Mangadi worked on the qualcomm-linux/meta-qcom repository, focusing on stabilizing Weston shader behavior across various GPU implementations in Yocto-based embedded systems. By backporting an upstream fix in C, Mangadi optimized out unused YUV shader uniforms, addressing inconsistencies in shader compilers that previously caused assertion failures and crashes. The solution was implemented as a non-invasive .bbappend, ensuring that upstream recipes remained untouched while achieving consistent shader behavior across different GPU drivers. Leveraging expertise in OpenGL, Yocto, and graphics programming, Mangadi’s work reduced platform-specific variance and improved runtime stability, demonstrating a thoughtful approach to cross-driver compatibility and maintainability.