In January 2026, DarkContact implemented ARGB1555 texture format support for Direct3D 11 within the libsdl-org/SDL repository, expanding SDL’s GPU texture compatibility on Windows. Using C and Direct3D, DarkContact developed end-to-end handling for the B5G5R5A1_UNORM format, including both conversion routines and integration into the SDL texture registration system. This work enabled SDL applications to render and process 16-bit ARGB1555 textures through the DX11 pipeline, addressing a common need for downstream graphics applications. The contribution demonstrated a focused application of graphics programming skills, delivering a well-scoped feature that deepened SDL’s support for diverse GPU texture formats without introducing bugs.