SDL_uikitopenglview.h

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Author : Alex Szpakowski
Date : 2015-07-19 19:44:40
Hash : 6ea942da
Message : Added MSAA support for OpenGL ES contexts on iOS. Note that extra steps must be taken when using glReadPixels to read the contents of the main OpenGL ES framebuffer on iOS, if multisampling is used. See the OpenGL ES section of README-ios.md for details.

src/video/uikit/SDL_uikitopenglview.h

/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2015 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/ES3/gl.h>

#import "SDL_uikitview.h"
#include "SDL_uikitvideo.h"

@interface SDL_uikitopenglview : SDL_uikitview

- (instancetype)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
                         sRGB:(BOOL)sRGB
                 multisamples:(int)multisamples
                      context:(EAGLContext *)glcontext;

@property (nonatomic, readonly, weak) EAGLContext *context;

/* The width and height of the drawable in pixels (as opposed to points.) */
@property (nonatomic, readonly) int backingWidth;
@property (nonatomic, readonly) int backingHeight;

@property (nonatomic, readonly) GLuint drawableRenderbuffer;
@property (nonatomic, readonly) GLuint drawableFramebuffer;
@property (nonatomic, readonly) GLuint msaaResolveFramebuffer;

- (void)swapBuffers;

- (void)updateFrame;

@end

/* vi: set ts=4 sw=4 expandtab: */

kc3-lang/SDL/src/video/uikit/SDL_uikitopenglview.h

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kc3-lang/SDL /src/video/uikit/SDL_uikitopenglview.h