51216d656d
When crosvm does not support venus, it still advertises VIRGL_RENDERER_CAPSET_VENUS but provides no or zeroed capset data. vk_xml_version will be zero. It is a good idea to verify vk_xml_version anyway. v2: print required version suggested by Ryan Signed-off-by: Chia-I Wu <olvaffe@gmail.com> Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org> Reviewed-by: Ryan Neph <ryanneph@google.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10192>