зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
3.0 KiB
C++
84 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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#ifndef MOZILLA_GFX_VIDEOBRIDGECHILD_H
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#define MOZILLA_GFX_VIDEOBRIDGECHILD_H
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#include "mozilla/layers/PVideoBridgeChild.h"
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#include "ISurfaceAllocator.h"
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#include "TextureForwarder.h"
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namespace mozilla {
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namespace layers {
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class VideoBridgeChild final : public PVideoBridgeChild,
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public TextureForwarder {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoBridgeChild, override);
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static void StartupForGPUProcess();
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static void Shutdown();
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static VideoBridgeChild* GetSingletonToParentProcess();
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static VideoBridgeChild* GetSingletonToGPUProcess();
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// PVideoBridgeChild
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PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
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const ReadLockDescriptor& aReadLock,
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const LayersBackend& aLayersBackend,
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const TextureFlags& aFlags,
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const uint64_t& aSerial);
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bool DeallocPTextureChild(PTextureChild* actor);
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void ActorDestroy(ActorDestroyReason aWhy) override;
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void ActorDealloc() override;
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// ISurfaceAllocator
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bool AllocUnsafeShmem(size_t aSize,
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mozilla::ipc::SharedMemory::SharedMemoryType aShmType,
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mozilla::ipc::Shmem* aShmem) override;
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bool AllocShmem(size_t aSize,
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mozilla::ipc::SharedMemory::SharedMemoryType aShmType,
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mozilla::ipc::Shmem* aShmem) override;
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bool DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
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// TextureForwarder
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PTextureChild* CreateTexture(const SurfaceDescriptor& aSharedData,
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const ReadLockDescriptor& aReadLock,
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LayersBackend aLayersBackend,
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TextureFlags aFlags, uint64_t aSerial,
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wr::MaybeExternalImageId& aExternalImageId,
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nsIEventTarget* aTarget = nullptr) override;
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// ClientIPCAllocator
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base::ProcessId GetParentPid() const override { return OtherPid(); }
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MessageLoop* GetMessageLoop() const override { return mMessageLoop; }
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void CancelWaitForNotifyNotUsed(uint64_t aTextureId) override {
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MOZ_ASSERT(false, "NO RECYCLING HERE");
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}
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// ISurfaceAllocator
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bool IsSameProcess() const override;
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bool CanSend() { return mCanSend; }
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static void OpenToParentProcess(Endpoint<PVideoBridgeChild>&& aEndpoint);
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static void OpenToGPUProcess(Endpoint<PVideoBridgeChild>&& aEndpoint);
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private:
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VideoBridgeChild();
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virtual ~VideoBridgeChild();
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RefPtr<VideoBridgeChild> mIPDLSelfRef;
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MessageLoop* mMessageLoop;
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bool mCanSend;
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};
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} // namespace layers
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} // namespace mozilla
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#endif
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