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76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "core/html/canvas/WebGLBuffer.h"
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#include "core/html/canvas/WebGLRenderingContextBase.h"
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namespace blink {
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PassRefPtrWillBeRawPtr<WebGLBuffer> WebGLBuffer::create(WebGLRenderingContextBase* ctx)
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{
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return adoptRefWillBeNoop(new WebGLBuffer(ctx));
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}
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WebGLBuffer::WebGLBuffer(WebGLRenderingContextBase* ctx)
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: WebGLSharedObject(ctx)
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, m_target(0)
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{
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ScriptWrappable::init(this);
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setObject(ctx->webContext()->createBuffer());
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}
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WebGLBuffer::~WebGLBuffer()
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{
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// Delete the buffer's platform object. This object will have been
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// detached from the WebGLContextGroup if the group object was
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// finalized first. With Oilpan not enabled, it always will be,
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// but with Oilpan enabled, the WebGLBuffer might end up being
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// finalized first. In which case detachment is needed to ensure
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// that the platform object is indeed deleted.
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//
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// To keep the code regular, the trivial detach()ment is always
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// performed.
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detachAndDeleteObject();
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}
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void WebGLBuffer::deleteObjectImpl(blink::WebGraphicsContext3D* context3d, Platform3DObject object)
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{
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context3d->deleteBuffer(object);
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}
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void WebGLBuffer::setTarget(GLenum target)
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{
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// In WebGL, a buffer is bound to one target in its lifetime
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if (m_target)
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return;
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if (target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER)
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m_target = target;
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}
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}
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