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Diffstat (limited to '')
| -rw-r--r-- | gfx/ipc/PVsyncBridge.ipdl | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gfx/ipc/PVsyncBridge.ipdl b/gfx/ipc/PVsyncBridge.ipdl new file mode 100644 index 0000000000..84fd7d8a17 --- /dev/null +++ b/gfx/ipc/PVsyncBridge.ipdl @@ -0,0 +1,27 @@ +/* -*- Mode: C++; tab-width: 8; 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 "mozilla/layers/LayersMessageUtils.h"; + +using class mozilla::TimeStamp from "mozilla/TimeStamp.h"; +using mozilla::layers::LayersId from "mozilla/layers/LayersTypes.h"; +using mozilla::VsyncEvent from "mozilla/VsyncDispatcher.h"; + +namespace mozilla { +namespace gfx { + +// This protocol only serves one purpose: deliver vsync notifications from a +// dedicated thread in the UI process to the compositor thread in the +// compositor process. The child side exists in the UI process, and the +// parent side in the GPU process. +[NeedsOtherPid, ParentProc=GPU, ChildProc=Parent] +sync protocol PVsyncBridge +{ +parent: + async NotifyVsync(VsyncEvent vsync, LayersId layersId); +}; + +} // namespace gfx +} // namespace mozilla |