gallium: drivers should reference vertex buffers

So that a state tracker can unreference them after set_vertex_buffers.

1 files changed, 8 insertions, 2 deletions

diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index 73d5b6e403f..e045313b94f 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -35,6 +35,7 @@
 #include "util/u_memory.h"
 #include "util/u_math.h"
 #include "util/u_cpu_detect.h"
+#include "util/u_inlines.h"
 #include "draw_context.h"
 #include "draw_vs.h"
 #include "draw_gs.h"
@@ -164,6 +165,10 @@ void draw_destroy( struct draw_context *draw )
       }
    }
 
+   for (i = 0; i < draw->pt.nr_vertex_buffers; i++) {
+      pipe_resource_reference(&draw->pt.vertex_buffer[i].buffer, NULL);
+   }
+
    /* Not so fast -- we're just borrowing this at the moment.
     * 
    if (draw->render)
@@ -307,8 +312,9 @@ draw_set_vertex_buffers(struct draw_context *draw,
 {
    assert(count <= PIPE_MAX_ATTRIBS);
 
-   memcpy(draw->pt.vertex_buffer, buffers, count * sizeof(buffers[0]));
-   draw->pt.nr_vertex_buffers = count;
+   util_copy_vertex_buffers(draw->pt.vertex_buffer,
+                            &draw->pt.nr_vertex_buffers,
+                            buffers, count);
 }