parallel_backend.hpp

// This file is part of OpenCV project.




// It is subject to the license terms in the LICENSE file found in the top-level directory




// of this distribution and at http://opencv.org/license.html.








#ifndef OPENCV_CORE_PARALLEL_BACKEND_HPP




#define OPENCV_CORE_PARALLEL_BACKEND_HPP








#include "opencv2/core/cvdef.h"




#include <memory>








namespace

cv
{
namespace
parallel {



#ifndef CV_API_CALL




#define CV_API_CALL




#endif








class
CV_EXPORTS
ParallelForAPI



{



public:



virtual
~ParallelForAPI();







typedef
void (CV_API_CALL *FN_parallel_for_body_cb_t)(int
start,
int
end,
void* data);







virtual
void
parallel_for(int
tasks, FN_parallel_for_body_cb_t body_callback,
void* callback_data) = 0;







virtual
int
getThreadNum()
const
= 0;







virtual
int
getNumThreads()
const
= 0;







virtual
int
setNumThreads(int
nThreads) = 0;







virtual
const
char* getName()
const
= 0;


};






CV_EXPORTS
void
setParallelForBackend(const
std::shared_ptr<ParallelForAPI>& api,
bool
propagateNumThreads =
true);






CV_EXPORTS_W
bool
setParallelForBackend(const
std::string& backendName,
bool
propagateNumThreads =
true);






}}
// namespace




#endif

// OPENCV_CORE_PARALLEL_BACKEND_HPP