1 files changed, 15 insertions, 2 deletions
diff --git a/src/gallium/drivers/trace/tr_screen.h b/src/gallium/drivers/trace/tr_screen.h
index 93fefdb9a5f..8c65516b509 100644
--- a/src/gallium/drivers/trace/tr_screen.h
+++ b/src/gallium/drivers/trace/tr_screen.h
@@ -36,11 +36,19 @@
 extern "C" {
 #endif
 
-   
+
+/**
+ * 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 trace_screen
 {
    struct pipe_screen base;
-   
+
    struct pipe_screen *screen;
 };
 
@@ -53,6 +61,11 @@ struct pipe_screen *
 trace_screen_create(struct pipe_screen *screen);
 
 
+void
+trace_screen_user_buffer_update(struct pipe_screen *screen,
+                                struct pipe_buffer *buffer);
+
+
 #ifdef __cplusplus
 }
 #endif