Commit: 3b7bce42d7096d840c4cbdb6c4b98310cfe551ef
Author: Sergey Sharybin
Date: Fri Jul 8 18:10:29 2016 +0200
Branches: master
https://developer.blender.org/rB3b7bce42d7096d840c4cbdb6c4b98310cfe551ef
Fix T48799: Particles set as objects cast wrong ray shadows in BI
===================================================================
M source/blender/render/intern/raytrace/rayobject_instance.cpp
===================================================================
diff --git a/source/blender/render/intern/raytrace/rayobject_instance.cpp
b/source/blender/render/intern/raytrace/rayobject_instance.cpp
index d080ddc..349f0fc 100644
--- a/source/blender/render/intern/raytrace/rayobject_instance.cpp
+++ b/source/blender/render/intern/raytrace/rayobject_instance.cpp
@@ -125,6 +125,9 @@ static int RE_rayobject_instance_intersect(RayObject *o,
Isect *isec)
isec->bv_index[2 * i + 1] = i + 3 * isec->bv_index[2 * i + 1];
}
+ // Pre-calculate orientation for watertight intersection checks.
+ isect_ray_tri_watertight_v3_precalc(&isec->isect_precalc, isec->dir);
+
// raycast
res = RE_rayobject_intersect(obj->target, isec);
@@ -168,6 +171,9 @@ static int RE_rayobject_instance_intersect(RayObject *o,
Isect *isec)
isec->bv_index[2 * i + 1] = i + 3 * isec->bv_index[2 * i + 1];
}
+ // Pre-calculate orientation for watertight intersection checks.
+ isect_ray_tri_watertight_v3_precalc(&isec->isect_precalc, isec->dir);
+
return res;
}
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