/src/Game.cs
+++ b/src/Game.cs
@@ -53,11 +53,10 @@ namespace MoonWorks
 		public Game(
 			WindowCreateInfo windowCreateInfo,
 			FrameLimiterSettings frameLimiterSettings,
-			Backend backend = Backend.Vulkan,
+			Span<Backend> preferredBackends,
 			int targetTimestep = 60,
 			bool debugMode = false
-		)
-		{
+		) {
 			Logger.LogInfo("Initializing frame limiter...");
 			Timestep = TimeSpan.FromTicks(TimeSpan.TicksPerSecond / targetTimestep);
 			gameTimer = Stopwatch.StartNew();
@@ -83,7 +82,7 @@ namespace MoonWorks
 
 			Logger.LogInfo("Initializing graphics device...");
 			GraphicsDevice = new GraphicsDevice(
-				backend,
+				preferredBackends,
 				debugMode
 			);
 
diff --git a/src/Graphics/GraphicsDevice.cs b/src/Graphics/GraphicsDevice.cs
index cbe8d79..86eb6c5 100644
--- a/src/Graphics/GraphicsDevice.cs
+++ b/src/Graphics/GraphicsDevice.cs
@@ -40,11 +40,17 @@ namespace MoonWorks.Graphics
 		private FencePool FencePool;
 		private CommandBufferPool CommandBufferPool;
 
-		internal GraphicsDevice(
-			Backend preferredBackend,
+		internal unsafe GraphicsDevice(
+			Span<Backend> preferredBackends,
 			bool debugMode
 		) {
-			Backend = (Backend) Refresh.Refresh_SelectBackend((Refresh.Backend) preferredBackend, out windowFlags);
+			var backends = stackalloc Refresh.Backend[preferredBackends.Length];
+			for (var i = 0; i < preferredBackends.Length; i += 1)
+			{
+				backends[i] = (Refresh.Backend) preferredBackends[i];
+			}
+
+			Backend = (Backend) Refresh.Refresh_SelectBackend(backends, (uint) preferredBackends.Length, out windowFlags);
 
 			if (Backend == Backend.Invalid)
 			{
diff --git a/src/Graphics/RefreshEnums.cs b/src/Graphics/RefreshEnums.cs
index 2e1b9f8..56de211 100644
--- a/src/Graphics/RefreshEnums.cs
+++ b/src/Graphics/RefreshEnums.cs
@@ -311,7 +311,6 @@ namespace MoonWorks.Graphics
 
 	public enum Backend
 	{
-		DontCare,
 		Vulkan,
 		D3D11,
 		PS5,
diff --git a/src/Graphics/StockShaders/Binary/blit.frag.refresh b/src/Graphics/StockShaders/Binary/blit.frag.refresh
index a64dddb90d2da6cbed35983dc87e61b66d6e31c5..5ca4059570182e35b4b66268de37c45f598e4197 100644
GIT binary patch
delta 25
fcmaFI`Hqt_$Sv4|kpT!cayBqAGH&i-N?`&3SY-we

delta 25
gcmaFI`Hqt_$Sv4|k%57MaU*8~6C=~+E~XSF09bbh5dZ)H

diff --git a/src/Graphics/StockShaders/Binary/fullscreen.vert.refresh b/src/Graphics/StockShaders/Binary/fullscreen.vert.refresh
index 762caae8e41d3634bd49e08021b7e702e7684580..750264a8d25eb37fe6789d84cb2f83e19841d45c 100644
GIT binary patch
delta 25
ecmeyy|BatB$Sv4|0R%R3-e6&5-28||gc$%{*anXP

delta 25
fcmeyy|BatB$Sv4|0SFj3a^7HJWZL|QMT8juUg`#s

diff --git a/src/Graphics/StockShaders/Binary/text_msdf.frag.refresh b/src/Graphics/StockShaders/Binary/text_msdf.frag.refresh
index ad0a698599d78c80abc8ddf52395272bf5faa6ff..c28ff6c71e954c0cc6a5674593c837b01d573195 100644
GIT binary patch
delta 25
fcmaE__+F7S$Sv4|kpT!ca<*_WGH&kUN@N27U2g_j

delta 25
gcmaE__+F7S$Sv4|k%57MaU*977bDZ=KCVPI09}CwTmS$7

diff --git a/src/Graphics/StockShaders/Binary/text_transform.vert.refresh b/src/Graphics/StockShaders/Binary/text_transform.vert.refresh
index fd34e1b2fe5df7c189d24fd08d5d21cf8c85fec4..12c3a3e4a118f2705b9c3cea1551e3120e0a87e6 100644
GIT binary patch
delta 25
ecmca4a!G_U$Sv4|0R%R3eqm)~-29I<garUv_6E!V

delta 25
fcmca4a!G_U$Sv4|0SFj3a(-cDWZL|XHG~BKTL=cu

diff --git a/src/Graphics/StockShaders/Binary/video_yuv2rgba.frag.refresh b/src/Graphics/StockShaders/Binary/video_yuv2rgba.frag.refresh
index 1493276bb2b61c7587574e95a86de71e7e6fadd1..bde60ba49fa54af9ce36b174d358304ea59318e7 100644
GIT binary patch
delta 25
fcmca5eoLG)$Sv4|kpT!ca_(SbWZZm+O@b8wS(pYg

delta 25
gcmca5eoLG)$Sv4|k%57MaU<srHb$n+hu9=o0a>aBGynhq