/*! Hammer.JS - v2.0.6 - 2015-12-23
* http://hammerjs.github.io/
*
* Copyright (c) 2015 Jorik Tangelder;
* Licensed under the license */
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* Copyright © 2012-2019 Collabora, Ltd.
*
* 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 "ivi-compositor.h"
#include "policy.h"
#include <assert.h>
#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <linux/input.h>
#include <libweston/backend-drm.h>
#include <libweston/backend-wayland.h>
#ifdef HAVE_BACKEND_X11
#include <libweston/backend-x11.h>
#endif
#include <libweston/libweston.h>
#include <libweston/windowed-output-api.h>
#include <libweston/config-parser.h>
#include <libweston/weston-log.h>
#include <weston/weston.h>
#include "shared/os-compatibility.h"
#include "shared/helpers.h"
#include "agl-shell-server-protocol.h"
#ifdef HAVE_REMOTING
#include "remote.h"
#endif
#ifdef HAVE_WALTHAM
#include <waltham-transmitter/transmitter_api.h>
#endif
static int cached_tm_mday = -1;
static struct weston_log_scope *log_scope;
struct ivi_compositor *
to_ivi_compositor(struct weston_compositor *ec)
{
return weston_compositor_get_user_data(ec);
}
static void
handle_output_destroy(struct wl_listener *listener, void *data)
{
struct ivi_output *output;
output = wl_container_of(listener, output, output_destroy);
assert(output->output == data);
if (output->fullscreen_view.fs->view) {
weston_surface_destroy(output->fullscreen_view.fs->view->surface);
output->fullscreen_view.fs->view = NULL;
}
output->output = NULL;
wl_list_remove(&output->output_destroy.link);
}
struct ivi_output *
to_ivi_output(struct weston_output *o)
{
struct wl_listener *listener;
struct ivi_output *output;
listener = weston_output_get_destroy_listener(o, handle_output_destroy);
output = wl_container_of(listener, output, output_destroy);
return output;
}
static void
ivi_output_configure_app_id(struct ivi_output *ivi_output)
{
if (ivi_output->config) {
if (ivi_output->app_id != NULL)
return;
weston_config_section_get_string(ivi_output->config,
"agl-shell-app-id",
&ivi_output->app_id,
NULL);
if (ivi_output->app_id == NULL)
return;
weston_log("Will place app_id %s on output %s\n",
ivi_output->app_id, ivi_output->name);
}
}
static struct ivi_output *
ivi_ensure_output(struct ivi_compositor *ivi, char *name,
struct weston_config_section *config)
{
struct ivi_output *output = NULL;
wl_list_for_each(output, &ivi->outputs, link) {
if (strcmp(output->name, name) == 0) {
free(name);
return output;
}
}
output = zalloc(sizeof *output);
if (!output) {
free(name);
return NULL;
}
output->ivi = ivi;
output->name = name;
output->config = config;
output->output = weston_compositor_create_output(ivi->compositor, name);
if (!output->output) {
free(output->name);
free(output);
return NULL;
}
output->output_destroy.notify = handle_output_destroy;
weston_output_add_destroy_listener(output->output,
&output->output_destroy);
wl_list_insert(&ivi->outputs, &output->link);
ivi_output_configure_app_id(output);
return output;
}
static int
count_heads(struct weston_output *output)
{
struct weston_head *iter = NULL;
int n = 0;
while ((iter = weston_output_iterate_heads(output, iter)))
++n;
return n;
}
static void
handle_head_destroy(struct wl_listener *listener, void *data)
{
struct weston_head *head = data;
struct weston_output *output;
wl_list_remove(&listener->link);
free(listener);
output = weston_head_get_output(head);
/* On shutdown path, the output might be already gone. */
if (!output)
return;
/* We're the last head */
if (count_heads(output) <= 1)
weston_output_destroy(output);
}
static void
add_head_destroyed_listener(struct weston_head *head)
{
/* We already have a destroy listener */
if (weston_head_get_destroy_listener(head, handle_head_destroy))
return;
struct wl_listener *listener = zalloc(sizeof *listener);
if (!listener)
return;
listener->notify = handle_head_destroy;
weston_head_add_destroy_listener(head, listener);
}
static int
drm_configure_output(struct ivi_output *output)
{
struct ivi_compositor *ivi = output->ivi;
struct weston_config_section *section = output->config;
enum weston_drm_backend_output_mode mode =
WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
char *modeline = NULL;
char *gbm_format = NULL;
char *seat = NULL;
if (section) {
char *m;
weston_config_section_get_string(section, "mode", &m, "preferred");
/* This should have been handled earlier */
assert(strcmp(m, "off") != 0);
if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
} else if (strcmp(m, "preferred") != 0) {
modeline = m;
m = NULL;
}
free(m);
weston_config_section_get_string(section, "gbm-format",
&gbm_format, NULL);
weston_config_section_get_string(section, "seat", &seat, "");
}
if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
weston_log("Cannot configure output using weston_drm_output_api.\n");
free(modeline);
return -1;
}
free(modeline);
ivi->drm_api->set_gbm_format(output->output, gbm_format);
free(gbm_format);
ivi->drm_api->set_seat(output->output, seat);
free(seat);
return 0;
}
#define WINDOWED_DEFAULT_WIDTH 1024
#define WINDOWED_DEFAULT_HEIGHT 768
static int
windowed_configure_output(struct ivi_output *output)
{
struct ivi_compositor *ivi = output->ivi;
struct weston_config_section *section = output->config;
int width = WINDOWED_DEFAULT_WIDTH;
int height = WINDOWED_DEFAULT_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 = WINDOWED_DEFAULT_WIDTH;
height = WINDOWED_DEFAULT_HEIGHT;
}
free(mode);
}
if (ivi->cmdline.width)
width = ivi->cmdline.width;
if (ivi->cmdline.height)
height = ivi->cmdline.height;
if (ivi->cmdline.scale)
weston_output_set_scale(output->output, ivi->cmdline.scale);
if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
output->name);
return -1;
}
return 0;
}
static int
parse_transform(const char *transform, uint32_t *out)
{
static const struct { const char *name; uint32_t token; } transforms[] = {
{ "normal", WL_OUTPUT_TRANSFORM_NORMAL },
{ "90", WL_OUTPUT_TRANSFORM_90 },
{ "180", WL_OUTPUT_TRANSFORM_180 },
{ "270", WL_OUTPUT_TRANSFORM_270 },
{ "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
{ "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
};
for (size_t 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;
}
static int
configure_output(struct ivi_output *output)
{
struct ivi_compositor *ivi = output->ivi;
struct weston_config_section *section = output->config;
int32_t scale = 1;
uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
/*
* This can happen with the wayland backend with 'sprawl'. The config
* is hard-coded, so we don't need to do anything.
*/
if (!ivi->drm_api && !ivi->window_api)
return 0;
if (section) {
char *t;
weston_config_section_get_int(section, "scale", &scale, 1);
weston_config_section_get_string(section, "transform", &t, "normal");
if (parse_transform(t, &transform) < 0)
weston_log("Invalid transform \"%s\" for output %s\n",
t, output->name);
free(t);
}
weston_output_set_scale(output->output, scale);
weston_output_set_transform(output->output, transform);
if (ivi->drm_api)
return drm_configure_output(output);
else
return windowed_configure_output(output);
}
/*
* Reorgainizes the output's add array into two sections.
* add[0..ret-1] are the heads that failed to get attached.
* add[ret..add_len] are the heads that were successfully attached.
*
* The order between elements in each section is stable.
*/
static size_t
try_attach_heads(struct ivi_output *output)
{
size_t fail_len = 0;
for (size_t i = 0; i < output->add_len; ++i) {
if (weston_output_attach_head(output->output, output->add[i]) < 0) {
struct weston_head *tmp = output->add[i];
memmove(&output->add[fail_len + 1], output->add[fail_len],
sizeof output->add[0] * (i - fail_len));
output->add[fail_len++] = tmp;
}
}
return fail_len;
}
/*
* Like try_attach_heads, this reorganizes the output's add array into a failed
* and successful section.
* i is the number of heads that already failed the previous step.
*/
static size_t
try_enable_output(struct ivi_output *output, size_t i)
{
for (; i < output->add_len; ++i) {
struct weston_head *head;
if (weston_output_enable(output->output) == 0)
break;
head = output->add[output->add_len - 1];
memmove(&output->add[i + 1], &output->add[i],
sizeof output->add[0] * (output->add_len - i));
output->add[i] = head;
weston_head_detach(head);
}
return i;
}
static int
try_attach_enable_heads(struct ivi_output *output)
{
size_t fail_len;
assert(!output->output->enabled);
fail_len = try_attach_heads(output);
if (configure_output(output) < 0)
return -1;
fail_len = try_enable_output(output, fail_len);
/* All heads failed to be attached */
if (fail_len == output->add_len)
return -1;
/* For each successful head attached */
for (size_t i = fail_len; i < output->add_len; ++i)
add_head_destroyed_listener(output->add[i]);
output->add_len = fail_len;
return 0;
}
static int
process_output(struct ivi_output *output)
{
if (output->output->enabled) {
output->add_len = try_attach_heads(output);
return output->add_len == 0 ? 0 : -1;
}
return try_attach_enable_heads(output);
}
static void
head_disable(struct ivi_compositor *ivi, struct weston_head *head)
{
struct weston_output *output;
struct ivi_output *ivi_output;
struct wl_listener *listener;
output = weston_head_get_output(head);
assert(output);
listener = weston_output_get_destroy_listener(output,
handle_output_destroy);
assert(listener);
ivi_output = wl_container_of(listener, ivi_output, output_destroy);
assert(ivi_output->output == output);
weston_head_detach(head);
if (count_heads(ivi_output->output) == 0) {
weston_output_disable(ivi_output->output);
}
}
static struct weston_config_section *
find_controlling_output_config(struct weston_config *config,
const char *name)
{
struct weston_config_section *section;
char *same_as;
int depth = 0;
same_as = strdup(name);
do {
section = weston_config_get_section(config, "output",
"name", same_as);
if (!section && depth > 0)
weston_log("Configuration error: output section reffered"
"to by same-as=%s not found.\n", same_as);
free(same_as);
if (!section)
return NULL;
if (depth++ > 8) {
weston_log("Configuration error: same-as nested too "
"deep for output '%s'.\n", name);
return NULL;
}
weston_config_section_get_string(section, "same-as",
&same_as, NULL);
} while (same_as);
return section;
}
static void
head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
{
const char *name = weston_head_get_name(head);
struct weston_config_section *section;
struct ivi_output *output;
char *output_name = NULL;
section = find_controlling_output_config(ivi->config, name);
if (section) {
char *mode;
weston_config_section_get_string(section, "mode", &mode, NULL);
if (mode && strcmp(mode, "off") == 0) {
free(mode);
return;
}
free(mode);
weston_config_section_get_string(section, "name",
&output_name, NULL);
} else {
output_name = strdup(name);
}
if (!output_name)
return;
output = ivi_ensure_output(ivi, output_name, section);
if (!output)
return;
if (output->add_len >= ARRAY_LENGTH(output->add))
return;
output->add[output->add_len++] = head;
}
static void
heads_changed(struct wl_listener *listener, void *arg)
{
struct weston_compositor *compositor = arg;
struct weston_head *head = NULL;
struct ivi_compositor *ivi = to_ivi_compositor(compositor);
struct ivi_output *output;
while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
bool connected = weston_head_is_connected(head);
bool enabled = weston_head_is_enabled(head);
bool changed = weston_head_is_device_changed(head);
bool non_desktop = weston_head_is_non_desktop(head);
if (connected && !enabled && !non_desktop)
head_prepare_enable(ivi, head);
else if (!connected && enabled)
head_disable(ivi, 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);
}
wl_list_for_each(output, &ivi->outputs, link) {
if (output->add_len == 0)
continue;
if (process_output(output) < 0) {
output->add_len = 0;
ivi->init_failed = true;
}
}
}
#ifdef HAVE_WALTHAM
static int
load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
{
struct weston_compositor *compositor = ivi->compositor;
int (*module_init)(struct weston_compositor *wc);
module_init = weston_load_module("waltham-transmitter.so",
"wet_module_init");
if (!module_init)
return -1;
if (module_init(compositor) < 0)
return -1;
ivi->waltham_transmitter_api = weston_get_transmitter_api(compositor);
if (!ivi->waltham_transmitter_api) {
weston_log("Failed to load waltham-transmitter plugin.\n");
return -1;
}
weston_log("waltham-transmitter plug-in loaded\n");
return 0;
}
#else
static int
load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
{
return -1;
}
#endif
#ifdef HAVE_REMOTING
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;
int32_t scale = 1;
uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
char *trans;
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;
}
weston_config_section_get_int(section, "scale", &scale, 1);
weston_output_set_scale(output, scale);
weston_config_section_get_string(section, "transform", &trans, "normal");
if (parse_transform(trans, &transform) < 0) {
weston_log("Invalid transform \"%s\" for output %s\n",
trans, output->name);
}
weston_output_set_transform(output, transform);
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 int
remote_output_init(struct ivi_output *ivi_output,
struct weston_compositor *compositor,
struct weston_config_section *section,
const struct weston_remoting_api *api)
{
char *output_name, *modeline = NULL;
int ret = -1;
weston_config_section_get_string(section, "name", &output_name, NULL);
if (!output_name)
return ret;
weston_config_section_get_string(section, "mode", &modeline, "off");
if (strcmp(modeline, "off") == 0)
goto err;
ivi_output->output = api->create_output(compositor, output_name);
if (!ivi_output->output) {
weston_log("Cannot create remoted output \"%s\".\n",
output_name);
goto err;
}
ret = drm_backend_remoted_output_configure(ivi_output->output, section,
modeline, api);
if (ret < 0) {
weston_log("Cannot configure remoted output \"%s\".\n",
output_name);
goto err;
}
if (weston_output_enable(ivi_output->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", ivi_output->output->name);
return 0;
err:
free(modeline);
free(output_name);
if (ivi_output->output)
weston_output_destroy(ivi_output->output);
return ret;
}
static void
ivi_enable_remote_outputs(struct ivi_compositor *ivi)
{
struct weston_config_section *remote_section = NULL;
const char *section_name;
struct weston_config *config = ivi->config;
while (weston_config_next_section(config, &remote_section, §ion_name)) {
if (strcmp(section_name, "remote-output"))
continue;
struct ivi_output *ivi_output = NULL;
bool output_found = false;
char *_name = NULL;
weston_config_section_get_string(remote_section,
"name", &_name, NULL);
wl_list_for_each(ivi_output, &ivi->outputs, link) {
if (!strcmp(ivi_output->name, _name)) {
output_found = true;
break;
}
}
if (output_found) {
free(_name);
continue;
}
ivi_output = zalloc(sizeof(*ivi_output));
ivi_output->ivi = ivi;
ivi_output->name = _name;
ivi_output->config = remote_section;
ivi_output->type = OUTPUT_REMOTE;
if (remote_output_init(ivi_output, ivi->compositor,
remote_section, ivi->remoting_api)) {
free(ivi_output->name);
free(ivi_output);
continue;
}
ivi_output->output_destroy.notify = handle_output_destroy;
weston_output_add_destroy_listener(ivi_output->output,
&ivi_output->output_destroy);
wl_list_insert(&ivi->outputs, &ivi_output->link);
ivi_output_configure_app_id(ivi_output);
}
}
static void
ivi_enable_waltham_outputs(struct ivi_compositor *ivi)
{
struct weston_config_section *transmitter_section = NULL;
const char *sect_name;
struct weston_config *config = ivi->config;
while (weston_config_next_section(config, &transmitter_section, §_name)) {
if (strcmp(sect_name, "transmitter-output"))
continue;
struct ivi_output *ivi_output = NULL;
bool output_found = false;
char *_name = NULL;
weston_config_section_get_string(transmitter_section,
"name", &_name, NULL);
wl_list_for_each(ivi_output, &ivi->outputs, link) {
if (!strcmp(ivi_output->name, _name)) {
output_found = true;
break;
}
}
if (output_found) {
free(_name);
continue;
}
ivi_output = zalloc(sizeof(*ivi_output));
ivi_output->ivi = ivi;
ivi_output->name = _name;
ivi_output->config = transmitter_section;
if (remote_output_init(ivi_output, ivi->compositor,
transmitter_section, ivi->remoting_api)) {
free(ivi_output->name);
free(ivi_output);
continue;
}
ivi_output->type = OUTPUT_WALTHAM;
ivi_output->output_destroy.notify = handle_output_destroy;
weston_output_add_destroy_listener(ivi_output->output,
&ivi_output->output_destroy);
wl_list_insert(&ivi->outputs, &ivi_output->link);
ivi_output_configure_app_id(ivi_output);
}
}
static int
load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
{
struct weston_compositor *compositor = ivi->compositor;
int (*module_init)(struct weston_compositor *wc);
module_init = weston_load_module("remoting-plugin.so",
"weston_module_init");
if (!module_init)
return -1;
if (module_init(compositor) < 0)
return -1;
ivi->remoting_api = weston_remoting_get_api(compositor);
if (!ivi->remoting_api)
return -1;
return 0;
}
#else
static int
load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
{
return -1;
}
#endif
static int
load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
{
struct weston_drm_backend_config config = {
.base = {
.struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
.struct_size = sizeof config,
},
};
struct weston_config_section *section;
int use_current_mode = 0;
int use_pixman = 0;
bool use_shadow;
int ret;
const struct weston_option options[] = {
{ WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
{ WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
{ WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
{ WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
config.use_pixman = use_pixman;
ivi->cmdline.use_current_mode = use_current_mode;
section = weston_config_get_section(ivi->config, "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", &use_shadow, 1);
config.use_pixman_shadow = use_shadow;
ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
&config.base);
if (ret < 0)
return ret;
ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
if (!ivi->drm_api) {
weston_log("Cannot use drm output api.\n");
ret = -1;
goto error;
}
load_remoting_plugin(ivi, ivi->config);
load_waltham_plugin(ivi, ivi->config);
error:
free(config.gbm_format);
free(config.seat_id);
return ret;
}
static void
windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
bool *use_pixman, bool *fullscreen, int *output_count)
{
struct weston_config_section *section;
bool pixman;
int fs = 0;
const struct weston_option options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
{ WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
{ WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
{ WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
{ WESTON_OPTION_INTEGER, "output-count", 0, output_count },
};
section = weston_config_get_section(ivi->config, "core", NULL, NULL);
weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
*output_count = 1;
parse_options(options, ARRAY_LENGTH(options), argc, argv);
*use_pixman = pixman;
*fullscreen = fs;
}
static int
windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
const char *match_prefix, const char *name_prefix)
{
struct weston_config_section *section = NULL;
const char *section_name;
char *default_output = NULL;
int i = 0;
size_t match_len = strlen(match_prefix);
while (weston_config_next_section(ivi->config, §ion, §ion_name)) {
char *output_name;
if (i >= output_count)
break;
if (strcmp(section_name, "output") != 0)
continue;
weston_config_section_get_string(section, "name", &output_name, NULL);
if (output_name == NULL)
continue;
if (strncmp(output_name, match_prefix, match_len) != 0) {
free(output_name);
continue;
}
if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
free(output_name);
return -1;
}
free(output_name);
++i;
}
for (; i < output_count; ++i) {
if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
return -1;
if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
free(default_output);
return -1;
}
free(default_output);
}
return 0;
}
static int
load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
{
struct weston_wayland_backend_config config = {
.base = {
.struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
.struct_size = sizeof config,
},
};
struct weston_config_section *section;
int sprawl = 0;
int output_count;
int ret;
const struct weston_option options[] = {
{ WESTON_OPTION_STRING, "display", 0, &config.display_name },
{ WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
};
windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
&config.fullscreen, &output_count);
parse_options(options, ARRAY_LENGTH(options), argc, argv);
config.sprawl = sprawl;
section = weston_config_get_section(ivi->config, "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);
ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
&config.base);
free(config.cursor_theme);
free(config.display_name);
if (ret < 0)
return ret;
ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
/*
* We will just assume if load_backend() finished cleanly and
* 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.
*/
if (ivi->window_api == NULL)
return 0;
return windowed_create_outputs(ivi, output_count, "WL", "wayland");
}
#ifdef HAVE_BACKEND_X11
static int
load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
{
struct weston_x11_backend_config config = {
.base = {
.struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
.struct_size = sizeof config,
},
};
int no_input = 0;
int output_count;
int ret;
const struct weston_option options[] = {
{ WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
};
windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
&config.fullscreen, &output_count);
parse_options(options, ARRAY_LENGTH(options), argc, argv);
config.no_input = no_input;
ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
&config.base);
if (ret < 0)
return ret;
ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
if (!ivi->window_api) {
weston_log("Cannot use weston_windowed_output_api.\n");
return -1;
}
return windowed_create_outputs(ivi, output_count, "X", "screen");
}
#else
static int
load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
{
return -1;
}
#endif
static int
load_backend(struct ivi_compositor *ivi, const char *backend,
int *argc, char *argv[])
{
if (strcmp(backend, "drm-backend.so") == 0) {
return load_drm_backend(ivi, argc, argv);
} else if (strcmp(backend, "wayland-backend.so") == 0) {
return load_wayland_backend(ivi, argc, argv);
} else if (strcmp(backend, "x11-backend.so") == 0) {
return load_x11_backend(ivi, argc, argv);
}
weston_log("fatal: unknown backend '%s'.\n", backend);
return -1;
}
static char *
choose_default_backend(void)
{
char *backend = NULL;
if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
backend = strdup("wayland-backend.so");
else if (getenv("DISPLAY"))
backend = strdup("x11-backend.so");
else
backend = strdup("drm-backend.so");
return backend;
}
static int
compositor_init_config(struct weston_compositor *compositor,
struct weston_config *config)
{
struct xkb_rule_names xkb_names;
struct weston_config_section *section;
int repaint_msec;
bool vt_switching;
bool require_input;
/* agl-compositor.ini [keyboard] */
section = weston_config_get_section(config, "keyboard", NULL, NULL);
weston_config_section_get_string(section, "keymap_rules",
(char **) &xkb_names.rules, NULL);
weston_config_section_get_string(section, "keymap_model",
(char **) &xkb_names.model, NULL);
weston_config_section_get_string(section, "keymap_layout",
(char **) &xkb_names.layout, NULL);
weston_config_section_get_string(section, "keymap_variant",
(char **) &xkb_names.variant, NULL);
weston_config_section_get_string(section, "keymap_options",
(char **) &xkb_names.options, NULL);
if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
return -1;
weston_config_section_get_int(section, "repeat-rate",
&compositor->kb_repeat_rate, 40);
weston_config_section_get_int(section, "repeat-delay",
&compositor->kb_repeat_delay, 400);
weston_config_section_get_bool(section, "vt-switching",
&vt_switching, false);
compositor->vt_switching = vt_switching;
/* agl-compositor.ini [core] */
section = weston_config_get_section(config, "core", NULL, NULL);
weston_config_section_get_bool(section, "require-input", &require_input, true);
compositor->require_input = require_input;
weston_config_section_get_int(section, "repaint-window", &repaint_msec,
compositor->repaint_msec);
if (repaint_msec < -10 || repaint_msec > 1000) {
weston_log("Invalid repaint_window value in config: %d\n",
repaint_msec);
} else {
compositor->repaint_msec = repaint_msec;
}
weston_log("Output repaint window is %d ms maximum.\n",
compositor->repaint_msec);
return 0;
}
struct ivi_surface *
to_ivi_surface(struct weston_surface *surface)
{
struct weston_desktop_surface *dsurface;
dsurface = weston_surface_get_desktop_surface(surface);
if (!dsurface)
return NULL;
return weston_desktop_surface_get_user_data(dsurface);
}
static void
activate_binding(struct weston_seat *seat,
struct weston_view *focus_view)
{
struct weston_surface *focus = focus_view->surface;
struct weston_surface *main_surface =
weston_surface_get_main_surface(focus);
struct ivi_surface *surface;
surface = to_ivi_surface(main_surface);
if (!surface)
return;
weston_seat_set_keyboard_focus(seat, focus);
}
static void
click_to_activate_binding(struct weston_pointer *pointer,
const struct timespec *time,
uint32_t button, void *data)
{
if (pointer->grab != &pointer->default_grab)
return;
if (pointer->focus == NULL)
return;
activate_binding(pointer->seat, pointer->focus);
}
static void
touch_to_activate_binding(struct weston_touch *touch,
const struct timespec *time,
void *data)
{
if (touch->grab != &touch->default_grab)
return;
if (touch->focus == NULL)
return;
activate_binding(touch->seat, touch->focus);
}
static void
add_bindings(struct weston_compositor *compositor)
{
weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
click_to_activate_binding,
NULL);
weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
click_to_activate_binding,
NULL);
weston_compositor_add_touch_binding(compositor, 0,
touch_to_activate_binding,
NULL);
}
static int
create_listening_socket(struct wl_display *display, const char *socket_name)
{
if (socket_name) {
if (wl_display_add_socket(display, socket_name)) {
weston_log("fatal: failed to add socket: %s\n",
strerror(errno));
return -1;
}
} else {
socket_name = wl_display_add_socket_auto(display);
if (!socket_name) {
weston_log("fatal: failed to add socket: %s\n",
strerror(errno));
return -1;
}
}
setenv("WAYLAND_DISPLAY", socket_name, 1);
return 0;
}
static bool
global_filter(const struct wl_client *client, const struct wl_global *global,
void *data)
{
return true;
}
static int
load_config(struct weston_config **config, bool no_config,
const char *config_file)
{
const char *file = "agl-compositor.ini";
const char *full_path;
if (config_file)
file = config_file;
if (!no_config)
*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 && !no_config) {
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 FILE *logfile;
static char *
log_timestamp(char *buf, size_t len)
{
struct timeval tv;
struct tm *brokendown_time;
char datestr[128];
char timestr[128];
gettimeofday(&tv, NULL);
brokendown_time = localtime(&tv.tv_sec);
if (brokendown_time == NULL) {
snprintf(buf, len, "%s", "[(NULL)localtime] ");
return buf;
}
memset(datestr, 0, sizeof(datestr));
if (brokendown_time->tm_mday != cached_tm_mday) {
strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
brokendown_time);
cached_tm_mday = brokendown_time->tm_mday;
}
strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
/* if datestr is empty it prints only timestr*/
snprintf(buf, len, "%s[%s.%03li]", datestr,
timestr, (tv.tv_usec / 1000));
return buf;
}
static void
custom_handler(const char *fmt, va_list arg)
{
char timestr[512];
weston_log_scope_printf(log_scope, "%s libwayland: ",
log_timestamp(timestr, sizeof(timestr)));
weston_log_scope_vprintf(log_scope, fmt, arg);
}
static void
log_file_open(const char *filename)
{
wl_log_set_handler_server(custom_handler);
if (filename)
logfile = fopen(filename, "a");
if (!logfile) {
logfile = stderr;
} else {
os_fd_set_cloexec(fileno(logfile));
setvbuf(logfile, NULL, _IOLBF, 256);
}
}
static void
log_file_close(void)
{
if (logfile && logfile != stderr)
fclose(logfile);
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 *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
len_va = vasprintf(&str, fmt, ap);
if (len_va >= 0) {
len = weston_log_scope_printf(log_scope, "%s %s",
xlog_timestamp, str);
free(str);
} else {
len = weston_log_scope_printf(log_scope, "%s %s",
xlog_timestamp, oom);
}
}
return len;
}
static int
vlog_continue(const char *fmt, va_list ap)
{
return weston_log_scope_vprintf(log_scope, fmt, ap);
}
static int
on_term_signal(int signo, void *data)
{
struct wl_display *display = data;
weston_log("caught signal %d\n", signo);
wl_display_terminate(display);
return 1;
}
static void
handle_exit(struct weston_compositor *compositor)
{
wl_display_terminate(compositor->wl_display);
}
static void
usage(int error_code)
{
FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
fprintf(out,
"Usage: agl-compositor [OPTIONS]\n"
"\n"
"This is " PACKAGE_STRING ", the reference compositor for\n"
"Automotive Grade Linux. Weston-ivi supports multiple backends, and depending\n"
"on which backend is in use different options will be accepted.\n"
"\n"
"Core options:\n"
"\n"
" --version\t\tPrint agl-compositor version\n"
" -B, --backend=MODULE\tBackend module, one of\n"
"\t\t\t\tdrm-backend.so\n"
"\t\t\t\twayland-backend.so\n"
"\t\t\t\tx11-backend.so\n"
" -S, --socket=NAME\tName of socket to listen on\n"
" --log=FILE\t\tLog to the given file\n"
" -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
" --no-config\t\tDo not read agl-compositor.ini\n"
" --debug\t\tEnable debug extension(s)\n"
" -h, --help\t\tThis help message\n"
"\n");
exit(error_code);
}
int main(int argc, char *argv[])
{
struct ivi_compositor ivi = { 0 };
struct wl_display *display = NULL;
struct wl_event_loop *loop;
struct wl_event_source *signals[3] = { 0 };
struct weston_config_section *section;
/* Command line options */
char *backend = NULL;
char *socket_name = NULL;
char *log = NULL;
int help = 0;
int version = 0;
int no_config = 0;
int debug = 0;
char *config_file = NULL;
struct weston_log_context *log_ctx = NULL;
struct weston_log_subscriber *logger;
int ret = EXIT_FAILURE;
const struct weston_option core_options[] = {
{ WESTON_OPTION_STRING, "backend", 'B', &backend },
{ WESTON_OPTION_STRING, "socket", 'S', &socket_name },
{ WESTON_OPTION_STRING, "log", 0, &log },
{ WESTON_OPTION_BOOLEAN, "help", 'h', &help },
{ WESTON_OPTION_BOOLEAN, "version", 0, &version },
{ WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
{ WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
{ WESTON_OPTION_STRING, "config", 'c', &config_file },
};
wl_list_init(&ivi.outputs);
wl_list_init(&ivi.surfaces);
wl_list_init(&ivi.pending_surfaces);
wl_list_init(&ivi.popup_pending_apps);
wl_list_init(&ivi.fullscreen_pending_apps);
wl_list_init(&ivi.split_pending_apps);
wl_list_init(&ivi.remote_pending_apps);
wl_list_init(&ivi.desktop_clients);
/* Prevent any clients we spawn getting our stdin */
os_fd_set_cloexec(STDIN_FILENO);
parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
if (help)
usage(EXIT_SUCCESS);
if (version) {
printf(PACKAGE_STRING "\n");
return EXIT_SUCCESS;
}
log_ctx = weston_log_ctx_compositor_create();
if (!log_ctx) {
fprintf(stderr, "Failed to initialize weston debug framework.\n");
return ret;
}
log_scope = weston_compositor_add_log_scope(log_ctx, "log",
"agl-compositor log\n",
NULL, NULL, NULL);
log_file_open(log);
weston_log_set_handler(vlog, vlog_continue);
logger = weston_log_subscriber_create_log(logfile);
weston_log_subscribe(log_ctx, logger, "log");
if (load_config(&ivi.config, no_config, config_file) < 0)
goto error_signals;
section = weston_config_get_section(ivi.config, "core", NULL, NULL);
if (!backend) {
weston_config_section_get_string(section, "backend", &backend,
NULL);
if (!backend)
backend = choose_default_backend();
}
/* from [core] */
weston_config_section_get_bool(section, "hide-cursor", &ivi.hide_cursor, false);
weston_config_section_get_bool(section, "activate-by-default", &ivi.activate_by_default, true);
display = wl_display_create();
loop = wl_display_get_event_loop(display);
wl_display_set_global_filter(display,
global_filter, &ivi);
/* Register signal handlers so we shut down cleanly */
signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
display);
signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
display);
signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
display);
for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
if (!signals[i])
goto error_signals;
ivi.compositor = weston_compositor_create(display, log_ctx, &ivi);
if (!ivi.compositor) {
weston_log("fatal: failed to create compositor.\n");
goto error_signals;
}
if (compositor_init_config(ivi.compositor, ivi.config) < 0)
goto error_compositor;
if (load_backend(&ivi, backend, &argc, argv) < 0) {
weston_log("fatal: failed to create compositor backend.\n");
goto error_compositor;
}
ivi.heads_changed.notify = heads_changed;
weston_compositor_add_heads_changed_listener(ivi.compositor,
&ivi.heads_changed);
if (ivi_desktop_init(&ivi) < 0)
goto error_compositor;
ivi_seat_init(&ivi);
if (ivi_policy_init(&ivi) < 0)
goto error_compositor;
if (ivi_shell_init(&ivi) < 0)
goto error_compositor;
add_bindings(ivi.compositor);
weston_compositor_flush_heads_changed(ivi.compositor);
if (ivi.remoting_api)
ivi_enable_remote_outputs(&ivi);
if (ivi.waltham_transmitter_api)
ivi_enable_waltham_outputs(&ivi);
if (create_listening_socket(display, socket_name) < 0)
goto error_compositor;
ivi_shell_init_black_fs(&ivi);
ivi.compositor->exit = handle_exit;
weston_compositor_wake(ivi.compositor);
ivi_shell_create_global(&ivi);
ivi_launch_shell_client(&ivi);
if (debug)
ivi_screenshooter_create(&ivi);
ivi_agl_systemd_notify(&ivi);
wl_display_run(display);
ret = ivi.compositor->exit_code;
wl_display_destroy_clients(display);
error_compositor:
weston_compositor_tear_down(ivi.compositor);
weston_compositor_log_scope_destroy(log_scope);
log_scope = NULL;
weston_log_ctx_compositor_destroy(ivi.compositor);
weston_compositor_destroy(ivi.compositor);
weston_log_subscriber_destroy_log(logger);
ivi_policy_destroy(ivi.policy);
error_signals:
for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
if (signals[i])
wl_event_source_remove(signals[i]);
wl_display_destroy(display);
log_file_close();
if (ivi.config)
weston_config_destroy(ivi.config);
return ret;
}