1 /* 2 * Copyright (C) 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #include "core/html/canvas/WebGLSharedObject.h" 29 30 #include "core/html/canvas/WebGLContextGroup.h" 31 #include "core/html/canvas/WebGLRenderingContextBase.h" 32 33 namespace blink { 34 35 WebGLSharedObject::WebGLSharedObject(WebGLRenderingContextBase* context) 36 : WebGLObject(context), 37 m_contextGroup(context->contextGroup()) 38 { 39 } 40 41 WebGLSharedObject::~WebGLSharedObject() 42 { 43 if (m_contextGroup) 44 m_contextGroup->removeObject(this); 45 } 46 47 void WebGLSharedObject::detachContextGroup() 48 { 49 detach(); 50 if (m_contextGroup) { 51 deleteObject(0); 52 m_contextGroup->removeObject(this); 53 m_contextGroup = nullptr; 54 } 55 } 56 57 blink::WebGraphicsContext3D* WebGLSharedObject::getAWebGraphicsContext3D() const 58 { 59 return m_contextGroup ? m_contextGroup->getAWebGraphicsContext3D() : 0; 60 } 61 62 } 63
