text: // Copyright 2021 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/cuda/descriptor_set_layout.h"
  
  #include <stddef.h>
  
  #include "iree/base/api.h"
  #include "iree/base/tracing.h"
  
  typedef struct iree_hal_cuda_descriptor_set_layout_t {
    iree_hal_resource_t resource;
    iree_hal_cuda_context_wrapper_t* context;
    iree_host_size_t binding_count;
  } iree_hal_cuda_descriptor_set_layout_t;
  
  static const iree_hal_descriptor_set_layout_vtable_t
      iree_hal_cuda_descriptor_set_layout_vtable;
  
  static iree_hal_cuda_descriptor_set_layout_t*
  iree_hal_cuda_descriptor_set_layout_cast(
      iree_hal_descriptor_set_layout_t* base_value) {
    IREE_HAL_ASSERT_TYPE(base_value, &iree_hal_cuda_descriptor_set_layout_vtable);
    return (iree_hal_cuda_descriptor_set_layout_t*)base_value;
  }
  
  iree_status_t iree_hal_cuda_descriptor_set_layout_create(
      iree_hal_cuda_context_wrapper_t* context,
      iree_hal_descriptor_set_layout_usage_type_t usage_type,
      iree_host_size_t binding_count,
      const iree_hal_descriptor_set_layout_binding_t* bindings,
      iree_hal_descriptor_set_layout_t** out_descriptor_set_layout) {
    IREE_ASSERT_ARGUMENT(context);
    IREE_ASSERT_ARGUMENT(!binding_count || bindings);
    IREE_ASSERT_ARGUMENT(out_descriptor_set_layout);
    *out_descriptor_set_layout = NULL;
    IREE_TRACE_ZONE_BEGIN(z0);
  
    iree_hal_cuda_descriptor_set_layout_t* descriptor_set_layout = NULL;
    iree_status_t status = iree_allocator_malloc(context->host_allocator,
                                                 sizeof(*descriptor_set_layout),
                                                 (void**)&descriptor_set_layout);
    if (iree_status_is_ok(status)) {
      iree_hal_resource_initialize(&iree_hal_cuda_descriptor_set_layout_vtable,
                                   &descriptor_set_layout->resource);
      descriptor_set_layout->context = context;
      descriptor_set_layout->binding_count = binding_count;
      *out_descriptor_set_layout =
          (iree_hal_descriptor_set_layout_t*)descriptor_set_layout;
    }
    IREE_TRACE_ZONE_END(z0);
    return status;
  }
  
  iree_host_size_t iree_hal_cuda_descriptor_set_layout_binding_count(
      iree_hal_descriptor_set_layout_t* base_descriptor_set_layout) {
    iree_hal_cuda_descriptor_set_layout_t* descriptor_set_layout =
        iree_hal_cuda_descriptor_set_layout_cast(base_descriptor_set_layout);
    return descriptor_set_layout->binding_count;
  }
  
  static void iree_hal_cuda_descriptor_set_layout_destroy(
      iree_hal_descriptor_set_layout_t* base_descriptor_set_layout) {
    iree_hal_cuda_descriptor_set_layout_t* descriptor_set_layout =
        iree_hal_cuda_descriptor_set_layout_cast(base_descriptor_set_layout);
    iree_allocator_t host_allocator =
        descriptor_set_layout->context->host_allocator;
    IREE_TRACE_ZONE_BEGIN(z0);
  
    iree_allocator_free(host_allocator, descriptor_set_layout);
  
    IREE_TRACE_ZONE_END(z0);
  }
  
  static const iree_hal_descriptor_set_layout_vtable_t
      iree_hal_cuda_descriptor_set_layout_vtable = {
          .destroy = iree_hal_cuda_descriptor_set_layout_destroy,
  };
  