Initializes and returns an NSOpenGLPixelBuffer object that encapsulates an existing CGL pixel buffer object.
Original signature is '- (id)initWithCGLPBufferObj:(void *)pbuffer'
Available in Mac OS X v10.6 and later.


- pbuffer (IntPtr)
- The CGL pixel buffer object to wrap.

An initialized NSOpenGLPixelBuffer object.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later)