func IsFramebuffer(framebuffer uint32) bool {
	ret, _, _ := syscall.Syscall(gpIsFramebuffer, 1, uintptr(framebuffer), 0, 0)
	return ret != 0
}
func IsFramebuffer(framebuffer uint32) bool {
	ret, _, _ := syscall.Syscall(gpIsFramebuffer, 1, uintptr(framebuffer), 0, 0)
	return ret != 0
}
func IsFramebuffer ( framebuffer uint32 ) bool { ret , _ , _ := syscall . Syscall ( gpIsFramebuffer , 1 , uintptr ( framebuffer ) , 0 , 0 ) return ret != 0 }
// determine if a name corresponds to a framebuffer object
determine if a name corresponds to a framebuffer object