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Changed ownership of wlr_session to the multi backend.

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Currently breaks VT switching for examples.
master
Scott Anderson 7 years ago
parent 41b98f21e5
commit ae4478e17f
7 changed files with 57 additions and 28 deletions
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41
backend/backend.c
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@ -62,8 +62,7 @@ static struct wlr_backend *attempt_wl_backend(struct wl_display *display) {
return backend;
}
struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
struct wlr_session *session) {
struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
struct wlr_backend *backend;
if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY")) {
backend = attempt_wl_backend(display);
@ -71,43 +70,61 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
return backend;
}
}
if (getenv("DISPLAY")) {
// TODO: X11 backend
return NULL;
}
// Attempt DRM+libinput
struct wlr_udev *udev;
if (!(udev = wlr_udev_create(display))) {
struct wlr_session *session = wlr_session_start(display);
if (!session) {
wlr_log(L_ERROR, "Failed to start a DRM session");
return NULL;
}
struct wlr_udev *udev = wlr_udev_create(display);
if (!udev) {
wlr_log(L_ERROR, "Failed to start udev");
goto error;
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();
backend = wlr_multi_backend_create(session, udev);
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, udev);
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, udev, gpu);
if (!drm) {
goto error_libinput;
}
wlr_multi_backend_add(backend, libinput);
wlr_multi_backend_add(backend, drm);
return backend;
error_libinput:
wlr_backend_destroy(libinput);
error_multi:
wlr_backend_destroy(backend);
error_gpu:
close(gpu);
wlr_session_close_file(session, gpu);
error_udev:
wlr_udev_destroy(udev);
error:
error_session:
wlr_session_finish(session);
return NULL;
}

11
backend/multi/backend.c
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@ -1,6 +1,8 @@
#include <stdbool.h>
#include <stdlib.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/udev.h>
#include <wlr/session.h>
#include <wlr/util/log.h>
#include "backend/multi.h"
@ -31,6 +33,8 @@ static void multi_backend_destroy(struct wlr_backend_state *state) {
free(sub);
}
list_free(state->backends);
wlr_session_finish(state->session);
wlr_udev_destroy(state->udev);
free(state);
}
@ -39,21 +43,26 @@ struct wlr_backend_impl backend_impl = {
.destroy = multi_backend_destroy
};
struct wlr_backend *wlr_multi_backend_create() {
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
struct wlr_udev *udev) {
struct wlr_backend_state *state =
calloc(1, sizeof(struct wlr_backend_state));
if (!state) {
wlr_log(L_ERROR, "Backend allocation failed");
return NULL;
}
state->backends = list_create();
if (!state->backends) {
free(state);
wlr_log(L_ERROR, "Backend allocation failed");
return NULL;
}
struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
state->backend = backend;
state->session = session;
state->udev = udev;
return backend;
}

13
examples/shared.c
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@ -440,12 +440,6 @@ static void output_remove_notify(struct wl_listener *listener, void *data) {
void compositor_init(struct compositor_state *state) {
state->display = wl_display_create();
state->event_loop = wl_display_get_event_loop(state->display);
state->session = wlr_session_start(state->display);
if (!state->session
|| !state->display
|| !state->event_loop) {
exit(1);
}
wl_list_init(&state->keyboards);
wl_list_init(&state->pointers);
@ -463,10 +457,8 @@ void compositor_init(struct compositor_state *state) {
wl_list_init(&state->output_remove.link);
state->output_remove.notify = output_remove_notify;
struct wlr_backend *wlr = wlr_backend_autocreate(
state->display, state->session);
struct wlr_backend *wlr = wlr_backend_autocreate(state->display);
if (!wlr) {
wlr_session_finish(state->session);
exit(1);
}
wl_signal_add(&wlr->events.input_add, &state->input_add);
@ -481,7 +473,6 @@ void compositor_init(struct compositor_state *state) {
if (!socket) {
wlr_log_errno(L_ERROR, "Unable to open wayland socket");
wlr_backend_destroy(wlr);
wlr_session_finish(state->session);
exit(1);
}
@ -490,7 +481,6 @@ void compositor_init(struct compositor_state *state) {
if (!wlr_backend_init(state->backend)) {
wlr_log(L_ERROR, "Failed to initialize backend");
wlr_backend_destroy(wlr);
wlr_session_finish(state->session);
exit(1);
}
}
@ -498,6 +488,5 @@ void compositor_init(struct compositor_state *state) {
void compositor_run(struct compositor_state *state) {
wl_display_run(state->display);
wlr_backend_destroy(state->backend);
wlr_session_finish(state->session);
wl_display_destroy(state->display);
}

4
include/backend/multi.h
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@ -3,10 +3,14 @@
#include <wlr/backend/interface.h>
#include <wlr/backend/multi.h>
#include <wlr/backend/udev.h>
#include <wlr/util/list.h>
#include <wlr/session.h>
struct wlr_backend_state {
struct wlr_backend *backend;
struct wlr_session *session;
struct wlr_udev *udev;
list_t *backends;
};

3
include/wlr/backend.h
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@ -19,8 +19,7 @@ struct wlr_backend {
} events;
};
struct wlr_backend *wlr_backend_autocreate(struct wl_display *display,
struct wlr_session *session);
struct wlr_backend *wlr_backend_autocreate(struct wl_display *display);
bool wlr_backend_init(struct wlr_backend *backend);
void wlr_backend_destroy(struct wlr_backend *backend);

5
include/wlr/backend/multi.h
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@ -2,8 +2,11 @@
#define _WLR_BACKEND_MULTI_H
#include <wlr/backend.h>
#include <wlr/backend/udev.h>
#include <wlr/session.h>
struct wlr_backend *wlr_multi_backend_create();
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
struct wlr_udev *udev);
void wlr_multi_backend_add(struct wlr_backend *multi,
struct wlr_backend *backend);

8
session/session.c
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@ -30,6 +30,10 @@ struct wlr_session *wlr_session_start(struct wl_display *disp) {
}
void wlr_session_finish(struct wlr_session *session) {
if (!session) {
return;
}
session->impl->finish(session);
};
@ -42,5 +46,9 @@ void wlr_session_close_file(struct wlr_session *session, int fd) {
}
bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) {
if (!session) {
return false;
}
return session->impl->change_vt(session, vt);
}

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