# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit cmake-multilib flag-o-matic systemd

if [[ ${PV} == *9999 ]] ; then
	EGIT_REPO_URI="https://github.com/VirtualGL/${PN}.git"
	inherit git-r3
else
	MY_PN="VirtualGL"
	MY_P="${MY_PN}-${PV}"
	S="${WORKDIR}/${MY_P}"
	SRC_URI="mirror://sourceforge/project/${PN}/${PV}/${MY_P}.tar.gz"
	KEYWORDS="amd64 x86"
fi

DESCRIPTION="Run OpenGL applications remotely with full 3D hardware acceleration"
HOMEPAGE="https://www.virtualgl.org/"

SLOT="0"
LICENSE="LGPL-2.1 wxWinLL-3.1 FLTK"
IUSE="ssl"

RDEPEND="
	ssl? (
		dev-libs/openssl:0=[${MULTILIB_USEDEP}]
	)
	media-libs/libjpeg-turbo[${MULTILIB_USEDEP}]
	x11-libs/libX11[${MULTILIB_USEDEP}]
	x11-libs/libXext[${MULTILIB_USEDEP}]
	x11-libs/libXtst[${MULTILIB_USEDEP}]
	x11-libs/libXv[${MULTILIB_USEDEP}]
	x11-libs/xcb-util-keysyms[${MULTILIB_USEDEP}]
	virtual/glu[${MULTILIB_USEDEP}]
	virtual/opencl[${MULTILIB_USEDEP}]
	virtual/opengl[${MULTILIB_USEDEP}]
	amd64? ( abi_x86_32? (
		>=media-libs/libjpeg-turbo-1.3.0-r3[abi_x86_32]
		>=x11-libs/libX11-1.6.2[abi_x86_32]
		>=x11-libs/libXext-1.3.2[abi_x86_32]
		>=x11-libs/libXtst-1.2.3[abi_x86_32]
		>=x11-libs/libXv-1.0.10[abi_x86_32]
		x11-libs/xcb-util-keysyms[abi_x86_32]
		>=virtual/glu-9.0-r1[abi_x86_32]
		virtual/opencl[abi_x86_32]
		>=virtual/opengl-7.0-r1[abi_x86_32]
	) )
"
DEPEND="${RDEPEND}"

src_prepare() {
	# Use /var/lib, bug #428122
	sed -e "s#/etc/opt#/var/lib#g" -i doc/unixconfig.txt doc/index.html doc/advancedopengl.txt \
		server/vglrun.in server/vglgenkey server/vglserver_config || die

	cmake_src_prepare
}

src_configure() {
	# Completely breaks steam/wine for discrete graphics otherwise
	# see https://github.com/VirtualGL/virtualgl/issues/16
	append-ldflags "-Wl,--no-as-needed"

	abi_configure() {
		local mycmakeargs=(
			-DVGL_USESSL="$(usex ssl)"
			-DCMAKE_INSTALL_DOCDIR=/usr/share/doc/"${PF}"
			-DTJPEG_INCLUDE_DIR=/usr/include
			-DCMAKE_INSTALL_LIBDIR=/usr/$(get_libdir)/VirtualGL
			-DTJPEG_LIBRARY=/usr/$(get_libdir)/libturbojpeg.so
			-DCMAKE_LIBRARY_PATH=/usr/$(get_libdir)
		)
		cmake_src_configure
	}
	multilib_parallel_foreach_abi abi_configure
}

src_install() {
	cmake-multilib_src_install

	# Make config dir
	keepdir /var/lib/VirtualGL
	fowners root:video /var/lib/VirtualGL
	fperms 0750 /var/lib/VirtualGL
	newinitd "${FILESDIR}/vgl.initd-r4" vgl
	newconfd "${FILESDIR}/vgl.confd-r2" vgl

	exeinto /usr/libexec
	doexe "${FILESDIR}/vgl-helper.sh"
	systemd_dounit "${FILESDIR}/vgl.service"

	# Rename glxinfo to vglxinfo to avoid conflict with x11-apps/mesa-progs
	# and eglinfo to veglinto because of conflict with mesa-progs[egl]
	mv "${D}"/usr/bin/{,v}glxinfo || die
	mv "${D}"/usr/bin/{,v}eglinfo || die

	# Remove license files, bug 536284
	rm "${D}"/usr/share/doc/${PF}/{LGPL.txt*,LICENSE*} || die
}