GPU: Enable matLut with GPU Track Model in Track Refit

Author: davidrohr

GPU/GPUTracking/Refit/GPUTrackingRefit.cxx

@@ -82,6 +82,7 @@ GPUd() void GPUTrackingRefit::initProp<GPUTPCGMPropagator>(GPUTPCGMPropagator& p
   prop.SetFitInProjections(mPparam->rec.fitInProjections != 0);
   prop.SetPropagateBzOnly(false);
   prop.SetPolynomialField(&mPparam->polynomialField);
+  prop.SetMatLUT(mPmatLUT);
 }
 
 template <>
@@ -415,6 +416,7 @@ void GPUTrackingRefit::SetPtrsFromGPUConstantMem(const GPUConstantMem* v, MEM_CO
   mPclusterNative = v->ioPtrs.clustersNative;
   mPtrackHits = v->ioPtrs.mergedTrackHits;
   mPfastTransform = v->calibObjects.fastTransform;
+  mPmatLUT = v->calibObjects.matLUT;
   mPparam = p ? p : &v->param;
 }
 

GPU/GPUTracking/Refit/GPUTrackingRefit.h

@@ -31,6 +31,7 @@ using TrackParCov = TrackParametrizationWithError<float>;
 namespace o2::base
 {
 class Propagator;
+class MatLayerCylSet;
 } // namespace o2::base
 namespace o2::tpc
 {
@@ -89,6 +90,7 @@ class GPUTrackingRefit
  private:
   const unsigned char* mPclusterState = nullptr;                 // Ptr to shared cluster state
   const o2::base::Propagator* mPpropagator = nullptr;            // Ptr to propagator for TrackParCov track model
+  const o2::base::MatLayerCylSet* mPmatLUT = nullptr;            // Ptr to material LUT
   const o2::tpc::ClusterNativeAccess* mPclusterNative = nullptr; // Ptr to cluster native access structure
   const GPUTPCGMMergedTrackHit* mPtrackHits = nullptr;           // Ptr to hits for GPUTPCGMMergedTrack tracks
   const unsigned int* mPtrackHitReferences = nullptr;            // Ptr to hits for TrackTPC tracks