/* * Copyright © 2012-2024 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 #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_BACKEND_RDP #include #endif #ifdef HAVE_BACKEND_X11 #include #endif #include #include #include #include #include #include "shared/os-compatibility.h" #include "shared/helpers.h" #include "config.h" #include "agl-shell-server-protocol.h" #ifdef HAVE_REMOTING #include "remote.h" #endif #define WINDOWED_DEFAULT_WIDTH 1024 #define WINDOWED_DEFAULT_HEIGHT 768 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); } struct ivi_output_config * ivi_init_parsed_options(struct weston_compositor *compositor) { struct ivi_compositor *ivi = to_ivi_compositor(compositor); struct ivi_output_config *config; config = zalloc(sizeof *config); if (!config) return NULL; config->width = 0; config->height = 0; config->scale = 0; config->transform = UINT32_MAX; ivi->parsed_options = config; return config; } static void sigint_helper(int sig) { raise(SIGUSR2); } struct { char *name; enum weston_renderer_type renderer; } renderer_name_map[] = { { "auto", WESTON_RENDERER_AUTO }, { "gl", WESTON_RENDERER_GL }, { "noop", WESTON_RENDERER_NOOP }, { "pixman", WESTON_RENDERER_PIXMAN }, }; struct { char *short_name; char *long_name; enum weston_compositor_backend backend; } backend_name_map[] = { { "drm", "drm-backend.so", WESTON_BACKEND_DRM }, { "rdp", "rdp-backend.so", WESTON_BACKEND_RDP }, { "wayland", "wayland-backend.so", WESTON_BACKEND_WAYLAND }, { "x11", "x11-backend.so", WESTON_BACKEND_X11 }, }; bool get_backend_from_string(const char *name, enum weston_compositor_backend *backend) { size_t i; for (i = 0; i < ARRAY_LENGTH(backend_name_map); i++) { if (strcmp(name, backend_name_map[i].short_name) == 0 || strcmp(name, backend_name_map[i].long_name) == 0) { *backend = backend_name_map[i].backend; return true; } } return false; } bool get_renderer_from_string(const char *name, enum weston_renderer_type *renderer) { size_t i; if (!name) name = "auto"; for (i = 0; i < ARRAY_LENGTH(renderer_name_map); i++) { if (strcmp(name, renderer_name_map[i].name) == 0) { *renderer = renderer_name_map[i].renderer; return true; } } return false; } 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 && output->fullscreen_view.fs->view) { weston_surface_unref(output->fullscreen_view.fs->view->surface); weston_buffer_destroy_solid(output->fullscreen_view.buffer_ref); output->fullscreen_view.fs->view = NULL; } ivi_layout_save(output->ivi, output); 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); if (!listener) return NULL; 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_ids != NULL) return; weston_config_section_get_string(ivi_output->config, "agl-shell-app-id", &ivi_output->app_ids, NULL); if (ivi_output->app_ids == NULL) return; weston_log("Will place app_id %s on output %s\n", ivi_output->app_ids, ivi_output->name); } } static struct ivi_output * ivi_ensure_output(struct ivi_compositor *ivi, char *name, struct weston_config_section *config, struct weston_head *head) { 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, head, head->name); if (!output->output) { free(output->name); free(output); return NULL; } /* simple_output_configure might assume we have an ivi_output created * by this point, which we do but we can only link it to a * weston_output through the destroy listener, so install it earlier * before actually running the callback handler */ output->output_destroy.notify = handle_output_destroy; weston_output_add_destroy_listener(output->output, &output->output_destroy); if (ivi->simple_output_configure) { int ret = ivi->simple_output_configure(output->output); if (ret < 0) { weston_log("Configuring output \"%s\" failed.\n", weston_head_get_name(head)); weston_output_destroy(output->output); ivi->init_failed = true; return NULL; } if (weston_output_enable(output->output) < 0) { weston_log("Enabling output \"%s\" failed.\n", weston_head_get_name(head)); weston_output_destroy(output->output); ivi->init_failed = true; return NULL; } } 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 ivi_configure_windowed_output_from_config(struct ivi_output *output, struct ivi_output_config *defaults) { struct ivi_compositor *ivi = output->ivi; struct weston_config_section *section = output->config; int width; int height; int scale; if (section) { char *mode; weston_config_section_get_string(section, "mode", &mode, NULL); if (!mode || sscanf(mode, "%dx%d", &width, &height) != 2) { weston_log("Invalid mode for output %s. Using defaults.\n", output->name); width = defaults->width; height = defaults->height; } free(mode); } else { width = defaults->width; height = defaults->height; } scale = defaults->scale; if (ivi->cmdline.width) width = ivi->cmdline.width; if (ivi->cmdline.height) height = ivi->cmdline.height; if (ivi->cmdline.scale) scale = ivi->cmdline.scale; weston_output_set_scale(output->output, scale); weston_output_set_transform(output->output, defaults->transform); 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; } weston_log("Configured windowed_output_api to %dx%d, scale %d\n", width, height, scale); 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 }, { "rotate-90", WL_OUTPUT_TRANSFORM_90 }, { "rotate-180", WL_OUTPUT_TRANSFORM_180 }, { "rotate-270", WL_OUTPUT_TRANSFORM_270 }, { "flipped", WL_OUTPUT_TRANSFORM_FLIPPED }, { "flipped-rotate-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 }, { "flipped-rotate-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 }, { "flipped-rotate-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 }, }; 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; } int parse_activation_area(const char *geometry, struct ivi_output *output) { int n; unsigned width, height, x, y; n = sscanf(geometry, "%ux%u+%u,%u", &width, &height, &x, &y); if (n != 4) { return -1; } output->area_activation.width = width; output->area_activation.height = height; output->area_activation.x = x; output->area_activation.y = y; return 0; } static int drm_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; 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 *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); weston_config_section_get_string(section, "activation-area", &t, ""); if (parse_activation_area(t, output) < 0) weston_log("Invalid activation-area \"%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 (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; } /* * 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 = 1; 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; } /* Place output exactly to the right of the most recently enabled output. * * Historically, we haven't given much thought to output placement, * simply adding outputs in a horizontal line as they're enabled. This * function simply sets an output's x coordinate to the right of the * most recently enabled output, and its y to zero. * * If you're adding new calls to this function, you're also not giving * much thought to output placement, so please consider carefully if * it's really doing what you want. * * You especially don't want to use this for any code that won't * immediately enable the passed output. */ static void weston_output_lazy_align(struct weston_output *output) { struct weston_compositor *c; struct weston_output *peer; int next_x = 0; /* Put this output to the right of the most recently enabled output */ c = output->compositor; if (!wl_list_empty(&c->output_list)) { peer = container_of(c->output_list.prev, struct weston_output, link); next_x = peer->pos.c.x + peer->width; } output->pos.c.x = next_x; output->pos.c.y = 0; } /* * 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; weston_output_lazy_align(output->output); 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 (drm_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]); ivi_layout_restore(output->ivi, output); 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 drm_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) { if (ivi_output->output) { /* ivi_output->output destruction may be deferred in * some cases (see drm_output_destroy()), so we need to * forcibly trigger the destruction callback now, or * otherwise would later access data that we are about * to free */ struct weston_output *save = ivi_output->output; handle_output_destroy(&ivi_output->output_destroy, save); weston_output_destroy(save); } } wl_list_remove(&ivi_output->link); free(ivi_output->app_ids); free(ivi_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 drm_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, head); if (!output) return; if (output->add_len >= ARRAY_LENGTH(output->add)) return; output->add[output->add_len++] = head; } static void drm_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) drm_head_prepare_enable(ivi, head); else if (!connected && enabled) drm_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; } } } static void simple_head_enable(struct ivi_compositor *ivi, struct weston_head *head) { struct ivi_output *output; struct weston_config_section *section; char *output_name = NULL; const char *name = weston_head_get_name(head); 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, head); if (!output) { weston_log("Failed to create output %s\n", output_name); return; } add_head_destroyed_listener(head); } static void simple_head_disable(struct weston_head *head) { struct weston_output *output; struct wl_listener *listener; listener = weston_head_get_destroy_listener(head, handle_head_destroy); wl_list_empty(&listener->link); output = weston_head_get_output(head); assert(output); weston_output_destroy(output); } static void simple_heads_changed(struct wl_listener *listener, void *arg) { struct weston_compositor *compositor = arg; struct ivi_compositor *ivi = to_ivi_compositor(compositor); struct weston_head *head = NULL; bool connected; bool enabled; bool changed; bool non_desktop; while ((head = weston_compositor_iterate_heads(ivi->compositor, head))) { connected = weston_head_is_connected(head); enabled = weston_head_is_enabled(head); changed = weston_head_is_device_changed(head); non_desktop = weston_head_is_non_desktop(head); if (connected && !enabled && !non_desktop) { simple_head_enable(ivi, head); } else if (!connected && enabled) { simple_head_disable(head); } else if (enabled && changed) { weston_log("Detected a monitor change on head '%s', " "not bothering to do anything about it.\n", weston_head_get_name(head)); } weston_head_reset_device_changed(head); } } #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 ((ret = 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)); if (!ivi_output) { free(_name); continue; } 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 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", LIBWESTON_MODULEDIR); 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[], enum weston_renderer_type renderer) { 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; bool force_pixman = false; bool use_shadow; bool without_input = false; const struct weston_option options[] = { { WESTON_OPTION_STRING, "seat", 0, &config.seat_id }, { WESTON_OPTION_STRING, "drm-device", 0, &config.specific_device }, { WESTON_OPTION_BOOLEAN, "current-mode", 0, &use_current_mode }, { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &force_pixman }, { WESTON_OPTION_BOOLEAN, "continue-without-input", false, &without_input } }; parse_options(options, ARRAY_LENGTH(options), argc, argv); if (force_pixman) config.renderer = WESTON_RENDERER_PIXMAN; else config.renderer = WESTON_RENDERER_AUTO; 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; if (without_input) ivi->compositor->require_input = !without_input; ivi->heads_changed.notify = drm_heads_changed; weston_compositor_add_heads_changed_listener(ivi->compositor, &ivi->heads_changed); if (!weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_DRM, &config.base)) { weston_log("Failed to load DRM backend\n"); return -1; } ivi->drm_api = weston_drm_output_get_api(ivi->compositor); if (!ivi->drm_api) { weston_log("Cannot use drm output api.\n"); goto error; } load_remoting_plugin(ivi, ivi->config); return 0; error: free(config.gbm_format); free(config.seat_id); return -1; } static void windowed_parse_common_options(struct ivi_compositor *ivi, int *argc, char *argv[], bool *force_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, &force_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, false); *output_count = 1; parse_options(options, ARRAY_LENGTH(options), argc, argv); *force_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->backend, 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->backend, default_output) < 0) { free(default_output); return -1; } free(default_output); } return 0; } static int wayland_backend_output_configure(struct weston_output *output) { struct ivi_output *ivi_output = to_ivi_output(output); struct ivi_output_config defaults = { .width = WINDOWED_DEFAULT_WIDTH, .height = WINDOWED_DEFAULT_HEIGHT, .scale = 1, .transform = WL_OUTPUT_TRANSFORM_NORMAL }; if (!ivi_output) { weston_log("Failed to configure and enable Wayland output. No ivi-output available!\n"); return -1; } return ivi_configure_windowed_output_from_config(to_ivi_output(output), &defaults); } static int load_wayland_backend(struct ivi_compositor *ivi, int *argc, char *argv[], enum weston_renderer_type renderer) { 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; bool force_pixman = false; 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, &force_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); ivi->simple_output_configure = wayland_backend_output_configure; ivi->heads_changed.notify = simple_heads_changed; weston_compositor_add_heads_changed_listener(ivi->compositor, &ivi->heads_changed); ivi->backend = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_WAYLAND, &config.base); if (!ivi->backend) { weston_log("Failed to create Wayland backend!\n"); } free(config.cursor_theme); free(config.display_name); if (!ivi->backend) return -1; 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 x11_backend_output_configure(struct weston_output *output) { struct ivi_output *ivi_output = to_ivi_output(output); struct ivi_output_config defaults = { .width = WINDOWED_DEFAULT_WIDTH, .height = WINDOWED_DEFAULT_HEIGHT, .scale = 1, .transform = WL_OUTPUT_TRANSFORM_NORMAL }; if (!ivi_output) { weston_log("Failed to configure and enable X11 output. No ivi-output available!\n"); return -1; } return ivi_configure_windowed_output_from_config(ivi_output, &defaults); } static int load_x11_backend(struct ivi_compositor *ivi, int *argc, char *argv[], enum weston_renderer_type renderer) { 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; bool force_pixman = false; const struct weston_option options[] = { { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input }, }; windowed_parse_common_options(ivi, argc, argv, &force_pixman, &config.fullscreen, &output_count); parse_options(options, ARRAY_LENGTH(options), argc, argv); if (force_pixman) config.renderer = WESTON_RENDERER_PIXMAN; else config.renderer = WESTON_RENDERER_AUTO; config.no_input = no_input; ivi->simple_output_configure = x11_backend_output_configure; ivi->heads_changed.notify = simple_heads_changed; weston_compositor_add_heads_changed_listener(ivi->compositor, &ivi->heads_changed); ivi->backend = weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_X11, &config.base); if (!ivi->backend) { weston_log("Failed to create X11 backend!\n"); return -1; } 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, enum weston_renderer_type renderer) { return -1; } #endif #ifdef HAVE_BACKEND_RDP static void weston_rdp_backend_config_init(struct weston_rdp_backend_config *config) { config->base.struct_version = WESTON_RDP_BACKEND_CONFIG_VERSION; config->base.struct_size = sizeof(struct weston_rdp_backend_config); config->renderer = WESTON_RENDERER_AUTO; config->bind_address = NULL; config->port = 3389; config->rdp_key = NULL; config->server_cert = NULL; config->server_key = NULL; config->env_socket = 0; config->external_listener_fd = -1; config->no_clients_resize = 0; config->force_no_compression = 0; config->remotefx_codec = true; config->refresh_rate = RDP_DEFAULT_FREQ; } static int rdp_backend_output_configure(struct weston_output *output) { struct ivi_compositor *ivi = to_ivi_compositor(output->compositor); struct ivi_output_config *parsed_options = ivi->parsed_options; const struct weston_rdp_output_api *api = weston_rdp_output_get_api(output->compositor); int width = 640; int height = 480; struct weston_config_section *section; uint32_t transform = WL_OUTPUT_TRANSFORM_NORMAL; char *transform_string; struct weston_mode new_mode = {}; assert(parsed_options); if (!api) { weston_log("Cannot use weston_rdp_output_api.\n"); return -1; } section = weston_config_get_section(ivi->config, "rdp", NULL, NULL); if (parsed_options->width) width = parsed_options->width; if (parsed_options->height) height = parsed_options->height; weston_output_set_scale(output, 1); weston_config_section_get_int(section, "width", &width, width); weston_config_section_get_int(section, "height", &height, height); if (parsed_options->transform) transform = parsed_options->transform; weston_config_section_get_string(section, "transform", &transform_string, "normal"); if (parse_transform(transform_string, &transform) < 0) { weston_log("Invalid transform \"%s\" for output %s\n", transform_string, output->name); return -1; } new_mode.width = width; new_mode.height = height; weston_log("Setting modeline to %dx%d\n", width, height); api->output_set_mode(output, &new_mode); weston_output_set_transform(output, transform); return 0; } static int load_rdp_backend(struct ivi_compositor *ivi, int *argc, char **argv, enum weston_renderer_type renderer) { struct weston_rdp_backend_config config = {}; struct weston_config_section *section; bool no_remotefx_codec = false; struct ivi_output_config *parsed_options = ivi_init_parsed_options(ivi->compositor); if (!parsed_options) return -1; weston_rdp_backend_config_init(&config); const struct weston_option rdp_options[] = { { WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket }, { WESTON_OPTION_INTEGER, "external-listener-fd", 0, &config.external_listener_fd }, { WESTON_OPTION_INTEGER, "width", 0, &parsed_options->width }, { WESTON_OPTION_INTEGER, "height", 0, &parsed_options->height }, { WESTON_OPTION_STRING, "address", 0, &config.bind_address }, { WESTON_OPTION_INTEGER, "port", 0, &config.port }, { WESTON_OPTION_BOOLEAN, "no-clients-resize", 0, &config.no_clients_resize }, { WESTON_OPTION_STRING, "rdp4-key", 0, &config.rdp_key }, { WESTON_OPTION_STRING, "rdp-tls-cert", 0, &config.server_cert }, { WESTON_OPTION_STRING, "rdp-tls-key", 0, &config.server_key }, { WESTON_OPTION_INTEGER, "scale", 0, &parsed_options->scale }, { WESTON_OPTION_BOOLEAN, "force-no-compression", 0, &config.force_no_compression }, { WESTON_OPTION_BOOLEAN, "no-remotefx-codec", 0, &no_remotefx_codec }, }; config.remotefx_codec = !no_remotefx_codec; config.renderer = renderer; section = weston_config_get_section(ivi->config, "rdp", NULL, NULL); weston_config_section_get_int(section, "refresh-rate", &config.refresh_rate, RDP_DEFAULT_FREQ); weston_config_section_get_string(section, "tls-cert", &config.server_cert, config.server_cert); weston_config_section_get_string(section, "tls-key", &config.server_key, config.server_key); parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv); weston_log("No clients resize: %d\n", config.no_clients_resize); ivi->simple_output_configure = rdp_backend_output_configure; ivi->heads_changed.notify = simple_heads_changed; weston_compositor_add_heads_changed_listener(ivi->compositor, &ivi->heads_changed); if (!weston_compositor_load_backend(ivi->compositor, WESTON_BACKEND_RDP, &config.base)) { weston_log("Failed to create RDP backend\n"); return -1; } free(config.bind_address); free(config.rdp_key); free(config.server_cert); free(config.server_key); return 0; } #else static int load_rdp_backend(struct ivi_compositor *ivi, int *argc, char **argv, enum weston_renderer_type renderer) { return -1; } #endif static int load_backend(struct ivi_compositor *ivi, int *argc, char **argv, const char *backend_name, const char *renderer_name) { enum weston_compositor_backend backend; enum weston_renderer_type renderer; if (!get_backend_from_string(backend_name, &backend)) { weston_log("Error: unknown backend \"%s\"\n", backend_name); return -1; } if (!get_renderer_from_string(renderer_name, &renderer)) { weston_log("Error: unknown renderer \"%s\"\n", renderer_name); return -1; } switch (backend) { case WESTON_BACKEND_DRM: return load_drm_backend(ivi, argc, argv, renderer); case WESTON_BACKEND_RDP: return load_rdp_backend(ivi, argc, argv, renderer); case WESTON_BACKEND_WAYLAND: return load_wayland_backend(ivi, argc, argv, renderer); case WESTON_BACKEND_X11: return load_x11_backend(ivi, argc, argv, renderer); default: assert(!"unknown backend type in load_backend()"); } return 0; } static int load_modules(struct ivi_compositor *ivi, const char *modules, int *argc, char *argv[], bool *xwayland) { const char *p, *end; char buffer[256]; int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]); if (modules == NULL) return 0; p = modules; while (*p) { end = strchrnul(p, ','); snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p); if (strstr(buffer, "xwayland.so")) { *xwayland = true; } else if (strstr(buffer, "systemd-notify.so")) { weston_log("systemd-notify plug-in already loaded!\n"); } else { module_init = weston_load_module(buffer, "wet_module_init", WESTON_MODULEDIR); if (!module_init) return -1; if (module_init(ivi->compositor, *argc, argv) < 0) return -1; } p = end; while (*p == ',') p++; } return 0; } 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 ivi_compositor *ivi) { struct xkb_rule_names xkb_names; struct weston_config_section *section; struct weston_compositor *compositor = ivi->compositor; struct weston_config *config = ivi->config; 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, "disable-cursor", &ivi->disable_cursor, false); weston_config_section_get_bool(section, "activate-by-default", &ivi->activate_by_default, true); 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, uint32_t flags) { struct weston_surface *focus_surface; struct weston_surface *main_surface; struct ivi_surface *ivi_surface; struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat); if (!focus_view) return; focus_surface = focus_view->surface; main_surface = weston_surface_get_main_surface(focus_surface); ivi_surface = to_ivi_surface(main_surface); if (!ivi_surface) return; if (ivi_seat) ivi_shell_activate_surface(ivi_surface, ivi_seat, flags); } 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, WESTON_ACTIVATE_FLAG_CLICKED); } 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, WESTON_ACTIVATE_FLAG_NONE); } 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. " PACKAGE_STRING " supports multiple " "backends,\nand depending 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" "\t\t\t\theadless-backend.so\n" " -r, --renderer=NAME\tName of renderer to use: auto, gl, noop, pixman\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); } static char * copy_command_line(int argc, char * const argv[]) { FILE *fp; char *str = NULL; size_t size = 0; int i; fp = open_memstream(&str, &size); if (!fp) return NULL; fprintf(fp, "%s", argv[0]); for (i = 1; i < argc; i++) fprintf(fp, " %s", argv[i]); fclose(fp); return str; } #if !defined(BUILD_XWAYLAND) void * wet_load_xwayland(struct weston_compositor *comp) { weston_log("Attempted to load xwayland library but compositor " "was *not* built with xwayland support!\n"); return NULL; } #endif static void weston_log_setup_scopes(struct weston_log_context *log_ctx, struct weston_log_subscriber *subscriber, const char *names) { assert(log_ctx); assert(subscriber); char *tokenize = strdup(names); char *token = strtok(tokenize, ","); while (token) { weston_log_subscribe(log_ctx, subscriber, token); token = strtok(NULL, ","); } free(tokenize); } static void weston_log_subscribe_to_scopes(struct weston_log_context *log_ctx, struct weston_log_subscriber *logger, const char *debug_scopes) { if (logger && debug_scopes) weston_log_setup_scopes(log_ctx, logger, debug_scopes); else weston_log_subscribe(log_ctx, logger, "log"); } WL_EXPORT int wet_main(int argc, char *argv[], const struct weston_testsuite_data *test_data) { struct ivi_compositor ivi = { 0 }; char *cmdline; 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; char *modules = NULL; char *option_modules = NULL; char *debug_scopes = NULL; int help = 0; int version = 0; int no_config = 0; int debug = 0; bool list_debug_scopes = false; char *config_file = NULL; struct weston_log_context *log_ctx = NULL; struct weston_log_subscriber *logger; int ret = EXIT_FAILURE; bool xwayland = false; struct sigaction action; char *renderer = NULL; const struct weston_option core_options[] = { { WESTON_OPTION_STRING, "renderer", 'r', &renderer }, { 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 }, { WESTON_OPTION_STRING, "modules", 0, &option_modules }, { WESTON_OPTION_STRING, "debug-scopes", 'l', &debug_scopes }, { WESTON_OPTION_STRING, "list-debug-scopes", 'L', &list_debug_scopes }, }; wl_list_init(&ivi.outputs); wl_list_init(&ivi.saved_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); wl_list_init(&ivi.child_process_list); wl_list_init(&ivi.pending_apps); /* Prevent any clients we spawn getting our stdin */ os_fd_set_cloexec(STDIN_FILENO); cmdline = copy_command_line(argc, argv); parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv); if (help) usage(EXIT_SUCCESS); if (version) { printf(PACKAGE_STRING "\n"); ret = EXIT_SUCCESS; goto exit_signals; } log_ctx = weston_log_ctx_create(); if (!log_ctx) { fprintf(stderr, "Failed to initialize weston debug framework.\n"); goto exit_signals; } log_scope = weston_log_ctx_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_to_scopes(log_ctx, logger, debug_scopes); weston_log("Command line: %s\n", cmdline); free(cmdline); 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(); } 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, SIGUSR2, on_term_signal, display); signals[2] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler, display); /* When debugging the compositor, if use wl_event_loop_add_signal() to * catch SIGINT, the debugger can't catch it, and attempting to stop * the compositor from within the debugger results in weston exiting * cleanly. * * Instead, use the sigaction() function, which sets up the signal in a * way that gdb can successfully catch, but have the handler for SIGINT * send SIGUSR2 (xwayland uses SIGUSR1), which we catch via * wl_event_loop_add_signal(). */ action.sa_handler = sigint_helper; sigemptyset(&action.sa_mask); action.sa_flags = 0; sigaction(SIGINT, &action, NULL); 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, test_data); if (!ivi.compositor) { weston_log("fatal: failed to create compositor.\n"); goto error_signals; } if (compositor_init_config(&ivi) < 0) goto error_compositor; if (load_backend(&ivi, &argc, argv, backend, renderer) < 0) { weston_log("fatal: failed to create compositor backend.\n"); goto error_compositor; } if (weston_compositor_backends_loaded(ivi.compositor) < 0) goto error_compositor; weston_compositor_flush_heads_changed(ivi.compositor); if (ivi_desktop_init(&ivi) < 0) goto error_compositor; ivi_seat_init(&ivi); /* load additional modules */ weston_config_section_get_string(section, "modules", &modules, ""); if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0) goto error_compositor; if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0) goto error_compositor; if (!xwayland) { weston_config_section_get_bool(section, "xwayland", &xwayland, false); } if (ivi_shell_init(&ivi) < 0) goto error_compositor; if (xwayland) { if (!wet_load_xwayland(ivi.compositor)) goto error_compositor; } if (ivi_policy_init(&ivi) < 0) goto error_compositor; if (list_debug_scopes) { struct weston_log_scope *nscope = NULL; weston_log("Printing available debug scopes:\n"); while ((nscope = weston_log_scopes_iterate(log_ctx, nscope))) { weston_log("\tscope name: %s, desc: %s", weston_log_scope_get_name(nscope), weston_log_scope_get_description(nscope)); } weston_log("\n"); goto error_compositor; } add_bindings(ivi.compositor); if (ivi.remoting_api) ivi_enable_remote_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, "shell-client", &ivi.shell_client.client); ivi_launch_shell_client(&ivi, "shell-client-ext", &ivi.shell_client_ext.client); 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: free(backend); backend = NULL; free(modules); modules = NULL; weston_compositor_destroy(ivi.compositor); weston_log_scope_destroy(log_scope); log_scope = NULL; weston_log_subscriber_destroy(logger); weston_log_ctx_destroy(log_ctx); 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); exit_signals: free(log); free(config_file); free(socket_name); free(option_modules); return ret; }