Worked on the intel/media-driver repository to improve maintainability and consistency across hardware generations by focusing on targeted code cleanup. Addressed a longstanding issue by removing the unused GetMfxPrimitiveCommandsDataSize function, which streamlined error handling and reduced code duplication in the C++ codebase. Updated the interface so that GetMfxPrimitiveCommandsDataSize now returns a standardized error code, MOS_STATUS_UNIMPLEMENTED, to prevent misuse and clarify expectations for future development. Leveraged skills in C++ development, hardware abstraction, and system programming to consolidate error handling logic, lower the risk of future regressions, and establish clearer boundaries for platform-specific MFX command size implementations.