asgardius/virtualx-engine
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Use primary WebAssembly.instantiate overload

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Previously WebAssembly.compile was used along with the secondary
WebAssembly.instantiate overload. Using only the primary overload is
recommended to get best performance.
This commit is contained in:
Leon Krause 2017-10-02 13:09:59 +02:00
parent 3d75b210b5
commit 11ab7b6efc
1 changed files with 3 additions and 3 deletions
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6
platform/javascript/engine.js
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@ -84,10 +84,10 @@
rtenvOpts.print = stdout; rtenvOpts.print = stdout;
if (typeof stderr === 'function') if (typeof stderr === 'function')
rtenvOpts.printErr = stderr; rtenvOpts.printErr = stderr;
if (typeof WebAssembly === 'object' && initializer instanceof WebAssembly.Module) { if (typeof WebAssembly === 'object' && initializer instanceof ArrayBuffer) {
rtenvOpts.instantiateWasm = function(imports, onSuccess) { rtenvOpts.instantiateWasm = function(imports, onSuccess) {
WebAssembly.instantiate(initializer, imports).then(function(result) { WebAssembly.instantiate(initializer, imports).then(function(result) {
onSuccess(result); onSuccess(result.instance);
}); });
return {}; return {};
}; };
@ -241,7 +241,7 @@
return Promise.reject(new Error("Browser doesn't support WebAssembly")); return Promise.reject(new Error("Browser doesn't support WebAssembly"));
// TODO cache/retrieve module to/from idb // TODO cache/retrieve module to/from idb
engineLoadPromise = loadPromise(basePath + '.wasm').then(function(xhr) { engineLoadPromise = loadPromise(basePath + '.wasm').then(function(xhr) {
return WebAssembly.compile(xhr.response); return xhr.response;
}); });
} else { } else {
var asmjsPromise = loadPromise(basePath + '.asm.js').then(function(xhr) { var asmjsPromise = loadPromise(basePath + '.asm.js').then(function(xhr) {