From 48621907a263f3565b843506fd5c8b7d3b771384 Mon Sep 17 00:00:00 2001
From: Ethan Lee <flibitijibibo@gmail.com>
Date: Tue, 2 Oct 2018 14:17:07 -0400
Subject: [PATCH] SDL_system.h

---
 src/SDL2.cs | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)

diff --git a/src/SDL2.cs b/src/SDL2.cs
index 147236b..6a901bd 100644
--- a/src/SDL2.cs
+++ b/src/SDL2.cs
@@ -6337,6 +6337,104 @@ namespace SDL2
 
 		#endregion
 
+		#region SDL_system.h
+
+		/* Windows */
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate IntPtr SDL_WindowsMessageHook(
+			IntPtr userdata,
+			IntPtr hWnd,
+			uint message,
+			ulong wParam,
+			long lParam
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void SDL_SetWindowsMessageHook(
+			SDL_WindowsMessageHook callback,
+			IntPtr userdata
+		);
+
+		/* iOS */
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void SDL_iPhoneAnimationCallback(IntPtr p);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_iPhoneSetAnimationCallback(
+			IntPtr window, /* SDL_Window* */
+			int interval,
+			SDL_iPhoneAnimationCallback callback,
+			IntPtr callbackParam
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void SDL_iPhoneSetEventPump(SDL_bool enabled);
+
+		/* Android */
+
+		public const int SDL_ANDROID_EXTERNAL_STORAGE_READ = 0x01;
+		public const int SDL_ANDROID_EXTERNAL_STORAGE_WRITE = 0x02;
+
+		/* IntPtr refers to a JNIEnv* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr SDL_AndroidGetJNIEnv();
+
+		/* IntPtr refers to a jobject */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr SDL_AndroidGetActivity();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern SDL_bool SDL_IsAndroidTV();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern SDL_bool SDL_IsChromebook();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern SDL_bool SDL_IsDeXMode();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void SDL_AndroidBackButton();
+
+		[DllImport(nativeLibName, EntryPoint = "SDL_AndroidGetInternalStoragePath", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_SDL_AndroidGetInternalStoragePath();
+
+		public static string SDL_AndroidGetInternalStoragePath()
+		{
+			return UTF8_ToManaged(
+				INTERNAL_SDL_AndroidGetInternalStoragePath()
+			);
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_AndroidGetExternalStorageState();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_SDL_AndroidGetExternalStoragePath();
+
+		public static string SDL_AndroidGetExternalStoragePath()
+		{
+			return UTF8_ToManaged(
+				INTERNAL_SDL_AndroidGetExternalStoragePath()
+			);
+		}
+
+		/* WinRT */
+
+		public enum SDL_WinRT_DeviceFamily
+		{
+			SDL_WINRT_DEVICEFAMILY_UNKNOWN,
+			SDL_WINRT_DEVICEFAMILY_DESKTOP,
+			SDL_WINRT_DEVICEFAMILY_MOBILE,
+			SDL_WINRT_DEVICEFAMILY_XBOX
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern SDL_WinRT_DeviceFamily SDL_WinRTGetDeviceFamily();
+
+		#endregion
+
 		#region SDL_syswm.h
 
 		public enum SDL_SYSWM_TYPE