31 lines
1.8 KiB
Diff
31 lines
1.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Samuel Maddock <smaddock@slack-corp.com>
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Date: Fri, 18 Oct 2024 11:11:11 -0400
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Subject: fix: software compositing infinite loop
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When GPU compositing is unavailable, LayerTreeView::RequestNewLayerTreeFrameSink
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may run in an infinite loop due to a race condition. Need to allow time to
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process CompositingModeFallbackToSoftware IPC to disable GPU compositing.
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https://issues.chromium.org/345275130
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diff --git a/third_party/blink/renderer/platform/widget/compositing/layer_tree_view.cc b/third_party/blink/renderer/platform/widget/compositing/layer_tree_view.cc
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index 3bbaa7dafcff1c88badaec0dbf14fd3320130398..8db903f3f343ed8723ad8adcb978b01fc27c6d9e 100644
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--- a/third_party/blink/renderer/platform/widget/compositing/layer_tree_view.cc
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+++ b/third_party/blink/renderer/platform/widget/compositing/layer_tree_view.cc
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@@ -375,9 +375,13 @@ void LayerTreeView::DidFailToInitializeLayerTreeFrameSink() {
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// unable to be killed after Chrome is closed.
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// https://issues.chromium.org/336164423
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if (!Platform::Current()->IsGpuRemoteDisconnected()) {
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- layer_tree_host_->GetTaskRunnerProvider()->MainThreadTaskRunner()->PostTask(
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+ // CompositingModeFallbackToSoftware IPC will disable GPU compositing in
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+ // RenderThread. Post task with delay to give time to receive this IPC and
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+ // prevent infinite loop of retries for software renderers.
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+ // https://issues.chromium.org/345275130
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+ layer_tree_host_->GetTaskRunnerProvider()->MainThreadTaskRunner()->PostDelayedTask(
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FROM_HERE, base::BindOnce(&LayerTreeView::RequestNewLayerTreeFrameSink,
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- weak_factory_.GetWeakPtr()));
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+ weak_factory_.GetWeakPtr()), base::Milliseconds(10));
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}
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}
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