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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_LAYERS_SYNCOBJECT_H
#define MOZILLA_GFX_LAYERS_SYNCOBJECT_H
#include "mozilla/gfx/FileHandleWrapper.h"
#include "mozilla/RefCounted.h"
struct ID3D11Device;
namespace mozilla {
namespace layers {
#ifdef XP_WIN
typedef RefPtr<gfx::FileHandleWrapper> SyncHandle;
#else
typedef uintptr_t SyncHandle;
#endif // XP_WIN
class SyncObjectHost : public RefCounted<SyncObjectHost> {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SyncObjectHost)
virtual ~SyncObjectHost() = default;
#ifdef XP_WIN
static already_AddRefed<SyncObjectHost> CreateSyncObjectHost(
ID3D11Device* aDevice);
#endif
virtual bool Init() = 0;
virtual SyncHandle GetSyncHandle() = 0;
// Return false for failed synchronization.
virtual bool Synchronize(bool aFallible = false) = 0;
protected:
SyncObjectHost() = default;
};
class SyncObjectClient : public external::AtomicRefCounted<SyncObjectClient> {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SyncObjectClient)
virtual ~SyncObjectClient() = default;
#ifdef XP_WIN
static already_AddRefed<SyncObjectClient> CreateSyncObjectClient(
SyncHandle aHandle, ID3D11Device* aDevice);
#endif
static already_AddRefed<SyncObjectClient>
CreateSyncObjectClientForContentDevice(SyncHandle aHandle);
enum class SyncType {
D3D11,
};
virtual SyncType GetSyncType() = 0;
// Return false for failed synchronization.
virtual bool Synchronize(bool aFallible = false) = 0;
virtual bool IsSyncObjectValid() = 0;
virtual void EnsureInitialized() = 0;
protected:
SyncObjectClient() = default;
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_LAYERS_SYNCOBJECT_H
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