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 WebGLContextGroup_h 27 #define WebGLContextGroup_h 28 29 #include "core/html/canvas/WebGLRenderingContext.h" 30 #include "wtf/HashSet.h" 31 #include "wtf/PassRefPtr.h" 32 #include "wtf/RefCounted.h" 33 34 namespace WebCore { 35 36 class GraphicsContext3D; 37 class WebGLExtension; 38 class WebGLSharedObject; 39 class WebGLRenderingContext; 40 41 typedef int ExceptionCode; 42 43 class WebGLContextGroup : public RefCounted<WebGLContextGroup> { 44 public: 45 static PassRefPtr<WebGLContextGroup> create(); 46 virtual ~WebGLContextGroup(); 47 48 void addContext(WebGLRenderingContext*); 49 void removeContext(WebGLRenderingContext*); 50 51 void addObject(WebGLSharedObject*); 52 void removeObject(WebGLSharedObject*); 53 54 GraphicsContext3D* getAGraphicsContext3D(); 55 56 void loseContextGroup(WebGLRenderingContext::LostContextMode); 57 58 private: 59 friend class WebGLObject; 60 61 WebGLContextGroup(); 62 63 void detachAndRemoveAllObjects(); 64 65 HashSet<WebGLRenderingContext*> m_contexts; 66 HashSet<WebGLSharedObject*> m_groupObjects; 67 }; 68 69 } // namespace WebCore 70 71 #endif // WebGLContextGroup_h 72
