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Bug 1066242 - Use a 'ui' chromium message loop/pump for the Windows compositor thread so that it can process native windowing events. r=Bas

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This commit is contained in:
Jim Mathies 2014-09-11 17:55:59 -05:00
parent a49e6d3dc0
commit 6e51c70132
1 changed files with 6 additions and 0 deletions
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6
gfx/layers/ipc/CompositorParent.cpp
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@ -149,6 +149,12 @@ CompositorThreadHolder::CreateCompositorThread()
* Compositor hangs seen in the wild, but is short enough to not miss getting
* native hang stacks. */
options.permanent_hang_timeout = 2048; // milliseconds
#if defined(_WIN32)
/* With d3d9 the compositor thread creates native ui, see DeviceManagerD3D9. As
* such the thread is a gui thread, and must process a windows message queue or
* risk deadlocks. Chromium message loop TYPE_UI does exactly what we need. */
options.message_loop_type = MessageLoop::TYPE_UI;
#endif
if (!compositorThread->StartWithOptions(options)) {
delete compositorThread;