Add -Dnoscanout debug option

This can help debugging direct scan-out issues, such as [1].

[1]: https://github.com/swaywm/wlroots/issues/3185

1 files changed, 2 insertions, 0 deletions

diff --git a/sway/main.c b/sway/main.c
index 0611e80b..e960c4e2 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -182,6 +182,8 @@ void enable_debug_flag(const char *flag) {
                 debug.txn_timings = true;
         } else if (strncmp(flag, "txn-timeout=", 12) == 0) {
                 server.txn_timeout_ms = atoi(&flag[12]);
+        } else if (strcmp(flag, "noscanout") == 0) {
+                debug.noscanout = true;
         } else {
                 sway_log(SWAY_ERROR, "Unknown debug flag: %s", flag);
         }