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