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https://github.com/hyprwm/wlroots-hyprland.git
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6b7f5e4010
This improves the way the output numbers are handled for the noop backend. Instead of using the number of active outputs plus one, the last used number is stored and new outputs will increment it. This fixes the situation where you start with one output, create a second, close the first, and create a third. Without this, both outputs will be NOOP-2, which causes an issue since the identifier will also be identical. With this, the last output is NOOP-3 and the outputs can be distinguished.
75 lines
2.1 KiB
C
75 lines
2.1 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 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 void output_transform(struct wlr_output *wlr_output,
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enum wl_output_transform transform) {
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// empty
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}
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static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age) {
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return true;
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}
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static bool output_swap_buffers(struct wlr_output *wlr_output,
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pixman_region32_t *damage) {
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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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.transform = output_transform,
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.destroy = output_destroy,
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.make_current = output_make_current,
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.swap_buffers = output_swap_buffers,
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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-%ld",
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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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