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/WebGLContextObject.h" 29 30#include "core/html/canvas/WebGLRenderingContextBase.h" 31#include "core/html/canvas/WebGLSharedWebGraphicsContext3D.h" 32 33namespace blink { 34 35WebGLContextObject::WebGLContextObject(WebGLRenderingContextBase* context) 36 : WebGLObject(context) 37 , m_context(context) 38#if ENABLE(OILPAN) 39 , m_sharedWebGraphicsContext3D(context->sharedWebGraphicsContext3D()) 40#endif 41{ 42} 43 44WebGLContextObject::~WebGLContextObject() 45{ 46#if !ENABLE(OILPAN) 47 if (m_context) 48 m_context->removeContextObject(this); 49#endif 50} 51 52void WebGLContextObject::detachContext() 53{ 54 detach(); 55 if (m_context) { 56 deleteObject(m_context->webContext()); 57 m_context->removeContextObject(this); 58 m_context = nullptr; 59#if ENABLE(OILPAN) 60 m_sharedWebGraphicsContext3D.clear(); 61#endif 62 } 63} 64 65blink::WebGraphicsContext3D* WebGLContextObject::getAWebGraphicsContext3D() const 66{ 67#if ENABLE(OILPAN) 68 return m_sharedWebGraphicsContext3D ? m_sharedWebGraphicsContext3D->webContext() : 0; 69#else 70 return m_context ? m_context->webContext() : 0; 71#endif 72} 73 74void WebGLContextObject::trace(Visitor* visitor) 75{ 76 visitor->trace(m_context); 77 WebGLObject::trace(visitor); 78} 79 80} 81