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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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
#ifndef MOZILLA_GFX_CompositeProcessD3D11FencesHolderMap_H
#define MOZILLA_GFX_CompositeProcessD3D11FencesHolderMap_H
#include <d3d11.h>
#include <vector>
#include "mozilla/layers/LayersTypes.h"
#include "mozilla/Maybe.h"
#include "mozilla/Monitor.h"
#include "mozilla/StaticPtr.h"
namespace mozilla {
namespace layers {
class FenceD3D11;
/**
* A class to manage FenceD3D11 that is shared in GPU process.
*/
class CompositeProcessD3D11FencesHolderMap {
public:
static void Init();
static void Shutdown();
static CompositeProcessD3D11FencesHolderMap* Get() { return sInstance; }
CompositeProcessD3D11FencesHolderMap();
~CompositeProcessD3D11FencesHolderMap();
void Register(CompositeProcessFencesHolderId aHolderId);
void Unregister(CompositeProcessFencesHolderId aHolderId);
void SetWriteFence(CompositeProcessFencesHolderId aHolderId,
RefPtr<FenceD3D11> aWriteFence);
void SetReadFence(CompositeProcessFencesHolderId aHolderId,
RefPtr<FenceD3D11> aReadFence);
bool WaitWriteFence(CompositeProcessFencesHolderId aHolderId,
ID3D11Device* aDevice);
bool WaitAllFencesAndForget(CompositeProcessFencesHolderId aHolderId,
ID3D11Device* aDevice);
private:
struct FencesHolder {
FencesHolder() = default;
RefPtr<FenceD3D11> mWriteFence;
std::vector<RefPtr<FenceD3D11>> mReadFences;
};
mutable Monitor mMonitor MOZ_UNANNOTATED;
std::unordered_map<CompositeProcessFencesHolderId, UniquePtr<FencesHolder>,
CompositeProcessFencesHolderId::HashFn>
mFencesHolderById;
static StaticAutoPtr<CompositeProcessD3D11FencesHolderMap> sInstance;
};
} // namespace layers
} // namespace mozilla
#endif /* MOZILLA_GFX_CompositeProcessD3D11FencesHolderMap_H */