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70040ff272
We report the number of frames dropped by the compositor because they were too late through: ImageComposite -> ImageHost -> CompositableTransactionParent -> ImageBridgeParent -> IPDL -> ImageBridgeChild -> ImageContainerListener -> ImageContainer -> VideoSink Differential Revision: https://phabricator.services.mozilla.com/D2177
65 lines
2.5 KiB
Plaintext
65 lines
2.5 KiB
Plaintext
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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include LayersSurfaces;
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include LayersMessages;
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include protocol PTexture;
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include ProtocolTypes;
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include protocol PMediaSystemResourceManager;
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include "mozilla/GfxMessageUtils.h";
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include "mozilla/layers/LayersMessageUtils.h";
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include "mozilla/layers/WebRenderMessageUtils.h";
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using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
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using mozilla::layers::TextureFlags from "mozilla/layers/CompositorTypes.h";
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using mozilla::layers::CompositableHandle from "mozilla/layers/LayersTypes.h";
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using mozilla::wr::MaybeExternalImageId from "mozilla/webrender/WebRenderTypes.h";
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namespace mozilla {
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namespace layers {
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/**
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* The PImageBridge protocol is used to allow isolated threads or processes to push
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* frames directly to the compositor thread/process without relying on the main thread
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* which might be too busy dealing with content script.
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*/
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sync protocol PImageBridge
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{
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manages PTexture;
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manages PMediaSystemResourceManager;
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child:
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async ParentAsyncMessages(AsyncParentMessageData[] aMessages);
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async DidComposite(ImageCompositeNotification[] aNotifications);
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// Report the number of frames dropped for the given CompositableHost.
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async ReportFramesDropped(CompositableHandle aHandle, uint32_t aFrames);
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parent:
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async Update(CompositableOperation[] ops, OpDestroy[] toDestroy, uint64_t fwdTransactionId);
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// First step of the destruction sequence. This puts ImageBridge
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// in a state in which it can't send asynchronous messages
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// so as to not race with the channel getting closed.
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// In the child side, the Closing the channel does not happen right after WillClose,
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// it is scheduled in the ImageBridgeChild's message queue in order to ensure
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// that all of the messages from the parent side have been received and processed
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// before sending closing the channel.
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sync WillClose();
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async PTexture(SurfaceDescriptor aSharedData, ReadLockDescriptor aReadLock, LayersBackend aBackend, TextureFlags aTextureFlags, uint64_t aSerial, MaybeExternalImageId aExternalImageId);
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async PMediaSystemResourceManager();
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sync NewCompositable(CompositableHandle aHandle, TextureInfo aInfo, LayersBackend aBackend);
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async ReleaseCompositable(CompositableHandle aHandle);
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};
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} // namespace
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} // namespace
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