mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-23 18:39:48 +01:00
9b4be5a595
The noop backend is similar to headless, but it doesn't contain a renderer. It can be used as a place to stash views for when there's no physical outputs connected.
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <wlr/interfaces/wlr_output.h>
|
|
#include <wlr/util/log.h>
|
|
#include "backend/noop.h"
|
|
#include "util/signal.h"
|
|
|
|
static struct wlr_noop_output *noop_output_from_output(
|
|
struct wlr_output *wlr_output) {
|
|
assert(wlr_output_is_noop(wlr_output));
|
|
return (struct wlr_noop_output *)wlr_output;
|
|
}
|
|
|
|
static void output_transform(struct wlr_output *wlr_output,
|
|
enum wl_output_transform transform) {
|
|
// empty
|
|
}
|
|
|
|
static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age) {
|
|
return true;
|
|
}
|
|
|
|
static bool output_swap_buffers(struct wlr_output *wlr_output,
|
|
pixman_region32_t *damage) {
|
|
return true;
|
|
}
|
|
|
|
static void output_destroy(struct wlr_output *wlr_output) {
|
|
struct wlr_noop_output *output =
|
|
noop_output_from_output(wlr_output);
|
|
|
|
wl_list_remove(&output->link);
|
|
|
|
free(output);
|
|
}
|
|
|
|
static const struct wlr_output_impl output_impl = {
|
|
.transform = output_transform,
|
|
.destroy = output_destroy,
|
|
.make_current = output_make_current,
|
|
.swap_buffers = output_swap_buffers,
|
|
};
|
|
|
|
bool wlr_output_is_noop(struct wlr_output *wlr_output) {
|
|
return wlr_output->impl == &output_impl;
|
|
}
|
|
|
|
struct wlr_output *wlr_noop_add_output(struct wlr_backend *wlr_backend) {
|
|
struct wlr_noop_backend *backend = noop_backend_from_backend(wlr_backend);
|
|
|
|
struct wlr_noop_output *output = calloc(1, sizeof(struct wlr_noop_output));
|
|
if (output == NULL) {
|
|
wlr_log(WLR_ERROR, "Failed to allocate wlr_noop_output");
|
|
return NULL;
|
|
}
|
|
output->backend = backend;
|
|
wlr_output_init(&output->wlr_output, &backend->backend, &output_impl,
|
|
backend->display);
|
|
struct wlr_output *wlr_output = &output->wlr_output;
|
|
|
|
strncpy(wlr_output->make, "noop", sizeof(wlr_output->make));
|
|
strncpy(wlr_output->model, "noop", sizeof(wlr_output->model));
|
|
snprintf(wlr_output->name, sizeof(wlr_output->name), "NOOP-%d",
|
|
wl_list_length(&backend->outputs) + 1);
|
|
|
|
wl_list_insert(&backend->outputs, &output->link);
|
|
|
|
if (backend->started) {
|
|
wlr_output_update_enabled(wlr_output, true);
|
|
wlr_signal_emit_safe(&backend->backend.events.new_output, wlr_output);
|
|
}
|
|
|
|
return wlr_output;
|
|
}
|