We would like to reuse performance query metrics in other APIs. Let's
make the query code dealing with the processing of raw counters into
human readable values API agnostic.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Mark Janes <mark.a.janes@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
