gallium: notify drivers about possible changes in user buffer contents

Also implement the redefine_user_buffer hook in the drivers.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_state_vertex.c b/src/gallium/drivers/softpipe/sp_state_vertex.c
index 5f4d661abde..aa0b333c7a9 100644
--- a/src/gallium/drivers/softpipe/sp_state_vertex.c
+++ b/src/gallium/drivers/softpipe/sp_state_vertex.c
@@ -34,6 +34,7 @@
 
 #include "util/u_memory.h"
 #include "util/u_inlines.h"
+#include "util/u_transfer.h"
 #include "draw/draw_context.h"
 
 
@@ -119,4 +120,5 @@ softpipe_init_vertex_funcs(struct pipe_context *pipe)
 
    pipe->set_vertex_buffers = softpipe_set_vertex_buffers;
    pipe->set_index_buffer = softpipe_set_index_buffer;
+   pipe->redefine_user_buffer = u_default_redefine_user_buffer;
 }