[Webkit-unassigned] [Bug 167548] New: [GTK] ASSERTION FAILED: !m_layerTreeHost in DrawingAreaImpl::display()
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Jan 28 02:23:15 PST 2017
https://bugs.webkit.org/show_bug.cgi?id=167548
Bug ID: 167548
Summary: [GTK] ASSERTION FAILED: !m_layerTreeHost in
DrawingAreaImpl::display()
Classification: Unclassified
Product: WebKit
Version: WebKit Local Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Keywords: Gtk
Severity: Normal
Priority: P2
Component: WebKit Gtk
Assignee: webkit-unassigned at lists.webkit.org
Reporter: cgarcia at igalia.com
CC: bugs-noreply at webkitgtk.org
The problem is that non accelerated compositing forceRepaint implementation is doing a layout and then calling display. The layout makes the drawing area enter in AC mode and display asserts that we have a layer tree host. forceRepaint shouldn't do the layout because display already does that and it correctly handles the case of entering AC mode during the layout. It shouldn't call setNeedsDisplay either, because that schedules a display, but we are going to display synchronously.
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