1 files changed, 69 insertions, 0 deletions
diff --git a/mozilla-1609538.patch b/mozilla-1609538.patch
new file mode 100644
index 0000000..eb108db
--- /dev/null
+++ b/mozilla-1609538.patch
@@ -0,0 +1,69 @@
+diff -up firefox-74.0/widget/gtk/mozcontainer.cpp.mozilla-1609538 firefox-74.0/widget/gtk/mozcontainer.cpp
+--- firefox-74.0/widget/gtk/mozcontainer.cpp.mozilla-1609538	2020-03-02 23:04:56.000000000 +0100
++++ firefox-74.0/widget/gtk/mozcontainer.cpp	2020-03-04 12:26:05.561668537 +0100
+@@ -164,13 +164,15 @@ void moz_container_move(MozContainer* co
+ 
+   // wl_subsurface_set_position is actually property of parent surface
+   // which is effective when parent surface is commited.
+-  wl_surface* parent_surface =
+-      moz_gtk_widget_get_wl_surface(GTK_WIDGET(container));
+-  if (parent_surface) {
+-    wl_subsurface_set_position(container->subsurface, container->subsurface_dx,
+-                               container->subsurface_dy);
+-    wl_surface_commit(parent_surface);
+-    container->surface_position_needs_update = false;
++  wl_subsurface_set_position(container->subsurface, container->subsurface_dx,
++                             container->subsurface_dy);
++  container->surface_position_needs_update = false;
++
++  GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(container));
++  if (window) {
++    GdkRectangle rect = (GdkRectangle){.width = gdk_window_get_width(window),
++                                       .height = gdk_window_get_height(window)};
++    gdk_window_invalidate_rect(window, &rect, false);
+   }
+ }
+ 
+@@ -575,11 +577,15 @@ static void moz_container_set_opaque_reg
+   gtk_widget_get_allocation(GTK_WIDGET(container), &allocation);
+ 
+   // Set region to mozcontainer which does not have any offset
+-  wl_region* region =
+-      CreateOpaqueRegionWayland(0, 0, allocation.width, allocation.height,
+-                                container->opaque_region_subtract_corners);
+-  wl_surface_set_opaque_region(container->surface, region);
+-  wl_region_destroy(region);
++  if (container->opaque_region_subtract_corners) {
++    wl_region* region =
++        CreateOpaqueRegionWayland(0, 0, allocation.width, allocation.height,
++                                  container->opaque_region_subtract_corners);
++    wl_surface_set_opaque_region(container->surface, region);
++    wl_region_destroy(region);
++  } else {
++    wl_surface_set_opaque_region(container->surface, nullptr);
++  }
+ }
+ 
+ struct wl_surface* moz_container_get_wl_surface(MozContainer* container) {
+diff -up firefox-74.0/widget/gtk/nsWindow.cpp.mozilla-1609538 firefox-74.0/widget/gtk/nsWindow.cpp
+--- firefox-74.0/widget/gtk/nsWindow.cpp.mozilla-1609538	2020-03-04 12:23:34.365414768 +0100
++++ firefox-74.0/widget/gtk/nsWindow.cpp	2020-03-04 12:23:34.368414793 +0100
+@@ -4866,10 +4866,14 @@ void nsWindow::UpdateTopLevelOpaqueRegio
+     return;
+   }
+ 
+-  wl_region* region =
+-      CreateOpaqueRegionWayland(x, y, width, height, aSubtractCorners);
+-  wl_surface_set_opaque_region(surface, region);
+-  wl_region_destroy(region);
++  if (!aSubtractCorners) {
++    wl_region* region =
++        CreateOpaqueRegionWayland(x, y, width, height, aSubtractCorners);
++    wl_surface_set_opaque_region(surface, region);
++    wl_region_destroy(region);
++  } else {
++    wl_surface_set_opaque_region(surface, nullptr);
++  }
+ 
+   GdkWindow* window = gtk_widget_get_window(mShell);
+   if (window) {