eaglView.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file eaglView.h
 * @author drose
 * @date 2009-04-10
 */

#include "pandabase.h"
#import <UIKit/UIKit.h>
#import <OpenGLES/EAGL.h>
#import <OpenGLES/ES1/gl.h>
#import <OpenGLES/ES1/glext.h>

class IPhoneGraphicsWindow;

/*
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 EAGLView : UIView {

@public
  IPhoneGraphicsWindow *_window;
@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;
}

- (void)presentView;

@end