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-rw-r--r--src/3rdparty/angle/src/common/RefCountObject.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/common/RefCountObject.cpp b/src/3rdparty/angle/src/common/RefCountObject.cpp
new file mode 100644
index 0000000000..c1ef90cdcc
--- /dev/null
+++ b/src/3rdparty/angle/src/common/RefCountObject.cpp
@@ -0,0 +1,47 @@
+//
+// 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;
+}