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 #ifndef DOXYGEN
  52
  53 #    include "gromacs/gpu_utils/gmxopencl.h"
  54 #    include "gromacs/utility/classhelpers.h"
  55
  56 struct DeviceInformation;
  57
  58 // OpenCL device context class
  59 class DeviceContext
  60 {
  61 public:
  62     /*! \brief Constructor that creates the \c cl_context
  63      *
  64      * \param[in] deviceInfo Platform-specific device information.
  65      *
  66      * \throws InternalError if context creation failed.
  67      */
  68     DeviceContext(const DeviceInformation& deviceInfo);
  69     //! Destructor
  70     ~DeviceContext();
  71
  72     //! Get the associated device information
  73     const DeviceInformation& deviceInfo() const { return deviceInfo_; }
  74     //! Getter
  75     cl_context context() const;
  76
  77 private:
  78     //! A reference to the device information used upon context creation
  79     const DeviceInformation& deviceInfo_;
  80     //! OpenCL context object
  81     cl_context context_ = nullptr;
  82
  83     GMX_DISALLOW_COPY_MOVE_AND_ASSIGN(DeviceContext);
  84 };
  85
  86 #endif // !defined DOXYGEN
  87 #endif // GMX_GPU_UTILS_DEVICE_CONTEXT_OCL_H