MTLVertexFormat.uchar3 A three-component vector with 8-bit, unsigned integer values. Declarationcase uchar3 See Also8-bit integer formatsMTLVertexFormat.charMTLVertexFormat.char2MTLVertexFormat.char3MTLVertexFormat.char4MTLVertexFormat.ucharMTLVertexFormat.uchar2MTLVertexFormat.uchar4