qudarap/tests/QTexMakerTest.cc

0001 #include "NP.hh"
0002 #include "QTex.hh"
0003 #include "QTexMaker.hh"
0004 #include "OPTICKS_LOG.hh"
0005
0006 //struct QTex<float4> ;
0007
0008
0009 NP* make_array(unsigned ni, unsigned nj, unsigned nk)
0010 {
0011     std::vector<float> src ;
0012     for(unsigned i=0 ; i < ni ; i++)
0013     for(unsigned j=0 ; j < nj ; j++)
0014     for(unsigned k=0 ; k < nk ; k++)
0015     {
0016         float val = float(i*100 + j*10 + k) ;
0017         src.push_back(val);
0018     }
0019
0020     NP* a = NP::Make<float>( ni, nj, nk );
0021     a->read(src.data()) ;
0022     a->set_meta<unsigned>("hd_factor", 10);
0023
0024     return a ;
0025 }
0026
0027 int main(int argc, char** argv)
0028 {
0029     OPTICKS_LOG(argc, argv);
0030
0031     const NP* a = make_array( 5, 10, 4 );
0032     char filterMode = 'P' ;  // <-- P:Point with interpolation disabled,   L:linear interpolation
0033     unsigned hd_factor = a->get_meta<unsigned>("hd_factor");
0034     assert( hd_factor > 0 );
0035     bool normalizedCoords = false ;
0036
0037     QTex<float4>* tex = QTexMaker::Make2d_f4(a, filterMode, normalizedCoords );
0038     assert(tex);
0039
0040     tex->setHDFactor(hd_factor);
0041     tex->uploadMeta();
0042
0043     // TODO: lookup checks on the GPU texture, like QScint
0044
0045
0046     return 0 ;
0047 }
0048
0049