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|
{ lib
, stdenv
, fetchFromGitHub
, fetchurl
, substituteAll
, coreutils
, curl
, gawk
, glxinfo
, gnugrep
, gnused
, lsof
, xdg-utils
, dbus
, hwdata
, libX11
, mangohud32
, vulkan-headers
, glslang
, makeWrapper
, meson
, ninja
, pkg-config
, python3Packages
, unzip
, vulkan-loader
, libXNVCtrl
, wayland
, spdlog
, addOpenGLRunpath
}:
let
# Derived from subprojects/imgui.wrap
imgui = rec {
version = "1.81";
src = fetchFromGitHub {
owner = "ocornut";
repo = "imgui";
rev = "v${version}";
hash = "sha256-rRkayXk3xz758v6vlMSaUu5fui6NR8Md3njhDB0gJ18=";
};
patch = fetchurl {
url = "https://wrapdb.mesonbuild.com/v2/imgui_${version}-1/get_patch";
hash = "sha256-bQC0QmkLalxdj4mDEdqvvOFtNwz2T1MpTDuMXGYeQ18=";
};
};
in stdenv.mkDerivation rec {
pname = "mangohud";
version = "0.6.7-1";
src = fetchFromGitHub {
owner = "flightlessmango";
repo = "MangoHud";
rev = "v${version}";
fetchSubmodules = true;
sha256 = "sha256-60cZYo+d679KRggLBGbpLYM5Iu1XySEEGp+MxZs6wF0=";
};
outputs = [ "out" "doc" "man" ];
# Unpack subproject sources
postUnpack = ''(
cd "$sourceRoot/subprojects"
cp -R --no-preserve=mode,ownership ${imgui.src} imgui-${imgui.version}
unzip ${imgui.patch}
)'';
patches = [
# Hard code dependencies. Can't use makeWrapper since the Vulkan
# layer can be used without the mangohud executable by setting MANGOHUD=1.
(substituteAll {
src = ./hardcode-dependencies.patch;
path = lib.makeBinPath [
coreutils
curl
gawk
glxinfo
gnugrep
gnused
lsof
xdg-utils
];
libdbus = dbus.lib;
inherit hwdata libX11;
})
] ++ lib.optional (stdenv.hostPlatform.system == "x86_64-linux") [
# Support 32bit OpenGL applications by appending the mangohud32
# lib path to LD_LIBRARY_PATH.
#
# This workaround is necessary since on Nix's build of ld.so, $LIB
# always expands to lib even when running an 32bit application.
#
# See https://github.com/NixOS/nixpkgs/issues/101597.
(substituteAll {
src = ./opengl32-nix-workaround.patch;
inherit mangohud32;
})
];
mesonFlags = [
"-Duse_system_vulkan=enabled"
"-Dvulkan_datadir=${vulkan-headers}/share"
"-Dwith_wayland=enabled"
"-Duse_system_spdlog=enabled"
];
nativeBuildInputs = [
glslang
makeWrapper
meson
ninja
pkg-config
python3Packages.Mako
python3Packages.python
unzip
vulkan-loader
];
buildInputs = [
dbus
libX11
libXNVCtrl
wayland
spdlog
];
# Support 32bit Vulkan applications by linking in 32bit Vulkan layer
# This is needed for the same reason the 32bit OpenGL workaround is needed.
postInstall = lib.optionalString (stdenv.hostPlatform.system == "x86_64-linux") ''
ln -s ${mangohud32}/share/vulkan/implicit_layer.d/MangoHud.json \
"$out/share/vulkan/implicit_layer.d/MangoHud.x86.json"
'';
# Support Nvidia cards by adding OpenGL path and support overlaying
# Vulkan applications without requiring MangoHud to be installed
postFixup = ''
wrapProgram "$out/bin/mangohud" \
--prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ addOpenGLRunpath.driverLink ]} \
--prefix XDG_DATA_DIRS : "$out/share"
'';
meta = with lib; {
description = "A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more";
homepage = "https://github.com/flightlessmango/MangoHud";
platforms = platforms.linux;
license = licenses.mit;
maintainers = with maintainers; [ kira-bruneau zeratax ];
};
}
|