gecko-dev/gfx/layers/SyncObject.h

77 строки
2.0 KiB
C
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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/RefCounted.h"
struct ID3D11Device;
namespace mozilla {
namespace layers {
#ifdef XP_WIN
typedef void* SyncHandle;
#else
typedef uintptr_t SyncHandle;
#endif // XP_WIN
class SyncObjectHost : public RefCounted<SyncObjectHost>
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SyncObjectHost)
virtual ~SyncObjectHost() { }
static already_AddRefed<SyncObjectHost> CreateSyncObjectHost(
#ifdef XP_WIN
ID3D11Device* aDevice = nullptr
#endif
);
virtual bool Init() = 0;
virtual SyncHandle GetSyncHandle() = 0;
// Return false for failed synchronization.
virtual bool Synchronize() = 0;
protected:
SyncObjectHost() { }
};
class SyncObjectClient : public external::AtomicRefCounted<SyncObjectClient>
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SyncObjectClient)
virtual ~SyncObjectClient() { }
static already_AddRefed<SyncObjectClient> CreateSyncObjectClient(SyncHandle aHandle
#ifdef XP_WIN
, ID3D11Device* aDevice = nullptr
#endif
);
enum class SyncType {
D3D11,
};
virtual SyncType GetSyncType() = 0;
// Return false for failed synchronization.
virtual bool Synchronize(bool aFallible = false) = 0;
virtual bool IsSyncObjectValid() = 0;
protected:
SyncObjectClient() { }
};
} // namespace layers
} // namespace mozilla
#endif //MOZILLA_GFX_LAYERS_SYNCOBJECT_H