1/*
2 * Copyright (C) 2009 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/WebGLRenderbuffer.h"
29
30#include "core/html/canvas/WebGLRenderingContext.h"
31
32namespace WebCore {
33
34PassRefPtr<WebGLRenderbuffer> WebGLRenderbuffer::create(WebGLRenderingContext* ctx)
35{
36    return adoptRef(new WebGLRenderbuffer(ctx));
37}
38
39WebGLRenderbuffer::~WebGLRenderbuffer()
40{
41    deleteObject(0);
42}
43
44WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContext* ctx)
45    : WebGLSharedObject(ctx)
46    , m_internalFormat(GL_RGBA4)
47    , m_initialized(false)
48    , m_width(0)
49    , m_height(0)
50    , m_hasEverBeenBound(false)
51{
52    ScriptWrappable::init(this);
53    setObject(ctx->graphicsContext3D()->createRenderbuffer());
54}
55
56void WebGLRenderbuffer::deleteObjectImpl(GraphicsContext3D* context3d, Platform3DObject object)
57{
58    context3d->deleteRenderbuffer(object);
59    deleteEmulatedStencilBuffer(context3d);
60}
61
62void WebGLRenderbuffer::deleteEmulatedStencilBuffer(GraphicsContext3D* context3d)
63{
64    if (!m_emulatedStencilBuffer)
65        return;
66    m_emulatedStencilBuffer->deleteObject(context3d);
67    m_emulatedStencilBuffer.clear();
68}
69
70}
71