mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 11:55:59 +01:00
7ec5bf6b10
This new functions cleans up the common backend state. While this currently only emits the destroy signal, this will also clean up the renderer and allocator in upcoming patches.
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/util/log.h>
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#include "backend/noop.h"
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#include "util/signal.h"
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struct wlr_noop_backend *noop_backend_from_backend(
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struct wlr_backend *wlr_backend) {
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assert(wlr_backend_is_noop(wlr_backend));
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return (struct wlr_noop_backend *)wlr_backend;
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}
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static bool backend_start(struct wlr_backend *wlr_backend) {
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struct wlr_noop_backend *backend = noop_backend_from_backend(wlr_backend);
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wlr_log(WLR_INFO, "Starting noop backend");
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struct wlr_noop_output *output;
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wl_list_for_each(output, &backend->outputs, link) {
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wlr_output_update_enabled(&output->wlr_output, true);
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wlr_signal_emit_safe(&backend->backend.events.new_output,
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&output->wlr_output);
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}
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backend->started = true;
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return true;
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}
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static void backend_destroy(struct wlr_backend *wlr_backend) {
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struct wlr_noop_backend *backend = noop_backend_from_backend(wlr_backend);
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if (!wlr_backend) {
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return;
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}
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struct wlr_noop_output *output, *output_tmp;
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wl_list_for_each_safe(output, output_tmp, &backend->outputs, link) {
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wlr_output_destroy(&output->wlr_output);
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}
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wlr_backend_finish(wlr_backend);
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wl_list_remove(&backend->display_destroy.link);
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free(backend);
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}
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static const struct wlr_backend_impl backend_impl = {
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.start = backend_start,
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.destroy = backend_destroy,
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};
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_noop_backend *noop =
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wl_container_of(listener, noop, display_destroy);
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backend_destroy(&noop->backend);
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}
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struct wlr_backend *wlr_noop_backend_create(struct wl_display *display) {
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wlr_log(WLR_INFO, "Creating noop backend");
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struct wlr_noop_backend *backend =
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calloc(1, sizeof(struct wlr_noop_backend));
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if (!backend) {
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wlr_log(WLR_ERROR, "Failed to allocate wlr_noop_backend");
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return NULL;
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}
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wlr_backend_init(&backend->backend, &backend_impl);
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backend->display = display;
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wl_list_init(&backend->outputs);
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backend->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &backend->display_destroy);
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return &backend->backend;
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}
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bool wlr_backend_is_noop(struct wlr_backend *backend) {
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return backend->impl == &backend_impl;
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}
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