// Copyright 2018 Xiaomi, Inc.  All rights reserved.
//
// Licensed 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.

#ifndef MACE_CORE_RUNTIME_OPENCL_OPENCL_UTIL_H_
#define MACE_CORE_RUNTIME_OPENCL_OPENCL_UTIL_H_

#include <memory>
#include <string>
#include <vector>

#include "mace/core/types.h"
#include "mace/public/mace.h"

namespace mace {
enum OpenCLBufferType {
  CONV2D_FILTER = 0,
  IN_OUT_CHANNEL = 1,
  ARGUMENT = 2,
  IN_OUT_HEIGHT = 3,
  IN_OUT_WIDTH = 4,
  WINOGRAD_FILTER = 5,
  DW_CONV2D_FILTER = 6,
  WEIGHT_HEIGHT = 7,
  WEIGHT_WIDTH = 8,
};


class OpenCLUtil {
 public:
  static void CalImage2DShape(const std::vector<index_t> &shape, /* NHWC */
                              const OpenCLBufferType type,
                              std::vector<size_t> *image_shape,
                              const int wino_blk_size = 2);

  static std::shared_ptr<OperatorDef> CreateTransformOpDef(
      const std::string &input_name,
      const std::vector<mace::index_t> &input_shape,
      const std::string &output_name,
      const mace::DataType dt,
      const MemoryType mem_type,
      const DataFormat data_format);
};

}  // namespace mace
#endif  // MACE_CORE_RUNTIME_OPENCL_OPENCL_UTIL_H_
