From bbb67f2675d2968ea908eb67404251a5c7b65971 Mon Sep 17 00:00:00 2001
From: David Edmundson <kde@davidedmundson.co.uk>
Date: Tue, 8 Jan 2019 15:51:47 +0000
Subject: [PATCH] [plugins/qpa] Commit wl_surface when flipping FBOs

Summary:
Even though the buffer is passed through a side channel some properties
we might use are double-buffered on the surface commit.

Test Plan: Used by unit test InternalWindowTest::testScale in linked commit

Reviewers: #kwin, graesslin

Reviewed By: #kwin, graesslin

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D18085
---
 plugins/qpa/window.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/qpa/window.cpp b/plugins/qpa/window.cpp
index 12431d360b..37ce0e7254 100644
--- a/plugins/qpa/window.cpp
+++ b/plugins/qpa/window.cpp
@@ -148,6 +148,7 @@ QSharedPointer<QOpenGLFramebufferObject> Window::swapFBO()
 {
     auto fbo = m_contentFBO;
     m_contentFBO.clear();
+    m_surface->commit(KWayland::Client::Surface::CommitFlag::None);
     return fbo;
 }