Added OclPlatform class.

src/backend/opencl/wrappers/OclPlatform.cpp

@@ -0,0 +1,59 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 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/>.
+ */
+
+#include "backend/opencl/wrappers/OclLib.h"
+#include "backend/opencl/wrappers/OclPlatform.h"
+
+
+std::vector<xmrig::OclPlatform> xmrig::OclPlatform::get()
+{
+    const std::vector<cl_platform_id> platforms = OclLib::getPlatformIDs();
+    std::vector<OclPlatform> out;
+    if (platforms.empty()) {
+        return out;
+    }
+
+    out.reserve(platforms.size());
+
+    for (size_t i = 0; i < platforms.size(); i++) {
+        out.emplace_back(i, platforms[i]);
+    }
+
+    return out;
+}
+
+
+xmrig::String xmrig::OclPlatform::vendor() const
+{
+    constexpr size_t size = 128;
+    char *buf = new char[size]();
+
+    if (OclLib::getPlatformInfo(id(), CL_PLATFORM_VENDOR, size, buf, nullptr) != CL_SUCCESS) {
+        delete [] buf;
+
+        return String();
+    }
+
+    return String(buf);
+}