Merge wlr_udev into wlr_session
This commit is contained in:
parent
46823152ea
commit
fb93628bda
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@ -12,7 +12,6 @@
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#include <wlr/backend/wayland.h>
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#include <wlr/backend/wayland.h>
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#include <wlr/backend/multi.h>
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#include <wlr/backend/multi.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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#include "backend/udev.h"
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void wlr_backend_init(struct wlr_backend *backend,
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void wlr_backend_init(struct wlr_backend *backend,
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const struct wlr_backend_impl *impl) {
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const struct wlr_backend_impl *impl) {
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@ -91,29 +90,23 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
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return NULL;
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return NULL;
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}
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}
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struct wlr_udev *udev = wlr_udev_create(display);
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int gpu = wlr_session_find_gpu(session);
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if (!udev) {
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if (gpu == -1) {
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wlr_log(L_ERROR, "Failed to start udev");
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wlr_log(L_ERROR, "Failed to open DRM device");
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goto error_session;
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goto error_session;
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}
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}
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int gpu = wlr_udev_find_gpu(udev, session);
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backend = wlr_multi_backend_create(session);
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if (gpu == -1) {
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wlr_log(L_ERROR, "Failed to open DRM device");
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goto error_udev;
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}
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backend = wlr_multi_backend_create(session, udev);
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if (!backend) {
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if (!backend) {
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goto error_gpu;
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goto error_gpu;
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}
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}
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struct wlr_backend *libinput = wlr_libinput_backend_create(display, session, udev);
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struct wlr_backend *libinput = wlr_libinput_backend_create(display, session);
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if (!libinput) {
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if (!libinput) {
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goto error_multi;
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goto error_multi;
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}
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}
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struct wlr_backend *drm = wlr_drm_backend_create(display, session, udev, gpu);
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struct wlr_backend *drm = wlr_drm_backend_create(display, session, gpu);
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if (!drm) {
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if (!drm) {
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goto error_libinput;
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goto error_libinput;
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}
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}
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@ -128,8 +121,6 @@ error_multi:
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wlr_backend_destroy(backend);
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wlr_backend_destroy(backend);
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error_gpu:
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error_gpu:
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wlr_session_close_file(session, gpu);
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wlr_session_close_file(session, gpu);
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error_udev:
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wlr_udev_destroy(udev);
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error_session:
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error_session:
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wlr_session_destroy(session);
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wlr_session_destroy(session);
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return NULL;
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return NULL;
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@ -13,7 +13,6 @@
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#include <wlr/util/list.h>
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#include <wlr/util/list.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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#include <wlr/egl.h>
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#include <wlr/egl.h>
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#include "backend/udev.h"
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#include "backend/drm.h"
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#include "backend/drm.h"
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static bool wlr_drm_backend_start(struct wlr_backend *_backend) {
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static bool wlr_drm_backend_start(struct wlr_backend *_backend) {
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@ -32,7 +31,6 @@ static void wlr_drm_backend_destroy(struct wlr_backend *_backend) {
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wlr_output_destroy(&output->output);
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wlr_output_destroy(&output->output);
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}
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}
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wlr_udev_signal_remove(backend->udev, &backend->drm_invalidated);
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wlr_drm_renderer_free(&backend->renderer);
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wlr_drm_renderer_free(&backend->renderer);
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wlr_drm_resources_free(backend);
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wlr_drm_resources_free(backend);
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wlr_session_close_file(backend->session, backend->fd);
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wlr_session_close_file(backend->session, backend->fd);
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@ -84,8 +82,6 @@ static void session_signal(struct wl_listener *listener, void *data) {
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static void drm_invalidated(struct wl_listener *listener, void *data) {
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static void drm_invalidated(struct wl_listener *listener, void *data) {
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struct wlr_drm_backend *backend =
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struct wlr_drm_backend *backend =
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wl_container_of(listener, backend, drm_invalidated);
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wl_container_of(listener, backend, drm_invalidated);
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struct wlr_udev *udev = data;
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(void)udev;
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char *name = drmGetDeviceNameFromFd2(backend->fd);
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char *name = drmGetDeviceNameFromFd2(backend->fd);
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wlr_log(L_DEBUG, "%s invalidated", name);
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wlr_log(L_DEBUG, "%s invalidated", name);
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@ -95,7 +91,7 @@ static void drm_invalidated(struct wl_listener *listener, void *data) {
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}
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}
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, struct wlr_udev *udev, int gpu_fd) {
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struct wlr_session *session, int gpu_fd) {
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assert(display && session && gpu_fd >= 0);
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assert(display && session && gpu_fd >= 0);
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char *name = drmGetDeviceNameFromFd2(gpu_fd);
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char *name = drmGetDeviceNameFromFd2(gpu_fd);
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@ -112,7 +108,6 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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wlr_backend_init(&backend->backend, &backend_impl);
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wlr_backend_init(&backend->backend, &backend_impl);
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backend->session = session;
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backend->session = session;
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backend->udev = udev;
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backend->outputs = list_create();
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backend->outputs = list_create();
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if (!backend->outputs) {
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if (!backend->outputs) {
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wlr_log(L_ERROR, "Failed to allocate list");
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wlr_log(L_ERROR, "Failed to allocate list");
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@ -128,7 +123,7 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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backend->dev = st.st_rdev;
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backend->dev = st.st_rdev;
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backend->drm_invalidated.notify = drm_invalidated;
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backend->drm_invalidated.notify = drm_invalidated;
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wlr_udev_signal_add(udev, backend->dev, &backend->drm_invalidated);
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wlr_session_signal_add(session, gpu_fd, &backend->drm_invalidated);
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backend->display = display;
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backend->display = display;
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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@ -4,7 +4,6 @@
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#include <wlr/backend/session.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/interface.h>
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#include <wlr/backend/interface.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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#include "backend/udev.h"
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#include "backend/libinput.h"
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#include "backend/libinput.h"
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static int wlr_libinput_open_restricted(const char *path,
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static int wlr_libinput_open_restricted(const char *path,
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struct wlr_libinput_backend *backend = (struct wlr_libinput_backend *)_backend;
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struct wlr_libinput_backend *backend = (struct wlr_libinput_backend *)_backend;
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wlr_log(L_DEBUG, "Initializing libinput");
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wlr_log(L_DEBUG, "Initializing libinput");
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backend->libinput_context = libinput_udev_create_context(&libinput_impl, backend,
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backend->libinput_context = libinput_udev_create_context(&libinput_impl, backend,
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backend->udev->udev);
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backend->session->udev);
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if (!backend->libinput_context) {
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if (!backend->libinput_context) {
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wlr_log(L_ERROR, "Failed to create libinput context");
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wlr_log(L_ERROR, "Failed to create libinput context");
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return false;
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return false;
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@ -139,8 +138,8 @@ static void session_signal(struct wl_listener *listener, void *data) {
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}
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}
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struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
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struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
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struct wlr_session *session, struct wlr_udev *udev) {
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struct wlr_session *session) {
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assert(display && session && udev);
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assert(display && session);
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struct wlr_libinput_backend *backend = calloc(1, sizeof(struct wlr_libinput_backend));
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struct wlr_libinput_backend *backend = calloc(1, sizeof(struct wlr_libinput_backend));
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if (!backend) {
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if (!backend) {
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@ -155,7 +154,6 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
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}
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}
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backend->session = session;
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backend->session = session;
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backend->udev = udev;
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backend->display = display;
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backend->display = display;
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backend->session_signal.notify = session_signal;
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backend->session_signal.notify = session_signal;
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@ -1,6 +1,5 @@
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backend_files = files(
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backend_files = files(
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'backend.c',
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'backend.c',
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'udev.c',
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'session/direct-ipc.c',
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'session/direct-ipc.c',
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'session/direct.c',
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'session/direct.c',
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'session/session.c',
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'session/session.c',
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@ -2,7 +2,6 @@
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#include <stdbool.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <wlr/backend/interface.h>
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#include <wlr/backend/interface.h>
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#include <wlr/backend/udev.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/session.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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#include "backend/multi.h"
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#include "backend/multi.h"
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@ -37,7 +36,6 @@ static void multi_backend_destroy(struct wlr_backend *_backend) {
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}
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}
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list_free(backend->backends);
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list_free(backend->backends);
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wlr_session_destroy(backend->session);
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wlr_session_destroy(backend->session);
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wlr_udev_destroy(backend->udev);
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free(backend);
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free(backend);
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}
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}
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@ -59,8 +57,7 @@ struct wlr_backend_impl backend_impl = {
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.get_egl = multi_backend_get_egl
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.get_egl = multi_backend_get_egl
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};
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};
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struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
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struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session) {
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struct wlr_udev *udev) {
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struct wlr_multi_backend *backend =
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struct wlr_multi_backend *backend =
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calloc(1, sizeof(struct wlr_multi_backend));
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calloc(1, sizeof(struct wlr_multi_backend));
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if (!backend) {
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if (!backend) {
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@ -78,7 +75,6 @@ struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
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wlr_backend_init(&backend->backend, &backend_impl);
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wlr_backend_init(&backend->backend, &backend_impl);
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backend->session = session;
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backend->session = session;
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backend->udev = udev;
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return &backend->backend;
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return &backend->backend;
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}
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}
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@ -223,8 +223,6 @@ static struct wlr_session *direct_session_create(struct wl_display *disp) {
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snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat);
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snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat);
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session->base.drm_fd = -1;
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session->base.drm_fd = -1;
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session->base.impl = &session_direct;
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session->base.impl = &session_direct;
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session->base.active = true;
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wl_signal_init(&session->base.session_signal);
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return &session->base;
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return &session->base;
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error_ipc:
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error_ipc:
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@ -376,8 +376,6 @@ static struct wlr_session *logind_session_create(struct wl_display *disp) {
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session->base.drm_fd = -1;
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session->base.drm_fd = -1;
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session->base.impl = &session_logind;
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session->base.impl = &session_logind;
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session->base.active = true;
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wl_signal_init(&session->base.session_signal);
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return &session->base;
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return &session->base;
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error_bus:
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error_bus:
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@ -1,9 +1,25 @@
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#include <assert.h>
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#include <stddef.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <libudev.h>
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#include <wayland-server.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/session.h>
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#include <wlr/backend/session/interface.h>
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#include <wlr/backend/session/interface.h>
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#include <wlr/util/log.h>
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#include <wlr/util/log.h>
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struct device {
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int fd;
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dev_t dev;
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struct wl_signal signal;
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struct wl_list link;
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};
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extern const struct session_impl session_logind;
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extern const struct session_impl session_logind;
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extern const struct session_impl session_direct;
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extern const struct session_impl session_direct;
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@ -15,17 +31,88 @@ static const struct session_impl *impls[] = {
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NULL,
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NULL,
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};
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};
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struct wlr_session *wlr_session_create(struct wl_display *disp) {
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static int udev_event(int fd, uint32_t mask, void *data) {
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const struct session_impl **iter;
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struct wlr_session *session = data;
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for (iter = impls; *iter; ++iter) {
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struct udev_device *udev_dev = udev_monitor_receive_device(session->mon);
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struct wlr_session *session = (*iter)->create(disp);
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if (!udev_dev) {
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if (session) {
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return 1;
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return session;
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}
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const char *action = udev_device_get_action(udev_dev);
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wlr_log(L_DEBUG, "udev event for %s (%s)",
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udev_device_get_sysname(udev_dev), action);
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if (!action || strcmp(action, "change") != 0) {
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goto out;
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}
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dev_t devnum = udev_device_get_devnum(udev_dev);
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struct device *dev;
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wl_list_for_each(dev, &session->devices, link) {
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if (dev->dev == devnum) {
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wl_signal_emit(&dev->signal, session);
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break;
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}
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}
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}
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}
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wlr_log(L_ERROR, "Failed to load session backend");
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out:
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udev_device_unref(udev_dev);
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return 1;
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}
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struct wlr_session *wlr_session_create(struct wl_display *disp) {
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struct wlr_session *session = NULL;
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const struct session_impl **iter;
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for (iter = impls; !session && *iter; ++iter) {
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session = (*iter)->create(disp);
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}
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if (!session) {
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wlr_log(L_ERROR, "Failed to load session backend");
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return NULL;
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}
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session->active = true;
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wl_signal_init(&session->session_signal);
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wl_list_init(&session->devices);
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session->udev = udev_new();
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if (!session->udev) {
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wlr_log_errno(L_ERROR, "Failed to create udev context");
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goto error_session;
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}
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session->mon = udev_monitor_new_from_netlink(session->udev, "udev");
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if (!session->mon) {
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wlr_log_errno(L_ERROR, "Failed to create udev monitor");
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goto error_udev;
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}
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udev_monitor_filter_add_match_subsystem_devtype(session->mon, "drm", NULL);
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udev_monitor_enable_receiving(session->mon);
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struct wl_event_loop *event_loop = wl_display_get_event_loop(disp);
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int fd = udev_monitor_get_fd(session->mon);
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session->udev_event = wl_event_loop_add_fd(event_loop, fd,
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WL_EVENT_READABLE, udev_event, session);
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if (!session->udev_event) {
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wlr_log_errno(L_ERROR, "Failed to create udev event source");
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||||||
|
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;
|
return NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -34,15 +121,69 @@ void wlr_session_destroy(struct wlr_session *session) {
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
wl_event_source_remove(session->udev_event);
|
||||||
|
udev_monitor_unref(session->mon);
|
||||||
|
udev_unref(session->udev);
|
||||||
|
|
||||||
session->impl->destroy(session);
|
session->impl->destroy(session);
|
||||||
};
|
}
|
||||||
|
|
||||||
int wlr_session_open_file(struct wlr_session *session, const char *path) {
|
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) {
|
void wlr_session_close_file(struct wlr_session *session, int fd) {
|
||||||
|
struct device *dev = find_device(session, fd);
|
||||||
|
|
||||||
session->impl->close(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) {
|
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);
|
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
252
backend/udev.c
|
@ -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;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
|
@ -7,7 +7,6 @@
|
||||||
#include <wayland-server.h>
|
#include <wayland-server.h>
|
||||||
#include <xf86drmMode.h>
|
#include <xf86drmMode.h>
|
||||||
#include <EGL/egl.h>
|
#include <EGL/egl.h>
|
||||||
#include <libudev.h>
|
|
||||||
#include <gbm.h>
|
#include <gbm.h>
|
||||||
|
|
||||||
#include <wlr/backend/session.h>
|
#include <wlr/backend/session.h>
|
||||||
|
@ -16,7 +15,6 @@
|
||||||
#include <wlr/egl.h>
|
#include <wlr/egl.h>
|
||||||
#include <wlr/util/list.h>
|
#include <wlr/util/list.h>
|
||||||
|
|
||||||
#include <backend/udev.h>
|
|
||||||
#include "drm-properties.h"
|
#include "drm-properties.h"
|
||||||
|
|
||||||
struct wlr_drm_plane {
|
struct wlr_drm_plane {
|
||||||
|
@ -124,7 +122,6 @@ struct wlr_drm_backend {
|
||||||
|
|
||||||
struct wlr_drm_renderer renderer;
|
struct wlr_drm_renderer renderer;
|
||||||
struct wlr_session *session;
|
struct wlr_session *session;
|
||||||
struct wlr_udev *udev;
|
|
||||||
};
|
};
|
||||||
|
|
||||||
enum wlr_drm_output_state {
|
enum wlr_drm_output_state {
|
||||||
|
|
|
@ -6,13 +6,11 @@
|
||||||
#include <wlr/backend/interface.h>
|
#include <wlr/backend/interface.h>
|
||||||
#include <wlr/interfaces/wlr_input_device.h>
|
#include <wlr/interfaces/wlr_input_device.h>
|
||||||
#include <wlr/util/list.h>
|
#include <wlr/util/list.h>
|
||||||
#include "backend/udev.h"
|
|
||||||
|
|
||||||
struct wlr_libinput_backend {
|
struct wlr_libinput_backend {
|
||||||
struct wlr_backend backend;
|
struct wlr_backend backend;
|
||||||
|
|
||||||
struct wlr_session *session;
|
struct wlr_session *session;
|
||||||
struct wlr_udev *udev;
|
|
||||||
struct wl_display *display;
|
struct wl_display *display;
|
||||||
|
|
||||||
struct libinput *libinput_context;
|
struct libinput *libinput_context;
|
||||||
|
|
|
@ -3,7 +3,6 @@
|
||||||
|
|
||||||
#include <wlr/backend/interface.h>
|
#include <wlr/backend/interface.h>
|
||||||
#include <wlr/backend/multi.h>
|
#include <wlr/backend/multi.h>
|
||||||
#include <wlr/backend/udev.h>
|
|
||||||
#include <wlr/util/list.h>
|
#include <wlr/util/list.h>
|
||||||
#include <wlr/backend/session.h>
|
#include <wlr/backend/session.h>
|
||||||
|
|
||||||
|
@ -11,7 +10,6 @@ struct wlr_multi_backend {
|
||||||
struct wlr_backend backend;
|
struct wlr_backend backend;
|
||||||
|
|
||||||
struct wlr_session *session;
|
struct wlr_session *session;
|
||||||
struct wlr_udev *udev;
|
|
||||||
list_t *backends;
|
list_t *backends;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
@ -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
|
|
|
@ -4,10 +4,9 @@
|
||||||
#include <wayland-server.h>
|
#include <wayland-server.h>
|
||||||
#include <wlr/backend/session.h>
|
#include <wlr/backend/session.h>
|
||||||
#include <wlr/backend.h>
|
#include <wlr/backend.h>
|
||||||
#include <wlr/backend/udev.h>
|
|
||||||
|
|
||||||
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
|
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);
|
bool wlr_backend_is_drm(struct wlr_backend *backend);
|
||||||
|
|
||||||
|
|
|
@ -5,11 +5,10 @@
|
||||||
#include <wayland-server.h>
|
#include <wayland-server.h>
|
||||||
#include <wlr/backend/session.h>
|
#include <wlr/backend/session.h>
|
||||||
#include <wlr/backend.h>
|
#include <wlr/backend.h>
|
||||||
#include <wlr/backend/udev.h>
|
|
||||||
#include <wlr/types/wlr_input_device.h>
|
#include <wlr/types/wlr_input_device.h>
|
||||||
|
|
||||||
struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
|
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);
|
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev);
|
||||||
|
|
||||||
bool wlr_backend_is_libinput(struct wlr_backend *backend);
|
bool wlr_backend_is_libinput(struct wlr_backend *backend);
|
||||||
|
|
|
@ -2,11 +2,9 @@
|
||||||
#define _WLR_BACKEND_MULTI_H
|
#define _WLR_BACKEND_MULTI_H
|
||||||
|
|
||||||
#include <wlr/backend.h>
|
#include <wlr/backend.h>
|
||||||
#include <wlr/backend/udev.h>
|
|
||||||
#include <wlr/backend/session.h>
|
#include <wlr/backend/session.h>
|
||||||
|
|
||||||
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
|
struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session);
|
||||||
struct wlr_udev *udev);
|
|
||||||
void wlr_multi_backend_add(struct wlr_backend *multi,
|
void wlr_multi_backend_add(struct wlr_backend *multi,
|
||||||
struct wlr_backend *backend);
|
struct wlr_backend *backend);
|
||||||
|
|
||||||
|
|
|
@ -3,6 +3,7 @@
|
||||||
|
|
||||||
#include <stdbool.h>
|
#include <stdbool.h>
|
||||||
#include <wayland-server.h>
|
#include <wayland-server.h>
|
||||||
|
#include <libudev.h>
|
||||||
#include <sys/types.h>
|
#include <sys/types.h>
|
||||||
|
|
||||||
struct session_impl;
|
struct session_impl;
|
||||||
|
@ -19,6 +20,12 @@ struct wlr_session {
|
||||||
int drm_fd;
|
int drm_fd;
|
||||||
unsigned vtnr;
|
unsigned vtnr;
|
||||||
char seat[8];
|
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_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.
|
* Changes the virtual terminal.
|
||||||
*/
|
*/
|
||||||
bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
|
bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
|
||||||
|
|
||||||
|
int wlr_session_find_gpu(struct wlr_session *session);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
@ -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
|
|
Loading…
Reference in New Issue