CompressonatorSDK does not allow passing user params to CMP_Feedback_Proc
CompressonatorSDK feedback procedure CMP_Feedback_Proc declares two user parameters, pUser1 and pUser2.
https://github.com/GPUOpen-Tools/compressonator/blob/f4b53d79ec5abbb50924f58aebb7bf2793200b94/cmp_compressonatorlib/compressonator.h#L948
However, there does not appear to be a way for user to pass values for those parameters along with feedback procedure pointer. Feedback procedure is passed to following functions: https://github.com/GPUOpen-Tools/compressonator/blob/f4b53d79ec5abbb50924f58aebb7bf2793200b94/cmp_compressonatorlib/compressonator.h#L963-L966 https://github.com/GPUOpen-Tools/compressonator/blob/f4b53d79ec5abbb50924f58aebb7bf2793200b94/cmp_compressonatorlib/compressonator.h#L1050 https://github.com/GPUOpen-Tools/compressonator/blob/f4b53d79ec5abbb50924f58aebb7bf2793200b94/cmp_compressonatorlib/compressonator.h#L1057-L1058
None of them accept two user parameters that would be passed over to feedback procedure.