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# Maintainer: Jan Alexander Steffens (heftig) <jan.steffens@gmail.com>
# Maintainer: Ionut Biru <ibiru@archlinux.org>
# Contributor: Michael Kanis <mkanis_at_gmx_dot_de>

# Patched package maintainer: Saren Arterius <saren@wtako.net>
# Patch origin: https://gist.github.com/DeadMetaler/12622bf9415c1100f2d436ffbd6778c6

### BUILD OPTIONS
# Set these variables to ANYTHING that is not null to enable them

### Revert offending commit, recommanded to disable if not using NVIDIA
_revert=1


pkgname=mutter-781835-workaround
pkgver=3.32.0
pkgrel=3
pkgdesc="A window manager for GNOME. This package reverts a commit which may causes performance problems for nvidia driver users. Some performance patches also included."
url="https://gitlab.gnome.org/GNOME/mutter"
arch=(x86_64)
license=(GPL)
depends=(dconf gobject-introspection-runtime gsettings-desktop-schemas libcanberra
         startup-notification zenity libsm gnome-desktop upower libxkbcommon-x11
         gnome-settings-daemon libgudev libinput pipewire xorg-server-xwayland gnome-shell)
makedepends=(gobject-introspection git egl-wayland meson xorg-server)
checkdepends=(xorg-server-xvfb)
provides=(mutter)
conflicts=(mutter)
groups=(gnome)
_commit=efb1ee97308653a28ed4448b0c405e6faf2c4f40  # tags/3.32.0^0
source=("$pkgname::git+https://gitlab.gnome.org/GNOME/mutter.git#commit=$_commit"
         216.patch
        revert.patch)
sha256sums=('SKIP'
            'ed4f3cf738a3cffdf8a6e1a352bf24d74078c3b26fb9262c5746e0d95b9df756'
            '2d2e305e0a6cca087bb8164f81bdc0ae7a5ca8e9c13c81d7fd5252eb3563fc09')

pkgver() {
  cd $pkgname

  git describe --tags | sed 's/-/+/g'
}

prepare() {
  cd $pkgname

  ## Unmerged performance bits
  # Commented multiline comment start, remove the # below to disable the patches
  # : '


  # '
  # Commented multiline comment end, remove the # above if disabling the patches

  # Revert offending commit
  if [ -n "$_revert" ]; then
    patch -Np1 -i ../revert.patch
  fi

  # cogl-winsys-glx: Fix frame notification race/leak [performance]
  # https://gitlab.gnome.org/GNOME/mutter/merge_requests/216
  git apply -3 ../216.patch
}

build() {
  arch-meson $pkgname build \
   -D egl_device=true \
   -D wayland_eglstream=true \
   -D installed_tests=false
  ninja -C build
}

: ' not working atm
check() (
  mkdir -p -m 700 "${XDG_RUNTIME_DIR:=$PWD/runtime-dir}"
  glib-compile-schemas "${GSETTINGS_SCHEMA_DIR:=$PWD/build/data}"
  export XDG_RUNTIME_DIR GSETTINGS_SCHEMA_DIR

  dbus-run-session xvfb-run -s '+iglx -noreset' meson test -C build
)
'

package() {
  DESTDIR="$pkgdir" meson install -C build
}