From 0ab980bfe7de04b7386bcdd217d87e34012229e8 Mon Sep 17 00:00:00 2001
From: Thomas Altenburger <mister.helmut@gmail.com>
Date: Wed, 10 Feb 2016 17:55:47 +0100
Subject: [PATCH] Deactivate screensaver on SDL2

---
 Source/OpenTK/Platform/SDL2/Sdl2.cs             | 4 ++++
 Source/OpenTK/Platform/SDL2/Sdl2NativeWindow.cs | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/Source/OpenTK/Platform/SDL2/Sdl2.cs b/Source/OpenTK/Platform/SDL2/Sdl2.cs
index 4690e7d9..16f57663 100644
--- a/Source/OpenTK/Platform/SDL2/Sdl2.cs
+++ b/Source/OpenTK/Platform/SDL2/Sdl2.cs
@@ -294,6 +294,10 @@ namespace OpenTK.Platform.SDL2
         [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_HideWindow", ExactSpelling = true)]
         public static extern void HideWindow(IntPtr window);
 
+        [SuppressUnmanagedCodeSecurity]
+        [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_DisableScreenSaver", ExactSpelling = true)]
+        public static extern void DisableScreenSaver();
+
         [SuppressUnmanagedCodeSecurity]
         [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_Init", ExactSpelling = true)]
         public static extern int Init(SystemFlags flags);
diff --git a/Source/OpenTK/Platform/SDL2/Sdl2NativeWindow.cs b/Source/OpenTK/Platform/SDL2/Sdl2NativeWindow.cs
index 14bb2dc9..653a9835 100644
--- a/Source/OpenTK/Platform/SDL2/Sdl2NativeWindow.cs
+++ b/Source/OpenTK/Platform/SDL2/Sdl2NativeWindow.cs
@@ -75,6 +75,8 @@ namespace OpenTK.Platform.SDL2
         {
             lock (sync)
             {
+                SDL.DisableScreenSaver();
+
                 var bounds = device.Bounds;
                 var flags = TranslateFlags(options);
                 flags |= WindowFlags.OPENGL;