File size: 2,773 Bytes
b797337 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | 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;
} else if ( texData.encoding !== undefined ) { // @deprecated, r152
texture.encoding = texData.encoding;
}
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 };
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