interop_handle.cpp

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//==------------ interop_handle.cpp --- SYCL interop handle ----------------==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#include <detail/accessor_impl.hpp>
#include <detail/backend_impl.hpp>
#include <detail/context_impl.hpp>
#include <detail/device_impl.hpp>
#include <detail/queue_impl.hpp>
#include <sycl/exception.hpp>
#include <sycl/interop_handle.hpp>
 
#include <algorithm>
 
namespace sycl {
inline namespace _V1 {
 
backend interop_handle::get_backend() const noexcept {
  return detail::getImplBackend(MQueue);
}
 
ur_native_handle_t
interop_handle::getNativeMem(detail::Requirement *Req) const {
  auto Iter = std::find_if(std::begin(MMemObjs), std::end(MMemObjs),
                           [=](ReqToMem Elem) { return (Elem.first == Req); });
 
  if (Iter == std::end(MMemObjs)) {
    throw exception(make_error_code(errc::invalid),
                    "Invalid memory object used inside interop");
  }
 
  auto Plugin = MQueue->getPlugin();
  ur_native_handle_t Handle;
  Plugin->call(urMemGetNativeHandle, Iter->second, MDevice->getHandleRef(),
               &Handle);
  return Handle;
}
 
ur_native_handle_t interop_handle::getNativeDevice() const {
  return MDevice->getNative();
}
 
ur_native_handle_t interop_handle::getNativeContext() const {
  return MContext->getNative();
}
 
ur_native_handle_t
interop_handle::getNativeQueue(int32_t &NativeHandleDesc) const {
  return MQueue->getNative(NativeHandleDesc);
}
 
} // namespace _V1
} // namespace sycl