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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/ipc/ImageBridgeParent.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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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 gfx_layers_ipc_ImageBridgeParent_h_
+#define gfx_layers_ipc_ImageBridgeParent_h_
+
+#include <stddef.h> // for size_t
+#include <stdint.h> // for uint32_t, uint64_t
+#include "CompositableTransactionParent.h"
+#include "ImageContainerParent.h"
+#include "mozilla/Assertions.h" // for MOZ_ASSERT_HELPER2
+#include "mozilla/Attributes.h" // for override
+#include "mozilla/ipc/ProtocolUtils.h"
+#include "mozilla/ipc/SharedMemory.h" // for SharedMemory, etc
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/layers/PImageBridgeParent.h"
+#include "nsISupportsImpl.h"
+#include "nsTArrayForwardDeclare.h" // for InfallibleTArray
+
+class MessageLoop;
+
+namespace base {
+class Thread;
+} // namespace base
+
+namespace mozilla {
+namespace ipc {
+class Shmem;
+} // namespace ipc
+
+namespace layers {
+
+/**
+ * ImageBridgeParent is the manager Protocol of ImageContainerParent.
+ * It's purpose is mainly to setup the IPDL connection. Most of the
+ * interesting stuff is in ImageContainerParent.
+ */
+class ImageBridgeParent final : public PImageBridgeParent,
+ public CompositableParentManager,
+ public ShmemAllocator
+{
+public:
+ typedef InfallibleTArray<CompositableOperation> EditArray;
+ typedef InfallibleTArray<OpDestroy> OpDestroyArray;
+ typedef InfallibleTArray<EditReply> EditReplyArray;
+
+protected:
+ ImageBridgeParent(MessageLoop* aLoop, ProcessId aChildProcessId);
+
+public:
+ ~ImageBridgeParent();
+
+ /**
+ * Creates the globals of ImageBridgeParent.
+ */
+ static void Setup();
+
+ static ImageBridgeParent* CreateSameProcess();
+ static bool CreateForGPUProcess(Endpoint<PImageBridgeParent>&& aEndpoint);
+ static bool CreateForContent(Endpoint<PImageBridgeParent>&& aEndpoint);
+
+ virtual ShmemAllocator* AsShmemAllocator() override { return this; }
+
+ virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+
+ // CompositableParentManager
+ virtual void SendAsyncMessage(const InfallibleTArray<AsyncParentMessageData>& aMessage) override;
+
+ virtual void NotifyNotUsed(PTextureParent* aTexture, uint64_t aTransactionId) override;
+
+ virtual base::ProcessId GetChildProcessId() override
+ {
+ return OtherPid();
+ }
+
+ // PImageBridge
+ virtual bool RecvImageBridgeThreadId(const PlatformThreadId& aThreadId) override;
+ virtual bool RecvUpdate(EditArray&& aEdits, OpDestroyArray&& aToDestroy,
+ const uint64_t& aFwdTransactionId,
+ EditReplyArray* aReply) override;
+ virtual bool RecvUpdateNoSwap(EditArray&& aEdits, OpDestroyArray&& aToDestroy,
+ const uint64_t& aFwdTransactionId) override;
+
+ PCompositableParent* AllocPCompositableParent(const TextureInfo& aInfo,
+ PImageContainerParent* aImageContainer,
+ uint64_t*) override;
+ bool DeallocPCompositableParent(PCompositableParent* aActor) override;
+
+ virtual PTextureParent* AllocPTextureParent(const SurfaceDescriptor& aSharedData,
+ const LayersBackend& aLayersBackend,
+ const TextureFlags& aFlags,
+ const uint64_t& aSerial) override;
+ virtual bool DeallocPTextureParent(PTextureParent* actor) override;
+
+ PMediaSystemResourceManagerParent* AllocPMediaSystemResourceManagerParent() override;
+ bool DeallocPMediaSystemResourceManagerParent(PMediaSystemResourceManagerParent* aActor) override;
+ virtual PImageContainerParent* AllocPImageContainerParent() override;
+ virtual bool DeallocPImageContainerParent(PImageContainerParent* actor) override;
+
+ // Shutdown step 1
+ virtual bool RecvWillClose() override;
+
+ MessageLoop* GetMessageLoop() const { return mMessageLoop; }
+
+ // ShmemAllocator
+
+ virtual bool AllocShmem(size_t aSize,
+ ipc::SharedMemory::SharedMemoryType aType,
+ ipc::Shmem* aShmem) override;
+
+ virtual bool AllocUnsafeShmem(size_t aSize,
+ ipc::SharedMemory::SharedMemoryType aType,
+ ipc::Shmem* aShmem) override;
+
+ virtual void DeallocShmem(ipc::Shmem& aShmem) override;
+
+ virtual bool IsSameProcess() const override;
+
+ static RefPtr<ImageBridgeParent> GetInstance(ProcessId aId);
+
+ static bool NotifyImageComposites(nsTArray<ImageCompositeNotification>& aNotifications);
+
+ virtual bool UsesImageBridge() const override { return true; }
+
+ virtual bool IPCOpen() const override { return !mClosed; }
+
+protected:
+ void OnChannelConnected(int32_t pid) override;
+
+ void Bind(Endpoint<PImageBridgeParent>&& aEndpoint);
+
+private:
+ void DeferredDestroy();
+ MessageLoop* mMessageLoop;
+ // This keeps us alive until ActorDestroy(), at which point we do a
+ // deferred destruction of ourselves.
+ RefPtr<ImageBridgeParent> mSelfRef;
+
+ bool mSetChildThreadPriority;
+ bool mClosed;
+
+ /**
+ * Map of all living ImageBridgeParent instances
+ */
+ static std::map<base::ProcessId, ImageBridgeParent*> sImageBridges;
+
+ RefPtr<CompositorThreadHolder> mCompositorThreadHolder;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // gfx_layers_ipc_ImageBridgeParent_h_