forked from blender/blender
MaterialX: split standard_surface into basic nodes #26
@ -287,11 +287,6 @@ static void node_shader_update_principled(bNodeTree *ntree, bNode *node)
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NODE_SHADER_MATERIALX_BEGIN
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#ifdef WITH_MATERIALX
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{
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if (to_type_ != NodeItem::Type::SurfaceShader) {
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/* TODO: implement for BSDF and EDF */
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return empty();
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}
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NodeItem base_color = get_input_value("Base Color", NodeItem::Type::Color3);
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NodeItem subsurface = get_input_value("Subsurface", NodeItem::Type::Float);
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@ -330,198 +325,247 @@ NODE_SHADER_MATERIALX_BEGIN
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subsurface_radius = subsurface_radius * subsurface_scale;
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NodeItem n_main_tangent = empty();
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if (tangent) {
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NodeItem n_tangent_rotate = create_node("rotate3d", NodeItem::Type::Vector3);
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n_tangent_rotate.set_input("in", tangent);
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n_tangent_rotate.set_input("amount", anisotropic_rotation * val(360.0f));
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n_tangent_rotate.set_input("axis", normal);
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NodeItem res = empty();
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if (to_type_ == NodeItem::Type::BSDF) {
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NodeItem n_main_tangent = empty();
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if (tangent) {
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NodeItem n_tangent_rotate = create_node("rotate3d", NodeItem::Type::Vector3);
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n_tangent_rotate.set_input("in", tangent);
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n_tangent_rotate.set_input("amount", anisotropic_rotation * val(360.0f));
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n_tangent_rotate.set_input("axis", normal);
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NodeItem n_tangent_rotate_normalize = create_node("normalize", NodeItem::Type::Vector3);
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n_tangent_rotate_normalize.set_input("in", n_tangent_rotate);
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NodeItem n_tangent_rotate_normalize = create_node("normalize", NodeItem::Type::Vector3);
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n_tangent_rotate_normalize.set_input("in", n_tangent_rotate);
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n_main_tangent = anisotropic.if_else(
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NodeItem::CompareOp::Greater, val(0.0f), n_tangent_rotate_normalize, tangent);
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n_main_tangent = anisotropic.if_else(
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NodeItem::CompareOp::Greater, val(0.0f), n_tangent_rotate_normalize, tangent);
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}
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NodeItem n_coat_roughness_vector = create_node("roughness_anisotropy",
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NodeItem::Type::Vector2);
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n_coat_roughness_vector.set_input("roughness", roughness);
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n_coat_roughness_vector.set_input("anisotropy", anisotropic);
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NodeItem n_coat_bsdf = create_node("dielectric_bsdf", NodeItem::Type::BSDF);
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n_coat_bsdf.set_input("weight", coat);
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n_coat_bsdf.set_input("tint", val(MaterialX::Color3(1.0f, 1.0f, 1.0f)));
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n_coat_bsdf.set_input("ior", ior);
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n_coat_bsdf.set_input("scatter_mode", val(std::string("R")));
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n_coat_bsdf.set_input("roughness", n_coat_roughness_vector);
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if (normal) {
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n_coat_bsdf.set_input("normal", normal);
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}
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if (tangent) {
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NodeItem n_coat_tangent_rotate = create_node("rotate3d", NodeItem::Type::Vector3);
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n_coat_tangent_rotate.set_input("in", tangent);
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n_coat_tangent_rotate.set_input("amount", anisotropic_rotation * val(360.0f));
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n_coat_tangent_rotate.set_input("axis", normal);
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NodeItem n_coat_tangent_rotate_normalize = create_node("normalize", NodeItem::Type::Vector3);
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n_coat_tangent_rotate_normalize.set_input("in", n_coat_tangent_rotate);
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NodeItem n_coat_tangent = anisotropic.if_else(
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NodeItem::CompareOp::Greater, val(0.0f), n_coat_tangent_rotate_normalize, tangent);
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n_coat_bsdf.set_input("tangent", n_coat_tangent);
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}
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NodeItem n_thin_film_bsdf = create_node("thin_film_bsdf", NodeItem::Type::BSDF);
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n_thin_film_bsdf.set_input("thickness", val(0.0f));
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n_thin_film_bsdf.set_input("ior", val(1.5f));
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NodeItem n_artistic_ior = create_node("artistic_ior", NodeItem::Type::Multioutput);
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n_artistic_ior.set_input("reflectivity", base_color * val(1.0f));
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n_artistic_ior.set_input("edge_color", base_color * specular);
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NodeItem n_ior_out = n_artistic_ior.add_output("ior", NodeItem::Type::Color3);
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NodeItem n_extinction_out = n_artistic_ior.add_output("extinction", NodeItem::Type::Color3);
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NodeItem n_coat_affect_roughness_multiply2 = coat * val(0.0f) * roughness;
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NodeItem n_coat_affected_roughness = create_node("mix", NodeItem::Type::Float);
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n_coat_affected_roughness.set_input("fg", val(1.0f));
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n_coat_affected_roughness.set_input("bg", roughness);
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n_coat_affected_roughness.set_input("mix", n_coat_affect_roughness_multiply2);
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NodeItem n_main_roughness = create_node("roughness_anisotropy", NodeItem::Type::Vector2);
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n_main_roughness.set_input("roughness", n_coat_affected_roughness);
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n_main_roughness.set_input("anisotropy", anisotropic);
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NodeItem n_metal_bsdf = create_node("conductor_bsdf", NodeItem::Type::BSDF);
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n_metal_bsdf.set_input("ior", n_ior_out);
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n_metal_bsdf.set_input("extinction", n_extinction_out);
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n_metal_bsdf.set_input("roughness", n_main_roughness);
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if (normal) {
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n_metal_bsdf.set_input("normal", normal);
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}
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if (n_main_tangent) {
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n_metal_bsdf.set_input("tangent", n_main_tangent);
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}
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NodeItem n_specular_bsdf = create_node("dielectric_bsdf", NodeItem::Type::BSDF);
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n_specular_bsdf.set_input("weight", specular);
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n_specular_bsdf.set_input("tint", base_color);
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n_specular_bsdf.set_input("ior", ior);
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n_specular_bsdf.set_input("scatter_mode", val(std::string("R")));
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n_specular_bsdf.set_input("roughness", n_main_roughness);
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if (normal) {
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n_specular_bsdf.set_input("normal", normal);
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}
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if (n_main_tangent) {
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n_specular_bsdf.set_input("tangent", n_main_tangent);
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}
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NodeItem n_coat_affected_transmission_roughness = create_node("mix", NodeItem::Type::Float);
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n_coat_affected_transmission_roughness.set_input("fg", val(1.0f));
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n_coat_affected_transmission_roughness.set_input("bg",
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(roughness + roughness).clamp(0.0f, 1.0f));
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n_coat_affected_transmission_roughness.set_input("mix", n_coat_affect_roughness_multiply2);
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NodeItem n_transmission_roughness = create_node("roughness_anisotropy",
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NodeItem::Type::Vector2);
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n_transmission_roughness.set_input("roughness", n_coat_affected_transmission_roughness);
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n_transmission_roughness.set_input("anisotropy", anisotropic);
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NodeItem n_transmission_bsdf = create_node("dielectric_bsdf", NodeItem::Type::BSDF);
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n_transmission_bsdf.set_input("tint", base_color);
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n_transmission_bsdf.set_input("ior", ior);
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n_transmission_bsdf.set_input("roughness", n_transmission_roughness);
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if (normal) {
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n_transmission_bsdf.set_input("normal", normal);
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}
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if (n_main_tangent) {
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n_transmission_bsdf.set_input("tangent", n_main_tangent);
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}
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NodeItem n_coat_gamma = coat.clamp(0.0f, 1.0f) * val(0.0f) + val(1.0f);
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NodeItem n_coat_affected_subsurface_color = base_color.max(val(0.0f)) ^ n_coat_gamma;
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NodeItem n_translucent_bsdf = create_node("translucent_bsdf", NodeItem::Type::BSDF);
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n_translucent_bsdf.set_input("color", n_coat_affected_subsurface_color);
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if (normal) {
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n_translucent_bsdf.set_input("normal", normal);
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}
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NodeItem n_subsurface_bsdf = create_node("subsurface_bsdf", NodeItem::Type::BSDF);
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n_subsurface_bsdf.set_input("color", n_coat_affected_subsurface_color);
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n_subsurface_bsdf.set_input("radius", subsurface_radius);
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n_subsurface_bsdf.set_input("anisotropy", anisotropic);
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if (normal) {
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n_subsurface_bsdf.set_input("normal", normal);
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}
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NodeItem n_selected_subsurface_bsdf = create_node("mix", NodeItem::Type::BSDF);
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n_selected_subsurface_bsdf.set_input("fg", n_translucent_bsdf);
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n_selected_subsurface_bsdf.set_input("bg", n_subsurface_bsdf);
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n_selected_subsurface_bsdf.set_input("mix", val(0.0f));
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NodeItem n_sheen_bsdf = create_node("sheen_bsdf", NodeItem::Type::BSDF);
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n_sheen_bsdf.set_input("weight", sheen);
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n_sheen_bsdf.set_input("color", base_color);
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n_sheen_bsdf.set_input("roughness", roughness);
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if (normal) {
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n_sheen_bsdf.set_input("normal", normal);
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}
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NodeItem n_diffuse_bsdf = create_node("oren_nayar_diffuse_bsdf", NodeItem::Type::BSDF);
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n_diffuse_bsdf.set_input("color", base_color.max(val(0.0f)) ^ n_coat_gamma);
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n_diffuse_bsdf.set_input("roughness", roughness);
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n_diffuse_bsdf.set_input("weight", val(1.0f));
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if (normal) {
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n_diffuse_bsdf.set_input("normal", normal);
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}
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NodeItem n_subsurface_mix = create_node("mix", NodeItem::Type::BSDF);
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n_subsurface_mix.set_input("fg", n_selected_subsurface_bsdf);
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n_subsurface_mix.set_input("bg", n_diffuse_bsdf);
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n_subsurface_mix.set_input("mix", subsurface);
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NodeItem n_sheen_layer = create_node("layer", NodeItem::Type::BSDF);
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n_sheen_layer.set_input("top", n_sheen_bsdf);
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n_sheen_layer.set_input("base", n_subsurface_mix);
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NodeItem n_transmission_mix = create_node("mix", NodeItem::Type::BSDF);
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n_transmission_mix.set_input("fg", n_transmission_bsdf);
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n_transmission_mix.set_input("bg", n_sheen_layer);
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n_transmission_mix.set_input("mix", transmission);
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NodeItem n_specular_layer = create_node("layer", NodeItem::Type::BSDF);
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n_specular_layer.set_input("top", n_specular_bsdf);
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n_specular_layer.set_input("base", n_transmission_mix);
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NodeItem n_metalness_mix = create_node("mix", NodeItem::Type::BSDF);
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n_metalness_mix.set_input("fg", n_metal_bsdf);
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n_metalness_mix.set_input("bg", n_specular_layer);
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n_metalness_mix.set_input("mix", metallic);
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NodeItem n_thin_film_layer = create_node("layer", NodeItem::Type::BSDF);
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n_thin_film_layer.set_input("top", n_thin_film_bsdf);
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n_thin_film_layer.set_input("base", n_metalness_mix);
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NodeItem n_opacity_luminance = create_node("luminance", NodeItem::Type::Color3);
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n_opacity_luminance.set_input("in", val(MaterialX::Color3(1.0f, 1.0f, 1.0f)));
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NodeItem n_coat_attenuation = create_node("mix", NodeItem::Type::Color3);
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n_coat_attenuation.set_input("fg", base_color);
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n_coat_attenuation.set_input("bg", val(MaterialX::Color3(1.0f, 1.0f, 1.0f)));
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n_coat_attenuation.set_input("mix", coat);
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res = create_node("layer", NodeItem::Type::BSDF);
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res.set_input("top", n_coat_bsdf);
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res.set_input("base", n_thin_film_layer * n_coat_attenuation);
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return res;
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}
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NodeItem n_coat_roughness_vector = create_node("roughness_anisotropy", NodeItem::Type::Vector2);
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n_coat_roughness_vector.set_input("roughness", roughness);
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n_coat_roughness_vector.set_input("anisotropy", anisotropic);
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NodeItem n_coat_bsdf = create_node("dielectric_bsdf", NodeItem::Type::BSDF);
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n_coat_bsdf.set_input("weight", coat);
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n_coat_bsdf.set_input("tint", val(MaterialX::Color3(1.0f, 1.0f, 1.0f)));
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n_coat_bsdf.set_input("ior", ior);
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n_coat_bsdf.set_input("scatter_mode", val(std::string("R")));
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n_coat_bsdf.set_input("roughness", n_coat_roughness_vector);
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if (normal) {
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n_coat_bsdf.set_input("normal", normal);
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else if (to_type_ == NodeItem::Type::EDF) {
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res = create_node("uniform_edf", NodeItem::Type::EDF);
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res.set_input("color", emission * emission_strength);
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}
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else if (to_type_ == NodeItem::Type::SurfaceShader) {
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res = create_node("standard_surface", NodeItem::Type::SurfaceShader);
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res.set_input("base", val(1.0f));
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res.set_input("base_color", base_color);
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res.set_input("diffuse_roughness", roughness);
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if (normal) {
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res.set_input("normal", normal);
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}
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if (tangent) {
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res.set_input("tangent", tangent);
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}
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res.set_input("metalness", metallic);
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if (tangent) {
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NodeItem n_coat_tangent_rotate = create_node("rotate3d", NodeItem::Type::Vector3);
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n_coat_tangent_rotate.set_input("in", tangent);
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n_coat_tangent_rotate.set_input("amount", anisotropic_rotation * val(360.0f));
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n_coat_tangent_rotate.set_input("axis", normal);
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res.set_input("specular", specular);
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res.set_input("specular_color", base_color);
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res.set_input("specular_roughness", roughness);
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res.set_input("specular_IOR", ior);
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res.set_input("specular_anisotropy", anisotropic);
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res.set_input("specular_rotation", anisotropic_rotation);
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NodeItem n_coat_tangent_rotate_normalize = create_node("normalize", NodeItem::Type::Vector3);
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n_coat_tangent_rotate_normalize.set_input("in", n_coat_tangent_rotate);
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res.set_input("transmission", transmission);
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res.set_input("transmission_color", base_color);
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res.set_input("transmission_extra_roughness", roughness);
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NodeItem n_coat_tangent = anisotropic.if_else(
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NodeItem::CompareOp::Greater, val(0.0f), n_coat_tangent_rotate_normalize, tangent);
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res.set_input("subsurface", subsurface);
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res.set_input("subsurface_color", base_color);
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res.set_input("subsurface_radius", subsurface_radius);
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res.set_input("subsurface_anisotropy", anisotropic);
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n_coat_bsdf.set_input("tangent", n_coat_tangent);
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res.set_input("sheen", sheen);
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res.set_input("sheen_color", base_color);
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res.set_input("sheen_roughness", roughness);
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res.set_input("coat", coat);
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res.set_input("coat_color", base_color);
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res.set_input("coat_roughness", coat_roughness);
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res.set_input("coat_IOR", ior);
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res.set_input("coat_anisotropy", anisotropic);
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res.set_input("coat_rotation", anisotropic_rotation);
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if (coat_normal) {
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res.set_input("coat_normal", coat_normal);
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}
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res.set_input("emission", emission_strength);
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res.set_input("emission_color", emission);
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}
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NodeItem n_thin_film_bsdf = create_node("thin_film_bsdf", NodeItem::Type::BSDF);
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n_thin_film_bsdf.set_input("thickness", val(0.0f));
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n_thin_film_bsdf.set_input("ior", val(1.5f));
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NodeItem n_artistic_ior = create_node("artistic_ior", NodeItem::Type::Multioutput);
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n_artistic_ior.set_input("reflectivity", base_color * val(1.0f));
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n_artistic_ior.set_input("edge_color", base_color * specular);
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NodeItem n_ior_out = n_artistic_ior.add_output("ior", NodeItem::Type::Color3);
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NodeItem n_extinction_out = n_artistic_ior.add_output("extinction", NodeItem::Type::Color3);
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NodeItem n_coat_affect_roughness_multiply2 = coat * val(0.0f) * roughness;
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NodeItem n_coat_affected_roughness = create_node("mix", NodeItem::Type::Float);
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n_coat_affected_roughness.set_input("fg", val(1.0f));
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n_coat_affected_roughness.set_input("bg", roughness);
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n_coat_affected_roughness.set_input("mix", n_coat_affect_roughness_multiply2);
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NodeItem n_main_roughness = create_node("roughness_anisotropy", NodeItem::Type::Vector2);
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n_main_roughness.set_input("roughness", n_coat_affected_roughness);
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n_main_roughness.set_input("anisotropy", anisotropic);
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NodeItem n_metal_bsdf = create_node("conductor_bsdf", NodeItem::Type::BSDF);
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n_metal_bsdf.set_input("ior", n_ior_out);
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n_metal_bsdf.set_input("extinction", n_extinction_out);
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n_metal_bsdf.set_input("roughness", n_main_roughness);
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if (normal) {
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n_metal_bsdf.set_input("normal", normal);
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}
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if (n_main_tangent) {
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n_metal_bsdf.set_input("tangent", n_main_tangent);
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}
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NodeItem n_specular_bsdf = create_node("dielectric_bsdf", NodeItem::Type::BSDF);
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n_specular_bsdf.set_input("weight", specular);
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n_specular_bsdf.set_input("tint", base_color);
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n_specular_bsdf.set_input("ior", ior);
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n_specular_bsdf.set_input("scatter_mode", val(std::string("R")));
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n_specular_bsdf.set_input("roughness", n_main_roughness);
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if (normal) {
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n_specular_bsdf.set_input("normal", normal);
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}
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if (n_main_tangent) {
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n_specular_bsdf.set_input("tangent", n_main_tangent);
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}
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NodeItem n_coat_affected_transmission_roughness = create_node("mix", NodeItem::Type::Float);
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n_coat_affected_transmission_roughness.set_input("fg", val(1.0f));
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n_coat_affected_transmission_roughness.set_input("bg",
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(roughness + roughness).clamp(0.0f, 1.0f));
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n_coat_affected_transmission_roughness.set_input("mix", n_coat_affect_roughness_multiply2);
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|
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NodeItem n_transmission_roughness = create_node("roughness_anisotropy", NodeItem::Type::Vector2);
|
||||
n_transmission_roughness.set_input("roughness", n_coat_affected_transmission_roughness);
|
||||
n_transmission_roughness.set_input("anisotropy", anisotropic);
|
||||
|
||||
NodeItem n_transmission_bsdf = create_node("dielectric_bsdf", NodeItem::Type::BSDF);
|
||||
n_transmission_bsdf.set_input("tint", base_color);
|
||||
n_transmission_bsdf.set_input("ior", ior);
|
||||
n_transmission_bsdf.set_input("roughness", n_transmission_roughness);
|
||||
if (normal) {
|
||||
n_transmission_bsdf.set_input("normal", normal);
|
||||
}
|
||||
if (n_main_tangent) {
|
||||
n_transmission_bsdf.set_input("tangent", n_main_tangent);
|
||||
}
|
||||
|
||||
NodeItem n_coat_gamma = coat.clamp(0.0f, 1.0f) * val(0.0f) + val(1.0f);
|
||||
NodeItem n_coat_affected_subsurface_color = base_color.max(val(0.0f)) ^ n_coat_gamma;
|
||||
NodeItem n_translucent_bsdf = create_node("translucent_bsdf", NodeItem::Type::BSDF);
|
||||
n_translucent_bsdf.set_input("color", n_coat_affected_subsurface_color);
|
||||
if (normal) {
|
||||
n_translucent_bsdf.set_input("normal", normal);
|
||||
}
|
||||
|
||||
NodeItem n_subsurface_bsdf = create_node("subsurface_bsdf", NodeItem::Type::BSDF);
|
||||
n_subsurface_bsdf.set_input("color", n_coat_affected_subsurface_color);
|
||||
n_subsurface_bsdf.set_input("radius", subsurface_radius);
|
||||
n_subsurface_bsdf.set_input("anisotropy", anisotropic);
|
||||
if (normal) {
|
||||
n_subsurface_bsdf.set_input("normal", normal);
|
||||
}
|
||||
|
||||
NodeItem n_selected_subsurface_bsdf = create_node("mix", NodeItem::Type::BSDF);
|
||||
n_selected_subsurface_bsdf.set_input("fg", n_translucent_bsdf);
|
||||
n_selected_subsurface_bsdf.set_input("bg", n_subsurface_bsdf);
|
||||
n_selected_subsurface_bsdf.set_input("mix", val(0.0f));
|
||||
|
||||
NodeItem n_sheen_bsdf = create_node("sheen_bsdf", NodeItem::Type::BSDF);
|
||||
n_sheen_bsdf.set_input("weight", sheen);
|
||||
n_sheen_bsdf.set_input("color", base_color);
|
||||
n_sheen_bsdf.set_input("roughness", roughness);
|
||||
if (normal) {
|
||||
n_sheen_bsdf.set_input("normal", normal);
|
||||
}
|
||||
|
||||
NodeItem n_diffuse_bsdf = create_node("oren_nayar_diffuse_bsdf", NodeItem::Type::BSDF);
|
||||
n_diffuse_bsdf.set_input("color", base_color.max(val(0.0f)) ^ n_coat_gamma);
|
||||
n_diffuse_bsdf.set_input("roughness", roughness);
|
||||
n_diffuse_bsdf.set_input("weight", val(1.0f));
|
||||
if (normal) {
|
||||
n_diffuse_bsdf.set_input("normal", normal);
|
||||
}
|
||||
|
||||
NodeItem n_subsurface_mix = create_node("mix", NodeItem::Type::BSDF);
|
||||
n_subsurface_mix.set_input("fg", n_selected_subsurface_bsdf);
|
||||
n_subsurface_mix.set_input("bg", n_diffuse_bsdf);
|
||||
n_subsurface_mix.set_input("mix", subsurface);
|
||||
|
||||
NodeItem n_sheen_layer = create_node("layer", NodeItem::Type::BSDF);
|
||||
n_sheen_layer.set_input("top", n_sheen_bsdf);
|
||||
n_sheen_layer.set_input("base", n_subsurface_mix);
|
||||
|
||||
NodeItem n_transmission_mix = create_node("mix", NodeItem::Type::BSDF);
|
||||
n_transmission_mix.set_input("fg", n_transmission_bsdf);
|
||||
n_transmission_mix.set_input("bg", n_sheen_layer);
|
||||
n_transmission_mix.set_input("mix", transmission);
|
||||
|
||||
NodeItem n_specular_layer = create_node("layer", NodeItem::Type::BSDF);
|
||||
n_specular_layer.set_input("top", n_specular_bsdf);
|
||||
n_specular_layer.set_input("base", n_transmission_mix);
|
||||
|
||||
NodeItem n_metalness_mix = create_node("mix", NodeItem::Type::BSDF);
|
||||
n_metalness_mix.set_input("fg", n_metal_bsdf);
|
||||
n_metalness_mix.set_input("bg", n_specular_layer);
|
||||
n_metalness_mix.set_input("mix", metallic);
|
||||
|
||||
NodeItem n_thin_film_layer = create_node("layer", NodeItem::Type::BSDF);
|
||||
n_thin_film_layer.set_input("top", n_thin_film_bsdf);
|
||||
n_thin_film_layer.set_input("base", n_metalness_mix);
|
||||
|
||||
NodeItem n_opacity_luminance = create_node("luminance", NodeItem::Type::Color3);
|
||||
n_opacity_luminance.set_input("in", val(MaterialX::Color3(1.0f, 1.0f, 1.0f)));
|
||||
|
||||
NodeItem n_emission_edf = create_node("uniform_edf", NodeItem::Type::EDF);
|
||||
n_emission_edf.set_input("color", emission * emission_strength);
|
||||
|
||||
NodeItem n_coat_attenuation = create_node("mix", NodeItem::Type::Color3);
|
||||
n_coat_attenuation.set_input("fg", base_color);
|
||||
n_coat_attenuation.set_input("bg", val(MaterialX::Color3(1.0f, 1.0f, 1.0f)));
|
||||
n_coat_attenuation.set_input("mix", coat);
|
||||
|
||||
NodeItem n_coat_layer = create_node("layer", NodeItem::Type::BSDF);
|
||||
n_coat_layer.set_input("top", n_coat_bsdf);
|
||||
n_coat_layer.set_input("base", n_thin_film_layer * n_coat_attenuation);
|
||||
|
||||
NodeItem res = create_node("surface", NodeItem::Type::SurfaceShader);
|
||||
res.set_input("bsdf", n_coat_layer);
|
||||
res.set_input("edf", n_emission_edf);
|
||||
res.set_input("opacity", n_opacity_luminance.extract(0));
|
||||
|
||||
return res;
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -42,8 +42,8 @@ NODE_SHADER_MATERIALX_BEGIN
|
||||
}
|
||||
else if (shader1 && shader2) {
|
||||
res = create_node("mix", to_type_);
|
||||
res.set_input("fg", shader1);
|
||||
res.set_input("bg", shader2);
|
||||
res.set_input("fg", shader2);
|
||||
res.set_input("bg", shader1);
|
||||
res.set_input("mix", fac);
|
||||
}
|
||||
break;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user