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71 lines
1.9 KiB
71 lines
1.9 KiB
#pragma once
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#define __CL_ENABLE_EXCEPTIONS
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#define CL_USE_DEPRECATED_OPENCL_2_0_APIS
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#if defined(__clang__)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-parameter"
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#include "cl.hpp"
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#pragma clang diagnostic pop
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#else
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#include "cl.hpp"
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#endif
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#include <time.h>
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#include <functional>
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#include <libethash/ethash.h>
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class ethash_cl_miner
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{
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public:
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struct search_hook
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{
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virtual ~search_hook(); // always a virtual destructor for a class with virtuals.
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// reports progress, return true to abort
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virtual bool found(uint64_t const* nonces, uint32_t count) = 0;
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virtual bool searched(uint64_t start_nonce, uint32_t count) = 0;
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};
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public:
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ethash_cl_miner();
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~ethash_cl_miner();
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static unsigned get_num_platforms();
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static unsigned get_num_devices(unsigned _platformId = 0);
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static std::string platform_info(unsigned _platformId = 0, unsigned _deviceId = 0);
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static bool haveSufficientGPUMemory();
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static bool haveSufficientGPUMemory(unsigned _platformId);
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static void listDevices();
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static void listDevices(unsigned _platformId);
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bool init(
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uint8_t const* _dag,
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uint64_t _dagSize,
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unsigned workgroup_size = 64,
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unsigned _platformId = 0,
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unsigned _deviceId = 0,
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unsigned _dagChunksNum = 1
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);
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void finish();
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void search(uint8_t const* header, uint64_t target, search_hook& hook);
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void hash_chunk(uint8_t* ret, uint8_t const* header, uint64_t nonce, unsigned count);
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void search_chunk(uint8_t const* header, uint64_t target, search_hook& hook);
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private:
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enum { c_max_search_results = 63, c_num_buffers = 2, c_hash_batch_size = 1024, c_search_batch_size = 1024*256 };
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cl::Context m_context;
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cl::CommandQueue m_queue;
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cl::Kernel m_hash_kernel;
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cl::Kernel m_search_kernel;
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unsigned m_dagChunksNum;
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std::vector<cl::Buffer> m_dagChunks;
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cl::Buffer m_header;
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cl::Buffer m_hash_buf[c_num_buffers];
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cl::Buffer m_search_buf[c_num_buffers];
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unsigned m_workgroup_size;
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bool m_opencl_1_1;
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};
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