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35 /*! \libinternal \file
36 * \brief Declare utility routines for OpenCL
38 * \author Anca Hamuraru <anca@streamcomputing.eu>
42 #ifndef GMX_GMXLIB_OCL_TOOLS_OCLUTILS_H
43 #define GMX_GMXLIB_OCL_TOOLS_OCLUTILS_H
50 # include <OpenCL/opencl.h>
52 # include <CL/opencl.h>
55 /*! \brief OpenCL vendor IDs */
57 OCL_VENDOR_NVIDIA = 0,
63 /*! \internal \brief OpenCL GPU device identificator
64 * An OpenCL device is identified by its ID.
65 * The platform ID is also included for caching reasons.
69 cl_platform_id ocl_platform_id; /**< Platform ID */
70 cl_device_id ocl_device_id; /**< Device ID */
73 /*! \internal \brief OpenCL GPU information
75 * \todo Move context and program outside this data structure.
76 * They are specific to a certain usage of the device (e.g. with/without OpenGL
77 * interop) and do not provide general device information as the data structure
80 * TODO Document fields
82 struct gmx_device_info_t
84 //! @cond Doxygen_Suppress
85 ocl_gpu_id_t ocl_gpu_id;
86 char device_name[256];
87 char device_version[256];
88 char device_vendor[256];
92 ocl_vendor_id_t vendor_e;
96 //! @endcond Doxygen_Suppress
101 /* Debugger callable function that prints the name of a kernel function pointer */
102 cl_int dbg_ocl_kernel_name(const cl_kernel kernel);
103 cl_int dbg_ocl_kernel_name_address(void* kernel);
107 /*! \brief Launches asynchronous host to device memory copy. */
108 int ocl_copy_H2D_async(cl_mem d_dest, void * h_src,
109 size_t offset, size_t bytes,
110 cl_command_queue command_queue,
111 cl_event *copy_event);
113 /*! \brief Launches asynchronous device to host memory copy. */
114 int ocl_copy_D2H_async(void * h_dest, cl_mem d_src,
115 size_t offset, size_t bytes,
116 cl_command_queue command_queue,
117 cl_event *copy_event);
119 /*! \brief Launches synchronous host to device memory copy. */
120 int ocl_copy_H2D(cl_mem d_dest, void * h_src,
121 size_t offset, size_t bytes,
122 cl_command_queue command_queue);
124 /*! \brief Allocate host memory in malloc style */
125 void ocl_pmalloc(void **h_ptr, size_t nbytes);
127 /*! \brief Free host memory in malloc style */
128 void ocl_pfree(void *h_ptr);