зеркало из https://github.com/mozilla/gecko-dev.git
85 строки
2.0 KiB
C++
85 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=99: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "LayerTreeOwnerTracker.h"
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#include "mozilla/StaticPtr.h" // for StaticAutoPtr
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#include "mozilla/dom/ContentParent.h" // for ContentParent
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#include "mozilla/gfx/GPUChild.h" // for GPUChild
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#include "mozilla/gfx/GPUProcessManager.h" // for GPUProcessManager
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#include <functional>
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#include <utility> // for std::make_pair
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namespace mozilla {
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namespace layers {
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static StaticAutoPtr<LayerTreeOwnerTracker> sSingleton;
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LayerTreeOwnerTracker::LayerTreeOwnerTracker() :
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mLayerIdsLock("LayerTreeOwnerTrackerLock")
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{
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}
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void
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LayerTreeOwnerTracker::Initialize()
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{
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MOZ_ASSERT(!sSingleton);
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sSingleton = new LayerTreeOwnerTracker();
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}
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void
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LayerTreeOwnerTracker::Shutdown()
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{
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sSingleton = nullptr;
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}
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LayerTreeOwnerTracker*
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LayerTreeOwnerTracker::Get()
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{
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return sSingleton;
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}
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void
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LayerTreeOwnerTracker::Map(uint64_t aLayersId, base::ProcessId aProcessId)
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{
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MutexAutoLock lock(mLayerIdsLock);
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// Add the mapping to the list
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mLayerIds[aLayersId] = aProcessId;
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}
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void
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LayerTreeOwnerTracker::Unmap(uint64_t aLayersId, base::ProcessId aProcessId)
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{
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MutexAutoLock lock(mLayerIdsLock);
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MOZ_ASSERT(mLayerIds[aLayersId] == aProcessId);
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mLayerIds.erase(aLayersId);
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}
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bool
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LayerTreeOwnerTracker::IsMapped(uint64_t aLayersId, base::ProcessId aProcessId)
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{
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MutexAutoLock lock(mLayerIdsLock);
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auto iter = mLayerIds.find(aLayersId);
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return iter != mLayerIds.end() && iter->second == aProcessId;
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}
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void
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LayerTreeOwnerTracker::Iterate(const std::function<void(uint64_t aLayersId, base::ProcessId aProcessId)>& aCallback)
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{
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MutexAutoLock lock(mLayerIdsLock);
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for (const auto& iter : mLayerIds) {
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aCallback(iter.first, iter.second);
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}
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}
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} // namespace layers
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} // namespace mozilla
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