[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [60708] trunk/blender/source/blender/ render/intern/source/sss.c: Fix #37045: blender internal SSS rendering black on some system when the SSS

Brecht Van Lommel brechtvanlommel at pandora.be
Sat Oct 12 15:44:40 CEST 2013


Revision: 60708
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=60708
Author:   blendix
Date:     2013-10-12 13:44:40 +0000 (Sat, 12 Oct 2013)
Log Message:
-----------
Fix #37045: blender internal SSS rendering black on some system when the SSS
reflection color was set to 1 1 1. BSSRDF parameter fit not converging properly
due to float precision issues.

Modified Paths:
--------------
    trunk/blender/source/blender/render/intern/source/sss.c

Modified: trunk/blender/source/blender/render/intern/source/sss.c
===================================================================
--- trunk/blender/source/blender/render/intern/source/sss.c	2013-10-12 12:54:09 UTC (rev 60707)
+++ trunk/blender/source/blender/render/intern/source/sss.c	2013-10-12 13:44:40 UTC (rev 60708)
@@ -309,7 +309,7 @@
 	ss->Fdr= -1.440f/ior*ior + 0.710f/ior + 0.668f + 0.0636f*ior;
 	ss->A= (1.0f + ss->Fdr)/(1.0f - ss->Fdr);
 	ss->ld= radius;
-	ss->ro= min_ff(refl, 0.999f);
+	ss->ro= min_ff(refl, 0.99f);
 	ss->color= ss->ro*reflfac + (1.0f-reflfac);
 
 	ss->alpha_= compute_reduced_albedo(ss);




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