1 files changed, 28 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/util/com_utils.h b/Source/ThirdParty/ANGLE/util/com_utils.h
new file mode 100644
index 000000000..225783c55
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/util/com_utils.h
@@ -0,0 +1,28 @@
+//
+// Copyright (c) 2014 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.
+//
+
+// com_utils.h: Utility functions for working with COM objects
+
+#ifndef UTIL_COM_UTILS_H
+#define UTIL_COM_UTILS_H
+
+template <typename outType>
+inline outType *DynamicCastComObject(IUnknown *object)
+{
+    outType *outObject = nullptr;
+    HRESULT result = object->QueryInterface(__uuidof(outType), reinterpret_cast<void**>(&outObject));
+    if (SUCCEEDED(result))
+    {
+        return outObject;
+    }
+    else
+    {
+        SafeRelease(outObject);
+        return nullptr;
+    }
+}
+
+#endif // UTIL_COM_UTILS_H