experimental/sample_web_static/device_sync.c

// Copyright 2022 The IREE Authors
//
// Licensed 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 "iree/hal/local/loaders/static_library_loader.h"
#include "iree/hal/local/sync_device.h"
#include "mnist_static.h"

iree_status_t create_device_with_static_loader(iree_allocator_t host_allocator,
                                               iree_hal_device_t** out_device) {
  iree_hal_sync_device_params_t params;
  iree_hal_sync_device_params_initialize(&params);

  // Load the statically embedded library.
  const iree_hal_executable_library_header_t** static_library =
      mnist_linked_llvm_library_query(
          IREE_HAL_EXECUTABLE_LIBRARY_LATEST_VERSION,
          /*reserved=*/NULL);
  const iree_hal_executable_library_header_t** libraries[1] = {static_library};

  iree_hal_executable_loader_t* library_loader = NULL;
  iree_status_t status = iree_hal_static_library_loader_create(
      IREE_ARRAYSIZE(libraries), libraries,
      iree_hal_executable_import_provider_null(), host_allocator,
      &library_loader);

  iree_string_view_t identifier = iree_make_cstring_view("sync");
  iree_hal_allocator_t* device_allocator = NULL;
  if (iree_status_is_ok(status)) {
    status = iree_hal_allocator_create_heap(identifier, host_allocator,
                                            host_allocator, &device_allocator);
  }

  if (iree_status_is_ok(status)) {
    status = iree_hal_sync_device_create(
        identifier, &params, /*loader_count=*/1, &library_loader,
        device_allocator, host_allocator, out_device);
  }

  iree_hal_allocator_release(device_allocator);
  iree_hal_executable_loader_release(library_loader);
  return status;
}