Added fix for mozbz#1196777

1 files changed, 44 insertions, 0 deletions

diff --git a/mozilla-1620973.patch b/mozilla-1620973.patch
new file mode 100644
index 0000000..a836150
--- /dev/null
+++ b/mozilla-1620973.patch
@@ -0,0 +1,44 @@
+diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
+--- a/modules/libpref/init/all.js
++++ b/modules/libpref/init/all.js
+@@ -4018,6 +4018,7 @@
+ #endif
+ #ifdef MOZ_WAYLAND
+   pref("widget.wayland_vsync.enabled", false);
++  pref("widget.wayland.use-opaque-region", true);
+ #endif
+ 
+ // All the Geolocation preferences are here.
+diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
+--- a/widget/gtk/nsWindow.cpp
++++ b/widget/gtk/nsWindow.cpp
+@@ -333,6 +333,7 @@
+ static bool gGlobalsInitialized = false;
+ static bool gRaiseWindows = true;
+ static bool gUseWaylandVsync = false;
++static bool gUseWaylandUseOpaqueRegion = true;
+ static GList* gVisibleWaylandPopupWindows = nullptr;
+ 
+ #if GTK_CHECK_VERSION(3, 4, 0)
+@@ -4955,6 +4956,10 @@
+ }
+ 
+ void nsWindow::UpdateTopLevelOpaqueRegionWayland(bool aSubtractCorners) {
++  if (!gUseWaylandUseOpaqueRegion) {
++    return;
++  }
++
+   wl_surface* surface = moz_gtk_widget_get_wl_surface(GTK_WIDGET(mShell));
+   if (!surface) {
+     return;
+@@ -6690,6 +6695,9 @@
+       Preferences::GetBool("mozilla.widget.raise-on-setfocus", true);
+   gUseWaylandVsync =
+       Preferences::GetBool("widget.wayland_vsync.enabled", false);
++  gUseWaylandUseOpaqueRegion =
++      Preferences::GetBool("widget.wayland.use-opaque-region", true);
++
+   return NS_OK;
+ }
+ 
+