Code Implementation Target: Code: ({{fg}} + ({{bg}}*(1.0-{{fg}}[3]))) * {{mix}} + {{bg}} * (1.0-{{mix}}) Target: Code: materialx::stdlib_{{MDL_VERSION_SUFFIX}}::mx_over_color4({{fg}}, {{bg}}, {{mix}}) Target: Code: ({{fg}} + ({{bg}}*(1.0-{{fg}}[3]))) * {{mix}} + {{bg}} * (1.0-{{mix}}) Target: Code: ({{fg}} + ({{bg}}*(1.0-{{fg}}.a))) * {{mix}} + {{bg}} * (1.0-{{mix}})