From 50b0a135a5fce986039bc384d91d55bb76dc66d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@elmindreda.org>
Date: Fri, 13 Mar 2026 14:09:04 +0100
Subject: [PATCH] Wayland: Fix deadlock causing timeout

If the frame was processed by wl_display_dispatch_queue_pending, this
would be treated as no frame having been received.

Oops.

This bug was introduced by fdd14e65b1c29e4e6df875fb5669ec00d6793531.
---
 src/wl_window.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/wl_window.c b/src/wl_window.c
index 22d2f6ee..931d5672 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -2324,8 +2324,11 @@ GLFWbool _glfwWaitForEGLFrameWayland(_GLFWwindow* window)
 
     while (window->wl.egl.callback)
     {
-        while (wl_display_prepare_read_queue(_glfw.wl.display, window->wl.egl.queue) != 0)
+        if (wl_display_prepare_read_queue(_glfw.wl.display, window->wl.egl.queue) != 0)
+        {
             wl_display_dispatch_queue_pending(_glfw.wl.display, window->wl.egl.queue);
+            continue;
+        }
 
         if (!flushDisplay())
         {