mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=2 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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#include "CompositorChild.h"
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#include "CompositorParent.h"
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#include "LayerManagerOGL.h"
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#include "mozilla/layers/ShadowLayersChild.h"
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using mozilla::layers::ShadowLayersChild;
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namespace mozilla {
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namespace layers {
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/*static*/ CompositorChild* CompositorChild::sCompositor;
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CompositorChild::CompositorChild(LayerManager *aLayerManager)
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: mLayerManager(aLayerManager)
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{
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MOZ_COUNT_CTOR(CompositorChild);
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}
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CompositorChild::~CompositorChild()
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{
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MOZ_COUNT_DTOR(CompositorChild);
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}
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void
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CompositorChild::Destroy()
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{
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mLayerManager = NULL;
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while (size_t len = ManagedPLayersChild().Length()) {
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ShadowLayersChild* layers =
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static_cast<ShadowLayersChild*>(ManagedPLayersChild()[len - 1]);
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layers->Destroy();
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}
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SendStop();
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}
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/*static*/ PCompositorChild*
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CompositorChild::Create(Transport* aTransport, ProcessId aOtherProcess)
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{
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// There's only one compositor per child process.
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MOZ_ASSERT(!sCompositor);
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nsRefPtr<CompositorChild> child(new CompositorChild(nullptr));
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ProcessHandle handle;
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if (!base::OpenProcessHandle(aOtherProcess, &handle)) {
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// We can't go on without a compositor.
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NS_RUNTIMEABORT("Couldn't OpenProcessHandle() to parent process.");
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return nullptr;
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}
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if (!child->Open(aTransport, handle, XRE_GetIOMessageLoop(),
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AsyncChannel::Child)) {
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NS_RUNTIMEABORT("Couldn't Open() Compositor channel.");
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return nullptr;
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}
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// We release this ref in ActorDestroy().
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return sCompositor = child.forget().get();
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}
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/*static*/ PCompositorChild*
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CompositorChild::Get()
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{
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// This is only expected to be used in child processes.
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MOZ_ASSERT(XRE_GetProcessType() != GeckoProcessType_Default);
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return sCompositor;
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}
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PLayersChild*
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CompositorChild::AllocPLayers(const LayersBackend& aBackendHint,
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const uint64_t& aId,
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LayersBackend* aBackend,
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int* aMaxTextureSize)
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{
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return new ShadowLayersChild();
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}
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bool
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CompositorChild::DeallocPLayers(PLayersChild* actor)
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{
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delete actor;
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return true;
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}
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void
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CompositorChild::ActorDestroy(ActorDestroyReason aWhy)
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{
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MOZ_ASSERT(sCompositor == this);
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sCompositor = NULL;
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// We don't want to release the ref to sCompositor here, during
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// cleanup, because that will cause it to be deleted while it's
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// still being used. So defer the deletion to after it's not in
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// use.
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MessageLoop::current()->PostTask(
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FROM_HERE,
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NewRunnableMethod(this, &CompositorChild::Release));
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}
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} // namespace layers
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} // namespace mozilla
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