76636ac12f
Right now if "-auth" isn't passed on the command line, we let any user on the system connect to the Xwayland server. That's clearly suboptimal, given Xwayland is generally designed to be used by one user at a time. This commit changes the behavior, so only the user who started the X server can connect clients to it. Signed-off-by: Ray Strode <rstrode@redhat.com> Reviewed-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> Signed-off-by: Keith Packard <keithp@keithp.com>
708 lines
20 KiB
C
708 lines
20 KiB
C
/*
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* Copyright © 2011-2014 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of the
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* copyright holders not be used in advertising or publicity
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* pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include "xwayland.h"
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#include <stdio.h>
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#include <selection.h>
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#include <micmap.h>
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#include <misyncshm.h>
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#include <compositeext.h>
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#include <glx_extinit.h>
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void
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ddxGiveUp(enum ExitCode error)
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{
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}
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void
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AbortDDX(enum ExitCode error)
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{
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ddxGiveUp(error);
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}
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void
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OsVendorInit(void)
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{
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}
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void
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OsVendorFatalError(const char *f, va_list args)
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{
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}
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#if defined(DDXBEFORERESET)
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void
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ddxBeforeReset(void)
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{
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return;
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}
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#endif
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void
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ddxUseMsg(void)
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{
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ErrorF("-rootless run rootless, requires wm support\n");
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ErrorF("-wm fd create X client for wm on given fd\n");
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ErrorF("-listen fd add give fd as a listen socket\n");
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}
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int
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ddxProcessArgument(int argc, char *argv[], int i)
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{
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if (strcmp(argv[i], "-rootless") == 0) {
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return 1;
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}
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else if (strcmp(argv[i], "-listen") == 0) {
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NoListenAll = TRUE;
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return 2;
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}
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else if (strcmp(argv[i], "-wm") == 0) {
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return 2;
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}
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else if (strcmp(argv[i], "-shm") == 0) {
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return 1;
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}
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return 0;
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}
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static DevPrivateKeyRec xwl_window_private_key;
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static DevPrivateKeyRec xwl_screen_private_key;
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static DevPrivateKeyRec xwl_pixmap_private_key;
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struct xwl_screen *
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xwl_screen_get(ScreenPtr screen)
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{
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return dixLookupPrivate(&screen->devPrivates, &xwl_screen_private_key);
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}
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static Bool
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xwl_close_screen(ScreenPtr screen)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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struct xwl_output *xwl_output, *next_xwl_output;
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struct xwl_seat *xwl_seat, *next_xwl_seat;
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xorg_list_for_each_entry_safe(xwl_output, next_xwl_output,
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&xwl_screen->output_list, link)
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xwl_output_destroy(xwl_output);
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xorg_list_for_each_entry_safe(xwl_seat, next_xwl_seat,
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&xwl_screen->seat_list, link)
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xwl_seat_destroy(xwl_seat);
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wl_display_disconnect(xwl_screen->display);
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screen->CloseScreen = xwl_screen->CloseScreen;
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free(xwl_screen);
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return screen->CloseScreen(screen);
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}
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static void
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damage_report(DamagePtr pDamage, RegionPtr pRegion, void *data)
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{
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struct xwl_window *xwl_window = data;
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struct xwl_screen *xwl_screen = xwl_window->xwl_screen;
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xorg_list_add(&xwl_window->link_damage, &xwl_screen->damage_window_list);
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}
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static void
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damage_destroy(DamagePtr pDamage, void *data)
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{
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}
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static void
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shell_surface_ping(void *data,
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struct wl_shell_surface *shell_surface, uint32_t serial)
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{
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wl_shell_surface_pong(shell_surface, serial);
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}
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static void
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shell_surface_configure(void *data,
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struct wl_shell_surface *wl_shell_surface,
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uint32_t edges, int32_t width, int32_t height)
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{
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}
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static void
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shell_surface_popup_done(void *data, struct wl_shell_surface *wl_shell_surface)
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{
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}
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static const struct wl_shell_surface_listener shell_surface_listener = {
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shell_surface_ping,
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shell_surface_configure,
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shell_surface_popup_done
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};
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void
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xwl_pixmap_set_private(PixmapPtr pixmap, struct xwl_pixmap *xwl_pixmap)
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{
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dixSetPrivate(&pixmap->devPrivates, &xwl_pixmap_private_key, xwl_pixmap);
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}
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struct xwl_pixmap *
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xwl_pixmap_get(PixmapPtr pixmap)
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{
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return dixLookupPrivate(&pixmap->devPrivates, &xwl_pixmap_private_key);
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}
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static void
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send_surface_id_event(struct xwl_window *xwl_window)
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{
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static const char atom_name[] = "WL_SURFACE_ID";
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static Atom type_atom;
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DeviceIntPtr dev;
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xEvent e;
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if (type_atom == None)
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type_atom = MakeAtom(atom_name, strlen(atom_name), TRUE);
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e.u.u.type = ClientMessage;
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e.u.u.detail = 32;
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e.u.clientMessage.window = xwl_window->window->drawable.id;
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e.u.clientMessage.u.l.type = type_atom;
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e.u.clientMessage.u.l.longs0 =
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wl_proxy_get_id((struct wl_proxy *) xwl_window->surface);
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e.u.clientMessage.u.l.longs1 = 0;
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e.u.clientMessage.u.l.longs2 = 0;
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e.u.clientMessage.u.l.longs3 = 0;
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e.u.clientMessage.u.l.longs4 = 0;
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dev = PickPointer(serverClient);
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DeliverEventsToWindow(dev, xwl_window->xwl_screen->screen->root,
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&e, 1, SubstructureRedirectMask, NullGrab);
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}
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static Bool
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xwl_realize_window(WindowPtr window)
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{
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ScreenPtr screen = window->drawable.pScreen;
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struct xwl_screen *xwl_screen;
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struct xwl_window *xwl_window;
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struct wl_region *region;
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Bool ret;
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xwl_screen = xwl_screen_get(screen);
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screen->RealizeWindow = xwl_screen->RealizeWindow;
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ret = (*screen->RealizeWindow) (window);
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xwl_screen->RealizeWindow = screen->RealizeWindow;
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screen->RealizeWindow = xwl_realize_window;
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if (xwl_screen->rootless && !window->parent) {
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RegionNull(&window->clipList);
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RegionNull(&window->borderClip);
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RegionNull(&window->winSize);
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}
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if (xwl_screen->rootless) {
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if (window->redirectDraw != RedirectDrawManual)
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return ret;
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}
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else {
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if (window->parent)
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return ret;
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}
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xwl_window = calloc(sizeof *xwl_window, 1);
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xwl_window->xwl_screen = xwl_screen;
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xwl_window->window = window;
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xwl_window->surface = wl_compositor_create_surface(xwl_screen->compositor);
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if (xwl_window->surface == NULL) {
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ErrorF("wl_display_create_surface failed\n");
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return FALSE;
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}
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if (!xwl_screen->rootless) {
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xwl_window->shell_surface =
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wl_shell_get_shell_surface(xwl_screen->shell, xwl_window->surface);
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wl_shell_surface_add_listener(xwl_window->shell_surface,
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&shell_surface_listener, xwl_window);
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wl_shell_surface_set_toplevel(xwl_window->shell_surface);
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region = wl_compositor_create_region(xwl_screen->compositor);
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wl_region_add(region, 0, 0,
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window->drawable.width, window->drawable.height);
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wl_surface_set_opaque_region(xwl_window->surface, region);
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wl_region_destroy(region);
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}
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wl_display_flush(xwl_screen->display);
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send_surface_id_event(xwl_window);
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wl_surface_set_user_data(xwl_window->surface, xwl_window);
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dixSetPrivate(&window->devPrivates, &xwl_window_private_key, xwl_window);
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xwl_window->damage =
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DamageCreate(damage_report, damage_destroy, DamageReportNonEmpty,
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FALSE, screen, xwl_window);
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DamageRegister(&window->drawable, xwl_window->damage);
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DamageSetReportAfterOp(xwl_window->damage, TRUE);
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xorg_list_init(&xwl_window->link_damage);
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return ret;
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}
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static Bool
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xwl_unrealize_window(WindowPtr window)
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{
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ScreenPtr screen = window->drawable.pScreen;
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struct xwl_screen *xwl_screen;
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struct xwl_window *xwl_window;
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struct xwl_seat *xwl_seat;
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Bool ret;
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xwl_screen = xwl_screen_get(screen);
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xorg_list_for_each_entry(xwl_seat, &xwl_screen->seat_list, link) {
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if (!xwl_seat->focus_window)
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continue;
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if (xwl_seat->focus_window->window == window)
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xwl_seat->focus_window = NULL;
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}
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screen->UnrealizeWindow = xwl_screen->UnrealizeWindow;
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ret = (*screen->UnrealizeWindow) (window);
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xwl_screen->UnrealizeWindow = screen->UnrealizeWindow;
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screen->UnrealizeWindow = xwl_unrealize_window;
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xwl_window =
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dixLookupPrivate(&window->devPrivates, &xwl_window_private_key);
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if (!xwl_window)
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return ret;
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wl_surface_destroy(xwl_window->surface);
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if (RegionNotEmpty(DamageRegion(xwl_window->damage)))
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xorg_list_del(&xwl_window->link_damage);
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DamageUnregister(xwl_window->damage);
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DamageDestroy(xwl_window->damage);
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if (xwl_window->frame_callback)
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wl_callback_destroy(xwl_window->frame_callback);
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free(xwl_window);
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dixSetPrivate(&window->devPrivates, &xwl_window_private_key, NULL);
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return ret;
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}
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static Bool
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xwl_save_screen(ScreenPtr pScreen, int on)
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{
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return TRUE;
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}
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static void
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frame_callback(void *data,
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struct wl_callback *callback,
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uint32_t time)
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{
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struct xwl_window *xwl_window = data;
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xwl_window->frame_callback = NULL;
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}
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static const struct wl_callback_listener frame_listener = {
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frame_callback
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};
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static void
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xwl_screen_post_damage(struct xwl_screen *xwl_screen)
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{
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struct xwl_window *xwl_window, *next_xwl_window;
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RegionPtr region;
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BoxPtr box;
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struct wl_buffer *buffer;
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PixmapPtr pixmap;
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xorg_list_for_each_entry_safe(xwl_window, next_xwl_window,
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&xwl_screen->damage_window_list, link_damage) {
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/* If we're waiting on a frame callback from the server,
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* don't attach a new buffer. */
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if (xwl_window->frame_callback)
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continue;
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region = DamageRegion(xwl_window->damage);
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pixmap = (*xwl_screen->screen->GetWindowPixmap) (xwl_window->window);
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#if GLAMOR_HAS_GBM
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if (xwl_screen->glamor)
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buffer = xwl_glamor_pixmap_get_wl_buffer(pixmap);
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#endif
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if (!xwl_screen->glamor)
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buffer = xwl_shm_pixmap_get_wl_buffer(pixmap);
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wl_surface_attach(xwl_window->surface, buffer, 0, 0);
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box = RegionExtents(region);
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wl_surface_damage(xwl_window->surface, box->x1, box->y1,
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box->x2 - box->x1, box->y2 - box->y1);
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xwl_window->frame_callback = wl_surface_frame(xwl_window->surface);
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wl_callback_add_listener(xwl_window->frame_callback, &frame_listener, xwl_window);
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wl_surface_commit(xwl_window->surface);
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DamageEmpty(xwl_window->damage);
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xorg_list_del(&xwl_window->link_damage);
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}
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}
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static void
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registry_global(void *data, struct wl_registry *registry, uint32_t id,
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const char *interface, uint32_t version)
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{
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struct xwl_screen *xwl_screen = data;
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if (strcmp(interface, "wl_compositor") == 0) {
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xwl_screen->compositor =
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wl_registry_bind(registry, id, &wl_compositor_interface, 1);
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}
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else if (strcmp(interface, "wl_shm") == 0) {
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xwl_screen->shm = wl_registry_bind(registry, id, &wl_shm_interface, 1);
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}
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else if (strcmp(interface, "wl_shell") == 0) {
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xwl_screen->shell =
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wl_registry_bind(registry, id, &wl_shell_interface, 1);
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}
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else if (strcmp(interface, "wl_output") == 0 && version >= 2) {
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xwl_output_create(xwl_screen, id);
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xwl_screen->expecting_event++;
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}
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#ifdef GLAMOR_HAS_GBM
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else if (xwl_screen->glamor &&
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strcmp(interface, "wl_drm") == 0 && version >= 2) {
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xwl_screen_init_glamor(xwl_screen, id, version);
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}
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#endif
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}
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static void
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global_remove(void *data, struct wl_registry *registry, uint32_t name)
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{
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/* Nothing to do here, wl_compositor and wl_shm should not be removed */
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}
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static const struct wl_registry_listener registry_listener = {
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registry_global,
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global_remove
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};
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static void
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wakeup_handler(void *data, int err, void *read_mask)
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{
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struct xwl_screen *xwl_screen = data;
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int ret;
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if (err < 0)
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return;
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if (!FD_ISSET(xwl_screen->wayland_fd, (fd_set *) read_mask))
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return;
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ret = wl_display_read_events(xwl_screen->display);
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if (ret == -1)
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FatalError("failed to dispatch Wayland events: %s\n", strerror(errno));
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xwl_screen->prepare_read = 0;
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ret = wl_display_dispatch_pending(xwl_screen->display);
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if (ret == -1)
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FatalError("failed to dispatch Wayland events: %s\n", strerror(errno));
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}
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static void
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block_handler(void *data, struct timeval **tv, void *read_mask)
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{
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struct xwl_screen *xwl_screen = data;
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int ret;
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xwl_screen_post_damage(xwl_screen);
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while (xwl_screen->prepare_read == 0 &&
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wl_display_prepare_read(xwl_screen->display) == -1) {
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ret = wl_display_dispatch_pending(xwl_screen->display);
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if (ret == -1)
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FatalError("failed to dispatch Wayland events: %s\n",
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strerror(errno));
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}
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xwl_screen->prepare_read = 1;
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ret = wl_display_flush(xwl_screen->display);
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if (ret == -1)
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FatalError("failed to write to XWayland fd: %s\n", strerror(errno));
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}
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static CARD32
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add_client_fd(OsTimerPtr timer, CARD32 time, void *arg)
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{
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struct xwl_screen *xwl_screen = arg;
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if (!AddClientOnOpenFD(xwl_screen->wm_fd))
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FatalError("Failed to add wm client\n");
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TimerFree(timer);
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return 0;
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}
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static void
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listen_on_fds(struct xwl_screen *xwl_screen)
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{
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int i;
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for (i = 0; i < xwl_screen->listen_fd_count; i++)
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ListenOnOpenFD(xwl_screen->listen_fds[i], FALSE);
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}
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static void
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wm_selection_callback(CallbackListPtr *p, void *data, void *arg)
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{
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SelectionInfoRec *info = arg;
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struct xwl_screen *xwl_screen = data;
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static const char atom_name[] = "WM_S0";
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static Atom atom_wm_s0;
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if (atom_wm_s0 == None)
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atom_wm_s0 = MakeAtom(atom_name, strlen(atom_name), TRUE);
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if (info->selection->selection != atom_wm_s0 ||
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info->kind != SelectionSetOwner)
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return;
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listen_on_fds(xwl_screen);
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DeleteCallback(&SelectionCallback, wm_selection_callback, xwl_screen);
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}
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static Bool
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xwl_screen_init(ScreenPtr pScreen, int argc, char **argv)
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{
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struct xwl_screen *xwl_screen;
|
|
Pixel red_mask, blue_mask, green_mask;
|
|
int ret, bpc, green_bpc, i;
|
|
|
|
xwl_screen = calloc(sizeof *xwl_screen, 1);
|
|
if (xwl_screen == NULL)
|
|
return FALSE;
|
|
xwl_screen->wm_fd = -1;
|
|
|
|
if (!dixRegisterPrivateKey(&xwl_screen_private_key, PRIVATE_SCREEN, 0))
|
|
return FALSE;
|
|
if (!dixRegisterPrivateKey(&xwl_window_private_key, PRIVATE_WINDOW, 0))
|
|
return FALSE;
|
|
if (!dixRegisterPrivateKey(&xwl_pixmap_private_key, PRIVATE_PIXMAP, 0))
|
|
return FALSE;
|
|
|
|
dixSetPrivate(&pScreen->devPrivates, &xwl_screen_private_key, xwl_screen);
|
|
xwl_screen->screen = pScreen;
|
|
|
|
#ifdef GLAMOR_HAS_GBM
|
|
xwl_screen->glamor = 1;
|
|
#endif
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
if (strcmp(argv[i], "-rootless") == 0) {
|
|
xwl_screen->rootless = 1;
|
|
}
|
|
else if (strcmp(argv[i], "-wm") == 0) {
|
|
xwl_screen->wm_fd = atoi(argv[i + 1]);
|
|
i++;
|
|
TimerSet(NULL, 0, 1, add_client_fd, xwl_screen);
|
|
}
|
|
else if (strcmp(argv[i], "-listen") == 0) {
|
|
if (xwl_screen->listen_fd_count ==
|
|
ARRAY_SIZE(xwl_screen->listen_fds))
|
|
FatalError("Too many -listen arguments given, max is %ld\n",
|
|
ARRAY_SIZE(xwl_screen->listen_fds));
|
|
|
|
xwl_screen->listen_fds[xwl_screen->listen_fd_count++] =
|
|
atoi(argv[i + 1]);
|
|
i++;
|
|
}
|
|
else if (strcmp(argv[i], "-shm") == 0) {
|
|
xwl_screen->glamor = 0;
|
|
}
|
|
}
|
|
|
|
if (xwl_screen->listen_fd_count > 0) {
|
|
if (xwl_screen->wm_fd >= 0)
|
|
AddCallback(&SelectionCallback, wm_selection_callback, xwl_screen);
|
|
else
|
|
listen_on_fds(xwl_screen);
|
|
}
|
|
|
|
xorg_list_init(&xwl_screen->output_list);
|
|
xorg_list_init(&xwl_screen->seat_list);
|
|
xorg_list_init(&xwl_screen->damage_window_list);
|
|
xwl_screen->depth = 24;
|
|
|
|
xwl_screen->display = wl_display_connect(NULL);
|
|
if (xwl_screen->display == NULL) {
|
|
ErrorF("could not connect to wayland server\n");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!xwl_screen_init_output(xwl_screen))
|
|
return FALSE;
|
|
|
|
xwl_screen->expecting_event = 0;
|
|
xwl_screen->registry = wl_display_get_registry(xwl_screen->display);
|
|
wl_registry_add_listener(xwl_screen->registry,
|
|
®istry_listener, xwl_screen);
|
|
ret = wl_display_roundtrip(xwl_screen->display);
|
|
if (ret == -1) {
|
|
ErrorF("could not connect to wayland server\n");
|
|
return FALSE;
|
|
}
|
|
|
|
while (xwl_screen->expecting_event > 0)
|
|
wl_display_roundtrip(xwl_screen->display);
|
|
|
|
bpc = xwl_screen->depth / 3;
|
|
green_bpc = xwl_screen->depth - 2 * bpc;
|
|
blue_mask = (1 << bpc) - 1;
|
|
green_mask = ((1 << green_bpc) - 1) << bpc;
|
|
red_mask = blue_mask << (green_bpc + bpc);
|
|
|
|
miSetVisualTypesAndMasks(xwl_screen->depth,
|
|
((1 << TrueColor) | (1 << DirectColor)),
|
|
green_bpc, TrueColor,
|
|
red_mask, green_mask, blue_mask);
|
|
|
|
miSetPixmapDepths();
|
|
|
|
ret = fbScreenInit(pScreen, NULL,
|
|
xwl_screen->width, xwl_screen->height,
|
|
96, 96, 0,
|
|
BitsPerPixel(xwl_screen->depth));
|
|
if (!ret)
|
|
return FALSE;
|
|
|
|
fbPictureInit(pScreen, 0, 0);
|
|
|
|
#ifdef HAVE_XSHMFENCE
|
|
if (!miSyncShmScreenInit(pScreen))
|
|
return FALSE;
|
|
#endif
|
|
|
|
xwl_screen->wayland_fd = wl_display_get_fd(xwl_screen->display);
|
|
AddGeneralSocket(xwl_screen->wayland_fd);
|
|
RegisterBlockAndWakeupHandlers(block_handler, wakeup_handler, xwl_screen);
|
|
|
|
pScreen->SaveScreen = xwl_save_screen;
|
|
|
|
pScreen->blackPixel = 0;
|
|
pScreen->whitePixel = 1;
|
|
|
|
ret = fbCreateDefColormap(pScreen);
|
|
|
|
if (!xwl_screen_init_cursor(xwl_screen))
|
|
return FALSE;
|
|
|
|
#ifdef GLAMOR_HAS_GBM
|
|
if (xwl_screen->glamor && !xwl_glamor_init(xwl_screen)) {
|
|
ErrorF("Failed to initialize glamor, falling back to sw\n");
|
|
xwl_screen->glamor = 0;
|
|
}
|
|
#endif
|
|
|
|
if (!xwl_screen->glamor) {
|
|
xwl_screen->CreateScreenResources = pScreen->CreateScreenResources;
|
|
pScreen->CreateScreenResources = xwl_shm_create_screen_resources;
|
|
pScreen->CreatePixmap = xwl_shm_create_pixmap;
|
|
pScreen->DestroyPixmap = xwl_shm_destroy_pixmap;
|
|
}
|
|
|
|
xwl_screen->RealizeWindow = pScreen->RealizeWindow;
|
|
pScreen->RealizeWindow = xwl_realize_window;
|
|
|
|
xwl_screen->UnrealizeWindow = pScreen->UnrealizeWindow;
|
|
pScreen->UnrealizeWindow = xwl_unrealize_window;
|
|
|
|
xwl_screen->CloseScreen = pScreen->CloseScreen;
|
|
pScreen->CloseScreen = xwl_close_screen;
|
|
|
|
return ret;
|
|
}
|
|
|
|
_X_NORETURN
|
|
static void _X_ATTRIBUTE_PRINTF(1, 0)
|
|
xwl_log_handler(const char *format, va_list args)
|
|
{
|
|
char msg[256];
|
|
|
|
vsnprintf(msg, sizeof msg, format, args);
|
|
FatalError("%s", msg);
|
|
}
|
|
|
|
static const ExtensionModule xwayland_extensions[] = {
|
|
#ifdef GLXEXT
|
|
{ GlxExtensionInit, "GLX", &noGlxExtension },
|
|
#endif
|
|
};
|
|
|
|
void
|
|
InitOutput(ScreenInfo * screen_info, int argc, char **argv)
|
|
{
|
|
int depths[] = { 1, 4, 8, 15, 16, 24, 32 };
|
|
int bpp[] = { 1, 8, 8, 16, 16, 32, 32 };
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(depths); i++) {
|
|
screen_info->formats[i].depth = depths[i];
|
|
screen_info->formats[i].bitsPerPixel = bpp[i];
|
|
screen_info->formats[i].scanlinePad = BITMAP_SCANLINE_PAD;
|
|
}
|
|
|
|
screen_info->imageByteOrder = IMAGE_BYTE_ORDER;
|
|
screen_info->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
|
|
screen_info->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
|
|
screen_info->bitmapBitOrder = BITMAP_BIT_ORDER;
|
|
screen_info->numPixmapFormats = ARRAY_SIZE(depths);
|
|
|
|
LoadExtensionList(xwayland_extensions,
|
|
ARRAY_SIZE(xwayland_extensions), FALSE);
|
|
|
|
/* Cast away warning from missing printf annotation for
|
|
* wl_log_func_t. Wayland 1.5 will have the annotation, so we can
|
|
* remove the cast and require that when it's released. */
|
|
wl_log_set_handler_client((void *) xwl_log_handler);
|
|
|
|
if (AddScreen(xwl_screen_init, argc, argv) == -1) {
|
|
FatalError("Couldn't add screen\n");
|
|
}
|
|
|
|
LocalAccessScopeUser();
|
|
}
|