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Add support for KHR_materials_emissive_strength 

This reads the multiplier for the emission strength from GLTF files.

This is fairly universal and is required for blender's emission value to be imported.

The value is a simple universal multiplier and is unitless.

Sponsored by The Mirror.
This commit is contained in:
RevoluPowered 2023-06-23 19:43:34 +01:00
parent 68193bee9a
commit 83f2fce078
1 changed files with 8 additions and 0 deletions
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8
modules/gltf/gltf_document.cpp
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@ -3808,6 +3808,13 @@ Error GLTFDocument::_parse_materials(Ref<GLTFState> p_state) {
material->set_shading_mode(BaseMaterial3D::SHADING_MODE_UNSHADED);
}
if (pbr_spec_gloss_extensions.has("KHR_materials_emissive_strength")) {
Dictionary emissive_strength = pbr_spec_gloss_extensions["KHR_materials_emissive_strength"];
if (emissive_strength.has("emissiveStrength")) {
material->set_emission_energy_multiplier(emissive_strength["emissiveStrength"]);
}
}
if (pbr_spec_gloss_extensions.has("KHR_materials_pbrSpecularGlossiness")) {
WARN_PRINT("Material uses a specular and glossiness workflow. Textures will be converted to roughness and metallic workflow, which may not be 100% accurate.");
Dictionary sgm = pbr_spec_gloss_extensions["KHR_materials_pbrSpecularGlossiness"];
@ -7461,6 +7468,7 @@ Error GLTFDocument::_parse_gltf_extensions(Ref<GLTFState> p_state) {
supported_extensions.insert("KHR_materials_pbrSpecularGlossiness");
supported_extensions.insert("KHR_texture_transform");
supported_extensions.insert("KHR_materials_unlit");
supported_extensions.insert("KHR_materials_emissive_strength");
for (Ref<GLTFDocumentExtension> ext : document_extensions) {
ERR_CONTINUE(ext.is_null());
Vector<String> ext_supported_extensions = ext->get_supported_extensions();