#include <CoreFoundation/CoreFoundation.h>
#include <Cocoa/Cocoa.h>
#include <CoreVideo/CoreVideo.h>
#include <OpenGL/OpenGL.h>

@interface View : NSOpenGLView
{
    CVDisplayLinkRef dl;
    NSOpenGLContext* glctx;
    _CGLContextObject* cgl;
    bool gl_ready;
}
- (void)terminateGL;
- (void)async_lock;
- (void)async_unlock;
- (void)async_swap;
@end