#import "GBViewGL.h" #import "GBOpenGLView.h" @implementation GBViewGL - (void)createInternalView { NSOpenGLPixelFormatAttribute attrs[] = { NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core, 0 }; NSOpenGLPixelFormat *pf = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs]; assert(pf); NSOpenGLContext *context = [[NSOpenGLContext alloc] initWithFormat:pf shareContext:nil]; self.internalView = [[GBOpenGLView alloc] initWithFrame:self.frame pixelFormat:pf]; ((GBOpenGLView *)self.internalView).wantsBestResolutionOpenGLSurface = true; ((GBOpenGLView *)self.internalView).openGLContext = context; } - (void)flip { [super flip]; dispatch_async(dispatch_get_main_queue(), ^{ [self.internalView setNeedsDisplay:true]; [self setNeedsDisplay:true]; }); } @end