st/mesa: unmap upload buffer after uploading indices and constants

src/mesa/state_tracker/st_atom_constbuf.c

@@ -81,6 +81,7 @@ void st_upload_constants( struct st_context *st,
          cb.user_buffer = NULL;
          u_upload_data(st->constbuf_uploader, 0, paramBytes,
                        params->ParameterValues, &cb.buffer_offset, &cb.buffer);
+         u_upload_unmap(st->constbuf_uploader);
       } else {
          cb.buffer = NULL;
          cb.user_buffer = params->ParameterValues;

src/mesa/state_tracker/st_draw.c

@@ -594,6 +594,7 @@ setup_index_buffer(struct st_context *st,
    else if (st->indexbuf_uploader) {
       u_upload_data(st->indexbuf_uploader, 0, ib->count * ibuffer->index_size,
                     ib->ptr, &ibuffer->offset, &ibuffer->buffer);
+      u_upload_unmap(st->indexbuf_uploader);
    }
    else {
       /* indices are in user space memory */