gecko-dev/gfx/ipc/CompositorWidgetVsyncObserv...

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C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=99: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "CompositorWidgetVsyncObserver.h"
#include "mozilla/gfx/VsyncBridgeChild.h"
namespace mozilla {
namespace widget {
CompositorWidgetVsyncObserver::CompositorWidgetVsyncObserver(
RefPtr<VsyncBridgeChild> aVsyncBridge,
const uint64_t& aRootLayerTreeId)
: mVsyncBridge(aVsyncBridge),
mRootLayerTreeId(aRootLayerTreeId)
{
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
}
bool
CompositorWidgetVsyncObserver::NotifyVsync(TimeStamp aTimeStamp)
{
// Vsync notifications should only arrive on the vsync thread.
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(!NS_IsMainThread());
mVsyncBridge->NotifyVsync(aTimeStamp, mRootLayerTreeId);
return true;
}
} // namespace widget
} // namespace mozilla