The Tor Browser: gfx/angle/src/common/RefCountObject.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 #include "precompiled.h"

     2 //

     3 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.

     4 // Use of this source code is governed by a BSD-style license that can be

     5 // found in the LICENSE file.

     6 //

     8 // RefCountObject.cpp: Defines the gl::RefCountObject base class that provides

     9 // lifecycle support for GL objects using the traditional BindObject scheme, but

    10 // that need to be reference counted for correct cross-context deletion.

    11 // (Concretely, textures, buffers and renderbuffers.)

    13 #include "RefCountObject.h"

    15 RefCountObject::RefCountObject(GLuint id)

    16 {

    17     mId = id;

    18     mRefCount = 0;

    19 }

    21 RefCountObject::~RefCountObject()

    22 {

    23     ASSERT(mRefCount == 0);

    24 }

    26 void RefCountObject::addRef() const

    27 {

    28     mRefCount++;

    29 }

    31 void RefCountObject::release() const

    32 {

    33     ASSERT(mRefCount > 0);

    35     if (--mRefCount == 0)

    36     {

    37         delete this;

    38     }

    39 }

    41 void RefCountObjectBindingPointer::set(RefCountObject *newObject)

    42 {

    43     // addRef first in case newObject == mObject and this is the last reference to it.

    44     if (newObject != NULL) newObject->addRef();

    45     if (mObject != NULL) mObject->release();

    47     mObject = newObject;

    48 }

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