From 5518711d744f1d412cbfb551718cf684cb701d61 Mon Sep 17 00:00:00 2001
From: stransky <stransky@redhat.com>
Date: Wed, 14 May 2025 05:52:55 +0000
Subject: [PATCH] Bug 1961724 [Linux] Flush GL rendering at
 NativeLayerWaylandRender::NotifySurfaceReady() as we need to have complete GL
 rendering for wl_buffer export r=gw

Differential Revision: https://phabricator.services.mozilla.com/D248989
---
 gfx/layers/NativeLayerWayland.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gfx/layers/NativeLayerWayland.cpp b/gfx/layers/NativeLayerWayland.cpp
index c3429ae826d2..3f3c55810807 100644
--- a/gfx/layers/NativeLayerWayland.cpp
+++ b/gfx/layers/NativeLayerWayland.cpp
@@ -987,6 +987,9 @@ void NativeLayerWaylandRender::NotifySurfaceReady() {
   MOZ_DIAGNOSTIC_ASSERT(!mFrontBuffer);
   MOZ_DIAGNOSTIC_ASSERT(mInProgressBuffer);
   mFrontBuffer = std::move(mInProgressBuffer);
+  if (mSurfacePoolHandle->gl()) {
+    mSurfacePoolHandle->gl()->FlushIfHeavyGLCallsSinceLastFlush();
+  }
 }
 
 void NativeLayerWaylandRender::DiscardBackbuffersLocked(