IntroductionThe UEFI Graphics Output Protocol (GOP) represents a fundamental shift in how operating systems and bootloaders interact with display hardware. Unlike the legacy VGA BIOS interrupts that dominated PC graphics for decades, GOP provides a modern, standardized interface for framebuffer access during the pre-boot environment. This guide provides a comprehensive, practical approach to implementing GOP-based graphics in your UEFI applications.Whether you're developing a bootloader, creating a UEFI shell application, or building a custo...