diff --git a/app-emulation/vkd3d-proton/Manifest b/app-emulation/vkd3d-proton/Manifest
index 6fe4cc3d73deb..896cafb1fd46f 100644
--- a/app-emulation/vkd3d-proton/Manifest
+++ b/app-emulation/vkd3d-proton/Manifest
@@ -8,6 +8,7 @@ DIST vkd3d-proton-2.12.tar.gz 2109289 BLAKE2B 805298efa2f49a82dcc4b989856fb24469
 DIST vkd3d-proton-2.13.tar.gz 2210823 BLAKE2B 106d7c204b3761c119001af9cda7bd32443e3dcda4426b49f4a2d5f5c8bd19cb16fad21e6a73f6b6eaca8a8501e2d65db6f8b10fd31c488df01cf7f1ceedf8f6 SHA512 a39fc8fb5db379e91fabf10cf81b5087ead7fd7eb833620803acfbc3bd3eec32a81ad193030e8521013bcd55df59a0dee49320313493eac79aa32203a0742e28
 DIST vkd3d-proton-2.14.1.tar.gz 2271935 BLAKE2B c136ba61511bcf8c3202bfd3ab63c663739c2bb6085f04c43227f270e2314e66ba0eb1dcb0e44e0a7aa9d04b24397a7e5b3684530ffe7165997aaaa014d5d4e1 SHA512 7c401a5b100d85b5f674488ff2591034b974eae2ed02e878a21959e23a7682d090e377d5caa8d5508ceeb35f5750fedea36d2fdb3cf0997d5bc171410171ff82
 DIST vkd3d-proton-2.6.tar.gz 1271948 BLAKE2B 02d2574a66614613748fe3471a6fd5aac2650fdae15a17b17ea2ed028fa53a0579b866e7240036a26108afc343395826474bb99e015b9299c2abec811bb872ab SHA512 6f27d213652e2380a9ba4534ac9ffe4b752b4608fbc2e8acd273fa151ab19ad0b132e3436384d2b8591cd1a59f0b69d342c893dc3a64be85188b5e3274bcf3f1
+DIST vkd3d-proton-3.0.1.tar.xz 22916888 BLAKE2B 2bb5f2e65a5da7312d7cac0e09eca5b96b6477772f0e6faa5b4b80052072dcfe803b63dde0279ac104a286b30624dcc556ec363f7a6e645f30affce5eef21f35 SHA512 c548c69e2823a6e9189c8469154e6cf9a6f34dd9c93eda2b47986e4682d62d9a244adce4049439231c86fd02efe528ab0b71fb2e52afbba4c288e1037cea42b0
 DIST vkd3d-proton-3.0b.tar.xz 22435172 BLAKE2B d1d745dd66e74b4470c558019f70e7d2e686cdf68de9875366ef9323a61c0b9ff1482b3e50329a57d59f3c36198e38ea1a34b42f4f522584e986dde191a536bb SHA512 780aee4f2d7fce3fe075a0a0691892e55cd98e60f0bdb26ca57108dbeea28308745f70b4b40c79eb2d7c696ba291d0627eef5ad18c45302af099cd075bb20bee
 DIST vkd3d-proton-dxil-spirv-b537bbb91b.tar.gz 631130 BLAKE2B 99f40c5efde87d0af86542b427e5b0429be68ca69ba0c2b6d10a821811756d8dadff4449f268ae404f8ace09a91b3e8aaa135e534a77c0239e58c1a970a044cc SHA512 3c20090b7a1b53c30fd4967622fc7384e1bcc504c30d8075068b87dad1bd2c6f4a12459bf42e61bf76b9dd454ec17a9d529f74ab0d5583627e966d94bb341dc3
 DIST vkd3d-proton-spirv-headers-ae217c1780.tar.gz 415130 BLAKE2B 0c6444c4c1cb43b9c69757d7c2257ce2fe1bc6be308341f3189766f120994e4920bc738b737d9eefc299359dab568fb8809782e3663dd589c0e4d13aecb8873a SHA512 02cf1d63b29e48ef0efe489eb32237ba2f9f4bf58a182b00dc96aab18faba94de79283398e9e945cd81130f83fff228c59b04e496716ea9ccc148a5f4465282c
diff --git a/app-emulation/vkd3d-proton/vkd3d-proton-3.0.1.ebuild b/app-emulation/vkd3d-proton/vkd3d-proton-3.0.1.ebuild
new file mode 100644
index 0000000000000..a28b72a2e0abb
--- /dev/null
+++ b/app-emulation/vkd3d-proton/vkd3d-proton-3.0.1.ebuild
@@ -0,0 +1,157 @@
+# 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
+}