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backend: use global output name counters

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The output names must be globally unique per the Wayland spec, even
if the compositor creates multiple backends of the same kind.
This commit is contained in:
Simon Ser 2022-10-13 13:12:43 +02:00
parent 11192e6930
commit a28caf08e3
6 changed files with 18 additions and 12 deletions
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9
backend/wayland/output.c
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@ -32,6 +32,8 @@ static const uint32_t SUPPORTED_OUTPUT_STATE =
WLR_OUTPUT_STATE_MODE |
WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED;
static size_t last_output_num = 0;
static struct wlr_wl_output *get_wl_output_from_output(
struct wlr_output *wlr_output) {
assert(wlr_output_is_wl(wlr_output));
@ -525,13 +527,14 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *wlr_backend) {
wlr_output->adaptive_sync_status = WLR_OUTPUT_ADAPTIVE_SYNC_ENABLED;
size_t output_num = ++last_output_num;
char name[64];
snprintf(name, sizeof(name), "WL-%zu", ++backend->last_output_num);
snprintf(name, sizeof(name), "WL-%zu", output_num);
wlr_output_set_name(wlr_output, name);
char description[128];
snprintf(description, sizeof(description),
"Wayland output %zu", backend->last_output_num);
snprintf(description, sizeof(description), "Wayland output %zu", output_num);
wlr_output_set_description(wlr_output, description);
output->backend = backend;