use libglvnd to do animations more efficiently

Packages describing “gles” as local USE flag

Package “gles” Flag Description
gui-wm/wayfire use libglvnd to do animations more efficiently
media-tv/kodi Use simplified OpenGLES instead of full-scale OpenGL
x11-misc/xscreensaver Emulate OpenGL 1.3 in terms of OpenGL ES 1.x

All packages providing a “gles” USE flag (2)