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Fix for wrong cycles tangent in some cases, was missing transform.

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This commit is contained in:
Brecht Van Lommel 2012-10-13 12:11:01 +00:00
parent ee67123748
commit 51105bb2bd
1 changed files with 10 additions and 4 deletions
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14
intern/cycles/kernel/svm/svm_geometry.h
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@ -29,12 +29,18 @@ __device void svm_node_geometry(KernelGlobals *kg, ShaderData *sd, float *stack,
case NODE_GEOM_N: data = sd->N; break;
#ifdef __DPDU__
case NODE_GEOM_T: {
int attr_offset = find_attribute(kg, sd, ATTR_STD_TANGENT);
if(sd->object != ~0) {
int attr_offset = find_attribute(kg, sd, ATTR_STD_TANGENT);
if(attr_offset == ATTR_STD_NOT_FOUND)
data = normalize(sd->dPdu);
if(attr_offset != ATTR_STD_NOT_FOUND) {
data = triangle_attribute_float3(kg, sd, ATTR_ELEMENT_VERTEX, attr_offset, NULL, NULL);
object_normal_transform(kg, sd, &data);
}
else
data = normalize(sd->dPdu);
}
else
data = triangle_attribute_float3(kg, sd, ATTR_ELEMENT_VERTEX, attr_offset, NULL, NULL);
data = normalize(sd->dPdu);
break;
}