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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/ipc/PImageBridge.ipdl
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Add m-esr52 at 52.6.0
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+/* -*- 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 PCompositable;
+include protocol PImageContainer;
+include protocol PLayer;
+include protocol PTexture;
+include ProtocolTypes;
+include protocol PMediaSystemResourceManager;
+
+include "mozilla/GfxMessageUtils.h";
+
+using struct mozilla::layers::TextureInfo from "mozilla/layers/CompositorTypes.h";
+using mozilla::layers::TextureFlags from "mozilla/layers/CompositorTypes.h";
+
+using PlatformThreadId from "base/platform_thread.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.
+ */
+sync protocol PImageBridge
+{
+ manages PCompositable;
+ manages PTexture;
+ manages PMediaSystemResourceManager;
+ manages PImageContainer;
+
+child:
+ async ParentAsyncMessages(AsyncParentMessageData[] aMessages);
+
+ async DidComposite(ImageCompositeNotification[] aNotifications);
+
+parent:
+ async ImageBridgeThreadId(PlatformThreadId aTreahdId);
+
+ sync Update(CompositableOperation[] ops, OpDestroy[] toDestroy, uint64_t fwdTransactionId)
+ returns (EditReply[] reply);
+
+ async UpdateNoSwap(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.
+ sync WillClose();
+
+ sync PCompositable(TextureInfo aInfo,
+ nullable PImageContainer aImageContainer) returns (uint64_t id);
+ async PTexture(SurfaceDescriptor aSharedData, LayersBackend aBackend, TextureFlags aTextureFlags, uint64_t aSerial);
+ async PMediaSystemResourceManager();
+ async PImageContainer();
+
+};
+
+
+} // namespace
+} // namespace
+