gecko-dev/gfx/layers/ipc/VideoBridgeChild.h

78 строки
2.6 KiB
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/* -*- 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 MOZILLA_GFX_VIDEOBRIDGECHILD_H
#define MOZILLA_GFX_VIDEOBRIDGECHILD_H
#include "mozilla/layers/PVideoBridgeChild.h"
#include "ISurfaceAllocator.h"
#include "TextureForwarder.h"
namespace mozilla {
namespace layers {
class VideoBridgeChild final : public PVideoBridgeChild
, public TextureForwarder
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoBridgeChild, override);
static void Startup();
static void Shutdown();
static VideoBridgeChild* GetSingleton();
// PVideoBridgeChild
PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
const LayersBackend& aLayersBackend,
const TextureFlags& aFlags,
const uint64_t& aSerial) override;
bool DeallocPTextureChild(PTextureChild* actor) override;
void ActorDestroy(ActorDestroyReason aWhy) override;
void DeallocPVideoBridgeChild() override;
// ISurfaceAllocator
bool AllocUnsafeShmem(size_t aSize,
mozilla::ipc::SharedMemory::SharedMemoryType aShmType,
mozilla::ipc::Shmem* aShmem) override;
bool AllocShmem(size_t aSize,
mozilla::ipc::SharedMemory::SharedMemoryType aShmType,
mozilla::ipc::Shmem* aShmem) override;
bool DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
// TextureForwarder
PTextureChild* CreateTexture(const SurfaceDescriptor& aSharedData,
LayersBackend aLayersBackend,
TextureFlags aFlags,
uint64_t aSerial,
wr::MaybeExternalImageId& aExternalImageId,
nsIEventTarget* aTarget = nullptr) override;
// ClientIPCAllocator
base::ProcessId GetParentPid() const override { return OtherPid(); }
MessageLoop * GetMessageLoop() const override { return mMessageLoop; }
void CancelWaitForRecycle(uint64_t aTextureId) override { MOZ_ASSERT(false, "NO RECYCLING HERE"); }
// ISurfaceAllocator
bool IsSameProcess() const override;
bool CanSend() { return mCanSend; }
private:
VideoBridgeChild();
~VideoBridgeChild();
RefPtr<VideoBridgeChild> mIPDLSelfRef;
MessageLoop* mMessageLoop;
bool mCanSend;
};
} // namespace layers
} // namespace mozilla
#endif