Mypal/gfx/layers/ipc/VideoBridgeParent.h
2020-07-16 02:35:31 +03:00

74 lines
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 gfx_layers_ipc_VideoBridgeParent_h_
#define gfx_layers_ipc_VideoBridgeParent_h_
#include "mozilla/layers/PVideoBridgeParent.h"
#include "mozilla/layers/ISurfaceAllocator.h"
namespace mozilla {
namespace layers {
class VideoBridgeParent final : public PVideoBridgeParent,
public HostIPCAllocator,
public ShmemAllocator
{
public:
VideoBridgeParent();
~VideoBridgeParent();
static VideoBridgeParent* GetSingleton();
TextureHost* LookupTexture(uint64_t aSerial);
// PVideoBridgeParent
void ActorDestroy(ActorDestroyReason aWhy) override;
PTextureParent* AllocPTextureParent(const SurfaceDescriptor& aSharedData,
const LayersBackend& aLayersBackend,
const TextureFlags& aFlags,
const uint64_t& aSerial) override;
bool DeallocPTextureParent(PTextureParent* actor) override;
// HostIPCAllocator
base::ProcessId GetChildProcessId() override
{
return OtherPid();
}
void NotifyNotUsed(PTextureParent* aTexture, uint64_t aTransactionId) override;
void SendAsyncMessage(const InfallibleTArray<AsyncParentMessageData>& aMessage) override;
// ISurfaceAllocator
ShmemAllocator* AsShmemAllocator() override { return this; }
bool IsSameProcess() const override;
bool IPCOpen() const override { return !mClosed; }
// ShmemAllocator
bool AllocShmem(size_t aSize,
ipc::SharedMemory::SharedMemoryType aType,
ipc::Shmem* aShmem) override;
bool AllocUnsafeShmem(size_t aSize,
ipc::SharedMemory::SharedMemoryType aType,
ipc::Shmem* aShmem) override;
void DeallocShmem(ipc::Shmem& aShmem) override;
private:
void DeallocPVideoBridgeParent() override;
// This keeps us alive until ActorDestroy(), at which point we do a
// deferred destruction of ourselves.
RefPtr<VideoBridgeParent> mSelfRef;
std::map<uint64_t, PTextureParent*> mTextureMap;
bool mClosed;
};
} // namespace layers
} // namespace mozilla
#endif // gfx_layers_ipc_VideoBridgeParent_h_