src/video/uikit/SDL_uikitopenglview.h
author Holmes Futrell <hfutrell@umail.ucsb.edu>
Sat, 16 Aug 2008 00:19:07 +0000
branchgsoc2008_iphone
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/*
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 SDL - Simple DirectMedia Layer
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 Copyright (C) 1997-2006 Sam Lantinga
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 This library is free software; you can redistribute it and/or
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 modify it under the terms of the GNU Lesser General Public
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 License as published by the Free Software Foundation; either
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 version 2.1 of the License, or (at your option) any later version.
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 This library is distributed in the hope that it will be useful,
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 but WITHOUT ANY WARRANTY; without even the implied warranty of
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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 Lesser General Public License for more details.
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 You should have received a copy of the GNU Lesser General Public
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 License along with this library; if not, write to the Free Software
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 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 Sam Lantinga
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 slouken@libsdl.org
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 */
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#import <UIKit/UIKit.h>
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#import <OpenGLES/EAGL.h>
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#import <OpenGLES/ES1/gl.h>
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#import <OpenGLES/ES1/glext.h>
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#import "SDL_uikitview.h"
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/*
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	This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass.
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	The view content is basically an EAGL surface you render your OpenGL scene into.
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	Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel.
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 */
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@interface SDL_uikitopenglview : SDL_uikitview {
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@private
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	/* The pixel dimensions of the backbuffer */
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	GLint backingWidth;
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	GLint backingHeight;
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	EAGLContext *context;
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	/* OpenGL names for the renderbuffer and framebuffers used to render to this view */
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	GLuint viewRenderbuffer, viewFramebuffer;
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	/* OpenGL name for the depth buffer that is attached to viewFramebuffer, if it exists (0 if it does not exist) */
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	GLuint depthRenderbuffer;
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}
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@property (nonatomic, retain, readonly) EAGLContext *context;
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- (void)swapBuffers;
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- (void)setCurrentContext;
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- (id)initWithFrame:(CGRect)frame
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	retainBacking:(BOOL)retained \
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	rBits:(int)rBits \
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	gBits:(int)gBits \
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	bBits:(int)bBits \
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	aBits:(int)aBits \
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	depthBits:(int)depthBits;
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@end