BOOL
PRESENTCheckExtension(Display *dpy, int major, int minor)
{
xcb_connection_t *xcb_connection = XGetXCBConnection(dpy);
xcb_present_query_version_cookie_t present_cookie;
xcb_present_query_version_reply_t *present_reply;
xcb_generic_error_t *error;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data(xcb_connection, &xcb_present_id);
extension = xcb_get_extension_data(xcb_connection, &xcb_present_id);
if (!(extension && extension->present)) {
ERR("PRESENT extension is not present\n");
return FALSE;
}
present_cookie = xcb_present_query_version(xcb_connection, major, minor);
present_reply = xcb_present_query_version_reply(xcb_connection, present_cookie, &error);
if (!present_reply) {
free(error);
ERR("Issue getting requested version of PRESENT: %d,%d\n", major, minor);
return FALSE;
}
TRACE("PRESENT version %d,%d found. %d %d requested\n", major, minor, (int)present_reply->major_version, (int)present_reply->minor_version);
free(present_reply);
return TRUE;
}
FdoSelectionManager::FdoSelectionManager():
QObject(),
m_selectionOwner(new KSelectionOwner(Xcb::atoms->selectionAtom, -1, this))
{
qCDebug(SNIPROXY) << "starting";
//load damage extension
xcb_connection_t *c = QX11Info::connection();
xcb_prefetch_extension_data(c, &xcb_damage_id);
const auto *reply = xcb_get_extension_data(c, &xcb_damage_id);
if (reply->present) {
m_damageEventBase = reply->first_event;
xcb_damage_query_version_unchecked(c, XCB_DAMAGE_MAJOR_VERSION, XCB_DAMAGE_MINOR_VERSION);
} else {
//no XDamage means
qCCritical(SNIPROXY) << "could not load damage extension. Quitting";
qApp->exit(-1);
}
qApp->installNativeEventFilter(this);
m_selectionOwner->claim(false);
connect(m_selectionOwner, &KSelectionOwner::claimedOwnership, this, &FdoSelectionManager::onClaimedOwnership);
connect(m_selectionOwner, &KSelectionOwner::failedToClaimOwnership, this, &FdoSelectionManager::onFailedToClaimOwnership);
connect(m_selectionOwner, &KSelectionOwner::lostOwnership, this, &FdoSelectionManager::onLostOwnership);
}
void
_ecore_xcb_input_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_XINPUT
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_input_id);
#endif
}
void
_ecore_xcb_screensaver_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_SCREENSAVER
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_screensaver_id);
#endif
}
void
_ecore_xcb_gesture_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_XGESTURE
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_gesture_id);
#endif
}
void
_ecore_xcb_render_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_RENDER
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_render_id);
#endif
}
void
_ecore_xcb_composite_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
#ifdef ECORE_XCB_COMPOSITE
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_composite_id);
#endif
}
bool QXcbConnection::hasSupportForDri2() const
{
if (!m_dri2_support_probed) {
xcb_generic_error_t *error = 0;
xcb_prefetch_extension_data (m_connection, &xcb_xfixes_id);
xcb_prefetch_extension_data (m_connection, &xcb_dri2_id);
xcb_xfixes_query_version_cookie_t xfixes_query_cookie = xcb_xfixes_query_version(m_connection,
XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);
xcb_dri2_query_version_cookie_t dri2_query_cookie = xcb_dri2_query_version (m_connection,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
xcb_xfixes_query_version_reply_t *xfixes_query = xcb_xfixes_query_version_reply (m_connection,
xfixes_query_cookie, &error);
if (!xfixes_query || error || xfixes_query->major_version < 2) {
delete error;
delete xfixes_query;
return false;
}
delete xfixes_query;
xcb_dri2_query_version_reply_t *dri2_query = xcb_dri2_query_version_reply (m_connection,
dri2_query_cookie, &error);
if (!dri2_query || error) {
delete error;
delete dri2_query;
return false;
}
QXcbConnection *that = const_cast<QXcbConnection *>(this);
that->m_dri2_major = dri2_query->major_version;
that->m_dri2_minor = dri2_query->minor_version;
that->m_has_support_for_dri2 = true;
that->m_dri2_support_probed = true;
}
return m_has_support_for_dri2;
}
BOOL
DRI3CheckExtension(Display *dpy, int major, int minor)
{
xcb_connection_t *xcb_connection = XGetXCBConnection(dpy);
xcb_dri3_query_version_cookie_t dri3_cookie;
xcb_dri3_query_version_reply_t *dri3_reply;
xcb_generic_error_t *error;
const xcb_query_extension_reply_t *extension;
int fd;
xcb_prefetch_extension_data(xcb_connection, &xcb_dri3_id);
extension = xcb_get_extension_data(xcb_connection, &xcb_dri3_id);
if (!(extension && extension->present)) {
ERR("DRI3 extension is not present\n");
return FALSE;
}
dri3_cookie = xcb_dri3_query_version(xcb_connection, major, minor);
dri3_reply = xcb_dri3_query_version_reply(xcb_connection, dri3_cookie, &error);
if (!dri3_reply) {
free(error);
ERR("Issue getting requested version of DRI3: %d,%d\n", major, minor);
return FALSE;
}
if (!DRI3Open(dpy, DefaultScreen(dpy), &fd)) {
ERR("DRI3 advertised, but not working\n");
return FALSE;
}
close(fd);
TRACE("DRI3 version %d,%d found. %d %d requested\n", major, minor, (int)dri3_reply->major_version, (int)dri3_reply->minor_version);
free(dri3_reply);
return TRUE;
}
struct vl_screen *
vl_dri3_screen_create(Display *display, int screen)
{
struct vl_dri3_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri3_open_cookie_t open_cookie;
xcb_dri3_open_reply_t *open_reply;
xcb_get_geometry_cookie_t geom_cookie;
xcb_get_geometry_reply_t *geom_reply;
int is_different_gpu;
int fd;
assert(display);
scrn = CALLOC_STRUCT(vl_dri3_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
if (!(extension && extension->present))
goto free_screen;
extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
if (!(extension && extension->present))
goto free_screen;
open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
if (!open_reply)
goto free_screen;
if (open_reply->nfd != 1) {
free(open_reply);
goto free_screen;
}
fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
if (fd < 0) {
free(open_reply);
goto free_screen;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
free(open_reply);
fd = loader_get_user_preferred_fd(fd, &is_different_gpu);
/* TODO support different GPU */
if (is_different_gpu)
goto close_fd;
geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
if (!geom_reply)
goto close_fd;
/* TODO support depth other than 24 */
if (geom_reply->depth != 24) {
free(geom_reply);
goto close_fd;
}
free(geom_reply);
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->base.destroy = vl_dri3_screen_destroy;
scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
scrn->base.get_private = vl_dri3_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;
return &scrn->base;
release_pipe:
if (scrn->base.dev) {
pipe_loader_release(&scrn->base.dev, 1);
fd = -1;
}
close_fd:
if (fd != -1)
close(fd);
free_screen:
FREE(scrn);
return NULL;
}
static EGLBoolean
dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
{
xcb_xfixes_query_version_reply_t *xfixes_query;
xcb_xfixes_query_version_cookie_t xfixes_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_connect_reply_t *connect;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
char *driver_name, *loader_driver_name, *device_name;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_xfixes_id);
if (!(extension && extension->present))
return EGL_FALSE;
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri2_id);
if (!(extension && extension->present))
return EGL_FALSE;
xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn,
XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);
dri2_query_cookie = xcb_dri2_query_version (dri2_dpy->conn,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
return EGL_FALSE;
}
connect_cookie = xcb_dri2_connect_unchecked(dri2_dpy->conn, screen->root,
XCB_DRI2_DRIVER_TYPE_DRI);
xfixes_query =
xcb_xfixes_query_version_reply (dri2_dpy->conn,
xfixes_query_cookie, &error);
if (xfixes_query == NULL ||
error != NULL || xfixes_query->major_version < 2) {
_eglLog(_EGL_WARNING, "DRI2: failed to query xfixes version");
free(error);
return EGL_FALSE;
}
free(xfixes_query);
dri2_query =
xcb_dri2_query_version_reply (dri2_dpy->conn, dri2_query_cookie, &error);
if (dri2_query == NULL || error != NULL) {
_eglLog(_EGL_WARNING, "DRI2: failed to query version");
free(error);
return EGL_FALSE;
}
dri2_dpy->dri2_major = dri2_query->major_version;
dri2_dpy->dri2_minor = dri2_query->minor_version;
free(dri2_query);
connect = xcb_dri2_connect_reply (dri2_dpy->conn, connect_cookie, NULL);
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0) {
_eglLog(_EGL_WARNING, "DRI2: failed to authenticate");
return EGL_FALSE;
}
device_name = xcb_dri2_connect_device_name (connect);
dri2_dpy->device_name =
strndup(device_name,
xcb_dri2_connect_device_name_length(connect));
dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
if (dri2_dpy->fd == -1) {
_eglLog(_EGL_WARNING,
"DRI2: could not open %s (%s)", dri2_dpy->device_name,
strerror(errno));
free(dri2_dpy->device_name);
free(connect);
return EGL_FALSE;
}
if (!dri2_x11_local_authenticate(dri2_dpy)) {
close(dri2_dpy->fd);
free(dri2_dpy->device_name);
free(connect);
return EGL_FALSE;
}
driver_name = xcb_dri2_connect_driver_name (connect);
/* If Mesa knows about the appropriate driver for this fd, then trust it.
* Otherwise, default to the server's value.
*/
loader_driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
if (loader_driver_name) {
dri2_dpy->driver_name = loader_driver_name;
} else {
dri2_dpy->driver_name =
strndup(driver_name,
xcb_dri2_connect_driver_name_length(connect));
}
if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) {
close(dri2_dpy->fd);
free(dri2_dpy->device_name);
free(dri2_dpy->driver_name);
free(connect);
return EGL_FALSE;
}
free(connect);
return EGL_TRUE;
}
/** Hello, this is main.
* \param argc Who knows.
* \param argv Who knows.
* \return EXIT_SUCCESS I hope.
*/
int
main(int argc, char **argv)
{
char *confpath = NULL;
int xfd, i, screen_nbr, opt, colors_nbr;
xcolor_init_request_t colors_reqs[2];
ssize_t cmdlen = 1;
xdgHandle xdg;
xcb_generic_event_t *event;
static struct option long_options[] =
{
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "check", 0, NULL, 'k' },
{ NULL, 0, NULL, 0 }
};
/* event loop watchers */
ev_io xio = { .fd = -1 };
ev_check xcheck;
ev_prepare a_refresh;
ev_signal sigint;
ev_signal sigterm;
ev_signal sighup;
/* clear the globalconf structure */
p_clear(&globalconf, 1);
globalconf.keygrabber = LUA_REFNIL;
globalconf.mousegrabber = LUA_REFNIL;
buffer_init(&globalconf.startup_errors);
/* save argv */
for(i = 0; i < argc; i++)
cmdlen += a_strlen(argv[i]) + 1;
globalconf.argv = p_new(char, cmdlen);
a_strcpy(globalconf.argv, cmdlen, argv[0]);
for(i = 1; i < argc; i++)
{
a_strcat(globalconf.argv, cmdlen, " ");
a_strcat(globalconf.argv, cmdlen, argv[i]);
}
/* Text won't be printed correctly otherwise */
setlocale(LC_CTYPE, "");
/* Get XDG basedir data */
xdgInitHandle(&xdg);
/* init lua */
luaA_init(&xdg);
/* check args */
while((opt = getopt_long(argc, argv, "vhkc:",
long_options, NULL)) != -1)
switch(opt)
{
case 'v':
eprint_version();
break;
case 'h':
exit_help(EXIT_SUCCESS);
break;
case 'k':
if(!luaA_parserc(&xdg, confpath, false))
{
fprintf(stderr, "✘ Configuration file syntax error.\n");
return EXIT_FAILURE;
}
else
{
fprintf(stderr, "✔ Configuration file syntax OK.\n");
return EXIT_SUCCESS;
}
case 'c':
if(a_strlen(optarg))
confpath = a_strdup(optarg);
else
fatal("-c option requires a file name");
break;
}
globalconf.loop = ev_default_loop(0);
ev_timer_init(&globalconf.timer, &luaA_on_timer, 0., 0.);
/* register function for signals */
ev_signal_init(&sigint, exit_on_signal, SIGINT);
ev_signal_init(&sigterm, exit_on_signal, SIGTERM);
ev_signal_init(&sighup, restart_on_signal, SIGHUP);
ev_signal_start(globalconf.loop, &sigint);
ev_signal_start(globalconf.loop, &sigterm);
ev_signal_start(globalconf.loop, &sighup);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 };
sigemptyset(&sa.sa_mask);
sigaction(SIGSEGV, &sa, 0);
/* XLib sucks */
XkbIgnoreExtension(True);
/* X stuff */
globalconf.display = XOpenDisplay(NULL);
if (globalconf.display == NULL)
fatal("cannot open display");
globalconf.default_screen = XDefaultScreen(globalconf.display);
globalconf.connection = XGetXCBConnection(globalconf.display);
/* Double checking then everything is OK. */
if(xcb_connection_has_error(globalconf.connection))
fatal("cannot open display");
/* Prefetch all the extensions we might need */
xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_shape_id);
/* initialize dbus */
a_dbus_init();
/* Get the file descriptor corresponding to the X connection */
xfd = xcb_get_file_descriptor(globalconf.connection);
ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ);
ev_io_start(globalconf.loop, &xio);
ev_check_init(&xcheck, &a_xcb_check_cb);
ev_check_start(globalconf.loop, &xcheck);
ev_unref(globalconf.loop);
ev_prepare_init(&a_refresh, &a_refresh_cb);
ev_prepare_start(globalconf.loop, &a_refresh);
ev_unref(globalconf.loop);
/* Grab server */
xcb_grab_server(globalconf.connection);
/* Make sure there are no pending events. Since we didn't really do anything
* at all yet, we will just discard all events which we received so far.
* The above GrabServer should make sure no new events are generated. */
xcb_aux_sync(globalconf.connection);
while ((event = xcb_poll_for_event(globalconf.connection)) != NULL)
{
/* Make sure errors are printed */
uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event);
if(response_type == 0)
event_handle(event);
p_delete(&event);
}
for(screen_nbr = 0;
screen_nbr < xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
screen_nbr++)
{
const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
/* This causes an error if some other window manager is running */
xcb_change_window_attributes(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root,
XCB_CW_EVENT_MASK, &select_input_val);
}
/* Need to xcb_flush to validate error handler */
xcb_aux_sync(globalconf.connection);
/* Process all errors in the queue if any. There can be no events yet, so if
* this function returns something, it must be an error. */
if (xcb_poll_for_event(globalconf.connection) != NULL)
fatal("another window manager is already running");
/* Prefetch the maximum request length */
xcb_prefetch_maximum_request_length(globalconf.connection);
/* check for xtest extension */
const xcb_query_extension_reply_t *xtest_query;
xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id);
globalconf.have_xtest = xtest_query->present;
/* Allocate the key symbols */
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xcb_get_modifier_mapping_cookie_t xmapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* init atom cache */
atoms_init(globalconf.connection);
/* init screens information */
screen_scan();
/* init default font and colors */
colors_reqs[0] = xcolor_init_unchecked(&globalconf.colors.fg,
"black", sizeof("black") - 1);
colors_reqs[1] = xcolor_init_unchecked(&globalconf.colors.bg,
"white", sizeof("white") - 1);
globalconf.font = draw_font_new("sans 8");
for(colors_nbr = 0; colors_nbr < 2; colors_nbr++)
xcolor_init_reply(colors_reqs[colors_nbr]);
xutil_lock_mask_get(globalconf.connection, xmapping_cookie,
globalconf.keysyms, &globalconf.numlockmask,
&globalconf.shiftlockmask, &globalconf.capslockmask,
&globalconf.modeswitchmask);
/* Get the window tree associated to this screen */
const int screen_max = xcb_setup_roots_length(xcb_get_setup(globalconf.connection));
xcb_query_tree_cookie_t tree_c[screen_max];
/* do this only for real screen */
for(screen_nbr = 0; screen_nbr < screen_max; screen_nbr++)
{
/* select for events */
const uint32_t change_win_vals[] =
{
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY
| XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW
| XCB_EVENT_MASK_STRUCTURE_NOTIFY
| XCB_EVENT_MASK_PROPERTY_CHANGE
| XCB_EVENT_MASK_BUTTON_PRESS
| XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_FOCUS_CHANGE
};
tree_c[screen_nbr] = xcb_query_tree_unchecked(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root);
xcb_change_window_attributes(globalconf.connection,
xutil_screen_get(globalconf.connection, screen_nbr)->root,
XCB_CW_EVENT_MASK,
change_win_vals);
ewmh_init(screen_nbr);
systray_init(screen_nbr);
}
/* init spawn (sn) */
spawn_init();
/* we will receive events, stop grabbing server */
xcb_ungrab_server(globalconf.connection);
/* Parse and run configuration file */
if (!luaA_parserc(&xdg, confpath, true))
fatal("couldn't find any rc file");
scan(tree_c);
xcb_flush(globalconf.connection);
/* main event loop */
ev_loop(globalconf.loop, 0);
/* cleanup event loop */
ev_ref(globalconf.loop);
ev_check_stop(globalconf.loop, &xcheck);
ev_ref(globalconf.loop);
ev_prepare_stop(globalconf.loop, &a_refresh);
ev_ref(globalconf.loop);
ev_io_stop(globalconf.loop, &xio);
awesome_atexit(false);
return EXIT_SUCCESS;
}
struct vl_screen *
vl_dri3_screen_create(Display *display, int screen)
{
struct vl_dri3_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri3_open_cookie_t open_cookie;
xcb_dri3_open_reply_t *open_reply;
xcb_get_geometry_cookie_t geom_cookie;
xcb_get_geometry_reply_t *geom_reply;
xcb_xfixes_query_version_cookie_t xfixes_cookie;
xcb_xfixes_query_version_reply_t *xfixes_reply;
xcb_generic_error_t *error;
int fd;
assert(display);
scrn = CALLOC_STRUCT(vl_dri3_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
xcb_prefetch_extension_data (scrn->conn, &xcb_xfixes_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
if (!(extension && extension->present))
goto free_screen;
extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
if (!(extension && extension->present))
goto free_screen;
extension = xcb_get_extension_data(scrn->conn, &xcb_xfixes_id);
if (!(extension && extension->present))
goto free_screen;
xfixes_cookie = xcb_xfixes_query_version(scrn->conn, XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);
xfixes_reply = xcb_xfixes_query_version_reply(scrn->conn, xfixes_cookie, &error);
if (!xfixes_reply || error || xfixes_reply->major_version < 2) {
free(error);
free(xfixes_reply);
goto free_screen;
}
free(xfixes_reply);
open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
if (!open_reply)
goto free_screen;
if (open_reply->nfd != 1) {
free(open_reply);
goto free_screen;
}
fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
if (fd < 0) {
free(open_reply);
goto free_screen;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
free(open_reply);
fd = loader_get_user_preferred_fd(fd, &scrn->is_different_gpu);
geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
if (!geom_reply)
goto close_fd;
scrn->base.xcb_screen = dri3_get_screen_for_root(scrn->conn, geom_reply->root);
if (!scrn->base.xcb_screen) {
free(geom_reply);
goto close_fd;
}
/* TODO support depth other than 24 or 30 */
if (geom_reply->depth != 24 && geom_reply->depth != 30) {
free(geom_reply);
goto close_fd;
}
scrn->base.color_depth = geom_reply->depth;
free(geom_reply);
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->pipe = scrn->base.pscreen->context_create(scrn->base.pscreen,
NULL, 0);
if (!scrn->pipe)
goto no_context;
scrn->base.destroy = vl_dri3_screen_destroy;
scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
scrn->base.get_private = vl_dri3_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;
scrn->base.set_back_texture_from_output = vl_dri3_screen_set_back_texture_from_output;
scrn->next_back = 1;
return &scrn->base;
no_context:
scrn->base.pscreen->destroy(scrn->base.pscreen);
release_pipe:
if (scrn->base.dev) {
pipe_loader_release(&scrn->base.dev, 1);
fd = -1;
}
close_fd:
if (fd != -1)
close(fd);
free_screen:
FREE(scrn);
return NULL;
}
struct vl_screen *
vl_dri2_screen_create(Display *display, int screen)
{
struct vl_dri_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query = NULL;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_dri2_connect_reply_t *connect = NULL;
xcb_dri2_authenticate_cookie_t authenticate_cookie;
xcb_dri2_authenticate_reply_t *authenticate = NULL;
xcb_screen_iterator_t s;
xcb_generic_error_t *error = NULL;
char *device_name;
int fd, device_name_length;
unsigned driverType;
drm_magic_t magic;
assert(display);
scrn = CALLOC_STRUCT(vl_dri_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri2_id);
if (!(extension && extension->present))
goto free_screen;
dri2_query_cookie = xcb_dri2_query_version (scrn->conn,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
dri2_query = xcb_dri2_query_version_reply (scrn->conn, dri2_query_cookie, &error);
if (dri2_query == NULL || error != NULL || dri2_query->minor_version < 2)
goto free_query;
s = xcb_setup_roots_iterator(xcb_get_setup(scrn->conn));
scrn->base.xcb_screen = get_xcb_screen(s, screen);
if (!scrn->base.xcb_screen)
goto free_query;
driverType = XCB_DRI2_DRIVER_TYPE_DRI;
{
char *prime = getenv("DRI_PRIME");
if (prime) {
unsigned primeid;
errno = 0;
primeid = strtoul(prime, NULL, 0);
if (errno == 0)
driverType |=
((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
}
}
connect_cookie = xcb_dri2_connect_unchecked(
scrn->conn, ((xcb_screen_t *)(scrn->base.xcb_screen))->root, driverType);
connect = xcb_dri2_connect_reply(scrn->conn, connect_cookie, NULL);
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0)
goto free_connect;
device_name_length = xcb_dri2_connect_device_name_length(connect);
device_name = CALLOC(1, device_name_length + 1);
if (!device_name)
goto free_connect;
memcpy(device_name, xcb_dri2_connect_device_name(connect), device_name_length);
fd = loader_open_device(device_name);
free(device_name);
if (fd < 0)
goto free_connect;
if (drmGetMagic(fd, &magic))
goto close_fd;
authenticate_cookie = xcb_dri2_authenticate_unchecked(
scrn->conn, ((xcb_screen_t *)(scrn->base.xcb_screen))->root, magic);
authenticate = xcb_dri2_authenticate_reply(scrn->conn, authenticate_cookie, NULL);
if (authenticate == NULL || !authenticate->authenticated)
goto free_authenticate;
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->base.destroy = vl_dri2_screen_destroy;
scrn->base.texture_from_drawable = vl_dri2_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri2_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri2_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri2_screen_set_next_timestamp;
scrn->base.get_private = vl_dri2_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri2_flush_frontbuffer;
vl_compositor_reset_dirty_area(&scrn->dirty_areas[0]);
vl_compositor_reset_dirty_area(&scrn->dirty_areas[1]);
/* The pipe loader duplicates the fd */
close(fd);
free(authenticate);
free(connect);
free(dri2_query);
free(error);
return &scrn->base;
release_pipe:
if (scrn->base.dev)
pipe_loader_release(&scrn->base.dev, 1);
free_authenticate:
free(authenticate);
close_fd:
close(fd);
free_connect:
free(connect);
free_query:
free(dri2_query);
free(error);
free_screen:
FREE(scrn);
return NULL;
}
virtual
void
prefetch_extension_data(xcb_extension_t * ext) const
{
xcb_prefetch_extension_data(m_c.get(), ext);
}
/** Hello, this is main.
* \param argc Who knows.
* \param argv Who knows.
* \return EXIT_SUCCESS I hope.
*/
int
main(int argc, char **argv)
{
char *confpath = NULL;
int xfd, i, opt;
ssize_t cmdlen = 1;
xdgHandle xdg;
bool no_argb = false;
xcb_generic_event_t *event;
xcb_query_tree_cookie_t tree_c;
static struct option long_options[] =
{
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "check", 0, NULL, 'k' },
{ "no-argb", 0, NULL, 'a' },
{ NULL, 0, NULL, 0 }
};
/* event loop watchers */
ev_io xio = { .fd = -1 };
ev_check xcheck;
ev_prepare a_refresh;
ev_signal sigint;
ev_signal sigterm;
ev_signal sighup;
/* clear the globalconf structure */
p_clear(&globalconf, 1);
globalconf.keygrabber = LUA_REFNIL;
globalconf.mousegrabber = LUA_REFNIL;
buffer_init(&globalconf.startup_errors);
/* save argv */
for(i = 0; i < argc; i++)
cmdlen += a_strlen(argv[i]) + 1;
awesome_argv = p_new(char, cmdlen);
a_strcpy(awesome_argv, cmdlen, argv[0]);
for(i = 1; i < argc; i++)
{
a_strcat(awesome_argv, cmdlen, " ");
a_strcat(awesome_argv, cmdlen, argv[i]);
}
/* Text won't be printed correctly otherwise */
setlocale(LC_CTYPE, "");
/* Get XDG basedir data */
xdgInitHandle(&xdg);
/* init lua */
luaA_init(&xdg);
/* check args */
while((opt = getopt_long(argc, argv, "vhkc:a",
long_options, NULL)) != -1)
switch(opt)
{
case 'v':
eprint_version();
break;
case 'h':
exit_help(EXIT_SUCCESS);
break;
case 'k':
if(!luaA_parserc(&xdg, confpath, false))
{
fprintf(stderr, "✘ Configuration file syntax error.\n");
return EXIT_FAILURE;
}
else
{
fprintf(stderr, "✔ Configuration file syntax OK.\n");
return EXIT_SUCCESS;
}
case 'c':
if(a_strlen(optarg))
confpath = a_strdup(optarg);
else
fatal("-c option requires a file name");
break;
case 'a':
no_argb = true;
break;
}
globalconf.loop = ev_default_loop(EVFLAG_NOSIGFD);
/* register function for signals */
ev_signal_init(&sigint, exit_on_signal, SIGINT);
ev_signal_init(&sigterm, exit_on_signal, SIGTERM);
ev_signal_init(&sighup, restart_on_signal, SIGHUP);
ev_signal_start(globalconf.loop, &sigint);
ev_signal_start(globalconf.loop, &sigterm);
ev_signal_start(globalconf.loop, &sighup);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
ev_unref(globalconf.loop);
struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 };
sigemptyset(&sa.sa_mask);
sigaction(SIGSEGV, &sa, 0);
/* X stuff */
globalconf.connection = xcb_connect(NULL, &globalconf.default_screen);
if(xcb_connection_has_error(globalconf.connection))
fatal("cannot open display");
globalconf.screen = xcb_aux_get_screen(globalconf.connection, globalconf.default_screen);
/* FIXME The following two assignments were swapped on purpose */
if(!no_argb)
globalconf.visual = a_default_visual(globalconf.screen);
if(!globalconf.visual)
globalconf.visual = a_argb_visual(globalconf.screen);
globalconf.default_depth = a_visual_depth(globalconf.screen, globalconf.visual->visual_id);
globalconf.default_cmap = globalconf.screen->default_colormap;
if(globalconf.default_depth != globalconf.screen->root_depth)
{
// We need our own color map if we aren't using the default depth
globalconf.default_cmap = xcb_generate_id(globalconf.connection);
xcb_create_colormap(globalconf.connection, XCB_COLORMAP_ALLOC_NONE,
globalconf.default_cmap, globalconf.screen->root,
globalconf.visual->visual_id);
}
/* Prefetch all the extensions we might need */
xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_xinerama_id);
/* initialize dbus */
a_dbus_init();
/* Get the file descriptor corresponding to the X connection */
xfd = xcb_get_file_descriptor(globalconf.connection);
ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ);
ev_io_start(globalconf.loop, &xio);
ev_check_init(&xcheck, &a_xcb_check_cb);
ev_check_start(globalconf.loop, &xcheck);
ev_unref(globalconf.loop);
ev_prepare_init(&a_refresh, &a_refresh_cb);
ev_prepare_start(globalconf.loop, &a_refresh);
ev_unref(globalconf.loop);
/* Grab server */
xcb_grab_server(globalconf.connection);
/* Make sure there are no pending events. Since we didn't really do anything
* at all yet, we will just discard all events which we received so far.
* The above GrabServer should make sure no new events are generated. */
xcb_aux_sync(globalconf.connection);
while ((event = xcb_poll_for_event(globalconf.connection)) != NULL)
{
/* Make sure errors are printed */
uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event);
if(response_type == 0)
event_handle(event);
p_delete(&event);
}
{
const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
/* This causes an error if some other window manager is running */
xcb_change_window_attributes(globalconf.connection,
globalconf.screen->root,
XCB_CW_EVENT_MASK, &select_input_val);
}
/* Need to xcb_flush to validate error handler */
xcb_aux_sync(globalconf.connection);
/* Process all errors in the queue if any. There can be no events yet, so if
* this function returns something, it must be an error. */
if (xcb_poll_for_event(globalconf.connection) != NULL)
fatal("another window manager is already running");
/* Prefetch the maximum request length */
xcb_prefetch_maximum_request_length(globalconf.connection);
/* check for xtest extension */
const xcb_query_extension_reply_t *xtest_query;
xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id);
globalconf.have_xtest = xtest_query->present;
/* Allocate the key symbols */
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xcb_get_modifier_mapping_cookie_t xmapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* init atom cache */
atoms_init(globalconf.connection);
/* init screens information */
screen_scan();
xutil_lock_mask_get(globalconf.connection, xmapping_cookie,
globalconf.keysyms, &globalconf.numlockmask,
&globalconf.shiftlockmask, &globalconf.capslockmask,
&globalconf.modeswitchmask);
/* do this only for real screen */
ewmh_init();
systray_init();
/* init spawn (sn) */
spawn_init();
/* The default GC is just a newly created associated with a window with
* depth globalconf.default_depth */
xcb_window_t tmp_win = xcb_generate_id(globalconf.connection);
globalconf.gc = xcb_generate_id(globalconf.connection);
xcb_create_window(globalconf.connection, globalconf.default_depth,
tmp_win, globalconf.screen->root,
-1, -1, 1, 1, 0,
XCB_COPY_FROM_PARENT, globalconf.visual->visual_id,
XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP,
(const uint32_t [])
{
globalconf.screen->black_pixel,
globalconf.screen->black_pixel,
globalconf.default_cmap
});
xcb_create_gc(globalconf.connection, globalconf.gc, tmp_win, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND,
(const uint32_t[]) {
globalconf.screen->black_pixel, globalconf.screen->white_pixel
});
xcb_destroy_window(globalconf.connection, tmp_win);
/* Get the window tree associated to this screen */
tree_c = xcb_query_tree_unchecked(globalconf.connection,
globalconf.screen->root);
xcb_change_window_attributes(globalconf.connection,
globalconf.screen->root,
XCB_CW_EVENT_MASK,
ROOT_WINDOW_EVENT_MASK);
/* we will receive events, stop grabbing server */
xcb_ungrab_server(globalconf.connection);
/* Parse and run configuration file */
if (!luaA_parserc(&xdg, confpath, true))
fatal("couldn't find any rc file");
p_delete(&confpath);
xdgWipeHandle(&xdg);
/* scan existing windows */
scan(tree_c);
xcb_flush(globalconf.connection);
/* main event loop */
ev_loop(globalconf.loop, 0);
/* cleanup event loop */
ev_ref(globalconf.loop);
ev_check_stop(globalconf.loop, &xcheck);
ev_ref(globalconf.loop);
ev_prepare_stop(globalconf.loop, &a_refresh);
ev_ref(globalconf.loop);
ev_io_stop(globalconf.loop, &xio);
awesome_atexit(false);
return EXIT_SUCCESS;
}
void
_ecore_xcb_extensions_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_big_requests_id);
xcb_prefetch_extension_data(_ecore_xcb_conn, &xcb_shm_id);
#ifdef ECORE_XCB_SHAPE
_ecore_xcb_shape_init();
#endif
#ifdef ECORE_XCB_SCREENSAVER
_ecore_xcb_screensaver_init();
#endif
#ifdef ECORE_XCB_SYNC
_ecore_xcb_sync_init();
#endif
#ifdef ECORE_XCB_RANDR
_ecore_xcb_randr_init();
#endif
#ifdef ECORE_XCB_XFIXES
_ecore_xcb_xfixes_init();
#endif
#ifdef ECORE_XCB_DAMAGE
_ecore_xcb_damage_init();
#endif
#ifdef ECORE_XCB_RENDER
_ecore_xcb_render_init();
#endif
#ifdef ECORE_XCB_COMPOSITE
_ecore_xcb_composite_init();
#endif
#ifdef ECORE_XCB_DPMS
_ecore_xcb_dpms_init();
#endif
#ifdef ECORE_XCB_DPMS
_ecore_xcb_dpms_init();
#endif
#ifdef ECORE_XCB_CURSOR
_ecore_xcb_cursor_init();
#endif
#ifdef ECORE_XCB_XINERAMA
_ecore_xcb_xinerama_init();
#endif
#ifdef ECORE_XCB_XINPUT
_ecore_xcb_input_init();
#endif
#ifdef ECORE_XCB_GESTURE
_ecore_xcb_gesture_init();
#endif
#ifdef ECORE_XCB_XPRESENT
_ecore_xcb_present_init();
#endif
/* #ifdef ECORE_XCB_DRI */
/* _ecore_xcb_dri_init(); */
/* #endif */
#ifdef ECORE_XCB_XTEST
_ecore_xcb_xtest_init();
#endif
xcb_prefetch_maximum_request_length(_ecore_xcb_conn);
}
IdlenessWatcher::IdlenessWatcher(QObject* parent):
Watcher(parent),
mPSettings(),
mErrorNotification(tr("LxQt Idleness watcher failed to start")),
mDBusWatcher(this),
mInhibitorCookie(0),
mIsLocked(false)
{
qDebug() << "Starting idlenesswatcher";
mConn = X11Helper::connection();
xcb_prefetch_extension_data(mConn, &xcb_screensaver_id);
xcb_prefetch_extension_data(mConn, &xcb_dpms_id);
xcb_screensaver_query_version_cookie_t verCookie = xcb_screensaver_query_version_unchecked(mConn, XCB_SCREENSAVER_MAJOR_VERSION, XCB_SCREENSAVER_MINOR_VERSION);
xcb_dpms_get_version_cookie_t dpmsVerCookie = xcb_dpms_get_version_unchecked(mConn, XCB_DPMS_MAJOR_VERSION, XCB_DPMS_MINOR_VERSION);
// Note that XCB is asynchronous, so we want to make requests ASAP and get the responses as late as possible.
mScreen = screenOfDisplay(mConn, 0);
mErrorNotification.setUrgencyHint(LxQt::Notification::UrgencyCritical);
mErrorNotification.setIcon("object-unlocked");
mErrorNotification.setTimeout(0);
new ScreenSaverAdaptor(this);
QDBusConnection sessionBus = QDBusConnection::sessionBus();
if (!sessionBus.registerService("org.freedesktop.ScreenSaver")
|| !sessionBus.registerObject("/ScreenSaver", this))
{
mErrorNotification.setBody(tr("D-Bus interface org.freedesktop.ScreenSaver is already registered"));
mErrorNotification.update();
qWarning() << "ERROR: D-Bus interface org.freedesktop.ScreenSaver is already registered";
}
mDBusWatcher.setConnection(QDBusConnection::sessionBus());
mDBusWatcher.setWatchMode(QDBusServiceWatcher::WatchForUnregistration);
connect(&mTimer, SIGNAL(timeout()), SLOT(idleTimeout()));
connect(&mPSettings, SIGNAL(settingsChanged()), SLOT(restartTimer()));
connect(&mDBusWatcher, SIGNAL(serviceUnregistered(QString)), SLOT(serviceUnregistered(QString)));
connect(&mLockProcess, SIGNAL(finished(int,QProcess::ExitStatus)), SLOT(screenUnlocked(int,QProcess::ExitStatus)));
connect(&mErrorNotification, SIGNAL(actionActivated(int)), SLOT(notificationAction(int)));
// Get XCB responses ...
const xcb_query_extension_reply_t* extReply = xcb_get_extension_data(mConn, &xcb_screensaver_id);
const xcb_query_extension_reply_t* dpmsExtReply = xcb_get_extension_data(mConn, &xcb_dpms_id);
xcb_screensaver_query_version_reply_t* verReply = xcb_screensaver_query_version_reply(mConn, verCookie, NULL);
xcb_dpms_get_version_reply_t* dpmsVerReply = xcb_dpms_get_version_reply(mConn, dpmsVerCookie, NULL);
if (mScreen && extReply && extReply->present && dpmsExtReply && dpmsExtReply->present
&& verReply && dpmsVerReply
&& verReply->server_major_version == XCB_SCREENSAVER_MAJOR_VERSION
&& verReply->server_minor_version >= XCB_SCREENSAVER_MINOR_VERSION
//&& dpmsVerReply->server_major_version == XCB_DPMS_MAJOR_VERSION
//&& dpmsVerReply->server_minor_version >= XCB_DPMS_MINOR_VERSION
)
{
free(verReply);
free(dpmsVerReply);
}
else
{
mErrorNotification.setBody(tr("The X11 Screensaver extension is not usable"));
mErrorNotification.update();
if (verReply)
free(verReply);
qCritical() << "ERROR: Can't use the X11 Screensaver Extension!";
}
mErrorNotification.setActions(QStringList(tr("Configure...")));
qDebug() << "LxQt Screenlocker started.";
qDebug() << "timeout:" << getMaxIdleTimeoutMs() << "ms, lock command:" << mLockCommand;
restartTimer();
}
static EGLBoolean
dri2_connect(struct dri2_egl_display *dri2_dpy)
{
xcb_xfixes_query_version_reply_t *xfixes_query;
xcb_xfixes_query_version_cookie_t xfixes_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_connect_reply_t *connect;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
char *driver_name, *device_name;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_xfixes_id);
if (!(extension && extension->present))
return EGL_FALSE;
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri2_id);
if (!(extension && extension->present))
return EGL_FALSE;
xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn,
XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);
dri2_query_cookie = xcb_dri2_query_version (dri2_dpy->conn,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
connect_cookie = xcb_dri2_connect_unchecked (dri2_dpy->conn,
s.data->root,
XCB_DRI2_DRIVER_TYPE_DRI);
xfixes_query =
xcb_xfixes_query_version_reply (dri2_dpy->conn,
xfixes_query_cookie, &error);
if (xfixes_query == NULL ||
error != NULL || xfixes_query->major_version < 2) {
_eglLog(_EGL_WARNING, "DRI2: failed to query xfixes version");
free(error);
return EGL_FALSE;
}
free(xfixes_query);
dri2_query =
xcb_dri2_query_version_reply (dri2_dpy->conn, dri2_query_cookie, &error);
if (dri2_query == NULL || error != NULL) {
_eglLog(_EGL_WARNING, "DRI2: failed to query version");
free(error);
return EGL_FALSE;
}
dri2_dpy->dri2_major = dri2_query->major_version;
dri2_dpy->dri2_minor = dri2_query->minor_version;
free(dri2_query);
connect = xcb_dri2_connect_reply (dri2_dpy->conn, connect_cookie, NULL);
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0) {
_eglLog(_EGL_WARNING, "DRI2: failed to authenticate");
return EGL_FALSE;
}
driver_name = xcb_dri2_connect_driver_name (connect);
dri2_dpy->driver_name =
dri2_strndup(driver_name,
xcb_dri2_connect_driver_name_length (connect));
device_name = xcb_dri2_connect_device_name (connect);
dri2_dpy->device_name =
dri2_strndup(device_name,
xcb_dri2_connect_device_name_length (connect));
if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) {
free(dri2_dpy->device_name);
free(dri2_dpy->driver_name);
free(connect);
return EGL_FALSE;
}
free(connect);
return EGL_TRUE;
}
int
main(int argc, char **argv)
{
memset(&globalconf, 0, sizeof(globalconf));
globalconf.connection = xcb_connect(NULL, &globalconf.screen_nbr);
if(xcb_connection_has_error(globalconf.connection))
fatal("Cannot open display");
/* Get the root window */
globalconf.screen = xcb_aux_get_screen(globalconf.connection,
globalconf.screen_nbr);
/* Set up signal handlers and function called on normal exit */
struct sigaction sa;
sigemptyset(&sa.sa_mask);
sa.sa_handler = exit_on_signal;
sa.sa_flags = 0;
sigaction(SIGHUP, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
atexit(exit_cleanup);
/**
* First round-trip
*/
/* Send requests for EWMH atoms initialisation */
xcb_intern_atom_cookie_t *ewmh_cookies = atoms_init();
parse_command_line_parameters(argc, argv);
/* Prefetch the extensions data */
xcb_prefetch_extension_data(globalconf.connection, &xcb_composite_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_damage_id);
xcb_prefetch_extension_data(globalconf.connection, &xcb_xfixes_id);
/* Initialise errors handlers */
xcb_event_handlers_init(globalconf.connection, &globalconf.evenths);
event_init_start_handlers();
/* Pre-initialisation of the rendering backend */
if(!rendering_load())
{
free(ewmh_cookies);
fatal("Can't initialise rendering backend");
}
/* Get replies for EWMH atoms initialisation */
if(!atoms_init_finalise(ewmh_cookies))
/* No need to free ewmh_cookies in case of error as it's already
handles by xcb-ewmh when getting the replies */
fatal("Cannot initialise atoms");
/* First check whether there is already a Compositing Manager (ICCCM) */
xcb_get_selection_owner_cookie_t wm_cm_owner_cookie =
xcb_ewmh_get_wm_cm_owner(&globalconf.ewmh, globalconf.screen_nbr);
/**
* Second round-trip
*/
/* Initialise extensions based on the cache and perform
initialisation of the rendering backend */
display_init_extensions();
if(!(*globalconf.rendering->init)())
return EXIT_FAILURE;
/* Check ownership for WM_CM_Sn before actually claiming it (ICCCM) */
xcb_window_t wm_cm_owner_win;
if(xcb_ewmh_get_wm_cm_owner_reply(&globalconf.ewmh, wm_cm_owner_cookie,
&wm_cm_owner_win, NULL) &&
wm_cm_owner_win != XCB_NONE)
fatal("A compositing manager is already active (window=%jx)",
(uintmax_t) wm_cm_owner_win);
/* Now send requests to register the CM */
display_register_cm();
/**
* Third round-trip
*/
/* Check extensions version and finish initialisation of the
rendering backend */
display_init_extensions_finalise();
if(!(*globalconf.rendering->init_finalise)())
return EXIT_FAILURE;
/* All the plugins given in the configuration file */
plugin_load_all();
/* Validate errors and get PropertyNotify needed to acquire
_NET_WM_CM_Sn ownership */
xcb_aux_sync(globalconf.connection);
xcb_event_poll_for_event_loop(&globalconf.evenths);
globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection);
xcb_get_modifier_mapping_cookie_t key_mapping_cookie =
xcb_get_modifier_mapping_unchecked(globalconf.connection);
/* Finish CM X registration */
if(!display_register_cm_finalise())
fatal("Could not acquire _NET_WM_CM_Sn ownership");
/**
* Last initialisation round-trip
*/
/* Grab the server before performing redirection and get the tree of
windows to ensure there won't be anything else at the same
time */
xcb_grab_server(globalconf.connection);
/* Now redirect windows and add existing windows */
display_init_redirect();
/* Validate errors handlers during redirect */
xcb_aux_sync(globalconf.connection);
xcb_event_poll_for_event_loop(&globalconf.evenths);
/* Manage existing windows */
display_init_redirect_finalise();
xcb_ungrab_server(globalconf.connection);
/* Check the plugin requirements which will disable plugins which
don't meet the requirements */
plugin_check_requirements();
/* Get the lock masks reply of the request previously sent */
key_lock_mask_get_reply(key_mapping_cookie);
/* Initialise normal errors and events handlers */
event_init_handlers();
xcb_generic_event_t *event;
/* Flush existing requests before the loop as DamageNotify events
may have been received in the meantime */
xcb_flush(globalconf.connection);
globalconf.do_repaint = true;
/* Main event and error loop */
do
{
/* Block until an event is received */
event = xcb_wait_for_event(globalconf.connection);
/* Check X connection to avoid SIGSEGV */
if(xcb_connection_has_error(globalconf.connection))
fatal("X connection invalid");
xcb_event_handle(&globalconf.evenths, event);
free(event);
/* Then process all remaining events in the queue because before
painting, all the DamageNotify have to be received */
xcb_event_poll_for_event_loop(&globalconf.evenths);
/* Now paint the windows */
if(globalconf.do_repaint)
{
window_t *windows = NULL;
for(plugin_t *plugin = globalconf.plugins; plugin; plugin = plugin->next)
if(plugin->enable && plugin->vtable->render_windows &&
(windows = (*plugin->vtable->render_windows)()))
break;
if(!windows)
windows = globalconf.windows;
window_paint_all(windows);
xcb_aux_sync(globalconf.connection);
}
globalconf.do_repaint = false;
}
while(true);
return EXIT_SUCCESS;
}
void Extensions::init()
{
xcb_connection_t *c = connection();
xcb_prefetch_extension_data(c, &xcb_shape_id);
xcb_prefetch_extension_data(c, &xcb_randr_id);
xcb_prefetch_extension_data(c, &xcb_damage_id);
xcb_prefetch_extension_data(c, &xcb_composite_id);
xcb_prefetch_extension_data(c, &xcb_xfixes_id);
xcb_prefetch_extension_data(c, &xcb_render_id);
xcb_prefetch_extension_data(c, &xcb_sync_id);
m_shape.name = QByteArray("SHAPE");
m_randr.name = QByteArray("RANDR");
m_damage.name = QByteArray("DAMAGE");
m_composite.name = QByteArray("Composite");
m_fixes.name = QByteArray("XFIXES");
m_render.name = QByteArray("RENDER");
m_sync.name = QByteArray("SYNC");
extensionQueryReply(xcb_get_extension_data(c, &xcb_shape_id), &m_shape);
extensionQueryReply(xcb_get_extension_data(c, &xcb_randr_id), &m_randr);
extensionQueryReply(xcb_get_extension_data(c, &xcb_damage_id), &m_damage);
extensionQueryReply(xcb_get_extension_data(c, &xcb_composite_id), &m_composite);
extensionQueryReply(xcb_get_extension_data(c, &xcb_xfixes_id), &m_fixes);
extensionQueryReply(xcb_get_extension_data(c, &xcb_render_id), &m_render);
extensionQueryReply(xcb_get_extension_data(c, &xcb_sync_id), &m_sync);
// extension specific queries
xcb_shape_query_version_cookie_t shapeVersion;
xcb_randr_query_version_cookie_t randrVersion;
xcb_damage_query_version_cookie_t damageVersion;
xcb_composite_query_version_cookie_t compositeVersion;
xcb_xfixes_query_version_cookie_t xfixesVersion;
xcb_render_query_version_cookie_t renderVersion;
xcb_sync_initialize_cookie_t syncVersion;
if (m_shape.present) {
shapeVersion = xcb_shape_query_version_unchecked(c);
}
if (m_randr.present) {
randrVersion = xcb_randr_query_version_unchecked(c, RANDR_MAX_MAJOR, RANDR_MAX_MINOR);
}
if (m_damage.present) {
damageVersion = xcb_damage_query_version_unchecked(c, DAMAGE_MAX_MAJOR, DAMAGE_MIN_MAJOR);
}
if (m_composite.present) {
compositeVersion = xcb_composite_query_version_unchecked(c, COMPOSITE_MAX_MAJOR, COMPOSITE_MAX_MINOR);
}
if (m_fixes.present) {
xfixesVersion = xcb_xfixes_query_version_unchecked(c, XFIXES_MAX_MAJOR, XFIXES_MAX_MINOR);
}
if (m_render.present) {
renderVersion = xcb_render_query_version_unchecked(c, RENDER_MAX_MAJOR, RENDER_MAX_MINOR);
}
if (m_sync.present) {
syncVersion = xcb_sync_initialize(c, SYNC_MAX_MAJOR, SYNC_MAX_MINOR);
}
// handle replies
if (m_shape.present) {
initVersion<xcb_shape_query_version_reply_t>(shapeVersion, &xcb_shape_query_version_reply, &m_shape);
}
if (m_randr.present) {
initVersion<xcb_randr_query_version_reply_t>(randrVersion, &xcb_randr_query_version_reply, &m_randr);
}
if (m_damage.present) {
initVersion<xcb_damage_query_version_reply_t>(damageVersion, &xcb_damage_query_version_reply, &m_damage);
}
if (m_composite.present) {
initVersion<xcb_composite_query_version_reply_t>(compositeVersion, &xcb_composite_query_version_reply, &m_composite);
}
if (m_fixes.present) {
initVersion<xcb_xfixes_query_version_reply_t>(xfixesVersion, &xcb_xfixes_query_version_reply, &m_fixes);
}
if (m_render.present) {
initVersion<xcb_render_query_version_reply_t>(renderVersion, &xcb_render_query_version_reply, &m_render);
}
if (m_sync.present) {
initVersion<xcb_sync_initialize_reply_t>(syncVersion, &xcb_sync_initialize_reply, &m_sync);
}
kDebug(1212) << "Extensions: shape: 0x" << QString::number(m_shape.version, 16)
<< " composite: 0x" << QString::number(m_composite.version, 16)
<< " render: 0x" << QString::number(m_render.version, 16)
<< " fixes: 0x" << QString::number(m_fixes.version, 16)
<< " randr: 0x" << QString::number(m_randr.version, 16)
<< " sync: 0x" << QString::number(m_sync.version, 16)
<< " damage: 0x " << QString::number(m_damage.version, 16) << endl;
}
