Add coarse pixel counters to intel/perf
We have per context counters for coarse pixels, similar to statistics counters. We should expose them in intel/perf and wire things properly for MDAPI too.
For MDAPI, the value goes here : https://gitlab.freedesktop.org/mesa/mesa/-/blob/main/src/intel/perf/intel_perf_mdapi.h#L127
Edited by Lionel Landwerlin