From 98fb0212164e7a16dbc01ce0f0dfbcde94f46749 Mon Sep 17 00:00:00 2001
From: Maximilian Seidler <78690852+PointerDilemma@users.noreply.github.com>
Date: Thu, 14 May 2026 16:28:14 +0200
Subject: [PATCH] lockSurface: set eglSwapInterval to 0 (#1015)

Co-authored-by: tmbull <tristan.m.bull@gmail.com>
---
 src/core/LockSurface.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/LockSurface.cpp b/src/core/LockSurface.cpp
index 9ab54ae..cbc990e 100644
--- a/src/core/LockSurface.cpp
+++ b/src/core/LockSurface.cpp
@@ -105,6 +105,11 @@ void CSessionLockSurface::configure(const Vector2D& size_, uint32_t serial_) {
             readyForFrame = false;
             return;
         }
+
+        // When wayland frame callbacks are used directly, eglSwapInterval should be 0,
+        // otherwise eglSwapBuffers may block under some circumstances.
+        g_pEGL->makeCurrent(eglSurface);
+        eglSwapInterval(g_pEGL->eglDisplay, 0);
     }
 
     if (readyForFrame && !(SAMESIZE && SAMESCALE)) {