Commit: 51b274a6be5d59c7009fd3f439821d1e15b72709
Author: Sergey Sharybin
Date: Tue Jul 12 15:40:40 2016 +0200
Branches: master
https://developer.blender.org/rB51b274a6be5d59c7009fd3f439821d1e15b72709
Fix T48818: Objects with alpha maps cast wrong ray shadows in BI
===================================================================
M source/blender/render/intern/raytrace/rayobject.cpp
===================================================================
diff --git a/source/blender/render/intern/raytrace/rayobject.cpp
b/source/blender/render/intern/raytrace/rayobject.cpp
index f511042..2104315 100644
--- a/source/blender/render/intern/raytrace/rayobject.cpp
+++ b/source/blender/render/intern/raytrace/rayobject.cpp
@@ -145,8 +145,8 @@ MALWAYS_INLINE int isec_tri_quad(float start[3], const
struct IsectRayPrecalc *i
if (isect_ray_tri_watertight_v3(start, isect_precalc, face->v1,
face->v2, face->v3, &l, uv)) {
/* check if intersection is within ray length */
if (l > -RE_RAYTRACE_EPSILON && l < *lambda) {
- r_uv[0] = uv[0];
- r_uv[1] = uv[1];
+ r_uv[0] = -uv[0];
+ r_uv[1] = -uv[1];
*lambda = l;
return 1;
}
@@ -157,8 +157,8 @@ MALWAYS_INLINE int isec_tri_quad(float start[3], const
struct IsectRayPrecalc *i
if (isect_ray_tri_watertight_v3(start, isect_precalc, face->v1,
face->v3, face->v4, &l, uv)) {
/* check if intersection is within ray length */
if (l > -RE_RAYTRACE_EPSILON && l < *lambda) {
- r_uv[0] = uv[0];
- r_uv[1] = uv[1];
+ r_uv[0] = -uv[0];
+ r_uv[1] = -uv[1];
*lambda = l;
return 2;
}
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