* Copyright © 2010-2011 Intel Corporation
* Copyright © 2008-2011 Kristian Høgsberg
* Copyright © 2012-2018,2022 Collabora, Ltd.
* Copyright © 2010-2011 Benjamin Franzke
* Copyright © 2013 Jason Ekstrand
* Copyright © 2017, 2018 General Electric Company
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <dlfcn.h>
#include <stdint.h>
#include <string.h>
#include <strings.h>
#include <sys/utsname.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <libinput.h>
#include <libevdev/libevdev.h>
#include <linux/input.h>
#include <sys/time.h>
#include <linux/limits.h>
#include "weston.h"
#include <libweston/libweston.h>
#include "shared/os-compatibility.h"
#include "shared/helpers.h"
#include "shared/process-util.h"
#include "shared/string-helpers.h"
#include "git-version.h"
#include <libweston/version.h>
#include "weston.h"
#include "weston-private.h"
#include <libweston/backend-drm.h>
#include <libweston/backend-headless.h>
#include <libweston/backend-pipewire.h>
#include <libweston/backend-rdp.h>
#include <libweston/backend-vnc.h>
#include <libweston/backend-x11.h>
#include <libweston/backend-wayland.h>
#include <libweston/windowed-output-api.h>
#include <libweston/weston-log.h>
#include <libweston/remoting-plugin.h>
#include <libweston/pipewire-plugin.h>
#define WINDOW_TITLE "Weston Compositor"
#define DEFAULT_FLIGHT_REC_SIZE (5 * 1024 * 1024)
#define DEFAULT_FLIGHT_REC_SCOPES "log,drm-backend"
struct wet_output_config {
int width;
int height;
int32_t scale;
uint32_t transform;
};
struct wet_compositor;
struct wet_layoutput;
struct wet_head_tracker {
struct wl_listener head_destroy_listener;
};
struct wet_output {
struct weston_output *output;
struct wl_listener output_destroy_listener;
struct wet_layoutput *layoutput;
struct wl_list link;
};
#define MAX_CLONE_HEADS 16
struct wet_head_array {
struct weston_head *heads[MAX_CLONE_HEADS];
unsigned n;
};
*
* Contains wet_outputs that are all clones (independent CRTCs).
* Stores output layout information in the future.
*/
struct wet_layoutput {
struct wet_compositor *compositor;
struct wl_list compositor_link;
struct wl_list output_list;
char *name;
struct weston_config_section *section;
struct wet_head_array add;
};
struct wet_compositor {
struct weston_compositor *compositor;
struct weston_config *config;
struct wet_output_config *parsed_options;
bool drm_use_current_mode;
struct wl_listener heads_changed_listener;
int (*simple_output_configure)(struct weston_output *output);
bool init_failed;
struct wl_list layoutput_list;
struct wl_list child_process_list;
pid_t autolaunch_pid;
bool autolaunch_watch;
bool use_color_manager;
struct wl_listener screenshot_auth;
};
static FILE *weston_logfile = NULL;
static struct weston_log_scope *log_scope;
static struct weston_log_scope *protocol_scope;
static int cached_tm_mday = -1;
static void
custom_handler(const char *fmt, va_list arg)
{
char timestr[512];
weston_log_scope_printf(log_scope, "%s libwayland: ",
weston_log_timestamp(timestr,
sizeof(timestr), &cached_tm_mday));
weston_log_scope_vprintf(log_scope, fmt, arg);
}
static bool
weston_log_file_open(const char *filename)
{
wl_log_set_handler_server(custom_handler);
if (filename != NULL) {
weston_logfile = fopen(filename, "a");
if (weston_logfile) {
os_fd_set_cloexec(fileno(weston_logfile));
} else {
fprintf(stderr, "Failed to open %s: %s\n", filename, strerror(errno));
return false;
}
}
if (weston_logfile == NULL)
weston_logfile = stderr;
else
setvbuf(weston_logfile, NULL, _IOLBF, 256);
return true;
}
static void
weston_log_file_close(void)
{
if ((weston_logfile != stderr) && (weston_logfile != NULL))
fclose(weston_logfile);
weston_logfile = stderr;
}
static int
vlog(const char *fmt, va_list ap)
{
const char *oom = "Out of memory";
char timestr[128];
int len = 0;
char *str;
if (weston_log_scope_is_enabled(log_scope)) {
int len_va;
char *log_timestamp = weston_log_timestamp(timestr,
sizeof(timestr),
&cached_tm_mday);
len_va = vasprintf(&str, fmt, ap);
if (len_va >= 0) {
len = weston_log_scope_printf(log_scope, "%s %s",
log_timestamp, str);
free(str);
} else {
len = weston_log_scope_printf(log_scope, "%s %s",
log_timestamp, oom);
}
}
return len;
}
static int
vlog_continue(const char *fmt, va_list argp)
{
return weston_log_scope_vprintf(log_scope, fmt, argp);
}
static const char *
get_next_argument(const char *signature, char* type)
{
for(; *signature; ++signature) {
switch(*signature) {
case 'i':
case 'u':
case 'f':
case 's':
case 'o':
case 'n':
case 'a':
case 'h':
*type = *signature;
return signature + 1;
}
}
*type = '\0';
return signature;
}
static void
protocol_log_fn(void *user_data,
enum wl_protocol_logger_type direction,
const struct wl_protocol_logger_message *message)
{
FILE *fp;
char *logstr;
size_t logsize;
char timestr[128];
struct wl_resource *res = message->resource;
struct wl_client *client = wl_resource_get_client(res);
pid_t pid = 0;
const char *signature = message->message->signature;
int i;
char type;
if (!weston_log_scope_is_enabled(protocol_scope))
return;
fp = open_memstream(&logstr, &logsize);
if (!fp)
return;
wl_client_get_credentials(client, &pid, NULL, NULL);
weston_log_scope_timestamp(protocol_scope,
timestr, sizeof timestr);
fprintf(fp, "%s ", timestr);
fprintf(fp, "client %p (PID %d) %s ", client, pid,
direction == WL_PROTOCOL_LOGGER_REQUEST ? "rq" : "ev");
fprintf(fp, "%s@%u.%s(",
wl_resource_get_class(res),
wl_resource_get_id(res),
message->message->name);
for (i = 0; i < message->arguments_count; i++) {
signature = get_next_argument(signature, &type);
if (i > 0)
fprintf(fp, ", ");
switch (type) {
case 'u':
fprintf(fp, "%u", message->arguments[i].u);
break;
case 'i':
fprintf(fp, "%d", message->arguments[i].i);
break;
case 'f':
fprintf(fp, "%f",
wl_fixed_to_double(message->arguments[i].f));
break;
case 's':
fprintf(fp, "\"%s\"", message->arguments[i].s);
break;
case 'o':
if (message->arguments[i].o) {
struct wl_resource* resource;
resource = (struct wl_resource*) message->arguments[i].o;
fprintf(fp, "%s@%u",
wl_resource_get_class(resource),
wl_resource_get_id(resource));
}
else
fprintf(fp, "nil");
break;
case 'n':
fprintf(fp, "new id %s@",
(message->message->types[i]) ?
message->message->types[i]->name :
"[unknown]");
if (message->arguments[i].n != 0)
fprintf(fp, "%u", message->arguments[i].n);
else
fprintf(fp, "nil");
break;
case 'a':
fprintf(fp, "array");
break;
case 'h':
fprintf(fp, "fd %d", message->arguments[i].h);
break;
}
}
fprintf(fp, ")\n");
if (fclose(fp) == 0)
weston_log_scope_write(protocol_scope, logstr, logsize);
free(logstr);
}
static struct wet_compositor *
to_wet_compositor(struct weston_compositor *compositor)
{
return weston_compositor_get_user_data(compositor);
}
static int
sigchld_handler(int signal_number, void *data)
{
struct weston_process *p;
struct wet_compositor *wet = data;
int status;
pid_t pid;
while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
if (wet->autolaunch_pid != -1 && wet->autolaunch_pid == pid) {
if (wet->autolaunch_watch)
wl_display_terminate(wet->compositor->wl_display);
wet->autolaunch_pid = -1;
continue;
}
wl_list_for_each(p, &wet->child_process_list, link) {
if (p->pid == pid)
break;
}
if (&p->link == &wet->child_process_list)
continue;
wl_list_remove(&p->link);
wl_list_init(&p->link);
p->cleanup(p, status);
}
if (pid < 0 && errno != ECHILD)
weston_log("waitpid error %s\n", strerror(errno));
return 1;
}
static void
cleanup_for_child_process() {
sigset_t allsigs;
* intended for the parent. Sharing a session can be
* confusing when launching weston under gdb, as the ctrl-c
* intended for gdb will pass to the child, and weston
* will cleanly shut down when the child exits.
*/
setsid();
sigfillset(&allsigs);
sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
}
WL_EXPORT bool
weston_client_launch(struct weston_compositor *compositor,
struct weston_process *proc,
struct custom_env *child_env,
int *no_cloexec_fds,
size_t num_no_cloexec_fds,
weston_process_cleanup_func_t cleanup)
{
const char *fail_cloexec = "Couldn't unset CLOEXEC on child FDs";
const char *fail_seteuid = "Couldn't call seteuid";
char *fail_exec;
char * const *argp;
char * const *envp;
pid_t pid;
int err;
bool ret;
size_t i;
size_t written __attribute__((unused));
argp = custom_env_get_argp(child_env);
envp = custom_env_get_envp(child_env);
weston_log("launching '%s'\n", argp[0]);
str_printf(&fail_exec, "Error: Couldn't launch client '%s'\n", argp[0]);
pid = fork();
switch (pid) {
case 0:
cleanup_for_child_process();
if (seteuid(getuid()) == -1) {
written = write(STDERR_FILENO, fail_seteuid,
strlen(fail_seteuid));
_exit(EXIT_FAILURE);
}
for (i = 0; i < num_no_cloexec_fds; i++) {
err = os_fd_clear_cloexec(no_cloexec_fds[i]);
if (err < 0) {
written = write(STDERR_FILENO, fail_cloexec,
strlen(fail_cloexec));
_exit(EXIT_FAILURE);
}
}
execve(argp[0], argp, envp);
if (fail_exec)
written = write(STDERR_FILENO, fail_exec,
strlen(fail_exec));
_exit(EXIT_FAILURE);
default:
proc->pid = pid;
proc->cleanup = cleanup;
wet_watch_process(compositor, proc);
ret = true;
break;
case -1:
weston_log("weston_client_launch: "
"fork failed while launching '%s': %s\n", argp[0],
strerror(errno));
ret = false;
break;
}
custom_env_fini(child_env);
free(fail_exec);
return ret;
}
WL_EXPORT void
wet_watch_process(struct weston_compositor *compositor,
struct weston_process *process)
{
struct wet_compositor *wet = to_wet_compositor(compositor);
wl_list_insert(&wet->child_process_list, &process->link);
}
struct process_info {
struct weston_process proc;
char *path;
};
static void
process_handle_sigchld(struct weston_process *process, int status)
{
struct process_info *pinfo =
container_of(process, struct process_info, proc);
* There are no guarantees whether this runs before or after
* the wl_client destructor.
*/
if (WIFEXITED(status)) {
weston_log("%s exited with status %d\n", pinfo->path,
WEXITSTATUS(status));
} else if (WIFSIGNALED(status)) {
weston_log("%s died on signal %d\n", pinfo->path,
WTERMSIG(status));
} else {
weston_log("%s disappeared\n", pinfo->path);
}
free(pinfo->path);
free(pinfo);
}
WL_EXPORT struct wl_client *
weston_client_start(struct weston_compositor *compositor, const char *path)
{
struct process_info *pinfo;
struct wl_client *client;
struct custom_env child_env;
struct fdstr wayland_socket = FDSTR_INIT;
int no_cloexec_fds[1];
size_t num_no_cloexec_fds = 0;
bool ret;
pinfo = zalloc(sizeof *pinfo);
if (!pinfo)
return NULL;
pinfo->path = strdup(path);
if (!pinfo->path)
goto out_free;
if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0,
wayland_socket.fds) < 0) {
weston_log("weston_client_start: "
"socketpair failed while launching '%s': %s\n",
path, strerror(errno));
goto out_path;
}
custom_env_init_from_environ(&child_env);
custom_env_add_from_exec_string(&child_env, path);
fdstr_update_str1(&wayland_socket);
no_cloexec_fds[num_no_cloexec_fds++] = wayland_socket.fds[1];
custom_env_set_env_var(&child_env, "WAYLAND_SOCKET",
wayland_socket.str1);
assert(num_no_cloexec_fds <= ARRAY_LENGTH(no_cloexec_fds));
ret = weston_client_launch(compositor, &pinfo->proc, &child_env,
no_cloexec_fds, num_no_cloexec_fds,
process_handle_sigchld);
if (!ret)
goto out_path;
client = wl_client_create(compositor->wl_display,
wayland_socket.fds[0]);
if (!client) {
weston_log("weston_client_start: "
"wl_client_create failed while launching '%s'.\n",
path);
goto out_sock;
}
close(wayland_socket.fds[1]);
return client;
out_path:
free(pinfo->path);
out_free:
free(pinfo);
out_sock:
fdstr_close_all(&wayland_socket);
return NULL;
}
static void
log_uname(void)
{
struct utsname usys;
uname(&usys);
weston_log("OS: %s, %s, %s, %s\n", usys.sysname, usys.release,
usys.version, usys.machine);
}
static struct wet_output_config *
wet_init_parsed_options(struct weston_compositor *ec)
{
struct wet_compositor *compositor = to_wet_compositor(ec);
struct wet_output_config *config;
config = zalloc(sizeof *config);
if (!config) {
perror("out of memory");
return NULL;
}
config->width = 0;
config->height = 0;
config->scale = 0;
config->transform = UINT32_MAX;
compositor->parsed_options = config;
return config;
}
WL_EXPORT struct weston_config *
wet_get_config(struct weston_compositor *ec)
{
struct wet_compositor *compositor = to_wet_compositor(ec);
return compositor->config;
}
static const char xdg_error_message[] =
"fatal: environment variable XDG_RUNTIME_DIR is not set.\n";
static const char xdg_wrong_message[] =
"fatal: environment variable XDG_RUNTIME_DIR\n"
"is set to \"%s\", which is not a directory.\n";
static const char xdg_wrong_mode_message[] =
"warning: XDG_RUNTIME_DIR \"%s\" is not configured\n"
"correctly. Unix access mode must be 0700 (current mode is %04o),\n"
"and must be owned by the user UID %d (current owner is UID %d).\n";
static const char xdg_detail_message[] =
"Refer to your distribution on how to get it, or\n"
"http://www.freedesktop.org/wiki/Specifications/basedir-spec\n"
"on how to implement it.\n";
static void
verify_xdg_runtime_dir(void)
{
char *dir = getenv("XDG_RUNTIME_DIR");
struct stat s;
if (!dir) {
weston_log(xdg_error_message);
weston_log_continue(xdg_detail_message);
exit(EXIT_FAILURE);
}
if (stat(dir, &s) || !S_ISDIR(s.st_mode)) {
weston_log(xdg_wrong_message, dir);
weston_log_continue(xdg_detail_message);
exit(EXIT_FAILURE);
}
if ((s.st_mode & 0777) != 0700 || s.st_uid != getuid()) {
weston_log(xdg_wrong_mode_message,
dir, s.st_mode & 0777, getuid(), s.st_uid);
weston_log_continue(xdg_detail_message);
}
}
static int
usage(int error_code)
{
FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
fprintf(out,
"Usage: weston [OPTIONS]\n\n"
"This is weston version " VERSION ", the Wayland reference compositor.\n"
"Weston supports multiple backends, and depending on which backend is in use\n"
"different options will be accepted.\n\n"
"Core options:\n\n"
" --version\t\tPrint weston version\n"
" -B, --backend=BACKEND\tBackend module, one of\n"
#if defined(BUILD_DRM_COMPOSITOR)
"\t\t\t\tdrm\n"
#endif
#if defined(BUILD_HEADLESS_COMPOSITOR)
"\t\t\t\theadless\n"
#endif
#if defined(BUILD_PIPEWIRE_COMPOSITOR)
"\t\t\t\tpipewire\n"
#endif
#if defined(BUILD_RDP_COMPOSITOR)
"\t\t\t\trdp\n"
#endif
#if defined(BUILD_VNC_COMPOSITOR)
"\t\t\t\tvnc\n"
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
"\t\t\t\twayland\n"
#endif
#if defined(BUILD_X11_COMPOSITOR)
"\t\t\t\tx11\n"
#endif
" --renderer=NAME\tRenderer to use, one of\n"
"\t\t\t\tauto\tAutomatic selection of one of the below renderers\n"
#if defined(ENABLE_EGL)
"\t\t\t\tgl\tOpenGL ES\n"
#endif
"\t\t\t\tnoop\tNo-op renderer for testing only\n"
"\t\t\t\tpixman\tPixman software renderer\n"
" --shell=NAME\tShell to load, defaults to desktop\n"
" -S, --socket=NAME\tName of socket to listen on\n"
" -i, --idle-time=SECS\tIdle time in seconds\n"
#if defined(BUILD_XWAYLAND)
" --xwayland\t\tLoad the xwayland module\n"
#endif
" --modules\t\tLoad the comma-separated list of modules\n"
" --log=FILE\t\tLog to the given file\n"
" -c, --config=FILE\tConfig file to load, defaults to weston.ini\n"
" --no-config\t\tDo not read weston.ini\n"
" --wait-for-debugger\tRaise SIGSTOP on start-up\n"
" --debug\t\tEnable debug extension\n"
" -l, --logger-scopes=SCOPE\n\t\t\tSpecify log scopes to "
"subscribe to.\n\t\t\tCan specify multiple scopes, "
"each followed by comma\n"
" -f, --flight-rec-scopes=SCOPE\n\t\t\tSpecify log scopes to "
"subscribe to.\n\t\t\tCan specify multiple scopes, "
"each followed by comma\n"
" -h, --help\t\tThis help message\n\n");
#if defined(BUILD_DRM_COMPOSITOR)
fprintf(out,
"Options for drm:\n\n"
" --seat=SEAT\t\tThe seat that weston should run on, instead of the seat defined in XDG_SEAT\n"
" --drm-device=CARD\tThe DRM device to use, e.g. \"card0\".\n"
" --use-pixman\t\tUse the pixman (CPU) renderer (deprecated alias for --renderer=pixman)\n"
" --current-mode\tPrefer current KMS mode over EDID preferred mode\n"
" --continue-without-input\tAllow the compositor to start without input devices\n\n");
#endif
#if defined(BUILD_HEADLESS_COMPOSITOR)
fprintf(out,
"Options for headless:\n\n"
" --width=WIDTH\t\tWidth of memory surface\n"
" --height=HEIGHT\tHeight of memory surface\n"
" --scale=SCALE\t\tScale factor of output\n"
" --transform=TR\tThe output transformation, TR is one of:\n"
"\tnormal 90 180 270 flipped flipped-90 flipped-180 flipped-270\n"
" --use-pixman\t\tUse the pixman (CPU) renderer (deprecated alias for --renderer=pixman)\n"
" --use-gl\t\tUse the GL renderer (deprecated alias for --renderer=gl)\n"
" --no-outputs\t\tDo not create any virtual outputs\n"
"\n");
#endif
#if defined(BUILD_PIPEWIRE_COMPOSITOR)
fprintf(out,
"Options for pipewire\n\n"
" --width=WIDTH\t\tWidth of desktop\n"
" --height=HEIGHT\tHeight of desktop\n"
"\n");
#endif
#if defined(BUILD_RDP_COMPOSITOR)
fprintf(out,
"Options for rdp:\n\n"
" --width=WIDTH\t\tWidth of desktop\n"
" --height=HEIGHT\tHeight of desktop\n"
" --env-socket\t\tUse socket defined in RDP_FD env variable as peer connection\n"
" --external-listener-fd=FD\tUse socket as listener connection\n"
" --address=ADDR\tThe address to bind\n"
" --port=PORT\t\tThe port to listen on\n"
" --no-clients-resize\tThe RDP peers will be forced to the size of the desktop\n"
" --rdp4-key=FILE\tThe file containing the key for RDP4 encryption\n"
" --rdp-tls-cert=FILE\tThe file containing the certificate for TLS encryption\n"
" --rdp-tls-key=FILE\tThe file containing the private key for TLS encryption\n"
"\n");
#endif
#if defined(BUILD_VNC_COMPOSITOR)
fprintf(out,
"Options for vnc:\n\n"
" --width=WIDTH\t\tWidth of desktop\n"
" --height=HEIGHT\tHeight of desktop\n"
" --port=PORT\t\tThe port to listen on\n"
" --vnc-tls-cert=FILE\tThe file containing the certificate for TLS encryption\n"
" --vnc-tls-key=FILE\tThe file containing the private key for TLS encryption\n"
"\n");
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
fprintf(out,
"Options for wayland:\n\n"
" --width=WIDTH\t\tWidth of Wayland surface\n"
" --height=HEIGHT\tHeight of Wayland surface\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer (deprecated alias for --renderer=pixman)\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --sprawl\t\tCreate one fullscreen output for every parent output\n"
" --display=DISPLAY\tWayland display to connect to\n\n");
#endif
#if defined(BUILD_X11_COMPOSITOR)
fprintf(out,
"Options for x11:\n\n"
" --width=WIDTH\t\tWidth of X window\n"
" --height=HEIGHT\tHeight of X window\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer (deprecated alias for --renderer=pixman)\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --no-input\t\tDont create input devices\n\n");
#endif
exit(error_code);
}
static int on_term_signal(int signal_number, void *data)
{
struct wl_display *display = data;
weston_log("caught signal %d\n", signal_number);
wl_display_terminate(display);
return 1;
}
static const char *
clock_name(clockid_t clk_id)
{
static const char *names[] = {
[CLOCK_REALTIME] = "CLOCK_REALTIME",
[CLOCK_MONOTONIC] = "CLOCK_MONOTONIC",
[CLOCK_MONOTONIC_RAW] = "CLOCK_MONOTONIC_RAW",
[CLOCK_REALTIME_COARSE] = "CLOCK_REALTIME_COARSE",
[CLOCK_MONOTONIC_COARSE] = "CLOCK_MONOTONIC_COARSE",
#ifdef CLOCK_BOOTTIME
[CLOCK_BOOTTIME] = "CLOCK_BOOTTIME",
#endif
};
if (clk_id < 0 || (unsigned)clk_id >= ARRAY_LENGTH(names))
return "unknown";
return names[clk_id];
}
static const struct {
uint32_t bit;
const char *desc;
} capability_strings[] = {
{ WESTON_CAP_ROTATION_ANY, "arbitrary surface rotation" },
{ WESTON_CAP_CAPTURE_YFLIP, "screen capture uses y-flip" },
{ WESTON_CAP_CURSOR_PLANE, "cursor planes" },
{ WESTON_CAP_ARBITRARY_MODES, "arbitrary resolutions" },
{ WESTON_CAP_VIEW_CLIP_MASK, "view mask clipping" },
{ WESTON_CAP_EXPLICIT_SYNC, "explicit sync" },
{ WESTON_CAP_COLOR_OPS, "color operations" },
};
static void
weston_compositor_log_capabilities(struct weston_compositor *compositor)
{
unsigned i;
int yes;
struct timespec res;
weston_log("Compositor capabilities:\n");
for (i = 0; i < ARRAY_LENGTH(capability_strings); i++) {
yes = compositor->capabilities & capability_strings[i].bit;
weston_log_continue(STAMP_SPACE "%s: %s\n",
capability_strings[i].desc,
yes ? "yes" : "no");
}
weston_log_continue(STAMP_SPACE "presentation clock: %s, id %d\n",
clock_name(compositor->presentation_clock),
compositor->presentation_clock);
if (clock_getres(compositor->presentation_clock, &res) == 0)
weston_log_continue(STAMP_SPACE
"presentation clock resolution: %d.%09ld s\n",
(int)res.tv_sec, res.tv_nsec);
else
weston_log_continue(STAMP_SPACE
"presentation clock resolution: N/A\n");
}
static bool
check_compositor_capabilities(struct weston_compositor *compositor,
uint32_t mask)
{
uint32_t missing = mask & ~compositor->capabilities;
unsigned i;
if (missing == 0)
return true;
weston_log("Quirk error, missing capabilities:\n");
for (i = 0; i < ARRAY_LENGTH(capability_strings); i++) {
if (!(missing & capability_strings[i].bit))
continue;
weston_log_continue(STAMP_SPACE "- %s\n",
capability_strings[i].desc);
missing &= ~capability_strings[i].bit;
}
if (missing) {
weston_log_continue(STAMP_SPACE "- unlisted bits 0x%x\n",
missing);
}
return false;
}
static void
handle_primary_client_destroyed(struct wl_listener *listener, void *data)
{
struct wl_client *client = data;
weston_log("Primary client died. Closing...\n");
wl_display_terminate(wl_client_get_display(client));
}
static int
weston_create_listening_socket(struct wl_display *display, const char *socket_name)
{
char name_candidate[32];
if (socket_name) {
if (wl_display_add_socket(display, socket_name)) {
weston_log("fatal: failed to add socket: %s\n",
strerror(errno));
return -1;
}
setenv("WAYLAND_DISPLAY", socket_name, 1);
return 0;
} else {
for (int i = 1; i <= 32; i++) {
sprintf(name_candidate, "wayland-%d", i);
if (wl_display_add_socket(display, name_candidate) >= 0) {
setenv("WAYLAND_DISPLAY", name_candidate, 1);
return 0;
}
}
weston_log("fatal: failed to add socket: %s\n",
strerror(errno));
return -1;
}
}
WL_EXPORT int
wet_load_module(struct weston_compositor *compositor,
const char *name, int *argc, char *argv[])
{
int (*module_init)(struct weston_compositor *ec,
int *argc, char *argv[]);
module_init = weston_load_module(name, "wet_module_init", MODULEDIR);
if (!module_init)
return -1;
if (module_init(compositor, argc, argv) < 0)
return -1;
return 0;
}
static int
wet_load_shell(struct weston_compositor *compositor,
const char *_name, int *argc, char *argv[])
{
char *name;
int (*shell_init)(struct weston_compositor *ec,
int *argc, char *argv[]);
if (strstr(_name, "-shell.so"))
name = strdup(_name);
else
str_printf(&name, "%s-shell.so", _name);
assert(name);
shell_init = weston_load_module(name, "wet_shell_init", MODULEDIR);
free(name);
if (!shell_init)
return -1;
if (shell_init(compositor, argc, argv) < 0)
return -1;
return 0;
}
static char *
wet_get_binary_path(const char *name, const char *dir)
{
char path[PATH_MAX];
size_t len;
len = weston_module_path_from_env(name, path, sizeof path);
if (len > 0)
return strdup(path);
len = snprintf(path, sizeof path, "%s/%s", dir, name);
if (len >= sizeof path)
return NULL;
return strdup(path);
}
WL_EXPORT char *
wet_get_libexec_path(const char *name)
{
return wet_get_binary_path(name, LIBEXECDIR);
}
WL_EXPORT char *
wet_get_bindir_path(const char *name)
{
return wet_get_binary_path(name, BINDIR);
}
static int
load_modules(struct weston_compositor *ec, const char *modules,
int *argc, char *argv[])
{
const char *p, *end;
char buffer[256];
if (modules == NULL)
return 0;
p = modules;
while (*p) {
end = strchrnul(p, ',');
snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
if (strstr(buffer, "xwayland.so")) {
weston_log("fatal: Old Xwayland module loading detected: "
"Please use --xwayland command line option "
"or set xwayland=true in the [core] section "
"in weston.ini\n");
return -1;
} else {
if (wet_load_module(ec, buffer, argc, argv) < 0)
return -1;
}
p = end;
while (*p == ',')
p++;
}
return 0;
}
static int
save_touch_device_calibration(struct weston_compositor *compositor,
struct weston_touch_device *device,
const struct weston_touch_device_matrix *calibration)
{
struct weston_config_section *s;
struct weston_config *config = wet_get_config(compositor);
char *helper = NULL;
char *helper_cmd = NULL;
int ret = -1;
int status;
const float *m = calibration->m;
s = weston_config_get_section(config,
"libinput", NULL, NULL);
weston_config_section_get_string(s, "calibration_helper",
&helper, NULL);
if (!helper || strlen(helper) == 0) {
ret = 0;
goto out;
}
if (asprintf(&helper_cmd, "\"%s\" '%s' %f %f %f %f %f %f",
helper, device->syspath,
m[0], m[1], m[2],
m[3], m[4], m[5]) < 0)
goto out;
status = system(helper_cmd);
free(helper_cmd);
if (status < 0) {
weston_log("Error: failed to run calibration helper '%s'.\n",
helper);
goto out;
}
if (!WIFEXITED(status)) {
weston_log("Error: calibration helper '%s' possibly killed.\n",
helper);
goto out;
}
if (WEXITSTATUS(status) == 0) {
ret = 0;
} else {
weston_log("Calibration helper '%s' exited with status %d.\n",
helper, WEXITSTATUS(status));
}
out:
free(helper);
return ret;
}
static int
weston_compositor_init_config(struct weston_compositor *ec,
struct weston_config *config)
{
struct wet_compositor *compositor = to_wet_compositor(ec);
struct xkb_rule_names xkb_names;
struct weston_config_section *s;
int repaint_msec;
bool color_management;
bool cal;
s = weston_config_get_section(config, "keyboard", NULL, NULL);
weston_config_section_get_string(s, "keymap_rules",
(char **) &xkb_names.rules, NULL);
weston_config_section_get_string(s, "keymap_model",
(char **) &xkb_names.model, NULL);
weston_config_section_get_string(s, "keymap_layout",
(char **) &xkb_names.layout, NULL);
weston_config_section_get_string(s, "keymap_variant",
(char **) &xkb_names.variant, NULL);
weston_config_section_get_string(s, "keymap_options",
(char **) &xkb_names.options, NULL);
if (weston_compositor_set_xkb_rule_names(ec, &xkb_names) < 0)
return -1;
weston_config_section_get_int(s, "repeat-rate",
&ec->kb_repeat_rate, 40);
weston_config_section_get_int(s, "repeat-delay",
&ec->kb_repeat_delay, 400);
weston_config_section_get_bool(s, "vt-switching",
&ec->vt_switching, true);
s = weston_config_get_section(config, "core", NULL, NULL);
weston_config_section_get_int(s, "repaint-window", &repaint_msec,
ec->repaint_msec);
if (repaint_msec < -10 || repaint_msec > 1000) {
weston_log("Invalid repaint_window value in config: %d\n",
repaint_msec);
} else {
ec->repaint_msec = repaint_msec;
}
weston_log("Output repaint window is %d ms maximum.\n",
ec->repaint_msec);
weston_config_section_get_bool(s, "color-management",
&color_management, false);
if (color_management) {
if (weston_compositor_load_color_manager(ec) < 0)
return -1;
else
compositor->use_color_manager = true;
}
s = weston_config_get_section(config, "libinput", NULL, NULL);
weston_config_section_get_bool(s, "touchscreen_calibrator", &cal, 0);
if (cal)
weston_compositor_enable_touch_calibrator(ec,
save_touch_device_calibration);
return 0;
}
static char *
weston_choose_default_backend(void)
{
char *backend = NULL;
if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
backend = strdup("wayland");
else if (getenv("DISPLAY"))
backend = strdup("x11");
else
backend = strdup(WESTON_NATIVE_BACKEND);
return backend;
}
static const struct { const char *name; uint32_t token; } transforms[] = {
{ "normal", WL_OUTPUT_TRANSFORM_NORMAL },
{ "rotate-90", WL_OUTPUT_TRANSFORM_90 },
{ "rotate-180", WL_OUTPUT_TRANSFORM_180 },
{ "rotate-270", WL_OUTPUT_TRANSFORM_270 },
{ "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
{ "flipped-rotate-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
};
WL_EXPORT int
weston_parse_transform(const char *transform, uint32_t *out)
{
unsigned int i;
for (i = 0; i < ARRAY_LENGTH(transforms); i++)
if (strcmp(transforms[i].name, transform) == 0) {
*out = transforms[i].token;
return 0;
}
*out = WL_OUTPUT_TRANSFORM_NORMAL;
return -1;
}
WL_EXPORT const char *
weston_transform_to_string(uint32_t output_transform)
{
unsigned int i;
for (i = 0; i < ARRAY_LENGTH(transforms); i++)
if (transforms[i].token == output_transform)
return transforms[i].name;
return "<illegal value>";
}
static int
load_configuration(struct weston_config **config, int32_t noconfig,
const char *config_file)
{
const char *file = "weston.ini";
const char *full_path;
*config = NULL;
if (config_file)
file = config_file;
if (noconfig == 0)
*config = weston_config_parse(file);
if (*config) {
full_path = weston_config_get_full_path(*config);
weston_log("Using config file '%s'\n", full_path);
setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
return 0;
}
if (config_file && noconfig == 0) {
weston_log("fatal: error opening or reading config file"
" '%s'.\n", config_file);
return -1;
}
weston_log("Starting with no config file.\n");
setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
return 0;
}
static void
handle_exit(struct weston_compositor *c)
{
wl_display_terminate(c->wl_display);
}
static void
wet_output_set_scale(struct weston_output *output,
struct weston_config_section *section,
int32_t default_scale,
int32_t parsed_scale)
{
int32_t scale = default_scale;
if (section)
weston_config_section_get_int(section, "scale", &scale, default_scale);
if (parsed_scale)
scale = parsed_scale;
weston_output_set_scale(output, scale);
}
* enumeration value and the parameter is unsigned
*/
static int
wet_output_set_transform(struct weston_output *output,
struct weston_config_section *section,
uint32_t default_transform,
uint32_t parsed_transform)
{
char *t = NULL;
uint32_t transform = default_transform;
if (section) {
weston_config_section_get_string(section,
"transform", &t, NULL);
}
if (t) {
if (weston_parse_transform(t, &transform) < 0) {
weston_log("Invalid transform \"%s\" for output %s\n",
t, output->name);
return -1;
}
free(t);
}
if (parsed_transform != UINT32_MAX)
transform = parsed_transform;
weston_output_set_transform(output, transform);
return 0;
}
static int
wet_output_set_color_profile(struct weston_output *output,
struct weston_config_section *section,
struct weston_color_profile *parent_winsys_profile)
{
struct wet_compositor *compositor = to_wet_compositor(output->compositor);
struct weston_color_profile *cprof;
char *icc_file = NULL;
bool ok;
if (!compositor->use_color_manager)
return 0;
if (section) {
weston_config_section_get_string(section, "icc_profile",
&icc_file, NULL);
}
if (icc_file) {
cprof = weston_compositor_load_icc_file(output->compositor,
icc_file);
free(icc_file);
} else if (parent_winsys_profile) {
cprof = weston_color_profile_ref(parent_winsys_profile);
} else {
return 0;
}
if (!cprof)
return -1;
ok = weston_output_set_color_profile(output, cprof);
if (!ok) {
weston_log("Error: failed to set color profile '%s' for output %s\n",
weston_color_profile_get_description(cprof),
output->name);
}
weston_color_profile_unref(cprof);
return ok ? 0 : -1;
}
static int
wet_output_set_eotf_mode(struct weston_output *output,
struct weston_config_section *section)
{
static const struct {
const char *name;
enum weston_eotf_mode eotf_mode;
} modes[] = {
{ "sdr", WESTON_EOTF_MODE_SDR },
{ "hdr-gamma", WESTON_EOTF_MODE_TRADITIONAL_HDR },
{ "st2084", WESTON_EOTF_MODE_ST2084 },
{ "hlg", WESTON_EOTF_MODE_HLG },
};
struct wet_compositor *compositor;
enum weston_eotf_mode eotf_mode = WESTON_EOTF_MODE_SDR;
char *str = NULL;
unsigned i;
compositor = to_wet_compositor(output->compositor);
if (section) {
weston_config_section_get_string(section, "eotf-mode",
&str, NULL);
}
if (!str) {
assert(weston_output_get_supported_eotf_modes(output) & eotf_mode);
weston_output_set_eotf_mode(output, eotf_mode);
return 0;
}
for (i = 0; i < ARRAY_LENGTH(modes); i++)
if (strcmp(str, modes[i].name) == 0)
break;
if (i == ARRAY_LENGTH(modes)) {
weston_log("Error in config for output '%s': '%s' is not a valid EOTF mode. Try one of:",
output->name, str);
for (i = 0; i < ARRAY_LENGTH(modes); i++)
weston_log_continue(" %s", modes[i].name);
weston_log_continue("\n");
return -1;
}
eotf_mode = modes[i].eotf_mode;
if ((weston_output_get_supported_eotf_modes(output) & eotf_mode) == 0) {
weston_log("Error: output '%s' does not support EOTF mode %s.\n",
output->name, str);
#if !HAVE_LIBDISPLAY_INFO
weston_log_continue(STAMP_SPACE "Weston was built without libdisplay-info, "
"so HDR capabilities cannot be detected.\n");
#endif
free(str);
return -1;
}
if (eotf_mode != WESTON_EOTF_MODE_SDR &&
!compositor->use_color_manager) {
weston_log("Error: EOTF mode %s on output '%s' requires color-management=true in weston.ini\n",
str, output->name);
free(str);
return -1;
}
weston_output_set_eotf_mode(output, eotf_mode);
free(str);
return 0;
}
struct wet_color_characteristics_keys {
const char *name;
enum weston_color_characteristics_groups group;
float minval;
float maxval;
};
#define COLOR_CHARAC_NAME "color_characteristics"
static int
parse_color_characteristics(struct weston_color_characteristics *cc_out,
struct weston_config_section *section)
{
static const struct wet_color_characteristics_keys keys[] = {
{ "red_x", WESTON_COLOR_CHARACTERISTICS_GROUP_PRIMARIES, 0.0f, 1.0f },
{ "red_y", WESTON_COLOR_CHARACTERISTICS_GROUP_PRIMARIES, 0.0f, 1.0f },
{ "green_x", WESTON_COLOR_CHARACTERISTICS_GROUP_PRIMARIES, 0.0f, 1.0f },
{ "green_y", WESTON_COLOR_CHARACTERISTICS_GROUP_PRIMARIES, 0.0f, 1.0f },
{ "blue_x", WESTON_COLOR_CHARACTERISTICS_GROUP_PRIMARIES, 0.0f, 1.0f },
{ "blue_y", WESTON_COLOR_CHARACTERISTICS_GROUP_PRIMARIES, 0.0f, 1.0f },
{ "white_x", WESTON_COLOR_CHARACTERISTICS_GROUP_WHITE, 0.0f, 1.0f },
{ "white_y", WESTON_COLOR_CHARACTERISTICS_GROUP_WHITE, 0.0f, 1.0f },
{ "max_L", WESTON_COLOR_CHARACTERISTICS_GROUP_MAXL, 0.0f, 1e5f },
{ "min_L", WESTON_COLOR_CHARACTERISTICS_GROUP_MINL, 0.0f, 1e5f },
{ "maxFALL", WESTON_COLOR_CHARACTERISTICS_GROUP_MAXFALL, 0.0f, 1e5f },
};
static const char *msgpfx = "Config error in weston.ini [" COLOR_CHARAC_NAME "]";
struct weston_color_characteristics cc = {};
float *const keyvalp[ARRAY_LENGTH(keys)] = {
&cc.primary[0].x, &cc.primary[0].y,
&cc.primary[1].x, &cc.primary[1].y,
&cc.primary[2].x, &cc.primary[2].y,
&cc.white.x, &cc.white.y,
&cc.max_luminance,
&cc.min_luminance,
&cc.maxFALL,
};
bool found[ARRAY_LENGTH(keys)] = {};
uint32_t missing_group_mask = 0;
unsigned i;
char *section_name;
int ret = 0;
weston_config_section_get_string(section, "name",
§ion_name, "<unnamed>");
if (strchr(section_name, ':') != NULL) {
ret = -1;
weston_log("%s name=%s: reserved name. Do not use ':' character in the name.\n",
msgpfx, section_name);
}
for (i = 0; i < ARRAY_LENGTH(keys); i++) {
double value;
if (weston_config_section_get_double(section, keys[i].name,
&value, NAN) == 0) {
float f = value;
found[i] = true;
if (f >= keys[i].minval && f <= keys[i].maxval) {
*keyvalp[i] = f;
continue;
}
ret = -1;
weston_log("%s name=%s: %s value %f is outside of the range %f - %f.\n",
msgpfx, section_name, keys[i].name, value,
keys[i].minval, keys[i].maxval);
continue;
}
if (errno == EINVAL) {
found[i] = true;
ret = -1;
weston_log("%s name=%s: failed to parse the value of key %s.\n",
msgpfx, section_name, keys[i].name);
}
}
for (i = 0; i < ARRAY_LENGTH(keys); i++) {
uint32_t group = keys[i].group;
if (found[i])
cc.group_mask |= group;
else
missing_group_mask |= group;
}
for (i = 0; i < ARRAY_LENGTH(keys); i++) {
uint32_t group = keys[i].group;
if ((cc.group_mask & group) && (missing_group_mask & group)) {
ret = -1;
weston_log("%s name=%s: group %d key %s is %s. "
"You must set either none or all keys of a group.\n",
msgpfx, section_name, ffs(group), keys[i].name,
found[i] ? "set" : "missing");
}
}
free(section_name);
if (ret == 0)
*cc_out = cc;
return ret;
}
WESTON_EXPORT_FOR_TESTS int
wet_output_set_color_characteristics(struct weston_output *output,
struct weston_config *wc,
struct weston_config_section *section)
{
char *cc_name = NULL;
struct weston_config_section *cc_section;
struct weston_color_characteristics cc;
weston_config_section_get_string(section, COLOR_CHARAC_NAME,
&cc_name, NULL);
if (!cc_name)
return 0;
cc_section = weston_config_get_section(wc, COLOR_CHARAC_NAME,
"name", cc_name);
if (!cc_section) {
weston_log("Config error in weston.ini, output %s: "
"no [" COLOR_CHARAC_NAME "] section with 'name=%s' found.\n",
output->name, cc_name);
goto out_error;
}
if (parse_color_characteristics(&cc, cc_section) < 0)
goto out_error;
weston_output_set_color_characteristics(output, &cc);
free(cc_name);
return 0;
out_error:
free(cc_name);
return -1;
}
static void
allow_content_protection(struct weston_output *output,
struct weston_config_section *section)
{
bool allow_hdcp = true;
if (section)
weston_config_section_get_bool(section, "allow_hdcp",
&allow_hdcp, true);
weston_output_allow_protection(output, allow_hdcp);
}
static void
parse_simple_mode(struct weston_output *output,
struct weston_config_section *section, int *width,
int *height, struct wet_output_config *defaults,
struct wet_output_config *parsed_options)
{
*width = defaults->width;
*height = defaults->height;
if (section) {
char *mode;
weston_config_section_get_string(section, "mode", &mode, NULL);
if (!mode || sscanf(mode, "%dx%d", width, height) != 2) {
weston_log("Invalid mode for output %s. Using defaults.\n",
output->name);
*width = defaults->width;
*height = defaults->height;
}
free(mode);
}
if (parsed_options->width)
*width = parsed_options->width;
if (parsed_options->height)
*height = parsed_options->height;
}
static int
wet_configure_windowed_output_from_config(struct weston_output *output,
struct wet_output_config *defaults)
{
const struct weston_windowed_output_api *api =
weston_windowed_output_get_api(output->compositor);
struct weston_config *wc = wet_get_config(output->compositor);
struct weston_config_section *section = NULL;
struct wet_compositor *compositor = to_wet_compositor(output->compositor);
struct wet_output_config *parsed_options = compositor->parsed_options;
int width;
int height;
assert(parsed_options);
if (!api) {
weston_log("Cannot use weston_windowed_output_api.\n");
return -1;
}
section = weston_config_get_section(wc, "output", "name", output->name);
parse_simple_mode(output, section, &width, &height, defaults,
parsed_options);
allow_content_protection(output, section);
wet_output_set_scale(output, section, defaults->scale, parsed_options->scale);
if (wet_output_set_transform(output, section, defaults->transform,
parsed_options->transform) < 0) {
return -1;
}
if (wet_output_set_color_profile(output, section, NULL) < 0)
return -1;
if (api->output_set_size(output, width, height) < 0) {
weston_log("Cannot configure output \"%s\" using weston_windowed_output_api.\n",
output->name);
return -1;
}
return 0;
}
static int
count_remaining_heads(struct weston_output *output, struct weston_head *to_go)
{
struct weston_head *iter = NULL;
int n = 0;
while ((iter = weston_output_iterate_heads(output, iter))) {
if (iter != to_go)
n++;
}
return n;
}
static void
wet_head_tracker_destroy(struct wet_head_tracker *track)
{
wl_list_remove(&track->head_destroy_listener.link);
free(track);
}
static void
handle_head_destroy(struct wl_listener *listener, void *data)
{
struct weston_head *head = data;
struct weston_output *output;
struct wet_head_tracker *track =
container_of(listener, struct wet_head_tracker,
head_destroy_listener);
wet_head_tracker_destroy(track);
output = weston_head_get_output(head);
if (!output)
return;
if (count_remaining_heads(output, head) > 0)
return;
weston_output_destroy(output);
}
static struct wet_head_tracker *
wet_head_tracker_from_head(struct weston_head *head)
{
struct wl_listener *lis;
lis = weston_head_get_destroy_listener(head, handle_head_destroy);
if (!lis)
return NULL;
return container_of(lis, struct wet_head_tracker,
head_destroy_listener);
}
*
* If a head is destroyed and it was the last head on the output, we
* destroy the associated output.
*
* Do not bother destroying the head trackers on shutdown, the backend will
* destroy the heads which calls our handler to destroy the trackers.
*/
static void
wet_head_tracker_create(struct wet_compositor *compositor,
struct weston_head *head)
{
struct wet_head_tracker *track;
track = zalloc(sizeof *track);
if (!track)
return;
track->head_destroy_listener.notify = handle_head_destroy;
weston_head_add_destroy_listener(head, &track->head_destroy_listener);
}
*
* Historically, we haven't given much thought to output placement,
* simply adding outputs in a horizontal line as they're enabled. This
* function simply sets an output's x coordinate to the right of the
* most recently enabled output, and its y to zero.
*
* If you're adding new calls to this function, you're also not giving
* much thought to output placement, so please consider carefully if
* it's really doing what you want.
*
* You especially don't want to use this for any code that won't
* immediately enable the passed output.
*/
static void
weston_output_lazy_align(struct weston_output *output)
{
struct weston_compositor *c;
struct weston_output *peer;
int next_x = 0;
c = output->compositor;
if (!wl_list_empty(&c->output_list)) {
peer = container_of(c->output_list.prev,
struct weston_output, link);
next_x = peer->x + peer->width;
}
output->x = next_x;
output->y = 0;
}
static void
simple_head_enable(struct wet_compositor *wet, struct weston_head *head)
{
struct weston_output *output;
int ret = 0;
output = weston_compositor_create_output(wet->compositor, head,
head->name);
if (!output) {
weston_log("Could not create an output for head \"%s\".\n",
weston_head_get_name(head));
wet->init_failed = true;
return;
}
weston_output_lazy_align(output);
if (wet->simple_output_configure)
ret = wet->simple_output_configure(output);
if (ret < 0) {
weston_log("Cannot configure output \"%s\".\n",
weston_head_get_name(head));
weston_output_destroy(output);
wet->init_failed = true;
return;
}
if (weston_output_enable(output) < 0) {
weston_log("Enabling output \"%s\" failed.\n",
weston_head_get_name(head));
weston_output_destroy(output);
wet->init_failed = true;
return;
}
wet_head_tracker_create(wet, head);
}
static void
simple_head_disable(struct weston_head *head)
{
struct weston_output *output;
struct wet_head_tracker *track;
track = wet_head_tracker_from_head(head);
if (track)
wet_head_tracker_destroy(track);
output = weston_head_get_output(head);
assert(output);
weston_output_destroy(output);
}
static void
simple_heads_changed(struct wl_listener *listener, void *arg)
{
struct weston_compositor *compositor = arg;
struct wet_compositor *wet = to_wet_compositor(compositor);
struct weston_head *head = NULL;
bool connected;
bool enabled;
bool changed;
bool non_desktop;
while ((head = weston_compositor_iterate_heads(wet->compositor, head))) {
connected = weston_head_is_connected(head);
enabled = weston_head_is_enabled(head);
changed = weston_head_is_device_changed(head);
non_desktop = weston_head_is_non_desktop(head);
if (connected && !enabled && !non_desktop) {
simple_head_enable(wet, head);
} else if (!connected && enabled) {
simple_head_disable(head);
} else if (enabled && changed) {
weston_log("Detected a monitor change on head '%s', "
"not bothering to do anything about it.\n",
weston_head_get_name(head));
}
weston_head_reset_device_changed(head);
}
}
static void
wet_set_simple_head_configurator(struct weston_compositor *compositor,
int (*fn)(struct weston_output *))
{
struct wet_compositor *wet = to_wet_compositor(compositor);
wet->simple_output_configure = fn;
wet->heads_changed_listener.notify = simple_heads_changed;
weston_compositor_add_heads_changed_listener(compositor,
&wet->heads_changed_listener);
}
static void
configure_input_device_accel(struct weston_config_section *s,
struct libinput_device *device)
{
char *profile_string = NULL;
int is_a_profile = 1;
uint32_t profiles;
enum libinput_config_accel_profile profile;
double speed;
if (weston_config_section_get_string(s, "accel-profile",
&profile_string, NULL) == 0) {
if (strcmp(profile_string, "flat") == 0)
profile = LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT;
else if (strcmp(profile_string, "adaptive") == 0)
profile = LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE;
else {
weston_log("warning: no such accel-profile: %s\n",
profile_string);
is_a_profile = 0;
}
profiles = libinput_device_config_accel_get_profiles(device);
if (is_a_profile && (profile & profiles) != 0) {
weston_log(" accel-profile=%s\n",
profile_string);
libinput_device_config_accel_set_profile(device,
profile);
}
}
if (weston_config_section_get_double(s, "accel-speed",
&speed, 0) == 0 &&
speed >= -1. && speed <= 1.) {
weston_log(" accel-speed=%.3f\n", speed);
libinput_device_config_accel_set_speed(device, speed);
}
free(profile_string);
}
static void
configure_input_device_scroll(struct weston_config_section *s,
struct libinput_device *device)
{
bool natural;
char *method_string = NULL;
uint32_t methods;
enum libinput_config_scroll_method method;
char *button_string = NULL;
int button;
if (libinput_device_config_scroll_has_natural_scroll(device) &&
weston_config_section_get_bool(s, "natural-scroll",
&natural, false) == 0) {
weston_log(" natural-scroll=%s\n",
natural ? "true" : "false");
libinput_device_config_scroll_set_natural_scroll_enabled(
device, natural);
}
if (weston_config_section_get_string(s, "scroll-method",
&method_string, NULL) != 0)
goto done;
if (strcmp(method_string, "two-finger") == 0)
method = LIBINPUT_CONFIG_SCROLL_2FG;
else if (strcmp(method_string, "edge") == 0)
method = LIBINPUT_CONFIG_SCROLL_EDGE;
else if (strcmp(method_string, "button") == 0)
method = LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN;
else if (strcmp(method_string, "none") == 0)
method = LIBINPUT_CONFIG_SCROLL_NO_SCROLL;
else {
weston_log("warning: no such scroll-method: %s\n",
method_string);
goto done;
}
methods = libinput_device_config_scroll_get_methods(device);
if (method != LIBINPUT_CONFIG_SCROLL_NO_SCROLL &&
(method & methods) == 0)
goto done;
weston_log(" scroll-method=%s\n", method_string);
libinput_device_config_scroll_set_method(device, method);
if (method == LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN) {
if (weston_config_section_get_string(s, "scroll-button",
&button_string,
NULL) != 0)
goto done;
button = libevdev_event_code_from_name(EV_KEY, button_string);
if (button == -1) {
weston_log(" Bad scroll-button: %s\n",
button_string);
goto done;
}
weston_log(" scroll-button=%s\n", button_string);
libinput_device_config_scroll_set_button(device, button);
}
done:
free(method_string);
free(button_string);
}
static void
configure_input_device(struct weston_compositor *compositor,
struct libinput_device *device)
{
struct weston_config_section *s;
struct weston_config *config = wet_get_config(compositor);
bool has_enable_tap = false;
bool enable_tap;
bool disable_while_typing;
bool middle_emulation;
bool tap_and_drag;
bool tap_and_drag_lock;
bool left_handed;
unsigned int rotation;
weston_log("libinput: configuring device \"%s\".\n",
libinput_device_get_name(device));
s = weston_config_get_section(config,
"libinput", NULL, NULL);
if (libinput_device_config_tap_get_finger_count(device) > 0) {
if (weston_config_section_get_bool(s, "enable_tap",
&enable_tap, false) == 0) {
weston_log("!!DEPRECATION WARNING!!: In weston.ini, "
"enable_tap is deprecated in favour of "
"enable-tap. Support for it may be removed "
"at any time!");
has_enable_tap = true;
}
if (weston_config_section_get_bool(s, "enable-tap",
&enable_tap, false) == 0)
has_enable_tap = true;
if (has_enable_tap) {
weston_log(" enable-tap=%s.\n",
enable_tap ? "true" : "false");
libinput_device_config_tap_set_enabled(device,
enable_tap);
}
if (weston_config_section_get_bool(s, "tap-and-drag",
&tap_and_drag, false) == 0) {
weston_log(" tap-and-drag=%s.\n",
tap_and_drag ? "true" : "false");
libinput_device_config_tap_set_drag_enabled(device,
tap_and_drag);
}
if (weston_config_section_get_bool(s, "tap-and-drag-lock",
&tap_and_drag_lock, false) == 0) {
weston_log(" tap-and-drag-lock=%s.\n",
tap_and_drag_lock ? "true" : "false");
libinput_device_config_tap_set_drag_lock_enabled(
device, tap_and_drag_lock);
}
}
if (libinput_device_config_dwt_is_available(device) &&
weston_config_section_get_bool(s, "disable-while-typing",
&disable_while_typing, false) == 0) {
weston_log(" disable-while-typing=%s.\n",
disable_while_typing ? "true" : "false");
libinput_device_config_dwt_set_enabled(device,
disable_while_typing);
}
if (libinput_device_config_middle_emulation_is_available(device) &&
weston_config_section_get_bool(s, "middle-button-emulation",
&middle_emulation, false) == 0) {
weston_log(" middle-button-emulation=%s\n",
middle_emulation ? "true" : "false");
libinput_device_config_middle_emulation_set_enabled(
device, middle_emulation);
}
if (libinput_device_config_left_handed_is_available(device) &&
weston_config_section_get_bool(s, "left-handed",
&left_handed, false) == 0) {
weston_log(" left-handed=%s\n",
left_handed ? "true" : "false");
libinput_device_config_left_handed_set(device, left_handed);
}
if (libinput_device_config_rotation_is_available(device) &&
weston_config_section_get_uint(s, "rotation",
&rotation, false) == 0) {
weston_log(" rotation=%u\n", rotation);
libinput_device_config_rotation_set_angle(device, rotation);
}
if (libinput_device_config_accel_is_available(device))
configure_input_device_accel(s, device);
configure_input_device_scroll(s, device);
}
static int
drm_backend_output_configure(struct weston_output *output,
struct weston_config_section *section)
{
struct wet_compositor *wet = to_wet_compositor(output->compositor);
const struct weston_drm_output_api *api;
enum weston_drm_backend_output_mode mode =
WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
uint32_t max_bpc = 0;
bool max_bpc_specified = false;
char *s;
char *modeline = NULL;
char *gbm_format = NULL;
char *content_type = NULL;
char *seat = NULL;
api = weston_drm_output_get_api(output->compositor);
if (!api) {
weston_log("Cannot use weston_drm_output_api.\n");
return -1;
}
weston_config_section_get_string(section, "mode", &s, "preferred");
if (weston_config_section_get_uint(section, "max-bpc", &max_bpc, 16) == 0)
max_bpc_specified = true;
if (strcmp(s, "off") == 0) {
assert(0 && "off was supposed to be pruned");
return -1;
} else if (wet->drm_use_current_mode || strcmp(s, "current") == 0) {
mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
use current max_bpc so full modeset is not done. */
if (!max_bpc_specified)
max_bpc = 0;
} else if (strcmp(s, "preferred") != 0) {
modeline = s;
s = NULL;
}
free(s);
if (api->set_mode(output, mode, modeline) < 0) {
weston_log("Cannot configure an output using weston_drm_output_api.\n");
free(modeline);
return -1;
}
free(modeline);
api->set_max_bpc(output, max_bpc);
if (count_remaining_heads(output, NULL) == 1) {
struct weston_head *head = weston_output_get_first_head(output);
transform = weston_head_get_transform(head);
}
wet_output_set_scale(output, section, 1, 0);
if (wet_output_set_transform(output, section, transform,
UINT32_MAX) < 0) {
return -1;
}
if (wet_output_set_color_profile(output, section, NULL) < 0)
return -1;
weston_config_section_get_string(section,
"gbm-format", &gbm_format, NULL);
api->set_gbm_format(output, gbm_format);
free(gbm_format);
weston_config_section_get_string(section,
"content-type", &content_type, NULL);
if (api->set_content_type(output, content_type) < 0)
return -1;
free(content_type);
weston_config_section_get_string(section, "seat", &seat, "");
api->set_seat(output, seat);
free(seat);
allow_content_protection(output, section);
if (wet_output_set_eotf_mode(output, section) < 0)
return -1;
if (wet_output_set_color_characteristics(output,
wet->config, section) < 0)
return -1;
return 0;
}
* named head. If an output section with the given name contains
* a "same-as" key, ignore all other settings in the output section and
* instead find an output section named by the "same-as". Do this
* recursively.
*/
static struct weston_config_section *
drm_config_find_controlling_output_section(struct weston_config *config,
const char *head_name)
{
struct weston_config_section *section;
char *same_as;
int depth = 0;
same_as = strdup(head_name);
do {
section = weston_config_get_section(config, "output",
"name", same_as);
if (!section && depth > 0)
weston_log("Configuration error: "
"output section referred to with "
"'same-as=%s' not found.\n", same_as);
free(same_as);
if (!section)
return NULL;
if (++depth > 10) {
weston_log("Configuration error: "
"'same-as' nested too deep for output '%s'.\n",
head_name);
return NULL;
}
weston_config_section_get_string(section, "same-as",
&same_as, NULL);
} while (same_as);
return section;
}
static struct wet_layoutput *
wet_compositor_create_layoutput(struct wet_compositor *compositor,
const char *name,
struct weston_config_section *section)
{
struct wet_layoutput *lo;
lo = zalloc(sizeof *lo);
if (!lo)
return NULL;
lo->compositor = compositor;
wl_list_insert(compositor->layoutput_list.prev, &lo->compositor_link);
wl_list_init(&lo->output_list);
lo->name = strdup(name);
lo->section = section;
return lo;
}
static void
wet_layoutput_destroy(struct wet_layoutput *lo)
{
wl_list_remove(&lo->compositor_link);
assert(wl_list_empty(&lo->output_list));
free(lo->name);
free(lo);
}
static void
wet_output_handle_destroy(struct wl_listener *listener, void *data)
{
struct wet_output *output;
output = wl_container_of(listener, output, output_destroy_listener);
assert(output->output == data);
output->output = NULL;
wl_list_remove(&output->output_destroy_listener.link);
}
static struct wet_output *
wet_layoutput_create_output_with_head(struct wet_layoutput *lo,
const char *name,
struct weston_head *head)
{
struct wet_output *output;
output = zalloc(sizeof *output);
if (!output)
return NULL;
output->output =
weston_compositor_create_output(lo->compositor->compositor,
head, name);
if (!output->output) {
free(output);
return NULL;
}
output->layoutput = lo;
wl_list_insert(lo->output_list.prev, &output->link);
output->output_destroy_listener.notify = wet_output_handle_destroy;
weston_output_add_destroy_listener(output->output,
&output->output_destroy_listener);
return output;
}
static struct wet_output *
wet_output_from_weston_output(struct weston_output *base)
{
struct wl_listener *lis;
lis = weston_output_get_destroy_listener(base,
wet_output_handle_destroy);
if (!lis)
return NULL;
return container_of(lis, struct wet_output, output_destroy_listener);
}
static void
wet_output_destroy(struct wet_output *output)
{
if (output->output) {
* drm_output_destroy()), so we need to forcibly trigger the
* destruction callback now, or otherwise would later access
* data that we are about to free
*/
struct weston_output *save = output->output;
wet_output_handle_destroy(&output->output_destroy_listener, save);
weston_output_destroy(save);
}
wl_list_remove(&output->link);
free(output);
}
static struct wet_layoutput *
wet_compositor_find_layoutput(struct wet_compositor *wet, const char *name)
{
struct wet_layoutput *lo;
wl_list_for_each(lo, &wet->layoutput_list, compositor_link)
if (strcmp(lo->name, name) == 0)
return lo;
return NULL;
}
static void
wet_compositor_layoutput_add_head(struct wet_compositor *wet,
const char *output_name,
struct weston_config_section *section,
struct weston_head *head)
{
struct wet_layoutput *lo;
lo = wet_compositor_find_layoutput(wet, output_name);
if (!lo) {
lo = wet_compositor_create_layoutput(wet, output_name, section);
if (!lo)
return;
}
if (lo->add.n + 1 >= ARRAY_LENGTH(lo->add.heads))
return;
lo->add.heads[lo->add.n++] = head;
}
static void
wet_compositor_destroy_layout(struct wet_compositor *wet)
{
struct wet_layoutput *lo, *lo_tmp;
struct wet_output *output, *output_tmp;
wl_list_for_each_safe(lo, lo_tmp,
&wet->layoutput_list, compositor_link) {
wl_list_for_each_safe(output, output_tmp,
&lo->output_list, link) {
wet_output_destroy(output);
}
wet_layoutput_destroy(lo);
}
}
static void
drm_head_prepare_enable(struct wet_compositor *wet,
struct weston_head *head)
{
const char *name = weston_head_get_name(head);
struct weston_config_section *section;
char *output_name = NULL;
char *mode = NULL;
section = drm_config_find_controlling_output_section(wet->config, name);
if (section) {
* explicitly enabled. The backend turns them off automatically.
*/
weston_config_section_get_string(section, "mode", &mode, NULL);
if (mode && strcmp(mode, "off") == 0) {
free(mode);
return;
}
if (!mode && weston_head_is_non_desktop(head))
return;
free(mode);
weston_config_section_get_string(section, "name",
&output_name, NULL);
assert(output_name);
wet_compositor_layoutput_add_head(wet, output_name,
section, head);
free(output_name);
} else {
wet_compositor_layoutput_add_head(wet, name, NULL, head);
}
}
static bool
drm_head_should_force_enable(struct wet_compositor *wet,
struct weston_head *head)
{
const char *name = weston_head_get_name(head);
struct weston_config_section *section;
bool force;
section = drm_config_find_controlling_output_section(wet->config, name);
if (!section)
return false;
weston_config_section_get_bool(section, "force-on", &force, false);
return force;
}
static void
drm_try_attach(struct weston_output *output,
struct wet_head_array *add,
struct wet_head_array *failed)
{
unsigned i;
for (i = 1; i < add->n; i++) {
if (!add->heads[i])
continue;
if (weston_output_attach_head(output, add->heads[i]) < 0) {
assert(failed->n < ARRAY_LENGTH(failed->heads));
failed->heads[failed->n++] = add->heads[i];
add->heads[i] = NULL;
}
}
}
static int
drm_try_enable(struct weston_output *output,
struct wet_head_array *undo,
struct wet_head_array *failed)
{
while (!output->enabled) {
weston_output_lazy_align(output);
if (weston_output_enable(output) == 0)
return 0;
while (undo->n > 0 && undo->heads[--undo->n] == NULL)
;
if (undo->heads[undo->n] == NULL)
return -1;
assert(failed->n < ARRAY_LENGTH(failed->heads));
weston_head_detach(undo->heads[undo->n]);
failed->heads[failed->n++] = undo->heads[undo->n];
undo->heads[undo->n] = NULL;
}
return 0;
}
static int
drm_try_attach_enable(struct weston_output *output, struct wet_layoutput *lo)
{
struct wet_head_array failed = {};
unsigned i;
assert(!output->enabled);
drm_try_attach(output, &lo->add, &failed);
if (drm_backend_output_configure(output, lo->section) < 0)
return -1;
if (drm_try_enable(output, &lo->add, &failed) < 0)
return -1;
for (i = 0; i < lo->add.n; i++)
if (lo->add.heads[i])
wet_head_tracker_create(lo->compositor,
lo->add.heads[i]);
lo->add = failed;
return 0;
}
static int
drm_process_layoutput(struct wet_compositor *wet, struct wet_layoutput *lo)
{
struct wet_output *output, *tmp;
char *name = NULL;
int ret;
* For each existing wet_output:
* try attach
* While heads left to enable:
* Create output
* try attach, try enable
*/
wl_list_for_each_safe(output, tmp, &lo->output_list, link) {
struct wet_head_array failed = {};
if (!output->output) {
wet_output_destroy(output);
continue;
}
assert(output->output->enabled);
drm_try_attach(output->output, &lo->add, &failed);
lo->add = failed;
if (lo->add.n == 0)
return 0;
}
if (!weston_compositor_find_output_by_name(wet->compositor, lo->name))
name = strdup(lo->name);
while (lo->add.n > 0) {
if (!wl_list_empty(&lo->output_list)) {
weston_log("Error: independent-CRTC clone mode is not implemented.\n");
return -1;
}
if (!name) {
ret = asprintf(&name, "%s:%s", lo->name,
weston_head_get_name(lo->add.heads[0]));
if (ret < 0)
return -1;
}
output = wet_layoutput_create_output_with_head(lo, name,
lo->add.heads[0]);
free(name);
name = NULL;
if (!output)
return -1;
if (drm_try_attach_enable(output->output, lo) < 0) {
wet_output_destroy(output);
return -1;
}
}
return 0;
}
static int
drm_process_layoutputs(struct wet_compositor *wet)
{
struct wet_layoutput *lo;
int ret = 0;
wl_list_for_each(lo, &wet->layoutput_list, compositor_link) {
if (lo->add.n == 0)
continue;
if (drm_process_layoutput(wet, lo) < 0) {
lo->add = (struct wet_head_array){};
ret = -1;
}
}
return ret;
}
static void
drm_head_disable(struct weston_head *head)
{
struct weston_output *output_base;
struct wet_output *output;
struct wet_head_tracker *track;
track = wet_head_tracker_from_head(head);
if (track)
wet_head_tracker_destroy(track);
output_base = weston_head_get_output(head);
assert(output_base);
output = wet_output_from_weston_output(output_base);
assert(output && output->output == output_base);
weston_head_detach(head);
if (count_remaining_heads(output->output, NULL) == 0)
wet_output_destroy(output);
}
static void
drm_heads_changed(struct wl_listener *listener, void *arg)
{
struct weston_compositor *compositor = arg;
struct wet_compositor *wet = to_wet_compositor(compositor);
struct weston_head *head = NULL;
bool connected;
bool enabled;
bool changed;
bool forced;
* output.
*/
while ((head = weston_compositor_iterate_heads(compositor, head))) {
connected = weston_head_is_connected(head);
enabled = weston_head_is_enabled(head);
changed = weston_head_is_device_changed(head);
forced = drm_head_should_force_enable(wet, head);
if ((connected || forced) && !enabled) {
drm_head_prepare_enable(wet, head);
} else if (!(connected || forced) && enabled) {
drm_head_disable(head);
} else if (enabled && changed) {
weston_log("Detected a monitor change on head '%s', "
"not bothering to do anything about it.\n",
weston_head_get_name(head));
}
weston_head_reset_device_changed(head);
}
if (drm_process_layoutputs(wet) < 0)
wet->init_failed = true;
}
static int
drm_backend_remoted_output_configure(struct weston_output *output,
struct weston_config_section *section,
char *modeline,
const struct weston_remoting_api *api)
{
char *gbm_format = NULL;
char *seat = NULL;
char *host = NULL;
char *pipeline = NULL;
int port, ret;
ret = api->set_mode(output, modeline);
if (ret < 0) {
weston_log("Cannot configure an output \"%s\" using "
"weston_remoting_api. Invalid mode\n",
output->name);
return -1;
}
wet_output_set_scale(output, section, 1, 0);
if (wet_output_set_transform(output, section,
WL_OUTPUT_TRANSFORM_NORMAL,
UINT32_MAX) < 0) {
return -1;
};
if (wet_output_set_color_profile(output, section, NULL) < 0)
return -1;
weston_config_section_get_string(section, "gbm-format", &gbm_format,
NULL);
api->set_gbm_format(output, gbm_format);
free(gbm_format);
weston_config_section_get_string(section, "seat", &seat, "");
api->set_seat(output, seat);
free(seat);
weston_config_section_get_string(section, "gst-pipeline", &pipeline,
NULL);
if (pipeline) {
api->set_gst_pipeline(output, pipeline);
free(pipeline);
return 0;
}
weston_config_section_get_string(section, "host", &host, NULL);
weston_config_section_get_int(section, "port", &port, 0);
if (!host || port <= 0 || 65533 < port) {
weston_log("Cannot configure an output \"%s\". "
"Need to specify gst-pipeline or "
"host and port (1-65533).\n", output->name);
}
api->set_host(output, host);
free(host);
api->set_port(output, port);
return 0;
}
static void
remoted_output_init(struct weston_compositor *c,
struct weston_config_section *section,
const struct weston_remoting_api *api)
{
struct weston_output *output = NULL;
char *output_name, *modeline = NULL;
int ret;
weston_config_section_get_string(section, "name", &output_name,
NULL);
if (!output_name)
return;
weston_config_section_get_string(section, "mode", &modeline, "off");
if (strcmp(modeline, "off") == 0)
goto err;
output = api->create_output(c, output_name);
if (!output) {
weston_log("Cannot create remoted output \"%s\".\n",
output_name);
goto err;
}
ret = drm_backend_remoted_output_configure(output, section, modeline,
api);
if (ret < 0) {
weston_log("Cannot configure remoted output \"%s\".\n",
output_name);
goto err;
}
if (weston_output_enable(output) < 0) {
weston_log("Enabling remoted output \"%s\" failed.\n",
output_name);
goto err;
}
free(modeline);
free(output_name);
weston_log("remoted output '%s' enabled\n", output->name);
return;
err:
free(modeline);
free(output_name);
if (output)
weston_output_destroy(output);
}
static void
load_remoting(struct weston_compositor *c, struct weston_config *wc)
{
const struct weston_remoting_api *api = NULL;
int (*module_init)(struct weston_compositor *ec);
struct weston_config_section *section = NULL;
const char *section_name;
while (weston_config_next_section(wc, §ion, §ion_name)) {
if (strcmp(section_name, "remote-output"))
continue;
if (!api) {
char *module_name;
struct weston_config_section *core_section =
weston_config_get_section(wc, "core", NULL,
NULL);
weston_config_section_get_string(core_section,
"remoting",
&module_name,
"remoting-plugin.so");
module_init = weston_load_module(module_name,
"weston_module_init",
LIBWESTON_MODULEDIR);
free(module_name);
if (!module_init) {
weston_log("Can't load remoting-plugin\n");
return;
}
if (module_init(c) < 0) {
weston_log("Remoting-plugin init failed\n");
return;
}
api = weston_remoting_get_api(c);
if (!api)
return;
}
remoted_output_init(c, section, api);
}
}
static int
drm_backend_pipewire_output_configure(struct weston_output *output,
struct weston_config_section *section,
char *modeline,
const struct weston_pipewire_api *api)
{
char *seat = NULL;
int ret;
ret = api->set_mode(output, modeline);
if (ret < 0) {
weston_log("Cannot configure an output \"%s\" using "
"weston_pipewire_api. Invalid mode\n",
output->name);
return -1;
}
wet_output_set_scale(output, section, 1, 0);
if (wet_output_set_transform(output, section,
WL_OUTPUT_TRANSFORM_NORMAL,
UINT32_MAX) < 0) {
return -1;
}
if (wet_output_set_color_profile(output, section, NULL) < 0)
return -1;
weston_config_section_get_string(section, "seat", &seat, "");
api->set_seat(output, seat);
free(seat);
return 0;
}
static void
pipewire_output_init(struct weston_compositor *c,
struct weston_config_section *section,
const struct weston_pipewire_api *api)
{
struct weston_output *output = NULL;
char *output_name, *modeline = NULL;
int ret;
weston_config_section_get_string(section, "name", &output_name,
NULL);
if (!output_name)
return;
weston_config_section_get_string(section, "mode", &modeline, "off");
if (strcmp(modeline, "off") == 0)
goto err;
output = api->create_output(c, output_name);
if (!output) {
weston_log("Cannot create pipewire output \"%s\".\n",
output_name);
goto err;
}
ret = drm_backend_pipewire_output_configure(output, section, modeline,
api);
if (ret < 0) {
weston_log("Cannot configure pipewire output \"%s\".\n",
output_name);
goto err;
}
if (weston_output_enable(output) < 0) {
weston_log("Enabling pipewire output \"%s\" failed.\n",
output_name);
goto err;
}
free(modeline);
free(output_name);
weston_log("pipewire output '%s' enabled\n", output->name);
return;
err:
free(modeline);
free(output_name);
if (output)
weston_output_destroy(output);
}
static void
load_pipewire(struct weston_compositor *c, struct weston_config *wc)
{
const struct weston_pipewire_api *api = NULL;
int (*module_init)(struct weston_compositor *ec);
struct weston_config_section *section = NULL;
const char *section_name;
while (weston_config_next_section(wc, §ion, §ion_name)) {
if (strcmp(section_name, "pipewire-output"))
continue;
if (!api) {
char *module_name;
struct weston_config_section *core_section =
weston_config_get_section(wc, "core", NULL,
NULL);
weston_config_section_get_string(core_section,
"pipewire",
&module_name,
"pipewire-plugin.so");
module_init = weston_load_module(module_name,
"weston_module_init",
LIBWESTON_MODULEDIR);
free(module_name);
if (!module_init) {
weston_log("Can't load pipewire-plugin\n");
return;
}
if (module_init(c) < 0) {
weston_log("Pipewire-plugin init failed\n");
return;
}
api = weston_pipewire_get_api(c);
if (!api)
return;
}
pipewire_output_init(c, section, api);
}
}
static int
load_drm_backend(struct weston_compositor *c, int *argc, char **argv,
struct weston_config *wc, enum weston_renderer_type renderer)
{
struct weston_drm_backend_config config = {{ 0, }};
struct weston_config_section *section;
struct wet_compositor *wet = to_wet_compositor(c);
bool without_input = false;
bool force_pixman = false;
int ret = 0;
wet->drm_use_current_mode = false;
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_bool(section, "use-pixman", &force_pixman,
false);
const struct weston_option options[] = {
{ WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
{ WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
{ WESTON_OPTION_STRING, "additional-devices", 0, &config.additional_devices},
{ WESTON_OPTION_BOOLEAN, "current-mode", 0, &wet->drm_use_current_mode },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman },
{ WESTON_OPTION_BOOLEAN, "continue-without-input", false, &without_input }
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
if (force_pixman && renderer != WESTON_RENDERER_AUTO) {
weston_log("error: conflicting renderer specification\n");
return -1;
} else if (force_pixman) {
config.renderer = WESTON_RENDERER_PIXMAN;
} else {
config.renderer = renderer;
}
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_string(section,
"gbm-format", &config.gbm_format,
NULL);
weston_config_section_get_uint(section, "pageflip-timeout",
&config.pageflip_timeout, 0);
weston_config_section_get_bool(section, "pixman-shadow",
&config.use_pixman_shadow, true);
if (without_input)
c->require_input = !without_input;
config.base.struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_drm_backend_config);
config.configure_device = configure_input_device;
wet->heads_changed_listener.notify = drm_heads_changed;
weston_compositor_add_heads_changed_listener(c,
&wet->heads_changed_listener);
ret = weston_compositor_load_backend(c, WESTON_BACKEND_DRM,
&config.base);
load_remoting(c, wc);
load_pipewire(c, wc);
free(config.gbm_format);
free(config.seat_id);
free(config.specific_device);
return ret;
}
static int
headless_backend_output_configure(struct weston_output *output)
{
struct wet_output_config defaults = {
.width = 1024,
.height = 640,
.scale = 1,
.transform = WL_OUTPUT_TRANSFORM_NORMAL
};
struct weston_config *wc = wet_get_config(output->compositor);
struct weston_config_section *section;
section = weston_config_get_section(wc, "output", "name", output->name);
if (wet_output_set_eotf_mode(output, section) < 0)
return -1;
if (wet_output_set_color_characteristics(output, wc, section) < 0)
return -1;
return wet_configure_windowed_output_from_config(output, &defaults);
}
static int
load_headless_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc,
enum weston_renderer_type renderer)
{
const struct weston_windowed_output_api *api;
struct weston_headless_backend_config config = {{ 0, }};
struct weston_config_section *section;
bool force_pixman;
bool force_gl;
bool no_outputs = false;
int ret = 0;
char *transform = NULL;
struct wet_output_config *parsed_options = wet_init_parsed_options(c);
if (!parsed_options)
return -1;
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_bool(section, "use-pixman", &force_pixman,
false);
weston_config_section_get_bool(section, "use-gl", &force_gl,
false);
weston_config_section_get_bool(section, "output-decorations", &config.decorate,
false);
const struct weston_option options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
{ WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
{ WESTON_OPTION_INTEGER, "scale", 0, &parsed_options->scale },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman },
{ WESTON_OPTION_BOOLEAN, "use-gl", 0, &force_gl },
{ WESTON_OPTION_STRING, "transform", 0, &transform },
{ WESTON_OPTION_BOOLEAN, "no-outputs", 0, &no_outputs },
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
if ((force_pixman && force_gl) ||
(renderer != WESTON_RENDERER_AUTO && (force_pixman || force_gl))) {
weston_log("Conflicting renderer specifications\n");
return -1;
} else if (force_pixman) {
config.renderer = WESTON_RENDERER_PIXMAN;
} else if (force_gl) {
config.renderer = WESTON_RENDERER_GL;
} else {
config.renderer = renderer;
}
if (transform) {
if (weston_parse_transform(transform, &parsed_options->transform) < 0) {
weston_log("Invalid transform \"%s\"\n", transform);
return -1;
}
free(transform);
}
config.base.struct_version = WESTON_HEADLESS_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_headless_backend_config);
wet_set_simple_head_configurator(c, headless_backend_output_configure);
ret = weston_compositor_load_backend(c, WESTON_BACKEND_HEADLESS,
&config.base);
if (ret < 0)
return ret;
if (!no_outputs) {
api = weston_windowed_output_get_api(c);
if (!api) {
weston_log("Cannot use weston_windowed_output_api.\n");
return -1;
}
if (api->create_head(c->backend, "headless") < 0)
return -1;
}
return 0;
}
static int
pipewire_backend_output_configure(struct weston_output *output)
{
struct wet_output_config defaults = {
.width = 640,
.height = 480,
};
struct wet_compositor *compositor = to_wet_compositor(output->compositor);
struct wet_output_config *parsed_options = compositor->parsed_options;
const struct weston_pipewire_output_api *api = weston_pipewire_output_get_api(output->compositor);
struct weston_config *wc = wet_get_config(output->compositor);
struct weston_config_section *section;
char *gbm_format = NULL;
int width;
int height;
assert(parsed_options);
if (!api) {
weston_log("Cannot use weston_pipewire_output_api.\n");
return -1;
}
section = weston_config_get_section(wc, "output", "name", output->name);
parse_simple_mode(output, section, &width, &height, &defaults,
parsed_options);
if (section)
weston_config_section_get_string(section, "gbm-format",
&gbm_format, NULL);
weston_output_set_scale(output, 1);
weston_output_set_transform(output, WL_OUTPUT_TRANSFORM_NORMAL);
api->set_gbm_format(output, gbm_format);
free(gbm_format);
if (api->output_set_size(output, width, height) < 0) {
weston_log("Cannot configure output \"%s\" using weston_pipewire_output_api.\n",
output->name);
return -1;
}
weston_log("pipewire_backend_output_configure.. Done\n");
return 0;
}
static void
weston_pipewire_backend_config_init(struct weston_pipewire_backend_config *config)
{
config->base.struct_version = WESTON_PIPEWIRE_BACKEND_CONFIG_VERSION;
config->base.struct_size = sizeof(struct weston_pipewire_backend_config);
}
static int
load_pipewire_backend(struct weston_compositor *c,
int *argc, char *argv[], struct weston_config *wc,
enum weston_renderer_type renderer)
{
struct weston_pipewire_backend_config config = {{ 0, }};
struct weston_config_section *section;
struct wet_output_config *parsed_options = wet_init_parsed_options(c);
if (!parsed_options)
return -1;
weston_pipewire_backend_config_init(&config);
const struct weston_option pipewire_options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
{ WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
};
parse_options(pipewire_options, ARRAY_LENGTH(pipewire_options), argc, argv);
config.renderer = renderer;
wet_set_simple_head_configurator(c, pipewire_backend_output_configure);
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_string(section, "gbm-format",
&config.gbm_format, NULL);
section = weston_config_get_section(wc, "pipewire", NULL, NULL);
weston_config_section_get_int(section, "num-outputs",
&config.num_outputs, 1);
return weston_compositor_load_backend(c, WESTON_BACKEND_PIPEWIRE,
&config.base);
}
static void
weston_rdp_backend_config_init(struct weston_rdp_backend_config *config)
{
config->base.struct_version = WESTON_RDP_BACKEND_CONFIG_VERSION;
config->base.struct_size = sizeof(struct weston_rdp_backend_config);
config->renderer = WESTON_RENDERER_AUTO;
config->bind_address = NULL;
config->port = 3389;
config->rdp_key = NULL;
config->server_cert = NULL;
config->server_key = NULL;
config->env_socket = 0;
config->external_listener_fd = -1;
config->no_clients_resize = 0;
config->force_no_compression = 0;
config->remotefx_codec = true;
config->refresh_rate = RDP_DEFAULT_FREQ;
}
static void
rdp_handle_layout(struct weston_compositor *ec)
{
struct wet_compositor *wc = to_wet_compositor(ec);
struct wet_output_config *parsed_options = wc->parsed_options;
const struct weston_rdp_output_api *api = weston_rdp_output_get_api(ec);
struct weston_rdp_monitor config;
struct weston_head *head = NULL;
int width;
int height;
int scale = 1;
while ((head = weston_compositor_iterate_heads(ec, head))) {
struct weston_coord_global pos;
struct weston_output *output = head->output;
struct weston_mode new_mode = {};
assert(output);
api->head_get_monitor(head, &config);
width = config.width;
height = config.height;
scale = config.desktop_scale / 100;
* us to provide defaults.
*/
width = width ? width : parsed_options->width;
height = height ? height : parsed_options->height;
scale = scale ? scale : parsed_options->scale;
width = width ? width : 640;
height = height ? height : 480;
scale = scale ? scale : 1;
new_mode.width = width;
new_mode.height = height;
api->output_set_mode(output, &new_mode);
weston_output_set_scale(output, scale);
weston_output_set_transform(output,
WL_OUTPUT_TRANSFORM_NORMAL);
pos.c = weston_coord(config.x, config.y);
weston_output_move(output, pos);
}
}
static void
rdp_heads_changed(struct wl_listener *listener, void *arg)
{
struct weston_compositor *compositor = arg;
struct wet_compositor *wet = to_wet_compositor(compositor);
struct weston_head *head = NULL;
while ((head = weston_compositor_iterate_heads(compositor, head))) {
if (head->output)
continue;
struct weston_output *out;
out = weston_compositor_create_output(compositor,
head, head->name);
wet_head_tracker_create(wet, head);
weston_output_attach_head(out, head);
}
rdp_handle_layout(compositor);
while ((head = weston_compositor_iterate_heads(compositor, head))) {
if (!head->output->enabled)
weston_output_enable(head->output);
weston_head_reset_device_changed(head);
}
}
static int
load_rdp_backend(struct weston_compositor *c,
int *argc, char *argv[], struct weston_config *wc,
enum weston_renderer_type renderer)
{
struct weston_rdp_backend_config config = {{ 0, }};
struct weston_config_section *section;
int ret = 0;
bool no_remotefx_codec = false;
struct wet_output_config *parsed_options = wet_init_parsed_options(c);
struct wet_compositor *wet = to_wet_compositor(c);
if (!parsed_options)
return -1;
weston_rdp_backend_config_init(&config);
const struct weston_option rdp_options[] = {
{ WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
{ WESTON_OPTION_INTEGER, "external-listener-fd", 0, &config.external_listener_fd },
{ WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
{ WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
{ WESTON_OPTION_STRING, "address", 0, &config.bind_address },
{ WESTON_OPTION_INTEGER, "port", 0, &config.port },
{ WESTON_OPTION_BOOLEAN, "no-clients-resize", 0, &config.no_clients_resize },
{ WESTON_OPTION_STRING, "rdp4-key", 0, &config.rdp_key },
{ WESTON_OPTION_STRING, "rdp-tls-cert", 0, &config.server_cert },
{ WESTON_OPTION_STRING, "rdp-tls-key", 0, &config.server_key },
{ WESTON_OPTION_INTEGER, "scale", 0, &parsed_options->scale },
{ WESTON_OPTION_BOOLEAN, "force-no-compression", 0, &config.force_no_compression },
{ WESTON_OPTION_BOOLEAN, "no-remotefx-codec", 0, &no_remotefx_codec },
};
parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
config.remotefx_codec = !no_remotefx_codec;
config.renderer = renderer;
section = weston_config_get_section(wc, "rdp", NULL, NULL);
weston_config_section_get_int(section, "refresh-rate",
&config.refresh_rate,
RDP_DEFAULT_FREQ);
wet->heads_changed_listener.notify = rdp_heads_changed;
weston_compositor_add_heads_changed_listener(c,
&wet->heads_changed_listener);
ret = weston_compositor_load_backend(c, WESTON_BACKEND_RDP,
&config.base);
free(config.bind_address);
free(config.rdp_key);
free(config.server_cert);
free(config.server_key);
return ret;
}
static int
vnc_backend_output_configure(struct weston_output *output)
{
struct wet_output_config defaults = {
.width = 640,
.height = 480,
};
struct wet_compositor *compositor = to_wet_compositor(output->compositor);
struct wet_output_config *parsed_options = compositor->parsed_options;
const struct weston_vnc_output_api *api = weston_vnc_output_get_api(output->compositor);
struct weston_config *wc = wet_get_config(output->compositor);
struct weston_config_section *section;
int width;
int height;
assert(parsed_options);
if (!api) {
weston_log("Cannot use weston_vnc_output_api.\n");
return -1;
}
section = weston_config_get_section(wc, "output", "name", output->name);
parse_simple_mode(output, section, &width, &height, &defaults,
compositor->parsed_options);
weston_output_set_scale(output, 1);
weston_output_set_transform(output, WL_OUTPUT_TRANSFORM_NORMAL);
if (api->output_set_size(output, width, height) < 0) {
weston_log("Cannot configure output \"%s\" using weston_vnc_output_api.\n",
output->name);
return -1;
}
weston_log("vnc_backend_output_configure.. Done\n");
return 0;
}
static void
weston_vnc_backend_config_init(struct weston_vnc_backend_config *config)
{
config->base.struct_version = WESTON_VNC_BACKEND_CONFIG_VERSION;
config->base.struct_size = sizeof(struct weston_vnc_backend_config);
config->renderer = WESTON_RENDERER_AUTO;
config->bind_address = NULL;
config->port = 5900;
config->refresh_rate = VNC_DEFAULT_FREQ;
}
static int
load_vnc_backend(struct weston_compositor *c,
int *argc, char *argv[], struct weston_config *wc,
enum weston_renderer_type renderer)
{
struct weston_vnc_backend_config config = {{ 0, }};
struct weston_config_section *section;
int ret = 0;
struct wet_output_config *parsed_options = wet_init_parsed_options(c);
if (!parsed_options)
return -1;
weston_vnc_backend_config_init(&config);
const struct weston_option vnc_options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
{ WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
{ WESTON_OPTION_STRING, "address", 0, &config.bind_address },
{ WESTON_OPTION_INTEGER, "port", 0, &config.port },
{ WESTON_OPTION_STRING, "vnc-tls-cert", 0, &config.server_cert },
{ WESTON_OPTION_STRING, "vnc-tls-key", 0, &config.server_key },
};
parse_options(vnc_options, ARRAY_LENGTH(vnc_options), argc, argv);
config.renderer = renderer;
wet_set_simple_head_configurator(c, vnc_backend_output_configure);
section = weston_config_get_section(wc, "vnc", NULL, NULL);
weston_config_section_get_int(section, "refresh-rate",
&config.refresh_rate,
VNC_DEFAULT_FREQ);
ret = weston_compositor_load_backend(c, WESTON_BACKEND_VNC,
&config.base);
free(config.bind_address);
free(config.server_cert);
free(config.server_key);
return ret;
}
static int
x11_backend_output_configure(struct weston_output *output)
{
struct wet_output_config defaults = {
.width = 1024,
.height = 600,
.scale = 1,
.transform = WL_OUTPUT_TRANSFORM_NORMAL
};
return wet_configure_windowed_output_from_config(output, &defaults);
}
static int
load_x11_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc,
enum weston_renderer_type renderer)
{
char *default_output;
const struct weston_windowed_output_api *api;
struct weston_x11_backend_config config = {{ 0, }};
struct weston_config_section *section;
bool force_pixman;
int ret = 0;
int option_count = 1;
int output_count = 0;
char const *section_name;
int i;
struct wet_output_config *parsed_options = wet_init_parsed_options(c);
if (!parsed_options)
return -1;
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_bool(section, "use-pixman", &force_pixman,
false);
const struct weston_option options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
{ WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
{ WESTON_OPTION_INTEGER, "scale", 0, &parsed_options->scale },
{ WESTON_OPTION_BOOLEAN, "fullscreen", 'f', &config.fullscreen },
{ WESTON_OPTION_INTEGER, "output-count", 0, &option_count },
{ WESTON_OPTION_BOOLEAN, "no-input", 0, &config.no_input },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman },
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
config.base.struct_version = WESTON_X11_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_x11_backend_config);
if (force_pixman && renderer != WESTON_RENDERER_AUTO) {
weston_log("error: conflicting renderer specification\n");
return -1;
} else if (force_pixman) {
config.renderer = WESTON_RENDERER_PIXMAN;
} else {
config.renderer = renderer;
}
wet_set_simple_head_configurator(c, x11_backend_output_configure);
ret = weston_compositor_load_backend(c, WESTON_BACKEND_X11,
&config.base);
if (ret < 0)
return ret;
api = weston_windowed_output_get_api(c);
if (!api) {
weston_log("Cannot use weston_windowed_output_api.\n");
return -1;
}
section = NULL;
while (weston_config_next_section(wc, §ion, §ion_name)) {
char *output_name;
if (output_count >= option_count)
break;
if (strcmp(section_name, "output") != 0) {
continue;
}
weston_config_section_get_string(section, "name", &output_name, NULL);
if (output_name == NULL || output_name[0] != 'X') {
free(output_name);
continue;
}
if (api->create_head(c->backend, output_name) < 0) {
free(output_name);
return -1;
}
free(output_name);
output_count++;
}
default_output = NULL;
for (i = output_count; i < option_count; i++) {
if (asprintf(&default_output, "screen%d", i) < 0) {
return -1;
}
if (api->create_head(c->backend, default_output) < 0) {
free(default_output);
return -1;
}
free(default_output);
}
return 0;
}
static int
wayland_backend_output_configure(struct weston_output *output)
{
struct wet_output_config defaults = {
.width = 1024,
.height = 640,
.scale = 1,
.transform = WL_OUTPUT_TRANSFORM_NORMAL
};
return wet_configure_windowed_output_from_config(output, &defaults);
}
static int
load_wayland_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc,
enum weston_renderer_type renderer)
{
struct weston_wayland_backend_config config = {{ 0, }};
struct weston_config_section *section;
const struct weston_windowed_output_api *api;
const char *section_name;
char *output_name = NULL;
bool force_pixman = false;
int count = 1;
int ret = 0;
int i;
struct wet_output_config *parsed_options = wet_init_parsed_options(c);
if (!parsed_options)
return -1;
config.cursor_size = 32;
config.cursor_theme = NULL;
config.display_name = NULL;
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_bool(section, "use-pixman", &force_pixman,
false);
const struct weston_option wayland_options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width },
{ WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height },
{ WESTON_OPTION_INTEGER, "scale", 0, &parsed_options->scale },
{ WESTON_OPTION_STRING, "display", 0, &config.display_name },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman },
{ WESTON_OPTION_INTEGER, "output-count", 0, &count },
{ WESTON_OPTION_BOOLEAN, "fullscreen", 0, &config.fullscreen },
{ WESTON_OPTION_BOOLEAN, "sprawl", 0, &config.sprawl },
};
parse_options(wayland_options, ARRAY_LENGTH(wayland_options), argc, argv);
section = weston_config_get_section(wc, "shell", NULL, NULL);
weston_config_section_get_string(section, "cursor-theme",
&config.cursor_theme, NULL);
weston_config_section_get_int(section, "cursor-size",
&config.cursor_size, 32);
config.base.struct_size = sizeof(struct weston_wayland_backend_config);
config.base.struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION;
if (force_pixman && renderer != WESTON_RENDERER_AUTO) {
weston_log("error: conflicting renderer specification\n");
return -1;
} else if (force_pixman) {
config.renderer = WESTON_RENDERER_PIXMAN;
} else {
config.renderer = renderer;
}
ret = weston_compositor_load_backend(c, WESTON_BACKEND_WAYLAND,
&config.base);
free(config.cursor_theme);
free(config.display_name);
if (ret < 0)
return ret;
api = weston_windowed_output_get_api(c);
if (api == NULL) {
* windowed_output_api is not present that wayland backend is
* started with --sprawl or runs on fullscreen-shell.
* In this case, all values are hardcoded, so nothing can be
* configured; simply create and enable an output. */
wet_set_simple_head_configurator(c, NULL);
return 0;
}
wet_set_simple_head_configurator(c, wayland_backend_output_configure);
section = NULL;
while (weston_config_next_section(wc, §ion, §ion_name)) {
if (count == 0)
break;
if (strcmp(section_name, "output") != 0) {
continue;
}
weston_config_section_get_string(section, "name", &output_name, NULL);
if (output_name == NULL)
continue;
if (output_name[0] != 'W' || output_name[1] != 'L') {
free(output_name);
continue;
}
if (api->create_head(c->backend, output_name) < 0) {
free(output_name);
return -1;
}
free(output_name);
--count;
}
for (i = 0; i < count; i++) {
if (asprintf(&output_name, "wayland%d", i) < 0)
return -1;
if (api->create_head(c->backend, output_name) < 0) {
free(output_name);
return -1;
}
free(output_name);
}
return 0;
}
static int
load_backend(struct weston_compositor *compositor, const char *name,
int *argc, char **argv, struct weston_config *config,
const char *renderer_name)
{
enum weston_compositor_backend backend;
enum weston_renderer_type renderer;
if (!get_backend_from_string(name, &backend)) {
weston_log("Error: unknown backend \"%s\"\n", name);
return -1;
}
if (!get_renderer_from_string(renderer_name, &renderer)) {
weston_log("Error: unknown renderer \"%s\"\n", renderer_name);
return -1;
}
switch (backend) {
case WESTON_BACKEND_DRM:
return load_drm_backend(compositor, argc, argv, config,
renderer);
case WESTON_BACKEND_HEADLESS:
return load_headless_backend(compositor, argc, argv, config,
renderer);
case WESTON_BACKEND_PIPEWIRE:
return load_pipewire_backend(compositor, argc, argv, config,
renderer);
case WESTON_BACKEND_RDP:
return load_rdp_backend(compositor, argc, argv, config,
renderer);
case WESTON_BACKEND_VNC:
return load_vnc_backend(compositor, argc, argv, config,
renderer);
case WESTON_BACKEND_WAYLAND:
return load_wayland_backend(compositor, argc, argv, config,
renderer);
case WESTON_BACKEND_X11:
return load_x11_backend(compositor, argc, argv, config,
renderer);
default:
unreachable("unknown backend type in load_backend()");
}
}
static char *
copy_command_line(int argc, char * const argv[])
{
FILE *fp;
char *str = NULL;
size_t size = 0;
int i;
fp = open_memstream(&str, &size);
if (!fp)
return NULL;
fprintf(fp, "%s", argv[0]);
for (i = 1; i < argc; i++)
fprintf(fp, " %s", argv[i]);
fclose(fp);
return str;
}
#if !defined(BUILD_XWAYLAND)
int
wet_load_xwayland(struct weston_compositor *comp)
{
return -1;
}
#endif
static int
execute_autolaunch(struct wet_compositor *wet, struct weston_config *config)
{
int ret = -1;
pid_t tmp_pid = -1;
char *autolaunch_path = NULL;
struct weston_config_section *section = NULL;
section = weston_config_get_section(config, "autolaunch", NULL, NULL);
weston_config_section_get_string(section, "path", &autolaunch_path, "");
weston_config_section_get_bool(section, "watch", &wet->autolaunch_watch, false);
if (!strlen(autolaunch_path))
goto out_ok;
if (access(autolaunch_path, X_OK) != 0) {
weston_log("Specified autolaunch path (%s) is not executable\n", autolaunch_path);
goto out;
}
tmp_pid = fork();
if (tmp_pid == -1) {
weston_log("Failed to fork autolaunch process: %s\n", strerror(errno));
goto out;
} else if (tmp_pid == 0) {
cleanup_for_child_process();
execl(autolaunch_path, autolaunch_path, NULL);
fprintf(stderr, "Failed to execute autolaunch: %s\n", strerror(errno));
_exit(1);
}
out_ok:
ret = 0;
out:
wet->autolaunch_pid = tmp_pid;
free(autolaunch_path);
return ret;
}
static void
weston_log_setup_scopes(struct weston_log_context *log_ctx,
struct weston_log_subscriber *subscriber,
const char *names)
{
assert(log_ctx);
assert(subscriber);
char *tokenize = strdup(names);
char *token = strtok(tokenize, ",");
while (token) {
weston_log_subscribe(log_ctx, subscriber, token);
token = strtok(NULL, ",");
}
free(tokenize);
}
static void
flight_rec_key_binding_handler(struct weston_keyboard *keyboard,
const struct timespec *time, uint32_t key,
void *data)
{
struct weston_log_subscriber *flight_rec = data;
weston_log_subscriber_display_flight_rec(flight_rec);
}
static void
weston_log_subscribe_to_scopes(struct weston_log_context *log_ctx,
struct weston_log_subscriber *logger,
struct weston_log_subscriber *flight_rec,
const char *log_scopes,
const char *flight_rec_scopes)
{
if (logger && log_scopes)
weston_log_setup_scopes(log_ctx, logger, log_scopes);
else
weston_log_subscribe(log_ctx, logger, "log");
if (flight_rec && flight_rec_scopes)
weston_log_setup_scopes(log_ctx, flight_rec, flight_rec_scopes);
}
static void
screenshot_allow_all(struct wl_listener *l,
struct weston_output_capture_attempt *att)
{
* The effect of --debug option: indiscriminately allow everyone to
* take screenshots of any output.
*/
att->authorized = true;
}
static void
sigint_helper(int sig)
{
raise(SIGUSR2);
}
WL_EXPORT int
wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
{
int ret = EXIT_FAILURE;
char *cmdline;
struct wl_display *display;
struct wl_event_source *signals[3];
struct wl_event_loop *loop;
int i, fd;
char *backend = NULL;
char *renderer = NULL;
char *shell = NULL;
bool xwayland = false;
char *modules = NULL;
char *option_modules = NULL;
char *log = NULL;
char *log_scopes = NULL;
char *flight_rec_scopes = NULL;
char *server_socket = NULL;
int32_t idle_time = -1;
int32_t help = 0;
char *socket_name = NULL;
int32_t version = 0;
int32_t noconfig = 0;
int32_t debug_protocol = 0;
bool numlock_on;
char *config_file = NULL;
struct weston_config *config = NULL;
struct weston_config_section *section;
struct wl_client *primary_client;
struct wl_listener primary_client_destroyed;
struct weston_seat *seat;
struct wet_compositor wet = { 0 };
struct weston_log_context *log_ctx = NULL;
struct weston_log_subscriber *logger = NULL;
struct weston_log_subscriber *flight_rec = NULL;
sigset_t mask;
struct sigaction action;
bool wait_for_debugger = false;
struct wl_protocol_logger *protologger = NULL;
const struct weston_option core_options[] = {
{ WESTON_OPTION_STRING, "backend", 'B', &backend },
{ WESTON_OPTION_STRING, "renderer", 0, &renderer },
{ WESTON_OPTION_STRING, "shell", 0, &shell },
{ WESTON_OPTION_STRING, "socket", 'S', &socket_name },
{ WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
#if defined(BUILD_XWAYLAND)
{ WESTON_OPTION_BOOLEAN, "xwayland", 0, &xwayland },
#endif
{ WESTON_OPTION_STRING, "modules", 0, &option_modules },
{ WESTON_OPTION_STRING, "log", 0, &log },
{ WESTON_OPTION_BOOLEAN, "help", 'h', &help },
{ WESTON_OPTION_BOOLEAN, "version", 0, &version },
{ WESTON_OPTION_BOOLEAN, "no-config", 0, &noconfig },
{ WESTON_OPTION_STRING, "config", 'c', &config_file },
{ WESTON_OPTION_BOOLEAN, "wait-for-debugger", 0, &wait_for_debugger },
{ WESTON_OPTION_BOOLEAN, "debug", 0, &debug_protocol },
{ WESTON_OPTION_STRING, "logger-scopes", 'l', &log_scopes },
{ WESTON_OPTION_STRING, "flight-rec-scopes", 'f', &flight_rec_scopes },
};
wl_list_init(&wet.layoutput_list);
os_fd_set_cloexec(fileno(stdin));
cmdline = copy_command_line(argc, argv);
parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
if (help) {
free(cmdline);
usage(EXIT_SUCCESS);
}
if (version) {
printf(PACKAGE_STRING "\n");
free(cmdline);
return EXIT_SUCCESS;
}
log_ctx = weston_log_ctx_create();
if (!log_ctx) {
fprintf(stderr, "Failed to initialize weston debug framework.\n");
return EXIT_FAILURE;
}
log_scope = weston_log_ctx_add_log_scope(log_ctx, "log",
"Weston and Wayland log\n", NULL, NULL, NULL);
if (!weston_log_file_open(log))
return EXIT_FAILURE;
weston_log_set_handler(vlog, vlog_continue);
logger = weston_log_subscriber_create_log(weston_logfile);
if (!flight_rec_scopes)
flight_rec_scopes = DEFAULT_FLIGHT_REC_SCOPES;
if (flight_rec_scopes && strlen(flight_rec_scopes) > 0)
flight_rec = weston_log_subscriber_create_flight_rec(DEFAULT_FLIGHT_REC_SIZE);
weston_log_subscribe_to_scopes(log_ctx, logger, flight_rec,
log_scopes, flight_rec_scopes);
weston_log("%s\n"
STAMP_SPACE "%s\n"
STAMP_SPACE "Bug reports to: %s\n"
STAMP_SPACE "Build: %s\n",
PACKAGE_STRING, PACKAGE_URL, PACKAGE_BUGREPORT,
BUILD_ID);
weston_log("Command line: %s\n", cmdline);
free(cmdline);
log_uname();
weston_log("Flight recorder: %s\n", flight_rec ? "enabled" : "disabled");
verify_xdg_runtime_dir();
display = wl_display_create();
if (display == NULL) {
weston_log("fatal: failed to create display\n");
goto out_display;
}
loop = wl_display_get_event_loop(display);
signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
display);
signals[1] = wl_event_loop_add_signal(loop, SIGUSR2, on_term_signal,
display);
wl_list_init(&wet.child_process_list);
signals[2] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
&wet);
* SIGINT, the debugger can't catch it, and attempting to stop
* weston from within the debugger results in weston exiting
* cleanly.
*
* Instead, use the sigaction() function, which sets up the signal
* in a way that gdb can successfully catch, but have the handler
* for SIGINT send SIGUSR2 (xwayland uses SIGUSR1), which we catch
* via wl_event_loop_add_signal().
*/
action.sa_handler = sigint_helper;
sigemptyset(&action.sa_mask);
action.sa_flags = 0;
sigaction(SIGINT, &action, NULL);
if (!signals[0] || !signals[1] || !signals[2])
goto out_signals;
weston plugins may create additional threads, set up any necessary
signal blocking early so that these threads can inherit the settings
when created. */
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
pthread_sigmask(SIG_BLOCK, &mask, NULL);
if (load_configuration(&config, noconfig, config_file) < 0)
goto out_signals;
wet.config = config;
wet.parsed_options = NULL;
section = weston_config_get_section(config, "core", NULL, NULL);
if (!wait_for_debugger) {
weston_config_section_get_bool(section, "wait-for-debugger",
&wait_for_debugger, false);
}
if (wait_for_debugger) {
weston_log("Weston PID is %ld - "
"waiting for debugger, send SIGCONT to continue...\n",
(long)getpid());
raise(SIGSTOP);
}
if (!renderer) {
weston_config_section_get_string(section, "renderer",
&renderer, NULL);
}
if (!backend) {
weston_config_section_get_string(section, "backend", &backend,
NULL);
if (!backend)
backend = weston_choose_default_backend();
}
wet.compositor = weston_compositor_create(display, log_ctx, &wet, test_data);
if (wet.compositor == NULL) {
weston_log("fatal: failed to create compositor\n");
goto out;
}
protocol_scope =
weston_log_ctx_add_log_scope(log_ctx, "proto",
"Wayland protocol dump for all clients.\n",
NULL, NULL, NULL);
protologger = wl_display_add_protocol_logger(display,
protocol_log_fn,
NULL);
if (debug_protocol) {
weston_compositor_enable_debug_protocol(wet.compositor);
weston_compositor_add_screenshot_authority(wet.compositor,
&wet.screenshot_auth,
screenshot_allow_all);
}
if (flight_rec)
weston_compositor_add_debug_binding(wet.compositor, KEY_D,
flight_rec_key_binding_handler,
flight_rec);
if (weston_compositor_init_config(wet.compositor, config) < 0)
goto out;
weston_config_section_get_bool(section, "require-input",
&wet.compositor->require_input, true);
if (load_backend(wet.compositor, backend, &argc, argv, config,
renderer) < 0) {
weston_log("fatal: failed to create compositor backend\n");
goto out;
}
if (test_data && !check_compositor_capabilities(wet.compositor,
test_data->test_quirks.required_capabilities)) {
ret = WET_MAIN_RET_MISSING_CAPS;
goto out;
}
weston_compositor_flush_heads_changed(wet.compositor);
if (wet.init_failed)
goto out;
if (idle_time < 0)
weston_config_section_get_int(section, "idle-time", &idle_time, -1);
if (idle_time < 0)
idle_time = 300;
wet.compositor->idle_time = idle_time;
wet.compositor->default_pointer_grab = NULL;
wet.compositor->exit = handle_exit;
weston_compositor_log_capabilities(wet.compositor);
server_socket = getenv("WAYLAND_SERVER_SOCKET");
if (server_socket) {
weston_log("Running with single client\n");
if (!safe_strtoint(server_socket, &fd))
fd = -1;
} else {
fd = -1;
}
if (fd != -1) {
primary_client = wl_client_create(display, fd);
if (!primary_client) {
weston_log("fatal: failed to add client: %s\n",
strerror(errno));
goto out;
}
primary_client_destroyed.notify =
handle_primary_client_destroyed;
wl_client_add_destroy_listener(primary_client,
&primary_client_destroyed);
} else if (weston_create_listening_socket(display, socket_name)) {
goto out;
}
if (!shell)
weston_config_section_get_string(section, "shell", &shell,
"desktop");
if (wet_load_shell(wet.compositor, shell, &argc, argv) < 0)
goto out;
* the systemd-notify module it will notify after we're ready
* to receive xwayland connections.
*/
if (!xwayland) {
weston_config_section_get_bool(section, "xwayland", &xwayland,
false);
}
if (xwayland) {
if (wet_load_xwayland(wet.compositor) < 0)
goto out;
}
weston_config_section_get_string(section, "modules", &modules, "");
if (load_modules(wet.compositor, modules, &argc, argv) < 0)
goto out;
if (load_modules(wet.compositor, option_modules, &argc, argv) < 0)
goto out;
section = weston_config_get_section(config, "keyboard", NULL, NULL);
weston_config_section_get_bool(section, "numlock-on", &numlock_on, false);
if (numlock_on) {
wl_list_for_each(seat, &wet.compositor->seat_list, link) {
struct weston_keyboard *keyboard =
weston_seat_get_keyboard(seat);
if (keyboard)
weston_keyboard_set_locks(keyboard,
WESTON_NUM_LOCK,
WESTON_NUM_LOCK);
}
}
for (i = 1; i < argc; i++)
weston_log("fatal: unhandled option: %s\n", argv[i]);
if (argc > 1)
goto out;
weston_compositor_wake(wet.compositor);
if (execute_autolaunch(&wet, config) < 0)
goto out;
wl_display_run(display);
* wl_display_run returns normally. This is
* useful for devs/testers and automated tests
* that want to indicate failure status to
* testing infrastructure above
*/
ret = wet.compositor->exit_code;
out:
free(wet.parsed_options);
if (protologger)
wl_protocol_logger_destroy(protologger);
weston_compositor_destroy(wet.compositor);
wet_compositor_destroy_layout(&wet);
weston_log_scope_destroy(protocol_scope);
protocol_scope = NULL;
out_signals:
for (i = ARRAY_LENGTH(signals) - 1; i >= 0; i--)
if (signals[i])
wl_event_source_remove(signals[i]);
wl_display_destroy(display);
out_display:
weston_log_scope_destroy(log_scope);
log_scope = NULL;
weston_log_subscriber_destroy(logger);
if (flight_rec)
weston_log_subscriber_destroy(flight_rec);
weston_log_ctx_destroy(log_ctx);
weston_log_file_close();
if (config)
weston_config_destroy(config);
free(config_file);
free(backend);
free(renderer);
free(shell);
free(socket_name);
free(option_modules);
free(log);
free(log_scopes);
free(modules);
return ret;
}