firefox/mozilla-1444437.patch

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2018-07-17 06:56:42 +00:00
diff -up firefox-61.0.1/widget/gtk/mozcontainer.cpp.mozilla-1444437 firefox-61.0.1/widget/gtk/mozcontainer.cpp
--- firefox-61.0.1/widget/gtk/mozcontainer.cpp.mozilla-1444437 2018-07-16 16:38:36.059138061 +0200
+++ firefox-61.0.1/widget/gtk/mozcontainer.cpp 2018-07-16 17:04:10.127003844 +0200
@@ -212,6 +212,7 @@ moz_container_init (MozContainer *contai
container->surface = nullptr;
container->subsurface = nullptr;
container->eglwindow = nullptr;
+ container->parent_surface_committed = false;
GdkDisplay *gdk_display = gtk_widget_get_display(GTK_WIDGET(container));
if (GDK_IS_WAYLAND_DISPLAY (gdk_display)) {
@@ -231,6 +232,15 @@ moz_container_init (MozContainer *contai
}
#if defined(MOZ_WAYLAND)
+static void
+moz_container_commited_handler(GdkFrameClock *clock, MozContainer *container)
+{
+ container->parent_surface_committed = true;
+ g_signal_handler_disconnect(clock,
+ container->parent_surface_committed_handler);
+ container->parent_surface_committed_handler = 0;
+}
+
/* We want to draw to GdkWindow owned by mContainer from Compositor thread but
* Gtk+ can be used in main thread only. So we create wayland wl_surface
* and attach it as an overlay to GdkWindow.
@@ -256,6 +266,21 @@ moz_container_map_surface(MozContainer *
if (container->subsurface && container->surface)
return true;
+ if (!container->parent_surface_committed) {
+ if (!container->parent_surface_committed_handler) {
+ GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(container));
+ static auto sGdkWindowGetFrameClock =
+ (GdkFrameClock *(*)(GdkWindow *))
+ dlsym(RTLD_DEFAULT, "gdk_window_get_frame_clock");
+ GdkFrameClock *clock = sGdkWindowGetFrameClock(window);
+ container->parent_surface_committed_handler =
+ g_signal_connect_after(clock, "after-paint",
+ G_CALLBACK(moz_container_commited_handler),
+ container);
+ }
+ return false;
+ }
+
if (!container->surface) {
struct wl_compositor *compositor;
compositor = sGdkWaylandDisplayGetWlCompositor(display);
@@ -298,6 +323,19 @@ moz_container_unmap_surface(MozContainer
g_clear_pointer(&container->eglwindow, wl_egl_window_destroy);
g_clear_pointer(&container->subsurface, wl_subsurface_destroy);
g_clear_pointer(&container->surface, wl_surface_destroy);
+
+ if (container->parent_surface_committed_handler) {
+ static auto sGdkWindowGetFrameClock =
+ (GdkFrameClock *(*)(GdkWindow *))
+ dlsym(RTLD_DEFAULT, "gdk_window_get_frame_clock");
+ GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(container));
+ GdkFrameClock *clock = sGdkWindowGetFrameClock(window);
+
+ g_signal_handler_disconnect(clock,
+ container->parent_surface_committed_handler);
+ container->parent_surface_committed_handler = 0;
+ }
+ container->parent_surface_committed = false;
}
#endif
diff -up firefox-61.0.1/widget/gtk/mozcontainer.h.mozilla-1444437 firefox-61.0.1/widget/gtk/mozcontainer.h
--- firefox-61.0.1/widget/gtk/mozcontainer.h.mozilla-1444437 2018-07-16 16:38:36.059138061 +0200
+++ firefox-61.0.1/widget/gtk/mozcontainer.h 2018-07-16 16:38:36.105138588 +0200
@@ -73,6 +73,8 @@ struct _MozContainer
struct wl_surface *surface;
struct wl_subsurface *subsurface;
struct wl_egl_window *eglwindow;
+ gboolean parent_surface_committed;
+ gulong parent_surface_committed_handler;
#endif
};