@itwin/core-frontend
Version:
iTwin.js frontend components
85 lines • 3.63 kB
JavaScript
;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module Tiles
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.addPrimitiveTransferables = addPrimitiveTransferables;
exports.collectTransferables = collectTransferables;
function addTransferable(xfers, array) {
if (array) {
xfers.add(array.buffer);
}
}
/** @internal */
function addPrimitiveTransferables(xfers, primitive) {
if (primitive.type === "pattern") {
addTransferable(xfers, primitive.params.xyOffsets);
return;
}
addTransferable(xfers, primitive.params.vertices.data);
if (primitive.modifier?.type === "instances") {
addTransferable(xfers, primitive.modifier.transforms);
addTransferable(xfers, primitive.modifier.featureIds);
addTransferable(xfers, primitive.modifier.symbologyOverrides);
}
switch (primitive.type) {
case "point":
addTransferable(xfers, primitive.params.indices);
break;
case "polyline":
addTransferable(xfers, primitive.params.polyline.indices);
addTransferable(xfers, primitive.params.polyline.prevIndices);
addTransferable(xfers, primitive.params.polyline.nextIndicesAndParams);
break;
case "mesh":
addTransferable(xfers, primitive.params.surface.indices);
const edges = primitive.params.edges;
if (edges) {
addTransferable(xfers, edges.segments?.indices);
addTransferable(xfers, edges.segments?.endPointAndQuadIndices);
addTransferable(xfers, edges.silhouettes?.indices);
addTransferable(xfers, edges.silhouettes?.endPointAndQuadIndices);
addTransferable(xfers, edges.silhouettes?.normalPairs);
addTransferable(xfers, edges.polylines?.indices);
addTransferable(xfers, edges.polylines?.prevIndices);
addTransferable(xfers, edges.polylines?.nextIndicesAndParams);
addTransferable(xfers, edges.indexed?.indices);
addTransferable(xfers, edges.indexed?.edges.data);
}
break;
}
}
/** Collect an array of all the [transferable objects](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Transferable_objects)
* within the specified document.
* @internal
*/
function collectTransferables(document) {
const xfers = new Set();
const add = (array) => {
if (array)
xfers.add(array.buffer);
};
add(document.binaryData);
add(document.featureTable.data);
add(document.featureTable.animationNodeIds);
for (const node of document.nodes) {
if (undefined !== node.groupId) {
for (const primNode of node.nodes)
for (const primitive of primNode.primitives)
addPrimitiveTransferables(xfers, primitive);
}
else {
for (const primitive of node.primitives)
addPrimitiveTransferables(xfers, primitive);
}
}
for (const primitives of document.patterns.values())
for (const primitive of primitives)
addPrimitiveTransferables(xfers, primitive);
return Array.from(xfers);
}
//# sourceMappingURL=ImdlModel.js.map