diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_geometry.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_geometry.h | 49 |
1 files changed, 32 insertions, 17 deletions
diff --git a/intern/cycles/kernel/svm/svm_geometry.h b/intern/cycles/kernel/svm/svm_geometry.h index c4d03c1f948..a04f4ea0fa7 100644 --- a/intern/cycles/kernel/svm/svm_geometry.h +++ b/intern/cycles/kernel/svm/svm_geometry.h @@ -28,23 +28,7 @@ __device void svm_node_geometry(KernelGlobals *kg, ShaderData *sd, float *stack, case NODE_GEOM_P: data = sd->P; break; case NODE_GEOM_N: data = sd->N; break; #ifdef __DPDU__ - case NODE_GEOM_T: { - /* try to create spherical tangent from generated coordinates */ - int attr_offset = (sd->object != ~0)? find_attribute(kg, sd, ATTR_STD_GENERATED): ATTR_STD_NOT_FOUND; - - if(attr_offset != ATTR_STD_NOT_FOUND) { - data = triangle_attribute_float3(kg, sd, ATTR_ELEMENT_VERTEX, attr_offset, NULL, NULL); - data = make_float3(-(data.y - 0.5f), (data.x - 0.5f), 0.0f); - object_normal_transform(kg, sd, &data); - data = cross(sd->N, normalize(cross(data, sd->N)));; - } - else { - /* otherwise use surface derivatives */ - data = normalize(sd->dPdu); - } - - break; - } + case NODE_GEOM_T: data = primitive_tangent(kg, sd); break; #endif case NODE_GEOM_I: data = sd->I; break; case NODE_GEOM_Ng: data = sd->Ng; break; @@ -160,5 +144,36 @@ __device void svm_node_particle_info(KernelGlobals *kg, ShaderData *sd, float *s } } +#ifdef __HAIR__ + +/* Hair Info */ + +__device void svm_node_hair_info(KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset) +{ + float data; + float3 data3; + + switch(type) { + case NODE_INFO_CURVE_IS_STRAND: { + data = (sd->segment != ~0); + stack_store_float(stack, out_offset, data); + break; + } + case NODE_INFO_CURVE_INTERCEPT: + break; /* handled as attribute */ + case NODE_INFO_CURVE_THICKNESS: { + data = curve_thickness(kg, sd); + stack_store_float(stack, out_offset, data); + break; + } + case NODE_INFO_CURVE_TANGENT_NORMAL: { + data3 = curve_tangent_normal(kg, sd); + stack_store_float3(stack, out_offset, data3); + break; + } + } +} +#endif + CCL_NAMESPACE_END |