mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-29 04:49:49 +01:00
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <wlr/interfaces/wlr_output.h>
|
|
#include <wlr/util/log.h>
|
|
#include "backend/headless.h"
|
|
|
|
struct wlr_headless_backend *headless_backend_from_backend(
|
|
struct wlr_backend *wlr_backend) {
|
|
assert(wlr_backend_is_headless(wlr_backend));
|
|
return (struct wlr_headless_backend *)wlr_backend;
|
|
}
|
|
|
|
static bool backend_start(struct wlr_backend *wlr_backend) {
|
|
struct wlr_headless_backend *backend =
|
|
headless_backend_from_backend(wlr_backend);
|
|
wlr_log(WLR_INFO, "Starting headless backend");
|
|
|
|
struct wlr_headless_output *output;
|
|
wl_list_for_each(output, &backend->outputs, link) {
|
|
wl_event_source_timer_update(output->frame_timer, output->frame_delay);
|
|
wlr_output_update_enabled(&output->wlr_output, true);
|
|
wl_signal_emit_mutable(&backend->backend.events.new_output,
|
|
&output->wlr_output);
|
|
}
|
|
|
|
backend->started = true;
|
|
return true;
|
|
}
|
|
|
|
static void backend_destroy(struct wlr_backend *wlr_backend) {
|
|
struct wlr_headless_backend *backend =
|
|
headless_backend_from_backend(wlr_backend);
|
|
if (!wlr_backend) {
|
|
return;
|
|
}
|
|
|
|
wl_list_remove(&backend->display_destroy.link);
|
|
|
|
struct wlr_headless_output *output, *output_tmp;
|
|
wl_list_for_each_safe(output, output_tmp, &backend->outputs, link) {
|
|
wlr_output_destroy(&output->wlr_output);
|
|
}
|
|
|
|
wlr_backend_finish(wlr_backend);
|
|
|
|
free(backend);
|
|
}
|
|
|
|
static uint32_t get_buffer_caps(struct wlr_backend *wlr_backend) {
|
|
return WLR_BUFFER_CAP_DATA_PTR
|
|
| WLR_BUFFER_CAP_DMABUF
|
|
| WLR_BUFFER_CAP_SHM;
|
|
}
|
|
|
|
static const struct wlr_backend_impl backend_impl = {
|
|
.start = backend_start,
|
|
.destroy = backend_destroy,
|
|
.get_buffer_caps = get_buffer_caps,
|
|
};
|
|
|
|
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
|
struct wlr_headless_backend *backend =
|
|
wl_container_of(listener, backend, display_destroy);
|
|
backend_destroy(&backend->backend);
|
|
}
|
|
|
|
struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
|
|
wlr_log(WLR_INFO, "Creating headless backend");
|
|
|
|
struct wlr_headless_backend *backend =
|
|
calloc(1, sizeof(struct wlr_headless_backend));
|
|
if (!backend) {
|
|
wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend");
|
|
return NULL;
|
|
}
|
|
|
|
wlr_backend_init(&backend->backend, &backend_impl);
|
|
|
|
backend->display = display;
|
|
wl_list_init(&backend->outputs);
|
|
|
|
backend->display_destroy.notify = handle_display_destroy;
|
|
wl_display_add_destroy_listener(display, &backend->display_destroy);
|
|
|
|
return &backend->backend;
|
|
}
|
|
|
|
bool wlr_backend_is_headless(struct wlr_backend *backend) {
|
|
return backend->impl == &backend_impl;
|
|
}
|