132 lines
2.6 KiB
JavaScript
132 lines
2.6 KiB
JavaScript
import { LinearFilter, LinearMipmapLinearFilter, ClampToEdgeWrapping } from '../constants.js';
|
|
import { FileLoader } from './FileLoader.js';
|
|
import { DataTexture } from '../textures/DataTexture.js';
|
|
import { Loader } from './Loader.js';
|
|
|
|
/**
|
|
* Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)
|
|
*
|
|
* Sub classes have to implement the parse() method which will be used in load().
|
|
*/
|
|
|
|
class DataTextureLoader extends Loader {
|
|
|
|
constructor( manager ) {
|
|
|
|
super( manager );
|
|
|
|
}
|
|
|
|
load( url, onLoad, onProgress, onError ) {
|
|
|
|
const scope = this;
|
|
|
|
const texture = new DataTexture();
|
|
|
|
const loader = new FileLoader( this.manager );
|
|
loader.setResponseType( 'arraybuffer' );
|
|
loader.setRequestHeader( this.requestHeader );
|
|
loader.setPath( this.path );
|
|
loader.setWithCredentials( scope.withCredentials );
|
|
loader.load( url, function ( buffer ) {
|
|
|
|
let texData;
|
|
|
|
try {
|
|
|
|
texData = scope.parse( buffer );
|
|
|
|
} catch ( error ) {
|
|
|
|
if ( onError !== undefined ) {
|
|
|
|
onError( error );
|
|
|
|
} else {
|
|
|
|
console.error( error );
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( texData.image !== undefined ) {
|
|
|
|
texture.image = texData.image;
|
|
|
|
} else if ( texData.data !== undefined ) {
|
|
|
|
texture.image.width = texData.width;
|
|
texture.image.height = texData.height;
|
|
texture.image.data = texData.data;
|
|
|
|
}
|
|
|
|
texture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping;
|
|
texture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping;
|
|
|
|
texture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter;
|
|
texture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter;
|
|
|
|
texture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1;
|
|
|
|
if ( texData.colorSpace !== undefined ) {
|
|
|
|
texture.colorSpace = texData.colorSpace;
|
|
|
|
}
|
|
|
|
if ( texData.flipY !== undefined ) {
|
|
|
|
texture.flipY = texData.flipY;
|
|
|
|
}
|
|
|
|
if ( texData.format !== undefined ) {
|
|
|
|
texture.format = texData.format;
|
|
|
|
}
|
|
|
|
if ( texData.type !== undefined ) {
|
|
|
|
texture.type = texData.type;
|
|
|
|
}
|
|
|
|
if ( texData.mipmaps !== undefined ) {
|
|
|
|
texture.mipmaps = texData.mipmaps;
|
|
texture.minFilter = LinearMipmapLinearFilter; // presumably...
|
|
|
|
}
|
|
|
|
if ( texData.mipmapCount === 1 ) {
|
|
|
|
texture.minFilter = LinearFilter;
|
|
|
|
}
|
|
|
|
if ( texData.generateMipmaps !== undefined ) {
|
|
|
|
texture.generateMipmaps = texData.generateMipmaps;
|
|
|
|
}
|
|
|
|
texture.needsUpdate = true;
|
|
|
|
if ( onLoad ) onLoad( texture, texData );
|
|
|
|
}, onProgress, onError );
|
|
|
|
|
|
return texture;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
export { DataTextureLoader };
|