qzdoom/src/rendering/swrenderer/plane
..
r_flatplane.cpp
r_flatplane.h
r_planerenderer.cpp
r_planerenderer.h
r_skyplane.cpp
r_skyplane.h
r_slopeplane.cpp
r_slopeplane.h
r_visibleplane.cpp
r_visibleplane.h
r_visibleplanelist.cpp
r_visibleplanelist.h