func ColorMaterial(face uint32, mode uint32) {
	C.glowColorMaterial(gpColorMaterial, (C.GLenum)(face), (C.GLenum)(mode))
}
func ColorMaterial(face uint32, mode uint32) {
	C.glowColorMaterial(gpColorMaterial, (C.GLenum)(face), (C.GLenum)(mode))
}
// cause a material color to track the current color