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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit fcaps meson
MY_PV=$(ver_rs 3 -)
MY_PV="${MY_PV//_/-}"
DESCRIPTION="Efficient micro-compositor for running games"
HOMEPAGE="https://github.com/ValveSoftware/gamescope"
EGIT_SUBMODULES=( src/reshade subprojects/{libliftoff,vkroots,wlroots} )
if [[ ${PV} == "9999" ]]; then
EGIT_REPO_URI="https://github.com/ValveSoftware/${PN}.git"
inherit git-r3
else
RESHADE_COMMIT="696b14cd6006ae9ca174e6164450619ace043283"
LIBLIFTOFF_COMMIT="0.5.0" # Upstream points at this release.
VKROOTS_COMMIT="5106d8a0df95de66cc58dc1ea37e69c99afc9540"
WLROOTS_COMMIT="4bc5333a2cbba0b0b88559f281dbde04b849e6ef"
SRC_URI="
https://github.com/ValveSoftware/${PN}/archive/refs/tags/${MY_PV}.tar.gz -> ${P}.tar.gz
https://gitlab.freedesktop.org/emersion/libliftoff/-/releases/v${LIBLIFTOFF_COMMIT}/downloads/libliftoff-${LIBLIFTOFF_COMMIT}.tar.gz
https://github.com/Joshua-Ashton/reshade/archive/${RESHADE_COMMIT}.tar.gz -> reshade-${RESHADE_COMMIT}.tar.gz
https://github.com/Joshua-Ashton/vkroots/archive/${VKROOTS_COMMIT}.tar.gz -> vkroots-${VKROOTS_COMMIT}.tar.gz
https://github.com/Joshua-Ashton/wlroots/archive/${WLROOTS_COMMIT}.tar.gz -> wlroots-${WLROOTS_COMMIT}.tar.gz
"
KEYWORDS="~amd64"
fi
S="${WORKDIR}/${PN}-${MY_PV}"
LICENSE="BSD-2"
SLOT="0"
IUSE="avif libei pipewire +sdl +wsi-layer"
RDEPEND="
>=dev-libs/wayland-1.23
gui-libs/libdecor
<media-libs/libdisplay-info-0.3:=
media-libs/vulkan-loader
sys-apps/hwdata
sys-libs/libcap
>=x11-libs/libdrm-2.4.109
x11-libs/libX11
x11-libs/libXcomposite
x11-libs/libXcursor
x11-libs/libXdamage
x11-libs/libXext
x11-libs/libXfixes
x11-libs/libXi
x11-libs/libxkbcommon
x11-libs/libXmu
x11-libs/libXrender
x11-libs/libXres
x11-libs/libXtst
x11-libs/libXxf86vm
avif? ( >=media-libs/libavif-1.0.0:= )
libei? ( dev-libs/libei )
pipewire? ( >=media-video/pipewire-0.3:= )
sdl? ( media-libs/libsdl2[video,vulkan] )
wsi-layer? ( x11-libs/libxcb )
"
# For bundled wlroots.
RDEPEND+="
>=dev-libs/libinput-1.14.0:=
media-libs/libglvnd
media-libs/mesa[egl(+),gles2(+)]
sys-auth/seatd:=
virtual/libudev
x11-base/xwayland
x11-libs/libxcb:=
>=x11-libs/pixman-0.42.0
x11-libs/xcb-util-wm
"
DEPEND="
${RDEPEND}
>=dev-libs/wayland-protocols-1.34
>=dev-libs/stb-20240201-r1
dev-util/vulkan-headers
media-libs/glm
dev-util/spirv-headers
wsi-layer? ( >=media-libs/vkroots-0_p20240430 )
"
BDEPEND="
dev-util/glslang
dev-util/wayland-scanner
virtual/pkgconfig
"
PATCHES=(
"${FILESDIR}"/${PN}-deprecated-stb.patch
)
FILECAPS=(
cap_sys_nice usr/bin/${PN}
)
src_prepare() {
default
# ReShade is bundled as a git submodule, but it references an unofficial
# fork, so we cannot unbundle it. Upstream have requested that we do not
# unbundle libliftoff, vkroots, or wlroots. Symlink to the extracted sources
# when not using the git submodules in 9999.
if [[ ${PV} != "9999" ]]; then
local dir name commit
for dir in "${EGIT_SUBMODULES[@]}"; do
rmdir "${dir}" || die
name=${dir##*/}
commit=${name^^}_COMMIT
ln -snfT "../../${name}-${!commit}" "${dir}" || die
done
fi
# SPIRV-Headers is required by ReShade. It is bundled as a git submodule but
# not wrapped with Meson, so we can symlink to our system-wide headers.
# For 9999, this submodule is not included.
mkdir -p thirdparty/SPIRV-Headers/include || die
ln -snf "${ESYSROOT}"/usr/include/spirv thirdparty/SPIRV-Headers/include/ || die
}
src_configure() {
# Disabling DRM backend is currently broken.
# https://github.com/ValveSoftware/gamescope/issues/1347
local emesonargs=(
$(meson_feature pipewire)
-Ddrm_backend=enabled
$(meson_feature sdl sdl2_backend)
$(meson_feature avif avif_screenshots)
$(meson_feature libei input_emulation)
$(meson_use wsi-layer enable_gamescope_wsi_layer)
-Denable_openvr_support=false
-Dbenchmark=disabled
-Dwlroots:xcb-errors=disabled
-Dwlroots:examples=false
-Dwlroots:renderers=gles2,vulkan
-Dwlroots:xwayland=enabled
-Dwlroots:backends=libinput
-Dwlroots:session=enabled
)
meson_src_configure
}
src_install() {
meson_src_install --skip-subprojects
}
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