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Diffstat (limited to 'games-util/gamemode/gamemode-1.2.ebuild')
-rw-r--r-- | games-util/gamemode/gamemode-1.2.ebuild | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/games-util/gamemode/gamemode-1.2.ebuild b/games-util/gamemode/gamemode-1.2.ebuild new file mode 100644 index 000000000000..6ac471006aa0 --- /dev/null +++ b/games-util/gamemode/gamemode-1.2.ebuild @@ -0,0 +1,102 @@ +# Copyright 1999-2018 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +EAPI=6 + +MULTILIB_COMPAT=( abi_x86_{32,64} ) + +inherit meson multilib-minimal ninja-utils user + +DESCRIPTION="Optimise Linux system performance on demand" +HOMEPAGE="https://github.com/FeralInteractive/gamemode" + +if [[ ${PV} == "9999" ]] ; then + EGIT_REPO_URI="https://github.com/FeralInteractive/gamemode.git" + GAMEMODE_GIT_PTR="master" + inherit git-r3 +else + GAMEMODE_GIT_PTR="${PV}" + SRC_URI="https://github.com/FeralInteractive/gamemode/releases/download/${GAMEMODE_GIT_PTR}/${P}.tar.xz" + KEYWORDS="~amd64 ~x86" +fi + +LICENSE="BSD" +SLOT="0" +IUSE="" + +RDEPEND=" + >=sys-apps/systemd-236[${MULTILIB_USEDEP}] +" +DEPEND="${RDEPEND}" + +pkg_pretend() { + elog + elog "GameMode needs a kernel capable of SCHED_ISO to use its soft realtime" + elog "feature. Examples of kernels providing that are sys-kernel/ck-source" + elog "and sys-kernel/pf-sources." + elog + elog "Support for soft realtime is completely optional. It may provide the" + elog "following benefits with systems having at least four CPU cores:" + elog + elog " * more CPU shares allocated exclusively to the game" + elog " * reduced input lag and reduced thread latency" + elog " * more consistent frame times resulting in less microstutters" + elog + elog "You probably won't benefit from soft realtime mode and thus don't need" + elog "SCHED_ISO if:" + elog + elog " * Your CPU has less than four cores because the game may experience" + elog " priority inversion with the graphics driver (thus heuristics" + elog " automatically disable SCHED_ISO usage then)" + elog " * Your game uses busy-loops to interface with the graphics driver" + elog " but you may still force SCHED_ISO per configuation file, YMMV," + elog " it depends on the graphics driver implementation, i.e. usage of" + elog " __GL_THREADED_OPTIMIZATIONS or similar." + elog " * If your game causes more than 70% CPU usage across all cores," + elog " SCHED_ISO automatically turns off and on depending on usage and" + elog " is processed with higher-than-normal priority then (renice)." + elog " This auto-switching may result in a lesser game experience." + elog + elog "For more info look at:" + elog "https://github.com/FeralInteractive/gamemode/blob/${GAMEMODE_GIT_PTR}/README.md" + elog +} + +multilib_src_configure() { + local myconf=() + if ! multilib_is_native_abi; then + myconf+=( + -Dwith-examples=false + -Dwith-daemon=false + ) + fi + meson_src_configure "${myconf[@]}" +} + +multilib_src_compile() { + eninja +} + +multilib_src_install() { + DESTDIR="${D}" eninja install + insinto /etc/security/limits.d + newins - 45-gamemode.conf <<-EOF + @gamemode - nice -10 + EOF +} + +pkg_postinst() { + enewgroup gamemode + + elog + elog "GameMode can renice your games. You need to be in the gamemode group for this to work." + elog "Run the following command as root to add your user:" + elog "# gpasswd -a USER gamemode # with USER = your user name" + elog + + elog "Enable and start the daemon in your systemd user instance, then add" + elog "LD_PRELOAD=\$LD_PRELOAD:/usr/\$LIB/libgamemodeauto.so %command%" + elog "to the start options of any steam game to enable the performance" + elog "governor as you start the game." + elog +} |