compositor: Flush surface damage to surface below on destroy
When we destroy a surface, we damage the surface below so that the area exposed by the disappearing surface will be repainted. However, if that surface also is destroyed, the damage information is lost and we fail to repaint that area. This commit introduces weston_surface_flush_damage(), which flushes the surface damage the the surface below when a surface is destroyed. When multiple surfaces are destroyed at the same time, the damage now accumulates and sinks down through the surface stack as it should.
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parent
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@ -287,6 +287,21 @@ weston_surface_damage_below(struct weston_surface *surface)
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weston_compositor_schedule_repaint(surface->compositor);
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weston_compositor_schedule_repaint(surface->compositor);
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}
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}
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static void
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weston_surface_flush_damage(struct weston_surface *surface)
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{
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struct weston_surface *below;
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if (surface->output &&
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surface->link.next != &surface->compositor->surface_list) {
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below = container_of(surface->link.next,
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struct weston_surface, link);
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pixman_region32_union(&below->damage,
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&below->damage, &surface->damage);
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}
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}
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WL_EXPORT void
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WL_EXPORT void
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weston_surface_configure(struct weston_surface *surface,
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weston_surface_configure(struct weston_surface *surface,
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int x, int y, int width, int height)
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int x, int y, int width, int height)
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@ -376,6 +391,7 @@ destroy_surface(struct wl_resource *resource)
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struct weston_compositor *compositor = surface->compositor;
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struct weston_compositor *compositor = surface->compositor;
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weston_surface_damage_below(surface);
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weston_surface_damage_below(surface);
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weston_surface_flush_damage(surface);
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wl_list_remove(&surface->link);
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wl_list_remove(&surface->link);
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weston_compositor_repick(compositor);
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weston_compositor_repick(compositor);
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