mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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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 "LayerTransactionChild.h"
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#include "mozilla/layers/CompositableClient.h" // for CompositableChild
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#include "mozilla/layers/LayersSurfaces.h" // for PGrallocBufferChild
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#include "mozilla/layers/PCompositableChild.h" // for PCompositableChild
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#include "mozilla/layers/PLayerChild.h" // for PLayerChild
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#include "mozilla/mozalloc.h" // for operator delete, etc
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#include "nsDebug.h" // for NS_RUNTIMEABORT, etc
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#include "nsTArray.h" // for nsTArray
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namespace mozilla {
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namespace layers {
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class PGrallocBufferChild;
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void
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LayerTransactionChild::Destroy()
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{
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NS_ABORT_IF_FALSE(0 == ManagedPLayerChild().Length(),
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"layers should have been cleaned up by now");
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PLayerTransactionChild::Send__delete__(this);
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// WARNING: |this| has gone to the great heap in the sky
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}
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PGrallocBufferChild*
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LayerTransactionChild::AllocPGrallocBufferChild(const gfxIntSize&,
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const uint32_t&,
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const uint32_t&,
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MaybeMagicGrallocBufferHandle*)
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{
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#ifdef MOZ_HAVE_SURFACEDESCRIPTORGRALLOC
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return GrallocBufferActor::Create();
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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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LayerTransactionChild::DeallocPGrallocBufferChild(PGrallocBufferChild* 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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PLayerChild*
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LayerTransactionChild::AllocPLayerChild()
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{
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// we always use the "power-user" ctor
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NS_RUNTIMEABORT("not reached");
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return nullptr;
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}
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bool
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LayerTransactionChild::DeallocPLayerChild(PLayerChild* 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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PCompositableChild*
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LayerTransactionChild::AllocPCompositableChild(const TextureInfo& aInfo)
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{
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return new CompositableChild();
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}
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bool
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LayerTransactionChild::DeallocPCompositableChild(PCompositableChild* 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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LayerTransactionChild::ActorDestroy(ActorDestroyReason why)
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{
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#ifdef MOZ_B2G
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// Due to poor lifetime management of gralloc (and possibly shmems) we will
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// crash at some point in the future when we get destroyed due to abnormal
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// shutdown. Its better just to crash here. On desktop though, we have a chance
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// of recovering.
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if (why == AbnormalShutdown) {
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NS_RUNTIMEABORT("ActorDestroy by IPC channel failure at LayerTransactionChild");
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}
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#endif
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}
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} // namespace layers
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} // namespace mozilla
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