2 * Copyright © 2012-2021 Collabora, Ltd.
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial
14 * portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 #include "ivi-compositor.h"
38 #include <linux/input.h>
40 #include <libweston/backend-drm.h>
41 #include <libweston/backend-wayland.h>
42 #ifdef HAVE_BACKEND_HEADLESS
43 #include <libweston/backend-headless.h>
45 #ifdef HAVE_BACKEND_X11
46 #include <libweston/backend-x11.h>
48 #include <libweston/libweston.h>
49 #include <libweston/windowed-output-api.h>
50 #include <libweston/config-parser.h>
51 #include <libweston/weston-log.h>
52 #include <weston/weston.h>
54 #include "shared/os-compatibility.h"
55 #include "shared/helpers.h"
57 #include "agl-shell-server-protocol.h"
64 #include <waltham-transmitter/transmitter_api.h>
67 static int cached_tm_mday = -1;
68 static struct weston_log_scope *log_scope;
70 struct ivi_compositor *
71 to_ivi_compositor(struct weston_compositor *ec)
73 return weston_compositor_get_user_data(ec);
77 sigint_helper(int sig)
83 handle_output_destroy(struct wl_listener *listener, void *data)
85 struct ivi_output *output;
87 output = wl_container_of(listener, output, output_destroy);
88 assert(output->output == data);
90 if (output->fullscreen_view.fs &&
91 output->fullscreen_view.fs->view) {
92 weston_surface_destroy(output->fullscreen_view.fs->view->surface);
93 output->fullscreen_view.fs->view = NULL;
96 output->output = NULL;
97 wl_list_remove(&output->output_destroy.link);
101 to_ivi_output(struct weston_output *o)
103 struct wl_listener *listener;
104 struct ivi_output *output;
106 listener = weston_output_get_destroy_listener(o, handle_output_destroy);
107 output = wl_container_of(listener, output, output_destroy);
113 ivi_output_configure_app_id(struct ivi_output *ivi_output)
115 if (ivi_output->config) {
116 if (ivi_output->app_id != NULL)
119 weston_config_section_get_string(ivi_output->config,
124 if (ivi_output->app_id == NULL)
127 weston_log("Will place app_id %s on output %s\n",
128 ivi_output->app_id, ivi_output->name);
132 static struct ivi_output *
133 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
134 struct weston_config_section *config)
136 struct ivi_output *output = NULL;
137 wl_list_for_each(output, &ivi->outputs, link) {
138 if (strcmp(output->name, name) == 0) {
144 output = zalloc(sizeof *output);
152 output->config = config;
154 output->output = weston_compositor_create_output(ivi->compositor, name);
155 if (!output->output) {
161 output->output_destroy.notify = handle_output_destroy;
162 weston_output_add_destroy_listener(output->output,
163 &output->output_destroy);
165 wl_list_insert(&ivi->outputs, &output->link);
166 ivi_output_configure_app_id(output);
171 count_heads(struct weston_output *output)
173 struct weston_head *iter = NULL;
176 while ((iter = weston_output_iterate_heads(output, iter)))
183 handle_head_destroy(struct wl_listener *listener, void *data)
185 struct weston_head *head = data;
186 struct weston_output *output;
188 wl_list_remove(&listener->link);
191 output = weston_head_get_output(head);
193 /* On shutdown path, the output might be already gone. */
197 /* We're the last head */
198 if (count_heads(output) <= 1)
199 weston_output_destroy(output);
203 add_head_destroyed_listener(struct weston_head *head)
205 /* We already have a destroy listener */
206 if (weston_head_get_destroy_listener(head, handle_head_destroy))
209 struct wl_listener *listener = zalloc(sizeof *listener);
213 listener->notify = handle_head_destroy;
214 weston_head_add_destroy_listener(head, listener);
218 drm_configure_output(struct ivi_output *output)
220 struct ivi_compositor *ivi = output->ivi;
221 struct weston_config_section *section = output->config;
222 enum weston_drm_backend_output_mode mode =
223 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
224 char *modeline = NULL;
225 char *gbm_format = NULL;
230 weston_config_section_get_string(section, "mode", &m, "preferred");
232 /* This should have been handled earlier */
233 assert(strcmp(m, "off") != 0);
235 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
236 mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
237 } else if (strcmp(m, "preferred") != 0) {
243 weston_config_section_get_string(section, "gbm-format",
246 weston_config_section_get_string(section, "seat", &seat, "");
249 if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
250 weston_log("Cannot configure output using weston_drm_output_api.\n");
256 ivi->drm_api->set_gbm_format(output->output, gbm_format);
259 ivi->drm_api->set_seat(output->output, seat);
265 #define WINDOWED_DEFAULT_WIDTH 1024
266 #define WINDOWED_DEFAULT_HEIGHT 768
269 windowed_configure_output(struct ivi_output *output)
271 struct ivi_compositor *ivi = output->ivi;
272 struct weston_config_section *section = output->config;
273 int width = WINDOWED_DEFAULT_WIDTH;
274 int height = WINDOWED_DEFAULT_HEIGHT;
279 weston_config_section_get_string(section, "mode", &mode, NULL);
280 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
281 weston_log("Invalid mode for output %s. Using defaults.\n",
283 width = WINDOWED_DEFAULT_WIDTH;
284 height = WINDOWED_DEFAULT_HEIGHT;
289 if (ivi->cmdline.width)
290 width = ivi->cmdline.width;
291 if (ivi->cmdline.height)
292 height = ivi->cmdline.height;
293 if (ivi->cmdline.scale)
294 weston_output_set_scale(output->output, ivi->cmdline.scale);
296 if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
297 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
302 weston_log("Configured windowed_output_api to %dx%d\n", width, height);
308 parse_transform(const char *transform, uint32_t *out)
310 static const struct { const char *name; uint32_t token; } transforms[] = {
311 { "normal", WL_OUTPUT_TRANSFORM_NORMAL },
312 { "rotate-90", WL_OUTPUT_TRANSFORM_90 },
313 { "rotate-180", WL_OUTPUT_TRANSFORM_180 },
314 { "rotate-270", WL_OUTPUT_TRANSFORM_270 },
315 { "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
316 { "flipped-rotate-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
317 { "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
318 { "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
321 for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
322 if (strcmp(transforms[i].name, transform) == 0) {
323 *out = transforms[i].token;
327 *out = WL_OUTPUT_TRANSFORM_NORMAL;
332 parse_activation_area(const char *geometry, struct ivi_output *output)
335 unsigned width, height, x, y;
337 n = sscanf(geometry, "%ux%u+%u,%u", &width, &height, &x, &y);
341 output->area_activation.width = width;
342 output->area_activation.height = height;
343 output->area_activation.x = x;
344 output->area_activation.y = y;
349 configure_output(struct ivi_output *output)
351 struct ivi_compositor *ivi = output->ivi;
352 struct weston_config_section *section = output->config;
354 uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
357 * This can happen with the wayland backend with 'sprawl'. The config
358 * is hard-coded, so we don't need to do anything.
360 if (!ivi->drm_api && !ivi->window_api)
366 weston_config_section_get_int(section, "scale", &scale, 1);
367 weston_config_section_get_string(section, "transform", &t, "normal");
368 if (parse_transform(t, &transform) < 0)
369 weston_log("Invalid transform \"%s\" for output %s\n",
371 weston_config_section_get_string(section, "activation-area", &t, "");
372 if (parse_activation_area(t, output) < 0)
373 weston_log("Invalid activation-area \"%s\" for output %s\n",
378 weston_output_set_scale(output->output, scale);
379 weston_output_set_transform(output->output, transform);
382 return drm_configure_output(output);
384 return windowed_configure_output(output);
388 * Reorgainizes the output's add array into two sections.
389 * add[0..ret-1] are the heads that failed to get attached.
390 * add[ret..add_len] are the heads that were successfully attached.
392 * The order between elements in each section is stable.
395 try_attach_heads(struct ivi_output *output)
399 for (size_t i = 0; i < output->add_len; ++i) {
400 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
401 struct weston_head *tmp = output->add[i];
402 memmove(&output->add[fail_len + 1], output->add[fail_len],
403 sizeof output->add[0] * (i - fail_len));
404 output->add[fail_len++] = tmp;
412 * Like try_attach_heads, this reorganizes the output's add array into a failed
413 * and successful section.
414 * i is the number of heads that already failed the previous step.
417 try_enable_output(struct ivi_output *output, size_t i)
419 for (; i < output->add_len; ++i) {
420 struct weston_head *head;
422 if (weston_output_enable(output->output) == 0)
425 head = output->add[output->add_len - 1];
426 memmove(&output->add[i + 1], &output->add[i],
427 sizeof output->add[0] * (output->add_len - i));
428 output->add[i] = head;
430 weston_head_detach(head);
437 try_attach_enable_heads(struct ivi_output *output)
440 assert(!output->output->enabled);
442 fail_len = try_attach_heads(output);
444 if (configure_output(output) < 0)
447 fail_len = try_enable_output(output, fail_len);
449 /* All heads failed to be attached */
450 if (fail_len == output->add_len)
453 /* For each successful head attached */
454 for (size_t i = fail_len; i < output->add_len; ++i)
455 add_head_destroyed_listener(output->add[i]);
457 output->add_len = fail_len;
462 process_output(struct ivi_output *output)
464 if (output->output->enabled) {
465 output->add_len = try_attach_heads(output);
466 return output->add_len == 0 ? 0 : -1;
469 return try_attach_enable_heads(output);
473 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
475 struct weston_output *output;
476 struct ivi_output *ivi_output;
477 struct wl_listener *listener;
479 output = weston_head_get_output(head);
482 listener = weston_output_get_destroy_listener(output,
483 handle_output_destroy);
486 ivi_output = wl_container_of(listener, ivi_output, output_destroy);
487 assert(ivi_output->output == output);
489 weston_head_detach(head);
490 if (count_heads(ivi_output->output) == 0) {
491 if (ivi_output->output) {
492 /* ivi_output->output destruction may be deferred in
493 * some cases (see drm_output_destroy()), so we need to
494 * forcibly trigger the destruction callback now, or
495 * otherwise would later access data that we are about
498 struct weston_output *save = ivi_output->output;
500 handle_output_destroy(&ivi_output->output_destroy, save);
501 weston_output_destroy(save);
504 wl_list_remove(&ivi_output->link);
508 static struct weston_config_section *
509 find_controlling_output_config(struct weston_config *config,
512 struct weston_config_section *section;
516 same_as = strdup(name);
518 section = weston_config_get_section(config, "output",
520 if (!section && depth > 0)
521 weston_log("Configuration error: output section reffered"
522 "to by same-as=%s not found.\n", same_as);
529 weston_log("Configuration error: same-as nested too "
530 "deep for output '%s'.\n", name);
534 weston_config_section_get_string(section, "same-as",
542 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
544 const char *name = weston_head_get_name(head);
545 struct weston_config_section *section;
546 struct ivi_output *output;
547 char *output_name = NULL;
549 section = find_controlling_output_config(ivi->config, name);
553 weston_config_section_get_string(section, "mode", &mode, NULL);
554 if (mode && strcmp(mode, "off") == 0) {
560 weston_config_section_get_string(section, "name",
563 output_name = strdup(name);
569 output = ivi_ensure_output(ivi, output_name, section);
573 if (output->add_len >= ARRAY_LENGTH(output->add))
576 output->add[output->add_len++] = head;
580 heads_changed(struct wl_listener *listener, void *arg)
582 struct weston_compositor *compositor = arg;
583 struct weston_head *head = NULL;
584 struct ivi_compositor *ivi = to_ivi_compositor(compositor);
585 struct ivi_output *output;
587 while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
588 bool connected = weston_head_is_connected(head);
589 bool enabled = weston_head_is_enabled(head);
590 bool changed = weston_head_is_device_changed(head);
591 bool non_desktop = weston_head_is_non_desktop(head);
593 if (connected && !enabled && !non_desktop)
594 head_prepare_enable(ivi, head);
595 else if (!connected && enabled)
596 head_disable(ivi, head);
597 else if (enabled && changed)
598 weston_log("Detected a monitor change on head '%s', "
599 "not bothering to do anything about it.\n",
600 weston_head_get_name(head));
602 weston_head_reset_device_changed(head);
605 wl_list_for_each(output, &ivi->outputs, link) {
606 if (output->add_len == 0)
609 if (process_output(output) < 0) {
611 ivi->init_failed = true;
618 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
620 struct weston_compositor *compositor = ivi->compositor;
621 int (*module_init)(struct weston_compositor *wc);
623 module_init = weston_load_module("waltham-transmitter.so",
628 if (module_init(compositor) < 0)
631 ivi->waltham_transmitter_api = weston_get_transmitter_api(compositor);
632 if (!ivi->waltham_transmitter_api) {
633 weston_log("Failed to load waltham-transmitter plugin.\n");
637 weston_log("waltham-transmitter plug-in loaded\n");
642 load_waltham_plugin(struct ivi_compositor *ivi, struct weston_config *config)
650 drm_backend_remoted_output_configure(struct weston_output *output,
651 struct weston_config_section *section,
653 const struct weston_remoting_api *api)
655 char *gbm_format = NULL;
658 char *pipeline = NULL;
661 uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
664 ret = api->set_mode(output, modeline);
666 weston_log("Cannot configure an output \"%s\" using "
667 "weston_remoting_api. Invalid mode\n",
672 weston_config_section_get_int(section, "scale", &scale, 1);
673 weston_output_set_scale(output, scale);
675 weston_config_section_get_string(section, "transform", &trans, "normal");
676 if (parse_transform(trans, &transform) < 0) {
677 weston_log("Invalid transform \"%s\" for output %s\n",
678 trans, output->name);
680 weston_output_set_transform(output, transform);
682 weston_config_section_get_string(section, "gbm-format",
684 api->set_gbm_format(output, gbm_format);
687 weston_config_section_get_string(section, "seat", &seat, "");
689 api->set_seat(output, seat);
692 weston_config_section_get_string(section, "gst-pipeline", &pipeline,
695 api->set_gst_pipeline(output, pipeline);
700 weston_config_section_get_string(section, "host", &host, NULL);
701 weston_config_section_get_int(section, "port", &port, 0);
702 if (!host || port <= 0 || 65533 < port) {
703 weston_log("Cannot configure an output \"%s\". "
704 "Need to specify gst-pipeline or "
705 "host and port (1-65533).\n", output->name);
707 api->set_host(output, host);
709 api->set_port(output, port);
716 remote_output_init(struct ivi_output *ivi_output,
717 struct weston_compositor *compositor,
718 struct weston_config_section *section,
719 const struct weston_remoting_api *api)
721 char *output_name, *modeline = NULL;
724 weston_config_section_get_string(section, "name", &output_name, NULL);
728 weston_config_section_get_string(section, "mode", &modeline, "off");
729 if (strcmp(modeline, "off") == 0)
732 ivi_output->output = api->create_output(compositor, output_name);
733 if (!ivi_output->output) {
734 weston_log("Cannot create remoted output \"%s\".\n",
739 ret = drm_backend_remoted_output_configure(ivi_output->output, section,
742 weston_log("Cannot configure remoted output \"%s\".\n",
747 if (weston_output_enable(ivi_output->output) < 0) {
748 weston_log("Enabling remoted output \"%s\" failed.\n",
755 weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
762 if (ivi_output->output)
763 weston_output_destroy(ivi_output->output);
769 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
771 struct weston_config_section *remote_section = NULL;
772 const char *section_name;
773 struct weston_config *config = ivi->config;
775 while (weston_config_next_section(config, &remote_section, §ion_name)) {
776 if (strcmp(section_name, "remote-output"))
779 struct ivi_output *ivi_output = NULL;
780 bool output_found = false;
783 weston_config_section_get_string(remote_section,
784 "name", &_name, NULL);
785 wl_list_for_each(ivi_output, &ivi->outputs, link) {
786 if (!strcmp(ivi_output->name, _name)) {
797 ivi_output = zalloc(sizeof(*ivi_output));
803 ivi_output->ivi = ivi;
804 ivi_output->name = _name;
805 ivi_output->config = remote_section;
806 ivi_output->type = OUTPUT_REMOTE;
808 if (remote_output_init(ivi_output, ivi->compositor,
809 remote_section, ivi->remoting_api)) {
810 free(ivi_output->name);
815 ivi_output->output_destroy.notify = handle_output_destroy;
816 weston_output_add_destroy_listener(ivi_output->output,
817 &ivi_output->output_destroy);
819 wl_list_insert(&ivi->outputs, &ivi_output->link);
820 ivi_output_configure_app_id(ivi_output);
825 ivi_enable_waltham_outputs(struct ivi_compositor *ivi)
827 struct weston_config_section *transmitter_section = NULL;
828 const char *sect_name;
829 struct weston_config *config = ivi->config;
831 while (weston_config_next_section(config, &transmitter_section, §_name)) {
832 if (strcmp(sect_name, "transmitter-output"))
835 struct ivi_output *ivi_output = NULL;
836 bool output_found = false;
839 weston_config_section_get_string(transmitter_section,
840 "name", &_name, NULL);
841 wl_list_for_each(ivi_output, &ivi->outputs, link) {
842 if (!strcmp(ivi_output->name, _name)) {
853 ivi_output = zalloc(sizeof(*ivi_output));
859 ivi_output->ivi = ivi;
860 ivi_output->name = _name;
861 ivi_output->config = transmitter_section;
863 if (remote_output_init(ivi_output, ivi->compositor,
864 transmitter_section, ivi->remoting_api)) {
865 free(ivi_output->name);
870 ivi_output->type = OUTPUT_WALTHAM;
871 ivi_output->output_destroy.notify = handle_output_destroy;
872 weston_output_add_destroy_listener(ivi_output->output,
873 &ivi_output->output_destroy);
875 wl_list_insert(&ivi->outputs, &ivi_output->link);
876 ivi_output_configure_app_id(ivi_output);
881 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
883 struct weston_compositor *compositor = ivi->compositor;
884 int (*module_init)(struct weston_compositor *wc);
886 module_init = weston_load_module("remoting-plugin.so",
887 "weston_module_init");
891 if (module_init(compositor) < 0)
894 ivi->remoting_api = weston_remoting_get_api(compositor);
895 if (!ivi->remoting_api)
901 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
908 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
910 struct weston_drm_backend_config config = {
912 .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
913 .struct_size = sizeof config,
916 struct weston_config_section *section;
917 int use_current_mode = 0;
920 bool without_input = false;
923 const struct weston_option options[] = {
924 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
925 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
926 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
927 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
928 { WESTON_OPTION_BOOLEAN, "continue-without-input", false, &without_input }
931 parse_options(options, ARRAY_LENGTH(options), argc, argv);
932 config.use_pixman = use_pixman;
933 ivi->cmdline.use_current_mode = use_current_mode;
935 section = weston_config_get_section(ivi->config, "core", NULL, NULL);
936 weston_config_section_get_string(section, "gbm-format",
937 &config.gbm_format, NULL);
938 weston_config_section_get_uint(section, "pageflip-timeout",
939 &config.pageflip_timeout, 0);
940 weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
941 config.use_pixman_shadow = use_shadow;
944 ivi->compositor->require_input = !without_input;
946 ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
951 ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
953 weston_log("Cannot use drm output api.\n");
958 load_remoting_plugin(ivi, ivi->config);
959 load_waltham_plugin(ivi, ivi->config);
962 free(config.gbm_format);
963 free(config.seat_id);
968 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
969 bool *use_pixman, bool *fullscreen, int *output_count)
971 struct weston_config_section *section;
975 const struct weston_option options[] = {
976 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
977 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
978 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
979 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
980 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
981 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
984 section = weston_config_get_section(ivi->config, "core", NULL, NULL);
985 weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
988 parse_options(options, ARRAY_LENGTH(options), argc, argv);
989 *use_pixman = pixman;
994 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
995 const char *match_prefix, const char *name_prefix)
997 struct weston_config_section *section = NULL;
998 const char *section_name;
999 char *default_output = NULL;
1001 size_t match_len = strlen(match_prefix);
1003 while (weston_config_next_section(ivi->config, §ion, §ion_name)) {
1006 if (i >= output_count)
1009 if (strcmp(section_name, "output") != 0)
1012 weston_config_section_get_string(section, "name", &output_name, NULL);
1013 if (output_name == NULL)
1015 if (strncmp(output_name, match_prefix, match_len) != 0) {
1020 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
1029 for (; i < output_count; ++i) {
1030 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
1033 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
1034 free(default_output);
1038 free(default_output);
1045 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1047 struct weston_wayland_backend_config config = {
1049 .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
1050 .struct_size = sizeof config,
1053 struct weston_config_section *section;
1058 const struct weston_option options[] = {
1059 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
1060 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
1063 windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1064 &config.fullscreen, &output_count);
1066 parse_options(options, ARRAY_LENGTH(options), argc, argv);
1067 config.sprawl = sprawl;
1069 section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
1070 weston_config_section_get_string(section, "cursor-theme",
1071 &config.cursor_theme, NULL);
1072 weston_config_section_get_int(section, "cursor-size",
1073 &config.cursor_size, 32);
1075 ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
1078 free(config.cursor_theme);
1079 free(config.display_name);
1084 ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1087 * We will just assume if load_backend() finished cleanly and
1088 * windowed_output_api is not present that wayland backend is started
1089 * with --sprawl or runs on fullscreen-shell. In this case, all values
1090 * are hardcoded, so nothing can be configured; simply create and
1093 if (ivi->window_api == NULL)
1096 return windowed_create_outputs(ivi, output_count, "WL", "wayland");
1099 #ifdef HAVE_BACKEND_X11
1101 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1103 struct weston_x11_backend_config config = {
1105 .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
1106 .struct_size = sizeof config,
1113 const struct weston_option options[] = {
1114 { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1117 windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1118 &config.fullscreen, &output_count);
1120 parse_options(options, ARRAY_LENGTH(options), argc, argv);
1121 config.no_input = no_input;
1123 ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
1129 ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1130 if (!ivi->window_api) {
1131 weston_log("Cannot use weston_windowed_output_api.\n");
1135 return windowed_create_outputs(ivi, output_count, "X", "screen");
1139 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1145 #ifdef HAVE_BACKEND_HEADLESS
1147 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1149 struct weston_headless_backend_config config = {};
1157 struct weston_compositor *c = ivi->compositor;
1159 const struct weston_option options[] = {
1160 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
1161 { WESTON_OPTION_BOOLEAN, "use-gl", 0, &use_gl },
1164 windowed_parse_common_options(ivi, argc, argv, &use_pixman,
1165 &fullscreen, &output_count);
1167 parse_options(options, ARRAY_LENGTH(options), argc, argv);
1168 config.use_pixman = use_pixman;
1169 config.use_gl = use_gl;
1171 config.base.struct_version = WESTON_HEADLESS_BACKEND_CONFIG_VERSION;
1172 config.base.struct_size = sizeof(struct weston_headless_backend_config);
1174 /* load the actual headless-backend and configure it */
1175 ret = weston_compositor_load_backend(c, WESTON_BACKEND_HEADLESS,
1180 ivi->window_api = weston_windowed_output_get_api(c);
1181 if (!ivi->window_api) {
1182 weston_log("Cannot use weston_windowed_output_api.\n");
1186 if (ivi->window_api->create_head(c, "headless") < 0) {
1187 weston_log("Cannot create headless back-end\n");
1195 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1202 load_backend(struct ivi_compositor *ivi, const char *backend,
1203 int *argc, char *argv[])
1205 if (strcmp(backend, "drm-backend.so") == 0) {
1206 return load_drm_backend(ivi, argc, argv);
1207 } else if (strcmp(backend, "wayland-backend.so") == 0) {
1208 return load_wayland_backend(ivi, argc, argv);
1209 } else if (strcmp(backend, "x11-backend.so") == 0) {
1210 return load_x11_backend(ivi, argc, argv);
1211 } else if (strcmp(backend, "headless-backend.so") == 0) {
1212 return load_headless_backend(ivi, argc, argv);
1215 weston_log("fatal: unknown backend '%s'.\n", backend);
1220 load_modules(struct ivi_compositor *ivi, const char *modules,
1221 int *argc, char *argv[], bool *xwayland)
1223 const char *p, *end;
1225 int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]);
1227 if (modules == NULL)
1232 end = strchrnul(p, ',');
1233 snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
1235 if (strstr(buffer, "xwayland.so")) {
1236 weston_log("Xwayland plug-in not supported!\n");
1243 if (strstr(buffer, "systemd-notify.so")) {
1244 weston_log("systemd-notify plug-in already loaded!\n");
1251 module_init = weston_load_module(buffer, "wet_module_init");
1255 if (module_init(ivi->compositor, *argc, argv) < 0)
1268 choose_default_backend(void)
1270 char *backend = NULL;
1272 if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1273 backend = strdup("wayland-backend.so");
1274 else if (getenv("DISPLAY"))
1275 backend = strdup("x11-backend.so");
1277 backend = strdup("drm-backend.so");
1283 compositor_init_config(struct weston_compositor *compositor,
1284 struct weston_config *config)
1286 struct xkb_rule_names xkb_names;
1287 struct weston_config_section *section;
1292 /* agl-compositor.ini [keyboard] */
1293 section = weston_config_get_section(config, "keyboard", NULL, NULL);
1294 weston_config_section_get_string(section, "keymap_rules",
1295 (char **) &xkb_names.rules, NULL);
1296 weston_config_section_get_string(section, "keymap_model",
1297 (char **) &xkb_names.model, NULL);
1298 weston_config_section_get_string(section, "keymap_layout",
1299 (char **) &xkb_names.layout, NULL);
1300 weston_config_section_get_string(section, "keymap_variant",
1301 (char **) &xkb_names.variant, NULL);
1302 weston_config_section_get_string(section, "keymap_options",
1303 (char **) &xkb_names.options, NULL);
1305 if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1308 weston_config_section_get_int(section, "repeat-rate",
1309 &compositor->kb_repeat_rate, 40);
1310 weston_config_section_get_int(section, "repeat-delay",
1311 &compositor->kb_repeat_delay, 400);
1313 weston_config_section_get_bool(section, "vt-switching",
1314 &vt_switching, false);
1315 compositor->vt_switching = vt_switching;
1317 /* agl-compositor.ini [core] */
1318 section = weston_config_get_section(config, "core", NULL, NULL);
1320 weston_config_section_get_bool(section, "require-input", &require_input, true);
1321 compositor->require_input = require_input;
1323 weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1324 compositor->repaint_msec);
1325 if (repaint_msec < -10 || repaint_msec > 1000) {
1326 weston_log("Invalid repaint_window value in config: %d\n",
1329 compositor->repaint_msec = repaint_msec;
1331 weston_log("Output repaint window is %d ms maximum.\n",
1332 compositor->repaint_msec);
1337 struct ivi_surface *
1338 to_ivi_surface(struct weston_surface *surface)
1340 struct weston_desktop_surface *dsurface;
1342 dsurface = weston_surface_get_desktop_surface(surface);
1346 return weston_desktop_surface_get_user_data(dsurface);
1350 activate_binding(struct weston_seat *seat,
1351 struct weston_view *focus_view, uint32_t flags)
1353 struct weston_surface *focus_surface;
1354 struct weston_surface *main_surface;
1355 struct ivi_surface *ivi_surface;
1356 struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat);
1361 focus_surface = focus_view->surface;
1362 main_surface = weston_surface_get_main_surface(focus_surface);
1364 ivi_surface = to_ivi_surface(main_surface);
1369 ivi_shell_activate_surface(ivi_surface, ivi_seat, flags);
1373 click_to_activate_binding(struct weston_pointer *pointer,
1374 const struct timespec *time,
1375 uint32_t button, void *data)
1377 if (pointer->grab != &pointer->default_grab)
1379 if (pointer->focus == NULL)
1382 activate_binding(pointer->seat, pointer->focus,
1383 WESTON_ACTIVATE_FLAG_CLICKED);
1387 touch_to_activate_binding(struct weston_touch *touch,
1388 const struct timespec *time,
1391 if (touch->grab != &touch->default_grab)
1393 if (touch->focus == NULL)
1396 activate_binding(touch->seat, touch->focus,
1397 WESTON_ACTIVATE_FLAG_NONE);
1401 add_bindings(struct weston_compositor *compositor)
1403 weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1404 click_to_activate_binding,
1406 weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1407 click_to_activate_binding,
1409 weston_compositor_add_touch_binding(compositor, 0,
1410 touch_to_activate_binding,
1415 create_listening_socket(struct wl_display *display, const char *socket_name)
1418 if (wl_display_add_socket(display, socket_name)) {
1419 weston_log("fatal: failed to add socket: %s\n",
1424 socket_name = wl_display_add_socket_auto(display);
1426 weston_log("fatal: failed to add socket: %s\n",
1432 setenv("WAYLAND_DISPLAY", socket_name, 1);
1438 global_filter(const struct wl_client *client, const struct wl_global *global,
1445 load_config(struct weston_config **config, bool no_config,
1446 const char *config_file)
1448 const char *file = "agl-compositor.ini";
1449 const char *full_path;
1455 *config = weston_config_parse(file);
1458 full_path = weston_config_get_full_path(*config);
1460 weston_log("Using config file '%s'.\n", full_path);
1461 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1466 if (config_file && !no_config) {
1467 weston_log("fatal: error opening or reading config file '%s'.\n",
1473 weston_log("Starting with no config file.\n");
1474 setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1479 static FILE *logfile;
1482 log_timestamp(char *buf, size_t len)
1485 struct tm *brokendown_time;
1489 gettimeofday(&tv, NULL);
1491 brokendown_time = localtime(&tv.tv_sec);
1492 if (brokendown_time == NULL) {
1493 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1497 memset(datestr, 0, sizeof(datestr));
1498 if (brokendown_time->tm_mday != cached_tm_mday) {
1499 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1501 cached_tm_mday = brokendown_time->tm_mday;
1504 strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1505 /* if datestr is empty it prints only timestr*/
1506 snprintf(buf, len, "%s[%s.%03li]", datestr,
1507 timestr, (tv.tv_usec / 1000));
1513 custom_handler(const char *fmt, va_list arg)
1517 weston_log_scope_printf(log_scope, "%s libwayland: ",
1518 log_timestamp(timestr, sizeof(timestr)));
1519 weston_log_scope_vprintf(log_scope, fmt, arg);
1523 log_file_open(const char *filename)
1525 wl_log_set_handler_server(custom_handler);
1528 logfile = fopen(filename, "a");
1533 os_fd_set_cloexec(fileno(logfile));
1534 setvbuf(logfile, NULL, _IOLBF, 256);
1539 log_file_close(void)
1541 if (logfile && logfile != stderr)
1547 vlog(const char *fmt, va_list ap)
1549 const char *oom = "Out of memory";
1554 if (weston_log_scope_is_enabled(log_scope)) {
1556 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1557 len_va = vasprintf(&str, fmt, ap);
1559 len = weston_log_scope_printf(log_scope, "%s %s",
1560 xlog_timestamp, str);
1563 len = weston_log_scope_printf(log_scope, "%s %s",
1564 xlog_timestamp, oom);
1573 vlog_continue(const char *fmt, va_list ap)
1575 return weston_log_scope_vprintf(log_scope, fmt, ap);
1579 on_term_signal(int signo, void *data)
1581 struct wl_display *display = data;
1583 weston_log("caught signal %d\n", signo);
1584 wl_display_terminate(display);
1590 handle_exit(struct weston_compositor *compositor)
1592 wl_display_terminate(compositor->wl_display);
1596 usage(int error_code)
1598 FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1600 "Usage: agl-compositor [OPTIONS]\n"
1602 "This is " PACKAGE_STRING ", the reference compositor for\n"
1603 "Automotive Grade Linux. " PACKAGE_STRING " supports multiple "
1604 "backends,\nand depending on which backend is in use different "
1605 "options will be accepted.\n"
1609 " --version\t\tPrint agl-compositor version\n"
1610 " -B, --backend=MODULE\tBackend module, one of\n"
1611 "\t\t\t\tdrm-backend.so\n"
1612 "\t\t\t\twayland-backend.so\n"
1613 "\t\t\t\tx11-backend.so\n"
1614 "\t\t\t\theadless-backend.so\n"
1615 " -S, --socket=NAME\tName of socket to listen on\n"
1616 " --log=FILE\t\tLog to the given file\n"
1617 " -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1618 " --no-config\t\tDo not read agl-compositor.ini\n"
1619 " --debug\t\tEnable debug extension(s)\n"
1620 " -h, --help\t\tThis help message\n"
1626 copy_command_line(int argc, char * const argv[])
1633 fp = open_memstream(&str, &size);
1637 fprintf(fp, "%s", argv[0]);
1638 for (i = 1; i < argc; i++)
1639 fprintf(fp, " %s", argv[i]);
1646 int wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
1648 struct ivi_compositor ivi = { 0 };
1650 struct wl_display *display = NULL;
1651 struct wl_event_loop *loop;
1652 struct wl_event_source *signals[3] = { 0 };
1653 struct weston_config_section *section;
1654 /* Command line options */
1655 char *backend = NULL;
1656 char *socket_name = NULL;
1658 char *modules = NULL;
1659 char *option_modules = NULL;
1664 char *config_file = NULL;
1665 struct weston_log_context *log_ctx = NULL;
1666 struct weston_log_subscriber *logger;
1667 int ret = EXIT_FAILURE;
1668 bool xwayland = false;
1669 struct sigaction action;
1671 const struct weston_option core_options[] = {
1672 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1673 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1674 { WESTON_OPTION_STRING, "log", 0, &log },
1675 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1676 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1677 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1678 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1679 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1680 { WESTON_OPTION_STRING, "modules", 0, &option_modules },
1683 wl_list_init(&ivi.outputs);
1684 wl_list_init(&ivi.surfaces);
1685 wl_list_init(&ivi.pending_surfaces);
1686 wl_list_init(&ivi.popup_pending_apps);
1687 wl_list_init(&ivi.fullscreen_pending_apps);
1688 wl_list_init(&ivi.split_pending_apps);
1689 wl_list_init(&ivi.remote_pending_apps);
1690 wl_list_init(&ivi.desktop_clients);
1691 wl_list_init(&ivi.child_process_list);
1693 /* Prevent any clients we spawn getting our stdin */
1694 os_fd_set_cloexec(STDIN_FILENO);
1696 cmdline = copy_command_line(argc, argv);
1697 parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1700 usage(EXIT_SUCCESS);
1703 printf(PACKAGE_STRING "\n");
1708 log_ctx = weston_log_ctx_create();
1710 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1714 log_scope = weston_log_ctx_add_log_scope(log_ctx, "log",
1715 "agl-compositor log\n",
1719 weston_log_set_handler(vlog, vlog_continue);
1721 logger = weston_log_subscriber_create_log(logfile);
1722 weston_log_subscribe(log_ctx, logger, "log");
1724 weston_log("Command line: %s\n", cmdline);
1727 if (load_config(&ivi.config, no_config, config_file) < 0)
1729 section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1731 weston_config_section_get_string(section, "backend", &backend,
1734 backend = choose_default_backend();
1737 weston_config_section_get_bool(section, "hide-cursor",
1738 &ivi.hide_cursor, false);
1739 weston_config_section_get_bool(section, "activate-by-default",
1740 &ivi.activate_by_default, true);
1742 display = wl_display_create();
1743 loop = wl_display_get_event_loop(display);
1745 wl_display_set_global_filter(display,
1746 global_filter, &ivi);
1748 /* Register signal handlers so we shut down cleanly */
1750 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1752 signals[1] = wl_event_loop_add_signal(loop, SIGUSR2, on_term_signal,
1754 signals[2] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
1757 /* When debugging the compositor, if use wl_event_loop_add_signal() to
1758 * catch SIGINT, the debugger can't catch it, and attempting to stop
1759 * the compositor from within the debugger results in weston exiting
1762 * Instead, use the sigaction() function, which sets up the signal in a
1763 * way that gdb can successfully catch, but have the handler for SIGINT
1764 * send SIGUSR2 (xwayland uses SIGUSR1), which we catch via
1765 * wl_event_loop_add_signal().
1767 action.sa_handler = sigint_helper;
1768 sigemptyset(&action.sa_mask);
1769 action.sa_flags = 0;
1770 sigaction(SIGINT, &action, NULL);
1772 for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1776 ivi.compositor = weston_compositor_create(display, log_ctx, &ivi, test_data);
1777 if (!ivi.compositor) {
1778 weston_log("fatal: failed to create compositor.\n");
1782 if (compositor_init_config(ivi.compositor, ivi.config) < 0)
1783 goto error_compositor;
1785 if (load_backend(&ivi, backend, &argc, argv) < 0) {
1786 weston_log("fatal: failed to create compositor backend.\n");
1787 goto error_compositor;
1790 ivi.heads_changed.notify = heads_changed;
1791 weston_compositor_add_heads_changed_listener(ivi.compositor,
1792 &ivi.heads_changed);
1794 if (ivi_desktop_init(&ivi) < 0)
1795 goto error_compositor;
1797 ivi_seat_init(&ivi);
1799 /* load additional modules */
1800 weston_config_section_get_string(section, "modules", &modules, "");
1801 if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0)
1802 goto error_compositor;
1804 if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0)
1805 goto error_compositor;
1807 if (ivi_policy_init(&ivi) < 0)
1808 goto error_compositor;
1810 if (ivi_shell_init(&ivi) < 0)
1811 goto error_compositor;
1813 add_bindings(ivi.compositor);
1815 weston_compositor_flush_heads_changed(ivi.compositor);
1817 if (ivi.remoting_api)
1818 ivi_enable_remote_outputs(&ivi);
1820 if (ivi.waltham_transmitter_api)
1821 ivi_enable_waltham_outputs(&ivi);
1823 if (create_listening_socket(display, socket_name) < 0)
1824 goto error_compositor;
1826 ivi_shell_init_black_fs(&ivi);
1828 ivi.compositor->exit = handle_exit;
1830 weston_compositor_wake(ivi.compositor);
1832 ivi_shell_create_global(&ivi);
1834 ivi_launch_shell_client(&ivi, "shell-client",
1835 &ivi.shell_client.client);
1836 ivi_launch_shell_client(&ivi, "shell-client-ext",
1837 &ivi.shell_client_ext.client);
1840 ivi_screenshooter_create(&ivi);
1841 ivi_agl_systemd_notify(&ivi);
1843 wl_display_run(display);
1845 ret = ivi.compositor->exit_code;
1847 wl_display_destroy_clients(display);
1855 weston_compositor_destroy(ivi.compositor);
1857 weston_log_scope_destroy(log_scope);
1860 weston_log_subscriber_destroy(logger);
1861 weston_log_ctx_destroy(log_ctx);
1863 ivi_policy_destroy(ivi.policy);
1866 for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1868 wl_event_source_remove(signals[i]);
1870 wl_display_destroy(display);
1874 weston_config_destroy(ivi.config);
1880 free(option_modules);