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Fix T45904: Cycles bug after recent triangle intersect changes 

Calculated cross product from wrong vectors by accident.
This commit is contained in:
Sergey Sharybin 2015-08-25 18:19:03 +02:00
parent 9e188fdd53
commit 7dc75ea8f4
Notes: blender-bot 2023-02-14 08:44:00 +01:00 
Referenced by issue #45904, cycles bug
1 changed files with 1 additions and 1 deletions
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2
intern/cycles/kernel/geom/geom_triangle_intersect.h
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@ -173,7 +173,7 @@ ccl_device_inline bool triangle_intersect(KernelGlobals *kg,
if(kernel_tex_fetch(__prim_visibility, triAddr) & visibility)
#endif
{
if(len_squared(cross(tri_a, tri_b)) < 1e-14f) {
if(len_squared(cross(A, B)) < 1e-12f) {
return false;
}
/* Normalize U, V, W, and T. */