mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
5327c7eaab
* * * Bug 805907 - Handle memory pressure notification in the TileStore. r=Cwiiis,ehsan --HG-- extra : rebase_source : 976deda3ab13c2e178f9a6922b7c17c294175fad
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set sw=2 ts=8 et tw=80 : */
|
|
/* 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 mozilla_layers_CompositorChild_h
|
|
#define mozilla_layers_CompositorChild_h
|
|
|
|
#include "mozilla/layers/PCompositorChild.h"
|
|
#include "nsXULAppAPI.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class LayerManager;
|
|
class CompositorParent;
|
|
|
|
class CompositorChild : public PCompositorChild
|
|
{
|
|
NS_INLINE_DECL_REFCOUNTING(CompositorChild)
|
|
public:
|
|
CompositorChild(LayerManager *aLayerManager);
|
|
virtual ~CompositorChild();
|
|
|
|
void Destroy();
|
|
|
|
/**
|
|
* We're asked to create a new Compositor in response to an Opens()
|
|
* or Bridge() request from our parent process. The Transport is to
|
|
* the compositor's context.
|
|
*/
|
|
static PCompositorChild*
|
|
Create(Transport* aTransport, ProcessId aOtherProcess);
|
|
|
|
static PCompositorChild* Get();
|
|
|
|
static bool ChildProcessHasCompositor() { return sCompositor != nullptr; }
|
|
protected:
|
|
virtual PLayersChild* AllocPLayers(const LayersBackend& aBackendHint,
|
|
const uint64_t& aId,
|
|
LayersBackend* aBackend,
|
|
int* aMaxTextureSize);
|
|
virtual bool DeallocPLayers(PLayersChild *aChild);
|
|
|
|
virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
|
|
|
|
virtual PGrallocBufferChild* AllocPGrallocBuffer(
|
|
const gfxIntSize&, const uint32_t&, const uint32_t&,
|
|
MaybeMagicGrallocBufferHandle*) MOZ_OVERRIDE
|
|
{ return nullptr; }
|
|
virtual bool DeallocPGrallocBuffer(PGrallocBufferChild*)
|
|
{ return false; }
|
|
|
|
private:
|
|
nsRefPtr<LayerManager> mLayerManager;
|
|
nsCOMPtr<nsIObserver> mMemoryPressureObserver;
|
|
|
|
// When we're in a child process, this is the process-global
|
|
// compositor that we use to forward transactions directly to the
|
|
// compositor context in another process.
|
|
static CompositorChild* sCompositor;
|
|
|
|
DISALLOW_EVIL_CONSTRUCTORS(CompositorChild);
|
|
};
|
|
|
|
} // layers
|
|
} // mozilla
|
|
|
|
#endif // mozilla_layers_CompositorChild_h
|