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root/radiance/ray/src/common/tonemap.c
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Comparing ray/src/common/tonemap.c (file contents):
Revision 3.52 by greg, Wed May 26 17:50:26 2021 UTC vs.
Revision 3.53 by greg, Fri Jan 7 23:01:01 2022 UTC

# Line 321 | Line 321 | int    len
321                                  cmon[BLU] += d;
322                          }
323                  } else if (tms->flags & TM_F_BW) {
324 <                        cmon[RED] = cmon[GRN] = cmon[BLU] = lum;
324 >                        int     j = 3;
325 >                        while (j--) cs[3*i+j] = tms->cdiv[j]/(TM_BRES>>8);
326 >                        continue;
327                  }
328                  d = tms->clf[RED]*cmon[RED]/lum;
329                  cs[3*i  ] = d>=.999f ? 255 : gamtab[(int)(1024.f*d)];

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