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lib/libva/va/wayland/va_backend_wayland.h

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+/*
+ * va_backend_wayland.h - VA driver implementation hooks for Wayland
+ *
+ * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef VA_BACKEND_WAYLAND_H
+#define VA_BACKEND_WAYLAND_H
+
+#include <va/va.h>
+#include <wayland-client.h>
+
+/** \brief VA/Wayland API version. */
+#define VA_WAYLAND_API_VERSION  (0x574c4400) /* WLD0 */
+
+/* Forward declarations */
+struct VADriverContext;
+
+/** \brief VA/Wayland implementation hooks. */
+struct VADriverVTableWayland {
+    /**
+     * \brief Interface version.
+     *
+     * Implementations shall set this field to \ref VA_WAYLAND_API_VERSION.
+     */
+    unsigned int version;
+
+    /** \brief Hook to return Wayland buffer associated with the VA surface. */
+    VAStatus(*vaGetSurfaceBufferWl)(
+        struct VADriverContext *ctx,
+        VASurfaceID             surface,
+        unsigned int            flags,
+        struct wl_buffer      **out_buffer
+    );
+
+    /** \brief Hook to return Wayland buffer associated with the VA image. */
+    VAStatus(*vaGetImageBufferWl)(
+        struct VADriverContext *ctx,
+        VAImageID               image,
+        unsigned int            flags,
+        struct wl_buffer      **out_buffer
+    );
+
+    /** \brief Indicate whether buffer sharing with prime fd is supported. */
+    unsigned int has_prime_sharing;
+
+    /**
+     * Pointer to an implementation of struct wl_interface
+     *
+     * It is set by libva-wayland when a context is created, then the backend
+     * driver may reuse it.
+     */
+    const void *wl_interface;
+
+    /** \brief Reserved bytes for future use, must be zero */
+    unsigned long reserved[7];
+};
+
+#endif /* VA_BACKEND_WAYLAND_H */