diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_vector_displacement.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_vector_displacement.osl | 78 |
1 files changed, 38 insertions, 40 deletions
diff --git a/intern/cycles/kernel/shaders/node_vector_displacement.osl b/intern/cycles/kernel/shaders/node_vector_displacement.osl index b19bc228e37..e9bd336347f 100644 --- a/intern/cycles/kernel/shaders/node_vector_displacement.osl +++ b/intern/cycles/kernel/shaders/node_vector_displacement.osl @@ -16,45 +16,43 @@ #include "stdosl.h" -shader node_vector_displacement( - color Vector = color(0.0, 0.0, 0.0), - float Midlevel = 0.0, - float Scale = 1.0, - string space = "tangent", - string attr_name = "geom:tangent", - string attr_sign_name = "geom:tangent_sign", - output vector Displacement = vector(0.0, 0.0, 0.0)) +shader node_vector_displacement(color Vector = color(0.0, 0.0, 0.0), + float Midlevel = 0.0, + float Scale = 1.0, + string space = "tangent", + string attr_name = "geom:tangent", + string attr_sign_name = "geom:tangent_sign", + output vector Displacement = vector(0.0, 0.0, 0.0)) { - vector offset = (Vector - vector(Midlevel)) * Scale; - - if(space == "tangent") { - /* Tangent space. */ - vector N_object = normalize(transform("world", "object", N)); - - vector T_object; - if(getattribute(attr_name, T_object)) { - T_object = normalize(T_object); - } - else { - T_object = normalize(dPdu); - } - - vector B_object = normalize(cross(N_object, T_object)); - float tangent_sign; - if(getattribute(attr_sign_name, tangent_sign)) { - B_object *= tangent_sign; - } - - Displacement = T_object*offset[0] + N_object*offset[1] + B_object*offset[2]; - } - else { - /* Object or world space. */ - Displacement = offset; - } - - if(space != "world") { - /* Tangent or object space. */ - Displacement = transform("object", "world", Displacement); - } + vector offset = (Vector - vector(Midlevel)) * Scale; + + if (space == "tangent") { + /* Tangent space. */ + vector N_object = normalize(transform("world", "object", N)); + + vector T_object; + if (getattribute(attr_name, T_object)) { + T_object = normalize(T_object); + } + else { + T_object = normalize(dPdu); + } + + vector B_object = normalize(cross(N_object, T_object)); + float tangent_sign; + if (getattribute(attr_sign_name, tangent_sign)) { + B_object *= tangent_sign; + } + + Displacement = T_object * offset[0] + N_object * offset[1] + B_object * offset[2]; + } + else { + /* Object or world space. */ + Displacement = offset; + } + + if (space != "world") { + /* Tangent or object space. */ + Displacement = transform("object", "world", Displacement); + } } - |