mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-27 07:05:59 +01:00
146 lines
4.4 KiB
C
146 lines
4.4 KiB
C
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
#include <wayland-server.h>
|
|
#include <wlr/render/egl.h>
|
|
#include <wlr/backend/interface.h>
|
|
#include <wlr/interfaces/wlr_output.h>
|
|
#include <wlr/interfaces/wlr_input_device.h>
|
|
#include <wlr/util/log.h>
|
|
#include "backend/wayland.h"
|
|
#include "xdg-shell-unstable-v6-client-protocol.h"
|
|
|
|
|
|
static int dispatch_events(int fd, uint32_t mask, void *data) {
|
|
struct wlr_wl_backend *backend = data;
|
|
int count = 0;
|
|
if (mask & WL_EVENT_READABLE) {
|
|
count = wl_display_dispatch(backend->remote_display);
|
|
}
|
|
if (mask == 0) {
|
|
count = wl_display_dispatch_pending(backend->remote_display);
|
|
wl_display_flush(backend->remote_display);
|
|
}
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
* Initializes the wayland backend. Opens a connection to a remote wayland
|
|
* compositor and creates surfaces for each output, then registers globals on
|
|
* the specified display.
|
|
*/
|
|
static bool wlr_wl_backend_start(struct wlr_backend *_backend) {
|
|
struct wlr_wl_backend *backend = (struct wlr_wl_backend *)_backend;
|
|
wlr_log(L_INFO, "Initializating wayland backend");
|
|
|
|
wlr_wl_registry_poll(backend);
|
|
if (!(backend->compositor) || (!(backend->shell))) {
|
|
wlr_log_errno(L_ERROR, "Could not obtain retrieve required globals");
|
|
return false;
|
|
}
|
|
|
|
backend->started = true;
|
|
|
|
for (size_t i = 0; i < backend->requested_outputs; ++i) {
|
|
wlr_wl_output_create(&backend->backend);
|
|
}
|
|
|
|
struct wl_event_loop *loop = wl_display_get_event_loop(backend->local_display);
|
|
int fd = wl_display_get_fd(backend->remote_display);
|
|
int events = WL_EVENT_READABLE | WL_EVENT_ERROR |
|
|
WL_EVENT_HANGUP;
|
|
backend->remote_display_src = wl_event_loop_add_fd(loop, fd, events,
|
|
dispatch_events, backend);
|
|
wl_event_source_check(backend->remote_display_src);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void wlr_wl_backend_destroy(struct wlr_backend *_backend) {
|
|
struct wlr_wl_backend *backend = (struct wlr_wl_backend *)_backend;
|
|
if (!_backend) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_wl_backend_output *output, *tmp_output;
|
|
wl_list_for_each_safe(output, tmp_output, &backend->outputs, link) {
|
|
wlr_output_destroy(&output->wlr_output);
|
|
}
|
|
|
|
struct wlr_input_device *input_device, *tmp_input_device;
|
|
wl_list_for_each_safe(input_device, tmp_input_device, &backend->devices, link) {
|
|
wlr_input_device_destroy(input_device);
|
|
}
|
|
|
|
free(backend->seat_name);
|
|
|
|
wl_event_source_remove(backend->remote_display_src);
|
|
wlr_egl_free(&backend->egl);
|
|
if (backend->seat) wl_seat_destroy(backend->seat);
|
|
if (backend->shm) wl_shm_destroy(backend->shm);
|
|
if (backend->shell) zxdg_shell_v6_destroy(backend->shell);
|
|
if (backend->compositor) wl_compositor_destroy(backend->compositor);
|
|
if (backend->registry) wl_registry_destroy(backend->registry);
|
|
if (backend->remote_display) wl_display_disconnect(backend->remote_display);
|
|
free(backend);
|
|
}
|
|
|
|
static struct wlr_egl *wlr_wl_backend_get_egl(struct wlr_backend *_backend) {
|
|
struct wlr_wl_backend *backend = (struct wlr_wl_backend *)_backend;
|
|
return &backend->egl;
|
|
}
|
|
|
|
static struct wlr_backend_impl backend_impl = {
|
|
.start = wlr_wl_backend_start,
|
|
.destroy = wlr_wl_backend_destroy,
|
|
.get_egl = wlr_wl_backend_get_egl
|
|
};
|
|
|
|
bool wlr_backend_is_wl(struct wlr_backend *b) {
|
|
return b->impl == &backend_impl;
|
|
}
|
|
|
|
struct wlr_wl_backend_output *wlr_wl_output_for_surface(
|
|
struct wlr_wl_backend *backend, struct wl_surface *surface) {
|
|
struct wlr_wl_backend_output *output;
|
|
wl_list_for_each(output, &backend->outputs, link) {
|
|
if (output->surface == surface) {
|
|
return output;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
|
|
wlr_log(L_INFO, "Creating wayland backend");
|
|
|
|
struct wlr_wl_backend *backend = calloc(1, sizeof(struct wlr_wl_backend));
|
|
if (!backend) {
|
|
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
|
|
return NULL;
|
|
}
|
|
wlr_backend_init(&backend->backend, &backend_impl);
|
|
|
|
wl_list_init(&backend->devices);
|
|
wl_list_init(&backend->outputs);
|
|
|
|
backend->local_display = display;
|
|
|
|
backend->remote_display = wl_display_connect(NULL);
|
|
if (!backend->remote_display) {
|
|
wlr_log_errno(L_ERROR, "Could not connect to remote display");
|
|
return false;
|
|
}
|
|
|
|
if (!(backend->registry = wl_display_get_registry(backend->remote_display))) {
|
|
wlr_log_errno(L_ERROR, "Could not obtain reference to remote registry");
|
|
return false;
|
|
}
|
|
|
|
wlr_egl_init(&backend->egl, EGL_PLATFORM_WAYLAND_EXT, WL_SHM_FORMAT_ARGB8888, backend->remote_display);
|
|
wlr_egl_bind_display(&backend->egl, backend->local_display);
|
|
|
|
return &backend->backend;
|
|
}
|