gallium: drivers should reference vertex buffers

So that a state tracker can unreference them after set_vertex_buffers.

2 files changed, 7 insertions, 2 deletions

diff --git a/src/gallium/drivers/nv50/nv50_context.c b/src/gallium/drivers/nv50/nv50_context.c
index 0874cb5e4ea..4f976161760 100644
--- a/src/gallium/drivers/nv50/nv50_context.c
+++ b/src/gallium/drivers/nv50/nv50_context.c
@@ -49,6 +49,10 @@ nv50_destroy(struct pipe_context *pipe)
 	struct nv50_context *nv50 = nv50_context(pipe);
 	int i;
 
+        for (i = 0; i < nv50->vtxbuf_nr; i++) {
+           pipe_resource_reference(&nv50->vtxbuf[i].buffer, NULL);
+        }
+
 	for (i = 0; i < 64; i++) {
 		if (!nv50->state.hw[i])
 			continue;
diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c
index f42fa2d4d2b..d97566ed7cf 100644
--- a/src/gallium/drivers/nv50/nv50_state.c
+++ b/src/gallium/drivers/nv50/nv50_state.c
@@ -780,8 +780,9 @@ nv50_set_vertex_buffers(struct pipe_context *pipe, unsigned count,
 {
 	struct nv50_context *nv50 = nv50_context(pipe);
 
-	memcpy(nv50->vtxbuf, vb, sizeof(*vb) * count);
-	nv50->vtxbuf_nr = count;
+        util_copy_vertex_buffers(nv50->vtxbuf,
+                                 &nv50->vtxbuf_nr,
+                                 vb, count);
 
 	nv50->dirty |= NV50_NEW_ARRAYS;
 }