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123 lines
3.1 KiB
C++
123 lines
3.1 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 "base/thread.h"
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#include "mozilla/layers/CompositorParent.h"
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#include "mozilla/layers/ImageBridgeParent.h"
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#include "mozilla/layers/ImageContainerParent.h"
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#include "nsTArray.h"
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#include "nsXULAppAPI.h"
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using namespace base;
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using namespace mozilla::ipc;
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namespace mozilla {
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namespace layers {
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ImageBridgeParent::ImageBridgeParent(MessageLoop* aLoop)
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: mMessageLoop(aLoop)
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{
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ImageContainerParent::CreateSharedImageMap();
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}
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ImageBridgeParent::~ImageBridgeParent()
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{
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ImageContainerParent::DestroySharedImageMap();
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}
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static void
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ConnectImageBridgeInParentProcess(ImageBridgeParent* aBridge,
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Transport* aTransport,
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ProcessHandle aOtherProcess)
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{
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aBridge->Open(aTransport, aOtherProcess,
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XRE_GetIOMessageLoop(), AsyncChannel::Parent);
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}
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/*static*/ PImageBridgeParent*
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ImageBridgeParent::Create(Transport* aTransport, ProcessId aOtherProcess)
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{
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ProcessHandle processHandle;
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if (!base::OpenProcessHandle(aOtherProcess, &processHandle)) {
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return nullptr;
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}
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MessageLoop* loop = CompositorParent::CompositorLoop();
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ImageBridgeParent* bridge = new ImageBridgeParent(loop);
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loop->PostTask(FROM_HERE,
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NewRunnableFunction(ConnectImageBridgeInParentProcess,
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bridge, aTransport, processHandle));
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return bridge;
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}
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bool ImageBridgeParent::RecvStop()
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{
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unsigned int numChildren = ManagedPImageContainerParent().Length();
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for (unsigned int i = 0; i < numChildren; ++i) {
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static_cast<ImageContainerParent*>(
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ManagedPImageContainerParent()[i]
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)->DoStop();
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}
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return true;
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}
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static uint64_t GenImageContainerID() {
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static uint64_t sNextImageID = 1;
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++sNextImageID;
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return sNextImageID;
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}
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PGrallocBufferParent*
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ImageBridgeParent::AllocPGrallocBuffer(const gfxIntSize& aSize,
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const uint32_t& aFormat,
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const uint32_t& aUsage,
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MaybeMagicGrallocBufferHandle* aOutHandle)
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{
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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return GrallocBufferActor::Create(aSize, aFormat, aUsage, aOutHandle);
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#else
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NS_RUNTIMEABORT("No gralloc buffers for you");
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return nullptr;
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#endif
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}
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bool
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ImageBridgeParent::DeallocPGrallocBuffer(PGrallocBufferParent* actor)
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{
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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delete actor;
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return true;
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#else
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NS_RUNTIMEABORT("Um, how did we get here?");
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return false;
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#endif
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}
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PImageContainerParent* ImageBridgeParent::AllocPImageContainer(uint64_t* aID)
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{
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uint64_t id = GenImageContainerID();
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*aID = id;
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return new ImageContainerParent(id);
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}
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bool ImageBridgeParent::DeallocPImageContainer(PImageContainerParent* toDealloc)
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{
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delete toDealloc;
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return true;
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}
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MessageLoop * ImageBridgeParent::GetMessageLoop() {
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return mMessageLoop;
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}
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} // layers
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} // mozilla
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