src/gromacs/gpu_utils/device_context_ocl.h

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  35 #ifndef GMX_GPU_UTILS_DEVICE_CONTEXT_OCL_H
  36 #define GMX_GPU_UTILS_DEVICE_CONTEXT_OCL_H
  37
  38 /*! \libinternal \file
  39  *
  40  * \brief Declarations for DeviceContext class.
  41  *
  42  * Only needed for OpenCL builds. Other platforms will be given a stub class.
  43  *
  44  * \author Mark Abraham <mark.j.abraham@gmail.com>
  45  * \author Artem Zhmurov <zhmurov@gmail.com>
  46  *
  47  * \ingroup module_gpu_utils
  48  * \inlibraryapi
  49  */
  50
  51 #include "gromacs/gpu_utils/gmxopencl.h"
  52 #include "gromacs/utility/classhelpers.h"
  53
  54 struct DeviceInformation;
  55
  56 // OpenCL device context class
  57 class DeviceContext
  58 {
  59 public:
  60     //! Default constructor. Sets \c context_ to \c nullptr.
  61     DeviceContext();
  62     /*! \brief Second stage of construction. Creates the \c cl_context.
  63      *
  64      * \param[in] deviceInfo Platform-specific device information.
  65      *
  66      * \throws InternalError if context creation failed.
  67      */
  68     void init(const DeviceInformation& deviceInfo);
  69     /*! \brief Construct the object and call \c init(...) .
  70      *
  71      * \param[in] deviceInfo Platform-specific device information.
  72      *
  73      * \throws InternalError if context creation failed.
  74      */
  75     DeviceContext(const DeviceInformation& deviceInfo);
  76     //! Destructor
  77     ~DeviceContext();
  78
  79     //! Getter
  80     cl_context context() const;
  81
  82     GMX_DISALLOW_COPY_MOVE_AND_ASSIGN(DeviceContext);
  83
  84 private:
  85     //! OpenCL context object
  86     cl_context context_ = nullptr;
  87 };
  88
  89 #endif // GMX_GPU_UTILS_DEVICE_CONTEXT_OCL_H