MTLCompareFunction.less A new value passes the comparison test if it is less than the existing value. Declarationcase less See AlsoCompare function optionsMTLCompareFunction.neverMTLCompareFunction.equalMTLCompareFunction.lessEqualMTLCompareFunction.greaterMTLCompareFunction.notEqualMTLCompareFunction.greaterEqualMTLCompareFunction.always