1 files changed, 13 insertions, 3 deletions
diff --git a/src/gallium/drivers/trace/tr_winsys.h b/src/gallium/drivers/trace/tr_winsys.h
index a3576da867e..062ddf66a00 100644
--- a/src/gallium/drivers/trace/tr_winsys.h
+++ b/src/gallium/drivers/trace/tr_winsys.h
@@ -34,8 +34,15 @@
 #include "pipe/p_winsys.h"
 
 
+/**
+ * It often happens that new data is written directly to the user buffers 
+ * without mapping/unmapping. This flag marks user buffers, so that their 
+ * contents can be dumpped before being used by the pipe context.
+ */
+#define TRACE_BUFFER_USAGE_USER  (1 << 31)
+
+
 struct hash_table;
-struct trace_stream;
 
 
 struct trace_winsys
@@ -44,8 +51,6 @@ struct trace_winsys
    
    struct pipe_winsys *winsys;
    
-   struct trace_stream *stream;
-   
    struct hash_table *buffer_maps;
 };
 
@@ -63,4 +68,9 @@ struct pipe_winsys *
 trace_winsys_create(struct pipe_winsys *winsys);
 
 
+void
+trace_winsys_user_buffer_update(struct pipe_winsys *winsys, 
+                                struct pipe_buffer *buffer);
+
+
 #endif /* TR_WINSYS_H_ */