Compositor::Compositor()
: m_display(wl_display_create())
, m_time(0)
{
wl_list_init(&m_outputResources);
if (wl_display_add_socket(m_display, 0)) {
fprintf(stderr, "Fatal: Failed to open server socket\n");
exit(EXIT_FAILURE);
}
wl_display_add_global(m_display, &wl_compositor_interface, this, bindCompositor);
m_data_device_manager.reset(new DataDeviceManager(this, m_display));
wl_display_init_shm(m_display);
m_seat.reset(new Seat(this, m_display));
m_pointer = m_seat->pointer();
m_keyboard = m_seat->keyboard();
wl_display_add_global(m_display, &wl_output_interface, this, bindOutput);
wl_display_add_global(m_display, &wl_shell_interface, this, bindShell);
m_loop = wl_display_get_event_loop(m_display);
m_fd = wl_event_loop_get_fd(m_loop);
}
JNIEXPORT jlong JNICALL
Java_net_jlekstrand_wheatley_wayland_Compositor_createNative(JNIEnv *env,
jclass cls)
{
struct wheatley_compositor *wc;
wc = malloc(sizeof *wc);
if (wc == NULL) {
jni_util_throw_by_name(env, "java/lang/OutOfMemoryError", NULL);
return 0;
}
memset(wc, 0, sizeof *wc);
/* Pass libwlb and libwayland logging through to Android. */
wlb_log_set_func(wlb_log_android_func);
wl_debug_set_handler_server(wl_debug_android_func);
/* XXX: This should be removed at some point */
setenv("WAYLAND_DEBUG", "server", 1);
/* XXX: This is hard-coded merely for testing purposes */
setenv("XDG_RUNTIME_DIR", "/data/data/net.jlekstrand.wheatley/", 1);
wc->display = wl_display_create();
if (!wc->display) {
ALOGD("Failed to create display: %s", strerror(errno));
goto err_alloc;
}
wc->compositor = wlb_compositor_create(wc->display);
if (!wc->compositor) {
ALOGD("Failed to create compositor: %s", strerror(errno));
goto err_display;
}
if (wl_display_init_shm(wc->display) < 0) {
ALOGD("Failed to initialize wl_shm: %s", strerror(errno));
goto err_compositor;
}
wc->wlegl = wlegl_create(wc->compositor);
if (!wc->wlegl) {
ALOGD("Failed to initialize android_wlegl: %s", strerror(errno));
goto err_compositor;
}
return (long)(intptr_t)wc;
err_compositor:
wlb_compositor_destroy(wc->compositor);
err_display:
wl_display_destroy(wc->display);
err_alloc:
free(wc);
jni_util_throw_by_name(env, "java/lang/RuntimeException", NULL);
return 0;
}
void compositor::initialize(wl_display* display) {
static compositor comp{display};
wl_global* const g = wl_global_create(display, &wl_compositor_interface,
1, &comp, handle_bind);
assert(g);
wl_display_init_shm(display);
}
void
meta_wayland_init (void)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
GSource *wayland_event_source;
if (!wl_global_create (compositor->wayland_display,
&wl_compositor_interface,
META_WL_COMPOSITOR_VERSION,
compositor, compositor_bind))
g_error ("Failed to register the global wl_compositor");
wayland_event_source = wayland_event_source_new (compositor->wayland_display);
/* XXX: Here we are setting the wayland event source to have a
* slightly lower priority than the X event source, because we are
* much more likely to get confused being told about surface changes
* relating to X clients when we don't know what's happened to them
* according to the X protocol.
*
* At some point we could perhaps try and get the X protocol proxied
* over the wayland protocol so that we don't have to worry about
* synchronizing the two command streams. */
g_source_set_priority (wayland_event_source, GDK_PRIORITY_EVENTS + 1);
g_source_attach (wayland_event_source, NULL);
wl_display_init_shm (compositor->wayland_display);
meta_wayland_outputs_init (compositor);
meta_wayland_data_device_manager_init (compositor);
meta_wayland_shell_init (compositor);
meta_wayland_seat_init (compositor);
/* FIXME: find the first free name instead */
compositor->display_name = wl_display_add_socket_auto (compositor->wayland_display);
if (compositor->display_name == NULL)
g_error ("Failed to create socket");
/* XXX: It's important that we only try and start xwayland after we
* have initialized EGL because EGL implements the "wl_drm"
* interface which xwayland requires to determine what drm device
* name it should use.
*
* By waiting until we've shown the stage above we ensure that the
* underlying GL resources for the surface have also been allocated
* and so EGL must be initialized by this point.
*/
if (!meta_xwayland_start (&compositor->xwayland_manager, compositor->wayland_display))
g_error ("Failed to start X Wayland");
set_gnome_env ("DISPLAY", meta_wayland_get_xwayland_display_name (compositor));
set_gnome_env ("WAYLAND_DISPLAY", meta_wayland_get_wayland_display_name (compositor));
}
int
main (int argc, char **argv)
{
CoglandCompositor compositor;
GMainLoop *loop;
CoglError *error = NULL;
GError *gerror = NULL;
CoglVertexP2C4 triangle_vertices[] = {
{0, 0.7, 0xff, 0x00, 0x00, 0xff},
{-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
{0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
};
GSource *cogl_source;
if (!process_arguments (&argc, &argv, &gerror))
{
fprintf (stderr, "%s\n", gerror->message);
return EXIT_FAILURE;
}
memset (&compositor, 0, sizeof (compositor));
compositor.wayland_display = wl_display_create ();
if (compositor.wayland_display == NULL)
g_error ("failed to create wayland display");
wl_list_init (&compositor.frame_callbacks);
if (!wl_display_add_global (compositor.wayland_display,
&wl_compositor_interface,
&compositor,
compositor_bind))
g_error ("Failed to register wayland compositor object");
wl_display_init_shm (compositor.wayland_display);
loop = g_main_loop_new (NULL, FALSE);
compositor.wayland_loop =
wl_display_get_event_loop (compositor.wayland_display);
compositor.wayland_event_source =
wayland_event_source_new (compositor.wayland_display);
g_source_attach (compositor.wayland_event_source, NULL);
/* We want Cogl to use an EGL renderer because otherwise it won't
* set up the wl_drm object and only SHM buffers will work. */
compositor.cogl_context =
create_cogl_context (&compositor,
TRUE /* use EGL constraint */,
&error);
if (compositor.cogl_context == NULL)
{
/* If we couldn't get an EGL context then try any type of
* context */
cogl_error_free (error);
error = NULL;
compositor.cogl_context =
create_cogl_context (&compositor,
FALSE, /* don't set EGL constraint */
&error);
if (compositor.cogl_context)
g_warning ("Failed to create context with EGL constraint, "
"falling back");
else
g_error ("Failed to create a Cogl context: %s\n", error->message);
}
compositor.virtual_width = 800;
compositor.virtual_height = 600;
if (option_multiple_outputs)
{
int hw = compositor.virtual_width / 2;
int hh = compositor.virtual_height / 2;
/* Emulate compositing with multiple monitors... */
cogland_compositor_create_output (&compositor, 0, 0, hw, hh);
cogland_compositor_create_output (&compositor, hw, 0, hw, hh);
cogland_compositor_create_output (&compositor, 0, hh, hw, hh);
cogland_compositor_create_output (&compositor, hw, hh, hw, hh);
}
else
{
cogland_compositor_create_output (&compositor,
0, 0,
compositor.virtual_width,
compositor.virtual_height);
}
if (wl_display_add_global (compositor.wayland_display, &wl_shell_interface,
&compositor, bind_shell) == NULL)
g_error ("Failed to register a global shell object");
if (wl_display_add_socket (compositor.wayland_display, "wayland-0"))
g_error ("Failed to create socket");
compositor.triangle = cogl_primitive_new_p2c4 (compositor.cogl_context,
COGL_VERTICES_MODE_TRIANGLES,
3, triangle_vertices);
compositor.triangle_pipeline = cogl_pipeline_new (compositor.cogl_context);
cogl_source = cogl_glib_source_new (compositor.cogl_context,
G_PRIORITY_DEFAULT);
g_source_attach (cogl_source, NULL);
g_main_loop_run (loop);
return 0;
}
Compositor::Compositor(QWaylandCompositor *qt_compositor)
: m_display(new Display)
, m_default_input_device(0)
, m_pageFlipper(0)
, m_current_frame(0)
, m_last_queued_buf(-1)
, m_qt_compositor(qt_compositor)
, m_orientation(Qt::PrimaryOrientation)
, m_directRenderSurface(0)
, m_directRenderContext(0)
, m_directRenderActive(false)
#if defined (QT_COMPOSITOR_WAYLAND_GL)
, m_graphics_hw_integration(0)
#endif
, m_outputExtension(0)
, m_surfaceExtension(0)
, m_subSurfaceExtension(0)
, m_touchExtension(0)
, m_retainNotify(0)
{
compositor = this;
#if defined (QT_COMPOSITOR_WAYLAND_GL)
QWindow *window = qt_compositor->window();
if (window && window->surfaceType() != QWindow::RasterSurface) {
QStringList keys = QWaylandGraphicsHardwareIntegrationFactory::keys();
QString targetKey;
QByteArray hardwareIntegration = qgetenv("QT_WAYLAND_HARDWARE_INTEGRATION");
if (keys.contains(QString::fromLocal8Bit(hardwareIntegration.constData()))) {
targetKey = QString::fromLocal8Bit(hardwareIntegration.constData());
} else if (keys.contains(QString::fromLatin1("wayland-egl"))) {
targetKey = QString::fromLatin1("wayland-egl");
} else if (!keys.isEmpty()) {
targetKey = keys.first();
}
if (!targetKey.isEmpty()) {
m_graphics_hw_integration = QWaylandGraphicsHardwareIntegrationFactory::create(targetKey, QStringList());
if (m_graphics_hw_integration) {
m_graphics_hw_integration->setCompositor(qt_compositor);
}
}
//BUG: if there is no hw_integration, bad things will probably happen
}
#endif
m_windowManagerIntegration = new WindowManagerServerIntegration(qt_compositor, this);
wl_display_add_global(m_display->handle(),&wl_compositor_interface,this,Compositor::bind_func);
m_data_device_manager = new DataDeviceManager(this);
wl_display_init_shm(m_display->handle());
m_output_global = new OutputGlobal(m_display->handle());
m_shell = new Shell();
wl_display_add_global(m_display->handle(), &wl_shell_interface, m_shell, Shell::bind_func);
m_outputExtension = new OutputExtensionGlobal(this);
m_surfaceExtension = new SurfaceExtensionGlobal(this);
m_qtkeyExtension = new QtKeyExtensionGlobal(this);
m_touchExtension = new TouchExtensionGlobal(this);
if (wl_display_add_socket(m_display->handle(), qt_compositor->socketName())) {
fprintf(stderr, "Fatal: Failed to open server socket\n");
exit(EXIT_FAILURE);
}
m_loop = wl_display_get_event_loop(m_display->handle());
int fd = wl_event_loop_get_fd(m_loop);
QSocketNotifier *sockNot = new QSocketNotifier(fd, QSocketNotifier::Read, this);
connect(sockNot, SIGNAL(activated(int)), this, SLOT(processWaylandEvents()));
QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher;
connect(dispatcher, SIGNAL(aboutToBlock()), this, SLOT(processWaylandEvents()));
qRegisterMetaType<SurfaceBuffer*>("SurfaceBuffer*");
//initialize distancefieldglyphcache here
}
WLC_API bool
wlc_init(const struct wlc_interface *interface, int argc, char *argv[])
{
assert(interface);
if (!interface)
die("no wlc_interface was given");
if (wlc.display)
return true;
memset(&wlc, 0, sizeof(wlc));
wl_log_set_handler_server(wl_cb_log);
for (int i = 1; i < argc; ++i) {
if (chck_cstreq(argv[i], "--log")) {
if (i + 1 >= argc)
die("--log takes an argument (filename)");
wlc_set_log_file(fopen(argv[++i], "a"));
}
}
unsetenv("TERM");
const char *x11display = getenv("DISPLAY");
bool privilidged = false;
const bool has_logind = wlc_logind_available();
if (getuid() != geteuid() || getgid() != getegid()) {
wlc_log(WLC_LOG_INFO, "Doing work on SUID/SGID side and dropping permissions");
privilidged = true;
} else if (getuid() == 0) {
die("Do not run wlc compositor as root");
} else if (!x11display && !has_logind && access("/dev/input/event0", R_OK | W_OK) != 0) {
die("Not running from X11 and no access to /dev/input/event0 or logind available");
}
#ifndef NDEBUG
{
struct sigaction action = {
.sa_handler = backtrace
};
sigaction(SIGABRT, &action, NULL);
sigaction(SIGSEGV, &action, NULL);
// XXX: Some weird sigfpes seems to come when running
// wlc compositor inside wlc compositor (X11 backend).
// Seems to be caused by resolution changes and mouse clicks.
// Gather more information about this later and see what's going on.
if (!getenv("WAYLAND_DISPLAY"))
fpesetup(&action);
}
#endif
int vt = 0;
#ifdef HAS_LOGIND
// Init logind if we are not running as SUID.
// We need event loop for logind to work, and thus we won't allow it on SUID process.
if (!privilidged && !x11display && has_logind) {
if (!(wlc.display = wl_display_create()))
die("Failed to create wayland display");
if (!(vt = wlc_logind_init("seat0")))
die("Failed to init logind");
}
#else
(void)privilidged;
#endif
if (!x11display)
wlc_tty_init(vt);
// -- we open tty before dropping permissions
// so the fd process can also handle cleanup in case of crash
// if logind initialized correctly, fd process does nothing but handle crash.
{
struct wl_display *display = wlc.display;
wlc.display = NULL;
wlc_fd_init(argc, argv, (vt != 0));
wlc.display = display;
}
// -- permissions are now dropped
wl_signal_init(&wlc.signals.terminate);
wl_signal_init(&wlc.signals.activate);
wl_signal_init(&wlc.signals.compositor);
wl_signal_init(&wlc.signals.focus);
wl_signal_init(&wlc.signals.surface);
wl_signal_init(&wlc.signals.input);
wl_signal_init(&wlc.signals.output);
wl_signal_init(&wlc.signals.render);
wl_signal_init(&wlc.signals.xwayland);
wl_signal_add(&wlc.signals.compositor, &compositor_listener);
if (!wlc_resources_init())
die("Failed to init resource manager");
if (!wlc.display && !(wlc.display = wl_display_create()))
die("Failed to create wayland display");
const char *socket_name;
if (!(socket_name = wl_display_add_socket_auto(wlc.display)))
die("Failed to add socket to wayland display");
if (socket_name) // shut up static analyze
setenv("WAYLAND_DISPLAY", socket_name, true);
if (wl_display_init_shm(wlc.display) != 0)
die("Failed to init shm");
if (!wlc_udev_init())
die("Failed to init udev");
const char *libinput = getenv("WLC_LIBINPUT");
if (!x11display || (libinput && !chck_cstreq(libinput, "0"))) {
if (!wlc_input_init())
die("Failed to init input");
}
memcpy(&wlc.interface, interface, sizeof(wlc.interface));
if (!wlc_compositor(&wlc.compositor))
die("Failed to init compositor");
const char *xwayland = getenv("WLC_XWAYLAND");
if (!xwayland || !chck_cstreq(xwayland, "0")) {
if (!(wlc_xwayland_init()))
die("Failed to init xwayland");
} else {
wlc.set_ready_on_run = true;
}
wlc_set_active(true);
return wlc_compositor_is_good(&wlc.compositor);
}
WLC_API bool
wlc_init(const struct wlc_interface *interface, int argc, char *argv[])
{
assert(interface);
if (!interface)
die("no wlc_interface was given");
if (wlc.display)
return true;
// reset wlc state, but keep log function
void *log_fun = wlc.log_fun;
memset(&wlc, 0, sizeof(wlc));
wlc.log_fun = log_fun;
wl_log_set_handler_server(wl_cb_log);
unsetenv("TERM");
const char *x11display = getenv("DISPLAY");
bool privileged = false;
const bool has_logind = wlc_logind_available();
if (getuid() != geteuid() || getgid() != getegid()) {
wlc_log(WLC_LOG_INFO, "Doing work on SUID/SGID side and dropping permissions");
privileged = true;
} else if (getuid() == 0) {
die("Do not run wlc compositor as root");
} else if (!x11display && !has_logind && access("/dev/input/event0", R_OK | W_OK) != 0) {
die("Not running from X11 and no access to /dev/input/event0 or logind available");
}
int vt = 0;
#ifdef HAS_LOGIND
// Init logind if we are not running as SUID.
// We need event loop for logind to work, and thus we won't allow it on SUID process.
if (!privileged && !x11display && has_logind) {
if (!(wlc.display = wl_display_create()))
die("Failed to create wayland display");
if (!(vt = wlc_logind_init("seat0")))
die("Failed to init logind");
}
#else
(void)privileged;
#endif
if (!x11display)
wlc_tty_init(vt);
// -- we open tty before dropping permissions
// so the fd process can also handle cleanup in case of crash
// if logind initialized correctly, fd process does nothing but handle crash.
{
struct wl_display *display = wlc.display;
wlc.display = NULL;
wlc_fd_init(argc, argv, (vt != 0));
wlc.display = display;
}
// -- permissions are now dropped
wl_signal_init(&wlc.signals.terminate);
wl_signal_init(&wlc.signals.activate);
wl_signal_init(&wlc.signals.compositor);
wl_signal_init(&wlc.signals.focus);
wl_signal_init(&wlc.signals.surface);
wl_signal_init(&wlc.signals.input);
wl_signal_init(&wlc.signals.output);
wl_signal_init(&wlc.signals.render);
wl_signal_init(&wlc.signals.xwayland);
wl_signal_add(&wlc.signals.compositor, &compositor_listener);
if (!wlc_resources_init())
die("Failed to init resource manager");
if (!wlc.display && !(wlc.display = wl_display_create()))
die("Failed to create wayland display");
const char *socket_name;
if (!(socket_name = wl_display_add_socket_auto(wlc.display)))
die("Failed to add socket to wayland display");
if (socket_name) // shut up static analyze
setenv("WAYLAND_DISPLAY", socket_name, true);
if (wl_display_init_shm(wlc.display) != 0)
die("Failed to init shm");
if (!wlc_udev_init())
die("Failed to init udev");
const char *libinput = getenv("WLC_LIBINPUT");
if (!x11display || (libinput && !chck_cstreq(libinput, "0"))) {
if (!wlc_input_init())
die("Failed to init input");
}
if (!wlc_compositor(&wlc.compositor))
die("Failed to init compositor");
memcpy(&wlc.interface, interface, sizeof(wlc.interface));
return true;
}
