1 files changed, 34 insertions, 0 deletions
diff --git a/src/gui/painting/qrhibackingstore_p.h b/src/gui/painting/qrhibackingstore_p.h
new file mode 100644
index 0000000000..f222db860f
--- /dev/null
+++ b/src/gui/painting/qrhibackingstore_p.h
@@ -0,0 +1,34 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QRHIBACKINGSTORE_H
+#define QRHIBACKINGSTORE_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/private/qrasterbackingstore_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT QRhiBackingStore : public QRasterBackingStore
+{
+public:
+    QRhiBackingStore(QWindow *window);
+    ~QRhiBackingStore();
+
+    void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
+    QImage::Format format() const override;
+};
+
+QT_END_NAMESPACE
+
+#endif // QRHIBACKINGSTORE_H