232662 2021-11-03 05:12:22 -0700 WebGL2 AllowShared TypedArray should be accepted 2022-05-26 15:04:23 -0700 1 1 1 Unclassified WebKit WebGL Safari Technology Preview iPhone / iPad All RESOLVED FIXED InRadar P2 Major --- 1 hypertree ysuzuki ap bfulgham cdumez dino fpizlo hypertree jonlee kbr keith_miller kkinnunen webkit-bug-importer ysuzuki oldest_to_newest 1811441 0 hypertree 2021-11-03 05:12:22 -0700 AvNav is a WebAssembly-powered offline-first Web Application that helps pilots plan flights and navigate complex airspaces. We are excited to see WebKit implementing COEP headers which enables SharedArrayBuffers/WASM Threads making our maps even faster. Big Thank you! We do see a small problem with the new implementation: Our app fails to load (silently - no exceptions) when using PTHERADS on WebGL 2.0 context - in iOS 15.2 beta and Safari Technology Preview 134. App works fine on WebGl 1.0 context (single and multi-threaded). Here are greatly simplified versions of our maps that demonstrate the problem (no registration or subscription required): Single Threaded WASM - works everywhere including all recent iOS/iPadOS versions: https://avnav.io/assets/demo/st/ Multi-Threaded WASM on WebGl 1.0 context - works in Chrome, Firefox and newly released iPadOS 15.2 beta and STP 134: https://avnav.io/assets/demo/mt/ Multi-Threaded WASM on WebGl 2.0 context - only works in Chrome, and Firefox - fails silently in iPadOS 15.2 beta and STP 134: https://avnav.io/assets/demo/mt_webgl2/ It will be nice if you can fix this in iOS/iPadOS 15.2 itself - so we don't have to go back to WebGL 1.0 context anywhere! Thank you! 1811497 1 ap 2021-11-03 09:49:58 -0700 > https://avnav.io/assets/demo/mt_webgl2/ The server is not responding right now, could you please check? 1811650 2 hypertree 2021-11-03 14:25:06 -0700 Server is back on. Its our sandbox - accidentally went down. Sorry about that. 1811811 3 kkinnunen 2021-11-04 03:22:08 -0700 Thank you for the report. It appears to hang somewhere during calls to convert uniform2fv and uniformMatrix4fv arguments via custom javascript (?). I'm not an expert when this would happen in JS or WASM. In case you have time to debug this more, a more minimal test case would be appreciated. E.g. remove content while still observing the hang, until the hang disappears. Also one strategy could be to console.log before each WebGL call, and see which ones are the last ones that work. Then you could report what kind of object is being passed to WebGL. If you have a programming stack that compiles some input language to WASM, you could also explain this so that we could try to make a test case using this stack. * frame #0: 0x0000000710a001a7 JavaScriptCore`JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) [inlined] WTF::ThreadSafeRefCountedBase::derefBase(this=<unavailable>) const at ThreadSafeRefCounted.h:86:13 [opt] frame #1: 0x0000000710a001a1 JavaScriptCore`JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) [inlined] WTF::ThreadSafeRefCounted<JSC::JITCode, (WTF::DestructionThread)0>::deref(this=<unavailable>) const at ThreadSafeRefCounted.h:113 [opt] frame #2: 0x0000000710a001a1 JavaScriptCore`JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) [inlined] WTF::DefaultRefDerefTraits<JSC::JITCode>::derefIfNotNull(ptr=0x000000072f513640) at RefPtr.h:42 [opt] frame #3: 0x0000000710a0019c JavaScriptCore`JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) [inlined] WTF::RefPtr<JSC::JITCode, WTF::RawPtrTraits<JSC::JITCode>, WTF::DefaultRefDerefTraits<JSC::JITCode> >::~RefPtr(this=<unavailable>) at RefPtr.h:73 [opt] frame #4: 0x0000000710a0019c JavaScriptCore`JSC::Interpreter::executeCall(JSC::JSGlobalObject*, JSC::JSObject*, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) [inlined] WTF::RefPtr<JSC::JITCode, WTF::RawPtrTraits<JSC::JITCode>, WTF::DefaultRefDerefTraits<JSC::JITCode> >::~RefPtr(this=<unavailable>) at RefPtr.h:73 [opt] frame #5: 0x0000000710a0019c JavaScriptCore`JSC::Interpreter::executeCall(this=<unavailable>, lexicalGlobalObject=<unavailable>, function=0x000000073671f580, callData=<unavailable>, thisValue=<unavailable>, args=0x00007ffeef4921d8) at Interpreter.cpp:970 [opt] frame #6: 0x0000000710d5846f JavaScriptCore`JSC::iteratorNext(globalObject=0x00000007161e8468, iterationRecord=IterationRecord @ 0x00007fc931cfe7e0, argument=JSValue @ scalar) at IteratorOperations.cpp:51:22 [opt] frame #7: 0x0000000710d5af98 JavaScriptCore`JSC::iteratorStep(globalObject=0x00000007161e8468, iterationRecord=<unavailable>) at IteratorOperations.cpp:76:22 [opt] frame #8: 0x000000070acba467 WebCore`void JSC::forEachInIterable<WebCore::Detail::GenericSequenceConverter<WebCore::IDLUnrestrictedFloat>::convert(JSC::JSGlobalObject&, JSC::JSObject*, JSC::JSValue, WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&)::'lambda'(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue)>(globalObject=0x00000007161e8468, iterable=<unavailable>, iteratorMethod=<unavailable>, callback=0x00007ffeef4922f8) at IteratorOperations.h:129:24 [opt] frame #9: 0x000000070acb9f5d WebCore`WebCore::Detail::NumericSequenceConverter<WebCore::IDLUnrestrictedFloat>::convert(lexicalGlobalObject=0x00000007161e8468, object=0x000000071c5f7ea0, method=JSValue @ r15) at IndexingHeader.h:0:54 [opt] frame #10: 0x000000070acb9ca0 WebCore`WebCore::Converter<WebCore::IDLUnion<WebCore::IDLAllowSharedAdaptor<WebCore::IDLFloat32Array>, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> > >::convert(JSC::JSGlobalObject&, JSC::JSValue) [inlined] WebCore::Detail::SequenceConverter<WebCore::IDLUnrestrictedFloat>::convert(lexicalGlobalObject=0x00000007161e8468, object=<unavailable>, method=JSValue @ r12) at JSDOMConvertSequences.h:323:16 [opt] frame #11: 0x000000070acb9c92 WebCore`WebCore::Converter<WebCore::IDLUnion<WebCore::IDLAllowSharedAdaptor<WebCore::IDLFloat32Array>, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> > >::convert(JSC::JSGlobalObject&, JSC::JSValue) [inlined] WebCore::Converter<WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> >::convert(lexicalGlobalObject=0x00000007161e8468, object=<unavailable>, method=JSValue @ r12) at JSDOMConvertSequences.h:369 [opt] frame #12: 0x000000070acb9c92 WebCore`WebCore::Converter<WebCore::IDLUnion<WebCore::IDLAllowSharedAdaptor<WebCore::IDLFloat32Array>, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> > >::convert(JSC::JSGlobalObject&, JSC::JSValue) [inlined] WebCore::ConditionalSequenceConverter<std::__1::variant<WTF::RefPtr<JSC::GenericTypedArrayView<JSC::Float32Adaptor>, WTF::RawPtrTraits<JSC::GenericTypedArrayView<JSC::Float32Adaptor> >, WTF::DefaultRefDerefTraits<JSC::GenericTypedArrayView<JSC::Float32Adaptor> > >, WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> >, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat>, true>::convert(lexicalGlobalObject=0x00000007161e8468, object=<unavailable>, method=JSValue @ r12) at JSDOMConvertUnion.h:86 [opt] frame #13: 0x000000070acb9c92 WebCore`WebCore::Converter<WebCore::IDLUnion<WebCore::IDLAllowSharedAdaptor<WebCore::IDLFloat32Array>, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> > >::convert(lexicalGlobalObject=0x00000007161e8468, value=JSValue @ 0x00007ffeef492368) at JSDOMConvertUnion.h:310 [opt] frame #14: 0x000000070acc172f WebCore`WebCore::jsWebGL2RenderingContextPrototypeFunction_uniformMatrix4fv1Body(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSWebGL2RenderingContext*) [inlined] WebCore::Converter<WebCore::IDLUnion<WebCore::IDLAllowSharedAdaptor<WebCore::IDLFloat32Array>, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> > >::ReturnType WebCore::convert<WebCore::IDLUnion<WebCore::IDLAllowSharedAdaptor<WebCore::IDLFloat32Array>, WebCore::IDLSequence<WebCore::IDLUnrestrictedFloat> > >(lexicalGlobalObject=0x00000007161e8468, value=JSValue @ 0x00007ffeef492450) at JSDOMConvertBase.h:61:12 [opt] frame #15: 0x000000070acc1720 WebCore`WebCore::jsWebGL2RenderingContextPrototypeFunction_uniformMatrix4fv1Body(lexicalGlobalObject=0x00000007161e8468, callFrame=0x00007ffeef492620, castedThis=<unavailable>) at JSWebGL2RenderingContext.cpp:8620 [opt] frame #16: 0x000000070ac988b4 WebCore`WebCore::jsWebGL2RenderingContextPrototypeFunction_uniformMatrix4fv(JSC::JSGlobalObject*, JSC::CallFrame*) [inlined] WebCore::jsWebGL2RenderingContextPrototypeFunction_uniformMatrix4fvOverloadDispatcher(lexicalGlobalObject=0x00000007161e8468, callFrame=0x00007ffeef492620, castedThis=<unavailable>) at JSDOMConvertNullable.h:0:13 [opt] frame #17: 0x000000070ac9885c WebCore`WebCore::jsWebGL2RenderingContextPrototypeFunction_uniformMatrix4fv(JSC::JSGlobalObject*, JSC::CallFrame*) [inlined] long long WebCore::IDLOperation<WebCore::JSWebGL2RenderingContext>::call<&(lexicalGlobalObject=0x00000007161e8468, callFrame=0x00007ffeef492620, operationName=<unavailable>)), (WebCore::CastedThisErrorBehavior)0>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*) at JSDOMOperation.h:63 [opt] frame #18: 0x000000070ac98857 WebCore`WebCore::jsWebGL2RenderingContextPrototypeFunction_uniformMatrix4fv(lexicalGlobalObject=0x00000007161e8468, callFrame=0x00007ffeef492620) at JSWebGL2RenderingContext.cpp:12759 [opt] frame #19: 0x00003496058011d8 frame #20: 0x00000007102ca2f9 JavaScriptCore`llint_entry at LowLevelInterpreter.asm:1177 frame #21: 0x00003496063e4713 frame #22: 0x0000349607040dbc frame #23: 0x000034960704100c frame #24: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #25: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #26: 0x00000007102d24be JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:803 frame #27: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #28: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #29: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #30: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #31: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #32: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #33: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 frame #34: 0x00000007102d1a1c JavaScriptCore`wasmLLIntPCRangeStart at WebAssembly.asm:812 1813547 4 webkit-bug-importer 2021-11-10 04:13:19 -0800 <rdar://problem/85249360> 1840420 5 hypertree 2022-02-11 09:57:34 -0800 Liking discussion in Emsrcipten Github repo about this bug: https://github.com/emscripten-core/emscripten/issues/16104 1840454 6 ysuzuki 2022-02-11 10:56:29 -0800 We should write fast path for typed array in JSDOMConvertSequences.h 1840664 7 451775 ysuzuki 2022-02-11 23:57:31 -0800 Created attachment 451775 Patch 1840731 8 ews-feeder 2022-02-12 14:45:31 -0800 Committed r289700 (247185@main): <https://commits.webkit.org/247185@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 451775. 1872163 9 bfulgham 2022-05-26 15:04:23 -0700 This fix shipped with Safari 15.5 (all platforms). 451775 2022-02-11 23:57:31 -0800 2022-02-12 14:45:33 -0800 Patch bug-232662-20220211235730.patch text/plain 4734 ysuzuki U3VidmVyc2lvbiBSZXZpc2lvbjogMjg5Njg5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNTM4NTk3YTgyYmZiMDY5 YTAzZjE1NWQ0ZDg2YWY0YjU1MmNkM2ViNC4uYzEyZjQ4YjUyNzg3ZmYyNGZhYjgzNGRkYWI5N2M3 OTgyNjkzMzYxYyAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE4IEBACisyMDIyLTAyLTExICBZdXN1 a2UgU3V6dWtpICA8eXN1enVraUBhcHBsZS5jb20+CisKKyAgICAgICAgV2ViR0wyIEFsbG93U2hh cmVkIFR5cGVkQXJyYXkgc2hvdWxkIGJlIGFjY2VwdGVkCisgICAgICAgIGh0dHBzOi8vYnVncy53 ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMzI2NjIKKworICAgICAgICBSZXZpZXdlZCBieSBO T0JPRFkgKE9PUFMhKS4KKworICAgICAgICBUZXN0OiB3ZWJnbC93ZWJnbC1hbGxvdy1zaGFyZWQt 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