base::Thread*
CompositorThread()
{
return sCompositorThreadHolder
? sCompositorThreadHolder->GetCompositorThread()
: nullptr;
}
void
CompositorThreadHolder::Start()
{
MOZ_ASSERT(NS_IsMainThread(), "Should be on the main Thread!");
MOZ_ASSERT(!sCompositorThreadHolder, "The compositor thread has already been started!");
// We unset the holder instead of asserting because failing to start the
// compositor thread may not be a fatal error. As long as this succeeds in
// either the GPU process or the UI process, the user will have a usable
// browser. If we get neither, it will crash as soon as we try to post to the
// compositor thread for the first time.
sCompositorThreadHolder = new CompositorThreadHolder();
if (!sCompositorThreadHolder->GetCompositorThread()) {
gfxCriticalNote << "Compositor thread not started (" << XRE_IsParentProcess() << ")";
sCompositorThreadHolder = nullptr;
}
}
