Added files

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Typescript v1 declaration files
+typings/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+
+# MacOS Nonsense
+.DS_Store
+
+
+#
+# Ignores for FNA-Template
+#
+# Ignore the libs directory (user will add it themselves), including legacy casing
+#FNALibs
+#fnalibs
+# Ignore fxc.exe (it may be added to the build/tools directory)
+fxc.exe

.gitmodules

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+[submodule "FNA"]
+	path = FNA
+	url = https://github.com/FNA-XNA/FNA.git
+[submodule "fnalibs"]
+	path = fnalibs
+	url = https://github.com/butter-cat-games/fnalibs.git

FNA

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+Subproject commit c2e42d79681ec092ee2c3212dba0c1ee7397bbc2

fnalibs

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+Subproject commit 2bd05e9371746ad78f03d27c4b2b3d4954d46504

mobile-eggbert-fna.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mobile-eggbert-fna", "mobile-eggbert-fna\mobile-eggbert-fna.csproj", "{6A193885-A483-41B9-992C-DDE66442A6F4}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6A193885-A483-41B9-992C-DDE66442A6F4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6A193885-A483-41B9-992C-DDE66442A6F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6A193885-A483-41B9-992C-DDE66442A6F4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6A193885-A483-41B9-992C-DDE66442A6F4}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

mobile-eggbert-fna/FNADllMap.config

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+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+	<dllmap dll="SDL3" os="windows" target="SDL3.dll"/>
+	<dllmap dll="SDL3" os="osx" target="libSDL3.0.dylib"/>
+	<dllmap dll="SDL3" os="linux,freebsd,netbsd" target="libSDL3.so.0"/>
+
+	<dllmap dll="FNA3D" os="windows" target="FNA3D.dll"/>
+	<dllmap dll="FNA3D" os="osx" target="libFNA3D.0.dylib"/>
+	<dllmap dll="FNA3D" os="linux,freebsd,netbsd" target="libFNA3D.so.0"/>
+
+	<dllmap dll="FAudio" os="windows" target="FAudio.dll"/>
+	<dllmap dll="FAudio" os="osx" target="libFAudio.0.dylib"/>
+	<dllmap dll="FAudio" os="linux,freebsd,netbsd" target="libFAudio.so.0"/>
+
+	<!-- Deprecated! -->
+	<dllmap dll="SDL2" os="windows" target="SDL2.dll"/>
+	<dllmap dll="SDL2" os="osx" target="libSDL2-2.0.0.dylib"/>
+	<dllmap dll="SDL2" os="linux,freebsd,netbsd" target="libSDL2-2.0.so.0"/>
+</configuration>

mobile-eggbert-fna/FNADllMap.cs

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+#region License
+/* FNA - XNA4 Reimplementation for Desktop Platforms
+ * Copyright 2009-2024 Ethan Lee and the MonoGame Team
+ *
+ * Released under the Microsoft Public License.
+ * See LICENSE for details.
+ */
+#endregion
+
+#if NET7_0_OR_GREATER
+
+#region Using Statements
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using System.Xml;
+#endregion
+
+namespace Microsoft.Xna.Framework
+{
+	internal static class FNADllMap
+	{
+		#region Private Static Variables
+
+		private static Dictionary<string, string> mapDictionary
+			= new Dictionary<string, string>();
+
+		#endregion
+
+		#region Private Static Methods
+
+		private static string GetPlatformName()
+		{
+			if (OperatingSystem.IsWindows())
+			{
+				return "windows";
+			}
+			else if (OperatingSystem.IsMacOS())
+			{
+				return  "osx";
+			}
+			else if (OperatingSystem.IsLinux())
+			{
+				return "linux";
+			}
+			else if (OperatingSystem.IsFreeBSD())
+			{
+				return "freebsd";
+			}
+			else
+			{
+				// What is this platform??
+				return "unknown";
+			}
+		}
+
+		#endregion
+
+		#region DllImportResolver Callback Methods
+
+		private static IntPtr MapAndLoad(
+			string libraryName,
+			Assembly assembly,
+			DllImportSearchPath? dllImportSearchPath
+		) {
+			string mappedName;
+			if (!mapDictionary.TryGetValue(libraryName, out mappedName))
+			{
+				mappedName = libraryName;
+			}
+
+			return NativeLibrary.Load(mappedName, assembly, dllImportSearchPath);
+		}
+
+		private static IntPtr LoadStaticLibrary(
+			string libraryName,
+			Assembly assembly,
+			DllImportSearchPath? dllImportSearchPath
+		) {
+			return NativeLibrary.GetMainProgramHandle();
+		}
+
+		#endregion
+
+		#region Module Initializer
+
+		[ModuleInitializer]
+		public static void Init()
+		{
+			if (!RuntimeFeature.IsDynamicCodeCompiled)
+			{
+				/* NativeAOT platforms don't perform dynamic loading,
+				 * so setting a DllImportResolver is unnecessary.
+				 *
+				 * However, iOS and tvOS with Mono AOT statically link
+				 * their dependencies, so we need special handling for them.
+				 */
+				if (OperatingSystem.IsIOS() || OperatingSystem.IsTvOS())
+				{
+					NativeLibrary.SetDllImportResolver(Assembly.GetExecutingAssembly(), LoadStaticLibrary);
+				}
+
+				return;
+			}
+
+			// Get the platform and architecture
+			string os = GetPlatformName();
+			string cpu = RuntimeInformation.ProcessArchitecture.ToString().ToLowerInvariant();
+			string wordsize = (IntPtr.Size * 8).ToString();
+
+			// Get the executing assembly
+			Assembly assembly = Assembly.GetExecutingAssembly();
+
+			// Locate the config file
+			string xmlPath = Path.Combine(
+				AppContext.BaseDirectory,
+				assembly.GetName().Name + ".dll.config"
+			);
+			if (!File.Exists(xmlPath))
+			{
+				// Let's hope for the best...
+				return;
+			}
+
+			// Load the XML
+			XmlDocument xmlDoc = new XmlDocument();
+			xmlDoc.Load(xmlPath);
+
+			// The NativeLibrary API cannot remap function names. :(
+			if (xmlDoc.GetElementsByTagName("dllentry").Count > 0)
+			{
+				string msg = "Function remapping is not supported by .NET Core. Ignoring dllentry elements...";
+				Console.WriteLine(msg);
+
+				// Log it in the debugger for non-console apps.
+				if (Debugger.IsAttached)
+				{
+					Debug.WriteLine(msg);
+				}
+			}
+
+			// Parse the XML into a mapping dictionary
+			foreach (XmlNode node in xmlDoc.GetElementsByTagName("dllmap"))
+			{
+				XmlAttribute attribute;
+
+				// Check the OS
+				attribute = node.Attributes["os"];
+				if (attribute != null)
+				{
+					bool containsOS = attribute.Value.Contains(os);
+					bool invert = attribute.Value.StartsWith("!");
+					if ((!containsOS && !invert) || (containsOS && invert))
+					{
+						continue;
+					}
+				}
+
+				// Check the CPU
+				attribute = node.Attributes["cpu"];
+				if (attribute != null)
+				{
+					bool containsCPU = attribute.Value.Contains(cpu);
+					bool invert = attribute.Value.StartsWith("!");
+					if ((!containsCPU && !invert) || (containsCPU && invert))
+					{
+						continue;
+					}
+				}
+
+				// Check the word size
+				attribute = node.Attributes["wordsize"];
+				if (attribute != null)
+				{
+					bool containsWordsize = attribute.Value.Contains(wordsize);
+					bool invert = attribute.Value.StartsWith("!");
+					if ((!containsWordsize && !invert) || (containsWordsize && invert))
+					{
+						continue;
+					}
+				}
+
+				// Check for the existence of 'dll' and 'target' attributes
+				XmlAttribute dllAttribute = node.Attributes["dll"];
+				XmlAttribute targetAttribute = node.Attributes["target"];
+				if (dllAttribute == null || targetAttribute == null)
+				{
+					continue;
+				}
+
+				// Get the actual library names
+				string oldLib = dllAttribute.Value;
+				string newLib = targetAttribute.Value;
+				if (string.IsNullOrWhiteSpace(oldLib) || string.IsNullOrWhiteSpace(newLib))
+				{
+					continue;
+				}
+
+				// Don't allow duplicates
+				if (mapDictionary.ContainsKey(oldLib))
+				{
+					continue;
+				}
+
+				mapDictionary.Add(oldLib, newLib);
+			}
+
+			// Set the resolver callback
+			NativeLibrary.SetDllImportResolver(assembly, MapAndLoad);
+		}
+
+		#endregion
+	}
+}
+
+#endif // NET7_0_OR_GREATER

mobile-eggbert-fna/Program.cs

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+Microsoft.Xna.Framework.FNADllMap.Init();
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");

mobile-eggbert-fna/mobile-eggbert-fna.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>mobile_eggbert_fna</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="FNADllMap.config">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+</ItemGroup>
+
+</Project>