OpenEmu Plug-in: This frame buffer also needs to use masterCustomBuffer because it's running 18-bit color space.

desmume/src/frontend/cocoa/openemu/NDSGameCore.mm

@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2012-2017 DeSmuME team
+	Copyright (C) 2012-2021 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -264,7 +264,7 @@ volatile bool execute = true;
 
 - (const void *)getVideoBufferWithHint:(void *)hint
 {
-	return GPU->GetDisplayInfo().masterNativeBuffer16;
+	return GPU->GetDisplayInfo().masterCustomBuffer;
 }
 
 - (OEGameCoreRendering)gameCoreRendering