1 - Set USE flags
x11-libs/libX11 and media-libs/mesa with xcb enabled.
x11-libs/cairo with glitz, xcb and svg enabled.
x11-wm/compiz-fusion with emerald enabled.
2 - Keywords
dev-python/compizconfig-python
x11-wm/compiz
x11-wm/compiz-fusion
x11-plugins/compiz-plugins-main
x11-plugins/compiz-plugins-extra
x11-plugins/compiz-plugins-unsupported
x11-wm/emerald
x11-themes/emerald-themes
x11-apps/ccsm
x11-libs/libcompizconfig
x11-libs/compizconfig-backend-gconf
x11-libs/compizconfig-backend-kconfig
x11-libs/compiz-bcop
3 - Emerge
emerge compiz-fusion
4 - Usage for nvidia card
LIBGL_ALWAYS_INDIRECT=1 INTEL_BATCH=1 compiz –replace –indirect-rendering –sm-disable ccp
5 - GNOME setting
Navigate to System > Preferences > Startup Applications
Add a new Program to the session list named Compiz-Fusion and path /usr/bin/compiz-manager
Add a new Program to the session list named Emerald and in command "emerald –replace"
Save the settings and relog to test.
