func Hint(target uint32, mode uint32) {
	C.glowHint(gpHint, (C.GLenum)(target), (C.GLenum)(mode))
}
func Hint(target uint32, mode uint32) {
	C.glowHint(gpHint, (C.GLenum)(target), (C.GLenum)(mode))
}
// specify implementation-specific hints