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#include "config.h"
27
28#include "core/html/canvas/WebGLContextObject.h"
29
30#include "core/html/canvas/WebGLRenderingContextBase.h"
31#include "core/html/canvas/WebGLSharedWebGraphicsContext3D.h"
32
33namespace blink {
34
35WebGLContextObject::WebGLContextObject(WebGLRenderingContextBase* context)
36    : WebGLObject(context)
37    , m_context(context)
38#if ENABLE(OILPAN)
39    , m_sharedWebGraphicsContext3D(context->sharedWebGraphicsContext3D())
40#endif
41{
42}
43
44WebGLContextObject::~WebGLContextObject()
45{
46#if !ENABLE(OILPAN)
47    if (m_context)
48        m_context->removeContextObject(this);
49#endif
50}
51
52void WebGLContextObject::detachContext()
53{
54    detach();
55    if (m_context) {
56        deleteObject(m_context->webContext());
57        m_context->removeContextObject(this);
58        m_context = nullptr;
59#if ENABLE(OILPAN)
60        m_sharedWebGraphicsContext3D.clear();
61#endif
62    }
63}
64
65blink::WebGraphicsContext3D* WebGLContextObject::getAWebGraphicsContext3D() const
66{
67#if ENABLE(OILPAN)
68    return m_sharedWebGraphicsContext3D ? m_sharedWebGraphicsContext3D->webContext() : 0;
69#else
70    return m_context ? m_context->webContext() : 0;
71#endif
72}
73
74void WebGLContextObject::trace(Visitor* visitor)
75{
76    visitor->trace(m_context);
77    WebGLObject::trace(visitor);
78}
79
80}
81