root/Source/core/html/canvas/WebGLSharedObject.cpp

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DEFINITIONS

This source file includes following definitions.
  1. m_contextGroup
  2. detachContextGroup
  3. getAWebGraphicsContext3D

/*
 * 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.
 */

#include "config.h"

#include "core/html/canvas/WebGLSharedObject.h"

#include "core/html/canvas/WebGLContextGroup.h"
#include "core/html/canvas/WebGLRenderingContextBase.h"

namespace WebCore {

WebGLSharedObject::WebGLSharedObject(WebGLRenderingContextBase* context)
    : WebGLObject(context),
      m_contextGroup(context->contextGroup())
{
}

WebGLSharedObject::~WebGLSharedObject()
{
    if (m_contextGroup)
        m_contextGroup->removeObject(this);
}

void WebGLSharedObject::detachContextGroup()
{
    detach();
    if (m_contextGroup) {
        deleteObject(0);
        m_contextGroup->removeObject(this);
        m_contextGroup = 0;
    }
}

blink::WebGraphicsContext3D* WebGLSharedObject::getAWebGraphicsContext3D() const
{
    return m_contextGroup ? m_contextGroup->getAWebGraphicsContext3D() : 0;
}

}

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