Bugfix for approximate AO to deal better with degenerate geometry.

2008-01-22 14:01:50 +00:00
parent 82b0ee69e5
commit ff714ce654
1 changed files with 4 additions and 0 deletions
--- a/source/blender/render/intern/source/occlusion.c
+++ b/source/blender/render/intern/source/occlusion.c
@@ -471,6 +471,10 @@ static void occ_build_8_split(OcclusionTree *tree, int begin, int end, int *offs

 	occ_build_split(tree, begin, end, &splitx);

+	/* force split if none found, to deal with degenerate geometry */
+	if(splitx == begin || splitx == end)
+		splitx= (begin+end)/2;
+
 	occ_build_split(tree, begin, splitx, &splity[0]);
 	occ_build_split(tree, splitx, end, &splity[1]);