Added a README file regarding WinRT support

To note, this file is currently formatted with CRLF line endings, rather than
LF, to allow the file to be viewed with Notepad.

src/video/uikit/SDL_uikitopenglview.h

@@ -0,0 +1,86 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 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.
+*/
+
+#import <UIKit/UIKit.h>
+#import <OpenGLES/EAGL.h>
+#import <OpenGLES/ES1/gl.h>
+#import <OpenGLES/ES1/glext.h>
+#import "SDL_uikitview.h"
+/*
+    This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass.
+    The view content is basically an EAGL surface you render your OpenGL scene into.
+    Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel.
+ */
+@interface SDL_uikitopenglview : SDL_uikitview {
+
+@private
+    /* The pixel dimensions of the backbuffer */
+    GLint backingWidth;
+    GLint backingHeight;
+
+    EAGLContext *context;
+
+    /* OpenGL names for the renderbuffer and framebuffers used to render to this view */
+    GLuint viewRenderbuffer, viewFramebuffer;
+
+    /* OpenGL name for the depth buffer that is attached to viewFramebuffer, if it exists (0 if it does not exist) */
+    GLuint depthRenderbuffer;
+
+    /* format of depthRenderbuffer */
+    GLenum depthBufferFormat;
+
+    id displayLink;
+    int animationInterval;
+    void (*animationCallback)(void*);
+    void *animationCallbackParam;
+}
+
+@property (nonatomic, retain, readonly) EAGLContext *context;
+
+- (void)swapBuffers;
+- (void)setCurrentContext;
+
+- (id)initWithFrame:(CGRect)frame
+    scale:(CGFloat)scale
+    retainBacking:(BOOL)retained
+    rBits:(int)rBits
+    gBits:(int)gBits
+    bBits:(int)bBits
+    aBits:(int)aBits
+    depthBits:(int)depthBits
+    stencilBits:(int)stencilBits
+    majorVersion:(int)majorVersion
+    shareGroup:(EAGLSharegroup*)shareGroup;
+
+- (void)updateFrame;
+
+- (void)setAnimationCallback:(int)interval
+    callback:(void (*)(void*))callback
+    callbackParam:(void*)callbackParam;
+
+- (void)startAnimation;
+- (void)stopAnimation;
+
+- (void)doLoop:(id)sender;
+
+@end
+
+/* vi: set ts=4 sw=4 expandtab: */