+
+struct pipe_video_surface *
+identity_video_surface_create(struct identity_screen *id_screen,
+ struct pipe_video_surface *video_surface)
+{
+ struct identity_video_surface *id_video_surface;
+
+ if (!video_surface) {
+ goto error;
+ }
+
+ assert(video_surface->screen == id_screen->screen);
+
+ id_video_surface = CALLOC_STRUCT(identity_video_surface);
+ if (!id_video_surface) {
+ goto error;
+ }
+
+ memcpy(&id_video_surface->base,
+ video_surface,
+ sizeof(struct pipe_video_surface));
+
+ pipe_reference_init(&id_video_surface->base.reference, 1);
+ id_video_surface->base.screen = &id_screen->base;
+ id_video_surface->video_surface = video_surface;
+
+ return &id_video_surface->base;
+
+error:
+ pipe_video_surface_reference(&video_surface, NULL);
+ return NULL;
+}
+
+void
+identity_video_surface_destroy(struct identity_video_surface *id_video_surface)
+{
+ pipe_video_surface_reference(&id_video_surface->video_surface, NULL);
+ FREE(id_video_surface);
+}