[Bf-blender-cvs] [a92805bf24f] master: Fix T93418: Cycles shadow terminator Geometry Offset artifacts with translucency
Mikhail Matrosov
noreply at git.blender.org
Tue Dec 7 19:02:23 CET 2021
Commit: a92805bf24f52e1764a5f930bbe9e4e8fcc7e24d
Author: Mikhail Matrosov
Date: Tue Dec 7 18:48:41 2021 +0100
Branches: master
https://developer.blender.org/rBa92805bf24f52e1764a5f930bbe9e4e8fcc7e24d
Fix T93418: Cycles shadow terminator Geometry Offset artifacts with translucency
Differential Revision: https://developer.blender.org/D13468
===================================================================
M intern/cycles/kernel/light/sample.h
===================================================================
diff --git a/intern/cycles/kernel/light/sample.h b/intern/cycles/kernel/light/sample.h
index ff5d43ed8cd..83f6d733d3a 100644
--- a/intern/cycles/kernel/light/sample.h
+++ b/intern/cycles/kernel/light/sample.h
@@ -200,6 +200,9 @@ ccl_device_inline float3 shadow_ray_offset(KernelGlobals kg,
if (offset_cutoff > 0.0f) {
float NgL = dot(Ng, L);
float offset_amount = 0.0f;
+ if (NL < 0) {
+ NL = -NL;
+ }
if (NL < offset_cutoff) {
offset_amount = clamp(2.0f - (NgL + NL) / offset_cutoff, 0.0f, 1.0f);
}
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