diff options
Diffstat (limited to 'intern/cycles/util')
| -rw-r--r-- | intern/cycles/util/math_intersect.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/intern/cycles/util/math_intersect.h b/intern/cycles/util/math_intersect.h index 37bdc5f1ccf..cc07cbe7745 100644 --- a/intern/cycles/util/math_intersect.h +++ b/intern/cycles/util/math_intersect.h @@ -209,10 +209,13 @@ ccl_device bool ray_quad_intersect(float3 ray_P, *isect_P = hit; if (isect_t != NULL) *isect_t = t; + + /* NOTE: Return barycentric coordinates in the same notation as Embree and OptiX. */ if (isect_u != NULL) - *isect_u = u + 0.5f; + *isect_u = v + 0.5f; if (isect_v != NULL) - *isect_v = v + 0.5f; + *isect_v = -u - v; + return true; } |