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d6e0c270d1
* chore: bump chromium in DEPS to 147.0.7724.0 * chore: bump chromium in DEPS to 147.0.7725.0 * chore: bump chromium in DEPS to 147.0.7727.0 * chore: update patches Refs https://chromium-review.googlesource.com/c/chromium/src/+/7633903 * fix: pass weak-ptr-bound callback to OnCommandsChanged Refs https://chromium-review.googlesource.com/c/chromium/src/+/7622614 * fix: add missing option to CSS corner smoothing property Refs https://chromium-review.googlesource.com/c/chromium/src/+/7646628 --------- Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com> Co-authored-by: Samuel Maddock <samuelmaddock@electronjs.org>
25 lines
1.7 KiB
Diff
25 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andy Locascio <andy@slack-corp.com>
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Date: Wed, 21 Aug 2019 12:09:10 -0700
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Subject: fix: disabling compositor recycling
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Compositor recycling is useful for Chrome because there can be many tabs and spinning up a compositor for each one would be costly. In practice, Chrome uses the parent compositor code path of browser_compositor_view_mac.mm; the NSView of each tab is detached when it's hidden and attached when it's shown. For Electron, there is no parent compositor, so we're forced into the "own compositor" code path, which seems to be non-optimal and pretty ruthless in terms of the release of resources. Electron has no real concept of multiple tabs per window, so it should be okay to disable this ruthless recycling altogether in Electron.
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diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
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index a36dd07237392e537c389628b5814e205c1f979f..3d7544d24afc3d86d59a8a1e0de6bc6956ba63ae 100644
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--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
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+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
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@@ -588,7 +588,11 @@
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}
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host()->WasHidden();
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- browser_compositor_->SetRenderWidgetHostIsHidden(true);
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+ // Consider the RWHV occluded only if it is not attached to a window
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+ // (e.g. unattached BrowserView). Otherwise we treat it as visible to
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+ // prevent unnecessary compositor recycling.
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+ const bool unattached = ![GetInProcessNSView() window];
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+ browser_compositor_->SetRenderWidgetHostIsHidden(unattached);
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// Headless mode forces focus change propagation inside Focus(), since there
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// is no NSWindow to deliver the normal focus change notifications. As a
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