diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_viewport.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_cb_viewport.c b/src/mesa/state_tracker/st_cb_viewport.c index 6adf3162c1e..7b175288fcb 100644 --- a/src/mesa/state_tracker/st_cb_viewport.c +++ b/src/mesa/state_tracker/st_cb_viewport.c @@ -40,7 +40,7 @@ static void st_viewport(GLcontext * ctx, GLint x, GLint y, { struct st_context *st = ctx->st; - if (st->pipe->winsys) + if (st->pipe->winsys && st->pipe->winsys->update_buffer) st->pipe->winsys->update_buffer( st->pipe->winsys, st->pipe->priv ); } |