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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GFX_GPU_FENCE_HANDLE_H_
#define UI_GFX_GPU_FENCE_HANDLE_H_
#include "base/macros.h"
#include "build/build_config.h"
#include "ui/gfx/gfx_export.h"
#if defined(OS_POSIX)
#include "base/files/scoped_file.h"
#endif
#if defined(OS_FUCHSIA)
#include <lib/zx/event.h>
#endif
#if defined(OS_WIN)
#include "base/win/scoped_handle.h"
#endif
namespace gfx {
struct GFX_EXPORT GpuFenceHandle {
GpuFenceHandle(const GpuFenceHandle&) = delete;
GpuFenceHandle& operator=(const GpuFenceHandle&) = delete;
GpuFenceHandle();
GpuFenceHandle(GpuFenceHandle&& other);
GpuFenceHandle& operator=(GpuFenceHandle&& other);
~GpuFenceHandle();
bool is_null() const;
// Returns an instance of |handle| which can be sent over IPC. This duplicates
// the handle so that IPC code can take ownership of it without invalidating
// |handle| itself.
GpuFenceHandle Clone() const;
// TODO(crbug.com/1142962): Make this a class instead of struct.
#if defined(OS_POSIX)
base::ScopedFD owned_fd;
#elif defined(OS_FUCHSIA)
zx::event owned_event;
#elif defined(OS_WIN)
base::win::ScopedHandle owned_handle;
#endif
};
} // namespace gfx
#endif // UI_GFX_GPU_FENCE_HANDLE_H_
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