#endif
+/** Opaque type */
+struct pipe_fence_handle;
/**
* Gallium screen/adapter context. Basically everything
void (*buffer_destroy)( struct pipe_screen *screen,
struct pipe_buffer *buf );
+
+
+ /**
+ * Do any special operations to ensure frontbuffer contents are
+ * displayed, eg copy fake frontbuffer.
+ */
+ void (*flush_frontbuffer)( struct pipe_screen *screen,
+ struct pipe_surface *surf,
+ void *context_private );
+
+
+
+ /** Set ptr = fence, with reference counting */
+ void (*fence_reference)( struct pipe_screen *screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence );
+
+ /**
+ * Checks whether the fence has been signalled.
+ * \param flags driver-specific meaning
+ * \return zero on success.
+ */
+ int (*fence_signalled)( struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag );
+
+ /**
+ * Wait for the fence to finish.
+ * \param flags driver-specific meaning
+ * \return zero on success.
+ */
+ int (*fence_finish)( struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag );
+
};