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- import numberOfComponentsForType from './numberOfComponentsForType.js'
- import ComponentDatatype from '../../Core/ComponentDatatype.js'
- import defined from '../../Core/defined.js'
- /**
- * Returns the byte stride of the provided accessor.
- * If the byteStride is 0, it is calculated based on type and componentType
- *
- * @param {Object} gltf A javascript object containing a glTF asset.
- * @param {Object} accessor The accessor.
- * @returns {Number} The byte stride of the accessor.
- *
- * @private
- */
- function getAccessorByteStride(gltf, accessor) {
- var bufferViewId = accessor.bufferView;
- if (defined(bufferViewId)) {
- var bufferView = gltf.bufferViews[bufferViewId];
- if (defined(bufferView.byteStride) && bufferView.byteStride > 0) {
- return bufferView.byteStride;
- }
- }
- return ComponentDatatype.getSizeInBytes(accessor.componentType) * numberOfComponentsForType(accessor.type);
- }
- export default getAccessorByteStride;
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