225512 2021-05-07 07:48:27 -0700 [GTK] Use always async scrolling in accelerated compositing mode 2022-09-28 08:19:44 -0700 1 1 1 Unclassified WebKit WebKitGTK WebKit Nightly Build Unspecified Unspecified REOPENED Gtk P2 Normal --- 225740 245783 1 cgarcia webkit-unassigned alex berto bugs-noreply cmarcelo commit-queue ews-watchlist fujii gustavo gyuyoung.kim luiz ryuan.choi sergio zdobersek zeno oldest_to_newest 1757859 0 cgarcia 2021-05-07 07:48:27 -0700 We currently use async scrolling only when the hardware acceleration policy is set for always, but not when entering accelerating compositing mode in ondemand policy. 1757860 1 427996 cgarcia 2021-05-07 07:53:18 -0700 Created attachment 427996 Patch 1757861 2 ews-watchlist 2021-05-07 07:54:10 -0700 Thanks for the patch. If this patch contains new public API please make sure it follows the guidelines for new WebKit2 GTK+ API. See https://trac.webkit.org/wiki/WebKitGTK/AddingNewWebKit2API 1758412 3 427996 fujii 2021-05-09 19:12:45 -0700 Comment on attachment 427996 Patch Honestly speaking I prefer the approach doing that in WebPage without platfrom #if (attachment#420247) rather than in DrawingAreaCoordinatedGraphics with #if PLATFORM(GTK). But, I don't have time to Bug 225512 now. And, I admit it's a good idea not changing Cocoa-port code for this. 1758414 4 fujii 2021-05-09 19:13:54 -0700 *** Bug 221067 has been marked as a duplicate of this bug. *** 1758440 5 cgarcia 2021-05-10 00:39:40 -0700 (In reply to Fujii Hironori from comment #3) > Comment on attachment 427996 [details] > Patch > > Honestly speaking I prefer the approach doing that in WebPage without > platfrom #if (attachment#420247 [details]) rather than in > DrawingAreaCoordinatedGraphics with #if PLATFORM(GTK). > But, I don't have time to Bug 225512 now. And, I admit it's a good idea not > changing Cocoa-port code for this. Problem is that enter/exit in WebPage doesn't seem to be balanced, enter can be called more than once, and I've seen also exit/enter calls that don't really exit and enter the AC mode. That doesn't happen with the enter/exit calls in DrawingArea. 1758449 6 cgarcia 2021-05-10 02:14:04 -0700 Committed r277258 (237527@main): <https://commits.webkit.org/237527@main> 1759592 7 commit-queue 2021-05-13 02:47:20 -0700 Re-opened since this is blocked by bug 225740 1759596 8 cgarcia 2021-05-13 02:49:48 -0700 This is not so easy in the end. with the patch we are now causing that pages enter in Ac mode when there's an iframe, for example, because async frame scrolling is enabled. I need to investigate this further. 1759618 9 alex 2021-05-13 03:53:46 -0700 Chris and me are working in checking some regressions since I activated the async mode in WPE testing by default (bug 224596), the problem can be related. Can you send more information of the failures you are seeing? 1759643 10 cgarcia 2021-05-13 04:57:16 -0700 See https://bugs.webkit.org/show_bug.cgi?id=225644. But the test failure is not the only issue I've noticed, as I said before. 427996 2021-05-07 07:53:18 -0700 2021-05-09 19:12:45 -0700 Patch wkgtk-async-scrolling.diff text/plain 7789 cgarcia ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nIGIvU291cmNlL1dlYktpdC9DaGFu Z2VMb2cKaW5kZXggZmU5OGE3NmVkZjc0Li5kMzAwZjFiZDRhOTYgMTAwNjQ0Ci0tLSBhL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMg KzEsMjkgQEAKKzIwMjEtMDUtMDcgIENhcmxvcyBHYXJjaWEgQ2FtcG9zICA8Y2dhcmNpYUBpZ2Fs aWEuY29tPgorCisgICAgICAgIFtHVEtdIFVzZSBhbHdheXMgYXN5bmMgc2Nyb2xsaW5nIGluIGFj Y2VsZXJhdGVkIGNvbXBvc2l0aW5nIG1vZGUKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5v cmcvc2hvd19idWcuY2dpP2lkPTIyNTUxMgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAo T09QUyEpLgorCisgICAgICAgIFdlIGN1cnJlbnRseSB1c2UgYXN5bmMgc2Nyb2xsaW5nIG9ubHkg d2hlbiB0aGUgaGFyZHdhcmUgYWNjZWxlcmF0aW9uIHBvbGljeSBpcyBzZXQgZm9yIGFsd2F5cywg YnV0IG5vdCB3aGVuCisgICAgICAgIGVudGVyaW5nIGFjY2VsZXJhdGluZyBjb21wb3NpdGluZyBt 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