The DOOM Classic for iPhone 1.0 source as released on November 3, 2009

code/iphone/EAGLView.h

@@ -0,0 +1,48 @@
+/*
+ 
+ Copyright (C) 2009 Id Software, Inc.
+ 
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+ 
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ 
+ */
+
+
+#import <UIKit/UIKit.h>
+#import <OpenGLES/EAGL.h>
+#import <OpenGLES/ES1/gl.h>
+#import <OpenGLES/ES1/glext.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 EAGLView : UIView <UITextFieldDelegate> {
+@public
+	UITextField *textField;
+    
+@private
+    /* The pixel dimensions of the backbuffer */
+    GLint backingWidth;
+    GLint backingHeight;
+    
+    /* 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;    
+}
+
+@end