blob: c79c23b6388a7e655e69c480c00971a8e8e3f5d0 [file] [log] [blame]
// 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.
#include "build/build_config.h"
#include "ui/gfx/gfx_export.h"
#if defined(OS_POSIX) || defined(OS_FUCHSIA)
#include "base/file_descriptor_posix.h"
namespace gfx {
enum class GpuFenceHandleType {
// A null handle for transport. It cannot be used for making a waitable fence
// object.
// A file descriptor for a native fence object as used by the
// EGL_ANDROID_native_fence_sync extension.
kLast = kAndroidNativeFenceSync
struct GFX_EXPORT GpuFenceHandle {
GpuFenceHandle(const GpuFenceHandle& other);
GpuFenceHandle& operator=(const GpuFenceHandle& other);
bool is_null() const { return type == GpuFenceHandleType::kEmpty; }
GpuFenceHandleType type;
#if defined(OS_POSIX) || defined(OS_FUCHSIA)
base::FileDescriptor native_fd;
// Returns an instance of |handle| which can be sent over IPC. This duplicates
// the file-handles as appropriate, so that the IPC code take ownership of them,
// without invalidating |handle| itself.
GFX_EXPORT GpuFenceHandle CloneHandleForIPC(const GpuFenceHandle& handle);
} // namespace gfx