The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/angle/src/common/RefCountObject.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,48 @@
     1.4 +#include "precompiled.h"
     1.5 +//
     1.6 +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
     1.7 +// Use of this source code is governed by a BSD-style license that can be
     1.8 +// found in the LICENSE file.
     1.9 +//
    1.10 +
    1.11 +// RefCountObject.cpp: Defines the gl::RefCountObject base class that provides
    1.12 +// lifecycle support for GL objects using the traditional BindObject scheme, but
    1.13 +// that need to be reference counted for correct cross-context deletion.
    1.14 +// (Concretely, textures, buffers and renderbuffers.)
    1.15 +
    1.16 +#include "RefCountObject.h"
    1.17 +
    1.18 +RefCountObject::RefCountObject(GLuint id)
    1.19 +{
    1.20 +    mId = id;
    1.21 +    mRefCount = 0;
    1.22 +}
    1.23 +
    1.24 +RefCountObject::~RefCountObject()
    1.25 +{
    1.26 +    ASSERT(mRefCount == 0);
    1.27 +}
    1.28 +
    1.29 +void RefCountObject::addRef() const
    1.30 +{
    1.31 +    mRefCount++;
    1.32 +}
    1.33 +
    1.34 +void RefCountObject::release() const
    1.35 +{
    1.36 +    ASSERT(mRefCount > 0);
    1.37 +
    1.38 +    if (--mRefCount == 0)
    1.39 +    {
    1.40 +        delete this;
    1.41 +    }
    1.42 +}
    1.43 +
    1.44 +void RefCountObjectBindingPointer::set(RefCountObject *newObject)
    1.45 +{
    1.46 +    // addRef first in case newObject == mObject and this is the last reference to it.
    1.47 +    if (newObject != NULL) newObject->addRef();
    1.48 +    if (mObject != NULL) mObject->release();
    1.49 +
    1.50 +    mObject = newObject;
    1.51 +}