gecko-dev/gfx/layers/ipc/FenceUtils.h

66 строки
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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/. */
#ifndef IPC_FencerUtils_h
#define IPC_FencerUtils_h
#include "ipc/IPCMessageUtils.h"
/**
* FenceHandle is used for delivering Fence object via ipc.
*/
#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
# include "mozilla/layers/FenceUtilsGonk.h"
#else
namespace mozilla {
namespace layers {
struct FenceHandleFromChild;
struct FenceHandle {
FenceHandle() {}
explicit FenceHandle(const FenceHandleFromChild& aFenceHandle) {}
bool operator==(const FenceHandle&) const { return false; }
bool IsValid() const { return false; }
void Merge(const FenceHandle& aFenceHandle) {}
};
struct FenceHandleFromChild {
FenceHandleFromChild() {}
explicit FenceHandleFromChild(const FenceHandle& aFence) {}
bool operator==(const FenceHandle&) const { return false; }
bool operator==(const FenceHandleFromChild&) const { return false; }
bool IsValid() const { return false; }
};
} // namespace layers
} // namespace mozilla
#endif // MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
namespace IPC {
#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
#else
template <>
struct ParamTraits<mozilla::layers::FenceHandle> {
typedef mozilla::layers::FenceHandle paramType;
static void Write(Message*, const paramType&) {}
static bool Read(const Message*, void**, paramType*) { return false; }
};
template <>
struct ParamTraits<mozilla::layers::FenceHandleFromChild> {
typedef mozilla::layers::FenceHandleFromChild paramType;
static void Write(Message*, const paramType&) {}
static bool Read(const Message*, void**, paramType*) { return false; }
};
#endif // MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
} // namespace IPC
#endif // IPC_FencerUtils_h