Added Mir video target (thanks, Brandon!).

src/video/mir/SDL_mirframebuffer.h

@@ -0,0 +1,46 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/*
+  Contributed by Brandon Schaefer, <brandon.schaefer@canonical.com>
+*/
+
+#include "SDL_config.h"
+
+#ifndef _SDL_mirframebuffer_h
+#define _SDL_mirframebuffer_h
+
+#include "../SDL_sysvideo.h"
+
+#include "SDL_mirvideo.h"
+
+extern int
+MIR_CreateWindowFramebuffer(_THIS, SDL_Window* sdl_window, Uint32* format,
+                            void** pixels, int* pitch);
+
+extern int
+MIR_UpdateWindowFramebuffer(_THIS, SDL_Window* sdl_window,
+                            const SDL_Rect* rects, int numrects);
+
+extern void
+MIR_DestroyWindowFramebuffer(_THIS, SDL_Window* sdl_window);
+
+#endif /* _SDL_mirframebuffer_h */