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MaterialX: split standard_surface into basic nodes #26

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Bogdan Nagirniak merged 11 commits from matx-principlebsdf-split into matx-export-material 2023-09-21 10:58:14 +02:00
Conversation 0 Commits 11 Files Changed 3 +122 -196
1 changed files with 122 additions and 196 deletions
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194
source/blender/nodes/shader/nodes/node_shader_bsdf_principled.cc
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@ -382,13 +382,10 @@ NODE_SHADER_MATERIALX_BEGIN
NodeItem n_main_tangent = empty();
if (tangent) {
NodeItem n_tangent_rotate = create_node("rotate3d",
NodeItem n_tangent_rotate = create_node(
"rotate3d",
NodeItem::Type::Vector3,
{
{"in", tangent},
{"amount", rotation * val(360.0f)},
{"axis", normal},
});
{{"in", tangent}, {"amount", rotation * val(360.0f)}, {"axis", normal}});
NodeItem n_tangent_rotate_normalize = create_node(
"normalize", NodeItem::Type::Vector3, {{"in", n_tangent_rotate}});
@ -397,38 +394,28 @@ NODE_SHADER_MATERIALX_BEGIN
NodeItem::CompareOp::Greater, val(0.0f), n_tangent_rotate_normalize, tangent);
}
NodeItem n_coat_roughness_vector = create_node("roughness_anisotropy",
NodeItem n_coat_roughness_vector = create_node(
"roughness_anisotropy",
NodeItem::Type::Vector2,
{
{"roughness", roughness},
{"anisotropy", anisotropy},
});
{{"roughness", roughness}, {"anisotropy", anisotropy}});
NodeItem n_coat_bsdf = create_node("dielectric_bsdf",
NodeItem::Type::BSDF,
{
{"weight", coat},
{{"weight", coat},
{"tint", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))},
{"ior", ior},
{"scatter_mode", val(std::string("R"))},
{"roughness", n_coat_roughness_vector},
{"normal", normal},
});
{"normal", normal}});
if (tangent) {
NodeItem n_coat_tangent_rotate = create_node("rotate3d",
NodeItem n_coat_tangent_rotate = create_node(
"rotate3d",
NodeItem::Type::Vector3,
{
{"in", tangent},
{"amount", rotation * val(360.0f)},
{"axis", normal},
});
{{"in", tangent}, {"amount", rotation * val(360.0f)}, {"axis", normal}});
NodeItem n_coat_tangent_rotate_normalize = create_node("normalize",
NodeItem::Type::Vector3,
{
{"in", n_coat_tangent_rotate},
});
NodeItem n_coat_tangent_rotate_normalize = create_node(
"normalize", NodeItem::Type::Vector3, {{"in", n_coat_tangent_rotate}});
NodeItem n_coat_tangent = anisotropy.if_else(
NodeItem::CompareOp::Greater, val(0.0f), n_coat_tangent_rotate_normalize, tangent);
@ -436,19 +423,13 @@ NODE_SHADER_MATERIALX_BEGIN
n_coat_bsdf.set_input("tangent", n_coat_tangent);
}
NodeItem n_thin_film_bsdf = create_node("thin_film_bsdf",
NodeItem::Type::BSDF,
{
{"thickness", val(0.0f)},
{"ior", val(1.5f)},
});
NodeItem n_thin_film_bsdf = create_node(
"thin_film_bsdf", NodeItem::Type::BSDF, {{"thickness", val(0.0f)}, {"ior", val(1.5f)}});
NodeItem n_artistic_ior = create_node("artistic_ior",
NodeItem n_artistic_ior = create_node(
"artistic_ior",
NodeItem::Type::Multioutput,
{
{"reflectivity", base_color * val(1.0f)},
{"edge_color", base_color * specular},
});
{{"reflectivity", base_color * val(1.0f)}, {"edge_color", base_color * specular}});
NodeItem n_ior_out = n_artistic_ior.add_output("ior", NodeItem::Type::Color3);
NodeItem n_extinction_out = n_artistic_ior.add_output("extinction", NodeItem::Type::Color3);
@ -457,40 +438,30 @@ NODE_SHADER_MATERIALX_BEGIN
NodeItem n_coat_affected_roughness = create_node(
"mix",
NodeItem::Type::Float,
{
{"fg", val(1.0f)},
{"bg", roughness},
{"mix", n_coat_affect_roughness_multiply2},
});
{{"fg", val(1.0f)}, {"bg", roughness}, {"mix", n_coat_affect_roughness_multiply2}});
NodeItem n_main_roughness = create_node("roughness_anisotropy",
NodeItem n_main_roughness = create_node(
"roughness_anisotropy",
NodeItem::Type::Vector2,
{
{"roughness", n_coat_affected_roughness},
{"anisotropy", anisotropy},
});
{{"roughness", n_coat_affected_roughness}, {"anisotropy", anisotropy}});
NodeItem n_metal_bsdf = create_node("conductor_bsdf",
NodeItem::Type::BSDF,
{
{"ior", n_ior_out},
{{"ior", n_ior_out},
{"extinction", n_extinction_out},
{"roughness", n_main_roughness},
{"normal", normal},
{"tangent", n_main_tangent},
});
{"tangent", n_main_tangent}});
NodeItem n_specular_bsdf = create_node("dielectric_bsdf",
NodeItem::Type::BSDF,
{
{"weight", specular},
{{"weight", specular},
{"tint", base_color},
{"ior", ior},
{"scatter_mode", val(std::string("R"))},
{"roughness", n_main_roughness},
{"normal", normal},
{"tangent", n_main_tangent},
});
{"tangent", n_main_tangent}});
NodeItem n_coat_affected_transmission_roughness = create_node(
"mix",
@ -504,128 +475,87 @@ NODE_SHADER_MATERIALX_BEGIN
NodeItem n_transmission_roughness = create_node(
"roughness_anisotropy",
NodeItem::Type::Vector2,
{
{"roughness", n_coat_affected_transmission_roughness},
{"anisotropy", anisotropy},
});
{{"roughness", n_coat_affected_transmission_roughness}, {"anisotropy", anisotropy}});
NodeItem n_transmission_bsdf = create_node("dielectric_bsdf",
NodeItem::Type::BSDF,
{
{"tint", base_color},
{{"tint", base_color},
{"ior", ior},
{"roughness", n_transmission_roughness},
{"normal", normal},
{"tangent", n_main_tangent},
});
{"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 n_translucent_bsdf = create_node(
"translucent_bsdf",
NodeItem::Type::BSDF,
{
{"color", n_coat_affected_subsurface_color},
{"normal", normal},
});
{{"color", n_coat_affected_subsurface_color}, {"normal", normal}});
NodeItem n_subsurface_bsdf = create_node(
"subsurface_bsdf",
NodeItem n_subsurface_bsdf = create_node("subsurface_bsdf",
NodeItem::Type::BSDF,
{
{"color", n_coat_affected_subsurface_color},
{{"color", n_coat_affected_subsurface_color},
{"radius", inputs.find("subsurface_radius")->second},
{"anisotropy", anisotropy},
{"normal", normal},
});
{"normal", normal}});
NodeItem n_selected_subsurface_bsdf = create_node("mix",
NodeItem n_selected_subsurface_bsdf = create_node(
"mix",
NodeItem::Type::BSDF,
{
{"fg", n_translucent_bsdf},
{"bg", n_subsurface_bsdf},
{"mix", val(0.0f)},
});
{{"fg", n_translucent_bsdf}, {"bg", n_subsurface_bsdf}, {"mix", val(0.0f)}});
NodeItem n_sheen_bsdf = create_node("sheen_bsdf",
NodeItem::Type::BSDF,
{
{"weight", inputs.find("sheen")->second},
{{"weight", inputs.find("sheen")->second},
{"color", base_color},
{"roughness", roughness},
{"normal", normal},
});
{"normal", normal}});
NodeItem n_diffuse_bsdf = create_node("oren_nayar_diffuse_bsdf",
NodeItem::Type::BSDF,
{
{"color", base_color.max(val(0.0f)) ^ n_coat_gamma},
{{"color", base_color.max(val(0.0f)) ^ n_coat_gamma},
{"roughness", roughness},
{"weight", val(1.0f)},
{"normal", normal},
});
{"normal", normal}});
NodeItem n_subsurface_mix = create_node("mix",
NodeItem::Type::BSDF,
{
{"fg", n_selected_subsurface_bsdf},
{{"fg", n_selected_subsurface_bsdf},
{"bg", n_diffuse_bsdf},
{"mix", inputs.find("subsurface")->second},
});
{"mix", inputs.find("subsurface")->second}});
NodeItem n_sheen_layer = create_node("layer",
NodeItem::Type::BSDF,
{
{"top", n_sheen_bsdf},
{"base", n_subsurface_mix},
});
NodeItem n_sheen_layer = create_node(
"layer", NodeItem::Type::BSDF, {{"top", n_sheen_bsdf}, {"base", n_subsurface_mix}});
NodeItem n_transmission_mix = create_node("mix",
NodeItem::Type::BSDF,
{
{"fg", n_transmission_bsdf},
{{"fg", n_transmission_bsdf},
{"bg", n_sheen_layer},
{"mix", inputs.find("transmission")->second},
});
{"mix", inputs.find("transmission")->second}});
NodeItem n_specular_layer = create_node("layer",
NodeItem::Type::BSDF,
{
{"top", n_specular_bsdf},
{"base", n_transmission_mix},
});
NodeItem n_specular_layer = create_node(
"layer", NodeItem::Type::BSDF, {{"top", n_specular_bsdf}, {"base", n_transmission_mix}});
NodeItem n_metalness_mix = create_node("mix",
NodeItem::Type::BSDF,
{
{"fg", n_metal_bsdf},
{{"fg", n_metal_bsdf},
{"bg", n_specular_layer},
{"mix", inputs.find("metalness")->second},
});
{"mix", inputs.find("metalness")->second}});
NodeItem n_thin_film_layer = create_node(
"layer", NodeItem::Type::BSDF, {{"top", n_thin_film_bsdf}, {"base", n_metalness_mix}});
NodeItem n_opacity_luminance = create_node(
"luminance",
NodeItem::Type::Color3,
{
{"in", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))},
});
"luminance", NodeItem::Type::Color3, {{"in", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))}});
NodeItem n_coat_attenuation = create_node("mix",
NodeItem n_coat_attenuation = create_node(
"mix",
NodeItem::Type::Color3,
{
{"fg", base_color},
{"bg", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))},
{"mix", coat},
});
{{"fg", base_color}, {"bg", val(MaterialX::Color3(1.0f, 1.0f, 1.0f))}, {"mix", coat}});
res = create_node("layer",
NodeItem::Type::BSDF,
{
{"top", n_coat_bsdf},
{"base", n_thin_film_layer * n_coat_attenuation},
});
{{"top", n_coat_bsdf}, {"base", n_thin_film_layer * n_coat_attenuation}});
return res;
}
@ -635,9 +565,7 @@ NODE_SHADER_MATERIALX_BEGIN
res = create_node(
"uniform_edf",
NodeItem::Type::EDF,
{
{"color", inputs.find("emission_color")->second * inputs.find("emission")->second},
});
{{"color", inputs.find("emission_color")->second * inputs.find("emission")->second}});
}
else if (to_type_ == NodeItem::Type::SurfaceShader) {
auto b_inputs = bsdf_inputs();
@ -651,8 +579,7 @@ NODE_SHADER_MATERIALX_BEGIN
res = create_node("standard_surface",
NodeItem::Type::SurfaceShader,
{
{"base", val(1.0f)},
{{"base", val(1.0f)},
{"base_color", base_color},
{"diffuse_roughness", roughness},
{"metalness", b_inputs.find("metalness")->second},
@ -682,8 +609,7 @@ NODE_SHADER_MATERIALX_BEGIN
{"emission", e_inputs.find("emission")->second},
{"emission_color", e_inputs.find("emission_color")->second},
{"normal", b_inputs.find("normal")->second},
{"tangent", b_inputs.find("tangent")->second},
});
{"tangent", b_inputs.find("tangent")->second}});
}
return res;