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wayland: Schedule a clock tick instead of wl_surface_commit()ting directly

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Instead of possibly calling wl_surface_commit() out of
GdkFrameClock::after-paint, tick the transient parent clock so ::after-paint
can be eventually run.

This ensures that the subsurface coordinates (considered part of the state
of the parent) aren't committed untimely, and guaranteed to be orderly with
the wl_subsurface-relative state.

This is a gtk-side fix for https://bugzilla.gnome.org/show_bug.cgi?id=738887
This commit is contained in:
Carlos Garnacho 2014-11-04 19:26:25 +01:00
parent 964abf7423
commit af6eab850e
1 changed files with 27 additions and 8 deletions
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35
gdk/wayland/gdkwindow-wayland.c
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@ -1283,6 +1283,32 @@ gdk_window_wayland_restack_toplevel (GdkWindow *window,
{
}
static void
gdk_window_request_transient_parent_commit (GdkWindow *window)
{
GdkWindowImplWayland *window_impl, *impl;
GdkFrameClock *frame_clock;
window_impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
if (!window_impl->transient_for)
return;
impl = GDK_WINDOW_IMPL_WAYLAND (window_impl->transient_for->impl);
if (!impl->surface || impl->pending_commit)
return;
frame_clock = gdk_window_get_frame_clock (window_impl->transient_for);
if (!frame_clock)
return;
impl->pending_commit = TRUE;
gdk_frame_clock_request_phase (frame_clock,
GDK_FRAME_CLOCK_PHASE_AFTER_PAINT);
}
static void
gdk_window_wayland_move_resize (GdkWindow *window,
gboolean with_move,
@ -1305,15 +1331,8 @@ gdk_window_wayland_move_resize (GdkWindow *window,
if (impl->subsurface)
{
GdkWindowImplWayland *parent_impl;
wl_subsurface_set_position (impl->subsurface, x, y);
g_assert (impl->transient_for != NULL);
parent_impl = GDK_WINDOW_IMPL_WAYLAND (impl->transient_for->impl);
if (parent_impl->surface && !parent_impl->pending_commit)
wl_surface_commit (parent_impl->surface);
gdk_window_request_transient_parent_commit (window);
}
}
}