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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CompositingState_h
#define CompositingState_h
namespace WebCore {
enum CompositingState {
// The layer paints into its enclosing composited ancestor.
NotComposited = 0,
// The layer is composited, but its contents still paint into enclosing composited ancestor.
// In this state, repaint invalidations must be sent to the enclosing composited ancestor.
// Typically this happens when a layer's properties need to be represented in the compositor
// output data structures, but it doesn't actually have any other reasons to be composited.
HasOwnBackingButPaintsIntoAncestor = 1,
PaintsIntoOwnBacking = 2,
// In this state, the RenderLayer subtree paints into a backing that is shared by
// several RenderLayer subtrees.
PaintsIntoGroupedBacking = 3
};
} // namespace WebCore
#endif // CompositingState_h
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