/* * Copyright (C) 2011 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef WebGLSharedObject_h #define WebGLSharedObject_h #include "WebGLObject.h" namespace WebCore { class GraphicsContext3D; class WebGLContextGroup; class WebGLRenderingContext; // WebGLSharedObject the base class for objects that can be shared by multiple // WebGLRenderingContexts. class WebGLSharedObject : public WebGLObject { public: virtual ~WebGLSharedObject(); WebGLContextGroup* contextGroup() const { return m_contextGroup; } virtual bool isBuffer() const { return false; } virtual bool isFramebuffer() const { return false; } virtual bool isProgram() const { return false; } virtual bool isRenderbuffer() const { return false; } virtual bool isShader() const { return false; } virtual bool isTexture() const { return false; } virtual bool validate(const WebGLContextGroup* contextGroup, const WebGLRenderingContext*) const { return contextGroup == m_contextGroup; } void detachContextGroup(); protected: WebGLSharedObject(WebGLRenderingContext*); virtual bool hasGroupOrContext() const { return m_contextGroup; } virtual GraphicsContext3D* getAGraphicsContext3D() const; private: WebGLContextGroup* m_contextGroup; }; } // namespace WebCore #endif // WebGLSharedObject_h