util.h


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struct clu_context {
   cl_device_id device_id;
   cl_context cl_ctx;
   cl_command_queue command_queue;
   cl_kernel kernel;
};

const char * cluErrorString(cl_int error);
unsigned cluInitGpuDevice(cl_device_id * device_id);
unsigned cluCreateContext(cl_context * context, cl_device_id device_id);
unsigned cluCreateCommandQueue(cl_command_queue * command_queue,
                               cl_context context, cl_device_id device_id);
unsigned cluCreateKernel(cl_context context, cl_device_id device_id,
                         cl_kernel * kernel, const char * kernel_name);
unsigned cluSimpleInit(struct clu_context * context, const char * kernel_name);
unsigned cluKernelSetArg(cl_kernel kernel, cl_uint index, size_t size,
                         const void * value);