Packages with the xpresent use flag

dev-libs / efl : Enlightenment Foundation Libraries all-in-one package

  • Enable x11-libs/libXpresent support

x11-wm / e16 : Enlightenment Window Manager (E16)

  • Enable support for the X Present extension via x11-libs/libXpresent

xfce-base / xfwm4 : Window manager for the Xfce desktop environment

  • Enable the XPresent extension for sync to vblank