CSGOptiX/tests/CSGOptiXSimTest.cc

0001 /**
0002 CSGOptiXSimTest
0003 ======================
0004
0005 Canonically used by cxsim.sh
0006
0007 **/
0008
0009 #include <cuda_runtime.h>
0010
0011 #include "OPTICKS_LOG.hh"
0012 #include "SEventConfig.hh"
0013 #include "SEvt.hh"
0014 #include "CSGFoundry.h"
0015 #include "CSGOptiX.h"
0016 #include "QSim.hh"
0017
0018 int main(int argc, char** argv)
0019 {
0020     OPTICKS_LOG(argc, argv);
0021
0022     const char* comp = "genstep,photon,hit,domain,record,rec,seq" ;  // NB no "simtrace" here
0023     SEventConfig::SetGatherComp(comp);
0024     SEventConfig::SetSaveComp(comp);
0025     // TODO: this now automated ? check that
0026
0027
0028     SEvt* evt = SEvt::Create(SEvt::EGPU)  ;  // holds gensteps and output NPFold of component arrays
0029     SEvt::AddCarrierGenstep();   // normally gensteps added after geometry setup, but can be before in this simple test
0030
0031     // TODO: this is missing setFrame
0032
0033     CSGFoundry* fd = CSGFoundry::Load() ;  // standard OPTICKS_KEY CFBase/CSGFoundry geometry and SSim
0034
0035     CSGOptiX* cx = CSGOptiX::Create(fd);   // uploads geometry, instanciates QSim
0036
0037     QSim* qs = cx->sim ;
0038
0039     int eventID = 0 ;
0040     bool end = true ;
0041
0042     qs->simulate(eventID, end);  // internally calls CSGOptiX::simulate_launch following genstep uploading by QSim
0043
0044     cudaDeviceSynchronize();
0045
0046     evt->save();  // uses SGeo::LastUploadCFBase_OutDir to place outputs into CFBase/ExecutableName folder sibling to CSGFoundry
0047
0048     return 0 ;
0049 }