}
/* set luxel filter radius */
- luxelFilterRadius = superSample * filterRadius / lm->sampleSize;
+ luxelFilterRadius = lm->sampleSize != 0 ? superSample * filterRadius / lm->sampleSize : 0;
if ( luxelFilterRadius == 0 && ( filterRadius > 0.0f || filter ) ) {
luxelFilterRadius = 1;
}