During December 2025, Xhymaker contributed to the libsdl-org/SDL repository by addressing a critical crash in the DirectX 12 texture upload path. Focusing on low-level graphics programming, Xhymaker improved the UploadToTexture function by refining memory alignment and ensuring accurate handling of texture dimensions during DirectX 12 uploads. This work, implemented in C and leveraging DirectX 12, reduced runtime crashes and enhanced the stability of the graphics pipeline across platforms. Although the contribution was focused on a single bug fix, it demonstrated a deep understanding of GPU resource management and the intricacies of cross-platform graphics development in C environments.