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Fix: Add missing thin film parameters to MaterialX export

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Wire up the new Principled BSDF thin-film inputs when building
MaterialX graphs.

Pull Request: https://projects.blender.org/blender/blender/pulls/123613
This commit is contained in:
Jesse Yurkovich
2024-07-01 19:08:56 +02:00
committed by Jesse Yurkovich
parent 4c314f9a78
commit 2eec6a819e
1 changed files with 9 additions and 1 deletions
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10
source/blender/nodes/shader/nodes/node_shader_bsdf_principled.cc
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@@ -419,6 +419,8 @@ NODE_SHADER_MATERIALX_BEGIN
{"coat_tint", get_input_value("Coat Tint", NodeItem::Type::Color3)},
{"ior", get_input_value("IOR", NodeItem::Type::Float)},
{"transmission", get_input_value("Transmission Weight", NodeItem::Type::Float)},
{"thin_film_thickness", get_input_value("Thin Film Thickness", NodeItem::Type::Float)},
{"thin_film_IOR", get_input_value("Thin Film IOR", NodeItem::Type::Float)},
{"alpha", get_input_value("Alpha", NodeItem::Type::Float)},
{"normal", get_input_link("Normal", NodeItem::Type::Vector3)},
{"coat_normal", get_input_link("Coat Normal", NodeItem::Type::Vector3)},
@@ -480,8 +482,12 @@ NODE_SHADER_MATERIALX_BEGIN
n_coat_bsdf.set_input("tangent", n_coat_tangent);
}
NodeItem thin_film_thickness = in["thin_film_thickness"];
NodeItem thin_film_ior = in["thin_film_IOR"];
NodeItem n_thin_film_bsdf = create_node(
"thin_film_bsdf", NodeItem::Type::BSDF, {{"thickness", val(0.0f)}, {"ior", val(1.5f)}});
"thin_film_bsdf",
NodeItem::Type::BSDF,
{{"thickness", thin_film_thickness}, {"ior", thin_film_ior}});
NodeItem n_artistic_ior = create_node(
"artistic_ior",
@@ -637,6 +643,8 @@ NODE_SHADER_MATERIALX_BEGIN
{"coat_normal", in["coat_normal"]},
{"emission", in["emission"]},
{"emission_color", in["emission_color"]},
{"thin_film_thickness", in["thin_film_thickness"]},
{"thin_film_IOR", in["thin_film_IOR"]},
{"normal", in["normal"]},
{"tangent", in["tangent"]},
{"opacity", in["alpha"].convert(NodeItem::Type::Color3)}});