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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:44:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:44:51 +0000
commit9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/layers/ipc/VideoBridgeParent.h
parentInitial commit. (diff)
downloadthunderbird-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.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/gfx/layers/ipc/VideoBridgeParent.h b/gfx/layers/ipc/VideoBridgeParent.h
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+/* -*- 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_