221396 2021-02-04 03:44:58 -0800 RemoteGraphicsContextGLProxy should support losing the context and should lose the context on timeouts 2021-02-10 14:42:30 -0800 1 1 1 Unclassified WebKit WebGL WebKit Local Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 217211 219641 221488 221665 1 kkinnunen kkinnunen dino kbr simon.fraser webkit-bug-importer oldest_to_newest 1725575 0 kkinnunen 2021-02-04 03:44:58 -0800 RemoteGraphicsContextGLProxy should support losing the context and should lose the context on timeouts 1725581 1 419266 kkinnunen 2021-02-04 04:17:27 -0800 Created attachment 419266 Patch 1725984 2 419377 kkinnunen 2021-02-05 02:17:38 -0800 Created attachment 419377 Patch 1727015 3 419701 kkinnunen 2021-02-09 05:35:36 -0800 Created attachment 419701 rebase 1727052 4 419701 simon.fraser 2021-02-09 08:26:29 -0800 Comment on attachment 419701 rebase View in context: https://bugs.webkit.org/attachment.cgi?id=419701&action=review > Source/WebKit/GPUProcess/graphics/RemoteGraphicsContextGL.cpp:59 > + send(Messages::RemoteGraphicsContextGLProxy::WasCreated(true, extensions, requestableExtensions), m_graphicsContextGLIdentifier); What does the 'true' mean? > Source/WebKit/WebProcess/GPU/GPUProcessConnection.cpp:182 > + // Skip messages intended for already removed messageReceiverMap() destinations. > +#if ENABLE(WEBGL) > + if (decoder.messageReceiverName() == Messages::RemoteGraphicsContextGLProxy::messageReceiverName()) > + return true; > +#endif This seems pretty unusual. Do we do this elsewhere? > Source/WebKit/WebProcess/GPU/graphics/RemoteGraphicsContextGLProxy.h:357 > + void disconnectGpuProcessIfNeeded(); > + void abandonGpuProcess(); What's the difference between these? What does "abandon" imply? > Source/WebKit/WebProcess/GPU/graphics/RemoteGraphicsContextGLProxyFunctionsGenerated.cpp:39 > + if (!isContextLost()) { > + auto sendResult = send(Messages::RemoteGraphicsContextGL::SetFailNextGPUStatusCheck()); > + if (!sendResult) > + markContextLost(); > + } There's lot of boilerplate here. I wonder if we can factor this to avoid future mistakes where we forget to check context lost. 1727502 5 kkinnunen 2021-02-10 03:56:00 -0800 Thanks for the review! (In reply to Simon Fraser (smfr) from comment #4) >> + send(Messages::RemoteGraphicsContextGLProxy::WasCreated(true, extensions, requestableExtensions), m_graphicsContextGLIdentifier); > What does the 'true' mean? That the creation was success. I can improve this in future patches. > > Source/WebKit/WebProcess/GPU/GPUProcessConnection.cpp:182 > > + // Skip messages intended for already removed messageReceiverMap() destinations. > > +#if ENABLE(WEBGL) > > + if (decoder.messageReceiverName() == Messages::RemoteGraphicsContextGLProxy::messageReceiverName()) > > + return true; > > +#endif > > This seems pretty unusual. Do we do this elsewhere? No. All sites are pretty buggy wrt various timeout, connection lost and graceful connection shutdown scenarios. > > Source/WebKit/WebProcess/GPU/graphics/RemoteGraphicsContextGLProxy.h:357 > > + void disconnectGpuProcessIfNeeded(); > > + void abandonGpuProcess(); > > What's the difference between these? What does "abandon" imply? One is where we disconnect the connection between the proxy and the object it proxies. Other is where the disconnect has happened (e.g. a timeout) and we just forget the object we proxied. > > > Source/WebKit/WebProcess/GPU/graphics/RemoteGraphicsContextGLProxyFunctionsGenerated.cpp:39 > > + if (!isContextLost()) { > > + auto sendResult = send(Messages::RemoteGraphicsContextGL::SetFailNextGPUStatusCheck()); > > + if (!sendResult) > > + markContextLost(); > > + } > > There's lot of boilerplate here. I wonder if we can factor this to avoid > future mistakes where we forget to check context lost. Good idea, I'll change this in future commit. 1727503 6 ews-feeder 2021-02-10 04:04:54 -0800 Committed r272645: <https://commits.webkit.org/r272645> All reviewed patches have been landed. Closing bug and clearing flags on attachment 419701. 1727817 7 webkit-bug-importer 2021-02-10 14:42:30 -0800 <rdar://problem/74207073> 419266 2021-02-04 04:17:27 -0800 2021-02-05 02:17:32 -0800 Patch bug-221396-20210204141725.patch text/plain 171623 kkinnunen U3VidmVyc2lvbiBSZXZpc2lvbjogMjcyMzY1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDU5ODg1M2JmZjEzMzVjODZm Mzg5NjU4YTFmNGRlNDZiNTkwMWIxZDQuLjliODM5OWVkYzkwOTIyMjQ2NGE0OTYzYjljMmZkMzgy YTlhYWJkMmUgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsOTcgQEAKKzIwMjEtMDItMDQgIEtpbW1vIEtp bm51bmVuICA8a2tpbm51bmVuQGFwcGxlLmNvbT4KKworICAgICAgICBSZW1vdGVHcmFwaGljc0Nv bnRleHRHTFByb3h5IHNob3VsZCBzdXBwb3J0IGxvc2luZyB0aGUgY29udGV4dCBhbmQgc2hvdWxk IGxvc2UgdGhlIGNvbnRleHQgb24gdGltZW91dHMKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtp dC5vcmcvc2hvd19idWcuY2dpP2lkPTIyMTM5NgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9E 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