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 32 namespace WebCore { 33 34 WebGLContextObject::WebGLContextObject(WebGLRenderingContextBase* context) 35 : WebGLObject(context) 36 , m_context(context) 37 { 38 } 39 40 WebGLContextObject::~WebGLContextObject() 41 { 42 if (m_context) 43 m_context->removeContextObject(this); 44 } 45 46 void WebGLContextObject::detachContext() 47 { 48 detach(); 49 if (m_context) { 50 deleteObject(m_context->webContext()); 51 m_context->removeContextObject(this); 52 m_context = 0; 53 } 54 } 55 56 blink::WebGraphicsContext3D* WebGLContextObject::getAWebGraphicsContext3D() const 57 { 58 return m_context ? m_context->webContext() : 0; 59 } 60 61 } 62