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140 lines
3.4 KiB
140 lines
3.4 KiB
#include <wayland-server.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <libinput.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/drm.h>
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//#include <wlr/backend/libinput.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/util/log.h>
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#include "backend/udev.h"
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void wlr_backend_create(struct wlr_backend *backend,
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const struct wlr_backend_impl *impl) {
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assert(backend);
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backend->impl = impl;
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wl_signal_init(&backend->events.input_add);
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wl_signal_init(&backend->events.input_remove);
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wl_signal_init(&backend->events.output_add);
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wl_signal_init(&backend->events.output_remove);
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}
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bool wlr_backend_init(struct wlr_backend *backend) {
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if (backend->impl->init) {
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return backend->impl->init(backend);
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}
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return true;
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}
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void wlr_backend_destroy(struct wlr_backend *backend) {
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if (backend->impl->destroy) {
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backend->impl->destroy(backend);
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}
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}
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struct wlr_egl *wlr_backend_get_egl(struct wlr_backend *backend) {
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if (backend->impl->get_egl) {
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return backend->impl->get_egl(backend);
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}
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return NULL;
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}
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static struct wlr_backend *attempt_wl_backend(struct wl_display *display) {
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struct wlr_backend *backend = wlr_wl_backend_create(display);
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if (backend) {
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int outputs = 1;
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const char *_outputs = getenv("WLR_WL_OUTPUTS");
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if (_outputs) {
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char *end;
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outputs = (int)strtol(_outputs, &end, 10);
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if (*end) {
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wlr_log(L_ERROR, "WLR_WL_OUTPUTS specified with invalid integer, ignoring");
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outputs = 1;
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} else if (outputs < 0) {
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wlr_log(L_ERROR, "WLR_WL_OUTPUTS specified with negative outputs, ignoring");
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outputs = 1;
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}
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}
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while (outputs--) {
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wlr_wl_output_create(backend);
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}
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}
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return backend;
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}
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struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
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struct wlr_backend *backend;
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if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY")) {
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backend = attempt_wl_backend(display);
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if (backend) {
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return backend;
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}
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}
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return NULL;
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// if (getenv("DISPLAY")) {
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// wlr_log(L_ERROR, "X11 backend is not implemented"); // TODO
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// return NULL;
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// }
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//
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// // Attempt DRM+libinput
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//
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// struct wlr_session *session = wlr_session_start(display);
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// if (!session) {
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// wlr_log(L_ERROR, "Failed to start a DRM session");
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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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// if (!udev) {
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// wlr_log(L_ERROR, "Failed to start udev");
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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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// 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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//
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// backend = wlr_multi_backend_create(session, udev);
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// if (!backend) {
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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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// if (!libinput) {
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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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// if (!drm) {
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// goto error_libinput;
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// }
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//
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// wlr_multi_backend_add(backend, libinput);
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// wlr_multi_backend_add(backend, drm);
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// return backend;
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//
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//error_libinput:
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// wlr_backend_destroy(libinput);
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//error_multi:
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// wlr_backend_destroy(backend);
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//error_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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// wlr_session_finish(session);
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// return NULL;
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}
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//struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev) {
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// return dev->state->handle;
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//}
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