From 25a13aa0dcdd8b60f5e49d8a783840fd17cdea8b Mon Sep 17 00:00:00 2001
From: Martin Stransky <stransky@redhat.com>
Date: Wed, 11 Sep 2019 14:47:20 +0200
Subject: Added fix for mozbz#1579849 - partial screen update when page
 switches

---
 firefox.spec          |  8 +++++++-
 mozilla-1579849.patch | 14 ++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 mozilla-1579849.patch

diff --git a/firefox.spec b/firefox.spec
index e23bf3b..9e929a5 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -94,7 +94,7 @@ ExcludeArch: ppc64le
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        69.0
-Release:        4%{?pre_tag}%{?dist}
+Release:        5%{?pre_tag}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@@ -164,6 +164,7 @@ Patch581:        mozilla-1574036.patch
 Patch582:        mozilla-1576268.patch
 Patch583:        mozilla-1579794-1.patch
 Patch584:        mozilla-1579794-2.patch
+Patch585:        mozilla-1579849.patch
 
 # PGO/LTO patches
 Patch600:        pgo.patch
@@ -380,6 +381,7 @@ This package contains results of tests executed during build.
 %patch582 -p1 -b .mozilla-1576268
 %patch583 -p1 -b .mozilla-1579794-1
 %patch584 -p1 -b .mozilla-1579794-2
+%patch585 -p1 -b .mozilla-1579849
 
 # PGO patches
 %patch600 -p1 -b .pgo
@@ -956,6 +958,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed Sep 11 2019 Martin Stransky <stransky@redhat.com> - 69.0-5
+- Added fix for mozbz#1579849 - partial screen update when
+  page switches.
+
 * Wed Sep 11 2019 Martin Stransky <stransky@redhat.com> - 69.0-4
 - Added fix for mozbz#1579794 - Flickering on video playback on
   4k/HiDPI displays.
diff --git a/mozilla-1579849.patch b/mozilla-1579849.patch
new file mode 100644
index 0000000..fb3e8c2
--- /dev/null
+++ b/mozilla-1579849.patch
@@ -0,0 +1,14 @@
+diff -up firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp.old firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp
+--- firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp.old	2019-09-11 14:34:36.687382704 +0200
++++ firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp	2019-09-11 14:39:02.000391578 +0200
+@@ -751,6 +751,10 @@ static bool IsPopupFullScreenUpdate(Layo
+ already_AddRefed<gfx::DrawTarget> WindowSurfaceWayland::Lock(
+     const LayoutDeviceIntRegion& aRegion) {
+   MOZ_ASSERT(mIsMainThread == NS_IsMainThread());
++  
++  // Disable all commits from frame callback handler and delayed comit handler
++  // as we're updated by gecko compositor.
++  mPendingCommit = false;
+ 
+   LayoutDeviceIntRect lockedScreenRect = mWindow->GetBounds();
+   gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
-- 
cgit