Merged upstream (2735b578a8) with my first changes for the packaging of suyu. I kind of messed up and pushed without a commit. Womp womp

pkgs/applications/emulators/suyu/default.nix

@@ -0,0 +1,10 @@
+{ qt6Packages, makeScopeWithSplicing', generateSplicesForMkScope }:
+
+makeScopeWithSplicing' {
+  otherSplices = generateSplicesForMkScope "suyuPackages";
+  f = self: qt6Packages // {
+    nx_tzdb = self.callPackage ./nx_tzdb.nix {};
+
+    master = self.callPackage ./master.nix {};
+  };
+}

pkgs/applications/emulators/suyu/master.nix

@@ -0,0 +1,189 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, nix-update-script
+, wrapQtAppsHook
+, autoconf
+, boost
+, catch2_3
+, cmake
+, compat-list
+, cpp-jwt
+, cubeb
+, discord-rpc
+, enet
+, fmt
+, glslang
+, libopus
+, libusb1
+, libva
+, lz4
+, nlohmann_json
+, nv-codec-headers-12
+, nx_tzdb
+, pkg-config
+, qtbase
+, qtmultimedia
+, qttools
+, qtwayland
+, qtwebengine
+, SDL2
+, vulkan-headers
+, vulkan-loader
+, yasm
+, zlib
+, zstd
+}:
+stdenv.mkDerivation(finalAttrs: {
+  pname = "suyu";
+  version = "0.0.1";
+
+  src = fetchgit {
+    url = "https://git.suyu.dev/suyu/suyu";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-a742ec467cc00f1f9ed2fcf8ced98edf8c367cfd"
+  };
+
+  nativeBuildInputs = [
+    cmake
+    glslang
+    pkg-config
+    qttools
+    wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    # vulkan-headers must come first, so the older propagated versions
+    # don't get picked up by accident
+    vulkan-headers
+
+    boost
+    catch2_3
+    cpp-jwt
+    cubeb
+    discord-rpc
+    # intentionally omitted: dynarmic - prefer vendored version for compatibility
+    enet
+
+    # vendored ffmpeg deps
+    autoconf
+    yasm
+    libva  # for accelerated video decode on non-nvidia
+    nv-codec-headers-12  # for accelerated video decode on nvidia
+    # end vendored ffmpeg deps
+
+    fmt
+    # intentionally omitted: gamemode - loaded dynamically at runtime
+    # intentionally omitted: httplib - upstream requires an older version than what we have
+    libopus
+    libusb1
+    # intentionally omitted: LLVM - heavy, only used for stack traces in the debugger
+    lz4
+    nlohmann_json
+    qtbase
+    qtmultimedia
+    qtwayland
+    qtwebengine
+    # intentionally omitted: renderdoc - heavy, developer only
+    SDL2
+    # not packaged in nixpkgs: simpleini
+    # intentionally omitted: stb - header only libraries, vendor uses git snapshot
+    # not packaged in nixpkgs: vulkan-memory-allocator
+    # intentionally omitted: xbyak - prefer vendored version for compatibility
+    zlib
+    zstd
+  ];
+
+  # This changes `ir/opt` to `ir/var/empty` in `externals/dynarmic/src/dynarmic/CMakeLists.txt`
+  # making the build fail, as that path does not exist
+  dontFixCmake = true;
+
+  cmakeFlags = [
+    # actually has a noticeable performance impact
+    "-DSUYUENABLE_LTO=ON"
+
+    # build with qt6
+    "-DENABLE_QT6=ON"
+    "-DENABLE_QT_TRANSLATION=ON"
+
+    # use system libraries
+    # NB: "external" here means "from the externals/ directory in the source",
+    # so "off" means "use system"
+    "-DSUYUUSE_EXTERNAL_SDL2=OFF"
+    "-DSUYUUSE_EXTERNAL_VULKAN_HEADERS=OFF"
+
+    # don't use system ffmpeg, suyu uses internal APIs
+    "-DSUYUUSE_BUNDLED_FFMPEG=ON"
+
+    # don't check for missing submodules
+    "-DSUYUCHECK_SUBMODULES=OFF"
+
+    # enable some optional features
+    "-DSUYUUSE_QT_WEB_ENGINE=ON"
+    "-DSUYUUSE_QT_MULTIMEDIA=ON"
+    "-DUSE_DISCORD_PRESENCE=ON"
+
+    # We dont want to bother upstream with potentially outdated compat reports
+    "-DSUYUENABLE_COMPATIBILITY_REPORTING=OFF"
+    "-DENABLE_COMPATIBILITY_LIST_DOWNLOAD=OFF" # We provide this deterministically
+  ];
+
+  # Does some handrolled SIMD
+  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.hostPlatform.isx86_64 "-msse4.1";
+
+  # Fixes vulkan detection.
+  # FIXME: patchelf --add-rpath corrupts the binary for some reason, investigate
+  qtWrapperArgs = [
+    "--prefix LD_LIBRARY_PATH : ${vulkan-loader}/lib"
+  ];
+
+  preConfigure = ''
+    # see https://github.com/NixOS/nixpkgs/issues/114044, setting this through cmakeFlags does not work.
+    cmakeFlagsArray+=(
+      "-DTITLE_BAR_FORMAT_IDLE=${finalAttrs.pname} | ${finalAttrs.version} (nixpkgs) {}"
+      "-DTITLE_BAR_FORMAT_RUNNING=${finalAttrs.pname} | ${finalAttrs.version} (nixpkgs) | {}"
+    )
+
+    # provide pre-downloaded tz data
+    mkdir -p build/externals/nx_tzdb
+    ln -s ${nx_tzdb} build/externals/nx_tzdb/nx_tzdb
+  '';
+
+  # This must be done after cmake finishes as it overwrites the file
+  postConfigure = ''
+    ln -sf ${compat-list} ./dist/compatibility_list/compatibility_list.json
+  '';
+
+  postInstall = ''
+    install -Dm444 $src/dist/72-suyu-input.rules $out/lib/udev/rules.d/72-suyu-input.rules
+  '';
+
+  passthru.updateScript = nix-update-script {
+    extraArgs = [ "--version-regex" "mainline-0-(.*)" ];
+  };
+
+  meta = with lib; {
+    homepage = "https://suyu.dev";
+    changelog = "https://suyu.dev/blog";
+    description = "An experimental Nintendo Switch emulator written in C++";
+    longDescription = ''
+      An experimental Nintendo Switch emulator written in C++.
+      Using the master/ branch is recommended for general usage.
+      Using the dev branch is recommended if you would like to try out experimental features, with a cost of stability.
+    '';
+    mainProgram = "suyu";
+    platforms = [ "aarch64-linux" "x86_64-linux" ];
+    license = with licenses; [
+      gpl3Plus
+      # Icons
+      asl20 mit cc0
+    ];
+    maintainers = with maintainers; [
+      ashley
+      ivar
+      joshuafern
+      sbruder
+      k900
+    ];
+  };
+})

pkgs/applications/emulators/suyu/nx_tzdb.nix

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+{ stdenv, fetchurl, unzip, gitUpdater }:
+stdenv.mkDerivation rec {
+  pname = "nx_tzdb";
+  version = "221202";
+
+  src = fetchurl {
+    url = "https://github.com/lat9nq/tzdb_to_nx/releases/download/${version}/${version}.zip";
+    hash = "sha256-mRzW+iIwrU1zsxHmf+0RArU8BShAoEMvCz+McXFFK3c=";
+  };
+
+  nativeBuildInputs = [ unzip ];
+
+  buildCommand = ''
+    unzip $src -d $out
+  '';
+
+  passthru.updateScript = gitUpdater {
+    url = "https://github.com/lat9nq/tzdb_to_nx.git";
+  };
+}

pkgs/applications/emulators/suyu/update.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p nix-update
+#shellcheck shell=bash
+nix-update -u suyuPackages.nx_tzdb "$@"
+nix-update -u suyuPackages.compat-list "$@"
+nix-update -u suyuPackages.mainline "$@"
+nix-update -u suyuPackages.early-access --override-filename pkgs/applications/emulators/suyu/early-access/sources.nix "$@"