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# Copyright 2022-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
MULTILIB_ABIS="amd64 x86" # allow usage on /no-multilib/
MULTILIB_COMPAT=( abi_x86_{32,64} )
inherit eapi9-ver flag-o-matic meson-multilib toolchain-funcs
if [[ ${PV} == 9999 ]]; then
inherit git-r3
EGIT_REPO_URI="https://github.com/HansKristian-Work/vkd3d-proton.git"
else
# tarball is same as upstream except for including git submodules
SRC_URI="https://distfiles.gentoo.org/pub/dev/ionen@gentoo.org/${P}.tar.xz"
KEYWORDS="-* ~amd64 ~x86"
fi
DESCRIPTION="Fork of VKD3D, development branches for Proton's Direct3D 12 implementation"
HOMEPAGE="https://github.com/HansKristian-Work/vkd3d-proton/"
LICENSE="LGPL-2.1+ Apache-2.0 MIT"
SLOT="0"
IUSE="+abi_x86_32 crossdev-mingw debug extras +strip"
BDEPEND="
dev-util/glslang
!crossdev-mingw? ( dev-util/mingw64-toolchain[${MULTILIB_USEDEP}] )
"
pkg_pretend() {
[[ ${MERGE_TYPE} == binary ]] && return
if use crossdev-mingw && [[ ! -v MINGW_BYPASS ]]; then
local tool=-w64-mingw32-g++
for tool in $(usev abi_x86_64 x86_64${tool}) $(usev abi_x86_32 i686${tool}); do
if ! type -P ${tool} >/dev/null; then
eerror "With USE=crossdev-mingw, it is necessary to setup the mingw toolchain."
eerror "For instructions, please see: https://wiki.gentoo.org/wiki/Mingw"
use abi_x86_32 && use abi_x86_64 &&
eerror "Also, with USE=abi_x86_32, will need both i686 and x86_64 toolchains."
die "USE=crossdev-mingw is enabled, but ${tool} was not found"
elif [[ ! $(LC_ALL=C ${tool} -v 2>&1) =~ "Thread model: posix" ]]; then
eerror "${PN} requires GCC to be built with --enable-threads=posix"
eerror "Please see: https://wiki.gentoo.org/wiki/Mingw#POSIX_threads_for_Windows"
die "USE=crossdev-mingw is enabled, but ${tool} does not use POSIX threads"
fi
done
tool=-w64-mingw32-widl
for tool in $(usev abi_x86_64 x86_64${tool}) $(usev abi_x86_32 i686${tool}); do
if ! type -P widl >/dev/null && ! type -P ${tool} >/dev/null; then
eerror "With USE=crossdev-mingw, you need to provide the widl compiler by either"
eerror "building crossdev mingw64-runtime with USE=tools or installing wine."
die "USE=crossdev-mingw is set but neither widl nor ${tool} were found"
fi
done
fi
}
src_prepare() {
default
sed -i "/^basedir=/s|=.*|=${EPREFIX}/usr/lib/${PN}|" setup_vkd3d_proton.sh || die
}
src_configure() {
use crossdev-mingw || PATH=${BROOT}/usr/lib/mingw64-toolchain/bin:${PATH}
# random segfaults been reported with LTO in some games, filter as
# a safety (note that optimizing this further won't really help
# performance, GPU does the actual work)
filter-lto
# -mavx and mingw-gcc do not mix safely here
# https://github.com/doitsujin/dxvk/issues/4746#issuecomment-2708869202
append-flags -mno-avx
if [[ ${CHOST} != *-mingw* ]]; then
if [[ ! -v MINGW_BYPASS ]]; then
unset AR CC CXX RC STRIP WIDL
filter-flags '-fuse-ld=*'
filter-flags '-mfunction-return=thunk*' #878849
# some bashrc-mv users tend to do CFLAGS="${LDFLAGS}" and then
# strip-unsupported-flags miss these during compile-only tests
# (primarily done for 23.0 profiles' -z, not full coverage)
filter-flags '-Wl,-z,*' #928038
fi
CHOST_amd64=x86_64-w64-mingw32
CHOST_x86=i686-w64-mingw32
CHOST=$(usex x86 ${CHOST_x86} ${CHOST_amd64})
strip-unsupported-flags
fi
multilib-minimal_src_configure
}
multilib_src_configure() {
# multilib's ${CHOST_amd64}-gcc -m32 is unusable with crossdev,
# unset again so meson eclass will set ${CHOST}-gcc + others
use crossdev-mingw && [[ ! -v MINGW_BYPASS ]] && unset AR CC CXX STRIP WIDL
# prefer ${CHOST}'s widl (mingw) over wine's as used by upstream if
# possible, but eclasses don't handle that so setup machine files
local widl=$(tc-getPROG WIDL widl)
use amd64 && [[ ${widl} == widl && ${ABI} == x86 ]] && widl="widl','-m32"
printf "[binaries]\nwidl = ['${widl}']\n" > "${T}"/widl.${ABI}.ini || die
local emesonargs=(
--prefix="${EPREFIX}"/usr/lib/${PN}
--{bin,lib}dir=x${ABI: -2}
--{cross,native}-file="${T}"/widl.${ABI}.ini
$(meson_use {,enable_}extras)
$(meson_use debug enable_trace)
$(usev strip --strip) # portage won't strip .dll, so allow it here
-Denable_tests=false # needs wine/vulkan and is intended for manual use
)
meson_src_configure
}
multilib_src_install_all() {
dobin setup_vkd3d_proton.sh
einstalldocs
find "${ED}" -type f -name '*.a' -delete || die
}
pkg_postinst() {
if [[ ! ${REPLACING_VERSIONS} ]]; then
elog "To enable ${PN} on a wine prefix, you can run the following command:"
elog
elog " WINEPREFIX=/path/to/prefix setup_vkd3d_proton.sh install --symlink"
elog
elog "Should also ensure that >=app-emulation/dxvk-2.1's dxgi.dll is available"
elog "on it, not meant to function independently even if only using d3d12."
elog
elog "See ${EROOT}/usr/share/doc/${PF}/README.md* for details."
fi
if ver_replacing -lt 2.7; then
elog
elog ">=${PN}-2.7 requires drivers and Wine to support vulkan-1.3, meaning:"
elog ">=wine-*-7.1 (or >=wine-proton-7.0), and >=mesa-22.0 (or >=nvidia-drivers-510)"
fi
if ver_replacing -lt 2.9; then
elog
elog ">=${PN}-2.9 has a new file to install (d3d12core.dll), old Wine prefixes that"
elog "relied on '--symlink' may need updates by using the setup_vkd3d_proton.sh."
elog
elog "Furthermore, it may not function properly if >=app-emulation/dxvk-2.1's"
elog "dxgi.dll is not available on that prefix (even if only using d3d12)."
fi
}
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