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      1 /*
      2  * va_backend_wayland.h - VA driver implementation hooks for Wayland
      3  *
      4  * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  */
     26 
     27 #ifndef VA_BACKEND_WAYLAND_H
     28 #define VA_BACKEND_WAYLAND_H
     29 
     30 #include <va/va.h>
     31 #include <wayland-client.h>
     32 
     33 /** \brief VA/Wayland API version. */
     34 #define VA_WAYLAND_API_VERSION  (0x574c4400) /* WLD0 */
     35 
     36 /* Forward declarations */
     37 struct VADriverContext;
     38 
     39 /** \brief VA/Wayland implementation hooks. */
     40 struct VADriverVTableWayland {
     41     /**
     42      * \brief Interface version.
     43      *
     44      * Implementations shall set this field to \ref VA_WAYLAND_API_VERSION.
     45      */
     46     unsigned int version;
     47 
     48     /** \brief Hook to return Wayland buffer associated with the VA surface. */
     49     VAStatus (*vaGetSurfaceBufferWl)(
     50         struct VADriverContext *ctx,
     51         VASurfaceID             surface,
     52         unsigned int            flags,
     53         struct wl_buffer      **out_buffer
     54     );
     55 
     56     /** \brief Hook to return Wayland buffer associated with the VA image. */
     57     VAStatus (*vaGetImageBufferWl)(
     58         struct VADriverContext *ctx,
     59         VAImageID               image,
     60         unsigned int            flags,
     61         struct wl_buffer      **out_buffer
     62     );
     63 };
     64 
     65 #endif /* VA_BACKEND_WAYLAND_H */
     66