virgl: add missing emit_res for SO targets

Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Gurchetan Singh <[email protected]>

1 files changed, 8 insertions, 2 deletions

diff --git a/src/gallium/drivers/virgl/virgl_streamout.c b/src/gallium/drivers/virgl/virgl_streamout.c
index 125973d29fb..8fb7f26c868 100644
--- a/src/gallium/drivers/virgl/virgl_streamout.c
+++ b/src/gallium/drivers/virgl/virgl_streamout.c
@@ -76,10 +76,16 @@ static void virgl_set_so_targets(struct pipe_context *ctx,
    struct virgl_context *vctx = virgl_context(ctx);
    int i;
    for (i = 0; i < num_targets; i++) {
-      if (targets[i])
+      if (targets[i]) {
+         struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
+         struct virgl_resource *res = virgl_resource(targets[i]->buffer);
+
          pipe_resource_reference(&vctx->so_targets[i].base.buffer, targets[i]->buffer);
-      else
+
+         vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
+      } else {
          pipe_resource_reference(&vctx->so_targets[i].base.buffer, NULL);
+      }
    }
    for (i = num_targets; i < vctx->num_so_targets; i++)
       pipe_resource_reference(&vctx->so_targets[i].base.buffer, NULL);