gfx/ipc/CanvasManagerParent.h

   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_CanvasManagerParent_h__
   7 #define _include_gfx_ipc_CanvasManagerParent_h__
   8
   9 #include "mozilla/gfx/PCanvasManagerParent.h"
  10 #include "mozilla/dom/ipc/IdType.h"
  11 #include "mozilla/StaticMonitor.h"
  12 #include "mozilla/UniquePtr.h"
  13 #include "nsHashtablesFwd.h"
  14 #include "nsTArray.h"
  15
  16 namespace mozilla {
  17 namespace layers {
  18 class CanvasTranslator;
  19 class HostIPCAllocator;
  20 class SharedSurfacesHolder;
  21 class SurfaceDescriptor;
  22 }  // namespace layers
  23
  24 namespace gfx {
  25
  26 class CanvasManagerParent final : public PCanvasManagerParent {
  27  public:
  28   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CanvasManagerParent, override);
  29
  30   static void Init(Endpoint<PCanvasManagerParent>&& aEndpoint,
  31                    layers::SharedSurfacesHolder* aSharedSurfacesHolder,
  32                    const dom::ContentParentId& aContentId);
  33
  34   static void Shutdown();
  35
  36   static void DisableRemoteCanvas();
  37
  38   CanvasManagerParent(layers::SharedSurfacesHolder* aSharedSurfacesHolder,
  39                       const dom::ContentParentId& aContentId);
  40
  41   void Bind(Endpoint<PCanvasManagerParent>&& aEndpoint);
  42   void ActorDestroy(ActorDestroyReason aWhy) override;
  43
  44   already_AddRefed<dom::PWebGLParent> AllocPWebGLParent();
  45   already_AddRefed<webgpu::PWebGPUParent> AllocPWebGPUParent();
  46   already_AddRefed<layers::PCanvasParent> AllocPCanvasParent();
  47
  48   mozilla::ipc::IPCResult RecvInitialize(const uint32_t& aId);
  49   mozilla::ipc::IPCResult RecvGetSnapshot(
  50       const uint32_t& aManagerId, const int32_t& aProtocolId,
  51       const Maybe<RemoteTextureOwnerId>& aOwnerId,
  52       webgl::FrontBufferSnapshotIpc* aResult);
  53
  54  private:
  55   static void ShutdownInternal();
  56   static void DisableRemoteCanvasInternal();
  57
  58   ~CanvasManagerParent() override;
  59
  60   RefPtr<layers::SharedSurfacesHolder> mSharedSurfacesHolder;
  61   const dom::ContentParentId mContentId;
  62   uint32_t mId = 0;
  63
  64   using ManagerSet = nsTHashSet<RefPtr<CanvasManagerParent>>;
  65   static ManagerSet sManagers;
  66 };
  67
  68 }  // namespace gfx
  69 }  // namespace mozilla
  70
  71 #endif  // _include_gfx_ipc_CanvasManagerParent_h__