Fix #111277: NaN in Vector Displacement leading to render errors #111294
@ -165,7 +165,7 @@ ccl_device_noinline int svm_node_vector_displacement(
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tangent = normalize(sd->dPdu);
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}
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float3 bitangent = normalize(cross(normal, tangent));
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float3 bitangent = safe_normalize(cross(normal, tangent));
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const AttributeDescriptor attr_sign = find_attribute(kg, sd, node.w);
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if (attr_sign.offset != ATTR_STD_NOT_FOUND) {
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float sign = primitive_surface_attribute_float(kg, sd, attr_sign, NULL, NULL);
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