text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  /*!
   * \file Use external mps utils function
   */
  
  #ifndef TVM_RUNTIME_CONTRIB_MPS_MPS_UTILS_H_
  #define TVM_RUNTIME_CONTRIB_MPS_MPS_UTILS_H_
  
  #import <MetalPerformanceShaders/MetalPerformanceShaders.h>
  #include <dmlc/thread_local.h>
  #include <tvm/runtime/data_type.h>
  #include <tvm/runtime/device_api.h>
  #include <tvm/runtime/registry.h>
  #include <tvm/support/logging.h>
  
  #include <vector>
  
  #include "../../metal/metal_common.h"
  
  namespace tvm {
  namespace contrib {
  
  /*! breif Convert DLTensor type to MPS type */
  struct MPSType {
    static MPSDataType DLTypeToMPSType(const DLDataType& dtype);
  };  // struct MPSType
  
  struct MetalThreadEntry {
    MetalThreadEntry();
    ~MetalThreadEntry();
    MPSImage* AllocMPSImage(id<MTLDevice> dev, MPSImageDescriptor* desc);
    MPSTemporaryImage* AllocTempImage(id<MTLCommandBuffer> cb, MPSImageDescriptor* desc);
    runtime::metal::MetalWorkspace* metal_api{nullptr};
    static MetalThreadEntry* ThreadLocal();
    std::vector<MPSImage*> img_table;
  };  // MetalThreadEntry
  
  }  // namespace contrib
  }  // namespace tvm
  
  #endif  // TVM_RUNTIME_CONTRIB_MPS_MPS_UTILS_H_
  