forked from blender/blender
Code improvements + Mix node #30
@ -289,9 +289,11 @@ 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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using InputsType = std::map<std::string, NodeItem>;
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/* NOTE: commented inputs aren't used for node creation. */
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auto bsdf_inputs = [&]() {
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return std::map<std::string, NodeItem>{
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auto bsdf_inputs = [&]() -> InputsType {
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return {
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{"base_color", get_input_value("Base Color", NodeItem::Type::Color3)},
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{"subsurface", get_input_value("Subsurface", NodeItem::Type::Float)},
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{"subsurface_scale", get_input_value("Subsurface Scale", NodeItem::Type::Float)},
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@ -320,265 +322,238 @@ NODE_SHADER_MATERIALX_BEGIN
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};
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};
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auto edf_inputs = [&]() {
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return std::map<std::string, NodeItem>{
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auto edf_inputs = [&]() -> InputsType {
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return {
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{"emission", get_input_value("Emission Strength", NodeItem::Type::Float)},
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{"emission_color", get_input_value("Emission", NodeItem::Type::Color3)}};
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{"emission_color", get_input_value("Emission", NodeItem::Type::Color3)},
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};
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};
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NodeItem res = empty();
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if (to_type_ == NodeItem::Type::BSDF) {
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auto in = bsdf_inputs();
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NodeItem roughness = in["roughness"];
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NodeItem anisotropy = in["anisotropic"];
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NodeItem rotation = in["anisotropic_rotation"];
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NodeItem base_color = in["base_color"];
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NodeItem specular = in["specular"];
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NodeItem coat = in["coat"];
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NodeItem ior = in["ior"];
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NodeItem normal = in["normal"];
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NodeItem tangent = in["tangent"];
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NodeItem coat_normal = in["coat_normal"];
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switch (to_type_) {
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case NodeItem::Type::BSDF: {
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auto in = bsdf_inputs();
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NodeItem n_main_tangent = empty();
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if (tangent && normal) {
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NodeItem n_tangent_rotate = create_node(
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"rotate3d",
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NodeItem::Type::Vector3,
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{{"in", tangent}, {"amount", rotation * val(360.0f)}, {"axis", normal}});
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NodeItem roughness = in["roughness"];
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NodeItem anisotropy = in["anisotropic"];
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NodeItem rotation = in["anisotropic_rotation"];
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NodeItem base_color = in["base_color"];
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NodeItem specular = in["specular"];
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NodeItem coat = in["coat"];
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NodeItem ior = in["ior"];
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NodeItem normal = in["normal"];
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NodeItem tangent = in["tangent"];
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NodeItem coat_normal = in["coat_normal"];
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NodeItem n_tangent_rotate_normalize = create_node(
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"normalize", NodeItem::Type::Vector3, {{"in", n_tangent_rotate}});
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NodeItem n_main_tangent = empty();
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if (tangent && normal) {
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NodeItem n_tangent_rotate = create_node(
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"rotate3d",
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NodeItem::Type::Vector3,
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{{"in", tangent}, {"amount", rotation * val(360.0f)}, {"axis", normal}});
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n_main_tangent = anisotropy.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_tangent_rotate_normalize = create_node(
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"normalize", NodeItem::Type::Vector3, {{"in", n_tangent_rotate}});
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NodeItem n_coat_roughness_vector = create_node(
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"roughness_anisotropy",
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NodeItem::Type::Vector2,
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{{"roughness", in["coat_roughness"]}, {"anisotropy", anisotropy}});
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n_main_tangent = anisotropy.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_bsdf = create_node("dielectric_bsdf",
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NodeItem::Type::BSDF,
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{{"weight", coat},
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{"tint", in["coat_tint"]},
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{"ior", in["coat_ior"]},
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{"scatter_mode", val(std::string("R"))},
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{"roughness", n_coat_roughness_vector},
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{"normal", coat_normal}});
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NodeItem n_coat_roughness_vector = create_node(
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"roughness_anisotropy",
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NodeItem::Type::Vector2,
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{{"roughness", in["coat_roughness"]}, {"anisotropy", anisotropy}});
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if (tangent && coat_normal) {
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NodeItem n_coat_tangent_rotate = create_node(
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"rotate3d",
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NodeItem::Type::Vector3,
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{{"in", tangent}, {"amount", rotation * val(360.0f)}, {"axis", coat_normal}});
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NodeItem n_coat_bsdf = create_node("dielectric_bsdf",
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NodeItem::Type::BSDF,
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{{"weight", coat},
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{"tint", in["coat_tint"]},
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{"ior", in["coat_ior"]},
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{"scatter_mode", val(std::string("R"))},
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{"roughness", n_coat_roughness_vector},
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{"normal", coat_normal}});
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NodeItem n_coat_tangent_rotate_normalize = create_node(
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"normalize", NodeItem::Type::Vector3, {{"in", n_coat_tangent_rotate}});
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if (tangent && coat_normal) {
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NodeItem n_coat_tangent_rotate = create_node(
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"rotate3d",
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NodeItem::Type::Vector3,
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{{"in", tangent}, {"amount", rotation * val(360.0f)}, {"axis", coat_normal}});
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NodeItem n_coat_tangent = anisotropy.if_else(
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NodeItem::CompareOp::Greater, val(0.0f), n_coat_tangent_rotate_normalize, tangent);
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NodeItem n_coat_tangent_rotate_normalize = create_node(
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"normalize", NodeItem::Type::Vector3, {{"in", n_coat_tangent_rotate}});
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n_coat_bsdf.set_input("tangent", n_coat_tangent);
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}
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NodeItem n_coat_tangent = anisotropy.if_else(
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NodeItem::CompareOp::Greater, val(0.0f), n_coat_tangent_rotate_normalize, tangent);
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NodeItem n_thin_film_bsdf = create_node(
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"thin_film_bsdf", NodeItem::Type::BSDF, {{"thickness", val(0.0f)}, {"ior", val(1.5f)}});
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n_coat_bsdf.set_input("tangent", n_coat_tangent);
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}
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NodeItem n_artistic_ior = create_node(
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"artistic_ior",
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NodeItem::Type::Multioutput,
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{{"reflectivity", base_color * val(1.0f)}, {"edge_color", base_color * specular}});
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NodeItem n_thin_film_bsdf = create_node(
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"thin_film_bsdf", NodeItem::Type::BSDF, {{"thickness", val(0.0f)}, {"ior", val(1.5f)}});
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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_artistic_ior = create_node(
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"artistic_ior",
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NodeItem::Type::Multioutput,
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{{"reflectivity", base_color * val(1.0f)}, {"edge_color", base_color * specular}});
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NodeItem n_coat_affect_roughness_multiply2 = coat * val(0.0f) * in["coat_roughness"];
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NodeItem n_coat_affected_roughness = n_coat_affect_roughness_multiply2.mix(roughness,
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val(1.0f));
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// NodeItem n_coat_affected_roughness = create_node(
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// "mix",
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// NodeItem::Type::Float,
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// {{"fg", val(1.0f)}, {"bg", roughness}, {"mix", n_coat_affect_roughness_multiply2}});
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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_main_roughness = create_node(
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"roughness_anisotropy",
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NodeItem::Type::Vector2,
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{{"roughness", n_coat_affected_roughness}, {"anisotropy", anisotropy}});
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NodeItem n_coat_affect_roughness_multiply2 = coat * val(0.0f) * in["coat_roughness"];
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NodeItem n_coat_affected_roughness = n_coat_affect_roughness_multiply2.mix(roughness,
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val(1.0f));
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NodeItem n_metal_bsdf = create_node("conductor_bsdf",
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NodeItem::Type::BSDF,
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{{"ior", n_ior_out},
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{"extinction", n_extinction_out},
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{"roughness", n_main_roughness},
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{"normal", normal},
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{"tangent", n_main_tangent}});
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NodeItem n_main_roughness = create_node(
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"roughness_anisotropy",
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NodeItem::Type::Vector2,
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{{"roughness", n_coat_affected_roughness}, {"anisotropy", anisotropy}});
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NodeItem n_specular_bsdf = create_node("dielectric_bsdf",
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NodeItem::Type::BSDF,
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{{"weight", specular},
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{"tint", in["specular_tint"]},
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{"ior", ior},
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{"scatter_mode", val(std::string("R"))},
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{"roughness", n_main_roughness},
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{"normal", normal},
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{"tangent", n_main_tangent}});
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NodeItem n_coat_affected_transmission_roughness = n_coat_affect_roughness_multiply2.mix(
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(roughness + roughness).clamp(), val(1.0f));
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// NodeItem n_coat_affected_transmission_roughness = create_node(
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// "mix",
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// NodeItem::Type::Float,
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// {{"fg", val(1.0f)},
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// {"bg", (roughness + roughness).clamp(0.0f, 1.0f)},
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// {"mix", n_coat_affect_roughness_multiply2}});
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NodeItem n_transmission_roughness = create_node(
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"roughness_anisotropy",
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NodeItem::Type::Vector2,
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{{"roughness", n_coat_affected_transmission_roughness}, {"anisotropy", anisotropy}});
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NodeItem n_transmission_bsdf = create_node("dielectric_bsdf",
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NodeItem::Type::BSDF,
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{{"tint", base_color},
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{"ior", ior},
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{"roughness", n_transmission_roughness},
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{"normal", normal},
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{"tangent", n_main_tangent}});
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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(
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"translucent_bsdf",
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NodeItem::Type::BSDF,
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{{"color", n_coat_affected_subsurface_color}, {"normal", normal}});
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NodeItem n_subsurface_bsdf = create_node(
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"subsurface_bsdf",
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NodeItem::Type::BSDF,
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{{"color", n_coat_affected_subsurface_color},
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{"radius", in["subsurface_radius"] * in["subsurface_scale"]},
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{"anisotropy", in["subsurface_anisotropy"]},
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{"normal", normal}});
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NodeItem n_selected_subsurface_bsdf = n_subsurface_bsdf;
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// NodeItem n_selected_subsurface_bsdf = create_node(
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// "mix",
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// NodeItem::Type::BSDF,
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// {{"fg", n_translucent_bsdf}, {"bg", n_subsurface_bsdf}, {"mix", val(0.0f)}});
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NodeItem n_sheen_bsdf = create_node("sheen_bsdf",
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NodeItem::Type::BSDF,
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{{"weight", in["sheen"]},
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{"color", in["sheen_tint"]},
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{"roughness", in["sheen_roughness"]},
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{"normal", normal}});
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NodeItem n_diffuse_bsdf = create_node("oren_nayar_diffuse_bsdf",
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NodeItem n_metal_bsdf = create_node("conductor_bsdf",
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NodeItem::Type::BSDF,
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{{"color", base_color.max(val(0.0f)) ^ n_coat_gamma},
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{"roughness", roughness},
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{"weight", val(1.0f)},
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{{"ior", n_ior_out},
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{"extinction", n_extinction_out},
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{"roughness", n_main_roughness},
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{"normal", normal},
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{"tangent", n_main_tangent}});
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NodeItem n_specular_bsdf = create_node("dielectric_bsdf",
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NodeItem::Type::BSDF,
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{{"weight", specular},
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{"tint", in["specular_tint"]},
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{"ior", ior},
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{"scatter_mode", val(std::string("R"))},
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{"roughness", n_main_roughness},
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{"normal", normal},
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{"tangent", n_main_tangent}});
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NodeItem n_coat_affected_transmission_roughness = n_coat_affect_roughness_multiply2.mix(
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(roughness + roughness).clamp(), val(1.0f));
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NodeItem n_transmission_roughness = create_node(
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"roughness_anisotropy",
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NodeItem::Type::Vector2,
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{{"roughness", n_coat_affected_transmission_roughness}, {"anisotropy", anisotropy}});
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NodeItem n_transmission_bsdf = create_node("dielectric_bsdf",
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NodeItem::Type::BSDF,
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{{"tint", base_color},
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{"ior", ior},
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{"roughness", n_transmission_roughness},
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{"normal", normal},
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{"tangent", n_main_tangent}});
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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(
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"translucent_bsdf",
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NodeItem::Type::BSDF,
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{{"color", n_coat_affected_subsurface_color}, {"normal", normal}});
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NodeItem n_subsurface_bsdf = create_node(
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"subsurface_bsdf",
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NodeItem::Type::BSDF,
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{{"color", n_coat_affected_subsurface_color},
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{"radius", in["subsurface_radius"] * in["subsurface_scale"]},
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{"anisotropy", in["subsurface_anisotropy"]},
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{"normal", normal}});
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NodeItem n_sheen_bsdf = create_node("sheen_bsdf",
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NodeItem::Type::BSDF,
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{{"weight", in["sheen"]},
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{"color", in["sheen_tint"]},
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{"roughness", in["sheen_roughness"]},
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{"normal", normal}});
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NodeItem n_subsurface_mix = in["subsurface"].mix(n_diffuse_bsdf, n_selected_subsurface_bsdf);
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// NodeItem n_subsurface_mix = create_node(
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// "mix",
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// NodeItem::Type::BSDF,
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// {{"fg", n_selected_subsurface_bsdf}, {"bg", n_diffuse_bsdf}, {"mix", in["subsurface"]}});
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NodeItem n_diffuse_bsdf = create_node("oren_nayar_diffuse_bsdf",
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NodeItem::Type::BSDF,
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{{"color", base_color.max(val(0.0f)) ^ n_coat_gamma},
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{"roughness", roughness},
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{"weight", val(1.0f)},
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{"normal", normal}});
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NodeItem n_sheen_layer = create_node(
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"layer", NodeItem::Type::BSDF, {{"top", n_sheen_bsdf}, {"base", n_subsurface_mix}});
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NodeItem n_subsurface_mix = in["subsurface"].mix(n_diffuse_bsdf, n_subsurface_bsdf);
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NodeItem n_transmission_mix = in["transmission"].mix(n_sheen_layer, n_transmission_bsdf);
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// NodeItem n_transmission_mix = create_node(
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// "mix",
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// NodeItem::Type::BSDF,
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// {{"fg", n_transmission_bsdf}, {"bg", n_sheen_layer}, {"mix", in["transmission"]}});
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NodeItem n_sheen_layer = create_node(
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"layer", NodeItem::Type::BSDF, {{"top", n_sheen_bsdf}, {"base", n_subsurface_mix}});
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NodeItem n_specular_layer = create_node(
|
||||
"layer", NodeItem::Type::BSDF, {{"top", n_specular_bsdf}, {"base", n_transmission_mix}});
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NodeItem n_transmission_mix = in["transmission"].mix(n_sheen_layer, n_transmission_bsdf);
|
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NodeItem n_metalness_mix = in["metallic"].mix(n_specular_layer, n_metal_bsdf);
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// NodeItem n_metalness_mix = create_node(
|
||||
// "mix",
|
||||
// NodeItem::Type::BSDF,
|
||||
// {{"fg", n_metal_bsdf}, {"bg", n_specular_layer}, {"mix", in["metallic"]}});
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||||
NodeItem n_specular_layer = create_node(
|
||||
"layer", NodeItem::Type::BSDF, {{"top", n_specular_bsdf}, {"base", n_transmission_mix}});
|
||||
|
||||
NodeItem n_thin_film_layer = create_node(
|
||||
"layer", NodeItem::Type::BSDF, {{"top", n_thin_film_bsdf}, {"base", n_metalness_mix}});
|
||||
NodeItem n_metalness_mix = in["metallic"].mix(n_specular_layer, n_metal_bsdf);
|
||||
|
||||
NodeItem n_opacity_luminance = create_node(
|
||||
"luminance", NodeItem::Type::Color3, {{"in", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))}});
|
||||
NodeItem n_thin_film_layer = create_node(
|
||||
"layer", NodeItem::Type::BSDF, {{"top", n_thin_film_bsdf}, {"base", n_metalness_mix}});
|
||||
|
||||
NodeItem n_coat_attenuation = coat.mix(val(MaterialX::Color3(1.0f, 1.0f, 1.0f)),
|
||||
in["coat_tint"]);
|
||||
// NodeItem n_coat_attenuation = create_node("mix",
|
||||
// NodeItem::Type::Color3,
|
||||
// {{"fg", in["coat_tint"]},
|
||||
// {"bg", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))},
|
||||
// {"mix", coat}});
|
||||
NodeItem n_opacity_luminance = create_node(
|
||||
"luminance", NodeItem::Type::Color3, {{"in", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))}});
|
||||
|
||||
res = create_node("layer",
|
||||
NodeItem::Type::BSDF,
|
||||
{{"top", n_coat_bsdf}, {"base", n_thin_film_layer * n_coat_attenuation}});
|
||||
NodeItem n_coat_attenuation = coat.mix(val(MaterialX::Color3(1.0f, 1.0f, 1.0f)),
|
||||
in["coat_tint"]);
|
||||
|
||||
res = create_node("layer",
|
||||
NodeItem::Type::BSDF,
|
||||
{{"top", n_coat_bsdf}, {"base", n_thin_film_layer * n_coat_attenuation}});
|
||||
break;
|
||||
}
|
||||
|
||||
case NodeItem::Type::EDF: {
|
||||
auto in = edf_inputs();
|
||||
res = create_node(
|
||||
"uniform_edf", NodeItem::Type::EDF, {{"color", in["emission_color"] * in["emission"]}});
|
||||
break;
|
||||
}
|
||||
|
||||
case NodeItem::Type::SurfaceShader: {
|
||||
auto in = bsdf_inputs();
|
||||
auto e_in = edf_inputs();
|
||||
in.insert(e_in.begin(), e_in.end());
|
||||
|
||||
NodeItem roughness = in["roughness"];
|
||||
NodeItem base_color = in["base_color"];
|
||||
NodeItem anisotropic = in["anisotropic"];
|
||||
NodeItem rotation = in["anisotropic_rotation"];
|
||||
|
||||
res = create_node("standard_surface",
|
||||
NodeItem::Type::SurfaceShader,
|
||||
{{"base", val(1.0f)},
|
||||
{"base_color", base_color},
|
||||
{"diffuse_roughness", roughness},
|
||||
{"metalness", in["metallic"]},
|
||||
{"specular", in["specular"]},
|
||||
{"specular_color", in["specular_tint"]},
|
||||
{"specular_roughness", roughness},
|
||||
{"specular_IOR", in["ior"]},
|
||||
{"specular_anisotropy", anisotropic},
|
||||
{"specular_rotation", rotation},
|
||||
{"transmission", in["transmission"]},
|
||||
{"transmission_color", base_color},
|
||||
{"transmission_extra_roughness", roughness},
|
||||
{"subsurface", in["subsurface"]},
|
||||
{"subsurface_color", base_color},
|
||||
{"subsurface_radius", in["subsurface_radius"] * in["subsurface_scale"]},
|
||||
{"subsurface_anisotropy", in["subsurface_anisotropy"]},
|
||||
{"sheen", in["sheen"]},
|
||||
{"sheen_color", in["sheen_tint"]},
|
||||
{"sheen_roughness", in["sheen_roughness"]},
|
||||
{"coat", in["coat"]},
|
||||
{"coat_color", in["coat_tint"]},
|
||||
{"coat_roughness", in["coat_roughness"]},
|
||||
{"coat_IOR", in["coat_ior"]},
|
||||
{"coat_anisotropy", anisotropic},
|
||||
{"coat_rotation", rotation},
|
||||
{"coat_normal", in["coat_normal"]},
|
||||
{"emission", in["emission"]},
|
||||
{"emission_color", in["emission_color"]},
|
||||
{"normal", in["normal"]},
|
||||
{"tangent", in["tangent"]}});
|
||||
break;
|
||||
}
|
||||
default:
|
||||
BLI_assert_unreachable();
|
||||
}
|
||||
else if (to_type_ == NodeItem::Type::EDF) {
|
||||
auto in = edf_inputs();
|
||||
|
||||
res = create_node(
|
||||
"uniform_edf", NodeItem::Type::EDF, {{"color", in["emission_color"] * in["emission"]}});
|
||||
}
|
||||
else if (to_type_ == NodeItem::Type::SurfaceShader) {
|
||||
auto in = bsdf_inputs();
|
||||
auto e_in = edf_inputs();
|
||||
in.insert(e_in.begin(), e_in.end());
|
||||
|
||||
NodeItem roughness = in["roughness"];
|
||||
NodeItem base_color = in["base_color"];
|
||||
NodeItem anisotropic = in["anisotropic"];
|
||||
NodeItem rotation = in["anisotropic_rotation"];
|
||||
|
||||
res = create_node("standard_surface",
|
||||
NodeItem::Type::SurfaceShader,
|
||||
{{"base", val(1.0f)},
|
||||
{"base_color", base_color},
|
||||
{"diffuse_roughness", roughness},
|
||||
{"metalness", in["metallic"]},
|
||||
{"specular", in["specular"]},
|
||||
{"specular_color", in["specular_tint"]},
|
||||
{"specular_roughness", roughness},
|
||||
{"specular_IOR", in["ior"]},
|
||||
{"specular_anisotropy", anisotropic},
|
||||
{"specular_rotation", rotation},
|
||||
{"transmission", in["transmission"]},
|
||||
{"transmission_color", base_color},
|
||||
{"transmission_extra_roughness", roughness},
|
||||
{"subsurface", in["subsurface"]},
|
||||
{"subsurface_color", base_color},
|
||||
{"subsurface_radius", in["subsurface_radius"] * in["subsurface_scale"]},
|
||||
{"subsurface_anisotropy", in["subsurface_anisotropy"]},
|
||||
{"sheen", in["sheen"]},
|
||||
{"sheen_color", in["sheen_tint"]},
|
||||
{"sheen_roughness", in["sheen_roughness"]},
|
||||
{"coat", in["coat"]},
|
||||
{"coat_color", in["coat_tint"]},
|
||||
{"coat_roughness", in["coat_roughness"]},
|
||||
{"coat_IOR", in["coat_ior"]},
|
||||
{"coat_anisotropy", anisotropic},
|
||||
{"coat_rotation", rotation},
|
||||
{"coat_normal", in["coat_normal"]},
|
||||
{"emission", in["emission"]},
|
||||
{"emission_color", in["emission_color"]},
|
||||
{"normal", in["normal"]},
|
||||
{"tangent", in["tangent"]}});
|
||||
}
|
||||
else {
|
||||
BLI_assert_unreachable();
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user