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Basis Universal GPU Texture Compression
Basis Universal is a "supercompressed" GPU texture and texture video compression system that outputs a highly compressed intermediate file format (.basis) that can be quickly transcoded to a wide variety of GPU texture compression formats.
Contents
This folder contains two files:
basis_transcoder.js— JavaScript wrapper for the WebAssembly transcoder.basis_transcoder.wasm— WebAssembly transcoder.
Both are dependencies of THREE.BasisTextureLoader:
var basisLoader = new THREE.BasisTextureLoader();
basisLoader.setTranscoderPath( 'examples/js/libs/basis/' );
basisLoader.detectSupport( renderer );
basisLoader.load( 'diffuse.basis', function ( texture ) {
var material = new THREE.MeshStandardMaterial( { map: texture } );
}, function () {
console.log( 'onProgress' );
}, function ( e ) {
console.error( e );
} );
For further documentation about the Basis compressor and transcoder, refer to
the Basis GitHub repository. The JavaScript wrapper requires one modification from the version provided in the Basis repository – the declaration on the first line is changed from var Module to Module, to accomodate lazy initialization in a Web Worker (details).