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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"
#if ENABLE(WEBGL)
#include "WebGLObject.h"
#include "WebGLRenderingContext.h"
namespace WebCore {
WebGLObject::WebGLObject(WebGLRenderingContext* context)
: m_object(0)
, m_context(context)
, m_attachmentCount(0)
, m_deleted(false)
{
}
WebGLObject::~WebGLObject()
{
if (m_context)
m_context->removeObject(this);
}
void WebGLObject::setObject(Platform3DObject object)
{
// object==0 && m_deleted==false indicating an uninitialized state;
ASSERT(!m_object && !m_deleted);
m_object = object;
}
void WebGLObject::deleteObject()
{
m_deleted = true;
if (!m_context || !m_object)
return;
if (!m_attachmentCount) {
m_context->graphicsContext3D()->makeContextCurrent();
deleteObjectImpl(m_object);
m_object = 0;
}
}
void WebGLObject::detachContext()
{
m_attachmentCount = 0; // Make sure OpenGL resource is deleted.
if (m_context) {
deleteObject();
m_context->removeObject(this);
m_context = 0;
}
}
}
#endif // ENABLE(WEBGL)
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