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#ifndef WebGLContextObject_h 27#define WebGLContextObject_h 28 29#include "core/html/canvas/WebGLObject.h" 30 31namespace blink { 32class WebGraphicsContext3D; 33} 34 35namespace WebCore { 36 37class WebGLRenderingContextBase; 38 39// WebGLContextObject the base class for objects that are owned by a specific 40// WebGLRenderingContextBase. 41class WebGLContextObject : public WebGLObject { 42public: 43 virtual ~WebGLContextObject(); 44 45 WebGLRenderingContextBase* context() const { return m_context; } 46 47 virtual bool validate(const WebGLContextGroup*, const WebGLRenderingContextBase* context) const OVERRIDE FINAL 48 { 49 return context == m_context; 50 } 51 52 void detachContext(); 53 54protected: 55 WebGLContextObject(WebGLRenderingContextBase*); 56 57 virtual bool hasGroupOrContext() const OVERRIDE FINAL 58 { 59 return m_context; 60 } 61 62 virtual blink::WebGraphicsContext3D* getAWebGraphicsContext3D() const OVERRIDE FINAL; 63 64private: 65 WebGLRenderingContextBase* m_context; 66}; 67 68} // namespace WebCore 69 70#endif // WebGLContextObject_h 71