| /* |
| * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights reserved. |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| * Copyright (C) 2012 Samsung Electronics. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef CompositingTriggers_h |
| #define CompositingTriggers_h |
| |
| namespace WebCore { |
| |
| enum CompositingTrigger { |
| VideoTrigger = 1 << 1, |
| CanvasTrigger = 1 << 3, |
| FilterTrigger = 1 << 5, |
| ScrollableInnerFrameTrigger = 1 << 6, |
| GPURasterizationTrigger = 1 << 7, |
| |
| // FIXME: This is a temporary trigger for enabling the old, opt-in path for |
| // accelerated overflow scroll. It should be removed once the "universal" |
| // path is ready (crbug.com/254111). |
| // Currently there is no way to enable this trigger, which means we can |
| // remove it once we're confident in the current codepaths. |
| LegacyOverflowScrollTrigger = 1 << 8, |
| |
| OverflowScrollTrigger = 1 << 9, |
| ViewportConstrainedPositionedTrigger = 1 << 10, |
| AllCompositingTriggers = 0xFFFFFFFF, |
| }; |
| |
| typedef unsigned CompositingTriggerFlags; |
| |
| } |
| |
| #endif |