--- /dev/null
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit flag-o-matic python-single-r1 meson-multilib
+
+MY_PV=$(ver_cut 1-3)
+[[ -n "$(ver_cut 4)" ]] && MY_PV_REV="-$(ver_cut 4)"
+
+DESCRIPTION="Vulkan and OpenGL overlay for monitoring FPS, sensors, system load and more"
+HOMEPAGE="https://github.com/flightlessmango/MangoHud"
+
+VK_HEADERS_VER="1.2.158"
+VK_HEADERS_MESON_WRAP_VER="2"
+
+SRC_URI="
+ https://github.com/KhronosGroup/Vulkan-Headers/archive/v${VK_HEADERS_VER}.tar.gz
+ -> vulkan-headers-${VK_HEADERS_VER}.tar.gz
+ https://wrapdb.mesonbuild.com/v2/vulkan-headers_${VK_HEADERS_VER}-${VK_HEADERS_MESON_WRAP_VER}/get_patch
+ -> vulkan-headers-${VK_HEADERS_VER}-${VK_HEADERS_MESON_WRAP_VER}-meson-wrap.zip
+"
+
+if [[ ${PV} == 9999 ]]; then
+ inherit git-r3
+ EGIT_REPO_URI="https://github.com/flightlessmango/MangoHud.git"
+else
+ SRC_URI+="
+ https://github.com/flightlessmango/MangoHud/archive/v${MY_PV}${MY_PV_REV}.tar.gz
+ -> ${P}.tar.gz
+ "
+ KEYWORDS="~amd64"
+ S="${WORKDIR}/MangoHud-${PV}"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+IUSE="+dbus debug +X xnvctrl wayland mangoapp mangohudctl mangoplot video_cards_nvidia video_cards_amdgpu test"
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="
+ ${PYTHON_REQUIRED_USE}
+ || ( X wayland )
+ xnvctrl? ( video_cards_nvidia )
+"
+
+BDEPEND="
+ app-arch/unzip
+ >=dev-util/vulkan-headers-1.2.158
+ test? ( dev-util/cmocka )
+ $(python_gen_cond_dep 'dev-python/mako[${PYTHON_USEDEP}]')
+"
+
+RDEPEND="
+ ${PYTHON_DEPS}
+ =media-libs/imgui-1.89.9*[opengl,vulkan,${MULTILIB_USEDEP}]
+ =media-libs/implot-0.16*[${MULTILIB_USEDEP}]
+ dev-libs/spdlog[${MULTILIB_USEDEP}]
+ dev-libs/libfmt[${MULTILIB_USEDEP}]
+ dev-cpp/nlohmann_json
+ dev-util/glslang
+ media-fonts/lato
+ media-libs/vulkan-loader[${MULTILIB_USEDEP}]
+ media-libs/libglvnd[${MULTILIB_USEDEP}]
+ x11-libs/libdrm[${MULTILIB_USEDEP}]
+ dbus? ( sys-apps/dbus[${MULTILIB_USEDEP}] )
+ X? ( x11-libs/libX11[${MULTILIB_USEDEP}] )
+ video_cards_nvidia? (
+ x11-drivers/nvidia-drivers[${MULTILIB_USEDEP}]
+ xnvctrl? ( x11-drivers/nvidia-drivers[static-libs] )
+ )
+ wayland? ( dev-libs/wayland[${MULTILIB_USEDEP}] )
+ mangoapp? (
+ =media-libs/imgui-1.89.9*[glfw]
+ media-libs/glfw[X(+)]
+ media-libs/glew
+ )
+ mangoplot? ( $(python_gen_cond_dep '
+ || (
+ dev-python/matplotlib[gtk3,${PYTHON_USEDEP}]
+ dev-python/matplotlib[qt5,${PYTHON_USEDEP}]
+ dev-python/matplotlib[wxwidgets,${PYTHON_USEDEP}]
+ )
+ ') )
+"
+
+src_unpack() {
+
+ default
+
+ [[ -n "${MY_PV_REV}" ]] && ( mv "${WORKDIR}/MangoHud-${MY_PV}${MY_PV_REV}" "${WORKDIR}/MangoHud-${PV}" || die )
+
+ if [[ $PV == 9999 ]]; then
+ git-r3_src_unpack
+ fi
+
+ unpack vulkan-headers-${VK_HEADERS_VER}.tar.gz
+ unpack vulkan-headers-${VK_HEADERS_VER}-${VK_HEADERS_MESON_WRAP_VER}-meson-wrap.zip
+ mv "${WORKDIR}/Vulkan-Headers-${VK_HEADERS_VER}" "${S}/subprojects/" || die
+}
+
+src_prepare() {
+ default
+ # replace all occurences of "#include <imgui.h>" to "#include <imgui/imgui.h>"
+ find . -type f -exec sed -i 's|<imgui.h>|<imgui/imgui.h>|g' {} \; || die
+ find . -type f -exec sed -i 's|"imgui.h"|<imgui/imgui.h>|g' {} \; || die
+ find . -type f -exec sed -i 's|<imgui_internal.h>|<imgui/imgui_internal.h>|g' {} \; || die
+ find . -type f -exec sed -i 's|"imgui_internal.h"|<imgui/imgui_internal.h>|g' {} \; || die
+ find . -type f -exec sed -i 's|"imgui_impl_glfw.h"|<imgui/imgui_impl_glfw.h>|g' {} \; || die
+ find . -type f -exec sed -i 's|"imgui_impl_opengl3.h"|<imgui/imgui_impl_opengl3.h>|g' {} \; || die
+}
+
+multilib_src_configure() {
+ # workaround for lld
+ # https://github.com/flightlessmango/MangoHud/issues/1240
+ append-ldflags $(test-flags-CCLD -Wl,--undefined-version)
+
+ local emesonargs=(
+ -Dappend_libdir_mangohud=false
+ -Dinclude_doc=false
+ -Duse_system_spdlog=enabled
+ $(meson_feature video_cards_nvidia with_nvml)
+ $(meson_feature xnvctrl with_xnvctrl)
+ $(meson_feature X with_x11)
+ $(meson_feature wayland with_wayland)
+ $(meson_feature dbus with_dbus)
+ $(meson_use mangoapp mangoapp)
+ $(meson_use mangoapp mangoapp_layer)
+ $(meson_use mangohudctl mangohudctl)
+ $(meson_feature mangoplot mangoplot)
+ )
+ meson_src_configure
+}
+
+pkg_postinst() {
+ if ! use xnvctrl; then
+ einfo ""
+ einfo "If mangohud can't get GPU load, or other GPU information,"
+ einfo "and you have an older Nvidia device."
+ einfo ""
+ einfo "Try enabling the 'xnvctrl' useflag."
+ einfo ""
+ fi
+}
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