{ lib , stdenv , fetchFromGitHub , fetchpatch , substituteAll , coreutils , curl , gawk , glxinfo , gnugrep , gnused , pciutils , xdg-utils , dbus , hwdata , libX11 , mangohud32 , vulkan-headers , glslang , makeWrapper , meson , ninja , pkg-config , python3Packages , vulkan-loader , libXNVCtrl }: stdenv.mkDerivation rec { pname = "mangohud"; version = "0.6.1"; src = fetchFromGitHub { owner = "flightlessmango"; repo = "MangoHud"; rev = "v${version}"; sha256 = "1bzfp37qrx9kk5zaq7sfisgkyccwnxd7i3b1l0blfcy2lrxgx0n6"; fetchSubmodules = true; }; patches = [ # Adds option to specify Vulkan's datadir when it's not the same as MangoHud's # See https://github.com/flightlessmango/MangoHud/pull/522 (fetchpatch { url = "https://github.com/flightlessmango/MangoHud/commit/56682985d8cec711af7ad0841888a44099249b1b.patch"; sha256 = "0l5vb374lfgfh54jiy4097bzsccpv4zsl1fdhn55sxggklymcad8"; }) # 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 pciutils 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" ]; nativeBuildInputs = [ glslang makeWrapper meson ninja pkg-config python3Packages.Mako python3Packages.python vulkan-loader ]; buildInputs = [ dbus libX11 libXNVCtrl ]; # 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 overlaying Vulkan applications without requiring mangohud to be installed postFixup = '' wrapProgram "$out/bin/mangohud" \ --prefix VK_LAYER_PATH : "$out/share/vulkan/implicit_layer.d" \ --prefix VK_INSTANCE_LAYERS : VK_LAYER_MANGOHUD_overlay ''; 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; [ metadark zeratax ]; }; }