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Merge pull request #332 from donmccurdy/feat-dracoloader-parallel-decoding

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DRACOLoader: Support requests for multiple files in parallel
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FrankGalligan 2018-01-16 16:23:07 -08:00 committed by GitHub
commit f3b5989b1d
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1 changed files with 9 additions and 10 deletions
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19
javascript/example/DRACOLoader.js
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@ -24,8 +24,6 @@ THREE.DRACOLoader = function(manager) {
this.verbosity = 0;
this.attributeOptions = {};
this.drawMode = THREE.TrianglesDrawMode;
// User defined unique id for attributes.
this.attributeUniqueIdMap = {};
// Native Draco attribute type to Three.JS attribute type.
this.nativeAttributeMap = {
'position' : 'POSITION',
@ -104,14 +102,15 @@ THREE.DRACOLoader.prototype = {
*/
decodeDracoFile: function(rawBuffer, callback, attributeUniqueIdMap) {
var scope = this;
this.attributeUniqueIdMap = attributeUniqueIdMap || {};
THREE.DRACOLoader.getDecoderModule()
.then( function ( module ) {
scope.decodeDracoFileInternal( rawBuffer, module.decoder, callback );
scope.decodeDracoFileInternal( rawBuffer, module.decoder, callback,
attributeUniqueIdMap );
});
},
decodeDracoFileInternal: function(rawBuffer, dracoDecoder, callback) {
decodeDracoFileInternal: function(rawBuffer, dracoDecoder, callback,
attributeUniqueIdMap) {
/*
* Here is how to use Draco Javascript decoder and get the geometry.
*/
@ -137,7 +136,7 @@ THREE.DRACOLoader.prototype = {
throw new Error(errorMsg);
}
callback(this.convertDracoGeometryTo3JS(dracoDecoder, decoder,
geometryType, buffer));
geometryType, buffer, attributeUniqueIdMap));
},
addAttributeToGeometry: function(dracoDecoder, decoder, dracoGeometry,
@ -168,7 +167,7 @@ THREE.DRACOLoader.prototype = {
},
convertDracoGeometryTo3JS: function(dracoDecoder, decoder, geometryType,
buffer) {
buffer, attributeUniqueIdMap) {
if (this.getAttributeOptions('position').skipDequantization === true) {
decoder.SkipAttributeTransform(dracoDecoder.POSITION);
}
@ -236,7 +235,7 @@ THREE.DRACOLoader.prototype = {
for (var attributeName in this.nativeAttributeMap) {
// The native attribute type is only used when no unique Id is
// provided. For example, loading .drc files.
if (this.attributeUniqueIdMap[attributeName] === undefined) {
if (attributeUniqueIdMap[attributeName] === undefined) {
var attId = decoder.GetAttributeId(dracoGeometry,
dracoDecoder[this.nativeAttributeMap[attributeName]]);
if (attId !== -1) {
@ -251,8 +250,8 @@ THREE.DRACOLoader.prototype = {
}
// Add attributes of user specified unique id. E.g. GLTF models.
for (var attributeName in this.attributeUniqueIdMap) {
var attributeId = this.attributeUniqueIdMap[attributeName];
for (var attributeName in attributeUniqueIdMap) {
var attributeId = attributeUniqueIdMap[attributeName];
var attribute = decoder.GetAttributeByUniqueId(dracoGeometry,
attributeId);
this.addAttributeToGeometry(dracoDecoder, decoder, dracoGeometry,