cl.h

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#pragma once
 
 
#define CL_TARGET_OPENCL_VERSION 220
 
#include <CL/cl.h>
#include <pthread.h>
 
#define NUT_CL_FLAG_DIE 0x1
#define NUT_CL_FLAG_VERBOSE 0x2
#define NUT_CL_FLAG_MT_SAFE 0x4
 
typedef struct{
    cl_kernel kernel;
    size_t preferred_work_group_size_multiple;
    size_t work_group_size;
    size_t work_item_sizes[];
} nut_ClKernel;
 
typedef struct{
    int flags;
    cl_int err;
    cl_uint num_platforms;
    cl_platform_id *platform_ids;
    cl_uint num_devices;
    cl_device_id *device_ids;
    cl_uint max_compute_units;
    cl_uint max_work_item_dimensions;
    size_t max_work_group_size;
    size_t *max_work_item_sizes;
    cl_context context;
    cl_command_queue queue;
    size_t programs_len, programs_cap;
    cl_program *programs;
    size_t kernels_len, kernels_cap;
    nut_ClKernel *kernels;
    pthread_mutex_t log_lock;
} nut_ClMgr;
 
bool nut_cl_check_err(nut_ClMgr *mgr, const char *title, const char *subtitle);
 
bool nut_cl_setup(nut_ClMgr *mgr, int flags);
 
void nut_cl_close(nut_ClMgr *mgr);
 
const char *nut_cl_read_source(nut_ClMgr *mgr, const char *filename);
 
bool nut_cl_make_program_from_source(nut_ClMgr *mgr, const char *source);
 
bool nut_cl_create_kernel(nut_ClMgr *mgr, size_t program_idx, const char *name);
 
bool nut_cl_create_all_kernels(nut_ClMgr *mgr, size_t program_idx);