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loader.wasm binary now includes compressed base

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This commit is contained in:
Dennis Ranke
2021-11-21 13:36:09 +01:00
parent 93b2bb60bd
commit 40d684ea9a
4 changed files with 79 additions and 21 deletions
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14
web/src/main.js
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@@ -1,6 +1,5 @@
import loaderUrl from "data-url:../../platform/loader.wasm";
import platformUrl from "data-url:../../platform/platform.wasm";
import baseUrl from "data-url:../../uw8-tool/base.upk";
async function loadWasm(url, imports) {
let wasm_module = await (await fetch(url)).arrayBuffer();
@@ -66,21 +65,14 @@ async function runModule(data) {
let loadMem = loaderImport.env.memory.buffer;
let loader = await loadWasm(loaderUrl, loaderImport);
let packedBaseModule = await (await fetch(baseUrl)).arrayBuffer();
if (dataU8Array[0] != 0) {
new Uint8Array(loadMem).set(new Uint8Array(packedBaseModule));
let baseEnd = loader.exports.uncompress(0, 0x84000);
let baseModule = loadMem.slice(0x84000, baseEnd);
new Uint8Array(loadMem).set(dataU8Array);
new Uint8Array(loadMem).set(new Uint8Array(baseModule), data.byteLength);
let destOffset = data.byteLength + baseModule.byteLength;
let endOffset = loader.exports.load_uw8(0, data.byteLength, data.byteLength, destOffset);
let length = loader.exports.load_uw8(data.byteLength);
data = new ArrayBuffer(endOffset - destOffset);
new Uint8Array(data).set(new Uint8Array(loadMem).slice(destOffset, endOffset));
data = new ArrayBuffer(length);
new Uint8Array(data).set(new Uint8Array(loadMem).slice(0, length));
}
let importObject = {