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428 lines
15 KiB
428 lines
15 KiB
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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#include <wlr/backend/headless.h>
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#include <wlr/backend/multi.h>
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#include <wlr/config.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_content_type_v1.h>
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#include <wlr/types/wlr_cursor_shape_v1.h>
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#include <wlr/types/wlr_data_control_v1.h>
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#include <wlr/types/wlr_export_dmabuf_v1.h>
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#include <wlr/types/wlr_fractional_scale_v1.h>
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#include <wlr/types/wlr_gamma_control_v1.h>
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#include <wlr/types/wlr_idle_notify_v1.h>
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#include <wlr/types/wlr_layer_shell_v1.h>
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#include <wlr/types/wlr_linux_dmabuf_v1.h>
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#include <wlr/types/wlr_pointer_constraints_v1.h>
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#include <wlr/types/wlr_primary_selection_v1.h>
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#include <wlr/types/wlr_relative_pointer_v1.h>
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#include <wlr/types/wlr_screencopy_v1.h>
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#include <wlr/types/wlr_security_context_v1.h>
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#include <wlr/types/wlr_server_decoration.h>
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#include <wlr/types/wlr_single_pixel_buffer_v1.h>
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#include <wlr/types/wlr_subcompositor.h>
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#include <wlr/types/wlr_tablet_v2.h>
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#include <wlr/types/wlr_viewporter.h>
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#include <wlr/types/wlr_xcursor_manager.h>
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#include <wlr/types/wlr_xdg_activation_v1.h>
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#include <wlr/types/wlr_xdg_decoration_v1.h>
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#include <wlr/types/wlr_xdg_foreign_registry.h>
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#include <wlr/types/wlr_xdg_foreign_v1.h>
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#include <wlr/types/wlr_xdg_foreign_v2.h>
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#include <wlr/types/wlr_xdg_output_v1.h>
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#include <xf86drm.h>
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#include "config.h"
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#include "list.h"
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#include "log.h"
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#include "sway/config.h"
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#include "sway/desktop/idle_inhibit_v1.h"
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#include "sway/input/input-manager.h"
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#include "sway/output.h"
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#include "sway/server.h"
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#include "sway/input/cursor.h"
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#include "sway/tree/root.h"
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#if HAVE_XWAYLAND
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#include <wlr/xwayland/shell.h>
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#include "sway/xwayland.h"
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#endif
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#if WLR_HAS_DRM_BACKEND
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#include <wlr/types/wlr_drm_lease_v1.h>
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#endif
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#define SWAY_XDG_SHELL_VERSION 2
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#define SWAY_LAYER_SHELL_VERSION 4
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bool allow_unsupported_gpu = false;
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#if WLR_HAS_DRM_BACKEND
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static void handle_drm_lease_request(struct wl_listener *listener, void *data) {
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/* We only offer non-desktop outputs, but in the future we might want to do
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* more logic here. */
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struct wlr_drm_lease_request_v1 *req = data;
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struct wlr_drm_lease_v1 *lease = wlr_drm_lease_request_v1_grant(req);
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if (!lease) {
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sway_log(SWAY_ERROR, "Failed to grant lease request");
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wlr_drm_lease_request_v1_reject(req);
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}
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}
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#endif
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static bool is_privileged(const struct wl_global *global) {
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return
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global == server.output_manager_v1->global ||
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global == server.output_power_manager_v1->global ||
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global == server.input_method->global ||
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global == server.foreign_toplevel_manager->global ||
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global == server.data_control_manager_v1->global ||
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global == server.screencopy_manager_v1->global ||
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global == server.export_dmabuf_manager_v1->global ||
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global == server.security_context_manager_v1->global ||
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global == server.gamma_control_manager_v1->global ||
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global == server.layer_shell->global ||
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global == server.session_lock.manager->global ||
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global == server.input->keyboard_shortcuts_inhibit->global ||
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global == server.input->virtual_keyboard->global ||
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global == server.input->virtual_pointer->global;
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}
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static bool filter_global(const struct wl_client *client,
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const struct wl_global *global, void *data) {
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#if HAVE_XWAYLAND
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struct wlr_xwayland *xwayland = server.xwayland.wlr_xwayland;
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if (xwayland && global == xwayland->shell_v1->global) {
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return xwayland->server != NULL && client == xwayland->server->client;
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}
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#endif
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// Restrict usage of privileged protocols to unsandboxed clients
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// TODO: add a way for users to configure an allow-list
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const struct wlr_security_context_v1_state *security_context =
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wlr_security_context_manager_v1_lookup_client(
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server.security_context_manager_v1, (struct wl_client *)client);
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if (is_privileged(global)) {
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return security_context == NULL;
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}
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return true;
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}
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static void detect_proprietary(struct wlr_backend *backend, void *data) {
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int drm_fd = wlr_backend_get_drm_fd(backend);
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if (drm_fd < 0) {
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return;
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}
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drmVersion *version = drmGetVersion(drm_fd);
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if (version == NULL) {
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sway_log(SWAY_ERROR, "drmGetVersion() failed");
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return;
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}
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bool is_unsupported = false;
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if (strcmp(version->name, "nvidia-drm") == 0) {
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is_unsupported = true;
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sway_log(SWAY_ERROR, "!!! Proprietary Nvidia drivers are in use !!!");
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if (!allow_unsupported_gpu) {
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sway_log(SWAY_ERROR, "Use Nouveau instead");
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}
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}
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if (strcmp(version->name, "evdi") == 0) {
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is_unsupported = true;
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sway_log(SWAY_ERROR, "!!! Proprietary DisplayLink drivers are in use !!!");
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}
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if (!allow_unsupported_gpu && is_unsupported) {
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sway_log(SWAY_ERROR,
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"Proprietary drivers are NOT supported. To launch sway anyway, "
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"launch with --unsupported-gpu and DO NOT report issues.");
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exit(EXIT_FAILURE);
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}
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drmFreeVersion(version);
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}
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bool server_init(struct sway_server *server) {
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sway_log(SWAY_DEBUG, "Initializing Wayland server");
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server->wl_display = wl_display_create();
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server->wl_event_loop = wl_display_get_event_loop(server->wl_display);
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wl_display_set_global_filter(server->wl_display, filter_global, NULL);
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root = root_create(server->wl_display);
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server->backend = wlr_backend_autocreate(server->wl_display, &server->session);
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if (!server->backend) {
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sway_log(SWAY_ERROR, "Unable to create backend");
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return false;
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}
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wlr_multi_for_each_backend(server->backend, detect_proprietary, NULL);
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server->renderer = wlr_renderer_autocreate(server->backend);
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if (!server->renderer) {
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sway_log(SWAY_ERROR, "Failed to create renderer");
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return false;
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}
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wlr_renderer_init_wl_shm(server->renderer, server->wl_display);
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if (wlr_renderer_get_dmabuf_texture_formats(server->renderer) != NULL) {
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server->linux_dmabuf_v1 = wlr_linux_dmabuf_v1_create_with_renderer(
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server->wl_display, 4, server->renderer);
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}
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server->allocator = wlr_allocator_autocreate(server->backend,
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server->renderer);
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if (!server->allocator) {
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sway_log(SWAY_ERROR, "Failed to create allocator");
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return false;
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}
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server->compositor = wlr_compositor_create(server->wl_display, 6,
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server->renderer);
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server->compositor_new_surface.notify = handle_compositor_new_surface;
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wl_signal_add(&server->compositor->events.new_surface,
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&server->compositor_new_surface);
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wlr_subcompositor_create(server->wl_display);
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server->data_device_manager =
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wlr_data_device_manager_create(server->wl_display);
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server->gamma_control_manager_v1 =
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wlr_gamma_control_manager_v1_create(server->wl_display);
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server->gamma_control_set_gamma.notify = handle_gamma_control_set_gamma;
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wl_signal_add(&server->gamma_control_manager_v1->events.set_gamma,
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&server->gamma_control_set_gamma);
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server->new_output.notify = handle_new_output;
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wl_signal_add(&server->backend->events.new_output, &server->new_output);
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server->output_layout_change.notify = handle_output_layout_change;
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wl_signal_add(&root->output_layout->events.change,
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&server->output_layout_change);
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wlr_xdg_output_manager_v1_create(server->wl_display, root->output_layout);
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server->idle_notifier_v1 = wlr_idle_notifier_v1_create(server->wl_display);
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sway_idle_inhibit_manager_v1_init();
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server->layer_shell = wlr_layer_shell_v1_create(server->wl_display,
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SWAY_LAYER_SHELL_VERSION);
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wl_signal_add(&server->layer_shell->events.new_surface,
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&server->layer_shell_surface);
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server->layer_shell_surface.notify = handle_layer_shell_surface;
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server->xdg_shell = wlr_xdg_shell_create(server->wl_display,
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SWAY_XDG_SHELL_VERSION);
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wl_signal_add(&server->xdg_shell->events.new_toplevel,
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&server->xdg_shell_toplevel);
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server->xdg_shell_toplevel.notify = handle_xdg_shell_toplevel;
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server->tablet_v2 = wlr_tablet_v2_create(server->wl_display);
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server->server_decoration_manager =
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wlr_server_decoration_manager_create(server->wl_display);
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wlr_server_decoration_manager_set_default_mode(
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server->server_decoration_manager,
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WLR_SERVER_DECORATION_MANAGER_MODE_SERVER);
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wl_signal_add(&server->server_decoration_manager->events.new_decoration,
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&server->server_decoration);
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server->server_decoration.notify = handle_server_decoration;
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wl_list_init(&server->decorations);
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server->xdg_decoration_manager =
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wlr_xdg_decoration_manager_v1_create(server->wl_display);
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wl_signal_add(
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&server->xdg_decoration_manager->events.new_toplevel_decoration,
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&server->xdg_decoration);
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server->xdg_decoration.notify = handle_xdg_decoration;
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wl_list_init(&server->xdg_decorations);
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server->relative_pointer_manager =
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wlr_relative_pointer_manager_v1_create(server->wl_display);
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server->pointer_constraints =
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wlr_pointer_constraints_v1_create(server->wl_display);
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server->pointer_constraint.notify = handle_pointer_constraint;
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wl_signal_add(&server->pointer_constraints->events.new_constraint,
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&server->pointer_constraint);
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wlr_presentation_create(server->wl_display, server->backend);
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server->output_manager_v1 =
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wlr_output_manager_v1_create(server->wl_display);
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server->output_manager_apply.notify = handle_output_manager_apply;
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wl_signal_add(&server->output_manager_v1->events.apply,
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&server->output_manager_apply);
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server->output_manager_test.notify = handle_output_manager_test;
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wl_signal_add(&server->output_manager_v1->events.test,
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&server->output_manager_test);
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server->output_power_manager_v1 =
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wlr_output_power_manager_v1_create(server->wl_display);
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server->output_power_manager_set_mode.notify =
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handle_output_power_manager_set_mode;
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wl_signal_add(&server->output_power_manager_v1->events.set_mode,
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&server->output_power_manager_set_mode);
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server->input_method = wlr_input_method_manager_v2_create(server->wl_display);
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server->text_input = wlr_text_input_manager_v3_create(server->wl_display);
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server->foreign_toplevel_manager =
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wlr_foreign_toplevel_manager_v1_create(server->wl_display);
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sway_session_lock_init();
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#if WLR_HAS_DRM_BACKEND
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server->drm_lease_manager=
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wlr_drm_lease_v1_manager_create(server->wl_display, server->backend);
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if (server->drm_lease_manager) {
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server->drm_lease_request.notify = handle_drm_lease_request;
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wl_signal_add(&server->drm_lease_manager->events.request,
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&server->drm_lease_request);
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} else {
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sway_log(SWAY_DEBUG, "Failed to create wlr_drm_lease_device_v1");
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sway_log(SWAY_INFO, "VR will not be available");
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}
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#endif
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server->export_dmabuf_manager_v1 = wlr_export_dmabuf_manager_v1_create(server->wl_display);
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server->screencopy_manager_v1 = wlr_screencopy_manager_v1_create(server->wl_display);
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server->data_control_manager_v1 = wlr_data_control_manager_v1_create(server->wl_display);
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server->security_context_manager_v1 = wlr_security_context_manager_v1_create(server->wl_display);
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wlr_viewporter_create(server->wl_display);
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wlr_single_pixel_buffer_manager_v1_create(server->wl_display);
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server->content_type_manager_v1 =
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wlr_content_type_manager_v1_create(server->wl_display, 1);
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wlr_fractional_scale_manager_v1_create(server->wl_display, 1);
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struct wlr_xdg_foreign_registry *foreign_registry =
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wlr_xdg_foreign_registry_create(server->wl_display);
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wlr_xdg_foreign_v1_create(server->wl_display, foreign_registry);
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wlr_xdg_foreign_v2_create(server->wl_display, foreign_registry);
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server->xdg_activation_v1 = wlr_xdg_activation_v1_create(server->wl_display);
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server->xdg_activation_v1_request_activate.notify =
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xdg_activation_v1_handle_request_activate;
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wl_signal_add(&server->xdg_activation_v1->events.request_activate,
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&server->xdg_activation_v1_request_activate);
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server->xdg_activation_v1_new_token.notify =
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xdg_activation_v1_handle_new_token;
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wl_signal_add(&server->xdg_activation_v1->events.new_token,
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&server->xdg_activation_v1_new_token);
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struct wlr_cursor_shape_manager_v1 *cursor_shape_manager =
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wlr_cursor_shape_manager_v1_create(server->wl_display, 1);
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server->request_set_cursor_shape.notify = handle_request_set_cursor_shape;
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wl_signal_add(&cursor_shape_manager->events.request_set_shape, &server->request_set_cursor_shape);
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wl_list_init(&server->pending_launcher_ctxs);
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// Avoid using "wayland-0" as display socket
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char name_candidate[16];
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for (unsigned int i = 1; i <= 32; ++i) {
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snprintf(name_candidate, sizeof(name_candidate), "wayland-%u", i);
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if (wl_display_add_socket(server->wl_display, name_candidate) >= 0) {
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server->socket = strdup(name_candidate);
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break;
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}
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}
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if (!server->socket) {
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sway_log(SWAY_ERROR, "Unable to open wayland socket");
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wlr_backend_destroy(server->backend);
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return false;
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}
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server->headless_backend = wlr_headless_backend_create(server->wl_display);
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if (!server->headless_backend) {
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sway_log(SWAY_ERROR, "Failed to create secondary headless backend");
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wlr_backend_destroy(server->backend);
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return false;
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} else {
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wlr_multi_backend_add(server->backend, server->headless_backend);
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}
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struct wlr_output *wlr_output =
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wlr_headless_add_output(server->headless_backend, 800, 600);
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wlr_output_set_name(wlr_output, "FALLBACK");
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root->fallback_output = output_create(wlr_output);
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// This may have been set already via -Dtxn-timeout
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if (!server->txn_timeout_ms) {
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server->txn_timeout_ms = 200;
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}
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server->dirty_nodes = create_list();
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server->input = input_manager_create(server);
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input_manager_get_default_seat(); // create seat0
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return true;
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}
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void server_fini(struct sway_server *server) {
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// TODO: free sway-specific resources
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#if HAVE_XWAYLAND
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wlr_xwayland_destroy(server->xwayland.wlr_xwayland);
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#endif
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wl_display_destroy_clients(server->wl_display);
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wl_display_destroy(server->wl_display);
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list_free(server->dirty_nodes);
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}
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bool server_start(struct sway_server *server) {
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#if HAVE_XWAYLAND
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if (config->xwayland != XWAYLAND_MODE_DISABLED) {
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sway_log(SWAY_DEBUG, "Initializing Xwayland (lazy=%d)",
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config->xwayland == XWAYLAND_MODE_LAZY);
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server->xwayland.wlr_xwayland =
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wlr_xwayland_create(server->wl_display, server->compositor,
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config->xwayland == XWAYLAND_MODE_LAZY);
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if (!server->xwayland.wlr_xwayland) {
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sway_log(SWAY_ERROR, "Failed to start Xwayland");
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unsetenv("DISPLAY");
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} else {
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wl_signal_add(&server->xwayland.wlr_xwayland->events.new_surface,
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&server->xwayland_surface);
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server->xwayland_surface.notify = handle_xwayland_surface;
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wl_signal_add(&server->xwayland.wlr_xwayland->events.ready,
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&server->xwayland_ready);
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server->xwayland_ready.notify = handle_xwayland_ready;
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setenv("DISPLAY", server->xwayland.wlr_xwayland->display_name, true);
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/* xcursor configured by the default seat */
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}
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}
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#endif
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if (config->primary_selection) {
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wlr_primary_selection_v1_device_manager_create(server->wl_display);
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}
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sway_log(SWAY_INFO, "Starting backend on wayland display '%s'",
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server->socket);
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if (!wlr_backend_start(server->backend)) {
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sway_log(SWAY_ERROR, "Failed to start backend");
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wlr_backend_destroy(server->backend);
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return false;
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}
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return true;
|
|
}
|
|
|
|
void server_run(struct sway_server *server) {
|
|
sway_log(SWAY_INFO, "Running compositor on wayland display '%s'",
|
|
server->socket);
|
|
wl_display_run(server->wl_display);
|
|
}
|