// Copyright (c) 2022, ETH Zurich and UNC Chapel Hill.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
//     * Neither the name of ETH Zurich and UNC Chapel Hill nor the names of
//       its contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)

#ifndef COLMAP_SRC_UTIL_CUDACC_H_
#define COLMAP_SRC_UTIL_CUDACC_H_

#include <string>

#include <cuda_runtime.h>

#define CUDA_SAFE_CALL(error) CudaSafeCall(error, __FILE__, __LINE__)
#define CUDA_CHECK() CudaCheck(__FILE__, __LINE__)
#define CUDA_SYNC_AND_CHECK() CudaSyncAndCheck(__FILE__, __LINE__)

namespace colmap {

class CudaTimer {
 public:
  CudaTimer();
  ~CudaTimer();

  void Print(const std::string& message);

 private:
  cudaEvent_t start_;
  cudaEvent_t stop_;
  float elapsed_time_;
};

void CudaSafeCall(const cudaError_t error, const std::string& file,
                  const int line);

void CudaCheck(const char* file, const int line);
void CudaSyncAndCheck(const char* file, const int line);

}  // namespace colmap

#endif  // COLMAP_SRC_UTIL_CUDACC_H_