What are the roles of the two names in ضَرَبَ حَامِدٌ مَحْمُودًا?

Maf'ul Bihi: The Receiver of the Action

• Both names are fa'il.
• Mahmud is the fa'il; Hamid is the maf'ul bihi.
• Both names are maf'ul bihi.
• Hamid is the fa'il; Mahmud is the maf'ul bihi.