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f5e4873899
Differential Revision: https://phabricator.services.mozilla.com/D43774 --HG-- extra : moz-landing-system : lando
38 lines
1.3 KiB
Plaintext
38 lines
1.3 KiB
Plaintext
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et : */
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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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using mozilla::CrossProcessSemaphoreHandle from "mozilla/ipc/CrossProcessSemaphore.h";
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using mozilla::layers::TextureType from "mozilla/layers/LayersTypes.h";
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using mozilla::ipc::SharedMemoryBasic::Handle from "mozilla/ipc/SharedMemoryBasic.h";
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namespace mozilla {
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namespace layers {
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/**
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* PCanvas is the IPDL for recorded Canvas drawing.
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*/
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sync protocol PCanvas {
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parent:
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/**
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* Initialize a CanvasTranslator for a particular TextureType, which
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* translates events from a CanvasEventRingBuffer. aReadHandle is the shared
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* memory handle for the ring buffer. aReaderSem and aWriterSem are handles
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* for the semaphores to handle waiting on either side.
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*/
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async InitTranslator(TextureType aTextureType, Handle aReadHandle,
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CrossProcessSemaphoreHandle aReaderSem,
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CrossProcessSemaphoreHandle aWriterSem);
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/**
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* Used to tell the CanvasTranslator to start translating again after it has
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* stopped due to a timeout waiting for events.
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*/
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async ResumeTranslation();
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};
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} // layers
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} // mozilla
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