зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1312817 - support {window,worker}.postMessage() of WebAssembly.Module, r=qdot, r=luke
This commit is contained in:
Andrea Marchesini
Родитель
f6a19be2ac
Коммит
937298e1fb
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@ -997,6 +997,41 @@ WriteFormData(JSStructuredCloneWriter* aWriter,
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return aFormData->ForEach(Closure::Write, &closure);
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}
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JSObject*
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ReadWasmModule(JSContext* aCx,
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uint32_t aIndex,
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StructuredCloneHolder* aHolder)
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{
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MOZ_ASSERT(aHolder);
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MOZ_ASSERT(aIndex < aHolder->WasmModules().Length());
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MOZ_ASSERT(aHolder->CloneScope() == StructuredCloneHolder::StructuredCloneScope::SameProcessSameThread ||
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aHolder->CloneScope() == StructuredCloneHolder::StructuredCloneScope::SameProcessDifferentThread);
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RefPtr<JS::WasmModule> wasmModule = aHolder->WasmModules()[aIndex];
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return wasmModule->createObject(aCx);
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}
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bool
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WriteWasmModule(JSStructuredCloneWriter* aWriter,
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JS::WasmModule* aWasmModule,
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StructuredCloneHolder* aHolder)
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{
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MOZ_ASSERT(aWriter);
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MOZ_ASSERT(aWasmModule);
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MOZ_ASSERT(aHolder);
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MOZ_ASSERT(aHolder->CloneScope() == StructuredCloneHolder::StructuredCloneScope::SameProcessSameThread ||
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aHolder->CloneScope() == StructuredCloneHolder::StructuredCloneScope::SameProcessDifferentThread);
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// We store the position of the wasmModule in the array as index.
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if (JS_WriteUint32Pair(aWriter, SCTAG_DOM_WASM,
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aHolder->WasmModules().Length())) {
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aHolder->WasmModules().AppendElement(aWasmModule);
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return true;
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}
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return false;
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}
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} // anonymous namespace
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JSObject*
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@ -1033,7 +1068,11 @@ StructuredCloneHolder::CustomReadHandler(JSContext* aCx,
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// aIndex is the index of the cloned image.
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return ImageBitmap::ReadStructuredClone(aCx, aReader,
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parent, GetSurfaces(), aIndex);
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}
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}
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if (aTag == SCTAG_DOM_WASM) {
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return ReadWasmModule(aCx, aIndex, this);
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}
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return ReadFullySerializableObjects(aCx, aReader, aTag);
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}
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@ -1095,6 +1134,16 @@ StructuredCloneHolder::CustomWriteHandler(JSContext* aCx,
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}
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}
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// See if this is a WasmModule.
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if ((mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
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mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread) &&
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JS::IsWasmModuleObject(aObj)) {
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RefPtr<JS::WasmModule> module = JS::GetWasmModule(aObj);
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MOZ_ASSERT(module);
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return WriteWasmModule(aWriter, module, this);
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}
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return WriteFullySerializableObjects(aCx, aWriter, aObj);
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}
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@ -6,6 +6,7 @@
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#ifndef mozilla_dom_StructuredCloneHolder_h
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#define mozilla_dom_StructuredCloneHolder_h
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#include "jsapi.h"
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#include "js/StructuredClone.h"
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#include "mozilla/Move.h"
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#include "mozilla/UniquePtr.h"
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@ -178,6 +179,7 @@ public:
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bool HasClonedDOMObjects() const
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{
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return !mBlobImplArray.IsEmpty() ||
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!mWasmModuleArray.IsEmpty() ||
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!mClonedSurfaces.IsEmpty();
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}
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@ -187,6 +189,12 @@ public:
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return mBlobImplArray;
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}
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nsTArray<RefPtr<JS::WasmModule>>& WasmModules()
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{
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MOZ_ASSERT(mSupportsCloning, "WasmModules cannot be taken/set if cloning is not supported.");
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return mWasmModuleArray;
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}
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StructuredCloneScope CloneScope() const
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{
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return mStructuredCloneScope;
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@ -292,6 +300,9 @@ protected:
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// Used for cloning blobs in the structured cloning algorithm.
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nsTArray<RefPtr<BlobImpl>> mBlobImplArray;
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// Used for cloning JS::WasmModules in the structured cloning algorithm.
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nsTArray<RefPtr<JS::WasmModule>> mWasmModuleArray;
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// This is used for sharing the backend of ImageBitmaps.
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// The DataSourceSurface object must be thread-safely reference-counted.
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// The DataSourceSurface object will not be written ever via any ImageBitmap
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@ -11,13 +11,17 @@
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<script type="application/javascript;version=1.7">
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function setup_tests() {
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SpecialPowers.pushPrefEnv({"set": [["dom.input.dirpicker", true]]}, next);
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SpecialPowers.pushPrefEnv({"set": [["dom.input.dirpicker", true],
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["javascript.options.wasm", true]]}, next);
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}
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function getType(a) {
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if (a === null || a === undefined)
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return 'null';
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if (a instanceof WebAssembly.Module)
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return "wasm";
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if (Array.isArray(a))
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return 'array';
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@ -59,21 +63,32 @@ function compare(a, b) {
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return;
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}
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if (type == 'wasm') {
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var wasmA = new WebAssembly.Instance(a);
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ok(wasmA instanceof WebAssembly.Instance, "got an instance");
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var wasmB = new WebAssembly.Instance(b);
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ok(wasmB instanceof WebAssembly.Instance, "got an instance");
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ok(wasmA.exports.foo() === wasmB.exports.foo(), "Same result!");
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ok(wasmB.exports.foo() === 42, "We want 42");
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}
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if (type != 'null') {
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is (a.toSource(), b.toSource(), 'Matching using toSource()');
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}
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}
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var clonableObjects = [
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'hello world',
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123,
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null,
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true,
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new Date(),
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[ 1, 'test', true, new Date() ],
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{ a: true, b: null, c: new Date(), d: [ true, false, {} ] },
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new Blob([123], { type: 'plain/text' }),
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new ImageData(2, 2),
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{ target: 'all', data: 'hello world' },
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{ target: 'all', data: 123 },
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{ target: 'all', data: null },
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{ target: 'all', data: true },
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{ target: 'all', data: new Date() },
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{ target: 'all', data: [ 1, 'test', true, new Date() ] },
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{ target: 'all', data: { a: true, b: null, c: new Date(), d: [ true, false, {} ] } },
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{ target: 'all', data: new Blob([123], { type: 'plain/text' }) },
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{ target: 'all', data: new ImageData(2, 2) },
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];
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function create_fileList() {
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@ -88,7 +103,7 @@ function create_fileList() {
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var domFile = fileList.files[0];
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is(domFile.name, "prefs.js", "fileName should be prefs.js");
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clonableObjects.push(fileList.files);
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clonableObjects.push({ target: 'all', data: fileList.files });
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script.destroy();
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next();
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}
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@ -115,7 +130,7 @@ function create_directory() {
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is(list.length, 1, "This list has 1 element");
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ok(list[0] instanceof Directory, "We have a directory.");
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clonableObjects.push(list[0]);
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clonableObjects.push({ target: 'all', data: list[0] });
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script.destroy();
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next();
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});
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@ -125,14 +140,41 @@ function create_directory() {
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script.sendAsyncMessage("dir.open");
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}
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function runTests(obj) {
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ok(('clonableObjects' in obj) &&
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('transferableObjects' in obj) &&
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(obj.clonableObjects || obj.transferableObjects), "We must run some test!");
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function create_wasmModule() {
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info("Checking if we can play with WebAssembly...");
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// cloning tests
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if (!SpecialPowers.Cu.getJSTestingFunctions().wasmIsSupported()) {
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next();
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return;
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}
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ok(WebAssembly, "WebAssembly object should exist");
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ok(WebAssembly.compile, "WebAssembly.compile function should exist");
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const wasmTextToBinary = SpecialPowers.unwrap(SpecialPowers.Cu.getJSTestingFunctions().wasmTextToBinary);
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const fooModuleCode = wasmTextToBinary(`(module
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(func $foo (result i32) (i32.const 42))
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(export "foo" $foo)
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)`, 'new-format');
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WebAssembly.compile(fooModuleCode).then((m) => {
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ok(m instanceof WebAssembly.Module, "The WasmModule has been compiled.");
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clonableObjects.push({ target: 'sameProcess', data: m });
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next();
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}, () => {
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ok(false, "The compilation of the wasmModule failed.");
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});
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}
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function runTests(obj) {
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ok(('clonableObjectsEveryWhere' in obj) &&
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('clonableObjectsSameProcess' in obj) &&
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('transferableObjects' in obj) &&
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(obj.clonableObjectsEveryWhere || obj.clonableObjectsSameProcess || obj.transferableObjects), "We must run some test!");
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// cloning tests - everyWhere
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new Promise(function(resolve, reject) {
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if (!obj.clonableObjects) {
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if (!obj.clonableObjectsEveryWhere) {
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resolve();
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return;
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}
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@ -146,8 +188,13 @@ function runTests(obj) {
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var object = clonableObjects[clonableObjectsId++];
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obj.send(object, []).then(function(received) {
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compare(received.data, object);
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if (object.target != 'all') {
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runClonableTest();
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return;
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}
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obj.send(object.data, []).then(function(received) {
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compare(received.data, object.data);
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runClonableTest();
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});
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}
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@ -155,6 +202,38 @@ function runTests(obj) {
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runClonableTest();
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})
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// clonable same process
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.then(function() {
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return new Promise(function(resolve, reject) {
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if (!obj.clonableObjectsSameProcess) {
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resolve();
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return;
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}
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var clonableObjectsId = 0;
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function runClonableTest() {
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if (clonableObjectsId >= clonableObjects.length) {
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resolve();
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return;
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}
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var object = clonableObjects[clonableObjectsId++];
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if (object.target != 'sameProcess') {
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runClonableTest();
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return;
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}
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obj.send(object.data, []).then(function(received) {
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compare(received.data, object.data);
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runClonableTest();
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});
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}
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runClonableTest();
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});
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})
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// transfering tests
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.then(function() {
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if (!obj.transferableObjects) {
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@ -234,7 +313,8 @@ function test_windowToWindow() {
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}
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: true,
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transferableObjects: true,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -287,7 +367,8 @@ function test_windowToIframeURL(url) {
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ifr.src = url;
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ifr.onload = function() {
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: false,
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transferableObjects: true,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -334,7 +415,8 @@ function test_workers() {
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}
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: true,
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transferableObjects: true,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -377,7 +459,8 @@ function test_broadcastChannel() {
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}
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: false,
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transferableObjects: false,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -422,7 +505,8 @@ function test_broadcastChannel_inWorkers() {
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}
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: false,
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transferableObjects: false,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -463,7 +547,8 @@ function test_messagePort() {
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}
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: false,
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transferableObjects: true,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -508,7 +593,8 @@ function test_messagePort_inWorkers() {
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}
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runTests({
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clonableObjects: true,
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clonableObjectsEveryWhere: true,
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clonableObjectsSameProcess: false,
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transferableObjects: true,
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send: function(what, ports) {
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return new Promise(function(r, rr) {
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@ -535,6 +621,7 @@ var tests = [
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create_fileList,
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create_directory,
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create_wasmModule,
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test_windowToWindow,
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test_windowToIframe,
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@ -46,6 +46,7 @@ StructuredCloneData::Copy(const StructuredCloneData& aData)
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BlobImpls().AppendElements(aData.BlobImpls());
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MOZ_ASSERT(GetSurfaces().IsEmpty());
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MOZ_ASSERT(WasmModules().IsEmpty());
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mInitialized = true;
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