r300g: u_upload optimisation

fix vb/ib uploads

1 files changed, 6 insertions, 2 deletions

diff --git a/src/gallium/drivers/r300/r300_screen_buffer.c b/src/gallium/drivers/r300/r300_screen_buffer.c
index bb5d4fac06..b19b5b5cce 100644
--- a/src/gallium/drivers/r300/r300_screen_buffer.c
+++ b/src/gallium/drivers/r300/r300_screen_buffer.c
@@ -62,7 +62,8 @@ int r300_upload_index_buffer(struct r300_context *r300,
 			     struct pipe_resource **index_buffer,
 			     unsigned index_size,
 			     unsigned start,
-			     unsigned count)
+			     unsigned count,
+			     unsigned *out_offset)
 {
    struct pipe_resource *upload_buffer = NULL;
    unsigned index_offset = start * index_size;
@@ -79,7 +80,10 @@ int r300_upload_index_buffer(struct r300_context *r300,
 	    goto done;
 	}
 	*index_buffer = upload_buffer;
-    }
+	*out_offset = index_offset / index_size;
+    } else
+        *out_offset = start;
+
  done:
     //    if (upload_buffer)
     //	pipe_resource_reference(&upload_buffer, NULL);