mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-29 04:49:49 +01:00
d8ca494558
This helper is responsible for listening for new DRM devices and create new child DRM backends as necessary.
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
#include <wlr/util/log.h>
|
|
#include <stdlib.h>
|
|
#include "backend/drm/monitor.h"
|
|
#include "backend/multi.h"
|
|
#include "backend/session/session.h"
|
|
|
|
static void drm_backend_monitor_destroy(struct wlr_drm_backend_monitor* monitor) {
|
|
wl_list_remove(&monitor->session_add_drm_card.link);
|
|
wl_list_remove(&monitor->session_destroy.link);
|
|
wl_list_remove(&monitor->primary_drm_destroy.link);
|
|
wl_list_remove(&monitor->multi_destroy.link);
|
|
free(monitor);
|
|
}
|
|
|
|
static void handle_add_drm_card(struct wl_listener *listener, void *data) {
|
|
struct wlr_session_add_event *event = data;
|
|
struct wlr_drm_backend_monitor *backend_monitor =
|
|
wl_container_of(listener, backend_monitor, session_add_drm_card);
|
|
|
|
struct wlr_device *dev =
|
|
session_open_if_kms(backend_monitor->session, event->path);
|
|
if (!dev) {
|
|
wlr_log(WLR_ERROR, "Unable to open %s as DRM device", event->path);
|
|
return;
|
|
}
|
|
|
|
wlr_log(WLR_DEBUG, "Creating DRM backend for %s after hotplug", event->path);
|
|
struct wlr_backend *child_drm = wlr_drm_backend_create(
|
|
backend_monitor->session->display, backend_monitor->session,
|
|
dev, backend_monitor->primary_drm);
|
|
if (!child_drm) {
|
|
wlr_log(WLR_ERROR, "Failed to create DRM backend after hotplug");
|
|
return;
|
|
}
|
|
|
|
if (!wlr_multi_backend_add(backend_monitor->multi, child_drm)) {
|
|
wlr_log(WLR_ERROR, "Failed to add new drm backend to multi backend");
|
|
wlr_backend_destroy(child_drm);
|
|
return;
|
|
}
|
|
|
|
if (!wlr_backend_start(child_drm)) {
|
|
wlr_log(WLR_ERROR, "Failed to start new child DRM backend");
|
|
wlr_backend_destroy(child_drm);
|
|
}
|
|
}
|
|
|
|
static void handle_session_destroy(struct wl_listener *listener, void *data) {
|
|
struct wlr_drm_backend_monitor *backend_monitor =
|
|
wl_container_of(listener, backend_monitor, session_destroy);
|
|
drm_backend_monitor_destroy(backend_monitor);
|
|
}
|
|
|
|
static void handle_primary_drm_destroy(struct wl_listener *listener, void *data) {
|
|
struct wlr_drm_backend_monitor *backend_monitor =
|
|
wl_container_of(listener, backend_monitor, primary_drm_destroy);
|
|
drm_backend_monitor_destroy(backend_monitor);
|
|
}
|
|
|
|
static void handle_multi_destroy(struct wl_listener *listener, void *data) {
|
|
struct wlr_drm_backend_monitor *backend_monitor =
|
|
wl_container_of(listener, backend_monitor, multi_destroy);
|
|
drm_backend_monitor_destroy(backend_monitor);
|
|
}
|
|
|
|
struct wlr_drm_backend_monitor *drm_backend_monitor_create(
|
|
struct wlr_backend *multi,
|
|
struct wlr_backend *primary_drm,
|
|
struct wlr_session *session) {
|
|
struct wlr_drm_backend_monitor *monitor =
|
|
calloc(1, sizeof(struct wlr_drm_backend_monitor));
|
|
if (!monitor) {
|
|
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
|
return NULL;
|
|
}
|
|
|
|
monitor->multi = multi;
|
|
monitor->primary_drm = primary_drm;
|
|
monitor->session = session;
|
|
|
|
monitor->session_add_drm_card.notify = handle_add_drm_card;
|
|
wl_signal_add(&session->events.add_drm_card, &monitor->session_add_drm_card);
|
|
|
|
monitor->session_destroy.notify = handle_session_destroy;
|
|
wl_signal_add(&session->events.destroy, &monitor->session_destroy);
|
|
|
|
monitor->primary_drm_destroy.notify = handle_primary_drm_destroy;
|
|
wl_signal_add(&primary_drm->events.destroy, &monitor->primary_drm_destroy);
|
|
|
|
monitor->multi_destroy.notify = handle_multi_destroy;
|
|
wl_signal_add(&multi->events.destroy, &monitor->multi_destroy);
|
|
|
|
return monitor;
|
|
}
|