func DepthMask(flag bool) {
	C.glowDepthMask(gpDepthMask, (C.GLboolean)(boolToInt(flag)))
}
func DepthMask(flag bool) {
	C.glowDepthMask(gpDepthMask, (C.GLboolean)(boolToInt(flag)))
}
func DepthMask ( flag bool ) { C . glowDepthMask ( gpDepthMask , ( C . GLboolean ) ( boolToInt ( flag ) ) ) }
// enable or disable writing into the depth buffer
enable or disable writing into the depth buffer