fixed a MI issue involving direct lighting computations through index-matched medium transitions

2013-01-09 22:37:07 -05:00 · 2013-01-09 22:37:07 -05:00 · 416f4fb6ab
parent 79e019612a
commit 416f4fb6ab
1 changed files with 1 additions and 2 deletions
--- a/src/integrators/path/volpath.cpp
+++ b/src/integrators/path/volpath.cpp
@ -130,8 +130,7 @@ public:
 						if (phaseVal != 0) {
 							/* Calculate prob. of having sampled that direction using
 							   phase function sampling */
-							Float phasePdf = (emitter->isOnSurface() && dRec.measure == ESolidAngle
-									&& interactions == 0)
+							Float phasePdf = (emitter->isOnSurface() && dRec.measure == ESolidAngle)
 									? phase->pdf(pRec) : (Float) 0.0f;

 							/* Weight using the power heuristic */