Commit: 25a0124bc890a3390ef7738707f218f50a8d8ac3 Author: Sergey Sharybin Date: Mon Aug 1 16:07:10 2022 +0200 Branches: master https://developer.blender.org/rB25a0124bc890a3390ef7738707f218f50a8d8ac3
Fix T100119: Light object's parametric vector distorted in blender 3.4 Caused by 38af5b050100. Adjust barycentric coordinates used for intersection result in the ray-to-rectangle intersection check. Differential Revision: https://developer.blender.org/D15592 =================================================================== M intern/cycles/util/math_intersect.h =================================================================== 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; } _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org List details, subscription details or unsubscribe: https://lists.blender.org/mailman/listinfo/bf-blender-cvs
