зеркало из https://github.com/mozilla/gecko-dev.git
105 строки
3.0 KiB
C++
105 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "VideoBridgeParent.h"
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#include "CompositorThread.h"
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#include "mozilla/layers/TextureHost.h"
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namespace mozilla {
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namespace layers {
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using namespace mozilla::ipc;
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using namespace mozilla::gfx;
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static VideoBridgeParent* sVideoBridgeSingleton;
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VideoBridgeParent::VideoBridgeParent() : mClosed(false) {
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mSelfRef = this;
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sVideoBridgeSingleton = this;
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mCompositorThreadRef = CompositorThreadHolder::GetSingleton();
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}
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VideoBridgeParent::~VideoBridgeParent() { sVideoBridgeSingleton = nullptr; }
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/* static */
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VideoBridgeParent* VideoBridgeParent::GetSingleton() {
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return sVideoBridgeSingleton;
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}
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TextureHost* VideoBridgeParent::LookupTexture(uint64_t aSerial) {
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return TextureHost::AsTextureHost(mTextureMap[aSerial]);
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}
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void VideoBridgeParent::ActorDestroy(ActorDestroyReason aWhy) {
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// Can't alloc/dealloc shmems from now on.
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mClosed = true;
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}
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void VideoBridgeParent::ActorDealloc() {
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mCompositorThreadRef = nullptr;
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mSelfRef = nullptr;
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}
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PTextureParent* VideoBridgeParent::AllocPTextureParent(
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const SurfaceDescriptor& aSharedData, const ReadLockDescriptor& aReadLock,
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const LayersBackend& aLayersBackend, const TextureFlags& aFlags,
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const uint64_t& aSerial) {
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PTextureParent* parent = TextureHost::CreateIPDLActor(
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this, aSharedData, aReadLock, aLayersBackend, aFlags, aSerial, Nothing());
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if (!parent) {
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return nullptr;
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}
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mTextureMap[aSerial] = parent;
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return parent;
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}
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bool VideoBridgeParent::DeallocPTextureParent(PTextureParent* actor) {
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mTextureMap.erase(TextureHost::GetTextureSerial(actor));
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return TextureHost::DestroyIPDLActor(actor);
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}
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void VideoBridgeParent::SendAsyncMessage(
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const InfallibleTArray<AsyncParentMessageData>& aMessage) {
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MOZ_ASSERT(false, "AsyncMessages not supported");
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}
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bool VideoBridgeParent::AllocShmem(size_t aSize,
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ipc::SharedMemory::SharedMemoryType aType,
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ipc::Shmem* aShmem) {
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if (mClosed) {
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return false;
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}
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return PVideoBridgeParent::AllocShmem(aSize, aType, aShmem);
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}
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bool VideoBridgeParent::AllocUnsafeShmem(
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size_t aSize, ipc::SharedMemory::SharedMemoryType aType,
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ipc::Shmem* aShmem) {
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if (mClosed) {
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return false;
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}
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return PVideoBridgeParent::AllocUnsafeShmem(aSize, aType, aShmem);
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}
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void VideoBridgeParent::DeallocShmem(ipc::Shmem& aShmem) {
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if (mClosed) {
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return;
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}
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PVideoBridgeParent::DeallocShmem(aShmem);
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}
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bool VideoBridgeParent::IsSameProcess() const {
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return OtherPid() == base::GetCurrentProcId();
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}
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void VideoBridgeParent::NotifyNotUsed(PTextureParent* aTexture,
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uint64_t aTransactionId) {}
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} // namespace layers
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} // namespace mozilla
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