qt-everywhere-src-5.14.1/qtwayland/src/extensions/hardware-integration.xml

<protocol name="hardware_integration">

    <copyright>
 Copyright (C) 2015 The Qt Company Ltd.
 Contact: http://www.qt.io/licensing/

 This file is part of the plugins of the Qt Toolkit.

 $QT_BEGIN_LICENSE:BSD$
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    </copyright>

    <interface name="qt_hardware_integration" version="1">
      <description summary="compostors communicates supported buffer sharing extensions">
        Using this protocol the compositor can signal to clients which buffer sharing extensions
        the client should use
      </description>
      <event name="client_backend">
        <arg name="name" type="string"/>
      </event>
      <event name="server_backend">
        <arg name="name" type="string"/>
      </event>
    </interface>
</protocol>