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backend/wscons: introduce new backend

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This commit is contained in:
illiliti 2026-05-22 15:48:18 +03:00
parent f56f21b98f
commit 900ff30921
12 changed files with 1208 additions and 7 deletions
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34
backend/backend.c
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@ -32,6 +32,10 @@
#include <wlr/backend/x11.h>
#endif
#if WLR_HAS_WSCONS_BACKEND
#include <wlr/backend/wscons.h>
#endif
#define WAIT_SESSION_TIMEOUT 10000 // ms
void wlr_backend_init(struct wlr_backend *backend,
@ -287,6 +291,15 @@ static struct wlr_backend *attempt_libinput_backend(struct wlr_session *session)
#endif
}
static struct wlr_backend *attempt_wscons_backend(struct wlr_session *session) {
#if WLR_HAS_WSCONS_BACKEND
return wlr_wscons_backend_create(session);
#else
wlr_log(WLR_ERROR, "Cannot create wscons backend: disabled at compile-time");
return NULL;
#endif
}
static bool attempt_backend_by_name(struct wl_event_loop *loop,
struct wlr_backend *multi, char *name,
struct wlr_session **session_ptr) {
@ -297,8 +310,9 @@ static bool attempt_backend_by_name(struct wl_event_loop *loop,
backend = attempt_x11_backend(loop, NULL);
} else if (strcmp(name, "headless") == 0) {
backend = attempt_headless_backend(loop);
} else if (strcmp(name, "drm") == 0 || strcmp(name, "libinput") == 0) {
// DRM and libinput need a session
} else if (strcmp(name, "drm") == 0 || strcmp(name, "libinput") == 0
|| strcmp(name, "wscons") == 0) {
// DRM and libinput/wscons need a session
if (*session_ptr == NULL) {
*session_ptr = session_create_and_wait(loop);
if (*session_ptr == NULL) {
@ -309,6 +323,8 @@ static bool attempt_backend_by_name(struct wl_event_loop *loop,
if (strcmp(name, "libinput") == 0) {
backend = attempt_libinput_backend(*session_ptr);
} else if (strcmp(name, "wscons") == 0) {
backend = attempt_wscons_backend(*session_ptr);
} else {
// attempt_drm_backend() adds the multi drm backends itself
return attempt_drm_backend(multi, *session_ptr) != NULL;
@ -393,13 +409,24 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_event_loop *loop,
goto success;
}
// Attempt DRM+libinput
// Attempt DRM+libinput/wscons
session = session_create_and_wait(loop);
if (!session) {
wlr_log(WLR_ERROR, "Failed to start a DRM session");
goto error;
}
#if WLR_HAS_WSCONS_BACKEND
struct wlr_backend *wscons = attempt_wscons_backend(session);
if (!wscons) {
wlr_log(WLR_ERROR, "Failed to start wscons backend");
goto error;
}
wlr_multi_backend_add(multi, wscons);
if (!auto_backend_monitor_create(multi, wscons)) {
goto error;
}
#else
struct wlr_backend *libinput = attempt_libinput_backend(session);
if (libinput) {
wlr_multi_backend_add(multi, libinput);
@ -414,6 +441,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_event_loop *loop,
wlr_log(WLR_ERROR, "Set WLR_LIBINPUT_NO_DEVICES=1 to skip libinput");
goto error;
}
#endif
struct wlr_backend *primary_drm = attempt_drm_backend(multi, session);
if (primary_drm == NULL) {