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/*
* Copyright (C) 2009 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/WebGLBuffer.h"
#include "core/html/canvas/WebGLRenderingContextBase.h"
namespace blink {
PassRefPtrWillBeRawPtr<WebGLBuffer> WebGLBuffer::create(WebGLRenderingContextBase* ctx)
{
return adoptRefWillBeNoop(new WebGLBuffer(ctx));
}
WebGLBuffer::WebGLBuffer(WebGLRenderingContextBase* ctx)
: WebGLSharedObject(ctx)
, m_target(0)
{
setObject(ctx->webContext()->createBuffer());
}
WebGLBuffer::~WebGLBuffer()
{
// Delete the buffer's platform object. This object will have been
// detached from the WebGLContextGroup if the group object was
// finalized first. With Oilpan not enabled, it always will be,
// but with Oilpan enabled, the WebGLBuffer might end up being
// finalized first. In which case detachment is needed to ensure
// that the platform object is indeed deleted.
//
// To keep the code regular, the trivial detach()ment is always
// performed.
detachAndDeleteObject();
}
void WebGLBuffer::deleteObjectImpl(blink::WebGraphicsContext3D* context3d, Platform3DObject object)
{
context3d->deleteBuffer(object);
}
void WebGLBuffer::setTarget(GLenum target)
{
// In WebGL, a buffer is bound to one target in its lifetime
if (m_target)
return;
if (target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER)
m_target = target;
}
}
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