vulkan?
      ( media-libs/vulkan-loader )

!vulkan?
      ( gui-libs/wlroots:0.20[drm
            (+)
      ,libinput
            (+)
      ,x11-backend,X?
] )

vulkan?
      ( dev-libs/libliftoff media-libs/lcms:2 media-libs/libdisplay-info:= media-libs/mesa sys-auth/seatd:= x11-libs/libdrm x11-libs/xcb-util-errors x11-libs/xcb-util-renderutil x11-libs/xcb-util-wm )

dev-cpp/nlohmann_json
dev-libs/glib:2
dev-libs/libevdev
dev-libs/libinput:=
dev-libs/wayland
dev-libs/yyjson
>=dev-libs/wayland-protocols-1.12
gui-libs/wf-config:0/0.12
media-libs/glm
media-libs/libglvnd
media-libs/libjpeg-turbo:=
media-libs/libpng:=
virtual/libudev:=
x11-libs/cairo
x11-libs/libxkbcommon
x11-libs/pango
x11-libs/pixman

dbus?
      ( sys-apps/dbus )

X?
      ( x11-libs/libxcb:= )

x11-misc/xkeyboard-config

gui-libs/wlroots:0.20[drm
      (+)
,libinput
      (+)
,x11-backend,X?
]
dev-cpp/nlohmann_json
dev-libs/glib:2
dev-libs/libevdev
dev-libs/libinput:=
dev-libs/wayland
dev-libs/yyjson
>=dev-libs/wayland-protocols-1.12
gui-libs/wf-config:0/0.11
media-libs/glm
media-libs/libglvnd
media-libs/libjpeg-turbo:=
media-libs/libpng:=
virtual/libudev:=
x11-libs/cairo
x11-libs/libxkbcommon
x11-libs/pango
x11-libs/pixman

dbus?
      ( sys-apps/dbus )

X?
      ( x11-libs/libxcb:= )

x11-misc/xkeyboard-config

dev-cpp/nlohmann_json
dev-libs/glib:2
dev-libs/libevdev
dev-libs/libinput:=
dev-libs/wayland
dev-libs/yyjson
>=dev-libs/wayland-protocols-1.12
gui-libs/wf-config:0/0.10

gui-libs/wlroots:0.19[drm
      (+)
,libinput
      (+)
,x11-backend,X?
]
media-libs/glm
media-libs/libglvnd
media-libs/libjpeg-turbo:=
media-libs/libpng:=
media-libs/vulkan-loader
virtual/libudev:=
x11-libs/cairo
x11-libs/libxkbcommon
x11-libs/pango
x11-libs/pixman

dbus?
      ( sys-apps/dbus )

X?
      ( x11-libs/libxcb:= )

x11-misc/xkeyboard-config