From b697fe555bdf7ac7a777b0997353e5151ca995a7 Mon Sep 17 00:00:00 2001
From: Martin Stransky <stransky@redhat.com>
Date: Thu, 19 Sep 2019 15:14:15 +0200
Subject: [PATCH] Updated cache-missing strategy for Wayland image cache.

---
 firefox-wayland-cache-missing.patch | 21 +++++++++++++++++++++
 firefox.spec                        |  9 +++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 firefox-wayland-cache-missing.patch

diff --git a/firefox-wayland-cache-missing.patch b/firefox-wayland-cache-missing.patch
new file mode 100644
index 0000000..8d665b5
--- /dev/null
+++ b/firefox-wayland-cache-missing.patch
@@ -0,0 +1,21 @@
+diff -up firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp.old firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp
+--- firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp.old	2019-09-19 15:05:13.586437024 +0200
++++ firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp	2019-09-19 15:09:39.649079248 +0200
+@@ -836,8 +836,15 @@ already_AddRefed<gfx::DrawTarget> Window
+     mBufferScreenRect = lockedScreenRect;
+   }
+ 
+-  mDrawToWaylandBufferDirectly =
+-      (windowRedraw || mRenderingCacheMode != CACHE_ALL);
++  if (mRenderingCacheMode == CACHE_ALL) {
++    mDrawToWaylandBufferDirectly = windowRedraw;
++  } else if (mRenderingCacheMode == CACHE_MISSING) {
++    mDrawToWaylandBufferDirectly = windowRedraw ||
++      ((lockSize.width*3 > lockedScreenRect.width &&
++       lockSize.height*3 > lockedScreenRect.height));
++  } else {
++    mDrawToWaylandBufferDirectly = true;
++  }
+ 
+   if (mDrawToWaylandBufferDirectly) {
+     LOGWAYLAND(("   Direct drawing\n"));
diff --git a/firefox.spec b/firefox.spec
index 38fed32..abf3618 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -94,7 +94,7 @@ ExcludeArch: ppc64le
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        69.0.1
-Release:        2%{?pre_tag}%{?dist}
+Release:        3%{?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
@@ -170,6 +170,7 @@ Patch586:        mozilla-1579823.patch
 Patch587:        mozilla-1580152.patch
 Patch588:        mozilla-1581748.patch
 Patch589:        mozilla-1577024.patch
+Patch590:        firefox-wayland-cache-missing.patch
 
 # PGO/LTO patches
 Patch600:        pgo.patch
@@ -395,6 +396,7 @@ This package contains results of tests executed during build.
 %patch587 -p1 -b .mozilla-1580152
 %patch588 -p1 -b .mozilla-1581748
 %patch589 -p1 -b .mozilla-1577024
+%patch590 -p1 -b .cache-missing
 
 # PGO patches
 %patch600 -p1 -b .pgo
@@ -979,7 +981,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Thu Sep 18 2019 Martin Stransky <stransky@redhat.com> - 69.0.1-2
+* Thu Sep 19 2019 Martin Stransky <stransky@redhat.com> - 69.0.1-3
+- Updated cache-missing strategy for Wayland image cache.
+
+* Thu Sep 19 2019 Martin Stransky <stransky@redhat.com> - 69.0.1-2
 - Do PGO builds with X11 backend.
 
 * Wed Sep 18 2019 Martin Stransky <stransky@redhat.com> - 69.0.1-1