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fff9bd3854
CloneOpenedToplevels, which is never called, is the only interesting caller of CloneToplevel. And CloneToplevel, in turn, is the only interesting caller of CloneManagees. Which means we can ditch all this code for a decent amount of space savings, both in code and writable static data (no more useless virtual function entries in vtables).
110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et 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 SharedBufferManagerPARENT_H_
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#define SharedBufferManagerPARENT_H_
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#include "mozilla/Atomics.h" // for Atomic
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#include "mozilla/layers/PSharedBufferManagerParent.h"
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#include "mozilla/StaticPtr.h"
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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#include "mozilla/ipc/ProtocolUtils.h"
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#include "mozilla/Mutex.h" // for Mutex
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namespace android {
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class GraphicBuffer;
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}
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#endif
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namespace base {
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class Thread;
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} // namespace base
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namespace mozilla {
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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class Mutex;
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#endif
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namespace layers {
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class SharedBufferManagerParent : public PSharedBufferManagerParent
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{
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friend class GrallocReporter;
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public:
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/**
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* Create a SharedBufferManagerParent for child process, and link to the child side before leaving
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*/
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static PSharedBufferManagerParent* Create(Transport* aTransport, ProcessId aOtherProcess);
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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android::sp<android::GraphicBuffer> GetGraphicBuffer(int64_t key);
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static android::sp<android::GraphicBuffer> GetGraphicBuffer(GrallocBufferRef aRef);
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#endif
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/**
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* Create a SharedBufferManagerParent but do not open the link
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*/
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SharedBufferManagerParent(ProcessId aOwner, base::Thread* aThread);
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virtual ~SharedBufferManagerParent();
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/**
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* When the IPC channel down or something bad make this Manager die, clear all the buffer reference!
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*/
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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virtual bool RecvAllocateGrallocBuffer(const IntSize&, const uint32_t&, const uint32_t&, mozilla::layers::MaybeMagicGrallocBufferHandle*) override;
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virtual bool RecvDropGrallocBuffer(const mozilla::layers::MaybeMagicGrallocBufferHandle& handle) override;
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/**
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* Break the buffer's sharing state, decrease buffer reference for both side
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*/
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static void DropGrallocBuffer(ProcessId id, mozilla::layers::SurfaceDescriptor aDesc);
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MessageLoop* GetMessageLoop();
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protected:
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/**
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* Break the buffer's sharing state, decrease buffer reference for both side
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*
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* Must be called from SharedBufferManagerParent's thread
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*/
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void DropGrallocBufferImpl(mozilla::layers::SurfaceDescriptor aDesc);
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// dispatched function
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static void DropGrallocBufferSync(SharedBufferManagerParent* mgr, mozilla::layers::SurfaceDescriptor aDesc);
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/**
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* Function for find the buffer owner, most buffer passing on IPC contains only owner/key pair.
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* Use these function to access the real buffer.
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* Caller needs to hold sManagerMonitor.
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*/
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static SharedBufferManagerParent* GetInstance(ProcessId id);
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/**
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* All living SharedBufferManager instances used to find the buffer owner, and parent->child IPCs
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*/
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static std::map<base::ProcessId, SharedBufferManagerParent*> sManagers;
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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/**
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* Buffers owned by this SharedBufferManager pair
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*/
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std::map<int64_t, android::sp<android::GraphicBuffer> > mBuffers;
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#endif
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base::ProcessId mOwner;
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base::Thread* mThread;
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bool mDestroyed;
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Mutex mLock;
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static uint64_t sBufferKey;
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static StaticAutoPtr<Monitor> sManagerMonitor;
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};
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} /* namespace layers */
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} /* namespace mozilla */
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#endif /* SharedBufferManagerPARENT_H_ */
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