#pragma once

#include <CL/cl.h>
#include <stdint.h>

#define ERR_SUCCESS (0)
#define ERR_OCL_API (2)
#define ERR_STUPID_PARAMS (1)

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

typedef struct _GpuContext
{
	/*Input vars*/
	size_t deviceIdx;
	size_t rawIntensity;
	size_t workSize;

	/*Output vars*/
	cl_device_id DeviceID;
	cl_command_queue CommandQueues;
	cl_mem InputBuffer;
	cl_mem OutputBuffer;
	cl_mem ExtraBuffers[6];
	cl_program Program;
	cl_kernel Kernels[7];

	size_t Nonce;
} GpuContext;

size_t InitOpenCL(GpuContext* ctx, size_t num_gpus, size_t platform_idx);
size_t XMRSetJob(GpuContext* ctx, uint8_t* input, size_t input_len, uint32_t target);
size_t XMRRunJob(GpuContext* ctx, cl_uint* HashOutput);

#ifdef __cplusplus
}
#endif // __cplusplus