# Source provenance `src/internal/webgl-backend.js` is copied without semantic changes from `live2d-vs-inp-compare-viewer/vendor/webgl_backend.js` (PLAYBACK v11). Its original header and the upstream BSD-2-Clause license in `LICENSE` are retained. Copyright (c) 2020, Inochi2D Project; Copyright (c) 2024, nijigenerate Project. INP parsing, animation normalization, interpolation, lane precedence, bootstrap, parameter struct writes, callbacks and render ordering were extracted from the Niji portion of that viewer's `app.js`. No Live2D/PixiJS code is included. The packaged `runtime/nicxlive.js` and `.wasm` are byte-for-byte copies of the compare viewer runtime, accompanied by its license.