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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/layers/ipc/VideoBridgeParent.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/ipc/VideoBridgeParent.h')
-rw-r--r-- | gfx/layers/ipc/VideoBridgeParent.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/gfx/layers/ipc/VideoBridgeParent.h b/gfx/layers/ipc/VideoBridgeParent.h new file mode 100644 index 0000000000..9a3466f59a --- /dev/null +++ b/gfx/layers/ipc/VideoBridgeParent.h @@ -0,0 +1,86 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 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 gfx_layers_ipc_VideoBridgeParent_h_ +#define gfx_layers_ipc_VideoBridgeParent_h_ + +#include "mozilla/layers/ISurfaceAllocator.h" +#include "mozilla/layers/PVideoBridgeParent.h" + +namespace mozilla { +namespace layers { + +enum class VideoBridgeSource : uint8_t; +class CompositorThreadHolder; + +class VideoBridgeParent final : public PVideoBridgeParent, + public HostIPCAllocator, + public mozilla::ipc::IShmemAllocator { + public: + NS_INLINE_DECL_REFCOUNTING_INHERITED(VideoBridgeParent, HostIPCAllocator) + + static VideoBridgeParent* GetSingleton( + const Maybe<VideoBridgeSource>& aSource); + + static void Open(Endpoint<PVideoBridgeParent>&& aEndpoint, + VideoBridgeSource aSource); + static void Shutdown(); + static void UnregisterExternalImages(); + + TextureHost* LookupTexture(const dom::ContentParentId& aContentId, + uint64_t aSerial); + + // PVideoBridgeParent + void ActorDestroy(ActorDestroyReason aWhy) override; + PTextureParent* AllocPTextureParent(const SurfaceDescriptor& aSharedData, + ReadLockDescriptor& aReadLock, + const LayersBackend& aLayersBackend, + const TextureFlags& aFlags, + const dom::ContentParentId& aContentId, + const uint64_t& aSerial); + bool DeallocPTextureParent(PTextureParent* actor); + + // HostIPCAllocator + base::ProcessId GetChildProcessId() override { return OtherPid(); } + void NotifyNotUsed(PTextureParent* aTexture, + uint64_t aTransactionId) override; + void SendAsyncMessage( + const nsTArray<AsyncParentMessageData>& aMessage) override; + + // ISurfaceAllocator + IShmemAllocator* AsShmemAllocator() override { return this; } + bool IsSameProcess() const override; + bool IPCOpen() const override { return !mClosed; } + + // IShmemAllocator + bool AllocShmem(size_t aSize, ipc::Shmem* aShmem) override; + + bool AllocUnsafeShmem(size_t aSize, ipc::Shmem* aShmem) override; + + bool DeallocShmem(ipc::Shmem& aShmem) override; + + void OnChannelError() override; + + private: + ~VideoBridgeParent(); + + explicit VideoBridgeParent(VideoBridgeSource aSource); + void Bind(Endpoint<PVideoBridgeParent>&& aEndpoint); + + void ReleaseCompositorThread(); + void DoUnregisterExternalImages(); + + RefPtr<CompositorThreadHolder> mCompositorThreadHolder; + + std::map<uint64_t, PTextureParent*> mTextureMap; + + bool mClosed; +}; + +} // namespace layers +} // namespace mozilla + +#endif // gfx_layers_ipc_VideoBridgeParent_h_ |