47 lines
1.4 KiB
Markdown
47 lines
1.4 KiB
Markdown
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# Basis Universal GPU Texture Compression
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Basis Universal is a "[supercompressed](http://gamma.cs.unc.edu/GST/gst.pdf)"
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GPU texture and texture video compression system that outputs a highly
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compressed intermediate file format (.basis) that can be quickly transcoded to
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a wide variety of GPU texture compression formats.
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[GitHub](https://github.com/BinomialLLC/basis_universal)
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## Transcoders
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Basis Universal texture data may be used in two different file formats:
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`.basis` and `.ktx2`, where `ktx2` is a standardized wrapper around basis texture data.
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For further documentation about the Basis compressor and transcoder, refer to
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the [Basis GitHub repository](https://github.com/BinomialLLC/basis_universal).
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The folder contains two files required for transcoding `.basis` or `.ktx2` textures:
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* `basis_transcoder.js` — JavaScript wrapper for the WebAssembly transcoder.
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* `basis_transcoder.wasm` — WebAssembly transcoder.
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Both are dependencies of `KTX2Loader`:
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```js
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const ktx2Loader = new KTX2Loader();
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ktx2Loader.setTranscoderPath( 'examples/jsm/libs/basis/' );
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ktx2Loader.detectSupport( renderer );
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ktx2Loader.load( 'diffuse.ktx2', function ( texture ) {
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const material = new THREE.MeshStandardMaterial( { map: texture } );
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}, function () {
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console.log( 'onProgress' );
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}, function ( e ) {
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console.error( e );
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} );
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```
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## License
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[Apache License 2.0](https://github.com/BinomialLLC/basis_universal/blob/master/LICENSE)
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