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Merge wlr_udev into wlr_session

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This commit is contained in:
Scott Anderson 2017-08-26 14:02:04 +12:00
parent 46823152ea
commit fb93628bda
18 changed files with 292 additions and 350 deletions
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21
backend/backend.c
View file

@ -12,7 +12,6 @@
#include <wlr/backend/wayland.h>
#include <wlr/backend/multi.h>
#include <wlr/util/log.h>
#include "backend/udev.h"
void wlr_backend_init(struct wlr_backend *backend,
const struct wlr_backend_impl *impl) {
@ -91,29 +90,23 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
return NULL;
}
struct wlr_udev *udev = wlr_udev_create(display);
if (!udev) {
wlr_log(L_ERROR, "Failed to start udev");
int gpu = wlr_session_find_gpu(session);
if (gpu == -1) {
wlr_log(L_ERROR, "Failed to open DRM device");
goto error_session;
}
int gpu = wlr_udev_find_gpu(udev, session);
if (gpu == -1) {
wlr_log(L_ERROR, "Failed to open DRM device");
goto error_udev;
}
backend = wlr_multi_backend_create(session, udev);
backend = wlr_multi_backend_create(session);
if (!backend) {
goto error_gpu;
}
struct wlr_backend *libinput = wlr_libinput_backend_create(display, session, udev);
struct wlr_backend *libinput = wlr_libinput_backend_create(display, session);
if (!libinput) {
goto error_multi;
}
struct wlr_backend *drm = wlr_drm_backend_create(display, session, udev, gpu);
struct wlr_backend *drm = wlr_drm_backend_create(display, session, gpu);
if (!drm) {
goto error_libinput;
}
@ -128,8 +121,6 @@ error_multi:
wlr_backend_destroy(backend);
error_gpu:
wlr_session_close_file(session, gpu);
error_udev:
wlr_udev_destroy(udev);
error_session:
wlr_session_destroy(session);
return NULL;

9
backend/drm/backend.c
View file

@ -13,7 +13,6 @@
#include <wlr/util/list.h>
#include <wlr/util/log.h>
#include <wlr/egl.h>
#include "backend/udev.h"
#include "backend/drm.h"
static bool wlr_drm_backend_start(struct wlr_backend *_backend) {
@ -32,7 +31,6 @@ static void wlr_drm_backend_destroy(struct wlr_backend *_backend) {
wlr_output_destroy(&output->output);
}
wlr_udev_signal_remove(backend->udev, &backend->drm_invalidated);
wlr_drm_renderer_free(&backend->renderer);
wlr_drm_resources_free(backend);
wlr_session_close_file(backend->session, backend->fd);
@ -84,8 +82,6 @@ static void session_signal(struct wl_listener *listener, void *data) {
static void drm_invalidated(struct wl_listener *listener, void *data) {
struct wlr_drm_backend *backend =
wl_container_of(listener, backend, drm_invalidated);
struct wlr_udev *udev = data;
(void)udev;
char *name = drmGetDeviceNameFromFd2(backend->fd);
wlr_log(L_DEBUG, "%s invalidated", name);
@ -95,7 +91,7 @@ static void drm_invalidated(struct wl_listener *listener, void *data) {
}
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev, int gpu_fd) {
struct wlr_session *session, int gpu_fd) {
assert(display && session && gpu_fd >= 0);
char *name = drmGetDeviceNameFromFd2(gpu_fd);
@ -112,7 +108,6 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
wlr_backend_init(&backend->backend, &backend_impl);
backend->session = session;
backend->udev = udev;
backend->outputs = list_create();
if (!backend->outputs) {
wlr_log(L_ERROR, "Failed to allocate list");
@ -128,7 +123,7 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
backend->dev = st.st_rdev;
backend->drm_invalidated.notify = drm_invalidated;
wlr_udev_signal_add(udev, backend->dev, &backend->drm_invalidated);
wlr_session_signal_add(session, gpu_fd, &backend->drm_invalidated);
backend->display = display;
struct wl_event_loop *event_loop = wl_display_get_event_loop(display);

8
backend/libinput/backend.c
View file

@ -4,7 +4,6 @@
#include <wlr/backend/session.h>
#include <wlr/backend/interface.h>
#include <wlr/util/log.h>
#include "backend/udev.h"
#include "backend/libinput.h"
static int wlr_libinput_open_restricted(const char *path,
@ -47,7 +46,7 @@ static bool wlr_libinput_backend_start(struct wlr_backend *_backend) {
struct wlr_libinput_backend *backend = (struct wlr_libinput_backend *)_backend;
wlr_log(L_DEBUG, "Initializing libinput");
backend->libinput_context = libinput_udev_create_context(&libinput_impl, backend,
backend->udev->udev);
backend->session->udev);
if (!backend->libinput_context) {
wlr_log(L_ERROR, "Failed to create libinput context");
return false;
@ -139,8 +138,8 @@ static void session_signal(struct wl_listener *listener, void *data) {
}
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev) {
assert(display && session && udev);
struct wlr_session *session) {
assert(display && session);
struct wlr_libinput_backend *backend = calloc(1, sizeof(struct wlr_libinput_backend));
if (!backend) {
@ -155,7 +154,6 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
}
backend->session = session;
backend->udev = udev;
backend->display = display;
backend->session_signal.notify = session_signal;

1
backend/meson.build
View file

@ -1,6 +1,5 @@
backend_files = files(
'backend.c',
'udev.c',
'session/direct-ipc.c',
'session/direct.c',
'session/session.c',

6
backend/multi/backend.c
View file

@ -2,7 +2,6 @@
#include <stdbool.h>
#include <stdlib.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/udev.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
#include "backend/multi.h"
@ -37,7 +36,6 @@ static void multi_backend_destroy(struct wlr_backend *_backend) {
}
list_free(backend->backends);
wlr_session_destroy(backend->session);
wlr_udev_destroy(backend->udev);
free(backend);
}
@ -59,8 +57,7 @@ struct wlr_backend_impl backend_impl = {
.get_egl = multi_backend_get_egl
};
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
struct wlr_udev *udev) {
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session) {
struct wlr_multi_backend *backend =
calloc(1, sizeof(struct wlr_multi_backend));
if (!backend) {
@ -78,7 +75,6 @@ struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
wlr_backend_init(&backend->backend, &backend_impl);
backend->session = session;
backend->udev = udev;
return &backend->backend;
}

2
backend/session/direct.c
View file

@ -223,8 +223,6 @@ static struct wlr_session *direct_session_create(struct wl_display *disp) {
snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat);
session->base.drm_fd = -1;
session->base.impl = &session_direct;
session->base.active = true;
wl_signal_init(&session->base.session_signal);
return &session->base;
error_ipc:

2
backend/session/logind.c
View file

@ -376,8 +376,6 @@ static struct wlr_session *logind_session_create(struct wl_display *disp) {
session->base.drm_fd = -1;
session->base.impl = &session_logind;
session->base.active = true;
wl_signal_init(&session->base.session_signal);
return &session->base;
error_bus:

271
backend/session/session.c
View file

@ -1,9 +1,25 @@
#include <assert.h>
#include <stddef.h>
#include <stdarg.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <libudev.h>
#include <wayland-server.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <wlr/backend/session.h>
#include <wlr/backend/session/interface.h>
#include <wlr/util/log.h>
struct device {
int fd;
dev_t dev;
struct wl_signal signal;
struct wl_list link;
};
extern const struct session_impl session_logind;
extern const struct session_impl session_direct;
@ -15,34 +31,159 @@ static const struct session_impl *impls[] = {
NULL,
};
static int udev_event(int fd, uint32_t mask, void *data) {
struct wlr_session *session = data;
struct udev_device *udev_dev = udev_monitor_receive_device(session->mon);
if (!udev_dev) {
return 1;
}
const char *action = udev_device_get_action(udev_dev);
wlr_log(L_DEBUG, "udev event for %s (%s)",
udev_device_get_sysname(udev_dev), action);
if (!action || strcmp(action, "change") != 0) {
goto out;
}
dev_t devnum = udev_device_get_devnum(udev_dev);
struct device *dev;
wl_list_for_each(dev, &session->devices, link) {
if (dev->dev == devnum) {
wl_signal_emit(&dev->signal, session);
break;
}
}
out:
udev_device_unref(udev_dev);
return 1;
}
struct wlr_session *wlr_session_create(struct wl_display *disp) {
struct wlr_session *session = NULL;
const struct session_impl **iter;
for (iter = impls; *iter; ++iter) {
struct wlr_session *session = (*iter)->create(disp);
if (session) {
return session;
}
for (iter = impls; !session && *iter; ++iter) {
session = (*iter)->create(disp);
}
if (!session) {
wlr_log(L_ERROR, "Failed to load session backend");
return NULL;
}
session->active = true;
wl_signal_init(&session->session_signal);
wl_list_init(&session->devices);
session->udev = udev_new();
if (!session->udev) {
wlr_log_errno(L_ERROR, "Failed to create udev context");
goto error_session;
}
session->mon = udev_monitor_new_from_netlink(session->udev, "udev");
if (!session->mon) {
wlr_log_errno(L_ERROR, "Failed to create udev monitor");
goto error_udev;
}
udev_monitor_filter_add_match_subsystem_devtype(session->mon, "drm", NULL);
udev_monitor_enable_receiving(session->mon);
struct wl_event_loop *event_loop = wl_display_get_event_loop(disp);
int fd = udev_monitor_get_fd(session->mon);
session->udev_event = wl_event_loop_add_fd(event_loop, fd,
WL_EVENT_READABLE, udev_event, session);
if (!session->udev_event) {
wlr_log_errno(L_ERROR, "Failed to create udev event source");
goto error_mon;
}
return session;
error_mon:
udev_monitor_unref(session->mon);
error_udev:
udev_unref(session->udev);
error_session:
wlr_session_destroy(session);
return NULL;
}
void wlr_session_destroy(struct wlr_session *session) {
if (!session) {
return;
}
wl_event_source_remove(session->udev_event);
udev_monitor_unref(session->mon);
udev_unref(session->udev);
session->impl->destroy(session);
};
}
int wlr_session_open_file(struct wlr_session *session, const char *path) {
return session->impl->open(session, path);
int fd = session->impl->open(session, path);
if (fd < 0) {
return fd;
}
struct device *dev = malloc(sizeof(*dev));
if (!dev) {
wlr_log_errno(L_ERROR, "Allocation failed");
goto error;
}
struct stat st;
if (fstat(fd, &st) < 0) {
wlr_log_errno(L_ERROR, "Stat failed");
goto error;
}
dev->fd = fd;
dev->dev = st.st_rdev;
wl_signal_init(&dev->signal);
wl_list_insert(&session->devices, &dev->link);
return fd;
error:
free(dev);
return fd;
}
static struct device *find_device(struct wlr_session *session, int fd) {
struct device *dev;
wl_list_for_each(dev, &session->devices, link) {
if (dev->fd == fd) {
return dev;
}
}
wlr_log(L_ERROR, "Tried to use fd %d not opened by session", fd);
assert(0);
}
void wlr_session_close_file(struct wlr_session *session, int fd) {
struct device *dev = find_device(session, fd);
session->impl->close(session, fd);
wl_list_remove(&dev->link);
free(dev);
}
void wlr_session_signal_add(struct wlr_session *session, int fd,
struct wl_listener *listener) {
struct device *dev = find_device(session, fd);
wl_signal_add(&dev->signal, listener);
}
bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) {
@ -52,3 +193,119 @@ bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) {
return session->impl->change_vt(session, vt);
}
/* Tests if 'path' is KMS compatible by trying to open it.
* It leaves the open device in *fd_out it it succeeds.
*/
static bool device_is_kms(struct wlr_session *restrict session,
const char *restrict path, int *restrict fd_out) {
int fd;
if (!path) {
return false;
}
fd = wlr_session_open_file(session, path);
if (fd < 0) {
return false;
}
drmModeRes *res = drmModeGetResources(fd);
if (!res) {
goto out_fd;
}
if (res->count_crtcs <= 0 || res->count_connectors <= 0 ||
res->count_encoders <= 0) {
goto out_res;
}
if (*fd_out >= 0) {
wlr_session_close_file(session, *fd_out);
}
*fd_out = fd;
drmModeFreeResources(res);
return true;
out_res:
drmModeFreeResources(res);
out_fd:
wlr_session_close_file(session, fd);
return false;
}
/* Tries to find the primary GPU by checking for the "boot_vga" attribute.
* If it's not found, it returns the first valid GPU it finds.
*/
int wlr_session_find_gpu(struct wlr_session *session) {
struct udev_enumerate *en = udev_enumerate_new(session->udev);
if (!en) {
wlr_log(L_ERROR, "Failed to create udev enumeration");
return -1;
}
udev_enumerate_add_match_subsystem(en, "drm");
udev_enumerate_add_match_sysname(en, "card[0-9]*");
udev_enumerate_scan_devices(en);
struct udev_list_entry *entry;
int fd = -1;
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) {
bool is_boot_vga = false;
const char *path = udev_list_entry_get_name(entry);
struct udev_device *dev = udev_device_new_from_syspath(session->udev, path);
if (!dev) {
continue;
}
/*
const char *seat = udev_device_get_property_value(dev, "ID_SEAT");
if (!seat)
seat = "seat0";
if (strcmp(session->seat, seat) != 0) {
udev_device_unref(dev);
continue;
}
*/
// This is owned by 'dev', so we don't need to free it
struct udev_device *pci =
udev_device_get_parent_with_subsystem_devtype(dev, "pci", NULL);
if (pci) {
const char *id = udev_device_get_sysattr_value(pci, "boot_vga");
if (id && strcmp(id, "1") == 0) {
is_boot_vga = true;
}
}
// We already have a valid GPU
if (!is_boot_vga && fd >= 0) {
udev_device_unref(dev);
continue;
}
path = udev_device_get_devnode(dev);
if (!device_is_kms(session, path, &fd)) {
udev_device_unref(dev);
continue;
}
udev_device_unref(dev);
// We've found the primary GPU
if (is_boot_vga) {
break;
}
}
udev_enumerate_unref(en);
return fd;
}

252
backend/udev.c
View file

@ -1,252 +0,0 @@
#define _POSIX_C_SOURCE 200809L
#include <libudev.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <wayland-server.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
#include "backend/udev.h"
/* Tests if 'path' is KMS compatible by trying to open it.
* It leaves the open device in *fd_out it it succeeds.
*/
static bool device_is_kms(struct wlr_session *restrict session,
const char *restrict path, int *restrict fd_out) {
int fd;
if (!path) {
return false;
}
fd = wlr_session_open_file(session, path);
if (fd < 0) {
return false;
}
drmModeRes *res = drmModeGetResources(fd);
if (!res) {
goto out_fd;
}
if (res->count_crtcs <= 0 || res->count_connectors <= 0 ||
res->count_encoders <= 0) {
goto out_res;
}
if (*fd_out >= 0) {
wlr_session_close_file(session, *fd_out);
}
*fd_out = fd;
drmModeFreeResources(res);
return true;
out_res:
drmModeFreeResources(res);
out_fd:
wlr_session_close_file(session, fd);
return false;
}
/* Tries to find the primary GPU by checking for the "boot_vga" attribute.
* If it's not found, it returns the first valid GPU it finds.
*/
int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session) {
struct udev_enumerate *en = udev_enumerate_new(udev->udev);
if (!en) {
wlr_log(L_ERROR, "Failed to create udev enumeration");
return -1;
}
udev_enumerate_add_match_subsystem(en, "drm");
udev_enumerate_add_match_sysname(en, "card[0-9]*");
udev_enumerate_scan_devices(en);
struct udev_list_entry *entry;
int fd = -1;
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) {
bool is_boot_vga = false;
const char *path = udev_list_entry_get_name(entry);
struct udev_device *dev = udev_device_new_from_syspath(udev->udev, path);
if (!dev) {
continue;
}
/*
const char *seat = udev_device_get_property_value(dev, "ID_SEAT");
if (!seat)
seat = "seat0";
if (strcmp(session->seat, seat) != 0) {
udev_device_unref(dev);
continue;
}
*/
// This is owned by 'dev', so we don't need to free it
struct udev_device *pci =
udev_device_get_parent_with_subsystem_devtype(dev, "pci", NULL);
if (pci) {
const char *id = udev_device_get_sysattr_value(pci, "boot_vga");
if (id && strcmp(id, "1") == 0) {
is_boot_vga = true;
}
}
// We already have a valid GPU
if (!is_boot_vga && fd >= 0) {
udev_device_unref(dev);
continue;
}
path = udev_device_get_devnode(dev);
if (!device_is_kms(session, path, &fd)) {
udev_device_unref(dev);
continue;
}
udev_device_unref(dev);
// We've found the primary GPU
if (is_boot_vga) {
break;
}
}
udev_enumerate_unref(en);
return fd;
}
static int udev_event(int fd, uint32_t mask, void *data) {
struct wlr_udev *udev = data;
struct udev_device *dev = udev_monitor_receive_device(udev->mon);
if (!dev) {
return 1;
}
const char *action = udev_device_get_action(dev);
wlr_log(L_DEBUG, "udev event for %s (%s)",
udev_device_get_sysname(dev), action);
if (!action || strcmp(action, "change") != 0) {
goto out;
}
dev_t devnum = udev_device_get_devnum(dev);
struct wlr_udev_dev *signal;
wl_list_for_each(signal, &udev->devices, link) {
if (signal->dev == devnum) {
wl_signal_emit(&signal->invalidate, udev);
break;
}
}
out:
udev_device_unref(dev);
return 1;
}
struct wlr_udev *wlr_udev_create(struct wl_display *display) {
struct wlr_udev *udev = calloc(sizeof(struct wlr_udev), 1);
if (!udev) {
return NULL;
}
udev->udev = udev_new();
if (!udev->udev) {
wlr_log(L_ERROR, "Failed to create udev context");
goto error;
}
udev->mon = udev_monitor_new_from_netlink(udev->udev, "udev");
if (!udev->mon) {
wlr_log(L_ERROR, "Failed to create udev monitor");
goto error_udev;
}
udev_monitor_filter_add_match_subsystem_devtype(udev->mon, "drm", NULL);
udev_monitor_enable_receiving(udev->mon);
struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
int fd = udev_monitor_get_fd(udev->mon);
udev->event = wl_event_loop_add_fd(event_loop, fd, WL_EVENT_READABLE,
udev_event, udev);
if (!udev->event) {
wlr_log(L_ERROR, "Failed to create udev event source");
goto error_mon;
}
wl_list_init(&udev->devices);
wlr_log(L_DEBUG, "Successfully initialized udev");
return udev;
error_mon:
udev_monitor_unref(udev->mon);
error_udev:
udev_unref(udev->udev);
error:
free(udev);
return NULL;
}
void wlr_udev_destroy(struct wlr_udev *udev) {
if (!udev) {
return;
}
struct wlr_udev_dev *dev, *tmp;
wl_list_for_each_safe(dev, tmp, &udev->devices, link) {
free(dev);
}
wl_event_source_remove(udev->event);
udev_monitor_unref(udev->mon);
udev_unref(udev->udev);
free(udev);
}
bool wlr_udev_signal_add(struct wlr_udev *udev, dev_t dev, struct wl_listener *listener) {
struct wlr_udev_dev *device = malloc(sizeof(*device));
if (!device) {
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
return false;
}
device->dev = dev;
wl_signal_init(&device->invalidate);
wl_signal_add(&device->invalidate, listener);
wl_list_insert(&udev->devices, &device->link);
return true;
}
void wlr_udev_signal_remove(struct wlr_udev *udev, struct wl_listener *listener) {
if (!udev || !listener) {
return;
}
struct wlr_udev_dev *dev, *tmp;
wl_list_for_each_safe(dev, tmp, &udev->devices, link) {
// The signal should only have a single listener
if (wl_signal_get(&dev->invalidate, listener->notify) != NULL) {
wl_list_remove(&dev->link);
free(dev);
return;
}
}
}

3
include/backend/drm.h
View file

@ -7,7 +7,6 @@
#include <wayland-server.h>
#include <xf86drmMode.h>
#include <EGL/egl.h>
#include <libudev.h>
#include <gbm.h>
#include <wlr/backend/session.h>
@ -16,7 +15,6 @@
#include <wlr/egl.h>
#include <wlr/util/list.h>
#include <backend/udev.h>
#include "drm-properties.h"
struct wlr_drm_plane {
@ -124,7 +122,6 @@ struct wlr_drm_backend {
struct wlr_drm_renderer renderer;
struct wlr_session *session;
struct wlr_udev *udev;
};
enum wlr_drm_output_state {

2
include/backend/libinput.h
View file

@ -6,13 +6,11 @@
#include <wlr/backend/interface.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/util/list.h>
#include "backend/udev.h"
struct wlr_libinput_backend {
struct wlr_backend backend;
struct wlr_session *session;
struct wlr_udev *udev;
struct wl_display *display;
struct libinput *libinput_context;

2
include/backend/multi.h
View file

@ -3,7 +3,6 @@
#include <wlr/backend/interface.h>
#include <wlr/backend/multi.h>
#include <wlr/backend/udev.h>
#include <wlr/util/list.h>
#include <wlr/backend/session.h>
@ -11,7 +10,6 @@ struct wlr_multi_backend {
struct wlr_backend backend;
struct wlr_session *session;
struct wlr_udev *udev;
list_t *backends;
};

29
include/backend/udev.h
View file

@ -1,29 +0,0 @@
#ifndef _WLR_INTERNAL_UDEV_H
#define _WLR_INTERNAL_UDEV_H
#include <sys/types.h>
#include <libudev.h>
#include <wlr/backend/session.h>
#include <wayland-server.h>
#include <wlr/backend/udev.h>
struct wlr_udev_dev {
dev_t dev;
struct wl_signal invalidate;
struct wl_list link;
};
struct wlr_udev {
struct udev *udev;
struct udev_monitor *mon;
struct wl_event_source *event;
struct wl_list devices;
};
int wlr_udev_find_gpu(struct wlr_udev *udev, struct wlr_session *session);
bool wlr_udev_signal_add(struct wlr_udev *udev, dev_t dev, struct wl_listener *listener);
void wlr_udev_signal_remove(struct wlr_udev *udev, struct wl_listener *listener);
#endif

3
include/wlr/backend/drm.h
View file

@ -4,10 +4,9 @@
#include <wayland-server.h>
#include <wlr/backend/session.h>
#include <wlr/backend.h>
#include <wlr/backend/udev.h>
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev, int gpu_fd);
struct wlr_session *session, int gpu_fd);
bool wlr_backend_is_drm(struct wlr_backend *backend);

3
include/wlr/backend/libinput.h
View file

@ -5,11 +5,10 @@
#include <wayland-server.h>
#include <wlr/backend/session.h>
#include <wlr/backend.h>
#include <wlr/backend/udev.h>
#include <wlr/types/wlr_input_device.h>
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev);
struct wlr_session *session);
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev);
bool wlr_backend_is_libinput(struct wlr_backend *backend);

4
include/wlr/backend/multi.h
View file

@ -2,11 +2,9 @@
#define _WLR_BACKEND_MULTI_H
#include <wlr/backend.h>
#include <wlr/backend/udev.h>
#include <wlr/backend/session.h>
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
struct wlr_udev *udev);
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session);
void wlr_multi_backend_add(struct wlr_backend *multi,
struct wlr_backend *backend);

11
include/wlr/backend/session.h
View file

@ -3,6 +3,7 @@
#include <stdbool.h>
#include <wayland-server.h>
#include <libudev.h>
#include <sys/types.h>
struct session_impl;
@ -19,6 +20,12 @@ struct wlr_session {
int drm_fd;
unsigned vtnr;
char seat[8];
struct udev *udev;
struct udev_monitor *mon;
struct wl_event_source *udev_event;
struct wl_list devices;
};
/*
@ -57,9 +64,13 @@ int wlr_session_open_file(struct wlr_session *session, const char *path);
*/
void wlr_session_close_file(struct wlr_session *session, int fd);
void wlr_session_signal_add(struct wlr_session *session, int fd,
struct wl_listener *listener);
/*
* Changes the virtual terminal.
*/
bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
int wlr_session_find_gpu(struct wlr_session *session);
#endif

9
include/wlr/backend/udev.h
View file

@ -1,9 +0,0 @@
#ifndef _WLR_BACKEND_UDEV_H
#define _WLR_BACKEND_UDEV_H
struct wlr_udev;
struct wlr_udev *wlr_udev_create(struct wl_display *display);
void wlr_udev_destroy(struct wlr_udev *udev);
#endif