Add note about XInitThreads()

1 files changed, 1 insertions, 0 deletions

diff --git a/main.c b/main.c
index a0d8b39..bc1c36a 100644
--- a/main.c
+++ b/main.c
@@ -668,6 +668,7 @@ PuglStatus onEvent(PuglView *view, const PuglEvent *e)
 int main()
 {
 #if defined(__linux__)
+	/* The Mesa Vulkan drivers require this to be called */
 	XInitThreads();
 #endif
 	const char *errMsg = NULL;