Update libva headers to the latest release (1.2.1).

third_party/libva/va/x11/va_dricommon.h

 /*
  * 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:
@@ skipping 14 matching lines @@
 #define _VA_DRICOMMON_H_
 
 #ifndef ANDROID
 #include <X11/Xlib.h>
 #include <xf86drm.h>
 #include <drm.h>
 #include <drm_sarea.h>
 #endif
 
 #include <va/va_backend.h>
+#include <va/va_drmcommon.h>
 
 #ifdef ANDROID
 #define XID unsigned int
 #define Bool int
 #endif
 
-enum
-{
-    VA_NONE = 0,
-    VA_DRI1 = 1,
-    VA_DRI2 = 2,
-    VA_DUMMY = 3
+enum {
+    /* Compatibility. Do not use for newly-written code. */
+    VA_NONE     = VA_DRM_AUTH_NONE,
+    VA_DRI1     = VA_DRM_AUTH_DRI1,
+    VA_DRI2     = VA_DRM_AUTH_DRI2,
+    VA_DUMMY    = VA_DRM_AUTH_CUSTOM
 };
 
 union dri_buffer 
 {
     struct {
         unsigned int attachment;
         unsigned int name;
         unsigned int pitch;
         unsigned int cpp;
         unsigned int flags;
     } dri2;
 };
 
 struct dri_drawable 
 {
     XID x_drawable;
     int is_window;
     int x;
     int y;
     unsigned int width;
     unsigned int height;
     struct dri_drawable *next;
 };
 
 #define DRAWABLE_HASH_SZ 32
 struct dri_state 
 {
-    int fd;
-    int driConnectedFlag; /* 0: disconnected, 1: DRI, 2: DRI2 */
+    struct drm_state base;
 #ifndef ANDROID
     struct dri_drawable *drawable_hash[DRAWABLE_HASH_SZ];
 
     struct dri_drawable *(*createDrawable)(VADriverContextP ctx, XID x_drawable);
     void (*destroyDrawable)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
     void (*swapBuffer)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
     union dri_buffer *(*getRenderingBuffer)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
     void (*close)(VADriverContextP ctx);
 #endif
 };
 
 Bool isDRI2Connected(VADriverContextP ctx, char **driver_name);
 void free_drawable(VADriverContextP ctx, struct dri_drawable* dri_drawable);
 void free_drawable_hashtable(VADriverContextP ctx);
 struct dri_drawable *dri_get_drawable(VADriverContextP ctx, XID drawable);
 void dri_swap_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable);
 union dri_buffer *dri_get_rendering_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable);
 
 #endif /* _VA_DRICOMMON_H_ */