Packages describing “glx” as local USE flag

Package“glx” Flag Description
media-gfx/openscadEnable GLX to interface OpenGL and X11
media-libs/libvaEnable GLX backend (requires X). Provides libva-glx.so, needed only by some prebuilt binaries.
x11-misc/xscreensaverUse GLX to interface OpenGL and X11 instead of EGL

All packages providing a “glx” USE flag (3)