import ForEach from "./ForEach.js";
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import defined from "../../Core/defined.js";
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/**
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* Adds extras._pipeline to each object that can have extras in the glTF asset.
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* This stage runs before updateVersion and handles both glTF 1.0 and glTF 2.0 assets.
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*
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* @param {Object} gltf A javascript object containing a glTF asset.
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* @returns {Object} The glTF asset with the added pipeline extras.
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*
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* @private
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*/
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function addPipelineExtras(gltf) {
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ForEach.shader(gltf, function (shader) {
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addExtras(shader);
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});
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ForEach.buffer(gltf, function (buffer) {
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addExtras(buffer);
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});
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ForEach.image(gltf, function (image) {
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addExtras(image);
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});
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addExtras(gltf);
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return gltf;
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}
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function addExtras(object) {
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object.extras = defined(object.extras) ? object.extras : {};
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object.extras._pipeline = defined(object.extras._pipeline)
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? object.extras._pipeline
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: {};
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}
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export default addPipelineExtras;
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