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Comparing ray/src/common/bsdf.c (file contents):
Revision 2.53 by greg, Thu Feb 2 04:46:38 2017 UTC vs.
Revision 2.57 by greg, Fri Mar 8 03:42:12 2019 UTC

# Line 515 | Line 515 | SDsampComponent(SDValue *sv, FVECT ioVec, double randX
515                  c_cmix(&sv->spec, d, &sv->spec, coef[n], &sdc->cspec[n]);
516                  d += coef[n];
517          }
518 <                                        /* make sure everything is set */
519 <        c_ccvt(&sv->spec, C_CSXY+C_CSSPEC);
518 >        c_ccvt(&sv->spec, C_CSXY);      /* make sure (x,y) is set */
519          return SDEnone;
520   }
521  
# Line 649 | Line 648 | SDevalBSDF(SDValue *sv, const FVECT outVec, const FVEC
648          } else if (inFront) {
649                  *sv = sd->tLamb;
650                  sdf = (sd->tf != NULL) ? sd->tf : sd->tb;
651 <        } else /* inBack */ {
651 >        } else /* outFront & !inFront */ {
652                  *sv = sd->tLamb;
653                  sdf = (sd->tb != NULL) ? sd->tb : sd->tf;
654          }
# Line 665 | Line 664 | SDevalBSDF(SDValue *sv, const FVECT outVec, const FVEC
664                          sv->cieY += coef[nch];
665                  }
666          }
667 <                                        /* make sure everything is set */
669 <        c_ccvt(&sv->spec, C_CSXY+C_CSSPEC);
667 >        c_ccvt(&sv->spec, C_CSXY);      /* make sure (x,y) is set */
668          return SDEnone;
669   }
670  
# Line 791 | Line 789 | SDsampBSDF(SDValue *sv, FVECT ioVec, double randX, int
789                  randX -= sd->tLamb.cieY;
790          }
791                                          /* else one of cumulative dist. */
792 <        for (i = 0; i < n && randX > cdarr[i]->cTotal; i++)
792 >        for (i = 0; i < n && randX >= cdarr[i]->cTotal; i++)
793                  randX -= cdarr[i]->cTotal;
794          if (i >= n)
795                  return SDEinternal;
# Line 816 | Line 814 | SDsampBSDF(SDValue *sv, FVECT ioVec, double randX, int
814   done:
815          if (cdarr != NULL)
816                  free(cdarr);
817 <                                        /* make sure everything is set */
820 <        c_ccvt(&sv->spec, C_CSXY+C_CSSPEC);
817 >        c_ccvt(&sv->spec, C_CSXY);      /* make sure (x,y) is set */
818          return SDEnone;
819   }
820  

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