| // Copyright 2019 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 "gpu/vulkan/semaphore_handle.h" |
| |
| #if defined(OS_POSIX) |
| #include <unistd.h> |
| #include "base/posix/eintr_wrapper.h" |
| #endif |
| |
| #if defined(OS_FUCHSIA) |
| #include "base/fuchsia/fuchsia_logging.h" |
| #endif |
| |
| #if defined(OS_WIN) |
| #include <windows.h> |
| #endif |
| |
| namespace gpu { |
| |
| SemaphoreHandle::SemaphoreHandle() = default; |
| SemaphoreHandle::SemaphoreHandle(VkExternalSemaphoreHandleTypeFlagBits type, |
| PlatformHandle handle) |
| : type_(type), handle_(std::move(handle)) {} |
| SemaphoreHandle::SemaphoreHandle(SemaphoreHandle&&) = default; |
| |
| SemaphoreHandle::~SemaphoreHandle() = default; |
| |
| SemaphoreHandle& SemaphoreHandle::operator=(SemaphoreHandle&&) = default; |
| |
| SemaphoreHandle SemaphoreHandle::Duplicate() const { |
| if (!is_valid()) |
| return SemaphoreHandle(); |
| |
| #if defined(OS_POSIX) |
| return SemaphoreHandle(type_, |
| base::ScopedFD(HANDLE_EINTR(dup(handle_.get())))); |
| #elif defined(OS_WIN) |
| HANDLE handle_dup; |
| if (!::DuplicateHandle(::GetCurrentProcess(), handle_.Get(), |
| ::GetCurrentProcess(), &handle_dup, 0, FALSE, |
| DUPLICATE_SAME_ACCESS)) { |
| return SemaphoreHandle(); |
| } |
| return SemaphoreHandle(type_, base::win::ScopedHandle(handle_dup)); |
| #elif defined(OS_FUCHSIA) |
| zx::event event_dup; |
| zx_status_t status = handle_.duplicate(ZX_RIGHT_SAME_RIGHTS, &event_dup); |
| if (status != ZX_OK) { |
| ZX_DLOG(ERROR, status) << "zx_handle_duplicate"; |
| return SemaphoreHandle(); |
| } |
| return SemaphoreHandle(type_, std::move(event_dup)); |
| #else |
| #error Unsupported OS |
| #endif |
| } |
| |
| } // namespace gpu |