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//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// RefCountObject.cpp: Defines the gl::RefCountObject base class that provides
// lifecycle support for GL objects using the traditional BindObject scheme, but
// that need to be reference counted for correct cross-context deletion.
// (Concretely, textures, buffers and renderbuffers.)
#include "RefCountObject.h"
RefCountObject::RefCountObject(GLuint id)
{
mId = id;
mRefCount = 0;
}
RefCountObject::~RefCountObject()
{
ASSERT(mRefCount == 0);
}
void RefCountObject::addRef() const
{
mRefCount++;
}
void RefCountObject::release() const
{
ASSERT(mRefCount > 0);
if (--mRefCount == 0)
{
delete this;
}
}
void RefCountObjectBindingPointer::set(RefCountObject *newObject)
{
// addRef first in case newObject == mObject and this is the last reference to it.
if (newObject != NULL) newObject->addRef();
if (mObject != NULL) mObject->release();
mObject = newObject;
}
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