1db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block/* 22fc2651226baac27029e38c9d6ef883fa32084dbSteve Block * Copyright (C) 2011 Apple Inc. All rights reserved. 3db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 4db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * Redistribution and use in source and binary forms, with or without 5db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * modification, are permitted provided that the following conditions 6db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * are met: 7db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 1. Redistributions of source code must retain the above copyright 8db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * notice, this list of conditions and the following disclaimer. 9db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 2. Redistributions in binary form must reproduce the above copyright 10db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * notice, this list of conditions and the following disclaimer in the 11db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * documentation and/or other materials provided with the distribution. 12db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * 13db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block * THE POSSIBILITY OF SUCH DAMAGE. 24db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block */ 25db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block 262fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#ifndef LayerTreeContext_h 272fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#define LayerTreeContext_h 282fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 292fc2651226baac27029e38c9d6ef883fa32084dbSteve Blocknamespace CoreIPC { 302fc2651226baac27029e38c9d6ef883fa32084dbSteve Block class ArgumentDecoder; 312fc2651226baac27029e38c9d6ef883fa32084dbSteve Block class ArgumentEncoder; 322fc2651226baac27029e38c9d6ef883fa32084dbSteve Block} 33dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch 342bde8e466a4451c7319e3a072d118917957d6554Steve Block#if USE(ACCELERATED_COMPOSITING) 352bde8e466a4451c7319e3a072d118917957d6554Steve Block 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 382fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockclass LayerTreeContext { 392fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockpublic: 402fc2651226baac27029e38c9d6ef883fa32084dbSteve Block LayerTreeContext(); 412fc2651226baac27029e38c9d6ef883fa32084dbSteve Block ~LayerTreeContext(); 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 432fc2651226baac27029e38c9d6ef883fa32084dbSteve Block void encode(CoreIPC::ArgumentEncoder*) const; 442fc2651226baac27029e38c9d6ef883fa32084dbSteve Block static bool decode(CoreIPC::ArgumentDecoder*, LayerTreeContext&); 452fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 462fc2651226baac27029e38c9d6ef883fa32084dbSteve Block bool isEmpty() const; 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 482fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#if PLATFORM(MAC) 492fc2651226baac27029e38c9d6ef883fa32084dbSteve Block uint32_t contextID; 502fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#endif 512fc2651226baac27029e38c9d6ef883fa32084dbSteve Block}; 522fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 532fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockbool operator==(const LayerTreeContext&, const LayerTreeContext&); 542fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 552fc2651226baac27029e38c9d6ef883fa32084dbSteve Blockinline bool operator!=(const LayerTreeContext& a, const LayerTreeContext& b) 562fc2651226baac27029e38c9d6ef883fa32084dbSteve Block{ 572fc2651226baac27029e38c9d6ef883fa32084dbSteve Block return !(a == b); 58dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch} 59db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block 602fc2651226baac27029e38c9d6ef883fa32084dbSteve Block}; 612fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 622fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#endif // USE(ACCELERATED_COMPOSITING) 632fc2651226baac27029e38c9d6ef883fa32084dbSteve Block 642fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#endif // LayerTreeContext_h 65