mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 11:55:59 +01:00
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
#include <assert.h>
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#include <stdio.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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static const uint32_t SUPPORTED_OUTPUT_STATE =
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WLR_OUTPUT_STATE_BACKEND_OPTIONAL |
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WLR_OUTPUT_STATE_MODE;
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static struct wlr_noop_output *noop_output_from_output(
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struct wlr_output *wlr_output) {
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assert(wlr_output_is_noop(wlr_output));
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return (struct wlr_noop_output *)wlr_output;
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}
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static bool output_commit(struct wlr_output *wlr_output) {
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uint32_t unsupported =
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wlr_output->pending.committed & ~SUPPORTED_OUTPUT_STATE;
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if (unsupported != 0) {
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wlr_log(WLR_DEBUG, "Unsupported output state fields: 0x%"PRIx32,
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unsupported);
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return false;
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}
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if (wlr_output->pending.committed & WLR_OUTPUT_STATE_MODE) {
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assert(wlr_output->pending.mode_type == WLR_OUTPUT_STATE_MODE_CUSTOM);
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wlr_output_update_custom_mode(wlr_output,
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wlr_output->pending.custom_mode.width,
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wlr_output->pending.custom_mode.height,
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wlr_output->pending.custom_mode.refresh);
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}
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if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
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return false;
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}
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return true;
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}
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static void output_destroy(struct wlr_output *wlr_output) {
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struct wlr_noop_output *output =
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noop_output_from_output(wlr_output);
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wl_list_remove(&output->link);
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free(output);
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}
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static const struct wlr_output_impl output_impl = {
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.destroy = output_destroy,
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.commit = output_commit,
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};
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bool wlr_output_is_noop(struct wlr_output *wlr_output) {
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return wlr_output->impl == &output_impl;
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}
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struct wlr_output *wlr_noop_add_output(struct wlr_backend *wlr_backend) {
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struct wlr_noop_backend *backend = noop_backend_from_backend(wlr_backend);
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struct wlr_noop_output *output = calloc(1, sizeof(struct wlr_noop_output));
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if (output == NULL) {
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wlr_log(WLR_ERROR, "Failed to allocate wlr_noop_output");
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return NULL;
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}
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output->backend = backend;
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wlr_output_init(&output->wlr_output, &backend->backend, &output_impl,
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backend->display);
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struct wlr_output *wlr_output = &output->wlr_output;
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strncpy(wlr_output->make, "noop", sizeof(wlr_output->make));
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strncpy(wlr_output->model, "noop", sizeof(wlr_output->model));
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snprintf(wlr_output->name, sizeof(wlr_output->name), "NOOP-%zd",
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++backend->last_output_num);
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wl_list_insert(&backend->outputs, &output->link);
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if (backend->started) {
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wlr_output_update_enabled(wlr_output, true);
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wlr_signal_emit_safe(&backend->backend.events.new_output, wlr_output);
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}
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return wlr_output;
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}
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