#ifndef BFG_OCL_H
#define BFG_OCL_H

#include "config.h"

#include <stdbool.h>
#include <stdio.h>

#ifdef HAVE_OPENCL
#include "CL/cl.h"

#include "miner.h"

typedef struct {
	cl_device_id devid;
	char *platform_ver_str;
	bool is_mesa;
	
	cl_context context;
	bool kernel_loaded;
	cl_kernel kernel;
	cl_command_queue commandQueue;
	cl_program program;
	cl_mem outputBuffer;
#ifdef USE_SCRYPT
	cl_mem CLbuffer0;
	cl_mem padbuffer8;
	size_t padbufsize;
	void * cldata;
#endif
	bool hasBitAlign;
	bool hasOpenCL11plus;
	bool goffset;
	cl_uint preferred_vwidth;
	cl_uint vwidth;
	size_t max_work_size;
	size_t wsize;
	cl_uint max_compute_units;
	enum cl_kernels chosen_kernel;
} _clState;

extern FILE *opencl_open_kernel(const char *filename);
extern char *file_contents(const char *filename, int *length);
extern int clDevicesNum(void);
extern _clState *opencl_create_clState(unsigned int gpu, char *name, size_t nameSize);
extern bool opencl_load_kernel(struct cgpu_info *, _clState *clState, const char *name);
#endif /* HAVE_OPENCL */
#endif /* __OCL_H__ */