Headless

Index: MonoGame.Framework/Game.cs
===================================================================
--- MonoGame.Framework/Game.cs	(revision 23517)
+++ MonoGame.Framework/Game.cs	(working copy)
@@ -176,6 +176,11 @@
             get { return _components; }
         }

+        public void SetHeadless(bool value)
+        {
+            Platform.Headless = value;
+        }
+
         public TimeSpan InactiveSleepTime
         {
             get { return _inactiveSleepTime; }
@@ -677,6 +682,13 @@
         internal void DoInitialize()
         {
             AssertNotDisposed();
+
+            if (Platform.Headless)
+            {
+                Initialize();
+                return;
+            }
+
             Platform.BeforeInitialize();
             Initialize();

Index: MonoGame.Framework/GamePlatform.cs
===================================================================
--- MonoGame.Framework/GamePlatform.cs	(revision 23517)
+++ MonoGame.Framework/GamePlatform.cs	(working copy)
@@ -54,6 +54,8 @@
             get; private set;
         }

+        internal bool Headless = false;
+
         private bool _isActive;
         public bool IsActive
         {
Index: MonoGame.Framework/SDL/SDLGamePlatform.cs
===================================================================
--- MonoGame.Framework/SDL/SDLGamePlatform.cs	(revision 23517)
+++ MonoGame.Framework/SDL/SDLGamePlatform.cs	(working copy)
@@ -99,7 +99,10 @@

         public override void RunLoop()
         {
-            Sdl.Window.Show(Window.Handle);
+            if (!Headless)
+            {
+                Sdl.Window.Show(Window.Handle);
+            }

             while (true)
             {