From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 gfx/ipc/PVsyncBridge.ipdl | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 gfx/ipc/PVsyncBridge.ipdl

(limited to 'gfx/ipc/PVsyncBridge.ipdl')

diff --git a/gfx/ipc/PVsyncBridge.ipdl b/gfx/ipc/PVsyncBridge.ipdl
new file mode 100644
index 000000000..03c68bbde
--- /dev/null
+++ b/gfx/ipc/PVsyncBridge.ipdl
@@ -0,0 +1,22 @@
+/* -*- 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/. */
+
+using class mozilla::TimeStamp from "mozilla/TimeStamp.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.
+sync protocol PVsyncBridge
+{
+parent:
+  async NotifyVsync(TimeStamp vsyncTimeStamp, uint64_t layersId);
+};
+
+} // namespace gfx
+} // namespace mozilla
-- 
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