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-rw-r--r--backend/headless/output.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/backend/headless/output.c b/backend/headless/output.c
index 5350747f..965314d2 100644
--- a/backend/headless/output.c
+++ b/backend/headless/output.c
@@ -10,6 +10,8 @@ static const uint32_t SUPPORTED_OUTPUT_STATE =
WLR_OUTPUT_STATE_BUFFER |
WLR_OUTPUT_STATE_MODE;
+static size_t last_output_num = 0;
+
static struct wlr_headless_output *headless_output_from_output(
struct wlr_output *wlr_output) {
assert(wlr_output_is_headless(wlr_output));
@@ -116,13 +118,14 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
output_set_custom_mode(output, width, height, 0);
+ size_t output_num = ++last_output_num;
+
char name[64];
- snprintf(name, sizeof(name), "HEADLESS-%zu", ++backend->last_output_num);
+ snprintf(name, sizeof(name), "HEADLESS-%zu", output_num);
wlr_output_set_name(wlr_output, name);
char description[128];
- snprintf(description, sizeof(description),
- "Headless output %zu", backend->last_output_num);
+ snprintf(description, sizeof(description), "Headless output %zu", output_num);
wlr_output_set_description(wlr_output, description);
struct wl_event_loop *ev = wl_display_get_event_loop(backend->display);