22 #import <UIKit/UIKit.h>
23 #import <OpenGLES/EAGL.h>
24 #import <OpenGLES/ES3/gl.h>
31 - (instancetype)initWithFrame:(CGRect)frame
33 retainBacking:(BOOL)retained
38 depthBits:(
int)depthBits
39 stencilBits:(
int)stencilBits
41 multisamples:(
int)multisamples
42 context:(EAGLContext *)glcontext;
44 @property (nonatomic, readonly, weak) EAGLContext *
context;