1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef _include_gfx_ipc_CanvasManagerChild_h__
7 #define _include_gfx_ipc_CanvasManagerChild_h__
9 #include "mozilla/Atomics.h"
10 #include "mozilla/gfx/PCanvasManagerChild.h"
11 #include "mozilla/gfx/Types.h"
12 #include "mozilla/ThreadLocal.h"
16 class CanvasRenderingContext2D
;
17 class ThreadSafeWorkerRef
;
23 class ActiveResourceTracker
;
31 class DataSourceSurface
;
33 class CanvasManagerChild final
: public PCanvasManagerChild
{
35 NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CanvasManagerChild
, override
);
37 explicit CanvasManagerChild(dom::ThreadSafeWorkerRef
* aWorkerRef
,
39 uint32_t Id() const { return mId
; }
40 already_AddRefed
<DataSourceSurface
> GetSnapshot(
41 uint32_t aManagerId
, int32_t aProtocolId
,
42 const Maybe
<RemoteTextureOwnerId
>& aOwnerId
, SurfaceFormat aFormat
,
43 bool aPremultiply
, bool aYFlip
);
44 void ActorDestroy(ActorDestroyReason aReason
) override
;
46 static CanvasManagerChild
* Get();
47 static CanvasManagerChild
* MaybeGet();
48 static void Shutdown();
49 static bool CreateParent(
50 mozilla::ipc::Endpoint
<PCanvasManagerParent
>&& aEndpoint
);
52 bool IsCanvasActive() { return mActive
; }
53 void EndCanvasTransaction();
54 void ClearCachedResources();
55 void DeactivateCanvas();
58 RefPtr
<layers::CanvasChild
> GetCanvasChild();
60 RefPtr
<webgpu::WebGPUChild
> GetWebGPUChild();
62 layers::ActiveResourceTracker
* GetActiveResourceTracker();
65 ~CanvasManagerChild();
66 void DestroyInternal();
69 RefPtr
<mozilla::dom::ThreadSafeWorkerRef
> mWorkerRef
;
70 RefPtr
<layers::CanvasChild
> mCanvasChild
;
71 RefPtr
<webgpu::WebGPUChild
> mWebGPUChild
;
72 UniquePtr
<layers::ActiveResourceTracker
> mActiveResourceTracker
;
75 bool mBlocked
= false;
77 static MOZ_THREAD_LOCAL(CanvasManagerChild
*) sLocalManager
;
78 static Atomic
<uint32_t> sNextId
;
82 } // namespace mozilla
84 #endif // _include_gfx_ipc_CanvasManagerChild_h__