diff --git a/app-emulation/vkd3d-proton/Manifest b/app-emulation/vkd3d-proton/Manifest
new file mode 100644
index 0000000000000..d0abe731bac68
--- /dev/null
+++ b/app-emulation/vkd3d-proton/Manifest
@@ -0,0 +1,4 @@
+DIST vkd3d-proton-2.6-dxil-spirv.tar.gz 631130 BLAKE2B 99f40c5efde87d0af86542b427e5b0429be68ca69ba0c2b6d10a821811756d8dadff4449f268ae404f8ace09a91b3e8aaa135e534a77c0239e58c1a970a044cc SHA512 3c20090b7a1b53c30fd4967622fc7384e1bcc504c30d8075068b87dad1bd2c6f4a12459bf42e61bf76b9dd454ec17a9d529f74ab0d5583627e966d94bb341dc3
+DIST vkd3d-proton-2.6-spirv-headers.tar.gz 1299014 BLAKE2B 0b1e635aaa6eebec3525b13698a064e0e5b8a78829a772cbe9e1890148059bf396bc5c830e8d6ee3070a3343775991642565283994c65acfa0d82a91590b7d84 SHA512 ecb2158cad55edb4ba069383668f3b311a2f6aa6777b5b7ed94795d454622426ee34fee52b13c97d2f07b5b2f965815ee61a0203b76a0b0d2c708a4786d06b96
+DIST vkd3d-proton-2.6-vulkan-headers.tar.gz 415130 BLAKE2B 0c6444c4c1cb43b9c69757d7c2257ce2fe1bc6be308341f3189766f120994e4920bc738b737d9eefc299359dab568fb8809782e3663dd589c0e4d13aecb8873a SHA512 02cf1d63b29e48ef0efe489eb32237ba2f9f4bf58a182b00dc96aab18faba94de79283398e9e945cd81130f83fff228c59b04e496716ea9ccc148a5f4465282c
+DIST vkd3d-proton-2.6.tar.gz 1271948 BLAKE2B 02d2574a66614613748fe3471a6fd5aac2650fdae15a17b17ea2ed028fa53a0579b866e7240036a26108afc343395826474bb99e015b9299c2abec811bb872ab SHA512 6f27d213652e2380a9ba4534ac9ffe4b752b4608fbc2e8acd273fa151ab19ad0b132e3436384d2b8591cd1a59f0b69d342c893dc3a64be85188b5e3274bcf3f1
diff --git a/app-emulation/vkd3d-proton/metadata.xml b/app-emulation/vkd3d-proton/metadata.xml
new file mode 100644
index 0000000000000..65a03f88f50d7
--- /dev/null
+++ b/app-emulation/vkd3d-proton/metadata.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>ionen@gentoo.org</email>
+		<name>Ionen Wolkens</name>
+	</maintainer>
+	<use>
+		<flag name="crossdev-mingw">
+			Use <pkg>sys-devel/crossdev</pkg> for the toolchain rather than
+			<pkg>dev-util/mingw64-toolchain</pkg> (requires manual setting up)
+		</flag>
+		<flag name="extras">Install extra tools and demos in /usr/lib/vkd3d-proton</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">HansKristian-Work/vkd3d-proton</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/app-emulation/vkd3d-proton/vkd3d-proton-2.6.ebuild b/app-emulation/vkd3d-proton/vkd3d-proton-2.6.ebuild
new file mode 100644
index 0000000000000..be6f12154734c
--- /dev/null
+++ b/app-emulation/vkd3d-proton/vkd3d-proton-2.6.ebuild
@@ -0,0 +1,161 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MULTILIB_COMPAT=( abi_x86_{32,64} )
+inherit flag-o-matic meson-multilib toolchain-funcs
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/HansKristian-Work/vkd3d-proton.git"
+	EGIT_SUBMODULES=(
+		# uses hacks / recent features and easily breaks, keep bundled headers
+		# (also cross-compiled and -I/usr/include is troublesome)
+		subprojects/{SPIRV,Vulkan}-Headers
+		subprojects/dxil-spirv
+		subprojects/dxil-spirv/third_party/spirv-headers # skip cross/tools
+	)
+else
+	VKD3D_HASH=3e5aab6fb3e18f81a71b339be4cb5cdf55140980 # match tag on bumps
+	DXIL_HASH=b537bbb91bccdbc695cb7e5211d608f8d1c205bd
+	SPIRV_HASH=ae217c17809fadb232ec94b29304b4afcd417bb4
+	VULKAN_HASH=83e1a9ed8ce289cebb1c02c8167d663dc1befb24
+	SRC_URI="
+		https://github.com/HansKristian-Work/vkd3d-proton/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+		https://github.com/HansKristian-Work/dxil-spirv/archive/${DXIL_HASH}.tar.gz -> ${P}-dxil-spirv.tar.gz
+		https://github.com/KhronosGroup/SPIRV-Headers/archive/${SPIRV_HASH}.tar.gz -> ${P}-vulkan-headers.tar.gz
+		https://github.com/KhronosGroup/Vulkan-Headers/archive/${VULKAN_HASH}.tar.gz -> ${P}-spirv-headers.tar.gz"
+	KEYWORDS="-* ~amd64 ~x86"
+fi
+
+DESCRIPTION="Fork of VKD3D, development branches for Proton's Direct3D 12 implementation"
+HOMEPAGE="https://github.com/HansKristian-Work/vkd3d-proton/"
+
+LICENSE="LGPL-2.1+ Apache-2.0 MIT"
+SLOT="0"
+IUSE="+abi_x86_32 crossdev-mingw debug extras"
+
+BDEPEND="
+	dev-util/glslang
+	!crossdev-mingw? ( dev-util/mingw64-toolchain[${MULTILIB_USEDEP}] )"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} == binary ]] && return
+
+	if use crossdev-mingw; 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 set 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 set 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."
+				eerror "USE=crossdev-mingw is set but neither widl nor ${tool} were found"
+			fi
+		done
+	fi
+}
+
+src_prepare() {
+	if [[ ${PV} != 9999 ]]; then
+		rmdir subprojects/{{SPIRV,Vulkan}-Headers,dxil-spirv} || die
+		mv ../dxil-spirv-${DXIL_HASH} subprojects/dxil-spirv || die
+		mv ../SPIRV-Headers-${SPIRV_HASH} subprojects/SPIRV-Headers || die
+		mv ../Vulkan-Headers-${VULKAN_HASH} subprojects/Vulkan-Headers || die
+		ln -s ../../../SPIRV-Headers/include \
+			subprojects/dxil-spirv/third_party/spirv-headers || die
+	fi
+
+	default
+
+	sed -i "/^basedir=/s|=.*|=${EPREFIX}/usr/lib/${PN}|" setup_vkd3d_proton.sh || die
+
+	if [[ ${PV} != 9999 ]]; then
+		# without .git, meson sets vkd3d_build as 0x${PV} leading to failure
+		sed -i "s/@VCS_TAG@/${VKD3D_HASH::15}/" vkd3d_build.h.in || die
+		sed -i "s/@VCS_TAG@/${VKD3D_HASH::7}/" vkd3d_version.h.in || die
+	fi
+}
+
+src_configure() {
+	use crossdev-mingw || PATH=${BROOT}/usr/lib/mingw64-toolchain/bin:${PATH}
+
+	if [[ ${CHOST} != *-mingw* ]]; then
+		unset AR CC CXX STRIP WIDL # likely unusable unless CHOST is mingw
+
+		CHOST_amd64=x86_64-w64-mingw32
+		CHOST_x86=i686-w64-mingw32
+		CHOST=$(usex x86 ${CHOST_x86} ${CHOST_amd64})
+
+		# preferring meson eclass' cross file over upstream's but, unlike
+		# dxvk, we lose static options in the process (from build-win*.txt)
+		append-ldflags -static -static-libgcc -static-libstdc++
+
+		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 && 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#x}==86?86:64))
+		--{cross,native}-file="${T}"/widl.${ABI}.ini
+		$(meson_use {,enable_}extras)
+		$(meson_use debug enable_trace)
+		$(usev !debug --strip) # portage won't strip .dll, so allow it here
+		-Denable_tests=false # need wine/vulkan and intended for manual use
+	)
+
+	meson_src_configure
+}
+
+multilib_src_install_all() {
+	dobin setup_vkd3d_proton.sh
+	einstalldocs
+
+	# unnecesasry files, see package-release.sh
+	rm "${ED}"/usr/lib/${PN}/x*/libvkd3d-proton-utils-3.dll || die
+	find "${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 "See ${EROOT}/usr/share/doc/${PF}/README.md* for details."
+	fi
+
+	# don't try to keep wine-*[vulkan] in RDEPEND, but still give a warning
+	local wine
+	for wine in app-emulation/wine-{vanilla,staging}; do
+		has_version ${wine} && ! has_version ${wine}[vulkan] &&
+			ewarn "${wine} was not built with USE=vulkan, ${PN} will not be usable with it"
+	done
+}
diff --git a/app-emulation/vkd3d-proton/vkd3d-proton-9999.ebuild b/app-emulation/vkd3d-proton/vkd3d-proton-9999.ebuild
new file mode 100644
index 0000000000000..be6f12154734c
--- /dev/null
+++ b/app-emulation/vkd3d-proton/vkd3d-proton-9999.ebuild
@@ -0,0 +1,161 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MULTILIB_COMPAT=( abi_x86_{32,64} )
+inherit flag-o-matic meson-multilib toolchain-funcs
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/HansKristian-Work/vkd3d-proton.git"
+	EGIT_SUBMODULES=(
+		# uses hacks / recent features and easily breaks, keep bundled headers
+		# (also cross-compiled and -I/usr/include is troublesome)
+		subprojects/{SPIRV,Vulkan}-Headers
+		subprojects/dxil-spirv
+		subprojects/dxil-spirv/third_party/spirv-headers # skip cross/tools
+	)
+else
+	VKD3D_HASH=3e5aab6fb3e18f81a71b339be4cb5cdf55140980 # match tag on bumps
+	DXIL_HASH=b537bbb91bccdbc695cb7e5211d608f8d1c205bd
+	SPIRV_HASH=ae217c17809fadb232ec94b29304b4afcd417bb4
+	VULKAN_HASH=83e1a9ed8ce289cebb1c02c8167d663dc1befb24
+	SRC_URI="
+		https://github.com/HansKristian-Work/vkd3d-proton/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+		https://github.com/HansKristian-Work/dxil-spirv/archive/${DXIL_HASH}.tar.gz -> ${P}-dxil-spirv.tar.gz
+		https://github.com/KhronosGroup/SPIRV-Headers/archive/${SPIRV_HASH}.tar.gz -> ${P}-vulkan-headers.tar.gz
+		https://github.com/KhronosGroup/Vulkan-Headers/archive/${VULKAN_HASH}.tar.gz -> ${P}-spirv-headers.tar.gz"
+	KEYWORDS="-* ~amd64 ~x86"
+fi
+
+DESCRIPTION="Fork of VKD3D, development branches for Proton's Direct3D 12 implementation"
+HOMEPAGE="https://github.com/HansKristian-Work/vkd3d-proton/"
+
+LICENSE="LGPL-2.1+ Apache-2.0 MIT"
+SLOT="0"
+IUSE="+abi_x86_32 crossdev-mingw debug extras"
+
+BDEPEND="
+	dev-util/glslang
+	!crossdev-mingw? ( dev-util/mingw64-toolchain[${MULTILIB_USEDEP}] )"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} == binary ]] && return
+
+	if use crossdev-mingw; 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 set 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 set 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."
+				eerror "USE=crossdev-mingw is set but neither widl nor ${tool} were found"
+			fi
+		done
+	fi
+}
+
+src_prepare() {
+	if [[ ${PV} != 9999 ]]; then
+		rmdir subprojects/{{SPIRV,Vulkan}-Headers,dxil-spirv} || die
+		mv ../dxil-spirv-${DXIL_HASH} subprojects/dxil-spirv || die
+		mv ../SPIRV-Headers-${SPIRV_HASH} subprojects/SPIRV-Headers || die
+		mv ../Vulkan-Headers-${VULKAN_HASH} subprojects/Vulkan-Headers || die
+		ln -s ../../../SPIRV-Headers/include \
+			subprojects/dxil-spirv/third_party/spirv-headers || die
+	fi
+
+	default
+
+	sed -i "/^basedir=/s|=.*|=${EPREFIX}/usr/lib/${PN}|" setup_vkd3d_proton.sh || die
+
+	if [[ ${PV} != 9999 ]]; then
+		# without .git, meson sets vkd3d_build as 0x${PV} leading to failure
+		sed -i "s/@VCS_TAG@/${VKD3D_HASH::15}/" vkd3d_build.h.in || die
+		sed -i "s/@VCS_TAG@/${VKD3D_HASH::7}/" vkd3d_version.h.in || die
+	fi
+}
+
+src_configure() {
+	use crossdev-mingw || PATH=${BROOT}/usr/lib/mingw64-toolchain/bin:${PATH}
+
+	if [[ ${CHOST} != *-mingw* ]]; then
+		unset AR CC CXX STRIP WIDL # likely unusable unless CHOST is mingw
+
+		CHOST_amd64=x86_64-w64-mingw32
+		CHOST_x86=i686-w64-mingw32
+		CHOST=$(usex x86 ${CHOST_x86} ${CHOST_amd64})
+
+		# preferring meson eclass' cross file over upstream's but, unlike
+		# dxvk, we lose static options in the process (from build-win*.txt)
+		append-ldflags -static -static-libgcc -static-libstdc++
+
+		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 && 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#x}==86?86:64))
+		--{cross,native}-file="${T}"/widl.${ABI}.ini
+		$(meson_use {,enable_}extras)
+		$(meson_use debug enable_trace)
+		$(usev !debug --strip) # portage won't strip .dll, so allow it here
+		-Denable_tests=false # need wine/vulkan and intended for manual use
+	)
+
+	meson_src_configure
+}
+
+multilib_src_install_all() {
+	dobin setup_vkd3d_proton.sh
+	einstalldocs
+
+	# unnecesasry files, see package-release.sh
+	rm "${ED}"/usr/lib/${PN}/x*/libvkd3d-proton-utils-3.dll || die
+	find "${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 "See ${EROOT}/usr/share/doc/${PF}/README.md* for details."
+	fi
+
+	# don't try to keep wine-*[vulkan] in RDEPEND, but still give a warning
+	local wine
+	for wine in app-emulation/wine-{vanilla,staging}; do
+		has_version ${wine} && ! has_version ${wine}[vulkan] &&
+			ewarn "${wine} was not built with USE=vulkan, ${PN} will not be usable with it"
+	done
+}