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Merge pull request #18 from ascent12/session

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Fix VT switching with libinput backend
This commit is contained in:
Drew DeVault 2017-06-21 09:58:15 -04:00 committed by GitHub
commit fd5ad15894
13 changed files with 106 additions and 70 deletions
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50
backend/drm/backend.c
View file

@ -40,36 +40,24 @@ static struct wlr_backend_impl backend_impl = {
.destroy = wlr_drm_backend_destroy
};
static void device_paused(struct wl_listener *listener, void *data) {
struct wlr_backend_state *drm = wl_container_of(listener, drm, device_paused);
struct device_arg *arg = data;
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_backend_state *drm = wl_container_of(listener, drm, session_signal);
struct wlr_session *session = data;
// TODO: Actually pause the renderer or something.
// We currently just expect it to fail its next pageflip.
if (session->active) {
wlr_log(L_INFO, "DRM fd resumed");
if (arg->dev == drm->dev) {
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *output = drm->outputs->items[i];
wlr_drm_output_start_renderer(output);
}
} else {
wlr_log(L_INFO, "DRM fd paused");
}
}
static void device_resumed(struct wl_listener *listener, void *data) {
struct wlr_backend_state *drm = wl_container_of(listener, drm, device_resumed);
struct device_arg *arg = data;
if (arg->dev != drm->dev) {
return;
}
if (dup2(arg->fd, drm->fd) < 0) {
wlr_log(L_ERROR, "dup2 failed: %s", strerror(errno));
return;
}
wlr_log(L_INFO, "DRM fd resumed");
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *output = drm->outputs->items[i];
wlr_drm_output_start_renderer(output);
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *output = drm->outputs->items[i];
wlr_drm_output_pause_renderer(output);
}
}
}
@ -139,14 +127,8 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
goto error_fd;
}
wl_list_init(&state->device_paused.link);
wl_list_init(&state->device_paused.link);
state->device_paused.notify = device_paused;
state->device_resumed.notify = device_resumed;
wl_signal_add(&session->device_paused, &state->device_paused);
wl_signal_add(&session->device_resumed, &state->device_resumed);
state->session_signal.notify = session_signal;
wl_signal_add(&session->session_signal, &state->session_signal);
// TODO: what is the difference between the per-output renderer and this
// one?

17
backend/drm/drm.c
View file

@ -116,6 +116,21 @@ static void wlr_drm_output_end(struct wlr_output_state *output) {
output->bo[0] = bo;
}
void wlr_drm_output_pause_renderer(struct wlr_output_state *output) {
if (output->state != DRM_OUTPUT_CONNECTED) {
return;
}
if (output->bo[1]) {
gbm_surface_release_buffer(output->gbm, output->bo[1]);
output->bo[1] = NULL;
}
if (output->bo[0]) {
gbm_surface_release_buffer(output->gbm, output->bo[0]);
output->bo[0] = NULL;
}
}
void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
if (output->state != DRM_OUTPUT_CONNECTED) {
return;
@ -608,7 +623,7 @@ static void page_flip_handler(int fd, unsigned seq,
}
output->pageflip_pending = false;
if (output->state == DRM_OUTPUT_CONNECTED) {
if (output->state == DRM_OUTPUT_CONNECTED && state->session->active) {
wlr_drm_output_begin(output);
wl_signal_emit(&output->wlr_output->events.frame, output->wlr_output);
wlr_drm_output_end(output);

18
backend/libinput/backend.c
View file

@ -86,6 +86,21 @@ static struct wlr_backend_impl backend_impl = {
.destroy = wlr_libinput_backend_destroy
};
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_backend_state *backend = wl_container_of(listener, backend, session_signal);
struct wlr_session *session = data;
if (!backend->libinput) {
return;
}
if (session->active) {
libinput_resume(backend->libinput);
} else {
libinput_suspend(backend->libinput);
}
}
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev) {
assert(display && session && udev);
@ -112,6 +127,9 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
state->udev = udev;
state->display = display;
state->session_signal.notify = session_signal;
wl_signal_add(&session->session_signal, &state->session_signal);
return backend;
error_state:
free(state);

2
example/pointer.c
View file

@ -50,6 +50,8 @@ static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
} else if (key_state == WLR_KEY_PRESSED && sym >= XKB_KEY_F1 && sym <= XKB_KEY_F12) {
wlr_session_change_vt(kbstate->compositor->session, sym - XKB_KEY_F1 + 1);
}
}

4
example/rotation.c
View file

@ -123,6 +123,10 @@ static void handle_keyboard_key(struct keyboard_state *kbstate,
update_velocities(kbstate->compositor, 0, 16);
break;
}
if (sym >= XKB_KEY_F1 && sym <= XKB_KEY_F12) {
wlr_session_change_vt(kbstate->compositor->session, sym - XKB_KEY_F1 + 1);
}
}
}

2
example/simple.c
View file

@ -42,6 +42,8 @@ static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
} else if (key_state == WLR_KEY_PRESSED && sym >= XKB_KEY_F1 && sym <= XKB_KEY_F12) {
wlr_session_change_vt(kbstate->compositor->session, sym - XKB_KEY_F1 + 1);
}
}

2
example/tablet.c
View file

@ -78,6 +78,8 @@ static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
} else if (key_state == WLR_KEY_PRESSED && sym >= XKB_KEY_F1 && sym <= XKB_KEY_F12) {
wlr_session_change_vt(kbstate->compositor->session, sym - XKB_KEY_F1 + 1);
}
}

2
example/touch.c
View file

@ -59,6 +59,8 @@ static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
if (sym == XKB_KEY_Escape) {
kbstate->compositor->exit = true;
} else if (key_state == WLR_KEY_PRESSED && sym >= XKB_KEY_F1 && sym <= XKB_KEY_F12) {
wlr_session_change_vt(kbstate->compositor->session, sym - XKB_KEY_F1 + 1);
}
}

4
include/backend/drm.h
View file

@ -34,8 +34,7 @@ struct wlr_backend_state {
struct wlr_backend *backend;
struct wl_event_source *drm_event;
struct wl_listener device_paused;
struct wl_listener device_resumed;
struct wl_listener session_signal;
struct wl_listener drm_invalidated;
uint32_t taken_crtcs;
@ -90,5 +89,6 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state);
int wlr_drm_event(int fd, uint32_t mask, void *data);
void wlr_drm_output_start_renderer(struct wlr_output_state *output);
void wlr_drm_output_pause_renderer(struct wlr_output_state *output);
#endif

2
include/backend/libinput.h
View file

@ -16,6 +16,8 @@ struct wlr_backend_state {
struct libinput *libinput;
struct wl_event_source *input_event;
struct wl_listener session_signal;
list_t *devices;
};

11
include/wlr/session.h
View file

@ -1,22 +1,17 @@
#ifndef WLR_SESSION_H
#define WLR_SESSION_H
#include <stdbool.h>
#include <wayland-server.h>
#include <sys/types.h>
struct session_impl;
// Passed to the listeners of device_paused/resumed
struct device_arg {
dev_t dev;
int fd; // Only for device_resumed
};
struct wlr_session {
const struct session_impl *impl;
struct wl_signal device_paused;
struct wl_signal device_resumed;
bool active;
struct wl_signal session_signal;
};
struct wlr_session *wlr_session_start(struct wl_display *disp);

4
session/direct.c
View file

@ -45,8 +45,8 @@ static struct wlr_session *direct_session_start(struct wl_display *disp) {
wlr_log(L_INFO, "Successfully loaded direct session");
session->base.impl = &session_direct;
wl_signal_init(&session->base.device_paused);
wl_signal_init(&session->base.device_resumed);
session->base.active = true;
wl_signal_init(&session->base.session_signal);
return &session->base;
}

58
session/logind.c
View file

@ -14,6 +14,8 @@
#include <wlr/session/interface.h>
#include "common/log.h"
enum { DRM_MAJOR = 226 };
const struct session_impl session_logind;
struct logind_session {
@ -25,6 +27,8 @@ struct logind_session {
char *id;
char *path;
char *seat;
int drm_fd;
};
static int logind_take_device(struct wlr_session *restrict base,
@ -58,7 +62,7 @@ static int logind_take_device(struct wlr_session *restrict base,
goto error;
}
// The original fd seem to be closed when the message is freed
// The original fd seems to be closed when the message is freed
// so we just clone it.
fd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
if (fd == -1) {
@ -67,6 +71,10 @@ static int logind_take_device(struct wlr_session *restrict base,
goto error;
}
if (major(st.st_rdev) == DRM_MAJOR) {
session->drm_fd = fd;
}
error:
sd_bus_error_free(&error);
sd_bus_message_unref(msg);
@ -93,6 +101,10 @@ static void logind_release_device(struct wlr_session *base, int fd) {
wlr_log(L_ERROR, "Failed to release device '%d'", fd);
}
if (major(st.st_rdev) == DRM_MAJOR) {
session->drm_fd = -1;
}
sd_bus_error_free(&error);
sd_bus_message_unref(msg);
}
@ -185,30 +197,31 @@ static int session_removed(sd_bus_message *msg, void *userdata, sd_bus_error *re
}
static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) {
wlr_log(L_INFO, "PauseDevice signal received");
struct logind_session *session = userdata;
int ret;
uint32_t major, minor;
ret = sd_bus_message_read(msg, "uu", &major, &minor);
const char *type;
ret = sd_bus_message_read(msg, "uus", &major, &minor, &type);
if (ret < 0) {
wlr_log(L_ERROR, "Failed to parse D-Bus response for PauseDevice: %s",
strerror(-ret));
goto error;
}
struct device_arg arg = {
.dev = makedev(major, minor),
.fd = -1,
};
if (major == DRM_MAJOR) {
session->base.active = false;
wl_signal_emit(&session->base.session_signal, session);
}
wl_signal_emit(&session->base.device_paused, &arg);
ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
session->path, "org.freedesktop.login1.Session", "PauseDeviceComplete",
ret_error, &msg, "uu", major, minor);
if (ret < 0) {
wlr_log(L_ERROR, "Failed to send PauseDeviceComplete signal");
if (strcmp(type, "pause") == 0) {
ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
session->path, "org.freedesktop.login1.Session", "PauseDeviceComplete",
ret_error, &msg, "uu", major, minor);
if (ret < 0) {
wlr_log(L_ERROR, "Failed to send PauseDeviceComplete signal: %s",
strerror(-ret));
}
}
error:
@ -216,7 +229,6 @@ error:
}
static int resume_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) {
wlr_log(L_INFO, "ResumeDevice signal received");
struct logind_session *session = userdata;
int ret;
@ -229,12 +241,11 @@ static int resume_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_
goto error;
}
struct device_arg arg = {
.dev = makedev(major, minor),
.fd = fd,
};
wl_signal_emit(&session->base.device_resumed, &arg);
if (major == DRM_MAJOR) {
dup2(fd, session->drm_fd);
session->base.active = true;
wl_signal_emit(&session->base.session_signal, session);
}
error:
return 0;
@ -334,9 +345,10 @@ static struct wlr_session *logind_session_start(struct wl_display *disp) {
wlr_log(L_INFO, "Successfully loaded logind session");
session->drm_fd = -1;
session->base.impl = &session_logind;
wl_signal_init(&session->base.device_paused);
wl_signal_init(&session->base.device_resumed);
session->base.active = true;
wl_signal_init(&session->base.session_signal);
return &session->base;
error_bus: