* if an X11 server is running. The NULL argument here optionally allows you
	 * to pass in a custom renderer if wlr_renderer doesn't meet your needs. The
	 * backend uses the renderer, for example, to fall back to software cursors
	 * if the backend does not support hardware cursors (some older GPUs
	 * don't). */

	 * if an X11 server is running. */

	/* Create a renderer with the default implementation */

	/* Autocreates a renderer, either Pixman, GLES2 or Vulkan for us. The user
	 * can also specify a renderer using the WLR_RENDERER env var.
	 * The renderer is responsible for defining the various pixel formats it
	 * supports for shared memory, this configures that for clients. */

	/* Create a default allocator */

	/* Autocreates an allocator for us.
	 * The allocator is the bridge between the renderer and the backend. It
	 * handles the buffer creation, allowing wlroots to render onto the
	 * screen */

	wlr_subcompositor_create(dpy);
	wlr_data_device_manager_create(dpy);

	wlr_data_device_manager_create(dpy);

	wlr_subcompositor_create(dpy);

	/* Set up our client lists and the xdg-shell. The xdg-shell is a

	/* Set up our client lists, the xdg-shell and the layer-shell. The xdg-shell is a

	xdg_shell = wlr_xdg_shell_create(dpy, 6);
	LISTEN_STATIC(&xdg_shell->events.new_surface, createnotify);

	layer_shell = wlr_layer_shell_v1_create(dpy, 3);
	LISTEN_STATIC(&layer_shell->events.new_surface, createlayersurface);

	layer_shell = wlr_layer_shell_v1_create(dpy, 3);
	LISTEN_STATIC(&layer_shell->events.new_surface, createlayersurface);
	xdg_shell = wlr_xdg_shell_create(dpy, 6);
	LISTEN_STATIC(&xdg_shell->events.new_surface, createnotify);

	 * moving the cursor around. More detail on this process is described in my
	 * input handling blog post:
	 *

	 * moving the cursor around. More detail on this process is described in