gfx/layers/ipc/FenceUtils.h

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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * vim: sw=2 ts=8 et :
3 */
4 /* This Source Code Form is subject to the terms of the Mozilla Public
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7
8 #ifndef IPC_FencerUtils_h
9 #define IPC_FencerUtils_h
10
11 #include "ipc/IPCMessageUtils.h"
12
13 /**
14 * FenceHandle is used for delivering Fence object via ipc.
15 */
16 #if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
17 # include "mozilla/layers/FenceUtilsGonk.h"
18 #else
19 namespace mozilla {
20 namespace layers {
21 struct FenceHandle {
22 bool operator==(const FenceHandle&) const { return false; }
23 bool IsValid() const { return false; }
24 };
25 } // namespace layers
26 } // namespace mozilla
27 #endif // MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
28
29 namespace IPC {
30
31 #if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
32 #else
33 template <>
34 struct ParamTraits<mozilla::layers::FenceHandle> {
35 typedef mozilla::layers::FenceHandle paramType;
36 static void Write(Message*, const paramType&) {}
37 static bool Read(const Message*, void**, paramType*) { return false; }
38 };
39 #endif // MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
40
41 } // namespace IPC
42
43 #endif // IPC_FencerUtils_h

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