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/*
* Copyright (C) 2011-2017 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 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 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.
*/
#pragma once
#if ENABLE(WEBGL)
#include "WebGLObject.h"
namespace WTF {
class AbstractLocker;
class Lock;
}
namespace WebCore {
class GraphicsContextGL;
class WebGLContextGroup;
class WebGLRenderingContextBase;
// 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 isRenderbuffer() const { return false; }
virtual bool isTexture() const { return false; }
bool validate(const WebGLContextGroup* contextGroup, const WebGLRenderingContextBase&) const override
{
return contextGroup == m_contextGroup;
}
void detachContextGroup(const AbstractLocker&);
void detachContextGroupWithoutDeletingObject();
Lock& objectGraphLockForContext() override;
protected:
WebGLSharedObject(WebGLRenderingContextBase&);
bool hasGroupOrContext() const override;
GraphicsContextGL* getAGraphicsContextGL() const override;
private:
WebGLContextGroup* m_contextGroup;
};
} // namespace WebCore
#endif