func IsRenderbuffer(renderbuffer uint32) bool {
	ret := C.glowIsRenderbuffer(gpIsRenderbuffer, (C.GLuint)(renderbuffer))
	return ret == TRUE
}
func IsRenderbuffer(renderbuffer uint32) bool {
	ret := C.glowIsRenderbuffer(gpIsRenderbuffer, (C.GLuint)(renderbuffer))
	return ret == TRUE
}
// determine if a name corresponds to a renderbuffer object