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reduced size of wasm

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Mike Molinari 2022-05-13 04:27:14 +00:00 committed by Val Erastov
parent 6d5788df52
commit 35b6366cc3
3 changed files with 17 additions and 3 deletions
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15
web/app/cad/craft/e0/occtPlugin.ts
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@ -3,6 +3,7 @@ import {CraftEngine} from "./craftEngine";
import {createOCCService, OCCService} from "cad/craft/e0/occService";
declare module 'context' {
interface CoreContext {
occService: OCCService;
@ -22,9 +23,17 @@ export function activate(ctx) {
ctx.occService = createOCCService(ctx);
}
function instantiateEngine(importObject, callback) {
const url = './wasm/e0/main.wasm';
WebAssembly.instantiateStreaming(fetch(url), importObject).then(results => {
async function instantiateEngine(importObject, callback) {
const url = './wasm/e0/main.wasm.gz';
const buffer = pako.ungzip(await(await fetch(url)).arrayBuffer());
// A fetched response might be decompressed twice on Firefox.
// See https://bugzilla.mozilla.org/show_bug.cgi?id=610679
if (buffer[0] === 0x1f && buffer[1] === 0x8b) {
buffer = ungzip(buffer);
}
const result = await WebAssembly.instantiate(buffer, importObject).then(results => {
callback(results.instance);
});
}

3
web/index.html
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@ -1,6 +1,9 @@
<html>
<head>
<title>Web CAD / Part Designer</title>
<script src="./lib/pako.min.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,300italic,400,400italic,700,700italic&subset=latin,latin-ext">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto+Condensed:300,300italic,400,400italic,700,700italic&subset=latin,latin-ext">
<link rel="stylesheet" href="lib/font-awesome/css/font-awesome.min.css?modeler">

2
web/lib/pako.min.js vendored Normal file
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