virgl: honor DISCARD_WHOLE_RESOURCE in virgl_res_needs_readback

Signed-off-by: Chia-I Wu <olvaffe@gmail.com> Reviewed-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
2019-05-14 10:14:03 -07:00
parent a62ab178ce
commit cdcf38b98a
1 changed files with 2 additions and 1 deletions
@@ -93,7 +93,8 @@ bool virgl_res_needs_readback(struct virgl_context *vctx,
                              struct virgl_resource *res,
                              unsigned usage, unsigned level)
 {
-   if (usage & PIPE_TRANSFER_DISCARD_RANGE)
+   if (usage & (PIPE_TRANSFER_DISCARD_RANGE |
+                PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE))
      return false;

   if (res->clean_mask & (1 << level))