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,
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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>
54 #include "shared/os-compatibility.h"
55 #include "shared/helpers.h"
57 #include "agl-shell-server-protocol.h"
63 static int cached_tm_mday = -1;
64 static struct weston_log_scope *log_scope;
66 struct ivi_compositor *
67 to_ivi_compositor(struct weston_compositor *ec)
69 return weston_compositor_get_user_data(ec);
73 sigint_helper(int sig)
79 ivi_layout_save(struct ivi_compositor *ivi, struct ivi_output *output)
81 struct ivi_output *new_output;
82 ivi->need_ivi_output_relayout = true;
84 new_output = zalloc(sizeof(*new_output));
86 new_output->ivi = ivi;
87 new_output->background = output->background;
89 new_output->top = output->top;
90 new_output->bottom = output->bottom;
91 new_output->left = output->left;
92 new_output->right = output->right;
94 new_output->active = output->active;
95 new_output->previous_active = output->previous_active;
96 new_output->name = strdup(output->name);
98 new_output->app_ids = strdup(output->app_ids);
100 new_output->area = output->area;
101 new_output->area_saved = output->area_saved;
102 new_output->area_activation = output->area_activation;
104 weston_log("saving output layout for output %s\n", new_output->name);
106 wl_list_insert(&ivi->saved_outputs, &new_output->link);
110 ivi_layout_restore(struct ivi_compositor *ivi, struct ivi_output *n_output)
112 struct ivi_output *output = NULL;
113 struct ivi_output *iter_output;
115 if (!ivi->need_ivi_output_relayout)
118 ivi->need_ivi_output_relayout = false;
120 wl_list_for_each(iter_output, &ivi->saved_outputs, link) {
121 if (strcmp(n_output->name, iter_output->name) == 0) {
122 output = iter_output;
130 weston_log("restoring output layout for output %s\n", output->name);
131 n_output->background = output->background;
133 n_output->top = output->top;
134 n_output->bottom = output->bottom;
135 n_output->left = output->left;
136 n_output->right = output->right;
138 n_output->active = output->active;
139 n_output->previous_active = output->previous_active;
141 n_output->app_ids = strdup(output->app_ids);
143 n_output->area = output->area;
144 n_output->area_saved = output->area_saved;
145 n_output->area_activation = output->area_activation;
147 free(output->app_ids);
149 wl_list_remove(&output->link);
154 ivi_layout_destroy_saved_outputs(struct ivi_compositor *ivi)
156 struct ivi_output *output, *output_next;
158 wl_list_for_each_safe(output, output_next, &ivi->saved_outputs, link) {
159 free(output->app_ids);
162 wl_list_remove(&output->link);
168 handle_output_destroy(struct wl_listener *listener, void *data)
170 struct ivi_output *output;
172 output = wl_container_of(listener, output, output_destroy);
173 assert(output->output == data);
175 if (output->fullscreen_view.fs &&
176 output->fullscreen_view.fs->view) {
177 weston_surface_destroy(output->fullscreen_view.fs->view->surface);
178 output->fullscreen_view.fs->view = NULL;
181 ivi_layout_save(output->ivi, output);
183 output->output = NULL;
184 wl_list_remove(&output->output_destroy.link);
188 to_ivi_output(struct weston_output *o)
190 struct wl_listener *listener;
191 struct ivi_output *output;
193 listener = weston_output_get_destroy_listener(o, handle_output_destroy);
194 output = wl_container_of(listener, output, output_destroy);
200 ivi_output_configure_app_id(struct ivi_output *ivi_output)
202 if (ivi_output->config) {
203 if (ivi_output->app_ids != NULL)
206 weston_config_section_get_string(ivi_output->config,
208 &ivi_output->app_ids,
211 if (ivi_output->app_ids == NULL)
214 weston_log("Will place app_id %s on output %s\n",
215 ivi_output->app_ids, ivi_output->name);
219 static struct ivi_output *
220 ivi_ensure_output(struct ivi_compositor *ivi, char *name,
221 struct weston_config_section *config)
223 struct ivi_output *output = NULL;
224 wl_list_for_each(output, &ivi->outputs, link) {
225 if (strcmp(output->name, name) == 0) {
231 output = zalloc(sizeof *output);
239 output->config = config;
241 output->output = weston_compositor_create_output(ivi->compositor, name);
242 if (!output->output) {
248 output->output_destroy.notify = handle_output_destroy;
249 weston_output_add_destroy_listener(output->output,
250 &output->output_destroy);
252 wl_list_insert(&ivi->outputs, &output->link);
253 ivi_output_configure_app_id(output);
258 count_heads(struct weston_output *output)
260 struct weston_head *iter = NULL;
263 while ((iter = weston_output_iterate_heads(output, iter)))
270 handle_head_destroy(struct wl_listener *listener, void *data)
272 struct weston_head *head = data;
273 struct weston_output *output;
275 wl_list_remove(&listener->link);
278 output = weston_head_get_output(head);
280 /* On shutdown path, the output might be already gone. */
284 /* We're the last head */
285 if (count_heads(output) <= 1)
286 weston_output_destroy(output);
290 add_head_destroyed_listener(struct weston_head *head)
292 /* We already have a destroy listener */
293 if (weston_head_get_destroy_listener(head, handle_head_destroy))
296 struct wl_listener *listener = zalloc(sizeof *listener);
300 listener->notify = handle_head_destroy;
301 weston_head_add_destroy_listener(head, listener);
305 drm_configure_output(struct ivi_output *output)
307 struct ivi_compositor *ivi = output->ivi;
308 struct weston_config_section *section = output->config;
309 enum weston_drm_backend_output_mode mode =
310 WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
311 char *modeline = NULL;
312 char *gbm_format = NULL;
317 weston_config_section_get_string(section, "mode", &m, "preferred");
319 /* This should have been handled earlier */
320 assert(strcmp(m, "off") != 0);
322 if (ivi->cmdline.use_current_mode || strcmp(m, "current") == 0) {
323 mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
324 } else if (strcmp(m, "preferred") != 0) {
330 weston_config_section_get_string(section, "gbm-format",
333 weston_config_section_get_string(section, "seat", &seat, "");
336 if (ivi->drm_api->set_mode(output->output, mode, modeline) < 0) {
337 weston_log("Cannot configure output using weston_drm_output_api.\n");
343 ivi->drm_api->set_gbm_format(output->output, gbm_format);
346 ivi->drm_api->set_seat(output->output, seat);
352 #define WINDOWED_DEFAULT_WIDTH 1024
353 #define WINDOWED_DEFAULT_HEIGHT 768
356 windowed_configure_output(struct ivi_output *output)
358 struct ivi_compositor *ivi = output->ivi;
359 struct weston_config_section *section = output->config;
360 int width = WINDOWED_DEFAULT_WIDTH;
361 int height = WINDOWED_DEFAULT_HEIGHT;
366 weston_config_section_get_string(section, "mode", &mode, NULL);
367 if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) {
368 weston_log("Invalid mode for output %s. Using defaults.\n",
370 width = WINDOWED_DEFAULT_WIDTH;
371 height = WINDOWED_DEFAULT_HEIGHT;
376 if (ivi->cmdline.width)
377 width = ivi->cmdline.width;
378 if (ivi->cmdline.height)
379 height = ivi->cmdline.height;
380 if (ivi->cmdline.scale)
381 weston_output_set_scale(output->output, ivi->cmdline.scale);
383 if (ivi->window_api->output_set_size(output->output, width, height) < 0) {
384 weston_log("Cannot configure output '%s' using weston_windowed_output_api.\n",
389 weston_log("Configured windowed_output_api to %dx%d\n", width, height);
395 parse_transform(const char *transform, uint32_t *out)
397 static const struct { const char *name; uint32_t token; } transforms[] = {
398 { "normal", WL_OUTPUT_TRANSFORM_NORMAL },
399 { "rotate-90", WL_OUTPUT_TRANSFORM_90 },
400 { "rotate-180", WL_OUTPUT_TRANSFORM_180 },
401 { "rotate-270", WL_OUTPUT_TRANSFORM_270 },
402 { "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
403 { "flipped-rotate-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
404 { "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
405 { "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
408 for (size_t i = 0; i < ARRAY_LENGTH(transforms); i++)
409 if (strcmp(transforms[i].name, transform) == 0) {
410 *out = transforms[i].token;
414 *out = WL_OUTPUT_TRANSFORM_NORMAL;
419 parse_activation_area(const char *geometry, struct ivi_output *output)
422 unsigned width, height, x, y;
424 n = sscanf(geometry, "%ux%u+%u,%u", &width, &height, &x, &y);
428 output->area_activation.width = width;
429 output->area_activation.height = height;
430 output->area_activation.x = x;
431 output->area_activation.y = y;
436 configure_output(struct ivi_output *output)
438 struct ivi_compositor *ivi = output->ivi;
439 struct weston_config_section *section = output->config;
441 uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
444 * This can happen with the wayland backend with 'sprawl'. The config
445 * is hard-coded, so we don't need to do anything.
447 if (!ivi->drm_api && !ivi->window_api)
453 weston_config_section_get_int(section, "scale", &scale, 1);
454 weston_config_section_get_string(section, "transform", &t, "normal");
455 if (parse_transform(t, &transform) < 0)
456 weston_log("Invalid transform \"%s\" for output %s\n",
458 weston_config_section_get_string(section, "activation-area", &t, "");
459 if (parse_activation_area(t, output) < 0)
460 weston_log("Invalid activation-area \"%s\" for output %s\n",
465 weston_output_set_scale(output->output, scale);
466 weston_output_set_transform(output->output, transform);
469 return drm_configure_output(output);
471 return windowed_configure_output(output);
475 * Reorgainizes the output's add array into two sections.
476 * add[0..ret-1] are the heads that failed to get attached.
477 * add[ret..add_len] are the heads that were successfully attached.
479 * The order between elements in each section is stable.
482 try_attach_heads(struct ivi_output *output)
486 for (size_t i = 0; i < output->add_len; ++i) {
487 if (weston_output_attach_head(output->output, output->add[i]) < 0) {
488 struct weston_head *tmp = output->add[i];
489 memmove(&output->add[fail_len + 1], output->add[fail_len],
490 sizeof output->add[0] * (i - fail_len));
491 output->add[fail_len++] = tmp;
499 * Like try_attach_heads, this reorganizes the output's add array into a failed
500 * and successful section.
501 * i is the number of heads that already failed the previous step.
504 try_enable_output(struct ivi_output *output, size_t i)
506 for (; i < output->add_len; ++i) {
507 struct weston_head *head;
509 if (weston_output_enable(output->output) == 0)
512 head = output->add[output->add_len - 1];
513 memmove(&output->add[i + 1], &output->add[i],
514 sizeof output->add[0] * (output->add_len - i));
515 output->add[i] = head;
517 weston_head_detach(head);
524 try_attach_enable_heads(struct ivi_output *output)
527 assert(!output->output->enabled);
529 fail_len = try_attach_heads(output);
531 if (configure_output(output) < 0)
534 fail_len = try_enable_output(output, fail_len);
536 /* All heads failed to be attached */
537 if (fail_len == output->add_len)
540 /* For each successful head attached */
541 for (size_t i = fail_len; i < output->add_len; ++i)
542 add_head_destroyed_listener(output->add[i]);
544 ivi_layout_restore(output->ivi, output);
546 output->add_len = fail_len;
551 process_output(struct ivi_output *output)
553 if (output->output->enabled) {
554 output->add_len = try_attach_heads(output);
555 return output->add_len == 0 ? 0 : -1;
558 return try_attach_enable_heads(output);
562 head_disable(struct ivi_compositor *ivi, struct weston_head *head)
564 struct weston_output *output;
565 struct ivi_output *ivi_output;
566 struct wl_listener *listener;
568 output = weston_head_get_output(head);
571 listener = weston_output_get_destroy_listener(output,
572 handle_output_destroy);
575 ivi_output = wl_container_of(listener, ivi_output, output_destroy);
576 assert(ivi_output->output == output);
578 weston_head_detach(head);
579 if (count_heads(ivi_output->output) == 0) {
580 if (ivi_output->output) {
581 /* ivi_output->output destruction may be deferred in
582 * some cases (see drm_output_destroy()), so we need to
583 * forcibly trigger the destruction callback now, or
584 * otherwise would later access data that we are about
587 struct weston_output *save = ivi_output->output;
589 handle_output_destroy(&ivi_output->output_destroy, save);
590 weston_output_destroy(save);
593 wl_list_remove(&ivi_output->link);
594 free(ivi_output->app_ids);
598 static struct weston_config_section *
599 find_controlling_output_config(struct weston_config *config,
602 struct weston_config_section *section;
606 same_as = strdup(name);
608 section = weston_config_get_section(config, "output",
610 if (!section && depth > 0)
611 weston_log("Configuration error: output section reffered"
612 "to by same-as=%s not found.\n", same_as);
619 weston_log("Configuration error: same-as nested too "
620 "deep for output '%s'.\n", name);
624 weston_config_section_get_string(section, "same-as",
632 head_prepare_enable(struct ivi_compositor *ivi, struct weston_head *head)
634 const char *name = weston_head_get_name(head);
635 struct weston_config_section *section;
636 struct ivi_output *output;
637 char *output_name = NULL;
639 section = find_controlling_output_config(ivi->config, name);
643 weston_config_section_get_string(section, "mode", &mode, NULL);
644 if (mode && strcmp(mode, "off") == 0) {
650 weston_config_section_get_string(section, "name",
653 output_name = strdup(name);
659 output = ivi_ensure_output(ivi, output_name, section);
663 if (output->add_len >= ARRAY_LENGTH(output->add))
666 output->add[output->add_len++] = head;
670 heads_changed(struct wl_listener *listener, void *arg)
672 struct weston_compositor *compositor = arg;
673 struct weston_head *head = NULL;
674 struct ivi_compositor *ivi = to_ivi_compositor(compositor);
675 struct ivi_output *output;
677 while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) {
678 bool connected = weston_head_is_connected(head);
679 bool enabled = weston_head_is_enabled(head);
680 bool changed = weston_head_is_device_changed(head);
681 bool non_desktop = weston_head_is_non_desktop(head);
683 if (connected && !enabled && !non_desktop)
684 head_prepare_enable(ivi, head);
685 else if (!connected && enabled)
686 head_disable(ivi, head);
687 else if (enabled && changed)
688 weston_log("Detected a monitor change on head '%s', "
689 "not bothering to do anything about it.\n",
690 weston_head_get_name(head));
692 weston_head_reset_device_changed(head);
695 wl_list_for_each(output, &ivi->outputs, link) {
696 if (output->add_len == 0)
699 if (process_output(output) < 0) {
701 ivi->init_failed = true;
708 drm_backend_remoted_output_configure(struct weston_output *output,
709 struct weston_config_section *section,
711 const struct weston_remoting_api *api)
713 char *gbm_format = NULL;
716 char *pipeline = NULL;
719 uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL;
722 ret = api->set_mode(output, modeline);
724 weston_log("Cannot configure an output \"%s\" using "
725 "weston_remoting_api. Invalid mode\n",
730 weston_config_section_get_int(section, "scale", &scale, 1);
731 weston_output_set_scale(output, scale);
733 weston_config_section_get_string(section, "transform", &trans, "normal");
734 if (parse_transform(trans, &transform) < 0) {
735 weston_log("Invalid transform \"%s\" for output %s\n",
736 trans, output->name);
738 weston_output_set_transform(output, transform);
740 weston_config_section_get_string(section, "gbm-format",
742 api->set_gbm_format(output, gbm_format);
745 weston_config_section_get_string(section, "seat", &seat, "");
747 api->set_seat(output, seat);
750 weston_config_section_get_string(section, "gst-pipeline", &pipeline,
753 api->set_gst_pipeline(output, pipeline);
758 weston_config_section_get_string(section, "host", &host, NULL);
759 weston_config_section_get_int(section, "port", &port, 0);
760 if (!host || port <= 0 || 65533 < port) {
761 weston_log("Cannot configure an output \"%s\". "
762 "Need to specify gst-pipeline or "
763 "host and port (1-65533).\n", output->name);
765 api->set_host(output, host);
767 api->set_port(output, port);
774 remote_output_init(struct ivi_output *ivi_output,
775 struct weston_compositor *compositor,
776 struct weston_config_section *section,
777 const struct weston_remoting_api *api)
779 char *output_name, *modeline = NULL;
782 weston_config_section_get_string(section, "name", &output_name, NULL);
786 weston_config_section_get_string(section, "mode", &modeline, "off");
787 if (strcmp(modeline, "off") == 0)
790 ivi_output->output = api->create_output(compositor, output_name);
791 if (!ivi_output->output) {
792 weston_log("Cannot create remoted output \"%s\".\n",
797 ret = drm_backend_remoted_output_configure(ivi_output->output, section,
800 weston_log("Cannot configure remoted output \"%s\".\n",
805 if ((ret = weston_output_enable(ivi_output->output)) < 0) {
806 weston_log("Enabling remoted output \"%s\" failed.\n",
813 weston_log("remoted output '%s' enabled\n", ivi_output->output->name);
820 if (ivi_output->output)
821 weston_output_destroy(ivi_output->output);
827 ivi_enable_remote_outputs(struct ivi_compositor *ivi)
829 struct weston_config_section *remote_section = NULL;
830 const char *section_name;
831 struct weston_config *config = ivi->config;
833 while (weston_config_next_section(config, &remote_section, §ion_name)) {
834 if (strcmp(section_name, "remote-output"))
837 struct ivi_output *ivi_output = NULL;
838 bool output_found = false;
841 weston_config_section_get_string(remote_section,
842 "name", &_name, NULL);
843 wl_list_for_each(ivi_output, &ivi->outputs, link) {
844 if (!strcmp(ivi_output->name, _name)) {
855 ivi_output = zalloc(sizeof(*ivi_output));
861 ivi_output->ivi = ivi;
862 ivi_output->name = _name;
863 ivi_output->config = remote_section;
864 ivi_output->type = OUTPUT_REMOTE;
866 if (remote_output_init(ivi_output, ivi->compositor,
867 remote_section, ivi->remoting_api)) {
868 free(ivi_output->name);
873 ivi_output->output_destroy.notify = handle_output_destroy;
874 weston_output_add_destroy_listener(ivi_output->output,
875 &ivi_output->output_destroy);
877 wl_list_insert(&ivi->outputs, &ivi_output->link);
878 ivi_output_configure_app_id(ivi_output);
883 load_remoting_plugin(struct ivi_compositor *ivi, struct weston_config *config)
885 struct weston_compositor *compositor = ivi->compositor;
886 int (*module_init)(struct weston_compositor *wc);
888 module_init = weston_load_module("remoting-plugin.so",
889 "weston_module_init");
893 if (module_init(compositor) < 0)
896 ivi->remoting_api = weston_remoting_get_api(compositor);
897 if (!ivi->remoting_api)
903 load_remoting_plugin(struct weston_compositor *compositor, struct weston_config *config)
910 load_drm_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
912 struct weston_drm_backend_config config = {
914 .struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION,
915 .struct_size = sizeof config,
918 struct weston_config_section *section;
919 int use_current_mode = 0;
922 bool without_input = false;
925 const struct weston_option options[] = {
926 { WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
927 { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device },
928 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode },
929 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
930 { WESTON_OPTION_BOOLEAN, "continue-without-input", false, &without_input }
933 parse_options(options, ARRAY_LENGTH(options), argc, argv);
934 config.use_pixman = use_pixman;
935 ivi->cmdline.use_current_mode = use_current_mode;
937 section = weston_config_get_section(ivi->config, "core", NULL, NULL);
938 weston_config_section_get_string(section, "gbm-format",
939 &config.gbm_format, NULL);
940 weston_config_section_get_uint(section, "pageflip-timeout",
941 &config.pageflip_timeout, 0);
942 weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
943 config.use_pixman_shadow = use_shadow;
946 ivi->compositor->require_input = !without_input;
948 ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM,
953 ivi->drm_api = weston_drm_output_get_api(ivi->compositor);
955 weston_log("Cannot use drm output api.\n");
960 load_remoting_plugin(ivi, ivi->config);
963 free(config.gbm_format);
964 free(config.seat_id);
969 windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[],
970 bool *use_pixman, bool *fullscreen, int *output_count)
972 struct weston_config_section *section;
976 const struct weston_option options[] = {
977 { WESTON_OPTION_INTEGER, "width", 0, &ivi->cmdline.width },
978 { WESTON_OPTION_INTEGER, "height", 0, &ivi->cmdline.height },
979 { WESTON_OPTION_INTEGER, "scale", 0, &ivi->cmdline.scale },
980 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &pixman },
981 { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fs },
982 { WESTON_OPTION_INTEGER, "output-count", 0, output_count },
985 section = weston_config_get_section(ivi->config, "core", NULL, NULL);
986 weston_config_section_get_bool(section, "use-pixman", &pixman, 0);
989 parse_options(options, ARRAY_LENGTH(options), argc, argv);
990 *use_pixman = pixman;
995 windowed_create_outputs(struct ivi_compositor *ivi, int output_count,
996 const char *match_prefix, const char *name_prefix)
998 struct weston_config_section *section = NULL;
999 const char *section_name;
1000 char *default_output = NULL;
1002 size_t match_len = strlen(match_prefix);
1004 while (weston_config_next_section(ivi->config, §ion, §ion_name)) {
1007 if (i >= output_count)
1010 if (strcmp(section_name, "output") != 0)
1013 weston_config_section_get_string(section, "name", &output_name, NULL);
1014 if (output_name == NULL)
1016 if (strncmp(output_name, match_prefix, match_len) != 0) {
1021 if (ivi->window_api->create_head(ivi->compositor, output_name) < 0) {
1030 for (; i < output_count; ++i) {
1031 if (asprintf(&default_output, "%s%d", name_prefix, i) < 0)
1034 if (ivi->window_api->create_head(ivi->compositor, default_output) < 0) {
1035 free(default_output);
1039 free(default_output);
1046 load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1048 struct weston_wayland_backend_config config = {
1050 .struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION,
1051 .struct_size = sizeof config,
1054 struct weston_config_section *section;
1059 const struct weston_option options[] = {
1060 { WESTON_OPTION_STRING, "display", 0, &config.display_name },
1061 { WESTON_OPTION_STRING, "sprawl", 0, &sprawl },
1064 windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1065 &config.fullscreen, &output_count);
1067 parse_options(options, ARRAY_LENGTH(options), argc, argv);
1068 config.sprawl = sprawl;
1070 section = weston_config_get_section(ivi->config, "shell", NULL, NULL);
1071 weston_config_section_get_string(section, "cursor-theme",
1072 &config.cursor_theme, NULL);
1073 weston_config_section_get_int(section, "cursor-size",
1074 &config.cursor_size, 32);
1076 ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND,
1079 free(config.cursor_theme);
1080 free(config.display_name);
1085 ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1088 * We will just assume if load_backend() finished cleanly and
1089 * windowed_output_api is not present that wayland backend is started
1090 * with --sprawl or runs on fullscreen-shell. In this case, all values
1091 * are hardcoded, so nothing can be configured; simply create and
1094 if (ivi->window_api == NULL)
1097 return windowed_create_outputs(ivi, output_count, "WL", "wayland");
1100 #ifdef HAVE_BACKEND_X11
1102 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1104 struct weston_x11_backend_config config = {
1106 .struct_version = WESTON_X11_BACKEND_CONFIG_VERSION,
1107 .struct_size = sizeof config,
1114 const struct weston_option options[] = {
1115 { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input },
1118 windowed_parse_common_options(ivi, argc, argv, &config.use_pixman,
1119 &config.fullscreen, &output_count);
1121 parse_options(options, ARRAY_LENGTH(options), argc, argv);
1122 config.no_input = no_input;
1124 ret = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11,
1130 ivi->window_api = weston_windowed_output_get_api(ivi->compositor);
1131 if (!ivi->window_api) {
1132 weston_log("Cannot use weston_windowed_output_api.\n");
1136 return windowed_create_outputs(ivi, output_count, "X", "screen");
1140 load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[])
1146 #ifdef HAVE_BACKEND_HEADLESS
1148 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1150 struct weston_headless_backend_config config = {};
1158 struct weston_compositor *c = ivi->compositor;
1160 const struct weston_option options[] = {
1161 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &use_pixman },
1162 { WESTON_OPTION_BOOLEAN, "use-gl", 0, &use_gl },
1165 windowed_parse_common_options(ivi, argc, argv, &use_pixman,
1166 &fullscreen, &output_count);
1168 parse_options(options, ARRAY_LENGTH(options), argc, argv);
1169 config.use_pixman = use_pixman;
1170 config.use_gl = use_gl;
1172 config.base.struct_version = WESTON_HEADLESS_BACKEND_CONFIG_VERSION;
1173 config.base.struct_size = sizeof(struct weston_headless_backend_config);
1175 /* load the actual headless-backend and configure it */
1176 ret = weston_compositor_load_backend(c, WESTON_BACKEND_HEADLESS,
1181 ivi->window_api = weston_windowed_output_get_api(c);
1182 if (!ivi->window_api) {
1183 weston_log("Cannot use weston_windowed_output_api.\n");
1187 if (ivi->window_api->create_head(c, "headless") < 0) {
1188 weston_log("Cannot create headless back-end\n");
1196 load_headless_backend(struct ivi_compositor *ivi, int *argc, char **argv)
1203 load_backend(struct ivi_compositor *ivi, const char *backend,
1204 int *argc, char *argv[])
1206 if (strcmp(backend, "drm-backend.so") == 0) {
1207 return load_drm_backend(ivi, argc, argv);
1208 } else if (strcmp(backend, "wayland-backend.so") == 0) {
1209 return load_wayland_backend(ivi, argc, argv);
1210 } else if (strcmp(backend, "x11-backend.so") == 0) {
1211 return load_x11_backend(ivi, argc, argv);
1212 } else if (strcmp(backend, "headless-backend.so") == 0) {
1213 return load_headless_backend(ivi, argc, argv);
1216 weston_log("fatal: unknown backend '%s'.\n", backend);
1221 load_modules(struct ivi_compositor *ivi, const char *modules,
1222 int *argc, char *argv[], bool *xwayland)
1224 const char *p, *end;
1226 int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]);
1228 if (modules == NULL)
1233 end = strchrnul(p, ',');
1234 snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
1236 if (strstr(buffer, "xwayland.so")) {
1237 weston_log("Xwayland plug-in not supported!\n");
1244 if (strstr(buffer, "systemd-notify.so")) {
1245 weston_log("systemd-notify plug-in already loaded!\n");
1252 module_init = weston_load_module(buffer, "wet_module_init");
1256 if (module_init(ivi->compositor, *argc, argv) < 0)
1269 choose_default_backend(void)
1271 char *backend = NULL;
1273 if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
1274 backend = strdup("wayland-backend.so");
1275 else if (getenv("DISPLAY"))
1276 backend = strdup("x11-backend.so");
1278 backend = strdup("drm-backend.so");
1284 compositor_init_config(struct ivi_compositor *ivi)
1286 struct xkb_rule_names xkb_names;
1287 struct weston_config_section *section;
1288 struct weston_compositor *compositor = ivi->compositor;
1289 struct weston_config *config = ivi->config;
1294 /* agl-compositor.ini [keyboard] */
1295 section = weston_config_get_section(config, "keyboard", NULL, NULL);
1296 weston_config_section_get_string(section, "keymap_rules",
1297 (char **) &xkb_names.rules, NULL);
1298 weston_config_section_get_string(section, "keymap_model",
1299 (char **) &xkb_names.model, NULL);
1300 weston_config_section_get_string(section, "keymap_layout",
1301 (char **) &xkb_names.layout, NULL);
1302 weston_config_section_get_string(section, "keymap_variant",
1303 (char **) &xkb_names.variant, NULL);
1304 weston_config_section_get_string(section, "keymap_options",
1305 (char **) &xkb_names.options, NULL);
1307 if (weston_compositor_set_xkb_rule_names(compositor, &xkb_names) < 0)
1310 weston_config_section_get_int(section, "repeat-rate",
1311 &compositor->kb_repeat_rate, 40);
1312 weston_config_section_get_int(section, "repeat-delay",
1313 &compositor->kb_repeat_delay, 400);
1315 weston_config_section_get_bool(section, "vt-switching",
1316 &vt_switching, false);
1317 compositor->vt_switching = vt_switching;
1319 /* agl-compositor.ini [core] */
1320 section = weston_config_get_section(config, "core", NULL, NULL);
1322 weston_config_section_get_bool(section, "disable-cursor",
1323 &ivi->disable_cursor, false);
1324 weston_config_section_get_bool(section, "activate-by-default",
1325 &ivi->activate_by_default, true);
1327 weston_config_section_get_bool(section, "require-input", &require_input, true);
1328 compositor->require_input = require_input;
1330 weston_config_section_get_int(section, "repaint-window", &repaint_msec,
1331 compositor->repaint_msec);
1332 if (repaint_msec < -10 || repaint_msec > 1000) {
1333 weston_log("Invalid repaint_window value in config: %d\n",
1336 compositor->repaint_msec = repaint_msec;
1338 weston_log("Output repaint window is %d ms maximum.\n",
1339 compositor->repaint_msec);
1344 struct ivi_surface *
1345 to_ivi_surface(struct weston_surface *surface)
1347 struct weston_desktop_surface *dsurface;
1349 dsurface = weston_surface_get_desktop_surface(surface);
1353 return weston_desktop_surface_get_user_data(dsurface);
1357 activate_binding(struct weston_seat *seat,
1358 struct weston_view *focus_view, uint32_t flags)
1360 struct weston_surface *focus_surface;
1361 struct weston_surface *main_surface;
1362 struct ivi_surface *ivi_surface;
1363 struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat);
1368 focus_surface = focus_view->surface;
1369 main_surface = weston_surface_get_main_surface(focus_surface);
1371 ivi_surface = to_ivi_surface(main_surface);
1376 ivi_shell_activate_surface(ivi_surface, ivi_seat, flags);
1380 click_to_activate_binding(struct weston_pointer *pointer,
1381 const struct timespec *time,
1382 uint32_t button, void *data)
1384 if (pointer->grab != &pointer->default_grab)
1386 if (pointer->focus == NULL)
1389 activate_binding(pointer->seat, pointer->focus,
1390 WESTON_ACTIVATE_FLAG_CLICKED);
1394 touch_to_activate_binding(struct weston_touch *touch,
1395 const struct timespec *time,
1398 if (touch->grab != &touch->default_grab)
1400 if (touch->focus == NULL)
1403 activate_binding(touch->seat, touch->focus,
1404 WESTON_ACTIVATE_FLAG_NONE);
1408 add_bindings(struct weston_compositor *compositor)
1410 weston_compositor_add_button_binding(compositor, BTN_LEFT, 0,
1411 click_to_activate_binding,
1413 weston_compositor_add_button_binding(compositor, BTN_RIGHT, 0,
1414 click_to_activate_binding,
1416 weston_compositor_add_touch_binding(compositor, 0,
1417 touch_to_activate_binding,
1422 create_listening_socket(struct wl_display *display, const char *socket_name)
1425 if (wl_display_add_socket(display, socket_name)) {
1426 weston_log("fatal: failed to add socket: %s\n",
1431 socket_name = wl_display_add_socket_auto(display);
1433 weston_log("fatal: failed to add socket: %s\n",
1439 setenv("WAYLAND_DISPLAY", socket_name, 1);
1445 global_filter(const struct wl_client *client, const struct wl_global *global,
1452 load_config(struct weston_config **config, bool no_config,
1453 const char *config_file)
1455 const char *file = "agl-compositor.ini";
1456 const char *full_path;
1462 *config = weston_config_parse(file);
1465 full_path = weston_config_get_full_path(*config);
1467 weston_log("Using config file '%s'.\n", full_path);
1468 setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
1473 if (config_file && !no_config) {
1474 weston_log("fatal: error opening or reading config file '%s'.\n",
1480 weston_log("Starting with no config file.\n");
1481 setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
1486 static FILE *logfile;
1489 log_timestamp(char *buf, size_t len)
1492 struct tm *brokendown_time;
1496 gettimeofday(&tv, NULL);
1498 brokendown_time = localtime(&tv.tv_sec);
1499 if (brokendown_time == NULL) {
1500 snprintf(buf, len, "%s", "[(NULL)localtime] ");
1504 memset(datestr, 0, sizeof(datestr));
1505 if (brokendown_time->tm_mday != cached_tm_mday) {
1506 strftime(datestr, sizeof(datestr), "Date: %Y-%m-%d %Z\n",
1508 cached_tm_mday = brokendown_time->tm_mday;
1511 strftime(timestr, sizeof(timestr), "%H:%M:%S", brokendown_time);
1512 /* if datestr is empty it prints only timestr*/
1513 snprintf(buf, len, "%s[%s.%03li]", datestr,
1514 timestr, (tv.tv_usec / 1000));
1520 custom_handler(const char *fmt, va_list arg)
1524 weston_log_scope_printf(log_scope, "%s libwayland: ",
1525 log_timestamp(timestr, sizeof(timestr)));
1526 weston_log_scope_vprintf(log_scope, fmt, arg);
1530 log_file_open(const char *filename)
1532 wl_log_set_handler_server(custom_handler);
1535 logfile = fopen(filename, "a");
1540 os_fd_set_cloexec(fileno(logfile));
1541 setvbuf(logfile, NULL, _IOLBF, 256);
1546 log_file_close(void)
1548 if (logfile && logfile != stderr)
1554 vlog(const char *fmt, va_list ap)
1556 const char *oom = "Out of memory";
1561 if (weston_log_scope_is_enabled(log_scope)) {
1563 char *xlog_timestamp = log_timestamp(timestr, sizeof(timestr));
1564 len_va = vasprintf(&str, fmt, ap);
1566 len = weston_log_scope_printf(log_scope, "%s %s",
1567 xlog_timestamp, str);
1570 len = weston_log_scope_printf(log_scope, "%s %s",
1571 xlog_timestamp, oom);
1580 vlog_continue(const char *fmt, va_list ap)
1582 return weston_log_scope_vprintf(log_scope, fmt, ap);
1586 on_term_signal(int signo, void *data)
1588 struct wl_display *display = data;
1590 weston_log("caught signal %d\n", signo);
1591 wl_display_terminate(display);
1597 handle_exit(struct weston_compositor *compositor)
1599 wl_display_terminate(compositor->wl_display);
1603 usage(int error_code)
1605 FILE *out = error_code == EXIT_SUCCESS ? stdout : stderr;
1607 "Usage: agl-compositor [OPTIONS]\n"
1609 "This is " PACKAGE_STRING ", the reference compositor for\n"
1610 "Automotive Grade Linux. " PACKAGE_STRING " supports multiple "
1611 "backends,\nand depending on which backend is in use different "
1612 "options will be accepted.\n"
1616 " --version\t\tPrint agl-compositor version\n"
1617 " -B, --backend=MODULE\tBackend module, one of\n"
1618 "\t\t\t\tdrm-backend.so\n"
1619 "\t\t\t\twayland-backend.so\n"
1620 "\t\t\t\tx11-backend.so\n"
1621 "\t\t\t\theadless-backend.so\n"
1622 " -S, --socket=NAME\tName of socket to listen on\n"
1623 " --log=FILE\t\tLog to the given file\n"
1624 " -c, --config=FILE\tConfig file to load, defaults to agl-compositor.ini\n"
1625 " --no-config\t\tDo not read agl-compositor.ini\n"
1626 " --debug\t\tEnable debug extension(s)\n"
1627 " -h, --help\t\tThis help message\n"
1633 copy_command_line(int argc, char * const argv[])
1640 fp = open_memstream(&str, &size);
1644 fprintf(fp, "%s", argv[0]);
1645 for (i = 1; i < argc; i++)
1646 fprintf(fp, " %s", argv[i]);
1653 weston_log_setup_scopes(struct weston_log_context *log_ctx,
1654 struct weston_log_subscriber *subscriber,
1660 char *tokenize = strdup(names);
1661 char *token = strtok(tokenize, ",");
1663 weston_log_subscribe(log_ctx, subscriber, token);
1664 token = strtok(NULL, ",");
1670 weston_log_subscribe_to_scopes(struct weston_log_context *log_ctx,
1671 struct weston_log_subscriber *logger,
1672 const char *debug_scopes)
1674 if (logger && debug_scopes)
1675 weston_log_setup_scopes(log_ctx, logger, debug_scopes);
1677 weston_log_subscribe(log_ctx, logger, "log");
1682 int wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data)
1684 struct ivi_compositor ivi = { 0 };
1686 struct wl_display *display = NULL;
1687 struct wl_event_loop *loop;
1688 struct wl_event_source *signals[3] = { 0 };
1689 struct weston_config_section *section;
1690 /* Command line options */
1691 char *backend = NULL;
1692 char *socket_name = NULL;
1694 char *modules = NULL;
1695 char *option_modules = NULL;
1696 char *debug_scopes = NULL;
1701 bool list_debug_scopes = false;
1702 char *config_file = NULL;
1703 struct weston_log_context *log_ctx = NULL;
1704 struct weston_log_subscriber *logger;
1705 int ret = EXIT_FAILURE;
1706 bool xwayland = false;
1707 struct sigaction action;
1709 const struct weston_option core_options[] = {
1710 { WESTON_OPTION_STRING, "backend", 'B', &backend },
1711 { WESTON_OPTION_STRING, "socket", 'S', &socket_name },
1712 { WESTON_OPTION_STRING, "log", 0, &log },
1713 { WESTON_OPTION_BOOLEAN, "help", 'h', &help },
1714 { WESTON_OPTION_BOOLEAN, "version", 0, &version },
1715 { WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
1716 { WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
1717 { WESTON_OPTION_STRING, "config", 'c', &config_file },
1718 { WESTON_OPTION_STRING, "modules", 0, &option_modules },
1719 { WESTON_OPTION_STRING, "debug-scopes", 'l', &debug_scopes },
1720 { WESTON_OPTION_STRING, "list-debug-scopes", 'L', &list_debug_scopes },
1723 wl_list_init(&ivi.outputs);
1724 wl_list_init(&ivi.saved_outputs);
1725 wl_list_init(&ivi.surfaces);
1726 wl_list_init(&ivi.pending_surfaces);
1727 wl_list_init(&ivi.popup_pending_apps);
1728 wl_list_init(&ivi.fullscreen_pending_apps);
1729 wl_list_init(&ivi.split_pending_apps);
1730 wl_list_init(&ivi.remote_pending_apps);
1731 wl_list_init(&ivi.desktop_clients);
1732 wl_list_init(&ivi.child_process_list);
1734 /* Prevent any clients we spawn getting our stdin */
1735 os_fd_set_cloexec(STDIN_FILENO);
1737 cmdline = copy_command_line(argc, argv);
1738 parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
1741 usage(EXIT_SUCCESS);
1744 printf(PACKAGE_STRING "\n");
1749 log_ctx = weston_log_ctx_create();
1751 fprintf(stderr, "Failed to initialize weston debug framework.\n");
1755 log_scope = weston_log_ctx_add_log_scope(log_ctx, "log",
1756 "agl-compositor log\n",
1760 weston_log_set_handler(vlog, vlog_continue);
1762 logger = weston_log_subscriber_create_log(logfile);
1763 weston_log_subscribe_to_scopes(log_ctx, logger, debug_scopes);
1765 weston_log("Command line: %s\n", cmdline);
1768 if (load_config(&ivi.config, no_config, config_file) < 0)
1770 section = weston_config_get_section(ivi.config, "core", NULL, NULL);
1772 weston_config_section_get_string(section, "backend", &backend,
1775 backend = choose_default_backend();
1778 display = wl_display_create();
1779 loop = wl_display_get_event_loop(display);
1781 wl_display_set_global_filter(display,
1782 global_filter, &ivi);
1784 /* Register signal handlers so we shut down cleanly */
1786 signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
1788 signals[1] = wl_event_loop_add_signal(loop, SIGUSR2, on_term_signal,
1790 signals[2] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
1793 /* When debugging the compositor, if use wl_event_loop_add_signal() to
1794 * catch SIGINT, the debugger can't catch it, and attempting to stop
1795 * the compositor from within the debugger results in weston exiting
1798 * Instead, use the sigaction() function, which sets up the signal in a
1799 * way that gdb can successfully catch, but have the handler for SIGINT
1800 * send SIGUSR2 (xwayland uses SIGUSR1), which we catch via
1801 * wl_event_loop_add_signal().
1803 action.sa_handler = sigint_helper;
1804 sigemptyset(&action.sa_mask);
1805 action.sa_flags = 0;
1806 sigaction(SIGINT, &action, NULL);
1808 for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1812 ivi.compositor = weston_compositor_create(display, log_ctx, &ivi, test_data);
1813 if (!ivi.compositor) {
1814 weston_log("fatal: failed to create compositor.\n");
1818 if (compositor_init_config(&ivi) < 0)
1819 goto error_compositor;
1821 if (load_backend(&ivi, backend, &argc, argv) < 0) {
1822 weston_log("fatal: failed to create compositor backend.\n");
1823 goto error_compositor;
1826 ivi.heads_changed.notify = heads_changed;
1827 weston_compositor_add_heads_changed_listener(ivi.compositor,
1828 &ivi.heads_changed);
1830 if (ivi_desktop_init(&ivi) < 0)
1831 goto error_compositor;
1833 ivi_seat_init(&ivi);
1835 /* load additional modules */
1836 weston_config_section_get_string(section, "modules", &modules, "");
1837 if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0)
1838 goto error_compositor;
1840 if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0)
1841 goto error_compositor;
1843 if (ivi_policy_init(&ivi) < 0)
1844 goto error_compositor;
1846 if (ivi_shell_init(&ivi) < 0)
1847 goto error_compositor;
1849 if (list_debug_scopes) {
1850 struct weston_log_scope *nscope = NULL;
1852 weston_log("Printing available debug scopes:\n");
1854 while ((nscope = weston_log_scopes_iterate(ivi.compositor, nscope))) {
1855 weston_log("\tscope name: %s, desc: %s",
1856 weston_log_scope_get_name(nscope),
1857 weston_log_scope_get_description(nscope));
1862 goto error_compositor;
1865 add_bindings(ivi.compositor);
1867 weston_compositor_flush_heads_changed(ivi.compositor);
1869 if (ivi.remoting_api)
1870 ivi_enable_remote_outputs(&ivi);
1872 if (create_listening_socket(display, socket_name) < 0)
1873 goto error_compositor;
1875 ivi_shell_init_black_fs(&ivi);
1877 ivi.compositor->exit = handle_exit;
1879 weston_compositor_wake(ivi.compositor);
1881 ivi_shell_create_global(&ivi);
1883 ivi_launch_shell_client(&ivi, "shell-client",
1884 &ivi.shell_client.client);
1885 ivi_launch_shell_client(&ivi, "shell-client-ext",
1886 &ivi.shell_client_ext.client);
1889 ivi_screenshooter_create(&ivi);
1890 ivi_agl_systemd_notify(&ivi);
1892 wl_display_run(display);
1894 ret = ivi.compositor->exit_code;
1896 wl_display_destroy_clients(display);
1904 weston_compositor_destroy(ivi.compositor);
1906 weston_log_scope_destroy(log_scope);
1909 weston_log_subscriber_destroy(logger);
1910 weston_log_ctx_destroy(log_ctx);
1912 ivi_policy_destroy(ivi.policy);
1915 for (size_t i = 0; i < ARRAY_LENGTH(signals); ++i)
1917 wl_event_source_remove(signals[i]);
1919 wl_display_destroy(display);
1923 weston_config_destroy(ivi.config);
1929 free(option_modules);