From e2bf16de5d94a7b438e9c1af52f0bb4dc632b35f Mon Sep 17 00:00:00 2001 From: Stan Seibert Date: Fri, 17 Feb 2012 18:16:16 -0500 Subject: For paranoia reasons, add some padding on the low corner of the BVH leaf nodes. --- chroma/cuda/bvh.cu | 3 +++ 1 file changed, 3 insertions(+) diff --git a/chroma/cuda/bvh.cu b/chroma/cuda/bvh.cu index 2080ab7..053eb2b 100644 --- a/chroma/cuda/bvh.cu +++ b/chroma/cuda/bvh.cu @@ -179,6 +179,9 @@ extern "C" // Quantize bounding corners and centroid uint3 q_lower = quantize3(lower, world_origin, world_scale); + if (q_lower.x > 0) q_lower.x--; + if (q_lower.y > 0) q_lower.y--; + if (q_lower.z > 0) q_lower.z--; uint3 q_upper = quantize3(upper, world_origin, world_scale) + 1; uint3 q_centroid = quantize3(centroid, world_origin, world_scale); -- cgit