Added GpuWorker class.

src/backend/common/GpuWorker.h

@@ -0,0 +1,58 @@
+/* XMRig
+ * Copyright (c) 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright (c) 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_GPUWORKER_H
+#define XMRIG_GPUWORKER_H
+
+
+#include <atomic>
+
+
+#include "backend/common/HashrateInterpolator.h"
+#include "backend/common/Worker.h"
+
+
+namespace xmrig {
+
+
+class GpuWorker : public Worker
+{
+public:
+    GpuWorker(size_t id, int64_t affinity, int priority, uint32_t m_deviceIndex);
+
+protected:
+    inline const VirtualMemory *memory() const override     { return nullptr; }
+    inline uint32_t deviceIndex() const                     { return m_deviceIndex; }
+
+    void hashrateData(uint64_t &hashCount, uint64_t &timeStamp, uint64_t &rawHashes) const override;
+
+protected:
+    void storeStats();
+
+    const uint32_t m_deviceIndex;
+    HashrateInterpolator m_hashrateData;
+    std::atomic<uint32_t> m_index   = {};
+    uint64_t m_hashCount[2]         = {};
+    uint64_t m_timestamp[2]         = {};
+};
+
+
+} // namespace xmrig
+
+
+#endif /* XMRIG_GPUWORKER_H */