зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
3.2 KiB
C++
125 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "VideoBridgeChild.h"
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#include "VideoBridgeParent.h"
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#include "CompositorThread.h"
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namespace mozilla {
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namespace layers {
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StaticRefPtr<VideoBridgeChild> sVideoBridgeChildSingleton;
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/* static */ void
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VideoBridgeChild::Startup()
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{
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sVideoBridgeChildSingleton = new VideoBridgeChild();
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RefPtr<VideoBridgeParent> parent = new VideoBridgeParent();
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MessageLoop* loop = CompositorThreadHolder::Loop();
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sVideoBridgeChildSingleton->Open(parent->GetIPCChannel(),
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loop,
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ipc::ChildSide);
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sVideoBridgeChildSingleton->mIPDLSelfRef = sVideoBridgeChildSingleton;
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parent->SetOtherProcessId(base::GetCurrentProcId());
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}
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/* static */ void
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VideoBridgeChild::Shutdown()
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{
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if (sVideoBridgeChildSingleton) {
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sVideoBridgeChildSingleton->Close();
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sVideoBridgeChildSingleton = nullptr;
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}
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}
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VideoBridgeChild::VideoBridgeChild()
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: mMessageLoop(MessageLoop::current())
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, mCanSend(true)
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{
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}
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VideoBridgeChild::~VideoBridgeChild()
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{
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}
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VideoBridgeChild*
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VideoBridgeChild::GetSingleton()
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{
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return sVideoBridgeChildSingleton;
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}
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bool
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VideoBridgeChild::AllocUnsafeShmem(size_t aSize,
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ipc::SharedMemory::SharedMemoryType aType,
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ipc::Shmem* aShmem)
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{
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return PVideoBridgeChild::AllocUnsafeShmem(aSize, aType, aShmem);
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}
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bool
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VideoBridgeChild::AllocShmem(size_t aSize,
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ipc::SharedMemory::SharedMemoryType aType,
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ipc::Shmem* aShmem)
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{
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MOZ_ASSERT(CanSend());
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return PVideoBridgeChild::AllocShmem(aSize, aType, aShmem);
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}
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bool
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VideoBridgeChild::DeallocShmem(ipc::Shmem& aShmem)
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{
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return PVideoBridgeChild::DeallocShmem(aShmem);
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}
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PTextureChild*
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VideoBridgeChild::AllocPTextureChild(const SurfaceDescriptor&,
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const LayersBackend&,
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const TextureFlags&,
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const uint64_t& aSerial)
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{
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MOZ_ASSERT(CanSend());
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return TextureClient::CreateIPDLActor();
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}
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bool
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VideoBridgeChild::DeallocPTextureChild(PTextureChild* actor)
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{
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return TextureClient::DestroyIPDLActor(actor);
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}
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void
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VideoBridgeChild::ActorDestroy(ActorDestroyReason aWhy)
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{
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mCanSend = false;
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}
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void
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VideoBridgeChild::DeallocPVideoBridgeChild()
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{
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mIPDLSelfRef = nullptr;
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}
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PTextureChild*
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VideoBridgeChild::CreateTexture(const SurfaceDescriptor& aSharedData,
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LayersBackend aLayersBackend,
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TextureFlags aFlags,
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uint64_t aSerial,
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wr::MaybeExternalImageId& aExternalImageId,
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nsIEventTarget* aTarget)
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{
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MOZ_ASSERT(CanSend());
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return SendPTextureConstructor(aSharedData, aLayersBackend, aFlags, aSerial);
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}
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bool VideoBridgeChild::IsSameProcess() const
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{
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return OtherPid() == base::GetCurrentProcId();
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}
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} // namespace layers
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} // namespace mozilla
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