Merge topic 'volume-depth-mask'

1995c65b Allow volumes to write to the depth buffer
5b03dffe clang-tidy: mask warnings about excessively padded structs

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Reviewed-by: Alexy Pellegrini <alexy.pellegrini@kitware.com>
Tested-by: Sankhesh Jhaveri <sankhesh.jhaveri@kitware.com>
Merge-request: !10642