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support wasm64.

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This commit is contained in:
Syoyo Fujita
2025-08-26 12:52:01 +09:00
parent ccade6cec8
commit 396cfd7c87
3 changed files with 60 additions and 7 deletions
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2
web/demo/package.json
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@@ -22,7 +22,7 @@
"lil-gui": "^0.19.2",
"stats.js": "^0.17.0",
"three": ">=0.179.0",
"tinyusdz": "0.9.5-rc.4",
"tinyusdz": "0.9.5-rc.6",
"vite-plugin-compression2": "^2.2.0",
"vite-plugin-static-copy": "^3.1.0"
},

55
web/js/src/tinyusdz/TinyUSDZLoader.js
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@@ -1,8 +1,6 @@
import { Loader } from 'three'; // or https://cdn.jsdelivr.net/npm/three/build/three.module.js';
// WASM module of TinyUSDZ.
import initTinyUSDZNative from './tinyusdz.js';
// tinyusdz module are dynamically imported at TinyUSDZLoader
class FetchAssetResolver {
constructor() {
@@ -80,6 +78,10 @@ class TinyUSDZLoader extends Loader {
this.useZstdCompressedWasm_ = options.useZstdCompressedWasm || false;
this.compressedWasmPath_ = 'tinyusdz.wasm.zst';
this.useMemory64_ = false;
this.compressedWasm64Path_ = 'tinyusdz_64.wasm.zst';
// Memory limit in MB - defaults are set by the native module based on WASM architecture
// (2GB for WASM32, 8GB for WASM64). If not specified, the native default will be used.
this.maxMemoryLimitMB_ = options.maxMemoryLimitMB;
@@ -139,19 +141,60 @@ class TinyUSDZLoader extends Loader {
this.useZstdCompressedWasm_ = options.useZstdCompressedWasm;
}
if (Object.prototype.hasOwnProperty.call(options, 'useMemory64')) {
this.useMemory64_ = options.useMemory64;
}
if (!this.native_) {
//console.log('Initializing native module...');
// WASM module of TinyUSDZ.
const url = new URL(import.meta.url);
//let initTinyUSDZNative = null;
//console.log("arg:", url.searchParams.get("memory64"));
let use_memory64 = this.useMemory64_;
if (url.searchParams.get("memory64") == "true") {
use_memory64 = true;
}
console.log(use_memory64);
let initTinyUSDZNative = null;
// Use dynamic import based on memory64 parameter
if (use_memory64) {
console.log("Loading 64bit module");
const module = await import('./tinyusdz_64.js');
initTinyUSDZNative = module.default;
} else {
console.log("Loading 32bit module");
const module = await import('./tinyusdz.js');
initTinyUSDZNative = module.default;
}
let wasmBinary = null;
if (this.useZstdCompressedWasm_) {
// Load and decompress zstd compressed WASM
wasmBinary = await this.decompressZstdWasm(this.compressedWasmPath_);
wasmBinary = await this.decompressZstdWasm(use_memory64 ? this.compressedWasm64Path_ : this.compressedWasmPath_);
}
// Initialize with custom WASM binary if decompressed
const initOptions = wasmBinary ? { wasmBinary } : {};
const initOptions = {}
if (wasmBinary) {
initOptions.wasmBinary = wasmBinary;
}
//initOptions.locateFile = function(path, scriptDirectory) {
// // Redirect WASM file loading to your custom file
// if (path.endsWith('.wasm')) {
// return './src/tinyusdz/tinyusdz_64.wasm';
// }
// return scriptDirectory + path;
//}
this.native_ = await initTinyUSDZNative(initOptions);
if (!this.native_) {

10
web/npm/readme.md
View File

@@ -61,6 +61,16 @@ If you want to use zstd compressed WASM, set 'useZstdCompressedWasm' true in `in
await loader.init({useZstdCompressedWasm: true});
```
## Use wasm64bit version
npm package contains memory64 build of tinyusdz wasm.
You can use memory64 version of tinyusdz by:
```
await loader.init({useMemory64: true});
```
## Find more on TinyUSDZ module
See https://github.com/lighttransport/tinyusdz/tree/release/web/demo