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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/layers/ipc/PImageBridge.ipdl | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/ipc/PImageBridge.ipdl')
-rw-r--r-- | gfx/layers/ipc/PImageBridge.ipdl | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gfx/layers/ipc/PImageBridge.ipdl b/gfx/layers/ipc/PImageBridge.ipdl new file mode 100644 index 0000000000..8af889d8ac --- /dev/null +++ b/gfx/layers/ipc/PImageBridge.ipdl @@ -0,0 +1,65 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * 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/. */ + +include LayersSurfaces; +include LayersMessages; +include protocol PTexture; +include ProtocolTypes; +include protocol PMediaSystemResourceManager; + +include "mozilla/GfxMessageUtils.h"; +include "mozilla/layers/LayersMessageUtils.h"; +include "mozilla/layers/WebRenderMessageUtils.h"; + +using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h"; +using mozilla::layers::TextureFlags from "mozilla/layers/CompositorTypes.h"; +using mozilla::layers::CompositableHandle from "mozilla/layers/LayersTypes.h"; +using mozilla::wr::MaybeExternalImageId from "mozilla/webrender/WebRenderTypes.h"; + +namespace mozilla { +namespace layers { + +/** + * The PImageBridge protocol is used to allow isolated threads or processes to push + * frames directly to the compositor thread/process without relying on the main thread + * which might be too busy dealing with content script. + */ +[NeedsOtherPid, ParentProc=compositor, ChildProc=anydom] +sync protocol PImageBridge +{ + manages PTexture; + manages PMediaSystemResourceManager; + +child: + async ParentAsyncMessages(AsyncParentMessageData[] aMessages); + + async DidComposite(ImageCompositeNotification[] aNotifications); + + // Report the number of frames dropped for the given CompositableHost. + async ReportFramesDropped(CompositableHandle aHandle, uint32_t aFrames); + +parent: + async Update(CompositableOperation[] ops, OpDestroy[] toDestroy, uint64_t fwdTransactionId); + + // First step of the destruction sequence. This puts ImageBridge + // in a state in which it can't send asynchronous messages + // so as to not race with the channel getting closed. + // In the child side, the Closing the channel does not happen right after WillClose, + // it is scheduled in the ImageBridgeChild's message queue in order to ensure + // that all of the messages from the parent side have been received and processed + // before sending closing the channel. + async WillClose(); + + async PTexture(SurfaceDescriptor aSharedData, ReadLockDescriptor aReadLock, LayersBackend aBackend, TextureFlags aTextureFlags, uint64_t aSerial, MaybeExternalImageId aExternalImageId); + async PMediaSystemResourceManager(); + + sync NewCompositable(CompositableHandle aHandle, TextureInfo aInfo); + async ReleaseCompositable(CompositableHandle aHandle); +}; + + +} // namespace +} // namespace + |