2 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include "core/html/canvas/WebGLRenderbuffer.h"
30 #include "core/html/canvas/WebGLRenderingContextBase.h"
34 PassRefPtrWillBeRawPtr<WebGLRenderbuffer> WebGLRenderbuffer::create(WebGLRenderingContextBase* ctx)
36 return adoptRefWillBeNoop(new WebGLRenderbuffer(ctx));
39 WebGLRenderbuffer::~WebGLRenderbuffer()
42 // This render buffer (heap) object must finalize itself.
43 m_emulatedStencilBuffer.clear();
45 // Always call detach here to ensure that platform object deletion
46 // happens with Oilpan enabled. It keeps the code regular to do it
47 // with or without Oilpan enabled.
49 // See comment in WebGLBuffer's destructor for additional
50 // information on why this is done for WebGLSharedObject-derived
52 detachAndDeleteObject();
55 WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContextBase* ctx)
56 : WebGLSharedObject(ctx)
57 , m_internalFormat(GL_RGBA4)
60 , m_hasEverBeenBound(false)
62 ScriptWrappable::init(this);
63 setObject(ctx->webContext()->createRenderbuffer());
66 void WebGLRenderbuffer::deleteObjectImpl(blink::WebGraphicsContext3D* context3d, Platform3DObject object)
68 context3d->deleteRenderbuffer(object);
69 deleteEmulatedStencilBuffer(context3d);
72 void WebGLRenderbuffer::deleteEmulatedStencilBuffer(blink::WebGraphicsContext3D* context3d)
74 if (!m_emulatedStencilBuffer)
76 m_emulatedStencilBuffer->deleteObject(context3d);
77 m_emulatedStencilBuffer.clear();
80 void WebGLRenderbuffer::trace(Visitor* visitor)
82 visitor->trace(m_emulatedStencilBuffer);
83 WebGLSharedObject::trace(visitor);