wlroots/protocol/drm.xml

<?xml version="1.0" encoding="UTF-8"?>
<protocol name="drm">

  <copyright>
    Copyright © 2008-2011 Kristian Høgsberg
    Copyright © 2010-2011 Intel Corporation

    Permission to use, copy, modify, distribute, and sell this
    software and its documentation for any purpose is hereby granted
    without fee, provided that\n the above copyright notice appear in
    all copies and that both that copyright notice and this permission
    notice appear in supporting documentation, and that the name of
    the copyright holders not be used in advertising or publicity
    pertaining to distribution of the software without specific,
    written prior permission.  The copyright holders make no
    representations about the suitability of this software for any
    purpose.  It is provided "as is" without express or implied
    warranty.

    THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
    SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
    FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
    SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
    AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
    ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
    THIS SOFTWARE.
  </copyright>

  <!-- drm support. This object is created by the server and published
       using the display's global event. -->
  <interface name="wl_drm" version="2">
    <enum name="error">
      <entry name="authenticate_fail" value="0"/>
      <entry name="invalid_format" value="1"/>
      <entry name="invalid_name" value="2"/>
    </enum>

    <enum name="format">
      <!-- The drm format codes match the #defines in drm_fourcc.h.
           The formats actually supported by the compositor will be
           reported by the format event. New codes must not be added,
           unless directly taken from drm_fourcc.h. -->
      <entry name="c8" value="0x20203843"/>
      <entry name="rgb332" value="0x38424752"/>
      <entry name="bgr233" value="0x38524742"/>
      <entry name="xrgb4444" value="0x32315258"/>
      <entry name="xbgr4444" value="0x32314258"/>
      <entry name="rgbx4444" value="0x32315852"/>
      <entry name="bgrx4444" value="0x32315842"/>
      <entry name="argb4444" value="0x32315241"/>
      <entry name="abgr4444" value="0x32314241"/>
      <entry name="rgba4444" value="0x32314152"/>
      <entry name="bgra4444" value="0x32314142"/>
      <entry name="xrgb1555" value="0x35315258"/>
      <entry name="xbgr1555" value="0x35314258"/>
      <entry name="rgbx5551" value="0x35315852"/>
      <entry name="bgrx5551" value="0x35315842"/>
      <entry name="argb1555" value="0x35315241"/>
      <entry name="abgr1555" value="0x35314241"/>
      <entry name="rgba5551" value="0x35314152"/>
      <entry name="bgra5551" value="0x35314142"/>
      <entry name="rgb565" value="0x36314752"/>
      <entry name="bgr565" value="0x36314742"/>
      <entry name="rgb888" value="0x34324752"/>
      <entry name="bgr888" value="0x34324742"/>
      <entry name="xrgb8888" value="0x34325258"/>
      <entry name="xbgr8888" value="0x34324258"/>
      <entry name="rgbx8888" value="0x34325852"/>
      <entry name="bgrx8888" value="0x34325842"/>
      <entry name="argb8888" value="0x34325241"/>
      <entry name="abgr8888" value="0x34324241"/>
      <entry name="rgba8888" value="0x34324152"/>
      <entry name="bgra8888" value="0x34324142"/>
      <entry name="xrgb2101010" value="0x30335258"/>
      <entry name="xbgr2101010" value="0x30334258"/>
      <entry name="rgbx1010102" value="0x30335852"/>
      <entry name="bgrx1010102" value="0x30335842"/>
      <entry name="argb2101010" value="0x30335241"/>
      <entry name="abgr2101010" value="0x30334241"/>
      <entry name="rgba1010102" value="0x30334152"/>
      <entry name="bgra1010102" value="0x30334142"/>
      <entry name="yuyv" value="0x56595559"/>
      <entry name="yvyu" value="0x55595659"/>
      <entry name="uyvy" value="0x59565955"/>
      <entry name="vyuy" value="0x59555956"/>
      <entry name="ayuv" value="0x56555941"/>
      <entry name="xyuv8888" value="0x56555958"/>
      <entry name="nv12" value="0x3231564e"/>
      <entry name="nv21" value="0x3132564e"/>
      <entry name="nv16" value="0x3631564e"/>
      <entry name="nv61" value="0x3136564e"/>
      <entry name="yuv410" value="0x39565559"/>
      <entry name="yvu410" value="0x39555659"/>
      <entry name="yuv411" value="0x31315559"/>
      <entry name="yvu411" value="0x31315659"/>
      <entry name="yuv420" value="0x32315559"/>
      <entry name="yvu420" value="0x32315659"/>
      <entry name="yuv422" value="0x36315559"/>
      <entry name="yvu422" value="0x36315659"/>
      <entry name="yuv444" value="0x34325559"/>
      <entry name="yvu444" value="0x34325659"/>
      <entry name="abgr16f" value="0x48344241"/>
      <entry name="xbgr16f" value="0x48344258"/>
    </enum>

    <!-- Call this request with the magic received from drmGetMagic().
         It will be passed on to the drmAuthMagic() or
         DRIAuthConnection() call.  This authentication must be
         completed before create_buffer could be used. -->
    <request name="authenticate">
      <arg name="id" type="uint"/>
    </request>

    <!-- Create a wayland buffer for the named DRM buffer.  The DRM
         surface must have a name using the flink ioctl -->
    <request name="create_buffer">
      <arg name="id" type="new_id" interface="wl_buffer"/>
      <arg name="name" type="uint"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
      <arg name="stride" type="uint"/>
      <arg name="format" type="uint"/>
    </request>

    <!-- Create a wayland buffer for the named DRM buffer.  The DRM
         surface must have a name using the flink ioctl -->
    <request name="create_planar_buffer">
      <arg name="id" type="new_id" interface="wl_buffer"/>
      <arg name="name" type="uint"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
      <arg name="format" type="uint"/>
      <arg name="offset0" type="int"/>
      <arg name="stride0" type="int"/>
      <arg name="offset1" type="int"/>
      <arg name="stride1" type="int"/>
      <arg name="offset2" type="int"/>
      <arg name="stride2" type="int"/>
    </request>

    <!-- Notification of the path of the drm device which is used by
         the server.  The client should use this device for creating
         local buffers.  Only buffers created from this device should
         be be passed to the server using this drm object's
         create_buffer request. -->
    <event name="device">
      <arg name="name" type="string"/>
    </event>

    <event name="format">
      <arg name="format" type="uint"/>
    </event>

    <!-- Raised if the authenticate request succeeded -->
    <event name="authenticated"/>

    <enum name="capability" since="2">
      <description summary="wl_drm capability bitmask">
        Bitmask of capabilities.
      </description>
      <entry name="prime" value="1" summary="wl_drm prime available"/>
    </enum>

    <event name="capabilities">
      <arg name="value" type="uint"/>
    </event>

    <!-- Version 2 additions -->

    <!-- Create a wayland buffer for the prime fd.  Use for regular and planar
         buffers.  Pass 0 for offset and stride for unused planes. -->
    <request name="create_prime_buffer" since="2">
      <arg name="id" type="new_id" interface="wl_buffer"/>
      <arg name="name" type="fd"/>
      <arg name="width" type="int"/>
      <arg name="height" type="int"/>
      <arg name="format" type="uint"/>
      <arg name="offset0" type="int"/>
      <arg name="stride0" type="int"/>
      <arg name="offset1" type="int"/>
      <arg name="stride1" type="int"/>
      <arg name="offset2" type="int"/>
      <arg name="stride2" type="int"/>
    </request>

  </interface>

</protocol>